diff options
Diffstat (limited to 'arch')
480 files changed, 18943 insertions, 10285 deletions
diff --git a/arch/alpha/kernel/ptrace.c b/arch/alpha/kernel/ptrace.c index 0cd0605..83a7818 100644 --- a/arch/alpha/kernel/ptrace.c +++ b/arch/alpha/kernel/ptrace.c @@ -315,9 +315,7 @@ do_sys_ptrace(long request, long pid, long addr, long data, /* When I and D space are separate, this will have to be fixed. */ case PTRACE_POKETEXT: /* write the word at location addr. */ case PTRACE_POKEDATA: - tmp = data; - copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 1); - ret = (copied == sizeof(tmp)) ? 0 : -EIO; + ret = generic_ptrace_pokedata(child, addr, data); break; case PTRACE_POKEUSR: /* write the specified register */ diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c index 80cfb75..b287314 100644 --- a/arch/alpha/kernel/smp.c +++ b/arch/alpha/kernel/smp.c @@ -65,7 +65,7 @@ enum ipi_message_type { }; /* Set to a secondary's cpuid when it comes online. */ -static int smp_secondary_alive __initdata = 0; +static int smp_secondary_alive __devinitdata = 0; /* Which cpus ids came online. */ cpumask_t cpu_online_map; @@ -173,7 +173,7 @@ smp_callin(void) } /* Wait until hwrpb->txrdy is clear for cpu. Return -1 on timeout. */ -static int __init +static int __devinit wait_for_txrdy (unsigned long cpumask) { unsigned long timeout; @@ -358,7 +358,7 @@ secondary_cpu_start(int cpuid, struct task_struct *idle) /* * Bring one cpu online. */ -static int __init +static int __devinit smp_boot_one_cpu(int cpuid) { struct task_struct *idle; diff --git a/arch/alpha/kernel/srmcons.c b/arch/alpha/kernel/srmcons.c index 930cedc..783f4e5 100644 --- a/arch/alpha/kernel/srmcons.c +++ b/arch/alpha/kernel/srmcons.c @@ -289,7 +289,7 @@ srm_console_device(struct console *co, int *index) return srmcons_driver; } -static int __init +static int srm_console_setup(struct console *co, char *options) { return 0; diff --git a/arch/alpha/kernel/sys_marvel.c b/arch/alpha/kernel/sys_marvel.c index 0bcb968..922143e 100644 --- a/arch/alpha/kernel/sys_marvel.c +++ b/arch/alpha/kernel/sys_marvel.c @@ -420,7 +420,7 @@ marvel_init_pci(void) io7_clear_errors(io7); } -static void +static void __init marvel_init_rtc(void) { init_rtc_irq(); diff --git a/arch/alpha/kernel/time.c b/arch/alpha/kernel/time.c index 4748e14..1dd50d0 100644 --- a/arch/alpha/kernel/time.c +++ b/arch/alpha/kernel/time.c @@ -144,7 +144,7 @@ irqreturn_t timer_interrupt(int irq, void *dev) return IRQ_HANDLED; } -void +void __init common_init_rtc(void) { unsigned char x; diff --git a/arch/alpha/kernel/traps.c b/arch/alpha/kernel/traps.c index d6e665d..ec0f05e 100644 --- a/arch/alpha/kernel/traps.c +++ b/arch/alpha/kernel/traps.c @@ -184,6 +184,7 @@ die_if_kernel(char * str, struct pt_regs *regs, long err, unsigned long *r9_15) #endif printk("%s(%d): %s %ld\n", current->comm, current->pid, str, err); dik_show_regs(regs, r9_15); + add_taint(TAINT_DIE); dik_show_trace((unsigned long *)(regs+1)); dik_show_code((unsigned int *)regs->pc); diff --git a/arch/alpha/lib/checksum.c b/arch/alpha/lib/checksum.c index ab3761c..8698e07 100644 --- a/arch/alpha/lib/checksum.c +++ b/arch/alpha/lib/checksum.c @@ -69,6 +69,7 @@ __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr, result = (result & 0xffffffff) + (result >> 32); return (__force __wsum)result; } +EXPORT_SYMBOL(csum_tcpudp_nofold); /* * Do a 64-bit checksum on an arbitrary memory area.. diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c index 6f2f46c..78c9f1a 100644 --- a/arch/arm/kernel/ptrace.c +++ b/arch/arm/kernel/ptrace.c @@ -657,7 +657,6 @@ static int ptrace_setcrunchregs(struct task_struct *tsk, void __user *ufp) long arch_ptrace(struct task_struct *child, long request, long addr, long data) { - unsigned long tmp; int ret; switch (request) { @@ -666,12 +665,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) */ case PTRACE_PEEKTEXT: case PTRACE_PEEKDATA: - ret = access_process_vm(child, addr, &tmp, - sizeof(unsigned long), 0); - if (ret == sizeof(unsigned long)) - ret = put_user(tmp, (unsigned long __user *) data); - else - ret = -EIO; + ret = generic_ptrace_peekdata(child, addr, data); break; case PTRACE_PEEKUSR: @@ -683,12 +677,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) */ case PTRACE_POKETEXT: case PTRACE_POKEDATA: - ret = access_process_vm(child, addr, &data, - sizeof(unsigned long), 1); - if (ret == sizeof(unsigned long)) - ret = 0; - else - ret = -EIO; + ret = generic_ptrace_pokedata(child, addr, data); break; case PTRACE_POKEUSR: diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 237f499..f2114bc 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -249,6 +249,7 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err) bust_spinlocks(1); __die(str, err, thread, regs); bust_spinlocks(0); + add_taint(TAINT_DIE); spin_unlock_irq(&die_lock); if (in_interrupt()) diff --git a/arch/arm/mach-at91/board-csb337.c b/arch/arm/mach-at91/board-csb337.c index e18a41e..dde0899 100644 --- a/arch/arm/mach-at91/board-csb337.c +++ b/arch/arm/mach-at91/board-csb337.c @@ -23,6 +23,7 @@ #include <linux/mm.h> #include <linux/module.h> #include <linux/platform_device.h> +#include <linux/i2c.h> #include <linux/spi/spi.h> #include <linux/mtd/physmap.h> @@ -83,6 +84,13 @@ static struct at91_udc_data __initdata csb337_udc_data = { .pullup_pin = AT91_PIN_PA24, }; +static struct i2c_board_info __initdata csb337_i2c_devices[] = { + { I2C_BOARD_INFO("rtc-ds1307", 0x68), + .type = "ds1307", + }, +}; + + static struct at91_cf_data __initdata csb337_cf_data = { /* * connector P4 on the CSB 337 mates to @@ -161,6 +169,8 @@ static void __init csb337_board_init(void) at91_add_device_udc(&csb337_udc_data); /* I2C */ at91_add_device_i2c(); + i2c_register_board_info(0, csb337_i2c_devices, + ARRAY_SIZE(csb337_i2c_devices)); /* Compact Flash */ at91_set_gpio_input(AT91_PIN_PB22, 1); /* IOIS16 */ at91_add_device_cf(&csb337_cf_data); diff --git a/arch/arm/mach-iop32x/n2100.c b/arch/arm/mach-iop32x/n2100.c index 390a97d..1873bd8 100644 --- a/arch/arm/mach-iop32x/n2100.c +++ b/arch/arm/mach-iop32x/n2100.c @@ -25,6 +25,7 @@ #include <linux/serial_core.h> #include <linux/serial_8250.h> #include <linux/mtd/physmap.h> +#include <linux/i2c.h> #include <linux/platform_device.h> #include <linux/reboot.h> #include <asm/hardware.h> @@ -199,6 +200,12 @@ static struct platform_device n2100_serial_device = { .resource = &n2100_uart_resource, }; +static struct i2c_board_info __initdata n2100_i2c_devices[] = { + { + I2C_BOARD_INFO("rtc-rs5c372", 0x32), + .type = "rs5c372b", + }, +}; /* * Pull PCA9532 GPIO #8 low to power off the machine. @@ -248,6 +255,9 @@ static void __init n2100_init_machine(void) platform_device_register(&iop3xx_dma_0_channel); platform_device_register(&iop3xx_dma_1_channel); + i2c_register_board_info(0, n2100_i2c_devices, + ARRAY_SIZE(n2100_i2c_devices)); + pm_power_off = n2100_power_off; init_timer(&power_button_poll_timer); diff --git a/arch/arm26/Kconfig b/arch/arm26/Kconfig index 20688bc..9044f33 100644 --- a/arch/arm26/Kconfig +++ b/arch/arm26/Kconfig @@ -17,6 +17,9 @@ config MMU bool default y +config NO_DMA + def_bool y + config ARCH_ACORN bool default y diff --git a/arch/arm26/defconfig b/arch/arm26/defconfig index c4a8970..2b7d44b 100644 --- a/arch/arm26/defconfig +++ b/arch/arm26/defconfig @@ -248,7 +248,6 @@ CONFIG_I2C_CHARDEV=y # CONFIG_JBD_DEBUG is not set # CONFIG_FAT_FS is not set # CONFIG_MSDOS_FS is not set -# CONFIG_UMSDOS_FS is not set # CONFIG_VFAT_FS is not set # CONFIG_EFS_FS is not set # CONFIG_JFFS_FS is not set diff --git a/arch/arm26/kernel/ptrace.c b/arch/arm26/kernel/ptrace.c index 4169279..0fefb869 100644 --- a/arch/arm26/kernel/ptrace.c +++ b/arch/arm26/kernel/ptrace.c @@ -531,7 +531,6 @@ static int ptrace_setfpregs(struct task_struct *tsk, void *ufp) long arch_ptrace(struct task_struct *child, long request, long addr, long data) { - unsigned long tmp; int ret; switch (request) { @@ -540,12 +539,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) */ case PTRACE_PEEKTEXT: case PTRACE_PEEKDATA: - ret = access_process_vm(child, addr, &tmp, - sizeof(unsigned long), 0); - if (ret == sizeof(unsigned long)) - ret = put_user(tmp, (unsigned long *) data); - else - ret = -EIO; + ret = generic_ptrace_peekdata(child, addr, data); break; case PTRACE_PEEKUSR: @@ -557,12 +551,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) */ case PTRACE_POKETEXT: case PTRACE_POKEDATA: - ret = access_process_vm(child, addr, &data, - sizeof(unsigned long), 1); - if (ret == sizeof(unsigned long)) - ret = 0; - else - ret = -EIO; + ret = generic_ptrace_pokedata(child, addr, data); break; case PTRACE_POKEUSR: diff --git a/arch/arm26/kernel/traps.c b/arch/arm26/kernel/traps.c index d594fb5..2911e2e 100644 --- a/arch/arm26/kernel/traps.c +++ b/arch/arm26/kernel/traps.c @@ -185,6 +185,7 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err) printk("Internal error: %s: %x\n", str, err); printk("CPU: %d\n", smp_processor_id()); show_regs(regs); + add_taint(TAINT_DIE); printk("Process %s (pid: %d, stack limit = 0x%p)\n", current->comm, current->pid, end_of_stack(tsk)); diff --git a/arch/arm26/mm/init.c b/arch/arm26/mm/init.c index 562fac1..36e7ee3 100644 --- a/arch/arm26/mm/init.c +++ b/arch/arm26/mm/init.c @@ -33,9 +33,6 @@ #include <asm/map.h> - -#define TABLE_SIZE PTRS_PER_PTE * sizeof(pte_t)) - struct mmu_gather mmu_gathers[NR_CPUS]; extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; diff --git a/arch/avr32/kernel/ptrace.c b/arch/avr32/kernel/ptrace.c index 3c36c2d..39060cb 100644 --- a/arch/avr32/kernel/ptrace.c +++ b/arch/avr32/kernel/ptrace.c @@ -153,7 +153,6 @@ static int ptrace_setregs(struct task_struct *tsk, const void __user *uregs) long arch_ptrace(struct task_struct *child, long request, long addr, long data) { - unsigned long tmp; int ret; pr_debug("arch_ptrace(%ld, %d, %#lx, %#lx)\n", @@ -166,11 +165,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) /* Read the word at location addr in the child process */ case PTRACE_PEEKTEXT: case PTRACE_PEEKDATA: - ret = access_process_vm(child, addr, &tmp, sizeof(tmp), 0); - if (ret == sizeof(tmp)) - ret = put_user(tmp, (unsigned long __user *)data); - else - ret = -EIO; + ret = generic_ptrace_peekdata(child, addr, data); break; case PTRACE_PEEKUSR: @@ -181,11 +176,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) /* Write the word in data at location addr */ case PTRACE_POKETEXT: case PTRACE_POKEDATA: - ret = access_process_vm(child, addr, &data, sizeof(data), 1); - if (ret == sizeof(data)) - ret = 0; - else - ret = -EIO; + ret = generic_ptrace_pokedata(child, addr, data); break; case PTRACE_POKEUSR: diff --git a/arch/avr32/kernel/traps.c b/arch/avr32/kernel/traps.c index 86d1075..9a73ce7 100644 --- a/arch/avr32/kernel/traps.c +++ b/arch/avr32/kernel/traps.c @@ -56,6 +56,7 @@ void NORET_TYPE die(const char *str, struct pt_regs *regs, long err) show_regs_log_lvl(regs, KERN_EMERG); show_stack_log_lvl(current, regs->sp, regs, KERN_EMERG); bust_spinlocks(0); + add_taint(TAINT_DIE); spin_unlock_irq(&die_lock); if (in_interrupt()) @@ -184,7 +185,7 @@ asmlinkage void do_illegal_opcode(unsigned long ecr, struct pt_regs *regs) if (!user_mode(regs) && (ecr == ECR_ILLEGAL_OPCODE)) { enum bug_trap_type type; - type = report_bug(regs->pc); + type = report_bug(regs->pc, regs); switch (type) { case BUG_TRAP_TYPE_NONE: break; diff --git a/arch/cris/arch-v10/defconfig b/arch/cris/arch-v10/defconfig index 2a3411ea..710c20b 100644 --- a/arch/cris/arch-v10/defconfig +++ b/arch/cris/arch-v10/defconfig @@ -429,7 +429,6 @@ CONFIG_NET_ETHERNET=y # CONFIG_BFS_FS is not set # CONFIG_FAT_FS is not set # CONFIG_MSDOS_FS is not set -# CONFIG_UMSDOS_FS is not set # CONFIG_VFAT_FS is not set # CONFIG_EFS_FS is not set # CONFIG_JFFS_FS is not set diff --git a/arch/cris/arch-v10/kernel/ptrace.c b/arch/cris/arch-v10/kernel/ptrace.c index fd2129a..f4f9db69 100644 --- a/arch/cris/arch-v10/kernel/ptrace.c +++ b/arch/cris/arch-v10/kernel/ptrace.c @@ -83,19 +83,9 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) switch (request) { /* Read word at location address. */ case PTRACE_PEEKTEXT: - case PTRACE_PEEKDATA: { - unsigned long tmp; - int copied; - - copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0); - ret = -EIO; - - if (copied != sizeof(tmp)) - break; - - ret = put_user(tmp,datap); + case PTRACE_PEEKDATA: + ret = generic_ptrace_peekdata(child, addr, data); break; - } /* Read the word at location address in the USER area. */ case PTRACE_PEEKUSR: { @@ -113,12 +103,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) /* Write the word at location address. */ case PTRACE_POKETEXT: case PTRACE_POKEDATA: - ret = 0; - - if (access_process_vm(child, addr, &data, sizeof(data), 1) == sizeof(data)) - break; - - ret = -EIO; + ret = generic_ptrace_pokedata(child, addr, data); break; /* Write the word at location address in the USER area. */ diff --git a/arch/cris/arch-v32/drivers/cryptocop.c b/arch/cris/arch-v32/drivers/cryptocop.c index 1a071f1..e8914d4 100644 --- a/arch/cris/arch-v32/drivers/cryptocop.c +++ b/arch/cris/arch-v32/drivers/cryptocop.c @@ -267,10 +267,10 @@ static void print_user_dma_lists(struct cryptocop_dma_list_operation *dma_op); const struct file_operations cryptocop_fops = { - owner: THIS_MODULE, - open: cryptocop_open, - release: cryptocop_release, - ioctl: cryptocop_ioctl + .owner = THIS_MODULE, + .open = cryptocop_open, + .release = cryptocop_release, + .ioctl = cryptocop_ioctl }; diff --git a/arch/cris/arch-v32/drivers/i2c.c b/arch/cris/arch-v32/drivers/i2c.c index 5d6c527..e12f6cc 100644 --- a/arch/cris/arch-v32/drivers/i2c.c +++ b/arch/cris/arch-v32/drivers/i2c.c @@ -574,10 +574,10 @@ i2c_ioctl(struct inode *inode, struct file *file, } static const struct file_operations i2c_fops = { - owner: THIS_MODULE, - ioctl: i2c_ioctl, - open: i2c_open, - release: i2c_release, + .owner = THIS_MODULE, + .ioctl = i2c_ioctl, + .open = i2c_open, + .release = i2c_release, }; int __init diff --git a/arch/cris/arch-v32/drivers/pcf8563.c b/arch/cris/arch-v32/drivers/pcf8563.c index 24b919b..fa8d500 100644 --- a/arch/cris/arch-v32/drivers/pcf8563.c +++ b/arch/cris/arch-v32/drivers/pcf8563.c @@ -51,10 +51,10 @@ int pcf8563_open(struct inode *, struct file *); int pcf8563_release(struct inode *, struct file *); static const struct file_operations pcf8563_fops = { - owner: THIS_MODULE, - ioctl: pcf8563_ioctl, - open: pcf8563_open, - release: pcf8563_release, + .owner = THIS_MODULE, + .ioctl = pcf8563_ioctl, + .open = pcf8563_open, + .release = pcf8563_release, }; unsigned char diff --git a/arch/cris/arch-v32/kernel/ptrace.c b/arch/cris/arch-v32/kernel/ptrace.c index d4d57b7..38ece0c 100644 --- a/arch/cris/arch-v32/kernel/ptrace.c +++ b/arch/cris/arch-v32/kernel/ptrace.c @@ -146,12 +146,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) /* Write the word at location address. */ case PTRACE_POKETEXT: case PTRACE_POKEDATA: - ret = 0; - - if (access_process_vm(child, addr, &data, sizeof(data), 1) == sizeof(data)) - break; - - ret = -EIO; + ret = generic_ptrace_pokedata(child, addr, data); break; /* Write the word at location address in the USER area. */ diff --git a/arch/frv/kernel/entry.S b/arch/frv/kernel/entry.S index 43dc08e..275673c 100644 --- a/arch/frv/kernel/entry.S +++ b/arch/frv/kernel/entry.S @@ -1492,6 +1492,10 @@ sys_call_table: .long sys_move_pages .long sys_getcpu .long sys_epoll_pwait + .long sys_utimensat /* 320 */ + .long sys_signalfd + .long sys_timerfd + .long sys_eventfd syscall_table_size = (. - sys_call_table) diff --git a/arch/frv/kernel/gdb-stub.c b/arch/frv/kernel/gdb-stub.c index 1e7a101..e89cad1 100644 --- a/arch/frv/kernel/gdb-stub.c +++ b/arch/frv/kernel/gdb-stub.c @@ -647,17 +647,11 @@ void debug_to_serial(const char *p, int n) } #endif -#ifdef CONFIG_GDBSTUB_CONSOLE - -static kdev_t gdbstub_console_dev(struct console *con) -{ - return MKDEV(1,3); /* /dev/null */ -} +#ifdef CONFIG_GDB_CONSOLE static struct console gdbstub_console = { .name = "gdb", .write = gdbstub_console_write, /* in break.S */ - .device = gdbstub_console_dev, .flags = CON_PRINTBUFFER, .index = -1, }; @@ -2021,7 +2015,7 @@ void __init gdbstub_init(void) ptr = mem2hex(gdbstub_banner, ptr, sizeof(gdbstub_banner) - 1, 0); gdbstub_send_packet(output_buffer); #endif -#if defined(CONFIG_GDBSTUB_CONSOLE) && defined(CONFIG_GDBSTUB_IMMEDIATE) +#if defined(CONFIG_GDB_CONSOLE) && defined(CONFIG_GDBSTUB_IMMEDIATE) register_console(&gdbstub_console); #endif @@ -2031,7 +2025,7 @@ void __init gdbstub_init(void) /* * register the console at a more appropriate time */ -#if defined (CONFIG_GDBSTUB_CONSOLE) && !defined(CONFIG_GDBSTUB_IMMEDIATE) +#if defined (CONFIG_GDB_CONSOLE) && !defined(CONFIG_GDBSTUB_IMMEDIATE) static int __init gdbstub_postinit(void) { printk("registering console\n"); diff --git a/arch/frv/kernel/ptrace.c b/arch/frv/kernel/ptrace.c index ce88fb9..709e9bd 100644 --- a/arch/frv/kernel/ptrace.c +++ b/arch/frv/kernel/ptrace.c @@ -112,20 +112,12 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) switch (request) { /* when I and D space are separate, these will need to be fixed. */ case PTRACE_PEEKTEXT: /* read word at location addr. */ - case PTRACE_PEEKDATA: { - int copied; - + case PTRACE_PEEKDATA: ret = -EIO; if (is_user_addr_valid(child, addr, sizeof(tmp)) < 0) break; - - copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0); - if (copied != sizeof(tmp)) - break; - - ret = put_user(tmp,(unsigned long *) data); + ret = generic_ptrace_peekdata(child, addr, data); break; - } /* read the word at location addr in the USER area. */ case PTRACE_PEEKUSR: { @@ -176,9 +168,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) ret = -EIO; if (is_user_addr_valid(child, addr, sizeof(tmp)) < 0) break; - if (access_process_vm(child, addr, &data, sizeof(data), 1) != sizeof(data)) - break; - ret = 0; + ret = generic_ptrace_pokedata(child, addr, data); break; case PTRACE_POKEUSR: /* write the word at location addr in the USER area */ diff --git a/arch/frv/kernel/setup.c b/arch/frv/kernel/setup.c index aa3c795..c1c32e4 100644 --- a/arch/frv/kernel/setup.c +++ b/arch/frv/kernel/setup.c @@ -60,10 +60,6 @@ static void __init setup_linux_memory(void); static void __init setup_uclinux_memory(void); #endif -#ifdef CONFIG_CONSOLE -extern struct consw *conswitchp; -#endif - #ifdef CONFIG_MB93090_MB00 static char __initdata mb93090_banner[] = "FJ/RH FR-V Linux"; static char __initdata mb93090_version[] = UTS_RELEASE; @@ -795,13 +791,6 @@ void __init setup_arch(char **cmdline_p) #endif #endif -#if defined(CONFIG_CHR_DEV_FLASH) || defined(CONFIG_BLK_DEV_FLASH) - /* we need to initialize the Flashrom device here since we might - * do things with flash early on in the boot - */ - flash_probe(); -#endif - /* deal with the command line - RedBoot may have passed one to the kernel */ memcpy(command_line, boot_command_line, sizeof(command_line)); *cmdline_p = &command_line[0]; @@ -837,11 +826,6 @@ void __init setup_arch(char **cmdline_p) #endif #endif -#ifdef CONFIG_BLK_DEV_BLKMEM - ROOT_DEV = MKDEV(BLKMEM_MAJOR,0); -#endif - /*rom_length = (unsigned long)&_flashend - (unsigned long)&_romvec;*/ - #ifdef CONFIG_MMU setup_linux_memory(); #else diff --git a/arch/h8300/Kconfig b/arch/h8300/Kconfig index 618dbad..e35f74e 100644 --- a/arch/h8300/Kconfig +++ b/arch/h8300/Kconfig @@ -68,6 +68,9 @@ config TIME_LOW_RES config NO_IOPORT def_bool y +config NO_DMA + def_bool y + config ISA bool default y diff --git a/arch/h8300/Makefile b/arch/h8300/Makefile index b2d896a..53b5c1e 100644 --- a/arch/h8300/Makefile +++ b/arch/h8300/Makefile @@ -61,10 +61,11 @@ archmrproper: archclean: $(Q)$(MAKE) $(clean)=$(boot) -vmlinux.srec vmlinux.bin: vmlinux +vmlinux.srec vmlinux.bin zImage: vmlinux $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ define archhelp - echo 'vmlinux.bin - Create raw binary' - echo 'vmlinux.srec - Create srec binary' + @echo 'vmlinux.bin - Create raw binary' + @echo 'vmlinux.srec - Create srec binary' + @echo 'zImage - Compressed kernel image' endef diff --git a/arch/h8300/boot/compressed/Makefile b/arch/h8300/boot/compressed/Makefile index 71aac82..d6189e0 100644 --- a/arch/h8300/boot/compressed/Makefile +++ b/arch/h8300/boot/compressed/Makefile @@ -15,10 +15,10 @@ OBJECTS = $(obj)/head.o $(obj)/misc.o # in order to suppress error message. # CONFIG_MEMORY_START ?= 0x00400000 -CONFIG_BOOT_LINK_OFFSET ?= 0x00400000 +CONFIG_BOOT_LINK_OFFSET ?= 0x00140000 IMAGE_OFFSET := $(shell printf "0x%08x" $$[$(CONFIG_MEMORY_START)+$(CONFIG_BOOT_LINK_OFFSET)]) -LDFLAGS_vmlinux := -T $(obj)/vmlinux.lds +LDFLAGS_vmlinux := -Ttext $(IMAGE_OFFSET) -estartup $(obj)/vmlinux.lds $(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o FORCE $(call if_changed,ld) diff --git a/arch/h8300/boot/compressed/head.S b/arch/h8300/boot/compressed/head.S index b8e90d1..985a81a 100644 --- a/arch/h8300/boot/compressed/head.S +++ b/arch/h8300/boot/compressed/head.S @@ -4,7 +4,7 @@ * Copyright (C) 2006 Yoshinori Sato */ -.h8300h + .h8300h #include <linux/linkage.h> #define SRAM_START 0xff4000 diff --git a/arch/h8300/boot/compressed/vmlinux.lds b/arch/h8300/boot/compressed/vmlinux.lds new file mode 100644 index 0000000..65e2a0d --- /dev/null +++ b/arch/h8300/boot/compressed/vmlinux.lds @@ -0,0 +1,32 @@ +SECTIONS +{ + .text : + { + __stext = . ; + __text = .; + *(.text.startup) + *(.text) + __etext = . ; + } + + .rodata : + { + *(.rodata) + } + .data : + + { + __sdata = . ; + ___data_start = . ; + *(.data.*) + } + .bss : + { + . = ALIGN(0x4) ; + __sbss = . ; + *(.bss*) + . = ALIGN(0x4) ; + __ebss = . ; + __end = . ; + } +} diff --git a/arch/h8300/boot/compressed/vmlinux.scr b/arch/h8300/boot/compressed/vmlinux.scr new file mode 100644 index 0000000..a0f6962 --- /dev/null +++ b/arch/h8300/boot/compressed/vmlinux.scr @@ -0,0 +1,9 @@ +SECTIONS +{ + .data : { + _input_len = .; + LONG(_input_data_end - _input_data) _input_data = .; + *(.data) + _input_data_end = .; + } +} diff --git a/arch/h8300/kernel/Makefile b/arch/h8300/kernel/Makefile index ccc1a7f..874f6ae 100644 --- a/arch/h8300/kernel/Makefile +++ b/arch/h8300/kernel/Makefile @@ -6,6 +6,7 @@ extra-y := vmlinux.lds obj-y := process.o traps.o ptrace.o irq.o \ sys_h8300.o time.o semaphore.o signal.o \ - setup.o gpio.o init_task.o syscalls.o + setup.o gpio.o init_task.o syscalls.o \ + entry.o obj-$(CONFIG_MODULES) += module.o h8300_ksyms.o diff --git a/arch/h8300/platform/h8s/entry.S b/arch/h8300/kernel/entry.S index f3d6b8e..ca74316 100644 --- a/arch/h8300/platform/h8s/entry.S +++ b/arch/h8300/kernel/entry.S @@ -1,11 +1,10 @@ /* -*- mode: asm -*- * - * linux/arch/h8300/platform/h8s/entry.S + * linux/arch/h8300/platform/h8300h/entry.S * * Yoshinori Sato <ysato@users.sourceforge.jp> + * David McCullough <davidm@snapgear.com> * - * fairly heavy changes to fix syscall args and signal processing - * by David McCullough <davidm@snapgear.com> */ /* @@ -23,13 +22,66 @@ #include <asm/thread_info.h> #include <asm/errno.h> +#if defined(CONFIG_CPU_H8300H) +#define USERRET 8 +INTERRUPTS = 64 + .h8300h + .macro SHLL2 reg + shll.l \reg + shll.l \reg + .endm + .macro SHLR2 reg + shlr.l \reg + shlr.l \reg + .endm + .macro SAVEREGS + mov.l er0,@-sp + mov.l er1,@-sp + mov.l er2,@-sp + mov.l er3,@-sp + .endm + .macro RESTOREREGS + mov.l @sp+,er3 + mov.l @sp+,er2 + .endm + .macro SAVEEXR + .endm + .macro RESTOREEXR + .endm +#endif +#if defined(CONFIG_CPU_H8S) +#define USERRET 10 +#define USEREXR 8 +INTERRUPTS = 128 .h8300s + .macro SHLL2 reg + shll.l #2,\reg + .endm + .macro SHLR2 reg + shlr.l #2,\reg + .endm + .macro SAVEREGS + stm.l er0-er3,@-sp + .endm + .macro RESTOREREGS + ldm.l @sp+,er2-er3 + .endm + .macro SAVEEXR + mov.w @(USEREXR:16,er0),r1 + mov.w r1,@(LEXR-LER3:16,sp) /* copy EXR */ + .endm + .macro RESTOREEXR + mov.w @(LEXR-LER1:16,sp),r1 /* restore EXR */ + mov.b r1l,r1h + mov.w r1,@(USEREXR:16,er0) + .endm +#endif + /* CPU context save/restore macros. */ - + .macro SAVE_ALL mov.l er0,@-sp - stc ccr,r0l /* check kernel mode */ btst #4,r0l bne 5f @@ -39,42 +91,38 @@ mov.l @sp,er0 /* restore saved er0 */ orc #0x10,ccr /* switch kernel stack */ mov.l @SYMBOL_NAME(sw_ksp),sp - sub.l #(LRET-LORIG),sp /* allocate LORIG - LRET */ - stm.l er0-er3,@-sp - mov.l @SYMBOL_NAME(sw_usp),er0 - mov.l @(10:16,er0),er1 /* copy the RET addr */ - mov.l er1,@(LRET-LER3:16,sp) - mov.w @(8:16,er0),r1 - mov.w r1,@(LEXR-LER3:16,sp) /* copy EXR */ + sub.l #(LRET-LORIG),sp /* allocate LORIG - LRET */ + SAVEREGS + mov.l @SYMBOL_NAME(sw_usp),er0 + mov.l @(USERRET:16,er0),er1 /* copy the RET addr */ + mov.l er1,@(LRET-LER3:16,sp) + SAVEEXR - mov.w e1,r1 /* e1 highbyte = ccr */ - and #0xef,r1h /* mask mode? flag */ - sub.w r0,r0 - mov.b r1h,r0l - mov.w r0,@(LCCR-LER3:16,sp) /* copy ccr */ mov.l @(LORIG-LER3:16,sp),er0 mov.l er0,@(LER0-LER3:16,sp) /* copy ER0 */ + mov.w e1,r1 /* e1 highbyte = ccr */ + and #0xef,r1h /* mask mode? flag */ bra 6f 5: /* kernel mode */ mov.l @sp,er0 /* restore saved er0 */ subs #2,sp /* set dummy ccr */ - stm.l er0-er3,@-sp + SAVEREGS mov.w @(LRET-LER3:16,sp),r1 /* copy old ccr */ +6: mov.b r1h,r1l mov.b #0,r1h - mov.w r1,@(LCCR-LER3:16,sp) -6: + mov.w r1,@(LCCR-LER3:16,sp) /* set ccr */ mov.l er6,@-sp /* syscall arg #6 */ mov.l er5,@-sp /* syscall arg #5 */ mov.l er4,@-sp /* syscall arg #4 */ - .endm + .endm /* r1 = ccr */ .macro RESTORE_ALL mov.l @sp+,er4 mov.l @sp+,er5 mov.l @sp+,er6 - ldm.l @sp+,er2-er3 + RESTOREREGS mov.w @(LCCR-LER1:16,sp),r0 /* check kernel mode */ btst #4,r0l bne 7f @@ -83,18 +131,16 @@ mov.l @SYMBOL_NAME(sw_usp),er0 mov.l @(LER0-LER1:16,sp),er1 /* restore ER0 */ mov.l er1,@er0 - mov.w @(LEXR-LER1:16,sp),r1 /* restore EXR */ - mov.b r1l,r1h - mov.w r1,@(8:16,er0) + RESTOREEXR mov.w @(LCCR-LER1:16,sp),r1 /* restore the RET addr */ mov.b r1l,r1h mov.b @(LRET+1-LER1:16,sp),r1l mov.w r1,e1 mov.w @(LRET+2-LER1:16,sp),r1 - mov.l er1,@(10:16,er0) + mov.l er1,@(USERRET:16,er0) mov.l @sp+,er1 - add.l #(LRET-LER1),sp /* remove LORIG - LRET */ + add.l #(LRET-LER1),sp /* remove LORIG - LRET */ mov.l sp,@SYMBOL_NAME(sw_ksp) andc #0xef,ccr /* switch to user mode */ mov.l er0,sp @@ -108,7 +154,7 @@ adds #4,sp /* remove the sw created LVEC */ rte .endm - + .globl SYMBOL_NAME(system_call) .globl SYMBOL_NAME(ret_from_exception) .globl SYMBOL_NAME(ret_from_fork) @@ -116,16 +162,25 @@ .globl SYMBOL_NAME(interrupt_redirect_table) .globl SYMBOL_NAME(sw_ksp),SYMBOL_NAME(sw_usp) .globl SYMBOL_NAME(resume) -.globl SYMBOL_NAME(trace_break) .globl SYMBOL_NAME(interrupt_entry) - -INTERRUPTS = 128 +.globl SYMBOL_NAME(trace_break) + #if defined(CONFIG_ROMKERNEL) .section .int_redirect,"ax" SYMBOL_NAME_LABEL(interrupt_redirect_table) +#if defined(CONFIG_CPU_H8300H) .rept 7 .long 0 .endr +#endif +#if defined(CONFIG_CPU_H8S) + .rept 5 + .long 0 + .endr + jmp @SYMBOL_NAME(trace_break) + .long 0 +#endif + jsr @SYMBOL_NAME(interrupt_entry) /* NMI */ jmp @SYMBOL_NAME(system_call) /* TRAPA #0 (System call) */ .long 0 @@ -141,20 +196,20 @@ SYMBOL_NAME_LABEL(interrupt_redirect_table) SYMBOL_NAME_LABEL(interrupt_redirect_table) .space 4 #endif - + .section .text .align 2 SYMBOL_NAME_LABEL(interrupt_entry) SAVE_ALL - mov.w @(LCCR,sp),r0 - btst #4,r0l + mov.l sp,er0 + add.l #LVEC,er0 + btst #4,r1l bne 1f + /* user LVEC */ mov.l @SYMBOL_NAME(sw_usp),er0 - mov.l @(4:16,er0),er0 - bra 2f + adds #4,er0 1: - mov.l @(LVEC:16,sp),er0 -2: + mov.l @er0,er0 /* LVEC address */ #if defined(CONFIG_ROMKERNEL) sub.l #SYMBOL_NAME(interrupt_redirect_table),er0 #endif @@ -162,69 +217,62 @@ SYMBOL_NAME_LABEL(interrupt_entry) mov.l @SYMBOL_NAME(interrupt_redirect_table),er1 sub.l er1,er0 #endif - shlr.l #2,er0 + SHLR2 er0 dec.l #1,er0 mov.l sp,er1 subs #4,er1 /* adjust ret_pc */ - jsr @SYMBOL_NAME(process_int) - mov.l @SYMBOL_NAME(irq_stat)+CPUSTAT_SOFTIRQ_PENDING,er0 - beq 1f - jsr @SYMBOL_NAME(do_softirq) -1: - jmp @SYMBOL_NAME(ret_from_exception) + jsr @SYMBOL_NAME(do_IRQ) + jmp @SYMBOL_NAME(ret_from_interrupt) SYMBOL_NAME_LABEL(system_call) subs #4,sp /* dummy LVEC */ SAVE_ALL + andc #0x7f,ccr mov.l er0,er4 - mov.l #-ENOSYS,er0 - mov.l er0,@(LER0:16,sp) /* save top of frame */ mov.l sp,er0 jsr @SYMBOL_NAME(set_esp0) - cmp.l #NR_syscalls,er4 - bcc SYMBOL_NAME(ret_from_exception):16 - shll.l #2,er4 - mov.l #SYMBOL_NAME(sys_call_table),er0 - add.l er4,er0 - mov.l @er0,er0 - mov.l er0,er4 - beq SYMBOL_NAME(ret_from_exception):16 mov.l sp,er2 and.w #0xe000,r2 - mov.b @((TASK_FLAGS+3-(TIF_SYSCALL_TRACE >> 3)):16,er2),r2l + mov.b @((TI_FLAGS+3-(TIF_SYSCALL_TRACE >> 3)):16,er2),r2l btst #(TIF_SYSCALL_TRACE & 7),r2l + beq 1f + jsr @SYMBOL_NAME(do_syscall_trace) +1: + cmp.l #NR_syscalls,er4 + bcc badsys + SHLL2 er4 + mov.l #SYMBOL_NAME(sys_call_table),er0 + add.l er4,er0 + mov.l @er0,er4 + beq SYMBOL_NAME(ret_from_exception):16 mov.l @(LER1:16,sp),er0 mov.l @(LER2:16,sp),er1 mov.l @(LER3:16,sp),er2 - andc #0x7f,ccr jsr @er4 - mov.l er0,@(LER0:16,sp) /* save the return value */ + mov.l er0,@(LER0:16,sp) /* save the return value */ + mov.l sp,er2 + and.w #0xe000,r2 + mov.b @((TI_FLAGS+3-(TIF_SYSCALL_TRACE >> 3)):16,er2),r2l + btst #(TIF_SYSCALL_TRACE & 7),r2l + beq 2f + jsr @SYMBOL_NAME(do_syscall_trace) +2: #if defined(CONFIG_SYSCALL_PRINT) jsr @SYMBOL_NAME(syscall_print) #endif - bra SYMBOL_NAME(ret_from_exception):8 -1: - jsr SYMBOL_NAME(syscall_trace) - mov.l @(LER1:16,sp),er0 - mov.l @(LER2:16,sp),er1 - mov.l @(LER3:16,sp),er2 - jsr @er4 - mov.l er0,@(LER0:16,sp) /* save the return value */ - jsr @SYMBOL_NAME(syscall_trace) - bra SYMBOL_NAME(ret_from_exception):8 + orc #0x80,ccr + bra resume_userspace -SYMBOL_NAME_LABEL(ret_from_fork) - mov.l er2,er0 - jsr @SYMBOL_NAME(schedule_tail) - bra SYMBOL_NAME(ret_from_exception):8 +badsys: + mov.l #-ENOSYS,er0 + mov.l er0,@(LER0:16,sp) + bra resume_userspace -SYMBOL_NAME_LABEL(reschedule) - /* save top of frame */ - mov.l sp,er0 - jsr @SYMBOL_NAME(set_esp0) - jsr @SYMBOL_NAME(schedule) +#if !defined(CONFIG_PREEMPT) +#define resume_kernel restore_all +#endif SYMBOL_NAME_LABEL(ret_from_exception) #if defined(CONFIG_PREEMPT) @@ -232,58 +280,68 @@ SYMBOL_NAME_LABEL(ret_from_exception) #endif SYMBOL_NAME_LABEL(ret_from_interrupt) mov.b @(LCCR+1:16,sp),r0l - btst #4,r0l /* check if returning to kernel */ - bne done:8 /* if so, skip resched, signals */ + btst #4,r0l + bne resume_kernel:8 /* return from kernel */ +resume_userspace: andc #0x7f,ccr mov.l sp,er4 - and.w #0xe000,r4 + and.w #0xe000,r4 /* er4 <- current thread info */ mov.l @(TI_FLAGS:16,er4),er1 and.l #_TIF_WORK_MASK,er1 - beq done:8 -1: - mov.l @(TI_FLAGS:16,er4),er1 + beq restore_all:8 +work_pending: btst #TIF_NEED_RESCHED,r1l - bne SYMBOL_NAME(reschedule):16 + bne work_resched:8 + /* work notifysig */ mov.l sp,er0 - subs #4,er0 /* adjust retpc */ - mov.l er2,er1 - jsr @SYMBOL_NAME(do_signal) + subs #4,er0 /* er0: pt_regs */ + jsr @SYMBOL_NAME(do_notify_resume) + bra restore_all:8 +work_resched: + mov.l sp,er0 + jsr @SYMBOL_NAME(set_esp0) + jsr @SYMBOL_NAME(schedule) + bra resume_userspace:8 +restore_all: + RESTORE_ALL /* Does RTE */ + #if defined(CONFIG_PREEMPT) - bra done:8 /* userspace thoru */ -3: - btst #4,r0l - beq done:8 /* userspace thoru */ -4: - mov.l @(TI_PRE_COUNT:16,er4),er1 - bne done:8 - mov.l @(TI_FLAGS:16,er4),er1 - btst #TIF_NEED_RESCHED,r1l - beq done:8 - mov.b r0l,r0l - bpl done:8 /* interrupt off (exception path?) */ - mov.l #PREEMPT_ACTIVE,er1 - mov.l er1,@(TI_PRE_COUNT:16,er4) +resume_kernel: + mov.l @(TI_PRE_COUNT:16,er4),er0 + bne restore_all:8 +need_resched: + mov.l @(TI_FLAGS:16,er4),er0 + btst #TIF_NEED_RESCHED,r0l + beq restore_all:8 + mov.b @(LCCR+1:16,sp),r0l /* Interrupt Enabled? */ + bmi restore_all:8 + mov.l #PREEMPT_ACTIVE,er0 + mov.l er0,@(TI_PRE_COUNT:16,er4) andc #0x7f,ccr + mov.l sp,er0 + jsr @SYMBOL_NAME(set_esp0) jsr @SYMBOL_NAME(schedule) - sub.l er1,er1 - mov.l er1,@(TI_PRE_COUNT:16,er4) orc #0x80,ccr - bra 4b:8 + bra need_resched:8 #endif -done: - RESTORE_ALL /* Does RTE */ + +SYMBOL_NAME_LABEL(ret_from_fork) + mov.l er2,er0 + jsr @SYMBOL_NAME(schedule_tail) + jmp @SYMBOL_NAME(ret_from_exception) SYMBOL_NAME_LABEL(resume) /* - * er0 = prev - * er1 = next - * return last in er2 + * Beware - when entering resume, offset of tss is in d1, + * prev (the current task) is in a0, next (the new task) + * is in a1 and d2.b is non-zero if the mm structure is + * shared between the tasks, so don't change these + * registers until their contents are no longer needed. */ /* save sr */ sub.w r3,r3 stc ccr,r3l - stc exr,r3h mov.w r3,@(THREAD_CCR+2:16,er0) /* disable interrupts */ @@ -291,41 +349,45 @@ SYMBOL_NAME_LABEL(resume) mov.l @SYMBOL_NAME(sw_usp),er3 mov.l er3,@(THREAD_USP:16,er0) mov.l sp,@(THREAD_KSP:16,er0) - + /* Skip address space switching if they are the same. */ /* FIXME: what did we hack out of here, this does nothing! */ mov.l @(THREAD_USP:16,er1),er0 mov.l er0,@SYMBOL_NAME(sw_usp) mov.l @(THREAD_KSP:16,er1),sp - + /* restore status register */ mov.w @(THREAD_CCR+2:16,er1),r3 ldc r3l,ccr - ldc r3h,exr - rts SYMBOL_NAME_LABEL(trace_break) - subs #4,sp /* dummy LVEC */ + subs #4,sp SAVE_ALL sub.l er1,er1 dec.l #1,er1 - mov.l er1,@(LORIG,sp) + mov.l er1,@(LORIG,sp) mov.l sp,er0 jsr @SYMBOL_NAME(set_esp0) mov.l @SYMBOL_NAME(sw_usp),er0 mov.l @er0,er1 + mov.w @(-2:16,er1),r2 + cmp.w #0x5730,r2 + beq 1f subs #2,er1 - mov.l er1,@er0 + mov.l er1,@er0 +1: and.w #0xff,e1 mov.l er1,er0 jsr @SYMBOL_NAME(trace_trap) - jmp @SYMBOL_NAME(ret_from_exception) + jmp @SYMBOL_NAME(ret_from_exception) .section .bss SYMBOL_NAME_LABEL(sw_ksp) - .space 4 + .space 4 SYMBOL_NAME_LABEL(sw_usp) - .space 4 + .space 4 + + .end diff --git a/arch/h8300/kernel/ints.c b/arch/h8300/kernel/ints.c deleted file mode 100644 index 3e4f479..0000000 --- a/arch/h8300/kernel/ints.c +++ /dev/null @@ -1,256 +0,0 @@ -/* - * linux/arch/h8300/kernel/ints.c - * - * Yoshinori Sato <ysato@users.sourceforge.jp> - * - * Based on linux/arch/$(ARCH)/platform/$(PLATFORM)/ints.c - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file COPYING in the main directory of this archive - * for more details. - * - * Copyright 1996 Roman Zippel - * Copyright 1999 D. Jeff Dionne <jeff@rt-control.com> - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/kernel_stat.h> -#include <linux/seq_file.h> -#include <linux/interrupt.h> -#include <linux/init.h> -#include <linux/random.h> -#include <linux/bootmem.h> -#include <linux/hardirq.h> - -#include <asm/system.h> -#include <asm/irq.h> -#include <asm/traps.h> -#include <asm/io.h> -#include <asm/setup.h> -#include <asm/errno.h> - -/* - * This structure has only 4 elements for speed reasons - */ -typedef struct irq_handler { - irqreturn_t (*handler)(int, void *, struct pt_regs *); - int flags; - int count; - void *dev_id; - const char *devname; -} irq_handler_t; - -static irq_handler_t *irq_list[NR_IRQS]; -static int use_kmalloc; - -extern unsigned long *interrupt_redirect_table; -extern const int h8300_saved_vectors[]; -extern const unsigned long h8300_trap_table[]; -int h8300_enable_irq_pin(unsigned int irq); -void h8300_disable_irq_pin(unsigned int irq); - -#define CPU_VECTOR ((unsigned long *)0x000000) -#define ADDR_MASK (0xffffff) - -#if defined(CONFIG_RAMKERNEL) -static unsigned long __init *get_vector_address(void) -{ - unsigned long *rom_vector = CPU_VECTOR; - unsigned long base,tmp; - int vec_no; - - base = rom_vector[EXT_IRQ0] & ADDR_MASK; - - /* check romvector format */ - for (vec_no = EXT_IRQ1; vec_no <= EXT_IRQ0+EXT_IRQS; vec_no++) { - if ((base+(vec_no - EXT_IRQ0)*4) != (rom_vector[vec_no] & ADDR_MASK)) - return NULL; - } - - /* ramvector base address */ - base -= EXT_IRQ0*4; - - /* writerble check */ - tmp = ~(*(volatile unsigned long *)base); - (*(volatile unsigned long *)base) = tmp; - if ((*(volatile unsigned long *)base) != tmp) - return NULL; - return (unsigned long *)base; -} -#endif - -void __init init_IRQ(void) -{ -#if defined(CONFIG_RAMKERNEL) - int i; - unsigned long *ramvec,*ramvec_p; - const unsigned long *trap_entry; - const int *saved_vector; - - ramvec = get_vector_address(); - if (ramvec == NULL) - panic("interrupt vector serup failed."); - else - printk(KERN_INFO "virtual vector at 0x%08lx\n",(unsigned long)ramvec); - - /* create redirect table */ - ramvec_p = ramvec; - trap_entry = h8300_trap_table; - saved_vector = h8300_saved_vectors; - for ( i = 0; i < NR_IRQS; i++) { - if (i == *saved_vector) { - ramvec_p++; - saved_vector++; - } else { - if ( i < NR_TRAPS ) { - if (*trap_entry) - *ramvec_p = VECTOR(*trap_entry); - ramvec_p++; - trap_entry++; - } else - *ramvec_p++ = REDIRECT(interrupt_entry); - } - } - interrupt_redirect_table = ramvec; -#ifdef DUMP_VECTOR - ramvec_p = ramvec; - for (i = 0; i < NR_IRQS; i++) { - if ((i % 8) == 0) - printk(KERN_DEBUG "\n%p: ",ramvec_p); - printk(KERN_DEBUG "%p ",*ramvec_p); - ramvec_p++; - } - printk(KERN_DEBUG "\n"); -#endif -#endif -} - -int request_irq(unsigned int irq, - irqreturn_t (*handler)(int, void *, struct pt_regs *), - unsigned long flags, const char *devname, void *dev_id) -{ - irq_handler_t *irq_handle; - if (irq < 0 || irq >= NR_IRQS) { - printk(KERN_ERR "Incorrect IRQ %d from %s\n", irq, devname); - return -EINVAL; - } - - if (irq_list[irq] || (h8300_enable_irq_pin(irq) == -EBUSY)) - return -EBUSY; - - if (use_kmalloc) - irq_handle = kmalloc(sizeof(irq_handler_t), GFP_ATOMIC); - else { - /* use bootmem allocater */ - irq_handle = (irq_handler_t *)alloc_bootmem(sizeof(irq_handler_t)); - irq_handle = (irq_handler_t *)((unsigned long)irq_handle | 0x80000000); - } - - if (irq_handle == NULL) - return -ENOMEM; - - irq_handle->handler = handler; - irq_handle->flags = flags; - irq_handle->count = 0; - irq_handle->dev_id = dev_id; - irq_handle->devname = devname; - irq_list[irq] = irq_handle; - - if (irq_handle->flags & IRQF_SAMPLE_RANDOM) - rand_initialize_irq(irq); - - enable_irq(irq); - return 0; -} - -EXPORT_SYMBOL(request_irq); - -void free_irq(unsigned int irq, void *dev_id) -{ - if (irq >= NR_IRQS) - return; - - if (!irq_list[irq] || irq_list[irq]->dev_id != dev_id) - printk(KERN_WARNING "Removing probably wrong IRQ %d from %s\n", - irq, irq_list[irq]->devname); - disable_irq(irq); - h8300_disable_irq_pin(irq); - if (((unsigned long)irq_list[irq] & 0x80000000) == 0) { - kfree(irq_list[irq]); - irq_list[irq] = NULL; - } -} - -EXPORT_SYMBOL(free_irq); - -/* - * Do we need these probe functions on the m68k? - */ -unsigned long probe_irq_on (void) -{ - return 0; -} - -EXPORT_SYMBOL(probe_irq_on); - -int probe_irq_off (unsigned long irqs) -{ - return 0; -} - -EXPORT_SYMBOL(probe_irq_off); - -void enable_irq(unsigned int irq) -{ - if (irq >= EXT_IRQ0 && irq <= (EXT_IRQ0 + EXT_IRQS)) - IER_REGS |= 1 << (irq - EXT_IRQ0); -} - -void disable_irq(unsigned int irq) -{ - if (irq >= EXT_IRQ0 && irq <= (EXT_IRQ0 + EXT_IRQS)) - IER_REGS &= ~(1 << (irq - EXT_IRQ0)); -} - -asmlinkage void process_int(int irq, struct pt_regs *fp) -{ - irq_enter(); - h8300_clear_isr(irq); - if (irq >= NR_TRAPS && irq < NR_IRQS) { - if (irq_list[irq]) { - irq_list[irq]->handler(irq, irq_list[irq]->dev_id, fp); - irq_list[irq]->count++; - if (irq_list[irq]->flags & IRQF_SAMPLE_RANDOM) - add_interrupt_randomness(irq); - } - } else { - BUG(); - } - irq_exit(); -} - -int show_interrupts(struct seq_file *p, void *v) -{ - int i = *(loff_t *) v; - - if ((i < NR_IRQS) && (irq_list[i]!=NULL)) { - seq_printf(p, "%3d: %10u ",i,irq_list[i]->count); - seq_printf(p, "%s\n", irq_list[i]->devname); - } - - return 0; -} - -void init_irq_proc(void) -{ -} - -static int __init enable_kmalloc(void) -{ - use_kmalloc = 1; - return 0; -} -core_initcall(enable_kmalloc); diff --git a/arch/h8300/kernel/ptrace.c b/arch/h8300/kernel/ptrace.c index 8f2411d..d32bbf0 100644 --- a/arch/h8300/kernel/ptrace.c +++ b/arch/h8300/kernel/ptrace.c @@ -111,10 +111,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) /* when I and D space are separate, this will have to be fixed. */ case PTRACE_POKETEXT: /* write the word at location addr. */ case PTRACE_POKEDATA: - ret = 0; - if (access_process_vm(child, addr, &data, sizeof(data), 1) == sizeof(data)) - break; - ret = -EIO; + ret = generic_ptrace_pokedata(child, addr, data); break; case PTRACE_POKEUSR: /* write the word at location addr in the USER area */ @@ -219,7 +216,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) return ret; } -asmlinkage void syscall_trace(void) +asmlinkage void do_syscall_trace(void) { if (!test_thread_flag(TIF_SYSCALL_TRACE)) return; diff --git a/arch/h8300/kernel/signal.c b/arch/h8300/kernel/signal.c index 0295560..62ea12d 100644 --- a/arch/h8300/kernel/signal.c +++ b/arch/h8300/kernel/signal.c @@ -547,3 +547,9 @@ asmlinkage int do_signal(struct pt_regs *regs, sigset_t *oldset) } return 0; } + +asmlinkage void do_notify_resume(struct pt_regs *regs, u32 thread_info_flags) +{ + if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK)) + do_signal(regs, NULL); +} diff --git a/arch/h8300/platform/h8300h/Makefile b/arch/h8300/platform/h8300h/Makefile index b24ea08..c5096369 100644 --- a/arch/h8300/platform/h8300h/Makefile +++ b/arch/h8300/platform/h8300h/Makefile @@ -4,4 +4,4 @@ # Reuse any files we can from the H8/300H # -obj-y := entry.o irq_pin.o ptrace_h8300h.o +obj-y := irq_pin.o ptrace_h8300h.o diff --git a/arch/h8300/platform/h8300h/entry.S b/arch/h8300/platform/h8300h/entry.S deleted file mode 100644 index f86ac3b..0000000 --- a/arch/h8300/platform/h8300h/entry.S +++ /dev/null @@ -1,332 +0,0 @@ -/* -*- mode: asm -*- - * - * linux/arch/h8300/platform/h8300h/entry.S - * - * Yoshinori Sato <ysato@users.sourceforge.jp> - * David McCullough <davidm@snapgear.com> - * - */ - -/* - * entry.S - * include exception/interrupt gateway - * system call entry - */ - -#include <linux/sys.h> -#include <asm/unistd.h> -#include <asm/setup.h> -#include <asm/segment.h> -#include <asm/linkage.h> -#include <asm/asm-offsets.h> -#include <asm/thread_info.h> -#include <asm/errno.h> - - .h8300h - -/* CPU context save/restore macros. */ - - .macro SAVE_ALL - mov.l er0,@-sp - - stc ccr,r0l /* check kernel mode */ - btst #4,r0l - bne 5f - - mov.l sp,@SYMBOL_NAME(sw_usp) /* user mode */ - mov.l @sp,er0 - orc #0x10,ccr - mov.l @SYMBOL_NAME(sw_ksp),sp - sub.l #(LRET-LORIG),sp /* allocate LORIG - LRET */ - mov.l er0,@-sp - mov.l er1,@-sp - mov.l @SYMBOL_NAME(sw_usp),er0 - mov.l @(8:16,er0),er1 /* copy the RET addr */ - mov.l er1,@(LRET-LER1:16,sp) - - mov.w e1,r1 /* e1 highbyte = ccr */ - and #0xef,r1h /* mask mode? flag */ - sub.w r0,r0 - mov.b r1h,r0l - mov.w r0,@(LCCR-LER1:16,sp) /* copy ccr */ - mov.l @(LORIG-LER1:16,sp),er0 - mov.l er0,@(LER0-LER1:16,sp) /* copy ER0 */ - bra 6f -5: - mov.l @sp,er0 /* kernel mode */ - subs #2,sp /* dummy ccr */ - mov.l er0,@-sp - mov.l er1,@-sp - mov.w @(LRET-LER1:16,sp),r1 /* copy old ccr */ - mov.b r1h,r1l - mov.b #0,r1h - mov.w r1,@(LCCR-LER1:16,sp) /* set ccr */ -6: - mov.l er2,@-sp - mov.l er3,@-sp - mov.l er6,@-sp /* syscall arg #6 */ - mov.l er5,@-sp /* syscall arg #5 */ - mov.l er4,@-sp /* syscall arg #4 */ - .endm - - .macro RESTORE_ALL - mov.l @sp+,er4 - mov.l @sp+,er5 - mov.l @sp+,er6 - mov.l @sp+,er3 - mov.l @sp+,er2 - mov.w @(LCCR-LER1:16,sp),r0 /* check kernel mode */ - btst #4,r0l - bne 7f - - orc #0x80,ccr - mov.l @SYMBOL_NAME(sw_usp),er0 - mov.l @(LER0-LER1:16,sp),er1 /* restore ER0 */ - mov.l er1,@er0 - mov.w @(LCCR-LER1:16,sp),r1 /* restore the RET addr */ - mov.b r1l,r1h - mov.b @(LRET+1-LER1:16,sp),r1l - mov.w r1,e1 - mov.w @(LRET+2-LER1:16,sp),r1 - mov.l er1,@(8:16,er0) - - mov.l @sp+,er1 - add.l #(LRET-LER1),sp /* remove LORIG - LRET */ - mov.l sp,@SYMBOL_NAME(sw_ksp) - mov.l er0,sp - bra 8f -7: - mov.l @sp+,er1 - adds #4,sp - adds #2,sp -8: - mov.l @sp+,er0 - adds #4,sp /* remove the sw created LVEC */ - rte - .endm - -.globl SYMBOL_NAME(system_call) -.globl SYMBOL_NAME(ret_from_exception) -.globl SYMBOL_NAME(ret_from_fork) -.globl SYMBOL_NAME(ret_from_interrupt) -.globl SYMBOL_NAME(interrupt_redirect_table) -.globl SYMBOL_NAME(sw_ksp),SYMBOL_NAME(sw_usp) -.globl SYMBOL_NAME(resume) -.globl SYMBOL_NAME(interrupt_redirect_table) -.globl SYMBOL_NAME(interrupt_entry) -.globl SYMBOL_NAME(system_call) -.globl SYMBOL_NAME(trace_break) - -#if defined(CONFIG_ROMKERNEL) -INTERRUPTS = 64 - .section .int_redirect,"ax" -SYMBOL_NAME_LABEL(interrupt_redirect_table) - .rept 7 - .long 0 - .endr - jsr @SYMBOL_NAME(interrupt_entry) /* NMI */ - jmp @SYMBOL_NAME(system_call) /* TRAPA #0 (System call) */ - .long 0 - .long 0 - jmp @SYMBOL_NAME(trace_break) /* TRAPA #3 (breakpoint) */ - .rept INTERRUPTS-12 - jsr @SYMBOL_NAME(interrupt_entry) - .endr -#endif -#if defined(CONFIG_RAMKERNEL) -.globl SYMBOL_NAME(interrupt_redirect_table) - .section .bss -SYMBOL_NAME_LABEL(interrupt_redirect_table) - .space 4 -#endif - - .section .text - .align 2 -SYMBOL_NAME_LABEL(interrupt_entry) - SAVE_ALL - mov.w @(LCCR,sp),r0 - btst #4,r0l - bne 1f - mov.l @SYMBOL_NAME(sw_usp),er0 - mov.l @(4:16,er0),er0 - bra 2f -1: - mov.l @(LVEC,sp),er0 -2: -#if defined(CONFIG_ROMKERNEL) - sub.l #SYMBOL_NAME(interrupt_redirect_table),er0 -#endif -#if defined(CONFIG_RAMKERNEL) - mov.l @SYMBOL_NAME(interrupt_redirect_table),er1 - sub.l er1,er0 -#endif - shlr.l er0 - shlr.l er0 - dec.l #1,er0 - mov.l sp,er1 - subs #4,er1 /* adjust ret_pc */ - jsr @SYMBOL_NAME(do_IRQ) - mov.l @SYMBOL_NAME(irq_stat)+CPUSTAT_SOFTIRQ_PENDING,er0 - beq 1f - jsr @SYMBOL_NAME(do_softirq) -1: - jmp @SYMBOL_NAME(ret_from_interrupt) - -SYMBOL_NAME_LABEL(system_call) - subs #4,sp /* dummy LVEC */ - SAVE_ALL - mov.w @(LCCR:16,sp),r1 - bset #4,r1l - ldc r1l,ccr - mov.l er0,er4 - mov.l #-ENOSYS,er0 - mov.l er0,@(LER0:16,sp) - - /* save top of frame */ - mov.l sp,er0 - jsr @SYMBOL_NAME(set_esp0) - cmp.l #NR_syscalls,er4 - bcc SYMBOL_NAME(ret_from_exception):16 - shll.l er4 - shll.l er4 - mov.l #SYMBOL_NAME(sys_call_table),er0 - add.l er4,er0 - mov.l @er0,er4 - beq SYMBOL_NAME(ret_from_exception):16 - mov.l sp,er2 - and.w #0xe000,r2 - mov.b @((TASK_FLAGS+3-(TIF_SYSCALL_TRACE >> 3)):16,er2),r2l - btst #(TIF_SYSCALL_TRACE & 7),r2l - bne 1f - mov.l @(LER1:16,sp),er0 - mov.l @(LER2:16,sp),er1 - mov.l @(LER3:16,sp),er2 - jsr @er4 - mov.l er0,@(LER0:16,sp) /* save the return value */ -#if defined(CONFIG_SYSCALL_PRINT) - jsr @SYMBOL_NAME(syscall_print) -#endif - bra SYMBOL_NAME(ret_from_exception):8 -1: - jsr SYMBOL_NAME(syscall_trace) - mov.l @(LER1:16,sp),er0 - mov.l @(LER2:16,sp),er1 - mov.l @(LER3:16,sp),er2 - jsr @er4 - mov.l er0,@(LER0:16,sp) /* save the return value */ - jsr @SYMBOL_NAME(syscall_trace) - bra SYMBOL_NAME(ret_from_exception):8 - -SYMBOL_NAME_LABEL(ret_from_fork) - mov.l er2,er0 - jsr @SYMBOL_NAME(schedule_tail) - bra SYMBOL_NAME(ret_from_exception):8 - -SYMBOL_NAME_LABEL(reschedule) - /* save top of frame */ - mov.l sp,er0 - jsr @SYMBOL_NAME(set_esp0) - jsr @SYMBOL_NAME(schedule) - -SYMBOL_NAME_LABEL(ret_from_exception) -#if defined(CONFIG_PREEMPT) - orc #0x80,ccr -#endif -SYMBOL_NAME_LABEL(ret_from_interrupt) - mov.b @(LCCR+1:16,sp),r0l - btst #4,r0l /* check if returning to kernel */ - bne done:8 /* if so, skip resched, signals */ - andc #0x7f,ccr - mov.l sp,er4 - and.w #0xe000,r4 - mov.l @(TI_FLAGS:16,er4),er1 - and.l #_TIF_WORK_MASK,er1 - beq done:8 -1: - mov.l @(TI_FLAGS:16,er4),er1 - btst #TIF_NEED_RESCHED,r1l - bne SYMBOL_NAME(reschedule):16 - mov.l sp,er0 - subs #4,er0 /* adjust retpc */ - mov.l er2,er1 - jsr @SYMBOL_NAME(do_signal) -#if defined(CONFIG_PREEMPT) - bra done:8 /* userspace thoru */ -3: - btst #4,r0l - beq done:8 /* userspace thoru */ -4: - mov.l @(TI_PRE_COUNT:16,er4),er1 - bne done:8 - mov.l @(TI_FLAGS:16,er4),er1 - btst #TIF_NEED_RESCHED,r1l - beq done:8 - mov.b r0l,r0l - bpl done:8 /* interrupt off (exception path?) */ - mov.l #PREEMPT_ACTIVE,er1 - mov.l er1,@(TI_PRE_COUNT:16,er4) - andc #0x7f,ccr - jsr @SYMBOL_NAME(schedule) - sub.l er1,er1 - mov.l er1,@(TI_PRE_COUNT:16,er4) - orc #0x80,ccr - bra 4b:8 -#endif -done: - RESTORE_ALL /* Does RTE */ - -SYMBOL_NAME_LABEL(resume) - /* - * Beware - when entering resume, offset of tss is in d1, - * prev (the current task) is in a0, next (the new task) - * is in a1 and d2.b is non-zero if the mm structure is - * shared between the tasks, so don't change these - * registers until their contents are no longer needed. - */ - - /* save sr */ - sub.w r3,r3 - stc ccr,r3l - mov.w r3,@(THREAD_CCR+2:16,er0) - - /* disable interrupts */ - orc #0x80,ccr - mov.l @SYMBOL_NAME(sw_usp),er3 - mov.l er3,@(THREAD_USP:16,er0) - mov.l sp,@(THREAD_KSP:16,er0) - - /* Skip address space switching if they are the same. */ - /* FIXME: what did we hack out of here, this does nothing! */ - - mov.l @(THREAD_USP:16,er1),er0 - mov.l er0,@SYMBOL_NAME(sw_usp) - mov.l @(THREAD_KSP:16,er1),sp - - /* restore status register */ - mov.w @(THREAD_CCR+2:16,er1),r3 - - ldc r3l,ccr - rts - -SYMBOL_NAME_LABEL(trace_break) - subs #4,sp - SAVE_ALL - sub.l er1,er1 - dec.l #1,er1 - mov.l er1,@(LORIG,sp) - mov.l sp,er0 - jsr @SYMBOL_NAME(set_esp0) - mov.l @SYMBOL_NAME(sw_usp),er0 - mov.l @er0,er1 - subs #2,er1 - mov.l er1,@er0 - and.w #0xff,e1 - mov.l er1,er0 - jsr @SYMBOL_NAME(trace_trap) - jmp @SYMBOL_NAME(ret_from_exception) - - .section .bss -SYMBOL_NAME_LABEL(sw_ksp) - .space 4 -SYMBOL_NAME_LABEL(sw_usp) - .space 4 diff --git a/arch/h8300/platform/h8s/Makefile b/arch/h8300/platform/h8s/Makefile index 0847b15..bf12418 100644 --- a/arch/h8300/platform/h8s/Makefile +++ b/arch/h8300/platform/h8s/Makefile @@ -4,4 +4,4 @@ # Reuse any files we can from the H8S # -obj-y := entry.o ints_h8s.o ptrace_h8s.o +obj-y := ints_h8s.o ptrace_h8s.o diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig index b1b2b30..c7c9c2a 100644 --- a/arch/i386/Kconfig +++ b/arch/i386/Kconfig @@ -1212,21 +1212,26 @@ source "drivers/Kconfig" source "fs/Kconfig" -menu "Instrumentation Support" +menuconfig INSTRUMENTATION + bool "Instrumentation Support" depends on EXPERIMENTAL + default y + +if INSTRUMENTATION source "arch/i386/oprofile/Kconfig" config KPROBES - bool "Kprobes (EXPERIMENTAL)" - depends on KALLSYMS && EXPERIMENTAL && MODULES + bool "Kprobes" + depends on KALLSYMS && MODULES help Kprobes allows you to trap at almost any kernel address and execute a callback function. register_kprobe() establishes a probepoint and specifies the callback. Kprobes is useful for kernel debugging, non-intrusive instrumentation and testing. If in doubt, say "N". -endmenu + +endif # INSTRUMENTATION source "arch/i386/Kconfig.debug" diff --git a/arch/i386/Makefile b/arch/i386/Makefile index bd28f9f..181cc29 100644 --- a/arch/i386/Makefile +++ b/arch/i386/Makefile @@ -108,6 +108,7 @@ drivers-$(CONFIG_PCI) += arch/i386/pci/ # must be linked after kernel/ drivers-$(CONFIG_OPROFILE) += arch/i386/oprofile/ drivers-$(CONFIG_PM) += arch/i386/power/ +drivers-$(CONFIG_FB) += arch/i386/video/ CFLAGS += $(mflags-y) AFLAGS += $(mflags-y) diff --git a/arch/i386/kernel/apm.c b/arch/i386/kernel/apm.c index 4112afe..47001d5 100644 --- a/arch/i386/kernel/apm.c +++ b/arch/i386/kernel/apm.c @@ -222,6 +222,7 @@ #include <linux/capability.h> #include <linux/device.h> #include <linux/kernel.h> +#include <linux/freezer.h> #include <linux/smp.h> #include <linux/dmi.h> #include <linux/suspend.h> @@ -2311,7 +2312,6 @@ static int __init apm_init(void) remove_proc_entry("apm", NULL); return err; } - kapmd_task->flags |= PF_NOFREEZE; wake_up_process(kapmd_task); if (num_online_cpus() > 1 && !smp ) { diff --git a/arch/i386/kernel/head.S b/arch/i386/kernel/head.S index f74dfc4..8271466 100644 --- a/arch/i386/kernel/head.S +++ b/arch/i386/kernel/head.S @@ -168,6 +168,12 @@ page_pde_offset = (__PAGE_OFFSET >> 20); .section .init.text,"ax",@progbits #endif + /* Do an early initialization of the fixmap area */ + movl $(swapper_pg_dir - __PAGE_OFFSET), %edx + movl $(swapper_pg_pmd - __PAGE_OFFSET), %eax + addl $0x007, %eax /* 0x007 = PRESENT+RW+USER */ + movl %eax, 4092(%edx) + #ifdef CONFIG_SMP ENTRY(startup_32_smp) cld @@ -507,6 +513,8 @@ ENTRY(_stext) .section ".bss.page_aligned","w" ENTRY(swapper_pg_dir) .fill 1024,4,0 +ENTRY(swapper_pg_pmd) + .fill 1024,4,0 ENTRY(empty_zero_page) .fill 4096,1,0 diff --git a/arch/i386/kernel/io_apic.c b/arch/i386/kernel/io_apic.c index 7f8b7af..21db8f5 100644 --- a/arch/i386/kernel/io_apic.c +++ b/arch/i386/kernel/io_apic.c @@ -667,6 +667,7 @@ static int balanced_irq(void *unused) set_pending_irq(i, cpumask_of_cpu(0)); } + set_freezable(); for ( ; ; ) { time_remaining = schedule_timeout_interruptible(time_remaining); try_to_freeze(); diff --git a/arch/i386/kernel/nmi.c b/arch/i386/kernel/nmi.c index fba121f..03b7f55 100644 --- a/arch/i386/kernel/nmi.c +++ b/arch/i386/kernel/nmi.c @@ -295,7 +295,7 @@ static unsigned int last_irq_sums [NR_CPUS], alert_counter [NR_CPUS]; -void touch_nmi_watchdog (void) +void touch_nmi_watchdog(void) { if (nmi_watchdog > 0) { unsigned cpu; @@ -304,8 +304,10 @@ void touch_nmi_watchdog (void) * Just reset the alert counters, (other CPUs might be * spinning on locks we hold): */ - for_each_present_cpu (cpu) - alert_counter[cpu] = 0; + for_each_present_cpu(cpu) { + if (alert_counter[cpu]) + alert_counter[cpu] = 0; + } } /* diff --git a/arch/i386/kernel/process.c b/arch/i386/kernel/process.c index 06dfa65..6c49acb 100644 --- a/arch/i386/kernel/process.c +++ b/arch/i386/kernel/process.c @@ -538,8 +538,31 @@ int dump_task_regs(struct task_struct *tsk, elf_gregset_t *regs) return 1; } -static noinline void __switch_to_xtra(struct task_struct *next_p, - struct tss_struct *tss) +#ifdef CONFIG_SECCOMP +void hard_disable_TSC(void) +{ + write_cr4(read_cr4() | X86_CR4_TSD); +} +void disable_TSC(void) +{ + preempt_disable(); + if (!test_and_set_thread_flag(TIF_NOTSC)) + /* + * Must flip the CPU state synchronously with + * TIF_NOTSC in the current running context. + */ + hard_disable_TSC(); + preempt_enable(); +} +void hard_enable_TSC(void) +{ + write_cr4(read_cr4() & ~X86_CR4_TSD); +} +#endif /* CONFIG_SECCOMP */ + +static noinline void +__switch_to_xtra(struct task_struct *prev_p, struct task_struct *next_p, + struct tss_struct *tss) { struct thread_struct *next; @@ -555,6 +578,17 @@ static noinline void __switch_to_xtra(struct task_struct *next_p, set_debugreg(next->debugreg[7], 7); } +#ifdef CONFIG_SECCOMP + if (test_tsk_thread_flag(prev_p, TIF_NOTSC) ^ + test_tsk_thread_flag(next_p, TIF_NOTSC)) { + /* prev and next are different */ + if (test_tsk_thread_flag(next_p, TIF_NOTSC)) + hard_disable_TSC(); + else + hard_enable_TSC(); + } +#endif + if (!test_tsk_thread_flag(next_p, TIF_IO_BITMAP)) { /* * Disable the bitmap via an invalid offset. We still cache @@ -586,33 +620,6 @@ static noinline void __switch_to_xtra(struct task_struct *next_p, } /* - * This function selects if the context switch from prev to next - * has to tweak the TSC disable bit in the cr4. - */ -static inline void disable_tsc(struct task_struct *prev_p, - struct task_struct *next_p) -{ - struct thread_info *prev, *next; - - /* - * gcc should eliminate the ->thread_info dereference if - * has_secure_computing returns 0 at compile time (SECCOMP=n). - */ - prev = task_thread_info(prev_p); - next = task_thread_info(next_p); - - if (has_secure_computing(prev) || has_secure_computing(next)) { - /* slow path here */ - if (has_secure_computing(prev) && - !has_secure_computing(next)) { - write_cr4(read_cr4() & ~X86_CR4_TSD); - } else if (!has_secure_computing(prev) && - has_secure_computing(next)) - write_cr4(read_cr4() | X86_CR4_TSD); - } -} - -/* * switch_to(x,yn) should switch tasks from x to y. * * We fsave/fwait so that an exception goes off at the right time @@ -689,11 +696,9 @@ struct task_struct fastcall * __switch_to(struct task_struct *prev_p, struct tas /* * Now maybe handle debug registers and/or IO bitmaps */ - if (unlikely((task_thread_info(next_p)->flags & _TIF_WORK_CTXSW) - || test_tsk_thread_flag(prev_p, TIF_IO_BITMAP))) - __switch_to_xtra(next_p, tss); - - disable_tsc(prev_p, next_p); + if (unlikely(task_thread_info(prev_p)->flags & _TIF_WORK_CTXSW_PREV || + task_thread_info(next_p)->flags & _TIF_WORK_CTXSW_NEXT)) + __switch_to_xtra(prev_p, next_p, tss); /* * Leave lazy mode, flushing any hypercalls made here. diff --git a/arch/i386/kernel/ptrace.c b/arch/i386/kernel/ptrace.c index 0c0ceec..1c075f5 100644 --- a/arch/i386/kernel/ptrace.c +++ b/arch/i386/kernel/ptrace.c @@ -358,17 +358,9 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) switch (request) { /* when I and D space are separate, these will need to be fixed. */ case PTRACE_PEEKTEXT: /* read word at location addr. */ - case PTRACE_PEEKDATA: { - unsigned long tmp; - int copied; - - copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0); - ret = -EIO; - if (copied != sizeof(tmp)) - break; - ret = put_user(tmp, datap); + case PTRACE_PEEKDATA: + ret = generic_ptrace_peekdata(child, addr, data); break; - } /* read the word at location addr in the USER area. */ case PTRACE_PEEKUSR: { @@ -395,10 +387,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) /* when I and D space are separate, this will have to be fixed. */ case PTRACE_POKETEXT: /* write the word at location addr. */ case PTRACE_POKEDATA: - ret = 0; - if (access_process_vm(child, addr, &data, sizeof(data), 1) == sizeof(data)) - break; - ret = -EIO; + ret = generic_ptrace_pokedata(child, addr, data); break; case PTRACE_POKEUSR: /* write the word at location addr in the USER area */ diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c index 90da057..18c1c28 100644 --- a/arch/i386/kernel/traps.c +++ b/arch/i386/kernel/traps.c @@ -390,7 +390,7 @@ void die(const char * str, struct pt_regs * regs, long err) unsigned long esp; unsigned short ss; - report_bug(regs->eip); + report_bug(regs->eip, regs); printk(KERN_EMERG "%s: %04lx [#%d]\n", str, err & 0xffff, ++die_counter); #ifdef CONFIG_PREEMPT @@ -433,6 +433,7 @@ void die(const char * str, struct pt_regs * regs, long err) bust_spinlocks(0); die.lock_owner = -1; + add_taint(TAINT_DIE); spin_unlock_irqrestore(&die.lock, flags); if (!regs) diff --git a/arch/i386/video/Makefile b/arch/i386/video/Makefile new file mode 100644 index 0000000..2c447c9 --- /dev/null +++ b/arch/i386/video/Makefile @@ -0,0 +1 @@ +obj-$(CONFIG_FB) += fbdev.o diff --git a/arch/i386/video/fbdev.c b/arch/i386/video/fbdev.c new file mode 100644 index 0000000..48fb38d --- /dev/null +++ b/arch/i386/video/fbdev.c @@ -0,0 +1,32 @@ +/* + * arch/i386/video/fbdev.c - i386 Framebuffer + * + * Copyright (C) 2007 Antonino Daplas <adaplas@gmail.com> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive + * for more details. + * + */ +#include <linux/fb.h> +#include <linux/pci.h> + +int fb_is_primary_device(struct fb_info *info) +{ + struct device *device = info->device; + struct pci_dev *pci_dev = NULL; + struct resource *res = NULL; + int retval = 0; + + if (device) + pci_dev = to_pci_dev(device); + + if (pci_dev) + res = &pci_dev->resource[PCI_ROM_RESOURCE]; + + if (res && res->flags & IORESOURCE_ROM_SHADOW) + retval = 1; + + return retval; +} +EXPORT_SYMBOL(fb_is_primary_device); diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index db9ddff..616c96e 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -582,8 +582,8 @@ menu "Instrumentation Support" source "arch/ia64/oprofile/Kconfig" config KPROBES - bool "Kprobes (EXPERIMENTAL)" - depends on KALLSYMS && EXPERIMENTAL && MODULES + bool "Kprobes" + depends on KALLSYMS && MODULES help Kprobes allows you to trap at almost any kernel address and execute a callback function. register_kprobe() establishes diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c index c1dca22..cd4adf5 100644 --- a/arch/ia64/hp/common/sba_iommu.c +++ b/arch/ia64/hp/common/sba_iommu.c @@ -34,6 +34,7 @@ #include <linux/efi.h> #include <linux/nodemask.h> #include <linux/bitops.h> /* hweight64() */ +#include <linux/crash_dump.h> #include <asm/delay.h> /* ia64_get_itc() */ #include <asm/io.h> @@ -43,6 +44,8 @@ #include <asm/acpi-ext.h> +extern int swiotlb_late_init_with_default_size (size_t size); + #define PFX "IOC: " /* @@ -2026,11 +2029,24 @@ sba_init(void) if (!ia64_platform_is("hpzx1") && !ia64_platform_is("hpzx1_swiotlb")) return 0; +#if defined(CONFIG_IA64_GENERIC) && defined(CONFIG_CRASH_DUMP) + /* If we are booting a kdump kernel, the sba_iommu will + * cause devices that were not shutdown properly to MCA + * as soon as they are turned back on. Our only option for + * a successful kdump kernel boot is to use the swiotlb. + */ + if (elfcorehdr_addr < ELFCORE_ADDR_MAX) { + if (swiotlb_late_init_with_default_size(64 * (1<<20)) != 0) + panic("Unable to initialize software I/O TLB:" + " Try machvec=dig boot option"); + machvec_init("dig"); + return 0; + } +#endif + acpi_bus_register_driver(&acpi_sba_ioc_driver); if (!ioc_list) { #ifdef CONFIG_IA64_GENERIC - extern int swiotlb_late_init_with_default_size (size_t size); - /* * If we didn't find something sba_iommu can claim, we * need to setup the swiotlb and switch to the dig machvec. diff --git a/arch/ia64/hp/sim/boot/fw-emu.c b/arch/ia64/hp/sim/boot/fw-emu.c index 300acd9..1189d03 100644 --- a/arch/ia64/hp/sim/boot/fw-emu.c +++ b/arch/ia64/hp/sim/boot/fw-emu.c @@ -329,11 +329,6 @@ sys_fw_init (const char *args, int arglen) strcpy(sal_systab->product_id, "HP-simulator"); #endif -#ifdef CONFIG_IA64_SDV - strcpy(sal_systab->oem_id, "Intel"); - strcpy(sal_systab->product_id, "SDV"); -#endif - /* fill in an entry point: */ sal_ed->type = SAL_DESC_ENTRY_POINT; sal_ed->pal_proc = __pa(pal_desc[0]); diff --git a/arch/ia64/hp/sim/simserial.c b/arch/ia64/hp/sim/simserial.c index 324ea75..ef252df 100644 --- a/arch/ia64/hp/sim/simserial.c +++ b/arch/ia64/hp/sim/simserial.c @@ -36,10 +36,6 @@ #include <asm/hw_irq.h> #include <asm/uaccess.h> -#ifdef CONFIG_KDB -# include <linux/kdb.h> -#endif - #undef SIMSERIAL_DEBUG /* define this to get some debug information */ #define KEYBOARD_INTR 3 /* must match with simulator! */ diff --git a/arch/ia64/ia32/binfmt_elf32.c b/arch/ia64/ia32/binfmt_elf32.c index c05bda6..6f4d3d0 100644 --- a/arch/ia64/ia32/binfmt_elf32.c +++ b/arch/ia64/ia32/binfmt_elf32.c @@ -261,7 +261,7 @@ elf32_set_personality (void) } static unsigned long -elf32_map (struct file *filep, unsigned long addr, struct elf_phdr *eppnt, int prot, int type) +elf32_map (struct file *filep, unsigned long addr, struct elf_phdr *eppnt, int prot, int type, unsigned long unused) { unsigned long pgoff = (eppnt->p_vaddr) & ~IA32_PAGE_MASK; diff --git a/arch/ia64/ia32/ia32_entry.S b/arch/ia64/ia32/ia32_entry.S index 99b665e..06efd1f 100644 --- a/arch/ia64/ia32/ia32_entry.S +++ b/arch/ia64/ia32/ia32_entry.S @@ -304,7 +304,7 @@ ia32_syscall_table: data8 sys_ni_syscall /* init_module */ data8 sys_ni_syscall /* delete_module */ data8 sys_ni_syscall /* get_kernel_syms */ /* 130 */ - data8 sys_quotactl + data8 sys32_quotactl data8 sys_getpgid data8 sys_fchdir data8 sys_ni_syscall /* sys_bdflush */ diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c index 75ec347..73ca86d 100644 --- a/arch/ia64/kernel/efi.c +++ b/arch/ia64/kernel/efi.c @@ -28,6 +28,7 @@ #include <linux/time.h> #include <linux/efi.h> #include <linux/kexec.h> +#include <linux/mm.h> #include <asm/io.h> #include <asm/kregs.h> diff --git a/arch/ia64/kernel/fsys.S b/arch/ia64/kernel/fsys.S index 8589e84..3f926c2 100644 --- a/arch/ia64/kernel/fsys.S +++ b/arch/ia64/kernel/fsys.S @@ -247,6 +247,9 @@ ENTRY(fsys_gettimeofday) .time_redo: .pred.rel.mutex p8,p9,p10 ld4.acq r28 = [r29] // xtime_lock.sequence. Must come first for locking purposes + ;; + and r28 = ~1,r28 // Make sequence even to force retry if odd + ;; (p8) mov r2 = ar.itc // CPU_TIMER. 36 clocks latency!!! add r22 = IA64_TIME_INTERPOLATOR_LAST_COUNTER_OFFSET,r20 (p9) ld8 r2 = [r30] // readq(ti->address). Could also have latency issues.. @@ -284,7 +287,6 @@ EX(.fail_efault, probe.w.fault r31, 3) // This takes 5 cycles and we have spare (p15) ld8 r17 = [r19],-IA64_TIMESPEC_TV_NSEC_OFFSET (p7) cmp.ne p7,p0 = r25,r3 // if cmpxchg not successful redo // simulate tbit.nz.or p7,p0 = r28,0 - and r28 = ~1,r28 // Make sequence even to force retry if odd getf.sig r2 = f8 mf add r8 = r8,r18 // Add time interpolator offset diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c index 188fb73..4d9864c 100644 --- a/arch/ia64/kernel/setup.c +++ b/arch/ia64/kernel/setup.c @@ -390,10 +390,6 @@ early_console_setup (char *cmdline) if (!efi_setup_pcdp_console(cmdline)) earlycons++; #endif -#ifdef CONFIG_SERIAL_8250_CONSOLE - if (!early_serial_console_init(cmdline)) - earlycons++; -#endif return (earlycons) ? 0 : -1; } diff --git a/arch/ia64/kernel/traps.c b/arch/ia64/kernel/traps.c index 15ad85d..3aeaf15 100644 --- a/arch/ia64/kernel/traps.c +++ b/arch/ia64/kernel/traps.c @@ -69,6 +69,7 @@ die (const char *str, struct pt_regs *regs, long err) bust_spinlocks(0); die.lock_owner = -1; + add_taint(TAINT_DIE); spin_unlock_irq(&die.lock); if (panic_on_oops) diff --git a/arch/ia64/lib/checksum.c b/arch/ia64/lib/checksum.c index 4411d9b..9fc9550 100644 --- a/arch/ia64/lib/checksum.c +++ b/arch/ia64/lib/checksum.c @@ -60,6 +60,7 @@ csum_tcpudp_nofold (__be32 saddr, __be32 daddr, unsigned short len, result = (result & 0xffffffff) + (result >> 32); return (__force __wsum)result; } +EXPORT_SYMBOL(csum_tcpudp_nofold); extern unsigned long do_csum (const unsigned char *, long); diff --git a/arch/ia64/sn/kernel/sn2/sn_hwperf.c b/arch/ia64/sn/kernel/sn2/sn_hwperf.c index 6da9854..df8d5be 100644 --- a/arch/ia64/sn/kernel/sn2/sn_hwperf.c +++ b/arch/ia64/sn/kernel/sn2/sn_hwperf.c @@ -750,9 +750,10 @@ sn_hwperf_ioctl(struct inode *in, struct file *fp, u32 op, u64 arg) goto error; } else if ((r = sn_hwperf_enum_objects(&nobj, &objs)) == 0) { + int cpuobj_index = 0; + memset(p, 0, a.sz); for (i = 0; i < nobj; i++) { - int cpuobj_index = 0; if (!SN_HWPERF_IS_NODE(objs + i)) continue; node = sn_hwperf_obj_to_cnode(objs + i); diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig index c3bb8a75..8ccf3e4 100644 --- a/arch/m32r/Kconfig +++ b/arch/m32r/Kconfig @@ -31,6 +31,9 @@ config GENERIC_IRQ_PROBE config NO_IOPORT def_bool y +config NO_DMA + def_bool y + source "init/Kconfig" diff --git a/arch/m32r/kernel/ptrace.c b/arch/m32r/kernel/ptrace.c index 5f02b31..57a92ef 100644 --- a/arch/m32r/kernel/ptrace.c +++ b/arch/m32r/kernel/ptrace.c @@ -595,7 +595,6 @@ void ptrace_disable(struct task_struct *child) static int do_ptrace(long request, struct task_struct *child, long addr, long data) { - unsigned long tmp; int ret; switch (request) { @@ -604,11 +603,7 @@ do_ptrace(long request, struct task_struct *child, long addr, long data) */ case PTRACE_PEEKTEXT: case PTRACE_PEEKDATA: - ret = access_process_vm(child, addr, &tmp, sizeof(tmp), 0); - if (ret == sizeof(tmp)) - ret = put_user(tmp,(unsigned long __user *) data); - else - ret = -EIO; + ret = generic_ptrace_peekdata(child, addr, data); break; /* @@ -624,15 +619,9 @@ do_ptrace(long request, struct task_struct *child, long addr, long data) */ case PTRACE_POKETEXT: case PTRACE_POKEDATA: - ret = access_process_vm(child, addr, &data, sizeof(data), 1); - if (ret == sizeof(data)) { - ret = 0; - if (request == PTRACE_POKETEXT) { - invalidate_cache(); - } - } else { - ret = -EIO; - } + ret = generic_ptrace_pokedata(child, addr, data); + if (ret == 0 && request == PTRACE_POKETEXT) + invalidate_cache(); break; /* diff --git a/arch/m68k/kernel/ptrace.c b/arch/m68k/kernel/ptrace.c index cdba9fd..2cf0690 100644 --- a/arch/m68k/kernel/ptrace.c +++ b/arch/m68k/kernel/ptrace.c @@ -128,10 +128,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) /* when I and D space are separate, these will need to be fixed. */ case PTRACE_PEEKTEXT: /* read word at location addr. */ case PTRACE_PEEKDATA: - i = access_process_vm(child, addr, &tmp, sizeof(tmp), 0); - if (i != sizeof(tmp)) - goto out_eio; - ret = put_user(tmp, (unsigned long *)data); + ret = generic_ptrace_peekdata(child, addr, data); break; /* read the word at location addr in the USER area. */ @@ -160,8 +157,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) /* when I and D space are separate, this will have to be fixed. */ case PTRACE_POKETEXT: /* write the word at location addr. */ case PTRACE_POKEDATA: - if (access_process_vm(child, addr, &data, sizeof(data), 1) != sizeof(data)) - goto out_eio; + ret = generic_ptrace_pokedata(child, addr, data); break; case PTRACE_POKEUSR: /* write the word at location addr in the USER area */ diff --git a/arch/m68k/kernel/traps.c b/arch/m68k/kernel/traps.c index a27a4fa..4e2752a 100644 --- a/arch/m68k/kernel/traps.c +++ b/arch/m68k/kernel/traps.c @@ -1170,6 +1170,7 @@ void die_if_kernel (char *str, struct pt_regs *fp, int nr) console_verbose(); printk("%s: %08x\n",str,nr); show_registers(fp); + add_taint(TAINT_DIE); do_exit(SIGSEGV); } diff --git a/arch/m68k/lib/checksum.c b/arch/m68k/lib/checksum.c index cf6bb51..6216f12 100644 --- a/arch/m68k/lib/checksum.c +++ b/arch/m68k/lib/checksum.c @@ -422,3 +422,4 @@ csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum) ); return(sum); } +EXPORT_SYMBOL(csum_partial_copy_nocheck); diff --git a/arch/m68knommu/kernel/process.c b/arch/m68knommu/kernel/process.c index 941955d..846f975 100644 --- a/arch/m68knommu/kernel/process.c +++ b/arch/m68knommu/kernel/process.c @@ -377,7 +377,7 @@ unsigned long get_wchan(struct task_struct *p) fp = ((struct switch_stack *)p->thread.ksp)->a6; do { if (fp < stack_page+sizeof(struct thread_info) || - fp >= 8184+stack_page) + fp >= THREAD_SIZE-8+stack_page) return 0; pc = ((unsigned long *)fp)[1]; if (!in_sched_functions(pc)) diff --git a/arch/m68knommu/kernel/ptrace.c b/arch/m68knommu/kernel/ptrace.c index f54b6a3..ef70ca0 100644 --- a/arch/m68knommu/kernel/ptrace.c +++ b/arch/m68knommu/kernel/ptrace.c @@ -106,17 +106,9 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) switch (request) { /* when I and D space are separate, these will need to be fixed. */ case PTRACE_PEEKTEXT: /* read word at location addr. */ - case PTRACE_PEEKDATA: { - unsigned long tmp; - int copied; - - copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0); - ret = -EIO; - if (copied != sizeof(tmp)) - break; - ret = put_user(tmp,(unsigned long *) data); + case PTRACE_PEEKDATA: + ret = generic_ptrace_peekdata(child, addr, data); break; - } /* read the word at location addr in the USER area. */ case PTRACE_PEEKUSR: { @@ -159,10 +151,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) /* when I and D space are separate, this will have to be fixed. */ case PTRACE_POKETEXT: /* write the word at location addr. */ case PTRACE_POKEDATA: - ret = 0; - if (access_process_vm(child, addr, &data, sizeof(data), 1) == sizeof(data)) - break; - ret = -EIO; + ret = generic_ptrace_pokedata(child, addr, data); break; case PTRACE_POKEUSR: /* write the word at location addr in the USER area */ diff --git a/arch/m68knommu/kernel/setup.c b/arch/m68knommu/kernel/setup.c index 8133b10..80f4e9d 100644 --- a/arch/m68knommu/kernel/setup.c +++ b/arch/m68knommu/kernel/setup.c @@ -1,8 +1,8 @@ /* * linux/arch/m68knommu/kernel/setup.c * - * Copyright (C) 1999-2004 Greg Ungerer (gerg@snapgear.com) - * Copyright (C) 1998,1999 D. Jeff Dionne <jeff@lineo.ca> + * Copyright (C) 1999-2007 Greg Ungerer (gerg@snapgear.com) + * Copyright (C) 1998,1999 D. Jeff Dionne <jeff@uClinux.org> * Copyleft ()) 2000 James D. Schettine {james@telos-systems.com} * Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com> * Copyright (C) 1995 Hamish Macdonald @@ -20,17 +20,13 @@ #include <linux/sched.h> #include <linux/delay.h> #include <linux/interrupt.h> -#include <linux/fs.h> #include <linux/fb.h> #include <linux/module.h> #include <linux/console.h> -#include <linux/genhd.h> #include <linux/errno.h> #include <linux/string.h> -#include <linux/major.h> #include <linux/bootmem.h> #include <linux/seq_file.h> -#include <linux/root_dev.h> #include <linux/init.h> #include <asm/setup.h> @@ -46,34 +42,19 @@ EXPORT_SYMBOL(memory_end); char __initdata command_line[COMMAND_LINE_SIZE]; -/* setup some dummy routines */ -static void dummy_waitbut(void) -{ -} +void (*mach_trap_init)(void); -void (*mach_sched_init) (irq_handler_t handler); -void (*mach_tick)( void ); -/* machine dependent keyboard functions */ -int (*mach_keyb_init) (void); -int (*mach_kbdrate) (struct kbd_repeat *); -void (*mach_kbd_leds) (unsigned int); -/* machine dependent irq functions */ -void (*mach_init_IRQ) (void); -irq_handler_t mach_default_handler; -int (*mach_get_irq_list) (struct seq_file *, void *); -void (*mach_process_int) (int irq, struct pt_regs *fp); -void (*mach_trap_init) (void); /* machine dependent timer functions */ -unsigned long (*mach_gettimeoffset) (void); -void (*mach_gettod) (int*, int*, int*, int*, int*, int*); -int (*mach_hwclk) (int, struct rtc_time*); -int (*mach_set_clock_mmss) (unsigned long); -void (*mach_mksound)( unsigned int count, unsigned int ticks ); -void (*mach_reset)( void ); -void (*waitbut)(void) = dummy_waitbut; -void (*mach_debug_init)(void); -void (*mach_halt)( void ); -void (*mach_power_off)( void ); +void (*mach_sched_init)(irq_handler_t handler); +void (*mach_tick)(void); +void (*mach_gettod)(int*, int*, int*, int*, int*, int*); +int (*mach_set_clock_mmss)(unsigned long); +unsigned long (*mach_gettimeoffset)(void); + +/* machine dependent reboot functions */ +void (*mach_reset)(void); +void (*mach_halt)(void); +void (*mach_power_off)(void); #ifdef CONFIG_M68000 @@ -134,13 +115,6 @@ void (*mach_power_off)( void ); #define CPU "UNKNOWN" #endif -/* (es) */ -/* note: why is this defined here? the must be a better place to put this */ -#if defined( CONFIG_TELOS) || defined( CONFIG_UCDIMM ) || defined( CONFIG_UCSIMM ) || defined(CONFIG_DRAGEN2) || (defined( CONFIG_PILOT ) && defined( CONFIG_M68328 )) -#define CAT_ROMARRAY -#endif -/* (/es) */ - extern int _stext, _etext, _sdata, _edata, _sbss, _ebss, _end; extern int _ramstart, _ramend; @@ -148,15 +122,8 @@ void setup_arch(char **cmdline_p) { int bootmap_size; -#if defined(CAT_ROMARRAY) && defined(DEBUG) - extern int __data_rom_start; - extern int __data_start; - int *romarray = (int *)((int) &__data_rom_start + - (int)&_edata - (int)&__data_start); -#endif - memory_start = PAGE_ALIGN(_ramstart); - memory_end = _ramend; /* by now the stack is part of the init task */ + memory_end = _ramend; init_mm.start_code = (unsigned long) &_stext; init_mm.end_code = (unsigned long) &_etext; @@ -220,11 +187,7 @@ void setup_arch(char **cmdline_p) (int) &_sbss, (int) &_ebss); printk(KERN_DEBUG "KERNEL -> ROMFS=0x%06x-0x%06x MEM=0x%06x-0x%06x " "STACK=0x%06x-0x%06x\n", -#ifdef CAT_ROMARRAY - (int) romarray, ((int) romarray) + romarray[2], -#else (int) &_ebss, (int) memory_start, -#endif (int) memory_start, (int) memory_end, (int) memory_end, (int) _ramend); #endif diff --git a/arch/m68knommu/kernel/traps.c b/arch/m68knommu/kernel/traps.c index bed5f47..fde04e1 100644 --- a/arch/m68knommu/kernel/traps.c +++ b/arch/m68knommu/kernel/traps.c @@ -83,6 +83,7 @@ void die_if_kernel(char *str, struct pt_regs *fp, int nr) printk(KERN_EMERG "Process %s (pid: %d, stackpage=%08lx)\n", current->comm, current->pid, PAGE_SIZE+(unsigned long)current); show_stack(NULL, (unsigned long *)fp); + add_taint(TAINT_DIE); do_exit(SIGSEGV); } diff --git a/arch/m68knommu/mm/memory.c b/arch/m68knommu/mm/memory.c index 411e452..1a66b71 100644 --- a/arch/m68knommu/mm/memory.c +++ b/arch/m68knommu/mm/memory.c @@ -17,90 +17,14 @@ #include <linux/types.h> #include <linux/slab.h> -#include <asm/setup.h> #include <asm/segment.h> #include <asm/page.h> #include <asm/pgtable.h> #include <asm/system.h> -#include <asm/traps.h> -#include <asm/io.h> /* - * cache_clear() semantics: Clear any cache entries for the area in question, - * without writing back dirty entries first. This is useful if the data will - * be overwritten anyway, e.g. by DMA to memory. The range is defined by a - * _physical_ address. - */ - -void cache_clear (unsigned long paddr, int len) -{ -} - - -/* - * Define cache invalidate functions. The ColdFire 5407 is really - * the only processor that needs to do some work here. Anything - * that has separate data and instruction caches will be a problem. - */ -#ifdef CONFIG_M5407 - -static __inline__ void cache_invalidate_lines(unsigned long paddr, int len) -{ - unsigned long sset, eset; - - sset = (paddr & 0x00000ff0); - eset = ((paddr + len) & 0x0000ff0) + 0x10; - - __asm__ __volatile__ ( - "nop\n\t" - "clrl %%d0\n\t" - "1:\n\t" - "movel %0,%%a0\n\t" - "addl %%d0,%%a0\n\t" - "2:\n\t" - ".word 0xf4e8\n\t" - "addl #0x10,%%a0\n\t" - "cmpl %1,%%a0\n\t" - "blt 2b\n\t" - "addql #1,%%d0\n\t" - "cmpil #4,%%d0\n\t" - "bne 1b" - : : "a" (sset), "a" (eset) : "d0", "a0" ); -} - -#else -#define cache_invalidate_lines(a,b) -#endif - - -/* - * cache_push() semantics: Write back any dirty cache data in the given area, - * and invalidate the range in the instruction cache. It needs not (but may) - * invalidate those entries also in the data cache. The range is defined by a - * _physical_ address. - */ - -void cache_push (unsigned long paddr, int len) -{ - cache_invalidate_lines(paddr, len); -} - - -/* - * cache_push_v() semantics: Write back any dirty cache data in the given - * area, and invalidate those entries at least in the instruction cache. This - * is intended to be used after data has been written that can be executed as - * code later. The range is defined by a _user_mode_ _virtual_ address (or, - * more exactly, the space is defined by the %sfc/%dfc register.) - */ - -void cache_push_v (unsigned long vaddr, int len) -{ - cache_invalidate_lines(vaddr, len); -} - -/* Map some physical address range into the kernel address space. The - * code is copied and adapted from map_chunk(). + * Map some physical address range into the kernel address space. + * The code is copied and adapted from map_chunk(). */ unsigned long kernel_map(unsigned long paddr, unsigned long size, diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c index b5a7b46..893e7bc 100644 --- a/arch/mips/kernel/ptrace.c +++ b/arch/mips/kernel/ptrace.c @@ -174,17 +174,9 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) switch (request) { /* when I and D space are separate, these will need to be fixed. */ case PTRACE_PEEKTEXT: /* read word at location addr. */ - case PTRACE_PEEKDATA: { - unsigned long tmp; - int copied; - - copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0); - ret = -EIO; - if (copied != sizeof(tmp)) - break; - ret = put_user(tmp,(unsigned long __user *) data); + case PTRACE_PEEKDATA: + ret = generic_ptrace_peekdata(child, addr, data); break; - } /* Read the word at location addr in the USER area. */ case PTRACE_PEEKUSR: { @@ -313,11 +305,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) /* when I and D space are separate, this will have to be fixed. */ case PTRACE_POKETEXT: /* write the word at location addr. */ case PTRACE_POKEDATA: - ret = 0; - if (access_process_vm(child, addr, &data, sizeof(data), 1) - == sizeof(data)) - break; - ret = -EIO; + ret = generic_ptrace_pokedata(child, addr, data); break; case PTRACE_POKEUSR: { diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 37c562c..ce277cb 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -326,6 +326,7 @@ void __noreturn die(const char * str, struct pt_regs * regs) #endif /* CONFIG_MIPS_MT_SMTC */ printk("%s[#%d]:\n", str, ++die_counter); show_registers(regs); + add_taint(TAINT_DIE); spin_unlock_irq(&die_lock); if (in_interrupt()) diff --git a/arch/mips/sibyte/bcm1480/setup.c b/arch/mips/sibyte/bcm1480/setup.c index bdaac34..89f2923 100644 --- a/arch/mips/sibyte/bcm1480/setup.c +++ b/arch/mips/sibyte/bcm1480/setup.c @@ -31,6 +31,7 @@ unsigned int sb1_pass; unsigned int soc_pass; unsigned int soc_type; +EXPORT_SYMBOL(soc_type); unsigned int periph_rev; unsigned int zbbus_mhz; diff --git a/arch/mips/sibyte/sb1250/setup.c b/arch/mips/sibyte/sb1250/setup.c index f4a6169..2d5c6d8b 100644 --- a/arch/mips/sibyte/sb1250/setup.c +++ b/arch/mips/sibyte/sb1250/setup.c @@ -31,6 +31,7 @@ unsigned int sb1_pass; unsigned int soc_pass; unsigned int soc_type; +EXPORT_SYMBOL(soc_type); unsigned int periph_rev; unsigned int zbbus_mhz; EXPORT_SYMBOL(zbbus_mhz); diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c index 8a0db37..26ec774 100644 --- a/arch/parisc/kernel/ptrace.c +++ b/arch/parisc/kernel/ptrace.c @@ -87,10 +87,9 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) switch (request) { case PTRACE_PEEKTEXT: /* read word at location addr. */ case PTRACE_PEEKDATA: { - int copied; - #ifdef CONFIG_64BIT if (__is_compat_task(child)) { + int copied; unsigned int tmp; addr &= 0xffffffffL; @@ -105,15 +104,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) } else #endif - { - unsigned long tmp; - - copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0); - ret = -EIO; - if (copied != sizeof(tmp)) - goto out_tsk; - ret = put_user(tmp,(unsigned long *) data); - } + ret = generic_ptrace_peekdata(child, addr, data); goto out_tsk; } diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c index c3ec9f1..bbf029a 100644 --- a/arch/parisc/kernel/traps.c +++ b/arch/parisc/kernel/traps.c @@ -264,6 +264,7 @@ KERN_CRIT " || ||\n"); show_regs(regs); dump_stack(); + add_taint(TAINT_DIE); if (in_interrupt()) panic("Fatal exception in interrupt"); @@ -302,7 +303,7 @@ static void handle_break(struct pt_regs *regs) if (unlikely(iir == PARISC_BUG_BREAK_INSN && !user_mode(regs))) { /* check if a BUG() or WARN() trapped here. */ enum bug_trap_type tt; - tt = report_bug(regs->iaoq[0] & ~3); + tt = report_bug(regs->iaoq[0] & ~3, regs); if (tt == BUG_TRAP_TYPE_WARN) { regs->iaoq[0] += 4; regs->iaoq[1] += 4; diff --git a/arch/parisc/kernel/unwind.c b/arch/parisc/kernel/unwind.c index 3221677..cf780cb 100644 --- a/arch/parisc/kernel/unwind.c +++ b/arch/parisc/kernel/unwind.c @@ -242,7 +242,7 @@ static void unwind_frame_regs(struct unwind_frame_info *info) #ifdef CONFIG_KALLSYMS /* Handle some frequent special cases.... */ { - char symname[KSYM_NAME_LEN+1]; + char symname[KSYM_NAME_LEN]; char *modname; kallsyms_lookup(info->ip, NULL, NULL, &modname, diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 6beee32..d860b64 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -4,17 +4,7 @@ mainmenu "Linux/PowerPC Kernel Configuration" -config PPC64 - bool "64-bit kernel" - default n - help - This option selects whether a 32-bit or a 64-bit kernel - will be built. - -config PPC_PM_NEEDS_RTC_LIB - bool - select RTC_LIB - default y if PM +source "arch/powerpc/platforms/Kconfig.cputype" config PPC32 bool @@ -66,6 +56,9 @@ config GENERIC_FIND_NEXT_BIT bool default y +config ARCH_NO_VIRT_TO_BUS + def_bool PPC64 + config PPC bool default y @@ -132,123 +125,6 @@ config PPC64_SWSUSP depends on PPC64 && (BROKEN || (PPC_PMAC64 && EXPERIMENTAL)) default y -menu "Processor support" -choice - prompt "Processor Type" - depends on PPC32 - default 6xx - -config CLASSIC32 - bool "52xx/6xx/7xx/74xx" - select PPC_FPU - select 6xx - help - There are four families of PowerPC chips supported. The more common - types (601, 603, 604, 740, 750, 7400), the Motorola embedded - versions (821, 823, 850, 855, 860, 52xx, 82xx, 83xx), the AMCC - embedded versions (403 and 405) and the high end 64 bit Power - processors (POWER 3, POWER4, and IBM PPC970 also known as G5). - - This option is the catch-all for 6xx types, including some of the - embedded versions. Unless there is see an option for the specific - chip family you are using, you want this option. - - You do not want this if you are building a kernel for a 64 bit - IBM RS/6000 or an Apple G5, choose 6xx. - - If unsure, select this option - - Note that the kernel runs in 32-bit mode even on 64-bit chips. - -config PPC_82xx - bool "Freescale 82xx" - select 6xx - select PPC_FPU - -config PPC_83xx - bool "Freescale 83xx" - select 6xx - select FSL_SOC - select 83xx - select PPC_FPU - select WANT_DEVICE_TREE - -config PPC_85xx - bool "Freescale 85xx" - select E500 - select FSL_SOC - select 85xx - select WANT_DEVICE_TREE - -config PPC_86xx - bool "Freescale 86xx" - select 6xx - select FSL_SOC - select FSL_PCIE - select PPC_FPU - select ALTIVEC - help - The Freescale E600 SoCs have 74xx cores. - -config PPC_8xx - bool "Freescale 8xx" - select FSL_SOC - select 8xx - -config 40x - bool "AMCC 40x" - select PPC_DCR_NATIVE - -config 44x - bool "AMCC 44x" - select PPC_DCR_NATIVE - select WANT_DEVICE_TREE - -config E200 - bool "Freescale e200" - -endchoice - -config POWER4_ONLY - bool "Optimize for POWER4" - depends on PPC64 - default n - ---help--- - Cause the compiler to optimize for POWER4/POWER5/PPC970 processors. - The resulting binary will not work on POWER3 or RS64 processors - when compiled with binutils 2.15 or later. - -config POWER3 - bool - depends on PPC64 - default y if !POWER4_ONLY - -config POWER4 - depends on PPC64 - def_bool y - -config 6xx - bool - -# this is temp to handle compat with arch=ppc -config 8xx - bool - -# this is temp to handle compat with arch=ppc -config 83xx - bool - -# this is temp to handle compat with arch=ppc -config 85xx - bool - -config E500 - bool - -config PPC_FPU - bool - default y if PPC64 - config PPC_DCR_NATIVE bool default n @@ -267,134 +143,6 @@ config PPC_OF_PLATFORM_PCI depends on PPC64 # not supported on 32 bits yet default n -config 4xx - bool - depends on 40x || 44x - default y - -config BOOKE - bool - depends on E200 || E500 || 44x - default y - -config FSL_BOOKE - bool - depends on E200 || E500 - default y - -config PTE_64BIT - bool - depends on 44x || E500 - default y if 44x - default y if E500 && PHYS_64BIT - -config PHYS_64BIT - bool 'Large physical address support' if E500 - depends on 44x || E500 - select RESOURCES_64BIT - default y if 44x - ---help--- - This option enables kernel support for larger than 32-bit physical - addresses. This features is not be available on all e500 cores. - - If in doubt, say N here. - -config ALTIVEC - bool "AltiVec Support" - depends on CLASSIC32 || POWER4 - ---help--- - This option enables kernel support for the Altivec extensions to the - PowerPC processor. The kernel currently supports saving and restoring - altivec registers, and turning on the 'altivec enable' bit so user - processes can execute altivec instructions. - - This option is only usefully if you have a processor that supports - altivec (G4, otherwise known as 74xx series), but does not have - any affect on a non-altivec cpu (it does, however add code to the - kernel). - - If in doubt, say Y here. - -config SPE - bool "SPE Support" - depends on E200 || E500 - default y - ---help--- - This option enables kernel support for the Signal Processing - Extensions (SPE) to the PowerPC processor. The kernel currently - supports saving and restoring SPE registers, and turning on the - 'spe enable' bit so user processes can execute SPE instructions. - - This option is only useful if you have a processor that supports - SPE (e500, otherwise known as 85xx series), but does not have any - effect on a non-spe cpu (it does, however add code to the kernel). - - If in doubt, say Y here. - -config PPC_STD_MMU - bool - depends on 6xx || POWER3 || POWER4 || PPC64 - default y - -config PPC_STD_MMU_32 - def_bool y - depends on PPC_STD_MMU && PPC32 - -config PPC_MM_SLICES - bool - default y if HUGETLB_PAGE - default n - -config VIRT_CPU_ACCOUNTING - bool "Deterministic task and CPU time accounting" - depends on PPC64 - default y - help - Select this option to enable more accurate task and CPU time - accounting. This is done by reading a CPU counter on each - kernel entry and exit and on transitions within the kernel - between system, softirq and hardirq state, so there is a - small performance impact. This also enables accounting of - stolen time on logically-partitioned systems running on - IBM POWER5-based machines. - - If in doubt, say Y here. - -config SMP - depends on PPC_STD_MMU - bool "Symmetric multi-processing support" - ---help--- - This enables support for systems with more than one CPU. If you have - a system with only one CPU, say N. If you have a system with more - than one CPU, say Y. Note that the kernel does not currently - support SMP machines with 603/603e/603ev or PPC750 ("G3") processors - since they have inadequate hardware support for multiprocessor - operation. - - If you say N here, the kernel will run on single and multiprocessor - machines, but will use only one CPU of a multiprocessor machine. If - you say Y here, the kernel will run on single-processor machines. - On a single-processor machine, the kernel will run faster if you say - N here. - - If you don't know what to do here, say N. - -config NR_CPUS - int "Maximum number of CPUs (2-128)" - range 2 128 - depends on SMP - default "32" if PPC64 - default "4" - -config NOT_COHERENT_CACHE - bool - depends on 4xx || 8xx || E200 - default y - -config CONFIG_CHECK_CACHE_COHERENCY - bool -endmenu - source "init/Kconfig" source "arch/powerpc/platforms/Kconfig" @@ -674,10 +422,6 @@ config SBUS config FSL_SOC bool -config FSL_PCIE - bool - depends on PPC_86xx - # Yes MCA RS/6000s exist but Linux-PPC does not currently support any config MCA bool @@ -685,10 +429,10 @@ config MCA config PCI bool "PCI support" if 40x || CPM2 || PPC_83xx || PPC_85xx || PPC_86xx \ || PPC_MPC52xx || (EMBEDDED && (PPC_PSERIES || PPC_ISERIES)) \ - || MPC7448HPC2 || PPC_PS3 || PPC_HOLLY - default y if !40x && !CPM2 && !8xx && !APUS && !PPC_83xx \ + || PPC_PS3 + default y if !40x && !CPM2 && !8xx && !PPC_83xx \ && !PPC_85xx && !PPC_86xx - default PCI_PERMEDIA if !4xx && !CPM2 && !8xx && APUS + default PCI_PERMEDIA if !4xx && !CPM2 && !8xx default PCI_QSPAN if !4xx && !CPM2 && 8xx select ARCH_SUPPORTS_MSI help @@ -896,8 +640,8 @@ menu "Instrumentation Support" source "arch/powerpc/oprofile/Kconfig" config KPROBES - bool "Kprobes (EXPERIMENTAL)" - depends on !BOOKE && !4xx && KALLSYMS && EXPERIMENTAL && MODULES + bool "Kprobes" + depends on !BOOKE && !4xx && KALLSYMS && MODULES help Kprobes allows you to trap at almost any kernel address and execute a callback function. register_kprobe() establishes diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index fbafd96..187a39a 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -148,7 +148,7 @@ all: $(KBUILD_IMAGE) CPPFLAGS_vmlinux.lds := -Upowerpc -BOOT_TARGETS = zImage zImage.initrd zImage.dts zImage.dts_initrd uImage +BOOT_TARGETS = zImage zImage.initrd uImage PHONY += $(BOOT_TARGETS) diff --git a/arch/powerpc/boot/44x.c b/arch/powerpc/boot/44x.c index d51377d..9f64e84 100644 --- a/arch/powerpc/boot/44x.c +++ b/arch/powerpc/boot/44x.c @@ -38,3 +38,48 @@ void ibm44x_fixup_memsize(void) dt_fixup_memory(0, memsize); } + +#define SPRN_DBCR0 0x134 +#define DBCR0_RST_SYSTEM 0x30000000 + +void ibm44x_dbcr_reset(void) +{ + unsigned long tmp; + + asm volatile ( + "mfspr %0,%1\n" + "oris %0,%0,%2@h\n" + "mtspr %1,%0" + : "=&r"(tmp) : "i"(SPRN_DBCR0), "i"(DBCR0_RST_SYSTEM) + ); + +} + +/* Read 4xx EBC bus bridge registers to get mappings of the peripheral + * banks into the OPB address space */ +void ibm4xx_fixup_ebc_ranges(const char *ebc) +{ + void *devp; + u32 bxcr; + u32 ranges[EBC_NUM_BANKS*4]; + u32 *p = ranges; + int i; + + for (i = 0; i < EBC_NUM_BANKS; i++) { + mtdcr(DCRN_EBC0_CFGADDR, EBC_BXCR(i)); + bxcr = mfdcr(DCRN_EBC0_CFGDATA); + + if ((bxcr & EBC_BXCR_BU) != EBC_BXCR_BU_OFF) { + *p++ = i; + *p++ = 0; + *p++ = bxcr & EBC_BXCR_BAS; + *p++ = EBC_BXCR_BANK_SIZE(bxcr); + } + } + + devp = finddevice(ebc); + if (! devp) + fatal("Couldn't locate EBC node %s\n\r", ebc); + + setprop(devp, "ranges", ranges, (p - ranges) * sizeof(u32)); +} diff --git a/arch/powerpc/boot/44x.h b/arch/powerpc/boot/44x.h index 7b129ad..577982c 100644 --- a/arch/powerpc/boot/44x.h +++ b/arch/powerpc/boot/44x.h @@ -11,6 +11,9 @@ #define _PPC_BOOT_44X_H_ void ibm44x_fixup_memsize(void); +void ibm4xx_fixup_ebc_ranges(const char *ebc); + +void ibm44x_dbcr_reset(void); void ebony_init(void *mac0, void *mac1); #endif /* _PPC_BOOT_44X_H_ */ diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index ff27019..61a6f34 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -43,10 +43,11 @@ $(addprefix $(obj)/,$(zlib) gunzip_util.o main.o): \ src-wlib := string.S crt0.S stdio.c main.c flatdevtree.c flatdevtree_misc.c \ ns16550.c serial.c simple_alloc.c div64.S util.S \ - gunzip_util.c elf_util.c $(zlib) devtree.c \ - 44x.c ebony.c mv64x60.c mpsc.c mv64x60_i2c.c + gunzip_util.c elf_util.c $(zlib) devtree.c oflib.c ofconsole.c \ + 44x.c ebony.c mv64x60.c mpsc.c mv64x60_i2c.c cuboot.c src-plat := of.c cuboot-83xx.c cuboot-85xx.c holly.c \ - cuboot-ebony.c treeboot-ebony.c prpmc2800.c + cuboot-ebony.c treeboot-ebony.c prpmc2800.c \ + ps3-head.S ps3-hvcall.S ps3.c src-boot := $(src-wlib) $(src-plat) empty.c src-boot := $(addprefix $(obj)/, $(src-boot)) @@ -75,11 +76,11 @@ $(addprefix $(obj)/,$(zliblinuxheader)): $(obj)/%: $(srctree)/include/linux/% $(obj)/empty.c: @touch $@ -$(obj)/zImage.lds $(obj)/zImage.coff.lds: $(obj)/%: $(srctree)/$(src)/%.S +$(obj)/zImage.lds $(obj)/zImage.coff.lds $(obj)/zImage.ps3.lds: $(obj)/%: $(srctree)/$(src)/%.S @cp $< $@ clean-files := $(zlib) $(zlibheader) $(zliblinuxheader) \ - empty.c zImage.coff.lds zImage.lds + empty.c zImage zImage.coff.lds zImage.ps3.lds zImage.lds quiet_cmd_bootcc = BOOTCC $@ cmd_bootcc = $(CROSS32CC) -Wp,-MD,$(depfile) $(BOOTCFLAGS) -c -o $@ $< @@ -102,7 +103,7 @@ hostprogs-y := addnote addRamDisk hack-coff mktree targets += $(patsubst $(obj)/%,%,$(obj-boot) wrapper.a) extra-y := $(obj)/wrapper.a $(obj-plat) $(obj)/empty.o \ - $(obj)/zImage.lds $(obj)/zImage.coff.lds + $(obj)/zImage.lds $(obj)/zImage.coff.lds $(obj)/zImage.ps3.lds wrapper :=$(srctree)/$(src)/wrapper wrapperbits := $(extra-y) $(addprefix $(obj)/,addnote hack-coff mktree) \ @@ -132,7 +133,7 @@ image-$(CONFIG_PPC_CELLEB) += zImage.pseries image-$(CONFIG_PPC_CHRP) += zImage.chrp image-$(CONFIG_PPC_EFIKA) += zImage.chrp image-$(CONFIG_PPC_PMAC) += zImage.pmac -image-$(CONFIG_PPC_HOLLY) += zImage.holly-elf +image-$(CONFIG_PPC_HOLLY) += zImage.holly image-$(CONFIG_PPC_PRPMC2800) += zImage.prpmc2800 image-$(CONFIG_PPC_ISERIES) += zImage.iseries image-$(CONFIG_DEFAULT_UIMAGE) += uImage @@ -157,55 +158,43 @@ targets += $(image-y) $(initrd-y) $(addprefix $(obj)/, $(initrd-y)): $(obj)/ramdisk.image.gz -dts- := $(patsubst zImage%, zImage.dts%, $(image-n) $(image-)) -dts-y := $(patsubst zImage%, zImage.dts%, $(image-y)) -dts-y := $(filter-out $(image-y), $(dts-y)) -targets += $(image-y) $(dts-y) - -dts_initrd- := $(patsubst zImage%, zImage.dts_initrd%, $(image-n) $(image-)) -dts_initrd-y := $(patsubst zImage%, zImage.dts_initrd%, $(image-y)) -dts_initrd-y := $(filter-out $(image-y), $(dts_initrd-y)) -targets += $(image-y) $(dts_initrd-y) - -$(addprefix $(obj)/, $(dts_initrd-y)): $(obj)/ramdisk.image.gz +# If CONFIG_WANT_DEVICE_TREE is set and CONFIG_DEVICE_TREE isn't an +# empty string, define 'dts' to be path to the dts +# CONFIG_DEVICE_TREE will have "" around it, make sure to strip them +ifeq ($(CONFIG_WANT_DEVICE_TREE),y) +ifneq ($(CONFIG_DEVICE_TREE),"") +dts = $(if $(shell echo $(CONFIG_DEVICE_TREE) | grep '^/'),\ + ,$(srctree)/$(src)/dts/)$(CONFIG_DEVICE_TREE:"%"=%) +endif +endif # Don't put the ramdisk on the pattern rule; when its missing make will try # the pattern rule with less dependencies that also matches (even with the # hard dependency listed). -$(obj)/zImage.dts_initrd.%: vmlinux $(wrapperbits) $(dts) $(obj)/ramdisk.image.gz +$(obj)/zImage.initrd.%: vmlinux $(wrapperbits) $(dts) $(call if_changed,wrap,$*,$(dts),,$(obj)/ramdisk.image.gz) -$(obj)/zImage.dts.%: vmlinux $(wrapperbits) $(dts) +$(obj)/zImage.%: vmlinux $(wrapperbits) $(dts) $(call if_changed,wrap,$*,$(dts)) -$(obj)/zImage.initrd.%: vmlinux $(wrapperbits) - $(call if_changed,wrap,$*,,,$(obj)/ramdisk.image.gz) - -$(obj)/zImage.%: vmlinux $(wrapperbits) - $(call if_changed,wrap,$*) - -$(obj)/zImage.iseries: vmlinux +# This cannot be in the root of $(src) as the zImage rule always adds a $(obj) +# prefix +$(obj)/vmlinux.strip: vmlinux $(STRIP) -s -R .comment $< -o $@ -$(obj)/zImage.ps3: vmlinux +$(obj)/zImage.iseries: vmlinux $(STRIP) -s -R .comment $< -o $@ -$(obj)/zImage.initrd.ps3: vmlinux - @echo " WARNING zImage.initrd.ps3 not supported (yet)" - -$(obj)/zImage.holly-elf: vmlinux $(wrapperbits) - $(call if_changed,wrap,holly,$(obj)/dts/holly.dts,,) +$(obj)/zImage.ps3: vmlinux $(wrapper) $(wrapperbits) $(srctree)/$(src)/dts/ps3.dts + $(STRIP) -s -R .comment $< -o vmlinux.strip + $(call cmd,wrap,ps3,$(srctree)/$(src)/dts/ps3.dts,,) -$(obj)/zImage.initrd.holly-elf: vmlinux $(wrapperbits) $(obj)/ramdisk.image.gz - $(call if_changed,wrap,holly,$(obj)/dts/holly.dts,,$(obj)/ramdisk.image.gz) +$(obj)/zImage.initrd.ps3: vmlinux $(wrapper) $(wrapperbits) $(srctree)/$(src)/dts/ps3.dts $(obj)/ramdisk.image.gz + $(call cmd,wrap,ps3,$(srctree)/$(src)/dts/ps3.dts,,$(obj)/ramdisk.image.gz) $(obj)/uImage: vmlinux $(wrapperbits) $(call if_changed,wrap,uboot) -# CONFIG_DEVICE_TREE will have "" around it, make sure to strip them -dts = $(if $(shell echo $(CONFIG_DEVICE_TREE) | grep '^/'),\ - ,$(srctree)/$(src)/dts/)$(CONFIG_DEVICE_TREE:"%"=%) - $(obj)/cuImage.%: vmlinux $(dts) $(wrapperbits) $(call if_changed,wrap,cuboot-$*,$(dts)) @@ -215,22 +204,22 @@ $(obj)/treeImage.initrd.%: vmlinux $(dts) $(wrapperbits) $(obj)/treeImage.%: vmlinux $(dts) $(wrapperbits) $(call if_changed,wrap,treeboot-$*,$(dts)) +# If there isn't a platform selected then just strip the vmlinux. +ifeq (,$(image-y)) +image-y := vmlinux.strip +endif + $(obj)/zImage: $(addprefix $(obj)/, $(image-y)) @rm -f $@; ln $< $@ $(obj)/zImage.initrd: $(addprefix $(obj)/, $(initrd-y)) @rm -f $@; ln $< $@ -$(obj)/zImage.dts: $(addprefix $(obj)/, $(dts-y)) - @rm -f $@; ln $< $@ -$(obj)/zImage.dts_initrd: $(addprefix $(obj)/, $(dts_initrd-y)) - @rm -f $@; ln $< $@ - install: $(CONFIGURE) $(addprefix $(obj)/, $(image-y)) sh -x $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" vmlinux System.map "$(INSTALL_PATH)" $< # anything not in $(targets) -clean-files += $(image-) $(initrd-) zImage zImage.initrd cuImage.* \ - treeImage.* zImage.dts zImage.dts_initrd +clean-files += $(image-) $(initrd-) zImage zImage.initrd cuImage.* treeImage.* \ + otheros.bld # clean up files cached by wrapper clean-kernel := vmlinux.strip vmlinux.bin diff --git a/arch/powerpc/boot/cuboot-83xx.c b/arch/powerpc/boot/cuboot-83xx.c index 9af554e..296025d 100644 --- a/arch/powerpc/boot/cuboot-83xx.c +++ b/arch/powerpc/boot/cuboot-83xx.c @@ -12,12 +12,12 @@ #include "ops.h" #include "stdio.h" +#include "cuboot.h" #define TARGET_83xx #include "ppcboot.h" static bd_t bd; -extern char _end[]; extern char _dtb_start[], _dtb_end[]; static void platform_fixups(void) @@ -52,16 +52,7 @@ static void platform_fixups(void) void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, unsigned long r6, unsigned long r7) { - unsigned long end_of_ram = bd.bi_memstart + bd.bi_memsize; - unsigned long avail_ram = end_of_ram - (unsigned long)_end; - - memcpy(&bd, (bd_t *)r3, sizeof(bd)); - loader_info.initrd_addr = r4; - loader_info.initrd_size = r4 ? r5 - r4 : 0; - loader_info.cmdline = (char *)r6; - loader_info.cmdline_len = r7 - r6; - - simple_alloc_init(_end, avail_ram - 1024*1024, 32, 64); + CUBOOT_INIT(); ft_init(_dtb_start, _dtb_end - _dtb_start, 32); serial_console_init(); platform_ops.fixups = platform_fixups; diff --git a/arch/powerpc/boot/cuboot-85xx.c b/arch/powerpc/boot/cuboot-85xx.c index e256031..10f0f69 100644 --- a/arch/powerpc/boot/cuboot-85xx.c +++ b/arch/powerpc/boot/cuboot-85xx.c @@ -12,12 +12,12 @@ #include "ops.h" #include "stdio.h" +#include "cuboot.h" #define TARGET_85xx #include "ppcboot.h" static bd_t bd; -extern char _end[]; extern char _dtb_start[], _dtb_end[]; static void platform_fixups(void) @@ -53,16 +53,7 @@ static void platform_fixups(void) void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, unsigned long r6, unsigned long r7) { - unsigned long end_of_ram = bd.bi_memstart + bd.bi_memsize; - unsigned long avail_ram = end_of_ram - (unsigned long)_end; - - memcpy(&bd, (bd_t *)r3, sizeof(bd)); - loader_info.initrd_addr = r4; - loader_info.initrd_size = r4 ? r5 - r4 : 0; - loader_info.cmdline = (char *)r6; - loader_info.cmdline_len = r7 - r6; - - simple_alloc_init(_end, avail_ram - 1024*1024, 32, 64); + CUBOOT_INIT(); ft_init(_dtb_start, _dtb_end - _dtb_start, 32); serial_console_init(); platform_ops.fixups = platform_fixups; diff --git a/arch/powerpc/boot/cuboot-ebony.c b/arch/powerpc/boot/cuboot-ebony.c index 4464c5f..c5f37ce 100644 --- a/arch/powerpc/boot/cuboot-ebony.c +++ b/arch/powerpc/boot/cuboot-ebony.c @@ -15,28 +15,16 @@ #include "ops.h" #include "stdio.h" #include "44x.h" +#include "cuboot.h" #define TARGET_44x #include "ppcboot.h" static bd_t bd; -extern char _end[]; - -BSS_STACK(4096); void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, unsigned long r6, unsigned long r7) { - unsigned long end_of_ram = bd.bi_memstart + bd.bi_memsize; - unsigned long avail_ram = end_of_ram - (unsigned long)_end; - - memcpy(&bd, (bd_t *)r3, sizeof(bd)); - loader_info.initrd_addr = r4; - loader_info.initrd_size = r4 ? r5 : 0; - loader_info.cmdline = (char *)r6; - loader_info.cmdline_len = r7 - r6; - - simple_alloc_init(_end, avail_ram, 32, 64); - + CUBOOT_INIT(); ebony_init(&bd.bi_enetaddr, &bd.bi_enet1addr); } diff --git a/arch/powerpc/boot/cuboot.c b/arch/powerpc/boot/cuboot.c new file mode 100644 index 0000000..6579546 --- /dev/null +++ b/arch/powerpc/boot/cuboot.c @@ -0,0 +1,35 @@ +/* + * Compatibility for old (not device tree aware) U-Boot versions + * + * Author: Scott Wood <scottwood@freescale.com> + * Consolidated using macros by David Gibson <david@gibson.dropbear.id.au> + * + * Copyright 2007 David Gibson, IBM Corporation. + * Copyright (c) 2007 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#include "ops.h" +#include "stdio.h" + +#include "ppcboot.h" + +extern char _end[]; +extern char _dtb_start[], _dtb_end[]; + +void cuboot_init(unsigned long r4, unsigned long r5, + unsigned long r6, unsigned long r7, + unsigned long end_of_ram) +{ + unsigned long avail_ram = end_of_ram - (unsigned long)_end; + + loader_info.initrd_addr = r4; + loader_info.initrd_size = r4 ? r5 - r4 : 0; + loader_info.cmdline = (char *)r6; + loader_info.cmdline_len = r7 - r6; + + simple_alloc_init(_end, avail_ram - 1024*1024, 32, 64); +} diff --git a/arch/powerpc/boot/cuboot.h b/arch/powerpc/boot/cuboot.h new file mode 100644 index 0000000..cd2aa7f --- /dev/null +++ b/arch/powerpc/boot/cuboot.h @@ -0,0 +1,14 @@ +#ifndef _PPC_BOOT_CUBOOT_H_ +#define _PPC_BOOT_CUBOOT_H_ + +void cuboot_init(unsigned long r4, unsigned long r5, + unsigned long r6, unsigned long r7, + unsigned long end_of_ram); + +#define CUBOOT_INIT() \ + do { \ + memcpy(&bd, (bd_t *)r3, sizeof(bd)); \ + cuboot_init(r4, r5, r6, r7, bd.bi_memstart + bd.bi_memsize); \ + } while (0) + +#endif /* _PPC_BOOT_CUBOOT_H_ */ diff --git a/arch/powerpc/boot/dcr.h b/arch/powerpc/boot/dcr.h index 877bc97..14b44aa 100644 --- a/arch/powerpc/boot/dcr.h +++ b/arch/powerpc/boot/dcr.h @@ -26,6 +26,43 @@ static const unsigned long sdram_bxcr[] = { SDRAM0_B0CR, SDRAM0_B1CR, SDRAM0_B2C #define SDRAM_CONFIG_BANK_SIZE(reg) \ (0x00400000 << ((reg & SDRAM_CONFIG_SIZE_MASK) >> 17)) +/* 440GP External Bus Controller (EBC) */ +#define DCRN_EBC0_CFGADDR 0x012 +#define DCRN_EBC0_CFGDATA 0x013 +#define EBC_NUM_BANKS 8 +#define EBC_B0CR 0x00 +#define EBC_B1CR 0x01 +#define EBC_B2CR 0x02 +#define EBC_B3CR 0x03 +#define EBC_B4CR 0x04 +#define EBC_B5CR 0x05 +#define EBC_B6CR 0x06 +#define EBC_B7CR 0x07 +#define EBC_BXCR(n) (n) +#define EBC_BXCR_BAS 0xfff00000 +#define EBC_BXCR_BS 0x000e0000 +#define EBC_BXCR_BANK_SIZE(reg) \ + (0x100000 << (((reg) & EBC_BXCR_BS) >> 17)) +#define EBC_BXCR_BU 0x00018000 +#define EBC_BXCR_BU_OFF 0x00000000 +#define EBC_BXCR_BU_RO 0x00008000 +#define EBC_BXCR_BU_WO 0x00010000 +#define EBC_BXCR_BU_RW 0x00018000 +#define EBC_BXCR_BW 0x00006000 +#define EBC_B0AP 0x10 +#define EBC_B1AP 0x11 +#define EBC_B2AP 0x12 +#define EBC_B3AP 0x13 +#define EBC_B4AP 0x14 +#define EBC_B5AP 0x15 +#define EBC_B6AP 0x16 +#define EBC_B7AP 0x17 +#define EBC_BXAP(n) (0x10+(n)) +#define EBC_BEAR 0x20 +#define EBC_BESR 0x21 +#define EBC_CFG 0x23 +#define EBC_CID 0x24 + /* 440GP Clock, PM, chip control */ #define DCRN_CPC0_SR 0x0b0 #define DCRN_CPC0_ER 0x0b1 diff --git a/arch/powerpc/boot/dts/ebony.dts b/arch/powerpc/boot/dts/ebony.dts index 0ec02f4..c5f9961 100644 --- a/arch/powerpc/boot/dts/ebony.dts +++ b/arch/powerpc/boot/dts/ebony.dts @@ -31,8 +31,8 @@ reg = <0>; clock-frequency = <0>; // Filled in by zImage timebase-frequency = <0>; // Filled in by zImage - i-cache-line-size = <32>; - d-cache-line-size = <32>; + i-cache-line-size = <20>; + d-cache-line-size = <20>; i-cache-size = <8000>; /* 32 kB */ d-cache-size = <8000>; /* 32 kB */ dcr-controller; @@ -135,11 +135,9 @@ #address-cells = <2>; #size-cells = <1>; clock-frequency = <0>; // Filled in by zImage - ranges = <0 00000000 fff00000 100000 - 1 00000000 48000000 100000 - 2 00000000 ff800000 400000 - 3 00000000 48200000 100000 - 7 00000000 48300000 100000>; + // ranges property is supplied by zImage + // based on firmware's configuration of the + // EBC bridge interrupts = <5 4>; interrupt-parent = <&UIC1>; diff --git a/arch/powerpc/boot/dts/holly.dts b/arch/powerpc/boot/dts/holly.dts index 254499b..80a4fab 100644 --- a/arch/powerpc/boot/dts/holly.dts +++ b/arch/powerpc/boot/dts/holly.dts @@ -46,7 +46,7 @@ tsi109@c0000000 { device_type = "tsi-bridge"; - compatible = "tsi-bridge"; + compatible = "tsi109-bridge", "tsi108-bridge"; #address-cells = <1>; #size-cells = <1>; ranges = <00000000 c0000000 00010000>; @@ -54,52 +54,55 @@ i2c@7000 { device_type = "i2c"; - compatible = "tsi-i2c"; - interrupt-parent = < &/tsi109@c0000000/pic@7400 >; + compatible = "tsi109-i2c", "tsi108-i2c"; + interrupt-parent = <&MPIC>; interrupts = <e 2>; reg = <7000 400>; }; - mdio@6000 { + MDIO: mdio@6000 { device_type = "mdio"; - compatible = "tsi-ethernet"; + compatible = "tsi109-mdio", "tsi108-mdio"; + reg = <6000 50>; + #address-cells = <1>; + #size-cells = <0>; - PHY1: ethernet-phy@6000 { - device_type = "ethernet-phy"; - compatible = "bcm54xx"; - reg = <6000 50>; - phy-id = <1>; + PHY1: ethernet-phy@1 { + compatible = "bcm5461a"; + reg = <1>; + txc-rxc-delay-disable; }; - PHY2: ethernet-phy@6400 { - device_type = "ethernet-phy"; - compatible = "bcm54xx"; - reg = <6000 50>; - phy-id = <2>; + PHY2: ethernet-phy@2 { + compatible = "bcm5461a"; + reg = <2>; + txc-rxc-delay-disable; }; }; ethernet@6200 { device_type = "network"; - compatible = "tsi-ethernet"; + compatible = "tsi109-ethernet", "tsi108-ethernet"; #address-cells = <1>; #size-cells = <0>; reg = <6000 200>; local-mac-address = [ 00 00 00 00 00 00 ]; - interrupt-parent = < &/tsi109@c0000000/pic@7400 >; + interrupt-parent = <&MPIC>; interrupts = <10 2>; + mdio-handle = <&MDIO>; phy-handle = <&PHY1>; }; ethernet@6600 { device_type = "network"; - compatible = "tsi-ethernet"; + compatible = "tsi109-ethernet", "tsi108-ethernet"; #address-cells = <1>; #size-cells = <0>; reg = <6400 200>; local-mac-address = [ 00 00 00 00 00 00 ]; - interrupt-parent = < &/tsi109@c0000000/pic@7400 >; + interrupt-parent = <&MPIC>; interrupts = <11 2>; + mdio-handle = <&MDIO>; phy-handle = <&PHY2>; }; @@ -110,7 +113,7 @@ virtual-reg = <c0007808>; clock-frequency = <3F9C6000>; current-speed = <1c200>; - interrupt-parent = < &/tsi109@c0000000/pic@7400 >; + interrupt-parent = <&MPIC>; interrupts = <c 2>; }; @@ -121,7 +124,7 @@ virtual-reg = <c0007c08>; clock-frequency = <3F9C6000>; current-speed = <1c200>; - interrupt-parent = < &/tsi109@c0000000/pic@7400 >; + interrupt-parent = <&MPIC>; interrupts = <d 2>; }; @@ -136,7 +139,7 @@ pci@1000 { device_type = "pci"; - compatible = "tsi109"; + compatible = "tsi109-pci", "tsi108-pci"; #interrupt-cells = <1>; #size-cells = <2>; #address-cells = <3>; @@ -150,7 +153,7 @@ ranges = <02000000 0 40000000 40000000 0 10000000 01000000 0 00000000 7e000000 0 00010000>; clock-frequency = <7f28154>; - interrupt-parent = < &/tsi109@c0000000/pic@7400 >; + interrupt-parent = <&MPIC>; interrupts = <17 2>; interrupt-map-mask = <f800 0 0 7>; /*----------------------------------------------------+ @@ -186,13 +189,12 @@ #address-cells = <0>; #interrupt-cells = <2>; interrupts = <17 2>; - interrupt-parent = < &/tsi109@c0000000/pic@7400 >; + interrupt-parent = <&MPIC>; }; }; }; chosen { linux,stdout-path = "/tsi109@c0000000/serial@7808"; - bootargs = "console=ttyS0,115200"; }; }; diff --git a/arch/powerpc/boot/dts/mpc7448hpc2.dts b/arch/powerpc/boot/dts/mpc7448hpc2.dts index 765c306..0e3d314 100644 --- a/arch/powerpc/boot/dts/mpc7448hpc2.dts +++ b/arch/powerpc/boot/dts/mpc7448hpc2.dts @@ -45,7 +45,7 @@ #address-cells = <1>; #size-cells = <1>; #interrupt-cells = <2>; - device_type = "tsi-bridge"; + device_type = "tsi108-bridge"; ranges = <00000000 c0000000 00010000>; reg = <c0000000 00010000>; bus-frequency = <0>; @@ -55,27 +55,26 @@ interrupts = <E 0>; reg = <7000 400>; device_type = "i2c"; - compatible = "tsi-i2c"; + compatible = "tsi108-i2c"; }; - mdio@6000 { + MDIO: mdio@6000 { device_type = "mdio"; - compatible = "tsi-ethernet"; + compatible = "tsi108-mdio"; + reg = <6000 50>; + #address-cells = <1>; + #size-cells = <0>; - phy8: ethernet-phy@6000 { + phy8: ethernet-phy@8 { interrupt-parent = <&mpic>; interrupts = <2 1>; - reg = <6000 50>; - phy-id = <8>; - device_type = "ethernet-phy"; + reg = <8>; }; - phy9: ethernet-phy@6400 { + phy9: ethernet-phy@9 { interrupt-parent = <&mpic>; interrupts = <2 1>; - reg = <6000 50>; - phy-id = <9>; - device_type = "ethernet-phy"; + reg = <9>; }; }; @@ -83,12 +82,12 @@ ethernet@6200 { #size-cells = <0>; device_type = "network"; - model = "TSI-ETH"; - compatible = "tsi-ethernet"; + compatible = "tsi108-ethernet"; reg = <6000 200>; address = [ 00 06 D2 00 00 01 ]; interrupts = <10 2>; interrupt-parent = <&mpic>; + mdio-handle = <&MDIO>; phy-handle = <&phy8>; }; @@ -96,12 +95,12 @@ #address-cells = <1>; #size-cells = <0>; device_type = "network"; - model = "TSI-ETH"; - compatible = "tsi-ethernet"; + compatible = "tsi108-ethernet"; reg = <6400 200>; address = [ 00 06 D2 00 00 02 ]; interrupts = <11 2>; interrupt-parent = <&mpic>; + mdio-handle = <&MDIO>; phy-handle = <&phy9>; }; @@ -135,7 +134,7 @@ big-endian; }; pci@1000 { - compatible = "tsi10x"; + compatible = "tsi108-pci"; device_type = "pci"; #interrupt-cells = <1>; #size-cells = <2>; diff --git a/arch/powerpc/boot/dts/mpc8272ads.dts b/arch/powerpc/boot/dts/mpc8272ads.dts index 423eedc..1934b80 100644 --- a/arch/powerpc/boot/dts/mpc8272ads.dts +++ b/arch/powerpc/boot/dts/mpc8272ads.dts @@ -14,12 +14,10 @@ compatible = "MPC8260ADS"; #address-cells = <1>; #size-cells = <1>; - linux,phandle = <100>; cpus { #address-cells = <1>; #size-cells = <0>; - linux,phandle = <200>; PowerPC,8272@0 { device_type = "cpu"; @@ -32,12 +30,10 @@ bus-frequency = <0>; clock-frequency = <0>; 32-bit; - linux,phandle = <201>; }; }; - interrupt-controller@f8200000 { - linux,phandle = <f8200000>; + pci_pic: interrupt-controller@f8200000 { #address-cells = <0>; #interrupt-cells = <2>; interrupt-controller; @@ -47,15 +43,13 @@ }; memory { device_type = "memory"; - linux,phandle = <300>; reg = <00000000 4000000 f4500000 00000020>; }; chosen { name = "chosen"; linux,platform = <0>; - interrupt-controller = <10c00>; - linux,phandle = <400>; + interrupt-controller = <&Cpm_pic>; }; soc8272@f0000000 { @@ -70,20 +64,17 @@ device_type = "mdio"; compatible = "fs_enet"; reg = <0 0>; - linux,phandle = <24520>; #address-cells = <1>; #size-cells = <0>; - ethernet-phy@0 { - linux,phandle = <2452000>; - interrupt-parent = <10c00>; + phy0:ethernet-phy@0 { + interrupt-parent = <&Cpm_pic>; interrupts = <17 4>; reg = <0>; bitbang = [ 12 12 13 02 02 01 ]; device_type = "ethernet-phy"; }; - ethernet-phy@1 { - linux,phandle = <2452001>; - interrupt-parent = <10c00>; + phy1:ethernet-phy@1 { + interrupt-parent = <&Cpm_pic>; interrupts = <17 4>; bitbang = [ 12 12 13 02 02 01 ]; reg = <3>; @@ -101,8 +92,8 @@ reg = <11300 20 8400 100 11380 30>; mac-address = [ 00 11 2F 99 43 54 ]; interrupts = <20 2>; - interrupt-parent = <10c00>; - phy-handle = <2452000>; + interrupt-parent = <&Cpm_pic>; + phy-handle = <&Phy0>; rx-clock = <13>; tx-clock = <12>; }; @@ -115,14 +106,13 @@ reg = <11320 20 8500 100 113b0 30>; mac-address = [ 00 11 2F 99 44 54 ]; interrupts = <21 2>; - interrupt-parent = <10c00>; - phy-handle = <2452001>; + interrupt-parent = <&Cpm_pic>; + phy-handle = <&Phy1>; rx-clock = <17>; tx-clock = <18>; }; cpm@f0000000 { - linux,phandle = <f0000000>; #address-cells = <1>; #size-cells = <1>; #interrupt-cells = <2>; @@ -142,7 +132,7 @@ reg = <11a00 20 8000 100>; current-speed = <1c200>; interrupts = <28 2>; - interrupt-parent = <10c00>; + interrupt-parent = <&Cpm_pic>; clock-setup = <0 00ffffff>; rx-clock = <1>; tx-clock = <1>; @@ -156,15 +146,14 @@ reg = <11a60 20 8300 100>; current-speed = <1c200>; interrupts = <2b 2>; - interrupt-parent = <10c00>; + interrupt-parent = <&Cpm_pic>; clock-setup = <1b ffffff00>; rx-clock = <4>; tx-clock = <4>; }; }; - interrupt-controller@10c00 { - linux,phandle = <10c00>; + cpm_pic:interrupt-controller@10c00 { #address-cells = <0>; #interrupt-cells = <2>; interrupt-controller; @@ -174,7 +163,6 @@ compatible = "CPM2"; }; pci@0500 { - linux,phandle = <0500>; #interrupt-cells = <1>; #size-cells = <2>; #address-cells = <3>; @@ -202,7 +190,7 @@ c000 0 0 2 f8200000 43 8 c000 0 0 3 f8200000 40 8 c000 0 0 4 f8200000 41 8>; - interrupt-parent = <10c00>; + interrupt-parent = <&Cpm_pic>; interrupts = <14 8>; bus-range = <0 0>; ranges = <02000000 0 80000000 80000000 0 40000000 @@ -216,7 +204,7 @@ compatible = "talitos"; reg = <30000 10000>; interrupts = <b 2>; - interrupt-parent = <10c00>; + interrupt-parent = <&Cpm_pic>; num-channels = <4>; channel-fifo-len = <18>; exec-units-mask = <0000007e>; diff --git a/arch/powerpc/boot/dts/mpc832x_mds.dts b/arch/powerpc/boot/dts/mpc832x_mds.dts index 112dd51..4fc0c4d 100644 --- a/arch/powerpc/boot/dts/mpc832x_mds.dts +++ b/arch/powerpc/boot/dts/mpc832x_mds.dts @@ -272,7 +272,13 @@ reg = <2200 200>; interrupts = <22>; interrupt-parent = < &qeic >; - mac-address = [ 00 04 9f 00 23 23 ]; + /* + * mac-address is deprecated and will be removed + * in 2.6.25. Only recent versions of + * U-Boot support local-mac-address, however. + */ + mac-address = [ 00 00 00 00 00 00 ]; + local-mac-address = [ 00 00 00 00 00 00 ]; rx-clock = <19>; tx-clock = <1a>; phy-handle = < &phy3 >; @@ -287,7 +293,13 @@ reg = <3000 200>; interrupts = <23>; interrupt-parent = < &qeic >; - mac-address = [ 00 11 22 33 44 55 ]; + /* + * mac-address is deprecated and will be removed + * in 2.6.25. Only recent versions of + * U-Boot support local-mac-address, however. + */ + mac-address = [ 00 00 00 00 00 00 ]; + local-mac-address = [ 00 00 00 00 00 00 ]; rx-clock = <17>; tx-clock = <18>; phy-handle = < &phy4 >; diff --git a/arch/powerpc/boot/dts/mpc832x_rdb.dts b/arch/powerpc/boot/dts/mpc832x_rdb.dts index be4c357..447c03f 100644 --- a/arch/powerpc/boot/dts/mpc832x_rdb.dts +++ b/arch/powerpc/boot/dts/mpc832x_rdb.dts @@ -231,7 +231,13 @@ reg = <3000 200>; interrupts = <21>; interrupt-parent = <&qeic>; - mac-address = [ 00 04 9f ef 03 02 ]; + /* + * mac-address is deprecated and will be removed + * in 2.6.25. Only recent versions of + * U-Boot support local-mac-address, however. + */ + mac-address = [ 00 00 00 00 00 00 ]; + local-mac-address = [ 00 00 00 00 00 00 ]; rx-clock = <20>; tx-clock = <13>; phy-handle = <&phy00>; @@ -246,7 +252,13 @@ reg = <2200 200>; interrupts = <22>; interrupt-parent = <&qeic>; - mac-address = [ 00 04 9f ef 03 01 ]; + /* + * mac-address is deprecated and will be removed + * in 2.6.25. Only recent versions of + * U-Boot support local-mac-address, however. + */ + mac-address = [ 00 00 00 00 00 00 ]; + local-mac-address = [ 00 00 00 00 00 00 ]; rx-clock = <19>; tx-clock = <1a>; phy-handle = <&phy04>; diff --git a/arch/powerpc/boot/dts/mpc8349emitx.dts b/arch/powerpc/boot/dts/mpc8349emitx.dts index db0d003..ae9bca5 100644 --- a/arch/powerpc/boot/dts/mpc8349emitx.dts +++ b/arch/powerpc/boot/dts/mpc8349emitx.dts @@ -131,6 +131,11 @@ model = "TSEC"; compatible = "gianfar"; reg = <24000 1000>; + /* + * address is deprecated and will be removed + * in 2.6.25. Only recent versions of + * U-Boot support local-mac-address, however. + */ address = [ 00 00 00 00 00 00 ]; local-mac-address = [ 00 00 00 00 00 00 ]; interrupts = <20 8 21 8 22 8>; @@ -145,6 +150,11 @@ model = "TSEC"; compatible = "gianfar"; reg = <25000 1000>; + /* + * address is deprecated and will be removed + * in 2.6.25. Only recent versions of + * U-Boot support local-mac-address, however. + */ address = [ 00 00 00 00 00 00 ]; local-mac-address = [ 00 00 00 00 00 00 ]; interrupts = <23 8 24 8 25 8>; diff --git a/arch/powerpc/boot/dts/mpc834x_mds.dts b/arch/powerpc/boot/dts/mpc834x_mds.dts index df773fa..310e877 100644 --- a/arch/powerpc/boot/dts/mpc834x_mds.dts +++ b/arch/powerpc/boot/dts/mpc834x_mds.dts @@ -136,6 +136,11 @@ model = "TSEC"; compatible = "gianfar"; reg = <24000 1000>; + /* + * address is deprecated and will be removed + * in 2.6.25. Only recent versions of + * U-Boot support local-mac-address, however. + */ address = [ 00 00 00 00 00 00 ]; local-mac-address = [ 00 00 00 00 00 00 ]; interrupts = <20 8 21 8 22 8>; @@ -150,6 +155,11 @@ model = "TSEC"; compatible = "gianfar"; reg = <25000 1000>; + /* + * address is deprecated and will be removed + * in 2.6.25. Only recent versions of + * U-Boot support local-mac-address, however. + */ address = [ 00 00 00 00 00 00 ]; local-mac-address = [ 00 00 00 00 00 00 ]; interrupts = <23 8 24 8 25 8>; diff --git a/arch/powerpc/boot/dts/mpc836x_mds.dts b/arch/powerpc/boot/dts/mpc836x_mds.dts index 38c8594..1e914f31 100644 --- a/arch/powerpc/boot/dts/mpc836x_mds.dts +++ b/arch/powerpc/boot/dts/mpc836x_mds.dts @@ -301,7 +301,13 @@ reg = <2000 200>; interrupts = <20>; interrupt-parent = < &qeic >; - mac-address = [ 00 04 9f 00 23 23 ]; + /* + * mac-address is deprecated and will be removed + * in 2.6.25. Only recent versions of + * U-Boot support local-mac-address, however. + */ + mac-address = [ 00 00 00 00 00 00 ]; + local-mac-address = [ 00 00 00 00 00 00 ]; rx-clock = <0>; tx-clock = <19>; phy-handle = < &phy0 >; @@ -317,7 +323,13 @@ reg = <3000 200>; interrupts = <21>; interrupt-parent = < &qeic >; - mac-address = [ 00 11 22 33 44 55 ]; + /* + * mac-address is deprecated and will be removed + * in 2.6.25. Only recent versions of + * U-Boot support local-mac-address, however. + */ + mac-address = [ 00 00 00 00 00 00 ]; + local-mac-address = [ 00 00 00 00 00 00 ]; rx-clock = <0>; tx-clock = <14>; phy-handle = < &phy1 >; diff --git a/arch/powerpc/boot/dts/mpc8540ads.dts b/arch/powerpc/boot/dts/mpc8540ads.dts index d91e81c..364a969 100644 --- a/arch/powerpc/boot/dts/mpc8540ads.dts +++ b/arch/powerpc/boot/dts/mpc8540ads.dts @@ -52,7 +52,7 @@ compatible = "fsl,8540-memory-controller"; reg = <2000 1000>; interrupt-parent = <&mpic>; - interrupts = <2 2>; + interrupts = <12 2>; }; l2-cache-controller@20000 { @@ -61,14 +61,14 @@ cache-line-size = <20>; // 32 bytes cache-size = <40000>; // L2, 256K interrupt-parent = <&mpic>; - interrupts = <0 2>; + interrupts = <10 2>; }; i2c@3000 { device_type = "i2c"; compatible = "fsl-i2c"; reg = <3000 100>; - interrupts = <1b 2>; + interrupts = <2b 2>; interrupt-parent = <&mpic>; dfsrr; }; @@ -81,19 +81,19 @@ reg = <24520 20>; phy0: ethernet-phy@0 { interrupt-parent = <&mpic>; - interrupts = <35 1>; + interrupts = <5 1>; reg = <0>; device_type = "ethernet-phy"; }; phy1: ethernet-phy@1 { interrupt-parent = <&mpic>; - interrupts = <35 1>; + interrupts = <5 1>; reg = <1>; device_type = "ethernet-phy"; }; phy3: ethernet-phy@3 { interrupt-parent = <&mpic>; - interrupts = <37 1>; + interrupts = <7 1>; reg = <3>; device_type = "ethernet-phy"; }; @@ -106,9 +106,14 @@ model = "TSEC"; compatible = "gianfar"; reg = <24000 1000>; - address = [ 00 E0 0C 00 73 00 ]; - local-mac-address = [ 00 E0 0C 00 73 00 ]; - interrupts = <d 2 e 2 12 2>; + /* + * address is deprecated and will be removed + * in 2.6.25. Only recent versions of + * U-Boot support local-mac-address, however. + */ + address = [ 00 00 00 00 00 00 ]; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupts = <1d 2 1e 2 22 2>; interrupt-parent = <&mpic>; phy-handle = <&phy0>; }; @@ -120,9 +125,14 @@ model = "TSEC"; compatible = "gianfar"; reg = <25000 1000>; - address = [ 00 E0 0C 00 73 01 ]; - local-mac-address = [ 00 E0 0C 00 73 01 ]; - interrupts = <13 2 14 2 18 2>; + /* + * address is deprecated and will be removed + * in 2.6.25. Only recent versions of + * U-Boot support local-mac-address, however. + */ + address = [ 00 00 00 00 00 00 ]; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupts = <23 2 24 2 28 2>; interrupt-parent = <&mpic>; phy-handle = <&phy1>; }; @@ -134,9 +144,14 @@ model = "FEC"; compatible = "gianfar"; reg = <26000 1000>; - address = [ 00 E0 0C 00 73 02 ]; - local-mac-address = [ 00 E0 0C 00 73 02 ]; - interrupts = <19 2>; + /* + * address is deprecated and will be removed + * in 2.6.25. Only recent versions of + * U-Boot support local-mac-address, however. + */ + address = [ 00 00 00 00 00 00 ]; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupts = <29 2>; interrupt-parent = <&mpic>; phy-handle = <&phy3>; }; @@ -146,7 +161,7 @@ compatible = "ns16550"; reg = <4500 100>; // reg base, size clock-frequency = <0>; // should we fill in in uboot? - interrupts = <1a 2>; + interrupts = <2a 2>; interrupt-parent = <&mpic>; }; @@ -155,7 +170,7 @@ compatible = "ns16550"; reg = <4600 100>; // reg base, size clock-frequency = <0>; // should we fill in in uboot? - interrupts = <1a 2>; + interrupts = <2a 2>; interrupt-parent = <&mpic>; }; pci@8000 { @@ -163,78 +178,78 @@ interrupt-map = < /* IDSEL 0x02 */ - 1000 0 0 1 &mpic 31 1 - 1000 0 0 2 &mpic 32 1 - 1000 0 0 3 &mpic 33 1 - 1000 0 0 4 &mpic 34 1 + 1000 0 0 1 &mpic 1 1 + 1000 0 0 2 &mpic 2 1 + 1000 0 0 3 &mpic 3 1 + 1000 0 0 4 &mpic 4 1 /* IDSEL 0x03 */ - 1800 0 0 1 &mpic 34 1 - 1800 0 0 2 &mpic 31 1 - 1800 0 0 3 &mpic 32 1 - 1800 0 0 4 &mpic 33 1 + 1800 0 0 1 &mpic 4 1 + 1800 0 0 2 &mpic 1 1 + 1800 0 0 3 &mpic 2 1 + 1800 0 0 4 &mpic 3 1 /* IDSEL 0x04 */ - 2000 0 0 1 &mpic 33 1 - 2000 0 0 2 &mpic 34 1 - 2000 0 0 3 &mpic 31 1 - 2000 0 0 4 &mpic 32 1 + 2000 0 0 1 &mpic 3 1 + 2000 0 0 2 &mpic 4 1 + 2000 0 0 3 &mpic 1 1 + 2000 0 0 4 &mpic 2 1 /* IDSEL 0x05 */ - 2800 0 0 1 &mpic 32 1 - 2800 0 0 2 &mpic 33 1 - 2800 0 0 3 &mpic 34 1 - 2800 0 0 4 &mpic 31 1 + 2800 0 0 1 &mpic 2 1 + 2800 0 0 2 &mpic 3 1 + 2800 0 0 3 &mpic 4 1 + 2800 0 0 4 &mpic 1 1 /* IDSEL 0x0c */ - 6000 0 0 1 &mpic 31 1 - 6000 0 0 2 &mpic 32 1 - 6000 0 0 3 &mpic 33 1 - 6000 0 0 4 &mpic 34 1 + 6000 0 0 1 &mpic 1 1 + 6000 0 0 2 &mpic 2 1 + 6000 0 0 3 &mpic 3 1 + 6000 0 0 4 &mpic 4 1 /* IDSEL 0x0d */ - 6800 0 0 1 &mpic 34 1 - 6800 0 0 2 &mpic 31 1 - 6800 0 0 3 &mpic 32 1 - 6800 0 0 4 &mpic 33 1 + 6800 0 0 1 &mpic 4 1 + 6800 0 0 2 &mpic 1 1 + 6800 0 0 3 &mpic 2 1 + 6800 0 0 4 &mpic 3 1 /* IDSEL 0x0e */ - 7000 0 0 1 &mpic 33 1 - 7000 0 0 2 &mpic 34 1 - 7000 0 0 3 &mpic 31 1 - 7000 0 0 4 &mpic 32 1 + 7000 0 0 1 &mpic 3 1 + 7000 0 0 2 &mpic 4 1 + 7000 0 0 3 &mpic 1 1 + 7000 0 0 4 &mpic 2 1 /* IDSEL 0x0f */ - 7800 0 0 1 &mpic 32 1 - 7800 0 0 2 &mpic 33 1 - 7800 0 0 3 &mpic 34 1 - 7800 0 0 4 &mpic 31 1 + 7800 0 0 1 &mpic 2 1 + 7800 0 0 2 &mpic 3 1 + 7800 0 0 3 &mpic 4 1 + 7800 0 0 4 &mpic 1 1 /* IDSEL 0x12 */ - 9000 0 0 1 &mpic 31 1 - 9000 0 0 2 &mpic 32 1 - 9000 0 0 3 &mpic 33 1 - 9000 0 0 4 &mpic 34 1 + 9000 0 0 1 &mpic 1 1 + 9000 0 0 2 &mpic 2 1 + 9000 0 0 3 &mpic 3 1 + 9000 0 0 4 &mpic 4 1 /* IDSEL 0x13 */ - 9800 0 0 1 &mpic 34 1 - 9800 0 0 2 &mpic 31 1 - 9800 0 0 3 &mpic 32 1 - 9800 0 0 4 &mpic 33 1 + 9800 0 0 1 &mpic 4 1 + 9800 0 0 2 &mpic 1 1 + 9800 0 0 3 &mpic 2 1 + 9800 0 0 4 &mpic 3 1 /* IDSEL 0x14 */ - a000 0 0 1 &mpic 33 1 - a000 0 0 2 &mpic 34 1 - a000 0 0 3 &mpic 31 1 - a000 0 0 4 &mpic 32 1 + a000 0 0 1 &mpic 3 1 + a000 0 0 2 &mpic 4 1 + a000 0 0 3 &mpic 1 1 + a000 0 0 4 &mpic 2 1 /* IDSEL 0x15 */ - a800 0 0 1 &mpic 32 1 - a800 0 0 2 &mpic 33 1 - a800 0 0 3 &mpic 34 1 - a800 0 0 4 &mpic 31 1>; + a800 0 0 1 &mpic 2 1 + a800 0 0 2 &mpic 3 1 + a800 0 0 3 &mpic 4 1 + a800 0 0 4 &mpic 1 1>; interrupt-parent = <&mpic>; - interrupts = <08 2>; + interrupts = <18 2>; bus-range = <0 0>; ranges = <02000000 0 80000000 80000000 0 20000000 01000000 0 00000000 e2000000 0 00100000>; diff --git a/arch/powerpc/boot/dts/mpc8541cds.dts b/arch/powerpc/boot/dts/mpc8541cds.dts index 4f2c3af..070206f 100644 --- a/arch/powerpc/boot/dts/mpc8541cds.dts +++ b/arch/powerpc/boot/dts/mpc8541cds.dts @@ -52,7 +52,7 @@ compatible = "fsl,8541-memory-controller"; reg = <2000 1000>; interrupt-parent = <&mpic>; - interrupts = <2 2>; + interrupts = <12 2>; }; l2-cache-controller@20000 { @@ -61,14 +61,14 @@ cache-line-size = <20>; // 32 bytes cache-size = <40000>; // L2, 256K interrupt-parent = <&mpic>; - interrupts = <0 2>; + interrupts = <10 2>; }; i2c@3000 { device_type = "i2c"; compatible = "fsl-i2c"; reg = <3000 100>; - interrupts = <1b 2>; + interrupts = <2b 2>; interrupt-parent = <&mpic>; dfsrr; }; @@ -81,13 +81,13 @@ reg = <24520 20>; phy0: ethernet-phy@0 { interrupt-parent = <&mpic>; - interrupts = <35 0>; + interrupts = <5 1>; reg = <0>; device_type = "ethernet-phy"; }; phy1: ethernet-phy@1 { interrupt-parent = <&mpic>; - interrupts = <35 0>; + interrupts = <5 1>; reg = <1>; device_type = "ethernet-phy"; }; @@ -100,8 +100,8 @@ model = "TSEC"; compatible = "gianfar"; reg = <24000 1000>; - local-mac-address = [ 00 E0 0C 00 73 00 ]; - interrupts = <d 2 e 2 12 2>; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupts = <1d 2 1e 2 22 2>; interrupt-parent = <&mpic>; phy-handle = <&phy0>; }; @@ -113,8 +113,8 @@ model = "TSEC"; compatible = "gianfar"; reg = <25000 1000>; - local-mac-address = [ 00 E0 0C 00 73 01 ]; - interrupts = <13 2 14 2 18 2>; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupts = <23 2 24 2 28 2>; interrupt-parent = <&mpic>; phy-handle = <&phy1>; }; @@ -124,7 +124,7 @@ compatible = "ns16550"; reg = <4500 100>; // reg base, size clock-frequency = <0>; // should we fill in in uboot? - interrupts = <1a 2>; + interrupts = <2a 2>; interrupt-parent = <&mpic>; }; @@ -133,7 +133,7 @@ compatible = "ns16550"; reg = <4600 100>; // reg base, size clock-frequency = <0>; // should we fill in in uboot? - interrupts = <1a 2>; + interrupts = <2a 2>; interrupt-parent = <&mpic>; }; @@ -142,49 +142,49 @@ interrupt-map = < /* IDSEL 0x10 */ - 08000 0 0 1 &mpic 30 1 - 08000 0 0 2 &mpic 31 1 - 08000 0 0 3 &mpic 32 1 - 08000 0 0 4 &mpic 33 1 + 08000 0 0 1 &mpic 0 1 + 08000 0 0 2 &mpic 1 1 + 08000 0 0 3 &mpic 2 1 + 08000 0 0 4 &mpic 3 1 /* IDSEL 0x11 */ - 08800 0 0 1 &mpic 30 1 - 08800 0 0 2 &mpic 31 1 - 08800 0 0 3 &mpic 32 1 - 08800 0 0 4 &mpic 33 1 + 08800 0 0 1 &mpic 0 1 + 08800 0 0 2 &mpic 1 1 + 08800 0 0 3 &mpic 2 1 + 08800 0 0 4 &mpic 3 1 /* IDSEL 0x12 (Slot 1) */ - 09000 0 0 1 &mpic 30 1 - 09000 0 0 2 &mpic 31 1 - 09000 0 0 3 &mpic 32 1 - 09000 0 0 4 &mpic 33 1 + 09000 0 0 1 &mpic 0 1 + 09000 0 0 2 &mpic 1 1 + 09000 0 0 3 &mpic 2 1 + 09000 0 0 4 &mpic 3 1 /* IDSEL 0x13 (Slot 2) */ - 09800 0 0 1 &mpic 31 1 - 09800 0 0 2 &mpic 32 1 - 09800 0 0 3 &mpic 33 1 - 09800 0 0 4 &mpic 30 1 + 09800 0 0 1 &mpic 1 1 + 09800 0 0 2 &mpic 2 1 + 09800 0 0 3 &mpic 3 1 + 09800 0 0 4 &mpic 0 1 /* IDSEL 0x14 (Slot 3) */ - 0a000 0 0 1 &mpic 32 1 - 0a000 0 0 2 &mpic 33 1 - 0a000 0 0 3 &mpic 30 1 - 0a000 0 0 4 &mpic 31 1 + 0a000 0 0 1 &mpic 2 1 + 0a000 0 0 2 &mpic 3 1 + 0a000 0 0 3 &mpic 0 1 + 0a000 0 0 4 &mpic 1 1 /* IDSEL 0x15 (Slot 4) */ - 0a800 0 0 1 &mpic 33 1 - 0a800 0 0 2 &mpic 30 1 - 0a800 0 0 3 &mpic 31 1 - 0a800 0 0 4 &mpic 32 1 + 0a800 0 0 1 &mpic 3 1 + 0a800 0 0 2 &mpic 0 1 + 0a800 0 0 3 &mpic 1 1 + 0a800 0 0 4 &mpic 2 1 /* Bus 1 (Tundra Bridge) */ /* IDSEL 0x12 (ISA bridge) */ - 19000 0 0 1 &mpic 30 1 - 19000 0 0 2 &mpic 31 1 - 19000 0 0 3 &mpic 32 1 - 19000 0 0 4 &mpic 33 1>; + 19000 0 0 1 &mpic 0 1 + 19000 0 0 2 &mpic 1 1 + 19000 0 0 3 &mpic 2 1 + 19000 0 0 4 &mpic 3 1>; interrupt-parent = <&mpic>; - interrupts = <08 2>; + interrupts = <18 2>; bus-range = <0 0>; ranges = <02000000 0 80000000 80000000 0 20000000 01000000 0 00000000 e2000000 0 00100000>; @@ -216,12 +216,12 @@ interrupt-map = < /* IDSEL 0x15 */ - a800 0 0 1 &mpic 3b 1 - a800 0 0 2 &mpic 3b 1 - a800 0 0 3 &mpic 3b 1 - a800 0 0 4 &mpic 3b 1>; + a800 0 0 1 &mpic b 1 + a800 0 0 2 &mpic b 1 + a800 0 0 3 &mpic b 1 + a800 0 0 4 &mpic b 1>; interrupt-parent = <&mpic>; - interrupts = <09 2>; + interrupts = <19 2>; bus-range = <0 0>; ranges = <02000000 0 a0000000 a0000000 0 20000000 01000000 0 00000000 e3000000 0 00100000>; diff --git a/arch/powerpc/boot/dts/mpc8544ds.dts b/arch/powerpc/boot/dts/mpc8544ds.dts index 3033599..8285925 100644 --- a/arch/powerpc/boot/dts/mpc8544ds.dts +++ b/arch/powerpc/boot/dts/mpc8544ds.dts @@ -52,7 +52,7 @@ compatible = "fsl,8544-memory-controller"; reg = <2000 1000>; interrupt-parent = <&mpic>; - interrupts = <2 2>; + interrupts = <12 2>; }; l2-cache-controller@20000 { @@ -61,14 +61,14 @@ cache-line-size = <20>; // 32 bytes cache-size = <40000>; // L2, 256K interrupt-parent = <&mpic>; - interrupts = <0 2>; + interrupts = <10 2>; }; i2c@3000 { device_type = "i2c"; compatible = "fsl-i2c"; reg = <3000 100>; - interrupts = <1b 2>; + interrupts = <2b 2>; interrupt-parent = <&mpic>; dfsrr; }; @@ -81,13 +81,13 @@ reg = <24520 20>; phy0: ethernet-phy@0 { interrupt-parent = <&mpic>; - interrupts = <3a 1>; + interrupts = <a 1>; reg = <0>; device_type = "ethernet-phy"; }; phy1: ethernet-phy@1 { interrupt-parent = <&mpic>; - interrupts = <3a 1>; + interrupts = <a 1>; reg = <1>; device_type = "ethernet-phy"; }; @@ -101,7 +101,7 @@ compatible = "gianfar"; reg = <24000 1000>; local-mac-address = [ 00 00 00 00 00 00 ]; - interrupts = <d 2 e 2 12 2>; + interrupts = <1d 2 1e 2 22 2>; interrupt-parent = <&mpic>; phy-handle = <&phy0>; }; @@ -114,7 +114,7 @@ compatible = "gianfar"; reg = <26000 1000>; local-mac-address = [ 00 00 00 00 00 00 ]; - interrupts = <f 2 10 2 11 2>; + interrupts = <1f 2 20 2 21 2>; interrupt-parent = <&mpic>; phy-handle = <&phy1>; }; @@ -124,7 +124,7 @@ compatible = "ns16550"; reg = <4500 100>; clock-frequency = <0>; - interrupts = <1a 2>; + interrupts = <2a 2>; interrupt-parent = <&mpic>; }; @@ -133,7 +133,7 @@ compatible = "ns16550"; reg = <4600 100>; clock-frequency = <0>; - interrupts = <1a 2>; + interrupts = <2a 2>; interrupt-parent = <&mpic>; }; diff --git a/arch/powerpc/boot/dts/mpc8548cds.dts b/arch/powerpc/boot/dts/mpc8548cds.dts index ad96381..9d0b84b 100644 --- a/arch/powerpc/boot/dts/mpc8548cds.dts +++ b/arch/powerpc/boot/dts/mpc8548cds.dts @@ -52,7 +52,7 @@ compatible = "fsl,8548-memory-controller"; reg = <2000 1000>; interrupt-parent = <&mpic>; - interrupts = <2 2>; + interrupts = <12 2>; }; l2-cache-controller@20000 { @@ -61,14 +61,14 @@ cache-line-size = <20>; // 32 bytes cache-size = <80000>; // L2, 512K interrupt-parent = <&mpic>; - interrupts = <0 2>; + interrupts = <10 2>; }; i2c@3000 { device_type = "i2c"; compatible = "fsl-i2c"; reg = <3000 100>; - interrupts = <1b 2>; + interrupts = <2b 2>; interrupt-parent = <&mpic>; dfsrr; }; @@ -81,25 +81,25 @@ reg = <24520 20>; phy0: ethernet-phy@0 { interrupt-parent = <&mpic>; - interrupts = <35 0>; + interrupts = <5 1>; reg = <0>; device_type = "ethernet-phy"; }; phy1: ethernet-phy@1 { interrupt-parent = <&mpic>; - interrupts = <35 0>; + interrupts = <5 1>; reg = <1>; device_type = "ethernet-phy"; }; phy2: ethernet-phy@2 { interrupt-parent = <&mpic>; - interrupts = <35 0>; + interrupts = <5 1>; reg = <2>; device_type = "ethernet-phy"; }; phy3: ethernet-phy@3 { interrupt-parent = <&mpic>; - interrupts = <35 0>; + interrupts = <5 1>; reg = <3>; device_type = "ethernet-phy"; }; @@ -112,8 +112,8 @@ model = "eTSEC"; compatible = "gianfar"; reg = <24000 1000>; - local-mac-address = [ 00 E0 0C 00 73 00 ]; - interrupts = <d 2 e 2 12 2>; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupts = <1d 2 1e 2 22 2>; interrupt-parent = <&mpic>; phy-handle = <&phy0>; }; @@ -125,8 +125,8 @@ model = "eTSEC"; compatible = "gianfar"; reg = <25000 1000>; - local-mac-address = [ 00 E0 0C 00 73 01 ]; - interrupts = <13 2 14 2 18 2>; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupts = <23 2 24 2 28 2>; interrupt-parent = <&mpic>; phy-handle = <&phy1>; }; @@ -139,8 +139,8 @@ model = "eTSEC"; compatible = "gianfar"; reg = <26000 1000>; - local-mac-address = [ 00 E0 0C 00 73 02 ]; - interrupts = <f 2 10 2 11 2>; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupts = <1f 2 20 2 21 2>; interrupt-parent = <&mpic>; phy-handle = <&phy2>; }; @@ -152,8 +152,8 @@ model = "eTSEC"; compatible = "gianfar"; reg = <27000 1000>; - local-mac-address = [ 00 E0 0C 00 73 03 ]; - interrupts = <15 2 16 2 17 2>; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupts = <25 2 26 2 27 2>; interrupt-parent = <&mpic>; phy-handle = <&phy3>; }; @@ -164,7 +164,7 @@ compatible = "ns16550"; reg = <4500 100>; // reg base, size clock-frequency = <0>; // should we fill in in uboot? - interrupts = <1a 2>; + interrupts = <2a 2>; interrupt-parent = <&mpic>; }; @@ -173,58 +173,64 @@ compatible = "ns16550"; reg = <4600 100>; // reg base, size clock-frequency = <0>; // should we fill in in uboot? - interrupts = <1a 2>; + interrupts = <2a 2>; interrupt-parent = <&mpic>; }; + global-utilities@e0000 { //global utilities reg + compatible = "fsl,mpc8548-guts"; + reg = <e0000 1000>; + fsl,has-rstcr; + }; + pci1: pci@8000 { interrupt-map-mask = <1f800 0 0 7>; interrupt-map = < /* IDSEL 0x10 */ - 08000 0 0 1 &mpic 30 1 - 08000 0 0 2 &mpic 31 1 - 08000 0 0 3 &mpic 32 1 - 08000 0 0 4 &mpic 33 1 + 08000 0 0 1 &mpic 0 1 + 08000 0 0 2 &mpic 1 1 + 08000 0 0 3 &mpic 2 1 + 08000 0 0 4 &mpic 3 1 /* IDSEL 0x11 */ - 08800 0 0 1 &mpic 30 1 - 08800 0 0 2 &mpic 31 1 - 08800 0 0 3 &mpic 32 1 - 08800 0 0 4 &mpic 33 1 + 08800 0 0 1 &mpic 0 1 + 08800 0 0 2 &mpic 1 1 + 08800 0 0 3 &mpic 2 1 + 08800 0 0 4 &mpic 3 1 /* IDSEL 0x12 (Slot 1) */ - 09000 0 0 1 &mpic 30 1 - 09000 0 0 2 &mpic 31 1 - 09000 0 0 3 &mpic 32 1 - 09000 0 0 4 &mpic 33 1 + 09000 0 0 1 &mpic 0 1 + 09000 0 0 2 &mpic 1 1 + 09000 0 0 3 &mpic 2 1 + 09000 0 0 4 &mpic 3 1 /* IDSEL 0x13 (Slot 2) */ - 09800 0 0 1 &mpic 31 1 - 09800 0 0 2 &mpic 32 1 - 09800 0 0 3 &mpic 33 1 - 09800 0 0 4 &mpic 30 1 + 09800 0 0 1 &mpic 1 1 + 09800 0 0 2 &mpic 2 1 + 09800 0 0 3 &mpic 3 1 + 09800 0 0 4 &mpic 0 1 /* IDSEL 0x14 (Slot 3) */ - 0a000 0 0 1 &mpic 32 1 - 0a000 0 0 2 &mpic 33 1 - 0a000 0 0 3 &mpic 30 1 - 0a000 0 0 4 &mpic 31 1 + 0a000 0 0 1 &mpic 2 1 + 0a000 0 0 2 &mpic 3 1 + 0a000 0 0 3 &mpic 0 1 + 0a000 0 0 4 &mpic 1 1 /* IDSEL 0x15 (Slot 4) */ - 0a800 0 0 1 &mpic 33 1 - 0a800 0 0 2 &mpic 30 1 - 0a800 0 0 3 &mpic 31 1 - 0a800 0 0 4 &mpic 32 1 + 0a800 0 0 1 &mpic 3 1 + 0a800 0 0 2 &mpic 0 1 + 0a800 0 0 3 &mpic 1 1 + 0a800 0 0 4 &mpic 2 1 /* Bus 1 (Tundra Bridge) */ /* IDSEL 0x12 (ISA bridge) */ - 19000 0 0 1 &mpic 30 1 - 19000 0 0 2 &mpic 31 1 - 19000 0 0 3 &mpic 32 1 - 19000 0 0 4 &mpic 33 1>; + 19000 0 0 1 &mpic 0 1 + 19000 0 0 2 &mpic 1 1 + 19000 0 0 3 &mpic 2 1 + 19000 0 0 4 &mpic 3 1>; interrupt-parent = <&mpic>; - interrupts = <08 2>; + interrupts = <18 2>; bus-range = <0 0>; ranges = <02000000 0 80000000 80000000 0 20000000 01000000 0 00000000 e2000000 0 00100000>; @@ -256,12 +262,12 @@ interrupt-map = < /* IDSEL 0x15 */ - a800 0 0 1 &mpic 3b 1 - a800 0 0 2 &mpic 3b 1 - a800 0 0 3 &mpic 3b 1 - a800 0 0 4 &mpic 3b 1>; + a800 0 0 1 &mpic b 1 + a800 0 0 2 &mpic b 1 + a800 0 0 3 &mpic b 1 + a800 0 0 4 &mpic b 1>; interrupt-parent = <&mpic>; - interrupts = <09 2>; + interrupts = <19 2>; bus-range = <0 0>; ranges = <02000000 0 a0000000 a0000000 0 20000000 01000000 0 00000000 e3000000 0 00100000>; diff --git a/arch/powerpc/boot/dts/mpc8555cds.dts b/arch/powerpc/boot/dts/mpc8555cds.dts index 951ed92..17e45d9 100644 --- a/arch/powerpc/boot/dts/mpc8555cds.dts +++ b/arch/powerpc/boot/dts/mpc8555cds.dts @@ -52,7 +52,7 @@ compatible = "fsl,8555-memory-controller"; reg = <2000 1000>; interrupt-parent = <&mpic>; - interrupts = <2 2>; + interrupts = <12 2>; }; l2-cache-controller@20000 { @@ -61,14 +61,14 @@ cache-line-size = <20>; // 32 bytes cache-size = <40000>; // L2, 256K interrupt-parent = <&mpic>; - interrupts = <0 2>; + interrupts = <10 2>; }; i2c@3000 { device_type = "i2c"; compatible = "fsl-i2c"; reg = <3000 100>; - interrupts = <1b 2>; + interrupts = <2b 2>; interrupt-parent = <&mpic>; dfsrr; }; @@ -81,13 +81,13 @@ reg = <24520 20>; phy0: ethernet-phy@0 { interrupt-parent = <&mpic>; - interrupts = <35 0>; + interrupts = <5 1>; reg = <0>; device_type = "ethernet-phy"; }; phy1: ethernet-phy@1 { interrupt-parent = <&mpic>; - interrupts = <35 0>; + interrupts = <5 1>; reg = <1>; device_type = "ethernet-phy"; }; @@ -100,8 +100,8 @@ model = "TSEC"; compatible = "gianfar"; reg = <24000 1000>; - local-mac-address = [ 00 E0 0C 00 73 00 ]; - interrupts = <0d 2 0e 2 12 2>; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupts = <1d 2 1e 2 22 2>; interrupt-parent = <&mpic>; phy-handle = <&phy0>; }; @@ -113,8 +113,8 @@ model = "TSEC"; compatible = "gianfar"; reg = <25000 1000>; - local-mac-address = [ 00 E0 0C 00 73 01 ]; - interrupts = <13 2 14 2 18 2>; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupts = <23 2 24 2 28 2>; interrupt-parent = <&mpic>; phy-handle = <&phy1>; }; @@ -124,7 +124,7 @@ compatible = "ns16550"; reg = <4500 100>; // reg base, size clock-frequency = <0>; // should we fill in in uboot? - interrupts = <1a 2>; + interrupts = <2a 2>; interrupt-parent = <&mpic>; }; @@ -133,7 +133,7 @@ compatible = "ns16550"; reg = <4600 100>; // reg base, size clock-frequency = <0>; // should we fill in in uboot? - interrupts = <1a 2>; + interrupts = <2a 2>; interrupt-parent = <&mpic>; }; @@ -142,49 +142,49 @@ interrupt-map = < /* IDSEL 0x10 */ - 08000 0 0 1 &mpic 30 1 - 08000 0 0 2 &mpic 31 1 - 08000 0 0 3 &mpic 32 1 - 08000 0 0 4 &mpic 33 1 + 08000 0 0 1 &mpic 0 1 + 08000 0 0 2 &mpic 1 1 + 08000 0 0 3 &mpic 2 1 + 08000 0 0 4 &mpic 3 1 /* IDSEL 0x11 */ - 08800 0 0 1 &mpic 30 1 - 08800 0 0 2 &mpic 31 1 - 08800 0 0 3 &mpic 32 1 - 08800 0 0 4 &mpic 33 1 + 08800 0 0 1 &mpic 0 1 + 08800 0 0 2 &mpic 1 1 + 08800 0 0 3 &mpic 2 1 + 08800 0 0 4 &mpic 3 1 /* IDSEL 0x12 (Slot 1) */ - 09000 0 0 1 &mpic 30 1 - 09000 0 0 2 &mpic 31 1 - 09000 0 0 3 &mpic 32 1 - 09000 0 0 4 &mpic 33 1 + 09000 0 0 1 &mpic 0 1 + 09000 0 0 2 &mpic 1 1 + 09000 0 0 3 &mpic 2 1 + 09000 0 0 4 &mpic 3 1 /* IDSEL 0x13 (Slot 2) */ - 09800 0 0 1 &mpic 31 1 - 09800 0 0 2 &mpic 32 1 - 09800 0 0 3 &mpic 33 1 - 09800 0 0 4 &mpic 30 1 + 09800 0 0 1 &mpic 1 1 + 09800 0 0 2 &mpic 2 1 + 09800 0 0 3 &mpic 3 1 + 09800 0 0 4 &mpic 0 1 /* IDSEL 0x14 (Slot 3) */ - 0a000 0 0 1 &mpic 32 1 - 0a000 0 0 2 &mpic 33 1 - 0a000 0 0 3 &mpic 30 1 - 0a000 0 0 4 &mpic 31 1 + 0a000 0 0 1 &mpic 2 1 + 0a000 0 0 2 &mpic 3 1 + 0a000 0 0 3 &mpic 0 1 + 0a000 0 0 4 &mpic 1 1 /* IDSEL 0x15 (Slot 4) */ - 0a800 0 0 1 &mpic 33 1 - 0a800 0 0 2 &mpic 30 1 - 0a800 0 0 3 &mpic 31 1 - 0a800 0 0 4 &mpic 32 1 + 0a800 0 0 1 &mpic 3 1 + 0a800 0 0 2 &mpic 0 1 + 0a800 0 0 3 &mpic 1 1 + 0a800 0 0 4 &mpic 2 1 /* Bus 1 (Tundra Bridge) */ /* IDSEL 0x12 (ISA bridge) */ - 19000 0 0 1 &mpic 30 1 - 19000 0 0 2 &mpic 31 1 - 19000 0 0 3 &mpic 32 1 - 19000 0 0 4 &mpic 33 1>; + 19000 0 0 1 &mpic 0 1 + 19000 0 0 2 &mpic 1 1 + 19000 0 0 3 &mpic 2 1 + 19000 0 0 4 &mpic 3 1>; interrupt-parent = <&mpic>; - interrupts = <08 2>; + interrupts = <18 2>; bus-range = <0 0>; ranges = <02000000 0 80000000 80000000 0 20000000 01000000 0 00000000 e2000000 0 00100000>; @@ -216,12 +216,12 @@ interrupt-map = < /* IDSEL 0x15 */ - a800 0 0 1 &mpic 3b 1 - a800 0 0 2 &mpic 3b 1 - a800 0 0 3 &mpic 3b 1 - a800 0 0 4 &mpic 3b 1>; + a800 0 0 1 &mpic b 1 + a800 0 0 2 &mpic b 1 + a800 0 0 3 &mpic b 1 + a800 0 0 4 &mpic b 1>; interrupt-parent = <&mpic>; - interrupts = <09 2>; + interrupts = <19 2>; bus-range = <0 0>; ranges = <02000000 0 a0000000 a0000000 0 20000000 01000000 0 00000000 e3000000 0 00100000>; diff --git a/arch/powerpc/boot/dts/mpc8560ads.dts b/arch/powerpc/boot/dts/mpc8560ads.dts index 8068215..21ccaaa 100644 --- a/arch/powerpc/boot/dts/mpc8560ads.dts +++ b/arch/powerpc/boot/dts/mpc8560ads.dts @@ -52,7 +52,7 @@ compatible = "fsl,8540-memory-controller"; reg = <2000 1000>; interrupt-parent = <&mpic>; - interrupts = <2 2>; + interrupts = <12 2>; }; l2-cache-controller@20000 { @@ -61,7 +61,7 @@ cache-line-size = <20>; // 32 bytes cache-size = <40000>; // L2, 256K interrupt-parent = <&mpic>; - interrupts = <0 2>; + interrupts = <10 2>; }; mdio@24520 { @@ -72,25 +72,25 @@ #size-cells = <0>; phy0: ethernet-phy@0 { interrupt-parent = <&mpic>; - interrupts = <35 1>; + interrupts = <5 1>; reg = <0>; device_type = "ethernet-phy"; }; phy1: ethernet-phy@1 { interrupt-parent = <&mpic>; - interrupts = <35 1>; + interrupts = <5 1>; reg = <1>; device_type = "ethernet-phy"; }; phy2: ethernet-phy@2 { interrupt-parent = <&mpic>; - interrupts = <37 1>; + interrupts = <7 1>; reg = <2>; device_type = "ethernet-phy"; }; phy3: ethernet-phy@3 { interrupt-parent = <&mpic>; - interrupts = <37 1>; + interrupts = <7 1>; reg = <3>; device_type = "ethernet-phy"; }; @@ -101,8 +101,14 @@ model = "TSEC"; compatible = "gianfar"; reg = <24000 1000>; - address = [ 00 00 0C 00 00 FD ]; - interrupts = <d 2 e 2 12 2>; + /* + * address is deprecated and will be removed + * in 2.6.25. Only recent versions of + * U-Boot support local-mac-address, however. + */ + address = [ 00 00 00 00 00 00 ]; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupts = <1d 2 1e 2 22 2>; interrupt-parent = <&mpic>; phy-handle = <&phy0>; }; @@ -114,8 +120,14 @@ model = "TSEC"; compatible = "gianfar"; reg = <25000 1000>; - address = [ 00 00 0C 00 01 FD ]; - interrupts = <13 2 14 2 18 2>; + /* + * address is deprecated and will be removed + * in 2.6.25. Only recent versions of + * U-Boot support local-mac-address, however. + */ + address = [ 00 00 00 00 00 00 ]; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupts = <23 2 24 2 28 2>; interrupt-parent = <&mpic>; phy-handle = <&phy1>; }; @@ -132,79 +144,79 @@ interrupt-map = < /* IDSEL 0x2 */ - 1000 0 0 1 &mpic 31 1 - 1000 0 0 2 &mpic 32 1 - 1000 0 0 3 &mpic 33 1 - 1000 0 0 4 &mpic 34 1 + 1000 0 0 1 &mpic 1 1 + 1000 0 0 2 &mpic 2 1 + 1000 0 0 3 &mpic 3 1 + 1000 0 0 4 &mpic 4 1 /* IDSEL 0x3 */ - 1800 0 0 1 &mpic 34 1 - 1800 0 0 2 &mpic 31 1 - 1800 0 0 3 &mpic 32 1 - 1800 0 0 4 &mpic 33 1 + 1800 0 0 1 &mpic 4 1 + 1800 0 0 2 &mpic 1 1 + 1800 0 0 3 &mpic 2 1 + 1800 0 0 4 &mpic 3 1 /* IDSEL 0x4 */ - 2000 0 0 1 &mpic 33 1 - 2000 0 0 2 &mpic 34 1 - 2000 0 0 3 &mpic 31 1 - 2000 0 0 4 &mpic 32 1 + 2000 0 0 1 &mpic 3 1 + 2000 0 0 2 &mpic 4 1 + 2000 0 0 3 &mpic 1 1 + 2000 0 0 4 &mpic 2 1 /* IDSEL 0x5 */ - 2800 0 0 1 &mpic 32 1 - 2800 0 0 2 &mpic 33 1 - 2800 0 0 3 &mpic 34 1 - 2800 0 0 4 &mpic 31 1 + 2800 0 0 1 &mpic 2 1 + 2800 0 0 2 &mpic 3 1 + 2800 0 0 3 &mpic 4 1 + 2800 0 0 4 &mpic 1 1 /* IDSEL 12 */ - 6000 0 0 1 &mpic 31 1 - 6000 0 0 2 &mpic 32 1 - 6000 0 0 3 &mpic 33 1 - 6000 0 0 4 &mpic 34 1 + 6000 0 0 1 &mpic 1 1 + 6000 0 0 2 &mpic 2 1 + 6000 0 0 3 &mpic 3 1 + 6000 0 0 4 &mpic 4 1 /* IDSEL 13 */ - 6800 0 0 1 &mpic 34 1 - 6800 0 0 2 &mpic 31 1 - 6800 0 0 3 &mpic 32 1 - 6800 0 0 4 &mpic 33 1 + 6800 0 0 1 &mpic 4 1 + 6800 0 0 2 &mpic 1 1 + 6800 0 0 3 &mpic 2 1 + 6800 0 0 4 &mpic 3 1 /* IDSEL 14*/ - 7000 0 0 1 &mpic 33 1 - 7000 0 0 2 &mpic 34 1 - 7000 0 0 3 &mpic 31 1 - 7000 0 0 4 &mpic 32 1 + 7000 0 0 1 &mpic 3 1 + 7000 0 0 2 &mpic 4 1 + 7000 0 0 3 &mpic 1 1 + 7000 0 0 4 &mpic 2 1 /* IDSEL 15 */ - 7800 0 0 1 &mpic 32 1 - 7800 0 0 2 &mpic 33 1 - 7800 0 0 3 &mpic 34 1 - 7800 0 0 4 &mpic 31 1 + 7800 0 0 1 &mpic 2 1 + 7800 0 0 2 &mpic 3 1 + 7800 0 0 3 &mpic 4 1 + 7800 0 0 4 &mpic 1 1 /* IDSEL 18 */ - 9000 0 0 1 &mpic 31 1 - 9000 0 0 2 &mpic 32 1 - 9000 0 0 3 &mpic 33 1 - 9000 0 0 4 &mpic 34 1 + 9000 0 0 1 &mpic 1 1 + 9000 0 0 2 &mpic 2 1 + 9000 0 0 3 &mpic 3 1 + 9000 0 0 4 &mpic 4 1 /* IDSEL 19 */ - 9800 0 0 1 &mpic 34 1 - 9800 0 0 2 &mpic 31 1 - 9800 0 0 3 &mpic 32 1 - 9800 0 0 4 &mpic 33 1 + 9800 0 0 1 &mpic 4 1 + 9800 0 0 2 &mpic 1 1 + 9800 0 0 3 &mpic 2 1 + 9800 0 0 4 &mpic 3 1 /* IDSEL 20 */ - a000 0 0 1 &mpic 33 1 - a000 0 0 2 &mpic 34 1 - a000 0 0 3 &mpic 31 1 - a000 0 0 4 &mpic 32 1 + a000 0 0 1 &mpic 3 1 + a000 0 0 2 &mpic 4 1 + a000 0 0 3 &mpic 1 1 + a000 0 0 4 &mpic 2 1 /* IDSEL 21 */ - a800 0 0 1 &mpic 32 1 - a800 0 0 2 &mpic 33 1 - a800 0 0 3 &mpic 34 1 - a800 0 0 4 &mpic 31 1>; + a800 0 0 1 &mpic 2 1 + a800 0 0 2 &mpic 3 1 + a800 0 0 3 &mpic 4 1 + a800 0 0 4 &mpic 1 1>; interrupt-parent = <&mpic>; - interrupts = <8 0>; + interrupts = <18 2>; bus-range = <0 0>; ranges = <02000000 0 80000000 80000000 0 20000000 01000000 0 00000000 e2000000 0 01000000>; @@ -234,7 +246,7 @@ interrupt-controller; #address-cells = <0>; #interrupt-cells = <2>; - interrupts = <1e 0>; + interrupts = <2e 2>; interrupt-parent = <&mpic>; reg = <90c00 80>; built-in; @@ -275,7 +287,13 @@ model = "FCC"; device-id = <2>; reg = <91320 20 88500 100 913a0 30>; - mac-address = [ 00 00 0C 00 02 FD ]; + /* + * mac-address is deprecated and will be removed + * in 2.6.25. Only recent versions of + * U-Boot support local-mac-address, however. + */ + mac-address = [ 00 00 00 00 00 00 ]; + local-mac-address = [ 00 00 00 00 00 00 ]; clock-setup = <ff00ffff 250000>; rx-clock = <15>; tx-clock = <16>; @@ -290,7 +308,13 @@ model = "FCC"; device-id = <3>; reg = <91340 20 88600 100 913d0 30>; - mac-address = [ 00 00 0C 00 03 FD ]; + /* + * mac-address is deprecated and will be removed + * in 2.6.25. Only recent versions of + * U-Boot support local-mac-address, however. + */ + mac-address = [ 00 00 00 00 00 00 ]; + local-mac-address = [ 00 00 00 00 00 00 ]; clock-setup = <ffff00ff 3700>; rx-clock = <17>; tx-clock = <18>; diff --git a/arch/powerpc/boot/dts/mpc8568mds.dts b/arch/powerpc/boot/dts/mpc8568mds.dts index a123ec94..6bb18f2 100644 --- a/arch/powerpc/boot/dts/mpc8568mds.dts +++ b/arch/powerpc/boot/dts/mpc8568mds.dts @@ -61,7 +61,7 @@ compatible = "fsl,8568-memory-controller"; reg = <2000 1000>; interrupt-parent = <&mpic>; - interrupts = <2 2>; + interrupts = <12 2>; }; l2-cache-controller@20000 { @@ -70,14 +70,14 @@ cache-line-size = <20>; // 32 bytes cache-size = <80000>; // L2, 512K interrupt-parent = <&mpic>; - interrupts = <0 2>; + interrupts = <10 2>; }; i2c@3000 { device_type = "i2c"; compatible = "fsl-i2c"; reg = <3000 100>; - interrupts = <1b 2>; + interrupts = <2b 2>; interrupt-parent = <&mpic>; dfsrr; }; @@ -86,7 +86,7 @@ device_type = "i2c"; compatible = "fsl-i2c"; reg = <3100 100>; - interrupts = <1b 2>; + interrupts = <2b 2>; interrupt-parent = <&mpic>; dfsrr; }; @@ -99,25 +99,25 @@ reg = <24520 20>; phy0: ethernet-phy@0 { interrupt-parent = <&mpic>; - interrupts = <31 1>; + interrupts = <1 1>; reg = <0>; device_type = "ethernet-phy"; }; phy1: ethernet-phy@1 { interrupt-parent = <&mpic>; - interrupts = <32 1>; + interrupts = <2 1>; reg = <1>; device_type = "ethernet-phy"; }; phy2: ethernet-phy@2 { interrupt-parent = <&mpic>; - interrupts = <31 1>; + interrupts = <1 1>; reg = <2>; device_type = "ethernet-phy"; }; phy3: ethernet-phy@3 { interrupt-parent = <&mpic>; - interrupts = <32 1>; + interrupts = <2 1>; reg = <3>; device_type = "ethernet-phy"; }; @@ -130,8 +130,14 @@ model = "eTSEC"; compatible = "gianfar"; reg = <24000 1000>; + /* + * mac-address is deprecated and will be removed + * in 2.6.25. Only recent versions of + * U-Boot support local-mac-address, however. + */ mac-address = [ 00 00 00 00 00 00 ]; - interrupts = <d 2 e 2 12 2>; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupts = <1d 2 1e 2 22 2>; interrupt-parent = <&mpic>; phy-handle = <&phy2>; }; @@ -143,8 +149,14 @@ model = "eTSEC"; compatible = "gianfar"; reg = <25000 1000>; - mac-address = [ 00 00 00 00 00 00]; - interrupts = <13 2 14 2 18 2>; + /* + * mac-address is deprecated and will be removed + * in 2.6.25. Only recent versions of + * U-Boot support local-mac-address, however. + */ + mac-address = [ 00 00 00 00 00 00 ]; + local-mac-address = [ 00 00 00 00 00 00 ]; + interrupts = <23 2 24 2 28 2>; interrupt-parent = <&mpic>; phy-handle = <&phy3>; }; @@ -154,7 +166,7 @@ compatible = "ns16550"; reg = <4500 100>; clock-frequency = <0>; - interrupts = <1a 2>; + interrupts = <2a 2>; interrupt-parent = <&mpic>; }; @@ -163,7 +175,7 @@ compatible = "ns16550"; reg = <4600 100>; clock-frequency = <0>; - interrupts = <1a 2>; + interrupts = <2a 2>; interrupt-parent = <&mpic>; }; @@ -172,7 +184,7 @@ model = "SEC2"; compatible = "talitos"; reg = <30000 f000>; - interrupts = <1d 2>; + interrupts = <2d 2>; interrupt-parent = <&mpic>; num-channels = <4>; channel-fifo-len = <18>; @@ -300,7 +312,13 @@ reg = <2000 200>; interrupts = <20>; interrupt-parent = <&qeic>; - mac-address = [ 00 04 9f 00 23 23 ]; + /* + * mac-address is deprecated and will be removed + * in 2.6.25. Only recent versions of + * U-Boot support local-mac-address, however. + */ + mac-address = [ 00 00 00 00 00 00 ]; + local-mac-address = [ 00 00 00 00 00 00 ]; rx-clock = <0>; tx-clock = <19>; phy-handle = <&qe_phy0>; @@ -316,7 +334,13 @@ reg = <3000 200>; interrupts = <21>; interrupt-parent = <&qeic>; - mac-address = [ 00 11 22 33 44 55 ]; + /* + * mac-address is deprecated and will be removed + * in 2.6.25. Only recent versions of + * U-Boot support local-mac-address, however. + */ + mac-address = [ 00 00 00 00 00 00 ]; + local-mac-address = [ 00 00 00 00 00 00 ]; rx-clock = <0>; tx-clock = <14>; phy-handle = <&qe_phy1>; @@ -335,25 +359,25 @@ * gianfar's MDIO bus */ qe_phy0: ethernet-phy@00 { interrupt-parent = <&mpic>; - interrupts = <31 1>; + interrupts = <1 1>; reg = <0>; device_type = "ethernet-phy"; }; qe_phy1: ethernet-phy@01 { interrupt-parent = <&mpic>; - interrupts = <32 1>; + interrupts = <2 1>; reg = <1>; device_type = "ethernet-phy"; }; qe_phy2: ethernet-phy@02 { interrupt-parent = <&mpic>; - interrupts = <31 1>; + interrupts = <1 1>; reg = <2>; device_type = "ethernet-phy"; }; qe_phy3: ethernet-phy@03 { interrupt-parent = <&mpic>; - interrupts = <32 1>; + interrupts = <2 1>; reg = <3>; device_type = "ethernet-phy"; }; @@ -367,7 +391,7 @@ reg = <80 80>; built-in; big-endian; - interrupts = <1e 2 1e 2>; //high:30 low:30 + interrupts = <2e 2 2e 2>; //high:30 low:30 interrupt-parent = <&mpic>; }; diff --git a/arch/powerpc/boot/dts/mpc8641_hpcn.dts b/arch/powerpc/boot/dts/mpc8641_hpcn.dts index 260b264..db56a02 100644 --- a/arch/powerpc/boot/dts/mpc8641_hpcn.dts +++ b/arch/powerpc/boot/dts/mpc8641_hpcn.dts @@ -56,8 +56,12 @@ #size-cells = <1>; #interrupt-cells = <2>; device_type = "soc"; - ranges = <0 f8000000 00100000>; - reg = <f8000000 00100000>; // CCSRBAR 1M + ranges = <00001000 f8001000 000ff000 + 80000000 80000000 20000000 + e2000000 e2000000 00100000 + a0000000 a0000000 20000000 + e3000000 e3000000 00100000>; + reg = <f8000000 00001000>; // CCSRBAR bus-frequency = <0>; i2c@3000 { @@ -86,25 +90,25 @@ reg = <24520 20>; phy0: ethernet-phy@0 { interrupt-parent = <&mpic>; - interrupts = <4a 1>; + interrupts = <a 1>; reg = <0>; device_type = "ethernet-phy"; }; phy1: ethernet-phy@1 { interrupt-parent = <&mpic>; - interrupts = <4a 1>; + interrupts = <a 1>; reg = <1>; device_type = "ethernet-phy"; }; phy2: ethernet-phy@2 { interrupt-parent = <&mpic>; - interrupts = <4a 1>; + interrupts = <a 1>; reg = <2>; device_type = "ethernet-phy"; }; phy3: ethernet-phy@3 { interrupt-parent = <&mpic>; - interrupts = <4a 1>; + interrupts = <a 1>; reg = <3>; device_type = "ethernet-phy"; }; @@ -117,7 +121,13 @@ model = "TSEC"; compatible = "gianfar"; reg = <24000 1000>; - mac-address = [ 00 E0 0C 00 73 00 ]; + /* + * mac-address is deprecated and will be removed + * in 2.6.25. Only recent versions of + * U-Boot support local-mac-address, however. + */ + mac-address = [ 00 00 00 00 00 00 ]; + local-mac-address = [ 00 00 00 00 00 00 ]; interrupts = <1d 2 1e 2 22 2>; interrupt-parent = <&mpic>; phy-handle = <&phy0>; @@ -130,7 +140,13 @@ model = "TSEC"; compatible = "gianfar"; reg = <25000 1000>; - mac-address = [ 00 E0 0C 00 73 01 ]; + /* + * mac-address is deprecated and will be removed + * in 2.6.25. Only recent versions of + * U-Boot support local-mac-address, however. + */ + mac-address = [ 00 00 00 00 00 00 ]; + local-mac-address = [ 00 00 00 00 00 00 ]; interrupts = <23 2 24 2 28 2>; interrupt-parent = <&mpic>; phy-handle = <&phy1>; @@ -143,7 +159,13 @@ model = "TSEC"; compatible = "gianfar"; reg = <26000 1000>; - mac-address = [ 00 E0 0C 00 02 FD ]; + /* + * mac-address is deprecated and will be removed + * in 2.6.25. Only recent versions of + * U-Boot support local-mac-address, however. + */ + mac-address = [ 00 00 00 00 00 00 ]; + local-mac-address = [ 00 00 00 00 00 00 ]; interrupts = <1F 2 20 2 21 2>; interrupt-parent = <&mpic>; phy-handle = <&phy2>; @@ -156,7 +178,13 @@ model = "TSEC"; compatible = "gianfar"; reg = <27000 1000>; - mac-address = [ 00 E0 0C 00 03 FD ]; + /* + * mac-address is deprecated and will be removed + * in 2.6.25. Only recent versions of + * U-Boot support local-mac-address, however. + */ + mac-address = [ 00 00 00 00 00 00 ]; + local-mac-address = [ 00 00 00 00 00 00 ]; interrupts = <25 2 26 2 27 2>; interrupt-parent = <&mpic>; phy-handle = <&phy3>; @@ -186,7 +214,7 @@ #size-cells = <2>; #address-cells = <3>; reg = <8000 1000>; - bus-range = <0 fe>; + bus-range = <0 ff>; ranges = <02000000 0 80000000 80000000 0 20000000 01000000 0 00000000 e2000000 0 00100000>; clock-frequency = <1fca055>; @@ -285,17 +313,84 @@ f800 0 0 3 &i8259 0 0 f800 0 0 4 &i8259 0 0 >; - i8259: i8259@4d0 { - clock-frequency = <0>; - interrupt-controller; - device_type = "interrupt-controller"; - #address-cells = <0>; - #interrupt-cells = <2>; - built-in; - compatible = "chrp,iic"; - big-endian; - interrupts = <49 2>; - interrupt-parent = <&mpic>; + uli1575@0 { + reg = <0 0 0 0 0>; + #size-cells = <2>; + #address-cells = <3>; + ranges = <02000000 0 80000000 + 02000000 0 80000000 + 0 20000000 + 01000000 0 00000000 + 01000000 0 00000000 + 0 00100000>; + + pci_bridge@0 { + reg = <0 0 0 0 0>; + #size-cells = <2>; + #address-cells = <3>; + ranges = <02000000 0 80000000 + 02000000 0 80000000 + 0 20000000 + 01000000 0 00000000 + 01000000 0 00000000 + 0 00100000>; + + isa@1e { + device_type = "isa"; + #interrupt-cells = <2>; + #size-cells = <1>; + #address-cells = <2>; + reg = <f000 0 0 0 0>; + ranges = <1 0 01000000 0 0 + 00001000>; + interrupt-parent = <&i8259>; + + i8259: interrupt-controller@20 { + reg = <1 20 2 + 1 a0 2 + 1 4d0 2>; + clock-frequency = <0>; + interrupt-controller; + device_type = "interrupt-controller"; + #address-cells = <0>; + #interrupt-cells = <2>; + built-in; + compatible = "chrp,iic"; + interrupts = <9 2>; + interrupt-parent = + <&mpic>; + }; + + i8042@60 { + #size-cells = <0>; + #address-cells = <1>; + reg = <1 60 1 1 64 1>; + interrupts = <1 3 c 3>; + interrupt-parent = + <&i8259>; + + keyboard@0 { + reg = <0>; + compatible = "pnpPNP,303"; + }; + + mouse@1 { + reg = <1>; + compatible = "pnpPNP,f03"; + }; + }; + + rtc@70 { + compatible = + "pnpPNP,b00"; + reg = <1 70 2>; + }; + + gpio@400 { + reg = <1 400 80>; + }; + }; + }; }; }; @@ -316,10 +411,10 @@ interrupt-map-mask = <f800 0 0 7>; interrupt-map = < /* IDSEL 0x0 */ - 0000 0 0 1 &mpic 44 1 - 0000 0 0 2 &mpic 45 1 - 0000 0 0 3 &mpic 46 1 - 0000 0 0 4 &mpic 47 1 + 0000 0 0 1 &mpic 4 1 + 0000 0 0 2 &mpic 5 1 + 0000 0 0 3 &mpic 6 1 + 0000 0 0 4 &mpic 7 1 >; }; diff --git a/arch/powerpc/boot/dts/mpc866ads.dts b/arch/powerpc/boot/dts/mpc866ads.dts index c0d06fd..e5e7726 100644 --- a/arch/powerpc/boot/dts/mpc866ads.dts +++ b/arch/powerpc/boot/dts/mpc866ads.dts @@ -15,12 +15,10 @@ compatible = "mpc8xx"; #address-cells = <1>; #size-cells = <1>; - linux,phandle = <100>; cpus { #address-cells = <1>; #size-cells = <0>; - linux,phandle = <200>; PowerPC,866@0 { device_type = "cpu"; @@ -34,14 +32,12 @@ clock-frequency = <0>; 32-bit; interrupts = <f 2>; // decrementer interrupt - interrupt-parent = <ff000000>; - linux,phandle = <201>; + interrupt-parent = <&Mpc8xx_pic>; }; }; memory { device_type = "memory"; - linux,phandle = <300>; reg = <00000000 800000>; }; @@ -57,11 +53,9 @@ device_type = "mdio"; compatible = "fs_enet"; reg = <e80 8>; - linux,phandle = <e80>; #address-cells = <1>; #size-cells = <0>; - ethernet-phy@f { - linux,phandle = <e800f>; + phy: ethernet-phy@f { reg = <f>; device_type = "ethernet-phy"; }; @@ -75,12 +69,11 @@ reg = <e00 188>; mac-address = [ 00 00 0C 00 01 FD ]; interrupts = <3 1>; - interrupt-parent = <ff000000>; - phy-handle = <e800f>; + interrupt-parent = <&Mpc8xx_pic>; + phy-handle = <&Phy>; }; - pic@ff000000 { - linux,phandle = <ff000000>; + mpc8xx_pic: pic@ff000000 { interrupt-controller; #address-cells = <0>; #interrupt-cells = <2>; @@ -91,7 +84,6 @@ }; cpm@ff000000 { - linux,phandle = <ff000000>; #address-cells = <1>; #size-cells = <1>; #interrupt-cells = <2>; @@ -102,15 +94,14 @@ command-proc = <9c0>; brg-frequency = <0>; interrupts = <0 2>; // cpm error interrupt - interrupt-parent = <930>; + interrupt-parent = <&Cpm_pic>; - pic@930 { - linux,phandle = <930>; + cpm_pic: pic@930 { interrupt-controller; #address-cells = <0>; #interrupt-cells = <2>; interrupts = <5 2 0 2>; - interrupt-parent = <ff000000>; + interrupt-parent = <&Mpc8xx_pic>; reg = <930 20>; built-in; device_type = "cpm-pic"; @@ -128,7 +119,7 @@ tx-clock = <1>; current-speed = <0>; interrupts = <4 3>; - interrupt-parent = <930>; + interrupt-parent = <&Cpm_pic>; }; smc@a90 { @@ -142,7 +133,7 @@ tx-clock = <2>; current-speed = <0>; interrupts = <3 3>; - interrupt-parent = <930>; + interrupt-parent = <&Cpm_pic>; }; scc@a00 { @@ -153,7 +144,7 @@ reg = <a00 18 3c00 80>; mac-address = [ 00 00 0C 00 03 FD ]; interrupts = <1e 3>; - interrupt-parent = <930>; + interrupt-parent = <&Cpm_pic>; }; }; }; diff --git a/arch/powerpc/boot/dts/mpc885ads.dts b/arch/powerpc/boot/dts/mpc885ads.dts index 110bf61..dc7ab9c 100644 --- a/arch/powerpc/boot/dts/mpc885ads.dts +++ b/arch/powerpc/boot/dts/mpc885ads.dts @@ -15,12 +15,10 @@ compatible = "mpc8xx"; #address-cells = <1>; #size-cells = <1>; - linux,phandle = <100>; cpus { #address-cells = <1>; #size-cells = <0>; - linux,phandle = <200>; PowerPC,885@0 { device_type = "cpu"; @@ -34,14 +32,12 @@ clock-frequency = <0>; 32-bit; interrupts = <f 2>; // decrementer interrupt - interrupt-parent = <ff000000>; - linux,phandle = <201>; + interrupt-parent = <&Mpc8xx_pic>; }; }; memory { device_type = "memory"; - linux,phandle = <300>; reg = <00000000 800000>; }; @@ -57,21 +53,17 @@ device_type = "mdio"; compatible = "fs_enet"; reg = <e80 8>; - linux,phandle = <e80>; #address-cells = <1>; #size-cells = <0>; - ethernet-phy@0 { - linux,phandle = <e8000>; + Phy0: ethernet-phy@0 { reg = <0>; device_type = "ethernet-phy"; }; - ethernet-phy@1 { - linux,phandle = <e8001>; + Phy1: ethernet-phy@1 { reg = <1>; device_type = "ethernet-phy"; }; - ethernet-phy@2 { - linux,phandle = <e8002>; + Phy2: ethernet-phy@2 { reg = <2>; device_type = "ethernet-phy"; }; @@ -85,8 +77,8 @@ reg = <e00 188>; mac-address = [ 00 00 0C 00 01 FD ]; interrupts = <3 1>; - interrupt-parent = <ff000000>; - phy-handle = <e8000>; + interrupt-parent = <&Mpc8xx_pic>; + phy-handle = <&Phy1>; }; fec@1e00 { @@ -97,12 +89,11 @@ reg = <1e00 188>; mac-address = [ 00 00 0C 00 02 FD ]; interrupts = <7 1>; - interrupt-parent = <ff000000>; - phy-handle = <e8001>; + interrupt-parent = <&Mpc8xx_pic>; + phy-handle = <&Phy2>; }; - pic@ff000000 { - linux,phandle = <ff000000>; + Mpc8xx_pic: pic@ff000000 { interrupt-controller; #address-cells = <0>; #interrupt-cells = <2>; @@ -112,8 +103,18 @@ compatible = "CPM"; }; + pcmcia@0080 { + #address-cells = <3>; + #interrupt-cells = <1>; + #size-cells = <2>; + compatible = "fsl,pq-pcmcia"; + device_type = "pcmcia"; + reg = <80 80>; + interrupt-parent = <&Mpc8xx_pic>; + interrupts = <d 1>; + }; + cpm@ff000000 { - linux,phandle = <ff000000>; #address-cells = <1>; #size-cells = <1>; #interrupt-cells = <2>; @@ -124,15 +125,14 @@ command-proc = <9c0>; brg-frequency = <0>; interrupts = <0 2>; // cpm error interrupt - interrupt-parent = <930>; + interrupt-parent = <&Cpm_pic>; - pic@930 { - linux,phandle = <930>; + Cpm_pic: pic@930 { interrupt-controller; #address-cells = <0>; #interrupt-cells = <2>; interrupts = <5 2 0 2>; - interrupt-parent = <ff000000>; + interrupt-parent = <&Mpc8xx_pic>; reg = <930 20>; built-in; device_type = "cpm-pic"; @@ -150,7 +150,7 @@ tx-clock = <1>; current-speed = <0>; interrupts = <4 3>; - interrupt-parent = <930>; + interrupt-parent = <&Cpm_pic>; }; smc@a90 { @@ -164,7 +164,7 @@ tx-clock = <2>; current-speed = <0>; interrupts = <3 3>; - interrupt-parent = <930>; + interrupt-parent = <&Cpm_pic>; }; scc@a40 { @@ -175,8 +175,8 @@ reg = <a40 18 3e00 80>; mac-address = [ 00 00 0C 00 03 FD ]; interrupts = <1c 3>; - interrupt-parent = <930>; - phy-handle = <e8002>; + interrupt-parent = <&Cpm_pic>; + phy-handle = <&Phy2>; }; }; }; diff --git a/arch/powerpc/boot/dts/prpmc2800.dts b/arch/powerpc/boot/dts/prpmc2800.dts index 568965a..699d0df 100644 --- a/arch/powerpc/boot/dts/prpmc2800.dts +++ b/arch/powerpc/boot/dts/prpmc2800.dts @@ -309,7 +309,7 @@ }; chosen { - bootargs = "ip=on console=ttyMM0"; + bootargs = "ip=on"; linux,stdout-path = "/mv64x60@f1000000/mpsc@8000"; }; }; diff --git a/arch/powerpc/boot/dts/ps3.dts b/arch/powerpc/boot/dts/ps3.dts new file mode 100644 index 0000000..379ded2 --- /dev/null +++ b/arch/powerpc/boot/dts/ps3.dts @@ -0,0 +1,68 @@ +/* + * PS3 Game Console device tree. + * + * Copyright (C) 2007 Sony Computer Entertainment Inc. + * Copyright 2007 Sony Corp. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/ { + model = "SonyPS3"; + compatible = "sony,ps3"; + #size-cells = <2>; + #address-cells = <2>; + + chosen { + }; + + /* + * We'll get the size of the bootmem block from lv1 after startup, + * so we'll put a null entry here. + */ + + memory { + device_type = "memory"; + reg = <0 0 0 0>; + }; + + /* + * The boot cpu is always zero for PS3. + * + * dtc expects a clock-frequency and timebase-frequency entries, so + * we'll put a null entries here. These will be initialized after + * startup with data from lv1. + * + * Seems the only way currently to indicate a processor has multiple + * threads is with an ibm,ppc-interrupt-server#s entry. We'll put one + * here so we can bring up both of ours. See smp_setup_cpu_maps(). + */ + + cpus { + #size-cells = <0>; + #address-cells = <1>; + + cpu@0 { + device_type = "cpu"; + reg = <0>; + ibm,ppc-interrupt-server#s = <0 1>; + clock-frequency = <0>; + timebase-frequency = <0>; + i-cache-size = <8000>; + d-cache-size = <8000>; + i-cache-line-size = <80>; + d-cache-line-size = <80>; + }; + }; +}; diff --git a/arch/powerpc/boot/ebony.c b/arch/powerpc/boot/ebony.c index b1251ee..75daeda 100644 --- a/arch/powerpc/boot/ebony.c +++ b/arch/powerpc/boot/ebony.c @@ -100,28 +100,13 @@ static void ebony_fixups(void) ibm440gp_fixup_clocks(sysclk, 6 * 1843200); ibm44x_fixup_memsize(); dt_fixup_mac_addresses(ebony_mac0, ebony_mac1); -} - -#define SPRN_DBCR0 0x134 -#define DBCR0_RST_SYSTEM 0x30000000 - -static void ebony_exit(void) -{ - unsigned long tmp; - - asm volatile ( - "mfspr %0,%1\n" - "oris %0,%0,%2@h\n" - "mtspr %1,%0" - : "=&r"(tmp) : "i"(SPRN_DBCR0), "i"(DBCR0_RST_SYSTEM) - ); - + ibm4xx_fixup_ebc_ranges("/plb/opb/ebc"); } void ebony_init(void *mac0, void *mac1) { platform_ops.fixups = ebony_fixups; - platform_ops.exit = ebony_exit; + platform_ops.exit = ibm44x_dbcr_reset; ebony_mac0 = mac0; ebony_mac1 = mac1; ft_init(_dtb_start, _dtb_end - _dtb_start, 32); diff --git a/arch/powerpc/boot/main.c b/arch/powerpc/boot/main.c index 56b56a8..416dc38 100644 --- a/arch/powerpc/boot/main.c +++ b/arch/powerpc/boot/main.c @@ -36,8 +36,6 @@ struct addr_range { unsigned long size; }; -typedef void (*kernel_entry_t)(unsigned long, unsigned long, void *); - #undef DEBUG static struct addr_range prep_kernel(void) diff --git a/arch/powerpc/boot/of.c b/arch/powerpc/boot/of.c index d16ee3e..385e08b 100644 --- a/arch/powerpc/boot/of.c +++ b/arch/powerpc/boot/of.c @@ -15,8 +15,7 @@ #include "page.h" #include "ops.h" -typedef void *ihandle; -typedef void *phandle; +#include "of.h" extern char _end[]; @@ -25,154 +24,10 @@ extern char _end[]; #define RAM_END (512<<20) /* Fixme: use OF */ #define ONE_MB 0x100000 -int (*prom) (void *); static unsigned long claim_base; -static int call_prom(const char *service, int nargs, int nret, ...) -{ - int i; - struct prom_args { - const char *service; - int nargs; - int nret; - unsigned int args[12]; - } args; - va_list list; - - args.service = service; - args.nargs = nargs; - args.nret = nret; - - va_start(list, nret); - for (i = 0; i < nargs; i++) - args.args[i] = va_arg(list, unsigned int); - va_end(list); - - for (i = 0; i < nret; i++) - args.args[nargs+i] = 0; - - if (prom(&args) < 0) - return -1; - - return (nret > 0)? args.args[nargs]: 0; -} - -static int call_prom_ret(const char *service, int nargs, int nret, - unsigned int *rets, ...) -{ - int i; - struct prom_args { - const char *service; - int nargs; - int nret; - unsigned int args[12]; - } args; - va_list list; - - args.service = service; - args.nargs = nargs; - args.nret = nret; - - va_start(list, rets); - for (i = 0; i < nargs; i++) - args.args[i] = va_arg(list, unsigned int); - va_end(list); - - for (i = 0; i < nret; i++) - args.args[nargs+i] = 0; - - if (prom(&args) < 0) - return -1; - - if (rets != (void *) 0) - for (i = 1; i < nret; ++i) - rets[i-1] = args.args[nargs+i]; - - return (nret > 0)? args.args[nargs]: 0; -} - -/* - * Older OF's require that when claiming a specific range of addresses, - * we claim the physical space in the /memory node and the virtual - * space in the chosen mmu node, and then do a map operation to - * map virtual to physical. - */ -static int need_map = -1; -static ihandle chosen_mmu; -static phandle memory; - -/* returns true if s2 is a prefix of s1 */ -static int string_match(const char *s1, const char *s2) -{ - for (; *s2; ++s2) - if (*s1++ != *s2) - return 0; - return 1; -} - -static int check_of_version(void) -{ - phandle oprom, chosen; - char version[64]; - - oprom = finddevice("/openprom"); - if (oprom == (phandle) -1) - return 0; - if (getprop(oprom, "model", version, sizeof(version)) <= 0) - return 0; - version[sizeof(version)-1] = 0; - printf("OF version = '%s'\r\n", version); - if (!string_match(version, "Open Firmware, 1.") - && !string_match(version, "FirmWorks,3.")) - return 0; - chosen = finddevice("/chosen"); - if (chosen == (phandle) -1) { - chosen = finddevice("/chosen@0"); - if (chosen == (phandle) -1) { - printf("no chosen\n"); - return 0; - } - } - if (getprop(chosen, "mmu", &chosen_mmu, sizeof(chosen_mmu)) <= 0) { - printf("no mmu\n"); - return 0; - } - memory = (ihandle) call_prom("open", 1, 1, "/memory"); - if (memory == (ihandle) -1) { - memory = (ihandle) call_prom("open", 1, 1, "/memory@0"); - if (memory == (ihandle) -1) { - printf("no memory node\n"); - return 0; - } - } - printf("old OF detected\r\n"); - return 1; -} - -static void *claim(unsigned long virt, unsigned long size, unsigned long align) -{ - int ret; - unsigned int result; - - if (need_map < 0) - need_map = check_of_version(); - if (align || !need_map) - return (void *) call_prom("claim", 3, 1, virt, size, align); - - ret = call_prom_ret("call-method", 5, 2, &result, "claim", memory, - align, size, virt); - if (ret != 0 || result == -1) - return (void *) -1; - ret = call_prom_ret("call-method", 5, 2, &result, "claim", chosen_mmu, - align, size, virt); - /* 0x12 == coherent + read/write */ - ret = call_prom("call-method", 6, 1, "map", chosen_mmu, - 0x12, size, virt, virt); - return (void *) virt; -} - static void *of_try_claim(unsigned long size) { unsigned long addr = 0; @@ -184,7 +39,7 @@ static void *of_try_claim(unsigned long size) #ifdef DEBUG printf(" trying: 0x%08lx\n\r", claim_base); #endif - addr = (unsigned long)claim(claim_base, size, 0); + addr = (unsigned long)of_claim(claim_base, size, 0); if ((void *)addr != (void *)-1) break; } @@ -208,64 +63,6 @@ static void of_image_hdr(const void *hdr) } } -static void *of_vmlinux_alloc(unsigned long size) -{ - void *p = malloc(size); - - if (!p) - fatal("Can't allocate memory for kernel image!\n\r"); - - return p; -} - -static void of_exit(void) -{ - call_prom("exit", 0, 0); -} - -/* - * OF device tree routines - */ -static void *of_finddevice(const char *name) -{ - return (phandle) call_prom("finddevice", 1, 1, name); -} - -static int of_getprop(const void *phandle, const char *name, void *buf, - const int buflen) -{ - return call_prom("getprop", 4, 1, phandle, name, buf, buflen); -} - -static int of_setprop(const void *phandle, const char *name, const void *buf, - const int buflen) -{ - return call_prom("setprop", 4, 1, phandle, name, buf, buflen); -} - -/* - * OF console routines - */ -static void *of_stdout_handle; - -static int of_console_open(void) -{ - void *devp; - - if (((devp = finddevice("/chosen")) != NULL) - && (getprop(devp, "stdout", &of_stdout_handle, - sizeof(of_stdout_handle)) - == sizeof(of_stdout_handle))) - return 0; - - return -1; -} - -static void of_console_write(char *buf, int len) -{ - call_prom("write", 3, 1, of_stdout_handle, buf, len); -} - void platform_init(unsigned long a1, unsigned long a2, void *promptr) { platform_ops.image_hdr = of_image_hdr; @@ -277,10 +74,9 @@ void platform_init(unsigned long a1, unsigned long a2, void *promptr) dt_ops.getprop = of_getprop; dt_ops.setprop = of_setprop; - console_ops.open = of_console_open; - console_ops.write = of_console_write; + of_console_init(); - prom = (int (*)(void *))promptr; + of_init(promptr); loader_info.promptr = promptr; if (a1 && a2 && a2 != 0xdeadbeef) { loader_info.initrd_addr = a1; diff --git a/arch/powerpc/boot/of.h b/arch/powerpc/boot/of.h new file mode 100644 index 0000000..e4c68f7 --- /dev/null +++ b/arch/powerpc/boot/of.h @@ -0,0 +1,21 @@ +#ifndef _PPC_BOOT_OF_H_ +#define _PPC_BOOT_OF_H_ + +typedef void *phandle; +typedef void *ihandle; + +void of_init(void *promptr); +int of_call_prom(const char *service, int nargs, int nret, ...); +void *of_claim(unsigned long virt, unsigned long size, unsigned long align); +void *of_vmlinux_alloc(unsigned long size); +void of_exit(void); +void *of_finddevice(const char *name); +int of_getprop(const void *phandle, const char *name, void *buf, + const int buflen); +int of_setprop(const void *phandle, const char *name, const void *buf, + const int buflen); + +/* Console functions */ +void of_console_init(void); + +#endif /* _PPC_BOOT_OF_H_ */ diff --git a/arch/powerpc/boot/ofconsole.c b/arch/powerpc/boot/ofconsole.c new file mode 100644 index 0000000..ce0e024 --- /dev/null +++ b/arch/powerpc/boot/ofconsole.c @@ -0,0 +1,45 @@ +/* + * OF console routines + * + * Copyright (C) Paul Mackerras 1997. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#include <stddef.h> +#include "types.h" +#include "elf.h" +#include "string.h" +#include "stdio.h" +#include "page.h" +#include "ops.h" + +#include "of.h" + +static void *of_stdout_handle; + +static int of_console_open(void) +{ + void *devp; + + if (((devp = of_finddevice("/chosen")) != NULL) + && (of_getprop(devp, "stdout", &of_stdout_handle, + sizeof(of_stdout_handle)) + == sizeof(of_stdout_handle))) + return 0; + + return -1; +} + +static void of_console_write(const char *buf, int len) +{ + of_call_prom("write", 3, 1, of_stdout_handle, buf, len); +} + +void of_console_init(void) +{ + console_ops.open = of_console_open; + console_ops.write = of_console_write; +} diff --git a/arch/powerpc/boot/oflib.c b/arch/powerpc/boot/oflib.c new file mode 100644 index 0000000..95b8fd6 --- /dev/null +++ b/arch/powerpc/boot/oflib.c @@ -0,0 +1,202 @@ +/* + * Copyright (C) Paul Mackerras 1997. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#include <stddef.h> +#include "types.h" +#include "elf.h" +#include "string.h" +#include "stdio.h" +#include "page.h" +#include "ops.h" + +#include "of.h" + +static int (*prom) (void *); + +void of_init(void *promptr) +{ + prom = (int (*)(void *))promptr; +} + +int of_call_prom(const char *service, int nargs, int nret, ...) +{ + int i; + struct prom_args { + const char *service; + int nargs; + int nret; + unsigned int args[12]; + } args; + va_list list; + + args.service = service; + args.nargs = nargs; + args.nret = nret; + + va_start(list, nret); + for (i = 0; i < nargs; i++) + args.args[i] = va_arg(list, unsigned int); + va_end(list); + + for (i = 0; i < nret; i++) + args.args[nargs+i] = 0; + + if (prom(&args) < 0) + return -1; + + return (nret > 0)? args.args[nargs]: 0; +} + +static int of_call_prom_ret(const char *service, int nargs, int nret, + unsigned int *rets, ...) +{ + int i; + struct prom_args { + const char *service; + int nargs; + int nret; + unsigned int args[12]; + } args; + va_list list; + + args.service = service; + args.nargs = nargs; + args.nret = nret; + + va_start(list, rets); + for (i = 0; i < nargs; i++) + args.args[i] = va_arg(list, unsigned int); + va_end(list); + + for (i = 0; i < nret; i++) + args.args[nargs+i] = 0; + + if (prom(&args) < 0) + return -1; + + if (rets != (void *) 0) + for (i = 1; i < nret; ++i) + rets[i-1] = args.args[nargs+i]; + + return (nret > 0)? args.args[nargs]: 0; +} + +/* returns true if s2 is a prefix of s1 */ +static int string_match(const char *s1, const char *s2) +{ + for (; *s2; ++s2) + if (*s1++ != *s2) + return 0; + return 1; +} + +/* + * Older OF's require that when claiming a specific range of addresses, + * we claim the physical space in the /memory node and the virtual + * space in the chosen mmu node, and then do a map operation to + * map virtual to physical. + */ +static int need_map = -1; +static ihandle chosen_mmu; +static phandle memory; + +static int check_of_version(void) +{ + phandle oprom, chosen; + char version[64]; + + oprom = of_finddevice("/openprom"); + if (oprom == (phandle) -1) + return 0; + if (of_getprop(oprom, "model", version, sizeof(version)) <= 0) + return 0; + version[sizeof(version)-1] = 0; + printf("OF version = '%s'\r\n", version); + if (!string_match(version, "Open Firmware, 1.") + && !string_match(version, "FirmWorks,3.")) + return 0; + chosen = of_finddevice("/chosen"); + if (chosen == (phandle) -1) { + chosen = of_finddevice("/chosen@0"); + if (chosen == (phandle) -1) { + printf("no chosen\n"); + return 0; + } + } + if (of_getprop(chosen, "mmu", &chosen_mmu, sizeof(chosen_mmu)) <= 0) { + printf("no mmu\n"); + return 0; + } + memory = (ihandle) of_call_prom("open", 1, 1, "/memory"); + if (memory == (ihandle) -1) { + memory = (ihandle) of_call_prom("open", 1, 1, "/memory@0"); + if (memory == (ihandle) -1) { + printf("no memory node\n"); + return 0; + } + } + printf("old OF detected\r\n"); + return 1; +} + +void *of_claim(unsigned long virt, unsigned long size, unsigned long align) +{ + int ret; + unsigned int result; + + if (need_map < 0) + need_map = check_of_version(); + if (align || !need_map) + return (void *) of_call_prom("claim", 3, 1, virt, size, align); + + ret = of_call_prom_ret("call-method", 5, 2, &result, "claim", memory, + align, size, virt); + if (ret != 0 || result == -1) + return (void *) -1; + ret = of_call_prom_ret("call-method", 5, 2, &result, "claim", chosen_mmu, + align, size, virt); + /* 0x12 == coherent + read/write */ + ret = of_call_prom("call-method", 6, 1, "map", chosen_mmu, + 0x12, size, virt, virt); + return (void *) virt; +} + +void *of_vmlinux_alloc(unsigned long size) +{ + void *p = malloc(size); + + if (!p) + fatal("Can't allocate memory for kernel image!\n\r"); + + return p; +} + +void of_exit(void) +{ + of_call_prom("exit", 0, 0); +} + +/* + * OF device tree routines + */ +void *of_finddevice(const char *name) +{ + return (phandle) of_call_prom("finddevice", 1, 1, name); +} + +int of_getprop(const void *phandle, const char *name, void *buf, + const int buflen) +{ + return of_call_prom("getprop", 4, 1, phandle, name, buf, buflen); +} + +int of_setprop(const void *phandle, const char *name, const void *buf, + const int buflen) +{ + return of_call_prom("setprop", 4, 1, phandle, name, buf, buflen); +} diff --git a/arch/powerpc/boot/ops.h b/arch/powerpc/boot/ops.h index 959124f..8607706 100644 --- a/arch/powerpc/boot/ops.h +++ b/arch/powerpc/boot/ops.h @@ -19,6 +19,8 @@ #define MAX_PATH_LEN 256 #define MAX_PROP_LEN 256 /* What should this be? */ +typedef void (*kernel_entry_t)(unsigned long r3, unsigned long r4, void *r5); + /* Platform specific operations */ struct platform_ops { void (*fixups)(void); @@ -51,7 +53,7 @@ extern struct dt_ops dt_ops; /* Console operations */ struct console_ops { int (*open)(void); - void (*write)(char *buf, int len); + void (*write)(const char *buf, int len); void (*edit_cmdline)(char *buf, int len); void (*close)(void); void *data; diff --git a/arch/powerpc/boot/ps3-head.S b/arch/powerpc/boot/ps3-head.S new file mode 100644 index 0000000..1a6d64a --- /dev/null +++ b/arch/powerpc/boot/ps3-head.S @@ -0,0 +1,80 @@ +/* + * PS3 bootwrapper entry. + * + * Copyright (C) 2007 Sony Computer Entertainment Inc. + * Copyright 2007 Sony Corp. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include "ppc_asm.h" + + .text + +/* + * __system_reset_overlay - The PS3 first stage entry. + * + * The bootwraper build script copies the 0x100 bytes at symbol + * __system_reset_overlay to offset 0x100 of the rom image. + * + * The PS3 has a single processor with two threads. + */ + + .globl __system_reset_overlay +__system_reset_overlay: + + /* Switch to 32-bit mode. */ + + mfmsr r9 + clrldi r9,r9,1 + mtmsrd r9 + nop + + /* Get thread number in r3 and branch. */ + + mfspr r3, 0x88 + cntlzw. r3, r3 + li r4, 0 + li r5, 0 + beq 1f + + /* Secondary goes to __secondary_hold in kernel. */ + + li r4, 0x60 + mtctr r4 + bctr + + /* Primary delays then goes to _zimage_start in wrapper. */ +1: + or 31, 31, 31 /* db16cyc */ + or 31, 31, 31 /* db16cyc */ + + lis r4, _zimage_start@ha + addi r4, r4, _zimage_start@l + mtctr r4 + bctr + +/* + * __system_reset_kernel - Place holder for the kernel reset vector. + * + * The bootwrapper build script copies 0x100 bytes from offset 0x100 + * of the rom image to the symbol __system_reset_kernel. At runtime + * the bootwrapper program copies the 0x100 bytes at __system_reset_kernel + * to ram address 0x100. This symbol must occupy 0x100 bytes. + */ + + .globl __system_reset_kernel +__system_reset_kernel: + + . = __system_reset_kernel + 0x100 diff --git a/arch/powerpc/boot/ps3-hvcall.S b/arch/powerpc/boot/ps3-hvcall.S new file mode 100644 index 0000000..c8b7df3 --- /dev/null +++ b/arch/powerpc/boot/ps3-hvcall.S @@ -0,0 +1,184 @@ +/* + * PS3 bootwrapper hvcalls. + * + * Copyright (C) 2007 Sony Computer Entertainment Inc. + * Copyright 2007 Sony Corp. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include "ppc_asm.h" + +/* + * The PS3 hypervisor uses a 64 bit "C" language calling convention. + * The routines here marshal arguments between the 32 bit wrapper + * program and the 64 bit hvcalls. + * + * wrapper lv1 + * 32-bit (h,l) 64-bit + * + * 1: r3,r4 <-> r3 + * 2: r5,r6 <-> r4 + * 3: r7,r8 <-> r5 + * 4: r9,r10 <-> r6 + * 5: 8(r1),12(r1) <-> r7 + * 6: 16(r1),20(r1) <-> r8 + * 7: 24(r1),28(r1) <-> r9 + * 8: 32(r1),36(r1) <-> r10 + * + */ + +.macro GLOBAL name + .section ".text" + .balign 4 + .globl \name +\name: +.endm + +.macro NO_SUPPORT name + GLOBAL \name + b ps3_no_support +.endm + +.macro HVCALL num + li r11, \num + .long 0x44000022 + extsw r3, r3 +.endm + +.macro SAVE_LR offset=4 + mflr r0 + stw r0, \offset(r1) +.endm + +.macro LOAD_LR offset=4 + lwz r0, \offset(r1) + mtlr r0 +.endm + +.macro LOAD_64_REG target,high,low + sldi r11, \high, 32 + or \target, r11, \low +.endm + +.macro LOAD_64_STACK target,offset + ld \target, \offset(r1) +.endm + +.macro LOAD_R3 + LOAD_64_REG r3,r3,r4 +.endm + +.macro LOAD_R4 + LOAD_64_REG r4,r5,r6 +.endm + +.macro LOAD_R5 + LOAD_64_REG r5,r7,r8 +.endm + +.macro LOAD_R6 + LOAD_64_REG r6,r9,r10 +.endm + +.macro LOAD_R7 + LOAD_64_STACK r7,8 +.endm + +.macro LOAD_R8 + LOAD_64_STACK r8,16 +.endm + +.macro LOAD_R9 + LOAD_64_STACK r9,24 +.endm + +.macro LOAD_R10 + LOAD_64_STACK r10,32 +.endm + +.macro LOAD_REGS_0 + stwu 1,-16(1) + stw 3, 8(1) +.endm + +.macro LOAD_REGS_5 + LOAD_R3 + LOAD_R4 + LOAD_R5 + LOAD_R6 + LOAD_R7 +.endm + +.macro LOAD_REGS_6 + LOAD_REGS_5 + LOAD_R8 +.endm + +.macro LOAD_REGS_8 + LOAD_REGS_6 + LOAD_R9 + LOAD_R10 +.endm + +.macro STORE_REGS_0_1 + lwz r11, 8(r1) + std r4, 0(r11) + mr r4, r3 + li r3, 0 + addi r1,r1,16 +.endm + +.macro STORE_REGS_5_2 + lwz r11, 16(r1) + std r4, 0(r11) + lwz r11, 24(r1) + std r5, 0(r11) +.endm + +.macro STORE_REGS_6_1 + lwz r11, 24(r1) + std r4, 0(r11) +.endm + +GLOBAL lv1_get_logical_ppe_id + SAVE_LR + LOAD_REGS_0 + HVCALL 69 + STORE_REGS_0_1 + LOAD_LR + blr + +GLOBAL lv1_get_logical_partition_id + SAVE_LR + LOAD_REGS_0 + HVCALL 74 + STORE_REGS_0_1 + LOAD_LR + blr + +GLOBAL lv1_get_repository_node_value + SAVE_LR + LOAD_REGS_5 + HVCALL 91 + STORE_REGS_5_2 + LOAD_LR + blr + +GLOBAL lv1_panic + SAVE_LR + LOAD_REGS_8 + HVCALL 255 + LOAD_LR + blr diff --git a/arch/powerpc/boot/ps3.c b/arch/powerpc/boot/ps3.c new file mode 100644 index 0000000..893d593 --- /dev/null +++ b/arch/powerpc/boot/ps3.c @@ -0,0 +1,161 @@ +/* + * PS3 bootwrapper support. + * + * Copyright (C) 2007 Sony Computer Entertainment Inc. + * Copyright 2007 Sony Corp. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <stdarg.h> +#include <stddef.h> +#include "types.h" +#include "elf.h" +#include "string.h" +#include "stdio.h" +#include "page.h" +#include "ops.h" + +extern s64 lv1_panic(u64 in_1); +extern s64 lv1_get_logical_partition_id(u64 *out_1); +extern s64 lv1_get_logical_ppe_id(u64 *out_1); +extern s64 lv1_get_repository_node_value(u64 in_1, u64 in_2, u64 in_3, + u64 in_4, u64 in_5, u64 *out_1, u64 *out_2); + +#ifdef DEBUG +#define DBG(fmt...) printf(fmt) +#else +static inline int __attribute__ ((format (printf, 1, 2))) DBG( + const char *fmt, ...) {return 0;} +#endif + +BSS_STACK(4096); + +/* A buffer that may be edited by tools operating on a zImage binary so as to + * edit the command line passed to vmlinux (by setting /chosen/bootargs). + * The buffer is put in it's own section so that tools may locate it easier. + */ +static char cmdline[COMMAND_LINE_SIZE] + __attribute__((__section__("__builtin_cmdline"))); + +static void prep_cmdline(void *chosen) +{ + if (cmdline[0] == '\0') + getprop(chosen, "bootargs", cmdline, COMMAND_LINE_SIZE-1); + else + setprop_str(chosen, "bootargs", cmdline); + + printf("cmdline: '%s'\n", cmdline); +} + +static void ps3_console_write(const char *buf, int len) +{ +} + +static void ps3_exit(void) +{ + printf("ps3_exit\n"); + + /* lv1_panic will shutdown the lpar. */ + + lv1_panic(0); /* zero = do not reboot */ + while (1); +} + +static int ps3_repository_read_rm_size(u64 *rm_size) +{ + s64 result; + u64 lpar_id; + u64 ppe_id; + u64 v2; + + result = lv1_get_logical_partition_id(&lpar_id); + + if (result) + return -1; + + result = lv1_get_logical_ppe_id(&ppe_id); + + if (result) + return -1; + + /* + * n1: 0000000062690000 : ....bi.. + * n2: 7075000000000000 : pu...... + * n3: 0000000000000001 : ........ + * n4: 726d5f73697a6500 : rm_size. + */ + + result = lv1_get_repository_node_value(lpar_id, 0x0000000062690000ULL, + 0x7075000000000000ULL, ppe_id, 0x726d5f73697a6500ULL, rm_size, + &v2); + + printf("%s:%d: ppe_id %lu \n", __func__, __LINE__, + (unsigned long)ppe_id); + printf("%s:%d: lpar_id %lu \n", __func__, __LINE__, + (unsigned long)lpar_id); + printf("%s:%d: rm_size %llxh \n", __func__, __LINE__, *rm_size); + + return result ? -1 : 0; +} + +void ps3_copy_vectors(void) +{ + extern char __system_reset_kernel[]; + + memcpy((void *)0x100, __system_reset_kernel, 0x100); + flush_cache((void *)0x100, 0x100); +} + +void platform_init(void) +{ + extern char _end[]; + extern char _dtb_start[]; + extern char _initrd_start[]; + extern char _initrd_end[]; + const u32 heapsize = 0x1000000 - (u32)_end; /* 16MiB */ + void *chosen; + unsigned long ft_addr; + u64 rm_size; + + console_ops.write = ps3_console_write; + platform_ops.exit = ps3_exit; + + printf("\n-- PS3 bootwrapper --\n"); + + simple_alloc_init(_end, heapsize, 32, 64); + ft_init(_dtb_start, 0, 4); + + chosen = finddevice("/chosen"); + + ps3_repository_read_rm_size(&rm_size); + dt_fixup_memory(0, rm_size); + + if (_initrd_end > _initrd_start) { + setprop_val(chosen, "linux,initrd-start", (u32)(_initrd_start)); + setprop_val(chosen, "linux,initrd-end", (u32)(_initrd_end)); + } + + prep_cmdline(chosen); + + ft_addr = dt_ops.finalize(); + + ps3_copy_vectors(); + + printf(" flat tree at 0x%lx\n\r", ft_addr); + + ((kernel_entry_t)0)(ft_addr, 0, NULL); + + ps3_exit(); +} diff --git a/arch/powerpc/boot/serial.c b/arch/powerpc/boot/serial.c index 7fd3233..eaa0d3a 100644 --- a/arch/powerpc/boot/serial.c +++ b/arch/powerpc/boot/serial.c @@ -27,7 +27,7 @@ static int serial_open(void) return scdp->open(); } -static void serial_write(char *buf, int len) +static void serial_write(const char *buf, int len) { struct serial_console_data *scdp = console_ops.data; diff --git a/arch/powerpc/boot/stdio.c b/arch/powerpc/boot/stdio.c index 0a9feeb..5b57800 100644 --- a/arch/powerpc/boot/stdio.c +++ b/arch/powerpc/boot/stdio.c @@ -190,7 +190,11 @@ int vsprintf(char *buf, const char *fmt, va_list args) /* get the conversion qualifier */ qualifier = -1; - if (*fmt == 'h' || *fmt == 'l' || *fmt == 'L' || *fmt =='Z') { + if (*fmt == 'l' && *(fmt + 1) == 'l') { + qualifier = 'q'; + fmt += 2; + } else if (*fmt == 'h' || *fmt == 'l' || *fmt == 'L' + || *fmt == 'Z') { qualifier = *fmt; ++fmt; } @@ -281,6 +285,10 @@ int vsprintf(char *buf, const char *fmt, va_list args) num = va_arg(args, unsigned long); if (flags & SIGN) num = (signed long) num; + } else if (qualifier == 'q') { + num = va_arg(args, unsigned long long); + if (flags & SIGN) + num = (signed long long) num; } else if (qualifier == 'Z') { num = va_arg(args, size_t); } else if (qualifier == 'h') { diff --git a/arch/powerpc/boot/types.h b/arch/powerpc/boot/types.h index 79d26e7..31393d1 100644 --- a/arch/powerpc/boot/types.h +++ b/arch/powerpc/boot/types.h @@ -7,6 +7,10 @@ typedef unsigned char u8; typedef unsigned short u16; typedef unsigned int u32; typedef unsigned long long u64; +typedef signed char s8; +typedef short s16; +typedef int s32; +typedef long long s64; #define min(x,y) ({ \ typeof(x) _x = (x); \ diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper index da77adc..65f6854 100755 --- a/arch/powerpc/boot/wrapper +++ b/arch/powerpc/boot/wrapper @@ -144,6 +144,15 @@ miboot|uboot) cuboot*) gzip= ;; +ps3) + platformo="$object/ps3-head.o $object/ps3-hvcall.o $object/ps3.o" + lds=$object/zImage.ps3.lds + gzip= + ext=bin + objflags="-O binary --set-section-flags=.bss=contents,alloc,load,data" + ksection=.kernel:vmlinux.bin + isection=.kernel:initrd + ;; esac vmz="$tmpdir/`basename \"$kernel\"`.$ext" @@ -239,4 +248,50 @@ treeboot*) fi exit 0 ;; +ps3) + # The ps3's loader supports loading gzipped binary images from flash + # rom to addr zero. The loader enters the image at addr 0x100. A + # bootwrapper overlay is use to arrange for the kernel to be loaded + # to addr zero and to have a suitable bootwrapper entry at 0x100. + # To construct the rom image, 0x100 bytes from offset 0x100 in the + # kernel is copied to the bootwrapper symbol __system_reset_kernel. + # The 0x100 bytes at the bootwrapper symbol __system_reset_overlay is + # then copied to offset 0x100. At runtime the bootwrapper program + # copies the 0x100 bytes at __system_reset_kernel to addr 0x100. + + system_reset_overlay=0x`${CROSS}nm "$ofile" \ + | grep ' __system_reset_overlay$' \ + | cut -d' ' -f1` + system_reset_overlay=`printf "%d" $system_reset_overlay` + system_reset_kernel=0x`${CROSS}nm "$ofile" \ + | grep ' __system_reset_kernel$' \ + | cut -d' ' -f1` + system_reset_kernel=`printf "%d" $system_reset_kernel` + overlay_dest="256" + overlay_size="256" + + rm -f "$object/otheros.bld" + + ${CROSS}objcopy -O binary "$ofile" "$ofile.bin" + + msg=$(dd if="$ofile.bin" of="$ofile.bin" conv=notrunc \ + skip=$overlay_dest seek=$system_reset_kernel \ + count=$overlay_size bs=1 2>&1) + + if [ $? -ne "0" ]; then + echo $msg + exit 1 + fi + + msg=$(dd if="$ofile.bin" of="$ofile.bin" conv=notrunc \ + skip=$system_reset_overlay seek=$overlay_dest \ + count=$overlay_size bs=1 2>&1) + + if [ $? -ne "0" ]; then + echo $msg + exit 2 + fi + + gzip --force -9 --stdout "$ofile.bin" > "$object/otheros.bld" + ;; esac diff --git a/arch/powerpc/boot/zImage.ps3.lds.S b/arch/powerpc/boot/zImage.ps3.lds.S new file mode 100644 index 0000000..aaa469c --- /dev/null +++ b/arch/powerpc/boot/zImage.ps3.lds.S @@ -0,0 +1,50 @@ +OUTPUT_ARCH(powerpc:common) +ENTRY(_zimage_start) +EXTERN(_zimage_start) +SECTIONS +{ + _vmlinux_start = .; + .kernel:vmlinux.bin : { *(.kernel:vmlinux.bin) } + _vmlinux_end = .; + + . = ALIGN(4096); + _dtb_start = .; + .kernel:dtb : { *(.kernel:dtb) } + _dtb_end = .; + + . = ALIGN(4096); + _initrd_start = .; + .kernel:initrd : { *(.kernel:initrd) } + _initrd_end = .; + + _start = .; + .text : + { + *(.text) + *(.fixup) + } + _etext = .; + . = ALIGN(4096); + .data : + { + *(.rodata*) + *(.data*) + *(.sdata*) + __got2_start = .; + *(.got2) + __got2_end = .; + } + + . = ALIGN(4096); + _edata = .; + + . = ALIGN(4096); + __bss_start = .; + .bss : + { + *(.sbss) + *(.bss) + } + . = ALIGN(4096); + _end = . ; +} diff --git a/arch/powerpc/configs/holly_defconfig b/arch/powerpc/configs/holly_defconfig index 3278184..04b94f8 100644 --- a/arch/powerpc/configs/holly_defconfig +++ b/arch/powerpc/configs/holly_defconfig @@ -190,10 +190,12 @@ CONFIG_SPLIT_PTLOCK_CPUS=4 # CONFIG_RESOURCES_64BIT is not set CONFIG_ZONE_DMA_FLAG=1 CONFIG_PROC_DEVICETREE=y -# CONFIG_CMDLINE_BOOL is not set +CONFIG_CMDLINE_BOOL=y +CONFIG_CMDLINE="console=ttyS0,115200" # CONFIG_PM is not set # CONFIG_SECCOMP is not set -# CONFIG_WANT_DEVICE_TREE is not set +CONFIG_WANT_DEVICE_TREE=y +CONFIG_DEVICE_TREE="holly.dts" CONFIG_ISA_DMA_API=y # diff --git a/arch/powerpc/configs/ps3_defconfig b/arch/powerpc/configs/ps3_defconfig index 956d1df..d0b43df 100644 --- a/arch/powerpc/configs/ps3_defconfig +++ b/arch/powerpc/configs/ps3_defconfig @@ -156,7 +156,11 @@ CONFIG_PS3_HTAB_SIZE=20 CONFIG_PS3_USE_LPAR_ADDR=y CONFIG_PS3_VUART=y CONFIG_PS3_PS3AV=y -CONFIG_PS3_SYS_MANAGER=y +CONFIG_PS3_SYS_MANAGER=m +CONFIG_PS3_STORAGE=y +CONFIG_PS3_DISK=y +CONFIG_PS3_ROM=y +CONFIG_PS3_FLASH=y CONFIG_PPC_CELL=y # CONFIG_PPC_CELL_NATIVE is not set # CONFIG_PPC_IBM_CELL_BLADE is not set @@ -335,7 +339,7 @@ CONFIG_BT=m CONFIG_BT_L2CAP=m CONFIG_BT_SCO=m CONFIG_BT_RFCOMM=m -# CONFIG_BT_RFCOMM_TTY is not set +CONFIG_BT_RFCOMM_TTY=y # CONFIG_BT_BNEP is not set CONFIG_BT_HIDP=m @@ -344,7 +348,9 @@ CONFIG_BT_HIDP=m # CONFIG_BT_HCIUSB=m CONFIG_BT_HCIUSB_SCO=y -# CONFIG_BT_HCIUART is not set +CONFIG_BT_HCIUART=m +CONFIG_BT_HCIUART_H4=y +CONFIG_BT_HCIUART_BCSP=y # CONFIG_BT_HCIBCM203X is not set # CONFIG_BT_HCIBPA10X is not set # CONFIG_BT_HCIBFUSB is not set @@ -435,7 +441,7 @@ CONFIG_CHR_DEV_SG=m # # Some SCSI devices (e.g. CD jukebox) support multiple LUNs # -# CONFIG_SCSI_MULTI_LUN is not set +CONFIG_SCSI_MULTI_LUN=y # CONFIG_SCSI_CONSTANTS is not set # CONFIG_SCSI_LOGGING is not set # CONFIG_SCSI_SCAN_ASYNC is not set @@ -479,6 +485,7 @@ CONFIG_NETDEVICES=y CONFIG_MII=m CONFIG_NETDEV_1000=y CONFIG_NETDEV_10000=y +CONFIG_GELIC_NET=y # # Wireless LAN @@ -546,7 +553,27 @@ CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 # # CONFIG_INPUT_KEYBOARD is not set # CONFIG_INPUT_MOUSE is not set -# CONFIG_INPUT_JOYSTICK is not set +CONFIG_INPUT_JOYSTICK=y +# CONFIG_JOYSTICK_ANALOG is not set +# CONFIG_JOYSTICK_A3D is not set +# CONFIG_JOYSTICK_ADI is not set +# CONFIG_JOYSTICK_COBRA is not set +# CONFIG_JOYSTICK_GF2K is not set +# CONFIG_JOYSTICK_GRIP is not set +# CONFIG_JOYSTICK_GRIP_MP is not set +# CONFIG_JOYSTICK_GUILLEMOT is not set +# CONFIG_JOYSTICK_INTERACT is not set +# CONFIG_JOYSTICK_SIDEWINDER is not set +# CONFIG_JOYSTICK_TMDC is not set +# CONFIG_JOYSTICK_IFORCE is not set +# CONFIG_JOYSTICK_WARRIOR is not set +# CONFIG_JOYSTICK_MAGELLAN is not set +# CONFIG_JOYSTICK_SPACEORB is not set +# CONFIG_JOYSTICK_SPACEBALL is not set +# CONFIG_JOYSTICK_STINGER is not set +# CONFIG_JOYSTICK_TWIDJOY is not set +# CONFIG_JOYSTICK_JOYDUMP is not set +# CONFIG_JOYSTICK_XPAD is not set # CONFIG_INPUT_TABLET is not set # CONFIG_INPUT_TOUCHSCREEN is not set # CONFIG_INPUT_MISC is not set @@ -563,7 +590,7 @@ CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 CONFIG_VT=y CONFIG_VT_CONSOLE=y CONFIG_HW_CONSOLE=y -# CONFIG_VT_HW_CONSOLE_BINDING is not set +CONFIG_VT_HW_CONSOLE_BINDING=y # CONFIG_SERIAL_NONSTANDARD is not set # @@ -1086,7 +1113,7 @@ CONFIG_HAS_DMA=y # # CONFIG_PRINTK_TIME is not set CONFIG_ENABLE_MUST_CHECK=y -# CONFIG_MAGIC_SYSRQ is not set +CONFIG_MAGIC_SYSRQ=y # CONFIG_UNUSED_SYMBOLS is not set # CONFIG_DEBUG_FS is not set # CONFIG_HEADERS_CHECK is not set @@ -1116,16 +1143,7 @@ CONFIG_DEBUG_STACKOVERFLOW=y # CONFIG_DEBUGGER is not set CONFIG_IRQSTACKS=y # CONFIG_BOOTX_TEXT is not set -CONFIG_PPC_EARLY_DEBUG=y -# CONFIG_PPC_EARLY_DEBUG_LPAR is not set -# CONFIG_PPC_EARLY_DEBUG_G5 is not set -# CONFIG_PPC_EARLY_DEBUG_RTAS_PANEL is not set -# CONFIG_PPC_EARLY_DEBUG_RTAS_CONSOLE is not set -# CONFIG_PPC_EARLY_DEBUG_MAPLE is not set -# CONFIG_PPC_EARLY_DEBUG_ISERIES is not set -# CONFIG_PPC_EARLY_DEBUG_PAS_REALMODE is not set -# CONFIG_PPC_EARLY_DEBUG_BEAT is not set -# CONFIG_PPC_EARLY_DEBUG_44x is not set +# CONFIG_PPC_EARLY_DEBUG is not set # # Security options diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index 3e779f0..42c42ec 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -12,7 +12,8 @@ endif obj-y := semaphore.o cputable.o ptrace.o syscalls.o \ irq.o align.o signal_32.o pmc.o vdso.o \ - init_task.o process.o systbl.o idle.o + init_task.o process.o systbl.o idle.o \ + signal.o obj-y += vdso32/ obj-$(CONFIG_PPC64) += setup_64.o binfmt_elf32.o sys_ppc32.o \ signal_64.o ptrace32.o \ @@ -65,9 +66,9 @@ obj-$(CONFIG_PPC_UDBG_16550) += legacy_serial.o udbg_16550.o module-$(CONFIG_PPC64) += module_64.o obj-$(CONFIG_MODULES) += $(module-y) -pci64-$(CONFIG_PPC64) += pci_64.o pci_dn.o +pci64-$(CONFIG_PPC64) += pci_64.o pci_dn.o isa-bridge.o pci32-$(CONFIG_PPC32) := pci_32.o -obj-$(CONFIG_PCI) += $(pci64-y) $(pci32-y) +obj-$(CONFIG_PCI) += $(pci64-y) $(pci32-y) pci-common.o obj-$(CONFIG_PCI_MSI) += msi.o kexec-$(CONFIG_PPC64) := machine_kexec_64.o kexec-$(CONFIG_PPC32) := machine_kexec_32.o diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index b2b5d66..b1f8000 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -294,6 +294,21 @@ static struct cpu_spec cpu_specs[] = { .oprofile_mmcra_sipr = MMCRA_SIPR, .platform = "power5", }, + { /* Power5++ */ + .pvr_mask = 0xffffff00, + .pvr_value = 0x003b0300, + .cpu_name = "POWER5+ (gs)", + .cpu_features = CPU_FTRS_POWER5, + .cpu_user_features = COMMON_USER_POWER5_PLUS, + .icache_bsize = 128, + .dcache_bsize = 128, + .num_pmcs = 6, + .oprofile_cpu_type = "ppc64/power5++", + .oprofile_type = PPC_OPROFILE_POWER4, + .oprofile_mmcra_sihv = MMCRA_SIHV, + .oprofile_mmcra_sipr = MMCRA_SIPR, + .platform = "power5+", + }, { /* Power5 GS */ .pvr_mask = 0xffff0000, .pvr_value = 0x003b0000, @@ -1178,8 +1193,8 @@ static struct cpu_spec cpu_specs[] = { .platform = "ppc440", }, { /* 440SP Rev. A */ - .pvr_mask = 0xff000fff, - .pvr_value = 0x53000891, + .pvr_mask = 0xfff00fff, + .pvr_value = 0x53200891, .cpu_name = "440SP Rev. A", .cpu_features = CPU_FTRS_44X, .cpu_user_features = COMMON_USER_BOOKE, @@ -1188,9 +1203,19 @@ static struct cpu_spec cpu_specs[] = { .platform = "ppc440", }, { /* 440SPe Rev. A */ - .pvr_mask = 0xff000fff, - .pvr_value = 0x53000890, - .cpu_name = "440SPe Rev. A", + .pvr_mask = 0xfff00fff, + .pvr_value = 0x53400890, + .cpu_name = "440SPe Rev. A", + .cpu_features = CPU_FTRS_44X, + .cpu_user_features = COMMON_USER_BOOKE, + .icache_bsize = 32, + .dcache_bsize = 32, + .platform = "ppc440", + }, + { /* 440SPe Rev. B */ + .pvr_mask = 0xfff00fff, + .pvr_value = 0x53400891, + .cpu_name = "440SPe Rev. B", .cpu_features = CPU_FTRS_44X, .cpu_user_features = COMMON_USER_BOOKE, .icache_bsize = 32, diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S index c897203..7d73a13 100644 --- a/arch/powerpc/kernel/head_32.S +++ b/arch/powerpc/kernel/head_32.S @@ -9,7 +9,6 @@ * rewritten by Paul Mackerras. * Copyright (C) 1996 Paul Mackerras. * MPC8xx modifications Copyright (C) 1997 Dan Malek (dmalek@jlc.net). - * Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk). * * This file contains the low-level support and setup for the * PowerPC platform, including trap and interrupt dispatch. @@ -32,10 +31,6 @@ #include <asm/ppc_asm.h> #include <asm/asm-offsets.h> -#ifdef CONFIG_APUS -#include <asm/amigappc.h> -#endif - /* 601 only have IBAT; cr0.eq is set on 601 when using this macro */ #define LOAD_BAT(n, reg, RA, RB) \ /* see the comment for clear_bats() -- Cort */ \ @@ -92,11 +87,6 @@ _start: * r4: virtual address of boot_infos_t * r5: 0 * - * APUS - * r3: 'APUS' - * r4: physical address of memory base - * Linux/m68k style BootInfo structure at &_end. - * * PREP * This is jumped to on prep systems right after the kernel is relocated * to its proper place in memory by the boot loader. The expected layout @@ -150,14 +140,6 @@ __start: */ bl early_init -#ifdef CONFIG_APUS -/* On APUS the __va/__pa constants need to be set to the correct - * values before continuing. - */ - mr r4,r30 - bl fix_mem_constants -#endif /* CONFIG_APUS */ - /* Switch MMU off, clear BATs and flush TLB. At this point, r3 contains * the physical address we are running at, returned by early_init() */ @@ -167,7 +149,7 @@ __after_mmu_off: bl flush_tlbs bl initial_bats -#if !defined(CONFIG_APUS) && defined(CONFIG_BOOTX_TEXT) +#if defined(CONFIG_BOOTX_TEXT) bl setup_disp_bat #endif @@ -183,7 +165,6 @@ __after_mmu_off: #endif /* CONFIG_6xx */ -#ifndef CONFIG_APUS /* * We need to run with _start at physical address 0. * On CHRP, we are loaded at 0x10000 since OF on CHRP uses @@ -196,7 +177,6 @@ __after_mmu_off: addis r4,r3,KERNELBASE@h /* current address of _start */ cmpwi 0,r4,0 /* are we already running at 0? */ bne relocate_kernel -#endif /* CONFIG_APUS */ /* * we now have the 1st 16M of ram mapped with the bats. * prep needs the mmu to be turned on here, but pmac already has it on. @@ -881,85 +861,6 @@ _GLOBAL(copy_and_flush) addi r6,r6,4 blr -#ifdef CONFIG_APUS -/* - * On APUS the physical base address of the kernel is not known at compile - * time, which means the __pa/__va constants used are incorrect. In the - * __init section is recorded the virtual addresses of instructions using - * these constants, so all that has to be done is fix these before - * continuing the kernel boot. - * - * r4 = The physical address of the kernel base. - */ -fix_mem_constants: - mr r10,r4 - addis r10,r10,-KERNELBASE@h /* virt_to_phys constant */ - neg r11,r10 /* phys_to_virt constant */ - - lis r12,__vtop_table_begin@h - ori r12,r12,__vtop_table_begin@l - add r12,r12,r10 /* table begin phys address */ - lis r13,__vtop_table_end@h - ori r13,r13,__vtop_table_end@l - add r13,r13,r10 /* table end phys address */ - subi r12,r12,4 - subi r13,r13,4 -1: lwzu r14,4(r12) /* virt address of instruction */ - add r14,r14,r10 /* phys address of instruction */ - lwz r15,0(r14) /* instruction, now insert top */ - rlwimi r15,r10,16,16,31 /* half of vp const in low half */ - stw r15,0(r14) /* of instruction and restore. */ - dcbst r0,r14 /* write it to memory */ - sync - icbi r0,r14 /* flush the icache line */ - cmpw r12,r13 - bne 1b - sync /* additional sync needed on g4 */ - isync - -/* - * Map the memory where the exception handlers will - * be copied to when hash constants have been patched. - */ -#ifdef CONFIG_APUS_FAST_EXCEPT - lis r8,0xfff0 -#else - lis r8,0 -#endif - ori r8,r8,0x2 /* 128KB, supervisor */ - mtspr SPRN_DBAT3U,r8 - mtspr SPRN_DBAT3L,r8 - - lis r12,__ptov_table_begin@h - ori r12,r12,__ptov_table_begin@l - add r12,r12,r10 /* table begin phys address */ - lis r13,__ptov_table_end@h - ori r13,r13,__ptov_table_end@l - add r13,r13,r10 /* table end phys address */ - subi r12,r12,4 - subi r13,r13,4 -1: lwzu r14,4(r12) /* virt address of instruction */ - add r14,r14,r10 /* phys address of instruction */ - lwz r15,0(r14) /* instruction, now insert top */ - rlwimi r15,r11,16,16,31 /* half of pv const in low half*/ - stw r15,0(r14) /* of instruction and restore. */ - dcbst r0,r14 /* write it to memory */ - sync - icbi r0,r14 /* flush the icache line */ - cmpw r12,r13 - bne 1b - - sync /* additional sync needed on g4 */ - isync /* No speculative loading until now */ - blr - -/*********************************************************************** - * Please note that on APUS the exception handlers are located at the - * physical address 0xfff0000. For this reason, the exception handlers - * cannot use relative branches to access the code below. - ***********************************************************************/ -#endif /* CONFIG_APUS */ - #ifdef CONFIG_SMP #ifdef CONFIG_GEMINI .globl __secondary_start_gemini @@ -1135,19 +1036,6 @@ start_here: bl __save_cpu_setup bl MMU_init -#ifdef CONFIG_APUS - /* Copy exception code to exception vector base on APUS. */ - lis r4,KERNELBASE@h -#ifdef CONFIG_APUS_FAST_EXCEPT - lis r3,0xfff0 /* Copy to 0xfff00000 */ -#else - lis r3,0 /* Copy to 0x00000000 */ -#endif - li r5,0x4000 /* # bytes of memory to copy */ - li r6,0 - bl copy_and_flush /* copy the first 0x4000 bytes */ -#endif /* CONFIG_APUS */ - /* * Go back to running unmapped so we can load up new values * for SDR1 (hash table pointer) and the segment registers @@ -1324,11 +1212,7 @@ initial_bats: #else ori r8,r8,2 /* R/W access */ #endif /* CONFIG_SMP */ -#ifdef CONFIG_APUS - ori r11,r11,BL_8M<<2|0x2 /* set up 8MB BAT registers for 604 */ -#else ori r11,r11,BL_256M<<2|0x2 /* set up BAT registers for 604 */ -#endif /* CONFIG_APUS */ mtspr SPRN_DBAT0L,r8 /* N.B. 6xx (not 601) have valid */ mtspr SPRN_DBAT0U,r11 /* bit in upper BAT register */ @@ -1338,7 +1222,7 @@ initial_bats: blr -#if !defined(CONFIG_APUS) && defined(CONFIG_BOOTX_TEXT) +#ifdef CONFIG_BOOTX_TEXT setup_disp_bat: /* * setup the display bat prepared for us in prom.c @@ -1362,7 +1246,7 @@ setup_disp_bat: 1: mtspr SPRN_IBAT3L,r8 mtspr SPRN_IBAT3U,r11 blr -#endif /* !defined(CONFIG_APUS) && defined(CONFIG_BOOTX_TEXT) */ +#endif /* CONFIG_BOOTX_TEXT */ #ifdef CONFIG_8260 /* Jump into the system reset for the rom. diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index 1111fce..8cdd48e 100644 --- a/arch/powerpc/kernel/head_64.S +++ b/arch/powerpc/kernel/head_64.S @@ -103,8 +103,8 @@ __secondary_hold_acknowledge: . = 0x60 /* - * The following code is used on pSeries to hold secondary processors - * in a spin loop after they have been freed from OpenFirmware, but + * The following code is used to hold secondary processors + * in a spin loop after they have entered the kernel, but * before the bulk of the kernel has been relocated. This code * is relocated to physical address 0x60 before prom_init is run. * All of it must fit below the first exception vector at 0x100. diff --git a/arch/powerpc/kernel/io.c b/arch/powerpc/kernel/io.c index 34ae114..e31aca92 100644 --- a/arch/powerpc/kernel/io.c +++ b/arch/powerpc/kernel/io.c @@ -35,7 +35,7 @@ void _insb(const volatile u8 __iomem *port, void *buf, long count) asm volatile("sync"); do { tmp = *port; - asm volatile("eieio"); + eieio(); *tbuf++ = tmp; } while (--count != 0); asm volatile("twi 0,%0,0; isync" : : "r" (tmp)); @@ -66,7 +66,7 @@ void _insw_ns(const volatile u16 __iomem *port, void *buf, long count) asm volatile("sync"); do { tmp = *port; - asm volatile("eieio"); + eieio(); *tbuf++ = tmp; } while (--count != 0); asm volatile("twi 0,%0,0; isync" : : "r" (tmp)); @@ -97,7 +97,7 @@ void _insl_ns(const volatile u32 __iomem *port, void *buf, long count) asm volatile("sync"); do { tmp = *port; - asm volatile("eieio"); + eieio(); *tbuf++ = tmp; } while (--count != 0); asm volatile("twi 0,%0,0; isync" : : "r" (tmp)); @@ -155,21 +155,21 @@ void _memcpy_fromio(void *dest, const volatile void __iomem *src, __asm__ __volatile__ ("sync" : : : "memory"); while(n && (!IO_CHECK_ALIGN(vsrc, 4) || !IO_CHECK_ALIGN(dest, 4))) { *((u8 *)dest) = *((volatile u8 *)vsrc); - __asm__ __volatile__ ("eieio" : : : "memory"); + eieio(); vsrc++; dest++; n--; } while(n > 4) { *((u32 *)dest) = *((volatile u32 *)vsrc); - __asm__ __volatile__ ("eieio" : : : "memory"); + eieio(); vsrc += 4; dest += 4; n -= 4; } while(n) { *((u8 *)dest) = *((volatile u8 *)vsrc); - __asm__ __volatile__ ("eieio" : : : "memory"); + eieio(); vsrc++; dest++; n--; diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index c2b84c6..2fc8786 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -7,7 +7,6 @@ * Copyright (C) 1996-2001 Cort Dougan * Adapted for Power Macintosh by Paul Mackerras * Copyright (C) 1996 Paul Mackerras (paulus@cs.anu.edu.au) - * Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk). * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -337,7 +336,8 @@ void do_IRQ(struct pt_regs *regs) void __init init_IRQ(void) { - ppc_md.init_IRQ(); + if (ppc_md.init_IRQ) + ppc_md.init_IRQ(); #ifdef CONFIG_PPC64 irq_ctx_init(); #endif @@ -597,6 +597,49 @@ static void irq_radix_rdunlock(unsigned long flags) local_irq_restore(flags); } +static int irq_setup_virq(struct irq_host *host, unsigned int virq, + irq_hw_number_t hwirq) +{ + /* Clear IRQ_NOREQUEST flag */ + get_irq_desc(virq)->status &= ~IRQ_NOREQUEST; + + /* map it */ + smp_wmb(); + irq_map[virq].hwirq = hwirq; + smp_mb(); + + if (host->ops->map(host, virq, hwirq)) { + pr_debug("irq: -> mapping failed, freeing\n"); + irq_free_virt(virq, 1); + return -1; + } + + return 0; +} + +unsigned int irq_create_direct_mapping(struct irq_host *host) +{ + unsigned int virq; + + if (host == NULL) + host = irq_default_host; + + BUG_ON(host == NULL); + WARN_ON(host->revmap_type != IRQ_HOST_MAP_NOMAP); + + virq = irq_alloc_virt(host, 1, 0); + if (virq == NO_IRQ) { + pr_debug("irq: create_direct virq allocation failed\n"); + return NO_IRQ; + } + + pr_debug("irq: create_direct obtained virq %d\n", virq); + + if (irq_setup_virq(host, virq, virq)) + return NO_IRQ; + + return virq; +} unsigned int irq_create_mapping(struct irq_host *host, irq_hw_number_t hwirq) @@ -645,18 +688,9 @@ unsigned int irq_create_mapping(struct irq_host *host, } pr_debug("irq: -> obtained virq %d\n", virq); - /* Clear IRQ_NOREQUEST flag */ - get_irq_desc(virq)->status &= ~IRQ_NOREQUEST; - - /* map it */ - smp_wmb(); - irq_map[virq].hwirq = hwirq; - smp_mb(); - if (host->ops->map(host, virq, hwirq)) { - pr_debug("irq: -> mapping failed, freeing\n"); - irq_free_virt(virq, 1); + if (irq_setup_virq(host, virq, hwirq)) return NO_IRQ; - } + return virq; } EXPORT_SYMBOL_GPL(irq_create_mapping); diff --git a/arch/powerpc/kernel/isa-bridge.c b/arch/powerpc/kernel/isa-bridge.c new file mode 100644 index 0000000..f0f49d1 --- /dev/null +++ b/arch/powerpc/kernel/isa-bridge.c @@ -0,0 +1,271 @@ +/* + * Routines for tracking a legacy ISA bridge + * + * Copyrigh 2007 Benjamin Herrenschmidt <benh@kernel.crashing.org>, IBM Corp. + * + * Some bits and pieces moved over from pci_64.c + * + * Copyrigh 2003 Anton Blanchard <anton@au.ibm.com>, IBM Corp. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#define DEBUG + +#include <linux/kernel.h> +#include <linux/pci.h> +#include <linux/string.h> +#include <linux/init.h> +#include <linux/mm.h> +#include <linux/notifier.h> + +#include <asm/processor.h> +#include <asm/io.h> +#include <asm/prom.h> +#include <asm/pci-bridge.h> +#include <asm/machdep.h> +#include <asm/ppc-pci.h> +#include <asm/firmware.h> + +unsigned long isa_io_base; /* NULL if no ISA bus */ +EXPORT_SYMBOL(isa_io_base); + +/* Cached ISA bridge dev. */ +static struct device_node *isa_bridge_devnode; +struct pci_dev *isa_bridge_pcidev; +EXPORT_SYMBOL_GPL(isa_bridge_pcidev); + +#define ISA_SPACE_MASK 0x1 +#define ISA_SPACE_IO 0x1 + +static void __devinit pci_process_ISA_OF_ranges(struct device_node *isa_node, + unsigned long phb_io_base_phys) +{ + /* We should get some saner parsing here and remove these structs */ + struct pci_address { + u32 a_hi; + u32 a_mid; + u32 a_lo; + }; + + struct isa_address { + u32 a_hi; + u32 a_lo; + }; + + struct isa_range { + struct isa_address isa_addr; + struct pci_address pci_addr; + unsigned int size; + }; + + const struct isa_range *range; + unsigned long pci_addr; + unsigned int isa_addr; + unsigned int size; + int rlen = 0; + + range = of_get_property(isa_node, "ranges", &rlen); + if (range == NULL || (rlen < sizeof(struct isa_range))) + goto inval_range; + + /* From "ISA Binding to 1275" + * The ranges property is laid out as an array of elements, + * each of which comprises: + * cells 0 - 1: an ISA address + * cells 2 - 4: a PCI address + * (size depending on dev->n_addr_cells) + * cell 5: the size of the range + */ + if ((range->isa_addr.a_hi && ISA_SPACE_MASK) != ISA_SPACE_IO) { + range++; + rlen -= sizeof(struct isa_range); + if (rlen < sizeof(struct isa_range)) + goto inval_range; + } + if ((range->isa_addr.a_hi && ISA_SPACE_MASK) != ISA_SPACE_IO) + goto inval_range; + + isa_addr = range->isa_addr.a_lo; + pci_addr = (unsigned long) range->pci_addr.a_mid << 32 | + range->pci_addr.a_lo; + + /* Assume these are both zero. Note: We could fix that and + * do a proper parsing instead ... oh well, that will do for + * now as nobody uses fancy mappings for ISA bridges + */ + if ((pci_addr != 0) || (isa_addr != 0)) { + printk(KERN_ERR "unexpected isa to pci mapping: %s\n", + __FUNCTION__); + return; + } + + /* Align size and make sure it's cropped to 64K */ + size = PAGE_ALIGN(range->size); + if (size > 0x10000) + size = 0x10000; + + printk(KERN_ERR "no ISA IO ranges or unexpected isa range," + "mapping 64k\n"); + + __ioremap_at(phb_io_base_phys, (void *)ISA_IO_BASE, + size, _PAGE_NO_CACHE|_PAGE_GUARDED); + return; + +inval_range: + printk(KERN_ERR "no ISA IO ranges or unexpected isa range," + "mapping 64k\n"); + __ioremap_at(phb_io_base_phys, (void *)ISA_IO_BASE, + 0x10000, _PAGE_NO_CACHE|_PAGE_GUARDED); +} + + +/** + * isa_bridge_find_early - Find and map the ISA IO space early before + * main PCI discovery. This is optionally called by + * the arch code when adding PCI PHBs to get early + * access to ISA IO ports + */ +void __init isa_bridge_find_early(struct pci_controller *hose) +{ + struct device_node *np, *parent = NULL, *tmp; + + /* If we already have an ISA bridge, bail off */ + if (isa_bridge_devnode != NULL) + return; + + /* For each "isa" node in the system. Note : we do a search by + * type and not by name. It might be better to do by name but that's + * what the code used to do and I don't want to break too much at + * once. We can look into changing that separately + */ + for_each_node_by_type(np, "isa") { + /* Look for our hose being a parent */ + for (parent = of_get_parent(np); parent;) { + if (parent == hose->arch_data) { + of_node_put(parent); + break; + } + tmp = parent; + parent = of_get_parent(parent); + of_node_put(tmp); + } + if (parent != NULL) + break; + } + if (np == NULL) + return; + isa_bridge_devnode = np; + + /* Now parse the "ranges" property and setup the ISA mapping */ + pci_process_ISA_OF_ranges(np, hose->io_base_phys); + + /* Set the global ISA io base to indicate we have an ISA bridge */ + isa_io_base = ISA_IO_BASE; + + pr_debug("ISA bridge (early) is %s\n", np->full_name); +} + +/** + * isa_bridge_find_late - Find and map the ISA IO space upon discovery of + * a new ISA bridge + */ +static void __devinit isa_bridge_find_late(struct pci_dev *pdev, + struct device_node *devnode) +{ + struct pci_controller *hose = pci_bus_to_host(pdev->bus); + + /* Store ISA device node and PCI device */ + isa_bridge_devnode = of_node_get(devnode); + isa_bridge_pcidev = pdev; + + /* Now parse the "ranges" property and setup the ISA mapping */ + pci_process_ISA_OF_ranges(devnode, hose->io_base_phys); + + /* Set the global ISA io base to indicate we have an ISA bridge */ + isa_io_base = ISA_IO_BASE; + + pr_debug("ISA bridge (late) is %s on %s\n", + devnode->full_name, pci_name(pdev)); +} + +/** + * isa_bridge_remove - Remove/unmap an ISA bridge + */ +static void isa_bridge_remove(void) +{ + pr_debug("ISA bridge removed !\n"); + + /* Clear the global ISA io base to indicate that we have no more + * ISA bridge. Note that drivers don't quite handle that, though + * we should probably do something about it. But do we ever really + * have ISA bridges being removed on machines using legacy devices ? + */ + isa_io_base = ISA_IO_BASE; + + /* Clear references to the bridge */ + of_node_put(isa_bridge_devnode); + isa_bridge_devnode = NULL; + isa_bridge_pcidev = NULL; + + /* Unmap the ISA area */ + __iounmap_at((void *)ISA_IO_BASE, 0x10000); +} + +/** + * isa_bridge_notify - Get notified of PCI devices addition/removal + */ +static int __devinit isa_bridge_notify(struct notifier_block *nb, + unsigned long action, void *data) +{ + struct device *dev = data; + struct pci_dev *pdev = to_pci_dev(dev); + struct device_node *devnode = pci_device_to_OF_node(pdev); + + switch(action) { + case BUS_NOTIFY_ADD_DEVICE: + /* Check if we have an early ISA device, without PCI dev */ + if (isa_bridge_devnode && isa_bridge_devnode == devnode && + !isa_bridge_pcidev) { + pr_debug("ISA bridge PCI attached: %s\n", + pci_name(pdev)); + isa_bridge_pcidev = pdev; + } + + /* Check if we have no ISA device, and this happens to be one, + * register it as such if it has an OF device + */ + if (!isa_bridge_devnode && devnode && devnode->type && + !strcmp(devnode->type, "isa")) + isa_bridge_find_late(pdev, devnode); + + return 0; + case BUS_NOTIFY_DEL_DEVICE: + /* Check if this our existing ISA device */ + if (pdev == isa_bridge_pcidev || + (devnode && devnode == isa_bridge_devnode)) + isa_bridge_remove(); + return 0; + } + return 0; +} + +static struct notifier_block isa_bridge_notifier = { + .notifier_call = isa_bridge_notify +}; + +/** + * isa_bridge_init - register to be notified of ISA bridge addition/removal + * + */ +static int __init isa_bridge_init(void) +{ + if (firmware_has_feature(FW_FEATURE_ISERIES)) + return 0; + bus_register_notifier(&pci_bus_type, &isa_bridge_notifier); + return 0; +} +arch_initcall(isa_bridge_init); diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S index 98decf8..e708ab7 100644 --- a/arch/powerpc/kernel/misc_32.S +++ b/arch/powerpc/kernel/misc_32.S @@ -392,7 +392,7 @@ BEGIN_FTR_SECTION mtspr SPRN_L1CSR0,r3 isync blr -END_FTR_SECTION_IFCLR(CPU_FTR_SPLIT_ID_CACHE) +END_FTR_SECTION_IFSET(CPU_FTR_UNIFIED_ID_CACHE) mfspr r3,SPRN_L1CSR1 ori r3,r3,L1CSR1_ICFI|L1CSR1_ICLFR mtspr SPRN_L1CSR1,r3 @@ -419,7 +419,7 @@ END_FTR_SECTION_IFCLR(CPU_FTR_SPLIT_ID_CACHE) _GLOBAL(__flush_icache_range) BEGIN_FTR_SECTION blr /* for 601, do nothing */ -END_FTR_SECTION_IFCLR(CPU_FTR_SPLIT_ID_CACHE) +END_FTR_SECTION_IFSET(CPU_FTR_COHERENT_ICACHE) li r5,L1_CACHE_BYTES-1 andc r3,r3,r5 subf r4,r3,r4 @@ -514,8 +514,8 @@ _GLOBAL(invalidate_dcache_range) */ _GLOBAL(__flush_dcache_icache) BEGIN_FTR_SECTION - blr /* for 601, do nothing */ -END_FTR_SECTION_IFCLR(CPU_FTR_SPLIT_ID_CACHE) + blr +END_FTR_SECTION_IFSET(CPU_FTR_COHERENT_ICACHE) rlwinm r3,r3,0,0,19 /* Get page base address */ li r4,4096/L1_CACHE_BYTES /* Number of lines in a page */ mtctr r4 @@ -543,7 +543,7 @@ END_FTR_SECTION_IFCLR(CPU_FTR_SPLIT_ID_CACHE) _GLOBAL(__flush_dcache_icache_phys) BEGIN_FTR_SECTION blr /* for 601, do nothing */ -END_FTR_SECTION_IFCLR(CPU_FTR_SPLIT_ID_CACHE) +END_FTR_SECTION_IFSET(CPU_FTR_COHERENT_ICACHE) mfmsr r10 rlwinm r0,r10,0,28,26 /* clear DR */ mtmsr r0 diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S index 519861d..bbb3ba5 100644 --- a/arch/powerpc/kernel/misc_64.S +++ b/arch/powerpc/kernel/misc_64.S @@ -646,6 +646,19 @@ _GLOBAL(kexec_sequence) /* turn off mmu */ bl real_mode + /* copy 0x100 bytes starting at start to 0 */ + li r3,0 + mr r4,r30 /* start, aka phys mem offset */ + li r5,0x100 + li r6,0 + bl .copy_and_flush /* (dest, src, copy limit, start offset) */ +1: /* assume normal blr return */ + + /* release other cpus to the new kernel secondary start at 0x60 */ + mflr r5 + li r6,1 + stw r6,kexec_flag-1b(5) + /* clear out hardware hash page table and tlb */ ld r5,0(r27) /* deref function descriptor */ mtctr r5 @@ -676,19 +689,6 @@ _GLOBAL(kexec_sequence) * are the boot cpu ????? * other device tree differences (prop sizes, va vs pa, etc)... */ - - /* copy 0x100 bytes starting at start to 0 */ - li r3,0 - mr r4,r30 - li r5,0x100 - li r6,0 - bl .copy_and_flush /* (dest, src, copy limit, start offset) */ -1: /* assume normal blr return */ - - /* release other cpus to the new kernel secondary start at 0x60 */ - mflr r5 - li r6,1 - stw r6,kexec_flag-1b(5) mr r3,r25 # my phys cpu mr r4,r30 # start, aka phys mem offset mtlr 4 diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c index d454f61..9536ed7 100644 --- a/arch/powerpc/kernel/of_platform.c +++ b/arch/powerpc/kernel/of_platform.c @@ -427,14 +427,6 @@ static int __devinit of_pci_phb_probe(struct of_device *dev, /* Process "ranges" property */ pci_process_bridge_OF_ranges(phb, dev->node, 0); - /* Setup IO space. We use the non-dynamic version of that code here, - * which doesn't quite support unplugging. Next kernel release will - * have a better fix for this. - * Note also that we don't do ISA, this will also be fixed with a - * more massive rework. - */ - pci_setup_phb_io(phb, pci_io_base == 0); - /* Init pci_dn data structures */ pci_devs_phb_init_dynamic(phb); diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c new file mode 100644 index 0000000..faf5ef3 --- /dev/null +++ b/arch/powerpc/kernel/pci-common.c @@ -0,0 +1,454 @@ +/* + * Contains common pci routines for ALL ppc platform + * (based on pci_32.c and pci_64.c) + * + * Port for PPC64 David Engebretsen, IBM Corp. + * Contains common pci routines for ppc64 platform, pSeries and iSeries brands. + * + * Copyright (C) 2003 Anton Blanchard <anton@au.ibm.com>, IBM + * Rework, based on alpha PCI code. + * + * Common pmac/prep/chrp pci routines. -- Cort + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#undef DEBUG + +#include <linux/kernel.h> +#include <linux/pci.h> +#include <linux/string.h> +#include <linux/init.h> +#include <linux/bootmem.h> +#include <linux/mm.h> +#include <linux/list.h> +#include <linux/syscalls.h> +#include <linux/irq.h> +#include <linux/vmalloc.h> + +#include <asm/processor.h> +#include <asm/io.h> +#include <asm/prom.h> +#include <asm/pci-bridge.h> +#include <asm/byteorder.h> +#include <asm/machdep.h> +#include <asm/ppc-pci.h> +#include <asm/firmware.h> + +#ifdef DEBUG +#include <asm/udbg.h> +#define DBG(fmt...) printk(fmt) +#else +#define DBG(fmt...) +#endif + +static DEFINE_SPINLOCK(hose_spinlock); + +/* XXX kill that some day ... */ +int global_phb_number; /* Global phb counter */ + +extern struct list_head hose_list; + +/* + * pci_controller(phb) initialized common variables. + */ +static void __devinit pci_setup_pci_controller(struct pci_controller *hose) +{ + memset(hose, 0, sizeof(struct pci_controller)); + + spin_lock(&hose_spinlock); + hose->global_number = global_phb_number++; + list_add_tail(&hose->list_node, &hose_list); + spin_unlock(&hose_spinlock); +} + +struct pci_controller * pcibios_alloc_controller(struct device_node *dev) +{ + struct pci_controller *phb; + + if (mem_init_done) + phb = kmalloc(sizeof(struct pci_controller), GFP_KERNEL); + else + phb = alloc_bootmem(sizeof (struct pci_controller)); + if (phb == NULL) + return NULL; + pci_setup_pci_controller(phb); + phb->arch_data = dev; + phb->is_dynamic = mem_init_done; +#ifdef CONFIG_PPC64 + if (dev) { + int nid = of_node_to_nid(dev); + + if (nid < 0 || !node_online(nid)) + nid = -1; + + PHB_SET_NODE(phb, nid); + } +#endif + return phb; +} + +void pcibios_free_controller(struct pci_controller *phb) +{ + spin_lock(&hose_spinlock); + list_del(&phb->list_node); + spin_unlock(&hose_spinlock); + + if (phb->is_dynamic) + kfree(phb); +} + +/* + * Return the domain number for this bus. + */ +int pci_domain_nr(struct pci_bus *bus) +{ + if (firmware_has_feature(FW_FEATURE_ISERIES)) + return 0; + else { + struct pci_controller *hose = pci_bus_to_host(bus); + + return hose->global_number; + } +} + +EXPORT_SYMBOL(pci_domain_nr); + +#ifdef CONFIG_PPC_OF + +/* This routine is meant to be used early during boot, when the + * PCI bus numbers have not yet been assigned, and you need to + * issue PCI config cycles to an OF device. + * It could also be used to "fix" RTAS config cycles if you want + * to set pci_assign_all_buses to 1 and still use RTAS for PCI + * config cycles. + */ +struct pci_controller* pci_find_hose_for_OF_device(struct device_node* node) +{ + if (!have_of) + return NULL; + while(node) { + struct pci_controller *hose, *tmp; + list_for_each_entry_safe(hose, tmp, &hose_list, list_node) + if (hose->arch_data == node) + return hose; + node = node->parent; + } + return NULL; +} + +static ssize_t pci_show_devspec(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct pci_dev *pdev; + struct device_node *np; + + pdev = to_pci_dev (dev); + np = pci_device_to_OF_node(pdev); + if (np == NULL || np->full_name == NULL) + return 0; + return sprintf(buf, "%s", np->full_name); +} +static DEVICE_ATTR(devspec, S_IRUGO, pci_show_devspec, NULL); +#endif /* CONFIG_PPC_OF */ + +/* Add sysfs properties */ +void pcibios_add_platform_entries(struct pci_dev *pdev) +{ +#ifdef CONFIG_PPC_OF + device_create_file(&pdev->dev, &dev_attr_devspec); +#endif /* CONFIG_PPC_OF */ +} + +char __init *pcibios_setup(char *str) +{ + return str; +} + +/* + * Reads the interrupt pin to determine if interrupt is use by card. + * If the interrupt is used, then gets the interrupt line from the + * openfirmware and sets it in the pci_dev and pci_config line. + */ +int pci_read_irq_line(struct pci_dev *pci_dev) +{ + struct of_irq oirq; + unsigned int virq; + + DBG("Try to map irq for %s...\n", pci_name(pci_dev)); + +#ifdef DEBUG + memset(&oirq, 0xff, sizeof(oirq)); +#endif + /* Try to get a mapping from the device-tree */ + if (of_irq_map_pci(pci_dev, &oirq)) { + u8 line, pin; + + /* If that fails, lets fallback to what is in the config + * space and map that through the default controller. We + * also set the type to level low since that's what PCI + * interrupts are. If your platform does differently, then + * either provide a proper interrupt tree or don't use this + * function. + */ + if (pci_read_config_byte(pci_dev, PCI_INTERRUPT_PIN, &pin)) + return -1; + if (pin == 0) + return -1; + if (pci_read_config_byte(pci_dev, PCI_INTERRUPT_LINE, &line) || + line == 0xff) { + return -1; + } + DBG(" -> no map ! Using irq line %d from PCI config\n", line); + + virq = irq_create_mapping(NULL, line); + if (virq != NO_IRQ) + set_irq_type(virq, IRQ_TYPE_LEVEL_LOW); + } else { + DBG(" -> got one, spec %d cells (0x%08x 0x%08x...) on %s\n", + oirq.size, oirq.specifier[0], oirq.specifier[1], + oirq.controller->full_name); + + virq = irq_create_of_mapping(oirq.controller, oirq.specifier, + oirq.size); + } + if(virq == NO_IRQ) { + DBG(" -> failed to map !\n"); + return -1; + } + + DBG(" -> mapped to linux irq %d\n", virq); + + pci_dev->irq = virq; + + return 0; +} +EXPORT_SYMBOL(pci_read_irq_line); + +/* + * Platform support for /proc/bus/pci/X/Y mmap()s, + * modelled on the sparc64 implementation by Dave Miller. + * -- paulus. + */ + +/* + * Adjust vm_pgoff of VMA such that it is the physical page offset + * corresponding to the 32-bit pci bus offset for DEV requested by the user. + * + * Basically, the user finds the base address for his device which he wishes + * to mmap. They read the 32-bit value from the config space base register, + * add whatever PAGE_SIZE multiple offset they wish, and feed this into the + * offset parameter of mmap on /proc/bus/pci/XXX for that device. + * + * Returns negative error code on failure, zero on success. + */ +static struct resource *__pci_mmap_make_offset(struct pci_dev *dev, + resource_size_t *offset, + enum pci_mmap_state mmap_state) +{ + struct pci_controller *hose = pci_bus_to_host(dev->bus); + unsigned long io_offset = 0; + int i, res_bit; + + if (hose == 0) + return NULL; /* should never happen */ + + /* If memory, add on the PCI bridge address offset */ + if (mmap_state == pci_mmap_mem) { +#if 0 /* See comment in pci_resource_to_user() for why this is disabled */ + *offset += hose->pci_mem_offset; +#endif + res_bit = IORESOURCE_MEM; + } else { + io_offset = (unsigned long)hose->io_base_virt - _IO_BASE; + *offset += io_offset; + res_bit = IORESOURCE_IO; + } + + /* + * Check that the offset requested corresponds to one of the + * resources of the device. + */ + for (i = 0; i <= PCI_ROM_RESOURCE; i++) { + struct resource *rp = &dev->resource[i]; + int flags = rp->flags; + + /* treat ROM as memory (should be already) */ + if (i == PCI_ROM_RESOURCE) + flags |= IORESOURCE_MEM; + + /* Active and same type? */ + if ((flags & res_bit) == 0) + continue; + + /* In the range of this resource? */ + if (*offset < (rp->start & PAGE_MASK) || *offset > rp->end) + continue; + + /* found it! construct the final physical address */ + if (mmap_state == pci_mmap_io) + *offset += hose->io_base_phys - io_offset; + return rp; + } + + return NULL; +} + +/* + * Set vm_page_prot of VMA, as appropriate for this architecture, for a pci + * device mapping. + */ +static pgprot_t __pci_mmap_set_pgprot(struct pci_dev *dev, struct resource *rp, + pgprot_t protection, + enum pci_mmap_state mmap_state, + int write_combine) +{ + unsigned long prot = pgprot_val(protection); + + /* Write combine is always 0 on non-memory space mappings. On + * memory space, if the user didn't pass 1, we check for a + * "prefetchable" resource. This is a bit hackish, but we use + * this to workaround the inability of /sysfs to provide a write + * combine bit + */ + if (mmap_state != pci_mmap_mem) + write_combine = 0; + else if (write_combine == 0) { + if (rp->flags & IORESOURCE_PREFETCH) + write_combine = 1; + } + + /* XXX would be nice to have a way to ask for write-through */ + prot |= _PAGE_NO_CACHE; + if (write_combine) + prot &= ~_PAGE_GUARDED; + else + prot |= _PAGE_GUARDED; + + return __pgprot(prot); +} + +/* + * This one is used by /dev/mem and fbdev who have no clue about the + * PCI device, it tries to find the PCI device first and calls the + * above routine + */ +pgprot_t pci_phys_mem_access_prot(struct file *file, + unsigned long pfn, + unsigned long size, + pgprot_t protection) +{ + struct pci_dev *pdev = NULL; + struct resource *found = NULL; + unsigned long prot = pgprot_val(protection); + unsigned long offset = pfn << PAGE_SHIFT; + int i; + + if (page_is_ram(pfn)) + return __pgprot(prot); + + prot |= _PAGE_NO_CACHE | _PAGE_GUARDED; + + for_each_pci_dev(pdev) { + for (i = 0; i <= PCI_ROM_RESOURCE; i++) { + struct resource *rp = &pdev->resource[i]; + int flags = rp->flags; + + /* Active and same type? */ + if ((flags & IORESOURCE_MEM) == 0) + continue; + /* In the range of this resource? */ + if (offset < (rp->start & PAGE_MASK) || + offset > rp->end) + continue; + found = rp; + break; + } + if (found) + break; + } + if (found) { + if (found->flags & IORESOURCE_PREFETCH) + prot &= ~_PAGE_GUARDED; + pci_dev_put(pdev); + } + + DBG("non-PCI map for %lx, prot: %lx\n", offset, prot); + + return __pgprot(prot); +} + + +/* + * Perform the actual remap of the pages for a PCI device mapping, as + * appropriate for this architecture. The region in the process to map + * is described by vm_start and vm_end members of VMA, the base physical + * address is found in vm_pgoff. + * The pci device structure is provided so that architectures may make mapping + * decisions on a per-device or per-bus basis. + * + * Returns a negative error code on failure, zero on success. + */ +int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, + enum pci_mmap_state mmap_state, int write_combine) +{ + resource_size_t offset = vma->vm_pgoff << PAGE_SHIFT; + struct resource *rp; + int ret; + + rp = __pci_mmap_make_offset(dev, &offset, mmap_state); + if (rp == NULL) + return -EINVAL; + + vma->vm_pgoff = offset >> PAGE_SHIFT; + vma->vm_page_prot = __pci_mmap_set_pgprot(dev, rp, + vma->vm_page_prot, + mmap_state, write_combine); + + ret = remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff, + vma->vm_end - vma->vm_start, vma->vm_page_prot); + + return ret; +} + +void pci_resource_to_user(const struct pci_dev *dev, int bar, + const struct resource *rsrc, + resource_size_t *start, resource_size_t *end) +{ + struct pci_controller *hose = pci_bus_to_host(dev->bus); + resource_size_t offset = 0; + + if (hose == NULL) + return; + + if (rsrc->flags & IORESOURCE_IO) + offset = (unsigned long)hose->io_base_virt - _IO_BASE; + + /* We pass a fully fixed up address to userland for MMIO instead of + * a BAR value because X is lame and expects to be able to use that + * to pass to /dev/mem ! + * + * That means that we'll have potentially 64 bits values where some + * userland apps only expect 32 (like X itself since it thinks only + * Sparc has 64 bits MMIO) but if we don't do that, we break it on + * 32 bits CHRPs :-( + * + * Hopefully, the sysfs insterface is immune to that gunk. Once X + * has been fixed (and the fix spread enough), we can re-enable the + * 2 lines below and pass down a BAR value to userland. In that case + * we'll also have to re-enable the matching code in + * __pci_mmap_make_offset(). + * + * BenH. + */ +#if 0 + else if (rsrc->flags & IORESOURCE_MEM) + offset = hose->pci_mem_offset; +#endif + + *start = rsrc->start - offset; + *end = rsrc->end - offset; +} diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c index 8698211..0adf077 100644 --- a/arch/powerpc/kernel/pci_32.c +++ b/arch/powerpc/kernel/pci_32.c @@ -55,8 +55,7 @@ static u8* pci_to_OF_bus_map; */ int pci_assign_all_buses; -struct pci_controller* hose_head; -struct pci_controller** hose_tail = &hose_head; +LIST_HEAD(hose_list); static int pci_bus_count; @@ -573,58 +572,6 @@ pcibios_assign_resources(void) } } - -int -pcibios_enable_resources(struct pci_dev *dev, int mask) -{ - u16 cmd, old_cmd; - int idx; - struct resource *r; - - pci_read_config_word(dev, PCI_COMMAND, &cmd); - old_cmd = cmd; - for (idx=0; idx<6; idx++) { - /* Only set up the requested stuff */ - if (!(mask & (1<<idx))) - continue; - - r = &dev->resource[idx]; - if (r->flags & IORESOURCE_UNSET) { - printk(KERN_ERR "PCI: Device %s not available because of resource collisions\n", pci_name(dev)); - return -EINVAL; - } - if (r->flags & IORESOURCE_IO) - cmd |= PCI_COMMAND_IO; - if (r->flags & IORESOURCE_MEM) - cmd |= PCI_COMMAND_MEMORY; - } - if (dev->resource[PCI_ROM_RESOURCE].start) - cmd |= PCI_COMMAND_MEMORY; - if (cmd != old_cmd) { - printk("PCI: Enabling device %s (%04x -> %04x)\n", pci_name(dev), old_cmd, cmd); - pci_write_config_word(dev, PCI_COMMAND, cmd); - } - return 0; -} - -static int next_controller_index; - -struct pci_controller * __init -pcibios_alloc_controller(void) -{ - struct pci_controller *hose; - - hose = (struct pci_controller *)alloc_bootmem(sizeof(*hose)); - memset(hose, 0, sizeof(struct pci_controller)); - - *hose_tail = hose; - hose_tail = &hose->next; - - hose->index = next_controller_index++; - - return hose; -} - #ifdef CONFIG_PPC_OF /* * Functions below are used on OpenFirmware machines. @@ -670,7 +617,7 @@ void pcibios_make_OF_bus_map(void) { int i; - struct pci_controller* hose; + struct pci_controller *hose, *tmp; struct property *map_prop; struct device_node *dn; @@ -687,7 +634,7 @@ pcibios_make_OF_bus_map(void) pci_to_OF_bus_map[i] = 0xff; /* For each hose, we begin searching bridges */ - for(hose=hose_head; hose; hose=hose->next) { + list_for_each_entry_safe(hose, tmp, &hose_list, list_node) { struct device_node* node; node = (struct device_node *)hose->arch_data; if (!node) @@ -765,7 +712,7 @@ static struct device_node *scan_OF_for_pci_bus(struct pci_bus *bus) /* Are we a root bus ? */ if (bus->self == NULL || bus->parent == NULL) { - struct pci_controller *hose = pci_bus_to_hose(bus->number); + struct pci_controller *hose = pci_bus_to_host(bus); if (hose == NULL) return NULL; return of_node_get(hose->arch_data); @@ -818,27 +765,6 @@ pci_device_to_OF_node(struct pci_dev *dev) } EXPORT_SYMBOL(pci_device_to_OF_node); -/* This routine is meant to be used early during boot, when the - * PCI bus numbers have not yet been assigned, and you need to - * issue PCI config cycles to an OF device. - * It could also be used to "fix" RTAS config cycles if you want - * to set pci_assign_all_buses to 1 and still use RTAS for PCI - * config cycles. - */ -struct pci_controller* pci_find_hose_for_OF_device(struct device_node* node) -{ - if (!have_of) - return NULL; - while(node) { - struct pci_controller* hose; - for (hose=hose_head;hose;hose=hose->next) - if (hose->arch_data == node) - return hose; - node=node->parent; - } - return NULL; -} - static int find_OF_pci_device_filter(struct device_node* node, void* data) { @@ -1027,34 +953,12 @@ pci_create_OF_bus_map(void) } } -static ssize_t pci_show_devspec(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct pci_dev *pdev; - struct device_node *np; - - pdev = to_pci_dev (dev); - np = pci_device_to_OF_node(pdev); - if (np == NULL || np->full_name == NULL) - return 0; - return sprintf(buf, "%s", np->full_name); -} -static DEVICE_ATTR(devspec, S_IRUGO, pci_show_devspec, NULL); - #else /* CONFIG_PPC_OF */ void pcibios_make_OF_bus_map(void) { } #endif /* CONFIG_PPC_OF */ -/* Add sysfs properties */ -int pcibios_add_platform_entries(struct pci_dev *pdev) -{ -#ifdef CONFIG_PPC_OF - return device_create_file(&pdev->dev, &dev_attr_devspec); -#endif /* CONFIG_PPC_OF */ -} - - #ifdef CONFIG_PPC_PMAC /* * This set of routines checks for PCI<->PCI bridges that have closed @@ -1269,14 +1173,14 @@ pcibios_fixup_p2p_bridges(void) static int __init pcibios_init(void) { - struct pci_controller *hose; + struct pci_controller *hose, *tmp; struct pci_bus *bus; - int next_busno; + int next_busno = 0; printk(KERN_INFO "PCI: Probing PCI hardware\n"); /* Scan all of the recorded PCI controllers. */ - for (next_busno = 0, hose = hose_head; hose; hose = hose->next) { + list_for_each_entry_safe(hose, tmp, &hose_list, list_node) { if (pci_assign_all_buses) hose->first_busno = next_busno; hose->last_busno = 0xff; @@ -1319,12 +1223,6 @@ pcibios_init(void) subsys_initcall(pcibios_init); -unsigned long resource_fixup(struct pci_dev * dev, struct resource * res, - unsigned long start, unsigned long size) -{ - return start; -} - void __init pcibios_fixup_bus(struct pci_bus *bus) { struct pci_controller *hose = (struct pci_controller *) bus->sysdata; @@ -1342,7 +1240,7 @@ void __init pcibios_fixup_bus(struct pci_bus *bus) if (!res->flags) { if (io_offset) printk(KERN_ERR "I/O resource not set for host" - " bridge %d\n", hose->index); + " bridge %d\n", hose->global_number); res->start = 0; res->end = IO_SPACE_LIMIT; res->flags = IORESOURCE_IO; @@ -1356,7 +1254,7 @@ void __init pcibios_fixup_bus(struct pci_bus *bus) if (i > 0) continue; printk(KERN_ERR "Memory resource not set for " - "host bridge %d\n", hose->index); + "host bridge %d\n", hose->global_number); res->start = hose->pci_mem_offset; res->end = ~0U; res->flags = IORESOURCE_MEM; @@ -1370,7 +1268,7 @@ void __init pcibios_fixup_bus(struct pci_bus *bus) for (i = 0; i < 4; ++i) { if ((res = bus->resource[i]) == NULL) continue; - if (!res->flags) + if (!res->flags || bus->self->transparent) continue; if (io_offset && (res->flags & IORESOURCE_IO)) { res->start += io_offset; @@ -1395,11 +1293,6 @@ void __init pcibios_fixup_bus(struct pci_bus *bus) } } -char __init *pcibios_setup(char *str) -{ - return str; -} - /* the next one is stolen from the alpha port... */ void __init pcibios_update_irq(struct pci_dev *dev, int irq) @@ -1408,64 +1301,6 @@ pcibios_update_irq(struct pci_dev *dev, int irq) /* XXX FIXME - update OF device tree node interrupt property */ } -#ifdef CONFIG_PPC_MERGE -/* XXX This is a copy of the ppc64 version. This is temporary until we start - * merging the 2 PCI layers - */ -/* - * Reads the interrupt pin to determine if interrupt is use by card. - * If the interrupt is used, then gets the interrupt line from the - * openfirmware and sets it in the pci_dev and pci_config line. - */ -int pci_read_irq_line(struct pci_dev *pci_dev) -{ - struct of_irq oirq; - unsigned int virq; - - DBG("Try to map irq for %s...\n", pci_name(pci_dev)); - - /* Try to get a mapping from the device-tree */ - if (of_irq_map_pci(pci_dev, &oirq)) { - u8 line, pin; - - /* If that fails, lets fallback to what is in the config - * space and map that through the default controller. We - * also set the type to level low since that's what PCI - * interrupts are. If your platform does differently, then - * either provide a proper interrupt tree or don't use this - * function. - */ - if (pci_read_config_byte(pci_dev, PCI_INTERRUPT_PIN, &pin)) - return -1; - if (pin == 0) - return -1; - if (pci_read_config_byte(pci_dev, PCI_INTERRUPT_LINE, &line) || - line == 0xff) { - return -1; - } - DBG(" -> no map ! Using irq line %d from PCI config\n", line); - - virq = irq_create_mapping(NULL, line); - if (virq != NO_IRQ) - set_irq_type(virq, IRQ_TYPE_LEVEL_LOW); - } else { - DBG(" -> got one, spec %d cells (0x%08x...) on %s\n", - oirq.size, oirq.specifier[0], oirq.controller->full_name); - - virq = irq_create_of_mapping(oirq.controller, oirq.specifier, - oirq.size); - } - if(virq == NO_IRQ) { - DBG(" -> failed to map !\n"); - return -1; - } - pci_dev->irq = virq; - - return 0; -} -EXPORT_SYMBOL(pci_read_irq_line); -#endif /* CONFIG_PPC_MERGE */ - int pcibios_enable_device(struct pci_dev *dev, int mask) { u16 cmd, old_cmd; @@ -1497,281 +1332,17 @@ int pcibios_enable_device(struct pci_dev *dev, int mask) return 0; } -struct pci_controller* +static struct pci_controller* pci_bus_to_hose(int bus) { - struct pci_controller* hose = hose_head; + struct pci_controller *hose, *tmp; - for (; hose; hose = hose->next) + list_for_each_entry_safe(hose, tmp, &hose_list, list_node) if (bus >= hose->first_busno && bus <= hose->last_busno) return hose; return NULL; } -void __iomem * -pci_bus_io_base(unsigned int bus) -{ - struct pci_controller *hose; - - hose = pci_bus_to_hose(bus); - if (!hose) - return NULL; - return hose->io_base_virt; -} - -unsigned long -pci_bus_io_base_phys(unsigned int bus) -{ - struct pci_controller *hose; - - hose = pci_bus_to_hose(bus); - if (!hose) - return 0; - return hose->io_base_phys; -} - -unsigned long -pci_bus_mem_base_phys(unsigned int bus) -{ - struct pci_controller *hose; - - hose = pci_bus_to_hose(bus); - if (!hose) - return 0; - return hose->pci_mem_offset; -} - -unsigned long -pci_resource_to_bus(struct pci_dev *pdev, struct resource *res) -{ - /* Hack alert again ! See comments in chrp_pci.c - */ - struct pci_controller* hose = - (struct pci_controller *)pdev->sysdata; - if (hose && res->flags & IORESOURCE_MEM) - return res->start - hose->pci_mem_offset; - /* We may want to do something with IOs here... */ - return res->start; -} - - -static struct resource *__pci_mmap_make_offset(struct pci_dev *dev, - resource_size_t *offset, - enum pci_mmap_state mmap_state) -{ - struct pci_controller *hose = pci_bus_to_hose(dev->bus->number); - unsigned long io_offset = 0; - int i, res_bit; - - if (hose == 0) - return NULL; /* should never happen */ - - /* If memory, add on the PCI bridge address offset */ - if (mmap_state == pci_mmap_mem) { -#if 0 /* See comment in pci_resource_to_user() for why this is disabled */ - *offset += hose->pci_mem_offset; -#endif - res_bit = IORESOURCE_MEM; - } else { - io_offset = hose->io_base_virt - (void __iomem *)_IO_BASE; - *offset += io_offset; - res_bit = IORESOURCE_IO; - } - - /* - * Check that the offset requested corresponds to one of the - * resources of the device. - */ - for (i = 0; i <= PCI_ROM_RESOURCE; i++) { - struct resource *rp = &dev->resource[i]; - int flags = rp->flags; - - /* treat ROM as memory (should be already) */ - if (i == PCI_ROM_RESOURCE) - flags |= IORESOURCE_MEM; - - /* Active and same type? */ - if ((flags & res_bit) == 0) - continue; - - /* In the range of this resource? */ - if (*offset < (rp->start & PAGE_MASK) || *offset > rp->end) - continue; - - /* found it! construct the final physical address */ - if (mmap_state == pci_mmap_io) - *offset += hose->io_base_phys - io_offset; - return rp; - } - - return NULL; -} - -/* - * Set vm_page_prot of VMA, as appropriate for this architecture, for a pci - * device mapping. - */ -static pgprot_t __pci_mmap_set_pgprot(struct pci_dev *dev, struct resource *rp, - pgprot_t protection, - enum pci_mmap_state mmap_state, - int write_combine) -{ - unsigned long prot = pgprot_val(protection); - - /* Write combine is always 0 on non-memory space mappings. On - * memory space, if the user didn't pass 1, we check for a - * "prefetchable" resource. This is a bit hackish, but we use - * this to workaround the inability of /sysfs to provide a write - * combine bit - */ - if (mmap_state != pci_mmap_mem) - write_combine = 0; - else if (write_combine == 0) { - if (rp->flags & IORESOURCE_PREFETCH) - write_combine = 1; - } - - /* XXX would be nice to have a way to ask for write-through */ - prot |= _PAGE_NO_CACHE; - if (write_combine) - prot &= ~_PAGE_GUARDED; - else - prot |= _PAGE_GUARDED; - - return __pgprot(prot); -} - -/* - * This one is used by /dev/mem and fbdev who have no clue about the - * PCI device, it tries to find the PCI device first and calls the - * above routine - */ -pgprot_t pci_phys_mem_access_prot(struct file *file, - unsigned long pfn, - unsigned long size, - pgprot_t protection) -{ - struct pci_dev *pdev = NULL; - struct resource *found = NULL; - unsigned long prot = pgprot_val(protection); - unsigned long offset = pfn << PAGE_SHIFT; - int i; - - if (page_is_ram(pfn)) - return __pgprot(prot); - - prot |= _PAGE_NO_CACHE | _PAGE_GUARDED; - - for_each_pci_dev(pdev) { - for (i = 0; i <= PCI_ROM_RESOURCE; i++) { - struct resource *rp = &pdev->resource[i]; - int flags = rp->flags; - - /* Active and same type? */ - if ((flags & IORESOURCE_MEM) == 0) - continue; - /* In the range of this resource? */ - if (offset < (rp->start & PAGE_MASK) || - offset > rp->end) - continue; - found = rp; - break; - } - if (found) - break; - } - if (found) { - if (found->flags & IORESOURCE_PREFETCH) - prot &= ~_PAGE_GUARDED; - pci_dev_put(pdev); - } - - DBG("non-PCI map for %lx, prot: %lx\n", offset, prot); - - return __pgprot(prot); -} - - -/* - * Perform the actual remap of the pages for a PCI device mapping, as - * appropriate for this architecture. The region in the process to map - * is described by vm_start and vm_end members of VMA, the base physical - * address is found in vm_pgoff. - * The pci device structure is provided so that architectures may make mapping - * decisions on a per-device or per-bus basis. - * - * Returns a negative error code on failure, zero on success. - */ -int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, - enum pci_mmap_state mmap_state, - int write_combine) -{ - resource_size_t offset = vma->vm_pgoff << PAGE_SHIFT; - struct resource *rp; - int ret; - - rp = __pci_mmap_make_offset(dev, &offset, mmap_state); - if (rp == NULL) - return -EINVAL; - - vma->vm_pgoff = offset >> PAGE_SHIFT; - vma->vm_page_prot = __pci_mmap_set_pgprot(dev, rp, - vma->vm_page_prot, - mmap_state, write_combine); - - ret = remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff, - vma->vm_end - vma->vm_start, vma->vm_page_prot); - - return ret; -} - -/* Obsolete functions. Should be removed once the symbios driver - * is fixed - */ -unsigned long -phys_to_bus(unsigned long pa) -{ - struct pci_controller *hose; - int i; - - for (hose = hose_head; hose; hose = hose->next) { - for (i = 0; i < 3; ++i) { - if (pa >= hose->mem_resources[i].start - && pa <= hose->mem_resources[i].end) { - /* - * XXX the hose->pci_mem_offset really - * only applies to mem_resources[0]. - * We need a way to store an offset for - * the others. -- paulus - */ - if (i == 0) - pa -= hose->pci_mem_offset; - return pa; - } - } - } - /* hmmm, didn't find it */ - return 0; -} - -unsigned long -pci_phys_to_bus(unsigned long pa, int busnr) -{ - struct pci_controller* hose = pci_bus_to_hose(busnr); - if (!hose) - return pa; - return pa - hose->pci_mem_offset; -} - -unsigned long -pci_bus_to_phys(unsigned int ba, int busnr) -{ - struct pci_controller* hose = pci_bus_to_hose(busnr); - if (!hose) - return ba; - return ba + hose->pci_mem_offset; -} - /* Provide information on locations of various I/O regions in physical * memory. Do this on a per-card basis so that we choose the right * root bridge. @@ -1814,62 +1385,11 @@ long sys_pciconfig_iobase(long which, unsigned long bus, unsigned long devfn) return result; } -void pci_resource_to_user(const struct pci_dev *dev, int bar, - const struct resource *rsrc, - resource_size_t *start, resource_size_t *end) -{ - struct pci_controller *hose = pci_bus_to_hose(dev->bus->number); - resource_size_t offset = 0; - - if (hose == NULL) - return; - - if (rsrc->flags & IORESOURCE_IO) - offset = (unsigned long)hose->io_base_virt - _IO_BASE; - - /* We pass a fully fixed up address to userland for MMIO instead of - * a BAR value because X is lame and expects to be able to use that - * to pass to /dev/mem ! - * - * That means that we'll have potentially 64 bits values where some - * userland apps only expect 32 (like X itself since it thinks only - * Sparc has 64 bits MMIO) but if we don't do that, we break it on - * 32 bits CHRPs :-( - * - * Hopefully, the sysfs insterface is immune to that gunk. Once X - * has been fixed (and the fix spread enough), we can re-enable the - * 2 lines below and pass down a BAR value to userland. In that case - * we'll also have to re-enable the matching code in - * __pci_mmap_make_offset(). - * - * BenH. - */ -#if 0 - else if (rsrc->flags & IORESOURCE_MEM) - offset = hose->pci_mem_offset; -#endif - - *start = rsrc->start - offset; - *end = rsrc->end - offset; -} - -void __init pci_init_resource(struct resource *res, resource_size_t start, - resource_size_t end, int flags, char *name) -{ - res->start = start; - res->end = end; - res->flags = flags; - res->name = name; - res->parent = NULL; - res->sibling = NULL; - res->child = NULL; -} - unsigned long pci_address_to_pio(phys_addr_t address) { - struct pci_controller* hose = hose_head; + struct pci_controller *hose, *tmp; - for (; hose; hose = hose->next) { + list_for_each_entry_safe(hose, tmp, &hose_list, list_node) { unsigned int size = hose->io_resource.end - hose->io_resource.start + 1; if (address >= hose->io_base_phys && diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c index e3009a4..a97e23a 100644 --- a/arch/powerpc/kernel/pci_64.c +++ b/arch/powerpc/kernel/pci_64.c @@ -22,6 +22,7 @@ #include <linux/list.h> #include <linux/syscalls.h> #include <linux/irq.h> +#include <linux/vmalloc.h> #include <asm/processor.h> #include <asm/io.h> @@ -41,35 +42,23 @@ unsigned long pci_probe_only = 1; int pci_assign_all_buses = 0; -static int pci_initial_scan_done; static void fixup_resource(struct resource *res, struct pci_dev *dev); static void do_bus_setup(struct pci_bus *bus); -static void phbs_remap_io(void); /* pci_io_base -- the base address from which io bars are offsets. * This is the lowest I/O base address (so bar values are always positive), * and it *must* be the start of ISA space if an ISA bus exists because - * ISA drivers use hard coded offsets. If no ISA bus exists a dummy - * page is mapped and isa_io_limit prevents access to it. + * ISA drivers use hard coded offsets. If no ISA bus exists nothing + * is mapped on the first 64K of IO space */ -unsigned long isa_io_base; /* NULL if no ISA bus */ -EXPORT_SYMBOL(isa_io_base); -unsigned long pci_io_base; +unsigned long pci_io_base = ISA_IO_BASE; EXPORT_SYMBOL(pci_io_base); -void iSeries_pcibios_init(void); - LIST_HEAD(hose_list); static struct dma_mapping_ops *pci_dma_ops; -int global_phb_number; /* Global phb counter */ - -/* Cached ISA bridge dev. */ -struct pci_dev *ppc64_isabridge_dev = NULL; -EXPORT_SYMBOL_GPL(ppc64_isabridge_dev); - void set_pci_dma_ops(struct dma_mapping_ops *dma_ops) { pci_dma_ops = dma_ops; @@ -100,7 +89,7 @@ void pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region return; if (res->flags & IORESOURCE_IO) - offset = (unsigned long)hose->io_base_virt - pci_io_base; + offset = (unsigned long)hose->io_base_virt - _IO_BASE; if (res->flags & IORESOURCE_MEM) offset = hose->pci_mem_offset; @@ -119,7 +108,7 @@ void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res, return; if (res->flags & IORESOURCE_IO) - offset = (unsigned long)hose->io_base_virt - pci_io_base; + offset = (unsigned long)hose->io_base_virt - _IO_BASE; if (res->flags & IORESOURCE_MEM) offset = hose->pci_mem_offset; @@ -156,7 +145,7 @@ void pcibios_align_resource(void *data, struct resource *res, if (res->flags & IORESOURCE_IO) { unsigned long offset = (unsigned long)hose->io_base_virt - - pci_io_base; + _IO_BASE; /* Make sure we start at our min on all hoses */ if (start - offset < PCIBIOS_MIN_IO) start = PCIBIOS_MIN_IO + offset; @@ -180,55 +169,6 @@ void pcibios_align_resource(void *data, struct resource *res, res->start = start; } -static DEFINE_SPINLOCK(hose_spinlock); - -/* - * pci_controller(phb) initialized common variables. - */ -static void __devinit pci_setup_pci_controller(struct pci_controller *hose) -{ - memset(hose, 0, sizeof(struct pci_controller)); - - spin_lock(&hose_spinlock); - hose->global_number = global_phb_number++; - list_add_tail(&hose->list_node, &hose_list); - spin_unlock(&hose_spinlock); -} - -struct pci_controller * pcibios_alloc_controller(struct device_node *dev) -{ - struct pci_controller *phb; - - if (mem_init_done) - phb = kmalloc(sizeof(struct pci_controller), GFP_KERNEL); - else - phb = alloc_bootmem(sizeof (struct pci_controller)); - if (phb == NULL) - return NULL; - pci_setup_pci_controller(phb); - phb->arch_data = dev; - phb->is_dynamic = mem_init_done; - if (dev) { - int nid = of_node_to_nid(dev); - - if (nid < 0 || !node_online(nid)) - nid = -1; - - PHB_SET_NODE(phb, nid); - } - return phb; -} - -void pcibios_free_controller(struct pci_controller *phb) -{ - spin_lock(&hose_spinlock); - list_del(&phb->list_node); - spin_unlock(&hose_spinlock); - - if (phb->is_dynamic) - kfree(phb); -} - void __devinit pcibios_claim_one_bus(struct pci_bus *b) { struct pci_dev *dev; @@ -291,7 +231,6 @@ static unsigned int pci_parse_of_flags(u32 addr0) return flags; } -#define GET_64BIT(prop, i) ((((u64) (prop)[(i)]) << 32) | (prop)[(i)+1]) static void pci_parse_of_addrs(struct device_node *node, struct pci_dev *dev) { @@ -310,8 +249,8 @@ static void pci_parse_of_addrs(struct device_node *node, struct pci_dev *dev) flags = pci_parse_of_flags(addrs[0]); if (!flags) continue; - base = GET_64BIT(addrs, 1); - size = GET_64BIT(addrs, 3); + base = of_read_number(&addrs[1], 2); + size = of_read_number(&addrs[3], 2); if (!size) continue; i = addrs[0] & 0xff; @@ -479,7 +418,7 @@ void __devinit of_scan_pci_bridge(struct device_node *node, i = 1; for (; len >= 32; len -= 32, ranges += 8) { flags = pci_parse_of_flags(ranges[0]); - size = GET_64BIT(ranges, 6); + size = of_read_number(&ranges[6], 2); if (flags == 0 || size == 0) continue; if (flags & IORESOURCE_IO) { @@ -498,7 +437,7 @@ void __devinit of_scan_pci_bridge(struct device_node *node, res = bus->resource[i]; ++i; } - res->start = GET_64BIT(ranges, 1); + res->start = of_read_number(&ranges[1], 2); res->end = res->start + size - 1; res->flags = flags; fixup_resource(res, dev); @@ -537,10 +476,16 @@ void __devinit scan_phb(struct pci_controller *hose) bus->secondary = hose->first_busno; hose->bus = bus; + if (!firmware_has_feature(FW_FEATURE_ISERIES)) + pcibios_map_io_space(bus); + bus->resource[0] = res = &hose->io_resource; - if (res->flags && request_resource(&ioport_resource, res)) + if (res->flags && request_resource(&ioport_resource, res)) { printk(KERN_ERR "Failed to request PCI IO region " "on PCI domain %04x\n", hose->global_number); + DBG("res->start = 0x%016lx, res->end = 0x%016lx\n", + res->start, res->end); + } for (i = 0; i < 3; ++i) { res = &hose->mem_resources[i]; @@ -598,17 +543,6 @@ static int __init pcibios_init(void) if (ppc_md.pcibios_fixup) ppc_md.pcibios_fixup(); - /* Cache the location of the ISA bridge (if we have one) */ - ppc64_isabridge_dev = pci_get_class(PCI_CLASS_BRIDGE_ISA << 8, NULL); - if (ppc64_isabridge_dev != NULL) - printk(KERN_DEBUG "ISA bridge at %s\n", pci_name(ppc64_isabridge_dev)); - - if (!firmware_has_feature(FW_FEATURE_ISERIES)) - /* map in PCI I/O space */ - phbs_remap_io(); - - pci_initial_scan_done = 1; - printk(KERN_DEBUG "PCI: Probing PCI hardware done\n"); return 0; @@ -616,11 +550,6 @@ static int __init pcibios_init(void) subsys_initcall(pcibios_init); -char __init *pcibios_setup(char *str) -{ - return str; -} - int pcibios_enable_device(struct pci_dev *dev, int mask) { u16 cmd, oldcmd; @@ -651,22 +580,6 @@ int pcibios_enable_device(struct pci_dev *dev, int mask) return 0; } -/* - * Return the domain number for this bus. - */ -int pci_domain_nr(struct pci_bus *bus) -{ - if (firmware_has_feature(FW_FEATURE_ISERIES)) - return 0; - else { - struct pci_controller *hose = pci_bus_to_host(bus); - - return hose->global_number; - } -} - -EXPORT_SYMBOL(pci_domain_nr); - /* Decide whether to display the domain number in /proc */ int pci_proc_domain(struct pci_bus *bus) { @@ -678,281 +591,6 @@ int pci_proc_domain(struct pci_bus *bus) } } -/* - * Platform support for /proc/bus/pci/X/Y mmap()s, - * modelled on the sparc64 implementation by Dave Miller. - * -- paulus. - */ - -/* - * Adjust vm_pgoff of VMA such that it is the physical page offset - * corresponding to the 32-bit pci bus offset for DEV requested by the user. - * - * Basically, the user finds the base address for his device which he wishes - * to mmap. They read the 32-bit value from the config space base register, - * add whatever PAGE_SIZE multiple offset they wish, and feed this into the - * offset parameter of mmap on /proc/bus/pci/XXX for that device. - * - * Returns negative error code on failure, zero on success. - */ -static struct resource *__pci_mmap_make_offset(struct pci_dev *dev, - resource_size_t *offset, - enum pci_mmap_state mmap_state) -{ - struct pci_controller *hose = pci_bus_to_host(dev->bus); - unsigned long io_offset = 0; - int i, res_bit; - - if (hose == 0) - return NULL; /* should never happen */ - - /* If memory, add on the PCI bridge address offset */ - if (mmap_state == pci_mmap_mem) { -#if 0 /* See comment in pci_resource_to_user() for why this is disabled */ - *offset += hose->pci_mem_offset; -#endif - res_bit = IORESOURCE_MEM; - } else { - io_offset = (unsigned long)hose->io_base_virt - pci_io_base; - *offset += io_offset; - res_bit = IORESOURCE_IO; - } - - /* - * Check that the offset requested corresponds to one of the - * resources of the device. - */ - for (i = 0; i <= PCI_ROM_RESOURCE; i++) { - struct resource *rp = &dev->resource[i]; - int flags = rp->flags; - - /* treat ROM as memory (should be already) */ - if (i == PCI_ROM_RESOURCE) - flags |= IORESOURCE_MEM; - - /* Active and same type? */ - if ((flags & res_bit) == 0) - continue; - - /* In the range of this resource? */ - if (*offset < (rp->start & PAGE_MASK) || *offset > rp->end) - continue; - - /* found it! construct the final physical address */ - if (mmap_state == pci_mmap_io) - *offset += hose->io_base_phys - io_offset; - return rp; - } - - return NULL; -} - -/* - * Set vm_page_prot of VMA, as appropriate for this architecture, for a pci - * device mapping. - */ -static pgprot_t __pci_mmap_set_pgprot(struct pci_dev *dev, struct resource *rp, - pgprot_t protection, - enum pci_mmap_state mmap_state, - int write_combine) -{ - unsigned long prot = pgprot_val(protection); - - /* Write combine is always 0 on non-memory space mappings. On - * memory space, if the user didn't pass 1, we check for a - * "prefetchable" resource. This is a bit hackish, but we use - * this to workaround the inability of /sysfs to provide a write - * combine bit - */ - if (mmap_state != pci_mmap_mem) - write_combine = 0; - else if (write_combine == 0) { - if (rp->flags & IORESOURCE_PREFETCH) - write_combine = 1; - } - - /* XXX would be nice to have a way to ask for write-through */ - prot |= _PAGE_NO_CACHE; - if (write_combine) - prot &= ~_PAGE_GUARDED; - else - prot |= _PAGE_GUARDED; - - return __pgprot(prot); -} - -/* - * This one is used by /dev/mem and fbdev who have no clue about the - * PCI device, it tries to find the PCI device first and calls the - * above routine - */ -pgprot_t pci_phys_mem_access_prot(struct file *file, - unsigned long pfn, - unsigned long size, - pgprot_t protection) -{ - struct pci_dev *pdev = NULL; - struct resource *found = NULL; - unsigned long prot = pgprot_val(protection); - unsigned long offset = pfn << PAGE_SHIFT; - int i; - - if (page_is_ram(pfn)) - return __pgprot(prot); - - prot |= _PAGE_NO_CACHE | _PAGE_GUARDED; - - for_each_pci_dev(pdev) { - for (i = 0; i <= PCI_ROM_RESOURCE; i++) { - struct resource *rp = &pdev->resource[i]; - int flags = rp->flags; - - /* Active and same type? */ - if ((flags & IORESOURCE_MEM) == 0) - continue; - /* In the range of this resource? */ - if (offset < (rp->start & PAGE_MASK) || - offset > rp->end) - continue; - found = rp; - break; - } - if (found) - break; - } - if (found) { - if (found->flags & IORESOURCE_PREFETCH) - prot &= ~_PAGE_GUARDED; - pci_dev_put(pdev); - } - - DBG("non-PCI map for %lx, prot: %lx\n", offset, prot); - - return __pgprot(prot); -} - - -/* - * Perform the actual remap of the pages for a PCI device mapping, as - * appropriate for this architecture. The region in the process to map - * is described by vm_start and vm_end members of VMA, the base physical - * address is found in vm_pgoff. - * The pci device structure is provided so that architectures may make mapping - * decisions on a per-device or per-bus basis. - * - * Returns a negative error code on failure, zero on success. - */ -int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, - enum pci_mmap_state mmap_state, int write_combine) -{ - resource_size_t offset = vma->vm_pgoff << PAGE_SHIFT; - struct resource *rp; - int ret; - - rp = __pci_mmap_make_offset(dev, &offset, mmap_state); - if (rp == NULL) - return -EINVAL; - - vma->vm_pgoff = offset >> PAGE_SHIFT; - vma->vm_page_prot = __pci_mmap_set_pgprot(dev, rp, - vma->vm_page_prot, - mmap_state, write_combine); - - ret = remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff, - vma->vm_end - vma->vm_start, vma->vm_page_prot); - - return ret; -} - -static ssize_t pci_show_devspec(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct pci_dev *pdev; - struct device_node *np; - - pdev = to_pci_dev (dev); - np = pci_device_to_OF_node(pdev); - if (np == NULL || np->full_name == NULL) - return 0; - return sprintf(buf, "%s", np->full_name); -} -static DEVICE_ATTR(devspec, S_IRUGO, pci_show_devspec, NULL); - -int pcibios_add_platform_entries(struct pci_dev *pdev) -{ - return device_create_file(&pdev->dev, &dev_attr_devspec); -} - -#define ISA_SPACE_MASK 0x1 -#define ISA_SPACE_IO 0x1 - -static void __devinit pci_process_ISA_OF_ranges(struct device_node *isa_node, - unsigned long phb_io_base_phys, - void __iomem * phb_io_base_virt) -{ - /* Remove these asap */ - - struct pci_address { - u32 a_hi; - u32 a_mid; - u32 a_lo; - }; - - struct isa_address { - u32 a_hi; - u32 a_lo; - }; - - struct isa_range { - struct isa_address isa_addr; - struct pci_address pci_addr; - unsigned int size; - }; - - const struct isa_range *range; - unsigned long pci_addr; - unsigned int isa_addr; - unsigned int size; - int rlen = 0; - - range = of_get_property(isa_node, "ranges", &rlen); - if (range == NULL || (rlen < sizeof(struct isa_range))) { - printk(KERN_ERR "no ISA ranges or unexpected isa range size," - "mapping 64k\n"); - __ioremap_explicit(phb_io_base_phys, - (unsigned long)phb_io_base_virt, - 0x10000, _PAGE_NO_CACHE | _PAGE_GUARDED); - return; - } - - /* From "ISA Binding to 1275" - * The ranges property is laid out as an array of elements, - * each of which comprises: - * cells 0 - 1: an ISA address - * cells 2 - 4: a PCI address - * (size depending on dev->n_addr_cells) - * cell 5: the size of the range - */ - if ((range->isa_addr.a_hi && ISA_SPACE_MASK) == ISA_SPACE_IO) { - isa_addr = range->isa_addr.a_lo; - pci_addr = (unsigned long) range->pci_addr.a_mid << 32 | - range->pci_addr.a_lo; - - /* Assume these are both zero */ - if ((pci_addr != 0) || (isa_addr != 0)) { - printk(KERN_ERR "unexpected isa to pci mapping: %s\n", - __FUNCTION__); - return; - } - - size = PAGE_ALIGN(range->size); - - __ioremap_explicit(phb_io_base_phys, - (unsigned long) phb_io_base_virt, - size, _PAGE_NO_CACHE | _PAGE_GUARDED); - } -} - void __devinit pci_process_bridge_OF_ranges(struct pci_controller *hose, struct device_node *dev, int prim) { @@ -1047,155 +685,122 @@ void __devinit pci_process_bridge_OF_ranges(struct pci_controller *hose, } } -void __devinit pci_setup_phb_io(struct pci_controller *hose, int primary) +#ifdef CONFIG_HOTPLUG + +int pcibios_unmap_io_space(struct pci_bus *bus) { - unsigned long size = hose->pci_io_size; - unsigned long io_virt_offset; - struct resource *res; - struct device_node *isa_dn; + struct pci_controller *hose; - if (size == 0) - return; + WARN_ON(bus == NULL); - hose->io_base_virt = reserve_phb_iospace(size); - DBG("phb%d io_base_phys 0x%lx io_base_virt 0x%lx\n", - hose->global_number, hose->io_base_phys, - (unsigned long) hose->io_base_virt); - - if (primary) { - pci_io_base = (unsigned long)hose->io_base_virt; - isa_dn = of_find_node_by_type(NULL, "isa"); - if (isa_dn) { - isa_io_base = pci_io_base; - pci_process_ISA_OF_ranges(isa_dn, hose->io_base_phys, - hose->io_base_virt); - of_node_put(isa_dn); - } - } + /* If this is not a PHB, we only flush the hash table over + * the area mapped by this bridge. We don't play with the PTE + * mappings since we might have to deal with sub-page alignemnts + * so flushing the hash table is the only sane way to make sure + * that no hash entries are covering that removed bridge area + * while still allowing other busses overlapping those pages + */ + if (bus->self) { + struct resource *res = bus->resource[0]; - io_virt_offset = (unsigned long)hose->io_base_virt - pci_io_base; - res = &hose->io_resource; - res->start += io_virt_offset; - res->end += io_virt_offset; + DBG("IO unmapping for PCI-PCI bridge %s\n", + pci_name(bus->self)); - /* If this is called after the initial PCI scan, then we need to - * proceed to IO mappings now - */ - if (pci_initial_scan_done) - __ioremap_explicit(hose->io_base_phys, - (unsigned long)hose->io_base_virt, - hose->pci_io_size, - _PAGE_NO_CACHE | _PAGE_GUARDED); -} + __flush_hash_table_range(&init_mm, res->start + _IO_BASE, + res->end - res->start + 1); + return 0; + } -void __devinit pci_setup_phb_io_dynamic(struct pci_controller *hose, - int primary) -{ - unsigned long size = hose->pci_io_size; - unsigned long io_virt_offset; - struct resource *res; + /* Get the host bridge */ + hose = pci_bus_to_host(bus); - if (size == 0) - return; + /* Check if we have IOs allocated */ + if (hose->io_base_alloc == 0) + return 0; - hose->io_base_virt = __ioremap(hose->io_base_phys, size, - _PAGE_NO_CACHE | _PAGE_GUARDED); - DBG("phb%d io_base_phys 0x%lx io_base_virt 0x%lx\n", - hose->global_number, hose->io_base_phys, - (unsigned long) hose->io_base_virt); + DBG("IO unmapping for PHB %s\n", + ((struct device_node *)hose->arch_data)->full_name); + DBG(" alloc=0x%p\n", hose->io_base_alloc); - if (primary) - pci_io_base = (unsigned long)hose->io_base_virt; + /* This is a PHB, we fully unmap the IO area */ + vunmap(hose->io_base_alloc); - io_virt_offset = (unsigned long)hose->io_base_virt - pci_io_base; - res = &hose->io_resource; - res->start += io_virt_offset; - res->end += io_virt_offset; + return 0; } +EXPORT_SYMBOL_GPL(pcibios_unmap_io_space); +#endif /* CONFIG_HOTPLUG */ -static int get_bus_io_range(struct pci_bus *bus, unsigned long *start_phys, - unsigned long *start_virt, unsigned long *size) +int __devinit pcibios_map_io_space(struct pci_bus *bus) { - struct pci_controller *hose = pci_bus_to_host(bus); - struct resource *res; - - if (bus->self) - res = bus->resource[0]; - else - /* Root Bus */ - res = &hose->io_resource; - - if (res->end == 0 && res->start == 0) - return 1; + struct vm_struct *area; + unsigned long phys_page; + unsigned long size_page; + unsigned long io_virt_offset; + struct pci_controller *hose; - *start_virt = pci_io_base + res->start; - *start_phys = *start_virt + hose->io_base_phys - - (unsigned long) hose->io_base_virt; + WARN_ON(bus == NULL); - if (res->end > res->start) - *size = res->end - res->start + 1; - else { - printk("%s(): unexpected region 0x%lx->0x%lx\n", - __FUNCTION__, res->start, res->end); - return 1; + /* If this not a PHB, nothing to do, page tables still exist and + * thus HPTEs will be faulted in when needed + */ + if (bus->self) { + DBG("IO mapping for PCI-PCI bridge %s\n", + pci_name(bus->self)); + DBG(" virt=0x%016lx...0x%016lx\n", + bus->resource[0]->start + _IO_BASE, + bus->resource[0]->end + _IO_BASE); + return 0; } - return 0; -} - -int unmap_bus_range(struct pci_bus *bus) -{ - unsigned long start_phys; - unsigned long start_virt; - unsigned long size; + /* Get the host bridge */ + hose = pci_bus_to_host(bus); + phys_page = _ALIGN_DOWN(hose->io_base_phys, PAGE_SIZE); + size_page = _ALIGN_UP(hose->pci_io_size, PAGE_SIZE); - if (!bus) { - printk(KERN_ERR "%s() expected bus\n", __FUNCTION__); - return 1; - } - - if (get_bus_io_range(bus, &start_phys, &start_virt, &size)) - return 1; - if (__iounmap_explicit((void __iomem *) start_virt, size)) - return 1; - - return 0; -} -EXPORT_SYMBOL(unmap_bus_range); + /* Make sure IO area address is clear */ + hose->io_base_alloc = NULL; -int remap_bus_range(struct pci_bus *bus) -{ - unsigned long start_phys; - unsigned long start_virt; - unsigned long size; + /* If there's no IO to map on that bus, get away too */ + if (hose->pci_io_size == 0 || hose->io_base_phys == 0) + return 0; - if (!bus) { - printk(KERN_ERR "%s() expected bus\n", __FUNCTION__); - return 1; - } - - - if (get_bus_io_range(bus, &start_phys, &start_virt, &size)) - return 1; - if (start_phys == 0) - return 1; - printk(KERN_DEBUG "mapping IO %lx -> %lx, size: %lx\n", start_phys, start_virt, size); - if (__ioremap_explicit(start_phys, start_virt, size, - _PAGE_NO_CACHE | _PAGE_GUARDED)) - return 1; + /* Let's allocate some IO space for that guy. We don't pass + * VM_IOREMAP because we don't care about alignment tricks that + * the core does in that case. Maybe we should due to stupid card + * with incomplete address decoding but I'd rather not deal with + * those outside of the reserved 64K legacy region. + */ + area = __get_vm_area(size_page, 0, PHB_IO_BASE, PHB_IO_END); + if (area == NULL) + return -ENOMEM; + hose->io_base_alloc = area->addr; + hose->io_base_virt = (void __iomem *)(area->addr + + hose->io_base_phys - phys_page); + + DBG("IO mapping for PHB %s\n", + ((struct device_node *)hose->arch_data)->full_name); + DBG(" phys=0x%016lx, virt=0x%p (alloc=0x%p)\n", + hose->io_base_phys, hose->io_base_virt, hose->io_base_alloc); + DBG(" size=0x%016lx (alloc=0x%016lx)\n", + hose->pci_io_size, size_page); + + /* Establish the mapping */ + if (__ioremap_at(phys_page, area->addr, size_page, + _PAGE_NO_CACHE | _PAGE_GUARDED) == NULL) + return -ENOMEM; + + /* Fixup hose IO resource */ + io_virt_offset = (unsigned long)hose->io_base_virt - _IO_BASE; + hose->io_resource.start += io_virt_offset; + hose->io_resource.end += io_virt_offset; + + DBG(" hose->io_resource=0x%016lx...0x%016lx\n", + hose->io_resource.start, hose->io_resource.end); return 0; } -EXPORT_SYMBOL(remap_bus_range); - -static void phbs_remap_io(void) -{ - struct pci_controller *hose, *tmp; - - list_for_each_entry_safe(hose, tmp, &hose_list, list_node) - remap_bus_range(hose->bus); -} +EXPORT_SYMBOL_GPL(pcibios_map_io_space); static void __devinit fixup_resource(struct resource *res, struct pci_dev *dev) { @@ -1203,8 +808,7 @@ static void __devinit fixup_resource(struct resource *res, struct pci_dev *dev) unsigned long offset; if (res->flags & IORESOURCE_IO) { - offset = (unsigned long)hose->io_base_virt - pci_io_base; - + offset = (unsigned long)hose->io_base_virt - _IO_BASE; res->start += offset; res->end += offset; } else if (res->flags & IORESOURCE_MEM) { @@ -1219,9 +823,20 @@ void __devinit pcibios_fixup_device_resources(struct pci_dev *dev, /* Update device resources. */ int i; - for (i = 0; i < PCI_NUM_RESOURCES; i++) - if (dev->resource[i].flags) - fixup_resource(&dev->resource[i], dev); + DBG("%s: Fixup resources:\n", pci_name(dev)); + for (i = 0; i < PCI_NUM_RESOURCES; i++) { + struct resource *res = &dev->resource[i]; + if (!res->flags) + continue; + + DBG(" 0x%02x < %08lx:0x%016lx...0x%016lx\n", + i, res->flags, res->start, res->end); + + fixup_resource(res, dev); + + DBG(" > %08lx:0x%016lx...0x%016lx\n", + res->flags, res->start, res->end); + } } EXPORT_SYMBOL(pcibios_fixup_device_resources); @@ -1291,119 +906,6 @@ void __devinit pcibios_fixup_bus(struct pci_bus *bus) } EXPORT_SYMBOL(pcibios_fixup_bus); -/* - * Reads the interrupt pin to determine if interrupt is use by card. - * If the interrupt is used, then gets the interrupt line from the - * openfirmware and sets it in the pci_dev and pci_config line. - */ -int pci_read_irq_line(struct pci_dev *pci_dev) -{ - struct of_irq oirq; - unsigned int virq; - - DBG("Try to map irq for %s...\n", pci_name(pci_dev)); - -#ifdef DEBUG - memset(&oirq, 0xff, sizeof(oirq)); -#endif - /* Try to get a mapping from the device-tree */ - if (of_irq_map_pci(pci_dev, &oirq)) { - u8 line, pin; - - /* If that fails, lets fallback to what is in the config - * space and map that through the default controller. We - * also set the type to level low since that's what PCI - * interrupts are. If your platform does differently, then - * either provide a proper interrupt tree or don't use this - * function. - */ - if (pci_read_config_byte(pci_dev, PCI_INTERRUPT_PIN, &pin)) - return -1; - if (pin == 0) - return -1; - if (pci_read_config_byte(pci_dev, PCI_INTERRUPT_LINE, &line) || - line == 0xff) { - return -1; - } - DBG(" -> no map ! Using irq line %d from PCI config\n", line); - - virq = irq_create_mapping(NULL, line); - if (virq != NO_IRQ) - set_irq_type(virq, IRQ_TYPE_LEVEL_LOW); - } else { - DBG(" -> got one, spec %d cells (0x%08x 0x%08x...) on %s\n", - oirq.size, oirq.specifier[0], oirq.specifier[1], - oirq.controller->full_name); - - virq = irq_create_of_mapping(oirq.controller, oirq.specifier, - oirq.size); - } - if(virq == NO_IRQ) { - DBG(" -> failed to map !\n"); - return -1; - } - - DBG(" -> mapped to linux irq %d\n", virq); - - pci_dev->irq = virq; - - return 0; -} -EXPORT_SYMBOL(pci_read_irq_line); - -void pci_resource_to_user(const struct pci_dev *dev, int bar, - const struct resource *rsrc, - resource_size_t *start, resource_size_t *end) -{ - struct pci_controller *hose = pci_bus_to_host(dev->bus); - resource_size_t offset = 0; - - if (hose == NULL) - return; - - if (rsrc->flags & IORESOURCE_IO) - offset = (unsigned long)hose->io_base_virt - pci_io_base; - - /* We pass a fully fixed up address to userland for MMIO instead of - * a BAR value because X is lame and expects to be able to use that - * to pass to /dev/mem ! - * - * That means that we'll have potentially 64 bits values where some - * userland apps only expect 32 (like X itself since it thinks only - * Sparc has 64 bits MMIO) but if we don't do that, we break it on - * 32 bits CHRPs :-( - * - * Hopefully, the sysfs insterface is immune to that gunk. Once X - * has been fixed (and the fix spread enough), we can re-enable the - * 2 lines below and pass down a BAR value to userland. In that case - * we'll also have to re-enable the matching code in - * __pci_mmap_make_offset(). - * - * BenH. - */ -#if 0 - else if (rsrc->flags & IORESOURCE_MEM) - offset = hose->pci_mem_offset; -#endif - - *start = rsrc->start - offset; - *end = rsrc->end - offset; -} - -struct pci_controller* pci_find_hose_for_OF_device(struct device_node* node) -{ - if (!have_of) - return NULL; - while(node) { - struct pci_controller *hose, *tmp; - list_for_each_entry_safe(hose, tmp, &hose_list, list_node) - if (hose->arch_data == node) - return hose; - node = node->parent; - } - return NULL; -} - unsigned long pci_address_to_pio(phys_addr_t address) { struct pci_controller *hose, *tmp; @@ -1412,7 +914,7 @@ unsigned long pci_address_to_pio(phys_addr_t address) if (address >= hose->io_base_phys && address < (hose->io_base_phys + hose->pci_io_size)) { unsigned long base = - (unsigned long)hose->io_base_virt - pci_io_base; + (unsigned long)hose->io_base_virt - _IO_BASE; return base + (address - hose->io_base_phys); } } diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c index c96fa9b..a20f195 100644 --- a/arch/powerpc/kernel/ppc_ksyms.c +++ b/arch/powerpc/kernel/ppc_ksyms.c @@ -67,7 +67,6 @@ EXPORT_SYMBOL(ISA_DMA_THRESHOLD); EXPORT_SYMBOL(DMA_MODE_READ); EXPORT_SYMBOL(DMA_MODE_WRITE); -EXPORT_SYMBOL(do_signal); EXPORT_SYMBOL(transfer_to_handler); EXPORT_SYMBOL(do_IRQ); EXPORT_SYMBOL(machine_check_exception); @@ -106,10 +105,6 @@ EXPORT_SYMBOL(isa_mem_base); EXPORT_SYMBOL(pci_dram_offset); EXPORT_SYMBOL(pci_alloc_consistent); EXPORT_SYMBOL(pci_free_consistent); -EXPORT_SYMBOL(pci_bus_io_base); -EXPORT_SYMBOL(pci_bus_io_base_phys); -EXPORT_SYMBOL(pci_bus_mem_base_phys); -EXPORT_SYMBOL(pci_bus_to_hose); #endif /* CONFIG_PCI */ EXPORT_SYMBOL(start_thread); diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 6e2f035..84f000a 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -219,22 +219,26 @@ void discard_lazy_cpu_state(void) } #endif /* CONFIG_SMP */ -#ifdef CONFIG_PPC_MERGE /* XXX for now */ int set_dabr(unsigned long dabr) { +#ifdef CONFIG_PPC_MERGE /* XXX for now */ if (ppc_md.set_dabr) return ppc_md.set_dabr(dabr); +#endif + /* XXX should we have a CPU_FTR_HAS_DABR ? */ +#if defined(CONFIG_PPC64) || defined(CONFIG_6xx) mtspr(SPRN_DABR, dabr); +#endif return 0; } -#endif #ifdef CONFIG_PPC64 DEFINE_PER_CPU(struct cpu_usage, cpu_usage_array); -static DEFINE_PER_CPU(unsigned long, current_dabr); #endif +static DEFINE_PER_CPU(unsigned long, current_dabr); + struct task_struct *__switch_to(struct task_struct *prev, struct task_struct *new) { @@ -299,12 +303,10 @@ struct task_struct *__switch_to(struct task_struct *prev, #endif /* CONFIG_SMP */ -#ifdef CONFIG_PPC64 /* for now */ if (unlikely(__get_cpu_var(current_dabr) != new->thread.dabr)) { set_dabr(new->thread.dabr); __get_cpu_var(current_dabr) = new->thread.dabr; } -#endif /* CONFIG_PPC64 */ new_thread = &new->thread; old_thread = ¤t->thread; @@ -473,12 +475,10 @@ void flush_thread(void) discard_lazy_cpu_state(); -#ifdef CONFIG_PPC64 /* for now */ if (current->thread.dabr) { current->thread.dabr = 0; set_dabr(0); } -#endif } void diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index af42dda..37ff99b 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -52,6 +52,7 @@ #include <asm/pSeries_reconfig.h> #include <asm/pci-bridge.h> #include <asm/kexec.h> +#include <asm/system.h> #ifdef DEBUG #define DBG(fmt...) printk(KERN_ERR fmt) @@ -1005,7 +1006,7 @@ static void __init early_reserve_mem(void) void __init early_init_devtree(void *params) { - DBG(" -> early_init_devtree()\n"); + DBG(" -> early_init_devtree(%p)\n", params); /* Setup flat device-tree pointer */ initial_boot_params = params; @@ -1055,8 +1056,6 @@ void __init early_init_devtree(void *params) DBG(" <- early_init_devtree()\n"); } -#undef printk - int of_n_addr_cells(struct device_node* np) { const int *ip; @@ -1375,8 +1374,17 @@ static void of_node_release(struct kref *kref) struct device_node *node = kref_to_device_node(kref); struct property *prop = node->properties; - if (!OF_IS_DYNAMIC(node)) + /* We should never be releasing nodes that haven't been detached. */ + if (!of_node_check_flag(node, OF_DETACHED)) { + printk("WARNING: Bad of_node_put() on %s\n", node->full_name); + dump_stack(); + kref_init(&node->kref); + return; + } + + if (!of_node_check_flag(node, OF_DYNAMIC)) return; + while (prop) { struct property *next = prop->next; kfree(prop->name); @@ -1432,6 +1440,8 @@ void of_detach_node(const struct device_node *np) write_lock(&devtree_lock); parent = np->parent; + if (!parent) + goto out_unlock; if (allnodes == np) allnodes = np->allnext; @@ -1455,6 +1465,9 @@ void of_detach_node(const struct device_node *np) prevsib->sibling = np->sibling; } + of_node_set_flag(np, OF_DETACHED); + +out_unlock: write_unlock(&devtree_lock); } @@ -1716,22 +1729,18 @@ struct device_node *of_get_cpu_node(int cpu, unsigned int *thread) } EXPORT_SYMBOL(of_get_cpu_node); -#ifdef DEBUG +#if defined(CONFIG_DEBUG_FS) && defined(DEBUG) static struct debugfs_blob_wrapper flat_dt_blob; static int __init export_flat_device_tree(void) { struct dentry *d; - d = debugfs_create_dir("powerpc", NULL); - if (!d) - return 1; - flat_dt_blob.data = initial_boot_params; flat_dt_blob.size = initial_boot_params->totalsize; d = debugfs_create_blob("flat-device-tree", S_IFREG | S_IRUSR, - d, &flat_dt_blob); + powerpc_debugfs_root, &flat_dt_blob); if (!d) return 1; diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index d6047c4..a1d582e 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -635,6 +635,7 @@ static void __init early_cmdline_parse(void) /* ibm,dynamic-reconfiguration-memory property supported */ #define OV5_DRCONF_MEMORY 0x20 #define OV5_LARGE_PAGES 0x10 /* large pages supported */ +#define OV5_DONATE_DEDICATE_CPU 0x02 /* donate dedicated CPU support */ /* PCIe/MSI support. Without MSI full PCIe is not supported */ #ifdef CONFIG_PCI_MSI #define OV5_MSI 0x01 /* PCIe/MSI support */ @@ -685,7 +686,8 @@ static unsigned char ibm_architecture_vec[] = { /* option vector 5: PAPR/OF options */ 3 - 2, /* length */ 0, /* don't ignore, don't halt */ - OV5_LPAR | OV5_SPLPAR | OV5_LARGE_PAGES | OV5_DRCONF_MEMORY | OV5_MSI, + OV5_LPAR | OV5_SPLPAR | OV5_LARGE_PAGES | OV5_DRCONF_MEMORY | + OV5_DONATE_DEDICATE_CPU | OV5_MSI, }; /* Old method - ELF header with PT_NOTE sections */ diff --git a/arch/powerpc/kernel/ptrace-common.h b/arch/powerpc/kernel/ptrace-common.h deleted file mode 100644 index 8797ae7..0000000 --- a/arch/powerpc/kernel/ptrace-common.h +++ /dev/null @@ -1,161 +0,0 @@ -/* - * Copyright (c) 2002 Stephen Rothwell, IBM Coproration - * Extracted from ptrace.c and ptrace32.c - * - * This file is subject to the terms and conditions of the GNU General - * Public License. See the file README.legal in the main directory of - * this archive for more details. - */ - -#ifndef _PPC64_PTRACE_COMMON_H -#define _PPC64_PTRACE_COMMON_H - -#include <asm/system.h> - -/* - * Set of msr bits that gdb can change on behalf of a process. - */ -#define MSR_DEBUGCHANGE (MSR_FE0 | MSR_SE | MSR_BE | MSR_FE1) - -/* - * Get contents of register REGNO in task TASK. - */ -static inline unsigned long get_reg(struct task_struct *task, int regno) -{ - unsigned long tmp = 0; - - /* - * Put the correct FP bits in, they might be wrong as a result - * of our lazy FP restore. - */ - if (regno == PT_MSR) { - tmp = ((unsigned long *)task->thread.regs)[PT_MSR]; - tmp |= task->thread.fpexc_mode; - } else if (regno < (sizeof(struct pt_regs) / sizeof(unsigned long))) { - tmp = ((unsigned long *)task->thread.regs)[regno]; - } - - return tmp; -} - -/* - * Write contents of register REGNO in task TASK. - */ -static inline int put_reg(struct task_struct *task, int regno, - unsigned long data) -{ - if (regno < PT_SOFTE) { - if (regno == PT_MSR) - data = (data & MSR_DEBUGCHANGE) - | (task->thread.regs->msr & ~MSR_DEBUGCHANGE); - ((unsigned long *)task->thread.regs)[regno] = data; - return 0; - } - return -EIO; -} - -static inline void set_single_step(struct task_struct *task) -{ - struct pt_regs *regs = task->thread.regs; - if (regs != NULL) - regs->msr |= MSR_SE; - set_tsk_thread_flag(task, TIF_SINGLESTEP); -} - -static inline void clear_single_step(struct task_struct *task) -{ - struct pt_regs *regs = task->thread.regs; - if (regs != NULL) - regs->msr &= ~MSR_SE; - clear_tsk_thread_flag(task, TIF_SINGLESTEP); -} - -#ifdef CONFIG_ALTIVEC -/* - * Get/set all the altivec registers vr0..vr31, vscr, vrsave, in one go. - * The transfer totals 34 quadword. Quadwords 0-31 contain the - * corresponding vector registers. Quadword 32 contains the vscr as the - * last word (offset 12) within that quadword. Quadword 33 contains the - * vrsave as the first word (offset 0) within the quadword. - * - * This definition of the VMX state is compatible with the current PPC32 - * ptrace interface. This allows signal handling and ptrace to use the - * same structures. This also simplifies the implementation of a bi-arch - * (combined (32- and 64-bit) gdb. - */ - -/* - * Get contents of AltiVec register state in task TASK - */ -static inline int get_vrregs(unsigned long __user *data, - struct task_struct *task) -{ - unsigned long regsize; - - /* copy AltiVec registers VR[0] .. VR[31] */ - regsize = 32 * sizeof(vector128); - if (copy_to_user(data, task->thread.vr, regsize)) - return -EFAULT; - data += (regsize / sizeof(unsigned long)); - - /* copy VSCR */ - regsize = 1 * sizeof(vector128); - if (copy_to_user(data, &task->thread.vscr, regsize)) - return -EFAULT; - data += (regsize / sizeof(unsigned long)); - - /* copy VRSAVE */ - if (put_user(task->thread.vrsave, (u32 __user *)data)) - return -EFAULT; - - return 0; -} - -/* - * Write contents of AltiVec register state into task TASK. - */ -static inline int set_vrregs(struct task_struct *task, - unsigned long __user *data) -{ - unsigned long regsize; - - /* copy AltiVec registers VR[0] .. VR[31] */ - regsize = 32 * sizeof(vector128); - if (copy_from_user(task->thread.vr, data, regsize)) - return -EFAULT; - data += (regsize / sizeof(unsigned long)); - - /* copy VSCR */ - regsize = 1 * sizeof(vector128); - if (copy_from_user(&task->thread.vscr, data, regsize)) - return -EFAULT; - data += (regsize / sizeof(unsigned long)); - - /* copy VRSAVE */ - if (get_user(task->thread.vrsave, (u32 __user *)data)) - return -EFAULT; - - return 0; -} -#endif - -static inline int ptrace_set_debugreg(struct task_struct *task, - unsigned long addr, unsigned long data) -{ - /* We only support one DABR and no IABRS at the moment */ - if (addr > 0) - return -EINVAL; - - /* The bottom 3 bits are flags */ - if ((data & ~0x7UL) >= TASK_SIZE) - return -EIO; - - /* Ensure translation is on */ - if (data && !(data & DABR_TRANSLATION)) - return -EIO; - - task->thread.dabr = data; - return 0; -} - -#endif /* _PPC64_PTRACE_COMMON_H */ diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c index bf76562..8a177bd 100644 --- a/arch/powerpc/kernel/ptrace.c +++ b/arch/powerpc/kernel/ptrace.c @@ -35,11 +35,11 @@ #include <asm/pgtable.h> #include <asm/system.h> -#ifdef CONFIG_PPC64 -#include "ptrace-common.h" -#endif +/* + * does not yet catch signals sent when the child dies. + * in exit.c or in signal.c. + */ -#ifdef CONFIG_PPC32 /* * Set of msr bits that gdb can change on behalf of a process. */ @@ -48,65 +48,117 @@ #else #define MSR_DEBUGCHANGE (MSR_SE | MSR_BE) #endif -#endif /* CONFIG_PPC32 */ /* - * does not yet catch signals sent when the child dies. - * in exit.c or in signal.c. + * Max register writeable via put_reg */ - #ifdef CONFIG_PPC32 +#define PT_MAX_PUT_REG PT_MQ +#else +#define PT_MAX_PUT_REG PT_CCR +#endif + /* * Get contents of register REGNO in task TASK. */ -static inline unsigned long get_reg(struct task_struct *task, int regno) +unsigned long ptrace_get_reg(struct task_struct *task, int regno) { - if (regno < sizeof(struct pt_regs) / sizeof(unsigned long) - && task->thread.regs != NULL) + unsigned long tmp = 0; + + if (task->thread.regs == NULL) + return -EIO; + + if (regno == PT_MSR) { + tmp = ((unsigned long *)task->thread.regs)[PT_MSR]; + return tmp | task->thread.fpexc_mode; + } + + if (regno < (sizeof(struct pt_regs) / sizeof(unsigned long))) return ((unsigned long *)task->thread.regs)[regno]; - return (0); + + return -EIO; } /* * Write contents of register REGNO in task TASK. */ -static inline int put_reg(struct task_struct *task, int regno, - unsigned long data) +int ptrace_put_reg(struct task_struct *task, int regno, unsigned long data) { - if (regno <= PT_MQ && task->thread.regs != NULL) { + if (task->thread.regs == NULL) + return -EIO; + + if (regno <= PT_MAX_PUT_REG || regno == PT_TRAP) { if (regno == PT_MSR) data = (data & MSR_DEBUGCHANGE) | (task->thread.regs->msr & ~MSR_DEBUGCHANGE); + /* We prevent mucking around with the reserved area of trap + * which are used internally by the kernel + */ + if (regno == PT_TRAP) + data &= 0xfff0; ((unsigned long *)task->thread.regs)[regno] = data; return 0; } return -EIO; } + +static int get_fpregs(void __user *data, struct task_struct *task, + int has_fpscr) +{ + unsigned int count = has_fpscr ? 33 : 32; + + if (copy_to_user(data, task->thread.fpr, count * sizeof(double))) + return -EFAULT; + return 0; +} + +static int set_fpregs(void __user *data, struct task_struct *task, + int has_fpscr) +{ + unsigned int count = has_fpscr ? 33 : 32; + + if (copy_from_user(task->thread.fpr, data, count * sizeof(double))) + return -EFAULT; + return 0; +} + + #ifdef CONFIG_ALTIVEC /* + * Get/set all the altivec registers vr0..vr31, vscr, vrsave, in one go. + * The transfer totals 34 quadword. Quadwords 0-31 contain the + * corresponding vector registers. Quadword 32 contains the vscr as the + * last word (offset 12) within that quadword. Quadword 33 contains the + * vrsave as the first word (offset 0) within the quadword. + * + * This definition of the VMX state is compatible with the current PPC32 + * ptrace interface. This allows signal handling and ptrace to use the + * same structures. This also simplifies the implementation of a bi-arch + * (combined (32- and 64-bit) gdb. + */ + +/* * Get contents of AltiVec register state in task TASK */ -static inline int get_vrregs(unsigned long __user *data, struct task_struct *task) +static int get_vrregs(unsigned long __user *data, struct task_struct *task) { - int i, j; - - if (!access_ok(VERIFY_WRITE, data, 133 * sizeof(unsigned long))) - return -EFAULT; + unsigned long regsize; /* copy AltiVec registers VR[0] .. VR[31] */ - for (i = 0; i < 32; i++) - for (j = 0; j < 4; j++, data++) - if (__put_user(task->thread.vr[i].u[j], data)) - return -EFAULT; + regsize = 32 * sizeof(vector128); + if (copy_to_user(data, task->thread.vr, regsize)) + return -EFAULT; + data += (regsize / sizeof(unsigned long)); /* copy VSCR */ - for (i = 0; i < 4; i++, data++) - if (__put_user(task->thread.vscr.u[i], data)) - return -EFAULT; + regsize = 1 * sizeof(vector128); + if (copy_to_user(data, &task->thread.vscr, regsize)) + return -EFAULT; + data += (regsize / sizeof(unsigned long)); - /* copy VRSAVE */ - if (__put_user(task->thread.vrsave, data)) + /* copy VRSAVE */ + if (put_user(task->thread.vrsave, (u32 __user *)data)) return -EFAULT; return 0; @@ -115,31 +167,29 @@ static inline int get_vrregs(unsigned long __user *data, struct task_struct *tas /* * Write contents of AltiVec register state into task TASK. */ -static inline int set_vrregs(struct task_struct *task, unsigned long __user *data) +static int set_vrregs(struct task_struct *task, unsigned long __user *data) { - int i, j; - - if (!access_ok(VERIFY_READ, data, 133 * sizeof(unsigned long))) - return -EFAULT; + unsigned long regsize; /* copy AltiVec registers VR[0] .. VR[31] */ - for (i = 0; i < 32; i++) - for (j = 0; j < 4; j++, data++) - if (__get_user(task->thread.vr[i].u[j], data)) - return -EFAULT; + regsize = 32 * sizeof(vector128); + if (copy_from_user(task->thread.vr, data, regsize)) + return -EFAULT; + data += (regsize / sizeof(unsigned long)); /* copy VSCR */ - for (i = 0; i < 4; i++, data++) - if (__get_user(task->thread.vscr.u[i], data)) - return -EFAULT; + regsize = 1 * sizeof(vector128); + if (copy_from_user(&task->thread.vscr, data, regsize)) + return -EFAULT; + data += (regsize / sizeof(unsigned long)); /* copy VRSAVE */ - if (__get_user(task->thread.vrsave, data)) + if (get_user(task->thread.vrsave, (u32 __user *)data)) return -EFAULT; return 0; } -#endif +#endif /* CONFIG_ALTIVEC */ #ifdef CONFIG_SPE @@ -156,7 +206,7 @@ static inline int set_vrregs(struct task_struct *task, unsigned long __user *dat /* * Get contents of SPE register state in task TASK. */ -static inline int get_evrregs(unsigned long *data, struct task_struct *task) +static int get_evrregs(unsigned long *data, struct task_struct *task) { int i; @@ -182,7 +232,7 @@ static inline int get_evrregs(unsigned long *data, struct task_struct *task) /* * Write contents of SPE register state into task TASK. */ -static inline int set_evrregs(struct task_struct *task, unsigned long *data) +static int set_evrregs(struct task_struct *task, unsigned long *data) { int i; @@ -205,8 +255,8 @@ static inline int set_evrregs(struct task_struct *task, unsigned long *data) } #endif /* CONFIG_SPE */ -static inline void -set_single_step(struct task_struct *task) + +static void set_single_step(struct task_struct *task) { struct pt_regs *regs = task->thread.regs; @@ -221,8 +271,7 @@ set_single_step(struct task_struct *task) set_tsk_thread_flag(task, TIF_SINGLESTEP); } -static inline void -clear_single_step(struct task_struct *task) +static void clear_single_step(struct task_struct *task) { struct pt_regs *regs = task->thread.regs; @@ -236,7 +285,25 @@ clear_single_step(struct task_struct *task) } clear_tsk_thread_flag(task, TIF_SINGLESTEP); } -#endif /* CONFIG_PPC32 */ + +static int ptrace_set_debugreg(struct task_struct *task, unsigned long addr, + unsigned long data) +{ + /* We only support one DABR and no IABRS at the moment */ + if (addr > 0) + return -EINVAL; + + /* The bottom 3 bits are flags */ + if ((data & ~0x7UL) >= TASK_SIZE) + return -EIO; + + /* Ensure translation is on */ + if (data && !(data & DABR_TRANSLATION)) + return -EIO; + + task->thread.dabr = data; + return 0; +} /* * Called by kernel/ptrace.c when detaching.. @@ -249,6 +316,62 @@ void ptrace_disable(struct task_struct *child) clear_single_step(child); } +/* + * Here are the old "legacy" powerpc specific getregs/setregs ptrace calls, + * we mark them as obsolete now, they will be removed in a future version + */ +static long arch_ptrace_old(struct task_struct *child, long request, long addr, + long data) +{ + int ret = -EPERM; + + switch(request) { + case PPC_PTRACE_GETREGS: { /* Get GPRs 0 - 31. */ + int i; + unsigned long *reg = &((unsigned long *)child->thread.regs)[0]; + unsigned long __user *tmp = (unsigned long __user *)addr; + + for (i = 0; i < 32; i++) { + ret = put_user(*reg, tmp); + if (ret) + break; + reg++; + tmp++; + } + break; + } + + case PPC_PTRACE_SETREGS: { /* Set GPRs 0 - 31. */ + int i; + unsigned long *reg = &((unsigned long *)child->thread.regs)[0]; + unsigned long __user *tmp = (unsigned long __user *)addr; + + for (i = 0; i < 32; i++) { + ret = get_user(*reg, tmp); + if (ret) + break; + reg++; + tmp++; + } + break; + } + + case PPC_PTRACE_GETFPREGS: { /* Get FPRs 0 - 31. */ + flush_fp_to_thread(child); + ret = get_fpregs((void __user *)addr, child, 0); + break; + } + + case PPC_PTRACE_SETFPREGS: { /* Get FPRs 0 - 31. */ + flush_fp_to_thread(child); + ret = set_fpregs((void __user *)addr, child, 0); + break; + } + + } + return ret; +} + long arch_ptrace(struct task_struct *child, long request, long addr, long data) { int ret = -EPERM; @@ -256,17 +379,9 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) switch (request) { /* when I and D space are separate, these will need to be fixed. */ case PTRACE_PEEKTEXT: /* read word at location addr. */ - case PTRACE_PEEKDATA: { - unsigned long tmp; - int copied; - - copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0); - ret = -EIO; - if (copied != sizeof(tmp)) - break; - ret = put_user(tmp,(unsigned long __user *) data); + case PTRACE_PEEKDATA: + ret = generic_ptrace_peekdata(child, addr, data); break; - } /* read the word at location addr in the USER area. */ case PTRACE_PEEKUSR: { @@ -284,11 +399,9 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) #endif break; -#ifdef CONFIG_PPC32 CHECK_FULL_REGS(child->thread.regs); -#endif if (index < PT_FPR0) { - tmp = get_reg(child, (int) index); + tmp = ptrace_get_reg(child, (int) index); } else { flush_fp_to_thread(child); tmp = ((unsigned long *)child->thread.fpr)[index - PT_FPR0]; @@ -300,11 +413,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) /* If I and D space are separate, this will have to be fixed. */ case PTRACE_POKETEXT: /* write the word at location addr. */ case PTRACE_POKEDATA: - ret = 0; - if (access_process_vm(child, addr, &data, sizeof(data), 1) - == sizeof(data)) - break; - ret = -EIO; + ret = generic_ptrace_pokedata(child, addr, data); break; /* write the word at location addr in the USER area */ @@ -323,13 +432,9 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) #endif break; -#ifdef CONFIG_PPC32 CHECK_FULL_REGS(child->thread.regs); -#endif - if (index == PT_ORIG_R3) - break; if (index < PT_FPR0) { - ret = put_reg(child, index, data); + ret = ptrace_put_reg(child, index, data); } else { flush_fp_to_thread(child); ((unsigned long *)child->thread.fpr)[index - PT_FPR0] = data; @@ -384,7 +489,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; } -#ifdef CONFIG_PPC64 case PTRACE_GET_DEBUGREG: { ret = -EINVAL; /* We only support one DABR and no IABRS at the moment */ @@ -398,73 +502,61 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) case PTRACE_SET_DEBUGREG: ret = ptrace_set_debugreg(child, addr, data); break; -#endif case PTRACE_DETACH: ret = ptrace_detach(child, data); break; - case PPC_PTRACE_GETREGS: { /* Get GPRs 0 - 31. */ - int i; - unsigned long *reg = &((unsigned long *)child->thread.regs)[0]; - unsigned long __user *tmp = (unsigned long __user *)addr; - - for (i = 0; i < 32; i++) { - ret = put_user(*reg, tmp); - if (ret) - break; - reg++; - tmp++; +#ifdef CONFIG_PPC64 + case PTRACE_GETREGS64: +#endif + case PTRACE_GETREGS: { /* Get all pt_regs from the child. */ + int ui; + if (!access_ok(VERIFY_WRITE, (void __user *)data, + sizeof(struct pt_regs))) { + ret = -EIO; + break; + } + ret = 0; + for (ui = 0; ui < PT_REGS_COUNT; ui ++) { + ret |= __put_user(ptrace_get_reg(child, ui), + (unsigned long __user *) data); + data += sizeof(long); } break; } - case PPC_PTRACE_SETREGS: { /* Set GPRs 0 - 31. */ - int i; - unsigned long *reg = &((unsigned long *)child->thread.regs)[0]; - unsigned long __user *tmp = (unsigned long __user *)addr; - - for (i = 0; i < 32; i++) { - ret = get_user(*reg, tmp); +#ifdef CONFIG_PPC64 + case PTRACE_SETREGS64: +#endif + case PTRACE_SETREGS: { /* Set all gp regs in the child. */ + unsigned long tmp; + int ui; + if (!access_ok(VERIFY_READ, (void __user *)data, + sizeof(struct pt_regs))) { + ret = -EIO; + break; + } + ret = 0; + for (ui = 0; ui < PT_REGS_COUNT; ui ++) { + ret = __get_user(tmp, (unsigned long __user *) data); if (ret) break; - reg++; - tmp++; + ptrace_put_reg(child, ui, tmp); + data += sizeof(long); } break; } - case PPC_PTRACE_GETFPREGS: { /* Get FPRs 0 - 31. */ - int i; - unsigned long *reg = &((unsigned long *)child->thread.fpr)[0]; - unsigned long __user *tmp = (unsigned long __user *)addr; - + case PTRACE_GETFPREGS: { /* Get the child FPU state (FPR0...31 + FPSCR) */ flush_fp_to_thread(child); - - for (i = 0; i < 32; i++) { - ret = put_user(*reg, tmp); - if (ret) - break; - reg++; - tmp++; - } + ret = get_fpregs((void __user *)data, child, 1); break; } - case PPC_PTRACE_SETFPREGS: { /* Get FPRs 0 - 31. */ - int i; - unsigned long *reg = &((unsigned long *)child->thread.fpr)[0]; - unsigned long __user *tmp = (unsigned long __user *)addr; - + case PTRACE_SETFPREGS: { /* Set the child FPU state (FPR0...31 + FPSCR) */ flush_fp_to_thread(child); - - for (i = 0; i < 32; i++) { - ret = get_user(*reg, tmp); - if (ret) - break; - reg++; - tmp++; - } + ret = set_fpregs((void __user *)data, child, 1); break; } @@ -499,11 +591,18 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; #endif + /* Old reverse args ptrace callss */ + case PPC_PTRACE_GETREGS: /* Get GPRs 0 - 31. */ + case PPC_PTRACE_SETREGS: /* Set GPRs 0 - 31. */ + case PPC_PTRACE_GETFPREGS: /* Get FPRs 0 - 31. */ + case PPC_PTRACE_SETFPREGS: /* Get FPRs 0 - 31. */ + ret = arch_ptrace_old(child, request, addr, data); + break; + default: ret = ptrace_request(child, request, addr, data); break; } - return ret; } diff --git a/arch/powerpc/kernel/ptrace32.c b/arch/powerpc/kernel/ptrace32.c index 9b9a230..9e6baea 100644 --- a/arch/powerpc/kernel/ptrace32.c +++ b/arch/powerpc/kernel/ptrace32.c @@ -33,13 +33,55 @@ #include <asm/pgtable.h> #include <asm/system.h> -#include "ptrace-common.h" - /* * does not yet catch signals sent when the child dies. * in exit.c or in signal.c. */ +/* + * Here are the old "legacy" powerpc specific getregs/setregs ptrace calls, + * we mark them as obsolete now, they will be removed in a future version + */ +static long compat_ptrace_old(struct task_struct *child, long request, + long addr, long data) +{ + int ret = -EPERM; + + switch(request) { + case PPC_PTRACE_GETREGS: { /* Get GPRs 0 - 31. */ + int i; + unsigned long *reg = &((unsigned long *)child->thread.regs)[0]; + unsigned int __user *tmp = (unsigned int __user *)addr; + + for (i = 0; i < 32; i++) { + ret = put_user(*reg, tmp); + if (ret) + break; + reg++; + tmp++; + } + break; + } + + case PPC_PTRACE_SETREGS: { /* Set GPRs 0 - 31. */ + int i; + unsigned long *reg = &((unsigned long *)child->thread.regs)[0]; + unsigned int __user *tmp = (unsigned int __user *)addr; + + for (i = 0; i < 32; i++) { + ret = get_user(*reg, tmp); + if (ret) + break; + reg++; + tmp++; + } + break; + } + + } + return ret; +} + long compat_sys_ptrace(int request, int pid, unsigned long addr, unsigned long data) { @@ -123,7 +165,7 @@ long compat_sys_ptrace(int request, int pid, unsigned long addr, break; if (index < PT_FPR0) { - tmp = get_reg(child, index); + tmp = ptrace_get_reg(child, index); } else { flush_fp_to_thread(child); /* @@ -162,7 +204,9 @@ long compat_sys_ptrace(int request, int pid, unsigned long addr, else part = 0; /* want the 1st half of the register (left-most). */ - /* Validate the input - check to see if address is on the wrong boundary or beyond the end of the user area */ + /* Validate the input - check to see if address is on the wrong boundary + * or beyond the end of the user area + */ if ((addr & 3) || numReg > PT_FPSCR) break; @@ -170,7 +214,7 @@ long compat_sys_ptrace(int request, int pid, unsigned long addr, flush_fp_to_thread(child); tmp = ((unsigned long int *)child->thread.fpr)[numReg - PT_FPR0]; } else { /* register within PT_REGS struct */ - tmp = get_reg(child, numReg); + tmp = ptrace_get_reg(child, numReg); } reg32bits = ((u32*)&tmp)[part]; ret = put_user(reg32bits, (u32 __user *)data); @@ -226,10 +270,8 @@ long compat_sys_ptrace(int request, int pid, unsigned long addr, if ((addr & 3) || (index > PT_FPSCR32)) break; - if (index == PT_ORIG_R3) - break; if (index < PT_FPR0) { - ret = put_reg(child, index, data); + ret = ptrace_put_reg(child, index, data); } else { flush_fp_to_thread(child); /* @@ -258,70 +300,25 @@ long compat_sys_ptrace(int request, int pid, unsigned long addr, /* Determine which register the user wants */ index = (u64)addr >> 2; numReg = index / 2; + /* * Validate the input - check to see if address is on the * wrong boundary or beyond the end of the user area */ if ((addr & 3) || (numReg > PT_FPSCR)) break; - /* Insure it is a register we let them change */ - if ((numReg == PT_ORIG_R3) - || ((numReg > PT_CCR) && (numReg < PT_FPR0))) - break; - if (numReg >= PT_FPR0) { + if (numReg < PT_FPR0) { + unsigned long freg = ptrace_get_reg(child, numReg); + if (index % 2) + freg = (freg & ~0xfffffffful) | (data & 0xfffffffful); + else + freg = (freg & 0xfffffffful) | (data << 32); + ret = ptrace_put_reg(child, numReg, freg); + } else { flush_fp_to_thread(child); + ((unsigned int *)child->thread.regs)[index] = data; + ret = 0; } - if (numReg == PT_MSR) - data = (data & MSR_DEBUGCHANGE) - | (child->thread.regs->msr & ~MSR_DEBUGCHANGE); - ((u32*)child->thread.regs)[index] = data; - ret = 0; - break; - } - - case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */ - case PTRACE_CONT: { /* restart after signal. */ - ret = -EIO; - if (!valid_signal(data)) - break; - if (request == PTRACE_SYSCALL) - set_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - else - clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - child->exit_code = data; - /* make sure the single step bit is not set. */ - clear_single_step(child); - wake_up_process(child); - ret = 0; - break; - } - - /* - * make the child exit. Best I can do is send it a sigkill. - * perhaps it should be put in the status that it wants to - * exit. - */ - case PTRACE_KILL: { - ret = 0; - if (child->exit_state == EXIT_ZOMBIE) /* already dead */ - break; - child->exit_code = SIGKILL; - /* make sure the single step bit is not set. */ - clear_single_step(child); - wake_up_process(child); - break; - } - - case PTRACE_SINGLESTEP: { /* set the trap flag. */ - ret = -EIO; - if (!valid_signal(data)) - break; - clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - set_single_step(child); - child->exit_code = data; - /* give it a chance to run. */ - wake_up_process(child); - ret = 0; break; } @@ -334,95 +331,67 @@ long compat_sys_ptrace(int request, int pid, unsigned long addr, break; } - case PTRACE_SET_DEBUGREG: - ret = ptrace_set_debugreg(child, addr, data); - break; - - case PTRACE_DETACH: - ret = ptrace_detach(child, data); + case PTRACE_GETEVENTMSG: + ret = put_user(child->ptrace_message, (unsigned int __user *) data); break; - case PPC_PTRACE_GETREGS: { /* Get GPRs 0 - 31. */ - int i; - unsigned long *reg = &((unsigned long *)child->thread.regs)[0]; - unsigned int __user *tmp = (unsigned int __user *)addr; - - for (i = 0; i < 32; i++) { - ret = put_user(*reg, tmp); - if (ret) - break; - reg++; - tmp++; + case PTRACE_GETREGS: { /* Get all pt_regs from the child. */ + int ui; + if (!access_ok(VERIFY_WRITE, (void __user *)data, + PT_REGS_COUNT * sizeof(int))) { + ret = -EIO; + break; } - break; - } - - case PPC_PTRACE_SETREGS: { /* Set GPRs 0 - 31. */ - int i; - unsigned long *reg = &((unsigned long *)child->thread.regs)[0]; - unsigned int __user *tmp = (unsigned int __user *)addr; - - for (i = 0; i < 32; i++) { - ret = get_user(*reg, tmp); - if (ret) - break; - reg++; - tmp++; + ret = 0; + for (ui = 0; ui < PT_REGS_COUNT; ui ++) { + ret |= __put_user(ptrace_get_reg(child, ui), + (unsigned int __user *) data); + data += sizeof(int); } break; } - case PPC_PTRACE_GETFPREGS: { /* Get FPRs 0 - 31. */ - int i; - unsigned long *reg = &((unsigned long *)child->thread.fpr)[0]; - unsigned int __user *tmp = (unsigned int __user *)addr; - - flush_fp_to_thread(child); - - for (i = 0; i < 32; i++) { - ret = put_user(*reg, tmp); - if (ret) - break; - reg++; - tmp++; + case PTRACE_SETREGS: { /* Set all gp regs in the child. */ + unsigned long tmp; + int ui; + if (!access_ok(VERIFY_READ, (void __user *)data, + PT_REGS_COUNT * sizeof(int))) { + ret = -EIO; + break; } - break; - } - - case PPC_PTRACE_SETFPREGS: { /* Get FPRs 0 - 31. */ - int i; - unsigned long *reg = &((unsigned long *)child->thread.fpr)[0]; - unsigned int __user *tmp = (unsigned int __user *)addr; - - flush_fp_to_thread(child); - - for (i = 0; i < 32; i++) { - ret = get_user(*reg, tmp); + ret = 0; + for (ui = 0; ui < PT_REGS_COUNT; ui ++) { + ret = __get_user(tmp, (unsigned int __user *) data); if (ret) break; - reg++; - tmp++; + ptrace_put_reg(child, ui, tmp); + data += sizeof(int); } break; } - case PTRACE_GETEVENTMSG: - ret = put_user(child->ptrace_message, (unsigned int __user *) data); - break; - -#ifdef CONFIG_ALTIVEC + case PTRACE_GETFPREGS: + case PTRACE_SETFPREGS: case PTRACE_GETVRREGS: - /* Get the child altivec register state. */ - flush_altivec_to_thread(child); - ret = get_vrregs((unsigned long __user *)data, child); + case PTRACE_SETVRREGS: + case PTRACE_GETREGS64: + case PTRACE_SETREGS64: + case PPC_PTRACE_GETFPREGS: + case PPC_PTRACE_SETFPREGS: + case PTRACE_KILL: + case PTRACE_SINGLESTEP: + case PTRACE_DETACH: + case PTRACE_SET_DEBUGREG: + case PTRACE_SYSCALL: + case PTRACE_CONT: + ret = arch_ptrace(child, request, addr, data); break; - case PTRACE_SETVRREGS: - /* Set the child altivec register state. */ - flush_altivec_to_thread(child); - ret = set_vrregs(child, (unsigned long __user *)data); + /* Old reverse args ptrace callss */ + case PPC_PTRACE_GETREGS: /* Get GPRs 0 - 31. */ + case PPC_PTRACE_SETREGS: /* Set GPRs 0 - 31. */ + ret = compat_ptrace_old(child, request, addr, data); break; -#endif default: ret = ptrace_request(child, request, addr, data); diff --git a/arch/powerpc/kernel/rtas_pci.c b/arch/powerpc/kernel/rtas_pci.c index f228682..a5de621 100644 --- a/arch/powerpc/kernel/rtas_pci.c +++ b/arch/powerpc/kernel/rtas_pci.c @@ -278,10 +278,8 @@ void __init find_and_init_phbs(void) { struct device_node *node; struct pci_controller *phb; - unsigned int index; struct device_node *root = of_find_node_by_path("/"); - index = 0; for (node = of_get_next_child(root, NULL); node != NULL; node = of_get_next_child(root, node)) { @@ -295,8 +293,7 @@ void __init find_and_init_phbs(void) continue; rtas_setup_phb(phb); pci_process_bridge_OF_ranges(phb, node, 0); - pci_setup_phb_io(phb, index == 0); - index++; + isa_bridge_find_early(phb); } of_node_put(root); @@ -335,7 +332,7 @@ int pcibios_remove_root_bus(struct pci_controller *phb) return 1; } - rc = unmap_bus_range(b); + rc = pcibios_unmap_io_space(b); if (rc) { printk(KERN_ERR "%s: failed to unmap IO on bus %s\n", __FUNCTION__, b->name); diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index ed07a19..4924c48 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -32,6 +32,7 @@ #include <linux/unistd.h> #include <linux/serial.h> #include <linux/serial_8250.h> +#include <linux/debugfs.h> #include <asm/io.h> #include <asm/prom.h> #include <asm/processor.h> @@ -486,6 +487,14 @@ int check_legacy_ioport(unsigned long base_port) switch(base_port) { case I8042_DATA_REG: + if (!(np = of_find_compatible_node(NULL, NULL, "pnpPNP,303"))) + np = of_find_compatible_node(NULL, NULL, "pnpPNP,f03"); + if (np) { + parent = of_get_parent(np); + of_node_put(np); + np = parent; + break; + } np = of_find_node_by_type(NULL, "8042"); break; case FDC_BASE: /* FDC1 */ @@ -571,3 +580,15 @@ static int __init check_cache_coherency(void) late_initcall(check_cache_coherency); #endif /* CONFIG_CHECK_CACHE_COHERENCY */ + +#ifdef CONFIG_DEBUG_FS +struct dentry *powerpc_debugfs_root; + +static int powerpc_debugfs_init(void) +{ + powerpc_debugfs_root = debugfs_create_dir("powerpc", NULL); + + return powerpc_debugfs_root == NULL; +} +arch_initcall(powerpc_debugfs_init); +#endif diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c index 35f8f44..7ec6ba5 100644 --- a/arch/powerpc/kernel/setup_32.c +++ b/arch/powerpc/kernel/setup_32.c @@ -262,13 +262,11 @@ void __init setup_arch(char **cmdline_p) * Systems with OF can look in the properties on the cpu node(s) * for a possibly more accurate value. */ - if (cpu_has_feature(CPU_FTR_SPLIT_ID_CACHE)) { - dcache_bsize = cur_cpu_spec->dcache_bsize; - icache_bsize = cur_cpu_spec->icache_bsize; - ucache_bsize = 0; - } else - ucache_bsize = dcache_bsize = icache_bsize - = cur_cpu_spec->dcache_bsize; + dcache_bsize = cur_cpu_spec->dcache_bsize; + icache_bsize = cur_cpu_spec->icache_bsize; + ucache_bsize = 0; + if (cpu_has_feature(CPU_FTR_UNIFIED_ID_CACHE)) + ucache_bsize = icache_bsize = dcache_bsize; /* reboot on panic */ panic_timeout = 180; diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index 6018178..bc43bba 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -350,13 +350,11 @@ void __init setup_system(void) { DBG(" -> setup_system()\n"); - /* Apply the CPUs-specific and firmware specific fixups to kernel - * text (nop out sections not relevant to this CPU or this firmware) + /* Apply CPUs-specific fixups to kernel text (nop out sections + * not relevant to this CPU) */ do_feature_fixups(cur_cpu_spec->cpu_features, &__start___ftr_fixup, &__stop___ftr_fixup); - do_feature_fixups(powerpc_firmware_features, - &__start___fw_ftr_fixup, &__stop___fw_ftr_fixup); /* * Unflatten the device-tree passed by prom_init or kexec @@ -394,6 +392,12 @@ void __init setup_system(void) if (ppc_md.init_early) ppc_md.init_early(); + /* Apply firmware specific fixups to kernel text (nop out + * sections not relevant to this firmware) + */ + do_feature_fixups(powerpc_firmware_features, + &__start___fw_ftr_fixup, &__stop___fw_ftr_fixup); + /* * We can discover serial ports now since the above did setup the * hash table management for us, thus ioremap works. We do that early diff --git a/arch/powerpc/kernel/signal.c b/arch/powerpc/kernel/signal.c new file mode 100644 index 0000000..c434d6c --- /dev/null +++ b/arch/powerpc/kernel/signal.c @@ -0,0 +1,180 @@ +/* + * Common signal handling code for both 32 and 64 bits + * + * Copyright (c) 2007 Benjamin Herrenschmidt, IBM Coproration + * Extracted from signal_32.c and signal_64.c + * + * This file is subject to the terms and conditions of the GNU General + * Public License. See the file README.legal in the main directory of + * this archive for more details. + */ + +#include <linux/ptrace.h> +#include <linux/signal.h> +#include <asm/uaccess.h> +#include <asm/unistd.h> + +#include "signal.h" + +/* + * Allocate space for the signal frame + */ +void __user * get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, + size_t frame_size) +{ + unsigned long oldsp, newsp; + + /* Default to using normal stack */ + oldsp = regs->gpr[1]; + + /* Check for alt stack */ + if ((ka->sa.sa_flags & SA_ONSTACK) && + current->sas_ss_size && !on_sig_stack(oldsp)) + oldsp = (current->sas_ss_sp + current->sas_ss_size); + + /* Get aligned frame */ + newsp = (oldsp - frame_size) & ~0xFUL; + + /* Check access */ + if (!access_ok(VERIFY_WRITE, (void __user *)newsp, oldsp - newsp)) + return NULL; + + return (void __user *)newsp; +} + + +/* + * Restore the user process's signal mask + */ +void restore_sigmask(sigset_t *set) +{ + sigdelsetmask(set, ~_BLOCKABLE); + spin_lock_irq(¤t->sighand->siglock); + current->blocked = *set; + recalc_sigpending(); + spin_unlock_irq(¤t->sighand->siglock); +} + +static void check_syscall_restart(struct pt_regs *regs, struct k_sigaction *ka, + int has_handler) +{ + unsigned long ret = regs->gpr[3]; + int restart = 1; + + /* syscall ? */ + if (TRAP(regs) != 0x0C00) + return; + + /* error signalled ? */ + if (!(regs->ccr & 0x10000000)) + return; + + switch (ret) { + case ERESTART_RESTARTBLOCK: + case ERESTARTNOHAND: + /* ERESTARTNOHAND means that the syscall should only be + * restarted if there was no handler for the signal, and since + * we only get here if there is a handler, we dont restart. + */ + restart = !has_handler; + break; + case ERESTARTSYS: + /* ERESTARTSYS means to restart the syscall if there is no + * handler or the handler was registered with SA_RESTART + */ + restart = !has_handler || (ka->sa.sa_flags & SA_RESTART) != 0; + break; + case ERESTARTNOINTR: + /* ERESTARTNOINTR means that the syscall should be + * called again after the signal handler returns. + */ + break; + default: + return; + } + if (restart) { + if (ret == ERESTART_RESTARTBLOCK) + regs->gpr[0] = __NR_restart_syscall; + else + regs->gpr[3] = regs->orig_gpr3; + regs->nip -= 4; + regs->result = 0; + } else { + regs->result = -EINTR; + regs->gpr[3] = EINTR; + regs->ccr |= 0x10000000; + } +} + +int do_signal(sigset_t *oldset, struct pt_regs *regs) +{ + siginfo_t info; + int signr; + struct k_sigaction ka; + int ret; + int is32 = is_32bit_task(); + + if (test_thread_flag(TIF_RESTORE_SIGMASK)) + oldset = ¤t->saved_sigmask; + else if (!oldset) + oldset = ¤t->blocked; + + signr = get_signal_to_deliver(&info, &ka, regs, NULL); + + /* Is there any syscall restart business here ? */ + check_syscall_restart(regs, &ka, signr > 0); + + if (signr <= 0) { + /* No signal to deliver -- put the saved sigmask back */ + if (test_thread_flag(TIF_RESTORE_SIGMASK)) { + clear_thread_flag(TIF_RESTORE_SIGMASK); + sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); + } + return 0; /* no signals delivered */ + } + + /* + * Reenable the DABR before delivering the signal to + * user space. The DABR will have been cleared if it + * triggered inside the kernel. + */ + if (current->thread.dabr) + set_dabr(current->thread.dabr); + + if (is32) { + if (ka.sa.sa_flags & SA_SIGINFO) + ret = handle_rt_signal32(signr, &ka, &info, oldset, + regs); + else + ret = handle_signal32(signr, &ka, &info, oldset, + regs); + } else { + ret = handle_rt_signal64(signr, &ka, &info, oldset, regs); + } + + if (ret) { + spin_lock_irq(¤t->sighand->siglock); + sigorsets(¤t->blocked, ¤t->blocked, + &ka.sa.sa_mask); + if (!(ka.sa.sa_flags & SA_NODEFER)) + sigaddset(¤t->blocked, signr); + recalc_sigpending(); + spin_unlock_irq(¤t->sighand->siglock); + + /* + * A signal was successfully delivered; the saved sigmask is in + * its frame, and we can clear the TIF_RESTORE_SIGMASK flag. + */ + if (test_thread_flag(TIF_RESTORE_SIGMASK)) + clear_thread_flag(TIF_RESTORE_SIGMASK); + } + + return ret; +} + +long sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss, + unsigned long r5, unsigned long r6, unsigned long r7, + unsigned long r8, struct pt_regs *regs) +{ + return do_sigaltstack(uss, uoss, regs->gpr[1]); +} diff --git a/arch/powerpc/kernel/signal.h b/arch/powerpc/kernel/signal.h new file mode 100644 index 0000000..77efb3d --- /dev/null +++ b/arch/powerpc/kernel/signal.h @@ -0,0 +1,55 @@ +/* + * Copyright (c) 2007 Benjamin Herrenschmidt, IBM Coproration + * Extracted from signal_32.c and signal_64.c + * + * This file is subject to the terms and conditions of the GNU General + * Public License. See the file README.legal in the main directory of + * this archive for more details. + */ + +#ifndef _POWERPC_ARCH_SIGNAL_H +#define _POWERPC_ARCH_SIGNAL_H + +#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) + +extern void __user * get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, + size_t frame_size); +extern void restore_sigmask(sigset_t *set); + +extern int handle_signal32(unsigned long sig, struct k_sigaction *ka, + siginfo_t *info, sigset_t *oldset, + struct pt_regs *regs); + +extern int handle_rt_signal32(unsigned long sig, struct k_sigaction *ka, + siginfo_t *info, sigset_t *oldset, + struct pt_regs *regs); + + +#ifdef CONFIG_PPC64 + +static inline int is_32bit_task(void) +{ + return test_thread_flag(TIF_32BIT); +} + +extern int handle_rt_signal64(int signr, struct k_sigaction *ka, + siginfo_t *info, sigset_t *set, + struct pt_regs *regs); + +#else /* CONFIG_PPC64 */ + +static inline int is_32bit_task(void) +{ + return 1; +} + +static inline int handle_rt_signal64(int signr, struct k_sigaction *ka, + siginfo_t *info, sigset_t *set, + struct pt_regs *regs) +{ + return -EFAULT; +} + +#endif /* !defined(CONFIG_PPC64) */ + +#endif /* _POWERPC_ARCH_SIGNAL_H */ diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index dd1dca5..590057e 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -51,12 +51,11 @@ #include <asm/pgtable.h> #endif -#undef DEBUG_SIG +#include "signal.h" -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) +#undef DEBUG_SIG #ifdef CONFIG_PPC64 -#define do_signal do_signal32 #define sys_sigsuspend compat_sys_sigsuspend #define sys_rt_sigsuspend compat_sys_rt_sigsuspend #define sys_rt_sigreturn compat_sys_rt_sigreturn @@ -231,8 +230,6 @@ static inline int restore_general_regs(struct pt_regs *regs, #endif /* CONFIG_PPC64 */ -int do_signal(sigset_t *oldset, struct pt_regs *regs); - /* * Atomically swap in the new signal mask, and wait for a signal. */ @@ -251,14 +248,6 @@ long sys_sigsuspend(old_sigset_t mask) return -ERESTARTNOHAND; } -#ifdef CONFIG_PPC32 -long sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss, int r5, - int r6, int r7, int r8, struct pt_regs *regs) -{ - return do_sigaltstack(uss, uoss, regs->gpr[1]); -} -#endif - long sys_sigaction(int sig, struct old_sigaction __user *act, struct old_sigaction __user *oact) { @@ -293,14 +282,17 @@ long sys_sigaction(int sig, struct old_sigaction __user *act, /* * When we have signals to deliver, we set up on the * user stack, going down from the original stack pointer: - * a sigregs struct + * an ABI gap of 56 words + * an mcontext struct * a sigcontext struct * a gap of __SIGNAL_FRAMESIZE bytes * - * Each of these things must be a multiple of 16 bytes in size. + * Each of these things must be a multiple of 16 bytes in size. The following + * structure represent all of this except the __SIGNAL_FRAMESIZE gap * */ -struct sigregs { +struct sigframe { + struct sigcontext sctx; /* the sigcontext */ struct mcontext mctx; /* all the register values */ /* * Programs using the rs6000/xcoff abi can save up to 19 gp @@ -703,44 +695,22 @@ int compat_sys_sigaltstack(u32 __new, u32 __old, int r5, } #endif /* CONFIG_PPC64 */ - -/* - * Restore the user process's signal mask - */ -#ifdef CONFIG_PPC64 -extern void restore_sigmask(sigset_t *set); -#else /* CONFIG_PPC64 */ -static void restore_sigmask(sigset_t *set) -{ - sigdelsetmask(set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = *set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); -} -#endif - /* * Set up a signal frame for a "real-time" signal handler * (one which gets siginfo). */ -static int handle_rt_signal(unsigned long sig, struct k_sigaction *ka, +int handle_rt_signal32(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, sigset_t *oldset, - struct pt_regs *regs, unsigned long newsp) + struct pt_regs *regs) { struct rt_sigframe __user *rt_sf; struct mcontext __user *frame; - unsigned long origsp = newsp; + unsigned long newsp = 0; /* Set up Signal Frame */ /* Put a Real Time Context onto stack */ - newsp -= sizeof(*rt_sf); - rt_sf = (struct rt_sigframe __user *)newsp; - - /* create a stack frame for the caller of the handler */ - newsp -= __SIGNAL_FRAMESIZE + 16; - - if (!access_ok(VERIFY_WRITE, (void __user *)newsp, origsp - newsp)) + rt_sf = get_sigframe(ka, regs, sizeof(*rt_sf)); + if (unlikely(rt_sf == NULL)) goto badframe; /* Put the siginfo & fill in most of the ucontext */ @@ -770,8 +740,12 @@ static int handle_rt_signal(unsigned long sig, struct k_sigaction *ka, current->thread.fpscr.val = 0; /* turn off all fp exceptions */ + /* create a stack frame for the caller of the handler */ + newsp = ((unsigned long)rt_sf) - (__SIGNAL_FRAMESIZE + 16); if (put_user(regs->gpr[1], (u32 __user *)newsp)) goto badframe; + + /* Fill registers for signal handler */ regs->gpr[1] = newsp; regs->gpr[3] = sig; regs->gpr[4] = (unsigned long) &rt_sf->info; @@ -1015,27 +989,18 @@ int sys_debug_setcontext(struct ucontext __user *ctx, /* * OK, we're invoking a handler */ -static int handle_signal(unsigned long sig, struct k_sigaction *ka, - siginfo_t *info, sigset_t *oldset, struct pt_regs *regs, - unsigned long newsp) +int handle_signal32(unsigned long sig, struct k_sigaction *ka, + siginfo_t *info, sigset_t *oldset, struct pt_regs *regs) { struct sigcontext __user *sc; - struct sigregs __user *frame; - unsigned long origsp = newsp; + struct sigframe __user *frame; + unsigned long newsp = 0; /* Set up Signal Frame */ - newsp -= sizeof(struct sigregs); - frame = (struct sigregs __user *) newsp; - - /* Put a sigcontext on the stack */ - newsp -= sizeof(*sc); - sc = (struct sigcontext __user *) newsp; - - /* create a stack frame for the caller of the handler */ - newsp -= __SIGNAL_FRAMESIZE; - - if (!access_ok(VERIFY_WRITE, (void __user *) newsp, origsp - newsp)) + frame = get_sigframe(ka, regs, sizeof(*frame)); + if (unlikely(frame == NULL)) goto badframe; + sc = (struct sigcontext __user *) &frame->sctx; #if _NSIG != 64 #error "Please adjust handle_signal()" @@ -1047,7 +1012,7 @@ static int handle_signal(unsigned long sig, struct k_sigaction *ka, #else || __put_user(oldset->sig[1], &sc->_unused[3]) #endif - || __put_user(to_user_ptr(frame), &sc->regs) + || __put_user(to_user_ptr(&frame->mctx), &sc->regs) || __put_user(sig, &sc->signal)) goto badframe; @@ -1063,8 +1028,11 @@ static int handle_signal(unsigned long sig, struct k_sigaction *ka, current->thread.fpscr.val = 0; /* turn off all fp exceptions */ + /* create a stack frame for the caller of the handler */ + newsp = ((unsigned long)frame) - __SIGNAL_FRAMESIZE; if (put_user(regs->gpr[1], (u32 __user *)newsp)) goto badframe; + regs->gpr[1] = newsp; regs->gpr[3] = sig; regs->gpr[4] = (unsigned long) sc; @@ -1126,106 +1094,3 @@ badframe: force_sig(SIGSEGV, current); return 0; } - -/* - * Note that 'init' is a special process: it doesn't get signals it doesn't - * want to handle. Thus you cannot kill init even with a SIGKILL even by - * mistake. - */ -int do_signal(sigset_t *oldset, struct pt_regs *regs) -{ - siginfo_t info; - struct k_sigaction ka; - unsigned int newsp; - int signr, ret; - -#ifdef CONFIG_PPC32 - if (try_to_freeze()) { - signr = 0; - if (!signal_pending(current)) - goto no_signal; - } -#endif - - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - oldset = ¤t->saved_sigmask; - else if (!oldset) - oldset = ¤t->blocked; - - signr = get_signal_to_deliver(&info, &ka, regs, NULL); -#ifdef CONFIG_PPC32 -no_signal: -#endif - if (TRAP(regs) == 0x0C00 /* System Call! */ - && regs->ccr & 0x10000000 /* error signalled */ - && ((ret = regs->gpr[3]) == ERESTARTSYS - || ret == ERESTARTNOHAND || ret == ERESTARTNOINTR - || ret == ERESTART_RESTARTBLOCK)) { - - if (signr > 0 - && (ret == ERESTARTNOHAND || ret == ERESTART_RESTARTBLOCK - || (ret == ERESTARTSYS - && !(ka.sa.sa_flags & SA_RESTART)))) { - /* make the system call return an EINTR error */ - regs->result = -EINTR; - regs->gpr[3] = EINTR; - /* note that the cr0.SO bit is already set */ - } else { - regs->nip -= 4; /* Back up & retry system call */ - regs->result = 0; - regs->trap = 0; - if (ret == ERESTART_RESTARTBLOCK) - regs->gpr[0] = __NR_restart_syscall; - else - regs->gpr[3] = regs->orig_gpr3; - } - } - - if (signr == 0) { - /* No signal to deliver -- put the saved sigmask back */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } - return 0; /* no signals delivered */ - } - - if ((ka.sa.sa_flags & SA_ONSTACK) && current->sas_ss_size - && !on_sig_stack(regs->gpr[1])) - newsp = current->sas_ss_sp + current->sas_ss_size; - else - newsp = regs->gpr[1]; - newsp &= ~0xfUL; - -#ifdef CONFIG_PPC64 - /* - * Reenable the DABR before delivering the signal to - * user space. The DABR will have been cleared if it - * triggered inside the kernel. - */ - if (current->thread.dabr) - set_dabr(current->thread.dabr); -#endif - - /* Whee! Actually deliver the signal. */ - if (ka.sa.sa_flags & SA_SIGINFO) - ret = handle_rt_signal(signr, &ka, &info, oldset, regs, newsp); - else - ret = handle_signal(signr, &ka, &info, oldset, regs, newsp); - - if (ret) { - spin_lock_irq(¤t->sighand->siglock); - sigorsets(¤t->blocked, ¤t->blocked, - &ka.sa.sa_mask); - if (!(ka.sa.sa_flags & SA_NODEFER)) - sigaddset(¤t->blocked, signr); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - /* A signal was successfully delivered; the saved sigmask is in - its frame, and we can clear the TIF_RESTORE_SIGMASK flag */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - clear_thread_flag(TIF_RESTORE_SIGMASK); - } - - return ret; -} diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c index b27e268..de895e6 100644 --- a/arch/powerpc/kernel/signal_64.c +++ b/arch/powerpc/kernel/signal_64.c @@ -34,9 +34,9 @@ #include <asm/syscalls.h> #include <asm/vdso.h> -#define DEBUG_SIG 0 +#include "signal.h" -#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) +#define DEBUG_SIG 0 #define GP_REGS_SIZE min(sizeof(elf_gregset_t), sizeof(struct pt_regs)) #define FP_REGS_SIZE sizeof(elf_fpregset_t) @@ -64,14 +64,6 @@ struct rt_sigframe { char abigap[288]; } __attribute__ ((aligned (16))); -long sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss, unsigned long r5, - unsigned long r6, unsigned long r7, unsigned long r8, - struct pt_regs *regs) -{ - return do_sigaltstack(uss, uoss, regs->gpr[1]); -} - - /* * Set up the sigcontext for the signal frame. */ @@ -208,25 +200,6 @@ static long restore_sigcontext(struct pt_regs *regs, sigset_t *set, int sig, } /* - * Allocate space for the signal frame - */ -static inline void __user * get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, - size_t frame_size) -{ - unsigned long newsp; - - /* Default to using normal stack */ - newsp = regs->gpr[1]; - - if ((ka->sa.sa_flags & SA_ONSTACK) && current->sas_ss_size) { - if (! on_sig_stack(regs->gpr[1])) - newsp = (current->sas_ss_sp + current->sas_ss_size); - } - - return (void __user *)((newsp - frame_size) & -16ul); -} - -/* * Setup the trampoline code on the stack */ static long setup_trampoline(unsigned int syscall, unsigned int __user *tramp) @@ -253,19 +226,6 @@ static long setup_trampoline(unsigned int syscall, unsigned int __user *tramp) } /* - * Restore the user process's signal mask (also used by signal32.c) - */ -void restore_sigmask(sigset_t *set) -{ - sigdelsetmask(set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = *set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); -} - - -/* * Handle {get,set,swap}_context operations */ int sys_swapcontext(struct ucontext __user *old_ctx, @@ -359,7 +319,7 @@ badframe: return 0; } -static int setup_rt_frame(int signr, struct k_sigaction *ka, siginfo_t *info, +int handle_rt_signal64(int signr, struct k_sigaction *ka, siginfo_t *info, sigset_t *set, struct pt_regs *regs) { /* Handler is *really* a pointer to the function descriptor for @@ -373,8 +333,7 @@ static int setup_rt_frame(int signr, struct k_sigaction *ka, siginfo_t *info, long err = 0; frame = get_sigframe(ka, regs, sizeof(*frame)); - - if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) + if (unlikely(frame == NULL)) goto badframe; err |= __put_user(&frame->info, &frame->pinfo); @@ -411,7 +370,7 @@ static int setup_rt_frame(int signr, struct k_sigaction *ka, siginfo_t *info, funct_desc_ptr = (func_descr_t __user *) ka->sa.sa_handler; /* Allocate a dummy caller frame for the signal handler. */ - newsp = (unsigned long)frame - __SIGNAL_FRAMESIZE; + newsp = ((unsigned long)frame) - __SIGNAL_FRAMESIZE; err |= put_user(regs->gpr[1], (unsigned long __user *)newsp); /* Set up "regs" so we "return" to the signal handler. */ @@ -442,134 +401,3 @@ badframe: force_sigsegv(signr, current); return 0; } - - -/* - * OK, we're invoking a handler - */ -static int handle_signal(unsigned long sig, struct k_sigaction *ka, - siginfo_t *info, sigset_t *oldset, struct pt_regs *regs) -{ - int ret; - - /* Set up Signal Frame */ - ret = setup_rt_frame(sig, ka, info, oldset, regs); - - if (ret) { - spin_lock_irq(¤t->sighand->siglock); - sigorsets(¤t->blocked, ¤t->blocked, &ka->sa.sa_mask); - if (!(ka->sa.sa_flags & SA_NODEFER)) - sigaddset(¤t->blocked,sig); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - } - - return ret; -} - -static inline void syscall_restart(struct pt_regs *regs, struct k_sigaction *ka) -{ - switch ((int)regs->result) { - case -ERESTART_RESTARTBLOCK: - case -ERESTARTNOHAND: - /* ERESTARTNOHAND means that the syscall should only be - * restarted if there was no handler for the signal, and since - * we only get here if there is a handler, we dont restart. - */ - regs->result = -EINTR; - regs->gpr[3] = EINTR; - regs->ccr |= 0x10000000; - break; - case -ERESTARTSYS: - /* ERESTARTSYS means to restart the syscall if there is no - * handler or the handler was registered with SA_RESTART - */ - if (!(ka->sa.sa_flags & SA_RESTART)) { - regs->result = -EINTR; - regs->gpr[3] = EINTR; - regs->ccr |= 0x10000000; - break; - } - /* fallthrough */ - case -ERESTARTNOINTR: - /* ERESTARTNOINTR means that the syscall should be - * called again after the signal handler returns. - */ - regs->gpr[3] = regs->orig_gpr3; - regs->nip -= 4; - regs->result = 0; - break; - } -} - -/* - * Note that 'init' is a special process: it doesn't get signals it doesn't - * want to handle. Thus you cannot kill init even with a SIGKILL even by - * mistake. - */ -int do_signal(sigset_t *oldset, struct pt_regs *regs) -{ - siginfo_t info; - int signr; - struct k_sigaction ka; - - /* - * If the current thread is 32 bit - invoke the - * 32 bit signal handling code - */ - if (test_thread_flag(TIF_32BIT)) - return do_signal32(oldset, regs); - - if (test_thread_flag(TIF_RESTORE_SIGMASK)) - oldset = ¤t->saved_sigmask; - else if (!oldset) - oldset = ¤t->blocked; - - signr = get_signal_to_deliver(&info, &ka, regs, NULL); - if (signr > 0) { - int ret; - - /* Whee! Actually deliver the signal. */ - if (TRAP(regs) == 0x0C00) - syscall_restart(regs, &ka); - - /* - * Reenable the DABR before delivering the signal to - * user space. The DABR will have been cleared if it - * triggered inside the kernel. - */ - if (current->thread.dabr) - set_dabr(current->thread.dabr); - - ret = handle_signal(signr, &ka, &info, oldset, regs); - - /* If a signal was successfully delivered, the saved sigmask is in - its frame, and we can clear the TIF_RESTORE_SIGMASK flag */ - if (ret && test_thread_flag(TIF_RESTORE_SIGMASK)) - clear_thread_flag(TIF_RESTORE_SIGMASK); - - return ret; - } - - if (TRAP(regs) == 0x0C00) { /* System Call! */ - if ((int)regs->result == -ERESTARTNOHAND || - (int)regs->result == -ERESTARTSYS || - (int)regs->result == -ERESTARTNOINTR) { - regs->gpr[3] = regs->orig_gpr3; - regs->nip -= 4; /* Back up & retry system call */ - regs->result = 0; - } else if ((int)regs->result == -ERESTART_RESTARTBLOCK) { - regs->gpr[0] = __NR_restart_syscall; - regs->nip -= 4; - regs->result = 0; - } - } - /* No signal to deliver -- put the saved sigmask back */ - if (test_thread_flag(TIF_RESTORE_SIGMASK)) { - clear_thread_flag(TIF_RESTORE_SIGMASK); - sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL); - } - - return 0; -} -EXPORT_SYMBOL(do_signal); diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c index 68991c2..55d29ed 100644 --- a/arch/powerpc/kernel/sysfs.c +++ b/arch/powerpc/kernel/sysfs.c @@ -442,12 +442,14 @@ int sysfs_add_device_to_node(struct sys_device *dev, int nid) return sysfs_create_link(&node->sysdev.kobj, &dev->kobj, kobject_name(&dev->kobj)); } +EXPORT_SYMBOL_GPL(sysfs_add_device_to_node); void sysfs_remove_device_from_node(struct sys_device *dev, int nid) { struct node *node = &node_devices[nid]; sysfs_remove_link(&node->sysdev.kobj, kobject_name(&dev->kobj)); } +EXPORT_SYMBOL_GPL(sysfs_remove_device_from_node); #else static void register_nodes(void) @@ -457,9 +459,6 @@ static void register_nodes(void) #endif -EXPORT_SYMBOL_GPL(sysfs_add_device_to_node); -EXPORT_SYMBOL_GPL(sysfs_remove_device_from_node); - /* Only valid if CPU is present. */ static ssize_t show_physical_id(struct sys_device *dev, char *buf) { diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index 2c8564d..e5df167 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -77,9 +77,8 @@ /* keep track of when we need to update the rtc */ time_t last_rtc_update; #ifdef CONFIG_PPC_ISERIES -unsigned long iSeries_recal_titan = 0; -unsigned long iSeries_recal_tb = 0; -static unsigned long first_settimeofday = 1; +static unsigned long __initdata iSeries_recal_titan; +static signed long __initdata iSeries_recal_tb; #endif /* The decrementer counts down by 128 every 128ns on a 601. */ @@ -113,8 +112,9 @@ u64 ticklen_to_xs; /* 0.64 fraction */ DEFINE_SPINLOCK(rtc_lock); EXPORT_SYMBOL_GPL(rtc_lock); -u64 tb_to_ns_scale; -unsigned tb_to_ns_shift; +static u64 tb_to_ns_scale __read_mostly; +static unsigned tb_to_ns_shift __read_mostly; +static unsigned long boot_tb __read_mostly; struct gettimeofday_struct do_gtod; @@ -214,7 +214,6 @@ static void account_process_time(struct pt_regs *regs) run_posix_cpu_timers(current); } -#ifdef CONFIG_PPC_SPLPAR /* * Stuff for accounting stolen time. */ @@ -222,19 +221,28 @@ struct cpu_purr_data { int initialized; /* thread is running */ u64 tb; /* last TB value read */ u64 purr; /* last PURR value read */ - spinlock_t lock; }; +/* + * Each entry in the cpu_purr_data array is manipulated only by its + * "owner" cpu -- usually in the timer interrupt but also occasionally + * in process context for cpu online. As long as cpus do not touch + * each others' cpu_purr_data, disabling local interrupts is + * sufficient to serialize accesses. + */ static DEFINE_PER_CPU(struct cpu_purr_data, cpu_purr_data); static void snapshot_tb_and_purr(void *data) { + unsigned long flags; struct cpu_purr_data *p = &__get_cpu_var(cpu_purr_data); + local_irq_save(flags); p->tb = mftb(); p->purr = mfspr(SPRN_PURR); wmb(); p->initialized = 1; + local_irq_restore(flags); } /* @@ -242,15 +250,14 @@ static void snapshot_tb_and_purr(void *data) */ void snapshot_timebases(void) { - int cpu; - if (!cpu_has_feature(CPU_FTR_PURR)) return; - for_each_possible_cpu(cpu) - spin_lock_init(&per_cpu(cpu_purr_data, cpu).lock); on_each_cpu(snapshot_tb_and_purr, NULL, 0, 1); } +/* + * Must be called with interrupts disabled. + */ void calculate_steal_time(void) { u64 tb, purr; @@ -262,7 +269,6 @@ void calculate_steal_time(void) pme = &per_cpu(cpu_purr_data, smp_processor_id()); if (!pme->initialized) return; /* this can happen in early boot */ - spin_lock(&pme->lock); tb = mftb(); purr = mfspr(SPRN_PURR); stolen = (tb - pme->tb) - (purr - pme->purr); @@ -270,9 +276,9 @@ void calculate_steal_time(void) account_steal_time(current, stolen); pme->tb = tb; pme->purr = purr; - spin_unlock(&pme->lock); } +#ifdef CONFIG_PPC_SPLPAR /* * Must be called before the cpu is added to the online map when * a cpu is being brought up at runtime. @@ -284,12 +290,12 @@ static void snapshot_purr(void) if (!cpu_has_feature(CPU_FTR_PURR)) return; + local_irq_save(flags); pme = &per_cpu(cpu_purr_data, smp_processor_id()); - spin_lock_irqsave(&pme->lock, flags); pme->tb = mftb(); pme->purr = mfspr(SPRN_PURR); pme->initialized = 1; - spin_unlock_irqrestore(&pme->lock, flags); + local_irq_restore(flags); } #endif /* CONFIG_PPC_SPLPAR */ @@ -550,10 +556,15 @@ EXPORT_SYMBOL(profile_pc); * returned by the service processor for the timebase frequency. */ -static void iSeries_tb_recal(void) +static int __init iSeries_tb_recal(void) { struct div_result divres; unsigned long titan, tb; + + /* Make sure we only run on iSeries */ + if (!firmware_has_feature(FW_FEATURE_ISERIES)) + return -ENODEV; + tb = get_tb(); titan = HvCallXm_loadTod(); if ( iSeries_recal_titan ) { @@ -594,8 +605,18 @@ static void iSeries_tb_recal(void) } iSeries_recal_titan = titan; iSeries_recal_tb = tb; + + return 0; } -#endif +late_initcall(iSeries_tb_recal); + +/* Called from platform early init */ +void __init iSeries_time_init_early(void) +{ + iSeries_recal_tb = get_tb(); + iSeries_recal_titan = HvCallXm_loadTod(); +} +#endif /* CONFIG_PPC_ISERIES */ /* * For iSeries shared processors, we have to let the hypervisor @@ -735,7 +756,7 @@ unsigned long long sched_clock(void) { if (__USE_RTC()) return get_rtc(); - return mulhdu(get_tb(), tb_to_ns_scale) << tb_to_ns_shift; + return mulhdu(get_tb() - boot_tb, tb_to_ns_scale) << tb_to_ns_shift; } int do_settimeofday(struct timespec *tv) @@ -759,12 +780,6 @@ int do_settimeofday(struct timespec *tv) * to the RTC again, or write to the RTC but then they don't call * settimeofday to perform this operation. */ -#ifdef CONFIG_PPC_ISERIES - if (firmware_has_feature(FW_FEATURE_ISERIES) && first_settimeofday) { - iSeries_tb_recal(); - first_settimeofday = 0; - } -#endif /* Make userspace gettimeofday spin until we're done. */ ++vdso_data->tb_update_count; @@ -960,6 +975,8 @@ void __init time_init(void) } tb_to_ns_scale = scale; tb_to_ns_shift = shift; + /* Save the current timebase to pretty up CONFIG_PRINTK_TIME */ + boot_tb = get_tb(); tm = get_boot_time(); diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index bf6445a..2bb1cb9 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -149,6 +149,7 @@ int die(const char *str, struct pt_regs *regs, long err) bust_spinlocks(0); die.lock_owner = -1; + add_taint(TAINT_DIE); spin_unlock_irqrestore(&die.lock, flags); if (kexec_should_crash(current) || @@ -777,7 +778,7 @@ void __kprobes program_check_exception(struct pt_regs *regs) return; if (!(regs->msr & MSR_PR) && /* not user-mode */ - report_bug(regs->nip) == BUG_TRAP_TYPE_WARN) { + report_bug(regs->nip, regs) == BUG_TRAP_TYPE_WARN) { regs->nip += 4; return; } diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c index 4245579..cef01e4 100644 --- a/arch/powerpc/kernel/vdso.c +++ b/arch/powerpc/kernel/vdso.c @@ -670,7 +670,7 @@ static int __init vdso_init(void) /* * Fill up the "systemcfg" stuff for backward compatiblity */ - strcpy(vdso_data->eye_catcher, "SYSTEMCFG:PPC64"); + strcpy((char *)vdso_data->eye_catcher, "SYSTEMCFG:PPC64"); vdso_data->version.major = SYSTEMCFG_MAJOR; vdso_data->version.minor = SYSTEMCFG_MINOR; vdso_data->processor = mfspr(SPRN_PVR); diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S index 21c39ff..ae4acd8 100644 --- a/arch/powerpc/kernel/vmlinux.lds.S +++ b/arch/powerpc/kernel/vmlinux.lds.S @@ -7,6 +7,7 @@ #define PROVIDE32(x) PROVIDE(x) #endif #include <asm-generic/vmlinux.lds.h> +#include <asm/cache.h> ENTRY(_stext) @@ -211,6 +212,11 @@ SECTIONS *(.data.cacheline_aligned) } + . = ALIGN(L1_CACHE_BYTES); + .data.read_mostly : { + *(.data.read_mostly) + } + . = ALIGN(PAGE_SIZE); __data_nosave : { __nosave_begin = .; diff --git a/arch/powerpc/mm/44x_mmu.c b/arch/powerpc/mm/44x_mmu.c index ca4dcb0..c3df504 100644 --- a/arch/powerpc/mm/44x_mmu.c +++ b/arch/powerpc/mm/44x_mmu.c @@ -12,7 +12,6 @@ * Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au) * and Cort Dougan (PReP) (cort@cs.nmt.edu) * Copyright (C) 1996 Paul Mackerras - * Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk). * * Derived from "arch/i386/mm/init.c" * Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds diff --git a/arch/powerpc/mm/4xx_mmu.c b/arch/powerpc/mm/4xx_mmu.c index 838e09d..7ff2609 100644 --- a/arch/powerpc/mm/4xx_mmu.c +++ b/arch/powerpc/mm/4xx_mmu.c @@ -9,7 +9,6 @@ * Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au) * and Cort Dougan (PReP) (cort@cs.nmt.edu) * Copyright (C) 1996 Paul Mackerras - * Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk). * * Derived from "arch/i386/mm/init.c" * Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds diff --git a/arch/powerpc/mm/Makefile b/arch/powerpc/mm/Makefile index 4f839c6..7e4d27a 100644 --- a/arch/powerpc/mm/Makefile +++ b/arch/powerpc/mm/Makefile @@ -11,8 +11,7 @@ obj-$(CONFIG_PPC32) += init_32.o pgtable_32.o mmu_context_32.o hash-$(CONFIG_PPC_NATIVE) := hash_native_64.o obj-$(CONFIG_PPC64) += init_64.o pgtable_64.o mmu_context_64.o \ hash_utils_64.o hash_low_64.o tlb_64.o \ - slb_low.o slb.o stab.o mmap.o imalloc.o \ - $(hash-y) + slb_low.o slb.o stab.o mmap.o $(hash-y) obj-$(CONFIG_PPC_STD_MMU_32) += ppc_mmu_32.o hash_low_32.o tlb_32.o obj-$(CONFIG_40x) += 4xx_mmu.o obj-$(CONFIG_44x) += 44x_mmu.o diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c index 115b25f..0ece513 100644 --- a/arch/powerpc/mm/fault.c +++ b/arch/powerpc/mm/fault.c @@ -380,7 +380,7 @@ out_of_memory: } printk("VM: killing process %s\n", current->comm); if (user_mode(regs)) - do_exit(SIGKILL); + do_group_exit(SIGKILL); return SIGKILL; do_sigbus: diff --git a/arch/powerpc/mm/fsl_booke_mmu.c b/arch/powerpc/mm/fsl_booke_mmu.c index 123da03..afab247 100644 --- a/arch/powerpc/mm/fsl_booke_mmu.c +++ b/arch/powerpc/mm/fsl_booke_mmu.c @@ -14,7 +14,6 @@ * Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au) * and Cort Dougan (PReP) (cort@cs.nmt.edu) * Copyright (C) 1996 Paul Mackerras - * Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk). * * Derived from "arch/i386/mm/init.c" * Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds diff --git a/arch/powerpc/mm/hash_native_64.c b/arch/powerpc/mm/hash_native_64.c index 4a20d89..6ba9b47 100644 --- a/arch/powerpc/mm/hash_native_64.c +++ b/arch/powerpc/mm/hash_native_64.c @@ -104,7 +104,7 @@ static inline void tlbie(unsigned long va, int psize, int local) spin_unlock(&native_tlbie_lock); } -static inline void native_lock_hpte(hpte_t *hptep) +static inline void native_lock_hpte(struct hash_pte *hptep) { unsigned long *word = &hptep->v; @@ -116,7 +116,7 @@ static inline void native_lock_hpte(hpte_t *hptep) } } -static inline void native_unlock_hpte(hpte_t *hptep) +static inline void native_unlock_hpte(struct hash_pte *hptep) { unsigned long *word = &hptep->v; @@ -128,7 +128,7 @@ static long native_hpte_insert(unsigned long hpte_group, unsigned long va, unsigned long pa, unsigned long rflags, unsigned long vflags, int psize) { - hpte_t *hptep = htab_address + hpte_group; + struct hash_pte *hptep = htab_address + hpte_group; unsigned long hpte_v, hpte_r; int i; @@ -163,7 +163,7 @@ static long native_hpte_insert(unsigned long hpte_group, unsigned long va, hptep->r = hpte_r; /* Guarantee the second dword is visible before the valid bit */ - __asm__ __volatile__ ("eieio" : : : "memory"); + eieio(); /* * Now set the first dword including the valid bit * NOTE: this also unlocks the hpte @@ -177,7 +177,7 @@ static long native_hpte_insert(unsigned long hpte_group, unsigned long va, static long native_hpte_remove(unsigned long hpte_group) { - hpte_t *hptep; + struct hash_pte *hptep; int i; int slot_offset; unsigned long hpte_v; @@ -217,7 +217,7 @@ static long native_hpte_remove(unsigned long hpte_group) static long native_hpte_updatepp(unsigned long slot, unsigned long newpp, unsigned long va, int psize, int local) { - hpte_t *hptep = htab_address + slot; + struct hash_pte *hptep = htab_address + slot; unsigned long hpte_v, want_v; int ret = 0; @@ -233,15 +233,14 @@ static long native_hpte_updatepp(unsigned long slot, unsigned long newpp, /* Even if we miss, we need to invalidate the TLB */ if (!HPTE_V_COMPARE(hpte_v, want_v) || !(hpte_v & HPTE_V_VALID)) { DBG_LOW(" -> miss\n"); - native_unlock_hpte(hptep); ret = -1; } else { DBG_LOW(" -> hit\n"); /* Update the HPTE */ hptep->r = (hptep->r & ~(HPTE_R_PP | HPTE_R_N)) | (newpp & (HPTE_R_PP | HPTE_R_N | HPTE_R_C)); - native_unlock_hpte(hptep); } + native_unlock_hpte(hptep); /* Ensure it is out of the tlb too. */ tlbie(va, psize, local); @@ -251,7 +250,7 @@ static long native_hpte_updatepp(unsigned long slot, unsigned long newpp, static long native_hpte_find(unsigned long va, int psize) { - hpte_t *hptep; + struct hash_pte *hptep; unsigned long hash; unsigned long i, j; long slot; @@ -294,7 +293,7 @@ static void native_hpte_updateboltedpp(unsigned long newpp, unsigned long ea, { unsigned long vsid, va; long slot; - hpte_t *hptep; + struct hash_pte *hptep; vsid = get_kernel_vsid(ea); va = (vsid << 28) | (ea & 0x0fffffff); @@ -315,7 +314,7 @@ static void native_hpte_updateboltedpp(unsigned long newpp, unsigned long ea, static void native_hpte_invalidate(unsigned long slot, unsigned long va, int psize, int local) { - hpte_t *hptep = htab_address + slot; + struct hash_pte *hptep = htab_address + slot; unsigned long hpte_v; unsigned long want_v; unsigned long flags; @@ -345,7 +344,7 @@ static void native_hpte_invalidate(unsigned long slot, unsigned long va, #define LP_BITS 8 #define LP_MASK(i) ((0xFF >> (i)) << LP_SHIFT) -static void hpte_decode(hpte_t *hpte, unsigned long slot, +static void hpte_decode(struct hash_pte *hpte, unsigned long slot, int *psize, unsigned long *va) { unsigned long hpte_r = hpte->r; @@ -415,7 +414,7 @@ static void hpte_decode(hpte_t *hpte, unsigned long slot, static void native_hpte_clear(void) { unsigned long slot, slots, flags; - hpte_t *hptep = htab_address; + struct hash_pte *hptep = htab_address; unsigned long hpte_v, va; unsigned long pteg_count; int psize; @@ -462,7 +461,7 @@ static void native_hpte_clear(void) static void native_flush_hash_range(unsigned long number, int local) { unsigned long va, hash, index, hidx, shift, slot; - hpte_t *hptep; + struct hash_pte *hptep; unsigned long hpte_v; unsigned long want_v; unsigned long flags; diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index 4f2f453..2ce9491 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -87,7 +87,7 @@ extern unsigned long dart_tablebase; static unsigned long _SDR1; struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT]; -hpte_t *htab_address; +struct hash_pte *htab_address; unsigned long htab_size_bytes; unsigned long htab_hash_mask; int mmu_linear_psize = MMU_PAGE_4K; diff --git a/arch/powerpc/mm/imalloc.c b/arch/powerpc/mm/imalloc.c deleted file mode 100644 index c831815..0000000 --- a/arch/powerpc/mm/imalloc.c +++ /dev/null @@ -1,313 +0,0 @@ -/* - * c 2001 PPC 64 Team, IBM Corp - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -#include <linux/slab.h> -#include <linux/vmalloc.h> - -#include <asm/uaccess.h> -#include <asm/pgalloc.h> -#include <asm/pgtable.h> -#include <linux/mutex.h> -#include <asm/cacheflush.h> - -#include "mmu_decl.h" - -static DEFINE_MUTEX(imlist_mutex); -struct vm_struct * imlist = NULL; - -static int get_free_im_addr(unsigned long size, unsigned long *im_addr) -{ - unsigned long addr; - struct vm_struct **p, *tmp; - - addr = ioremap_bot; - for (p = &imlist; (tmp = *p) ; p = &tmp->next) { - if (size + addr < (unsigned long) tmp->addr) - break; - if ((unsigned long)tmp->addr >= ioremap_bot) - addr = tmp->size + (unsigned long) tmp->addr; - if (addr >= IMALLOC_END-size) - return 1; - } - *im_addr = addr; - - return 0; -} - -/* Return whether the region described by v_addr and size is a subset - * of the region described by parent - */ -static inline int im_region_is_subset(unsigned long v_addr, unsigned long size, - struct vm_struct *parent) -{ - return (int) (v_addr >= (unsigned long) parent->addr && - v_addr < (unsigned long) parent->addr + parent->size && - size < parent->size); -} - -/* Return whether the region described by v_addr and size is a superset - * of the region described by child - */ -static int im_region_is_superset(unsigned long v_addr, unsigned long size, - struct vm_struct *child) -{ - struct vm_struct parent; - - parent.addr = (void *) v_addr; - parent.size = size; - - return im_region_is_subset((unsigned long) child->addr, child->size, - &parent); -} - -/* Return whether the region described by v_addr and size overlaps - * the region described by vm. Overlapping regions meet the - * following conditions: - * 1) The regions share some part of the address space - * 2) The regions aren't identical - * 3) Neither region is a subset of the other - */ -static int im_region_overlaps(unsigned long v_addr, unsigned long size, - struct vm_struct *vm) -{ - if (im_region_is_superset(v_addr, size, vm)) - return 0; - - return (v_addr + size > (unsigned long) vm->addr + vm->size && - v_addr < (unsigned long) vm->addr + vm->size) || - (v_addr < (unsigned long) vm->addr && - v_addr + size > (unsigned long) vm->addr); -} - -/* Determine imalloc status of region described by v_addr and size. - * Can return one of the following: - * IM_REGION_UNUSED - Entire region is unallocated in imalloc space. - * IM_REGION_SUBSET - Region is a subset of a region that is already - * allocated in imalloc space. - * vm will be assigned to a ptr to the parent region. - * IM_REGION_EXISTS - Exact region already allocated in imalloc space. - * vm will be assigned to a ptr to the existing imlist - * member. - * IM_REGION_OVERLAPS - Region overlaps an allocated region in imalloc space. - * IM_REGION_SUPERSET - Region is a superset of a region that is already - * allocated in imalloc space. - */ -static int im_region_status(unsigned long v_addr, unsigned long size, - struct vm_struct **vm) -{ - struct vm_struct *tmp; - - for (tmp = imlist; tmp; tmp = tmp->next) - if (v_addr < (unsigned long) tmp->addr + tmp->size) - break; - - *vm = NULL; - if (tmp) { - if (im_region_overlaps(v_addr, size, tmp)) - return IM_REGION_OVERLAP; - - *vm = tmp; - if (im_region_is_subset(v_addr, size, tmp)) { - /* Return with tmp pointing to superset */ - return IM_REGION_SUBSET; - } - if (im_region_is_superset(v_addr, size, tmp)) { - /* Return with tmp pointing to first subset */ - return IM_REGION_SUPERSET; - } - else if (v_addr == (unsigned long) tmp->addr && - size == tmp->size) { - /* Return with tmp pointing to exact region */ - return IM_REGION_EXISTS; - } - } - - return IM_REGION_UNUSED; -} - -static struct vm_struct * split_im_region(unsigned long v_addr, - unsigned long size, struct vm_struct *parent) -{ - struct vm_struct *vm1 = NULL; - struct vm_struct *vm2 = NULL; - struct vm_struct *new_vm = NULL; - - vm1 = kmalloc(sizeof(*vm1), GFP_KERNEL); - if (vm1 == NULL) { - printk(KERN_ERR "%s() out of memory\n", __FUNCTION__); - return NULL; - } - - if (v_addr == (unsigned long) parent->addr) { - /* Use existing parent vm_struct to represent child, allocate - * new one for the remainder of parent range - */ - vm1->size = parent->size - size; - vm1->addr = (void *) (v_addr + size); - vm1->next = parent->next; - - parent->size = size; - parent->next = vm1; - new_vm = parent; - } else if (v_addr + size == (unsigned long) parent->addr + - parent->size) { - /* Allocate new vm_struct to represent child, use existing - * parent one for remainder of parent range - */ - vm1->size = size; - vm1->addr = (void *) v_addr; - vm1->next = parent->next; - new_vm = vm1; - - parent->size -= size; - parent->next = vm1; - } else { - /* Allocate two new vm_structs for the new child and - * uppermost remainder, and use existing parent one for the - * lower remainder of parent range - */ - vm2 = kmalloc(sizeof(*vm2), GFP_KERNEL); - if (vm2 == NULL) { - printk(KERN_ERR "%s() out of memory\n", __FUNCTION__); - kfree(vm1); - return NULL; - } - - vm1->size = size; - vm1->addr = (void *) v_addr; - vm1->next = vm2; - new_vm = vm1; - - vm2->size = ((unsigned long) parent->addr + parent->size) - - (v_addr + size); - vm2->addr = (void *) v_addr + size; - vm2->next = parent->next; - - parent->size = v_addr - (unsigned long) parent->addr; - parent->next = vm1; - } - - return new_vm; -} - -static struct vm_struct * __add_new_im_area(unsigned long req_addr, - unsigned long size) -{ - struct vm_struct **p, *tmp, *area; - - for (p = &imlist; (tmp = *p) ; p = &tmp->next) { - if (req_addr + size <= (unsigned long)tmp->addr) - break; - } - - area = kmalloc(sizeof(*area), GFP_KERNEL); - if (!area) - return NULL; - area->flags = 0; - area->addr = (void *)req_addr; - area->size = size; - area->next = *p; - *p = area; - - return area; -} - -static struct vm_struct * __im_get_area(unsigned long req_addr, - unsigned long size, - int criteria) -{ - struct vm_struct *tmp; - int status; - - status = im_region_status(req_addr, size, &tmp); - if ((criteria & status) == 0) { - return NULL; - } - - switch (status) { - case IM_REGION_UNUSED: - tmp = __add_new_im_area(req_addr, size); - break; - case IM_REGION_SUBSET: - tmp = split_im_region(req_addr, size, tmp); - break; - case IM_REGION_EXISTS: - /* Return requested region */ - break; - case IM_REGION_SUPERSET: - /* Return first existing subset of requested region */ - break; - default: - printk(KERN_ERR "%s() unexpected imalloc region status\n", - __FUNCTION__); - tmp = NULL; - } - - return tmp; -} - -struct vm_struct * im_get_free_area(unsigned long size) -{ - struct vm_struct *area; - unsigned long addr; - - mutex_lock(&imlist_mutex); - if (get_free_im_addr(size, &addr)) { - printk(KERN_ERR "%s() cannot obtain addr for size 0x%lx\n", - __FUNCTION__, size); - area = NULL; - goto next_im_done; - } - - area = __im_get_area(addr, size, IM_REGION_UNUSED); - if (area == NULL) { - printk(KERN_ERR - "%s() cannot obtain area for addr 0x%lx size 0x%lx\n", - __FUNCTION__, addr, size); - } -next_im_done: - mutex_unlock(&imlist_mutex); - return area; -} - -struct vm_struct * im_get_area(unsigned long v_addr, unsigned long size, - int criteria) -{ - struct vm_struct *area; - - mutex_lock(&imlist_mutex); - area = __im_get_area(v_addr, size, criteria); - mutex_unlock(&imlist_mutex); - return area; -} - -void im_free(void * addr) -{ - struct vm_struct **p, *tmp; - - if (!addr) - return; - if ((unsigned long) addr & ~PAGE_MASK) { - printk(KERN_ERR "Trying to %s bad address (%p)\n", __FUNCTION__, addr); - return; - } - mutex_lock(&imlist_mutex); - for (p = &imlist ; (tmp = *p) ; p = &tmp->next) { - if (tmp->addr == addr) { - *p = tmp->next; - unmap_vm_area(tmp); - kfree(tmp); - mutex_unlock(&imlist_mutex); - return; - } - } - mutex_unlock(&imlist_mutex); - printk(KERN_ERR "Trying to %s nonexistent area (%p)\n", __FUNCTION__, - addr); -} diff --git a/arch/powerpc/mm/init_32.c b/arch/powerpc/mm/init_32.c index 5fce6cc..e1f5ded 100644 --- a/arch/powerpc/mm/init_32.c +++ b/arch/powerpc/mm/init_32.c @@ -5,7 +5,6 @@ * Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au) * and Cort Dougan (PReP) (cort@cs.nmt.edu) * Copyright (C) 1996 Paul Mackerras - * Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk). * PPC44x/36-bit changes by Matt Porter (mporter@mvista.com) * * Derived from "arch/i386/mm/init.c" diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c index 7312a26..1d6edf7 100644 --- a/arch/powerpc/mm/init_64.c +++ b/arch/powerpc/mm/init_64.c @@ -5,7 +5,6 @@ * Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au) * and Cort Dougan (PReP) (cort@cs.nmt.edu) * Copyright (C) 1996 Paul Mackerras - * Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk). * * Derived from "arch/i386/mm/init.c" * Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index 0266a94..f0e7eed 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -5,7 +5,6 @@ * Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au) * and Cort Dougan (PReP) (cort@cs.nmt.edu) * Copyright (C) 1996 Paul Mackerras - * Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk). * PPC44x/36-bit changes by Matt Porter (mporter@mvista.com) * * Derived from "arch/i386/mm/init.c" @@ -129,8 +128,6 @@ int __devinit arch_add_memory(int nid, u64 start, u64 size) zone = pgdata->node_zones; return __add_pages(zone, start_pfn, nr_pages); - - return 0; } /* diff --git a/arch/powerpc/mm/mmu_context_32.c b/arch/powerpc/mm/mmu_context_32.c index 792086b..cc32ba4 100644 --- a/arch/powerpc/mm/mmu_context_32.c +++ b/arch/powerpc/mm/mmu_context_32.c @@ -11,7 +11,6 @@ * Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au) * and Cort Dougan (PReP) (cort@cs.nmt.edu) * Copyright (C) 1996 Paul Mackerras - * Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk). * * Derived from "arch/i386/mm/init.c" * Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds diff --git a/arch/powerpc/mm/mmu_decl.h b/arch/powerpc/mm/mmu_decl.h index 2558c34..c94a64f 100644 --- a/arch/powerpc/mm/mmu_decl.h +++ b/arch/powerpc/mm/mmu_decl.h @@ -8,7 +8,6 @@ * Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au) * and Cort Dougan (PReP) (cort@cs.nmt.edu) * Copyright (C) 1996 Paul Mackerras - * Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk). * * Derived from "arch/i386/mm/init.c" * Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds @@ -40,8 +39,8 @@ extern int __map_without_bats; extern unsigned long ioremap_base; extern unsigned int rtas_data, rtas_size; -struct _PTE; -extern struct _PTE *Hash, *Hash_end; +struct hash_pte; +extern struct hash_pte *Hash, *Hash_end; extern unsigned long Hash_size, Hash_mask; extern unsigned int num_tlbcam_entries; @@ -90,16 +89,4 @@ static inline void flush_HPTE(unsigned context, unsigned long va, else _tlbie(va); } -#else /* CONFIG_PPC64 */ -/* imalloc region types */ -#define IM_REGION_UNUSED 0x1 -#define IM_REGION_SUBSET 0x2 -#define IM_REGION_EXISTS 0x4 -#define IM_REGION_OVERLAP 0x8 -#define IM_REGION_SUPERSET 0x10 - -extern struct vm_struct * im_get_free_area(unsigned long size); -extern struct vm_struct * im_get_area(unsigned long v_addr, unsigned long size, - int region_type); -extern void im_free(void *addr); #endif diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c index f6ae1a5..6448872 100644 --- a/arch/powerpc/mm/pgtable_32.c +++ b/arch/powerpc/mm/pgtable_32.c @@ -8,7 +8,6 @@ * Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au) * and Cort Dougan (PReP) (cort@cs.nmt.edu) * Copyright (C) 1996 Paul Mackerras - * Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk). * * Derived from "arch/i386/mm/init.c" * Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds @@ -37,7 +36,6 @@ unsigned long ioremap_base; unsigned long ioremap_bot; EXPORT_SYMBOL(ioremap_bot); /* aka VMALLOC_END */ -int io_bat_index; #if defined(CONFIG_6xx) || defined(CONFIG_POWER3) #define HAVE_BATS 1 @@ -300,51 +298,6 @@ void __init mapin_ram(void) } } -/* is x a power of 4? */ -#define is_power_of_4(x) is_power_of_2(x) && (ffs(x) & 1) - -/* - * Set up a mapping for a block of I/O. - * virt, phys, size must all be page-aligned. - * This should only be called before ioremap is called. - */ -void __init io_block_mapping(unsigned long virt, phys_addr_t phys, - unsigned int size, int flags) -{ - int i; - - if (virt > KERNELBASE && virt < ioremap_bot) - ioremap_bot = ioremap_base = virt; - -#ifdef HAVE_BATS - /* - * Use a BAT for this if possible... - */ - if (io_bat_index < 2 && is_power_of_2(size) - && (virt & (size - 1)) == 0 && (phys & (size - 1)) == 0) { - setbat(io_bat_index, virt, phys, size, flags); - ++io_bat_index; - return; - } -#endif /* HAVE_BATS */ - -#ifdef HAVE_TLBCAM - /* - * Use a CAM for this if possible... - */ - if (tlbcam_index < num_tlbcam_entries && is_power_of_4(size) - && (virt & (size - 1)) == 0 && (phys & (size - 1)) == 0) { - settlbcam(tlbcam_index, virt, phys, size, flags, 0); - ++tlbcam_index; - return; - } -#endif /* HAVE_TLBCAM */ - - /* No BATs available, put it in the page tables. */ - for (i = 0; i < size; i += PAGE_SIZE) - map_page(virt + i, phys + i, flags); -} - /* Scan the real Linux page tables and return a PTE pointer for * a virtual address in a context. * Returns true (1) if PTE was found, zero otherwise. The pointer to @@ -379,82 +332,6 @@ get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep, pmd_t **pmdp) return(retval); } -/* Find physical address for this virtual address. Normally used by - * I/O functions, but anyone can call it. - */ -unsigned long iopa(unsigned long addr) -{ - unsigned long pa; - - /* I don't know why this won't work on PMacs or CHRP. It - * appears there is some bug, or there is some implicit - * mapping done not properly represented by BATs or in page - * tables.......I am actively working on resolving this, but - * can't hold up other stuff. -- Dan - */ - pte_t *pte; - struct mm_struct *mm; - - /* Check the BATs */ - pa = v_mapped_by_bats(addr); - if (pa) - return pa; - - /* Allow mapping of user addresses (within the thread) - * for DMA if necessary. - */ - if (addr < TASK_SIZE) - mm = current->mm; - else - mm = &init_mm; - - pa = 0; - if (get_pteptr(mm, addr, &pte, NULL)) { - pa = (pte_val(*pte) & PAGE_MASK) | (addr & ~PAGE_MASK); - pte_unmap(pte); - } - - return(pa); -} - -/* This is will find the virtual address for a physical one.... - * Swiped from APUS, could be dangerous :-). - * This is only a placeholder until I really find a way to make this - * work. -- Dan - */ -unsigned long -mm_ptov (unsigned long paddr) -{ - unsigned long ret; -#if 0 - if (paddr < 16*1024*1024) - ret = ZTWO_VADDR(paddr); - else { - int i; - - for (i = 0; i < kmap_chunk_count;){ - unsigned long phys = kmap_chunks[i++]; - unsigned long size = kmap_chunks[i++]; - unsigned long virt = kmap_chunks[i++]; - if (paddr >= phys - && paddr < (phys + size)){ - ret = virt + paddr - phys; - goto exit; - } - } - - ret = (unsigned long) __va(paddr); - } -exit: -#ifdef DEBUGPV - printk ("PTOV(%lx)=%lx\n", paddr, ret); -#endif -#else - ret = (unsigned long)paddr + KERNELBASE; -#endif - return ret; -} - #ifdef CONFIG_DEBUG_PAGEALLOC static int __change_page_attr(struct page *page, pgprot_t prot) diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c index ad6e135..3dfd10d 100644 --- a/arch/powerpc/mm/pgtable_64.c +++ b/arch/powerpc/mm/pgtable_64.c @@ -7,7 +7,6 @@ * Modifications by Paul Mackerras (PowerMac) (paulus@samba.org) * and Cort Dougan (PReP) (cort@cs.nmt.edu) * Copyright (C) 1996 Paul Mackerras - * Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk). * * Derived from "arch/i386/mm/init.c" * Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds @@ -34,41 +33,27 @@ #include <linux/stddef.h> #include <linux/vmalloc.h> #include <linux/init.h> -#include <linux/delay.h> -#include <linux/bootmem.h> -#include <linux/highmem.h> -#include <linux/idr.h> -#include <linux/nodemask.h> -#include <linux/module.h> #include <asm/pgalloc.h> #include <asm/page.h> #include <asm/prom.h> -#include <asm/lmb.h> -#include <asm/rtas.h> #include <asm/io.h> #include <asm/mmu_context.h> #include <asm/pgtable.h> #include <asm/mmu.h> -#include <asm/uaccess.h> #include <asm/smp.h> #include <asm/machdep.h> #include <asm/tlb.h> -#include <asm/eeh.h> #include <asm/processor.h> -#include <asm/mmzone.h> #include <asm/cputable.h> #include <asm/sections.h> #include <asm/system.h> -#include <asm/iommu.h> #include <asm/abs_addr.h> -#include <asm/vdso.h> #include <asm/firmware.h> #include "mmu_decl.h" -unsigned long ioremap_bot = IMALLOC_BASE; -static unsigned long phbs_io_bot = PHBS_IO_BASE; +unsigned long ioremap_bot = IOREMAP_BASE; /* * map_io_page currently only called by __ioremap @@ -102,8 +87,8 @@ static int map_io_page(unsigned long ea, unsigned long pa, int flags) * entry in the hardware page table. * */ - if (htab_bolt_mapping(ea, ea + PAGE_SIZE, pa, flags, - mmu_io_psize)) { + if (htab_bolt_mapping(ea, (unsigned long)ea + PAGE_SIZE, + pa, flags, mmu_io_psize)) { printk(KERN_ERR "Failed to do bolted mapping IO " "memory at %016lx !\n", pa); return -ENOMEM; @@ -113,8 +98,11 @@ static int map_io_page(unsigned long ea, unsigned long pa, int flags) } -static void __iomem * __ioremap_com(phys_addr_t addr, unsigned long pa, - unsigned long ea, unsigned long size, +/** + * __ioremap_at - Low level function to establish the page tables + * for an IO mapping + */ +void __iomem * __ioremap_at(phys_addr_t pa, void *ea, unsigned long size, unsigned long flags) { unsigned long i; @@ -122,17 +110,35 @@ static void __iomem * __ioremap_com(phys_addr_t addr, unsigned long pa, if ((flags & _PAGE_PRESENT) == 0) flags |= pgprot_val(PAGE_KERNEL); + WARN_ON(pa & ~PAGE_MASK); + WARN_ON(((unsigned long)ea) & ~PAGE_MASK); + WARN_ON(size & ~PAGE_MASK); + for (i = 0; i < size; i += PAGE_SIZE) - if (map_io_page(ea+i, pa+i, flags)) + if (map_io_page((unsigned long)ea+i, pa+i, flags)) return NULL; - return (void __iomem *) (ea + (addr & ~PAGE_MASK)); + return (void __iomem *)ea; +} + +/** + * __iounmap_from - Low level function to tear down the page tables + * for an IO mapping. This is used for mappings that + * are manipulated manually, like partial unmapping of + * PCI IOs or ISA space. + */ +void __iounmap_at(void *ea, unsigned long size) +{ + WARN_ON(((unsigned long)ea) & ~PAGE_MASK); + WARN_ON(size & ~PAGE_MASK); + + unmap_kernel_range((unsigned long)ea, size); } void __iomem * __ioremap(phys_addr_t addr, unsigned long size, unsigned long flags) { - unsigned long pa, ea; + phys_addr_t paligned; void __iomem *ret; /* @@ -144,27 +150,30 @@ void __iomem * __ioremap(phys_addr_t addr, unsigned long size, * IMALLOC_END * */ - pa = addr & PAGE_MASK; - size = PAGE_ALIGN(addr + size) - pa; + paligned = addr & PAGE_MASK; + size = PAGE_ALIGN(addr + size) - paligned; - if ((size == 0) || (pa == 0)) + if ((size == 0) || (paligned == 0)) return NULL; if (mem_init_done) { struct vm_struct *area; - area = im_get_free_area(size); + + area = __get_vm_area(size, VM_IOREMAP, + ioremap_bot, IOREMAP_END); if (area == NULL) return NULL; - ea = (unsigned long)(area->addr); - ret = __ioremap_com(addr, pa, ea, size, flags); + ret = __ioremap_at(paligned, area->addr, size, flags); if (!ret) - im_free(area->addr); + vunmap(area->addr); } else { - ea = ioremap_bot; - ret = __ioremap_com(addr, pa, ea, size, flags); + ret = __ioremap_at(paligned, (void *)ioremap_bot, size, flags); if (ret) ioremap_bot += size; } + + if (ret) + ret += addr & ~PAGE_MASK; return ret; } @@ -187,62 +196,9 @@ void __iomem * ioremap_flags(phys_addr_t addr, unsigned long size, } -#define IS_PAGE_ALIGNED(_val) ((_val) == ((_val) & PAGE_MASK)) - -int __ioremap_explicit(phys_addr_t pa, unsigned long ea, - unsigned long size, unsigned long flags) -{ - struct vm_struct *area; - void __iomem *ret; - - /* For now, require page-aligned values for pa, ea, and size */ - if (!IS_PAGE_ALIGNED(pa) || !IS_PAGE_ALIGNED(ea) || - !IS_PAGE_ALIGNED(size)) { - printk(KERN_ERR "unaligned value in %s\n", __FUNCTION__); - return 1; - } - - if (!mem_init_done) { - /* Two things to consider in this case: - * 1) No records will be kept (imalloc, etc) that the region - * has been remapped - * 2) It won't be easy to iounmap() the region later (because - * of 1) - */ - ; - } else { - area = im_get_area(ea, size, - IM_REGION_UNUSED|IM_REGION_SUBSET|IM_REGION_EXISTS); - if (area == NULL) { - /* Expected when PHB-dlpar is in play */ - return 1; - } - if (ea != (unsigned long) area->addr) { - printk(KERN_ERR "unexpected addr return from " - "im_get_area\n"); - return 1; - } - } - - ret = __ioremap_com(pa, pa, ea, size, flags); - if (ret == NULL) { - printk(KERN_ERR "ioremap_explicit() allocation failure !\n"); - return 1; - } - if (ret != (void *) ea) { - printk(KERN_ERR "__ioremap_com() returned unexpected addr\n"); - return 1; - } - - return 0; -} - /* * Unmap an IO region and remove it from imalloc'd list. * Access to IO memory should be serialized by driver. - * This code is modeled after vmalloc code - unmap_vm_area() - * - * XXX what about calls before mem_init_done (ie python_countermeasures()) */ void __iounmap(volatile void __iomem *token) { @@ -251,9 +207,14 @@ void __iounmap(volatile void __iomem *token) if (!mem_init_done) return; - addr = (void *) ((unsigned long __force) token & PAGE_MASK); - - im_free(addr); + addr = (void *) ((unsigned long __force) + PCI_FIX_ADDR(token) & PAGE_MASK); + if ((unsigned long)addr < ioremap_bot) { + printk(KERN_WARNING "Attempt to iounmap early bolted mapping" + " at 0x%p\n", addr); + return; + } + vunmap(addr); } void iounmap(volatile void __iomem *token) @@ -264,77 +225,8 @@ void iounmap(volatile void __iomem *token) __iounmap(token); } -static int iounmap_subset_regions(unsigned long addr, unsigned long size) -{ - struct vm_struct *area; - - /* Check whether subsets of this region exist */ - area = im_get_area(addr, size, IM_REGION_SUPERSET); - if (area == NULL) - return 1; - - while (area) { - iounmap((void __iomem *) area->addr); - area = im_get_area(addr, size, - IM_REGION_SUPERSET); - } - - return 0; -} - -int __iounmap_explicit(volatile void __iomem *start, unsigned long size) -{ - struct vm_struct *area; - unsigned long addr; - int rc; - - addr = (unsigned long __force) start & PAGE_MASK; - - /* Verify that the region either exists or is a subset of an existing - * region. In the latter case, split the parent region to create - * the exact region - */ - area = im_get_area(addr, size, - IM_REGION_EXISTS | IM_REGION_SUBSET); - if (area == NULL) { - /* Determine whether subset regions exist. If so, unmap */ - rc = iounmap_subset_regions(addr, size); - if (rc) { - printk(KERN_ERR - "%s() cannot unmap nonexistent range 0x%lx\n", - __FUNCTION__, addr); - return 1; - } - } else { - iounmap((void __iomem *) area->addr); - } - /* - * FIXME! This can't be right: - iounmap(area->addr); - * Maybe it should be "iounmap(area);" - */ - return 0; -} - EXPORT_SYMBOL(ioremap); EXPORT_SYMBOL(ioremap_flags); EXPORT_SYMBOL(__ioremap); EXPORT_SYMBOL(iounmap); EXPORT_SYMBOL(__iounmap); - -static DEFINE_SPINLOCK(phb_io_lock); - -void __iomem * reserve_phb_iospace(unsigned long size) -{ - void __iomem *virt_addr; - - if (phbs_io_bot >= IMALLOC_BASE) - panic("reserve_phb_iospace(): phb io space overflow\n"); - - spin_lock(&phb_io_lock); - virt_addr = (void __iomem *) phbs_io_bot; - phbs_io_bot += size; - spin_unlock(&phb_io_lock); - - return virt_addr; -} diff --git a/arch/powerpc/mm/ppc_mmu_32.c b/arch/powerpc/mm/ppc_mmu_32.c index ec1421a..5c45d47 100644 --- a/arch/powerpc/mm/ppc_mmu_32.c +++ b/arch/powerpc/mm/ppc_mmu_32.c @@ -11,7 +11,6 @@ * Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au) * and Cort Dougan (PReP) (cort@cs.nmt.edu) * Copyright (C) 1996 Paul Mackerras - * Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk). * * Derived from "arch/i386/mm/init.c" * Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds @@ -35,12 +34,12 @@ #include "mmu_decl.h" -PTE *Hash, *Hash_end; +struct hash_pte *Hash, *Hash_end; unsigned long Hash_size, Hash_mask; unsigned long _SDR1; union ubat { /* BAT register values to be loaded */ - BAT bat; + struct ppc_bat bat; u32 word[2]; } BATS[8][2]; /* 8 pairs of IBAT, DBAT */ @@ -245,7 +244,7 @@ void __init MMU_init_hw(void) cacheable_memzero(Hash, Hash_size); _SDR1 = __pa(Hash) | SDR1_LOW_BITS; - Hash_end = (PTE *) ((unsigned long)Hash + Hash_size); + Hash_end = (struct hash_pte *) ((unsigned long)Hash + Hash_size); printk("Total memory = %ldMB; using %ldkB for hash table (at %p)\n", total_memory >> 20, Hash_size >> 10, Hash); diff --git a/arch/powerpc/mm/stab.c b/arch/powerpc/mm/stab.c index 132c6bc..28492bb 100644 --- a/arch/powerpc/mm/stab.c +++ b/arch/powerpc/mm/stab.c @@ -55,7 +55,7 @@ static int make_ste(unsigned long stab, unsigned long esid, unsigned long vsid) for (entry = 0; entry < 8; entry++, ste++) { if (!(ste->esid_data & STE_ESID_V)) { ste->vsid_data = vsid_data; - asm volatile("eieio":::"memory"); + eieio(); ste->esid_data = esid_data; return (global_entry | entry); } @@ -101,7 +101,7 @@ static int make_ste(unsigned long stab, unsigned long esid, unsigned long vsid) asm volatile("sync" : : : "memory"); /* Order update */ castout_ste->vsid_data = vsid_data; - asm volatile("eieio" : : : "memory"); /* Order update */ + eieio(); /* Order update */ castout_ste->esid_data = esid_data; asm volatile("slbie %0" : : "r" (old_esid << SID_SHIFT)); diff --git a/arch/powerpc/mm/tlb_32.c b/arch/powerpc/mm/tlb_32.c index 6a69417..06c7e77 100644 --- a/arch/powerpc/mm/tlb_32.c +++ b/arch/powerpc/mm/tlb_32.c @@ -11,7 +11,6 @@ * Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au) * and Cort Dougan (PReP) (cort@cs.nmt.edu) * Copyright (C) 1996 Paul Mackerras - * Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk). * * Derived from "arch/i386/mm/init.c" * Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds diff --git a/arch/powerpc/mm/tlb_64.c b/arch/powerpc/mm/tlb_64.c index 2bfc4d7..cbd34fc 100644 --- a/arch/powerpc/mm/tlb_64.c +++ b/arch/powerpc/mm/tlb_64.c @@ -8,7 +8,6 @@ * Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au) * and Cort Dougan (PReP) (cort@cs.nmt.edu) * Copyright (C) 1996 Paul Mackerras - * Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk). * * Derived from "arch/i386/mm/init.c" * Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds @@ -239,3 +238,59 @@ void pte_free_finish(void) pte_free_submit(*batchp); *batchp = NULL; } + +/** + * __flush_hash_table_range - Flush all HPTEs for a given address range + * from the hash table (and the TLB). But keeps + * the linux PTEs intact. + * + * @mm : mm_struct of the target address space (generally init_mm) + * @start : starting address + * @end : ending address (not included in the flush) + * + * This function is mostly to be used by some IO hotplug code in order + * to remove all hash entries from a given address range used to map IO + * space on a removed PCI-PCI bidge without tearing down the full mapping + * since 64K pages may overlap with other bridges when using 64K pages + * with 4K HW pages on IO space. + * + * Because of that usage pattern, it's only available with CONFIG_HOTPLUG + * and is implemented for small size rather than speed. + */ +#ifdef CONFIG_HOTPLUG + +void __flush_hash_table_range(struct mm_struct *mm, unsigned long start, + unsigned long end) +{ + unsigned long flags; + + start = _ALIGN_DOWN(start, PAGE_SIZE); + end = _ALIGN_UP(end, PAGE_SIZE); + + BUG_ON(!mm->pgd); + + /* Note: Normally, we should only ever use a batch within a + * PTE locked section. This violates the rule, but will work + * since we don't actually modify the PTEs, we just flush the + * hash while leaving the PTEs intact (including their reference + * to being hashed). This is not the most performance oriented + * way to do things but is fine for our needs here. + */ + local_irq_save(flags); + arch_enter_lazy_mmu_mode(); + for (; start < end; start += PAGE_SIZE) { + pte_t *ptep = find_linux_pte(mm->pgd, start); + unsigned long pte; + + if (ptep == NULL) + continue; + pte = pte_val(*ptep); + if (!(pte & _PAGE_HASHPTE)) + continue; + hpte_need_flush(mm, start, ptep, pte, 0); + } + arch_leave_lazy_mmu_mode(); + local_irq_restore(flags); +} + +#endif /* CONFIG_HOTPLUG */ diff --git a/arch/powerpc/oprofile/op_model_power4.c b/arch/powerpc/oprofile/op_model_power4.c index fe597a1..a7c206b 100644 --- a/arch/powerpc/oprofile/op_model_power4.c +++ b/arch/powerpc/oprofile/op_model_power4.c @@ -1,5 +1,7 @@ /* * Copyright (C) 2004 Anton Blanchard <anton@au.ibm.com>, IBM + * Added mmcra[slot] support: + * Copyright (C) 2006-2007 Will Schmidt <willschm@us.ibm.com>, IBM * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -181,11 +183,17 @@ static void __attribute_used__ kernel_unknown_bucket(void) * On GQ and newer the MMCRA stores the HV and PR bits at the time * the SIAR was sampled. We use that to work out if the SIAR was sampled in * the hypervisor, our exception vectors or RTAS. + * If the MMCRA_SAMPLE_ENABLE bit is set, we can use the MMCRA[slot] bits + * to more accurately identify the address of the sampled instruction. The + * mmcra[slot] bits represent the slot number of a sampled instruction + * within an instruction group. The slot will contain a value between 1 + * and 5 if MMCRA_SAMPLE_ENABLE is set, otherwise 0. */ static unsigned long get_pc(struct pt_regs *regs) { unsigned long pc = mfspr(SPRN_SIAR); unsigned long mmcra; + unsigned long slot; /* Cant do much about it */ if (!cur_cpu_spec->oprofile_mmcra_sihv) @@ -193,6 +201,12 @@ static unsigned long get_pc(struct pt_regs *regs) mmcra = mfspr(SPRN_MMCRA); + if (mmcra & MMCRA_SAMPLE_ENABLE) { + slot = ((mmcra & MMCRA_SLOT) >> MMCRA_SLOT_SHIFT); + if (slot > 1) + pc += 4 * (slot - 1); + } + /* Were we in the hypervisor? */ if (firmware_has_feature(FW_FEATURE_LPAR) && (mmcra & cur_cpu_spec->oprofile_mmcra_sihv)) diff --git a/arch/powerpc/platforms/52xx/efika.c b/arch/powerpc/platforms/52xx/efika.c index f591a9f..4be6e7a 100644 --- a/arch/powerpc/platforms/52xx/efika.c +++ b/arch/powerpc/platforms/52xx/efika.c @@ -54,7 +54,7 @@ static int rtas_read_config(struct pci_bus *bus, unsigned int devfn, int offset, struct pci_controller *hose = bus->sysdata; unsigned long addr = (offset & 0xff) | ((devfn & 0xff) << 8) | (((bus->number - hose->first_busno) & 0xff) << 16) - | (hose->index << 24); + | (hose->global_number << 24); int ret = -1; int rval; @@ -69,7 +69,7 @@ static int rtas_write_config(struct pci_bus *bus, unsigned int devfn, struct pci_controller *hose = bus->sysdata; unsigned long addr = (offset & 0xff) | ((devfn & 0xff) << 8) | (((bus->number - hose->first_busno) & 0xff) << 16) - | (hose->index << 24); + | (hose->global_number << 24); int rval; rval = rtas_call(rtas_token("write-pci-config"), 3, 1, NULL, @@ -83,7 +83,7 @@ static struct pci_ops rtas_pci_ops = { }; -void __init efika_pcisetup(void) +static void __init efika_pcisetup(void) { const int *bus_range; int len; @@ -128,7 +128,7 @@ void __init efika_pcisetup(void) printk(" controlled by %s\n", pcictrl->full_name); printk("\n"); - hose = pcibios_alloc_controller(); + hose = pcibios_alloc_controller(of_node_get(pcictrl)); if (!hose) { printk(KERN_WARNING EFIKA_PLATFORM_NAME ": Can't allocate PCI controller structure for %s\n", @@ -136,7 +136,6 @@ void __init efika_pcisetup(void) return; } - hose->arch_data = of_node_get(pcictrl); hose->first_busno = bus_range[0]; hose->last_busno = bus_range[1]; hose->ops = &rtas_pci_ops; @@ -145,7 +144,7 @@ void __init efika_pcisetup(void) } #else -void __init efika_pcisetup(void) +static void __init efika_pcisetup(void) {} #endif @@ -252,6 +251,8 @@ define_machine(efika) .progress = rtas_progress, .get_boot_time = rtas_get_boot_time, .calibrate_decr = generic_calibrate_decr, +#ifdef CONFIG_PCI .phys_mem_access_prot = pci_phys_mem_access_prot, +#endif }; diff --git a/arch/powerpc/platforms/52xx/lite5200.c b/arch/powerpc/platforms/52xx/lite5200.c index 1cfc00d..5c46e89 100644 --- a/arch/powerpc/platforms/52xx/lite5200.c +++ b/arch/powerpc/platforms/52xx/lite5200.c @@ -156,7 +156,7 @@ static void __init lite5200_setup_arch(void) } -void lite5200_show_cpuinfo(struct seq_file *m) +static void lite5200_show_cpuinfo(struct seq_file *m) { struct device_node* np = of_find_all_nodes(NULL); const char *model = NULL; diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pci.c b/arch/powerpc/platforms/52xx/mpc52xx_pci.c index 34d34a2..4c6c82a 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_pci.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_pci.c @@ -112,18 +112,18 @@ mpc52xx_pci_read_config(struct pci_bus *bus, unsigned int devfn, u32 value; if (ppc_md.pci_exclude_device) - if (ppc_md.pci_exclude_device(bus->number, devfn)) + if (ppc_md.pci_exclude_device(hose, bus->number, devfn)) return PCIBIOS_DEVICE_NOT_FOUND; out_be32(hose->cfg_addr, (1 << 31) | - ((bus->number - hose->bus_offset) << 16) | + (bus->number << 16) | (devfn << 8) | (offset & 0xfc)); mb(); #if defined(CONFIG_PPC_MPC5200_BUGFIX) - if (bus->number != hose->bus_offset) { + if (bus->number) { /* workaround for the bug 435 of the MPC5200 (L25R); * Don't do 32 bits config access during type-1 cycles */ switch (len) { @@ -169,18 +169,18 @@ mpc52xx_pci_write_config(struct pci_bus *bus, unsigned int devfn, u32 value, mask; if (ppc_md.pci_exclude_device) - if (ppc_md.pci_exclude_device(bus->number, devfn)) + if (ppc_md.pci_exclude_device(hose, bus->number, devfn)) return PCIBIOS_DEVICE_NOT_FOUND; out_be32(hose->cfg_addr, (1 << 31) | - ((bus->number - hose->bus_offset) << 16) | + (bus->number << 16) | (devfn << 8) | (offset & 0xfc)); mb(); #if defined(CONFIG_PPC_MPC5200_BUGFIX) - if (bus->number != hose->bus_offset) { + if (bus->number) { /* workaround for the bug 435 of the MPC5200 (L25R); * Don't do 32 bits config access during type-1 cycles */ switch (len) { @@ -385,17 +385,13 @@ mpc52xx_add_bridge(struct device_node *node) * tree are needed to configure the 52xx PCI controller. Rather * than parse the tree here, let pci_process_bridge_OF_ranges() * do it for us and extract the values after the fact */ - hose = pcibios_alloc_controller(); + hose = pcibios_alloc_controller(node); if (!hose) return -ENOMEM; - hose->arch_data = node; - hose->set_cfg_type = 1; - hose->first_busno = bus_range ? bus_range[0] : 0; hose->last_busno = bus_range ? bus_range[1] : 0xff; - hose->bus_offset = 0; hose->ops = &mpc52xx_pci_ops; pci_regs = ioremap(rsrc.start, rsrc.end - rsrc.start + 1); diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pm.c b/arch/powerpc/platforms/52xx/mpc52xx_pm.c index fd40044..ee2e763 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_pm.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_pm.c @@ -9,8 +9,8 @@ /* these are defined in mpc52xx_sleep.S, and only used here */ -extern void mpc52xx_deep_sleep(void *sram, void *sdram_regs, - struct mpc52xx_cdm *, struct mpc52xx_intr *); +extern void mpc52xx_deep_sleep(void __iomem *sram, void __iomem *sdram_regs, + struct mpc52xx_cdm __iomem *, struct mpc52xx_intr __iomem*); extern void mpc52xx_ds_sram(void); extern const long mpc52xx_ds_sram_size; extern void mpc52xx_ds_cached(void); @@ -21,7 +21,7 @@ static void __iomem *sdram; static struct mpc52xx_cdm __iomem *cdm; static struct mpc52xx_intr __iomem *intr; static struct mpc52xx_gpio_wkup __iomem *gpiow; -static void *sram; +static void __iomem *sram; static int sram_size; struct mpc52xx_suspend mpc52xx_suspend; @@ -100,7 +100,7 @@ int mpc52xx_pm_enter(suspend_state_t state) u32 clk_enables; u32 msr, hid0; u32 intr_main_mask; - void __iomem * irq_0x500 = (void *)CONFIG_KERNEL_START + 0x500; + void __iomem * irq_0x500 = (void __iomem *)CONFIG_KERNEL_START + 0x500; unsigned long irq_0x500_stop = (unsigned long)irq_0x500 + mpc52xx_ds_cached_size; char saved_0x500[mpc52xx_ds_cached_size]; diff --git a/arch/powerpc/platforms/82xx/Kconfig b/arch/powerpc/platforms/82xx/Kconfig index de7fce9..89fde43 100644 --- a/arch/powerpc/platforms/82xx/Kconfig +++ b/arch/powerpc/platforms/82xx/Kconfig @@ -1,5 +1,5 @@ choice - prompt "Machine Type" + prompt "82xx Board Type" depends on PPC_82xx default MPC82xx_ADS diff --git a/arch/powerpc/platforms/82xx/mpc82xx_ads.c b/arch/powerpc/platforms/82xx/mpc82xx_ads.c index 47cb09f..da20832 100644 --- a/arch/powerpc/platforms/82xx/mpc82xx_ads.c +++ b/arch/powerpc/platforms/82xx/mpc82xx_ads.c @@ -49,7 +49,7 @@ #include <linux/fs_enet_pd.h> #include <sysdev/fsl_soc.h> -#include <../sysdev/cpm2_pic.h> +#include <sysdev/cpm2_pic.h> #include "pq2ads.h" @@ -507,7 +507,8 @@ void m82xx_pci_init_irq(void) return; } -static int m82xx_pci_exclude_device(u_char bus, u_char devfn) +static int m82xx_pci_exclude_device(struct pci_controller *hose, + u_char bus, u_char devfn) { if (bus == 0 && PCI_SLOT(devfn) == 0) return PCIBIOS_DEVICE_NOT_FOUND; @@ -515,7 +516,7 @@ static int m82xx_pci_exclude_device(u_char bus, u_char devfn) return PCIBIOS_SUCCESSFUL; } -void __init add_bridge(struct device_node *np) +static void __init mpc82xx_add_bridge(struct device_node *np) { int len; struct pci_controller *hose; @@ -542,19 +543,13 @@ void __init add_bridge(struct device_node *np) pci_assign_all_buses = 1; - hose = pcibios_alloc_controller(); + hose = pcibios_alloc_controller(np); if (!hose) return; - hose->arch_data = np; - hose->set_cfg_type = 1; - hose->first_busno = bus_range ? bus_range[0] : 0; hose->last_busno = bus_range ? bus_range[1] : 0xff; - hose->bus_offset = 0; - - hose->set_cfg_type = 1; setup_indirect_pci(hose, r.start + offsetof(pci_cpm2_t, pci_cfg_addr), @@ -584,7 +579,7 @@ static void __init mpc82xx_ads_setup_arch(void) #ifdef CONFIG_PCI ppc_md.pci_exclude_device = m82xx_pci_exclude_device; for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) - add_bridge(np); + mpc82xx_add_bridge(np); of_node_put(np); #endif diff --git a/arch/powerpc/platforms/83xx/Kconfig b/arch/powerpc/platforms/83xx/Kconfig index 19cafdf..ec305f1 100644 --- a/arch/powerpc/platforms/83xx/Kconfig +++ b/arch/powerpc/platforms/83xx/Kconfig @@ -1,5 +1,5 @@ choice - prompt "Machine Type" + prompt "83xx Board Type" depends on PPC_83xx default MPC834x_MDS diff --git a/arch/powerpc/platforms/83xx/Makefile b/arch/powerpc/platforms/83xx/Makefile index 31a91b5..5a98f88 100644 --- a/arch/powerpc/platforms/83xx/Makefile +++ b/arch/powerpc/platforms/83xx/Makefile @@ -1,7 +1,7 @@ # # Makefile for the PowerPC 83xx linux kernel. # -obj-y := misc.o +obj-y := misc.o usb.o obj-$(CONFIG_PCI) += pci.o obj-$(CONFIG_MPC8313_RDB) += mpc8313_rdb.o obj-$(CONFIG_MPC832x_RDB) += mpc832x_rdb.o diff --git a/arch/powerpc/platforms/83xx/mpc8313_rdb.c b/arch/powerpc/platforms/83xx/mpc8313_rdb.c index 96970ac..3edfe17 100644 --- a/arch/powerpc/platforms/83xx/mpc8313_rdb.c +++ b/arch/powerpc/platforms/83xx/mpc8313_rdb.c @@ -28,11 +28,6 @@ #define DBG(fmt...) #endif -#ifndef CONFIG_PCI -unsigned long isa_io_base = 0; -unsigned long isa_mem_base = 0; -#endif - /* ************************************************************************ * * Setup the architecture @@ -49,10 +44,11 @@ static void __init mpc8313_rdb_setup_arch(void) #ifdef CONFIG_PCI for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) - add_bridge(np); + mpc83xx_add_bridge(np); ppc_md.pci_exclude_device = mpc83xx_exclude_device; #endif + mpc831x_usb_cfg(); } void __init mpc8313_rdb_init_IRQ(void) diff --git a/arch/powerpc/platforms/83xx/mpc832x_mds.c b/arch/powerpc/platforms/83xx/mpc832x_mds.c index 94843ed..b39cb52 100644 --- a/arch/powerpc/platforms/83xx/mpc832x_mds.c +++ b/arch/powerpc/platforms/83xx/mpc832x_mds.c @@ -49,11 +49,6 @@ #define DBG(fmt...) #endif -#ifndef CONFIG_PCI -unsigned long isa_io_base = 0; -unsigned long isa_mem_base = 0; -#endif - static u8 *bcsr_regs = NULL; /* ************************************************************************ @@ -80,7 +75,7 @@ static void __init mpc832x_sys_setup_arch(void) #ifdef CONFIG_PCI for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) - add_bridge(np); + mpc83xx_add_bridge(np); ppc_md.pci_exclude_device = mpc83xx_exclude_device; #endif diff --git a/arch/powerpc/platforms/83xx/mpc832x_rdb.c b/arch/powerpc/platforms/83xx/mpc832x_rdb.c index 3db68b7..b2b28a4 100644 --- a/arch/powerpc/platforms/83xx/mpc832x_rdb.c +++ b/arch/powerpc/platforms/83xx/mpc832x_rdb.c @@ -32,11 +32,6 @@ #define DBG(fmt...) #endif -#ifndef CONFIG_PCI -unsigned long isa_io_base = 0; -unsigned long isa_mem_base = 0; -#endif - /* ************************************************************************ * * Setup the architecture @@ -53,7 +48,7 @@ static void __init mpc832x_rdb_setup_arch(void) #ifdef CONFIG_PCI for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) - add_bridge(np); + mpc83xx_add_bridge(np); ppc_md.pci_exclude_device = mpc83xx_exclude_device; #endif diff --git a/arch/powerpc/platforms/83xx/mpc834x_itx.c b/arch/powerpc/platforms/83xx/mpc834x_itx.c index 40a0194..47ba544 100644 --- a/arch/powerpc/platforms/83xx/mpc834x_itx.c +++ b/arch/powerpc/platforms/83xx/mpc834x_itx.c @@ -38,11 +38,6 @@ #include "mpc83xx.h" -#ifndef CONFIG_PCI -unsigned long isa_io_base = 0; -unsigned long isa_mem_base = 0; -#endif - /* ************************************************************************ * * Setup the architecture @@ -59,10 +54,12 @@ static void __init mpc834x_itx_setup_arch(void) #ifdef CONFIG_PCI for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) - add_bridge(np); + mpc83xx_add_bridge(np); ppc_md.pci_exclude_device = mpc83xx_exclude_device; #endif + + mpc834x_usb_cfg(); } static void __init mpc834x_itx_init_IRQ(void) diff --git a/arch/powerpc/platforms/83xx/mpc834x_mds.c b/arch/powerpc/platforms/83xx/mpc834x_mds.c index 10394b2..4c9ff9c 100644 --- a/arch/powerpc/platforms/83xx/mpc834x_mds.c +++ b/arch/powerpc/platforms/83xx/mpc834x_mds.c @@ -38,61 +38,17 @@ #include "mpc83xx.h" -#ifndef CONFIG_PCI -unsigned long isa_io_base = 0; -unsigned long isa_mem_base = 0; -#endif - #define BCSR5_INT_USB 0x02 -/* Note: This is only for PB, not for PB+PIB - * On PB only port0 is connected using ULPI */ -static int mpc834x_usb_cfg(void) +static int mpc834xemds_usb_cfg(void) { - unsigned long sccr, sicrl; - void __iomem *immap; + struct device_node *np; void __iomem *bcsr_regs = NULL; u8 bcsr5; - struct device_node *np = NULL; - int port0_is_dr = 0; - - if ((np = of_find_compatible_node(NULL, "usb", "fsl-usb2-dr")) != NULL) - port0_is_dr = 1; - if ((np = of_find_compatible_node(NULL, "usb", "fsl-usb2-mph")) != NULL){ - if (port0_is_dr) { - printk(KERN_WARNING - "There is only one USB port on PB board! \n"); - return -1; - } else if (!port0_is_dr) - /* No usb port enabled */ - return -1; - } - - immap = ioremap(get_immrbase(), 0x1000); - if (!immap) - return -1; - - /* Configure clock */ - sccr = in_be32(immap + MPC83XX_SCCR_OFFS); - if (port0_is_dr) - sccr |= MPC83XX_SCCR_USB_DRCM_11; /* 1:3 */ - else - sccr |= MPC83XX_SCCR_USB_MPHCM_11; /* 1:3 */ - out_be32(immap + MPC83XX_SCCR_OFFS, sccr); - - /* Configure Pin */ - sicrl = in_be32(immap + MPC83XX_SICRL_OFFS); - /* set port0 only */ - if (port0_is_dr) - sicrl |= MPC83XX_SICRL_USB0; - else - sicrl &= ~(MPC83XX_SICRL_USB0); - out_be32(immap + MPC83XX_SICRL_OFFS, sicrl); - - iounmap(immap); + mpc834x_usb_cfg(); /* Map BCSR area */ np = of_find_node_by_name(NULL, "bcsr"); - if (np != 0) { + if (np) { struct resource res; of_address_to_resource(np, 0, &res); @@ -129,12 +85,12 @@ static void __init mpc834x_mds_setup_arch(void) #ifdef CONFIG_PCI for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) - add_bridge(np); + mpc83xx_add_bridge(np); ppc_md.pci_exclude_device = mpc83xx_exclude_device; #endif - mpc834x_usb_cfg(); + mpc834xemds_usb_cfg(); } static void __init mpc834x_mds_init_IRQ(void) diff --git a/arch/powerpc/platforms/83xx/mpc836x_mds.c b/arch/powerpc/platforms/83xx/mpc836x_mds.c index bceeff8..0e615fd 100644 --- a/arch/powerpc/platforms/83xx/mpc836x_mds.c +++ b/arch/powerpc/platforms/83xx/mpc836x_mds.c @@ -55,11 +55,6 @@ #define DBG(fmt...) #endif -#ifndef CONFIG_PCI -unsigned long isa_io_base = 0; -unsigned long isa_mem_base = 0; -#endif - static u8 *bcsr_regs = NULL; /* ************************************************************************ @@ -86,7 +81,7 @@ static void __init mpc836x_mds_setup_arch(void) #ifdef CONFIG_PCI for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) - add_bridge(np); + mpc83xx_add_bridge(np); ppc_md.pci_exclude_device = mpc83xx_exclude_device; #endif diff --git a/arch/powerpc/platforms/83xx/mpc83xx.h b/arch/powerpc/platforms/83xx/mpc83xx.h index 9cd03b5..589ee55 100644 --- a/arch/powerpc/platforms/83xx/mpc83xx.h +++ b/arch/powerpc/platforms/83xx/mpc83xx.h @@ -3,9 +3,11 @@ #include <linux/init.h> #include <linux/device.h> +#include <asm/pci-bridge.h> /* System Clock Control Register */ #define MPC83XX_SCCR_OFFS 0xA08 +#define MPC83XX_SCCR_USB_MASK 0x00f00000 #define MPC83XX_SCCR_USB_MPHCM_11 0x00c00000 #define MPC83XX_SCCR_USB_MPHCM_01 0x00400000 #define MPC83XX_SCCR_USB_MPHCM_10 0x00800000 @@ -15,21 +17,43 @@ /* system i/o configuration register low */ #define MPC83XX_SICRL_OFFS 0x114 -#define MPC83XX_SICRL_USB0 0x40000000 -#define MPC83XX_SICRL_USB1 0x20000000 +#define MPC834X_SICRL_USB_MASK 0x60000000 +#define MPC834X_SICRL_USB0 0x40000000 +#define MPC834X_SICRL_USB1 0x20000000 +#define MPC831X_SICRL_USB_MASK 0x00000c00 +#define MPC831X_SICRL_USB_ULPI 0x00000800 /* system i/o configuration register high */ #define MPC83XX_SICRH_OFFS 0x118 -#define MPC83XX_SICRH_USB_UTMI 0x00020000 +#define MPC834X_SICRH_USB_UTMI 0x00020000 +#define MPC831X_SICRH_USB_MASK 0x000000e0 +#define MPC831X_SICRH_USB_ULPI 0x000000a0 + +/* USB Control Register */ +#define FSL_USB2_CONTROL_OFFS 0x500 +#define CONTROL_UTMI_PHY_EN 0x00000200 +#define CONTROL_REFSEL_48MHZ 0x00000080 +#define CONTROL_PHY_CLK_SEL_ULPI 0x00000400 +#define CONTROL_OTG_PORT 0x00000020 + +/* USB PORTSC Registers */ +#define FSL_USB2_PORTSC1_OFFS 0x184 +#define FSL_USB2_PORTSC2_OFFS 0x188 +#define PORTSCX_PTW_16BIT 0x10000000 +#define PORTSCX_PTS_UTMI 0x00000000 +#define PORTSCX_PTS_ULPI 0x80000000 /* * Declaration for the various functions exported by the * mpc83xx_* files. Mostly for use by mpc83xx_setup */ -extern int add_bridge(struct device_node *dev); -extern int mpc83xx_exclude_device(u_char bus, u_char devfn); +extern int mpc83xx_add_bridge(struct device_node *dev); +extern int mpc83xx_exclude_device(struct pci_controller *hose, + u_char bus, u_char devfn); extern void mpc83xx_restart(char *cmd); extern long mpc83xx_time_init(void); +extern int mpc834x_usb_cfg(void); +extern int mpc831x_usb_cfg(void); #endif /* __MPC83XX_H__ */ diff --git a/arch/powerpc/platforms/83xx/pci.c b/arch/powerpc/platforms/83xx/pci.c index 774457d0..c0e2b89 100644 --- a/arch/powerpc/platforms/83xx/pci.c +++ b/arch/powerpc/platforms/83xx/pci.c @@ -33,19 +33,14 @@ #define DBG(x...) #endif -int mpc83xx_pci2_busno; - -int mpc83xx_exclude_device(u_char bus, u_char devfn) +int mpc83xx_exclude_device(struct pci_controller *hose, u_char bus, u_char devfn) { - if (bus == 0 && PCI_SLOT(devfn) == 0) + if ((bus == hose->first_busno) && PCI_SLOT(devfn) == 0) return PCIBIOS_DEVICE_NOT_FOUND; - if (mpc83xx_pci2_busno) - if (bus == (mpc83xx_pci2_busno) && PCI_SLOT(devfn) == 0) - return PCIBIOS_DEVICE_NOT_FOUND; return PCIBIOS_SUCCESSFUL; } -int __init add_bridge(struct device_node *dev) +int __init mpc83xx_add_bridge(struct device_node *dev) { int len; struct pci_controller *hose; @@ -66,11 +61,10 @@ int __init add_bridge(struct device_node *dev) " bus 0\n", dev->full_name); } - hose = pcibios_alloc_controller(); + pci_assign_all_buses = 1; + hose = pcibios_alloc_controller(dev); if (!hose) return -ENOMEM; - hose->arch_data = dev; - hose->set_cfg_type = 1; hose->first_busno = bus_range ? bus_range[0] : 0; hose->last_busno = bus_range ? bus_range[1] : 0xff; @@ -86,8 +80,6 @@ int __init add_bridge(struct device_node *dev) if ((rsrc.start & 0xfffff) == 0x8600) { setup_indirect_pci(hose, immr + 0x8380, immr + 0x8384); primary = 0; - hose->bus_offset = hose->first_busno; - mpc83xx_pci2_busno = hose->first_busno; } printk(KERN_INFO "Found MPC83xx PCI host bridge at 0x%016llx. " diff --git a/arch/powerpc/platforms/83xx/usb.c b/arch/powerpc/platforms/83xx/usb.c new file mode 100644 index 0000000..e7fdf01 --- /dev/null +++ b/arch/powerpc/platforms/83xx/usb.c @@ -0,0 +1,181 @@ +/* + * Freescale 83xx USB SOC setup code + * + * Copyright (C) 2007 Freescale Semiconductor, Inc. + * Author: Li Yang + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + + +#include <linux/stddef.h> +#include <linux/kernel.h> +#include <linux/errno.h> + +#include <asm/io.h> +#include <asm/prom.h> +#include <sysdev/fsl_soc.h> + +#include "mpc83xx.h" + + +#ifdef CONFIG_MPC834x +int mpc834x_usb_cfg(void) +{ + unsigned long sccr, sicrl, sicrh; + void __iomem *immap; + struct device_node *np = NULL; + int port0_is_dr = 0, port1_is_dr = 0; + const void *prop, *dr_mode; + + immap = ioremap(get_immrbase(), 0x1000); + if (!immap) + return -ENOMEM; + + /* Read registers */ + /* Note: DR and MPH must use the same clock setting in SCCR */ + sccr = in_be32(immap + MPC83XX_SCCR_OFFS) & ~MPC83XX_SCCR_USB_MASK; + sicrl = in_be32(immap + MPC83XX_SICRL_OFFS) & ~MPC834X_SICRL_USB_MASK; + sicrh = in_be32(immap + MPC83XX_SICRH_OFFS) & ~MPC834X_SICRH_USB_UTMI; + + np = of_find_compatible_node(NULL, "usb", "fsl-usb2-dr"); + if (np) { + sccr |= MPC83XX_SCCR_USB_DRCM_11; /* 1:3 */ + + prop = of_get_property(np, "phy_type", NULL); + if (prop && (!strcmp(prop, "utmi") || + !strcmp(prop, "utmi_wide"))) { + sicrl |= MPC834X_SICRL_USB0 | MPC834X_SICRL_USB1; + sicrh |= MPC834X_SICRH_USB_UTMI; + port1_is_dr = 1; + } else if (prop && !strcmp(prop, "serial")) { + dr_mode = of_get_property(np, "dr_mode", NULL); + if (dr_mode && !strcmp(dr_mode, "otg")) { + sicrl |= MPC834X_SICRL_USB0 | MPC834X_SICRL_USB1; + port1_is_dr = 1; + } else { + sicrl |= MPC834X_SICRL_USB0; + } + } else if (prop && !strcmp(prop, "ulpi")) { + sicrl |= MPC834X_SICRL_USB0; + } else { + printk(KERN_WARNING "834x USB PHY type not supported\n"); + } + port0_is_dr = 1; + of_node_put(np); + } + np = of_find_compatible_node(NULL, "usb", "fsl-usb2-mph"); + if (np) { + sccr |= MPC83XX_SCCR_USB_MPHCM_11; /* 1:3 */ + + prop = of_get_property(np, "port0", NULL); + if (prop) { + if (port0_is_dr) + printk(KERN_WARNING + "834x USB port0 can't be used by both DR and MPH!\n"); + sicrl |= MPC834X_SICRL_USB0; + } + prop = of_get_property(np, "port1", NULL); + if (prop) { + if (port1_is_dr) + printk(KERN_WARNING + "834x USB port1 can't be used by both DR and MPH!\n"); + sicrl |= MPC834X_SICRL_USB1; + } + of_node_put(np); + } + + /* Write back */ + out_be32(immap + MPC83XX_SCCR_OFFS, sccr); + out_be32(immap + MPC83XX_SICRL_OFFS, sicrl); + out_be32(immap + MPC83XX_SICRH_OFFS, sicrh); + + iounmap(immap); + return 0; +} +#endif /* CONFIG_MPC834x */ + +#ifdef CONFIG_PPC_MPC831x +int mpc831x_usb_cfg(void) +{ + u32 temp; + void __iomem *immap, *usb_regs; + struct device_node *np = NULL; + const void *prop; + struct resource res; + int ret = 0; +#ifdef CONFIG_USB_OTG + const void *dr_mode; +#endif + + np = of_find_compatible_node(NULL, "usb", "fsl-usb2-dr"); + if (!np) + return -ENODEV; + prop = of_get_property(np, "phy_type", NULL); + + /* Map IMMR space for pin and clock settings */ + immap = ioremap(get_immrbase(), 0x1000); + if (!immap) { + of_node_put(np); + return -ENOMEM; + } + + /* Configure clock */ + temp = in_be32(immap + MPC83XX_SCCR_OFFS); + temp &= ~MPC83XX_SCCR_USB_MASK; + temp |= MPC83XX_SCCR_USB_DRCM_11; /* 1:3 */ + out_be32(immap + MPC83XX_SCCR_OFFS, temp); + + /* Configure pin mux for ULPI. There is no pin mux for UTMI */ + if (!strcmp(prop, "ulpi")) { + temp = in_be32(immap + MPC83XX_SICRL_OFFS); + temp &= ~MPC831X_SICRL_USB_MASK; + temp |= MPC831X_SICRL_USB_ULPI; + out_be32(immap + MPC83XX_SICRL_OFFS, temp); + + temp = in_be32(immap + MPC83XX_SICRH_OFFS); + temp &= ~MPC831X_SICRH_USB_MASK; + temp |= MPC831X_SICRH_USB_ULPI; + out_be32(immap + MPC83XX_SICRH_OFFS, temp); + } + + iounmap(immap); + + /* Map USB SOC space */ + ret = of_address_to_resource(np, 0, &res); + if (ret) { + of_node_put(np); + return ret; + } + usb_regs = ioremap(res.start, res.end - res.start + 1); + + /* Using on-chip PHY */ + if (!strcmp(prop, "utmi_wide") || + !strcmp(prop, "utmi")) { + /* Set UTMI_PHY_EN, REFSEL to 48MHZ */ + out_be32(usb_regs + FSL_USB2_CONTROL_OFFS, + CONTROL_UTMI_PHY_EN | CONTROL_REFSEL_48MHZ); + /* Using external UPLI PHY */ + } else if (!strcmp(prop, "ulpi")) { + /* Set PHY_CLK_SEL to ULPI */ + temp = CONTROL_PHY_CLK_SEL_ULPI; +#ifdef CONFIG_USB_OTG + /* Set OTG_PORT */ + dr_mode = of_get_property(np, "dr_mode", NULL); + if (dr_mode && !strcmp(dr_mode, "otg")) + temp |= CONTROL_OTG_PORT; +#endif /* CONFIG_USB_OTG */ + out_be32(usb_regs + FSL_USB2_CONTROL_OFFS, temp); + } else { + printk(KERN_WARNING "831x USB PHY type not supported\n"); + ret = -EINVAL; + } + + iounmap(usb_regs); + of_node_put(np); + return ret; +} +#endif /* CONFIG_PPC_MPC831x */ diff --git a/arch/powerpc/platforms/85xx/misc.c b/arch/powerpc/platforms/85xx/misc.c index 3e62fcb..4fe376e 100644 --- a/arch/powerpc/platforms/85xx/misc.c +++ b/arch/powerpc/platforms/85xx/misc.c @@ -13,11 +13,43 @@ #include <linux/irq.h> #include <linux/module.h> #include <asm/irq.h> +#include <asm/io.h> +#include <asm/prom.h> +#include <sysdev/fsl_soc.h> + +static __be32 __iomem *rstcr; extern void abort(void); +static int __init mpc85xx_rstcr(void) +{ + struct device_node *np; + np = of_find_node_by_name(NULL, "global-utilities"); + if ((np && of_get_property(np, "fsl,has-rstcr", NULL))) { + const u32 *prop = of_get_property(np, "reg", NULL); + if (prop) { + /* map reset control register + * 0xE00B0 is offset of reset control register + */ + rstcr = ioremap(get_immrbase() + *prop + 0xB0, 0xff); + if (!rstcr) + printk (KERN_EMERG "Error: reset control " + "register not mapped!\n"); + } + } else + printk (KERN_INFO "rstcr compatible register does not exist!\n"); + if (np) + of_node_put(np); + return 0; +} + +arch_initcall(mpc85xx_rstcr); + void mpc85xx_restart(char *cmd) { local_irq_disable(); + if (rstcr) + /* set reset control register */ + out_be32(rstcr, 0x2); /* HRESET_REQ */ abort(); } diff --git a/arch/powerpc/platforms/85xx/mpc8544_ds.c b/arch/powerpc/platforms/85xx/mpc8544_ds.c index bec84ff..6fb90aa 100644 --- a/arch/powerpc/platforms/85xx/mpc8544_ds.c +++ b/arch/powerpc/platforms/85xx/mpc8544_ds.c @@ -61,24 +61,11 @@ void __init mpc8544_ds_pic_init(void) return; } - /* Alloc mpic structure and per isu has 16 INT entries. */ mpic = mpic_alloc(np, r.start, MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN, - 16, 64, " OPENPIC "); + 0, 256, " OpenPIC "); BUG_ON(mpic == NULL); - /* - * 48 Internal Interrupts - */ - mpic_assign_isu(mpic, 0, r.start + 0x10200); - mpic_assign_isu(mpic, 1, r.start + 0x10400); - mpic_assign_isu(mpic, 2, r.start + 0x10600); - - /* - * 16 External interrupts - */ - mpic_assign_isu(mpic, 3, r.start + 0x10000); - mpic_init(mpic); #ifdef CONFIG_PPC_I8259 diff --git a/arch/powerpc/platforms/85xx/mpc85xx.h b/arch/powerpc/platforms/85xx/mpc85xx.h index 83415db..7286ffa 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx.h +++ b/arch/powerpc/platforms/85xx/mpc85xx.h @@ -15,4 +15,4 @@ */ extern void mpc85xx_restart(char *); -extern int add_bridge(struct device_node *dev); +extern int mpc85xx_add_bridge(struct device_node *dev); diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ads.c b/arch/powerpc/platforms/85xx/mpc85xx_ads.c index 5d27621..7235f70 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_ads.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_ads.c @@ -38,13 +38,9 @@ #include <asm/fs_pd.h> #endif -#ifndef CONFIG_PCI -unsigned long isa_io_base = 0; -unsigned long isa_mem_base = 0; -#endif - #ifdef CONFIG_PCI -static int mpc85xx_exclude_device(u_char bus, u_char devfn) +static int mpc85xx_exclude_device(struct pci_controller *hose, + u_char bus, u_char devfn) { if (bus == 0 && PCI_SLOT(devfn) == 0) return PCIBIOS_DEVICE_NOT_FOUND; @@ -91,30 +87,10 @@ static void __init mpc85xx_ads_pic_init(void) mpic = mpic_alloc(np, r.start, MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN, - 4, 0, " OpenPIC "); + 0, 256, " OpenPIC "); BUG_ON(mpic == NULL); of_node_put(np); - mpic_assign_isu(mpic, 0, r.start + 0x10200); - mpic_assign_isu(mpic, 1, r.start + 0x10280); - mpic_assign_isu(mpic, 2, r.start + 0x10300); - mpic_assign_isu(mpic, 3, r.start + 0x10380); - mpic_assign_isu(mpic, 4, r.start + 0x10400); - mpic_assign_isu(mpic, 5, r.start + 0x10480); - mpic_assign_isu(mpic, 6, r.start + 0x10500); - mpic_assign_isu(mpic, 7, r.start + 0x10580); - - /* Unused on this platform (leave room for 8548) */ - mpic_assign_isu(mpic, 8, r.start + 0x10600); - mpic_assign_isu(mpic, 9, r.start + 0x10680); - mpic_assign_isu(mpic, 10, r.start + 0x10700); - mpic_assign_isu(mpic, 11, r.start + 0x10780); - - /* External Interrupts */ - mpic_assign_isu(mpic, 12, r.start + 0x10000); - mpic_assign_isu(mpic, 13, r.start + 0x10080); - mpic_assign_isu(mpic, 14, r.start + 0x10100); - mpic_init(mpic); #ifdef CONFIG_CPM2 @@ -241,7 +217,7 @@ static void __init mpc85xx_ads_setup_arch(void) #ifdef CONFIG_PCI for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) - add_bridge(np); + mpc85xx_add_bridge(np); ppc_md.pci_exclude_device = mpc85xx_exclude_device; #endif } diff --git a/arch/powerpc/platforms/85xx/mpc85xx_cds.c b/arch/powerpc/platforms/85xx/mpc85xx_cds.c index 1490eb3..50c8d64 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_cds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_cds.c @@ -47,11 +47,6 @@ #include <sysdev/fsl_soc.h> #include "mpc85xx.h" -#ifndef CONFIG_PCI -unsigned long isa_io_base = 0; -unsigned long isa_mem_base = 0; -#endif - static int cds_pci_slot = 2; static volatile u8 *cadmus; @@ -60,15 +55,11 @@ static volatile u8 *cadmus; #define ARCADIA_HOST_BRIDGE_IDSEL 17 #define ARCADIA_2ND_BRIDGE_IDSEL 3 -extern int mpc85xx_pci2_busno; - -static int mpc85xx_exclude_device(u_char bus, u_char devfn) +static int mpc85xx_exclude_device(struct pci_controller *hose, + u_char bus, u_char devfn) { - if (bus == 0 && PCI_SLOT(devfn) == 0) + if ((bus == hose->first_busno) && PCI_SLOT(devfn) == 0) return PCIBIOS_DEVICE_NOT_FOUND; - if (mpc85xx_pci2_busno) - if (bus == (mpc85xx_pci2_busno) && PCI_SLOT(devfn) == 0) - return PCIBIOS_DEVICE_NOT_FOUND; /* We explicitly do not go past the Tundra 320 Bridge */ if ((bus == 1) && (PCI_SLOT(devfn) == ARCADIA_2ND_BRIDGE_IDSEL)) return PCIBIOS_DEVICE_NOT_FOUND; @@ -78,52 +69,44 @@ static int mpc85xx_exclude_device(u_char bus, u_char devfn) return PCIBIOS_SUCCESSFUL; } -static void __init mpc85xx_cds_pcibios_fixup(void) +static void __init mpc85xx_cds_pci_irq_fixup(struct pci_dev *dev) { - struct pci_dev *dev; - u_char c; - - if ((dev = pci_get_device(PCI_VENDOR_ID_VIA, - PCI_DEVICE_ID_VIA_82C586_1, NULL))) { + u_char c; + if (dev->vendor == PCI_VENDOR_ID_VIA) { + switch (dev->device) { + case PCI_DEVICE_ID_VIA_82C586_1: + /* + * U-Boot does not set the enable bits + * for the IDE device. Force them on here. + */ + pci_read_config_byte(dev, 0x40, &c); + c |= 0x03; /* IDE: Chip Enable Bits */ + pci_write_config_byte(dev, 0x40, c); + + /* + * Since only primary interface works, force the + * IDE function to standard primary IDE interrupt + * w/ 8259 offset + */ + dev->irq = 14; + pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq); + break; /* - * U-Boot does not set the enable bits - * for the IDE device. Force them on here. + * Force legacy USB interrupt routing */ - pci_read_config_byte(dev, 0x40, &c); - c |= 0x03; /* IDE: Chip Enable Bits */ - pci_write_config_byte(dev, 0x40, c); - - /* - * Since only primary interface works, force the - * IDE function to standard primary IDE interrupt - * w/ 8259 offset + case PCI_DEVICE_ID_VIA_82C586_2: + /* There are two USB controllers. + * Identify them by functon number */ - dev->irq = 14; - pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq); - pci_dev_put(dev); - } - - /* - * Force legacy USB interrupt routing - */ - if ((dev = pci_get_device(PCI_VENDOR_ID_VIA, - PCI_DEVICE_ID_VIA_82C586_2, NULL))) { - dev->irq = 10; - pci_write_config_byte(dev, PCI_INTERRUPT_LINE, 10); - pci_dev_put(dev); - } - - if ((dev = pci_get_device(PCI_VENDOR_ID_VIA, - PCI_DEVICE_ID_VIA_82C586_2, dev))) { - dev->irq = 11; - pci_write_config_byte(dev, PCI_INTERRUPT_LINE, 11); - pci_dev_put(dev); + if (PCI_FUNC(dev->devfn)) + dev->irq = 11; + else + dev->irq = 10; + pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq); + default: + break; + } } - - /* Now map all the PCI irqs */ - dev = NULL; - for_each_pci_dev(dev) - pci_read_irq_line(dev); } #ifdef CONFIG_PPC_I8259 @@ -165,33 +148,12 @@ static void __init mpc85xx_cds_pic_init(void) mpic = mpic_alloc(np, r.start, MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN, - 4, 0, " OpenPIC "); + 0, 256, " OpenPIC "); BUG_ON(mpic == NULL); /* Return the mpic node */ of_node_put(np); - mpic_assign_isu(mpic, 0, r.start + 0x10200); - mpic_assign_isu(mpic, 1, r.start + 0x10280); - mpic_assign_isu(mpic, 2, r.start + 0x10300); - mpic_assign_isu(mpic, 3, r.start + 0x10380); - mpic_assign_isu(mpic, 4, r.start + 0x10400); - mpic_assign_isu(mpic, 5, r.start + 0x10480); - mpic_assign_isu(mpic, 6, r.start + 0x10500); - mpic_assign_isu(mpic, 7, r.start + 0x10580); - - /* Used only for 8548 so far, but no harm in - * allocating them for everyone */ - mpic_assign_isu(mpic, 8, r.start + 0x10600); - mpic_assign_isu(mpic, 9, r.start + 0x10680); - mpic_assign_isu(mpic, 10, r.start + 0x10700); - mpic_assign_isu(mpic, 11, r.start + 0x10780); - - /* External Interrupts */ - mpic_assign_isu(mpic, 12, r.start + 0x10000); - mpic_assign_isu(mpic, 13, r.start + 0x10080); - mpic_assign_isu(mpic, 14, r.start + 0x10100); - mpic_init(mpic); #ifdef CONFIG_PPC_I8259 @@ -257,9 +219,9 @@ static void __init mpc85xx_cds_setup_arch(void) #ifdef CONFIG_PCI for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) - add_bridge(np); + mpc85xx_add_bridge(np); - ppc_md.pcibios_fixup = mpc85xx_cds_pcibios_fixup; + ppc_md.pci_irq_fixup = mpc85xx_cds_pci_irq_fixup; ppc_md.pci_exclude_device = mpc85xx_exclude_device; #endif } diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c index e3dddbf..004b80b 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c @@ -59,11 +59,6 @@ #define DBG(fmt...) #endif -#ifndef CONFIG_PCI -unsigned long isa_io_base = 0; -unsigned long isa_mem_base = 0; -#endif - /* ************************************************************************ * * Setup the architecture @@ -100,7 +95,7 @@ static void __init mpc85xx_mds_setup_arch(void) #ifdef CONFIG_PCI for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) { - add_bridge(np); + mpc85xx_add_bridge(np); } of_node_put(np); #endif @@ -181,29 +176,10 @@ static void __init mpc85xx_mds_pic_init(void) mpic = mpic_alloc(np, r.start, MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN, - 4, 0, " OpenPIC "); + 0, 256, " OpenPIC "); BUG_ON(mpic == NULL); of_node_put(np); - /* Internal Interrupts */ - mpic_assign_isu(mpic, 0, r.start + 0x10200); - mpic_assign_isu(mpic, 1, r.start + 0x10280); - mpic_assign_isu(mpic, 2, r.start + 0x10300); - mpic_assign_isu(mpic, 3, r.start + 0x10380); - mpic_assign_isu(mpic, 4, r.start + 0x10400); - mpic_assign_isu(mpic, 5, r.start + 0x10480); - mpic_assign_isu(mpic, 6, r.start + 0x10500); - mpic_assign_isu(mpic, 7, r.start + 0x10580); - mpic_assign_isu(mpic, 8, r.start + 0x10600); - mpic_assign_isu(mpic, 9, r.start + 0x10680); - mpic_assign_isu(mpic, 10, r.start + 0x10700); - mpic_assign_isu(mpic, 11, r.start + 0x10780); - - /* External Interrupts */ - mpic_assign_isu(mpic, 12, r.start + 0x10000); - mpic_assign_isu(mpic, 13, r.start + 0x10080); - mpic_assign_isu(mpic, 14, r.start + 0x10100); - mpic_init(mpic); #ifdef CONFIG_QUICC_ENGINE diff --git a/arch/powerpc/platforms/85xx/pci.c b/arch/powerpc/platforms/85xx/pci.c index 48f17e2..8118417 100644 --- a/arch/powerpc/platforms/85xx/pci.c +++ b/arch/powerpc/platforms/85xx/pci.c @@ -33,10 +33,8 @@ #define DBG(x...) #endif -int mpc85xx_pci2_busno = 0; - #ifdef CONFIG_PCI -int __init add_bridge(struct device_node *dev) +int __init mpc85xx_add_bridge(struct device_node *dev) { int len; struct pci_controller *hose; @@ -57,11 +55,10 @@ int __init add_bridge(struct device_node *dev) " bus 0\n", dev->full_name); } - hose = pcibios_alloc_controller(); + pci_assign_all_buses = 1; + hose = pcibios_alloc_controller(dev); if (!hose) return -ENOMEM; - hose->arch_data = dev; - hose->set_cfg_type = 1; hose->first_busno = bus_range ? bus_range[0] : 0; hose->last_busno = bus_range ? bus_range[1] : 0xff; @@ -74,8 +71,6 @@ int __init add_bridge(struct device_node *dev) if ((rsrc.start & 0xfffff) == 0x9000) { setup_indirect_pci(hose, immr + 0x9000, immr + 0x9004); primary = 0; - hose->bus_offset = hose->first_busno; - mpc85xx_pci2_busno = hose->first_busno; } printk(KERN_INFO "Found MPC85xx PCI host bridge at 0x%016llx. " diff --git a/arch/powerpc/platforms/86xx/Kconfig b/arch/powerpc/platforms/86xx/Kconfig index d1bcff5..0faebfd 100644 --- a/arch/powerpc/platforms/86xx/Kconfig +++ b/arch/powerpc/platforms/86xx/Kconfig @@ -1,5 +1,5 @@ choice - prompt "Machine Type" + prompt "86xx Board Type" depends on PPC_86xx default MPC8641_HPCN diff --git a/arch/powerpc/platforms/86xx/mpc86xx.h b/arch/powerpc/platforms/86xx/mpc86xx.h index 2834462..23f7ed2 100644 --- a/arch/powerpc/platforms/86xx/mpc86xx.h +++ b/arch/powerpc/platforms/86xx/mpc86xx.h @@ -15,15 +15,10 @@ * mpc86xx_* files. Mostly for use by mpc86xx_setup(). */ -extern int add_bridge(struct device_node *dev); +extern int mpc86xx_add_bridge(struct device_node *dev); -extern int mpc86xx_exclude_device(u_char bus, u_char devfn); - -extern void setup_indirect_pcie(struct pci_controller *hose, - u32 cfg_addr, u32 cfg_data); -extern void setup_indirect_pcie_nomap(struct pci_controller *hose, - void __iomem *cfg_addr, - void __iomem *cfg_data); +extern int mpc86xx_exclude_device(struct pci_controller *hose, + u_char bus, u_char devfn); extern void __init mpc86xx_smp_init(void); diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c index 1051702..5b01ec7 100644 --- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c +++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c @@ -44,13 +44,6 @@ #define DBG(fmt...) do { } while(0) #endif -#ifndef CONFIG_PCI -unsigned long isa_io_base = 0; -unsigned long isa_mem_base = 0; -unsigned long pci_dram_offset = 0; -#endif - - #ifdef CONFIG_PCI static void mpc86xx_8259_cascade(unsigned int irq, struct irq_desc *desc) { @@ -81,22 +74,9 @@ mpc86xx_hpcn_init_irq(void) /* Alloc mpic structure and per isu has 16 INT entries. */ mpic1 = mpic_alloc(np, res.start, MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN, - 16, NR_IRQS - 4, - " MPIC "); + 0, 256, " MPIC "); BUG_ON(mpic1 == NULL); - mpic_assign_isu(mpic1, 0, res.start + 0x10000); - - /* 48 Internal Interrupts */ - mpic_assign_isu(mpic1, 1, res.start + 0x10200); - mpic_assign_isu(mpic1, 2, res.start + 0x10400); - mpic_assign_isu(mpic1, 3, res.start + 0x10600); - - /* 16 External interrupts - * Moving them from [0 - 15] to [64 - 79] - */ - mpic_assign_isu(mpic1, 4, res.start + 0x10000); - mpic_init(mpic1); #ifdef CONFIG_PCI @@ -319,6 +299,7 @@ static void __devinit quirk_uli5229(struct pci_dev *dev) { unsigned short temp; pci_write_config_word(dev, 0x04, 0x0405); + dev->class &= ~0x5; pci_read_config_word(dev, 0x4a, &temp); temp |= 0x1000; pci_write_config_word(dev, 0x4a, temp); @@ -364,9 +345,7 @@ mpc86xx_hpcn_setup_arch(void) #ifdef CONFIG_PCI for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) - add_bridge(np); - - ppc_md.pci_exclude_device = mpc86xx_exclude_device; + mpc86xx_add_bridge(np); #endif printk("MPC86xx HPCN board from Freescale Semiconductor\n"); diff --git a/arch/powerpc/platforms/86xx/pci.c b/arch/powerpc/platforms/86xx/pci.c index 8235c56..73cd5b05 100644 --- a/arch/powerpc/platforms/86xx/pci.c +++ b/arch/powerpc/platforms/86xx/pci.c @@ -122,7 +122,6 @@ static void __init mpc86xx_setup_pcie(struct pci_controller *hose, u32 pcie_offset, u32 pcie_size) { u16 cmd; - unsigned int temps; DBG("PCIE host controller register offset 0x%08x, size 0x%08x.\n", pcie_offset, pcie_size); @@ -133,22 +132,49 @@ mpc86xx_setup_pcie(struct pci_controller *hose, u32 pcie_offset, u32 pcie_size) early_write_config_word(hose, 0, 0, PCI_COMMAND, cmd); early_write_config_byte(hose, 0, 0, PCI_LATENCY_TIMER, 0x80); - - /* PCIE Bus, Fix the MPC8641D host bridge's location to bus 0xFF. */ - early_read_config_dword(hose, 0, 0, PCI_PRIMARY_BUS, &temps); - temps = (temps & 0xff000000) | (0xff) | (0x0 << 8) | (0xfe << 16); - early_write_config_dword(hose, 0, 0, PCI_PRIMARY_BUS, temps); } -int mpc86xx_exclude_device(u_char bus, u_char devfn) +static void __devinit quirk_fsl_pcie_transparent(struct pci_dev *dev) { - if (bus == 0 && PCI_SLOT(devfn) == 0) - return PCIBIOS_DEVICE_NOT_FOUND; + struct resource *res; + int i, res_idx = PCI_BRIDGE_RESOURCES; + struct pci_controller *hose; - return PCIBIOS_SUCCESSFUL; + /* + * Make the bridge be transparent. + */ + dev->transparent = 1; + + hose = pci_bus_to_host(dev->bus); + if (!hose) { + printk(KERN_ERR "Can't find hose for bus %d\n", + dev->bus->number); + return; + } + + if (hose->io_resource.flags) { + res = &dev->resource[res_idx++]; + res->start = hose->io_resource.start; + res->end = hose->io_resource.end; + res->flags = hose->io_resource.flags; + } + + for (i = 0; i < 3; i++) { + res = &dev->resource[res_idx + i]; + res->start = hose->mem_resources[i].start; + res->end = hose->mem_resources[i].end; + res->flags = hose->mem_resources[i].flags; + } } -int __init add_bridge(struct device_node *dev) + +DECLARE_PCI_FIXUP_EARLY(0x1957, 0x7010, quirk_fsl_pcie_transparent); +DECLARE_PCI_FIXUP_EARLY(0x1957, 0x7011, quirk_fsl_pcie_transparent); + +#define PCIE_LTSSM 0x404 /* PCIe Link Training and Status */ +#define PCIE_LTSSM_L0 0x16 /* L0 state */ + +int __init mpc86xx_add_bridge(struct device_node *dev) { int len; struct pci_controller *hose; @@ -156,6 +182,7 @@ int __init add_bridge(struct device_node *dev) const int *bus_range; int has_address = 0; int primary = 0; + u16 val; DBG("Adding PCIE host bridge %s\n", dev->full_name); @@ -168,17 +195,23 @@ int __init add_bridge(struct device_node *dev) printk(KERN_WARNING "Can't get bus-range for %s, assume" " bus 0\n", dev->full_name); - hose = pcibios_alloc_controller(); + pci_assign_all_buses = 1; + hose = pcibios_alloc_controller(dev); if (!hose) return -ENOMEM; - hose->arch_data = dev; - hose->set_cfg_type = 1; - /* last_busno = 0xfe cause by MPC8641 PCIE bug */ + hose->indirect_type = PPC_INDIRECT_TYPE_EXT_REG | + PPC_INDIRECT_TYPE_SURPRESS_PRIMARY_BUS; + hose->first_busno = bus_range ? bus_range[0] : 0x0; - hose->last_busno = bus_range ? bus_range[1] : 0xfe; + hose->last_busno = bus_range ? bus_range[1] : 0xff; + + setup_indirect_pci(hose, rsrc.start, rsrc.start + 0x4); - setup_indirect_pcie(hose, rsrc.start, rsrc.start + 0x4); + /* Probe the hose link training status */ + early_read_config_word(hose, 0, 0, PCIE_LTSSM, &val); + if (val < PCIE_LTSSM_L0) + return -ENXIO; /* Setup the PCIE host controller. */ mpc86xx_setup_pcie(hose, rsrc.start, rsrc.end - rsrc.start + 1); diff --git a/arch/powerpc/platforms/8xx/m8xx_setup.c b/arch/powerpc/platforms/8xx/m8xx_setup.c index 0901dba..f169355 100644 --- a/arch/powerpc/platforms/8xx/m8xx_setup.c +++ b/arch/powerpc/platforms/8xx/m8xx_setup.c @@ -32,6 +32,7 @@ #include <linux/root_dev.h> #include <linux/time.h> #include <linux/rtc.h> +#include <linux/fsl_devices.h> #include <asm/mmu.h> #include <asm/reg.h> @@ -49,6 +50,10 @@ #include "sysdev/mpc8xx_pic.h" +#ifdef CONFIG_PCMCIA_M8XX +struct mpc8xx_pcmcia_ops m8xx_pcmcia_ops; +#endif + void m8xx_calibrate_decr(void); extern void m8xx_wdt_handler_install(bd_t *bp); extern int cpm_pic_init(void); diff --git a/arch/powerpc/platforms/8xx/mpc885ads_setup.c b/arch/powerpc/platforms/8xx/mpc885ads_setup.c index c36e475..5a808d6 100644 --- a/arch/powerpc/platforms/8xx/mpc885ads_setup.c +++ b/arch/powerpc/platforms/8xx/mpc885ads_setup.c @@ -22,6 +22,7 @@ #include <linux/fs_enet_pd.h> #include <linux/fs_uart_pd.h> +#include <linux/fsl_devices.h> #include <linux/mii.h> #include <asm/delay.h> @@ -39,7 +40,7 @@ #include <asm/prom.h> extern void cpm_reset(void); -extern void mpc8xx_show_cpuinfo(struct seq_file*); +extern void mpc8xx_show_cpuinfo(struct seq_file *); extern void mpc8xx_restart(char *cmd); extern void mpc8xx_calibrate_decr(void); extern int mpc8xx_set_rtc_time(struct rtc_time *tm); @@ -47,9 +48,73 @@ extern void mpc8xx_get_rtc_time(struct rtc_time *tm); extern void m8xx_pic_init(void); extern unsigned int mpc8xx_get_irq(void); -static void init_smc1_uart_ioports(struct fs_uart_platform_info* fpi); -static void init_smc2_uart_ioports(struct fs_uart_platform_info* fpi); -static void init_scc3_ioports(struct fs_platform_info* ptr); +static void init_smc1_uart_ioports(struct fs_uart_platform_info *fpi); +static void init_smc2_uart_ioports(struct fs_uart_platform_info *fpi); +static void init_scc3_ioports(struct fs_platform_info *ptr); + +#ifdef CONFIG_PCMCIA_M8XX +static void pcmcia_hw_setup(int slot, int enable) +{ + unsigned *bcsr_io; + + bcsr_io = ioremap(BCSR1, sizeof(unsigned long)); + if (enable) + clrbits32(bcsr_io, BCSR1_PCCEN); + else + setbits32(bcsr_io, BCSR1_PCCEN); + + iounmap(bcsr_io); +} + +static int pcmcia_set_voltage(int slot, int vcc, int vpp) +{ + u32 reg = 0; + unsigned *bcsr_io; + + bcsr_io = ioremap(BCSR1, sizeof(unsigned long)); + + switch (vcc) { + case 0: + break; + case 33: + reg |= BCSR1_PCCVCC0; + break; + case 50: + reg |= BCSR1_PCCVCC1; + break; + default: + return 1; + } + + switch (vpp) { + case 0: + break; + case 33: + case 50: + if (vcc == vpp) + reg |= BCSR1_PCCVPP1; + else + return 1; + break; + case 120: + if ((vcc == 33) || (vcc == 50)) + reg |= BCSR1_PCCVPP0; + else + return 1; + default: + return 1; + } + + /* first, turn off all power */ + clrbits32(bcsr_io, 0x00610000); + + /* enable new powersettings */ + setbits32(bcsr_io, reg); + + iounmap(bcsr_io); + return 0; +} +#endif void __init mpc885ads_board_setup(void) { @@ -62,7 +127,7 @@ void __init mpc885ads_board_setup(void) #endif bcsr_io = ioremap(BCSR1, sizeof(unsigned long)); - cp = (cpm8xx_t *)immr_map(im_cpm); + cp = (cpm8xx_t *) immr_map(im_cpm); if (bcsr_io == NULL) { printk(KERN_CRIT "Could not remap BCSR\n"); @@ -75,13 +140,13 @@ void __init mpc885ads_board_setup(void) out_8(&(cp->cp_smc[0].smc_smcm), tmpval8); clrbits16(&cp->cp_smc[0].smc_smcmr, SMCMR_REN | SMCMR_TEN); /* brg1 */ #else - setbits32(bcsr_io,BCSR1_RS232EN_1); + setbits32(bcsr_io, BCSR1_RS232EN_1); out_be16(&cp->cp_smc[0].smc_smcmr, 0); out_8(&cp->cp_smc[0].smc_smce, 0); #endif #ifdef CONFIG_SERIAL_CPM_SMC2 - clrbits32(bcsr_io,BCSR1_RS232EN_2); + clrbits32(bcsr_io, BCSR1_RS232EN_2); clrbits32(&cp->cp_simode, 0xe0000000 >> 1); setbits32(&cp->cp_simode, 0x20000000 >> 1); /* brg2 */ tmpval8 = in_8(&(cp->cp_smc[1].smc_smcm)) | (SMCM_RX | SMCM_TX); @@ -90,7 +155,7 @@ void __init mpc885ads_board_setup(void) init_smc2_uart_ioports(0); #else - setbits32(bcsr_io,BCSR1_RS232EN_2); + setbits32(bcsr_io, BCSR1_RS232EN_2); out_be16(&cp->cp_smc[1].smc_smcmr, 0); out_8(&cp->cp_smc[1].smc_smce, 0); #endif @@ -99,29 +164,34 @@ void __init mpc885ads_board_setup(void) #ifdef CONFIG_FS_ENET /* use MDC for MII (common) */ - io_port = (iop8xx_t*)immr_map(im_ioport); + io_port = (iop8xx_t *) immr_map(im_ioport); setbits16(&io_port->iop_pdpar, 0x0080); clrbits16(&io_port->iop_pddir, 0x0080); bcsr_io = ioremap(BCSR5, sizeof(unsigned long)); - clrbits32(bcsr_io,BCSR5_MII1_EN); - clrbits32(bcsr_io,BCSR5_MII1_RST); + clrbits32(bcsr_io, BCSR5_MII1_EN); + clrbits32(bcsr_io, BCSR5_MII1_RST); #ifndef CONFIG_FC_ENET_HAS_SCC - clrbits32(bcsr_io,BCSR5_MII2_EN); - clrbits32(bcsr_io,BCSR5_MII2_RST); + clrbits32(bcsr_io, BCSR5_MII2_EN); + clrbits32(bcsr_io, BCSR5_MII2_RST); #endif iounmap(bcsr_io); immr_unmap(io_port); #endif -} +#ifdef CONFIG_PCMCIA_M8XX + /*Set up board specific hook-ups */ + m8xx_pcmcia_ops.hw_ctrl = pcmcia_hw_setup; + m8xx_pcmcia_ops.voltage_set = pcmcia_set_voltage; +#endif +} -static void init_fec1_ioports(struct fs_platform_info* ptr) +static void init_fec1_ioports(struct fs_platform_info *ptr) { - cpm8xx_t *cp = (cpm8xx_t *)immr_map(im_cpm); - iop8xx_t *io_port = (iop8xx_t *)immr_map(im_ioport); + cpm8xx_t *cp = (cpm8xx_t *) immr_map(im_cpm); + iop8xx_t *io_port = (iop8xx_t *) immr_map(im_ioport); /* configure FEC1 pins */ setbits16(&io_port->iop_papar, 0xf830); @@ -143,11 +213,10 @@ static void init_fec1_ioports(struct fs_platform_info* ptr) immr_unmap(cp); } - -static void init_fec2_ioports(struct fs_platform_info* ptr) +static void init_fec2_ioports(struct fs_platform_info *ptr) { - cpm8xx_t *cp = (cpm8xx_t *)immr_map(im_cpm); - iop8xx_t *io_port = (iop8xx_t *)immr_map(im_ioport); + cpm8xx_t *cp = (cpm8xx_t *) immr_map(im_cpm); + iop8xx_t *io_port = (iop8xx_t *) immr_map(im_ioport); /* configure FEC2 pins */ setbits32(&cp->cp_pepar, 0x0003fffc); @@ -177,15 +246,15 @@ void init_fec_ioports(struct fs_platform_info *fpi) } } -static void init_scc3_ioports(struct fs_platform_info* fpi) +static void init_scc3_ioports(struct fs_platform_info *fpi) { unsigned *bcsr_io; iop8xx_t *io_port; cpm8xx_t *cp; bcsr_io = ioremap(BCSR_ADDR, BCSR_SIZE); - io_port = (iop8xx_t *)immr_map(im_ioport); - cp = (cpm8xx_t *)immr_map(im_cpm); + io_port = (iop8xx_t *) immr_map(im_ioport); + cp = (cpm8xx_t *) immr_map(im_cpm); if (bcsr_io == NULL) { printk(KERN_CRIT "Could not remap BCSR\n"); @@ -194,9 +263,9 @@ static void init_scc3_ioports(struct fs_platform_info* fpi) /* Enable the PHY. */ - clrbits32(bcsr_io+4, BCSR4_ETH10_RST); + clrbits32(bcsr_io + 4, BCSR4_ETH10_RST); udelay(1000); - setbits32(bcsr_io+4, BCSR4_ETH10_RST); + setbits32(bcsr_io + 4, BCSR4_ETH10_RST); /* Configure port A pins for Txd and Rxd. */ setbits16(&io_port->iop_papar, PA_ENET_RXD | PA_ENET_TXD); @@ -212,8 +281,7 @@ static void init_scc3_ioports(struct fs_platform_info* fpi) */ setbits32(&cp->cp_pepar, PE_ENET_TCLK | PE_ENET_RCLK); clrbits32(&cp->cp_pepar, PE_ENET_TENA); - clrbits32(&cp->cp_pedir, - PE_ENET_TCLK | PE_ENET_RCLK | PE_ENET_TENA); + clrbits32(&cp->cp_pedir, PE_ENET_TCLK | PE_ENET_RCLK | PE_ENET_TENA); clrbits32(&cp->cp_peso, PE_ENET_TCLK | PE_ENET_RCLK); setbits32(&cp->cp_peso, PE_ENET_TENA); @@ -237,7 +305,7 @@ static void init_scc3_ioports(struct fs_platform_info* fpi) clrbits32(&cp->cp_pedir, PE_ENET_TENA); setbits32(&cp->cp_peso, PE_ENET_TENA); - setbits32(bcsr_io+4, BCSR1_ETHEN); + setbits32(bcsr_io + 4, BCSR1_ETHEN); iounmap(bcsr_io); immr_unmap(io_port); immr_unmap(cp); @@ -257,50 +325,48 @@ void init_scc_ioports(struct fs_platform_info *fpi) } } - - -static void init_smc1_uart_ioports(struct fs_uart_platform_info* ptr) +static void init_smc1_uart_ioports(struct fs_uart_platform_info *ptr) { - unsigned *bcsr_io; + unsigned *bcsr_io; cpm8xx_t *cp; - cp = (cpm8xx_t *)immr_map(im_cpm); + cp = (cpm8xx_t *) immr_map(im_cpm); setbits32(&cp->cp_pepar, 0x000000c0); clrbits32(&cp->cp_pedir, 0x000000c0); clrbits32(&cp->cp_peso, 0x00000040); setbits32(&cp->cp_peso, 0x00000080); immr_unmap(cp); - bcsr_io = ioremap(BCSR1, sizeof(unsigned long)); + bcsr_io = ioremap(BCSR1, sizeof(unsigned long)); - if (bcsr_io == NULL) { - printk(KERN_CRIT "Could not remap BCSR1\n"); - return; - } - clrbits32(bcsr_io,BCSR1_RS232EN_1); - iounmap(bcsr_io); + if (bcsr_io == NULL) { + printk(KERN_CRIT "Could not remap BCSR1\n"); + return; + } + clrbits32(bcsr_io, BCSR1_RS232EN_1); + iounmap(bcsr_io); } -static void init_smc2_uart_ioports(struct fs_uart_platform_info* fpi) +static void init_smc2_uart_ioports(struct fs_uart_platform_info *fpi) { - unsigned *bcsr_io; + unsigned *bcsr_io; cpm8xx_t *cp; - cp = (cpm8xx_t *)immr_map(im_cpm); + cp = (cpm8xx_t *) immr_map(im_cpm); setbits32(&cp->cp_pepar, 0x00000c00); clrbits32(&cp->cp_pedir, 0x00000c00); clrbits32(&cp->cp_peso, 0x00000400); setbits32(&cp->cp_peso, 0x00000800); immr_unmap(cp); - bcsr_io = ioremap(BCSR1, sizeof(unsigned long)); + bcsr_io = ioremap(BCSR1, sizeof(unsigned long)); - if (bcsr_io == NULL) { - printk(KERN_CRIT "Could not remap BCSR1\n"); - return; - } - clrbits32(bcsr_io,BCSR1_RS232EN_2); - iounmap(bcsr_io); + if (bcsr_io == NULL) { + printk(KERN_CRIT "Could not remap BCSR1\n"); + return; + } + clrbits32(bcsr_io, BCSR1_RS232EN_2); + iounmap(bcsr_io); } void init_smc_ioports(struct fs_uart_platform_info *data) @@ -373,15 +439,11 @@ static int __init mpc885ads_probe(void) return 1; } -define_machine(mpc885_ads) { - .name = "MPC885 ADS", - .probe = mpc885ads_probe, - .setup_arch = mpc885ads_setup_arch, - .init_IRQ = m8xx_pic_init, - .show_cpuinfo = mpc8xx_show_cpuinfo, - .get_irq = mpc8xx_get_irq, - .restart = mpc8xx_restart, - .calibrate_decr = mpc8xx_calibrate_decr, - .set_rtc_time = mpc8xx_set_rtc_time, - .get_rtc_time = mpc8xx_get_rtc_time, -}; +define_machine(mpc885_ads) +{ +.name = "MPC885 ADS",.probe = mpc885ads_probe,.setup_arch = + mpc885ads_setup_arch,.init_IRQ = + m8xx_pic_init,.show_cpuinfo = mpc8xx_show_cpuinfo,.get_irq = + mpc8xx_get_irq,.restart = mpc8xx_restart,.calibrate_decr = + mpc8xx_calibrate_decr,.set_rtc_time = + mpc8xx_set_rtc_time,.get_rtc_time = mpc8xx_get_rtc_time,}; diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig index 361acfa..33545d3 100644 --- a/arch/powerpc/platforms/Kconfig +++ b/arch/powerpc/platforms/Kconfig @@ -2,7 +2,7 @@ menu "Platform support" choice prompt "Machine type" - depends on PPC64 || CLASSIC32 + depends on PPC64 || 6xx default PPC_MULTIPLATFORM config PPC_MULTIPLATFORM @@ -16,15 +16,30 @@ config EMBEDDED6xx bool "Embedded 6xx/7xx/7xxx-based board" depends on PPC32 && (BROKEN||BROKEN_ON_SMP) -config APUS - bool "Amiga-APUS" - depends on PPC32 && BROKEN +config PPC_82xx + bool "Freescale 82xx" + depends on 6xx + +config PPC_83xx + bool "Freescale 83xx" + depends on 6xx + select FSL_SOC + select 83xx + select WANT_DEVICE_TREE + +config PPC_86xx + bool "Freescale 86xx" + depends on 6xx + select FSL_SOC + select ALTIVEC help - Select APUS if configuring for a PowerUP Amiga. - More information is available at: - <http://linux-apus.sourceforge.net/>. + The Freescale E600 SoCs have 74xx cores. endchoice +config CLASSIC32 + def_bool y + depends on 6xx && PPC_MULTIPLATFORM + source "arch/powerpc/platforms/pseries/Kconfig" source "arch/powerpc/platforms/iseries/Kconfig" source "arch/powerpc/platforms/chrp/Kconfig" diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype new file mode 100644 index 0000000..b8b5fde94 --- /dev/null +++ b/arch/powerpc/platforms/Kconfig.cputype @@ -0,0 +1,221 @@ +config PPC64 + bool "64-bit kernel" + default n + help + This option selects whether a 32-bit or a 64-bit kernel + will be built. + +menu "Processor support" +choice + prompt "Processor Type" + depends on PPC32 + default 6xx + help + There are five families of 32 bit PowerPC chips supported. + The most common ones are the desktop and server CPUs (601, 603, + 604, 740, 750, 74xx) CPUs from Freescale and IBM, with their + embedded 52xx/82xx/83xx/86xx counterparts. + The other embeeded parts, namely 4xx, 8xx, e200 (55xx) and e500 + (85xx) each form a family of their own that is not compatible + with the others. + + If unsure, select 52xx/6xx/7xx/74xx/82xx/83xx/86xx. + +config 6xx + bool "52xx/6xx/7xx/74xx/82xx/83xx/86xx" + select PPC_FPU + +config PPC_85xx + bool "Freescale 85xx" + select E500 + select FSL_SOC + select 85xx + select WANT_DEVICE_TREE + +config PPC_8xx + bool "Freescale 8xx" + select FSL_SOC + select 8xx + +config 40x + bool "AMCC 40x" + select PPC_DCR_NATIVE + +config 44x + bool "AMCC 44x" + select PPC_DCR_NATIVE + select WANT_DEVICE_TREE + +config E200 + bool "Freescale e200" + +endchoice + +config POWER4_ONLY + bool "Optimize for POWER4" + depends on PPC64 + default n + ---help--- + Cause the compiler to optimize for POWER4/POWER5/PPC970 processors. + The resulting binary will not work on POWER3 or RS64 processors + when compiled with binutils 2.15 or later. + +config POWER3 + bool + depends on PPC64 + default y if !POWER4_ONLY + +config POWER4 + depends on PPC64 + def_bool y + +config 6xx + bool + +# this is temp to handle compat with arch=ppc +config 8xx + bool + +# this is temp to handle compat with arch=ppc +config 83xx + bool + +# this is temp to handle compat with arch=ppc +config 85xx + bool + +config E500 + bool + +config PPC_FPU + bool + default y if PPC64 + +config 4xx + bool + depends on 40x || 44x + default y + +config BOOKE + bool + depends on E200 || E500 || 44x + default y + +config FSL_BOOKE + bool + depends on E200 || E500 + default y + +config PTE_64BIT + bool + depends on 44x || E500 + default y if 44x + default y if E500 && PHYS_64BIT + +config PHYS_64BIT + bool 'Large physical address support' if E500 + depends on 44x || E500 + select RESOURCES_64BIT + default y if 44x + ---help--- + This option enables kernel support for larger than 32-bit physical + addresses. This features is not be available on all e500 cores. + + If in doubt, say N here. + +config ALTIVEC + bool "AltiVec Support" + depends on CLASSIC32 || POWER4 + ---help--- + This option enables kernel support for the Altivec extensions to the + PowerPC processor. The kernel currently supports saving and restoring + altivec registers, and turning on the 'altivec enable' bit so user + processes can execute altivec instructions. + + This option is only usefully if you have a processor that supports + altivec (G4, otherwise known as 74xx series), but does not have + any affect on a non-altivec cpu (it does, however add code to the + kernel). + + If in doubt, say Y here. + +config SPE + bool "SPE Support" + depends on E200 || E500 + default y + ---help--- + This option enables kernel support for the Signal Processing + Extensions (SPE) to the PowerPC processor. The kernel currently + supports saving and restoring SPE registers, and turning on the + 'spe enable' bit so user processes can execute SPE instructions. + + This option is only useful if you have a processor that supports + SPE (e500, otherwise known as 85xx series), but does not have any + effect on a non-spe cpu (it does, however add code to the kernel). + + If in doubt, say Y here. + +config PPC_STD_MMU + bool + depends on 6xx || POWER3 || POWER4 || PPC64 + default y + +config PPC_STD_MMU_32 + def_bool y + depends on PPC_STD_MMU && PPC32 + +config PPC_MM_SLICES + bool + default y if HUGETLB_PAGE + default n + +config VIRT_CPU_ACCOUNTING + bool "Deterministic task and CPU time accounting" + depends on PPC64 + default y + help + Select this option to enable more accurate task and CPU time + accounting. This is done by reading a CPU counter on each + kernel entry and exit and on transitions within the kernel + between system, softirq and hardirq state, so there is a + small performance impact. This also enables accounting of + stolen time on logically-partitioned systems running on + IBM POWER5-based machines. + + If in doubt, say Y here. + +config SMP + depends on PPC_STD_MMU + bool "Symmetric multi-processing support" + ---help--- + This enables support for systems with more than one CPU. If you have + a system with only one CPU, say N. If you have a system with more + than one CPU, say Y. Note that the kernel does not currently + support SMP machines with 603/603e/603ev or PPC750 ("G3") processors + since they have inadequate hardware support for multiprocessor + operation. + + If you say N here, the kernel will run on single and multiprocessor + machines, but will use only one CPU of a multiprocessor machine. If + you say Y here, the kernel will run on single-processor machines. + On a single-processor machine, the kernel will run faster if you say + N here. + + If you don't know what to do here, say N. + +config NR_CPUS + int "Maximum number of CPUs (2-128)" + range 2 128 + depends on SMP + default "32" if PPC64 + default "4" + +config NOT_COHERENT_CACHE + bool + depends on 4xx || 8xx || E200 + default y + +config CONFIG_CHECK_CACHE_COHERENCY + bool + +endmenu diff --git a/arch/powerpc/platforms/apus/Kconfig b/arch/powerpc/platforms/apus/Kconfig deleted file mode 100644 index 6bde3bf..0000000 --- a/arch/powerpc/platforms/apus/Kconfig +++ /dev/null @@ -1,130 +0,0 @@ - -config AMIGA - bool - depends on APUS - default y - help - This option enables support for the Amiga series of computers. - -config ZORRO - bool - depends on APUS - default y - help - This enables support for the Zorro bus in the Amiga. If you have - expansion cards in your Amiga that conform to the Amiga - AutoConfig(tm) specification, say Y, otherwise N. Note that even - expansion cards that do not fit in the Zorro slots but fit in e.g. - the CPU slot may fall in this category, so you have to say Y to let - Linux use these. - -config ABSTRACT_CONSOLE - bool - depends on APUS - default y - -config APUS_FAST_EXCEPT - bool - depends on APUS - default y - -config AMIGA_PCMCIA - bool "Amiga 1200/600 PCMCIA support" - depends on APUS && EXPERIMENTAL - help - Include support in the kernel for pcmcia on Amiga 1200 and Amiga - 600. If you intend to use pcmcia cards say Y; otherwise say N. - -config AMIGA_BUILTIN_SERIAL - tristate "Amiga builtin serial support" - depends on APUS - help - If you want to use your Amiga's built-in serial port in Linux, - answer Y. - - To compile this driver as a module, choose M here. - -config GVPIOEXT - tristate "GVP IO-Extender support" - depends on APUS - help - If you want to use a GVP IO-Extender serial card in Linux, say Y. - Otherwise, say N. - -config GVPIOEXT_LP - tristate "GVP IO-Extender parallel printer support" - depends on GVPIOEXT - help - Say Y to enable driving a printer from the parallel port on your - GVP IO-Extender card, N otherwise. - -config GVPIOEXT_PLIP - tristate "GVP IO-Extender PLIP support" - depends on GVPIOEXT - help - Say Y to enable doing IP over the parallel port on your GVP - IO-Extender card, N otherwise. - -config MULTIFACE_III_TTY - tristate "Multiface Card III serial support" - depends on APUS - help - If you want to use a Multiface III card's serial port in Linux, - answer Y. - - To compile this driver as a module, choose M here. - -config A2232 - tristate "Commodore A2232 serial support (EXPERIMENTAL)" - depends on EXPERIMENTAL && APUS - ---help--- - This option supports the 2232 7-port serial card shipped with the - Amiga 2000 and other Zorro-bus machines, dating from 1989. At - a max of 19,200 bps, the ports are served by a 6551 ACIA UART chip - each, plus a 8520 CIA, and a master 6502 CPU and buffer as well. The - ports were connected with 8 pin DIN connectors on the card bracket, - for which 8 pin to DB25 adapters were supplied. The card also had - jumpers internally to toggle various pinning configurations. - - This driver can be built as a module; but then "generic_serial" - will also be built as a module. This has to be loaded before - "ser_a2232". If you want to do this, answer M here. - -config WHIPPET_SERIAL - tristate "Hisoft Whippet PCMCIA serial support" - depends on AMIGA_PCMCIA - help - HiSoft has a web page at <http://www.hisoft.co.uk/>, but there - is no listing for the Whippet in their Amiga section. - -config APNE - tristate "PCMCIA NE2000 support" - depends on AMIGA_PCMCIA - help - If you have a PCMCIA NE2000 compatible adapter, say Y. Otherwise, - say N. - - To compile this driver as a module, choose M here: the - module will be called apne. - -config SERIAL_CONSOLE - bool "Support for serial port console" - depends on APUS && (AMIGA_BUILTIN_SERIAL=y || GVPIOEXT=y || MULTIFACE_III_TTY=y) - -config HEARTBEAT - bool "Use power LED as a heartbeat" - depends on APUS - help - Use the power-on LED on your machine as a load meter. The exact - behavior is platform-dependent, but normally the flash frequency is - a hyperbolic function of the 5-minute load average. - -config PROC_HARDWARE - bool "/proc/hardware support" - depends on APUS - -source "drivers/zorro/Kconfig" - -config PCI_PERMEDIA - bool "PCI for Permedia2" - depends on !4xx && !8xx && APUS diff --git a/arch/powerpc/platforms/cell/io-workarounds.c b/arch/powerpc/platforms/cell/io-workarounds.c index 7fb92f2..9d7c2ef 100644 --- a/arch/powerpc/platforms/cell/io-workarounds.c +++ b/arch/powerpc/platforms/cell/io-workarounds.c @@ -102,7 +102,7 @@ static void spider_io_flush(const volatile void __iomem *addr) vaddr = (unsigned long)PCI_FIX_ADDR(addr); /* Check if it's in allowed range for PIO */ - if (vaddr < PHBS_IO_BASE || vaddr >= IMALLOC_BASE) + if (vaddr < PHB_IO_BASE || vaddr > PHB_IO_END) return; /* Try to find a PTE. If not, clear the paddr, we'll do diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c index a7f5a76..96a8f60 100644 --- a/arch/powerpc/platforms/cell/spu_base.c +++ b/arch/powerpc/platforms/cell/spu_base.c @@ -31,6 +31,7 @@ #include <linux/mm.h> #include <linux/io.h> #include <linux/mutex.h> +#include <linux/linux_logo.h> #include <asm/spu.h> #include <asm/spu_priv1.h> #include <asm/xmon.h> @@ -183,7 +184,7 @@ static int __spu_trap_data_seg(struct spu *spu, unsigned long ea) spu->slb_replace = 0; spu_restart_dma(spu); - + spu->stats.slb_flt++; return 0; } @@ -332,6 +333,7 @@ spu_irq_class_2(int irq, void *data) if (stat & 0x10) /* SPU mailbox threshold */ spu->wbox_callback(spu); + spu->stats.class2_intr++; return stat ? IRQ_HANDLED : IRQ_NONE; } @@ -462,8 +464,18 @@ void spu_free(struct spu *spu) } EXPORT_SYMBOL_GPL(spu_free); +static int spu_shutdown(struct sys_device *sysdev) +{ + struct spu *spu = container_of(sysdev, struct spu, sysdev); + + spu_free_irqs(spu); + spu_destroy_spu(spu); + return 0; +} + struct sysdev_class spu_sysdev_class = { - set_kset_name("spu") + set_kset_name("spu"), + .shutdown = spu_shutdown, }; int spu_add_sysdev_attr(struct sysdev_attribute *attr) @@ -574,6 +586,9 @@ static int __init create_spu(void *data) spin_unlock_irqrestore(&spu_list_lock, flags); mutex_unlock(&spu_mutex); + spu->stats.utilization_state = SPU_UTIL_IDLE; + spu->stats.tstamp = jiffies; + goto out; out_free_irqs: @@ -586,6 +601,45 @@ out: return ret; } +static const char *spu_state_names[] = { + "user", "system", "iowait", "idle" +}; + +static unsigned long long spu_acct_time(struct spu *spu, + enum spu_utilization_state state) +{ + unsigned long long time = spu->stats.times[state]; + + if (spu->stats.utilization_state == state) + time += jiffies - spu->stats.tstamp; + + return jiffies_to_msecs(time); +} + + +static ssize_t spu_stat_show(struct sys_device *sysdev, char *buf) +{ + struct spu *spu = container_of(sysdev, struct spu, sysdev); + + return sprintf(buf, "%s %llu %llu %llu %llu " + "%llu %llu %llu %llu %llu %llu %llu %llu\n", + spu_state_names[spu->stats.utilization_state], + spu_acct_time(spu, SPU_UTIL_USER), + spu_acct_time(spu, SPU_UTIL_SYSTEM), + spu_acct_time(spu, SPU_UTIL_IOWAIT), + spu_acct_time(spu, SPU_UTIL_IDLE), + spu->stats.vol_ctx_switch, + spu->stats.invol_ctx_switch, + spu->stats.slb_flt, + spu->stats.hash_flt, + spu->stats.min_flt, + spu->stats.maj_flt, + spu->stats.class2_intr, + spu->stats.libassist); +} + +static SYSDEV_ATTR(stat, 0644, spu_stat_show, NULL); + static int __init init_spu_base(void) { int i, ret = 0; @@ -603,14 +657,28 @@ static int __init init_spu_base(void) ret = spu_enumerate_spus(create_spu); - if (ret) { + if (ret < 0) { printk(KERN_WARNING "%s: Error initializing spus\n", __FUNCTION__); goto out_unregister_sysdev_class; } + if (ret > 0) { + /* + * We cannot put the forward declaration in + * <linux/linux_logo.h> because of conflicting session type + * conflicts for const and __initdata with different compiler + * versions + */ + extern const struct linux_logo logo_spe_clut224; + + fb_append_extra_logo(&logo_spe_clut224, ret); + } + xmon_register_spus(&spu_full_list); + spu_add_sysdev_attr(&attr_stat); + return 0; out_unregister_sysdev_class: diff --git a/arch/powerpc/platforms/cell/spu_manage.c b/arch/powerpc/platforms/cell/spu_manage.c index 1d4562a..75ed50f 100644 --- a/arch/powerpc/platforms/cell/spu_manage.c +++ b/arch/powerpc/platforms/cell/spu_manage.c @@ -279,6 +279,7 @@ static int __init of_enumerate_spus(int (*fn)(void *data)) { int ret; struct device_node *node; + unsigned int n = 0; ret = -ENODEV; for (node = of_find_node_by_type(NULL, "spe"); @@ -289,8 +290,9 @@ static int __init of_enumerate_spus(int (*fn)(void *data)) __FUNCTION__, node->name); break; } + n++; } - return ret; + return ret ? ret : n; } static int __init of_create_spu(struct spu *spu, void *data) diff --git a/arch/powerpc/platforms/cell/spufs/backing_ops.c b/arch/powerpc/platforms/cell/spufs/backing_ops.c index d32db9f..07a0e81 100644 --- a/arch/powerpc/platforms/cell/spufs/backing_ops.c +++ b/arch/powerpc/platforms/cell/spufs/backing_ops.c @@ -320,6 +320,12 @@ static int spu_backing_set_mfc_query(struct spu_context * ctx, u32 mask, /* FIXME: what are the side-effects of this? */ prob->dma_querymask_RW = mask; prob->dma_querytype_RW = mode; + /* In the current implementation, the SPU context is always + * acquired in runnable state when new bits are added to the + * mask (tagwait), so it's sufficient just to mask + * dma_tagstatus_R with the 'mask' parameter here. + */ + ctx->csa.prob.dma_tagstatus_R &= mask; out: spin_unlock(&ctx->csa.register_lock); diff --git a/arch/powerpc/platforms/cell/spufs/context.c b/arch/powerpc/platforms/cell/spufs/context.c index 7c51cb5..6d7bd60 100644 --- a/arch/powerpc/platforms/cell/spufs/context.c +++ b/arch/powerpc/platforms/cell/spufs/context.c @@ -23,10 +23,14 @@ #include <linux/fs.h> #include <linux/mm.h> #include <linux/slab.h> +#include <asm/atomic.h> #include <asm/spu.h> #include <asm/spu_csa.h> #include "spufs.h" + +atomic_t nr_spu_contexts = ATOMIC_INIT(0); + struct spu_context *alloc_spu_context(struct spu_gang *gang) { struct spu_context *ctx; @@ -53,10 +57,12 @@ struct spu_context *alloc_spu_context(struct spu_gang *gang) INIT_LIST_HEAD(&ctx->rq); if (gang) spu_gang_add_ctx(gang, ctx); - ctx->rt_priority = current->rt_priority; - ctx->policy = current->policy; - ctx->prio = current->prio; - INIT_DELAYED_WORK(&ctx->sched_work, spu_sched_tick); + ctx->cpus_allowed = current->cpus_allowed; + spu_set_timeslice(ctx); + ctx->stats.execution_state = SPUCTX_UTIL_USER; + ctx->stats.tstamp = jiffies; + + atomic_inc(&nr_spu_contexts); goto out; out_free: kfree(ctx); @@ -76,6 +82,7 @@ void destroy_spu_context(struct kref *kref) if (ctx->gang) spu_gang_remove_ctx(ctx->gang, ctx); BUG_ON(!list_empty(&ctx->rq)); + atomic_dec(&nr_spu_contexts); kfree(ctx); } diff --git a/arch/powerpc/platforms/cell/spufs/fault.c b/arch/powerpc/platforms/cell/spufs/fault.c index 0f75c07..e064d0c 100644 --- a/arch/powerpc/platforms/cell/spufs/fault.c +++ b/arch/powerpc/platforms/cell/spufs/fault.c @@ -33,7 +33,8 @@ * function. Currently, there are a few corner cases that we haven't had * to handle fortunately. */ -static int spu_handle_mm_fault(struct mm_struct *mm, unsigned long ea, unsigned long dsisr) +static int spu_handle_mm_fault(struct mm_struct *mm, unsigned long ea, + unsigned long dsisr, unsigned *flt) { struct vm_area_struct *vma; unsigned long is_write; @@ -73,7 +74,8 @@ good_area: goto bad_area; } ret = 0; - switch (handle_mm_fault(mm, vma, ea, is_write)) { + *flt = handle_mm_fault(mm, vma, ea, is_write); + switch (*flt) { case VM_FAULT_MINOR: current->min_flt++; break; @@ -153,6 +155,7 @@ int spufs_handle_class1(struct spu_context *ctx) { u64 ea, dsisr, access; unsigned long flags; + unsigned flt = 0; int ret; /* @@ -178,9 +181,17 @@ int spufs_handle_class1(struct spu_context *ctx) if (!(dsisr & (MFC_DSISR_PTE_NOT_FOUND | MFC_DSISR_ACCESS_DENIED))) return 0; + spuctx_switch_state(ctx, SPUCTX_UTIL_IOWAIT); + pr_debug("ctx %p: ea %016lx, dsisr %016lx state %d\n", ctx, ea, dsisr, ctx->state); + ctx->stats.hash_flt++; + if (ctx->state == SPU_STATE_RUNNABLE) { + ctx->spu->stats.hash_flt++; + spu_switch_state(ctx->spu, SPU_UTIL_IOWAIT); + } + /* we must not hold the lock when entering spu_handle_mm_fault */ spu_release(ctx); @@ -192,7 +203,7 @@ int spufs_handle_class1(struct spu_context *ctx) /* hashing failed, so try the actual fault handler */ if (ret) - ret = spu_handle_mm_fault(current->mm, ea, dsisr); + ret = spu_handle_mm_fault(current->mm, ea, dsisr, &flt); spu_acquire(ctx); /* @@ -201,11 +212,23 @@ int spufs_handle_class1(struct spu_context *ctx) * In case of unhandled error report the problem to user space. */ if (!ret) { + if (flt == VM_FAULT_MINOR) + ctx->stats.min_flt++; + else + ctx->stats.maj_flt++; + if (ctx->state == SPU_STATE_RUNNABLE) { + if (flt == VM_FAULT_MINOR) + ctx->spu->stats.min_flt++; + else + ctx->spu->stats.maj_flt++; + } + if (ctx->spu) ctx->ops->restart_dma(ctx); } else spufs_handle_dma_error(ctx, ea, SPE_EVENT_SPE_DATA_STORAGE); + spuctx_switch_state(ctx, SPUCTX_UTIL_SYSTEM); return ret; } EXPORT_SYMBOL_GPL(spufs_handle_class1); diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c index b1e7e2f..c2814ea 100644 --- a/arch/powerpc/platforms/cell/spufs/file.c +++ b/arch/powerpc/platforms/cell/spufs/file.c @@ -28,6 +28,7 @@ #include <linux/pagemap.h> #include <linux/poll.h> #include <linux/ptrace.h> +#include <linux/seq_file.h> #include <asm/io.h> #include <asm/semaphore.h> @@ -39,6 +40,7 @@ #define SPUFS_MMAP_4K (PAGE_SIZE == 0x1000) + static int spufs_mem_open(struct inode *inode, struct file *file) { @@ -216,12 +218,12 @@ unsigned long spufs_get_unmapped_area(struct file *file, unsigned long addr, #endif /* CONFIG_SPU_FS_64K_LS */ static const struct file_operations spufs_mem_fops = { - .open = spufs_mem_open, - .release = spufs_mem_release, - .read = spufs_mem_read, - .write = spufs_mem_write, - .llseek = generic_file_llseek, - .mmap = spufs_mem_mmap, + .open = spufs_mem_open, + .release = spufs_mem_release, + .read = spufs_mem_read, + .write = spufs_mem_write, + .llseek = generic_file_llseek, + .mmap = spufs_mem_mmap, #ifdef CONFIG_SPU_FS_64K_LS .get_unmapped_area = spufs_get_unmapped_area, #endif @@ -1497,14 +1499,15 @@ static ssize_t spufs_mfc_write(struct file *file, const char __user *buffer, if (status) ret = status; } - spu_release(ctx); if (ret) - goto out; + goto out_unlock; ctx->tagwait |= 1 << cmd.tag; ret = size; +out_unlock: + spu_release(ctx); out: return ret; } @@ -1515,14 +1518,14 @@ static unsigned int spufs_mfc_poll(struct file *file,poll_table *wait) u32 free_elements, tagstatus; unsigned int mask; + poll_wait(file, &ctx->mfc_wq, wait); + spu_acquire(ctx); ctx->ops->set_mfc_query(ctx, ctx->tagwait, 2); free_elements = ctx->ops->get_mfc_free_elements(ctx); tagstatus = ctx->ops->read_mfc_tagstatus(ctx); spu_release(ctx); - poll_wait(file, &ctx->mfc_wq, wait); - mask = 0; if (free_elements & 0xffff) mask |= POLLOUT | POLLWRNORM; @@ -1797,6 +1800,29 @@ static int spufs_info_open(struct inode *inode, struct file *file) return 0; } +static int spufs_caps_show(struct seq_file *s, void *private) +{ + struct spu_context *ctx = s->private; + + if (!(ctx->flags & SPU_CREATE_NOSCHED)) + seq_puts(s, "sched\n"); + if (!(ctx->flags & SPU_CREATE_ISOLATE)) + seq_puts(s, "step\n"); + return 0; +} + +static int spufs_caps_open(struct inode *inode, struct file *file) +{ + return single_open(file, spufs_caps_show, SPUFS_I(inode)->i_ctx); +} + +static const struct file_operations spufs_caps_fops = { + .open = spufs_caps_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + static ssize_t __spufs_mbox_info_read(struct spu_context *ctx, char __user *buf, size_t len, loff_t *pos) { @@ -2014,7 +2040,105 @@ static const struct file_operations spufs_proxydma_info_fops = { .read = spufs_proxydma_info_read, }; +static int spufs_show_tid(struct seq_file *s, void *private) +{ + struct spu_context *ctx = s->private; + + seq_printf(s, "%d\n", ctx->tid); + return 0; +} + +static int spufs_tid_open(struct inode *inode, struct file *file) +{ + return single_open(file, spufs_show_tid, SPUFS_I(inode)->i_ctx); +} + +static const struct file_operations spufs_tid_fops = { + .open = spufs_tid_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static const char *ctx_state_names[] = { + "user", "system", "iowait", "loaded" +}; + +static unsigned long long spufs_acct_time(struct spu_context *ctx, + enum spuctx_execution_state state) +{ + unsigned long time = ctx->stats.times[state]; + + if (ctx->stats.execution_state == state) + time += jiffies - ctx->stats.tstamp; + + return jiffies_to_msecs(time); +} + +static unsigned long long spufs_slb_flts(struct spu_context *ctx) +{ + unsigned long long slb_flts = ctx->stats.slb_flt; + + if (ctx->state == SPU_STATE_RUNNABLE) { + slb_flts += (ctx->spu->stats.slb_flt - + ctx->stats.slb_flt_base); + } + + return slb_flts; +} + +static unsigned long long spufs_class2_intrs(struct spu_context *ctx) +{ + unsigned long long class2_intrs = ctx->stats.class2_intr; + + if (ctx->state == SPU_STATE_RUNNABLE) { + class2_intrs += (ctx->spu->stats.class2_intr - + ctx->stats.class2_intr_base); + } + + return class2_intrs; +} + + +static int spufs_show_stat(struct seq_file *s, void *private) +{ + struct spu_context *ctx = s->private; + + spu_acquire(ctx); + seq_printf(s, "%s %llu %llu %llu %llu " + "%llu %llu %llu %llu %llu %llu %llu %llu\n", + ctx_state_names[ctx->stats.execution_state], + spufs_acct_time(ctx, SPUCTX_UTIL_USER), + spufs_acct_time(ctx, SPUCTX_UTIL_SYSTEM), + spufs_acct_time(ctx, SPUCTX_UTIL_IOWAIT), + spufs_acct_time(ctx, SPUCTX_UTIL_LOADED), + ctx->stats.vol_ctx_switch, + ctx->stats.invol_ctx_switch, + spufs_slb_flts(ctx), + ctx->stats.hash_flt, + ctx->stats.min_flt, + ctx->stats.maj_flt, + spufs_class2_intrs(ctx), + ctx->stats.libassist); + spu_release(ctx); + return 0; +} + +static int spufs_stat_open(struct inode *inode, struct file *file) +{ + return single_open(file, spufs_show_stat, SPUFS_I(inode)->i_ctx); +} + +static const struct file_operations spufs_stat_fops = { + .open = spufs_stat_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + + struct tree_descr spufs_dir_contents[] = { + { "capabilities", &spufs_caps_fops, 0444, }, { "mem", &spufs_mem_fops, 0666, }, { "regs", &spufs_regs_fops, 0666, }, { "mbox", &spufs_mbox_fops, 0444, }, @@ -2046,10 +2170,13 @@ struct tree_descr spufs_dir_contents[] = { { "wbox_info", &spufs_wbox_info_fops, 0444, }, { "dma_info", &spufs_dma_info_fops, 0444, }, { "proxydma_info", &spufs_proxydma_info_fops, 0444, }, + { "tid", &spufs_tid_fops, 0444, }, + { "stat", &spufs_stat_fops, 0444, }, {}, }; struct tree_descr spufs_dir_nosched_contents[] = { + { "capabilities", &spufs_caps_fops, 0444, }, { "mem", &spufs_mem_fops, 0666, }, { "mbox", &spufs_mbox_fops, 0444, }, { "ibox", &spufs_ibox_fops, 0444, }, @@ -2068,6 +2195,8 @@ struct tree_descr spufs_dir_nosched_contents[] = { { "psmap", &spufs_psmap_fops, 0666, }, { "phys-id", &spufs_id_ops, 0666, }, { "object-id", &spufs_object_id_ops, 0666, }, + { "tid", &spufs_tid_fops, 0444, }, + { "stat", &spufs_stat_fops, 0444, }, {}, }; diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c index 9807206..f37460e 100644 --- a/arch/powerpc/platforms/cell/spufs/inode.c +++ b/arch/powerpc/platforms/cell/spufs/inode.c @@ -232,10 +232,6 @@ static int spufs_dir_close(struct inode *inode, struct file *file) return dcache_dir_close(inode, file); } -const struct inode_operations spufs_dir_inode_operations = { - .lookup = simple_lookup, -}; - const struct file_operations spufs_context_fops = { .open = dcache_dir_open, .release = spufs_dir_close, @@ -269,7 +265,7 @@ spufs_mkdir(struct inode *dir, struct dentry *dentry, unsigned int flags, goto out_iput; ctx->flags = flags; - inode->i_op = &spufs_dir_inode_operations; + inode->i_op = &simple_dir_inode_operations; inode->i_fop = &simple_dir_operations; if (flags & SPU_CREATE_NOSCHED) ret = spufs_fill_dir(dentry, spufs_dir_nosched_contents, @@ -386,7 +382,7 @@ spufs_mkgang(struct inode *dir, struct dentry *dentry, int mode) if (!gang) goto out_iput; - inode->i_op = &spufs_dir_inode_operations; + inode->i_op = &simple_dir_inode_operations; inode->i_fop = &simple_dir_operations; d_instantiate(dentry, inode); @@ -593,7 +589,7 @@ spufs_create_root(struct super_block *sb, void *data) if (!inode) goto out; - inode->i_op = &spufs_dir_inode_operations; + inode->i_op = &simple_dir_inode_operations; inode->i_fop = &simple_dir_operations; SPUFS_I(inode)->i_ctx = NULL; diff --git a/arch/powerpc/platforms/cell/spufs/run.c b/arch/powerpc/platforms/cell/spufs/run.c index 5762660..58ae13b 100644 --- a/arch/powerpc/platforms/cell/spufs/run.c +++ b/arch/powerpc/platforms/cell/spufs/run.c @@ -29,7 +29,8 @@ static inline int spu_stopped(struct spu_context *ctx, u32 * stat) spu = ctx->spu; pte_fault = spu->dsisr & (MFC_DSISR_PTE_NOT_FOUND | MFC_DSISR_ACCESS_DENIED); - return (!(*stat & 0x1) || pte_fault || spu->class_0_pending) ? 1 : 0; + return (!(*stat & SPU_STATUS_RUNNING) || pte_fault || spu->class_0_pending) ? + 1 : 0; } static int spu_setup_isolated(struct spu_context *ctx) @@ -142,8 +143,11 @@ static int spu_run_init(struct spu_context *ctx, u32 * npc) runcntl = SPU_RUNCNTL_RUNNABLE; ctx->ops->runcntl_write(ctx, runcntl); } else { - spu_start_tick(ctx); + unsigned long mode = SPU_PRIVCNTL_MODE_NORMAL; ctx->ops->npc_write(ctx, *npc); + if (test_thread_flag(TIF_SINGLESTEP)) + mode = SPU_PRIVCNTL_MODE_SINGLE_STEP; + out_be64(&ctx->spu->priv2->spu_privcntl_RW, mode); ctx->ops->runcntl_write(ctx, SPU_RUNCNTL_RUNNABLE); } @@ -155,7 +159,6 @@ static int spu_run_fini(struct spu_context *ctx, u32 * npc, { int ret = 0; - spu_stop_tick(ctx); *status = ctx->ops->status_read(ctx); *npc = ctx->ops->npc_read(ctx); spu_release(ctx); @@ -298,9 +301,22 @@ long spufs_run_spu(struct file *file, struct spu_context *ctx, ctx->ops->master_start(ctx); ctx->event_return = 0; - ret = spu_acquire_runnable(ctx, 0); - if (ret) - return ret; + spu_acquire(ctx); + if (ctx->state == SPU_STATE_SAVED) { + __spu_update_sched_info(ctx); + + ret = spu_activate(ctx, 0); + if (ret) { + spu_release(ctx); + goto out; + } + } else { + /* + * We have to update the scheduling priority under active_mutex + * to protect against find_victim(). + */ + spu_update_sched_info(ctx); + } ret = spu_run_init(ctx, npc); if (ret) { @@ -325,16 +341,20 @@ long spufs_run_spu(struct file *file, struct spu_context *ctx, if (unlikely(ctx->state != SPU_STATE_RUNNABLE)) { ret = spu_reacquire_runnable(ctx, npc, &status); - if (ret) { - spu_stop_tick(ctx); + if (ret) goto out2; - } continue; } ret = spu_process_events(ctx); } while (!ret && !(status & (SPU_STATUS_STOPPED_BY_STOP | - SPU_STATUS_STOPPED_BY_HALT))); + SPU_STATUS_STOPPED_BY_HALT | + SPU_STATUS_SINGLE_STEP))); + + if ((status & SPU_STATUS_STOPPED_BY_STOP) && + (((status >> SPU_STOP_STATUS_SHIFT) & 0x3f00) == 0x2100) && + (ctx->state == SPU_STATE_RUNNABLE)) + ctx->stats.libassist++; ctx->ops->master_stop(ctx); ret = spu_run_fini(ctx, npc, &status); @@ -344,10 +364,15 @@ out2: if ((ret == 0) || ((ret == -ERESTARTSYS) && ((status & SPU_STATUS_STOPPED_BY_HALT) || + (status & SPU_STATUS_SINGLE_STEP) || ((status & SPU_STATUS_STOPPED_BY_STOP) && (status >> SPU_STOP_STATUS_SHIFT != 0x2104))))) ret = status; + /* Note: we don't need to force_sig SIGTRAP on single-step + * since we have TIF_SINGLESTEP set, thus the kernel will do + * it upon return from the syscall anyawy + */ if ((status & SPU_STATUS_STOPPED_BY_STOP) && (status >> SPU_STOP_STATUS_SHIFT) == 0x3fff) { force_sig(SIGTRAP, current); diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c index 3b831e0..e5b4dd1 100644 --- a/arch/powerpc/platforms/cell/spufs/sched.c +++ b/arch/powerpc/platforms/cell/spufs/sched.c @@ -35,6 +35,10 @@ #include <linux/numa.h> #include <linux/mutex.h> #include <linux/notifier.h> +#include <linux/kthread.h> +#include <linux/pid_namespace.h> +#include <linux/proc_fs.h> +#include <linux/seq_file.h> #include <asm/io.h> #include <asm/mmu_context.h> @@ -43,54 +47,126 @@ #include <asm/spu_priv1.h> #include "spufs.h" -#define SPU_TIMESLICE (HZ) - struct spu_prio_array { DECLARE_BITMAP(bitmap, MAX_PRIO); struct list_head runq[MAX_PRIO]; spinlock_t runq_lock; struct list_head active_list[MAX_NUMNODES]; struct mutex active_mutex[MAX_NUMNODES]; + int nr_active[MAX_NUMNODES]; + int nr_waiting; }; +static unsigned long spu_avenrun[3]; static struct spu_prio_array *spu_prio; -static struct workqueue_struct *spu_sched_wq; +static struct task_struct *spusched_task; +static struct timer_list spusched_timer; + +/* + * Priority of a normal, non-rt, non-niced'd process (aka nice level 0). + */ +#define NORMAL_PRIO 120 + +/* + * Frequency of the spu scheduler tick. By default we do one SPU scheduler + * tick for every 10 CPU scheduler ticks. + */ +#define SPUSCHED_TICK (10) -static inline int node_allowed(int node) +/* + * These are the 'tuning knobs' of the scheduler: + * + * Minimum timeslice is 5 msecs (or 1 spu scheduler tick, whichever is + * larger), default timeslice is 100 msecs, maximum timeslice is 800 msecs. + */ +#define MIN_SPU_TIMESLICE max(5 * HZ / (1000 * SPUSCHED_TICK), 1) +#define DEF_SPU_TIMESLICE (100 * HZ / (1000 * SPUSCHED_TICK)) + +#define MAX_USER_PRIO (MAX_PRIO - MAX_RT_PRIO) +#define SCALE_PRIO(x, prio) \ + max(x * (MAX_PRIO - prio) / (MAX_USER_PRIO / 2), MIN_SPU_TIMESLICE) + +/* + * scale user-nice values [ -20 ... 0 ... 19 ] to time slice values: + * [800ms ... 100ms ... 5ms] + * + * The higher a thread's priority, the bigger timeslices + * it gets during one round of execution. But even the lowest + * priority thread gets MIN_TIMESLICE worth of execution time. + */ +void spu_set_timeslice(struct spu_context *ctx) { - cpumask_t mask; + if (ctx->prio < NORMAL_PRIO) + ctx->time_slice = SCALE_PRIO(DEF_SPU_TIMESLICE * 4, ctx->prio); + else + ctx->time_slice = SCALE_PRIO(DEF_SPU_TIMESLICE, ctx->prio); +} - if (!nr_cpus_node(node)) - return 0; - mask = node_to_cpumask(node); - if (!cpus_intersects(mask, current->cpus_allowed)) - return 0; - return 1; +/* + * Update scheduling information from the owning thread. + */ +void __spu_update_sched_info(struct spu_context *ctx) +{ + /* + * 32-Bit assignment are atomic on powerpc, and we don't care about + * memory ordering here because retriving the controlling thread is + * per defintion racy. + */ + ctx->tid = current->pid; + + /* + * We do our own priority calculations, so we normally want + * ->static_prio to start with. Unfortunately thies field + * contains junk for threads with a realtime scheduling + * policy so we have to look at ->prio in this case. + */ + if (rt_prio(current->prio)) + ctx->prio = current->prio; + else + ctx->prio = current->static_prio; + ctx->policy = current->policy; + + /* + * A lot of places that don't hold active_mutex poke into + * cpus_allowed, including grab_runnable_context which + * already holds the runq_lock. So abuse runq_lock + * to protect this field aswell. + */ + spin_lock(&spu_prio->runq_lock); + ctx->cpus_allowed = current->cpus_allowed; + spin_unlock(&spu_prio->runq_lock); } -void spu_start_tick(struct spu_context *ctx) +void spu_update_sched_info(struct spu_context *ctx) { - if (ctx->policy == SCHED_RR) { - /* - * Make sure the exiting bit is cleared. - */ - clear_bit(SPU_SCHED_EXITING, &ctx->sched_flags); - mb(); - queue_delayed_work(spu_sched_wq, &ctx->sched_work, SPU_TIMESLICE); - } + int node = ctx->spu->node; + + mutex_lock(&spu_prio->active_mutex[node]); + __spu_update_sched_info(ctx); + mutex_unlock(&spu_prio->active_mutex[node]); } -void spu_stop_tick(struct spu_context *ctx) +static int __node_allowed(struct spu_context *ctx, int node) { - if (ctx->policy == SCHED_RR) { - /* - * While the work can be rearming normally setting this flag - * makes sure it does not rearm itself anymore. - */ - set_bit(SPU_SCHED_EXITING, &ctx->sched_flags); - mb(); - cancel_delayed_work(&ctx->sched_work); + if (nr_cpus_node(node)) { + cpumask_t mask = node_to_cpumask(node); + + if (cpus_intersects(mask, ctx->cpus_allowed)) + return 1; } + + return 0; +} + +static int node_allowed(struct spu_context *ctx, int node) +{ + int rval; + + spin_lock(&spu_prio->runq_lock); + rval = __node_allowed(ctx, node); + spin_unlock(&spu_prio->runq_lock); + + return rval; } /** @@ -99,9 +175,18 @@ void spu_stop_tick(struct spu_context *ctx) */ static void spu_add_to_active_list(struct spu *spu) { - mutex_lock(&spu_prio->active_mutex[spu->node]); - list_add_tail(&spu->list, &spu_prio->active_list[spu->node]); - mutex_unlock(&spu_prio->active_mutex[spu->node]); + int node = spu->node; + + mutex_lock(&spu_prio->active_mutex[node]); + spu_prio->nr_active[node]++; + list_add_tail(&spu->list, &spu_prio->active_list[node]); + mutex_unlock(&spu_prio->active_mutex[node]); +} + +static void __spu_remove_from_active_list(struct spu *spu) +{ + list_del_init(&spu->list); + spu_prio->nr_active[spu->node]--; } /** @@ -113,7 +198,7 @@ static void spu_remove_from_active_list(struct spu *spu) int node = spu->node; mutex_lock(&spu_prio->active_mutex[node]); - list_del_init(&spu->list); + __spu_remove_from_active_list(spu); mutex_unlock(&spu_prio->active_mutex[node]); } @@ -144,6 +229,10 @@ static void spu_bind_context(struct spu *spu, struct spu_context *ctx) { pr_debug("%s: pid=%d SPU=%d NODE=%d\n", __FUNCTION__, current->pid, spu->number, spu->node); + + ctx->stats.slb_flt_base = spu->stats.slb_flt; + ctx->stats.class2_intr_base = spu->stats.class2_intr; + spu->ctx = ctx; spu->flags = 0; ctx->spu = spu; @@ -161,8 +250,8 @@ static void spu_bind_context(struct spu *spu, struct spu_context *ctx) spu->timestamp = jiffies; spu_cpu_affinity_set(spu, raw_smp_processor_id()); spu_switch_notify(spu, ctx); - spu_add_to_active_list(spu); ctx->state = SPU_STATE_RUNNABLE; + spu_switch_state(spu, SPU_UTIL_SYSTEM); } /** @@ -175,7 +264,8 @@ static void spu_unbind_context(struct spu *spu, struct spu_context *ctx) pr_debug("%s: unbind pid=%d SPU=%d NODE=%d\n", __FUNCTION__, spu->pid, spu->number, spu->node); - spu_remove_from_active_list(spu); + spu_switch_state(spu, SPU_UTIL_IDLE); + spu_switch_notify(spu, NULL); spu_unmap_mappings(ctx); spu_save(&ctx->csa, spu); @@ -192,6 +282,11 @@ static void spu_unbind_context(struct spu *spu, struct spu_context *ctx) ctx->spu = NULL; spu->flags = 0; spu->ctx = NULL; + + ctx->stats.slb_flt += + (spu->stats.slb_flt - ctx->stats.slb_flt_base); + ctx->stats.class2_intr += + (spu->stats.class2_intr - ctx->stats.class2_intr_base); } /** @@ -200,20 +295,39 @@ static void spu_unbind_context(struct spu *spu, struct spu_context *ctx) */ static void __spu_add_to_rq(struct spu_context *ctx) { - int prio = ctx->prio; - - list_add_tail(&ctx->rq, &spu_prio->runq[prio]); - set_bit(prio, spu_prio->bitmap); + /* + * Unfortunately this code path can be called from multiple threads + * on behalf of a single context due to the way the problem state + * mmap support works. + * + * Fortunately we need to wake up all these threads at the same time + * and can simply skip the runqueue addition for every but the first + * thread getting into this codepath. + * + * It's still quite hacky, and long-term we should proxy all other + * threads through the owner thread so that spu_run is in control + * of all the scheduling activity for a given context. + */ + if (list_empty(&ctx->rq)) { + list_add_tail(&ctx->rq, &spu_prio->runq[ctx->prio]); + set_bit(ctx->prio, spu_prio->bitmap); + if (!spu_prio->nr_waiting++) + __mod_timer(&spusched_timer, jiffies + SPUSCHED_TICK); + } } static void __spu_del_from_rq(struct spu_context *ctx) { int prio = ctx->prio; - if (!list_empty(&ctx->rq)) + if (!list_empty(&ctx->rq)) { + if (!--spu_prio->nr_waiting) + del_timer(&spusched_timer); list_del_init(&ctx->rq); - if (list_empty(&spu_prio->runq[prio])) - clear_bit(prio, spu_prio->bitmap); + + if (list_empty(&spu_prio->runq[prio])) + clear_bit(prio, spu_prio->bitmap); + } } static void spu_prio_wait(struct spu_context *ctx) @@ -244,7 +358,7 @@ static struct spu *spu_get_idle(struct spu_context *ctx) for (n = 0; n < MAX_NUMNODES; n++, node++) { node = (node < MAX_NUMNODES) ? node : 0; - if (!node_allowed(node)) + if (!node_allowed(ctx, node)) continue; spu = spu_alloc_node(node); if (spu) @@ -276,15 +390,15 @@ static struct spu *find_victim(struct spu_context *ctx) node = cpu_to_node(raw_smp_processor_id()); for (n = 0; n < MAX_NUMNODES; n++, node++) { node = (node < MAX_NUMNODES) ? node : 0; - if (!node_allowed(node)) + if (!node_allowed(ctx, node)) continue; mutex_lock(&spu_prio->active_mutex[node]); list_for_each_entry(spu, &spu_prio->active_list[node], list) { struct spu_context *tmp = spu->ctx; - if (tmp->rt_priority < ctx->rt_priority && - (!victim || tmp->rt_priority < victim->rt_priority)) + if (tmp->prio > ctx->prio && + (!victim || tmp->prio > victim->prio)) victim = spu->ctx; } mutex_unlock(&spu_prio->active_mutex[node]); @@ -312,7 +426,10 @@ static struct spu *find_victim(struct spu_context *ctx) victim = NULL; goto restart; } + spu_remove_from_active_list(spu); spu_unbind_context(spu, victim); + victim->stats.invol_ctx_switch++; + spu->stats.invol_ctx_switch++; mutex_unlock(&victim->state_mutex); /* * We need to break out of the wait loop in spu_run @@ -338,22 +455,30 @@ static struct spu *find_victim(struct spu_context *ctx) */ int spu_activate(struct spu_context *ctx, unsigned long flags) { - - if (ctx->spu) - return 0; + spuctx_switch_state(ctx, SPUCTX_UTIL_SYSTEM); do { struct spu *spu; + /* + * If there are multiple threads waiting for a single context + * only one actually binds the context while the others will + * only be able to acquire the state_mutex once the context + * already is in runnable state. + */ + if (ctx->spu) + return 0; + spu = spu_get_idle(ctx); /* * If this is a realtime thread we try to get it running by * preempting a lower priority thread. */ - if (!spu && ctx->rt_priority) + if (!spu && rt_prio(ctx->prio)) spu = find_victim(ctx); if (spu) { spu_bind_context(spu, ctx); + spu_add_to_active_list(spu); return 0; } @@ -369,23 +494,28 @@ int spu_activate(struct spu_context *ctx, unsigned long flags) * Remove the highest priority context on the runqueue and return it * to the caller. Returns %NULL if no runnable context was found. */ -static struct spu_context *grab_runnable_context(int prio) +static struct spu_context *grab_runnable_context(int prio, int node) { - struct spu_context *ctx = NULL; + struct spu_context *ctx; int best; spin_lock(&spu_prio->runq_lock); best = sched_find_first_bit(spu_prio->bitmap); - if (best < prio) { + while (best < prio) { struct list_head *rq = &spu_prio->runq[best]; - BUG_ON(list_empty(rq)); - - ctx = list_entry(rq->next, struct spu_context, rq); - __spu_del_from_rq(ctx); + list_for_each_entry(ctx, rq, rq) { + /* XXX(hch): check for affinity here aswell */ + if (__node_allowed(ctx, node)) { + __spu_del_from_rq(ctx); + goto found; + } + } + best++; } + ctx = NULL; + found: spin_unlock(&spu_prio->runq_lock); - return ctx; } @@ -395,9 +525,12 @@ static int __spu_deactivate(struct spu_context *ctx, int force, int max_prio) struct spu_context *new = NULL; if (spu) { - new = grab_runnable_context(max_prio); + new = grab_runnable_context(max_prio, spu->node); if (new || force) { + spu_remove_from_active_list(spu); spu_unbind_context(spu, ctx); + ctx->stats.vol_ctx_switch++; + spu->stats.vol_ctx_switch++; spu_free(spu); if (new) wake_up(&new->stop_wq); @@ -417,7 +550,17 @@ static int __spu_deactivate(struct spu_context *ctx, int force, int max_prio) */ void spu_deactivate(struct spu_context *ctx) { + /* + * We must never reach this for a nosched context, + * but handle the case gracefull instead of panicing. + */ + if (ctx->flags & SPU_CREATE_NOSCHED) { + WARN_ON(1); + return; + } + __spu_deactivate(ctx, 1, MAX_PRIO); + spuctx_switch_state(ctx, SPUCTX_UTIL_USER); } /** @@ -432,56 +575,178 @@ void spu_yield(struct spu_context *ctx) { if (!(ctx->flags & SPU_CREATE_NOSCHED)) { mutex_lock(&ctx->state_mutex); - __spu_deactivate(ctx, 0, MAX_PRIO); + if (__spu_deactivate(ctx, 0, MAX_PRIO)) + spuctx_switch_state(ctx, SPUCTX_UTIL_USER); + else { + spuctx_switch_state(ctx, SPUCTX_UTIL_LOADED); + spu_switch_state(ctx->spu, SPU_UTIL_USER); + } mutex_unlock(&ctx->state_mutex); } } -void spu_sched_tick(struct work_struct *work) +static void spusched_tick(struct spu_context *ctx) { - struct spu_context *ctx = - container_of(work, struct spu_context, sched_work.work); - int preempted; + if (ctx->flags & SPU_CREATE_NOSCHED) + return; + if (ctx->policy == SCHED_FIFO) + return; + + if (--ctx->time_slice) + return; /* - * If this context is being stopped avoid rescheduling from the - * scheduler tick because we would block on the state_mutex. - * The caller will yield the spu later on anyway. + * Unfortunately active_mutex ranks outside of state_mutex, so + * we have to trylock here. If we fail give the context another + * tick and try again. */ - if (test_bit(SPU_SCHED_EXITING, &ctx->sched_flags)) - return; + if (mutex_trylock(&ctx->state_mutex)) { + struct spu *spu = ctx->spu; + struct spu_context *new; - mutex_lock(&ctx->state_mutex); - preempted = __spu_deactivate(ctx, 0, ctx->prio + 1); - mutex_unlock(&ctx->state_mutex); + new = grab_runnable_context(ctx->prio + 1, spu->node); + if (new) { - if (preempted) { - /* - * We need to break out of the wait loop in spu_run manually - * to ensure this context gets put on the runqueue again - * ASAP. - */ - wake_up(&ctx->stop_wq); + __spu_remove_from_active_list(spu); + spu_unbind_context(spu, ctx); + ctx->stats.invol_ctx_switch++; + spu->stats.invol_ctx_switch++; + spu_free(spu); + wake_up(&new->stop_wq); + /* + * We need to break out of the wait loop in + * spu_run manually to ensure this context + * gets put on the runqueue again ASAP. + */ + wake_up(&ctx->stop_wq); + } + spu_set_timeslice(ctx); + mutex_unlock(&ctx->state_mutex); } else { - spu_start_tick(ctx); + ctx->time_slice++; } } -int __init spu_sched_init(void) +/** + * count_active_contexts - count nr of active tasks + * + * Return the number of tasks currently running or waiting to run. + * + * Note that we don't take runq_lock / active_mutex here. Reading + * a single 32bit value is atomic on powerpc, and we don't care + * about memory ordering issues here. + */ +static unsigned long count_active_contexts(void) { - int i; + int nr_active = 0, node; - spu_sched_wq = create_singlethread_workqueue("spusched"); - if (!spu_sched_wq) - return 1; + for (node = 0; node < MAX_NUMNODES; node++) + nr_active += spu_prio->nr_active[node]; + nr_active += spu_prio->nr_waiting; - spu_prio = kzalloc(sizeof(struct spu_prio_array), GFP_KERNEL); - if (!spu_prio) { - printk(KERN_WARNING "%s: Unable to allocate priority queue.\n", - __FUNCTION__); - destroy_workqueue(spu_sched_wq); - return 1; + return nr_active; +} + +/** + * spu_calc_load - given tick count, update the avenrun load estimates. + * @tick: tick count + * + * No locking against reading these values from userspace, as for + * the CPU loadavg code. + */ +static void spu_calc_load(unsigned long ticks) +{ + unsigned long active_tasks; /* fixed-point */ + static int count = LOAD_FREQ; + + count -= ticks; + + if (unlikely(count < 0)) { + active_tasks = count_active_contexts() * FIXED_1; + do { + CALC_LOAD(spu_avenrun[0], EXP_1, active_tasks); + CALC_LOAD(spu_avenrun[1], EXP_5, active_tasks); + CALC_LOAD(spu_avenrun[2], EXP_15, active_tasks); + count += LOAD_FREQ; + } while (count < 0); } +} + +static void spusched_wake(unsigned long data) +{ + mod_timer(&spusched_timer, jiffies + SPUSCHED_TICK); + wake_up_process(spusched_task); + spu_calc_load(SPUSCHED_TICK); +} + +static int spusched_thread(void *unused) +{ + struct spu *spu, *next; + int node; + + while (!kthread_should_stop()) { + set_current_state(TASK_INTERRUPTIBLE); + schedule(); + for (node = 0; node < MAX_NUMNODES; node++) { + mutex_lock(&spu_prio->active_mutex[node]); + list_for_each_entry_safe(spu, next, + &spu_prio->active_list[node], + list) + spusched_tick(spu->ctx); + mutex_unlock(&spu_prio->active_mutex[node]); + } + } + + return 0; +} + +#define LOAD_INT(x) ((x) >> FSHIFT) +#define LOAD_FRAC(x) LOAD_INT(((x) & (FIXED_1-1)) * 100) + +static int show_spu_loadavg(struct seq_file *s, void *private) +{ + int a, b, c; + + a = spu_avenrun[0] + (FIXED_1/200); + b = spu_avenrun[1] + (FIXED_1/200); + c = spu_avenrun[2] + (FIXED_1/200); + + /* + * Note that last_pid doesn't really make much sense for the + * SPU loadavg (it even seems very odd on the CPU side..), + * but we include it here to have a 100% compatible interface. + */ + seq_printf(s, "%d.%02d %d.%02d %d.%02d %ld/%d %d\n", + LOAD_INT(a), LOAD_FRAC(a), + LOAD_INT(b), LOAD_FRAC(b), + LOAD_INT(c), LOAD_FRAC(c), + count_active_contexts(), + atomic_read(&nr_spu_contexts), + current->nsproxy->pid_ns->last_pid); + return 0; +} + +static int spu_loadavg_open(struct inode *inode, struct file *file) +{ + return single_open(file, show_spu_loadavg, NULL); +} + +static const struct file_operations spu_loadavg_fops = { + .open = spu_loadavg_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +int __init spu_sched_init(void) +{ + struct proc_dir_entry *entry; + int err = -ENOMEM, i; + + spu_prio = kzalloc(sizeof(struct spu_prio_array), GFP_KERNEL); + if (!spu_prio) + goto out; + for (i = 0; i < MAX_PRIO; i++) { INIT_LIST_HEAD(&spu_prio->runq[i]); __clear_bit(i, spu_prio->bitmap); @@ -492,7 +757,30 @@ int __init spu_sched_init(void) INIT_LIST_HEAD(&spu_prio->active_list[i]); } spin_lock_init(&spu_prio->runq_lock); + + setup_timer(&spusched_timer, spusched_wake, 0); + + spusched_task = kthread_run(spusched_thread, NULL, "spusched"); + if (IS_ERR(spusched_task)) { + err = PTR_ERR(spusched_task); + goto out_free_spu_prio; + } + + entry = create_proc_entry("spu_loadavg", 0, NULL); + if (!entry) + goto out_stop_kthread; + entry->proc_fops = &spu_loadavg_fops; + + pr_debug("spusched: tick: %d, min ticks: %d, default ticks: %d\n", + SPUSCHED_TICK, MIN_SPU_TIMESLICE, DEF_SPU_TIMESLICE); return 0; + + out_stop_kthread: + kthread_stop(spusched_task); + out_free_spu_prio: + kfree(spu_prio); + out: + return err; } void __exit spu_sched_exit(void) @@ -500,6 +788,11 @@ void __exit spu_sched_exit(void) struct spu *spu, *tmp; int node; + remove_proc_entry("spu_loadavg", NULL); + + del_timer_sync(&spusched_timer); + kthread_stop(spusched_task); + for (node = 0; node < MAX_NUMNODES; node++) { mutex_lock(&spu_prio->active_mutex[node]); list_for_each_entry_safe(spu, tmp, &spu_prio->active_list[node], @@ -510,5 +803,4 @@ void __exit spu_sched_exit(void) mutex_unlock(&spu_prio->active_mutex[node]); } kfree(spu_prio); - destroy_workqueue(spu_sched_wq); } diff --git a/arch/powerpc/platforms/cell/spufs/spu_restore.c b/arch/powerpc/platforms/cell/spufs/spu_restore.c index 0bf723d..4e19ed7 100644 --- a/arch/powerpc/platforms/cell/spufs/spu_restore.c +++ b/arch/powerpc/platforms/cell/spufs/spu_restore.c @@ -296,7 +296,7 @@ static inline void restore_complete(void) * This code deviates from the documented sequence in the * following aspects: * - * 1. The EA for LSCSA is passed from PPE in the + * 1. The EA for LSCSA is passed from PPE in the * signal notification channels. * 2. The register spill area is pulled by SPU * into LS, rather than pushed by PPE. diff --git a/arch/powerpc/platforms/cell/spufs/spu_save.c b/arch/powerpc/platforms/cell/spufs/spu_save.c index 196033b..ae95cc1 100644 --- a/arch/powerpc/platforms/cell/spufs/spu_save.c +++ b/arch/powerpc/platforms/cell/spufs/spu_save.c @@ -44,7 +44,7 @@ static inline void save_event_mask(void) * Read the SPU_RdEventMsk channel and save to the LSCSA. */ offset = LSCSA_QW_OFFSET(event_mask); - regs_spill[offset].slot[0] = spu_readch(SPU_RdEventStatMask); + regs_spill[offset].slot[0] = spu_readch(SPU_RdEventMask); } static inline void save_tag_mask(void) diff --git a/arch/powerpc/platforms/cell/spufs/spufs.h b/arch/powerpc/platforms/cell/spufs/spufs.h index 47617e8..08b3530 100644 --- a/arch/powerpc/platforms/cell/spufs/spufs.h +++ b/arch/powerpc/platforms/cell/spufs/spufs.h @@ -26,6 +26,7 @@ #include <linux/mutex.h> #include <linux/spinlock.h> #include <linux/fs.h> +#include <linux/cpumask.h> #include <asm/spu.h> #include <asm/spu_csa.h> @@ -39,9 +40,17 @@ enum { struct spu_context_ops; struct spu_gang; -/* ctx->sched_flags */ -enum { - SPU_SCHED_EXITING = 0, +/* + * This is the state for spu utilization reporting to userspace. + * Because this state is visible to userspace it must never change and needs + * to be kept strictly separate from any internal state kept by the kernel. + */ +enum spuctx_execution_state { + SPUCTX_UTIL_USER = 0, + SPUCTX_UTIL_SYSTEM, + SPUCTX_UTIL_IOWAIT, + SPUCTX_UTIL_LOADED, + SPUCTX_UTIL_MAX }; struct spu_context { @@ -81,13 +90,34 @@ struct spu_context { struct list_head gang_list; struct spu_gang *gang; + /* owner thread */ + pid_t tid; + /* scheduler fields */ - struct list_head rq; - struct delayed_work sched_work; + struct list_head rq; + unsigned int time_slice; unsigned long sched_flags; - unsigned long rt_priority; + cpumask_t cpus_allowed; int policy; int prio; + + /* statistics */ + struct { + /* updates protected by ctx->state_mutex */ + enum spuctx_execution_state execution_state; + unsigned long tstamp; /* time of last ctx switch */ + unsigned long times[SPUCTX_UTIL_MAX]; + unsigned long long vol_ctx_switch; + unsigned long long invol_ctx_switch; + unsigned long long min_flt; + unsigned long long maj_flt; + unsigned long long hash_flt; + unsigned long long slb_flt; + unsigned long long slb_flt_base; /* # at last ctx switch */ + unsigned long long class2_intr; + unsigned long long class2_intr_base; /* # at last ctx switch */ + unsigned long long libassist; + } stats; }; struct spu_gang { @@ -177,6 +207,7 @@ void spu_gang_add_ctx(struct spu_gang *gang, struct spu_context *ctx); int spufs_handle_class1(struct spu_context *ctx); /* context management */ +extern atomic_t nr_spu_contexts; static inline void spu_acquire(struct spu_context *ctx) { mutex_lock(&ctx->state_mutex); @@ -200,9 +231,9 @@ void spu_acquire_saved(struct spu_context *ctx); int spu_activate(struct spu_context *ctx, unsigned long flags); void spu_deactivate(struct spu_context *ctx); void spu_yield(struct spu_context *ctx); -void spu_start_tick(struct spu_context *ctx); -void spu_stop_tick(struct spu_context *ctx); -void spu_sched_tick(struct work_struct *work); +void spu_set_timeslice(struct spu_context *ctx); +void spu_update_sched_info(struct spu_context *ctx); +void __spu_update_sched_info(struct spu_context *ctx); int __init spu_sched_init(void); void __exit spu_sched_exit(void); @@ -210,7 +241,7 @@ extern char *isolated_loader; /* * spufs_wait - * Same as wait_event_interruptible(), except that here + * Same as wait_event_interruptible(), except that here * we need to call spu_release(ctx) before sleeping, and * then spu_acquire(ctx) when awoken. */ @@ -256,4 +287,37 @@ struct spufs_coredump_reader { extern struct spufs_coredump_reader spufs_coredump_read[]; extern int spufs_coredump_num_notes; +/* + * This function is a little bit too large for an inline, but + * as fault.c is built into the kernel we can't move it out of + * line. + */ +static inline void spuctx_switch_state(struct spu_context *ctx, + enum spuctx_execution_state new_state) +{ + WARN_ON(!mutex_is_locked(&ctx->state_mutex)); + + if (ctx->stats.execution_state != new_state) { + unsigned long curtime = jiffies; + + ctx->stats.times[ctx->stats.execution_state] += + curtime - ctx->stats.tstamp; + ctx->stats.tstamp = curtime; + ctx->stats.execution_state = new_state; + } +} + +static inline void spu_switch_state(struct spu *spu, + enum spuctx_execution_state new_state) +{ + if (spu->stats.utilization_state != new_state) { + unsigned long curtime = jiffies; + + spu->stats.times[spu->stats.utilization_state] += + curtime - spu->stats.tstamp; + spu->stats.tstamp = curtime; + spu->stats.utilization_state = new_state; + } +} + #endif diff --git a/arch/powerpc/platforms/cell/spufs/switch.c b/arch/powerpc/platforms/cell/spufs/switch.c index 71a0b41..9c506ba 100644 --- a/arch/powerpc/platforms/cell/spufs/switch.c +++ b/arch/powerpc/platforms/cell/spufs/switch.c @@ -70,7 +70,7 @@ } #endif /* debug */ -#define POLL_WHILE_FALSE(_c) POLL_WHILE_TRUE(!(_c)) +#define POLL_WHILE_FALSE(_c) POLL_WHILE_TRUE(!(_c)) static inline void acquire_spu_lock(struct spu *spu) { @@ -387,6 +387,19 @@ static inline void save_ppu_querytype(struct spu_state *csa, struct spu *spu) csa->prob.dma_querytype_RW = in_be32(&prob->dma_querytype_RW); } +static inline void save_ppu_tagstatus(struct spu_state *csa, struct spu *spu) +{ + struct spu_problem __iomem *prob = spu->problem; + + /* Save the Prxy_TagStatus register in the CSA. + * + * It is unnecessary to restore dma_tagstatus_R, however, + * dma_tagstatus_R in the CSA is accessed via backing_ops, so + * we must save it. + */ + csa->prob.dma_tagstatus_R = in_be32(&prob->dma_tagstatus_R); +} + static inline void save_mfc_csr_tsq(struct spu_state *csa, struct spu *spu) { struct spu_priv2 __iomem *priv2 = spu->priv2; @@ -1812,6 +1825,7 @@ static void save_csa(struct spu_state *prev, struct spu *spu) save_mfc_queues(prev, spu); /* Step 19. */ save_ppu_querymask(prev, spu); /* Step 20. */ save_ppu_querytype(prev, spu); /* Step 21. */ + save_ppu_tagstatus(prev, spu); /* NEW. */ save_mfc_csr_tsq(prev, spu); /* Step 22. */ save_mfc_csr_cmd(prev, spu); /* Step 23. */ save_mfc_csr_ato(prev, spu); /* Step 24. */ @@ -1930,7 +1944,7 @@ static void harvest(struct spu_state *prev, struct spu *spu) reset_spu_privcntl(prev, spu); /* Step 16. */ reset_spu_lslr(prev, spu); /* Step 17. */ setup_mfc_sr1(prev, spu); /* Step 18. */ - spu_invalidate_slbs(spu); /* Step 19. */ + spu_invalidate_slbs(spu); /* Step 19. */ reset_ch_part1(prev, spu); /* Step 20. */ reset_ch_part2(prev, spu); /* Step 21. */ enable_interrupts(prev, spu); /* Step 22. */ diff --git a/arch/powerpc/platforms/chrp/Kconfig b/arch/powerpc/platforms/chrp/Kconfig index d2c6905..22b4b4e 100644 --- a/arch/powerpc/platforms/chrp/Kconfig +++ b/arch/powerpc/platforms/chrp/Kconfig @@ -8,4 +8,5 @@ config PPC_CHRP select PPC_MPC106 select PPC_UDBG_16550 select PPC_NATIVE + select PCI default y diff --git a/arch/powerpc/platforms/chrp/Makefile b/arch/powerpc/platforms/chrp/Makefile index 902feb1..4b3bfad 100644 --- a/arch/powerpc/platforms/chrp/Makefile +++ b/arch/powerpc/platforms/chrp/Makefile @@ -1,4 +1,3 @@ -obj-y += setup.o time.o pegasos_eth.o -obj-$(CONFIG_PCI) += pci.o +obj-y += setup.o time.o pegasos_eth.o pci.o obj-$(CONFIG_SMP) += smp.o obj-$(CONFIG_NVRAM) += nvram.o diff --git a/arch/powerpc/platforms/chrp/pci.c b/arch/powerpc/platforms/chrp/pci.c index d32fedc..3690624 100644 --- a/arch/powerpc/platforms/chrp/pci.c +++ b/arch/powerpc/platforms/chrp/pci.c @@ -99,7 +99,7 @@ int rtas_read_config(struct pci_bus *bus, unsigned int devfn, int offset, struct pci_controller *hose = bus->sysdata; unsigned long addr = (offset & 0xff) | ((devfn & 0xff) << 8) | (((bus->number - hose->first_busno) & 0xff) << 16) - | (hose->index << 24); + | (hose->global_number << 24); int ret = -1; int rval; @@ -114,7 +114,7 @@ int rtas_write_config(struct pci_bus *bus, unsigned int devfn, int offset, struct pci_controller *hose = bus->sysdata; unsigned long addr = (offset & 0xff) | ((devfn & 0xff) << 8) | (((bus->number - hose->first_busno) & 0xff) << 16) - | (hose->index << 24); + | (hose->global_number << 24); int rval; rval = rtas_call(rtas_token("write-pci-config"), 3, 1, NULL, @@ -254,13 +254,12 @@ chrp_find_bridges(void) printk(" at %llx", (unsigned long long)r.start); printk("\n"); - hose = pcibios_alloc_controller(); + hose = pcibios_alloc_controller(dev); if (!hose) { printk("Can't allocate PCI controller structure for %s\n", dev->full_name); continue; } - hose->arch_data = dev; hose->first_busno = bus_range[0]; hose->last_busno = bus_range[1]; diff --git a/arch/powerpc/platforms/embedded6xx/Kconfig b/arch/powerpc/platforms/embedded6xx/Kconfig index f2d2626..bec7726 100644 --- a/arch/powerpc/platforms/embedded6xx/Kconfig +++ b/arch/powerpc/platforms/embedded6xx/Kconfig @@ -28,6 +28,7 @@ config PPC_HOLLY bool "PPC750GX/CL with TSI10x bridge (Hickory/Holly)" select TSI108_BRIDGE select PPC_UDBG_16550 + select WANT_DEVICE_TREE help Select PPC_HOLLY if configuring for an IBM 750GX/CL Eval Board with TSI108/9 bridge (Hickory/Holly) @@ -44,6 +45,7 @@ endchoice config TSI108_BRIDGE bool depends on MPC7448HPC2 || PPC_HOLLY + select PCI select MPIC select MPIC_WEIRD default y diff --git a/arch/powerpc/platforms/embedded6xx/holly.c b/arch/powerpc/platforms/embedded6xx/holly.c index 3a0b4a0..6292e36 100644 --- a/arch/powerpc/platforms/embedded6xx/holly.c +++ b/arch/powerpc/platforms/embedded6xx/holly.c @@ -45,7 +45,7 @@ #define HOLLY_PCI_CFG_PHYS 0x7c000000 -int holly_exclude_device(u_char bus, u_char devfn) +int holly_exclude_device(struct pci_controller *hose, u_char bus, u_char devfn) { if (bus == 0 && PCI_SLOT(devfn) == 0) return PCIBIOS_DEVICE_NOT_FOUND; diff --git a/arch/powerpc/platforms/embedded6xx/linkstation.c b/arch/powerpc/platforms/embedded6xx/linkstation.c index b412f00..f4d0a7a 100644 --- a/arch/powerpc/platforms/embedded6xx/linkstation.c +++ b/arch/powerpc/platforms/embedded6xx/linkstation.c @@ -54,8 +54,9 @@ static struct mtd_partition linkstation_physmap_partitions[] = { }, }; -static int __init add_bridge(struct device_node *dev) +static int __init linkstation_add_bridge(struct device_node *dev) { +#ifdef CONFIG_PCI int len; struct pci_controller *hose; const int *bus_range; @@ -67,18 +68,17 @@ static int __init add_bridge(struct device_node *dev) printk(KERN_WARNING "Can't get bus-range for %s, assume" " bus 0\n", dev->full_name); - hose = pcibios_alloc_controller(); + hose = pcibios_alloc_controller(dev); if (hose == NULL) return -ENOMEM; hose->first_busno = bus_range ? bus_range[0] : 0; hose->last_busno = bus_range ? bus_range[1] : 0xff; - hose->arch_data = dev; setup_indirect_pci(hose, 0xfec00000, 0xfee00000); /* Interpret the "ranges" property */ /* This also maps the I/O region and sets isa_io/mem_base */ pci_process_bridge_OF_ranges(hose, dev, 1); - +#endif return 0; } @@ -92,7 +92,7 @@ static void __init linkstation_setup_arch(void) /* Lookup PCI host bridges */ for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) - add_bridge(np); + linkstation_add_bridge(np); printk(KERN_INFO "BUFFALO Network Attached Storage Series\n"); printk(KERN_INFO "(C) 2002-2005 BUFFALO INC.\n"); diff --git a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c index 4542e0c8..1e3cc69 100644 --- a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c +++ b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c @@ -54,15 +54,10 @@ #define MPC7448HPC2_PCI_CFG_PHYS 0xfb000000 -#ifndef CONFIG_PCI -isa_io_base = MPC7448_HPC2_ISA_IO_BASE; -isa_mem_base = MPC7448_HPC2_ISA_MEM_BASE; -pci_dram_offset = MPC7448_HPC2_PCI_MEM_OFFSET; -#endif - extern void _nmask_and_or_msr(unsigned long nmask, unsigned long or_val); -int mpc7448_hpc2_exclude_device(u_char bus, u_char devfn) +int mpc7448_hpc2_exclude_device(struct pci_controller *hose, + u_char bus, u_char devfn) { if (bus == 0 && PCI_SLOT(devfn) == 0) return PCIBIOS_DEVICE_NOT_FOUND; diff --git a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.h b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.h index a543a52..f7e0e0c 100644 --- a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.h +++ b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.h @@ -18,9 +18,4 @@ #include <asm/ppcboot.h> -/* Base Addresses for the PCI bus - */ -#define MPC7448_HPC2_PCI_MEM_OFFSET (0x00000000) -#define MPC7448_HPC2_ISA_IO_BASE (0x00000000) -#define MPC7448_HPC2_ISA_MEM_BASE (0x00000000) #endif /* __PPC_PLATFORMS_MPC7448_HPC2_H */ diff --git a/arch/powerpc/platforms/iseries/call_hpt.h b/arch/powerpc/platforms/iseries/call_hpt.h index a843b0f..8d95fe4b 100644 --- a/arch/powerpc/platforms/iseries/call_hpt.h +++ b/arch/powerpc/platforms/iseries/call_hpt.h @@ -76,24 +76,25 @@ static inline u64 HvCallHpt_invalidateSetSwBitsGet(u32 hpteIndex, u8 bitson, return compressedStatus; } -static inline u64 HvCallHpt_findValid(hpte_t *hpte, u64 vpn) +static inline u64 HvCallHpt_findValid(struct hash_pte *hpte, u64 vpn) { return HvCall3Ret16(HvCallHptFindValid, hpte, vpn, 0, 0); } -static inline u64 HvCallHpt_findNextValid(hpte_t *hpte, u32 hpteIndex, +static inline u64 HvCallHpt_findNextValid(struct hash_pte *hpte, u32 hpteIndex, u8 bitson, u8 bitsoff) { return HvCall3Ret16(HvCallHptFindNextValid, hpte, hpteIndex, bitson, bitsoff); } -static inline void HvCallHpt_get(hpte_t *hpte, u32 hpteIndex) +static inline void HvCallHpt_get(struct hash_pte *hpte, u32 hpteIndex) { HvCall2Ret16(HvCallHptGet, hpte, hpteIndex, 0); } -static inline void HvCallHpt_addValidate(u32 hpteIndex, u32 hBit, hpte_t *hpte) +static inline void HvCallHpt_addValidate(u32 hpteIndex, u32 hBit, + struct hash_pte *hpte) { HvCall4(HvCallHptAddValidate, hpteIndex, hBit, hpte->v, hpte->r); } diff --git a/arch/powerpc/platforms/iseries/htab.c b/arch/powerpc/platforms/iseries/htab.c index ed44dfc..b4e2c7a 100644 --- a/arch/powerpc/platforms/iseries/htab.c +++ b/arch/powerpc/platforms/iseries/htab.c @@ -44,7 +44,7 @@ long iSeries_hpte_insert(unsigned long hpte_group, unsigned long va, unsigned long vflags, int psize) { long slot; - hpte_t lhpte; + struct hash_pte lhpte; int secondary = 0; BUG_ON(psize != MMU_PAGE_4K); @@ -99,7 +99,7 @@ long iSeries_hpte_insert(unsigned long hpte_group, unsigned long va, static unsigned long iSeries_hpte_getword0(unsigned long slot) { - hpte_t hpte; + struct hash_pte hpte; HvCallHpt_get(&hpte, slot); return hpte.v; @@ -144,7 +144,7 @@ static long iSeries_hpte_remove(unsigned long hpte_group) static long iSeries_hpte_updatepp(unsigned long slot, unsigned long newpp, unsigned long va, int psize, int local) { - hpte_t hpte; + struct hash_pte hpte; unsigned long want_v; iSeries_hlock(slot); @@ -176,7 +176,7 @@ static long iSeries_hpte_updatepp(unsigned long slot, unsigned long newpp, */ static long iSeries_hpte_find(unsigned long vpn) { - hpte_t hpte; + struct hash_pte hpte; long slot; /* diff --git a/arch/powerpc/platforms/iseries/pci.c b/arch/powerpc/platforms/iseries/pci.c index 9c97422..da87162 100644 --- a/arch/powerpc/platforms/iseries/pci.c +++ b/arch/powerpc/platforms/iseries/pci.c @@ -742,6 +742,11 @@ void __init iSeries_pcibios_init(void) /* Install IO hooks */ ppc_pci_io = iseries_pci_io; + /* iSeries has no IO space in the common sense, it needs to set + * the IO base to 0 + */ + pci_io_base = 0; + if (root == NULL) { printk(KERN_CRIT "iSeries_pcibios_init: can't find root " "of device tree\n"); @@ -763,7 +768,7 @@ void __init iSeries_pcibios_init(void) if (phb == NULL) continue; - phb->pci_mem_offset = phb->local_number = bus; + phb->pci_mem_offset = bus; phb->first_busno = bus; phb->last_busno = bus; phb->ops = &iSeries_pci_ops; diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c index 7f5dcee..13a8b19 100644 --- a/arch/powerpc/platforms/iseries/setup.c +++ b/arch/powerpc/platforms/iseries/setup.c @@ -79,8 +79,6 @@ extern void iSeries_pci_final_fixup(void); static void iSeries_pci_final_fixup(void) { } #endif -extern unsigned long iSeries_recal_tb; -extern unsigned long iSeries_recal_titan; struct MemoryBlock { unsigned long absStart; @@ -292,8 +290,8 @@ static void __init iSeries_init_early(void) { DBG(" -> iSeries_init_early()\n"); - iSeries_recal_tb = get_tb(); - iSeries_recal_titan = HvCallXm_loadTod(); + /* Snapshot the timebase, for use in later recalibration */ + iSeries_time_init_early(); /* * Initialize the DMA/TCE management diff --git a/arch/powerpc/platforms/maple/pci.c b/arch/powerpc/platforms/maple/pci.c index 7aaa5bb..fceaae4 100644 --- a/arch/powerpc/platforms/maple/pci.c +++ b/arch/powerpc/platforms/maple/pci.c @@ -444,7 +444,7 @@ static void __init setup_u3_ht(struct pci_controller* hose) u3_ht = hose; } -static int __init add_bridge(struct device_node *dev) +static int __init maple_add_bridge(struct device_node *dev) { int len; struct pci_controller *hose; @@ -519,23 +519,6 @@ void __devinit maple_pci_irq_fixup(struct pci_dev *dev) DBG(" <- maple_pci_irq_fixup\n"); } -static void __init maple_fixup_phb_resources(void) -{ - struct pci_controller *hose, *tmp; - - list_for_each_entry_safe(hose, tmp, &hose_list, list_node) { - unsigned long offset = (unsigned long)hose->io_base_virt - pci_io_base; - - hose->io_resource.start += offset; - hose->io_resource.end += offset; - - printk(KERN_INFO "PCI Host %d, io start: %llx; io end: %llx\n", - hose->global_number, - (unsigned long long)hose->io_resource.start, - (unsigned long long)hose->io_resource.end); - } -} - void __init maple_pci_init(void) { struct device_node *np, *root; @@ -558,7 +541,7 @@ void __init maple_pci_init(void) continue; if ((of_device_is_compatible(np, "u4-pcie") || of_device_is_compatible(np, "u3-agp")) && - add_bridge(np) == 0) + maple_add_bridge(np) == 0) of_node_get(np); if (of_device_is_compatible(np, "u3-ht")) { @@ -570,27 +553,9 @@ void __init maple_pci_init(void) /* Now setup the HyperTransport host if we found any */ - if (ht && add_bridge(ht) != 0) + if (ht && maple_add_bridge(ht) != 0) of_node_put(ht); - /* - * We need to call pci_setup_phb_io for the HT bridge first - * so it gets the I/O port numbers starting at 0, and we - * need to call it for the AGP bridge after that so it gets - * small positive I/O port numbers. - */ - if (u3_ht) - pci_setup_phb_io(u3_ht, 1); - if (u3_agp) - pci_setup_phb_io(u3_agp, 0); - if (u4_pcie) - pci_setup_phb_io(u4_pcie, 0); - - /* Fixup the IO resources on our host bridges as the common code - * does it only for childs of the host bridges - */ - maple_fixup_phb_resources(); - /* Setup the linkage between OF nodes and PHBs */ pci_devs_phb_init(); diff --git a/arch/powerpc/platforms/pasemi/Kconfig b/arch/powerpc/platforms/pasemi/Kconfig index 7c5076e..95cd90f 100644 --- a/arch/powerpc/platforms/pasemi/Kconfig +++ b/arch/powerpc/platforms/pasemi/Kconfig @@ -25,4 +25,13 @@ config PPC_PASEMI_MDIO help Driver for MDIO via GPIO on PWRficient platforms +config ELECTRA_IDE + tristate "Electra IDE driver" + default y + depends on PPC_PASEMI && ATA + select PATA_PLATFORM + help + This includes driver support for the Electra on-board IDE + interface. + endmenu diff --git a/arch/powerpc/platforms/pasemi/Makefile b/arch/powerpc/platforms/pasemi/Makefile index 2cd2a4f..f47fcac 100644 --- a/arch/powerpc/platforms/pasemi/Makefile +++ b/arch/powerpc/platforms/pasemi/Makefile @@ -1,3 +1,4 @@ obj-y += setup.o pci.o time.o idle.o powersave.o iommu.o obj-$(CONFIG_PPC_PASEMI_MDIO) += gpio_mdio.o +obj-$(CONFIG_ELECTRA_IDE) += electra_ide.o obj-$(CONFIG_PPC_PASEMI_CPUFREQ) += cpufreq.o diff --git a/arch/powerpc/platforms/pasemi/electra_ide.c b/arch/powerpc/platforms/pasemi/electra_ide.c new file mode 100644 index 0000000..12fb0c9 --- /dev/null +++ b/arch/powerpc/platforms/pasemi/electra_ide.c @@ -0,0 +1,96 @@ +/* + * Copyright (C) 2007 PA Semi, Inc + * + * Maintained by: Olof Johansson <olof@lixom.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/platform_device.h> + +#include <asm/prom.h> +#include <asm/system.h> + +/* The electra IDE interface is incredibly simple: Just a device on the localbus + * with interrupts hooked up to one of the GPIOs. The device tree contains the + * address window and interrupt mappings already, and the pata_platform driver handles + * the rest. We just need to hook the two up. + */ + +#define MAX_IFS 4 /* really, we have only one */ + +static struct platform_device *pdevs[MAX_IFS]; + +static int __devinit electra_ide_init(void) +{ + struct device_node *np; + struct resource r[3]; + int ret = 0; + int i; + + np = of_find_compatible_node(NULL, "ide", "electra-ide"); + i = 0; + + while (np && i < MAX_IFS) { + memset(r, 0, sizeof(r)); + + /* pata_platform wants two address ranges: one for the base registers, + * another for the control (altstatus). It's located at offset 0x3f6 in + * the window, but the device tree only has one large register window + * that covers both ranges. So we need to split it up by hand here: + */ + + ret = of_address_to_resource(np, 0, &r[0]); + if (ret) + goto out; + ret = of_address_to_resource(np, 0, &r[1]); + if (ret) + goto out; + + r[1].start += 0x3f6; + r[0].end = r[1].start-1; + + r[2].start = irq_of_parse_and_map(np, 0); + r[2].end = irq_of_parse_and_map(np, 0); + r[2].flags = IORESOURCE_IRQ; + + pr_debug("registering platform device at 0x%lx/0x%lx, irq is %ld\n", + r[0].start, r[1].start, r[2].start); + pdevs[i] = platform_device_register_simple("pata_platform", i, r, 3); + if (IS_ERR(pdevs[i])) { + ret = PTR_ERR(pdevs[i]); + pdevs[i] = NULL; + goto out; + } + np = of_find_compatible_node(np, "ide", "electra-ide"); + } +out: + return ret; +} +module_init(electra_ide_init); + +static void __devexit electra_ide_exit(void) +{ + int i; + + for (i = 0; i < MAX_IFS; i++) + if (pdevs[i]) + platform_device_unregister(pdevs[i]); +} +module_exit(electra_ide_exit); + + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR ("Olof Johansson <olof@lixom.net>"); +MODULE_DESCRIPTION("PA Semi Electra IDE driver"); diff --git a/arch/powerpc/platforms/pasemi/pci.c b/arch/powerpc/platforms/pasemi/pci.c index bbc6dfc..ab1f5f6 100644 --- a/arch/powerpc/platforms/pasemi/pci.c +++ b/arch/powerpc/platforms/pasemi/pci.c @@ -132,7 +132,7 @@ static void __init setup_pa_pxp(struct pci_controller *hose) hose->cfg_data = ioremap(0xe0000000, 0x10000000); } -static int __init add_bridge(struct device_node *dev) +static int __init pas_add_bridge(struct device_node *dev) { struct pci_controller *hose; @@ -150,29 +150,11 @@ static int __init add_bridge(struct device_node *dev) printk(KERN_INFO "Found PA-PXP PCI host bridge.\n"); /* Interpret the "ranges" property */ - /* This also maps the I/O region and sets isa_io/mem_base */ pci_process_bridge_OF_ranges(hose, dev, 1); - pci_setup_phb_io(hose, 1); return 0; } - -static void __init pas_fixup_phb_resources(void) -{ - struct pci_controller *hose, *tmp; - - list_for_each_entry_safe(hose, tmp, &hose_list, list_node) { - unsigned long offset = (unsigned long)hose->io_base_virt - pci_io_base; - hose->io_resource.start += offset; - hose->io_resource.end += offset; - printk(KERN_INFO "PCI Host %d, io start: %lx; io end: %lx\n", - hose->global_number, - hose->io_resource.start, hose->io_resource.end); - } -} - - void __init pas_pci_init(void) { struct device_node *np, *root; @@ -185,13 +167,11 @@ void __init pas_pci_init(void) } for (np = NULL; (np = of_get_next_child(root, np)) != NULL;) - if (np->name && !strcmp(np->name, "pxp") && !add_bridge(np)) + if (np->name && !strcmp(np->name, "pxp") && !pas_add_bridge(np)) of_node_get(np); of_node_put(root); - pas_fixup_phb_resources(); - /* Setup the linkage between OF nodes and PHBs */ pci_devs_phb_init(); diff --git a/arch/powerpc/platforms/pasemi/setup.c b/arch/powerpc/platforms/pasemi/setup.c index c5a3f61..ffe6528 100644 --- a/arch/powerpc/platforms/pasemi/setup.c +++ b/arch/powerpc/platforms/pasemi/setup.c @@ -239,7 +239,7 @@ static int __init pas_probe(void) return 1; } -define_machine(pas) { +define_machine(pasemi) { .name = "PA Semi PA6T-1682M", .probe = pas_probe, .setup_arch = pas_setup_arch, diff --git a/arch/powerpc/platforms/powermac/Kconfig b/arch/powerpc/platforms/powermac/Kconfig index 5b7afe5..055990c 100644 --- a/arch/powerpc/platforms/powermac/Kconfig +++ b/arch/powerpc/platforms/powermac/Kconfig @@ -2,6 +2,7 @@ config PPC_PMAC bool "Apple PowerMac based machines" depends on PPC_MULTIPLATFORM select MPIC + select PCI select PPC_INDIRECT_PCI if PPC32 select PPC_MPC106 if PPC32 select PPC_NATIVE diff --git a/arch/powerpc/platforms/powermac/low_i2c.c b/arch/powerpc/platforms/powermac/low_i2c.c index 3f507ab..efdf5eb 100644 --- a/arch/powerpc/platforms/powermac/low_i2c.c +++ b/arch/powerpc/platforms/powermac/low_i2c.c @@ -42,6 +42,7 @@ #include <linux/interrupt.h> #include <linux/completion.h> #include <linux/timer.h> +#include <linux/mutex.h> #include <asm/keylargo.h> #include <asm/uninorth.h> #include <asm/io.h> @@ -84,7 +85,7 @@ struct pmac_i2c_bus void *hostdata; int channel; /* some hosts have multiple */ int mode; /* current mode */ - struct semaphore sem; + struct mutex mutex; int opened; int polled; /* open mode */ struct platform_device *platform_dev; @@ -104,7 +105,7 @@ static LIST_HEAD(pmac_i2c_busses); struct pmac_i2c_host_kw { - struct semaphore mutex; /* Access mutex for use by + struct mutex mutex; /* Access mutex for use by * i2c-keywest */ void __iomem *base; /* register base address */ int bsteps; /* register stepping */ @@ -375,14 +376,14 @@ static void kw_i2c_timeout(unsigned long data) static int kw_i2c_open(struct pmac_i2c_bus *bus) { struct pmac_i2c_host_kw *host = bus->hostdata; - down(&host->mutex); + mutex_lock(&host->mutex); return 0; } static void kw_i2c_close(struct pmac_i2c_bus *bus) { struct pmac_i2c_host_kw *host = bus->hostdata; - up(&host->mutex); + mutex_unlock(&host->mutex); } static int kw_i2c_xfer(struct pmac_i2c_bus *bus, u8 addrdir, int subsize, @@ -498,7 +499,7 @@ static struct pmac_i2c_host_kw *__init kw_i2c_host_init(struct device_node *np) kfree(host); return NULL; } - init_MUTEX(&host->mutex); + mutex_init(&host->mutex); init_completion(&host->complete); spin_lock_init(&host->lock); init_timer(&host->timeout_timer); @@ -571,7 +572,7 @@ static void __init kw_i2c_add(struct pmac_i2c_host_kw *host, bus->open = kw_i2c_open; bus->close = kw_i2c_close; bus->xfer = kw_i2c_xfer; - init_MUTEX(&bus->sem); + mutex_init(&bus->mutex); if (controller == busnode) bus->flags = pmac_i2c_multibus; list_add(&bus->link, &pmac_i2c_busses); @@ -798,7 +799,7 @@ static void __init pmu_i2c_probe(void) bus->mode = pmac_i2c_mode_std; bus->hostdata = bus + 1; bus->xfer = pmu_i2c_xfer; - init_MUTEX(&bus->sem); + mutex_init(&bus->mutex); bus->flags = pmac_i2c_multibus; list_add(&bus->link, &pmac_i2c_busses); @@ -921,7 +922,7 @@ static void __init smu_i2c_probe(void) bus->mode = pmac_i2c_mode_std; bus->hostdata = bus + 1; bus->xfer = smu_i2c_xfer; - init_MUTEX(&bus->sem); + mutex_init(&bus->mutex); bus->flags = 0; list_add(&bus->link, &pmac_i2c_busses); @@ -1093,13 +1094,13 @@ int pmac_i2c_open(struct pmac_i2c_bus *bus, int polled) { int rc; - down(&bus->sem); + mutex_lock(&bus->mutex); bus->polled = polled || pmac_i2c_force_poll; bus->opened = 1; bus->mode = pmac_i2c_mode_std; if (bus->open && (rc = bus->open(bus)) != 0) { bus->opened = 0; - up(&bus->sem); + mutex_unlock(&bus->mutex); return rc; } return 0; @@ -1112,7 +1113,7 @@ void pmac_i2c_close(struct pmac_i2c_bus *bus) if (bus->close) bus->close(bus); bus->opened = 0; - up(&bus->sem); + mutex_unlock(&bus->mutex); } EXPORT_SYMBOL_GPL(pmac_i2c_close); diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c index c4af9e2..92586db 100644 --- a/arch/powerpc/platforms/powermac/pci.c +++ b/arch/powerpc/platforms/powermac/pci.c @@ -35,8 +35,6 @@ #define DBG(x...) #endif -static int add_bridge(struct device_node *dev); - /* XXX Could be per-controller, but I don't think we risk anything by * assuming we won't have both UniNorth and Bandit */ static int has_uninorth; @@ -897,7 +895,7 @@ static void __init setup_u3_ht(struct pci_controller* hose) * "pci" (a MPC106) and no bandit or chaos bridges, and contrariwise, * if we have one or more bandit or chaos bridges, we don't have a MPC106. */ -static int __init add_bridge(struct device_node *dev) +static int __init pmac_add_bridge(struct device_node *dev) { int len; struct pci_controller *hose; @@ -918,15 +916,9 @@ static int __init add_bridge(struct device_node *dev) " bus 0\n", dev->full_name); } - /* XXX Different prototypes, to be merged */ -#ifdef CONFIG_PPC64 hose = pcibios_alloc_controller(dev); -#else - hose = pcibios_alloc_controller(); -#endif if (!hose) return -ENOMEM; - hose->arch_data = dev; hose->first_busno = bus_range ? bus_range[0] : 0; hose->last_busno = bus_range ? bus_range[1] : 0xff; @@ -1006,19 +998,6 @@ void __devinit pmac_pci_irq_fixup(struct pci_dev *dev) #endif /* CONFIG_PPC32 */ } -#ifdef CONFIG_PPC64 -static void __init pmac_fixup_phb_resources(void) -{ - struct pci_controller *hose, *tmp; - - list_for_each_entry_safe(hose, tmp, &hose_list, list_node) { - printk(KERN_INFO "PCI Host %d, io start: %lx; io end: %lx\n", - hose->global_number, - hose->io_resource.start, hose->io_resource.end); - } -} -#endif - void __init pmac_pci_init(void) { struct device_node *np, *root; @@ -1036,7 +1015,7 @@ void __init pmac_pci_init(void) if (strcmp(np->name, "bandit") == 0 || strcmp(np->name, "chaos") == 0 || strcmp(np->name, "pci") == 0) { - if (add_bridge(np) == 0) + if (pmac_add_bridge(np) == 0) of_node_get(np); } if (strcmp(np->name, "ht") == 0) { @@ -1050,28 +1029,9 @@ void __init pmac_pci_init(void) /* Probe HT last as it relies on the agp resources to be already * setup */ - if (ht && add_bridge(ht) != 0) + if (ht && pmac_add_bridge(ht) != 0) of_node_put(ht); - /* - * We need to call pci_setup_phb_io for the HT bridge first - * so it gets the I/O port numbers starting at 0, and we - * need to call it for the AGP bridge after that so it gets - * small positive I/O port numbers. - */ - if (u3_ht) - pci_setup_phb_io(u3_ht, 1); - if (u3_agp) - pci_setup_phb_io(u3_agp, 0); - if (u4_pcie) - pci_setup_phb_io(u4_pcie, 0); - - /* - * On ppc64, fixup the IO resources on our host bridges as - * the common code does it only for children of the host bridges - */ - pmac_fixup_phb_resources(); - /* Setup the linkage between OF nodes and PHBs */ pci_devs_phb_init(); diff --git a/arch/powerpc/platforms/ps3/Kconfig b/arch/powerpc/platforms/ps3/Kconfig index 40f0008..a05079b 100644 --- a/arch/powerpc/platforms/ps3/Kconfig +++ b/arch/powerpc/platforms/ps3/Kconfig @@ -7,6 +7,7 @@ config PPC_PS3 select USB_OHCI_BIG_ENDIAN_MMIO select USB_ARCH_HAS_EHCI select USB_EHCI_BIG_ENDIAN_MMIO + select MEMORY_HOTPLUG help This option enables support for the Sony PS3 game console and other platforms using the PS3 hypervisor. @@ -73,18 +74,12 @@ config PS3_USE_LPAR_ADDR config PS3_VUART depends on PPC_PS3 - bool "PS3 Virtual UART support" if PS3_ADVANCED - default y - help - Include support for the PS3 Virtual UART. - - This support is required for several system services - including the System Manager and AV Settings. In - general, all users will say Y. + tristate config PS3_PS3AV + depends on PPC_PS3 tristate "PS3 AV settings driver" if PS3_ADVANCED - depends on PS3_VUART + select PS3_VUART default y help Include support for the PS3 AV Settings driver. @@ -93,13 +88,18 @@ config PS3_PS3AV general, all users will say Y or M. config PS3_SYS_MANAGER - bool "PS3 System Manager driver" if PS3_ADVANCED - depends on PS3_VUART - default y + depends on PPC_PS3 + tristate "PS3 System Manager driver" if PS3_ADVANCED + select PS3_VUART + default m help Include support for the PS3 System Manager. This support is required for system control. In - general, all users will say Y. + general, all users will say Y or M. + +config PS3_STORAGE + depends on PPC_PS3 + tristate endmenu diff --git a/arch/powerpc/platforms/ps3/Makefile b/arch/powerpc/platforms/ps3/Makefile index a0048fc..ac1bdf8 100644 --- a/arch/powerpc/platforms/ps3/Makefile +++ b/arch/powerpc/platforms/ps3/Makefile @@ -4,3 +4,4 @@ obj-y += system-bus.o obj-$(CONFIG_SMP) += smp.o obj-$(CONFIG_SPU_BASE) += spu.o +obj-y += device-init.o diff --git a/arch/powerpc/platforms/ps3/device-init.c b/arch/powerpc/platforms/ps3/device-init.c new file mode 100644 index 0000000..825ebb2 --- /dev/null +++ b/arch/powerpc/platforms/ps3/device-init.c @@ -0,0 +1,785 @@ +/* + * PS3 device registration routines. + * + * Copyright (C) 2007 Sony Computer Entertainment Inc. + * Copyright 2007 Sony Corp. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/delay.h> +#include <linux/freezer.h> +#include <linux/kernel.h> +#include <linux/kthread.h> +#include <linux/init.h> + +#include <asm/firmware.h> +#include <asm/lv1call.h> +#include <asm/ps3stor.h> + +#include "platform.h" + +/** + * ps3_setup_gelic_device - Setup and register a gelic device instance. + * + * Allocates memory for a struct ps3_system_bus_device instance, initialises the + * structure members, and registers the device instance with the system bus. + */ + +static int __init ps3_setup_gelic_device( + const struct ps3_repository_device *repo) +{ + int result; + struct layout { + struct ps3_system_bus_device dev; + struct ps3_dma_region d_region; + } *p; + + pr_debug(" -> %s:%d\n", __func__, __LINE__); + + BUG_ON(repo->bus_type != PS3_BUS_TYPE_SB); + BUG_ON(repo->dev_type != PS3_DEV_TYPE_SB_GELIC); + + p = kzalloc(sizeof(struct layout), GFP_KERNEL); + + if (!p) { + result = -ENOMEM; + goto fail_malloc; + } + + p->dev.match_id = PS3_MATCH_ID_GELIC; + p->dev.dev_type = PS3_DEVICE_TYPE_SB; + p->dev.bus_id = repo->bus_id; + p->dev.dev_id = repo->dev_id; + p->dev.d_region = &p->d_region; + + result = ps3_repository_find_interrupt(repo, + PS3_INTERRUPT_TYPE_EVENT_PORT, &p->dev.interrupt_id); + + if (result) { + pr_debug("%s:%d ps3_repository_find_interrupt failed\n", + __func__, __LINE__); + goto fail_find_interrupt; + } + + BUG_ON(p->dev.interrupt_id != 0); + + result = ps3_dma_region_init(&p->dev, p->dev.d_region, PS3_DMA_64K, + PS3_DMA_OTHER, NULL, 0); + + if (result) { + pr_debug("%s:%d ps3_dma_region_init failed\n", + __func__, __LINE__); + goto fail_dma_init; + } + + result = ps3_system_bus_device_register(&p->dev); + + if (result) { + pr_debug("%s:%d ps3_system_bus_device_register failed\n", + __func__, __LINE__); + goto fail_device_register; + } + + pr_debug(" <- %s:%d\n", __func__, __LINE__); + return result; + +fail_device_register: +fail_dma_init: +fail_find_interrupt: + kfree(p); +fail_malloc: + pr_debug(" <- %s:%d: fail.\n", __func__, __LINE__); + return result; +} + +static int __init_refok ps3_setup_uhc_device( + const struct ps3_repository_device *repo, enum ps3_match_id match_id, + enum ps3_interrupt_type interrupt_type, enum ps3_reg_type reg_type) +{ + int result; + struct layout { + struct ps3_system_bus_device dev; + struct ps3_dma_region d_region; + struct ps3_mmio_region m_region; + } *p; + u64 bus_addr; + u64 len; + + pr_debug(" -> %s:%d\n", __func__, __LINE__); + + BUG_ON(repo->bus_type != PS3_BUS_TYPE_SB); + BUG_ON(repo->dev_type != PS3_DEV_TYPE_SB_USB); + + p = kzalloc(sizeof(struct layout), GFP_KERNEL); + + if (!p) { + result = -ENOMEM; + goto fail_malloc; + } + + p->dev.match_id = match_id; + p->dev.dev_type = PS3_DEVICE_TYPE_SB; + p->dev.bus_id = repo->bus_id; + p->dev.dev_id = repo->dev_id; + p->dev.d_region = &p->d_region; + p->dev.m_region = &p->m_region; + + result = ps3_repository_find_interrupt(repo, + interrupt_type, &p->dev.interrupt_id); + + if (result) { + pr_debug("%s:%d ps3_repository_find_interrupt failed\n", + __func__, __LINE__); + goto fail_find_interrupt; + } + + result = ps3_repository_find_reg(repo, reg_type, + &bus_addr, &len); + + if (result) { + pr_debug("%s:%d ps3_repository_find_reg failed\n", + __func__, __LINE__); + goto fail_find_reg; + } + + result = ps3_dma_region_init(&p->dev, p->dev.d_region, PS3_DMA_64K, + PS3_DMA_INTERNAL, NULL, 0); + + if (result) { + pr_debug("%s:%d ps3_dma_region_init failed\n", + __func__, __LINE__); + goto fail_dma_init; + } + + result = ps3_mmio_region_init(&p->dev, p->dev.m_region, bus_addr, len, + PS3_MMIO_4K); + + if (result) { + pr_debug("%s:%d ps3_mmio_region_init failed\n", + __func__, __LINE__); + goto fail_mmio_init; + } + + result = ps3_system_bus_device_register(&p->dev); + + if (result) { + pr_debug("%s:%d ps3_system_bus_device_register failed\n", + __func__, __LINE__); + goto fail_device_register; + } + + pr_debug(" <- %s:%d\n", __func__, __LINE__); + return result; + +fail_device_register: +fail_mmio_init: +fail_dma_init: +fail_find_reg: +fail_find_interrupt: + kfree(p); +fail_malloc: + pr_debug(" <- %s:%d: fail.\n", __func__, __LINE__); + return result; +} + +static int __init ps3_setup_ehci_device( + const struct ps3_repository_device *repo) +{ + return ps3_setup_uhc_device(repo, PS3_MATCH_ID_EHCI, + PS3_INTERRUPT_TYPE_SB_EHCI, PS3_REG_TYPE_SB_EHCI); +} + +static int __init ps3_setup_ohci_device( + const struct ps3_repository_device *repo) +{ + return ps3_setup_uhc_device(repo, PS3_MATCH_ID_OHCI, + PS3_INTERRUPT_TYPE_SB_OHCI, PS3_REG_TYPE_SB_OHCI); +} + +static int __init ps3_setup_vuart_device(enum ps3_match_id match_id, + unsigned int port_number) +{ + int result; + struct layout { + struct ps3_system_bus_device dev; + } *p; + + pr_debug(" -> %s:%d: match_id %u, port %u\n", __func__, __LINE__, + match_id, port_number); + + p = kzalloc(sizeof(struct layout), GFP_KERNEL); + + if (!p) + return -ENOMEM; + + p->dev.match_id = match_id; + p->dev.dev_type = PS3_DEVICE_TYPE_VUART; + p->dev.port_number = port_number; + + result = ps3_system_bus_device_register(&p->dev); + + if (result) + pr_debug("%s:%d ps3_system_bus_device_register failed\n", + __func__, __LINE__); + + pr_debug(" <- %s:%d\n", __func__, __LINE__); + return result; +} + +static int ps3stor_wait_for_completion(u64 dev_id, u64 tag, + unsigned int timeout) +{ + int result = -1; + unsigned int retries = 0; + u64 status; + + for (retries = 0; retries < timeout; retries++) { + result = lv1_storage_check_async_status(dev_id, tag, &status); + if (!result) + break; + + msleep(1); + } + + if (result) + pr_debug("%s:%u: check_async_status: %s, status %lx\n", + __func__, __LINE__, ps3_result(result), status); + + return result; +} + +/** + * ps3_storage_wait_for_device - Wait for a storage device to become ready. + * @repo: The repository device to wait for. + * + * Uses the hypervisor's storage device notification mechanism to wait until + * a storage device is ready. The device notification mechanism uses a + * psuedo device (id = -1) to asynchronously notify the guest when storage + * devices become ready. The notification device has a block size of 512 + * bytes. + */ + +static int ps3_storage_wait_for_device(const struct ps3_repository_device *repo) +{ + int result; + const u64 notification_dev_id = (u64)-1LL; + const unsigned int timeout = HZ; + u64 lpar; + u64 tag; + struct { + u64 operation_code; /* must be zero */ + u64 event_mask; /* 1 = device ready */ + } *notify_cmd; + struct { + u64 event_type; /* notify_device_ready */ + u64 bus_id; + u64 dev_id; + u64 dev_type; + u64 dev_port; + } *notify_event; + enum { + notify_device_ready = 1 + }; + + pr_debug(" -> %s:%u: bus_id %u, dev_id %u, dev_type %u\n", __func__, + __LINE__, repo->bus_id, repo->dev_id, repo->dev_type); + + notify_cmd = kzalloc(512, GFP_KERNEL); + notify_event = (void *)notify_cmd; + if (!notify_cmd) + return -ENOMEM; + + lpar = ps3_mm_phys_to_lpar(__pa(notify_cmd)); + + result = lv1_open_device(repo->bus_id, notification_dev_id, 0); + if (result) { + printk(KERN_ERR "%s:%u: lv1_open_device %s\n", __func__, + __LINE__, ps3_result(result)); + result = -ENODEV; + goto fail_free; + } + + /* Setup and write the request for device notification. */ + + notify_cmd->operation_code = 0; /* must be zero */ + notify_cmd->event_mask = 0x01; /* device ready */ + + result = lv1_storage_write(notification_dev_id, 0, 0, 1, 0, lpar, + &tag); + if (result) { + printk(KERN_ERR "%s:%u: write failed %s\n", __func__, __LINE__, + ps3_result(result)); + result = -ENODEV; + goto fail_close; + } + + /* Wait for the write completion */ + + result = ps3stor_wait_for_completion(notification_dev_id, tag, + timeout); + if (result) { + printk(KERN_ERR "%s:%u: write not completed %s\n", __func__, + __LINE__, ps3_result(result)); + result = -ENODEV; + goto fail_close; + } + + /* Loop here processing the requested notification events. */ + + result = -ENODEV; + while (1) { + memset(notify_event, 0, sizeof(*notify_event)); + + result = lv1_storage_read(notification_dev_id, 0, 0, 1, 0, + lpar, &tag); + if (result) { + printk(KERN_ERR "%s:%u: write failed %s\n", __func__, + __LINE__, ps3_result(result)); + break; + } + + result = ps3stor_wait_for_completion(notification_dev_id, tag, + timeout); + if (result) { + printk(KERN_ERR "%s:%u: read not completed %s\n", + __func__, __LINE__, ps3_result(result)); + break; + } + + if (notify_event->event_type != notify_device_ready || + notify_event->bus_id != repo->bus_id) { + pr_debug("%s:%u: bad notify_event: event %lu, " + "dev_id %lu, dev_type %lu\n", + __func__, __LINE__, notify_event->event_type, + notify_event->dev_id, notify_event->dev_type); + break; + } + + if (notify_event->dev_id == repo->dev_id && + notify_event->dev_type == repo->dev_type) { + pr_debug("%s:%u: device ready: dev_id %u\n", __func__, + __LINE__, repo->dev_id); + result = 0; + break; + } + + if (notify_event->dev_id == repo->dev_id && + notify_event->dev_type == PS3_DEV_TYPE_NOACCESS) { + pr_debug("%s:%u: no access: dev_id %u\n", __func__, + __LINE__, repo->dev_id); + break; + } + } + +fail_close: + lv1_close_device(repo->bus_id, notification_dev_id); +fail_free: + kfree(notify_cmd); + pr_debug(" <- %s:%u\n", __func__, __LINE__); + return result; +} + +static int ps3_setup_storage_dev(const struct ps3_repository_device *repo, + enum ps3_match_id match_id) +{ + int result; + struct ps3_storage_device *p; + u64 port, blk_size, num_blocks; + unsigned int num_regions, i; + + pr_debug(" -> %s:%u: match_id %u\n", __func__, __LINE__, match_id); + + result = ps3_repository_read_stor_dev_info(repo->bus_index, + repo->dev_index, &port, + &blk_size, &num_blocks, + &num_regions); + if (result) { + printk(KERN_ERR "%s:%u: _read_stor_dev_info failed %d\n", + __func__, __LINE__, result); + return -ENODEV; + } + + pr_debug("%s:%u: index %u:%u: port %lu blk_size %lu num_blocks %lu " + "num_regions %u\n", __func__, __LINE__, repo->bus_index, + repo->dev_index, port, blk_size, num_blocks, num_regions); + + p = kzalloc(sizeof(struct ps3_storage_device) + + num_regions * sizeof(struct ps3_storage_region), + GFP_KERNEL); + if (!p) { + result = -ENOMEM; + goto fail_malloc; + } + + p->sbd.match_id = match_id; + p->sbd.dev_type = PS3_DEVICE_TYPE_SB; + p->sbd.bus_id = repo->bus_id; + p->sbd.dev_id = repo->dev_id; + p->sbd.d_region = &p->dma_region; + p->blk_size = blk_size; + p->num_regions = num_regions; + + result = ps3_repository_find_interrupt(repo, + PS3_INTERRUPT_TYPE_EVENT_PORT, + &p->sbd.interrupt_id); + if (result) { + printk(KERN_ERR "%s:%u: find_interrupt failed %d\n", __func__, + __LINE__, result); + result = -ENODEV; + goto fail_find_interrupt; + } + + /* FIXME: Arrange to only do this on a 'cold' boot */ + + result = ps3_storage_wait_for_device(repo); + if (result) { + printk(KERN_ERR "%s:%u: storage_notification failed %d\n", + __func__, __LINE__, result); + result = -ENODEV; + goto fail_probe_notification; + } + + for (i = 0; i < num_regions; i++) { + unsigned int id; + u64 start, size; + + result = ps3_repository_read_stor_dev_region(repo->bus_index, + repo->dev_index, + i, &id, &start, + &size); + if (result) { + printk(KERN_ERR + "%s:%u: read_stor_dev_region failed %d\n", + __func__, __LINE__, result); + result = -ENODEV; + goto fail_read_region; + } + pr_debug("%s:%u: region %u: id %u start %lu size %lu\n", + __func__, __LINE__, i, id, start, size); + + p->regions[i].id = id; + p->regions[i].start = start; + p->regions[i].size = size; + } + + result = ps3_system_bus_device_register(&p->sbd); + if (result) { + pr_debug("%s:%u ps3_system_bus_device_register failed\n", + __func__, __LINE__); + goto fail_device_register; + } + + pr_debug(" <- %s:%u\n", __func__, __LINE__); + return 0; + +fail_device_register: +fail_read_region: +fail_probe_notification: +fail_find_interrupt: + kfree(p); +fail_malloc: + pr_debug(" <- %s:%u: fail.\n", __func__, __LINE__); + return result; +} + +static int __init ps3_register_vuart_devices(void) +{ + int result; + unsigned int port_number; + + pr_debug(" -> %s:%d\n", __func__, __LINE__); + + result = ps3_repository_read_vuart_av_port(&port_number); + if (result) + port_number = 0; /* av default */ + + result = ps3_setup_vuart_device(PS3_MATCH_ID_AV_SETTINGS, port_number); + WARN_ON(result); + + result = ps3_repository_read_vuart_sysmgr_port(&port_number); + if (result) + port_number = 2; /* sysmgr default */ + + result = ps3_setup_vuart_device(PS3_MATCH_ID_SYSTEM_MANAGER, + port_number); + WARN_ON(result); + + pr_debug(" <- %s:%d\n", __func__, __LINE__); + return result; +} + +static int __init ps3_register_sound_devices(void) +{ + int result; + struct layout { + struct ps3_system_bus_device dev; + struct ps3_dma_region d_region; + struct ps3_mmio_region m_region; + } *p; + + pr_debug(" -> %s:%d\n", __func__, __LINE__); + + p = kzalloc(sizeof(*p), GFP_KERNEL); + if (!p) + return -ENOMEM; + + p->dev.match_id = PS3_MATCH_ID_SOUND; + p->dev.dev_type = PS3_DEVICE_TYPE_IOC0; + p->dev.d_region = &p->d_region; + p->dev.m_region = &p->m_region; + + result = ps3_system_bus_device_register(&p->dev); + + if (result) + pr_debug("%s:%d ps3_system_bus_device_register failed\n", + __func__, __LINE__); + + pr_debug(" <- %s:%d\n", __func__, __LINE__); + return result; +} + +static int __init ps3_register_graphics_devices(void) +{ + int result; + struct layout { + struct ps3_system_bus_device dev; + } *p; + + pr_debug(" -> %s:%d\n", __func__, __LINE__); + + p = kzalloc(sizeof(struct layout), GFP_KERNEL); + + if (!p) + return -ENOMEM; + + p->dev.match_id = PS3_MATCH_ID_GRAPHICS; + p->dev.dev_type = PS3_DEVICE_TYPE_IOC0; + + result = ps3_system_bus_device_register(&p->dev); + + if (result) + pr_debug("%s:%d ps3_system_bus_device_register failed\n", + __func__, __LINE__); + + pr_debug(" <- %s:%d\n", __func__, __LINE__); + return result; +} + +/** + * ps3_register_repository_device - Register a device from the repositiory info. + * + */ + +static int ps3_register_repository_device( + const struct ps3_repository_device *repo) +{ + int result; + + switch (repo->dev_type) { + case PS3_DEV_TYPE_SB_GELIC: + result = ps3_setup_gelic_device(repo); + if (result) { + pr_debug("%s:%d ps3_setup_gelic_device failed\n", + __func__, __LINE__); + } + break; + case PS3_DEV_TYPE_SB_USB: + + /* Each USB device has both an EHCI and an OHCI HC */ + + result = ps3_setup_ehci_device(repo); + + if (result) { + pr_debug("%s:%d ps3_setup_ehci_device failed\n", + __func__, __LINE__); + } + + result = ps3_setup_ohci_device(repo); + + if (result) { + pr_debug("%s:%d ps3_setup_ohci_device failed\n", + __func__, __LINE__); + } + break; + case PS3_DEV_TYPE_STOR_DISK: + result = ps3_setup_storage_dev(repo, PS3_MATCH_ID_STOR_DISK); + + /* Some devices are not accessable from the Other OS lpar. */ + if (result == -ENODEV) { + result = 0; + pr_debug("%s:%u: not accessable\n", __func__, + __LINE__); + } + + if (result) + pr_debug("%s:%u ps3_setup_storage_dev failed\n", + __func__, __LINE__); + break; + + case PS3_DEV_TYPE_STOR_ROM: + result = ps3_setup_storage_dev(repo, PS3_MATCH_ID_STOR_ROM); + if (result) + pr_debug("%s:%u ps3_setup_storage_dev failed\n", + __func__, __LINE__); + break; + + case PS3_DEV_TYPE_STOR_FLASH: + result = ps3_setup_storage_dev(repo, PS3_MATCH_ID_STOR_FLASH); + if (result) + pr_debug("%s:%u ps3_setup_storage_dev failed\n", + __func__, __LINE__); + break; + + default: + result = 0; + pr_debug("%s:%u: unsupported dev_type %u\n", __func__, __LINE__, + repo->dev_type); + } + + return result; +} + +/** + * ps3_probe_thread - Background repository probing at system startup. + * + * This implementation only supports background probing on a single bus. + */ + +static int ps3_probe_thread(void *data) +{ + struct ps3_repository_device *repo = data; + int result; + unsigned int ms = 250; + + pr_debug(" -> %s:%u: kthread started\n", __func__, __LINE__); + + do { + try_to_freeze(); + + pr_debug("%s:%u: probing...\n", __func__, __LINE__); + + do { + result = ps3_repository_find_device(repo); + + if (result == -ENODEV) + pr_debug("%s:%u: nothing new\n", __func__, + __LINE__); + else if (result) + pr_debug("%s:%u: find device error.\n", + __func__, __LINE__); + else { + pr_debug("%s:%u: found device\n", __func__, + __LINE__); + ps3_register_repository_device(repo); + ps3_repository_bump_device(repo); + ms = 250; + } + } while (!result); + + pr_debug("%s:%u: ms %u\n", __func__, __LINE__, ms); + + if ( ms > 60000) + break; + + msleep_interruptible(ms); + + /* An exponential backoff. */ + ms <<= 1; + + } while (!kthread_should_stop()); + + pr_debug(" <- %s:%u: kthread finished\n", __func__, __LINE__); + + return 0; +} + +/** + * ps3_start_probe_thread - Starts the background probe thread. + * + */ + +static int __init ps3_start_probe_thread(enum ps3_bus_type bus_type) +{ + int result; + struct task_struct *task; + static struct ps3_repository_device repo; /* must be static */ + + pr_debug(" -> %s:%d\n", __func__, __LINE__); + + memset(&repo, 0, sizeof(repo)); + + repo.bus_type = bus_type; + + result = ps3_repository_find_bus(repo.bus_type, 0, &repo.bus_index); + + if (result) { + printk(KERN_ERR "%s: Cannot find bus (%d)\n", __func__, result); + return -ENODEV; + } + + result = ps3_repository_read_bus_id(repo.bus_index, &repo.bus_id); + + if (result) { + printk(KERN_ERR "%s: read_bus_id failed %d\n", __func__, + result); + return -ENODEV; + } + + task = kthread_run(ps3_probe_thread, &repo, "ps3-probe-%u", bus_type); + + if (IS_ERR(task)) { + result = PTR_ERR(task); + printk(KERN_ERR "%s: kthread_run failed %d\n", __func__, + result); + return result; + } + + pr_debug(" <- %s:%d\n", __func__, __LINE__); + return 0; +} + +/** + * ps3_register_devices - Probe the system and register devices found. + * + * A device_initcall() routine. + */ + +static int __init ps3_register_devices(void) +{ + int result; + + if (!firmware_has_feature(FW_FEATURE_PS3_LV1)) + return -ENODEV; + + pr_debug(" -> %s:%d\n", __func__, __LINE__); + + /* ps3_repository_dump_bus_info(); */ + + result = ps3_start_probe_thread(PS3_BUS_TYPE_STORAGE); + + ps3_register_vuart_devices(); + + ps3_register_graphics_devices(); + + ps3_repository_find_devices(PS3_BUS_TYPE_SB, + ps3_register_repository_device); + + ps3_register_sound_devices(); + + pr_debug(" <- %s:%d\n", __func__, __LINE__); + return 0; +} + +device_initcall(ps3_register_devices); diff --git a/arch/powerpc/platforms/ps3/htab.c b/arch/powerpc/platforms/ps3/htab.c index a1409e4..5d2e176 100644 --- a/arch/powerpc/platforms/ps3/htab.c +++ b/arch/powerpc/platforms/ps3/htab.c @@ -29,12 +29,12 @@ #include "platform.h" #if defined(DEBUG) -#define DBG(fmt...) udbg_printf(fmt) +#define DBG udbg_printf #else -#define DBG(fmt...) do{if(0)printk(fmt);}while(0) +#define DBG pr_debug #endif -static hpte_t *htab; +static struct hash_pte *htab; static unsigned long htab_addr; static unsigned char *bolttab; static unsigned char *inusetab; @@ -44,8 +44,8 @@ static DEFINE_SPINLOCK(ps3_bolttab_lock); #define debug_dump_hpte(_a, _b, _c, _d, _e, _f, _g) \ _debug_dump_hpte(_a, _b, _c, _d, _e, _f, _g, __func__, __LINE__) static void _debug_dump_hpte(unsigned long pa, unsigned long va, - unsigned long group, unsigned long bitmap, hpte_t lhpte, int psize, - unsigned long slot, const char* func, int line) + unsigned long group, unsigned long bitmap, struct hash_pte lhpte, + int psize, unsigned long slot, const char* func, int line) { DBG("%s:%d: pa = %lxh\n", func, line, pa); DBG("%s:%d: lpar = %lxh\n", func, line, @@ -63,7 +63,7 @@ static long ps3_hpte_insert(unsigned long hpte_group, unsigned long va, unsigned long pa, unsigned long rflags, unsigned long vflags, int psize) { unsigned long slot; - hpte_t lhpte; + struct hash_pte lhpte; int secondary = 0; unsigned long result; unsigned long bitmap; @@ -234,10 +234,17 @@ static void ps3_hpte_invalidate(unsigned long slot, unsigned long va, static void ps3_hpte_clear(void) { - /* Make sure to clean up the frame buffer device first */ - ps3fb_cleanup(); + int result; - lv1_unmap_htab(htab_addr); + DBG(" -> %s:%d\n", __func__, __LINE__); + + result = lv1_unmap_htab(htab_addr); + BUG_ON(result); + + ps3_mm_shutdown(); + ps3_mm_vas_destroy(); + + DBG(" <- %s:%d\n", __func__, __LINE__); } void __init ps3_hpte_init(unsigned long htab_size) @@ -255,7 +262,7 @@ void __init ps3_hpte_init(unsigned long htab_size) ppc64_pft_size = __ilog2(htab_size); - bitmap_size = htab_size / sizeof(hpte_t) / 8; + bitmap_size = htab_size / sizeof(struct hash_pte) / 8; bolttab = __va(lmb_alloc(bitmap_size, 1)); inusetab = __va(lmb_alloc(bitmap_size, 1)); @@ -273,8 +280,8 @@ void __init ps3_map_htab(void) result = lv1_map_htab(0, &htab_addr); - htab = (hpte_t *)__ioremap(htab_addr, htab_size, - pgprot_val(PAGE_READONLY_X)); + htab = (__force struct hash_pte *)ioremap_flags(htab_addr, htab_size, + pgprot_val(PAGE_READONLY_X)); DBG("%s:%d: lpar %016lxh, virt %016lxh\n", __func__, __LINE__, htab_addr, (unsigned long)htab); diff --git a/arch/powerpc/platforms/ps3/interrupt.c b/arch/powerpc/platforms/ps3/interrupt.c index ec9030d..67e32ec 100644 --- a/arch/powerpc/platforms/ps3/interrupt.c +++ b/arch/powerpc/platforms/ps3/interrupt.c @@ -30,9 +30,9 @@ #include "platform.h" #if defined(DEBUG) -#define DBG(fmt...) udbg_printf(fmt) +#define DBG udbg_printf #else -#define DBG(fmt...) do{if(0)printk(fmt);}while(0) +#define DBG pr_debug #endif /** @@ -78,19 +78,85 @@ struct ps3_bmp { /** * struct ps3_private - a per cpu data structure * @bmp: ps3_bmp structure - * @node: HV logical_ppe_id - * @cpu: HV thread_id + * @ppe_id: HV logical_ppe_id + * @thread_id: HV thread_id */ struct ps3_private { struct ps3_bmp bmp __attribute__ ((aligned (PS3_BMP_MINALIGN))); - u64 node; - unsigned int cpu; + u64 ppe_id; + u64 thread_id; }; static DEFINE_PER_CPU(struct ps3_private, ps3_private); /** + * ps3_chip_mask - Set an interrupt mask bit in ps3_bmp. + * @virq: The assigned Linux virq. + * + * Sets ps3_bmp.mask and calls lv1_did_update_interrupt_mask(). + */ + +static void ps3_chip_mask(unsigned int virq) +{ + struct ps3_private *pd = get_irq_chip_data(virq); + unsigned long flags; + + pr_debug("%s:%d: thread_id %lu, virq %d\n", __func__, __LINE__, + pd->thread_id, virq); + + local_irq_save(flags); + clear_bit(63 - virq, &pd->bmp.mask); + lv1_did_update_interrupt_mask(pd->ppe_id, pd->thread_id); + local_irq_restore(flags); +} + +/** + * ps3_chip_unmask - Clear an interrupt mask bit in ps3_bmp. + * @virq: The assigned Linux virq. + * + * Clears ps3_bmp.mask and calls lv1_did_update_interrupt_mask(). + */ + +static void ps3_chip_unmask(unsigned int virq) +{ + struct ps3_private *pd = get_irq_chip_data(virq); + unsigned long flags; + + pr_debug("%s:%d: thread_id %lu, virq %d\n", __func__, __LINE__, + pd->thread_id, virq); + + local_irq_save(flags); + set_bit(63 - virq, &pd->bmp.mask); + lv1_did_update_interrupt_mask(pd->ppe_id, pd->thread_id); + local_irq_restore(flags); +} + +/** + * ps3_chip_eoi - HV end-of-interrupt. + * @virq: The assigned Linux virq. + * + * Calls lv1_end_of_interrupt_ext(). + */ + +static void ps3_chip_eoi(unsigned int virq) +{ + const struct ps3_private *pd = get_irq_chip_data(virq); + lv1_end_of_interrupt_ext(pd->ppe_id, pd->thread_id, virq); +} + +/** + * ps3_irq_chip - Represents the ps3_bmp as a Linux struct irq_chip. + */ + +static struct irq_chip ps3_irq_chip = { + .typename = "ps3", + .mask = ps3_chip_mask, + .unmask = ps3_chip_unmask, + .eoi = ps3_chip_eoi, +}; + +/** * ps3_virq_setup - virq related setup. * @cpu: enum ps3_cpu_binding indicating the cpu the interrupt should be * serviced on. @@ -134,6 +200,8 @@ int ps3_virq_setup(enum ps3_cpu_binding cpu, unsigned long outlet, goto fail_set; } + ps3_chip_mask(*virq); + return result; fail_set: @@ -153,8 +221,8 @@ int ps3_virq_destroy(unsigned int virq) { const struct ps3_private *pd = get_irq_chip_data(virq); - pr_debug("%s:%d: node %lu, cpu %d, virq %u\n", __func__, __LINE__, - pd->node, pd->cpu, virq); + pr_debug("%s:%d: ppe_id %lu, thread_id %lu, virq %u\n", __func__, + __LINE__, pd->ppe_id, pd->thread_id, virq); set_irq_chip_data(virq, NULL); irq_dispose_mapping(virq); @@ -190,7 +258,8 @@ int ps3_irq_plug_setup(enum ps3_cpu_binding cpu, unsigned long outlet, /* Binds outlet to cpu + virq. */ - result = lv1_connect_irq_plug_ext(pd->node, pd->cpu, *virq, outlet, 0); + result = lv1_connect_irq_plug_ext(pd->ppe_id, pd->thread_id, *virq, + outlet, 0); if (result) { pr_info("%s:%d: lv1_connect_irq_plug_ext failed: %s\n", @@ -222,10 +291,12 @@ int ps3_irq_plug_destroy(unsigned int virq) int result; const struct ps3_private *pd = get_irq_chip_data(virq); - pr_debug("%s:%d: node %lu, cpu %d, virq %u\n", __func__, __LINE__, - pd->node, pd->cpu, virq); + pr_debug("%s:%d: ppe_id %lu, thread_id %lu, virq %u\n", __func__, + __LINE__, pd->ppe_id, pd->thread_id, virq); + + ps3_chip_mask(virq); - result = lv1_disconnect_irq_plug_ext(pd->node, pd->cpu, virq); + result = lv1_disconnect_irq_plug_ext(pd->ppe_id, pd->thread_id, virq); if (result) pr_info("%s:%d: lv1_disconnect_irq_plug_ext failed: %s\n", @@ -282,7 +353,9 @@ int ps3_event_receive_port_destroy(unsigned int virq) { int result; - pr_debug(" -> %s:%d virq: %u\n", __func__, __LINE__, virq); + pr_debug(" -> %s:%d virq %u\n", __func__, __LINE__, virq); + + ps3_chip_mask(virq); result = lv1_destruct_event_receive_port(virq_to_hw(virq)); @@ -290,17 +363,14 @@ int ps3_event_receive_port_destroy(unsigned int virq) pr_debug("%s:%d: lv1_destruct_event_receive_port failed: %s\n", __func__, __LINE__, ps3_result(result)); - /* lv1_destruct_event_receive_port() destroys the IRQ plug, - * so don't call ps3_irq_plug_destroy() here. + /* + * Don't call ps3_virq_destroy() here since ps3_smp_cleanup_cpu() + * calls from interrupt context (smp_call_function) when kexecing. */ - result = ps3_virq_destroy(virq); - BUG_ON(result); - pr_debug(" <- %s:%d\n", __func__, __LINE__); return result; } -EXPORT_SYMBOL_GPL(ps3_event_receive_port_destroy); int ps3_send_event_locally(unsigned int virq) { @@ -311,17 +381,15 @@ int ps3_send_event_locally(unsigned int virq) * ps3_sb_event_receive_port_setup - Setup a system bus event receive port. * @cpu: enum ps3_cpu_binding indicating the cpu the interrupt should be * serviced on. - * @did: The HV device identifier read from the system repository. - * @interrupt_id: The device interrupt id read from the system repository. + * @dev: The system bus device instance. * @virq: The assigned Linux virq. * * An event irq represents a virtual device interrupt. The interrupt_id * coresponds to the software interrupt number. */ -int ps3_sb_event_receive_port_setup(enum ps3_cpu_binding cpu, - const struct ps3_device_id *did, unsigned int interrupt_id, - unsigned int *virq) +int ps3_sb_event_receive_port_setup(struct ps3_system_bus_device *dev, + enum ps3_cpu_binding cpu, unsigned int *virq) { /* this should go in system-bus.c */ @@ -332,8 +400,8 @@ int ps3_sb_event_receive_port_setup(enum ps3_cpu_binding cpu, if (result) return result; - result = lv1_connect_interrupt_event_receive_port(did->bus_id, - did->dev_id, virq_to_hw(*virq), interrupt_id); + result = lv1_connect_interrupt_event_receive_port(dev->bus_id, + dev->dev_id, virq_to_hw(*virq), dev->interrupt_id); if (result) { pr_debug("%s:%d: lv1_connect_interrupt_event_receive_port" @@ -345,24 +413,24 @@ int ps3_sb_event_receive_port_setup(enum ps3_cpu_binding cpu, } pr_debug("%s:%d: interrupt_id %u, virq %u\n", __func__, __LINE__, - interrupt_id, *virq); + dev->interrupt_id, *virq); return 0; } EXPORT_SYMBOL(ps3_sb_event_receive_port_setup); -int ps3_sb_event_receive_port_destroy(const struct ps3_device_id *did, - unsigned int interrupt_id, unsigned int virq) +int ps3_sb_event_receive_port_destroy(struct ps3_system_bus_device *dev, + unsigned int virq) { /* this should go in system-bus.c */ int result; pr_debug(" -> %s:%d: interrupt_id %u, virq %u\n", __func__, __LINE__, - interrupt_id, virq); + dev->interrupt_id, virq); - result = lv1_disconnect_interrupt_event_receive_port(did->bus_id, - did->dev_id, virq_to_hw(virq), interrupt_id); + result = lv1_disconnect_interrupt_event_receive_port(dev->bus_id, + dev->dev_id, virq_to_hw(virq), dev->interrupt_id); if (result) pr_debug("%s:%d: lv1_disconnect_interrupt_event_receive_port" @@ -372,6 +440,14 @@ int ps3_sb_event_receive_port_destroy(const struct ps3_device_id *did, result = ps3_event_receive_port_destroy(virq); BUG_ON(result); + /* + * ps3_event_receive_port_destroy() destroys the IRQ plug, + * so don't call ps3_irq_plug_destroy() here. + */ + + result = ps3_virq_destroy(virq); + BUG_ON(result); + pr_debug(" <- %s:%d\n", __func__, __LINE__); return result; } @@ -412,16 +488,24 @@ EXPORT_SYMBOL_GPL(ps3_io_irq_setup); int ps3_io_irq_destroy(unsigned int virq) { int result; + unsigned long outlet = virq_to_hw(virq); - result = lv1_destruct_io_irq_outlet(virq_to_hw(virq)); + ps3_chip_mask(virq); - if (result) - pr_debug("%s:%d: lv1_destruct_io_irq_outlet failed: %s\n", - __func__, __LINE__, ps3_result(result)); + /* + * lv1_destruct_io_irq_outlet() will destroy the IRQ plug, + * so call ps3_irq_plug_destroy() first. + */ result = ps3_irq_plug_destroy(virq); BUG_ON(result); + result = lv1_destruct_io_irq_outlet(outlet); + + if (result) + pr_debug("%s:%d: lv1_destruct_io_irq_outlet failed: %s\n", + __func__, __LINE__, ps3_result(result)); + return result; } EXPORT_SYMBOL_GPL(ps3_io_irq_destroy); @@ -461,11 +545,13 @@ int ps3_vuart_irq_setup(enum ps3_cpu_binding cpu, void* virt_addr_bmp, return result; } +EXPORT_SYMBOL_GPL(ps3_vuart_irq_setup); int ps3_vuart_irq_destroy(unsigned int virq) { int result; + ps3_chip_mask(virq); result = lv1_deconfigure_virtual_uart_irq(); if (result) { @@ -479,6 +565,7 @@ int ps3_vuart_irq_destroy(unsigned int virq) return result; } +EXPORT_SYMBOL_GPL(ps3_vuart_irq_destroy); /** * ps3_spe_irq_setup - Setup an spe virq. @@ -514,9 +601,14 @@ int ps3_spe_irq_setup(enum ps3_cpu_binding cpu, unsigned long spe_id, int ps3_spe_irq_destroy(unsigned int virq) { - int result = ps3_irq_plug_destroy(virq); + int result; + + ps3_chip_mask(virq); + + result = ps3_irq_plug_destroy(virq); BUG_ON(result); - return 0; + + return result; } @@ -533,7 +625,7 @@ static void _dump_64_bmp(const char *header, const u64 *p, unsigned cpu, *p & 0xffff); } -static void __attribute__ ((unused)) _dump_256_bmp(const char *header, +static void __maybe_unused _dump_256_bmp(const char *header, const u64 *p, unsigned cpu, const char* func, int line) { pr_debug("%s:%d: %s %u {%016lx:%016lx:%016lx:%016lx}\n", @@ -546,86 +638,25 @@ static void _dump_bmp(struct ps3_private* pd, const char* func, int line) unsigned long flags; spin_lock_irqsave(&pd->bmp.lock, flags); - _dump_64_bmp("stat", &pd->bmp.status, pd->cpu, func, line); - _dump_64_bmp("mask", &pd->bmp.mask, pd->cpu, func, line); + _dump_64_bmp("stat", &pd->bmp.status, pd->thread_id, func, line); + _dump_64_bmp("mask", &pd->bmp.mask, pd->thread_id, func, line); spin_unlock_irqrestore(&pd->bmp.lock, flags); } #define dump_mask(_x) _dump_mask(_x, __func__, __LINE__) -static void __attribute__ ((unused)) _dump_mask(struct ps3_private* pd, +static void __maybe_unused _dump_mask(struct ps3_private *pd, const char* func, int line) { unsigned long flags; spin_lock_irqsave(&pd->bmp.lock, flags); - _dump_64_bmp("mask", &pd->bmp.mask, pd->cpu, func, line); + _dump_64_bmp("mask", &pd->bmp.mask, pd->thread_id, func, line); spin_unlock_irqrestore(&pd->bmp.lock, flags); } #else static void dump_bmp(struct ps3_private* pd) {}; #endif /* defined(DEBUG) */ -static void ps3_chip_mask(unsigned int virq) -{ - struct ps3_private *pd = get_irq_chip_data(virq); - u64 bit = 0x8000000000000000UL >> virq; - u64 *p = &pd->bmp.mask; - u64 old; - unsigned long flags; - - pr_debug("%s:%d: cpu %u, virq %d\n", __func__, __LINE__, pd->cpu, virq); - - local_irq_save(flags); - asm volatile( - "1: ldarx %0,0,%3\n" - "andc %0,%0,%2\n" - "stdcx. %0,0,%3\n" - "bne- 1b" - : "=&r" (old), "+m" (*p) - : "r" (bit), "r" (p) - : "cc" ); - - lv1_did_update_interrupt_mask(pd->node, pd->cpu); - local_irq_restore(flags); -} - -static void ps3_chip_unmask(unsigned int virq) -{ - struct ps3_private *pd = get_irq_chip_data(virq); - u64 bit = 0x8000000000000000UL >> virq; - u64 *p = &pd->bmp.mask; - u64 old; - unsigned long flags; - - pr_debug("%s:%d: cpu %u, virq %d\n", __func__, __LINE__, pd->cpu, virq); - - local_irq_save(flags); - asm volatile( - "1: ldarx %0,0,%3\n" - "or %0,%0,%2\n" - "stdcx. %0,0,%3\n" - "bne- 1b" - : "=&r" (old), "+m" (*p) - : "r" (bit), "r" (p) - : "cc" ); - - lv1_did_update_interrupt_mask(pd->node, pd->cpu); - local_irq_restore(flags); -} - -static void ps3_chip_eoi(unsigned int virq) -{ - const struct ps3_private *pd = get_irq_chip_data(virq); - lv1_end_of_interrupt_ext(pd->node, pd->cpu, virq); -} - -static struct irq_chip irq_chip = { - .typename = "ps3", - .mask = ps3_chip_mask, - .unmask = ps3_chip_unmask, - .eoi = ps3_chip_eoi, -}; - static void ps3_host_unmap(struct irq_host *h, unsigned int virq) { set_irq_chip_data(virq, NULL); @@ -637,7 +668,7 @@ static int ps3_host_map(struct irq_host *h, unsigned int virq, pr_debug("%s:%d: hwirq %lu, virq %u\n", __func__, __LINE__, hwirq, virq); - set_irq_chip_and_handler(virq, &irq_chip, handle_fasteoi_irq); + set_irq_chip_and_handler(virq, &ps3_irq_chip, handle_fasteoi_irq); return 0; } @@ -657,7 +688,7 @@ void __init ps3_register_ipi_debug_brk(unsigned int cpu, unsigned int virq) cpu, virq, pd->bmp.ipi_debug_brk_mask); } -unsigned int ps3_get_irq(void) +static unsigned int ps3_get_irq(void) { struct ps3_private *pd = &__get_cpu_var(ps3_private); u64 x = (pd->bmp.status & pd->bmp.mask); @@ -672,8 +703,8 @@ unsigned int ps3_get_irq(void) plug &= 0x3f; if (unlikely(plug) == NO_IRQ) { - pr_debug("%s:%d: no plug found: cpu %u\n", __func__, __LINE__, - pd->cpu); + pr_debug("%s:%d: no plug found: thread_id %lu\n", __func__, + __LINE__, pd->thread_id); dump_bmp(&per_cpu(ps3_private, 0)); dump_bmp(&per_cpu(ps3_private, 1)); return NO_IRQ; @@ -703,16 +734,16 @@ void __init ps3_init_IRQ(void) for_each_possible_cpu(cpu) { struct ps3_private *pd = &per_cpu(ps3_private, cpu); - lv1_get_logical_ppe_id(&pd->node); - pd->cpu = get_hard_smp_processor_id(cpu); + lv1_get_logical_ppe_id(&pd->ppe_id); + pd->thread_id = get_hard_smp_processor_id(cpu); spin_lock_init(&pd->bmp.lock); - pr_debug("%s:%d: node %lu, cpu %d, bmp %lxh\n", __func__, - __LINE__, pd->node, pd->cpu, + pr_debug("%s:%d: ppe_id %lu, thread_id %lu, bmp %lxh\n", + __func__, __LINE__, pd->ppe_id, pd->thread_id, ps3_mm_phys_to_lpar(__pa(&pd->bmp))); - result = lv1_configure_irq_state_bitmap(pd->node, pd->cpu, - ps3_mm_phys_to_lpar(__pa(&pd->bmp))); + result = lv1_configure_irq_state_bitmap(pd->ppe_id, + pd->thread_id, ps3_mm_phys_to_lpar(__pa(&pd->bmp))); if (result) pr_debug("%s:%d: lv1_configure_irq_state_bitmap failed:" @@ -722,3 +753,16 @@ void __init ps3_init_IRQ(void) ppc_md.get_irq = ps3_get_irq; } + +void ps3_shutdown_IRQ(int cpu) +{ + int result; + u64 ppe_id; + u64 thread_id = get_hard_smp_processor_id(cpu); + + lv1_get_logical_ppe_id(&ppe_id); + result = lv1_configure_irq_state_bitmap(ppe_id, thread_id, 0); + + DBG("%s:%d: lv1_configure_irq_state_bitmap (%lu:%lu/%d) %s\n", __func__, + __LINE__, ppe_id, thread_id, cpu, ps3_result(result)); +} diff --git a/arch/powerpc/platforms/ps3/mm.c b/arch/powerpc/platforms/ps3/mm.c index f8a3e20..7bb3e16 100644 --- a/arch/powerpc/platforms/ps3/mm.c +++ b/arch/powerpc/platforms/ps3/mm.c @@ -30,9 +30,9 @@ #include "platform.h" #if defined(DEBUG) -#define DBG(fmt...) udbg_printf(fmt) +#define DBG udbg_printf #else -#define DBG(fmt...) do{if(0)printk(fmt);}while(0) +#define DBG pr_debug #endif enum { @@ -115,7 +115,8 @@ struct map { }; #define debug_dump_map(x) _debug_dump_map(x, __func__, __LINE__) -static void _debug_dump_map(const struct map* m, const char* func, int line) +static void __maybe_unused _debug_dump_map(const struct map *m, + const char *func, int line) { DBG("%s:%d: map.total = %lxh\n", func, line, m->total); DBG("%s:%d: map.rm.size = %lxh\n", func, line, m->rm.size); @@ -212,9 +213,15 @@ fail: void ps3_mm_vas_destroy(void) { + int result; + + DBG("%s:%d: map.vas_id = %lu\n", __func__, __LINE__, map.vas_id); + if (map.vas_id) { - lv1_select_virtual_address_space(0); - lv1_destruct_virtual_address_space(map.vas_id); + result = lv1_select_virtual_address_space(0); + BUG_ON(result); + result = lv1_destruct_virtual_address_space(map.vas_id); + BUG_ON(result); map.vas_id = 0; } } @@ -232,7 +239,7 @@ void ps3_mm_vas_destroy(void) * @size is rounded down to a multiple of the vas large page size. */ -int ps3_mm_region_create(struct mem_region *r, unsigned long size) +static int ps3_mm_region_create(struct mem_region *r, unsigned long size) { int result; unsigned long muid; @@ -273,10 +280,14 @@ zero_region: * @r: pointer to struct mem_region */ -void ps3_mm_region_destroy(struct mem_region *r) +static void ps3_mm_region_destroy(struct mem_region *r) { + int result; + + DBG("%s:%d: r->base = %lxh\n", __func__, __LINE__, r->base); if (r->base) { - lv1_release_memory(r->base); + result = lv1_release_memory(r->base); + BUG_ON(result); r->size = r->base = r->offset = 0; map.total = map.rm.size; } @@ -329,31 +340,34 @@ core_initcall(ps3_mm_add_memory); /*============================================================================*/ /** - * dma_lpar_to_bus - Translate an lpar address to ioc mapped bus address. + * dma_sb_lpar_to_bus - Translate an lpar address to ioc mapped bus address. * @r: pointer to dma region structure * @lpar_addr: HV lpar address */ -static unsigned long dma_lpar_to_bus(struct ps3_dma_region *r, +static unsigned long dma_sb_lpar_to_bus(struct ps3_dma_region *r, unsigned long lpar_addr) { - BUG_ON(lpar_addr >= map.r1.base + map.r1.size); - return r->bus_addr + (lpar_addr <= map.rm.size ? lpar_addr - : lpar_addr - map.r1.offset); + if (lpar_addr >= map.rm.size) + lpar_addr -= map.r1.offset; + BUG_ON(lpar_addr < r->offset); + BUG_ON(lpar_addr >= r->offset + r->len); + return r->bus_addr + lpar_addr - r->offset; } #define dma_dump_region(_a) _dma_dump_region(_a, __func__, __LINE__) -static void _dma_dump_region(const struct ps3_dma_region *r, const char* func, - int line) +static void __maybe_unused _dma_dump_region(const struct ps3_dma_region *r, + const char *func, int line) { - DBG("%s:%d: dev %u:%u\n", func, line, r->did.bus_id, - r->did.dev_id); + DBG("%s:%d: dev %u:%u\n", func, line, r->dev->bus_id, + r->dev->dev_id); DBG("%s:%d: page_size %u\n", func, line, r->page_size); DBG("%s:%d: bus_addr %lxh\n", func, line, r->bus_addr); DBG("%s:%d: len %lxh\n", func, line, r->len); + DBG("%s:%d: offset %lxh\n", func, line, r->offset); } -/** + /** * dma_chunk - A chunk of dma pages mapped by the io controller. * @region - The dma region that owns this chunk. * @lpar_addr: Starting lpar address of the area to map. @@ -381,10 +395,11 @@ static void _dma_dump_chunk (const struct dma_chunk* c, const char* func, int line) { DBG("%s:%d: r.dev %u:%u\n", func, line, - c->region->did.bus_id, c->region->did.dev_id); + c->region->dev->bus_id, c->region->dev->dev_id); DBG("%s:%d: r.bus_addr %lxh\n", func, line, c->region->bus_addr); DBG("%s:%d: r.page_size %u\n", func, line, c->region->page_size); DBG("%s:%d: r.len %lxh\n", func, line, c->region->len); + DBG("%s:%d: r.offset %lxh\n", func, line, c->region->offset); DBG("%s:%d: c.lpar_addr %lxh\n", func, line, c->lpar_addr); DBG("%s:%d: c.bus_addr %lxh\n", func, line, c->bus_addr); DBG("%s:%d: c.len %lxh\n", func, line, c->len); @@ -395,39 +410,68 @@ static struct dma_chunk * dma_find_chunk(struct ps3_dma_region *r, { struct dma_chunk *c; unsigned long aligned_bus = _ALIGN_DOWN(bus_addr, 1 << r->page_size); - unsigned long aligned_len = _ALIGN_UP(len, 1 << r->page_size); + unsigned long aligned_len = _ALIGN_UP(len+bus_addr-aligned_bus, + 1 << r->page_size); list_for_each_entry(c, &r->chunk_list.head, link) { /* intersection */ - if (aligned_bus >= c->bus_addr - && aligned_bus < c->bus_addr + c->len - && aligned_bus + aligned_len <= c->bus_addr + c->len) { + if (aligned_bus >= c->bus_addr && + aligned_bus + aligned_len <= c->bus_addr + c->len) return c; - } + /* below */ - if (aligned_bus + aligned_len <= c->bus_addr) { + if (aligned_bus + aligned_len <= c->bus_addr) continue; - } + /* above */ - if (aligned_bus >= c->bus_addr + c->len) { + if (aligned_bus >= c->bus_addr + c->len) continue; - } /* we don't handle the multi-chunk case for now */ - dma_dump_chunk(c); BUG(); } return NULL; } -static int dma_free_chunk(struct dma_chunk *c) +static struct dma_chunk *dma_find_chunk_lpar(struct ps3_dma_region *r, + unsigned long lpar_addr, unsigned long len) +{ + struct dma_chunk *c; + unsigned long aligned_lpar = _ALIGN_DOWN(lpar_addr, 1 << r->page_size); + unsigned long aligned_len = _ALIGN_UP(len + lpar_addr - aligned_lpar, + 1 << r->page_size); + + list_for_each_entry(c, &r->chunk_list.head, link) { + /* intersection */ + if (c->lpar_addr <= aligned_lpar && + aligned_lpar < c->lpar_addr + c->len) { + if (aligned_lpar + aligned_len <= c->lpar_addr + c->len) + return c; + else { + dma_dump_chunk(c); + BUG(); + } + } + /* below */ + if (aligned_lpar + aligned_len <= c->lpar_addr) { + continue; + } + /* above */ + if (c->lpar_addr + c->len <= aligned_lpar) { + continue; + } + } + return NULL; +} + +static int dma_sb_free_chunk(struct dma_chunk *c) { int result = 0; if (c->bus_addr) { - result = lv1_unmap_device_dma_region(c->region->did.bus_id, - c->region->did.dev_id, c->bus_addr, c->len); + result = lv1_unmap_device_dma_region(c->region->dev->bus_id, + c->region->dev->dev_id, c->bus_addr, c->len); BUG_ON(result); } @@ -435,8 +479,39 @@ static int dma_free_chunk(struct dma_chunk *c) return result; } +static int dma_ioc0_free_chunk(struct dma_chunk *c) +{ + int result = 0; + int iopage; + unsigned long offset; + struct ps3_dma_region *r = c->region; + + DBG("%s:start\n", __func__); + for (iopage = 0; iopage < (c->len >> r->page_size); iopage++) { + offset = (1 << r->page_size) * iopage; + /* put INVALID entry */ + result = lv1_put_iopte(0, + c->bus_addr + offset, + c->lpar_addr + offset, + r->ioid, + 0); + DBG("%s: bus=%#lx, lpar=%#lx, ioid=%d\n", __func__, + c->bus_addr + offset, + c->lpar_addr + offset, + r->ioid); + + if (result) { + DBG("%s:%d: lv1_put_iopte failed: %s\n", __func__, + __LINE__, ps3_result(result)); + } + } + kfree(c); + DBG("%s:end\n", __func__); + return result; +} + /** - * dma_map_pages - Maps dma pages into the io controller bus address space. + * dma_sb_map_pages - Maps dma pages into the io controller bus address space. * @r: Pointer to a struct ps3_dma_region. * @phys_addr: Starting physical address of the area to map. * @len: Length in bytes of the area to map. @@ -446,8 +521,8 @@ static int dma_free_chunk(struct dma_chunk *c) * make the HV call to add the pages into the io controller address space. */ -static int dma_map_pages(struct ps3_dma_region *r, unsigned long phys_addr, - unsigned long len, struct dma_chunk **c_out) +static int dma_sb_map_pages(struct ps3_dma_region *r, unsigned long phys_addr, + unsigned long len, struct dma_chunk **c_out, u64 iopte_flag) { int result; struct dma_chunk *c; @@ -461,13 +536,13 @@ static int dma_map_pages(struct ps3_dma_region *r, unsigned long phys_addr, c->region = r; c->lpar_addr = ps3_mm_phys_to_lpar(phys_addr); - c->bus_addr = dma_lpar_to_bus(r, c->lpar_addr); + c->bus_addr = dma_sb_lpar_to_bus(r, c->lpar_addr); c->len = len; - result = lv1_map_device_dma_region(c->region->did.bus_id, - c->region->did.dev_id, c->lpar_addr, c->bus_addr, c->len, - 0xf800000000000000UL); - + BUG_ON(iopte_flag != 0xf800000000000000UL); + result = lv1_map_device_dma_region(c->region->dev->bus_id, + c->region->dev->dev_id, c->lpar_addr, + c->bus_addr, c->len, iopte_flag); if (result) { DBG("%s:%d: lv1_map_device_dma_region failed: %s\n", __func__, __LINE__, ps3_result(result)); @@ -487,26 +562,120 @@ fail_alloc: return result; } +static int dma_ioc0_map_pages(struct ps3_dma_region *r, unsigned long phys_addr, + unsigned long len, struct dma_chunk **c_out, + u64 iopte_flag) +{ + int result; + struct dma_chunk *c, *last; + int iopage, pages; + unsigned long offset; + + DBG(KERN_ERR "%s: phy=%#lx, lpar%#lx, len=%#lx\n", __func__, + phys_addr, ps3_mm_phys_to_lpar(phys_addr), len); + c = kzalloc(sizeof(struct dma_chunk), GFP_ATOMIC); + + if (!c) { + result = -ENOMEM; + goto fail_alloc; + } + + c->region = r; + c->len = len; + c->lpar_addr = ps3_mm_phys_to_lpar(phys_addr); + /* allocate IO address */ + if (list_empty(&r->chunk_list.head)) { + /* first one */ + c->bus_addr = r->bus_addr; + } else { + /* derive from last bus addr*/ + last = list_entry(r->chunk_list.head.next, + struct dma_chunk, link); + c->bus_addr = last->bus_addr + last->len; + DBG("%s: last bus=%#lx, len=%#lx\n", __func__, + last->bus_addr, last->len); + } + + /* FIXME: check whether length exceeds region size */ + + /* build ioptes for the area */ + pages = len >> r->page_size; + DBG("%s: pgsize=%#x len=%#lx pages=%#x iopteflag=%#lx\n", __func__, + r->page_size, r->len, pages, iopte_flag); + for (iopage = 0; iopage < pages; iopage++) { + offset = (1 << r->page_size) * iopage; + result = lv1_put_iopte(0, + c->bus_addr + offset, + c->lpar_addr + offset, + r->ioid, + iopte_flag); + if (result) { + printk(KERN_WARNING "%s:%d: lv1_map_device_dma_region " + "failed: %s\n", __func__, __LINE__, + ps3_result(result)); + goto fail_map; + } + DBG("%s: pg=%d bus=%#lx, lpar=%#lx, ioid=%#x\n", __func__, + iopage, c->bus_addr + offset, c->lpar_addr + offset, + r->ioid); + } + + /* be sure that last allocated one is inserted at head */ + list_add(&c->link, &r->chunk_list.head); + + *c_out = c; + DBG("%s: end\n", __func__); + return 0; + +fail_map: + for (iopage--; 0 <= iopage; iopage--) { + lv1_put_iopte(0, + c->bus_addr + offset, + c->lpar_addr + offset, + r->ioid, + 0); + } + kfree(c); +fail_alloc: + *c_out = NULL; + return result; +} + /** - * dma_region_create - Create a device dma region. + * dma_sb_region_create - Create a device dma region. * @r: Pointer to a struct ps3_dma_region. * * This is the lowest level dma region create routine, and is the one that * will make the HV call to create the region. */ -static int dma_region_create(struct ps3_dma_region* r) +static int dma_sb_region_create(struct ps3_dma_region *r) { int result; - r->len = _ALIGN_UP(map.total, 1 << r->page_size); + pr_info(" -> %s:%d:\n", __func__, __LINE__); + + BUG_ON(!r); + + if (!r->dev->bus_id) { + pr_info("%s:%d: %u:%u no dma\n", __func__, __LINE__, + r->dev->bus_id, r->dev->dev_id); + return 0; + } + + DBG("%s:%u: len = 0x%lx, page_size = %u, offset = 0x%lx\n", __func__, + __LINE__, r->len, r->page_size, r->offset); + + BUG_ON(!r->len); + BUG_ON(!r->page_size); + BUG_ON(!r->region_ops); + INIT_LIST_HEAD(&r->chunk_list.head); spin_lock_init(&r->chunk_list.lock); - result = lv1_allocate_device_dma_region(r->did.bus_id, r->did.dev_id, - r->len, r->page_size, r->region_type, &r->bus_addr); - - dma_dump_region(r); + result = lv1_allocate_device_dma_region(r->dev->bus_id, r->dev->dev_id, + roundup_pow_of_two(r->len), r->page_size, r->region_type, + &r->bus_addr); if (result) { DBG("%s:%d: lv1_allocate_device_dma_region failed: %s\n", @@ -517,6 +686,27 @@ static int dma_region_create(struct ps3_dma_region* r) return result; } +static int dma_ioc0_region_create(struct ps3_dma_region *r) +{ + int result; + + INIT_LIST_HEAD(&r->chunk_list.head); + spin_lock_init(&r->chunk_list.lock); + + result = lv1_allocate_io_segment(0, + r->len, + r->page_size, + &r->bus_addr); + if (result) { + DBG("%s:%d: lv1_allocate_io_segment failed: %s\n", + __func__, __LINE__, ps3_result(result)); + r->len = r->bus_addr = 0; + } + DBG("%s: len=%#lx, pg=%d, bus=%#lx\n", __func__, + r->len, r->page_size, r->bus_addr); + return result; +} + /** * dma_region_free - Free a device dma region. * @r: Pointer to a struct ps3_dma_region. @@ -525,31 +715,62 @@ static int dma_region_create(struct ps3_dma_region* r) * will make the HV call to free the region. */ -static int dma_region_free(struct ps3_dma_region* r) +static int dma_sb_region_free(struct ps3_dma_region *r) { int result; struct dma_chunk *c; struct dma_chunk *tmp; + BUG_ON(!r); + + if (!r->dev->bus_id) { + pr_info("%s:%d: %u:%u no dma\n", __func__, __LINE__, + r->dev->bus_id, r->dev->dev_id); + return 0; + } + list_for_each_entry_safe(c, tmp, &r->chunk_list.head, link) { list_del(&c->link); - dma_free_chunk(c); + dma_sb_free_chunk(c); } - result = lv1_free_device_dma_region(r->did.bus_id, r->did.dev_id, + result = lv1_free_device_dma_region(r->dev->bus_id, r->dev->dev_id, r->bus_addr); if (result) DBG("%s:%d: lv1_free_device_dma_region failed: %s\n", __func__, __LINE__, ps3_result(result)); - r->len = r->bus_addr = 0; + r->bus_addr = 0; + + return result; +} + +static int dma_ioc0_region_free(struct ps3_dma_region *r) +{ + int result; + struct dma_chunk *c, *n; + + DBG("%s: start\n", __func__); + list_for_each_entry_safe(c, n, &r->chunk_list.head, link) { + list_del(&c->link); + dma_ioc0_free_chunk(c); + } + + result = lv1_release_io_segment(0, r->bus_addr); + + if (result) + DBG("%s:%d: lv1_free_device_dma_region failed: %s\n", + __func__, __LINE__, ps3_result(result)); + + r->bus_addr = 0; + DBG("%s: end\n", __func__); return result; } /** - * dma_map_area - Map an area of memory into a device dma region. + * dma_sb_map_area - Map an area of memory into a device dma region. * @r: Pointer to a struct ps3_dma_region. * @virt_addr: Starting virtual address of the area to map. * @len: Length in bytes of the area to map. @@ -559,16 +780,19 @@ static int dma_region_free(struct ps3_dma_region* r) * This is the common dma mapping routine. */ -static int dma_map_area(struct ps3_dma_region *r, unsigned long virt_addr, - unsigned long len, unsigned long *bus_addr) +static int dma_sb_map_area(struct ps3_dma_region *r, unsigned long virt_addr, + unsigned long len, unsigned long *bus_addr, + u64 iopte_flag) { int result; unsigned long flags; struct dma_chunk *c; unsigned long phys_addr = is_kernel_addr(virt_addr) ? __pa(virt_addr) : virt_addr; - - *bus_addr = dma_lpar_to_bus(r, ps3_mm_phys_to_lpar(phys_addr)); + unsigned long aligned_phys = _ALIGN_DOWN(phys_addr, 1 << r->page_size); + unsigned long aligned_len = _ALIGN_UP(len + phys_addr - aligned_phys, + 1 << r->page_size); + *bus_addr = dma_sb_lpar_to_bus(r, ps3_mm_phys_to_lpar(phys_addr)); if (!USE_DYNAMIC_DMA) { unsigned long lpar_addr = ps3_mm_phys_to_lpar(phys_addr); @@ -588,17 +812,18 @@ static int dma_map_area(struct ps3_dma_region *r, unsigned long virt_addr, c = dma_find_chunk(r, *bus_addr, len); if (c) { + DBG("%s:%d: reusing mapped chunk", __func__, __LINE__); + dma_dump_chunk(c); c->usage_count++; spin_unlock_irqrestore(&r->chunk_list.lock, flags); return 0; } - result = dma_map_pages(r, _ALIGN_DOWN(phys_addr, 1 << r->page_size), - _ALIGN_UP(len, 1 << r->page_size), &c); + result = dma_sb_map_pages(r, aligned_phys, aligned_len, &c, iopte_flag); if (result) { *bus_addr = 0; - DBG("%s:%d: dma_map_pages failed (%d)\n", + DBG("%s:%d: dma_sb_map_pages failed (%d)\n", __func__, __LINE__, result); spin_unlock_irqrestore(&r->chunk_list.lock, flags); return result; @@ -610,8 +835,57 @@ static int dma_map_area(struct ps3_dma_region *r, unsigned long virt_addr, return result; } +static int dma_ioc0_map_area(struct ps3_dma_region *r, unsigned long virt_addr, + unsigned long len, unsigned long *bus_addr, + u64 iopte_flag) +{ + int result; + unsigned long flags; + struct dma_chunk *c; + unsigned long phys_addr = is_kernel_addr(virt_addr) ? __pa(virt_addr) + : virt_addr; + unsigned long aligned_phys = _ALIGN_DOWN(phys_addr, 1 << r->page_size); + unsigned long aligned_len = _ALIGN_UP(len + phys_addr - aligned_phys, + 1 << r->page_size); + + DBG(KERN_ERR "%s: vaddr=%#lx, len=%#lx\n", __func__, + virt_addr, len); + DBG(KERN_ERR "%s: ph=%#lx a_ph=%#lx a_l=%#lx\n", __func__, + phys_addr, aligned_phys, aligned_len); + + spin_lock_irqsave(&r->chunk_list.lock, flags); + c = dma_find_chunk_lpar(r, ps3_mm_phys_to_lpar(phys_addr), len); + + if (c) { + /* FIXME */ + BUG(); + *bus_addr = c->bus_addr + phys_addr - aligned_phys; + c->usage_count++; + spin_unlock_irqrestore(&r->chunk_list.lock, flags); + return 0; + } + + result = dma_ioc0_map_pages(r, aligned_phys, aligned_len, &c, + iopte_flag); + + if (result) { + *bus_addr = 0; + DBG("%s:%d: dma_ioc0_map_pages failed (%d)\n", + __func__, __LINE__, result); + spin_unlock_irqrestore(&r->chunk_list.lock, flags); + return result; + } + *bus_addr = c->bus_addr + phys_addr - aligned_phys; + DBG("%s: va=%#lx pa=%#lx a_pa=%#lx bus=%#lx\n", __func__, + virt_addr, phys_addr, aligned_phys, *bus_addr); + c->usage_count = 1; + + spin_unlock_irqrestore(&r->chunk_list.lock, flags); + return result; +} + /** - * dma_unmap_area - Unmap an area of memory from a device dma region. + * dma_sb_unmap_area - Unmap an area of memory from a device dma region. * @r: Pointer to a struct ps3_dma_region. * @bus_addr: The starting ioc bus address of the area to unmap. * @len: Length in bytes of the area to unmap. @@ -619,7 +893,7 @@ static int dma_map_area(struct ps3_dma_region *r, unsigned long virt_addr, * This is the common dma unmap routine. */ -int dma_unmap_area(struct ps3_dma_region *r, unsigned long bus_addr, +static int dma_sb_unmap_area(struct ps3_dma_region *r, unsigned long bus_addr, unsigned long len) { unsigned long flags; @@ -631,7 +905,8 @@ int dma_unmap_area(struct ps3_dma_region *r, unsigned long bus_addr, if (!c) { unsigned long aligned_bus = _ALIGN_DOWN(bus_addr, 1 << r->page_size); - unsigned long aligned_len = _ALIGN_UP(len, 1 << r->page_size); + unsigned long aligned_len = _ALIGN_UP(len + bus_addr + - aligned_bus, 1 << r->page_size); DBG("%s:%d: not found: bus_addr %lxh\n", __func__, __LINE__, bus_addr); DBG("%s:%d: not found: len %lxh\n", @@ -647,94 +922,166 @@ int dma_unmap_area(struct ps3_dma_region *r, unsigned long bus_addr, if (!c->usage_count) { list_del(&c->link); - dma_free_chunk(c); + dma_sb_free_chunk(c); } spin_unlock_irqrestore(&r->chunk_list.lock, flags); return 0; } +static int dma_ioc0_unmap_area(struct ps3_dma_region *r, + unsigned long bus_addr, unsigned long len) +{ + unsigned long flags; + struct dma_chunk *c; + + DBG("%s: start a=%#lx l=%#lx\n", __func__, bus_addr, len); + spin_lock_irqsave(&r->chunk_list.lock, flags); + c = dma_find_chunk(r, bus_addr, len); + + if (!c) { + unsigned long aligned_bus = _ALIGN_DOWN(bus_addr, + 1 << r->page_size); + unsigned long aligned_len = _ALIGN_UP(len + bus_addr + - aligned_bus, + 1 << r->page_size); + DBG("%s:%d: not found: bus_addr %lxh\n", + __func__, __LINE__, bus_addr); + DBG("%s:%d: not found: len %lxh\n", + __func__, __LINE__, len); + DBG("%s:%d: not found: aligned_bus %lxh\n", + __func__, __LINE__, aligned_bus); + DBG("%s:%d: not found: aligned_len %lxh\n", + __func__, __LINE__, aligned_len); + BUG(); + } + + c->usage_count--; + + if (!c->usage_count) { + list_del(&c->link); + dma_ioc0_free_chunk(c); + } + + spin_unlock_irqrestore(&r->chunk_list.lock, flags); + DBG("%s: end\n", __func__); + return 0; +} + /** - * dma_region_create_linear - Setup a linear dma maping for a device. + * dma_sb_region_create_linear - Setup a linear dma mapping for a device. * @r: Pointer to a struct ps3_dma_region. * * This routine creates an HV dma region for the device and maps all available * ram into the io controller bus address space. */ -static int dma_region_create_linear(struct ps3_dma_region *r) +static int dma_sb_region_create_linear(struct ps3_dma_region *r) { int result; - unsigned long tmp; - - /* force 16M dma pages for linear mapping */ - - if (r->page_size != PS3_DMA_16M) { - pr_info("%s:%d: forcing 16M pages for linear map\n", - __func__, __LINE__); - r->page_size = PS3_DMA_16M; + unsigned long virt_addr, len, tmp; + + if (r->len > 16*1024*1024) { /* FIXME: need proper fix */ + /* force 16M dma pages for linear mapping */ + if (r->page_size != PS3_DMA_16M) { + pr_info("%s:%d: forcing 16M pages for linear map\n", + __func__, __LINE__); + r->page_size = PS3_DMA_16M; + r->len = _ALIGN_UP(r->len, 1 << r->page_size); + } } - result = dma_region_create(r); + result = dma_sb_region_create(r); BUG_ON(result); - result = dma_map_area(r, map.rm.base, map.rm.size, &tmp); - BUG_ON(result); - - if (USE_LPAR_ADDR) - result = dma_map_area(r, map.r1.base, map.r1.size, - &tmp); - else - result = dma_map_area(r, map.rm.size, map.r1.size, - &tmp); + if (r->offset < map.rm.size) { + /* Map (part of) 1st RAM chunk */ + virt_addr = map.rm.base + r->offset; + len = map.rm.size - r->offset; + if (len > r->len) + len = r->len; + result = dma_sb_map_area(r, virt_addr, len, &tmp, + IOPTE_PP_W | IOPTE_PP_R | IOPTE_SO_RW | IOPTE_M); + BUG_ON(result); + } - BUG_ON(result); + if (r->offset + r->len > map.rm.size) { + /* Map (part of) 2nd RAM chunk */ + virt_addr = USE_LPAR_ADDR ? map.r1.base : map.rm.size; + len = r->len; + if (r->offset >= map.rm.size) + virt_addr += r->offset - map.rm.size; + else + len -= map.rm.size - r->offset; + result = dma_sb_map_area(r, virt_addr, len, &tmp, + IOPTE_PP_W | IOPTE_PP_R | IOPTE_SO_RW | IOPTE_M); + BUG_ON(result); + } return result; } /** - * dma_region_free_linear - Free a linear dma mapping for a device. + * dma_sb_region_free_linear - Free a linear dma mapping for a device. * @r: Pointer to a struct ps3_dma_region. * * This routine will unmap all mapped areas and free the HV dma region. */ -static int dma_region_free_linear(struct ps3_dma_region *r) +static int dma_sb_region_free_linear(struct ps3_dma_region *r) { int result; + unsigned long bus_addr, len, lpar_addr; + + if (r->offset < map.rm.size) { + /* Unmap (part of) 1st RAM chunk */ + lpar_addr = map.rm.base + r->offset; + len = map.rm.size - r->offset; + if (len > r->len) + len = r->len; + bus_addr = dma_sb_lpar_to_bus(r, lpar_addr); + result = dma_sb_unmap_area(r, bus_addr, len); + BUG_ON(result); + } - result = dma_unmap_area(r, dma_lpar_to_bus(r, 0), map.rm.size); - BUG_ON(result); - - result = dma_unmap_area(r, dma_lpar_to_bus(r, map.r1.base), - map.r1.size); - BUG_ON(result); + if (r->offset + r->len > map.rm.size) { + /* Unmap (part of) 2nd RAM chunk */ + lpar_addr = map.r1.base; + len = r->len; + if (r->offset >= map.rm.size) + lpar_addr += r->offset - map.rm.size; + else + len -= map.rm.size - r->offset; + bus_addr = dma_sb_lpar_to_bus(r, lpar_addr); + result = dma_sb_unmap_area(r, bus_addr, len); + BUG_ON(result); + } - result = dma_region_free(r); + result = dma_sb_region_free(r); BUG_ON(result); return result; } /** - * dma_map_area_linear - Map an area of memory into a device dma region. + * dma_sb_map_area_linear - Map an area of memory into a device dma region. * @r: Pointer to a struct ps3_dma_region. * @virt_addr: Starting virtual address of the area to map. * @len: Length in bytes of the area to map. * @bus_addr: A pointer to return the starting ioc bus address of the area to * map. * - * This routine just returns the coresponding bus address. Actual mapping + * This routine just returns the corresponding bus address. Actual mapping * occurs in dma_region_create_linear(). */ -static int dma_map_area_linear(struct ps3_dma_region *r, - unsigned long virt_addr, unsigned long len, unsigned long *bus_addr) +static int dma_sb_map_area_linear(struct ps3_dma_region *r, + unsigned long virt_addr, unsigned long len, unsigned long *bus_addr, + u64 iopte_flag) { unsigned long phys_addr = is_kernel_addr(virt_addr) ? __pa(virt_addr) : virt_addr; - *bus_addr = dma_lpar_to_bus(r, ps3_mm_phys_to_lpar(phys_addr)); + *bus_addr = dma_sb_lpar_to_bus(r, ps3_mm_phys_to_lpar(phys_addr)); return 0; } @@ -744,42 +1091,98 @@ static int dma_map_area_linear(struct ps3_dma_region *r, * @bus_addr: The starting ioc bus address of the area to unmap. * @len: Length in bytes of the area to unmap. * - * This routine does nothing. Unmapping occurs in dma_region_free_linear(). + * This routine does nothing. Unmapping occurs in dma_sb_region_free_linear(). */ -static int dma_unmap_area_linear(struct ps3_dma_region *r, +static int dma_sb_unmap_area_linear(struct ps3_dma_region *r, unsigned long bus_addr, unsigned long len) { return 0; +}; + +static const struct ps3_dma_region_ops ps3_dma_sb_region_ops = { + .create = dma_sb_region_create, + .free = dma_sb_region_free, + .map = dma_sb_map_area, + .unmap = dma_sb_unmap_area +}; + +static const struct ps3_dma_region_ops ps3_dma_sb_region_linear_ops = { + .create = dma_sb_region_create_linear, + .free = dma_sb_region_free_linear, + .map = dma_sb_map_area_linear, + .unmap = dma_sb_unmap_area_linear +}; + +static const struct ps3_dma_region_ops ps3_dma_ioc0_region_ops = { + .create = dma_ioc0_region_create, + .free = dma_ioc0_region_free, + .map = dma_ioc0_map_area, + .unmap = dma_ioc0_unmap_area +}; + +int ps3_dma_region_init(struct ps3_system_bus_device *dev, + struct ps3_dma_region *r, enum ps3_dma_page_size page_size, + enum ps3_dma_region_type region_type, void *addr, unsigned long len) +{ + unsigned long lpar_addr; + + lpar_addr = addr ? ps3_mm_phys_to_lpar(__pa(addr)) : 0; + + r->dev = dev; + r->page_size = page_size; + r->region_type = region_type; + r->offset = lpar_addr; + if (r->offset >= map.rm.size) + r->offset -= map.r1.offset; + r->len = len ? len : _ALIGN_UP(map.total, 1 << r->page_size); + + switch (dev->dev_type) { + case PS3_DEVICE_TYPE_SB: + r->region_ops = (USE_DYNAMIC_DMA) + ? &ps3_dma_sb_region_ops + : &ps3_dma_sb_region_linear_ops; + break; + case PS3_DEVICE_TYPE_IOC0: + r->region_ops = &ps3_dma_ioc0_region_ops; + break; + default: + BUG(); + return -EINVAL; + } + return 0; } +EXPORT_SYMBOL(ps3_dma_region_init); int ps3_dma_region_create(struct ps3_dma_region *r) { - return (USE_DYNAMIC_DMA) - ? dma_region_create(r) - : dma_region_create_linear(r); + BUG_ON(!r); + BUG_ON(!r->region_ops); + BUG_ON(!r->region_ops->create); + return r->region_ops->create(r); } +EXPORT_SYMBOL(ps3_dma_region_create); int ps3_dma_region_free(struct ps3_dma_region *r) { - return (USE_DYNAMIC_DMA) - ? dma_region_free(r) - : dma_region_free_linear(r); + BUG_ON(!r); + BUG_ON(!r->region_ops); + BUG_ON(!r->region_ops->free); + return r->region_ops->free(r); } +EXPORT_SYMBOL(ps3_dma_region_free); int ps3_dma_map(struct ps3_dma_region *r, unsigned long virt_addr, - unsigned long len, unsigned long *bus_addr) + unsigned long len, unsigned long *bus_addr, + u64 iopte_flag) { - return (USE_DYNAMIC_DMA) - ? dma_map_area(r, virt_addr, len, bus_addr) - : dma_map_area_linear(r, virt_addr, len, bus_addr); + return r->region_ops->map(r, virt_addr, len, bus_addr, iopte_flag); } int ps3_dma_unmap(struct ps3_dma_region *r, unsigned long bus_addr, unsigned long len) { - return (USE_DYNAMIC_DMA) ? dma_unmap_area(r, bus_addr, len) - : dma_unmap_area_linear(r, bus_addr, len); + return r->region_ops->unmap(r, bus_addr, len); } /*============================================================================*/ @@ -810,12 +1213,13 @@ void __init ps3_mm_init(void) BUG_ON(map.rm.base); BUG_ON(!map.rm.size); - lmb_add(map.rm.base, map.rm.size); - lmb_analyze(); /* arrange to do this in ps3_mm_add_memory */ ps3_mm_region_create(&map.r1, map.total - map.rm.size); + /* correct map.total for the real total amount of memory we use */ + map.total = map.rm.size + map.r1.size; + DBG(" <- %s:%d\n", __func__, __LINE__); } diff --git a/arch/powerpc/platforms/ps3/os-area.c b/arch/powerpc/platforms/ps3/os-area.c index 5c3da08..b70e474 100644 --- a/arch/powerpc/platforms/ps3/os-area.c +++ b/arch/powerpc/platforms/ps3/os-area.c @@ -133,7 +133,7 @@ struct saved_params { } static saved_params; #define dump_header(_a) _dump_header(_a, __func__, __LINE__) -static void _dump_header(const struct os_area_header __iomem *h, const char* func, +static void _dump_header(const struct os_area_header *h, const char *func, int line) { pr_debug("%s:%d: h.magic_num: '%s'\n", func, line, @@ -151,7 +151,7 @@ static void _dump_header(const struct os_area_header __iomem *h, const char* fun } #define dump_params(_a) _dump_params(_a, __func__, __LINE__) -static void _dump_params(const struct os_area_params __iomem *p, const char* func, +static void _dump_params(const struct os_area_params *p, const char *func, int line) { pr_debug("%s:%d: p.boot_flag: %u\n", func, line, p->boot_flag); diff --git a/arch/powerpc/platforms/ps3/platform.h b/arch/powerpc/platforms/ps3/platform.h index ca04f03..87d5206 100644 --- a/arch/powerpc/platforms/ps3/platform.h +++ b/arch/powerpc/platforms/ps3/platform.h @@ -41,6 +41,7 @@ void ps3_mm_shutdown(void); /* irq */ void ps3_init_IRQ(void); +void ps3_shutdown_IRQ(int cpu); void __init ps3_register_ipi_debug_brk(unsigned int cpu, unsigned int virq); /* smp */ @@ -82,6 +83,7 @@ enum ps3_dev_type { PS3_DEV_TYPE_STOR_ROM = TYPE_ROM, /* 5 */ PS3_DEV_TYPE_SB_GPIO = 6, PS3_DEV_TYPE_STOR_FLASH = TYPE_RBC, /* 14 */ + PS3_DEV_TYPE_NOACCESS = 255, }; int ps3_repository_read_bus_str(unsigned int bus_index, const char *bus_str, @@ -129,24 +131,28 @@ int ps3_repository_read_dev_reg(unsigned int bus_index, /* repository bus enumerators */ struct ps3_repository_device { + enum ps3_bus_type bus_type; unsigned int bus_index; + unsigned int bus_id; + enum ps3_dev_type dev_type; unsigned int dev_index; - struct ps3_device_id did; + unsigned int dev_id; }; -int ps3_repository_find_device(enum ps3_bus_type bus_type, - enum ps3_dev_type dev_type, - const struct ps3_repository_device *start_dev, - struct ps3_repository_device *dev); -static inline int ps3_repository_find_first_device( - enum ps3_bus_type bus_type, enum ps3_dev_type dev_type, - struct ps3_repository_device *dev) +static inline struct ps3_repository_device *ps3_repository_bump_device( + struct ps3_repository_device *repo) { - return ps3_repository_find_device(bus_type, dev_type, NULL, dev); + repo->dev_index++; + return repo; } -int ps3_repository_find_interrupt(const struct ps3_repository_device *dev, +int ps3_repository_find_device(struct ps3_repository_device *repo); +int ps3_repository_find_devices(enum ps3_bus_type bus_type, + int (*callback)(const struct ps3_repository_device *repo)); +int ps3_repository_find_bus(enum ps3_bus_type bus_type, unsigned int from, + unsigned int *bus_index); +int ps3_repository_find_interrupt(const struct ps3_repository_device *repo, enum ps3_interrupt_type intr_type, unsigned int *interrupt_id); -int ps3_repository_find_reg(const struct ps3_repository_device *dev, +int ps3_repository_find_reg(const struct ps3_repository_device *repo, enum ps3_reg_type reg_type, u64 *bus_addr, u64 *len); /* repository block device info */ @@ -216,4 +222,19 @@ int ps3_repository_read_num_spu_resource_id(unsigned int *num_resource_id); int ps3_repository_read_spu_resource_id(unsigned int res_index, enum ps3_spu_resource_type* resource_type, unsigned int *resource_id); +/* repository vuart info */ + +int ps3_repository_read_vuart_av_port(unsigned int *port); +int ps3_repository_read_vuart_sysmgr_port(unsigned int *port); + +/* Page table entries */ +#define IOPTE_PP_W 0x8000000000000000ul /* protection: write */ +#define IOPTE_PP_R 0x4000000000000000ul /* protection: read */ +#define IOPTE_M 0x2000000000000000ul /* coherency required */ +#define IOPTE_SO_R 0x1000000000000000ul /* ordering: writes */ +#define IOPTE_SO_RW 0x1800000000000000ul /* ordering: r & w */ +#define IOPTE_RPN_Mask 0x07fffffffffff000ul /* RPN */ +#define IOPTE_H 0x0000000000000800ul /* cache hint */ +#define IOPTE_IOID_Mask 0x00000000000007fful /* ioid */ + #endif diff --git a/arch/powerpc/platforms/ps3/repository.c b/arch/powerpc/platforms/ps3/repository.c index ae586a0..8cc37cfe 100644 --- a/arch/powerpc/platforms/ps3/repository.c +++ b/arch/powerpc/platforms/ps3/repository.c @@ -138,7 +138,7 @@ static int read_node(unsigned int lpar_id, u64 n1, u64 n2, u64 n3, u64 n4, pr_debug("%s:%d: lv1_get_repository_node_value failed: %s\n", __func__, __LINE__, ps3_result(result)); dump_node_name(lpar_id, n1, n2, n3, n4); - return result; + return -ENOENT; } dump_node(lpar_id, n1, n2, n3, n4, v1, v2); @@ -155,7 +155,7 @@ static int read_node(unsigned int lpar_id, u64 n1, u64 n2, u64 n3, u64 n4, pr_debug("%s:%d: warning: discarding non-zero v2: %016lx\n", __func__, __LINE__, v2); - return result; + return 0; } int ps3_repository_read_bus_str(unsigned int bus_index, const char *bus_str, @@ -314,324 +314,140 @@ int ps3_repository_read_dev_reg(unsigned int bus_index, reg_index, bus_addr, len); } -#if defined(DEBUG) -int ps3_repository_dump_resource_info(unsigned int bus_index, - unsigned int dev_index) -{ - int result = 0; - unsigned int res_index; - pr_debug(" -> %s:%d: (%u:%u)\n", __func__, __LINE__, - bus_index, dev_index); - for (res_index = 0; res_index < 10; res_index++) { - enum ps3_interrupt_type intr_type; - unsigned int interrupt_id; +int ps3_repository_find_device(struct ps3_repository_device *repo) +{ + int result; + struct ps3_repository_device tmp = *repo; + unsigned int num_dev; - result = ps3_repository_read_dev_intr(bus_index, dev_index, - res_index, &intr_type, &interrupt_id); + BUG_ON(repo->bus_index > 10); + BUG_ON(repo->dev_index > 10); - if (result) { - if (result != LV1_NO_ENTRY) - pr_debug("%s:%d ps3_repository_read_dev_intr" - " (%u:%u) failed\n", __func__, __LINE__, - bus_index, dev_index); - break; - } + result = ps3_repository_read_bus_num_dev(tmp.bus_index, &num_dev); - pr_debug("%s:%d (%u:%u) intr_type %u, interrupt_id %u\n", - __func__, __LINE__, bus_index, dev_index, intr_type, - interrupt_id); + if (result) { + pr_debug("%s:%d read_bus_num_dev failed\n", __func__, __LINE__); + return result; } - for (res_index = 0; res_index < 10; res_index++) { - enum ps3_reg_type reg_type; - u64 bus_addr; - u64 len; - - result = ps3_repository_read_dev_reg(bus_index, dev_index, - res_index, ®_type, &bus_addr, &len); + pr_debug("%s:%d: bus_type %u, bus_index %u, bus_id %u, num_dev %u\n", + __func__, __LINE__, tmp.bus_type, tmp.bus_index, tmp.bus_id, + num_dev); - if (result) { - if (result != LV1_NO_ENTRY) - pr_debug("%s:%d ps3_repository_read_dev_reg" - " (%u:%u) failed\n", __func__, __LINE__, - bus_index, dev_index); - break; - } - - pr_debug("%s:%d (%u:%u) reg_type %u, bus_addr %lxh, len %lxh\n", - __func__, __LINE__, bus_index, dev_index, reg_type, - bus_addr, len); + if (tmp.dev_index >= num_dev) { + pr_debug("%s:%d: no device found\n", __func__, __LINE__); + return -ENODEV; } - pr_debug(" <- %s:%d\n", __func__, __LINE__); - return result; -} - -static int dump_stor_dev_info(unsigned int bus_index, unsigned int dev_index) -{ - int result = 0; - unsigned int num_regions, region_index; - u64 port, blk_size, num_blocks; - - pr_debug(" -> %s:%d: (%u:%u)\n", __func__, __LINE__, - bus_index, dev_index); + result = ps3_repository_read_dev_type(tmp.bus_index, tmp.dev_index, + &tmp.dev_type); - result = ps3_repository_read_stor_dev_info(bus_index, dev_index, &port, - &blk_size, &num_blocks, &num_regions); if (result) { - pr_debug("%s:%d ps3_repository_read_stor_dev_info" - " (%u:%u) failed\n", __func__, __LINE__, - bus_index, dev_index); - goto out; + pr_debug("%s:%d read_dev_type failed\n", __func__, __LINE__); + return result; } - pr_debug("%s:%d (%u:%u): port %lu, blk_size %lu, num_blocks " - "%lu, num_regions %u\n", - __func__, __LINE__, bus_index, dev_index, port, - blk_size, num_blocks, num_regions); - - for (region_index = 0; region_index < num_regions; region_index++) { - unsigned int region_id; - u64 region_start, region_size; - - result = ps3_repository_read_stor_dev_region(bus_index, - dev_index, region_index, ®ion_id, ®ion_start, - ®ion_size); - if (result) { - pr_debug("%s:%d ps3_repository_read_stor_dev_region" - " (%u:%u) failed\n", __func__, __LINE__, - bus_index, dev_index); - break; - } + result = ps3_repository_read_dev_id(tmp.bus_index, tmp.dev_index, + &tmp.dev_id); - pr_debug("%s:%d (%u:%u) region_id %u, start %lxh, size %lxh\n", - __func__, __LINE__, bus_index, dev_index, region_id, - region_start, region_size); + if (result) { + pr_debug("%s:%d ps3_repository_read_dev_id failed\n", __func__, + __LINE__); + return result; } -out: - pr_debug(" <- %s:%d\n", __func__, __LINE__); - return result; -} - -static int dump_device_info(unsigned int bus_index, enum ps3_bus_type bus_type, - unsigned int num_dev) -{ - int result = 0; - unsigned int dev_index; - - pr_debug(" -> %s:%d: bus_%u\n", __func__, __LINE__, bus_index); - - for (dev_index = 0; dev_index < num_dev; dev_index++) { - enum ps3_dev_type dev_type; - unsigned int dev_id; - - result = ps3_repository_read_dev_type(bus_index, dev_index, - &dev_type); - - if (result) { - pr_debug("%s:%d ps3_repository_read_dev_type" - " (%u:%u) failed\n", __func__, __LINE__, - bus_index, dev_index); - break; - } - - result = ps3_repository_read_dev_id(bus_index, dev_index, - &dev_id); - - if (result) { - pr_debug("%s:%d ps3_repository_read_dev_id" - " (%u:%u) failed\n", __func__, __LINE__, - bus_index, dev_index); - continue; - } + pr_debug("%s:%d: found: dev_type %u, dev_index %u, dev_id %u\n", + __func__, __LINE__, tmp.dev_type, tmp.dev_index, tmp.dev_id); - pr_debug("%s:%d (%u:%u): dev_type %u, dev_id %u\n", __func__, - __LINE__, bus_index, dev_index, dev_type, dev_id); - - ps3_repository_dump_resource_info(bus_index, dev_index); - - if (bus_type == PS3_BUS_TYPE_STORAGE) - dump_stor_dev_info(bus_index, dev_index); - } - - pr_debug(" <- %s:%d\n", __func__, __LINE__); - return result; + *repo = tmp; + return 0; } -int ps3_repository_dump_bus_info(void) +int __devinit ps3_repository_find_devices(enum ps3_bus_type bus_type, + int (*callback)(const struct ps3_repository_device *repo)) { int result = 0; - unsigned int bus_index; + struct ps3_repository_device repo; - pr_debug(" -> %s:%d\n", __func__, __LINE__); + pr_debug(" -> %s:%d: find bus_type %u\n", __func__, __LINE__, bus_type); - for (bus_index = 0; bus_index < 10; bus_index++) { - enum ps3_bus_type bus_type; - unsigned int bus_id; - unsigned int num_dev; + for (repo.bus_index = 0; repo.bus_index < 10; repo.bus_index++) { - result = ps3_repository_read_bus_type(bus_index, &bus_type); + result = ps3_repository_read_bus_type(repo.bus_index, + &repo.bus_type); if (result) { pr_debug("%s:%d read_bus_type(%u) failed\n", - __func__, __LINE__, bus_index); + __func__, __LINE__, repo.bus_index); break; } - result = ps3_repository_read_bus_id(bus_index, &bus_id); - - if (result) { - pr_debug("%s:%d read_bus_id(%u) failed\n", - __func__, __LINE__, bus_index); + if (repo.bus_type != bus_type) { + pr_debug("%s:%d: skip, bus_type %u\n", __func__, + __LINE__, repo.bus_type); continue; } - if (bus_index != bus_id) - pr_debug("%s:%d bus_index != bus_id\n", - __func__, __LINE__); - - result = ps3_repository_read_bus_num_dev(bus_index, &num_dev); + result = ps3_repository_read_bus_id(repo.bus_index, + &repo.bus_id); if (result) { - pr_debug("%s:%d read_bus_num_dev(%u) failed\n", - __func__, __LINE__, bus_index); + pr_debug("%s:%d read_bus_id(%u) failed\n", + __func__, __LINE__, repo.bus_index); continue; } - pr_debug("%s:%d bus_%u: bus_type %u, bus_id %u, num_dev %u\n", - __func__, __LINE__, bus_index, bus_type, bus_id, - num_dev); + for (repo.dev_index = 0; ; repo.dev_index++) { + result = ps3_repository_find_device(&repo); - dump_device_info(bus_index, bus_type, num_dev); - } + if (result == -ENODEV) { + result = 0; + break; + } else if (result) + break; - pr_debug(" <- %s:%d\n", __func__, __LINE__); - return result; -} -#endif /* defined(DEBUG) */ - -static int find_device(unsigned int bus_index, unsigned int num_dev, - unsigned int start_dev_index, enum ps3_dev_type dev_type, - struct ps3_repository_device *dev) -{ - int result = 0; - unsigned int dev_index; + result = callback(&repo); - pr_debug("%s:%d: find dev_type %u\n", __func__, __LINE__, dev_type); - - dev->dev_index = UINT_MAX; - - for (dev_index = start_dev_index; dev_index < num_dev; dev_index++) { - enum ps3_dev_type x; - - result = ps3_repository_read_dev_type(bus_index, dev_index, - &x); - - if (result) { - pr_debug("%s:%d read_dev_type failed\n", - __func__, __LINE__); - return result; + if (result) { + pr_debug("%s:%d: abort at callback\n", __func__, + __LINE__); + break; + } } - - if (x == dev_type) - break; - } - - if (dev_index == num_dev) - return -1; - - pr_debug("%s:%d: found dev_type %u at dev_index %u\n", - __func__, __LINE__, dev_type, dev_index); - - result = ps3_repository_read_dev_id(bus_index, dev_index, - &dev->did.dev_id); - - if (result) { - pr_debug("%s:%d read_dev_id failed\n", - __func__, __LINE__); - return result; + break; } - dev->dev_index = dev_index; - - pr_debug("%s:%d found: dev_id %u\n", __func__, __LINE__, - dev->did.dev_id); - + pr_debug(" <- %s:%d\n", __func__, __LINE__); return result; } -int ps3_repository_find_device (enum ps3_bus_type bus_type, - enum ps3_dev_type dev_type, - const struct ps3_repository_device *start_dev, - struct ps3_repository_device *dev) +int ps3_repository_find_bus(enum ps3_bus_type bus_type, unsigned int from, + unsigned int *bus_index) { - int result = 0; - unsigned int bus_index; - unsigned int num_dev; - - pr_debug("%s:%d: find bus_type %u, dev_type %u\n", __func__, __LINE__, - bus_type, dev_type); - - BUG_ON(start_dev && start_dev->bus_index > 10); - - for (bus_index = start_dev ? start_dev->bus_index : 0; bus_index < 10; - bus_index++) { - enum ps3_bus_type x; - - result = ps3_repository_read_bus_type(bus_index, &x); + unsigned int i; + enum ps3_bus_type type; + int error; - if (result) { + for (i = from; i < 10; i++) { + error = ps3_repository_read_bus_type(i, &type); + if (error) { pr_debug("%s:%d read_bus_type failed\n", __func__, __LINE__); - dev->bus_index = UINT_MAX; - return result; + *bus_index = UINT_MAX; + return error; + } + if (type == bus_type) { + *bus_index = i; + return 0; } - if (x == bus_type) - break; - } - - if (bus_index >= 10) - return -ENODEV; - - pr_debug("%s:%d: found bus_type %u at bus_index %u\n", - __func__, __LINE__, bus_type, bus_index); - - result = ps3_repository_read_bus_num_dev(bus_index, &num_dev); - - if (result) { - pr_debug("%s:%d read_bus_num_dev failed\n", - __func__, __LINE__); - return result; - } - - result = find_device(bus_index, num_dev, start_dev - ? start_dev->dev_index + 1 : 0, dev_type, dev); - - if (result) { - pr_debug("%s:%d get_did failed\n", __func__, __LINE__); - return result; - } - - result = ps3_repository_read_bus_id(bus_index, &dev->did.bus_id); - - if (result) { - pr_debug("%s:%d read_bus_id failed\n", - __func__, __LINE__); - return result; } - - dev->bus_index = bus_index; - - pr_debug("%s:%d found: bus_id %u, dev_id %u\n", - __func__, __LINE__, dev->did.bus_id, dev->did.dev_id); - - return result; + *bus_index = UINT_MAX; + return -ENODEV; } -int ps3_repository_find_interrupt(const struct ps3_repository_device *dev, +int ps3_repository_find_interrupt(const struct ps3_repository_device *repo, enum ps3_interrupt_type intr_type, unsigned int *interrupt_id) { int result = 0; @@ -645,8 +461,8 @@ int ps3_repository_find_interrupt(const struct ps3_repository_device *dev, enum ps3_interrupt_type t; unsigned int id; - result = ps3_repository_read_dev_intr(dev->bus_index, - dev->dev_index, res_index, &t, &id); + result = ps3_repository_read_dev_intr(repo->bus_index, + repo->dev_index, res_index, &t, &id); if (result) { pr_debug("%s:%d read_dev_intr failed\n", @@ -669,7 +485,7 @@ int ps3_repository_find_interrupt(const struct ps3_repository_device *dev, return result; } -int ps3_repository_find_reg(const struct ps3_repository_device *dev, +int ps3_repository_find_reg(const struct ps3_repository_device *repo, enum ps3_reg_type reg_type, u64 *bus_addr, u64 *len) { int result = 0; @@ -684,8 +500,8 @@ int ps3_repository_find_reg(const struct ps3_repository_device *dev, u64 a; u64 l; - result = ps3_repository_read_dev_reg(dev->bus_index, - dev->dev_index, res_index, &t, &a, &l); + result = ps3_repository_read_dev_reg(repo->bus_index, + repo->dev_index, res_index, &t, &a, &l); if (result) { pr_debug("%s:%d read_dev_reg failed\n", @@ -965,6 +781,36 @@ int ps3_repository_read_boot_dat_size(unsigned int *size) return result; } +int ps3_repository_read_vuart_av_port(unsigned int *port) +{ + int result; + u64 v1; + + result = read_node(PS3_LPAR_ID_CURRENT, + make_first_field("bi", 0), + make_field("vir_uart", 0), + make_field("port", 0), + make_field("avset", 0), + &v1, 0); + *port = v1; + return result; +} + +int ps3_repository_read_vuart_sysmgr_port(unsigned int *port) +{ + int result; + u64 v1; + + result = read_node(PS3_LPAR_ID_CURRENT, + make_first_field("bi", 0), + make_field("vir_uart", 0), + make_field("port", 0), + make_field("sysmgr", 0), + &v1, 0); + *port = v1; + return result; +} + /** * ps3_repository_read_boot_dat_info - Get address and size of cell_ext_os_area. * address: lpar address of cell_ext_os_area @@ -1026,3 +872,205 @@ int ps3_repository_read_be_tb_freq(unsigned int be_index, u64 *tb_freq) return result ? result : ps3_repository_read_tb_freq(node_id, tb_freq); } + +#if defined(DEBUG) + +int ps3_repository_dump_resource_info(const struct ps3_repository_device *repo) +{ + int result = 0; + unsigned int res_index; + + pr_debug(" -> %s:%d: (%u:%u)\n", __func__, __LINE__, + repo->bus_index, repo->dev_index); + + for (res_index = 0; res_index < 10; res_index++) { + enum ps3_interrupt_type intr_type; + unsigned int interrupt_id; + + result = ps3_repository_read_dev_intr(repo->bus_index, + repo->dev_index, res_index, &intr_type, &interrupt_id); + + if (result) { + if (result != LV1_NO_ENTRY) + pr_debug("%s:%d ps3_repository_read_dev_intr" + " (%u:%u) failed\n", __func__, __LINE__, + repo->bus_index, repo->dev_index); + break; + } + + pr_debug("%s:%d (%u:%u) intr_type %u, interrupt_id %u\n", + __func__, __LINE__, repo->bus_index, repo->dev_index, + intr_type, interrupt_id); + } + + for (res_index = 0; res_index < 10; res_index++) { + enum ps3_reg_type reg_type; + u64 bus_addr; + u64 len; + + result = ps3_repository_read_dev_reg(repo->bus_index, + repo->dev_index, res_index, ®_type, &bus_addr, &len); + + if (result) { + if (result != LV1_NO_ENTRY) + pr_debug("%s:%d ps3_repository_read_dev_reg" + " (%u:%u) failed\n", __func__, __LINE__, + repo->bus_index, repo->dev_index); + break; + } + + pr_debug("%s:%d (%u:%u) reg_type %u, bus_addr %lxh, len %lxh\n", + __func__, __LINE__, repo->bus_index, repo->dev_index, + reg_type, bus_addr, len); + } + + pr_debug(" <- %s:%d\n", __func__, __LINE__); + return result; +} + +static int dump_stor_dev_info(struct ps3_repository_device *repo) +{ + int result = 0; + unsigned int num_regions, region_index; + u64 port, blk_size, num_blocks; + + pr_debug(" -> %s:%d: (%u:%u)\n", __func__, __LINE__, + repo->bus_index, repo->dev_index); + + result = ps3_repository_read_stor_dev_info(repo->bus_index, + repo->dev_index, &port, &blk_size, &num_blocks, &num_regions); + if (result) { + pr_debug("%s:%d ps3_repository_read_stor_dev_info" + " (%u:%u) failed\n", __func__, __LINE__, + repo->bus_index, repo->dev_index); + goto out; + } + + pr_debug("%s:%d (%u:%u): port %lu, blk_size %lu, num_blocks " + "%lu, num_regions %u\n", + __func__, __LINE__, repo->bus_index, repo->dev_index, port, + blk_size, num_blocks, num_regions); + + for (region_index = 0; region_index < num_regions; region_index++) { + unsigned int region_id; + u64 region_start, region_size; + + result = ps3_repository_read_stor_dev_region(repo->bus_index, + repo->dev_index, region_index, ®ion_id, + ®ion_start, ®ion_size); + if (result) { + pr_debug("%s:%d ps3_repository_read_stor_dev_region" + " (%u:%u) failed\n", __func__, __LINE__, + repo->bus_index, repo->dev_index); + break; + } + + pr_debug("%s:%d (%u:%u) region_id %u, start %lxh, size %lxh\n", + __func__, __LINE__, repo->bus_index, repo->dev_index, + region_id, region_start, region_size); + } + +out: + pr_debug(" <- %s:%d\n", __func__, __LINE__); + return result; +} + +static int dump_device_info(struct ps3_repository_device *repo, + unsigned int num_dev) +{ + int result = 0; + + pr_debug(" -> %s:%d: bus_%u\n", __func__, __LINE__, repo->bus_index); + + for (repo->dev_index = 0; repo->dev_index < num_dev; + repo->dev_index++) { + + result = ps3_repository_read_dev_type(repo->bus_index, + repo->dev_index, &repo->dev_type); + + if (result) { + pr_debug("%s:%d ps3_repository_read_dev_type" + " (%u:%u) failed\n", __func__, __LINE__, + repo->bus_index, repo->dev_index); + break; + } + + result = ps3_repository_read_dev_id(repo->bus_index, + repo->dev_index, &repo->dev_id); + + if (result) { + pr_debug("%s:%d ps3_repository_read_dev_id" + " (%u:%u) failed\n", __func__, __LINE__, + repo->bus_index, repo->dev_index); + continue; + } + + pr_debug("%s:%d (%u:%u): dev_type %u, dev_id %u\n", __func__, + __LINE__, repo->bus_index, repo->dev_index, + repo->dev_type, repo->dev_id); + + ps3_repository_dump_resource_info(repo); + + if (repo->bus_type == PS3_BUS_TYPE_STORAGE) + dump_stor_dev_info(repo); + } + + pr_debug(" <- %s:%d\n", __func__, __LINE__); + return result; +} + +int ps3_repository_dump_bus_info(void) +{ + int result = 0; + struct ps3_repository_device repo; + + pr_debug(" -> %s:%d\n", __func__, __LINE__); + + memset(&repo, 0, sizeof(repo)); + + for (repo.bus_index = 0; repo.bus_index < 10; repo.bus_index++) { + unsigned int num_dev; + + result = ps3_repository_read_bus_type(repo.bus_index, + &repo.bus_type); + + if (result) { + pr_debug("%s:%d read_bus_type(%u) failed\n", + __func__, __LINE__, repo.bus_index); + break; + } + + result = ps3_repository_read_bus_id(repo.bus_index, + &repo.bus_id); + + if (result) { + pr_debug("%s:%d read_bus_id(%u) failed\n", + __func__, __LINE__, repo.bus_index); + continue; + } + + if (repo.bus_index != repo.bus_id) + pr_debug("%s:%d bus_index != bus_id\n", + __func__, __LINE__); + + result = ps3_repository_read_bus_num_dev(repo.bus_index, + &num_dev); + + if (result) { + pr_debug("%s:%d read_bus_num_dev(%u) failed\n", + __func__, __LINE__, repo.bus_index); + continue; + } + + pr_debug("%s:%d bus_%u: bus_type %u, bus_id %u, num_dev %u\n", + __func__, __LINE__, repo.bus_index, repo.bus_type, + repo.bus_id, num_dev); + + dump_device_info(&repo, num_dev); + } + + pr_debug(" <- %s:%d\n", __func__, __LINE__); + return result; +} + +#endif /* defined(DEBUG) */ diff --git a/arch/powerpc/platforms/ps3/setup.c b/arch/powerpc/platforms/ps3/setup.c index 9353967..aa05288 100644 --- a/arch/powerpc/platforms/ps3/setup.c +++ b/arch/powerpc/platforms/ps3/setup.c @@ -37,27 +37,35 @@ #include "platform.h" #if defined(DEBUG) -#define DBG(fmt...) udbg_printf(fmt) +#define DBG udbg_printf #else -#define DBG(fmt...) do{if(0)printk(fmt);}while(0) +#define DBG pr_debug #endif #if !defined(CONFIG_SMP) static void smp_send_stop(void) {} #endif -int ps3_get_firmware_version(union ps3_firmware_version *v) +static union ps3_firmware_version ps3_firmware_version; + +void ps3_get_firmware_version(union ps3_firmware_version *v) { - int result = lv1_get_version_info(&v->raw); + *v = ps3_firmware_version; +} +EXPORT_SYMBOL_GPL(ps3_get_firmware_version); - if (result) { - v->raw = 0; - return -1; - } +int ps3_compare_firmware_version(u16 major, u16 minor, u16 rev) +{ + union ps3_firmware_version x; + + x.pad = 0; + x.major = major; + x.minor = minor; + x.rev = rev; - return result; + return (ps3_firmware_version.raw - x.raw); } -EXPORT_SYMBOL_GPL(ps3_get_firmware_version); +EXPORT_SYMBOL_GPL(ps3_compare_firmware_version); static void ps3_power_save(void) { @@ -99,7 +107,8 @@ static void ps3_panic(char *str) while(1); } -#ifdef CONFIG_FB_PS3 +#if defined(CONFIG_FB_PS3) || defined(CONFIG_FB_PS3_MODULE) || \ + defined(CONFIG_PS3_FLASH) || defined(CONFIG_PS3_FLASH_MODULE) static void prealloc(struct ps3_prealloc *p) { if (!p->size) @@ -115,12 +124,15 @@ static void prealloc(struct ps3_prealloc *p) printk(KERN_INFO "%s: %lu bytes at %p\n", p->name, p->size, p->address); } +#endif +#if defined(CONFIG_FB_PS3) || defined(CONFIG_FB_PS3_MODULE) struct ps3_prealloc ps3fb_videomemory = { - .name = "ps3fb videomemory", - .size = CONFIG_FB_PS3_DEFAULT_SIZE_M*1024*1024, - .align = 1024*1024 /* the GPU requires 1 MiB alignment */ + .name = "ps3fb videomemory", + .size = CONFIG_FB_PS3_DEFAULT_SIZE_M*1024*1024, + .align = 1024*1024 /* the GPU requires 1 MiB alignment */ }; +EXPORT_SYMBOL_GPL(ps3fb_videomemory); #define prealloc_ps3fb_videomemory() prealloc(&ps3fb_videomemory) static int __init early_parse_ps3fb(char *p) @@ -137,6 +149,30 @@ early_param("ps3fb", early_parse_ps3fb); #define prealloc_ps3fb_videomemory() do { } while (0) #endif +#if defined(CONFIG_PS3_FLASH) || defined(CONFIG_PS3_FLASH_MODULE) +struct ps3_prealloc ps3flash_bounce_buffer = { + .name = "ps3flash bounce buffer", + .size = 256*1024, + .align = 256*1024 +}; +EXPORT_SYMBOL_GPL(ps3flash_bounce_buffer); +#define prealloc_ps3flash_bounce_buffer() prealloc(&ps3flash_bounce_buffer) + +static int __init early_parse_ps3flash(char *p) +{ + if (!p) + return 1; + + if (!strcmp(p, "off")) + ps3flash_bounce_buffer.size = 0; + + return 0; +} +early_param("ps3flash", early_parse_ps3flash); +#else +#define prealloc_ps3flash_bounce_buffer() do { } while (0) +#endif + static int ps3_set_dabr(u64 dabr) { enum {DABR_USER = 1, DABR_KERNEL = 2,}; @@ -146,13 +182,13 @@ static int ps3_set_dabr(u64 dabr) static void __init ps3_setup_arch(void) { - union ps3_firmware_version v; DBG(" -> %s:%d\n", __func__, __LINE__); - ps3_get_firmware_version(&v); - printk(KERN_INFO "PS3 firmware version %u.%u.%u\n", v.major, v.minor, - v.rev); + lv1_get_version_info(&ps3_firmware_version.raw); + printk(KERN_INFO "PS3 firmware version %u.%u.%u\n", + ps3_firmware_version.major, ps3_firmware_version.minor, + ps3_firmware_version.rev); ps3_spu_set_platform(); ps3_map_htab(); @@ -166,6 +202,8 @@ static void __init ps3_setup_arch(void) #endif prealloc_ps3fb_videomemory(); + prealloc_ps3flash_bounce_buffer(); + ppc_md.power_save = ps3_power_save; DBG(" <- %s:%d\n", __func__, __LINE__); @@ -184,7 +222,7 @@ static int __init ps3_probe(void) DBG(" -> %s:%d\n", __func__, __LINE__); dt_root = of_get_flat_dt_root(); - if (!of_flat_dt_is_compatible(dt_root, "PS3")) + if (!of_flat_dt_is_compatible(dt_root, "sony,ps3")) return 0; powerpc_firmware_features |= FW_FEATURE_PS3_POSSIBLE; @@ -201,31 +239,12 @@ static int __init ps3_probe(void) #if defined(CONFIG_KEXEC) static void ps3_kexec_cpu_down(int crash_shutdown, int secondary) { - DBG(" -> %s:%d\n", __func__, __LINE__); - - if (secondary) { - int cpu; - for_each_online_cpu(cpu) - if (cpu) - ps3_smp_cleanup_cpu(cpu); - } else - ps3_smp_cleanup_cpu(0); - - DBG(" <- %s:%d\n", __func__, __LINE__); -} - -static void ps3_machine_kexec(struct kimage *image) -{ - unsigned long ppe_id; - - DBG(" -> %s:%d\n", __func__, __LINE__); + int cpu = smp_processor_id(); - lv1_get_logical_ppe_id(&ppe_id); - lv1_configure_irq_state_bitmap(ppe_id, 0, 0); - ps3_mm_shutdown(); - ps3_mm_vas_destroy(); + DBG(" -> %s:%d: (%d)\n", __func__, __LINE__, cpu); - default_machine_kexec(image); + ps3_smp_cleanup_cpu(cpu); + ps3_shutdown_IRQ(cpu); DBG(" <- %s:%d\n", __func__, __LINE__); } @@ -247,7 +266,7 @@ define_machine(ps3) { .power_off = ps3_power_off, #if defined(CONFIG_KEXEC) .kexec_cpu_down = ps3_kexec_cpu_down, - .machine_kexec = ps3_machine_kexec, + .machine_kexec = default_machine_kexec, .machine_kexec_prepare = default_machine_kexec_prepare, .machine_crash_shutdown = default_machine_crash_shutdown, #endif diff --git a/arch/powerpc/platforms/ps3/smp.c b/arch/powerpc/platforms/ps3/smp.c index 53416ec..f0b12f2 100644 --- a/arch/powerpc/platforms/ps3/smp.c +++ b/arch/powerpc/platforms/ps3/smp.c @@ -27,9 +27,9 @@ #include "platform.h" #if defined(DEBUG) -#define DBG(fmt...) udbg_printf(fmt) +#define DBG udbg_printf #else -#define DBG(fmt...) do{if(0)printk(fmt);}while(0) +#define DBG pr_debug #endif static irqreturn_t ipi_function_handler(int irq, void *msg) @@ -39,11 +39,11 @@ static irqreturn_t ipi_function_handler(int irq, void *msg) } /** - * virqs - a per cpu array of virqs for ipi use + * ps3_ipi_virqs - a per cpu array of virqs for ipi use */ #define MSG_COUNT 4 -static DEFINE_PER_CPU(unsigned int, virqs[MSG_COUNT]); +static DEFINE_PER_CPU(unsigned int, ps3_ipi_virqs[MSG_COUNT]); static const char *names[MSG_COUNT] = { "ipi call", @@ -62,7 +62,7 @@ static void do_message_pass(int target, int msg) return; } - virq = per_cpu(virqs, target)[msg]; + virq = per_cpu(ps3_ipi_virqs, target)[msg]; result = ps3_send_event_locally(virq); if (result) @@ -94,13 +94,13 @@ static int ps3_smp_probe(void) static void __init ps3_smp_setup_cpu(int cpu) { int result; - unsigned int *virqs = per_cpu(virqs, cpu); + unsigned int *virqs = per_cpu(ps3_ipi_virqs, cpu); int i; DBG(" -> %s:%d: (%d)\n", __func__, __LINE__, cpu); /* - * Check assumptions on virqs[] indexing. If this + * Check assumptions on ps3_ipi_virqs[] indexing. If this * check fails, then a different mapping of PPC_MSG_ * to index needs to be setup. */ @@ -132,13 +132,13 @@ static void __init ps3_smp_setup_cpu(int cpu) void ps3_smp_cleanup_cpu(int cpu) { - unsigned int *virqs = per_cpu(virqs, cpu); + unsigned int *virqs = per_cpu(ps3_ipi_virqs, cpu); int i; DBG(" -> %s:%d: (%d)\n", __func__, __LINE__, cpu); for (i = 0; i < MSG_COUNT; i++) { - free_irq(virqs[i], (void*)(long)i); + /* Can't call free_irq from interrupt context. */ ps3_event_receive_port_destroy(virqs[i]); virqs[i] = NO_IRQ; } diff --git a/arch/powerpc/platforms/ps3/spu.c b/arch/powerpc/platforms/ps3/spu.c index 651437c..502d80e 100644 --- a/arch/powerpc/platforms/ps3/spu.c +++ b/arch/powerpc/platforms/ps3/spu.c @@ -182,15 +182,18 @@ static int __init setup_areas(struct spu *spu) { struct table {char* name; unsigned long addr; unsigned long size;}; - spu_pdata(spu)->shadow = __ioremap( - spu_pdata(spu)->shadow_addr, sizeof(struct spe_shadow), - pgprot_val(PAGE_READONLY) | _PAGE_NO_CACHE | _PAGE_GUARDED); + spu_pdata(spu)->shadow = ioremap_flags(spu_pdata(spu)->shadow_addr, + sizeof(struct spe_shadow), + pgprot_val(PAGE_READONLY) | + _PAGE_NO_CACHE); if (!spu_pdata(spu)->shadow) { pr_debug("%s:%d: ioremap shadow failed\n", __func__, __LINE__); goto fail_ioremap; } - spu->local_store = ioremap(spu->local_store_phys, LS_SIZE); + spu->local_store = (__force void *)ioremap_flags(spu->local_store_phys, + LS_SIZE, _PAGE_NO_CACHE); + if (!spu->local_store) { pr_debug("%s:%d: ioremap local_store failed\n", __func__, __LINE__); @@ -199,6 +202,7 @@ static int __init setup_areas(struct spu *spu) spu->problem = ioremap(spu->problem_phys, sizeof(struct spu_problem)); + if (!spu->problem) { pr_debug("%s:%d: ioremap problem failed\n", __func__, __LINE__); goto fail_ioremap; @@ -206,6 +210,7 @@ static int __init setup_areas(struct spu *spu) spu->priv2 = ioremap(spu_pdata(spu)->priv2_addr, sizeof(struct spu_priv2)); + if (!spu->priv2) { pr_debug("%s:%d: ioremap priv2 failed\n", __func__, __LINE__); goto fail_ioremap; @@ -400,11 +405,13 @@ static int __init ps3_enumerate_spus(int (*fn)(void *data)) } } - if (result) + if (result) { printk(KERN_WARNING "%s:%d: Error initializing spus\n", __func__, __LINE__); + return result; + } - return result; + return num_resource_id; } const struct spu_management_ops spu_management_ps3_ops = { diff --git a/arch/powerpc/platforms/ps3/system-bus.c b/arch/powerpc/platforms/ps3/system-bus.c index 6bda510..4bb634a 100644 --- a/arch/powerpc/platforms/ps3/system-bus.c +++ b/arch/powerpc/platforms/ps3/system-bus.c @@ -30,22 +30,228 @@ #include "platform.h" +static struct device ps3_system_bus = { + .bus_id = "ps3_system", +}; + +/* FIXME: need device usage counters! */ +struct { + struct mutex mutex; + int sb_11; /* usb 0 */ + int sb_12; /* usb 0 */ + int gpu; +} static usage_hack; + +static int ps3_is_device(struct ps3_system_bus_device *dev, + unsigned int bus_id, unsigned int dev_id) +{ + return dev->bus_id == bus_id && dev->dev_id == dev_id; +} + +static int ps3_open_hv_device_sb(struct ps3_system_bus_device *dev) +{ + int result; + + BUG_ON(!dev->bus_id); + mutex_lock(&usage_hack.mutex); + + if (ps3_is_device(dev, 1, 1)) { + usage_hack.sb_11++; + if (usage_hack.sb_11 > 1) { + result = 0; + goto done; + } + } + + if (ps3_is_device(dev, 1, 2)) { + usage_hack.sb_12++; + if (usage_hack.sb_12 > 1) { + result = 0; + goto done; + } + } + + result = lv1_open_device(dev->bus_id, dev->dev_id, 0); + + if (result) { + pr_debug("%s:%d: lv1_open_device failed: %s\n", __func__, + __LINE__, ps3_result(result)); + result = -EPERM; + } + +done: + mutex_unlock(&usage_hack.mutex); + return result; +} + +static int ps3_close_hv_device_sb(struct ps3_system_bus_device *dev) +{ + int result; + + BUG_ON(!dev->bus_id); + mutex_lock(&usage_hack.mutex); + + if (ps3_is_device(dev, 1, 1)) { + usage_hack.sb_11--; + if (usage_hack.sb_11) { + result = 0; + goto done; + } + } + + if (ps3_is_device(dev, 1, 2)) { + usage_hack.sb_12--; + if (usage_hack.sb_12) { + result = 0; + goto done; + } + } + + result = lv1_close_device(dev->bus_id, dev->dev_id); + BUG_ON(result); + +done: + mutex_unlock(&usage_hack.mutex); + return result; +} + +static int ps3_open_hv_device_gpu(struct ps3_system_bus_device *dev) +{ + int result; + + mutex_lock(&usage_hack.mutex); + + usage_hack.gpu++; + if (usage_hack.gpu > 1) { + result = 0; + goto done; + } + + result = lv1_gpu_open(0); + + if (result) { + pr_debug("%s:%d: lv1_gpu_open failed: %s\n", __func__, + __LINE__, ps3_result(result)); + result = -EPERM; + } + +done: + mutex_unlock(&usage_hack.mutex); + return result; +} + +static int ps3_close_hv_device_gpu(struct ps3_system_bus_device *dev) +{ + int result; + + mutex_lock(&usage_hack.mutex); + + usage_hack.gpu--; + if (usage_hack.gpu) { + result = 0; + goto done; + } + + result = lv1_gpu_close(); + BUG_ON(result); + +done: + mutex_unlock(&usage_hack.mutex); + return result; +} + +int ps3_open_hv_device(struct ps3_system_bus_device *dev) +{ + BUG_ON(!dev); + pr_debug("%s:%d: match_id: %u\n", __func__, __LINE__, dev->match_id); + + switch (dev->match_id) { + case PS3_MATCH_ID_EHCI: + case PS3_MATCH_ID_OHCI: + case PS3_MATCH_ID_GELIC: + case PS3_MATCH_ID_STOR_DISK: + case PS3_MATCH_ID_STOR_ROM: + case PS3_MATCH_ID_STOR_FLASH: + return ps3_open_hv_device_sb(dev); + + case PS3_MATCH_ID_SOUND: + case PS3_MATCH_ID_GRAPHICS: + return ps3_open_hv_device_gpu(dev); + + case PS3_MATCH_ID_AV_SETTINGS: + case PS3_MATCH_ID_SYSTEM_MANAGER: + pr_debug("%s:%d: unsupported match_id: %u\n", __func__, + __LINE__, dev->match_id); + pr_debug("%s:%d: bus_id: %u\n", __func__, + __LINE__, dev->bus_id); + BUG(); + return -EINVAL; + + default: + break; + } + + pr_debug("%s:%d: unknown match_id: %u\n", __func__, __LINE__, + dev->match_id); + BUG(); + return -ENODEV; +} +EXPORT_SYMBOL_GPL(ps3_open_hv_device); + +int ps3_close_hv_device(struct ps3_system_bus_device *dev) +{ + BUG_ON(!dev); + pr_debug("%s:%d: match_id: %u\n", __func__, __LINE__, dev->match_id); + + switch (dev->match_id) { + case PS3_MATCH_ID_EHCI: + case PS3_MATCH_ID_OHCI: + case PS3_MATCH_ID_GELIC: + case PS3_MATCH_ID_STOR_DISK: + case PS3_MATCH_ID_STOR_ROM: + case PS3_MATCH_ID_STOR_FLASH: + return ps3_close_hv_device_sb(dev); + + case PS3_MATCH_ID_SOUND: + case PS3_MATCH_ID_GRAPHICS: + return ps3_close_hv_device_gpu(dev); + + case PS3_MATCH_ID_AV_SETTINGS: + case PS3_MATCH_ID_SYSTEM_MANAGER: + pr_debug("%s:%d: unsupported match_id: %u\n", __func__, + __LINE__, dev->match_id); + pr_debug("%s:%d: bus_id: %u\n", __func__, + __LINE__, dev->bus_id); + BUG(); + return -EINVAL; + + default: + break; + } + + pr_debug("%s:%d: unknown match_id: %u\n", __func__, __LINE__, + dev->match_id); + BUG(); + return -ENODEV; +} +EXPORT_SYMBOL_GPL(ps3_close_hv_device); + #define dump_mmio_region(_a) _dump_mmio_region(_a, __func__, __LINE__) static void _dump_mmio_region(const struct ps3_mmio_region* r, const char* func, int line) { - pr_debug("%s:%d: dev %u:%u\n", func, line, r->did.bus_id, - r->did.dev_id); + pr_debug("%s:%d: dev %u:%u\n", func, line, r->dev->bus_id, + r->dev->dev_id); pr_debug("%s:%d: bus_addr %lxh\n", func, line, r->bus_addr); pr_debug("%s:%d: len %lxh\n", func, line, r->len); pr_debug("%s:%d: lpar_addr %lxh\n", func, line, r->lpar_addr); } -int ps3_mmio_region_create(struct ps3_mmio_region *r) +static int ps3_sb_mmio_region_create(struct ps3_mmio_region *r) { int result; - result = lv1_map_device_mmio_region(r->did.bus_id, r->did.dev_id, + result = lv1_map_device_mmio_region(r->dev->bus_id, r->dev->dev_id, r->bus_addr, r->len, r->page_size, &r->lpar_addr); if (result) { @@ -57,13 +263,26 @@ int ps3_mmio_region_create(struct ps3_mmio_region *r) dump_mmio_region(r); return result; } + +static int ps3_ioc0_mmio_region_create(struct ps3_mmio_region *r) +{ + /* device specific; do nothing currently */ + return 0; +} + +int ps3_mmio_region_create(struct ps3_mmio_region *r) +{ + return r->mmio_ops->create(r); +} EXPORT_SYMBOL_GPL(ps3_mmio_region_create); -int ps3_free_mmio_region(struct ps3_mmio_region *r) +static int ps3_sb_free_mmio_region(struct ps3_mmio_region *r) { int result; - result = lv1_unmap_device_mmio_region(r->did.bus_id, r->did.dev_id, + dump_mmio_region(r); +; + result = lv1_unmap_device_mmio_region(r->dev->bus_id, r->dev->dev_id, r->lpar_addr); if (result) @@ -73,14 +292,60 @@ int ps3_free_mmio_region(struct ps3_mmio_region *r) r->lpar_addr = 0; return result; } + +static int ps3_ioc0_free_mmio_region(struct ps3_mmio_region *r) +{ + /* device specific; do nothing currently */ + return 0; +} + + +int ps3_free_mmio_region(struct ps3_mmio_region *r) +{ + return r->mmio_ops->free(r); +} + EXPORT_SYMBOL_GPL(ps3_free_mmio_region); +static const struct ps3_mmio_region_ops ps3_mmio_sb_region_ops = { + .create = ps3_sb_mmio_region_create, + .free = ps3_sb_free_mmio_region +}; + +static const struct ps3_mmio_region_ops ps3_mmio_ioc0_region_ops = { + .create = ps3_ioc0_mmio_region_create, + .free = ps3_ioc0_free_mmio_region +}; + +int ps3_mmio_region_init(struct ps3_system_bus_device *dev, + struct ps3_mmio_region *r, unsigned long bus_addr, unsigned long len, + enum ps3_mmio_page_size page_size) +{ + r->dev = dev; + r->bus_addr = bus_addr; + r->len = len; + r->page_size = page_size; + switch (dev->dev_type) { + case PS3_DEVICE_TYPE_SB: + r->mmio_ops = &ps3_mmio_sb_region_ops; + break; + case PS3_DEVICE_TYPE_IOC0: + r->mmio_ops = &ps3_mmio_ioc0_region_ops; + break; + default: + BUG(); + return -EINVAL; + } + return 0; +} +EXPORT_SYMBOL_GPL(ps3_mmio_region_init); + static int ps3_system_bus_match(struct device *_dev, struct device_driver *_drv) { int result; - struct ps3_system_bus_driver *drv = to_ps3_system_bus_driver(_drv); - struct ps3_system_bus_device *dev = to_ps3_system_bus_device(_dev); + struct ps3_system_bus_driver *drv = ps3_drv_to_system_bus_drv(_drv); + struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev); result = dev->match_id == drv->match_id; @@ -92,32 +357,14 @@ static int ps3_system_bus_match(struct device *_dev, static int ps3_system_bus_probe(struct device *_dev) { - int result; - struct ps3_system_bus_device *dev = to_ps3_system_bus_device(_dev); - struct ps3_system_bus_driver *drv = - to_ps3_system_bus_driver(_dev->driver); - - result = lv1_open_device(dev->did.bus_id, dev->did.dev_id, 0); - - if (result) { - pr_debug("%s:%d: lv1_open_device failed (%d)\n", - __func__, __LINE__, result); - result = -EACCES; - goto clean_none; - } - - if (dev->d_region->did.bus_id) { - result = ps3_dma_region_create(dev->d_region); + int result = 0; + struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev); + struct ps3_system_bus_driver *drv; - if (result) { - pr_debug("%s:%d: ps3_dma_region_create failed (%d)\n", - __func__, __LINE__, result); - BUG_ON("check region type"); - result = -EINVAL; - goto clean_device; - } - } + BUG_ON(!dev); + pr_info(" -> %s:%d: %s\n", __func__, __LINE__, _dev->bus_id); + drv = ps3_system_bus_dev_to_system_bus_drv(dev); BUG_ON(!drv); if (drv->probe) @@ -126,56 +373,127 @@ static int ps3_system_bus_probe(struct device *_dev) pr_info("%s:%d: %s no probe method\n", __func__, __LINE__, dev->core.bus_id); - if (result) { - pr_debug("%s:%d: drv->probe failed\n", __func__, __LINE__); - goto clean_dma; - } - - return result; - -clean_dma: - ps3_dma_region_free(dev->d_region); -clean_device: - lv1_close_device(dev->did.bus_id, dev->did.dev_id); -clean_none: + pr_info(" <- %s:%d: %s\n", __func__, __LINE__, dev->core.bus_id); return result; } static int ps3_system_bus_remove(struct device *_dev) { - struct ps3_system_bus_device *dev = to_ps3_system_bus_device(_dev); - struct ps3_system_bus_driver *drv = - to_ps3_system_bus_driver(_dev->driver); + int result = 0; + struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev); + struct ps3_system_bus_driver *drv; + + BUG_ON(!dev); + pr_info(" -> %s:%d: %s\n", __func__, __LINE__, _dev->bus_id); + + drv = ps3_system_bus_dev_to_system_bus_drv(dev); + BUG_ON(!drv); if (drv->remove) - drv->remove(dev); + result = drv->remove(dev); else - pr_info("%s:%d: %s no remove method\n", __func__, __LINE__, - dev->core.bus_id); + dev_dbg(&dev->core, "%s:%d %s: no remove method\n", + __func__, __LINE__, drv->core.name); + + pr_info(" <- %s:%d: %s\n", __func__, __LINE__, dev->core.bus_id); + return result; +} + +static void ps3_system_bus_shutdown(struct device *_dev) +{ + struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev); + struct ps3_system_bus_driver *drv; + + BUG_ON(!dev); + + dev_dbg(&dev->core, " -> %s:%d: match_id %d\n", __func__, __LINE__, + dev->match_id); + + if (!dev->core.driver) { + dev_dbg(&dev->core, "%s:%d: no driver bound\n", __func__, + __LINE__); + return; + } + + drv = ps3_system_bus_dev_to_system_bus_drv(dev); + + BUG_ON(!drv); + + dev_dbg(&dev->core, "%s:%d: %s -> %s\n", __func__, __LINE__, + dev->core.bus_id, drv->core.name); + + if (drv->shutdown) + drv->shutdown(dev); + else if (drv->remove) { + dev_dbg(&dev->core, "%s:%d %s: no shutdown, calling remove\n", + __func__, __LINE__, drv->core.name); + drv->remove(dev); + } else { + dev_dbg(&dev->core, "%s:%d %s: no shutdown method\n", + __func__, __LINE__, drv->core.name); + BUG(); + } + + dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__); +} + +static int ps3_system_bus_uevent(struct device *_dev, char **envp, + int num_envp, char *buffer, int buffer_size) +{ + struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev); + int i = 0, length = 0; - ps3_dma_region_free(dev->d_region); - ps3_free_mmio_region(dev->m_region); - lv1_close_device(dev->did.bus_id, dev->did.dev_id); + if (add_uevent_var(envp, num_envp, &i, buffer, buffer_size, + &length, "MODALIAS=ps3:%d", + dev->match_id)) + return -ENOMEM; + envp[i] = NULL; return 0; } +static ssize_t modalias_show(struct device *_dev, struct device_attribute *a, + char *buf) +{ + struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev); + int len = snprintf(buf, PAGE_SIZE, "ps3:%d\n", dev->match_id); + + return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len; +} + +static struct device_attribute ps3_system_bus_dev_attrs[] = { + __ATTR_RO(modalias), + __ATTR_NULL, +}; + struct bus_type ps3_system_bus_type = { .name = "ps3_system_bus", .match = ps3_system_bus_match, + .uevent = ps3_system_bus_uevent, .probe = ps3_system_bus_probe, .remove = ps3_system_bus_remove, + .shutdown = ps3_system_bus_shutdown, + .dev_attrs = ps3_system_bus_dev_attrs, }; -int __init ps3_system_bus_init(void) +static int __init ps3_system_bus_init(void) { int result; if (!firmware_has_feature(FW_FEATURE_PS3_LV1)) return -ENODEV; + pr_debug(" -> %s:%d\n", __func__, __LINE__); + + mutex_init(&usage_hack.mutex); + + result = device_register(&ps3_system_bus); + BUG_ON(result); + result = bus_register(&ps3_system_bus_type); BUG_ON(result); + + pr_debug(" <- %s:%d\n", __func__, __LINE__); return result; } @@ -185,16 +503,13 @@ core_initcall(ps3_system_bus_init); * Returns the virtual address of the buffer and sets dma_handle * to the dma address (mapping) of the first page. */ - static void * ps3_alloc_coherent(struct device *_dev, size_t size, - dma_addr_t *dma_handle, gfp_t flag) + dma_addr_t *dma_handle, gfp_t flag) { int result; - struct ps3_system_bus_device *dev = to_ps3_system_bus_device(_dev); + struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev); unsigned long virt_addr; - BUG_ON(!dev->d_region->bus_addr); - flag &= ~(__GFP_DMA | __GFP_HIGHMEM); flag |= __GFP_ZERO; @@ -205,7 +520,8 @@ static void * ps3_alloc_coherent(struct device *_dev, size_t size, goto clean_none; } - result = ps3_dma_map(dev->d_region, virt_addr, size, dma_handle); + result = ps3_dma_map(dev->d_region, virt_addr, size, dma_handle, + IOPTE_PP_W | IOPTE_PP_R | IOPTE_SO_RW | IOPTE_M); if (result) { pr_debug("%s:%d: ps3_dma_map failed (%d)\n", @@ -226,7 +542,7 @@ clean_none: static void ps3_free_coherent(struct device *_dev, size_t size, void *vaddr, dma_addr_t dma_handle) { - struct ps3_system_bus_device *dev = to_ps3_system_bus_device(_dev); + struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev); ps3_dma_unmap(dev->d_region, dma_handle, size); free_pages((unsigned long)vaddr, get_order(size)); @@ -239,15 +555,16 @@ static void ps3_free_coherent(struct device *_dev, size_t size, void *vaddr, * byte within the page as vaddr. */ -static dma_addr_t ps3_map_single(struct device *_dev, void *ptr, size_t size, +static dma_addr_t ps3_sb_map_single(struct device *_dev, void *ptr, size_t size, enum dma_data_direction direction) { - struct ps3_system_bus_device *dev = to_ps3_system_bus_device(_dev); + struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev); int result; unsigned long bus_addr; result = ps3_dma_map(dev->d_region, (unsigned long)ptr, size, - &bus_addr); + &bus_addr, + IOPTE_PP_R | IOPTE_PP_W | IOPTE_SO_RW | IOPTE_M); if (result) { pr_debug("%s:%d: ps3_dma_map failed (%d)\n", @@ -257,10 +574,44 @@ static dma_addr_t ps3_map_single(struct device *_dev, void *ptr, size_t size, return bus_addr; } +static dma_addr_t ps3_ioc0_map_single(struct device *_dev, void *ptr, + size_t size, + enum dma_data_direction direction) +{ + struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev); + int result; + unsigned long bus_addr; + u64 iopte_flag; + + iopte_flag = IOPTE_M; + switch (direction) { + case DMA_BIDIRECTIONAL: + iopte_flag |= IOPTE_PP_R | IOPTE_PP_W | IOPTE_SO_RW; + break; + case DMA_TO_DEVICE: + iopte_flag |= IOPTE_PP_R | IOPTE_SO_R; + break; + case DMA_FROM_DEVICE: + iopte_flag |= IOPTE_PP_W | IOPTE_SO_RW; + break; + default: + /* not happned */ + BUG(); + }; + result = ps3_dma_map(dev->d_region, (unsigned long)ptr, size, + &bus_addr, iopte_flag); + + if (result) { + pr_debug("%s:%d: ps3_dma_map failed (%d)\n", + __func__, __LINE__, result); + } + return bus_addr; +} + static void ps3_unmap_single(struct device *_dev, dma_addr_t dma_addr, size_t size, enum dma_data_direction direction) { - struct ps3_system_bus_device *dev = to_ps3_system_bus_device(_dev); + struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev); int result; result = ps3_dma_unmap(dev->d_region, dma_addr, size); @@ -271,20 +622,20 @@ static void ps3_unmap_single(struct device *_dev, dma_addr_t dma_addr, } } -static int ps3_map_sg(struct device *_dev, struct scatterlist *sg, int nents, +static int ps3_sb_map_sg(struct device *_dev, struct scatterlist *sg, int nents, enum dma_data_direction direction) { #if defined(CONFIG_PS3_DYNAMIC_DMA) BUG_ON("do"); return -EPERM; #else - struct ps3_system_bus_device *dev = to_ps3_system_bus_device(_dev); + struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev); int i; for (i = 0; i < nents; i++, sg++) { int result = ps3_dma_map(dev->d_region, page_to_phys(sg->page) + sg->offset, sg->length, - &sg->dma_address); + &sg->dma_address, 0); if (result) { pr_debug("%s:%d: ps3_dma_map failed (%d)\n", @@ -299,7 +650,15 @@ static int ps3_map_sg(struct device *_dev, struct scatterlist *sg, int nents, #endif } -static void ps3_unmap_sg(struct device *_dev, struct scatterlist *sg, +static int ps3_ioc0_map_sg(struct device *_dev, struct scatterlist *sg, + int nents, + enum dma_data_direction direction) +{ + BUG(); + return 0; +} + +static void ps3_sb_unmap_sg(struct device *_dev, struct scatterlist *sg, int nents, enum dma_data_direction direction) { #if defined(CONFIG_PS3_DYNAMIC_DMA) @@ -307,18 +666,34 @@ static void ps3_unmap_sg(struct device *_dev, struct scatterlist *sg, #endif } +static void ps3_ioc0_unmap_sg(struct device *_dev, struct scatterlist *sg, + int nents, enum dma_data_direction direction) +{ + BUG(); +} + static int ps3_dma_supported(struct device *_dev, u64 mask) { return mask >= DMA_32BIT_MASK; } -static struct dma_mapping_ops ps3_dma_ops = { +static struct dma_mapping_ops ps3_sb_dma_ops = { .alloc_coherent = ps3_alloc_coherent, .free_coherent = ps3_free_coherent, - .map_single = ps3_map_single, + .map_single = ps3_sb_map_single, .unmap_single = ps3_unmap_single, - .map_sg = ps3_map_sg, - .unmap_sg = ps3_unmap_sg, + .map_sg = ps3_sb_map_sg, + .unmap_sg = ps3_sb_unmap_sg, + .dma_supported = ps3_dma_supported +}; + +static struct dma_mapping_ops ps3_ioc0_dma_ops = { + .alloc_coherent = ps3_alloc_coherent, + .free_coherent = ps3_free_coherent, + .map_single = ps3_ioc0_map_single, + .unmap_single = ps3_unmap_single, + .map_sg = ps3_ioc0_map_sg, + .unmap_sg = ps3_ioc0_unmap_sg, .dma_supported = ps3_dma_supported }; @@ -328,7 +703,7 @@ static struct dma_mapping_ops ps3_dma_ops = { static void ps3_system_bus_release_device(struct device *_dev) { - struct ps3_system_bus_device *dev = to_ps3_system_bus_device(_dev); + struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev); kfree(dev); } @@ -343,19 +718,38 @@ static void ps3_system_bus_release_device(struct device *_dev) int ps3_system_bus_device_register(struct ps3_system_bus_device *dev) { int result; - static unsigned int dev_count = 1; + static unsigned int dev_ioc0_count; + static unsigned int dev_sb_count; + static unsigned int dev_vuart_count; - dev->core.parent = NULL; + if (!dev->core.parent) + dev->core.parent = &ps3_system_bus; dev->core.bus = &ps3_system_bus_type; dev->core.release = ps3_system_bus_release_device; + switch (dev->dev_type) { + case PS3_DEVICE_TYPE_IOC0: + dev->core.archdata.dma_ops = &ps3_ioc0_dma_ops; + snprintf(dev->core.bus_id, sizeof(dev->core.bus_id), + "ioc0_%02x", ++dev_ioc0_count); + break; + case PS3_DEVICE_TYPE_SB: + dev->core.archdata.dma_ops = &ps3_sb_dma_ops; + snprintf(dev->core.bus_id, sizeof(dev->core.bus_id), + "sb_%02x", ++dev_sb_count); + + break; + case PS3_DEVICE_TYPE_VUART: + snprintf(dev->core.bus_id, sizeof(dev->core.bus_id), + "vuart_%02x", ++dev_vuart_count); + break; + default: + BUG(); + }; + dev->core.archdata.of_node = NULL; - dev->core.archdata.dma_ops = &ps3_dma_ops; dev->core.archdata.numa_node = 0; - snprintf(dev->core.bus_id, sizeof(dev->core.bus_id), "sb_%02x", - dev_count++); - pr_debug("%s:%d add %s\n", __func__, __LINE__, dev->core.bus_id); result = device_register(&dev->core); @@ -368,9 +762,15 @@ int ps3_system_bus_driver_register(struct ps3_system_bus_driver *drv) { int result; + pr_debug(" -> %s:%d: %s\n", __func__, __LINE__, drv->core.name); + + if (!firmware_has_feature(FW_FEATURE_PS3_LV1)) + return -ENODEV; + drv->core.bus = &ps3_system_bus_type; result = driver_register(&drv->core); + pr_debug(" <- %s:%d: %s\n", __func__, __LINE__, drv->core.name); return result; } @@ -378,7 +778,9 @@ EXPORT_SYMBOL_GPL(ps3_system_bus_driver_register); void ps3_system_bus_driver_unregister(struct ps3_system_bus_driver *drv) { + pr_debug(" -> %s:%d: %s\n", __func__, __LINE__, drv->core.name); driver_unregister(&drv->core); + pr_debug(" <- %s:%d: %s\n", __func__, __LINE__, drv->core.name); } EXPORT_SYMBOL_GPL(ps3_system_bus_driver_unregister); diff --git a/arch/powerpc/platforms/ps3/time.c b/arch/powerpc/platforms/ps3/time.c index 1bae8b1..802a9cc 100644 --- a/arch/powerpc/platforms/ps3/time.c +++ b/arch/powerpc/platforms/ps3/time.c @@ -39,7 +39,7 @@ static void _dump_tm(const struct rtc_time *tm, const char* func, int line) } #define dump_time(_a) _dump_time(_a, __func__, __LINE__) -static void __attribute__ ((unused)) _dump_time(int time, const char* func, +static void __maybe_unused _dump_time(int time, const char *func, int line) { struct rtc_time tm; diff --git a/arch/powerpc/platforms/pseries/Makefile b/arch/powerpc/platforms/pseries/Makefile index ae1fc92..992ba67 100644 --- a/arch/powerpc/platforms/pseries/Makefile +++ b/arch/powerpc/platforms/pseries/Makefile @@ -8,7 +8,7 @@ obj-y := lpar.o hvCall.o nvram.o reconfig.o \ obj-$(CONFIG_SMP) += smp.o obj-$(CONFIG_XICS) += xics.o obj-$(CONFIG_SCANLOG) += scanlog.o -obj-$(CONFIG_EEH) += eeh.o eeh_cache.o eeh_driver.o eeh_event.o +obj-$(CONFIG_EEH) += eeh.o eeh_cache.o eeh_driver.o eeh_event.o eeh_sysfs.o obj-$(CONFIG_KEXEC) += kexec.o obj-$(CONFIG_PCI) += pci.o pci_dlpar.o obj-$(CONFIG_PCI_MSI) += msi.o diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c index 5f3e6d8..b8770395 100644 --- a/arch/powerpc/platforms/pseries/eeh.c +++ b/arch/powerpc/platforms/pseries/eeh.c @@ -1,6 +1,8 @@ /* * eeh.c - * Copyright (C) 2001 Dave Engebretsen & Todd Inglett IBM Corporation + * Copyright IBM Corporation 2001, 2005, 2006 + * Copyright Dave Engebretsen & Todd Inglett 2001 + * Copyright Linas Vepstas 2005, 2006 * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -15,6 +17,8 @@ * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Please address comments and feedback to Linas Vepstas <linas@austin.ibm.com> */ #include <linux/delay.h> @@ -117,7 +121,6 @@ static unsigned long no_cfg_addr; static unsigned long ignored_check; static unsigned long total_mmio_ffs; static unsigned long false_positives; -static unsigned long ignored_failures; static unsigned long slot_resets; #define IS_BRIDGE(class_code) (((class_code)<<16) == PCI_BASE_CLASS_BRIDGE) @@ -505,6 +508,7 @@ int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev) printk(KERN_WARNING "EEH: read_slot_reset_state() failed; rc=%d dn=%s\n", ret, dn->full_name); false_positives++; + pdn->eeh_false_positives ++; rc = 0; goto dn_unlock; } @@ -513,6 +517,7 @@ int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev) * they are empty when they don't have children. */ if ((rets[0] == 5) && (dn->child == NULL)) { false_positives++; + pdn->eeh_false_positives ++; rc = 0; goto dn_unlock; } @@ -522,6 +527,7 @@ int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev) printk(KERN_WARNING "EEH: event on unsupported device, rc=%d dn=%s\n", ret, dn->full_name); false_positives++; + pdn->eeh_false_positives ++; rc = 0; goto dn_unlock; } @@ -529,6 +535,7 @@ int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev) /* If not the kind of error we know about, punt. */ if (rets[0] != 1 && rets[0] != 2 && rets[0] != 4 && rets[0] != 5) { false_positives++; + pdn->eeh_false_positives ++; rc = 0; goto dn_unlock; } @@ -921,6 +928,7 @@ static void *early_enable_eeh(struct device_node *dn, void *data) pdn->eeh_mode = 0; pdn->eeh_check_count = 0; pdn->eeh_freeze_count = 0; + pdn->eeh_false_positives = 0; if (status && strcmp(status, "ok") != 0) return NULL; /* ignore devices with bad status */ @@ -1139,7 +1147,8 @@ static void eeh_add_device_late(struct pci_dev *dev) pdn = PCI_DN(dn); pdn->pcidev = dev; - pci_addr_cache_insert_device (dev); + pci_addr_cache_insert_device(dev); + eeh_sysfs_add_device(dev); } void eeh_add_device_tree_late(struct pci_bus *bus) @@ -1178,6 +1187,7 @@ static void eeh_remove_device(struct pci_dev *dev) printk(KERN_DEBUG "EEH: remove device %s\n", pci_name(dev)); #endif pci_addr_cache_remove_device(dev); + eeh_sysfs_remove_device(dev); dn = pci_device_to_OF_node(dev); if (PCI_DN(dn)->pcidev) { @@ -1214,11 +1224,10 @@ static int proc_eeh_show(struct seq_file *m, void *v) "check not wanted=%ld\n" "eeh_total_mmio_ffs=%ld\n" "eeh_false_positives=%ld\n" - "eeh_ignored_failures=%ld\n" "eeh_slot_resets=%ld\n", no_device, no_dn, no_cfg_addr, ignored_check, total_mmio_ffs, - false_positives, ignored_failures, + false_positives, slot_resets); } diff --git a/arch/powerpc/platforms/pseries/eeh_cache.c b/arch/powerpc/platforms/pseries/eeh_cache.c index f2bae04..e49c815 100644 --- a/arch/powerpc/platforms/pseries/eeh_cache.c +++ b/arch/powerpc/platforms/pseries/eeh_cache.c @@ -2,7 +2,8 @@ * eeh_cache.c * PCI address cache; allows the lookup of PCI devices based on I/O address * - * Copyright (C) 2004 Linas Vepstas <linas@austin.ibm.com> IBM Corporation + * Copyright IBM Corporation 2004 + * Copyright Linas Vepstas <linas@austin.ibm.com> 2004 * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -295,6 +296,8 @@ void __init pci_addr_cache_build(void) continue; pci_dev_get (dev); /* matching put is in eeh_remove_device() */ PCI_DN(dn)->pcidev = dev; + + eeh_sysfs_add_device(dev); } #ifdef DEBUG diff --git a/arch/powerpc/platforms/pseries/eeh_driver.c b/arch/powerpc/platforms/pseries/eeh_driver.c index 161a584..15e015e 100644 --- a/arch/powerpc/platforms/pseries/eeh_driver.c +++ b/arch/powerpc/platforms/pseries/eeh_driver.c @@ -1,6 +1,7 @@ /* * PCI Error Recovery Driver for RPA-compliant PPC64 platform. - * Copyright (C) 2004, 2005 Linas Vepstas <linas@linas.org> + * Copyright IBM Corp. 2004 2005 + * Copyright Linas Vepstas <linas@linas.org> 2004, 2005 * * All rights reserved. * @@ -19,8 +20,7 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * - * Send feedback to <linas@us.ibm.com> - * + * Send comments and feedback to Linas Vepstas <linas@austin.ibm.com> */ #include <linux/delay.h> #include <linux/interrupt.h> diff --git a/arch/powerpc/platforms/pseries/eeh_sysfs.c b/arch/powerpc/platforms/pseries/eeh_sysfs.c new file mode 100644 index 0000000..15e13b5 --- /dev/null +++ b/arch/powerpc/platforms/pseries/eeh_sysfs.c @@ -0,0 +1,87 @@ +/* + * Sysfs entries for PCI Error Recovery for PAPR-compliant platform. + * Copyright IBM Corporation 2007 + * Copyright Linas Vepstas <linas@austin.ibm.com> 2007 + * + * All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at + * your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for more + * details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * Send comments and feedback to Linas Vepstas <linas@austin.ibm.com> + */ +#include <linux/pci.h> +#include <asm/ppc-pci.h> +#include <asm/pci-bridge.h> +#include <linux/kobject.h> + +/** + * EEH_SHOW_ATTR -- create sysfs entry for eeh statistic + * @_name: name of file in sysfs directory + * @_memb: name of member in struct pci_dn to access + * @_format: printf format for display + * + * All of the attributes look very similar, so just + * auto-gen a cut-n-paste routine to display them. + */ +#define EEH_SHOW_ATTR(_name,_memb,_format) \ +static ssize_t eeh_show_##_name(struct device *dev, \ + struct device_attribute *attr, char *buf) \ +{ \ + struct pci_dev *pdev = to_pci_dev(dev); \ + struct device_node *dn = pci_device_to_OF_node(pdev); \ + struct pci_dn *pdn; \ + \ + if (!dn || PCI_DN(dn) == NULL) \ + return 0; \ + \ + pdn = PCI_DN(dn); \ + return sprintf(buf, _format "\n", pdn->_memb); \ +} \ +static DEVICE_ATTR(_name, S_IRUGO, eeh_show_##_name, NULL); + + +EEH_SHOW_ATTR(eeh_mode, eeh_mode, "0x%x"); +EEH_SHOW_ATTR(eeh_config_addr, eeh_config_addr, "0x%x"); +EEH_SHOW_ATTR(eeh_pe_config_addr, eeh_pe_config_addr, "0x%x"); +EEH_SHOW_ATTR(eeh_check_count, eeh_check_count, "%d"); +EEH_SHOW_ATTR(eeh_freeze_count, eeh_freeze_count, "%d"); +EEH_SHOW_ATTR(eeh_false_positives, eeh_false_positives, "%d"); + +void eeh_sysfs_add_device(struct pci_dev *pdev) +{ + int rc=0; + + rc += device_create_file(&pdev->dev, &dev_attr_eeh_mode); + rc += device_create_file(&pdev->dev, &dev_attr_eeh_config_addr); + rc += device_create_file(&pdev->dev, &dev_attr_eeh_pe_config_addr); + rc += device_create_file(&pdev->dev, &dev_attr_eeh_check_count); + rc += device_create_file(&pdev->dev, &dev_attr_eeh_false_positives); + rc += device_create_file(&pdev->dev, &dev_attr_eeh_freeze_count); + + if (rc) + printk(KERN_WARNING "EEH: Unable to create sysfs entries\n"); +} + +void eeh_sysfs_remove_device(struct pci_dev *pdev) +{ + device_remove_file(&pdev->dev, &dev_attr_eeh_mode); + device_remove_file(&pdev->dev, &dev_attr_eeh_config_addr); + device_remove_file(&pdev->dev, &dev_attr_eeh_pe_config_addr); + device_remove_file(&pdev->dev, &dev_attr_eeh_check_count); + device_remove_file(&pdev->dev, &dev_attr_eeh_false_positives); + device_remove_file(&pdev->dev, &dev_attr_eeh_freeze_count); +} + diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c index 362dfbc..8cc6eee 100644 --- a/arch/powerpc/platforms/pseries/lpar.c +++ b/arch/powerpc/platforms/pseries/lpar.c @@ -373,12 +373,23 @@ static void pSeries_lpar_hptab_clear(void) { unsigned long size_bytes = 1UL << ppc64_pft_size; unsigned long hpte_count = size_bytes >> 4; - unsigned long dummy1, dummy2; + unsigned long dummy1, dummy2, dword0; + long lpar_rc; int i; /* TODO: Use bulk call */ - for (i = 0; i < hpte_count; i++) - plpar_pte_remove_raw(0, i, 0, &dummy1, &dummy2); + for (i = 0; i < hpte_count; i++) { + /* dont remove HPTEs with VRMA mappings */ + lpar_rc = plpar_pte_remove_raw(H_ANDCOND, i, HPTE_V_1TB_SEG, + &dummy1, &dummy2); + if (lpar_rc == H_NOT_FOUND) { + lpar_rc = plpar_pte_read_raw(0, i, &dword0, &dummy1); + if (!lpar_rc && ((dword0 & HPTE_V_VRMA_MASK) + != HPTE_V_VRMA_MASK)) + /* Can be hpte for 1TB Seg. So remove it */ + plpar_pte_remove_raw(0, i, 0, &dummy1, &dummy2); + } + } } /* diff --git a/arch/powerpc/platforms/pseries/pci_dlpar.c b/arch/powerpc/platforms/pseries/pci_dlpar.c index ffaf6c5..47f0e08 100644 --- a/arch/powerpc/platforms/pseries/pci_dlpar.c +++ b/arch/powerpc/platforms/pseries/pci_dlpar.c @@ -110,8 +110,6 @@ pcibios_fixup_new_pci_devices(struct pci_bus *bus, int fix_bus) } } } - - eeh_add_device_tree_late(bus); } EXPORT_SYMBOL_GPL(pcibios_fixup_new_pci_devices); @@ -139,6 +137,8 @@ pcibios_pci_config_bridge(struct pci_dev *dev) /* Make the discovered devices available */ pci_bus_add_devices(child_bus); + + eeh_add_device_tree_late(child_bus); return 0; } @@ -171,6 +171,7 @@ pcibios_add_pci_devices(struct pci_bus * bus) if (!list_empty(&bus->devices)) { pcibios_fixup_new_pci_devices(bus, 0); pci_bus_add_devices(bus); + eeh_add_device_tree_late(bus); } } else if (mode == PCI_PROBE_NORMAL) { /* use legacy probe */ @@ -179,6 +180,7 @@ pcibios_add_pci_devices(struct pci_bus * bus) if (num) { pcibios_fixup_new_pci_devices(bus, 1); pci_bus_add_devices(bus); + eeh_add_device_tree_late(bus); } list_for_each_entry(dev, &bus->devices, bus_list) @@ -200,8 +202,6 @@ struct pci_controller * __devinit init_phb_dynamic(struct device_node *dn) rtas_setup_phb(phb); pci_process_bridge_OF_ranges(phb, dn, 0); - pci_setup_phb_io_dynamic(phb, primary); - pci_devs_phb_init_dynamic(phb); if (dn->child) @@ -210,6 +210,7 @@ struct pci_controller * __devinit init_phb_dynamic(struct device_node *dn) scan_phb(phb); pcibios_fixup_new_pci_devices(phb->bus, 0); pci_bus_add_devices(phb->bus); + eeh_add_device_tree_late(phb->bus); return phb; } diff --git a/arch/powerpc/platforms/pseries/plpar_wrappers.h b/arch/powerpc/platforms/pseries/plpar_wrappers.h index 2e4d10c..d003c80 100644 --- a/arch/powerpc/platforms/pseries/plpar_wrappers.h +++ b/arch/powerpc/platforms/pseries/plpar_wrappers.h @@ -108,6 +108,21 @@ static inline long plpar_pte_read(unsigned long flags, unsigned long ptex, return rc; } +/* plpar_pte_read_raw can be called in real mode. It calls plpar_hcall_raw */ +static inline long plpar_pte_read_raw(unsigned long flags, unsigned long ptex, + unsigned long *old_pteh_ret, unsigned long *old_ptel_ret) +{ + long rc; + unsigned long retbuf[PLPAR_HCALL_BUFSIZE]; + + rc = plpar_hcall_raw(H_READ, retbuf, flags, ptex); + + *old_pteh_ret = retbuf[0]; + *old_ptel_ret = retbuf[1]; + + return rc; +} + static inline long plpar_pte_protect(unsigned long flags, unsigned long ptex, unsigned long avpn) { diff --git a/arch/powerpc/platforms/pseries/pseries.h b/arch/powerpc/platforms/pseries/pseries.h index 2729d55..61e19f7 100644 --- a/arch/powerpc/platforms/pseries/pseries.h +++ b/arch/powerpc/platforms/pseries/pseries.h @@ -33,6 +33,8 @@ static inline void setup_kexec_cpu_down_xics(void) { } static inline void setup_kexec_cpu_down_mpic(void) { } #endif +extern void pSeries_final_fixup(void); + /* Poweron flag used for enabling auto ups restart */ extern unsigned long rtas_poweron_auto; diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c index 5aa97af..c02f874 100644 --- a/arch/powerpc/platforms/pseries/reconfig.c +++ b/arch/powerpc/platforms/pseries/reconfig.c @@ -123,7 +123,7 @@ static int pSeries_reconfig_add_node(const char *path, struct property *proplist strcpy(np->full_name, path); np->properties = proplist; - OF_MARK_DYNAMIC(np); + of_node_set_flag(np, OF_DYNAMIC); kref_init(&np->kref); np->parent = derive_parent(path); diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index a031d99..59e69f0 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -399,6 +399,7 @@ static void pseries_dedicated_idle_sleep(void) * a good time to find other work to dispatch. */ get_lppaca()->idle = 1; + get_lppaca()->donate_dedicated_cpu = 1; /* * We come in with interrupts disabled, and need_resched() @@ -431,6 +432,7 @@ static void pseries_dedicated_idle_sleep(void) out: HMT_medium(); + get_lppaca()->donate_dedicated_cpu = 0; get_lppaca()->idle = 0; } diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index f1df942..5bd90a7 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -156,9 +156,9 @@ static inline void lpar_qirr_info(int n_cpu , u8 value) #ifdef CONFIG_SMP -static int get_irq_server(unsigned int virq) +static int get_irq_server(unsigned int virq, unsigned int strict_check) { - unsigned int server; + int server; /* For the moment only implement delivery to all cpus or one cpu */ cpumask_t cpumask = irq_desc[virq].affinity; cpumask_t tmp = CPU_MASK_NONE; @@ -166,22 +166,25 @@ static int get_irq_server(unsigned int virq) if (!distribute_irqs) return default_server; - if (cpus_equal(cpumask, CPU_MASK_ALL)) { - server = default_distrib_server; - } else { + if (!cpus_equal(cpumask, CPU_MASK_ALL)) { cpus_and(tmp, cpu_online_map, cpumask); - if (cpus_empty(tmp)) - server = default_distrib_server; - else - server = get_hard_smp_processor_id(first_cpu(tmp)); + server = first_cpu(tmp); + + if (server < NR_CPUS) + return get_hard_smp_processor_id(server); + + if (strict_check) + return -1; } - return server; + if (cpus_equal(cpu_online_map, cpu_present_map)) + return default_distrib_server; + return default_server; } #else -static int get_irq_server(unsigned int virq) +static int get_irq_server(unsigned int virq, unsigned int strict_check) { return default_server; } @@ -192,7 +195,7 @@ static void xics_unmask_irq(unsigned int virq) { unsigned int irq; int call_status; - unsigned int server; + int server; pr_debug("xics: unmask virq %d\n", virq); @@ -201,7 +204,7 @@ static void xics_unmask_irq(unsigned int virq) if (irq == XICS_IPI || irq == XICS_IRQ_SPURIOUS) return; - server = get_irq_server(virq); + server = get_irq_server(virq, 0); call_status = rtas_call(ibm_set_xive, 3, 1, NULL, irq, server, DEFAULT_PRIORITY); @@ -398,8 +401,7 @@ static void xics_set_affinity(unsigned int virq, cpumask_t cpumask) unsigned int irq; int status; int xics_status[2]; - unsigned long newmask; - cpumask_t tmp = CPU_MASK_NONE; + int irq_server; irq = (unsigned int)irq_map[virq].hwirq; if (irq == XICS_IPI || irq == XICS_IRQ_SPURIOUS) @@ -413,18 +415,21 @@ static void xics_set_affinity(unsigned int virq, cpumask_t cpumask) return; } - /* For the moment only implement delivery to all cpus or one cpu */ - if (cpus_equal(cpumask, CPU_MASK_ALL)) { - newmask = default_distrib_server; - } else { - cpus_and(tmp, cpu_online_map, cpumask); - if (cpus_empty(tmp)) - return; - newmask = get_hard_smp_processor_id(first_cpu(tmp)); + /* + * For the moment only implement delivery to all cpus or one cpu. + * Get current irq_server for the given irq + */ + irq_server = get_irq_server(irq, 1); + if (irq_server == -1) { + char cpulist[128]; + cpumask_scnprintf(cpulist, sizeof(cpulist), cpumask); + printk(KERN_WARNING "xics_set_affinity: No online cpus in " + "the mask %s for irq %d\n", cpulist, virq); + return; } status = rtas_call(ibm_set_xive, 3, 1, NULL, - irq, newmask, xics_status[1]); + irq, irq_server, xics_status[1]); if (status) { printk(KERN_ERR "xics_set_affinity: irq=%u ibm,set-xive " diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile index c3ce0bd..f65078c 100644 --- a/arch/powerpc/sysdev/Makefile +++ b/arch/powerpc/sysdev/Makefile @@ -5,7 +5,6 @@ endif mpic-msi-obj-$(CONFIG_PCI_MSI) += mpic_msi.o mpic_u3msi.o obj-$(CONFIG_MPIC) += mpic.o $(mpic-msi-obj-y) -obj-$(CONFIG_PPC_INDIRECT_PCI) += indirect_pci.o obj-$(CONFIG_PPC_MPC106) += grackle.o obj-$(CONFIG_PPC_DCR) += dcr.o obj-$(CONFIG_PPC_DCR_NATIVE) += dcr-low.o @@ -13,16 +12,19 @@ obj-$(CONFIG_PPC_PMI) += pmi.o obj-$(CONFIG_U3_DART) += dart_iommu.o obj-$(CONFIG_MMIO_NVRAM) += mmio_nvram.o obj-$(CONFIG_FSL_SOC) += fsl_soc.o -obj-$(CONFIG_FSL_PCIE) += fsl_pcie.o obj-$(CONFIG_TSI108_BRIDGE) += tsi108_pci.o tsi108_dev.o obj-$(CONFIG_QUICC_ENGINE) += qe_lib/ mv64x60-$(CONFIG_PCI) += mv64x60_pci.o obj-$(CONFIG_MV64X60) += $(mv64x60-y) mv64x60_pic.o mv64x60_dev.o +obj-$(CONFIG_RTC_DRV_CMOS) += rtc_cmos_setup.o # contains only the suspend handler for time +ifeq ($(CONFIG_RTC_CLASS),) obj-$(CONFIG_PM) += timer.o +endif ifeq ($(CONFIG_PPC_MERGE),y) +obj-$(CONFIG_PPC_INDIRECT_PCI) += indirect_pci.o obj-$(CONFIG_PPC_I8259) += i8259.o obj-$(CONFIG_PPC_83xx) += ipic.o obj-$(CONFIG_4xx) += uic.o diff --git a/arch/powerpc/sysdev/fsl_pcie.c b/arch/powerpc/sysdev/fsl_pcie.c deleted file mode 100644 index 041c07e..0000000 --- a/arch/powerpc/sysdev/fsl_pcie.c +++ /dev/null @@ -1,171 +0,0 @@ -/* - * Support for indirect PCI bridges. - * - * Copyright (C) 1998 Gabriel Paubert. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * - * "Temporary" MPC8548 Errata file - - * The standard indirect_pci code should work with future silicon versions. - */ - -#include <linux/kernel.h> -#include <linux/pci.h> -#include <linux/delay.h> -#include <linux/string.h> -#include <linux/init.h> -#include <linux/bootmem.h> - -#include <asm/io.h> -#include <asm/prom.h> -#include <asm/pci-bridge.h> -#include <asm/machdep.h> - -#define PCI_CFG_OUT out_be32 - -/* ERRATA PCI-Ex 14 PCIE Controller timeout */ -#define PCIE_FIX out_be32(hose->cfg_addr+0x4, 0x0400ffff) - - -static int -indirect_read_config_pcie(struct pci_bus *bus, unsigned int devfn, int offset, - int len, u32 *val) -{ - struct pci_controller *hose = bus->sysdata; - volatile void __iomem *cfg_data; - u32 temp; - - if (ppc_md.pci_exclude_device) - if (ppc_md.pci_exclude_device(bus->number, devfn)) - return PCIBIOS_DEVICE_NOT_FOUND; - - /* Possible artifact of CDCpp50937 needs further investigation */ - if (devfn != 0x0 && bus->number == 0xff) - return PCIBIOS_DEVICE_NOT_FOUND; - - PCIE_FIX; - if (bus->number == 0xff) { - PCI_CFG_OUT(hose->cfg_addr, - (0x80000000 | ((offset & 0xf00) << 16) | - ((bus->number - hose->bus_offset) << 16) - | (devfn << 8) | ((offset & 0xfc) ))); - } else { - PCI_CFG_OUT(hose->cfg_addr, - (0x80000001 | ((offset & 0xf00) << 16) | - ((bus->number - hose->bus_offset) << 16) - | (devfn << 8) | ((offset & 0xfc) ))); - } - - /* - * Note: the caller has already checked that offset is - * suitably aligned and that len is 1, 2 or 4. - */ - /* ERRATA PCI-Ex 12 - Configuration Address/Data Alignment */ - cfg_data = hose->cfg_data; - PCIE_FIX; - temp = in_le32(cfg_data); - switch (len) { - case 1: - *val = (temp >> (((offset & 3))*8)) & 0xff; - break; - case 2: - *val = (temp >> (((offset & 3))*8)) & 0xffff; - break; - default: - *val = temp; - break; - } - return PCIBIOS_SUCCESSFUL; -} - -static int -indirect_write_config_pcie(struct pci_bus *bus, unsigned int devfn, int offset, - int len, u32 val) -{ - struct pci_controller *hose = bus->sysdata; - volatile void __iomem *cfg_data; - u32 temp; - - if (ppc_md.pci_exclude_device) - if (ppc_md.pci_exclude_device(bus->number, devfn)) - return PCIBIOS_DEVICE_NOT_FOUND; - - /* Possible artifact of CDCpp50937 needs further investigation */ - if (devfn != 0x0 && bus->number == 0xff) - return PCIBIOS_DEVICE_NOT_FOUND; - - PCIE_FIX; - if (bus->number == 0xff) { - PCI_CFG_OUT(hose->cfg_addr, - (0x80000000 | ((offset & 0xf00) << 16) | - ((bus->number - hose->bus_offset) << 16) - | (devfn << 8) | ((offset & 0xfc) ))); - } else { - PCI_CFG_OUT(hose->cfg_addr, - (0x80000001 | ((offset & 0xf00) << 16) | - ((bus->number - hose->bus_offset) << 16) - | (devfn << 8) | ((offset & 0xfc) ))); - } - - /* - * Note: the caller has already checked that offset is - * suitably aligned and that len is 1, 2 or 4. - */ - /* ERRATA PCI-Ex 12 - Configuration Address/Data Alignment */ - cfg_data = hose->cfg_data; - switch (len) { - case 1: - PCIE_FIX; - temp = in_le32(cfg_data); - temp = (temp & ~(0xff << ((offset & 3) * 8))) | - (val << ((offset & 3) * 8)); - PCIE_FIX; - out_le32(cfg_data, temp); - break; - case 2: - PCIE_FIX; - temp = in_le32(cfg_data); - temp = (temp & ~(0xffff << ((offset & 3) * 8))); - temp |= (val << ((offset & 3) * 8)) ; - PCIE_FIX; - out_le32(cfg_data, temp); - break; - default: - PCIE_FIX; - out_le32(cfg_data, val); - break; - } - PCIE_FIX; - return PCIBIOS_SUCCESSFUL; -} - -static struct pci_ops indirect_pcie_ops = { - indirect_read_config_pcie, - indirect_write_config_pcie -}; - -void __init -setup_indirect_pcie_nomap(struct pci_controller* hose, void __iomem * cfg_addr, - void __iomem * cfg_data) -{ - hose->cfg_addr = cfg_addr; - hose->cfg_data = cfg_data; - hose->ops = &indirect_pcie_ops; -} - -void __init -setup_indirect_pcie(struct pci_controller* hose, u32 cfg_addr, u32 cfg_data) -{ - unsigned long base = cfg_addr & PAGE_MASK; - void __iomem *mbase, *addr, *data; - - mbase = ioremap(base, PAGE_SIZE); - addr = mbase + (cfg_addr & ~PAGE_MASK); - if ((cfg_data & PAGE_MASK) != base) - mbase = ioremap(cfg_data & PAGE_MASK, PAGE_SIZE); - data = mbase + (cfg_data & ~PAGE_MASK); - setup_indirect_pcie_nomap(hose, addr, data); -} diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c index cad1757..c0ddc80 100644 --- a/arch/powerpc/sysdev/fsl_soc.c +++ b/arch/powerpc/sysdev/fsl_soc.c @@ -1028,6 +1028,19 @@ err: arch_initcall(fs_enet_of_init); +static int __init fsl_pcmcia_of_init(void) +{ + struct device_node *np = NULL; + /* + * Register all the devices which type is "pcmcia" + */ + while ((np = of_find_compatible_node(np, + "pcmcia", "fsl,pq-pcmcia")) != NULL) + of_platform_device_create(np, "m8xx-pcmcia", NULL); + return 0; +} + +arch_initcall(fsl_pcmcia_of_init); static const char *smc_regs = "regs"; static const char *smc_pram = "pram"; diff --git a/arch/powerpc/sysdev/indirect_pci.c b/arch/powerpc/sysdev/indirect_pci.c index e7148846..c7e6e85 100644 --- a/arch/powerpc/sysdev/indirect_pci.c +++ b/arch/powerpc/sysdev/indirect_pci.c @@ -33,18 +33,27 @@ indirect_read_config(struct pci_bus *bus, unsigned int devfn, int offset, struct pci_controller *hose = bus->sysdata; volatile void __iomem *cfg_data; u8 cfg_type = 0; + u32 bus_no, reg; if (ppc_md.pci_exclude_device) - if (ppc_md.pci_exclude_device(bus->number, devfn)) + if (ppc_md.pci_exclude_device(hose, bus->number, devfn)) return PCIBIOS_DEVICE_NOT_FOUND; - if (hose->set_cfg_type) + if (hose->indirect_type & PPC_INDIRECT_TYPE_SET_CFG_TYPE) if (bus->number != hose->first_busno) cfg_type = 1; - PCI_CFG_OUT(hose->cfg_addr, - (0x80000000 | ((bus->number - hose->bus_offset) << 16) - | (devfn << 8) | ((offset & 0xfc) | cfg_type))); + bus_no = (bus->number == hose->first_busno) ? + hose->self_busno : bus->number; + + if (hose->indirect_type & PPC_INDIRECT_TYPE_EXT_REG) + reg = ((offset & 0xf00) << 16) | (offset & 0xfc); + else + reg = offset & 0xfc; + + PCI_CFG_OUT(hose->cfg_addr, + (0x80000000 | (bus_no << 16) + | (devfn << 8) | reg | cfg_type)); /* * Note: the caller has already checked that offset is @@ -72,18 +81,33 @@ indirect_write_config(struct pci_bus *bus, unsigned int devfn, int offset, struct pci_controller *hose = bus->sysdata; volatile void __iomem *cfg_data; u8 cfg_type = 0; + u32 bus_no, reg; if (ppc_md.pci_exclude_device) - if (ppc_md.pci_exclude_device(bus->number, devfn)) + if (ppc_md.pci_exclude_device(hose, bus->number, devfn)) return PCIBIOS_DEVICE_NOT_FOUND; - if (hose->set_cfg_type) + if (hose->indirect_type & PPC_INDIRECT_TYPE_SET_CFG_TYPE) if (bus->number != hose->first_busno) cfg_type = 1; - PCI_CFG_OUT(hose->cfg_addr, - (0x80000000 | ((bus->number - hose->bus_offset) << 16) - | (devfn << 8) | ((offset & 0xfc) | cfg_type))); + bus_no = (bus->number == hose->first_busno) ? + hose->self_busno : bus->number; + + if (hose->indirect_type & PPC_INDIRECT_TYPE_EXT_REG) + reg = ((offset & 0xf00) << 16) | (offset & 0xfc); + else + reg = offset & 0xfc; + + PCI_CFG_OUT(hose->cfg_addr, + (0x80000000 | (bus_no << 16) + | (devfn << 8) | reg | cfg_type)); + + /* surpress setting of PCI_PRIMARY_BUS */ + if (hose->indirect_type & PPC_INDIRECT_TYPE_SURPRESS_PRIMARY_BUS) + if ((offset == PCI_PRIMARY_BUS) && + (bus->number == hose->first_busno)) + val &= 0xffffff00; /* * Note: the caller has already checked that offset is diff --git a/arch/powerpc/sysdev/mpc8xx_pic.h b/arch/powerpc/sysdev/mpc8xx_pic.h index afa2ee6..9fe00ee 100644 --- a/arch/powerpc/sysdev/mpc8xx_pic.h +++ b/arch/powerpc/sysdev/mpc8xx_pic.h @@ -4,9 +4,16 @@ #include <linux/irq.h> #include <linux/interrupt.h> -extern struct hw_interrupt_type mpc8xx_pic; - int mpc8xx_pic_init(void); unsigned int mpc8xx_get_irq(void); +/* + * Some internal interrupt registers use an 8-bit mask for the interrupt + * level instead of a number. + */ +static inline uint mk_int_int_mask(uint mask) +{ + return (1 << (7 - (mask/2))); +} + #endif /* _PPC_KERNEL_PPC8xx_H */ diff --git a/arch/powerpc/sysdev/mv64x60_dev.c b/arch/powerpc/sysdev/mv64x60_dev.c index 4b0a9c8..b618fa6 100644 --- a/arch/powerpc/sysdev/mv64x60_dev.c +++ b/arch/powerpc/sysdev/mv64x60_dev.c @@ -12,6 +12,7 @@ #include <linux/stddef.h> #include <linux/kernel.h> #include <linux/init.h> +#include <linux/console.h> #include <linux/mv643xx.h> #include <linux/platform_device.h> @@ -420,3 +421,30 @@ error: return err; } arch_initcall(mv64x60_device_setup); + +static int __init mv64x60_add_mpsc_console(void) +{ + struct device_node *np = NULL; + const char *prop; + + prop = of_get_property(of_chosen, "linux,stdout-path", NULL); + if (prop == NULL) + goto not_mpsc; + + np = of_find_node_by_path(prop); + if (!np) + goto not_mpsc; + + if (!of_device_is_compatible(np, "marvell,mpsc")) + goto not_mpsc; + + prop = of_get_property(np, "block-index", NULL); + if (!prop) + goto not_mpsc; + + add_preferred_console("ttyMM", *(int *)prop, NULL); + +not_mpsc: + return 0; +} +console_initcall(mv64x60_add_mpsc_console); diff --git a/arch/powerpc/sysdev/mv64x60_pci.c b/arch/powerpc/sysdev/mv64x60_pci.c index b5aef4c..45db86c 100644 --- a/arch/powerpc/sysdev/mv64x60_pci.c +++ b/arch/powerpc/sysdev/mv64x60_pci.c @@ -137,18 +137,15 @@ static int __init mv64x60_add_bridge(struct device_node *dev) printk(KERN_WARNING "Can't get bus-range for %s, assume" " bus 0\n", dev->full_name); - hose = pcibios_alloc_controller(); + hose = pcibios_alloc_controller(dev); if (!hose) return -ENOMEM; - hose->arch_data = dev; - hose->set_cfg_type = 1; - hose->first_busno = bus_range ? bus_range[0] : 0; hose->last_busno = bus_range ? bus_range[1] : 0xff; setup_indirect_pci(hose, rsrc.start, rsrc.start + 4); - hose->bus_offset = hose->first_busno; + hose->self_busno = hose->first_busno; printk(KERN_INFO "Found MV64x60 PCI host bridge at 0x%016llx. " "Firmware bus number: %d->%d\n", diff --git a/arch/powerpc/sysdev/qe_lib/ucc.c b/arch/powerpc/sysdev/qe_lib/ucc.c index ac12a44..f970e54 100644 --- a/arch/powerpc/sysdev/qe_lib/ucc.c +++ b/arch/powerpc/sysdev/qe_lib/ucc.c @@ -18,6 +18,7 @@ #include <linux/errno.h> #include <linux/slab.h> #include <linux/stddef.h> +#include <linux/module.h> #include <asm/irq.h> #include <asm/io.h> @@ -40,6 +41,7 @@ int ucc_set_qe_mux_mii_mng(int ucc_num) return 0; } +EXPORT_SYMBOL(ucc_set_qe_mux_mii_mng); int ucc_set_type(int ucc_num, struct ucc_common *regs, enum ucc_speed_type speed) diff --git a/arch/powerpc/sysdev/qe_lib/ucc_fast.c b/arch/powerpc/sysdev/qe_lib/ucc_fast.c index 9143236..3df202e 100644 --- a/arch/powerpc/sysdev/qe_lib/ucc_fast.c +++ b/arch/powerpc/sysdev/qe_lib/ucc_fast.c @@ -19,6 +19,7 @@ #include <linux/stddef.h> #include <linux/interrupt.h> #include <linux/err.h> +#include <linux/module.h> #include <asm/io.h> #include <asm/immap_qe.h> @@ -70,6 +71,7 @@ void ucc_fast_dump_regs(struct ucc_fast_private * uccf) printk(KERN_INFO "guemr : addr - 0x%08x, val - 0x%02x", (u32) & uccf->uf_regs->guemr, uccf->uf_regs->guemr); } +EXPORT_SYMBOL(ucc_fast_dump_regs); u32 ucc_fast_get_qe_cr_subblock(int uccf_num) { @@ -85,11 +87,13 @@ u32 ucc_fast_get_qe_cr_subblock(int uccf_num) default: return QE_CR_SUBBLOCK_INVALID; } } +EXPORT_SYMBOL(ucc_fast_get_qe_cr_subblock); void ucc_fast_transmit_on_demand(struct ucc_fast_private * uccf) { out_be16(&uccf->uf_regs->utodr, UCC_FAST_TOD); } +EXPORT_SYMBOL(ucc_fast_transmit_on_demand); void ucc_fast_enable(struct ucc_fast_private * uccf, enum comm_dir mode) { @@ -110,6 +114,7 @@ void ucc_fast_enable(struct ucc_fast_private * uccf, enum comm_dir mode) } out_be32(&uf_regs->gumr, gumr); } +EXPORT_SYMBOL(ucc_fast_enable); void ucc_fast_disable(struct ucc_fast_private * uccf, enum comm_dir mode) { @@ -130,6 +135,7 @@ void ucc_fast_disable(struct ucc_fast_private * uccf, enum comm_dir mode) } out_be32(&uf_regs->gumr, gumr); } +EXPORT_SYMBOL(ucc_fast_disable); int ucc_fast_init(struct ucc_fast_info * uf_info, struct ucc_fast_private ** uccf_ret) { @@ -341,6 +347,7 @@ int ucc_fast_init(struct ucc_fast_info * uf_info, struct ucc_fast_private ** ucc *uccf_ret = uccf; return 0; } +EXPORT_SYMBOL(ucc_fast_init); void ucc_fast_free(struct ucc_fast_private * uccf) { @@ -355,3 +362,4 @@ void ucc_fast_free(struct ucc_fast_private * uccf) kfree(uccf); } +EXPORT_SYMBOL(ucc_fast_free); diff --git a/arch/powerpc/sysdev/rtc_cmos_setup.c b/arch/powerpc/sysdev/rtc_cmos_setup.c new file mode 100644 index 0000000..e276048 --- /dev/null +++ b/arch/powerpc/sysdev/rtc_cmos_setup.c @@ -0,0 +1,49 @@ +/* + * Setup code for PC-style Real-Time Clock. + * + * Author: Wade Farnsworth <wfarnsworth@mvista.com> + * + * 2007 (c) MontaVista Software, Inc. This file is licensed under + * the terms of the GNU General Public License version 2. This program + * is licensed "as is" without any warranty of any kind, whether express + * or implied. + */ + +#include <linux/platform_device.h> +#include <linux/err.h> +#include <linux/init.h> +#include <linux/mc146818rtc.h> + +#include <asm/prom.h> + +static int __init add_rtc(void) +{ + struct device_node *np; + struct platform_device *pd; + struct resource res; + int ret; + + np = of_find_compatible_node(NULL, NULL, "pnpPNP,b00"); + if (!np) + return -ENODEV; + + ret = of_address_to_resource(np, 0, &res); + of_node_put(np); + if (ret) + return ret; + + /* + * RTC_PORT(x) is hardcoded in asm/mc146818rtc.h. Verify that the + * address provided by the device node matches. + */ + if (res.start != RTC_PORT(0)) + return -EINVAL; + + pd = platform_device_register_simple("rtc_cmos", -1, + &res, 1); + if (IS_ERR(pd)) + return PTR_ERR(pd); + + return 0; +} +fs_initcall(add_rtc); diff --git a/arch/powerpc/sysdev/timer.c b/arch/powerpc/sysdev/timer.c index 4a01748..e81e7ec 100644 --- a/arch/powerpc/sysdev/timer.c +++ b/arch/powerpc/sysdev/timer.c @@ -24,7 +24,12 @@ static int timer_resume(struct sys_device *dev) /* get current RTC time and convert to seconds */ get_rtc_time(&cur_rtc_tm); - rtc_tm_to_time(&cur_rtc_tm, &cur_rtc_time); + cur_rtc_time = mktime(cur_rtc_tm.tm_year + 1900, + cur_rtc_tm.tm_mon + 1, + cur_rtc_tm.tm_mday, + cur_rtc_tm.tm_hour, + cur_rtc_tm.tm_min, + cur_rtc_tm.tm_sec); diff = cur_rtc_time - suspend_rtc_time; @@ -44,7 +49,12 @@ static int timer_suspend(struct sys_device *dev, pm_message_t state) WARN_ON(!ppc_md.get_rtc_time); get_rtc_time(&suspend_rtc_tm); - rtc_tm_to_time(&suspend_rtc_tm, &suspend_rtc_time); + suspend_rtc_time = mktime(suspend_rtc_tm.tm_year + 1900, + suspend_rtc_tm.tm_mon + 1, + suspend_rtc_tm.tm_mday, + suspend_rtc_tm.tm_hour, + suspend_rtc_tm.tm_min, + suspend_rtc_tm.tm_sec); return 0; } diff --git a/arch/powerpc/sysdev/tsi108_dev.c b/arch/powerpc/sysdev/tsi108_dev.c index 7d3b09b..a113d80 100644 --- a/arch/powerpc/sysdev/tsi108_dev.c +++ b/arch/powerpc/sysdev/tsi108_dev.c @@ -72,12 +72,11 @@ static int __init tsi108_eth_of_init(void) int ret; for (np = NULL, i = 0; - (np = of_find_compatible_node(np, "network", "tsi-ethernet")) != NULL; + (np = of_find_compatible_node(np, "network", "tsi108-ethernet")) != NULL; i++) { struct resource r[2]; - struct device_node *phy; + struct device_node *phy, *mdio; hw_info tsi_eth_data; - const unsigned int *id; const unsigned int *phy_id; const void *mac_addr; const phandle *ph; @@ -111,6 +110,13 @@ static int __init tsi108_eth_of_init(void) if (mac_addr) memcpy(tsi_eth_data.mac_addr, mac_addr, 6); + ph = of_get_property(np, "mdio-handle", NULL); + mdio = of_find_node_by_phandle(*ph); + ret = of_address_to_resource(mdio, 0, &res); + of_node_put(mdio); + if (ret) + goto unreg; + ph = of_get_property(np, "phy-handle", NULL); phy = of_find_node_by_phandle(*ph); @@ -119,20 +125,25 @@ static int __init tsi108_eth_of_init(void) goto unreg; } - id = of_get_property(phy, "reg", NULL); - phy_id = of_get_property(phy, "phy-id", NULL); - ret = of_address_to_resource(phy, 0, &res); - if (ret) { - of_node_put(phy); - goto unreg; - } + phy_id = of_get_property(phy, "reg", NULL); + tsi_eth_data.regs = r[0].start; tsi_eth_data.phyregs = res.start; tsi_eth_data.phy = *phy_id; tsi_eth_data.irq_num = irq_of_parse_and_map(np, 0); - if (of_device_is_compatible(phy, "bcm54xx")) + + /* Some boards with the TSI108 bridge (e.g. Holly) + * have a miswiring of the ethernet PHYs which + * requires a workaround. The special + * "txc-rxc-delay-disable" property enables this + * workaround. FIXME: Need to port the tsi108_eth + * driver itself to phylib and use a non-misleading + * name for the workaround flag - it's not actually to + * do with the model of PHY in use */ + if (of_get_property(phy, "txc-rxc-delay-disable", NULL)) tsi_eth_data.phy_type = TSI108_PHY_BCM54XX; of_node_put(phy); + ret = platform_device_add_data(tsi_eth_dev, &tsi_eth_data, sizeof(hw_info)); diff --git a/arch/powerpc/sysdev/tsi108_pci.c b/arch/powerpc/sysdev/tsi108_pci.c index 2153163..90db8a7 100644 --- a/arch/powerpc/sysdev/tsi108_pci.c +++ b/arch/powerpc/sysdev/tsi108_pci.c @@ -64,9 +64,10 @@ tsi108_direct_write_config(struct pci_bus *bus, unsigned int devfunc, int offset, int len, u32 val) { volatile unsigned char *cfg_addr; + struct pci_controller *hose = bus->sysdata; if (ppc_md.pci_exclude_device) - if (ppc_md.pci_exclude_device(bus->number, devfunc)) + if (ppc_md.pci_exclude_device(hose, bus->number, devfunc)) return PCIBIOS_DEVICE_NOT_FOUND; cfg_addr = (unsigned char *)(tsi_mk_config_addr(bus->number, @@ -149,10 +150,11 @@ tsi108_direct_read_config(struct pci_bus *bus, unsigned int devfn, int offset, int len, u32 * val) { volatile unsigned char *cfg_addr; + struct pci_controller *hose = bus->sysdata; u32 temp; if (ppc_md.pci_exclude_device) - if (ppc_md.pci_exclude_device(bus->number, devfn)) + if (ppc_md.pci_exclude_device(hose, bus->number, devfn)) return PCIBIOS_DEVICE_NOT_FOUND; cfg_addr = (unsigned char *)(tsi_mk_config_addr(bus->number, @@ -219,14 +221,12 @@ int __init tsi108_setup_pci(struct device_node *dev, u32 cfg_phys, int primary) " bus 0\n", dev->full_name); } - hose = pcibios_alloc_controller(); + hose = pcibios_alloc_controller(dev); if (!hose) { printk("PCI Host bridge init failed\n"); return -ENOMEM; } - hose->arch_data = dev; - hose->set_cfg_type = 1; hose->first_busno = bus_range ? bus_range[0] : 0; hose->last_busno = bus_range ? bus_range[1] : 0xff; diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index 28fdf4f..669e656 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -2634,7 +2634,7 @@ static int __init setup_xmon_sysrq(void) __initcall(setup_xmon_sysrq); #endif /* CONFIG_MAGIC_SYSRQ */ -int __initdata xmon_early, xmon_off; +static int __initdata xmon_early, xmon_off; static int __init early_parse_xmon(char *p) { diff --git a/arch/ppc/kernel/misc.S b/arch/ppc/kernel/misc.S index d319f9b..0da55368 100644 --- a/arch/ppc/kernel/misc.S +++ b/arch/ppc/kernel/misc.S @@ -328,7 +328,7 @@ BEGIN_FTR_SECTION mtspr SPRN_L1CSR0,r3 isync blr -END_FTR_SECTION_IFCLR(CPU_FTR_SPLIT_ID_CACHE) +END_FTR_SECTION_IFSET(CPU_FTR_UNIFIED_ID_CACHE) mfspr r3,SPRN_L1CSR1 ori r3,r3,L1CSR1_ICFI|L1CSR1_ICLFR mtspr SPRN_L1CSR1,r3 @@ -355,7 +355,7 @@ END_FTR_SECTION_IFCLR(CPU_FTR_SPLIT_ID_CACHE) _GLOBAL(__flush_icache_range) BEGIN_FTR_SECTION blr /* for 601, do nothing */ -END_FTR_SECTION_IFCLR(CPU_FTR_SPLIT_ID_CACHE) +END_FTR_SECTION_IFSET(CPU_FTR_COHERENT_ICACHE) li r5,L1_CACHE_BYTES-1 andc r3,r3,r5 subf r4,r3,r4 @@ -472,7 +472,7 @@ _GLOBAL(flush_dcache_all) _GLOBAL(__flush_dcache_icache) BEGIN_FTR_SECTION blr /* for 601, do nothing */ -END_FTR_SECTION_IFCLR(CPU_FTR_SPLIT_ID_CACHE) +END_FTR_SECTION_IFSET(CPU_FTR_COHERENT_ICACHE) rlwinm r3,r3,0,0,19 /* Get page base address */ li r4,4096/L1_CACHE_BYTES /* Number of lines in a page */ mtctr r4 @@ -500,7 +500,7 @@ END_FTR_SECTION_IFCLR(CPU_FTR_SPLIT_ID_CACHE) _GLOBAL(__flush_dcache_icache_phys) BEGIN_FTR_SECTION blr /* for 601, do nothing */ -END_FTR_SECTION_IFCLR(CPU_FTR_SPLIT_ID_CACHE) +END_FTR_SECTION_IFSET(CPU_FTR_COHERENT_ICACHE) mfmsr r10 rlwinm r0,r10,0,28,26 /* clear DR */ mtmsr r0 diff --git a/arch/ppc/kernel/ppc_ksyms.c b/arch/ppc/kernel/ppc_ksyms.c index a416520..63f0a98 100644 --- a/arch/ppc/kernel/ppc_ksyms.c +++ b/arch/ppc/kernel/ppc_ksyms.c @@ -64,7 +64,6 @@ extern unsigned long mm_ptov (unsigned long paddr); EXPORT_SYMBOL(clear_pages); EXPORT_SYMBOL(clear_user_page); -EXPORT_SYMBOL(do_signal); EXPORT_SYMBOL(transfer_to_handler); EXPORT_SYMBOL(do_IRQ); EXPORT_SYMBOL(machine_check_exception); diff --git a/arch/ppc/kernel/setup.c b/arch/ppc/kernel/setup.c index c79704f..967c1ef 100644 --- a/arch/ppc/kernel/setup.c +++ b/arch/ppc/kernel/setup.c @@ -526,7 +526,7 @@ void __init setup_arch(char **cmdline_p) * Systems with OF can look in the properties on the cpu node(s) * for a possibly more accurate value. */ - if (cpu_has_feature(CPU_FTR_SPLIT_ID_CACHE)) { + if (! cpu_has_feature(CPU_FTR_UNIFIED_ID_CACHE)) { dcache_bsize = cur_cpu_spec->dcache_bsize; icache_bsize = cur_cpu_spec->icache_bsize; ucache_bsize = 0; diff --git a/arch/ppc/kernel/traps.c b/arch/ppc/kernel/traps.c index aea100b..3f3b292 100644 --- a/arch/ppc/kernel/traps.c +++ b/arch/ppc/kernel/traps.c @@ -92,6 +92,7 @@ int die(const char * str, struct pt_regs * fp, long err) if (nl) printk("\n"); show_regs(fp); + add_taint(TAINT_DIE); spin_unlock_irq(&die_lock); /* do_exit() should take care of panic'ing from an interrupt * context so we don't handle it here @@ -619,7 +620,7 @@ void program_check_exception(struct pt_regs *regs) return; if (!(regs->msr & MSR_PR) && /* not user-mode */ - report_bug(regs->nip) == BUG_TRAP_TYPE_WARN) { + report_bug(regs->nip, regs) == BUG_TRAP_TYPE_WARN) { regs->nip += 4; return; } diff --git a/arch/ppc/mm/tlb.c b/arch/ppc/mm/tlb.c index fa29740..4ff260b 100644 --- a/arch/ppc/mm/tlb.c +++ b/arch/ppc/mm/tlb.c @@ -27,6 +27,7 @@ #include <linux/mm.h> #include <linux/init.h> #include <linux/highmem.h> +#include <linux/pagemap.h> #include <asm/tlbflush.h> #include <asm/tlb.h> diff --git a/arch/ppc/platforms/prep_setup.c b/arch/ppc/platforms/prep_setup.c index 6f21110..3c56654 100644 --- a/arch/ppc/platforms/prep_setup.c +++ b/arch/ppc/platforms/prep_setup.c @@ -69,9 +69,6 @@ TODC_ALLOC(); -unsigned char ucBoardRev; -unsigned char ucBoardRevMaj, ucBoardRevMin; - extern unsigned char prep_nvram_read_val(int addr); extern void prep_nvram_write_val(int addr, unsigned char val); diff --git a/arch/ppc/syslib/Makefile b/arch/ppc/syslib/Makefile index 95694159..543795b 100644 --- a/arch/ppc/syslib/Makefile +++ b/arch/ppc/syslib/Makefile @@ -7,6 +7,7 @@ CFLAGS_btext.o += -fPIC wdt-mpc8xx-$(CONFIG_8xx_WDT) += m8xx_wdt.o +obj-$(CONFIG_PPC_INDIRECT_PCI) += indirect_pci.o obj-$(CONFIG_PPCBUG_NVRAM) += prep_nvram.o obj-$(CONFIG_PPC_OCP) += ocp.o obj-$(CONFIG_IBM_OCP) += ibm_ocp.o diff --git a/arch/ppc/syslib/indirect_pci.c b/arch/ppc/syslib/indirect_pci.c new file mode 100644 index 0000000..83b323a --- /dev/null +++ b/arch/ppc/syslib/indirect_pci.c @@ -0,0 +1,134 @@ +/* + * Support for indirect PCI bridges. + * + * Copyright (C) 1998 Gabriel Paubert. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/pci.h> +#include <linux/delay.h> +#include <linux/string.h> +#include <linux/init.h> + +#include <asm/io.h> +#include <asm/prom.h> +#include <asm/pci-bridge.h> +#include <asm/machdep.h> + +#ifdef CONFIG_PPC_INDIRECT_PCI_BE +#define PCI_CFG_OUT out_be32 +#else +#define PCI_CFG_OUT out_le32 +#endif + +static int +indirect_read_config(struct pci_bus *bus, unsigned int devfn, int offset, + int len, u32 *val) +{ + struct pci_controller *hose = bus->sysdata; + volatile void __iomem *cfg_data; + u8 cfg_type = 0; + + if (ppc_md.pci_exclude_device) + if (ppc_md.pci_exclude_device(bus->number, devfn)) + return PCIBIOS_DEVICE_NOT_FOUND; + + if (hose->set_cfg_type) + if (bus->number != hose->first_busno) + cfg_type = 1; + + PCI_CFG_OUT(hose->cfg_addr, + (0x80000000 | ((bus->number - hose->bus_offset) << 16) + | (devfn << 8) | ((offset & 0xfc) | cfg_type))); + + /* + * Note: the caller has already checked that offset is + * suitably aligned and that len is 1, 2 or 4. + */ + cfg_data = hose->cfg_data + (offset & 3); + switch (len) { + case 1: + *val = in_8(cfg_data); + break; + case 2: + *val = in_le16(cfg_data); + break; + default: + *val = in_le32(cfg_data); + break; + } + return PCIBIOS_SUCCESSFUL; +} + +static int +indirect_write_config(struct pci_bus *bus, unsigned int devfn, int offset, + int len, u32 val) +{ + struct pci_controller *hose = bus->sysdata; + volatile void __iomem *cfg_data; + u8 cfg_type = 0; + + if (ppc_md.pci_exclude_device) + if (ppc_md.pci_exclude_device(bus->number, devfn)) + return PCIBIOS_DEVICE_NOT_FOUND; + + if (hose->set_cfg_type) + if (bus->number != hose->first_busno) + cfg_type = 1; + + PCI_CFG_OUT(hose->cfg_addr, + (0x80000000 | ((bus->number - hose->bus_offset) << 16) + | (devfn << 8) | ((offset & 0xfc) | cfg_type))); + + /* + * Note: the caller has already checked that offset is + * suitably aligned and that len is 1, 2 or 4. + */ + cfg_data = hose->cfg_data + (offset & 3); + switch (len) { + case 1: + out_8(cfg_data, val); + break; + case 2: + out_le16(cfg_data, val); + break; + default: + out_le32(cfg_data, val); + break; + } + return PCIBIOS_SUCCESSFUL; +} + +static struct pci_ops indirect_pci_ops = +{ + indirect_read_config, + indirect_write_config +}; + +void __init +setup_indirect_pci_nomap(struct pci_controller* hose, void __iomem * cfg_addr, + void __iomem * cfg_data) +{ + hose->cfg_addr = cfg_addr; + hose->cfg_data = cfg_data; + hose->ops = &indirect_pci_ops; +} + +void __init +setup_indirect_pci(struct pci_controller* hose, u32 cfg_addr, u32 cfg_data) +{ + unsigned long base = cfg_addr & PAGE_MASK; + void __iomem *mbase, *addr, *data; + + mbase = ioremap(base, PAGE_SIZE); + addr = mbase + (cfg_addr & ~PAGE_MASK); + if ((cfg_data & PAGE_MASK) != base) + mbase = ioremap(cfg_data & PAGE_MASK, PAGE_SIZE); + data = mbase + (cfg_data & ~PAGE_MASK); + setup_indirect_pci_nomap(hose, addr, data); +} diff --git a/arch/ppc/syslib/virtex_devices.c b/arch/ppc/syslib/virtex_devices.c index 1654678..ace4ec0 100644 --- a/arch/ppc/syslib/virtex_devices.c +++ b/arch/ppc/syslib/virtex_devices.c @@ -71,6 +71,21 @@ }, \ } +/* + * ML300/ML403 Video Device: shortcut macro for single instance + */ +#define XPAR_TFT(num) { \ + .name = "xilinxfb", \ + .id = num, \ + .num_resources = 1, \ + .resource = (struct resource[]) { \ + { \ + .start = XPAR_TFT_##num##_BASEADDR, \ + .end = XPAR_TFT_##num##_BASEADDR+7, \ + .flags = IORESOURCE_IO, \ + }, \ + }, \ +} /* UART 8250 driver platform data table */ struct plat_serial8250_port virtex_serial_platform_data[] = { @@ -146,20 +161,17 @@ struct platform_device virtex_platform_devices[] = { XPAR_SYSACE(1), #endif - /* ML300/403 reference design framebuffer */ #if defined(XPAR_TFT_0_BASEADDR) - { - .name = "xilinxfb", - .id = 0, - .num_resources = 1, - .resource = (struct resource[]) { - { - .start = XPAR_TFT_0_BASEADDR, - .end = XPAR_TFT_0_BASEADDR+7, - .flags = IORESOURCE_IO, - }, - }, - }, + XPAR_TFT(0), +#endif +#if defined(XPAR_TFT_1_BASEADDR) + XPAR_TFT(1), +#endif +#if defined(XPAR_TFT_2_BASEADDR) + XPAR_TFT(2), +#endif +#if defined(XPAR_TFT_3_BASEADDR) + XPAR_TFT(3), #endif }; diff --git a/arch/ppc/syslib/virtex_devices.h b/arch/ppc/syslib/virtex_devices.h index 3d4be14..9f38d92 100644 --- a/arch/ppc/syslib/virtex_devices.h +++ b/arch/ppc/syslib/virtex_devices.h @@ -31,4 +31,11 @@ void __init virtex_early_serial_map(void); */ int virtex_device_fixup(struct platform_device *dev); +/* SPI Controller IP */ +struct xspi_platform_data { + s16 bus_num; + u16 num_chipselect; + u32 speed_hz; +}; + #endif /* __ASM_VIRTEX_DEVICES_H__ */ diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c index 2a8f087..f4503ca 100644 --- a/arch/s390/kernel/ptrace.c +++ b/arch/s390/kernel/ptrace.c @@ -294,7 +294,6 @@ poke_user(struct task_struct *child, addr_t addr, addr_t data) static int do_ptrace_normal(struct task_struct *child, long request, long addr, long data) { - unsigned long tmp; ptrace_area parea; int copied, ret; @@ -304,10 +303,7 @@ do_ptrace_normal(struct task_struct *child, long request, long addr, long data) /* Remove high order bit from address (only for 31 bit). */ addr &= PSW_ADDR_INSN; /* read word at location addr. */ - copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0); - if (copied != sizeof(tmp)) - return -EIO; - return put_user(tmp, (unsigned long __force __user *) data); + return generic_ptrace_peekdata(child, addr, data); case PTRACE_PEEKUSR: /* read the word at location addr in the USER area. */ @@ -318,10 +314,7 @@ do_ptrace_normal(struct task_struct *child, long request, long addr, long data) /* Remove high order bit from address (only for 31 bit). */ addr &= PSW_ADDR_INSN; /* write the word at location addr. */ - copied = access_process_vm(child, addr, &data, sizeof(data),1); - if (copied != sizeof(data)) - return -EIO; - return 0; + return generic_ptrace_pokedata(child, addr, data); case PTRACE_POKEUSR: /* write the word at location addr in the USER area */ diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c index ee9186f..8ec9def 100644 --- a/arch/s390/kernel/traps.c +++ b/arch/s390/kernel/traps.c @@ -262,6 +262,7 @@ void die(const char * str, struct pt_regs * regs, long err) print_modules(); show_regs(regs); bust_spinlocks(0); + add_taint(TAINT_DIE); spin_unlock_irq(&die_lock); if (in_interrupt()) panic("Fatal exception in interrupt"); @@ -319,7 +320,7 @@ static void __kprobes inline do_trap(long interruption_code, int signr, else { enum bug_trap_type btt; - btt = report_bug(regs->psw.addr & PSW_ADDR_INSN); + btt = report_bug(regs->psw.addr & PSW_ADDR_INSN, regs); if (btt == BUG_TRAP_TYPE_WARN) return; die(str, regs, interruption_code); diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 038179e..d8ed667 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -55,8 +55,21 @@ config GENERIC_TIME config GENERIC_CLOCKEVENTS def_bool n +config SYS_SUPPORTS_PM + bool + config SYS_SUPPORTS_APM_EMULATION bool + select SYS_SUPPORTS_PM + +config SYS_SUPPORTS_SMP + bool + +config SYS_SUPPORTS_NUMA + bool + +config SYS_SUPPORTS_PCI + bool config ARCH_MAY_HAVE_PC_FDC bool @@ -81,24 +94,146 @@ source "init/Kconfig" menu "System type" -config SOLUTION_ENGINE - bool +source "arch/sh/mm/Kconfig" + +menu "Processor features" choice - prompt "SuperH system type" - default SH_UNKNOWN + prompt "Endianess selection" + default CPU_LITTLE_ENDIAN + help + Some SuperH machines can be configured for either little or big + endian byte order. These modes require different kernels. + +config CPU_LITTLE_ENDIAN + bool "Little Endian" + +config CPU_BIG_ENDIAN + bool "Big Endian" + +endchoice + +config SH_FPU + bool "FPU support" + depends on CPU_SH4 + default y + help + Selecting this option will enable support for SH processors that + have FPU units (ie, SH77xx). + + This option must be set in order to enable the FPU. + +config SH_FPU_EMU + bool "FPU emulation support" + depends on !SH_FPU && EXPERIMENTAL + default n + help + Selecting this option will enable support for software FPU emulation. + Most SH-3 users will want to say Y here, whereas most SH-4 users will + want to say N. + +config SH_DSP + bool "DSP support" + default y if SH4AL_DSP || !CPU_SH4 + default n + help + Selecting this option will enable support for SH processors that + have DSP units (ie, SH2-DSP, SH3-DSP, and SH4AL-DSP). + + This option must be set in order to enable the DSP. + +config SH_ADC + bool "ADC support" + depends on CPU_SH3 + default y + help + Selecting this option will allow the Linux kernel to use SH3 on-chip + ADC module. + + If unsure, say N. + +config SH_STORE_QUEUES + bool "Support for Store Queues" + depends on CPU_SH4 + help + Selecting this option will enable an in-kernel API for manipulating + the store queues integrated in the SH-4 processors. + +config SPECULATIVE_EXECUTION + bool "Speculative subroutine return" + depends on CPU_SUBTYPE_SH7780 && EXPERIMENTAL + help + This enables support for a speculative instruction fetch for + subroutine return. There are various pitfalls associated with + this, as outlined in the SH7780 hardware manual. + + If unsure, say N. + +config CPU_HAS_INTEVT + bool + +config CPU_HAS_PINT_IRQ + bool + +config CPU_HAS_MASKREG_IRQ + bool + +config CPU_HAS_INTC2_IRQ + bool + +config CPU_HAS_IPR_IRQ + bool + +config CPU_HAS_SR_RB + bool "CPU has SR.RB" + depends on CPU_SH3 || CPU_SH4 + default y + help + This will enable the use of SR.RB register bank usage. Processors + that are lacking this bit must have another method in place for + accomplishing what is taken care of by the banked registers. + + See <file:Documentation/sh/register-banks.txt> for further + information on SR.RB and register banking in the kernel in general. + +config CPU_HAS_PTEA + bool + +endmenu + +menu "Board support" + +config SOLUTION_ENGINE + bool config SH_SOLUTION_ENGINE bool "SolutionEngine" select SOLUTION_ENGINE + depends on CPU_SUBTYPE_SH7709 || CPU_SUBTYPE_SH7750 help Select SolutionEngine if configuring for a Hitachi SH7709 or SH7750 evaluation board. +config SH_7206_SOLUTION_ENGINE + bool "SolutionEngine7206" + select SOLUTION_ENGINE + depends on CPU_SUBTYPE_SH7206 + help + Select 7206 SolutionEngine if configuring for a Hitachi SH7206 + evaluation board. + +config SH_7619_SOLUTION_ENGINE + bool "SolutionEngine7619" + select SOLUTION_ENGINE + depends on CPU_SUBTYPE_SH7619 + help + Select 7619 SolutionEngine if configuring for a Hitachi SH7619 + evaluation board. + config SH_7722_SOLUTION_ENGINE bool "SolutionEngine7722" select SOLUTION_ENGINE - select CPU_SUBTYPE_SH7722 + depends on CPU_SUBTYPE_SH7722 help Select 7722 SolutionEngine if configuring for a Hitachi SH772 evaluation board. @@ -106,7 +241,7 @@ config SH_7722_SOLUTION_ENGINE config SH_7751_SOLUTION_ENGINE bool "SolutionEngine7751" select SOLUTION_ENGINE - select CPU_SUBTYPE_SH7751 + depends on CPU_SUBTYPE_SH7751 help Select 7751 SolutionEngine if configuring for a Hitachi SH7751 evaluation board. @@ -114,7 +249,8 @@ config SH_7751_SOLUTION_ENGINE config SH_7780_SOLUTION_ENGINE bool "SolutionEngine7780" select SOLUTION_ENGINE - select CPU_SUBTYPE_SH7780 + select SYS_SUPPORTS_PCI + depends on CPU_SUBTYPE_SH7780 help Select 7780 SolutionEngine if configuring for a Renesas SH7780 evaluation board. @@ -122,7 +258,7 @@ config SH_7780_SOLUTION_ENGINE config SH_7300_SOLUTION_ENGINE bool "SolutionEngine7300" select SOLUTION_ENGINE - select CPU_SUBTYPE_SH7300 + depends on CPU_SUBTYPE_SH7300 help Select 7300 SolutionEngine if configuring for a Hitachi SH7300(SH-Mobile V) evaluation board. @@ -130,22 +266,22 @@ config SH_7300_SOLUTION_ENGINE config SH_7343_SOLUTION_ENGINE bool "SolutionEngine7343" select SOLUTION_ENGINE - select CPU_SUBTYPE_SH7343 + depends on CPU_SUBTYPE_SH7343 help Select 7343 SolutionEngine if configuring for a Hitachi SH7343 (SH-Mobile 3AS) evaluation board. config SH_73180_SOLUTION_ENGINE - bool "SolutionEngine73180" + bool "SolutionEngine73180" select SOLUTION_ENGINE - select CPU_SUBTYPE_SH73180 + depends on CPU_SUBTYPE_SH73180 help Select 73180 SolutionEngine if configuring for a Hitachi SH73180(SH-Mobile 3) evaluation board. config SH_7751_SYSTEMH bool "SystemH7751R" - select CPU_SUBTYPE_SH7751R + depends on CPU_SUBTYPE_SH7751R help Select SystemH if you are configuring for a Renesas SystemH 7751R evaluation board. @@ -153,20 +289,17 @@ config SH_7751_SYSTEMH config SH_HP6XX bool "HP6XX" select SYS_SUPPORTS_APM_EMULATION + select HD6446X_SERIES + depends on CPU_SUBTYPE_SH7709 help Select HP6XX if configuring for a HP jornada HP6xx. More information (hardware only) at <http://www.hp.com/jornada/>. -config SH_SATURN - bool "Saturn" - select CPU_SUBTYPE_SH7604 - help - Select Saturn if configuring for a SEGA Saturn. - config SH_DREAMCAST bool "Dreamcast" - select CPU_SUBTYPE_SH7091 + select SYS_SUPPORTS_PCI + depends on CPU_SUBTYPE_SH7091 help Select Dreamcast if configuring for a SEGA Dreamcast. More information at @@ -175,6 +308,7 @@ config SH_DREAMCAST config SH_MPC1211 bool "Interface MPC1211" + depends on CPU_SUBTYPE_SH7751 && BROKEN help CTP/PCI-SH02 is a CPU module computer that is produced by Interface Corporation. @@ -182,6 +316,8 @@ config SH_MPC1211 config SH_SH03 bool "Interface CTP/PCI-SH03" + depends on CPU_SUBTYPE_SH7751 && BROKEN + select SYS_SUPPORTS_PCI help CTP/PCI-SH03 is a CPU module computer that is produced by Interface Corporation. @@ -189,7 +325,8 @@ config SH_SH03 config SH_SECUREEDGE5410 bool "SecureEdge5410" - select CPU_SUBTYPE_SH7751R + depends on CPU_SUBTYPE_SH7751R + select SYS_SUPPORTS_PCI help Select SecureEdge5410 if configuring for a SnapGear SH board. This includes both the OEM SecureEdge products as well as the @@ -197,246 +334,76 @@ config SH_SECUREEDGE5410 config SH_HS7751RVOIP bool "HS7751RVOIP" - select CPU_SUBTYPE_SH7751R + depends on CPU_SUBTYPE_SH7751R help Select HS7751RVOIP if configuring for a Renesas Technology Sales VoIP board. config SH_7710VOIPGW bool "SH7710-VOIP-GW" - select CPU_SUBTYPE_SH7710 + depends on CPU_SUBTYPE_SH7710 help Select this option to build a kernel for the SH7710 based VOIP GW. config SH_RTS7751R2D bool "RTS7751R2D" - select CPU_SUBTYPE_SH7751R + depends on CPU_SUBTYPE_SH7751R + select SYS_SUPPORTS_PCI help Select RTS7751R2D if configuring for a Renesas Technology Sales SH-Graphics board. config SH_HIGHLANDER bool "Highlander" + depends on CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785 + select SYS_SUPPORTS_PCI config SH_EDOSK7705 bool "EDOSK7705" - select CPU_SUBTYPE_SH7705 + depends on CPU_SUBTYPE_SH7705 config SH_SH4202_MICRODEV bool "SH4-202 MicroDev" - select CPU_SUBTYPE_SH4_202 + depends on CPU_SUBTYPE_SH4_202 help Select SH4-202 MicroDev if configuring for a SuperH MicroDev board with an SH4-202 CPU. config SH_LANDISK bool "LANDISK" - select CPU_SUBTYPE_SH7751R + depends on CPU_SUBTYPE_SH7751R + select SYS_SUPPORTS_PCI help I-O DATA DEVICE, INC. "LANDISK Series" support. config SH_TITAN bool "TITAN" - select CPU_SUBTYPE_SH7751R + depends on CPU_SUBTYPE_SH7751R + select SYS_SUPPORTS_PCI help Select Titan if you are configuring for a Nimble Microsystems NetEngine NP51R. config SH_SHMIN bool "SHMIN" - select CPU_SUBTYPE_SH7706 + depends on CPU_SUBTYPE_SH7706 help Select SHMIN if configuring for the SHMIN board. -config SH_7206_SOLUTION_ENGINE - bool "SolutionEngine7206" - select CPU_SUBTYPE_SH7206 - help - Select 7206 SolutionEngine if configuring for a Hitachi SH7206 - evaluation board. - -config SH_7619_SOLUTION_ENGINE - bool "SolutionEngine7619" - select CPU_SUBTYPE_SH7619 - help - Select 7619 SolutionEngine if configuring for a Hitachi SH7619 - evaluation board. - config SH_LBOX_RE2 bool "L-BOX RE2" - select CPU_SUBTYPE_SH7751R + depends on CPU_SUBTYPE_SH7751R + select SYS_SUPPORTS_PCI help Select L-BOX RE2 if configuring for the NTT COMWARE L-BOX RE2. -config SH_UNKNOWN - bool "BareCPU" - help - "Bare CPU" aka "unknown" means an SH-based system which is not one - of the specific ones mentioned above, which means you need to enter - all sorts of stuff like CONFIG_MEMORY_START because the config - system doesn't already know what it is. You get a machine vector - without any platform-specific code in it, so things like the RTC may - not work. - - This option is for the early stages of porting to a new machine. - -endchoice +endmenu source "arch/sh/boards/renesas/hs7751rvoip/Kconfig" source "arch/sh/boards/renesas/rts7751r2d/Kconfig" source "arch/sh/boards/renesas/r7780rp/Kconfig" -source "arch/sh/mm/Kconfig" - -config CF_ENABLER - bool "Compact Flash Enabler support" - depends on SH_SOLUTION_ENGINE || SH_UNKNOWN || SH_SH03 - ---help--- - Compact Flash is a small, removable mass storage device introduced - in 1994 originally as a PCMCIA device. If you say `Y' here, you - compile in support for Compact Flash devices directly connected to - a SuperH processor. A Compact Flash FAQ is available at - <http://www.compactflash.org/faqs/faq.htm>. - - If your board has "Directly Connected" CompactFlash at area 5 or 6, - you may want to enable this option. Then, you can use CF as - primary IDE drive (only tested for SanDisk). - - If in doubt, select 'N'. - -choice - prompt "Compact Flash Connection Area" - depends on CF_ENABLER - default CF_AREA6 - -config CF_AREA5 - bool "Area5" - help - If your board has "Directly Connected" CompactFlash, You should - select the area where your CF is connected to. - - - "Area5" if CompactFlash is connected to Area 5 (0x14000000) - - "Area6" if it is connected to Area 6 (0x18000000) - - "Area6" will work for most boards. - -config CF_AREA6 - bool "Area6" - -endchoice - -config CF_BASE_ADDR - hex - depends on CF_ENABLER - default "0xb8000000" if CF_AREA6 - default "0xb4000000" if CF_AREA5 - -menu "Processor features" - -choice - prompt "Endianess selection" - default CPU_LITTLE_ENDIAN - help - Some SuperH machines can be configured for either little or big - endian byte order. These modes require different kernels. - -config CPU_LITTLE_ENDIAN - bool "Little Endian" - -config CPU_BIG_ENDIAN - bool "Big Endian" - -endchoice - -config SH_FPU - bool "FPU support" - depends on !CPU_SH3 - default y - help - Selecting this option will enable support for SH processors that - have FPU units (ie, SH77xx). - - This option must be set in order to enable the FPU. - -config SH_FPU_EMU - bool "FPU emulation support" - depends on !SH_FPU && EXPERIMENTAL - default n - help - Selecting this option will enable support for software FPU emulation. - Most SH-3 users will want to say Y here, whereas most SH-4 users will - want to say N. - -config SH_DSP - bool "DSP support" - default y if SH4AL_DSP || !CPU_SH4 - default n - help - Selecting this option will enable support for SH processors that - have DSP units (ie, SH2-DSP, SH3-DSP, and SH4AL-DSP). - - This option must be set in order to enable the DSP. - -config SH_ADC - bool "ADC support" - depends on CPU_SH3 - default y - help - Selecting this option will allow the Linux kernel to use SH3 on-chip - ADC module. - - If unsure, say N. - -config SH_STORE_QUEUES - bool "Support for Store Queues" - depends on CPU_SH4 - help - Selecting this option will enable an in-kernel API for manipulating - the store queues integrated in the SH-4 processors. - -config SPECULATIVE_EXECUTION - bool "Speculative subroutine return" - depends on CPU_SUBTYPE_SH7780 && EXPERIMENTAL - help - This enables support for a speculative instruction fetch for - subroutine return. There are various pitfalls associated with - this, as outlined in the SH7780 hardware manual. - - If unsure, say N. - -config CPU_HAS_INTEVT - bool - -config CPU_HAS_PINT_IRQ - bool - -config CPU_HAS_MASKREG_IRQ - bool - -config CPU_HAS_INTC2_IRQ - bool - -config CPU_HAS_IPR_IRQ - bool - -config CPU_HAS_SR_RB - bool "CPU has SR.RB" - depends on CPU_SH3 || CPU_SH4 - default y - help - This will enable the use of SR.RB register bank usage. Processors - that are lacking this bit must have another method in place for - accomplishing what is taken care of by the banked registers. - - See <file:Documentation/sh/register-banks.txt> for further - information on SR.RB and register banking in the kernel in general. - -config CPU_HAS_PTEA - bool - -endmenu - menu "Timer and clock configuration" config SH_TMU @@ -473,13 +440,13 @@ config SH_PCLK_FREQ int "Peripheral clock frequency (in Hz)" default "27000000" if CPU_SUBTYPE_SH73180 || CPU_SUBTYPE_SH7343 default "31250000" if CPU_SUBTYPE_SH7619 + default "32000000" if CPU_SUBTYPE_SH7722 default "33333333" if CPU_SUBTYPE_SH7300 || CPU_SUBTYPE_SH7770 || \ CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \ CPU_SUBTYPE_SH7206 - default "50000000" if CPU_SUBTYPE_SH7750 || CPU_SUBTYPE_SH7780 || \ - CPU_SUBTYPE_SH7785 - default "60000000" if CPU_SUBTYPE_SH7751 + default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R default "66000000" if CPU_SUBTYPE_SH4_202 + default "50000000" help This option is used to specify the peripheral clock frequency. This is necessary for determining the reference clock value on @@ -487,8 +454,10 @@ config SH_PCLK_FREQ config SH_CLK_MD int "CPU Mode Pin Setting" - default 0 depends on CPU_SUBTYPE_SH7619 || CPU_SUBTYPE_SH7206 + default 6 if CPU_SUBTYPE_SH7206 + default 5 if CPU_SUBTYPE_SH7619 + default 0 help MD2 - MD0 pin setting. @@ -560,6 +529,7 @@ config CRASH_DUMP config SMP bool "Symmetric multi-processing support" + depends on SYS_SUPPORTS_SMP ---help--- This enables support for systems with more than one CPU. If you have a system with only one CPU, like most personal computers, say N. If @@ -584,6 +554,7 @@ config NR_CPUS int "Maximum number of CPUs (2-32)" range 2 32 depends on SMP + default "4" if CPU_SHX3 default "2" help This allows you to specify the maximum number of CPUs which this @@ -623,6 +594,7 @@ config BOOT_LINK_OFFSET config UBC_WAKEUP bool "Wakeup UBC on startup" + depends on CPU_SH4 help Selecting this option will wakeup the User Break Controller (UBC) on startup. Although the UBC is left in an awake state when the processor @@ -651,8 +623,8 @@ menu "Bus options" # we're not using PCMCIA, so we make it dependent on # PCMCIA outright. -- PFM. config ISA - bool - default y if PCMCIA + def_bool y + depends on PCMCIA && HD6446X_SERIES help Find out whether you have ISA slots on your motherboard. ISA is the name of a bus system, i.e. the way the CPU talks to the other stuff @@ -690,6 +662,49 @@ config SUPERHYWAY tristate "SuperHyway Bus support" depends on CPU_SUBTYPE_SH4_202 +config CF_ENABLER + bool "Compact Flash Enabler support" + depends on SOLUTION_ENGINE || SH_SH03 + ---help--- + Compact Flash is a small, removable mass storage device introduced + in 1994 originally as a PCMCIA device. If you say `Y' here, you + compile in support for Compact Flash devices directly connected to + a SuperH processor. A Compact Flash FAQ is available at + <http://www.compactflash.org/faqs/faq.htm>. + + If your board has "Directly Connected" CompactFlash at area 5 or 6, + you may want to enable this option. Then, you can use CF as + primary IDE drive (only tested for SanDisk). + + If in doubt, select 'N'. + +choice + prompt "Compact Flash Connection Area" + depends on CF_ENABLER + default CF_AREA6 + +config CF_AREA5 + bool "Area5" + help + If your board has "Directly Connected" CompactFlash, You should + select the area where your CF is connected to. + + - "Area5" if CompactFlash is connected to Area 5 (0x14000000) + - "Area6" if it is connected to Area 6 (0x18000000) + + "Area6" will work for most boards. + +config CF_AREA6 + bool "Area6" + +endchoice + +config CF_BASE_ADDR + hex + depends on CF_ENABLER + default "0xb8000000" if CF_AREA6 + default "0xb4000000" if CF_AREA5 + source "arch/sh/drivers/pci/Kconfig" source "drivers/pci/Kconfig" @@ -707,7 +722,7 @@ source "fs/Kconfig.binfmt" endmenu menu "Power management options (EXPERIMENTAL)" -depends on EXPERIMENTAL +depends on EXPERIMENTAL && SYS_SUPPORTS_PM source kernel/power/Kconfig diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug index b563072..52f6a99 100644 --- a/arch/sh/Kconfig.debug +++ b/arch/sh/Kconfig.debug @@ -52,6 +52,10 @@ config EARLY_PRINTK select both the EARLY_SCIF_CONSOLE and SH_STANDARD_BIOS, using the kernel command line option to toggle back and forth. +config DEBUG_BOOTMEM + depends on DEBUG_KERNEL + bool "Debug BOOTMEM initialization" + config DEBUG_STACKOVERFLOW bool "Check for stack overflows" depends on DEBUG_KERNEL @@ -82,6 +86,7 @@ config SH_KGDB bool "Include KGDB kernel debugger" select FRAME_POINTER select DEBUG_INFO + depends on CPU_SH3 || CPU_SH4 help Include in-kernel hooks for kgdb, the Linux kernel source level debugger. See <http://kgdb.sourceforge.net/> for more information. diff --git a/arch/sh/Makefile b/arch/sh/Makefile index 883b03b..77fecc6 100644 --- a/arch/sh/Makefile +++ b/arch/sh/Makefile @@ -34,20 +34,20 @@ isa-y := $(isa-y)-nofpu endif endif -cflags-$(CONFIG_CPU_SH2) := -m2 -cflags-$(CONFIG_CPU_SH2A) := -m2a $(call cc-option,-m2a-nofpu,) -cflags-$(CONFIG_CPU_SH3) := -m3 -cflags-$(CONFIG_CPU_SH4) := -m4 \ +cflags-$(CONFIG_CPU_SH2) := $(call cc-option,-m2,) +cflags-$(CONFIG_CPU_SH2A) += $(call cc-option,-m2a,) \ + $(call cc-option,-m2a-nofpu,) +cflags-$(CONFIG_CPU_SH3) := $(call cc-option,-m3,) +cflags-$(CONFIG_CPU_SH4) := $(call cc-option,-m4,) \ $(call cc-option,-mno-implicit-fp,-m4-nofpu) -cflags-$(CONFIG_CPU_SH4A) := $(call cc-option,-m4a,) $(call cc-option,-m4a-nofpu,) +cflags-$(CONFIG_CPU_SH4A) += $(call cc-option,-m4a,) \ + $(call cc-option,-m4a-nofpu,) cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml cflags-y += $(call as-option,-Wa$(comma)-isa=$(isa-y),) -ffreestanding -cflags-$(CONFIG_SH_DSP) += -Wa,-dsp - cflags-$(CONFIG_MORE_COMPILE_OPTIONS) += \ $(shell echo $(CONFIG_COMPILE_OPTIONS) | sed -e 's/"//g') @@ -87,39 +87,37 @@ core-y += arch/sh/kernel/ arch/sh/mm/ core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/ # Boards -machdir-$(CONFIG_SH_SOLUTION_ENGINE) := se/770x -machdir-$(CONFIG_SH_7722_SOLUTION_ENGINE) := se/7722 -machdir-$(CONFIG_SH_7751_SOLUTION_ENGINE) := se/7751 -machdir-$(CONFIG_SH_7780_SOLUTION_ENGINE) := se/7780 -machdir-$(CONFIG_SH_7300_SOLUTION_ENGINE) := se/7300 -machdir-$(CONFIG_SH_7343_SOLUTION_ENGINE) := se/7343 -machdir-$(CONFIG_SH_73180_SOLUTION_ENGINE) := se/73180 -machdir-$(CONFIG_SH_HP6XX) := hp6xx -machdir-$(CONFIG_SH_SATURN) := saturn -machdir-$(CONFIG_SH_DREAMCAST) := dreamcast -machdir-$(CONFIG_SH_MPC1211) := mpc1211 -machdir-$(CONFIG_SH_SH03) := sh03 -machdir-$(CONFIG_SH_SECUREEDGE5410) := snapgear -machdir-$(CONFIG_SH_HS7751RVOIP) := renesas/hs7751rvoip -machdir-$(CONFIG_SH_RTS7751R2D) := renesas/rts7751r2d -machdir-$(CONFIG_SH_7751_SYSTEMH) := renesas/systemh -machdir-$(CONFIG_SH_EDOSK7705) := renesas/edosk7705 -machdir-$(CONFIG_SH_HIGHLANDER) := renesas/r7780rp -machdir-$(CONFIG_SH_7710VOIPGW) := renesas/sh7710voipgw -machdir-$(CONFIG_SH_SH4202_MICRODEV) := superh/microdev -machdir-$(CONFIG_SH_LANDISK) := landisk -machdir-$(CONFIG_SH_TITAN) := titan -machdir-$(CONFIG_SH_SHMIN) := shmin -machdir-$(CONFIG_SH_7206_SOLUTION_ENGINE) := se/7206 -machdir-$(CONFIG_SH_7619_SOLUTION_ENGINE) := se/7619 -machdir-$(CONFIG_SH_LBOX_RE2) := lboxre2 -machdir-$(CONFIG_SH_UNKNOWN) := unknown - -incdir-y := $(notdir $(machdir-y)) -incdir-$(CONFIG_SH_HP6XX) := hp6xx +machdir-$(CONFIG_SH_SOLUTION_ENGINE) += se/770x +machdir-$(CONFIG_SH_7722_SOLUTION_ENGINE) += se/7722 +machdir-$(CONFIG_SH_7751_SOLUTION_ENGINE) += se/7751 +machdir-$(CONFIG_SH_7780_SOLUTION_ENGINE) += se/7780 +machdir-$(CONFIG_SH_7300_SOLUTION_ENGINE) += se/7300 +machdir-$(CONFIG_SH_7343_SOLUTION_ENGINE) += se/7343 +machdir-$(CONFIG_SH_73180_SOLUTION_ENGINE) += se/73180 +machdir-$(CONFIG_SH_HP6XX) += hp6xx +machdir-$(CONFIG_SH_DREAMCAST) += dreamcast +machdir-$(CONFIG_SH_MPC1211) += mpc1211 +machdir-$(CONFIG_SH_SH03) += sh03 +machdir-$(CONFIG_SH_SECUREEDGE5410) += snapgear +machdir-$(CONFIG_SH_HS7751RVOIP) += renesas/hs7751rvoip +machdir-$(CONFIG_SH_RTS7751R2D) += renesas/rts7751r2d +machdir-$(CONFIG_SH_7751_SYSTEMH) += renesas/systemh +machdir-$(CONFIG_SH_EDOSK7705) += renesas/edosk7705 +machdir-$(CONFIG_SH_HIGHLANDER) += renesas/r7780rp +machdir-$(CONFIG_SH_7710VOIPGW) += renesas/sh7710voipgw +machdir-$(CONFIG_SH_SH4202_MICRODEV) += superh/microdev +machdir-$(CONFIG_SH_LANDISK) += landisk +machdir-$(CONFIG_SH_TITAN) += titan +machdir-$(CONFIG_SH_SHMIN) += shmin +machdir-$(CONFIG_SH_7206_SOLUTION_ENGINE) += se/7206 +machdir-$(CONFIG_SH_7619_SOLUTION_ENGINE) += se/7619 +machdir-$(CONFIG_SH_LBOX_RE2) += lboxre2 + +incdir-y := $(notdir $(machdir-y)) ifneq ($(machdir-y),) -core-y += arch/sh/boards/$(machdir-y)/ +core-y += $(addprefix arch/sh/boards/, \ + $(filter-out ., $(patsubst %,%/,$(machdir-y)))) endif # Companion chips @@ -157,19 +155,31 @@ include/asm-sh/.cpu: $(wildcard include/config/cpu/*.h) \ # Most boards have their own mach directories. For the ones that # don't, just reference the parent directory so the semantics are # kept roughly the same. +# +# When multiple boards are compiled in at the same time, preference +# for the mach link is given to whichever has a directory for its +# headers. However, this is only a workaround until platforms that +# can live in the same kernel image back away from relying on the +# mach link. include/asm-sh/.mach: $(wildcard include/config/sh/*.h) \ include/config/auto.conf FORCE - @echo -n ' SYMLINK include/asm-sh/mach -> ' $(Q)if [ ! -d include/asm-sh ]; then mkdir -p include/asm-sh; fi - $(Q)if [ -d $(incdir-prefix)$(incdir-y) ]; then \ - echo -e 'include/asm-sh/$(incdir-y)'; \ - ln -fsn $(incdir-prefix)$(incdir-y) \ + $(Q)rm -f include/asm-sh/mach + $(Q)for i in $(incdir-y); do \ + if [ -d $(incdir-prefix)$$i ]; then \ + echo -n ' SYMLINK include/asm-sh/mach -> '; \ + echo -e "include/asm-sh/$$i"; \ + ln -fsn $(incdir-prefix)$$i \ include/asm-sh/mach; \ else \ - echo -e 'include/asm-sh'; \ - ln -fsn $(incdir-prefix) include/asm-sh/mach; \ - fi + if [ ! -d include/asm-sh/mach ]; then \ + echo -n ' SYMLINK include/asm-sh/mach -> '; \ + echo -e 'include/asm-sh'; \ + ln -fsn $(incdir-prefix) include/asm-sh/mach; \ + fi; \ + fi; \ + done @touch $@ archprepare: include/asm-sh/.cpu include/asm-sh/.mach maketools @@ -188,7 +198,9 @@ compressed: zImage archclean: $(Q)$(MAKE) $(clean)=$(boot) -CLEAN_FILES += include/asm-sh/machtypes.h +CLEAN_FILES += include/asm-sh/machtypes.h \ + include/asm-sh/cpu include/asm-sh/.cpu \ + include/asm-sh/mach include/asm-sh/.mach define archhelp @echo '* zImage - Compressed kernel image' diff --git a/arch/sh/boards/dreamcast/setup.c b/arch/sh/boards/dreamcast/setup.c index f13017e..8799df6 100644 --- a/arch/sh/boards/dreamcast/setup.c +++ b/arch/sh/boards/dreamcast/setup.c @@ -60,7 +60,7 @@ static void __init dreamcast_setup(char **cmdline_p) #endif } -struct sh_machine_vector mv_dreamcast __initmv = { +static struct sh_machine_vector mv_dreamcast __initmv = { .mv_name = "Sega Dreamcast", .mv_setup = dreamcast_setup, .mv_irq_demux = systemasic_irq_demux, @@ -70,4 +70,3 @@ struct sh_machine_vector mv_dreamcast __initmv = { .mv_consistent_free = dreamcast_consistent_free, #endif }; -ALIAS_MV(dreamcast) diff --git a/arch/sh/boards/hp6xx/mach.c b/arch/sh/boards/hp6xx/mach.c deleted file mode 100644 index 08dbba9..0000000 --- a/arch/sh/boards/hp6xx/mach.c +++ /dev/null @@ -1,46 +0,0 @@ -/* - * linux/arch/sh/boards/hp6xx/mach.c - * - * Copyright (C) 2000 Stuart Menefy (stuart.menefy@st.com) - * - * May be copied or modified under the terms of the GNU General Public - * License. See linux/COPYING for more information. - * - * Machine vector for the HP680 - */ -#include <asm/machvec.h> -#include <asm/hd64461.h> -#include <asm/io.h> -#include <asm/irq.h> - -struct sh_machine_vector mv_hp6xx __initmv = { - .mv_nr_irqs = HD64461_IRQBASE + HD64461_IRQ_NUM, - - .mv_inb = hd64461_inb, - .mv_inw = hd64461_inw, - .mv_inl = hd64461_inl, - .mv_outb = hd64461_outb, - .mv_outw = hd64461_outw, - .mv_outl = hd64461_outl, - - .mv_inb_p = hd64461_inb_p, - .mv_inw_p = hd64461_inw, - .mv_inl_p = hd64461_inl, - .mv_outb_p = hd64461_outb_p, - .mv_outw_p = hd64461_outw, - .mv_outl_p = hd64461_outl, - - .mv_insb = hd64461_insb, - .mv_insw = hd64461_insw, - .mv_insl = hd64461_insl, - .mv_outsb = hd64461_outsb, - .mv_outsw = hd64461_outsw, - .mv_outsl = hd64461_outsl, - - .mv_readw = hd64461_readw, - .mv_writew = hd64461_writew, - - .mv_irq_demux = hd64461_irq_demux, -}; - -ALIAS_MV(hp6xx) diff --git a/arch/sh/boards/hp6xx/setup.c b/arch/sh/boards/hp6xx/setup.c index 6aeee85..7ae7089 100644 --- a/arch/sh/boards/hp6xx/setup.c +++ b/arch/sh/boards/hp6xx/setup.c @@ -98,10 +98,9 @@ static void __init hp6xx_setup(char **cmdline_p) } device_initcall(hp6xx_devices_setup); -struct sh_machine_vector mv_hp6xx __initmv = { +static struct sh_machine_vector mv_hp6xx __initmv = { .mv_name = "hp6xx", .mv_setup = hp6xx_setup, .mv_nr_irqs = HD64461_IRQBASE + HD64461_IRQ_NUM, .mv_irq_demux = hd64461_irq_demux, }; -ALIAS_MV(hp6xx) diff --git a/arch/sh/boards/landisk/setup.c b/arch/sh/boards/landisk/setup.c index f953c74..eda7176 100644 --- a/arch/sh/boards/landisk/setup.c +++ b/arch/sh/boards/landisk/setup.c @@ -97,10 +97,9 @@ static void __init landisk_setup(char **cmdline_p) /* * The Machine Vector */ -struct sh_machine_vector mv_landisk __initmv = { +static struct sh_machine_vector mv_landisk __initmv = { .mv_name = "LANDISK", .mv_nr_irqs = 72, .mv_setup = landisk_setup, .mv_init_irq = init_landisk_IRQ, }; -ALIAS_MV(landisk) diff --git a/arch/sh/boards/lboxre2/setup.c b/arch/sh/boards/lboxre2/setup.c index 4e20f7c..9c830fd 100644 --- a/arch/sh/boards/lboxre2/setup.c +++ b/arch/sh/boards/lboxre2/setup.c @@ -77,9 +77,8 @@ device_initcall(lboxre2_devices_setup); /* * The Machine Vector */ -struct sh_machine_vector mv_lboxre2 __initmv = { +static struct sh_machine_vector mv_lboxre2 __initmv = { .mv_name = "L-BOX RE2", .mv_nr_irqs = 72, .mv_init_irq = init_lboxre2_IRQ, }; -ALIAS_MV(lboxre2) diff --git a/arch/sh/boards/mpc1211/setup.c b/arch/sh/boards/mpc1211/setup.c index 1a0604b..8ce03e0 100644 --- a/arch/sh/boards/mpc1211/setup.c +++ b/arch/sh/boards/mpc1211/setup.c @@ -338,11 +338,10 @@ static void __init mpc1211_setup(char **cmdline_p) /* * The Machine Vector */ -struct sh_machine_vector mv_mpc1211 __initmv = { +static struct sh_machine_vector mv_mpc1211 __initmv = { .mv_name = "Interface MPC-1211(CTP/PCI/MPC-SH02)", .mv_setup = mpc1211_setup, .mv_nr_irqs = 48, .mv_irq_demux = mpc1211_irq_demux, .mv_init_irq = init_mpc1211_IRQ, }; -ALIAS_MV(mpc1211) diff --git a/arch/sh/boards/renesas/edosk7705/setup.c b/arch/sh/boards/renesas/edosk7705/setup.c index ec5be01..f076c45 100644 --- a/arch/sh/boards/renesas/edosk7705/setup.c +++ b/arch/sh/boards/renesas/edosk7705/setup.c @@ -21,7 +21,7 @@ static void __init sh_edosk7705_init_irq(void) /* * The Machine Vector */ -struct sh_machine_vector mv_edosk7705 __initmv = { +static struct sh_machine_vector mv_edosk7705 __initmv = { .mv_name = "EDOSK7705", .mv_nr_irqs = 80, @@ -41,4 +41,3 @@ struct sh_machine_vector mv_edosk7705 __initmv = { .mv_isa_port2addr = sh_edosk7705_isa_port2addr, .mv_init_irq = sh_edosk7705_init_irq, }; -ALIAS_MV(edosk7705) diff --git a/arch/sh/boards/renesas/hs7751rvoip/setup.c b/arch/sh/boards/renesas/hs7751rvoip/setup.c index f7d0e30..fa5fa39 100644 --- a/arch/sh/boards/renesas/hs7751rvoip/setup.c +++ b/arch/sh/boards/renesas/hs7751rvoip/setup.c @@ -89,7 +89,7 @@ static void __init hs7751rvoip_setup(char **cmdline_p) printk(KERN_INFO "Renesas Technology Sales HS7751RVoIP-2 support.\n"); } -struct sh_machine_vector mv_hs7751rvoip __initmv = { +static struct sh_machine_vector mv_hs7751rvoip __initmv = { .mv_name = "HS7751RVoIP", .mv_setup = hs7751rvoip_setup, .mv_nr_irqs = 72, @@ -118,4 +118,3 @@ struct sh_machine_vector mv_hs7751rvoip __initmv = { .mv_init_irq = hs7751rvoip_init_irq, .mv_ioport_map = hs7751rvoip_ioport_map, }; -ALIAS_MV(hs7751rvoip) diff --git a/arch/sh/boards/renesas/r7780rp/Kconfig b/arch/sh/boards/renesas/r7780rp/Kconfig index 9fb1164..fc8f28e 100644 --- a/arch/sh/boards/renesas/r7780rp/Kconfig +++ b/arch/sh/boards/renesas/r7780rp/Kconfig @@ -6,18 +6,18 @@ choice config SH_R7780RP bool "R7780RP-1 board support" - select CPU_SUBTYPE_SH7780 + depends on CPU_SUBTYPE_SH7780 config SH_R7780MP bool "R7780MP board support" - select CPU_SUBTYPE_SH7780 + depends on CPU_SUBTYPE_SH7780 help Selecting this option will enable support for the mass-production version of the R7780RP. If in doubt, say Y. config SH_R7785RP bool "R7785RP board support" - select CPU_SUBTYPE_SH7785 + depends on CPU_SUBTYPE_SH7785 endchoice diff --git a/arch/sh/boards/renesas/r7780rp/setup.c b/arch/sh/boards/renesas/r7780rp/setup.c index 0727ef9..5afb864 100644 --- a/arch/sh/boards/renesas/r7780rp/setup.c +++ b/arch/sh/boards/renesas/r7780rp/setup.c @@ -166,10 +166,9 @@ static void __init highlander_setup(char **cmdline_p) /* * The Machine Vector */ -struct sh_machine_vector mv_highlander __initmv = { +static struct sh_machine_vector mv_highlander __initmv = { .mv_name = "Highlander", .mv_nr_irqs = 109, .mv_setup = highlander_setup, .mv_init_irq = highlander_init_irq, }; -ALIAS_MV(highlander) diff --git a/arch/sh/boards/renesas/rts7751r2d/setup.c b/arch/sh/boards/renesas/rts7751r2d/setup.c index 593f26a..656fda3 100644 --- a/arch/sh/boards/renesas/rts7751r2d/setup.c +++ b/arch/sh/boards/renesas/rts7751r2d/setup.c @@ -176,7 +176,7 @@ static void __init rts7751r2d_setup(char **cmdline_p) /* * The Machine Vector */ -struct sh_machine_vector mv_rts7751r2d __initmv = { +static struct sh_machine_vector mv_rts7751r2d __initmv = { .mv_name = "RTS7751R2D", .mv_setup = rts7751r2d_setup, .mv_nr_irqs = 72, @@ -189,4 +189,3 @@ struct sh_machine_vector mv_rts7751r2d __initmv = { .mv_consistent_free = voyagergx_consistent_free, #endif }; -ALIAS_MV(rts7751r2d) diff --git a/arch/sh/boards/renesas/sh7710voipgw/setup.c b/arch/sh/boards/renesas/sh7710voipgw/setup.c index 180810b..2dce8bd 100644 --- a/arch/sh/boards/renesas/sh7710voipgw/setup.c +++ b/arch/sh/boards/renesas/sh7710voipgw/setup.c @@ -88,9 +88,8 @@ static void __init sh7710voipgw_init_irq(void) /* * The Machine Vector */ -struct sh_machine_vector mv_sh7710voipgw __initmv = { +static struct sh_machine_vector mv_sh7710voipgw __initmv = { .mv_name = "SH7710 VoIP Gateway", .mv_nr_irqs = 104, .mv_init_irq = sh7710voipgw_init_irq, }; -ALIAS_MV(sh7710voipgw) diff --git a/arch/sh/boards/renesas/systemh/setup.c b/arch/sh/boards/renesas/systemh/setup.c index 9361176..ee78af8 100644 --- a/arch/sh/boards/renesas/systemh/setup.c +++ b/arch/sh/boards/renesas/systemh/setup.c @@ -28,7 +28,7 @@ static void __init sh7751systemh_init_irq(void) make_systemh_irq(0xb); /* Ethernet interrupt */ } -struct sh_machine_vector mv_7751systemh __initmv = { +static struct sh_machine_vector mv_7751systemh __initmv = { .mv_name = "7751 SystemH", .mv_nr_irqs = 72, @@ -55,4 +55,3 @@ struct sh_machine_vector mv_7751systemh __initmv = { .mv_init_irq = sh7751systemh_init_irq, }; -ALIAS_MV(7751systemh) diff --git a/arch/sh/boards/saturn/Makefile b/arch/sh/boards/saturn/Makefile deleted file mode 100644 index 75a3042..0000000 --- a/arch/sh/boards/saturn/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -# -# Makefile for the Sega Saturn specific parts of the kernel -# - -obj-y := setup.o io.o irq.o - -obj-$(CONFIG_SMP) += smp.o - diff --git a/arch/sh/boards/saturn/io.c b/arch/sh/boards/saturn/io.c deleted file mode 100644 index c6e4f7f..0000000 --- a/arch/sh/boards/saturn/io.c +++ /dev/null @@ -1,26 +0,0 @@ -/* - * arch/sh/boards/saturn/io.c - * - * I/O routines for the Sega Saturn. - * - * Copyright (C) 2002 Paul Mundt - * - * Released under the terms of the GNU GPL v2.0. - */ -#include <asm/saturn/io.h> -#include <asm/machvec.h> - -unsigned long saturn_isa_port2addr(unsigned long offset) -{ - return offset; -} - -void *saturn_ioremap(unsigned long offset, unsigned long size) -{ - return (void *)offset; -} - -void saturn_iounmap(void *addr) -{ -} - diff --git a/arch/sh/boards/saturn/irq.c b/arch/sh/boards/saturn/irq.c deleted file mode 100644 index 15d1d3f..0000000 --- a/arch/sh/boards/saturn/irq.c +++ /dev/null @@ -1,118 +0,0 @@ -/* - * arch/sh/boards/saturn/irq.c - * - * Copyright (C) 2002 Paul Mundt - * - * Released under the terms of the GNU GPL v2.0. - */ -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <asm/irq.h> -#include <asm/io.h> - -/* - * Interrupts map out as follows: - * - * Vector Name Mask - * - * 64 VBLANKIN 0x0001 - * 65 VBLANKOUT 0x0002 - * 66 HBLANKIN 0x0004 - * 67 TIMER0 0x0008 - * 68 TIMER1 0x0010 - * 69 DSPEND 0x0020 - * 70 SOUNDREQUEST 0x0040 - * 71 SYSTEMMANAGER 0x0080 - * 72 PAD 0x0100 - * 73 LEVEL2DMAEND 0x0200 - * 74 LEVEL1DMAEND 0x0400 - * 75 LEVEL0DMAEND 0x0800 - * 76 DMAILLEGAL 0x1000 - * 77 SRITEDRAWEND 0x2000 - * 78 ABUS 0x8000 - * - */ -#define SATURN_IRQ_MIN 64 /* VBLANKIN */ -#define SATURN_IRQ_MAX 78 /* ABUS */ - -#define SATURN_IRQ_MASK 0xbfff - -static inline u32 saturn_irq_mask(unsigned int irq_nr) -{ - u32 mask; - - mask = (1 << (irq_nr - SATURN_IRQ_MIN)); - mask <<= (irq_nr == SATURN_IRQ_MAX); - mask &= SATURN_IRQ_MASK; - - return mask; -} - -static inline void mask_saturn_irq(unsigned int irq_nr) -{ - u32 mask; - - mask = ctrl_inl(SATURN_IMR); - mask |= saturn_irq_mask(irq_nr); - ctrl_outl(mask, SATURN_IMR); -} - -static inline void unmask_saturn_irq(unsigned int irq_nr) -{ - u32 mask; - - mask = ctrl_inl(SATURN_IMR); - mask &= ~saturn_irq_mask(irq_nr); - ctrl_outl(mask, SATURN_IMR); -} - -static void disable_saturn_irq(unsigned int irq_nr) -{ - mask_saturn_irq(irq_nr); -} - -static void enable_saturn_irq(unsigned int irq_nr) -{ - unmask_saturn_irq(irq_nr); -} - -static void mask_and_ack_saturn_irq(unsigned int irq_nr) -{ - mask_saturn_irq(irq_nr); -} - -static void end_saturn_irq(unsigned int irq_nr) -{ - if (!(irq_desc[irq_nr].status & (IRQ_DISABLED | IRQ_INPROGRESS))) - unmask_saturn_irq(irq_nr); -} - -static unsigned int startup_saturn_irq(unsigned int irq_nr) -{ - unmask_saturn_irq(irq_nr); - - return 0; -} - -static void shutdown_saturn_irq(unsigned int irq_nr) -{ - mask_saturn_irq(irq_nr); -} - -static struct hw_interrupt_type saturn_int = { - .typename = "Saturn", - .enable = enable_saturn_irq, - .disable = disable_saturn_irq, - .ack = mask_and_ack_saturn_irq, - .end = end_saturn_irq, - .startup = startup_saturn_irq, - .shutdown = shutdown_saturn_irq, -}; - -int saturn_irq_demux(int irq_nr) -{ - /* FIXME */ - return irq_nr; -} - diff --git a/arch/sh/boards/saturn/setup.c b/arch/sh/boards/saturn/setup.c deleted file mode 100644 index a3a37c9..0000000 --- a/arch/sh/boards/saturn/setup.c +++ /dev/null @@ -1,31 +0,0 @@ -/* - * arch/sh/boards/saturn/setup.c - * - * Hardware support for the Sega Saturn. - * - * Copyright (c) 2002 Paul Mundt - * - * Released under the terms of the GNU GPL v2.0. - */ -#include <linux/kernel.h> -#include <linux/init.h> -#include <asm/io.h> -#include <asm/machvec.h> -#include <asm/mach/io.h> - -extern int saturn_irq_demux(int irq_nr); - -/* - * The Machine Vector - */ -struct sh_machine_vector mv_saturn __initmv = { - .mv_name = "Sega Saturn", - .mv_nr_irqs = 80, /* Fix this later */ - - .mv_isa_port2addr = saturn_isa_port2addr, - .mv_irq_demux = saturn_irq_demux, - - .mv_ioremap = saturn_ioremap, - .mv_iounmap = saturn_iounmap, -}; -ALIAS_MV(saturn) diff --git a/arch/sh/boards/saturn/smp.c b/arch/sh/boards/saturn/smp.c deleted file mode 100644 index 7646091..0000000 --- a/arch/sh/boards/saturn/smp.c +++ /dev/null @@ -1,68 +0,0 @@ -/* - * arch/sh/boards/saturn/smp.c - * - * SMP support for the Sega Saturn. - * - * Copyright (c) 2002 Paul Mundt - * - * Released under the terms of the GNU GPL v2.0. - */ -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/smp.h> - -#include <asm/saturn/smpc.h> - -extern void start_secondary(void); - -void __smp_send_ipi(unsigned int cpu, unsigned int action) -{ - /* Nothing here yet .. */ -} - -unsigned int __smp_probe_cpus(void) -{ - /* - * This is just a straightforward master/slave configuration, - * and probing isn't really supported.. - */ - return 2; -} - -/* - * We're only allowed to do byte-access to SMPC registers. In - * addition to which, we treat them as write-only, since - * reading from them will return undefined data. - */ -static inline void smpc_slave_stop(unsigned int cpu) -{ - smpc_barrier(); - ctrl_outb(1, SMPC_STATUS); - - ctrl_outb(SMPC_CMD_SSHOFF, SMPC_COMMAND); - smpc_barrier(); -} - -static inline void smpc_slave_start(unsigned int cpu) -{ - ctrl_outb(1, SMPC_STATUS); - ctrl_outb(SMPC_CMD_SSHON, SMPC_COMMAND); - - smpc_barrier(); -} - -void __smp_slave_init(unsigned int cpu) -{ - register unsigned long vbr; - void **entry; - - __asm__ __volatile__ ("stc vbr, %0\n\t" : "=r" (vbr)); - entry = (void **)(vbr + 0x310 + 0x94); - - smpc_slave_stop(cpu); - - *(void **)entry = (void *)start_secondary; - - smpc_slave_start(cpu); -} - diff --git a/arch/sh/boards/se/7206/setup.c b/arch/sh/boards/se/7206/setup.c index ca71487..a074b62 100644 --- a/arch/sh/boards/se/7206/setup.c +++ b/arch/sh/boards/se/7206/setup.c @@ -70,7 +70,7 @@ __initcall(se7206_devices_setup); * The Machine Vector */ -struct sh_machine_vector mv_se __initmv = { +static struct sh_machine_vector mv_se __initmv = { .mv_name = "SolutionEngine", .mv_nr_irqs = 256, .mv_inb = se7206_inb, @@ -96,4 +96,3 @@ struct sh_machine_vector mv_se __initmv = { .mv_init_irq = init_se7206_IRQ, }; -ALIAS_MV(se) diff --git a/arch/sh/boards/se/7300/setup.c b/arch/sh/boards/se/7300/setup.c index f196095..eb469f5 100644 --- a/arch/sh/boards/se/7300/setup.c +++ b/arch/sh/boards/se/7300/setup.c @@ -46,7 +46,7 @@ __initcall(se7300_devices_setup); /* * The Machine Vector */ -struct sh_machine_vector mv_7300se __initmv = { +static struct sh_machine_vector mv_7300se __initmv = { .mv_name = "SolutionEngine 7300", .mv_nr_irqs = 109, .mv_inb = sh7300se_inb, @@ -72,4 +72,3 @@ struct sh_machine_vector mv_7300se __initmv = { .mv_init_irq = init_7300se_IRQ, }; -ALIAS_MV(7300se) diff --git a/arch/sh/boards/se/73180/setup.c b/arch/sh/boards/se/73180/setup.c index e143017..1deee85 100644 --- a/arch/sh/boards/se/73180/setup.c +++ b/arch/sh/boards/se/73180/setup.c @@ -46,7 +46,7 @@ __initcall(se73180_devices_setup); /* * The Machine Vector */ -struct sh_machine_vector mv_73180se __initmv = { +static struct sh_machine_vector mv_73180se __initmv = { .mv_name = "SolutionEngine 73180", .mv_nr_irqs = 108, .mv_inb = sh73180se_inb, @@ -73,4 +73,3 @@ struct sh_machine_vector mv_73180se __initmv = { .mv_init_irq = init_73180se_IRQ, .mv_irq_demux = shmse_irq_demux, }; -ALIAS_MV(73180se) diff --git a/arch/sh/boards/se/7343/setup.c b/arch/sh/boards/se/7343/setup.c index 3fdb16f..8fec155 100644 --- a/arch/sh/boards/se/7343/setup.c +++ b/arch/sh/boards/se/7343/setup.c @@ -64,7 +64,7 @@ static void __init sh7343se_setup(char **cmdline_p) /* * The Machine Vector */ -struct sh_machine_vector mv_7343se __initmv = { +static struct sh_machine_vector mv_7343se __initmv = { .mv_name = "SolutionEngine 7343", .mv_setup = sh7343se_setup, .mv_nr_irqs = 108, @@ -92,4 +92,3 @@ struct sh_machine_vector mv_7343se __initmv = { .mv_init_irq = init_7343se_IRQ, .mv_irq_demux = shmse_irq_demux, }; -ALIAS_MV(7343se) diff --git a/arch/sh/boards/se/7619/setup.c b/arch/sh/boards/se/7619/setup.c index 52d2c4d..1d0ef7f 100644 --- a/arch/sh/boards/se/7619/setup.c +++ b/arch/sh/boards/se/7619/setup.c @@ -15,8 +15,7 @@ * The Machine Vector */ -struct sh_machine_vector mv_se __initmv = { +static struct sh_machine_vector mv_se __initmv = { .mv_name = "SolutionEngine", .mv_nr_irqs = 108, }; -ALIAS_MV(se) diff --git a/arch/sh/boards/se/770x/irq.c b/arch/sh/boards/se/770x/irq.c index c8eccff..cdb0807 100644 --- a/arch/sh/boards/se/770x/irq.c +++ b/arch/sh/boards/se/770x/irq.c @@ -15,46 +15,7 @@ #include <asm/io.h> #include <asm/se.h> -/* - * If the problem of make_ipr_irq is solved, - * this code will become unnecessary. :-) - */ -static void se770x_disable_ipr_irq(unsigned int irq) -{ - struct ipr_data *p = get_irq_chip_data(irq); - - ctrl_outw(ctrl_inw(p->addr) & (0xffff ^ (0xf << p->shift)), p->addr); -} - -static void se770x_enable_ipr_irq(unsigned int irq) -{ - struct ipr_data *p = get_irq_chip_data(irq); - - ctrl_outw(ctrl_inw(p->addr) | (p->priority << p->shift), p->addr); -} - -static struct irq_chip se770x_irq_chip = { - .name = "MS770xSE-FPGA", - .mask = se770x_disable_ipr_irq, - .unmask = se770x_enable_ipr_irq, - .mask_ack = se770x_disable_ipr_irq, -}; - -void make_se770x_irq(struct ipr_data *table, unsigned int nr_irqs) -{ - int i; - - for (i = 0; i < nr_irqs; i++) { - unsigned int irq = table[i].irq; - disable_irq_nosync(irq); - set_irq_chip_and_handler_name(irq, &se770x_irq_chip, - handle_level_irq, "level"); - set_irq_chip_data(irq, &table[i]); - se770x_enable_ipr_irq(irq); - } -} - -static struct ipr_data se770x_ipr_map[] = { +static struct ipr_data ipr_irq_table[] = { /* * Super I/O (Just mimic PC): * 1: keyboard @@ -68,46 +29,67 @@ static struct ipr_data se770x_ipr_map[] = { */ #if defined(CONFIG_CPU_SUBTYPE_SH7705) /* This is default value */ - { 13, 0, 8, 0x0f-13 ,BCR_ILCRA}, - { 5 , 0, 4, 0x0f- 5 ,BCR_ILCRA}, - { 10, 0, 0, 0x0f-10, BCR_ILCRB}, - { 7 , 0, 4, 0x0f- 7, BCR_ILCRC}, - { 3 , 0, 0, 0x0f- 3, BCR_ILCRC}, - { 1 , 0, 12, 0x0f- 1, BCR_ILCRD}, - { 12, 0, 4, 0x0f-12, BCR_ILCRD}, /* LAN */ - { 2 , 0, 8, 0x0f- 2, BCR_ILCRE}, /* PCIRQ2 */ - { 6 , 0, 4, 0x0f- 6, BCR_ILCRE}, /* PCIRQ1 */ - { 14, 0, 0, 0x0f-14, BCR_ILCRE}, /* PCIRQ0 */ - { 0 , 0, 12, 0x0f , BCR_ILCRF}, - { 4 , 0, 4, 0x0f- 4, BCR_ILCRF}, - { 8 , 0, 12, 0x0f- 8, BCR_ILCRG}, - { 9 , 0, 8, 0x0f- 9, BCR_ILCRG}, - { 11, 0, 4, 0x0f-11, BCR_ILCRG}, + { 13, 0, 8, 0x0f-13, }, + { 5 , 0, 4, 0x0f- 5, }, + { 10, 1, 0, 0x0f-10, }, + { 7 , 2, 4, 0x0f- 7, }, + { 3 , 2, 0, 0x0f- 3, }, + { 1 , 3, 12, 0x0f- 1, }, + { 12, 3, 4, 0x0f-12, }, /* LAN */ + { 2 , 4, 8, 0x0f- 2, }, /* PCIRQ2 */ + { 6 , 4, 4, 0x0f- 6, }, /* PCIRQ1 */ + { 14, 4, 0, 0x0f-14, }, /* PCIRQ0 */ + { 0 , 5, 12, 0x0f , }, + { 4 , 5, 4, 0x0f- 4, }, + { 8 , 6, 12, 0x0f- 8, }, + { 9 , 6, 8, 0x0f- 9, }, + { 11, 6, 4, 0x0f-11, }, #else - { 14, 0, 8, 0x0f-14 ,BCR_ILCRA}, - { 12, 0, 4, 0x0f-12 ,BCR_ILCRA}, - { 8, 0, 4, 0x0f- 8 ,BCR_ILCRB}, - { 6, 0, 12, 0x0f- 6 ,BCR_ILCRC}, - { 5, 0, 8, 0x0f- 5 ,BCR_ILCRC}, - { 4, 0, 4, 0x0f- 4 ,BCR_ILCRC}, - { 3, 0, 0, 0x0f- 3 ,BCR_ILCRC}, - { 1, 0, 12, 0x0f- 1 ,BCR_ILCRD}, + { 14, 0, 8, 0x0f-14, }, + { 12, 0, 4, 0x0f-12, }, + { 8, 1, 4, 0x0f- 8, }, + { 6, 2, 12, 0x0f- 6, }, + { 5, 2, 8, 0x0f- 5, }, + { 4, 2, 4, 0x0f- 4, }, + { 3, 2, 0, 0x0f- 3, }, + { 1, 3, 12, 0x0f- 1, }, #if defined(CONFIG_STNIC) /* ST NIC */ - { 10, 0, 4, 0x0f-10 ,BCR_ILCRD}, /* LAN */ + { 10, 3, 4, 0x0f-10, }, /* LAN */ #endif /* MRSHPC IRQs setting */ - { 0, 0, 12, 0x0f- 0 ,BCR_ILCRE}, /* PCIRQ3 */ - { 11, 0, 8, 0x0f-11 ,BCR_ILCRE}, /* PCIRQ2 */ - { 9, 0, 4, 0x0f- 9 ,BCR_ILCRE}, /* PCIRQ1 */ - { 7, 0, 0, 0x0f- 7 ,BCR_ILCRE}, /* PCIRQ0 */ + { 0, 4, 12, 0x0f- 0, }, /* PCIRQ3 */ + { 11, 4, 8, 0x0f-11, }, /* PCIRQ2 */ + { 9, 4, 4, 0x0f- 9, }, /* PCIRQ1 */ + { 7, 4, 0, 0x0f- 7, }, /* PCIRQ0 */ /* #2, #13 are allocated for SLOT IRQ #1 and #2 (for now) */ /* NOTE: #2 and #13 are not used on PC */ - { 13, 0, 4, 0x0f-13 ,BCR_ILCRG}, /* SLOTIRQ2 */ - { 2, 0, 0, 0x0f- 2 ,BCR_ILCRG}, /* SLOTIRQ1 */ + { 13, 6, 4, 0x0f-13, }, /* SLOTIRQ2 */ + { 2, 6, 0, 0x0f- 2, }, /* SLOTIRQ1 */ #endif }; +static unsigned long ipr_offsets[] = { + BCR_ILCRA, + BCR_ILCRB, + BCR_ILCRC, + BCR_ILCRD, + BCR_ILCRE, + BCR_ILCRF, + BCR_ILCRG, +}; + +static struct ipr_desc ipr_irq_desc = { + .ipr_offsets = ipr_offsets, + .nr_offsets = ARRAY_SIZE(ipr_offsets), + + .ipr_data = ipr_irq_table, + .nr_irqs = ARRAY_SIZE(ipr_irq_table), + .chip = { + .name = "IPR-se770x", + }, +}; + /* * Initialize IRQ setting */ @@ -122,5 +104,5 @@ void __init init_se_IRQ(void) ctrl_outw(0, BCR_ILCRF); ctrl_outw(0, BCR_ILCRG); - make_se770x_irq(se770x_ipr_map, ARRAY_SIZE(se770x_ipr_map)); + register_ipr_controller(&ipr_irq_desc); } diff --git a/arch/sh/boards/se/770x/setup.c b/arch/sh/boards/se/770x/setup.c index 17a2631..2962da1 100644 --- a/arch/sh/boards/se/770x/setup.c +++ b/arch/sh/boards/se/770x/setup.c @@ -122,7 +122,7 @@ device_initcall(se_devices_setup); /* * The Machine Vector */ -struct sh_machine_vector mv_se __initmv = { +static struct sh_machine_vector mv_se __initmv = { .mv_name = "SolutionEngine", .mv_setup = smsc_setup, #if defined(CONFIG_CPU_SH4) @@ -160,4 +160,3 @@ struct sh_machine_vector mv_se __initmv = { .mv_init_irq = init_se_IRQ, }; -ALIAS_MV(se) diff --git a/arch/sh/boards/se/7722/irq.c b/arch/sh/boards/se/7722/irq.c index 099e5de..26cff0e 100644 --- a/arch/sh/boards/se/7722/irq.c +++ b/arch/sh/boards/se/7722/irq.c @@ -19,15 +19,24 @@ #define INTC_INTMSK0 0xFFD00044 #define INTC_INTMSKCLR0 0xFFD00064 +struct se7722_data { + unsigned char irq; + unsigned char ipr_idx; + unsigned char shift; + unsigned short priority; + unsigned long addr; +}; + + static void disable_se7722_irq(unsigned int irq) { - struct ipr_data *p = get_irq_chip_data(irq); + struct se7722_data *p = get_irq_chip_data(irq); ctrl_outw( ctrl_inw( p->addr ) | p->priority , p->addr ); } static void enable_se7722_irq(unsigned int irq) { - struct ipr_data *p = get_irq_chip_data(irq); + struct se7722_data *p = get_irq_chip_data(irq); ctrl_outw( ctrl_inw( p->addr ) & ~p->priority , p->addr ); } @@ -38,7 +47,7 @@ static struct irq_chip se7722_irq_chip __read_mostly = { .mask_ack = disable_se7722_irq, }; -static struct ipr_data ipr_irq_table[] = { +static struct se7722_data ipr_irq_table[] = { /* irq ,idx,sft, priority , addr */ { MRSHPC_IRQ0 , 0 , 0 , MRSHPC_BIT0 , IRQ01_MASK } , { MRSHPC_IRQ1 , 0 , 0 , MRSHPC_BIT1 , IRQ01_MASK } , diff --git a/arch/sh/boards/se/7722/setup.c b/arch/sh/boards/se/7722/setup.c index 636ca6c..6cca6cb 100644 --- a/arch/sh/boards/se/7722/setup.c +++ b/arch/sh/boards/se/7722/setup.c @@ -137,7 +137,7 @@ static void __init se7722_setup(char **cmdline_p) /* * The Machine Vector */ -struct sh_machine_vector mv_se7722 __initmv = { +static struct sh_machine_vector mv_se7722 __initmv = { .mv_name = "Solution Engine 7722" , .mv_setup = se7722_setup , .mv_nr_irqs = 109 , @@ -145,4 +145,3 @@ struct sh_machine_vector mv_se7722 __initmv = { .mv_irq_demux = se7722_irq_demux, }; -ALIAS_MV(se7722) diff --git a/arch/sh/boards/se/7751/irq.c b/arch/sh/boards/se/7751/irq.c index e4c63a4..c3d1259 100644 --- a/arch/sh/boards/se/7751/irq.c +++ b/arch/sh/boards/se/7751/irq.c @@ -14,44 +14,31 @@ #include <asm/irq.h> #include <asm/se7751.h> -static struct ipr_data se7751_ipr_map[] = { - /* Leave old Solution Engine code in for reference. */ -#if defined(CONFIG_SH_SOLUTION_ENGINE) - /* - * Super I/O (Just mimic PC): - * 1: keyboard - * 3: serial 0 - * 4: serial 1 - * 5: printer - * 6: floppy - * 8: rtc - * 12: mouse - * 14: ide0 - */ - { 14, BCR_ILCRA, 2, 0x0f-14 }, - { 12, BCR_ILCRA, 1, 0x0f-12 }, - { 8, BCR_ILCRB, 1, 0x0f- 8 }, - { 6, BCR_ILCRC, 3, 0x0f- 6 }, - { 5, BCR_ILCRC, 2, 0x0f- 5 }, - { 4, BCR_ILCRC, 1, 0x0f- 4 }, - { 3, BCR_ILCRC, 0, 0x0f- 3 }, - { 1, BCR_ILCRD, 3, 0x0f- 1 }, +static struct ipr_data ipr_irq_table[] = { + { 13, 3, 3, 2 }, + /* Add additional entries here as drivers are added and tested. */ +}; - { 10, BCR_ILCRD, 1, 0x0f-10 }, /* LAN */ +static unsigned long ipr_offsets[] = { + BCR_ILCRA, + BCR_ILCRB, + BCR_ILCRC, + BCR_ILCRD, + BCR_ILCRE, + BCR_ILCRF, + BCR_ILCRG, +}; - { 0, BCR_ILCRE, 3, 0x0f- 0 }, /* PCIRQ3 */ - { 11, BCR_ILCRE, 2, 0x0f-11 }, /* PCIRQ2 */ - { 9, BCR_ILCRE, 1, 0x0f- 9 }, /* PCIRQ1 */ - { 7, BCR_ILCRE, 0, 0x0f- 7 }, /* PCIRQ0 */ +static struct ipr_desc ipr_irq_desc = { + .ipr_offsets = ipr_offsets, + .nr_offsets = ARRAY_SIZE(ipr_offsets), - /* #2, #13 are allocated for SLOT IRQ #1 and #2 (for now) */ - /* NOTE: #2 and #13 are not used on PC */ - { 13, BCR_ILCRG, 1, 0x0f-13 }, /* SLOTIRQ2 */ - { 2, BCR_ILCRG, 0, 0x0f- 2 }, /* SLOTIRQ1 */ -#elif defined(CONFIG_SH_7751_SOLUTION_ENGINE) - { 13, BCR_ILCRD, 3, 2 }, - /* Add additional entries here as drivers are added and tested. */ -#endif + .ipr_data = ipr_irq_table, + .nr_irqs = ARRAY_SIZE(ipr_irq_table), + + .chip = { + .name = "IPR-se7751", + }, }; /* @@ -59,5 +46,5 @@ static struct ipr_data se7751_ipr_map[] = { */ void __init init_7751se_IRQ(void) { - make_ipr_irq(se7751_ipr_map, ARRAY_SIZE(se7751_ipr_map)); + register_ipr_controller(&ipr_irq_desc); } diff --git a/arch/sh/boards/se/7751/setup.c b/arch/sh/boards/se/7751/setup.c index 52c7bfa..7873d07 100644 --- a/arch/sh/boards/se/7751/setup.c +++ b/arch/sh/boards/se/7751/setup.c @@ -48,7 +48,7 @@ __initcall(se7751_devices_setup); /* * The Machine Vector */ -struct sh_machine_vector mv_7751se __initmv = { +static struct sh_machine_vector mv_7751se __initmv = { .mv_name = "7751 SolutionEngine", .mv_nr_irqs = 72, @@ -71,4 +71,3 @@ struct sh_machine_vector mv_7751se __initmv = { .mv_init_irq = init_7751se_IRQ, }; -ALIAS_MV(7751se) diff --git a/arch/sh/boards/se/7780/irq.c b/arch/sh/boards/se/7780/irq.c index 3d0625c..8749147 100644 --- a/arch/sh/boards/se/7780/irq.c +++ b/arch/sh/boards/se/7780/irq.c @@ -16,28 +16,6 @@ #include <asm/io.h> #include <asm/se7780.h> -#define INTC_INTMSK0 0xFFD00044 -#define INTC_INTMSKCLR0 0xFFD00064 - -static void disable_se7780_irq(unsigned int irq) -{ - struct intc2_data *p = get_irq_chip_data(irq); - ctrl_outl(1 << p->msk_shift, INTC_INTMSK0 + p->msk_offset); -} - -static void enable_se7780_irq(unsigned int irq) -{ - struct intc2_data *p = get_irq_chip_data(irq); - ctrl_outl(1 << p->msk_shift, INTC_INTMSKCLR0 + p->msk_offset); -} - -static struct irq_chip se7780_irq_chip __read_mostly = { - .name = "SE7780", - .mask = disable_se7780_irq, - .unmask = enable_se7780_irq, - .mask_ack = disable_se7780_irq, -}; - static struct intc2_data intc2_irq_table[] = { { 2, 0, 31, 0, 31, 3 }, /* daughter board EXTINT1 */ { 4, 0, 30, 0, 30, 3 }, /* daughter board EXTINT2 */ @@ -51,13 +29,24 @@ static struct intc2_data intc2_irq_table[] = { { 0 , 0, 24, 0, 24, 3 }, /* SM501 */ }; +static struct intc2_desc intc2_irq_desc __read_mostly = { + .prio_base = 0, /* N/A */ + .msk_base = 0xffd00044, + .mskclr_base = 0xffd00064, + + .intc2_data = intc2_irq_table, + .nr_irqs = ARRAY_SIZE(intc2_irq_table), + + .chip = { + .name = "INTC2-se7780", + }, +}; + /* * Initialize IRQ setting */ void __init init_se7780_IRQ(void) { - int i ; - /* enable all interrupt at FPGA */ ctrl_outw(0, FPGA_INTMSK1); /* mask SM501 interrupt */ @@ -79,11 +68,5 @@ void __init init_se7780_IRQ(void) /* FPGA + 0x0A */ ctrl_outw((IRQPIN_PCCPW << IRQPOS_PCCPW), FPGA_INTSEL3); - for (i = 0; i < ARRAY_SIZE(intc2_irq_table); i++) { - disable_irq_nosync(intc2_irq_table[i].irq); - set_irq_chip_and_handler_name( intc2_irq_table[i].irq, &se7780_irq_chip, - handle_level_irq, "level"); - set_irq_chip_data( intc2_irq_table[i].irq, &intc2_irq_table[i] ); - disable_se7780_irq(intc2_irq_table[i].irq); - } + register_intc2_controller(&intc2_irq_desc); } diff --git a/arch/sh/boards/se/7780/setup.c b/arch/sh/boards/se/7780/setup.c index df7d08a..723f2fd 100644 --- a/arch/sh/boards/se/7780/setup.c +++ b/arch/sh/boards/se/7780/setup.c @@ -113,10 +113,9 @@ static void __init se7780_setup(char **cmdline_p) /* * The Machine Vector */ -struct sh_machine_vector mv_se7780 __initmv = { +static struct sh_machine_vector mv_se7780 __initmv = { .mv_name = "Solution Engine 7780" , .mv_setup = se7780_setup , .mv_nr_irqs = 111 , .mv_init_irq = init_se7780_IRQ, }; -ALIAS_MV(se7780) diff --git a/arch/sh/boards/sh03/setup.c b/arch/sh/boards/sh03/setup.c index c069c44..9c031a8 100644 --- a/arch/sh/boards/sh03/setup.c +++ b/arch/sh/boards/sh03/setup.c @@ -15,17 +15,33 @@ #include <asm/sh03/sh03.h> #include <asm/addrspace.h> -static struct ipr_data sh03_ipr_map[] = { - { IRL0_IRQ, IRL0_IPR_ADDR, IRL0_IPR_POS, IRL0_PRIORITY }, - { IRL1_IRQ, IRL1_IPR_ADDR, IRL1_IPR_POS, IRL1_PRIORITY }, - { IRL2_IRQ, IRL2_IPR_ADDR, IRL2_IPR_POS, IRL2_PRIORITY }, - { IRL3_IRQ, IRL3_IPR_ADDR, IRL3_IPR_POS, IRL3_PRIORITY }, +static struct ipr_data ipr_irq_table[] = { + { IRL0_IRQ, 0, IRL0_IPR_POS, IRL0_PRIORITY }, + { IRL1_IRQ, 0, IRL1_IPR_POS, IRL1_PRIORITY }, + { IRL2_IRQ, 0, IRL2_IPR_POS, IRL2_PRIORITY }, + { IRL3_IRQ, 0, IRL3_IPR_POS, IRL3_PRIORITY }, +}; + +static unsigned long ipr_offsets[] = { + INTC_IPRD, +}; + +static struct ipr_desc ipr_irq_desc = { + .ipr_offsets = ipr_offsets, + .nr_offsets = ARRAY_SIZE(ipr_offsets), + + .ipr_data = ipr_irq_table, + .nr_irqs = ARRAY_SIZE(ipr_irq_table), + + .chip = { + .name = "IPR-sh03", + }, }; static void __init init_sh03_IRQ(void) { ctrl_outw(ctrl_inw(INTC_ICR) | INTC_ICR_IRLM, INTC_ICR); - make_ipr_irq(sh03_ipr_map, ARRAY_SIZE(sh03_ipr_map)); + register_ipr_controller(&ipr_irq_desc); } extern void *cf_io_base; @@ -74,11 +90,10 @@ static int __init sh03_devices_setup(void) } __initcall(sh03_devices_setup); -struct sh_machine_vector mv_sh03 __initmv = { +static struct sh_machine_vector mv_sh03 __initmv = { .mv_name = "Interface (CTP/PCI-SH03)", .mv_setup = sh03_setup, .mv_nr_irqs = 48, .mv_ioport_map = sh03_ioport_map, .mv_init_irq = init_sh03_IRQ, }; -ALIAS_MV(sh03) diff --git a/arch/sh/boards/shmin/setup.c b/arch/sh/boards/shmin/setup.c index 4a9df4a..dfd1245 100644 --- a/arch/sh/boards/shmin/setup.c +++ b/arch/sh/boards/shmin/setup.c @@ -6,28 +6,44 @@ * SHMIN Support. */ #include <linux/init.h> +#include <linux/irq.h> #include <asm/machvec.h> #include <asm/shmin.h> #include <asm/clock.h> -#include <asm/irq.h> #include <asm/io.h> #define PFC_PHCR 0xa400010eUL #define INTC_ICR1 0xa4000010UL #define INTC_IPRC 0xa4000016UL -static struct ipr_data shmin_ipr_map[] = { - { .irq=32, .addr=INTC_IPRC, .shift= 0, .priority=0 }, - { .irq=33, .addr=INTC_IPRC, .shift= 4, .priority=0 }, - { .irq=34, .addr=INTC_IPRC, .shift= 8, .priority=8 }, - { .irq=35, .addr=INTC_IPRC, .shift=12, .priority=0 }, +static struct ipr_data ipr_irq_table[] = { + { 32, 0, 0, 0 }, + { 33, 0, 4, 0 }, + { 34, 0, 8, 8 }, + { 35, 0, 12, 0 }, +}; + +static unsigned long ipr_offsets[] = { + INTC_IPRC, +}; + +static struct ipr_desc ipr_irq_desc = { + .ipr_offsets = ipr_offsets, + .nr_offsets = ARRAY_SIZE(ipr_offsets), + + .ipr_data = ipr_irq_table, + .nr_irqs = ARRAY_SIZE(ipr_irq_table), + + .chip = { + .name = "IPR-shmin", + }, }; static void __init init_shmin_irq(void) { ctrl_outw(0x2a00, PFC_PHCR); // IRQ0-3=IRQ ctrl_outw(0x0aaa, INTC_ICR1); // IRQ0-3=IRQ-mode,Low-active. - make_ipr_irq(shmin_ipr_map, ARRAY_SIZE(shmin_ipr_map)); + register_ipr_controller(&ipr_irq_desc); } static void __iomem *shmin_ioport_map(unsigned long port, unsigned int size) @@ -43,9 +59,8 @@ static void __iomem *shmin_ioport_map(unsigned long port, unsigned int size) } -struct sh_machine_vector mv_shmin __initmv = { +static struct sh_machine_vector mv_shmin __initmv = { .mv_name = "SHMIN", .mv_init_irq = init_shmin_irq, .mv_ioport_map = shmin_ioport_map, }; -ALIAS_MV(shmin) diff --git a/arch/sh/boards/snapgear/setup.c b/arch/sh/boards/snapgear/setup.c index 650fb36..84271d8 100644 --- a/arch/sh/boards/snapgear/setup.c +++ b/arch/sh/boards/snapgear/setup.c @@ -68,11 +68,27 @@ module_init(eraseconfig_init); * IRL3 = crypto */ -static struct ipr_data snapgear_ipr_map[] = { - make_ipr_irq(IRL0_IRQ, IRL0_IPR_ADDR, IRL0_IPR_POS, IRL0_PRIORITY); - make_ipr_irq(IRL1_IRQ, IRL1_IPR_ADDR, IRL1_IPR_POS, IRL1_PRIORITY); - make_ipr_irq(IRL2_IRQ, IRL2_IPR_ADDR, IRL2_IPR_POS, IRL2_PRIORITY); - make_ipr_irq(IRL3_IRQ, IRL3_IPR_ADDR, IRL3_IPR_POS, IRL3_PRIORITY); +static struct ipr_data ipr_irq_table[] = { + { IRL0_IRQ, 0, IRL0_IPR_POS, IRL0_PRIORITY }, + { IRL1_IRQ, 0, IRL1_IPR_POS, IRL1_PRIORITY }, + { IRL2_IRQ, 0, IRL2_IPR_POS, IRL2_PRIORITY }, + { IRL3_IRQ, 0, IRL3_IPR_POS, IRL3_PRIORITY }, +}; + +static unsigned long ipr_offsets[] = { + INTC_IPRD, +}; + +static struct ipr_desc ipr_irq_desc = { + .ipr_offsets = ipr_offsets, + .nr_offsets = ARRAY_SIZE(ipr_offsets), + + .ipr_data = ipr_irq_table, + .nr_irqs = ARRAY_SIZE(ipr_irq_table), + + .chip = { + .name = "IPR-snapgear", + }, }; static void __init init_snapgear_IRQ(void) @@ -82,7 +98,7 @@ static void __init init_snapgear_IRQ(void) printk("Setup SnapGear IRQ/IPR ...\n"); - make_ipr_irq(snapgear_ipr_map, ARRAY_SIZE(snapgear_ipr_map)); + register_ipr_controller(&ipr_irq_desc); } /* @@ -96,7 +112,7 @@ static void __init snapgear_setup(char **cmdline_p) /* * The Machine Vector */ -struct sh_machine_vector mv_snapgear __initmv = { +static struct sh_machine_vector mv_snapgear __initmv = { .mv_name = "SnapGear SecureEdge5410", .mv_setup = snapgear_setup, .mv_nr_irqs = 72, @@ -117,4 +133,3 @@ struct sh_machine_vector mv_snapgear __initmv = { .mv_init_irq = init_snapgear_IRQ, }; -ALIAS_MV(snapgear) diff --git a/arch/sh/boards/superh/microdev/setup.c b/arch/sh/boards/superh/microdev/setup.c index 6396cea..fc8cd06 100644 --- a/arch/sh/boards/superh/microdev/setup.c +++ b/arch/sh/boards/superh/microdev/setup.c @@ -371,7 +371,7 @@ static void __init microdev_setup(char **cmdline_p) /* * The Machine Vector */ -struct sh_machine_vector mv_sh4202_microdev __initmv = { +static struct sh_machine_vector mv_sh4202_microdev __initmv = { .mv_name = "SH4-202 MicroDev", .mv_setup = microdev_setup, .mv_nr_irqs = 72, /* QQQ need to check this - use the MACRO */ @@ -403,4 +403,3 @@ struct sh_machine_vector mv_sh4202_microdev __initmv = { .mv_heartbeat = microdev_heartbeat, #endif }; -ALIAS_MV(sh4202_microdev) diff --git a/arch/sh/boards/titan/setup.c b/arch/sh/boards/titan/setup.c index 6bcd939..606d25a 100644 --- a/arch/sh/boards/titan/setup.c +++ b/arch/sh/boards/titan/setup.c @@ -12,7 +12,7 @@ #include <asm/titan.h> #include <asm/io.h> -static struct ipr_data titan_ipr_map[] = { +static struct ipr_data ipr_irq_table[] = { /* IRQ, IPR idx, shift, prio */ { TITAN_IRQ_WAN, 3, 12, 8 }, /* eth0 (WAN) */ { TITAN_IRQ_LAN, 3, 8, 8 }, /* eth1 (LAN) */ @@ -20,15 +20,33 @@ static struct ipr_data titan_ipr_map[] = { { TITAN_IRQ_USB, 3, 0, 8 }, /* mPCI B (bottom), USB */ }; +static unsigned long ipr_offsets[] = { /* stolen from setup-sh7750.c */ + 0xffd00004UL, /* 0: IPRA */ + 0xffd00008UL, /* 1: IPRB */ + 0xffd0000cUL, /* 2: IPRC */ + 0xffd00010UL, /* 3: IPRD */ +}; + +static struct ipr_desc ipr_irq_desc = { + .ipr_offsets = ipr_offsets, + .nr_offsets = ARRAY_SIZE(ipr_offsets), + + .ipr_data = ipr_irq_table, + .nr_irqs = ARRAY_SIZE(ipr_irq_table), + + .chip = { + .name = "IPR-titan", + }, +}; static void __init init_titan_irq(void) { /* enable individual interrupt mode for externals */ ipr_irq_enable_irlm(); /* register ipr irqs */ - make_ipr_irq(titan_ipr_map, ARRAY_SIZE(titan_ipr_map)); + register_ipr_controller(&ipr_irq_desc); } -struct sh_machine_vector mv_titan __initmv = { +static struct sh_machine_vector mv_titan __initmv = { .mv_name = "Titan", .mv_inb = titan_inb, @@ -52,4 +70,3 @@ struct sh_machine_vector mv_titan __initmv = { .mv_init_irq = init_titan_irq, }; -ALIAS_MV(titan) diff --git a/arch/sh/boards/unknown/Makefile b/arch/sh/boards/unknown/Makefile deleted file mode 100644 index 7d18f40..0000000 --- a/arch/sh/boards/unknown/Makefile +++ /dev/null @@ -1,6 +0,0 @@ -# -# Makefile for unknown SH boards -# - -obj-y := setup.o - diff --git a/arch/sh/boards/unknown/setup.c b/arch/sh/boards/unknown/setup.c deleted file mode 100644 index bee4612..0000000 --- a/arch/sh/boards/unknown/setup.c +++ /dev/null @@ -1,21 +0,0 @@ -/* - * linux/arch/sh/boards/unknown/setup.c - * - * Copyright (C) 2002 Paul Mundt - * - * May be copied or modified under the terms of the GNU General Public - * License. See linux/COPYING for more information. - * - * Setup code for an unknown machine (internal peripherals only) - * - * This is the simplest of all boards, and serves only as a quick and dirty - * method to start debugging a new board during bring-up until proper board - * setup code is written. - */ -#include <linux/init.h> -#include <asm/machvec.h> - -struct sh_machine_vector mv_unknown __initmv = { - .mv_name = "Unknown", -}; -ALIAS_MV(unknown) diff --git a/arch/sh/cchips/Kconfig b/arch/sh/cchips/Kconfig index 0582ca8..2e516e9 100644 --- a/arch/sh/cchips/Kconfig +++ b/arch/sh/cchips/Kconfig @@ -13,10 +13,8 @@ config VOYAGERGX are additional GPIO bits that can be used to interface to external as well. -# A board must have defined HD6446X_SERIES in order to see these config HD6446X_SERIES - bool "HD6446x support" - default n + bool choice prompt "HD6446x options" @@ -25,7 +23,6 @@ choice config HD64461 bool "Hitachi HD64461 companion chip support" - depends on CPU_SUBTYPE_SH7709 ---help--- The Hitachi HD64461 provides an interface for the SH7709 CPU, supporting a LCD controller, @@ -40,7 +37,6 @@ config HD64461 config HD64465 bool "Hitachi HD64465 companion chip support" - depends on CPU_SUBTYPE_SH7750 ---help--- The Hitachi HD64465 provides an interface for the SH7750 CPU, supporting a LCD controller, diff --git a/arch/sh/configs/dreamcast_defconfig b/arch/sh/configs/dreamcast_defconfig index 8b6b5a7..3fdd270 100644 --- a/arch/sh/configs/dreamcast_defconfig +++ b/arch/sh/configs/dreamcast_defconfig @@ -1,15 +1,23 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.18 -# Tue Oct 3 10:51:55 2006 +# Linux kernel version: 2.6.22-rc4 +# Sat Jul 7 03:47:45 2007 # CONFIG_SUPERH=y CONFIG_RWSEM_GENERIC_SPINLOCK=y +CONFIG_GENERIC_BUG=y CONFIG_GENERIC_FIND_NEXT_BIT=y CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_GENERIC_TIME=y +CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_SYS_SUPPORTS_PCI=y +CONFIG_STACKTRACE_SUPPORT=y +CONFIG_LOCKDEP_SUPPORT=y +# CONFIG_ARCH_HAS_ILOG2_U32 is not set +# CONFIG_ARCH_HAS_ILOG2_U64 is not set CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" # @@ -28,6 +36,7 @@ CONFIG_LOCALVERSION_AUTO=y CONFIG_SWAP=y CONFIG_SYSVIPC=y # CONFIG_IPC_NS is not set +CONFIG_SYSVIPC_SYSCTL=y # CONFIG_POSIX_MQUEUE is not set CONFIG_BSD_PROCESS_ACCT=y # CONFIG_BSD_PROCESS_ACCT_V3 is not set @@ -35,8 +44,10 @@ CONFIG_BSD_PROCESS_ACCT=y # CONFIG_UTS_NS is not set # CONFIG_AUDIT is not set # CONFIG_IKCONFIG is not set +CONFIG_LOG_BUF_SHIFT=14 +CONFIG_SYSFS_DEPRECATED=y # CONFIG_RELAY is not set -CONFIG_INITRAMFS_SOURCE="" +# CONFIG_BLK_DEV_INITRD is not set CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_SYSCTL=y CONFIG_EMBEDDED=y @@ -50,14 +61,19 @@ CONFIG_BUG=y CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y +CONFIG_ANON_INODES=y CONFIG_EPOLL=y +CONFIG_SIGNALFD=y +CONFIG_TIMERFD=y +CONFIG_EVENTFD=y CONFIG_SHMEM=y -CONFIG_SLAB=y CONFIG_VM_EVENT_COUNTERS=y +CONFIG_SLAB=y +# CONFIG_SLUB is not set +# CONFIG_SLOB is not set CONFIG_RT_MUTEXES=y # CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 -# CONFIG_SLOB is not set # # Loadable module support @@ -93,44 +109,9 @@ CONFIG_DEFAULT_IOSCHED="anticipatory" # # System type # -# CONFIG_SH_SOLUTION_ENGINE is not set -# CONFIG_SH_7751_SOLUTION_ENGINE is not set -# CONFIG_SH_7300_SOLUTION_ENGINE is not set -# CONFIG_SH_7343_SOLUTION_ENGINE is not set -# CONFIG_SH_73180_SOLUTION_ENGINE is not set -# CONFIG_SH_7751_SYSTEMH is not set -# CONFIG_SH_HP6XX is not set -# CONFIG_SH_EC3104 is not set -# CONFIG_SH_SATURN is not set -CONFIG_SH_DREAMCAST=y -# CONFIG_SH_BIGSUR is not set -# CONFIG_SH_MPC1211 is not set -# CONFIG_SH_SH03 is not set -# CONFIG_SH_SECUREEDGE5410 is not set -# CONFIG_SH_HS7751RVOIP is not set -# CONFIG_SH_7710VOIPGW is not set -# CONFIG_SH_RTS7751R2D is not set -# CONFIG_SH_R7780RP is not set -# CONFIG_SH_EDOSK7705 is not set -# CONFIG_SH_SH4202_MICRODEV is not set -# CONFIG_SH_LANDISK is not set -# CONFIG_SH_TITAN is not set -# CONFIG_SH_SHMIN is not set -# CONFIG_SH_UNKNOWN is not set - -# -# Processor selection -# CONFIG_CPU_SH4=y - -# -# SH-2 Processor Support -# -# CONFIG_CPU_SUBTYPE_SH7604 is not set - -# -# SH-3 Processor Support -# +# CONFIG_CPU_SUBTYPE_SH7619 is not set +# CONFIG_CPU_SUBTYPE_SH7206 is not set # CONFIG_CPU_SUBTYPE_SH7300 is not set # CONFIG_CPU_SUBTYPE_SH7705 is not set # CONFIG_CPU_SUBTYPE_SH7706 is not set @@ -138,79 +119,93 @@ CONFIG_CPU_SH4=y # CONFIG_CPU_SUBTYPE_SH7708 is not set # CONFIG_CPU_SUBTYPE_SH7709 is not set # CONFIG_CPU_SUBTYPE_SH7710 is not set - -# -# SH-4 Processor Support -# -CONFIG_CPU_SUBTYPE_SH7750=y +# CONFIG_CPU_SUBTYPE_SH7712 is not set +# CONFIG_CPU_SUBTYPE_SH7750 is not set CONFIG_CPU_SUBTYPE_SH7091=y -CONFIG_CPU_SUBTYPE_SH7750R=y +# CONFIG_CPU_SUBTYPE_SH7750R is not set # CONFIG_CPU_SUBTYPE_SH7750S is not set # CONFIG_CPU_SUBTYPE_SH7751 is not set # CONFIG_CPU_SUBTYPE_SH7751R is not set # CONFIG_CPU_SUBTYPE_SH7760 is not set # CONFIG_CPU_SUBTYPE_SH4_202 is not set - -# -# ST40 Processor Support -# # CONFIG_CPU_SUBTYPE_ST40STB1 is not set # CONFIG_CPU_SUBTYPE_ST40GX1 is not set - -# -# SH-4A Processor Support -# # CONFIG_CPU_SUBTYPE_SH7770 is not set # CONFIG_CPU_SUBTYPE_SH7780 is not set - -# -# SH4AL-DSP Processor Support -# +# CONFIG_CPU_SUBTYPE_SH7785 is not set +# CONFIG_CPU_SUBTYPE_SHX3 is not set # CONFIG_CPU_SUBTYPE_SH73180 is not set # CONFIG_CPU_SUBTYPE_SH7343 is not set +# CONFIG_CPU_SUBTYPE_SH7722 is not set # # Memory management options # +CONFIG_QUICKLIST=y CONFIG_MMU=y CONFIG_PAGE_OFFSET=0x80000000 CONFIG_MEMORY_START=0x0c000000 CONFIG_MEMORY_SIZE=0x01000000 CONFIG_VSYSCALL=y +CONFIG_ARCH_FLATMEM_ENABLE=y +CONFIG_ARCH_SPARSEMEM_ENABLE=y +CONFIG_ARCH_SPARSEMEM_DEFAULT=y +CONFIG_MAX_ACTIVE_REGIONS=1 +CONFIG_ARCH_POPULATES_NODE_MAP=y +CONFIG_ARCH_SELECT_MEMORY_MODEL=y +CONFIG_PAGE_SIZE_4KB=y +# CONFIG_PAGE_SIZE_8KB is not set +# CONFIG_PAGE_SIZE_64KB is not set CONFIG_HUGETLB_PAGE_SIZE_64K=y +# CONFIG_HUGETLB_PAGE_SIZE_256K is not set # CONFIG_HUGETLB_PAGE_SIZE_1MB is not set +# CONFIG_HUGETLB_PAGE_SIZE_4MB is not set +# CONFIG_HUGETLB_PAGE_SIZE_64MB is not set CONFIG_SELECT_MEMORY_MODEL=y CONFIG_FLATMEM_MANUAL=y # CONFIG_DISCONTIGMEM_MANUAL is not set # CONFIG_SPARSEMEM_MANUAL is not set CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y -# CONFIG_SPARSEMEM_STATIC is not set +CONFIG_SPARSEMEM_STATIC=y CONFIG_SPLIT_PTLOCK_CPUS=4 # CONFIG_RESOURCES_64BIT is not set +CONFIG_ZONE_DMA_FLAG=0 +CONFIG_NR_QUICK=2 # # Cache configuration # # CONFIG_SH_DIRECT_MAPPED is not set # CONFIG_SH_WRITETHROUGH is not set -# CONFIG_SH_OCRAM is not set # # Processor features # CONFIG_CPU_LITTLE_ENDIAN=y +# CONFIG_CPU_BIG_ENDIAN is not set CONFIG_SH_FPU=y # CONFIG_SH_DSP is not set CONFIG_SH_STORE_QUEUES=y CONFIG_CPU_HAS_INTEVT=y +CONFIG_CPU_HAS_IPR_IRQ=y CONFIG_CPU_HAS_SR_RB=y +CONFIG_CPU_HAS_PTEA=y # -# Timer support +# Board support +# +CONFIG_SH_DREAMCAST=y + +# +# Timer and clock configuration # CONFIG_SH_TMU=y +CONFIG_SH_TIMER_IRQ=16 CONFIG_SH_PCLK_FREQ=49876504 +# CONFIG_TICK_ONESHOT is not set +# CONFIG_NO_HZ is not set +# CONFIG_HIGH_RES_TIMERS is not set # # CPU Frequency scaling @@ -232,6 +227,7 @@ CONFIG_CPU_FREQ_GOV_USERSPACE=y # # DMA support # +CONFIG_SH_DMA_API=y CONFIG_SH_DMA=y CONFIG_NR_ONCHIP_DMA_CHANNELS=4 CONFIG_NR_DMA_CHANNELS_BOOL=y @@ -240,17 +236,23 @@ CONFIG_NR_DMA_CHANNELS=9 # # Companion Chips # -# CONFIG_HD6446X_SERIES is not set + +# +# Additional SuperH Device Drivers +# +# CONFIG_HEARTBEAT is not set +# CONFIG_PUSH_SWITCH is not set # # Kernel features # # CONFIG_HZ_100 is not set CONFIG_HZ_250=y +# CONFIG_HZ_300 is not set # CONFIG_HZ_1000 is not set CONFIG_HZ=250 # CONFIG_KEXEC is not set -# CONFIG_SMP is not set +# CONFIG_CRASH_DUMP is not set # CONFIG_PREEMPT_NONE is not set # CONFIG_PREEMPT_VOLUNTARY is not set CONFIG_PREEMPT=y @@ -269,33 +271,23 @@ CONFIG_CMDLINE="console=ttySC1,115200 panic=3" # Bus options # CONFIG_PCI=y -# CONFIG_SH_PCIDMA_NONCOHERENT is not set +CONFIG_SH_PCIDMA_NONCOHERENT=y CONFIG_PCI_AUTO=y -# CONFIG_PCI_MULTITHREAD_PROBE is not set +# CONFIG_ARCH_SUPPORTS_MSI is not set # # PCCARD (PCMCIA/CardBus) support # # CONFIG_PCCARD is not set - -# -# PCI Hotplug Support -# # CONFIG_HOTPLUG_PCI is not set # # Executable file formats # CONFIG_BINFMT_ELF=y -# CONFIG_BINFMT_FLAT is not set # CONFIG_BINFMT_MISC is not set # -# Power management options (EXPERIMENTAL) -# -# CONFIG_PM is not set - -# # Networking # CONFIG_NET=y @@ -303,13 +295,13 @@ CONFIG_NET=y # # Networking options # -# CONFIG_NETDEBUG is not set CONFIG_PACKET=y # CONFIG_PACKET_MMAP is not set CONFIG_UNIX=y CONFIG_XFRM=y # CONFIG_XFRM_USER is not set # CONFIG_XFRM_SUB_POLICY is not set +# CONFIG_XFRM_MIGRATE is not set # CONFIG_NET_KEY is not set CONFIG_INET=y # CONFIG_IP_MULTICAST is not set @@ -327,30 +319,20 @@ CONFIG_IP_FIB_HASH=y # CONFIG_INET_TUNNEL is not set CONFIG_INET_XFRM_MODE_TRANSPORT=y CONFIG_INET_XFRM_MODE_TUNNEL=y +CONFIG_INET_XFRM_MODE_BEET=y CONFIG_INET_DIAG=y CONFIG_INET_TCP_DIAG=y # CONFIG_TCP_CONG_ADVANCED is not set CONFIG_TCP_CONG_CUBIC=y CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set # CONFIG_IPV6 is not set # CONFIG_INET6_XFRM_TUNNEL is not set # CONFIG_INET6_TUNNEL is not set # CONFIG_NETWORK_SECMARK is not set # CONFIG_NETFILTER is not set - -# -# DCCP Configuration (EXPERIMENTAL) -# # CONFIG_IP_DCCP is not set - -# -# SCTP Configuration (EXPERIMENTAL) -# # CONFIG_IP_SCTP is not set - -# -# TIPC Configuration (EXPERIMENTAL) -# # CONFIG_TIPC is not set # CONFIG_ATM is not set # CONFIG_BRIDGE is not set @@ -376,7 +358,16 @@ CONFIG_DEFAULT_TCP_CONG="cubic" # CONFIG_HAMRADIO is not set # CONFIG_IRDA is not set # CONFIG_BT is not set +# CONFIG_AF_RXRPC is not set + +# +# Wireless +# +# CONFIG_CFG80211 is not set +# CONFIG_WIRELESS_EXT is not set +# CONFIG_MAC80211 is not set # CONFIG_IEEE80211 is not set +# CONFIG_RFKILL is not set # # Device Drivers @@ -394,10 +385,6 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # Connector - unified userspace <-> kernelspace linker # # CONFIG_CONNECTOR is not set - -# -# Memory Technology Devices (MTD) -# # CONFIG_MTD is not set # @@ -408,6 +395,7 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -421,13 +409,16 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # CONFIG_BLK_DEV_NBD is not set # CONFIG_BLK_DEV_SX8 is not set # CONFIG_BLK_DEV_RAM is not set -# CONFIG_BLK_DEV_INITRD is not set # CONFIG_CDROM_PKTCDVD is not set # CONFIG_ATA_OVER_ETH is not set # -# ATA/ATAPI/MFM/RLL support +# Misc devices # +# CONFIG_PHANTOM is not set +# CONFIG_SGI_IOC4 is not set +# CONFIG_TIFM_CORE is not set +# CONFIG_BLINK is not set # CONFIG_IDE is not set # @@ -436,10 +427,6 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # CONFIG_RAID_ATTRS is not set # CONFIG_SCSI is not set # CONFIG_SCSI_NETLINK is not set - -# -# Serial ATA (prod) and Parallel ATA (experimental) drivers -# # CONFIG_ATA is not set # @@ -455,6 +442,7 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # # IEEE 1394 (FireWire) support # +# CONFIG_FIREWIRE is not set # CONFIG_IEEE1394 is not set # @@ -470,15 +458,7 @@ CONFIG_NETDEVICES=y # CONFIG_BONDING is not set # CONFIG_EQUALIZER is not set # CONFIG_TUN is not set - -# -# ARCnet devices -# # CONFIG_ARCNET is not set - -# -# PHY device support -# # CONFIG_PHYLIB is not set # @@ -521,47 +501,16 @@ CONFIG_8139TOO=y # CONFIG_SUNDANCE is not set # CONFIG_TLAN is not set # CONFIG_VIA_RHINE is not set - -# -# Ethernet (1000 Mbit) -# -# CONFIG_ACENIC is not set -# CONFIG_DL2K is not set -# CONFIG_E1000 is not set -# CONFIG_NS83820 is not set -# CONFIG_HAMACHI is not set -# CONFIG_YELLOWFIN is not set -# CONFIG_R8169 is not set -# CONFIG_SIS190 is not set -# CONFIG_SKGE is not set -# CONFIG_SKY2 is not set -# CONFIG_SK98LIN is not set -# CONFIG_VIA_VELOCITY is not set -# CONFIG_TIGON3 is not set -# CONFIG_BNX2 is not set -# CONFIG_QLA3XXX is not set - -# -# Ethernet (10000 Mbit) -# -# CONFIG_CHELSIO_T1 is not set -# CONFIG_IXGB is not set -# CONFIG_S2IO is not set -# CONFIG_MYRI10GE is not set - -# -# Token Ring devices -# +# CONFIG_SC92031 is not set +# CONFIG_NETDEV_1000 is not set +# CONFIG_NETDEV_10000 is not set # CONFIG_TR is not set # -# Wireless LAN (non-hamradio) -# -# CONFIG_NET_RADIO is not set - -# -# Wan interfaces +# Wireless LAN # +# CONFIG_WLAN_PRE80211 is not set +# CONFIG_WLAN_80211 is not set # CONFIG_WAN is not set # CONFIG_FDDI is not set # CONFIG_HIPPI is not set @@ -604,17 +553,19 @@ CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 # Input Device Drivers # CONFIG_INPUT_KEYBOARD=y -CONFIG_KEYBOARD_ATKBD=y +# CONFIG_KEYBOARD_ATKBD is not set # CONFIG_KEYBOARD_SUNKBD is not set # CONFIG_KEYBOARD_LKKBD is not set # CONFIG_KEYBOARD_XTKBD is not set # CONFIG_KEYBOARD_NEWTON is not set # CONFIG_KEYBOARD_STOWAWAY is not set CONFIG_INPUT_MOUSE=y -CONFIG_MOUSE_PS2=y +# CONFIG_MOUSE_PS2 is not set # CONFIG_MOUSE_SERIAL is not set +# CONFIG_MOUSE_APPLETOUCH is not set # CONFIG_MOUSE_VSXXXAA is not set # CONFIG_INPUT_JOYSTICK is not set +# CONFIG_INPUT_TABLET is not set # CONFIG_INPUT_TOUCHSCREEN is not set # CONFIG_INPUT_MISC is not set @@ -660,10 +611,6 @@ CONFIG_LEGACY_PTY_COUNT=256 # IPMI # # CONFIG_IPMI_HANDLER is not set - -# -# Watchdog Cards -# CONFIG_WATCHDOG=y # CONFIG_WATCHDOG_NOWAYOUT is not set @@ -680,14 +627,8 @@ CONFIG_SH_WDT=y # CONFIG_PCIPCWATCHDOG is not set # CONFIG_WDTPCI is not set CONFIG_HW_RANDOM=y -# CONFIG_GEN_RTC is not set -# CONFIG_DTLK is not set # CONFIG_R3964 is not set # CONFIG_APPLICOM is not set - -# -# Ftape, the floppy tape device driver -# # CONFIG_DRM is not set # CONFIG_RAW_DRIVER is not set @@ -695,11 +636,7 @@ CONFIG_HW_RANDOM=y # TPM devices # # CONFIG_TCG_TPM is not set -# CONFIG_TELCLOCK is not set - -# -# I2C support -# +CONFIG_DEVPORT=y # CONFIG_I2C is not set # @@ -711,44 +648,51 @@ CONFIG_HW_RANDOM=y # # Dallas's 1-wire bus # +# CONFIG_W1 is not set +# CONFIG_HWMON is not set # -# Hardware Monitoring support -# -CONFIG_HWMON=y -# CONFIG_HWMON_VID is not set -# CONFIG_SENSORS_ABITUGURU is not set -# CONFIG_SENSORS_F71805F is not set -# CONFIG_SENSORS_VT1211 is not set -# CONFIG_HWMON_DEBUG_CHIP is not set - -# -# Misc devices +# Multifunction device drivers # +# CONFIG_MFD_SM501 is not set # # Multimedia devices # # CONFIG_VIDEO_DEV is not set -CONFIG_VIDEO_V4L2=y +# CONFIG_DVB_CORE is not set +# CONFIG_DAB is not set # -# Digital Video Broadcasting Devices +# Graphics support # -# CONFIG_DVB is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set # -# Graphics support +# Display device support # -CONFIG_FIRMWARE_EDID=y +# CONFIG_DISPLAY_SUPPORT is not set +# CONFIG_VGASTATE is not set CONFIG_FB=y +CONFIG_FIRMWARE_EDID=y +# CONFIG_FB_DDC is not set CONFIG_FB_CFB_FILLRECT=y CONFIG_FB_CFB_COPYAREA=y CONFIG_FB_CFB_IMAGEBLIT=y +# CONFIG_FB_SYS_FILLRECT is not set +# CONFIG_FB_SYS_COPYAREA is not set +# CONFIG_FB_SYS_IMAGEBLIT is not set +# CONFIG_FB_SYS_FOPS is not set +CONFIG_FB_DEFERRED_IO=y +# CONFIG_FB_SVGALIB is not set # CONFIG_FB_MACMODES is not set # CONFIG_FB_BACKLIGHT is not set # CONFIG_FB_MODE_HELPERS is not set # CONFIG_FB_TILEBLITTING is not set + +# +# Frame buffer hardware drivers +# # CONFIG_FB_CIRRUS is not set # CONFIG_FB_PM2 is not set # CONFIG_FB_CYBER2000 is not set @@ -763,13 +707,17 @@ CONFIG_FB_PVR2=y # CONFIG_FB_RADEON is not set # CONFIG_FB_ATY128 is not set # CONFIG_FB_ATY is not set +# CONFIG_FB_S3 is not set # CONFIG_FB_SAVAGE is not set # CONFIG_FB_SIS is not set # CONFIG_FB_NEOMAGIC is not set # CONFIG_FB_KYRO is not set # CONFIG_FB_3DFX is not set # CONFIG_FB_VOODOO1 is not set +# CONFIG_FB_VT8623 is not set # CONFIG_FB_TRIDENT is not set +# CONFIG_FB_ARK is not set +# CONFIG_FB_PM3 is not set # CONFIG_FB_VIRTUAL is not set # @@ -789,10 +737,6 @@ CONFIG_FONT_8x16=y # CONFIG_FONT_SUN8x16 is not set # CONFIG_FONT_SUN12x22 is not set # CONFIG_FONT_10x18 is not set - -# -# Logo configuration -# CONFIG_LOGO=y # CONFIG_LOGO_LINUX_MONO is not set # CONFIG_LOGO_LINUX_VGA16 is not set @@ -800,7 +744,6 @@ CONFIG_LOGO=y # CONFIG_LOGO_SUPERH_MONO is not set # CONFIG_LOGO_SUPERH_VGA16 is not set CONFIG_LOGO_SUPERH_CLUT224=y -# CONFIG_BACKLIGHT_LCD_SUPPORT is not set # # Sound @@ -808,6 +751,12 @@ CONFIG_LOGO_SUPERH_CLUT224=y # CONFIG_SOUND is not set # +# HID Devices +# +CONFIG_HID=y +# CONFIG_HID_DEBUG is not set + +# # USB support # CONFIG_USB_ARCH_HAS_HCD=y @@ -823,10 +772,6 @@ CONFIG_USB_ARCH_HAS_EHCI=y # USB Gadget Support # # CONFIG_USB_GADGET is not set - -# -# MMC/SD Card support -# # CONFIG_MMC is not set # @@ -874,10 +819,12 @@ CONFIG_USB_ARCH_HAS_EHCI=y # # CONFIG_EXT2_FS is not set # CONFIG_EXT3_FS is not set +# CONFIG_EXT4DEV_FS is not set # CONFIG_REISERFS_FS is not set # CONFIG_JFS_FS is not set # CONFIG_FS_POSIX_ACL is not set # CONFIG_XFS_FS is not set +# CONFIG_GFS2_FS is not set # CONFIG_OCFS2_FS is not set # CONFIG_MINIX_FS is not set # CONFIG_ROMFS_FS is not set @@ -957,6 +904,11 @@ CONFIG_MSDOS_PARTITION=y # CONFIG_NLS is not set # +# Distributed Lock Manager +# +# CONFIG_DLM is not set + +# # Profiling support # CONFIG_PROFILING=y @@ -965,17 +917,18 @@ CONFIG_PROFILING=y # # Kernel hacking # +CONFIG_TRACE_IRQFLAGS_SUPPORT=y # CONFIG_PRINTK_TIME is not set CONFIG_ENABLE_MUST_CHECK=y # CONFIG_MAGIC_SYSRQ is not set # CONFIG_UNUSED_SYMBOLS is not set +# CONFIG_DEBUG_FS is not set +# CONFIG_HEADERS_CHECK is not set # CONFIG_DEBUG_KERNEL is not set -CONFIG_LOG_BUF_SHIFT=14 # CONFIG_DEBUG_BUGVERBOSE is not set -# CONFIG_DEBUG_FS is not set # CONFIG_SH_STANDARD_BIOS is not set # CONFIG_EARLY_SCIF_CONSOLE is not set -# CONFIG_KGDB is not set +# CONFIG_SH_KGDB is not set # # Security options @@ -991,8 +944,13 @@ CONFIG_LOG_BUF_SHIFT=14 # # Library routines # +CONFIG_BITREVERSE=y # CONFIG_CRC_CCITT is not set # CONFIG_CRC16 is not set +# CONFIG_CRC_ITU_T is not set CONFIG_CRC32=y # CONFIG_LIBCRC32C is not set CONFIG_PLIST=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +CONFIG_HAS_DMA=y diff --git a/arch/sh/configs/r7780mp_defconfig b/arch/sh/configs/r7780mp_defconfig new file mode 100644 index 0000000..17f7402 --- /dev/null +++ b/arch/sh/configs/r7780mp_defconfig @@ -0,0 +1,1223 @@ +# +# Automatically generated make config: don't edit +# Linux kernel version: 2.6.22-rc4 +# Mon Jun 11 10:24:57 2007 +# +CONFIG_SUPERH=y +CONFIG_RWSEM_GENERIC_SPINLOCK=y +CONFIG_GENERIC_BUG=y +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_GENERIC_HWEIGHT=y +CONFIG_GENERIC_HARDIRQS=y +CONFIG_GENERIC_IRQ_PROBE=y +CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_GENERIC_TIME=y +CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_STACKTRACE_SUPPORT=y +CONFIG_LOCKDEP_SUPPORT=y +# CONFIG_ARCH_HAS_ILOG2_U32 is not set +# CONFIG_ARCH_HAS_ILOG2_U64 is not set +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" + +# +# Code maturity level options +# +CONFIG_EXPERIMENTAL=y +CONFIG_BROKEN_ON_SMP=y +CONFIG_LOCK_KERNEL=y +CONFIG_INIT_ENV_ARG_LIMIT=32 + +# +# General setup +# +CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y +CONFIG_SWAP=y +CONFIG_SYSVIPC=y +# CONFIG_IPC_NS is not set +CONFIG_SYSVIPC_SYSCTL=y +# CONFIG_POSIX_MQUEUE is not set +CONFIG_BSD_PROCESS_ACCT=y +# CONFIG_BSD_PROCESS_ACCT_V3 is not set +# CONFIG_TASKSTATS is not set +# CONFIG_UTS_NS is not set +# CONFIG_AUDIT is not set +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_LOG_BUF_SHIFT=14 +# CONFIG_SYSFS_DEPRECATED is not set +# CONFIG_RELAY is not set +# CONFIG_BLK_DEV_INITRD is not set +CONFIG_CC_OPTIMIZE_FOR_SIZE=y +CONFIG_SYSCTL=y +CONFIG_EMBEDDED=y +CONFIG_UID16=y +# CONFIG_SYSCTL_SYSCALL is not set +CONFIG_KALLSYMS=y +# CONFIG_KALLSYMS_ALL is not set +# CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_HOTPLUG=y +CONFIG_PRINTK=y +CONFIG_BUG=y +CONFIG_ELF_CORE=y +CONFIG_BASE_FULL=y +# CONFIG_FUTEX is not set +CONFIG_ANON_INODES=y +# CONFIG_EPOLL is not set +CONFIG_SIGNALFD=y +CONFIG_TIMERFD=y +CONFIG_EVENTFD=y +CONFIG_SHMEM=y +CONFIG_VM_EVENT_COUNTERS=y +CONFIG_SLAB=y +# CONFIG_SLUB is not set +# CONFIG_SLOB is not set +# CONFIG_TINY_SHMEM is not set +CONFIG_BASE_SMALL=0 + +# +# Loadable module support +# +CONFIG_MODULES=y +CONFIG_MODULE_UNLOAD=y +# CONFIG_MODULE_FORCE_UNLOAD is not set +# CONFIG_MODVERSIONS is not set +# CONFIG_MODULE_SRCVERSION_ALL is not set +CONFIG_KMOD=y + +# +# Block layer +# +CONFIG_BLOCK=y +# CONFIG_LBD is not set +# CONFIG_BLK_DEV_IO_TRACE is not set +# CONFIG_LSF is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +# CONFIG_IOSCHED_AS is not set +# CONFIG_IOSCHED_DEADLINE is not set +# CONFIG_IOSCHED_CFQ is not set +# CONFIG_DEFAULT_AS is not set +# CONFIG_DEFAULT_DEADLINE is not set +# CONFIG_DEFAULT_CFQ is not set +CONFIG_DEFAULT_NOOP=y +CONFIG_DEFAULT_IOSCHED="noop" + +# +# System type +# +CONFIG_CPU_SH4=y +CONFIG_CPU_SH4A=y +# CONFIG_CPU_SUBTYPE_SH7619 is not set +# CONFIG_CPU_SUBTYPE_SH7206 is not set +# CONFIG_CPU_SUBTYPE_SH7300 is not set +# CONFIG_CPU_SUBTYPE_SH7705 is not set +# CONFIG_CPU_SUBTYPE_SH7706 is not set +# CONFIG_CPU_SUBTYPE_SH7707 is not set +# CONFIG_CPU_SUBTYPE_SH7708 is not set +# CONFIG_CPU_SUBTYPE_SH7709 is not set +# CONFIG_CPU_SUBTYPE_SH7710 is not set +# CONFIG_CPU_SUBTYPE_SH7712 is not set +# CONFIG_CPU_SUBTYPE_SH7750 is not set +# CONFIG_CPU_SUBTYPE_SH7091 is not set +# CONFIG_CPU_SUBTYPE_SH7750R is not set +# CONFIG_CPU_SUBTYPE_SH7750S is not set +# CONFIG_CPU_SUBTYPE_SH7751 is not set +# CONFIG_CPU_SUBTYPE_SH7751R is not set +# CONFIG_CPU_SUBTYPE_SH7760 is not set +# CONFIG_CPU_SUBTYPE_SH4_202 is not set +# CONFIG_CPU_SUBTYPE_ST40STB1 is not set +# CONFIG_CPU_SUBTYPE_ST40GX1 is not set +# CONFIG_CPU_SUBTYPE_SH7770 is not set +CONFIG_CPU_SUBTYPE_SH7780=y +# CONFIG_CPU_SUBTYPE_SH7785 is not set +# CONFIG_CPU_SUBTYPE_SH73180 is not set +# CONFIG_CPU_SUBTYPE_SH7343 is not set +# CONFIG_CPU_SUBTYPE_SH7722 is not set + +# +# Memory management options +# +CONFIG_QUICKLIST=y +CONFIG_MMU=y +CONFIG_PAGE_OFFSET=0x80000000 +CONFIG_MEMORY_START=0x08000000 +CONFIG_MEMORY_SIZE=0x08000000 +# CONFIG_32BIT is not set +CONFIG_VSYSCALL=y +CONFIG_ARCH_FLATMEM_ENABLE=y +CONFIG_ARCH_SPARSEMEM_ENABLE=y +CONFIG_ARCH_SPARSEMEM_DEFAULT=y +CONFIG_MAX_ACTIVE_REGIONS=1 +CONFIG_ARCH_POPULATES_NODE_MAP=y +CONFIG_ARCH_SELECT_MEMORY_MODEL=y +CONFIG_PAGE_SIZE_4KB=y +# CONFIG_PAGE_SIZE_8KB is not set +# CONFIG_PAGE_SIZE_64KB is not set +CONFIG_HUGETLB_PAGE_SIZE_64K=y +# CONFIG_HUGETLB_PAGE_SIZE_256K is not set +# CONFIG_HUGETLB_PAGE_SIZE_1MB is not set +# CONFIG_HUGETLB_PAGE_SIZE_4MB is not set +# CONFIG_HUGETLB_PAGE_SIZE_64MB is not set +CONFIG_SELECT_MEMORY_MODEL=y +CONFIG_FLATMEM_MANUAL=y +# CONFIG_DISCONTIGMEM_MANUAL is not set +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_FLATMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +CONFIG_SPARSEMEM_STATIC=y +CONFIG_SPLIT_PTLOCK_CPUS=4 +# CONFIG_RESOURCES_64BIT is not set +CONFIG_ZONE_DMA_FLAG=0 +CONFIG_NR_QUICK=2 + +# +# Cache configuration +# +# CONFIG_SH_DIRECT_MAPPED is not set +# CONFIG_SH_WRITETHROUGH is not set +# CONFIG_SH_OCRAM is not set + +# +# Processor features +# +CONFIG_CPU_LITTLE_ENDIAN=y +# CONFIG_CPU_BIG_ENDIAN is not set +CONFIG_SH_FPU=y +# CONFIG_SH_DSP is not set +CONFIG_SH_STORE_QUEUES=y +CONFIG_SPECULATIVE_EXECUTION=y +CONFIG_CPU_HAS_INTEVT=y +CONFIG_CPU_HAS_INTC2_IRQ=y +CONFIG_CPU_HAS_SR_RB=y + +# +# Board support +# +# CONFIG_SH_7780_SOLUTION_ENGINE is not set +CONFIG_SH_HIGHLANDER=y +# CONFIG_SH_R7780RP is not set +CONFIG_SH_R7780MP=y +# CONFIG_SH_R7785RP is not set + +# +# Timer and clock configuration +# +CONFIG_SH_TMU=y +CONFIG_SH_TIMER_IRQ=28 +CONFIG_SH_PCLK_FREQ=32000000 +# CONFIG_TICK_ONESHOT is not set +# CONFIG_NO_HZ is not set +# CONFIG_HIGH_RES_TIMERS is not set + +# +# CPU Frequency scaling +# +# CONFIG_CPU_FREQ is not set + +# +# DMA support +# +# CONFIG_SH_DMA is not set + +# +# Companion Chips +# +# CONFIG_HD6446X_SERIES is not set + +# +# Additional SuperH Device Drivers +# +# CONFIG_HEARTBEAT is not set +CONFIG_PUSH_SWITCH=y + +# +# Kernel features +# +# CONFIG_HZ_100 is not set +CONFIG_HZ_250=y +# CONFIG_HZ_300 is not set +# CONFIG_HZ_1000 is not set +CONFIG_HZ=250 +CONFIG_KEXEC=y +# CONFIG_CRASH_DUMP is not set +# CONFIG_SMP is not set +# CONFIG_PREEMPT_NONE is not set +# CONFIG_PREEMPT_VOLUNTARY is not set +CONFIG_PREEMPT=y +CONFIG_PREEMPT_BKL=y + +# +# Boot options +# +CONFIG_ZERO_PAGE_OFFSET=0x00001000 +CONFIG_BOOT_LINK_OFFSET=0x00800000 +# CONFIG_UBC_WAKEUP is not set +CONFIG_CMDLINE_BOOL=y +CONFIG_CMDLINE="console=ttySC0,115200 root=/dev/sda1" + +# +# Bus options +# +CONFIG_PCI=y +CONFIG_SH_PCIDMA_NONCOHERENT=y +CONFIG_PCI_AUTO=y +CONFIG_PCI_AUTO_UPDATE_RESOURCES=y +# CONFIG_ARCH_SUPPORTS_MSI is not set +# CONFIG_PCI_DEBUG is not set + +# +# PCCARD (PCMCIA/CardBus) support +# +# CONFIG_PCCARD is not set +# CONFIG_HOTPLUG_PCI is not set + +# +# Executable file formats +# +CONFIG_BINFMT_ELF=y +# CONFIG_BINFMT_MISC is not set + +# +# Power management options (EXPERIMENTAL) +# +# CONFIG_PM is not set + +# +# Networking +# +CONFIG_NET=y + +# +# Networking options +# +CONFIG_PACKET=y +# CONFIG_PACKET_MMAP is not set +CONFIG_UNIX=y +CONFIG_XFRM=y +# CONFIG_XFRM_USER is not set +# CONFIG_XFRM_SUB_POLICY is not set +# CONFIG_XFRM_MIGRATE is not set +# CONFIG_NET_KEY is not set +CONFIG_INET=y +# CONFIG_IP_MULTICAST is not set +CONFIG_IP_ADVANCED_ROUTER=y +CONFIG_ASK_IP_FIB_HASH=y +# CONFIG_IP_FIB_TRIE is not set +CONFIG_IP_FIB_HASH=y +# CONFIG_IP_MULTIPLE_TABLES is not set +# CONFIG_IP_ROUTE_MULTIPATH is not set +# CONFIG_IP_ROUTE_VERBOSE is not set +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +# CONFIG_IP_PNP_BOOTP is not set +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_ARPD is not set +# CONFIG_SYN_COOKIES is not set +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_XFRM_TUNNEL is not set +# CONFIG_INET_TUNNEL is not set +CONFIG_INET_XFRM_MODE_TRANSPORT=y +CONFIG_INET_XFRM_MODE_TUNNEL=y +CONFIG_INET_XFRM_MODE_BEET=y +CONFIG_INET_DIAG=y +CONFIG_INET_TCP_DIAG=y +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set +# CONFIG_IPV6 is not set +# CONFIG_INET6_XFRM_TUNNEL is not set +# CONFIG_INET6_TUNNEL is not set +# CONFIG_NETWORK_SECMARK is not set +# CONFIG_NETFILTER is not set +# CONFIG_IP_DCCP is not set +# CONFIG_IP_SCTP is not set +# CONFIG_TIPC is not set +# CONFIG_ATM is not set +CONFIG_BRIDGE=m +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +CONFIG_LLC=m +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set + +# +# QoS and/or fair queueing +# +# CONFIG_NET_SCHED is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_HAMRADIO is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_AF_RXRPC is not set + +# +# Wireless +# +# CONFIG_CFG80211 is not set +CONFIG_WIRELESS_EXT=y +# CONFIG_MAC80211 is not set +# CONFIG_IEEE80211 is not set +# CONFIG_RFKILL is not set + +# +# Device Drivers +# + +# +# Generic Driver Options +# +CONFIG_STANDALONE=y +CONFIG_PREVENT_FIRMWARE_BUILD=y +CONFIG_FW_LOADER=m +# CONFIG_DEBUG_DRIVER is not set +# CONFIG_DEBUG_DEVRES is not set +# CONFIG_SYS_HYPERVISOR is not set + +# +# Connector - unified userspace <-> kernelspace linker +# +# CONFIG_CONNECTOR is not set +# CONFIG_MTD is not set + +# +# Parallel port support +# +# CONFIG_PARPORT is not set + +# +# Plug and Play support +# +# CONFIG_PNPACPI is not set + +# +# Block devices +# +# CONFIG_BLK_CPQ_DA is not set +# CONFIG_BLK_CPQ_CISS_DA is not set +# CONFIG_BLK_DEV_DAC960 is not set +# CONFIG_BLK_DEV_UMEM is not set +# CONFIG_BLK_DEV_COW_COMMON is not set +# CONFIG_BLK_DEV_LOOP is not set +# CONFIG_BLK_DEV_NBD is not set +# CONFIG_BLK_DEV_SX8 is not set +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=16 +CONFIG_BLK_DEV_RAM_SIZE=4096 +CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 +# CONFIG_CDROM_PKTCDVD is not set +# CONFIG_ATA_OVER_ETH is not set + +# +# Misc devices +# +# CONFIG_PHANTOM is not set +# CONFIG_SGI_IOC4 is not set +# CONFIG_TIFM_CORE is not set +# CONFIG_BLINK is not set +# CONFIG_IDE is not set + +# +# SCSI device support +# +# CONFIG_RAID_ATTRS is not set +CONFIG_SCSI=y +# CONFIG_SCSI_TGT is not set +# CONFIG_SCSI_NETLINK is not set +CONFIG_SCSI_PROC_FS=y + +# +# SCSI support type (disk, tape, CD-ROM) +# +CONFIG_BLK_DEV_SD=y +# CONFIG_CHR_DEV_ST is not set +# CONFIG_CHR_DEV_OSST is not set +# CONFIG_BLK_DEV_SR is not set +CONFIG_CHR_DEV_SG=m +# CONFIG_CHR_DEV_SCH is not set + +# +# Some SCSI devices (e.g. CD jukebox) support multiple LUNs +# +# CONFIG_SCSI_MULTI_LUN is not set +# CONFIG_SCSI_CONSTANTS is not set +# CONFIG_SCSI_LOGGING is not set +# CONFIG_SCSI_SCAN_ASYNC is not set +CONFIG_SCSI_WAIT_SCAN=m + +# +# SCSI Transports +# +# CONFIG_SCSI_SPI_ATTRS is not set +# CONFIG_SCSI_FC_ATTRS is not set +# CONFIG_SCSI_ISCSI_ATTRS is not set +# CONFIG_SCSI_SAS_ATTRS is not set +# CONFIG_SCSI_SAS_LIBSAS is not set + +# +# SCSI low-level drivers +# +# CONFIG_ISCSI_TCP is not set +# CONFIG_BLK_DEV_3W_XXXX_RAID is not set +# CONFIG_SCSI_3W_9XXX is not set +# CONFIG_SCSI_ACARD is not set +# CONFIG_SCSI_AACRAID is not set +# CONFIG_SCSI_AIC7XXX is not set +# CONFIG_SCSI_AIC7XXX_OLD is not set +# CONFIG_SCSI_AIC79XX is not set +# CONFIG_SCSI_AIC94XX is not set +# CONFIG_SCSI_DPT_I2O is not set +# CONFIG_SCSI_ARCMSR is not set +# CONFIG_MEGARAID_NEWGEN is not set +# CONFIG_MEGARAID_LEGACY is not set +# CONFIG_MEGARAID_SAS is not set +# CONFIG_SCSI_HPTIOP is not set +# CONFIG_SCSI_DMX3191D is not set +# CONFIG_SCSI_FUTURE_DOMAIN is not set +# CONFIG_SCSI_IPS is not set +# CONFIG_SCSI_INITIO is not set +# CONFIG_SCSI_INIA100 is not set +# CONFIG_SCSI_STEX is not set +# CONFIG_SCSI_SYM53C8XX_2 is not set +# CONFIG_SCSI_IPR is not set +# CONFIG_SCSI_QLOGIC_1280 is not set +# CONFIG_SCSI_QLA_FC is not set +# CONFIG_SCSI_QLA_ISCSI is not set +# CONFIG_SCSI_LPFC is not set +# CONFIG_SCSI_DC395x is not set +# CONFIG_SCSI_DC390T is not set +# CONFIG_SCSI_NSP32 is not set +# CONFIG_SCSI_DEBUG is not set +# CONFIG_SCSI_SRP is not set +CONFIG_ATA=y +# CONFIG_ATA_NONSTANDARD is not set +# CONFIG_SATA_AHCI is not set +# CONFIG_SATA_SVW is not set +# CONFIG_ATA_PIIX is not set +# CONFIG_SATA_MV is not set +# CONFIG_SATA_NV is not set +# CONFIG_PDC_ADMA is not set +# CONFIG_SATA_QSTOR is not set +# CONFIG_SATA_PROMISE is not set +# CONFIG_SATA_SX4 is not set +CONFIG_SATA_SIL=y +# CONFIG_SATA_SIL24 is not set +# CONFIG_SATA_SIS is not set +# CONFIG_SATA_ULI is not set +# CONFIG_SATA_VIA is not set +# CONFIG_SATA_VITESSE is not set +# CONFIG_SATA_INIC162X is not set +# CONFIG_PATA_ALI is not set +# CONFIG_PATA_AMD is not set +# CONFIG_PATA_ARTOP is not set +# CONFIG_PATA_ATIIXP is not set +# CONFIG_PATA_CMD640_PCI is not set +# CONFIG_PATA_CMD64X is not set +# CONFIG_PATA_CS5520 is not set +# CONFIG_PATA_CS5530 is not set +# CONFIG_PATA_CYPRESS is not set +# CONFIG_PATA_EFAR is not set +# CONFIG_ATA_GENERIC is not set +# CONFIG_PATA_HPT366 is not set +# CONFIG_PATA_HPT37X is not set +# CONFIG_PATA_HPT3X2N is not set +# CONFIG_PATA_HPT3X3 is not set +# CONFIG_PATA_IT821X is not set +# CONFIG_PATA_IT8213 is not set +# CONFIG_PATA_JMICRON is not set +# CONFIG_PATA_TRIFLEX is not set +# CONFIG_PATA_MARVELL is not set +# CONFIG_PATA_MPIIX is not set +# CONFIG_PATA_OLDPIIX is not set +# CONFIG_PATA_NETCELL is not set +# CONFIG_PATA_NS87410 is not set +# CONFIG_PATA_OPTI is not set +# CONFIG_PATA_OPTIDMA is not set +# CONFIG_PATA_PDC_OLD is not set +# CONFIG_PATA_RADISYS is not set +# CONFIG_PATA_RZ1000 is not set +# CONFIG_PATA_SC1200 is not set +# CONFIG_PATA_SERVERWORKS is not set +# CONFIG_PATA_PDC2027X is not set +# CONFIG_PATA_SIL680 is not set +# CONFIG_PATA_SIS is not set +# CONFIG_PATA_VIA is not set +# CONFIG_PATA_WINBOND is not set +CONFIG_PATA_PLATFORM=y + +# +# Multi-device support (RAID and LVM) +# +# CONFIG_MD is not set + +# +# Fusion MPT device support +# +# CONFIG_FUSION is not set +# CONFIG_FUSION_SPI is not set +# CONFIG_FUSION_FC is not set +# CONFIG_FUSION_SAS is not set + +# +# IEEE 1394 (FireWire) support +# +# CONFIG_FIREWIRE is not set +# CONFIG_IEEE1394 is not set + +# +# I2O device support +# +# CONFIG_I2O is not set + +# +# Network device support +# +CONFIG_NETDEVICES=y +# CONFIG_DUMMY is not set +# CONFIG_BONDING is not set +# CONFIG_EQUALIZER is not set +# CONFIG_TUN is not set +# CONFIG_ARCNET is not set +# CONFIG_PHYLIB is not set + +# +# Ethernet (10 or 100Mbit) +# +CONFIG_NET_ETHERNET=y +CONFIG_MII=y +# CONFIG_STNIC is not set +# CONFIG_HAPPYMEAL is not set +# CONFIG_SUNGEM is not set +# CONFIG_CASSINI is not set +# CONFIG_NET_VENDOR_3COM is not set +# CONFIG_SMC91X is not set + +# +# Tulip family network device support +# +# CONFIG_NET_TULIP is not set +# CONFIG_HP100 is not set +CONFIG_NET_PCI=y +CONFIG_PCNET32=m +# CONFIG_PCNET32_NAPI is not set +# CONFIG_AMD8111_ETH is not set +# CONFIG_ADAPTEC_STARFIRE is not set +# CONFIG_B44 is not set +# CONFIG_FORCEDETH is not set +# CONFIG_DGRS is not set +# CONFIG_EEPRO100 is not set +# CONFIG_E100 is not set +# CONFIG_FEALNX is not set +# CONFIG_NATSEMI is not set +# CONFIG_NE2K_PCI is not set +CONFIG_8139CP=m +CONFIG_8139TOO=m +# CONFIG_8139TOO_PIO is not set +# CONFIG_8139TOO_TUNE_TWISTER is not set +CONFIG_8139TOO_8129=y +# CONFIG_8139_OLD_RX_RESET is not set +# CONFIG_SIS900 is not set +# CONFIG_EPIC100 is not set +# CONFIG_SUNDANCE is not set +# CONFIG_TLAN is not set +CONFIG_VIA_RHINE=m +CONFIG_VIA_RHINE_MMIO=y +# CONFIG_VIA_RHINE_NAPI is not set +# CONFIG_SC92031 is not set +CONFIG_NETDEV_1000=y +# CONFIG_ACENIC is not set +# CONFIG_DL2K is not set +CONFIG_E1000=m +# CONFIG_E1000_NAPI is not set +# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set +# CONFIG_NS83820 is not set +# CONFIG_HAMACHI is not set +# CONFIG_YELLOWFIN is not set +CONFIG_R8169=y +# CONFIG_R8169_NAPI is not set +# CONFIG_SIS190 is not set +# CONFIG_SKGE is not set +# CONFIG_SKY2 is not set +# CONFIG_SK98LIN is not set +# CONFIG_VIA_VELOCITY is not set +# CONFIG_TIGON3 is not set +# CONFIG_BNX2 is not set +# CONFIG_QLA3XXX is not set +# CONFIG_ATL1 is not set +CONFIG_NETDEV_10000=y +# CONFIG_CHELSIO_T1 is not set +# CONFIG_CHELSIO_T3 is not set +# CONFIG_IXGB is not set +# CONFIG_S2IO is not set +# CONFIG_MYRI10GE is not set +# CONFIG_NETXEN_NIC is not set +# CONFIG_MLX4_CORE is not set +# CONFIG_TR is not set + +# +# Wireless LAN +# +# CONFIG_WLAN_PRE80211 is not set +# CONFIG_WLAN_80211 is not set +# CONFIG_WAN is not set +# CONFIG_FDDI is not set +# CONFIG_HIPPI is not set +# CONFIG_PPP is not set +# CONFIG_SLIP is not set +# CONFIG_NET_FC is not set +# CONFIG_SHAPER is not set +# CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set + +# +# ISDN subsystem +# +# CONFIG_ISDN is not set + +# +# Telephony Support +# +# CONFIG_PHONE is not set + +# +# Input device support +# +CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set + +# +# Userland interfaces +# +CONFIG_INPUT_MOUSEDEV=y +# CONFIG_INPUT_MOUSEDEV_PSAUX is not set +CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024 +CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 +# CONFIG_INPUT_JOYDEV is not set +# CONFIG_INPUT_TSDEV is not set +# CONFIG_INPUT_EVDEV is not set +# CONFIG_INPUT_EVBUG is not set + +# +# Input Device Drivers +# +CONFIG_INPUT_KEYBOARD=y +CONFIG_KEYBOARD_ATKBD=y +# CONFIG_KEYBOARD_SUNKBD is not set +# CONFIG_KEYBOARD_LKKBD is not set +# CONFIG_KEYBOARD_XTKBD is not set +# CONFIG_KEYBOARD_NEWTON is not set +# CONFIG_KEYBOARD_STOWAWAY is not set +# CONFIG_INPUT_MOUSE is not set +# CONFIG_INPUT_JOYSTICK is not set +# CONFIG_INPUT_TABLET is not set +# CONFIG_INPUT_TOUCHSCREEN is not set +# CONFIG_INPUT_MISC is not set + +# +# Hardware I/O ports +# +CONFIG_SERIO=y +# CONFIG_SERIO_I8042 is not set +# CONFIG_SERIO_SERPORT is not set +# CONFIG_SERIO_PCIPS2 is not set +CONFIG_SERIO_LIBPS2=y +# CONFIG_SERIO_RAW is not set +# CONFIG_GAMEPORT is not set + +# +# Character devices +# +# CONFIG_VT is not set +# CONFIG_SERIAL_NONSTANDARD is not set + +# +# Serial drivers +# +# CONFIG_SERIAL_8250 is not set + +# +# Non-8250 serial port support +# +CONFIG_SERIAL_SH_SCI=y +CONFIG_SERIAL_SH_SCI_NR_UARTS=2 +CONFIG_SERIAL_SH_SCI_CONSOLE=y +CONFIG_SERIAL_CORE=y +CONFIG_SERIAL_CORE_CONSOLE=y +# CONFIG_SERIAL_JSM is not set +CONFIG_UNIX98_PTYS=y +CONFIG_LEGACY_PTYS=y +CONFIG_LEGACY_PTY_COUNT=256 + +# +# IPMI +# +# CONFIG_IPMI_HANDLER is not set +# CONFIG_WATCHDOG is not set +CONFIG_HW_RANDOM=y +# CONFIG_R3964 is not set +# CONFIG_APPLICOM is not set +# CONFIG_DRM is not set +# CONFIG_RAW_DRIVER is not set + +# +# TPM devices +# +# CONFIG_TCG_TPM is not set +CONFIG_DEVPORT=y +# CONFIG_I2C is not set + +# +# SPI support +# +# CONFIG_SPI is not set +# CONFIG_SPI_MASTER is not set + +# +# Dallas's 1-wire bus +# +# CONFIG_W1 is not set +CONFIG_HWMON=y +# CONFIG_HWMON_VID is not set +# CONFIG_SENSORS_ABITUGURU is not set +# CONFIG_SENSORS_F71805F is not set +# CONFIG_SENSORS_PC87427 is not set +# CONFIG_SENSORS_SMSC47M1 is not set +# CONFIG_SENSORS_SMSC47B397 is not set +# CONFIG_SENSORS_VT1211 is not set +# CONFIG_SENSORS_W83627HF is not set +# CONFIG_HWMON_DEBUG_CHIP is not set + +# +# Multifunction device drivers +# +# CONFIG_MFD_SM501 is not set + +# +# Multimedia devices +# +# CONFIG_VIDEO_DEV is not set +# CONFIG_DVB_CORE is not set +CONFIG_DAB=y + +# +# Graphics support +# +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set + +# +# Display device support +# +# CONFIG_DISPLAY_SUPPORT is not set +# CONFIG_VGASTATE is not set +# CONFIG_FB is not set + +# +# Sound +# +CONFIG_SOUND=m + +# +# Advanced Linux Sound Architecture +# +# CONFIG_SND is not set + +# +# Open Sound System +# +CONFIG_SOUND_PRIME=m +# CONFIG_OSS_OBSOLETE is not set +# CONFIG_SOUND_TRIDENT is not set +# CONFIG_SOUND_MSNDCLAS is not set +# CONFIG_SOUND_MSNDPIN is not set + +# +# HID Devices +# +CONFIG_HID=y +# CONFIG_HID_DEBUG is not set + +# +# USB support +# +CONFIG_USB_ARCH_HAS_HCD=y +CONFIG_USB_ARCH_HAS_OHCI=y +CONFIG_USB_ARCH_HAS_EHCI=y +# CONFIG_USB is not set + +# +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# + +# +# USB Gadget Support +# +# CONFIG_USB_GADGET is not set +# CONFIG_MMC is not set + +# +# LED devices +# +# CONFIG_NEW_LEDS is not set + +# +# LED drivers +# + +# +# LED Triggers +# + +# +# InfiniBand support +# +# CONFIG_INFINIBAND is not set + +# +# EDAC - error detection and reporting (RAS) (EXPERIMENTAL) +# + +# +# Real Time Clock +# +CONFIG_RTC_LIB=y +CONFIG_RTC_CLASS=y +CONFIG_RTC_HCTOSYS=y +CONFIG_RTC_HCTOSYS_DEVICE="rtc0" +# CONFIG_RTC_DEBUG is not set + +# +# RTC interfaces +# +CONFIG_RTC_INTF_SYSFS=y +CONFIG_RTC_INTF_PROC=y +CONFIG_RTC_INTF_DEV=y +# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set +# CONFIG_RTC_DRV_TEST is not set + +# +# I2C RTC drivers +# + +# +# SPI RTC drivers +# + +# +# Platform RTC drivers +# +# CONFIG_RTC_DRV_DS1553 is not set +# CONFIG_RTC_DRV_DS1742 is not set +# CONFIG_RTC_DRV_M48T86 is not set +# CONFIG_RTC_DRV_V3020 is not set + +# +# on-CPU RTC drivers +# +CONFIG_RTC_DRV_SH=y + +# +# DMA Engine support +# +# CONFIG_DMA_ENGINE is not set + +# +# DMA Clients +# + +# +# DMA Devices +# + +# +# File systems +# +CONFIG_EXT2_FS=y +# CONFIG_EXT2_FS_XATTR is not set +# CONFIG_EXT2_FS_XIP is not set +CONFIG_EXT3_FS=y +CONFIG_EXT3_FS_XATTR=y +# CONFIG_EXT3_FS_POSIX_ACL is not set +# CONFIG_EXT3_FS_SECURITY is not set +# CONFIG_EXT4DEV_FS is not set +CONFIG_JBD=y +# CONFIG_JBD_DEBUG is not set +CONFIG_FS_MBCACHE=y +# CONFIG_REISERFS_FS is not set +# CONFIG_JFS_FS is not set +CONFIG_FS_POSIX_ACL=y +# CONFIG_XFS_FS is not set +# CONFIG_GFS2_FS is not set +# CONFIG_OCFS2_FS is not set +CONFIG_MINIX_FS=y +# CONFIG_ROMFS_FS is not set +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y +# CONFIG_QUOTA is not set +CONFIG_DNOTIFY=y +# CONFIG_AUTOFS_FS is not set +# CONFIG_AUTOFS4_FS is not set +CONFIG_FUSE_FS=m + +# +# CD-ROM/DVD Filesystems +# +# CONFIG_ISO9660_FS is not set +# CONFIG_UDF_FS is not set + +# +# DOS/FAT/NT Filesystems +# +CONFIG_FAT_FS=y +CONFIG_MSDOS_FS=y +CONFIG_VFAT_FS=y +CONFIG_FAT_DEFAULT_CODEPAGE=437 +CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" +CONFIG_NTFS_FS=y +# CONFIG_NTFS_DEBUG is not set +CONFIG_NTFS_RW=y + +# +# Pseudo filesystems +# +CONFIG_PROC_FS=y +CONFIG_PROC_KCORE=y +CONFIG_PROC_SYSCTL=y +CONFIG_SYSFS=y +CONFIG_TMPFS=y +# CONFIG_TMPFS_POSIX_ACL is not set +CONFIG_HUGETLBFS=y +CONFIG_HUGETLB_PAGE=y +CONFIG_RAMFS=y +CONFIG_CONFIGFS_FS=m + +# +# Miscellaneous filesystems +# +# CONFIG_ADFS_FS is not set +# CONFIG_AFFS_FS is not set +# CONFIG_HFS_FS is not set +# CONFIG_HFSPLUS_FS is not set +# CONFIG_BEFS_FS is not set +# CONFIG_BFS_FS is not set +# CONFIG_EFS_FS is not set +# CONFIG_CRAMFS is not set +# CONFIG_VXFS_FS is not set +# CONFIG_HPFS_FS is not set +# CONFIG_QNX4FS_FS is not set +# CONFIG_SYSV_FS is not set +# CONFIG_UFS_FS is not set + +# +# Network File Systems +# +CONFIG_NFS_FS=y +CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set +CONFIG_NFS_V4=y +# CONFIG_NFS_DIRECTIO is not set +CONFIG_NFSD=y +CONFIG_NFSD_V3=y +# CONFIG_NFSD_V3_ACL is not set +CONFIG_NFSD_V4=y +CONFIG_NFSD_TCP=y +CONFIG_ROOT_NFS=y +CONFIG_LOCKD=y +CONFIG_LOCKD_V4=y +CONFIG_EXPORTFS=y +CONFIG_NFS_COMMON=y +CONFIG_SUNRPC=y +CONFIG_SUNRPC_GSS=y +# CONFIG_SUNRPC_BIND34 is not set +CONFIG_RPCSEC_GSS_KRB5=y +# CONFIG_RPCSEC_GSS_SPKM3 is not set +# CONFIG_SMB_FS is not set +# CONFIG_CIFS is not set +# CONFIG_NCP_FS is not set +# CONFIG_CODA_FS is not set +# CONFIG_AFS_FS is not set +# CONFIG_9P_FS is not set + +# +# Partition Types +# +# CONFIG_PARTITION_ADVANCED is not set +CONFIG_MSDOS_PARTITION=y + +# +# Native Language Support +# +CONFIG_NLS=y +CONFIG_NLS_DEFAULT="iso8859-1" +CONFIG_NLS_CODEPAGE_437=y +# CONFIG_NLS_CODEPAGE_737 is not set +# CONFIG_NLS_CODEPAGE_775 is not set +# CONFIG_NLS_CODEPAGE_850 is not set +# CONFIG_NLS_CODEPAGE_852 is not set +# CONFIG_NLS_CODEPAGE_855 is not set +# CONFIG_NLS_CODEPAGE_857 is not set +# CONFIG_NLS_CODEPAGE_860 is not set +# CONFIG_NLS_CODEPAGE_861 is not set +# CONFIG_NLS_CODEPAGE_862 is not set +# CONFIG_NLS_CODEPAGE_863 is not set +# CONFIG_NLS_CODEPAGE_864 is not set +# CONFIG_NLS_CODEPAGE_865 is not set +# CONFIG_NLS_CODEPAGE_866 is not set +# CONFIG_NLS_CODEPAGE_869 is not set +# CONFIG_NLS_CODEPAGE_936 is not set +# CONFIG_NLS_CODEPAGE_950 is not set +CONFIG_NLS_CODEPAGE_932=y +# CONFIG_NLS_CODEPAGE_949 is not set +# CONFIG_NLS_CODEPAGE_874 is not set +# CONFIG_NLS_ISO8859_8 is not set +# CONFIG_NLS_CODEPAGE_1250 is not set +# CONFIG_NLS_CODEPAGE_1251 is not set +# CONFIG_NLS_ASCII is not set +CONFIG_NLS_ISO8859_1=y +# CONFIG_NLS_ISO8859_2 is not set +# CONFIG_NLS_ISO8859_3 is not set +# CONFIG_NLS_ISO8859_4 is not set +# CONFIG_NLS_ISO8859_5 is not set +# CONFIG_NLS_ISO8859_6 is not set +# CONFIG_NLS_ISO8859_7 is not set +# CONFIG_NLS_ISO8859_9 is not set +# CONFIG_NLS_ISO8859_13 is not set +# CONFIG_NLS_ISO8859_14 is not set +# CONFIG_NLS_ISO8859_15 is not set +# CONFIG_NLS_KOI8_R is not set +# CONFIG_NLS_KOI8_U is not set +# CONFIG_NLS_UTF8 is not set + +# +# Distributed Lock Manager +# +# CONFIG_DLM is not set + +# +# Profiling support +# +CONFIG_PROFILING=y +CONFIG_OPROFILE=m + +# +# Kernel hacking +# +CONFIG_TRACE_IRQFLAGS_SUPPORT=y +# CONFIG_PRINTK_TIME is not set +CONFIG_ENABLE_MUST_CHECK=y +CONFIG_MAGIC_SYSRQ=y +# CONFIG_UNUSED_SYMBOLS is not set +CONFIG_DEBUG_FS=y +# CONFIG_HEADERS_CHECK is not set +CONFIG_DEBUG_KERNEL=y +# CONFIG_DEBUG_SHIRQ is not set +CONFIG_DETECT_SOFTLOCKUP=y +# CONFIG_SCHEDSTATS is not set +# CONFIG_TIMER_STATS is not set +# CONFIG_DEBUG_SLAB is not set +# CONFIG_DEBUG_PREEMPT is not set +# CONFIG_DEBUG_SPINLOCK is not set +# CONFIG_DEBUG_MUTEXES is not set +# CONFIG_DEBUG_LOCK_ALLOC is not set +# CONFIG_PROVE_LOCKING is not set +# CONFIG_DEBUG_SPINLOCK_SLEEP is not set +# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set +# CONFIG_DEBUG_KOBJECT is not set +CONFIG_DEBUG_BUGVERBOSE=y +CONFIG_DEBUG_INFO=y +# CONFIG_DEBUG_VM is not set +# CONFIG_DEBUG_LIST is not set +# CONFIG_FRAME_POINTER is not set +CONFIG_FORCED_INLINING=y +# CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_FAULT_INJECTION is not set +CONFIG_SH_STANDARD_BIOS=y +# CONFIG_EARLY_SCIF_CONSOLE is not set +CONFIG_EARLY_PRINTK=y +# CONFIG_DEBUG_BOOTMEM is not set +CONFIG_DEBUG_STACKOVERFLOW=y +# CONFIG_DEBUG_STACK_USAGE is not set +# CONFIG_4KSTACKS is not set +# CONFIG_SH_KGDB is not set + +# +# Security options +# +# CONFIG_KEYS is not set +# CONFIG_SECURITY is not set + +# +# Cryptographic options +# +CONFIG_CRYPTO=y +CONFIG_CRYPTO_ALGAPI=y +CONFIG_CRYPTO_BLKCIPHER=y +CONFIG_CRYPTO_HASH=y +CONFIG_CRYPTO_MANAGER=y +CONFIG_CRYPTO_HMAC=y +# CONFIG_CRYPTO_XCBC is not set +# CONFIG_CRYPTO_NULL is not set +# CONFIG_CRYPTO_MD4 is not set +CONFIG_CRYPTO_MD5=y +# CONFIG_CRYPTO_SHA1 is not set +# CONFIG_CRYPTO_SHA256 is not set +# CONFIG_CRYPTO_SHA512 is not set +# CONFIG_CRYPTO_WP512 is not set +# CONFIG_CRYPTO_TGR192 is not set +# CONFIG_CRYPTO_GF128MUL is not set +CONFIG_CRYPTO_ECB=m +CONFIG_CRYPTO_CBC=y +CONFIG_CRYPTO_PCBC=m +# CONFIG_CRYPTO_LRW is not set +# CONFIG_CRYPTO_CRYPTD is not set +CONFIG_CRYPTO_DES=y +# CONFIG_CRYPTO_FCRYPT is not set +# CONFIG_CRYPTO_BLOWFISH is not set +# CONFIG_CRYPTO_TWOFISH is not set +# CONFIG_CRYPTO_SERPENT is not set +# CONFIG_CRYPTO_AES is not set +# CONFIG_CRYPTO_CAST5 is not set +# CONFIG_CRYPTO_CAST6 is not set +# CONFIG_CRYPTO_TEA is not set +# CONFIG_CRYPTO_ARC4 is not set +# CONFIG_CRYPTO_KHAZAD is not set +# CONFIG_CRYPTO_ANUBIS is not set +# CONFIG_CRYPTO_DEFLATE is not set +# CONFIG_CRYPTO_MICHAEL_MIC is not set +# CONFIG_CRYPTO_CRC32C is not set +# CONFIG_CRYPTO_CAMELLIA is not set +# CONFIG_CRYPTO_TEST is not set + +# +# Hardware crypto devices +# + +# +# Library routines +# +CONFIG_BITREVERSE=y +# CONFIG_CRC_CCITT is not set +# CONFIG_CRC16 is not set +# CONFIG_CRC_ITU_T is not set +CONFIG_CRC32=y +# CONFIG_LIBCRC32C is not set +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +CONFIG_HAS_DMA=y diff --git a/arch/sh/configs/r7785rp_defconfig b/arch/sh/configs/r7785rp_defconfig index 0f5ec64..5c29338 100644 --- a/arch/sh/configs/r7785rp_defconfig +++ b/arch/sh/configs/r7785rp_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.21-rc3 -# Mon Mar 12 14:26:33 2007 +# Linux kernel version: 2.6.22-rc4 +# Thu Jul 12 12:33:15 2007 # CONFIG_SUPERH=y CONFIG_RWSEM_GENERIC_SPINLOCK=y @@ -11,7 +11,9 @@ CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y CONFIG_GENERIC_CALIBRATE_DELAY=y -# CONFIG_GENERIC_TIME is not set +CONFIG_GENERIC_TIME=y +CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_SYS_SUPPORTS_PCI=y CONFIG_STACKTRACE_SUPPORT=y CONFIG_LOCKDEP_SUPPORT=y # CONFIG_ARCH_HAS_ILOG2_U32 is not set @@ -43,6 +45,7 @@ CONFIG_BSD_PROCESS_ACCT=y # CONFIG_AUDIT is not set CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y +CONFIG_LOG_BUF_SHIFT=14 # CONFIG_SYSFS_DEPRECATED is not set # CONFIG_RELAY is not set # CONFIG_BLK_DEV_INITRD is not set @@ -60,13 +63,18 @@ CONFIG_BUG=y CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y # CONFIG_FUTEX is not set +CONFIG_ANON_INODES=y # CONFIG_EPOLL is not set +CONFIG_SIGNALFD=y +CONFIG_TIMERFD=y +CONFIG_EVENTFD=y CONFIG_SHMEM=y -CONFIG_SLAB=y CONFIG_VM_EVENT_COUNTERS=y +CONFIG_SLAB=y +# CONFIG_SLUB is not set +# CONFIG_SLOB is not set # CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 -# CONFIG_SLOB is not set # # Loadable module support @@ -102,55 +110,11 @@ CONFIG_DEFAULT_IOSCHED="noop" # # System type # -# CONFIG_SH_SOLUTION_ENGINE is not set -# CONFIG_SH_7751_SOLUTION_ENGINE is not set -# CONFIG_SH_7300_SOLUTION_ENGINE is not set -# CONFIG_SH_7343_SOLUTION_ENGINE is not set -# CONFIG_SH_73180_SOLUTION_ENGINE is not set -# CONFIG_SH_7751_SYSTEMH is not set -# CONFIG_SH_HP6XX is not set -# CONFIG_SH_SATURN is not set -# CONFIG_SH_DREAMCAST is not set -# CONFIG_SH_MPC1211 is not set -# CONFIG_SH_SH03 is not set -# CONFIG_SH_SECUREEDGE5410 is not set -# CONFIG_SH_HS7751RVOIP is not set -# CONFIG_SH_7710VOIPGW is not set -# CONFIG_SH_RTS7751R2D is not set -CONFIG_SH_HIGHLANDER=y -# CONFIG_SH_EDOSK7705 is not set -# CONFIG_SH_SH4202_MICRODEV is not set -# CONFIG_SH_LANDISK is not set -# CONFIG_SH_TITAN is not set -# CONFIG_SH_SHMIN is not set -# CONFIG_SH_7206_SOLUTION_ENGINE is not set -# CONFIG_SH_7619_SOLUTION_ENGINE is not set -# CONFIG_SH_UNKNOWN is not set -# CONFIG_SH_R7780RP is not set -# CONFIG_SH_R7780MP is not set -CONFIG_SH_R7785RP=y - -# -# Processor selection -# CONFIG_CPU_SH4=y CONFIG_CPU_SH4A=y CONFIG_CPU_SHX2=y - -# -# SH-2 Processor Support -# -# CONFIG_CPU_SUBTYPE_SH7604 is not set # CONFIG_CPU_SUBTYPE_SH7619 is not set - -# -# SH-2A Processor Support -# # CONFIG_CPU_SUBTYPE_SH7206 is not set - -# -# SH-3 Processor Support -# # CONFIG_CPU_SUBTYPE_SH7300 is not set # CONFIG_CPU_SUBTYPE_SH7705 is not set # CONFIG_CPU_SUBTYPE_SH7706 is not set @@ -158,10 +122,7 @@ CONFIG_CPU_SHX2=y # CONFIG_CPU_SUBTYPE_SH7708 is not set # CONFIG_CPU_SUBTYPE_SH7709 is not set # CONFIG_CPU_SUBTYPE_SH7710 is not set - -# -# SH-4 Processor Support -# +# CONFIG_CPU_SUBTYPE_SH7712 is not set # CONFIG_CPU_SUBTYPE_SH7750 is not set # CONFIG_CPU_SUBTYPE_SH7091 is not set # CONFIG_CPU_SUBTYPE_SH7750R is not set @@ -170,23 +131,12 @@ CONFIG_CPU_SHX2=y # CONFIG_CPU_SUBTYPE_SH7751R is not set # CONFIG_CPU_SUBTYPE_SH7760 is not set # CONFIG_CPU_SUBTYPE_SH4_202 is not set - -# -# ST40 Processor Support -# # CONFIG_CPU_SUBTYPE_ST40STB1 is not set # CONFIG_CPU_SUBTYPE_ST40GX1 is not set - -# -# SH-4A Processor Support -# # CONFIG_CPU_SUBTYPE_SH7770 is not set # CONFIG_CPU_SUBTYPE_SH7780 is not set CONFIG_CPU_SUBTYPE_SH7785=y - -# -# SH4AL-DSP Processor Support -# +# CONFIG_CPU_SUBTYPE_SHX3 is not set # CONFIG_CPU_SUBTYPE_SH73180 is not set # CONFIG_CPU_SUBTYPE_SH7343 is not set # CONFIG_CPU_SUBTYPE_SH7722 is not set @@ -194,6 +144,7 @@ CONFIG_CPU_SUBTYPE_SH7785=y # # Memory management options # +CONFIG_QUICKLIST=y CONFIG_MMU=y CONFIG_PAGE_OFFSET=0x80000000 CONFIG_MEMORY_START=0x08000000 @@ -201,6 +152,12 @@ CONFIG_MEMORY_SIZE=0x08000000 CONFIG_32BIT=y # CONFIG_X2TLB is not set CONFIG_VSYSCALL=y +CONFIG_ARCH_FLATMEM_ENABLE=y +CONFIG_ARCH_SPARSEMEM_ENABLE=y +CONFIG_ARCH_SPARSEMEM_DEFAULT=y +CONFIG_MAX_ACTIVE_REGIONS=1 +CONFIG_ARCH_POPULATES_NODE_MAP=y +CONFIG_ARCH_SELECT_MEMORY_MODEL=y CONFIG_PAGE_SIZE_4KB=y # CONFIG_PAGE_SIZE_8KB is not set # CONFIG_PAGE_SIZE_64KB is not set @@ -215,17 +172,17 @@ CONFIG_FLATMEM_MANUAL=y # CONFIG_SPARSEMEM_MANUAL is not set CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y -# CONFIG_SPARSEMEM_STATIC is not set +CONFIG_SPARSEMEM_STATIC=y CONFIG_SPLIT_PTLOCK_CPUS=4 # CONFIG_RESOURCES_64BIT is not set CONFIG_ZONE_DMA_FLAG=0 +CONFIG_NR_QUICK=2 # # Cache configuration # # CONFIG_SH_DIRECT_MAPPED is not set # CONFIG_SH_WRITETHROUGH is not set -# CONFIG_SH_OCRAM is not set # # Processor features @@ -241,12 +198,22 @@ CONFIG_CPU_HAS_SR_RB=y CONFIG_CPU_HAS_PTEA=y # +# Board support +# +CONFIG_SH_HIGHLANDER=y +# CONFIG_SH_R7780RP is not set +# CONFIG_SH_R7780MP is not set +CONFIG_SH_R7785RP=y + +# # Timer and clock configuration # CONFIG_SH_TMU=y CONFIG_SH_TIMER_IRQ=28 -CONFIG_NO_IDLE_HZ=y CONFIG_SH_PCLK_FREQ=50000000 +# CONFIG_TICK_ONESHOT is not set +# CONFIG_NO_HZ is not set +# CONFIG_HIGH_RES_TIMERS is not set # # CPU Frequency scaling @@ -261,7 +228,6 @@ CONFIG_SH_PCLK_FREQ=50000000 # # Companion Chips # -# CONFIG_HD6446X_SERIES is not set # # Additional SuperH Device Drivers @@ -278,7 +244,7 @@ CONFIG_HZ_250=y # CONFIG_HZ_1000 is not set CONFIG_HZ=250 CONFIG_KEXEC=y -# CONFIG_SMP is not set +# CONFIG_CRASH_DUMP is not set # CONFIG_PREEMPT_NONE is not set # CONFIG_PREEMPT_VOLUNTARY is not set CONFIG_PREEMPT=y @@ -300,31 +266,22 @@ CONFIG_PCI=y CONFIG_SH_PCIDMA_NONCOHERENT=y CONFIG_PCI_AUTO=y CONFIG_PCI_AUTO_UPDATE_RESOURCES=y +# CONFIG_ARCH_SUPPORTS_MSI is not set # CONFIG_PCI_DEBUG is not set # # PCCARD (PCMCIA/CardBus) support # # CONFIG_PCCARD is not set - -# -# PCI Hotplug Support -# # CONFIG_HOTPLUG_PCI is not set # # Executable file formats # CONFIG_BINFMT_ELF=y -# CONFIG_BINFMT_FLAT is not set # CONFIG_BINFMT_MISC is not set # -# Power management options (EXPERIMENTAL) -# -# CONFIG_PM is not set - -# # Networking # CONFIG_NET=y @@ -332,7 +289,6 @@ CONFIG_NET=y # # Networking options # -# CONFIG_NETDEBUG is not set CONFIG_PACKET=y # CONFIG_PACKET_MMAP is not set CONFIG_UNIX=y @@ -377,20 +333,8 @@ CONFIG_DEFAULT_TCP_CONG="cubic" # CONFIG_INET6_TUNNEL is not set # CONFIG_NETWORK_SECMARK is not set # CONFIG_NETFILTER is not set - -# -# DCCP Configuration (EXPERIMENTAL) -# # CONFIG_IP_DCCP is not set - -# -# SCTP Configuration (EXPERIMENTAL) -# # CONFIG_IP_SCTP is not set - -# -# TIPC Configuration (EXPERIMENTAL) -# # CONFIG_TIPC is not set # CONFIG_ATM is not set CONFIG_BRIDGE=m @@ -417,8 +361,16 @@ CONFIG_LLC=m # CONFIG_HAMRADIO is not set # CONFIG_IRDA is not set # CONFIG_BT is not set -# CONFIG_IEEE80211 is not set +# CONFIG_AF_RXRPC is not set + +# +# Wireless +# +# CONFIG_CFG80211 is not set CONFIG_WIRELESS_EXT=y +# CONFIG_MAC80211 is not set +# CONFIG_IEEE80211 is not set +# CONFIG_RFKILL is not set # # Device Drivers @@ -438,10 +390,6 @@ CONFIG_FW_LOADER=m # Connector - unified userspace <-> kernelspace linker # # CONFIG_CONNECTOR is not set - -# -# Memory Technology Devices (MTD) -# # CONFIG_MTD is not set # @@ -475,12 +423,10 @@ CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 # # Misc devices # +# CONFIG_PHANTOM is not set # CONFIG_SGI_IOC4 is not set # CONFIG_TIFM_CORE is not set - -# -# ATA/ATAPI/MFM/RLL support -# +# CONFIG_BLINK is not set # CONFIG_IDE is not set # @@ -509,6 +455,7 @@ CONFIG_CHR_DEV_SG=m # CONFIG_SCSI_CONSTANTS is not set # CONFIG_SCSI_LOGGING is not set # CONFIG_SCSI_SCAN_ASYNC is not set +CONFIG_SCSI_WAIT_SCAN=m # # SCSI Transports @@ -554,10 +501,6 @@ CONFIG_CHR_DEV_SG=m # CONFIG_SCSI_NSP32 is not set # CONFIG_SCSI_DEBUG is not set # CONFIG_SCSI_SRP is not set - -# -# Serial ATA (prod) and Parallel ATA (experimental) drivers -# CONFIG_ATA=y # CONFIG_ATA_NONSTANDARD is not set # CONFIG_SATA_AHCI is not set @@ -580,6 +523,7 @@ CONFIG_SATA_SIL=y # CONFIG_PATA_AMD is not set # CONFIG_PATA_ARTOP is not set # CONFIG_PATA_ATIIXP is not set +# CONFIG_PATA_CMD640_PCI is not set # CONFIG_PATA_CMD64X is not set # CONFIG_PATA_CS5520 is not set # CONFIG_PATA_CS5530 is not set @@ -629,6 +573,7 @@ CONFIG_PATA_PLATFORM=y # # IEEE 1394 (FireWire) support # +# CONFIG_FIREWIRE is not set # CONFIG_IEEE1394 is not set # @@ -644,15 +589,7 @@ CONFIG_NETDEVICES=y # CONFIG_BONDING is not set # CONFIG_EQUALIZER is not set # CONFIG_TUN is not set - -# -# ARCnet devices -# # CONFIG_ARCNET is not set - -# -# PHY device support -# # CONFIG_PHYLIB is not set # @@ -673,10 +610,7 @@ CONFIG_MII=y # CONFIG_NET_TULIP is not set # CONFIG_HP100 is not set # CONFIG_NET_PCI is not set - -# -# Ethernet (1000 Mbit) -# +CONFIG_NETDEV_1000=y # CONFIG_ACENIC is not set # CONFIG_DL2K is not set # CONFIG_E1000 is not set @@ -689,55 +623,26 @@ CONFIG_R8169=y # CONFIG_SKGE is not set # CONFIG_SKY2 is not set # CONFIG_SK98LIN is not set +# CONFIG_VIA_VELOCITY is not set # CONFIG_TIGON3 is not set # CONFIG_BNX2 is not set # CONFIG_QLA3XXX is not set # CONFIG_ATL1 is not set - -# -# Ethernet (10000 Mbit) -# +CONFIG_NETDEV_10000=y # CONFIG_CHELSIO_T1 is not set # CONFIG_CHELSIO_T3 is not set # CONFIG_IXGB is not set # CONFIG_S2IO is not set # CONFIG_MYRI10GE is not set # CONFIG_NETXEN_NIC is not set - -# -# Token Ring devices -# +# CONFIG_MLX4_CORE is not set # CONFIG_TR is not set # -# Wireless LAN (non-hamradio) -# -CONFIG_NET_RADIO=y -# CONFIG_NET_WIRELESS_RTNETLINK is not set - -# -# Obsolete Wireless cards support (pre-802.11) -# -# CONFIG_STRIP is not set - -# -# Wireless 802.11b ISA/PCI cards support -# -# CONFIG_IPW2100 is not set -# CONFIG_IPW2200 is not set -# CONFIG_HERMES is not set -# CONFIG_ATMEL is not set - -# -# Prism GT/Duette 802.11(a/b/g) PCI/Cardbus support -# -# CONFIG_PRISM54 is not set -# CONFIG_HOSTAP is not set -CONFIG_NET_WIRELESS=y - -# -# Wan interfaces +# Wireless LAN # +# CONFIG_WLAN_PRE80211 is not set +# CONFIG_WLAN_80211 is not set # CONFIG_WAN is not set # CONFIG_FDDI is not set # CONFIG_HIPPI is not set @@ -789,6 +694,7 @@ CONFIG_KEYBOARD_ATKBD=y # CONFIG_KEYBOARD_STOWAWAY is not set # CONFIG_INPUT_MOUSE is not set # CONFIG_INPUT_JOYSTICK is not set +# CONFIG_INPUT_TABLET is not set # CONFIG_INPUT_TOUCHSCREEN is not set # CONFIG_INPUT_MISC is not set @@ -831,14 +737,8 @@ CONFIG_LEGACY_PTY_COUNT=256 # IPMI # # CONFIG_IPMI_HANDLER is not set - -# -# Watchdog Cards -# # CONFIG_WATCHDOG is not set CONFIG_HW_RANDOM=y -# CONFIG_GEN_RTC is not set -# CONFIG_DTLK is not set # CONFIG_R3964 is not set # CONFIG_APPLICOM is not set # CONFIG_DRM is not set @@ -848,10 +748,7 @@ CONFIG_HW_RANDOM=y # TPM devices # # CONFIG_TCG_TPM is not set - -# -# I2C support -# +CONFIG_DEVPORT=y # CONFIG_I2C is not set # @@ -864,16 +761,15 @@ CONFIG_HW_RANDOM=y # Dallas's 1-wire bus # # CONFIG_W1 is not set - -# -# Hardware Monitoring support -# CONFIG_HWMON=y # CONFIG_HWMON_VID is not set # CONFIG_SENSORS_ABITUGURU is not set # CONFIG_SENSORS_F71805F is not set # CONFIG_SENSORS_PC87427 is not set +# CONFIG_SENSORS_SMSC47M1 is not set +# CONFIG_SENSORS_SMSC47B397 is not set # CONFIG_SENSORS_VT1211 is not set +# CONFIG_SENSORS_W83627HF is not set # CONFIG_HWMON_DEBUG_CHIP is not set # @@ -885,22 +781,30 @@ CONFIG_HWMON=y # Multimedia devices # # CONFIG_VIDEO_DEV is not set +# CONFIG_DVB_CORE is not set +# CONFIG_DAB is not set # -# Digital Video Broadcasting Devices +# Graphics support # -# CONFIG_DVB is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set # -# Graphics support +# Display device support # -# CONFIG_BACKLIGHT_LCD_SUPPORT is not set +# CONFIG_DISPLAY_SUPPORT is not set +# CONFIG_VGASTATE is not set CONFIG_FB=y # CONFIG_FIRMWARE_EDID is not set # CONFIG_FB_DDC is not set # CONFIG_FB_CFB_FILLRECT is not set # CONFIG_FB_CFB_COPYAREA is not set # CONFIG_FB_CFB_IMAGEBLIT is not set +# CONFIG_FB_SYS_FILLRECT is not set +# CONFIG_FB_SYS_COPYAREA is not set +# CONFIG_FB_SYS_IMAGEBLIT is not set +# CONFIG_FB_SYS_FOPS is not set +CONFIG_FB_DEFERRED_IO=y # CONFIG_FB_SVGALIB is not set # CONFIG_FB_MACMODES is not set # CONFIG_FB_BACKLIGHT is not set @@ -908,7 +812,7 @@ CONFIG_FB=y # CONFIG_FB_TILEBLITTING is not set # -# Frambuffer hardware drivers +# Frame buffer hardware drivers # # CONFIG_FB_CIRRUS is not set # CONFIG_FB_PM2 is not set @@ -930,12 +834,11 @@ CONFIG_FB=y # CONFIG_FB_KYRO is not set # CONFIG_FB_3DFX is not set # CONFIG_FB_VOODOO1 is not set +# CONFIG_FB_VT8623 is not set # CONFIG_FB_TRIDENT is not set +# CONFIG_FB_ARK is not set +# CONFIG_FB_PM3 is not set # CONFIG_FB_VIRTUAL is not set - -# -# Logo configuration -# # CONFIG_LOGO is not set # @@ -952,13 +855,10 @@ CONFIG_SOUND=m # Open Sound System # CONFIG_SOUND_PRIME=m -# CONFIG_OBSOLETE_OSS is not set -# CONFIG_SOUND_BT878 is not set -# CONFIG_SOUND_ICH is not set +# CONFIG_OSS_OBSOLETE is not set # CONFIG_SOUND_TRIDENT is not set # CONFIG_SOUND_MSNDCLAS is not set # CONFIG_SOUND_MSNDPIN is not set -# CONFIG_SOUND_VIA82CXXX is not set # # HID Devices @@ -982,10 +882,6 @@ CONFIG_USB_ARCH_HAS_EHCI=y # USB Gadget Support # # CONFIG_USB_GADGET is not set - -# -# MMC/SD Card support -# # CONFIG_MMC is not set # @@ -1026,18 +922,30 @@ CONFIG_RTC_INTF_SYSFS=y CONFIG_RTC_INTF_PROC=y CONFIG_RTC_INTF_DEV=y # CONFIG_RTC_INTF_DEV_UIE_EMUL is not set +# CONFIG_RTC_DRV_TEST is not set + +# +# I2C RTC drivers +# # -# RTC drivers +# SPI RTC drivers +# + +# +# Platform RTC drivers # # CONFIG_RTC_DRV_DS1553 is not set # CONFIG_RTC_DRV_DS1742 is not set # CONFIG_RTC_DRV_M48T86 is not set -CONFIG_RTC_DRV_SH=y -# CONFIG_RTC_DRV_TEST is not set # CONFIG_RTC_DRV_V3020 is not set # +# on-CPU RTC drivers +# +CONFIG_RTC_DRV_SH=y + +# # DMA Engine support # # CONFIG_DMA_ENGINE is not set @@ -1051,14 +959,6 @@ CONFIG_RTC_DRV_SH=y # # -# Auxiliary Display support -# - -# -# Virtualization -# - -# # File systems # CONFIG_EXT2_FS=y @@ -1157,6 +1057,7 @@ CONFIG_EXPORTFS=y CONFIG_NFS_COMMON=y CONFIG_SUNRPC=y CONFIG_SUNRPC_GSS=y +# CONFIG_SUNRPC_BIND34 is not set CONFIG_RPCSEC_GSS_KRB5=y # CONFIG_RPCSEC_GSS_SPKM3 is not set # CONFIG_SMB_FS is not set @@ -1239,7 +1140,6 @@ CONFIG_DEBUG_FS=y # CONFIG_HEADERS_CHECK is not set CONFIG_DEBUG_KERNEL=y # CONFIG_DEBUG_SHIRQ is not set -CONFIG_LOG_BUF_SHIFT=14 # CONFIG_DETECT_SOFTLOCKUP is not set # CONFIG_SCHEDSTATS is not set # CONFIG_TIMER_STATS is not set @@ -1266,6 +1166,7 @@ CONFIG_FORCED_INLINING=y CONFIG_SH_STANDARD_BIOS=y # CONFIG_EARLY_SCIF_CONSOLE is not set CONFIG_EARLY_PRINTK=y +# CONFIG_DEBUG_BOOTMEM is not set CONFIG_DEBUG_STACKOVERFLOW=y CONFIG_DEBUG_STACK_USAGE=y # CONFIG_4KSTACKS is not set @@ -1300,6 +1201,7 @@ CONFIG_CRYPTO_ECB=m CONFIG_CRYPTO_CBC=y CONFIG_CRYPTO_PCBC=m # CONFIG_CRYPTO_LRW is not set +# CONFIG_CRYPTO_CRYPTD is not set CONFIG_CRYPTO_DES=y # CONFIG_CRYPTO_FCRYPT is not set # CONFIG_CRYPTO_BLOWFISH is not set @@ -1328,7 +1230,9 @@ CONFIG_CRYPTO_DES=y CONFIG_BITREVERSE=y # CONFIG_CRC_CCITT is not set # CONFIG_CRC16 is not set +# CONFIG_CRC_ITU_T is not set CONFIG_CRC32=y # CONFIG_LIBCRC32C is not set CONFIG_HAS_IOMEM=y CONFIG_HAS_IOPORT=y +CONFIG_HAS_DMA=y diff --git a/arch/sh/configs/se7206_defconfig b/arch/sh/configs/se7206_defconfig index 87ab908..f2f2a3c 100644 --- a/arch/sh/configs/se7206_defconfig +++ b/arch/sh/configs/se7206_defconfig @@ -1,18 +1,22 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.19 -# Wed Dec 6 14:40:15 2006 +# Linux kernel version: 2.6.22-rc4 +# Fri Jun 15 19:37:46 2007 # CONFIG_SUPERH=y CONFIG_RWSEM_GENERIC_SPINLOCK=y +CONFIG_GENERIC_BUG=y CONFIG_GENERIC_FIND_NEXT_BIT=y CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y CONFIG_GENERIC_CALIBRATE_DELAY=y # CONFIG_GENERIC_TIME is not set +# CONFIG_GENERIC_CLOCKEVENTS is not set CONFIG_STACKTRACE_SUPPORT=y CONFIG_LOCKDEP_SUPPORT=y +# CONFIG_ARCH_HAS_ILOG2_U32 is not set +# CONFIG_ARCH_HAS_ILOG2_U64 is not set CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" # @@ -34,8 +38,10 @@ CONFIG_LOCALVERSION="" # CONFIG_UTS_NS is not set # CONFIG_AUDIT is not set # CONFIG_IKCONFIG is not set +CONFIG_LOG_BUF_SHIFT=14 +CONFIG_SYSFS_DEPRECATED=y # CONFIG_RELAY is not set -CONFIG_INITRAMFS_SOURCE="" +# CONFIG_BLK_DEV_INITRD is not set CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_SYSCTL=y CONFIG_EMBEDDED=y @@ -48,12 +54,17 @@ CONFIG_BUG=y # CONFIG_ELF_CORE is not set # CONFIG_BASE_FULL is not set # CONFIG_FUTEX is not set +CONFIG_ANON_INODES=y # CONFIG_EPOLL is not set -CONFIG_SLAB=y +CONFIG_SIGNALFD=y +CONFIG_TIMERFD=y +CONFIG_EVENTFD=y # CONFIG_VM_EVENT_COUNTERS is not set +CONFIG_SLAB=y +# CONFIG_SLUB is not set +# CONFIG_SLOB is not set CONFIG_TINY_SHMEM=y CONFIG_BASE_SMALL=1 -# CONFIG_SLOB is not set # # Loadable module support @@ -83,53 +94,10 @@ CONFIG_DEFAULT_IOSCHED="noop" # # System type # -# CONFIG_SH_SOLUTION_ENGINE is not set -# CONFIG_SH_7751_SOLUTION_ENGINE is not set -# CONFIG_SH_7300_SOLUTION_ENGINE is not set -# CONFIG_SH_7343_SOLUTION_ENGINE is not set -# CONFIG_SH_73180_SOLUTION_ENGINE is not set -# CONFIG_SH_7751_SYSTEMH is not set -# CONFIG_SH_HP6XX is not set -# CONFIG_SH_EC3104 is not set -# CONFIG_SH_SATURN is not set -# CONFIG_SH_DREAMCAST is not set -# CONFIG_SH_BIGSUR is not set -# CONFIG_SH_MPC1211 is not set -# CONFIG_SH_SH03 is not set -# CONFIG_SH_SECUREEDGE5410 is not set -# CONFIG_SH_HS7751RVOIP is not set -# CONFIG_SH_7710VOIPGW is not set -# CONFIG_SH_RTS7751R2D is not set -# CONFIG_SH_R7780RP is not set -# CONFIG_SH_EDOSK7705 is not set -# CONFIG_SH_SH4202_MICRODEV is not set -# CONFIG_SH_LANDISK is not set -# CONFIG_SH_TITAN is not set -# CONFIG_SH_SHMIN is not set -CONFIG_SH_7206_SOLUTION_ENGINE=y -# CONFIG_SH_7619_SOLUTION_ENGINE is not set -# CONFIG_SH_UNKNOWN is not set - -# -# Processor selection -# CONFIG_CPU_SH2=y CONFIG_CPU_SH2A=y - -# -# SH-2 Processor Support -# -# CONFIG_CPU_SUBTYPE_SH7604 is not set # CONFIG_CPU_SUBTYPE_SH7619 is not set - -# -# SH-2A Processor Support -# CONFIG_CPU_SUBTYPE_SH7206=y - -# -# SH-3 Processor Support -# # CONFIG_CPU_SUBTYPE_SH7300 is not set # CONFIG_CPU_SUBTYPE_SH7705 is not set # CONFIG_CPU_SUBTYPE_SH7706 is not set @@ -137,10 +105,7 @@ CONFIG_CPU_SUBTYPE_SH7206=y # CONFIG_CPU_SUBTYPE_SH7708 is not set # CONFIG_CPU_SUBTYPE_SH7709 is not set # CONFIG_CPU_SUBTYPE_SH7710 is not set - -# -# SH-4 Processor Support -# +# CONFIG_CPU_SUBTYPE_SH7712 is not set # CONFIG_CPU_SUBTYPE_SH7750 is not set # CONFIG_CPU_SUBTYPE_SH7091 is not set # CONFIG_CPU_SUBTYPE_SH7750R is not set @@ -149,32 +114,28 @@ CONFIG_CPU_SUBTYPE_SH7206=y # CONFIG_CPU_SUBTYPE_SH7751R is not set # CONFIG_CPU_SUBTYPE_SH7760 is not set # CONFIG_CPU_SUBTYPE_SH4_202 is not set - -# -# ST40 Processor Support -# # CONFIG_CPU_SUBTYPE_ST40STB1 is not set # CONFIG_CPU_SUBTYPE_ST40GX1 is not set - -# -# SH-4A Processor Support -# # CONFIG_CPU_SUBTYPE_SH7770 is not set # CONFIG_CPU_SUBTYPE_SH7780 is not set # CONFIG_CPU_SUBTYPE_SH7785 is not set - -# -# SH4AL-DSP Processor Support -# # CONFIG_CPU_SUBTYPE_SH73180 is not set # CONFIG_CPU_SUBTYPE_SH7343 is not set +# CONFIG_CPU_SUBTYPE_SH7722 is not set # # Memory management options # +CONFIG_QUICKLIST=y CONFIG_PAGE_OFFSET=0x00000000 CONFIG_MEMORY_START=0x0c000000 CONFIG_MEMORY_SIZE=0x04000000 +CONFIG_ARCH_FLATMEM_ENABLE=y +CONFIG_ARCH_SPARSEMEM_ENABLE=y +CONFIG_ARCH_SPARSEMEM_DEFAULT=y +CONFIG_MAX_ACTIVE_REGIONS=1 +CONFIG_ARCH_POPULATES_NODE_MAP=y +CONFIG_ARCH_SELECT_MEMORY_MODEL=y CONFIG_PAGE_SIZE_4KB=y # CONFIG_PAGE_SIZE_8KB is not set # CONFIG_PAGE_SIZE_64KB is not set @@ -184,35 +145,42 @@ CONFIG_FLATMEM_MANUAL=y # CONFIG_SPARSEMEM_MANUAL is not set CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y -# CONFIG_SPARSEMEM_STATIC is not set +CONFIG_SPARSEMEM_STATIC=y CONFIG_SPLIT_PTLOCK_CPUS=4 # CONFIG_RESOURCES_64BIT is not set +CONFIG_ZONE_DMA_FLAG=0 +CONFIG_NR_QUICK=2 # # Cache configuration # # CONFIG_SH_DIRECT_MAPPED is not set # CONFIG_SH_WRITETHROUGH is not set -# CONFIG_SH_OCRAM is not set # # Processor features # # CONFIG_CPU_LITTLE_ENDIAN is not set CONFIG_CPU_BIG_ENDIAN=y -# CONFIG_SH_FPU is not set # CONFIG_SH_FPU_EMU is not set # CONFIG_SH_DSP is not set +CONFIG_CPU_HAS_IPR_IRQ=y + +# +# Board support +# +CONFIG_SOLUTION_ENGINE=y +CONFIG_SH_7206_SOLUTION_ENGINE=y # -# Timer support +# Timer and clock configuration # CONFIG_SH_CMT=y # CONFIG_SH_MTU2 is not set CONFIG_SH_TIMER_IRQ=140 -# CONFIG_NO_IDLE_HZ is not set CONFIG_SH_PCLK_FREQ=33333333 CONFIG_SH_CLK_MD=6 +# CONFIG_TICK_ONESHOT is not set # # CPU Frequency scaling @@ -227,11 +195,11 @@ CONFIG_SH_CLK_MD=6 # # Companion Chips # -# CONFIG_HD6446X_SERIES is not set # # Additional SuperH Device Drivers # +# CONFIG_HEARTBEAT is not set # CONFIG_PUSH_SWITCH is not set # @@ -239,10 +207,11 @@ CONFIG_SH_CLK_MD=6 # CONFIG_HZ_100=y # CONFIG_HZ_250 is not set +# CONFIG_HZ_300 is not set # CONFIG_HZ_1000 is not set CONFIG_HZ=100 # CONFIG_KEXEC is not set -# CONFIG_SMP is not set +# CONFIG_CRASH_DUMP is not set CONFIG_PREEMPT_NONE=y # CONFIG_PREEMPT_VOLUNTARY is not set # CONFIG_PREEMPT is not set @@ -252,23 +221,18 @@ CONFIG_PREEMPT_NONE=y # CONFIG_ZERO_PAGE_OFFSET=0x00001000 CONFIG_BOOT_LINK_OFFSET=0x00800000 -# CONFIG_UBC_WAKEUP is not set # CONFIG_CMDLINE_BOOL is not set # # Bus options # -# CONFIG_PCI is not set +# CONFIG_ARCH_SUPPORTS_MSI is not set # # PCCARD (PCMCIA/CardBus) support # # -# PCI Hotplug Support -# - -# # Executable file formats # CONFIG_BINFMT_FLAT=y @@ -277,11 +241,6 @@ CONFIG_BINFMT_ZFLAT=y # CONFIG_BINFMT_MISC is not set # -# Power management options (EXPERIMENTAL) -# -# CONFIG_PM is not set - -# # Networking # CONFIG_NET=y @@ -289,7 +248,6 @@ CONFIG_NET=y # # Networking options # -# CONFIG_NETDEBUG is not set # CONFIG_PACKET is not set # CONFIG_UNIX is not set # CONFIG_NET_KEY is not set @@ -314,25 +272,14 @@ CONFIG_IP_FIB_HASH=y # CONFIG_TCP_CONG_ADVANCED is not set CONFIG_TCP_CONG_CUBIC=y CONFIG_DEFAULT_TCP_CONG="cubic" +# CONFIG_TCP_MD5SIG is not set # CONFIG_IPV6 is not set # CONFIG_INET6_XFRM_TUNNEL is not set # CONFIG_INET6_TUNNEL is not set # CONFIG_NETWORK_SECMARK is not set # CONFIG_NETFILTER is not set - -# -# DCCP Configuration (EXPERIMENTAL) -# # CONFIG_IP_DCCP is not set - -# -# SCTP Configuration (EXPERIMENTAL) -# # CONFIG_IP_SCTP is not set - -# -# TIPC Configuration (EXPERIMENTAL) -# # CONFIG_TIPC is not set # CONFIG_ATM is not set # CONFIG_BRIDGE is not set @@ -358,7 +305,16 @@ CONFIG_DEFAULT_TCP_CONG="cubic" # CONFIG_HAMRADIO is not set # CONFIG_IRDA is not set # CONFIG_BT is not set +# CONFIG_AF_RXRPC is not set + +# +# Wireless +# +# CONFIG_CFG80211 is not set +# CONFIG_WIRELESS_EXT is not set +# CONFIG_MAC80211 is not set # CONFIG_IEEE80211 is not set +# CONFIG_RFKILL is not set # # Device Drivers @@ -375,10 +331,6 @@ CONFIG_DEFAULT_TCP_CONG="cubic" # Connector - unified userspace <-> kernelspace linker # # CONFIG_CONNECTOR is not set - -# -# Memory Technology Devices (MTD) -# CONFIG_MTD=y # CONFIG_MTD_DEBUG is not set CONFIG_MTD_CONCAT=y @@ -393,6 +345,7 @@ CONFIG_MTD_REDBOOT_DIRECTORY_BLOCK=-1 # User Modules And Translation Layers # CONFIG_MTD_CHAR=y +CONFIG_MTD_BLKDEVS=y CONFIG_MTD_BLOCK=y # CONFIG_FTL is not set # CONFIG_NFTL is not set @@ -424,7 +377,6 @@ CONFIG_MTD_CFI_UTIL=y # CONFIG_MTD_RAM is not set # CONFIG_MTD_ROM is not set # CONFIG_MTD_ABSENT is not set -# CONFIG_MTD_OBSOLETE_CHIPS is not set # # Mapping drivers for chip access @@ -452,16 +404,13 @@ CONFIG_MTD_PHYSMAP_BANKWIDTH=4 # CONFIG_MTD_DOC2000 is not set # CONFIG_MTD_DOC2001 is not set # CONFIG_MTD_DOC2001PLUS is not set - -# -# NAND Flash Device Drivers -# # CONFIG_MTD_NAND is not set +# CONFIG_MTD_ONENAND is not set # -# OneNAND Flash Device Drivers +# UBI - Unsorted block images # -# CONFIG_MTD_ONENAND is not set +# CONFIG_MTD_UBI is not set # # Parallel port support @@ -471,6 +420,7 @@ CONFIG_MTD_PHYSMAP_BANKWIDTH=4 # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -479,18 +429,13 @@ CONFIG_MTD_PHYSMAP_BANKWIDTH=4 # CONFIG_BLK_DEV_LOOP is not set # CONFIG_BLK_DEV_NBD is not set # CONFIG_BLK_DEV_RAM is not set -# CONFIG_BLK_DEV_INITRD is not set # CONFIG_CDROM_PKTCDVD is not set # CONFIG_ATA_OVER_ETH is not set # # Misc devices # -# CONFIG_TIFM_CORE is not set - -# -# ATA/ATAPI/MFM/RLL support -# +# CONFIG_BLINK is not set # CONFIG_IDE is not set # @@ -499,10 +444,6 @@ CONFIG_MTD_PHYSMAP_BANKWIDTH=4 # CONFIG_RAID_ATTRS is not set # CONFIG_SCSI is not set # CONFIG_SCSI_NETLINK is not set - -# -# Serial ATA (prod) and Parallel ATA (experimental) drivers -# # CONFIG_ATA is not set # @@ -511,19 +452,6 @@ CONFIG_MTD_PHYSMAP_BANKWIDTH=4 # CONFIG_MD is not set # -# Fusion MPT device support -# -# CONFIG_FUSION is not set - -# -# IEEE 1394 (FireWire) support -# - -# -# I2O device support -# - -# # Network device support # CONFIG_NETDEVICES=y @@ -531,10 +459,6 @@ CONFIG_NETDEVICES=y # CONFIG_BONDING is not set # CONFIG_EQUALIZER is not set # CONFIG_TUN is not set - -# -# PHY device support -# # CONFIG_PHYLIB is not set # @@ -544,27 +468,14 @@ CONFIG_NET_ETHERNET=y CONFIG_MII=y # CONFIG_STNIC is not set CONFIG_SMC91X=y +CONFIG_NETDEV_1000=y +CONFIG_NETDEV_10000=y # -# Ethernet (1000 Mbit) -# - -# -# Ethernet (10000 Mbit) -# - -# -# Token Ring devices -# - -# -# Wireless LAN (non-hamradio) -# -# CONFIG_NET_RADIO is not set - -# -# Wan interfaces +# Wireless LAN # +# CONFIG_WLAN_PRE80211 is not set +# CONFIG_WLAN_80211 is not set # CONFIG_WAN is not set # CONFIG_PPP is not set # CONFIG_SLIP is not set @@ -604,6 +515,7 @@ CONFIG_INPUT=y # CONFIG_INPUT_KEYBOARD is not set # CONFIG_INPUT_MOUSE is not set # CONFIG_INPUT_JOYSTICK is not set +# CONFIG_INPUT_TABLET is not set # CONFIG_INPUT_TOUCHSCREEN is not set # CONFIG_INPUT_MISC is not set @@ -639,29 +551,15 @@ CONFIG_SERIAL_CORE_CONSOLE=y # IPMI # # CONFIG_IPMI_HANDLER is not set - -# -# Watchdog Cards -# # CONFIG_WATCHDOG is not set # CONFIG_HW_RANDOM is not set -# CONFIG_GEN_RTC is not set -# CONFIG_DTLK is not set # CONFIG_R3964 is not set - -# -# Ftape, the floppy tape device driver -# # CONFIG_RAW_DRIVER is not set # # TPM devices # # CONFIG_TCG_TPM is not set - -# -# I2C support -# # CONFIG_I2C is not set # @@ -674,27 +572,30 @@ CONFIG_SERIAL_CORE_CONSOLE=y # Dallas's 1-wire bus # # CONFIG_W1 is not set +# CONFIG_HWMON is not set # -# Hardware Monitoring support +# Multifunction device drivers # -# CONFIG_HWMON is not set -# CONFIG_HWMON_VID is not set +# CONFIG_MFD_SM501 is not set # # Multimedia devices # # CONFIG_VIDEO_DEV is not set +# CONFIG_DVB_CORE is not set +CONFIG_DAB=y # -# Digital Video Broadcasting Devices +# Graphics support # -# CONFIG_DVB is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set # -# Graphics support +# Display device support # -# CONFIG_FIRMWARE_EDID is not set +# CONFIG_DISPLAY_SUPPORT is not set +# CONFIG_VGASTATE is not set # CONFIG_FB is not set # @@ -703,6 +604,12 @@ CONFIG_SERIAL_CORE_CONSOLE=y # CONFIG_SOUND is not set # +# HID Devices +# +CONFIG_HID=y +# CONFIG_HID_DEBUG is not set + +# # USB support # # CONFIG_USB_ARCH_HAS_HCD is not set @@ -717,10 +624,6 @@ CONFIG_SERIAL_CORE_CONSOLE=y # USB Gadget Support # # CONFIG_USB_GADGET is not set - -# -# MMC/SD Card support -# # CONFIG_MMC is not set # @@ -802,7 +705,6 @@ CONFIG_PROC_FS=y CONFIG_PROC_SYSCTL=y # CONFIG_SYSFS is not set # CONFIG_TMPFS is not set -# CONFIG_HUGETLBFS is not set # CONFIG_HUGETLB_PAGE is not set CONFIG_RAMFS=y @@ -816,7 +718,6 @@ CONFIG_RAMFS=y # CONFIG_BEFS_FS is not set # CONFIG_BFS_FS is not set # CONFIG_EFS_FS is not set -# CONFIG_JFFS_FS is not set # CONFIG_JFFS2_FS is not set # CONFIG_CRAMFS is not set # CONFIG_VXFS_FS is not set @@ -849,6 +750,11 @@ CONFIG_MSDOS_PARTITION=y # CONFIG_NLS is not set # +# Distributed Lock Manager +# +# CONFIG_DLM is not set + +# # Profiling support # # CONFIG_PROFILING is not set @@ -861,14 +767,11 @@ CONFIG_TRACE_IRQFLAGS_SUPPORT=y # CONFIG_ENABLE_MUST_CHECK is not set # CONFIG_MAGIC_SYSRQ is not set # CONFIG_UNUSED_SYMBOLS is not set +# CONFIG_HEADERS_CHECK is not set # CONFIG_DEBUG_KERNEL is not set -CONFIG_LOG_BUF_SHIFT=14 # CONFIG_DEBUG_BUGVERBOSE is not set -# CONFIG_UNWIND_INFO is not set -# CONFIG_HEADERS_CHECK is not set # CONFIG_SH_STANDARD_BIOS is not set # CONFIG_EARLY_SCIF_CONSOLE is not set -# CONFIG_KGDB is not set # # Security options @@ -883,8 +786,13 @@ CONFIG_LOG_BUF_SHIFT=14 # # Library routines # +CONFIG_BITREVERSE=y # CONFIG_CRC_CCITT is not set # CONFIG_CRC16 is not set +# CONFIG_CRC_ITU_T is not set CONFIG_CRC32=y # CONFIG_LIBCRC32C is not set CONFIG_ZLIB_INFLATE=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +CONFIG_HAS_DMA=y diff --git a/arch/sh/configs/se7619_defconfig b/arch/sh/configs/se7619_defconfig index 20ac7f4..3a3c3c1 100644 --- a/arch/sh/configs/se7619_defconfig +++ b/arch/sh/configs/se7619_defconfig @@ -1,18 +1,22 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.19 -# Wed Dec 6 16:35:36 2006 +# Linux kernel version: 2.6.22-rc4 +# Fri Jun 15 19:43:06 2007 # CONFIG_SUPERH=y CONFIG_RWSEM_GENERIC_SPINLOCK=y +CONFIG_GENERIC_BUG=y CONFIG_GENERIC_FIND_NEXT_BIT=y CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y CONFIG_GENERIC_CALIBRATE_DELAY=y # CONFIG_GENERIC_TIME is not set +# CONFIG_GENERIC_CLOCKEVENTS is not set CONFIG_STACKTRACE_SUPPORT=y CONFIG_LOCKDEP_SUPPORT=y +# CONFIG_ARCH_HAS_ILOG2_U32 is not set +# CONFIG_ARCH_HAS_ILOG2_U64 is not set CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" # @@ -31,8 +35,10 @@ CONFIG_LOCALVERSION="" # CONFIG_BSD_PROCESS_ACCT is not set # CONFIG_UTS_NS is not set # CONFIG_IKCONFIG is not set +CONFIG_LOG_BUF_SHIFT=14 +CONFIG_SYSFS_DEPRECATED=y # CONFIG_RELAY is not set -CONFIG_INITRAMFS_SOURCE="" +# CONFIG_BLK_DEV_INITRD is not set CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_SYSCTL=y CONFIG_EMBEDDED=y @@ -45,12 +51,17 @@ CONFIG_BUG=y # CONFIG_ELF_CORE is not set # CONFIG_BASE_FULL is not set # CONFIG_FUTEX is not set +CONFIG_ANON_INODES=y # CONFIG_EPOLL is not set -CONFIG_SLAB=y +CONFIG_SIGNALFD=y +CONFIG_TIMERFD=y +CONFIG_EVENTFD=y # CONFIG_VM_EVENT_COUNTERS is not set +CONFIG_SLAB=y +# CONFIG_SLUB is not set +# CONFIG_SLOB is not set CONFIG_TINY_SHMEM=y CONFIG_BASE_SMALL=1 -# CONFIG_SLOB is not set # # Loadable module support @@ -80,52 +91,9 @@ CONFIG_DEFAULT_IOSCHED="noop" # # System type # -# CONFIG_SH_SOLUTION_ENGINE is not set -# CONFIG_SH_7751_SOLUTION_ENGINE is not set -# CONFIG_SH_7300_SOLUTION_ENGINE is not set -# CONFIG_SH_7343_SOLUTION_ENGINE is not set -# CONFIG_SH_73180_SOLUTION_ENGINE is not set -# CONFIG_SH_7751_SYSTEMH is not set -# CONFIG_SH_HP6XX is not set -# CONFIG_SH_EC3104 is not set -# CONFIG_SH_SATURN is not set -# CONFIG_SH_DREAMCAST is not set -# CONFIG_SH_BIGSUR is not set -# CONFIG_SH_MPC1211 is not set -# CONFIG_SH_SH03 is not set -# CONFIG_SH_SECUREEDGE5410 is not set -# CONFIG_SH_HS7751RVOIP is not set -# CONFIG_SH_7710VOIPGW is not set -# CONFIG_SH_RTS7751R2D is not set -# CONFIG_SH_R7780RP is not set -# CONFIG_SH_EDOSK7705 is not set -# CONFIG_SH_SH4202_MICRODEV is not set -# CONFIG_SH_LANDISK is not set -# CONFIG_SH_TITAN is not set -# CONFIG_SH_SHMIN is not set -# CONFIG_SH_7206_SOLUTION_ENGINE is not set -CONFIG_SH_7619_SOLUTION_ENGINE=y -# CONFIG_SH_UNKNOWN is not set - -# -# Processor selection -# CONFIG_CPU_SH2=y - -# -# SH-2 Processor Support -# -# CONFIG_CPU_SUBTYPE_SH7604 is not set CONFIG_CPU_SUBTYPE_SH7619=y - -# -# SH-2A Processor Support -# # CONFIG_CPU_SUBTYPE_SH7206 is not set - -# -# SH-3 Processor Support -# # CONFIG_CPU_SUBTYPE_SH7300 is not set # CONFIG_CPU_SUBTYPE_SH7705 is not set # CONFIG_CPU_SUBTYPE_SH7706 is not set @@ -133,10 +101,7 @@ CONFIG_CPU_SUBTYPE_SH7619=y # CONFIG_CPU_SUBTYPE_SH7708 is not set # CONFIG_CPU_SUBTYPE_SH7709 is not set # CONFIG_CPU_SUBTYPE_SH7710 is not set - -# -# SH-4 Processor Support -# +# CONFIG_CPU_SUBTYPE_SH7712 is not set # CONFIG_CPU_SUBTYPE_SH7750 is not set # CONFIG_CPU_SUBTYPE_SH7091 is not set # CONFIG_CPU_SUBTYPE_SH7750R is not set @@ -145,32 +110,28 @@ CONFIG_CPU_SUBTYPE_SH7619=y # CONFIG_CPU_SUBTYPE_SH7751R is not set # CONFIG_CPU_SUBTYPE_SH7760 is not set # CONFIG_CPU_SUBTYPE_SH4_202 is not set - -# -# ST40 Processor Support -# # CONFIG_CPU_SUBTYPE_ST40STB1 is not set # CONFIG_CPU_SUBTYPE_ST40GX1 is not set - -# -# SH-4A Processor Support -# # CONFIG_CPU_SUBTYPE_SH7770 is not set # CONFIG_CPU_SUBTYPE_SH7780 is not set # CONFIG_CPU_SUBTYPE_SH7785 is not set - -# -# SH4AL-DSP Processor Support -# # CONFIG_CPU_SUBTYPE_SH73180 is not set # CONFIG_CPU_SUBTYPE_SH7343 is not set +# CONFIG_CPU_SUBTYPE_SH7722 is not set # # Memory management options # +CONFIG_QUICKLIST=y CONFIG_PAGE_OFFSET=0x00000000 CONFIG_MEMORY_START=0x0c000000 CONFIG_MEMORY_SIZE=0x04000000 +CONFIG_ARCH_FLATMEM_ENABLE=y +CONFIG_ARCH_SPARSEMEM_ENABLE=y +CONFIG_ARCH_SPARSEMEM_DEFAULT=y +CONFIG_MAX_ACTIVE_REGIONS=1 +CONFIG_ARCH_POPULATES_NODE_MAP=y +CONFIG_ARCH_SELECT_MEMORY_MODEL=y CONFIG_PAGE_SIZE_4KB=y # CONFIG_PAGE_SIZE_8KB is not set # CONFIG_PAGE_SIZE_64KB is not set @@ -180,34 +141,41 @@ CONFIG_FLATMEM_MANUAL=y # CONFIG_SPARSEMEM_MANUAL is not set CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y -# CONFIG_SPARSEMEM_STATIC is not set +CONFIG_SPARSEMEM_STATIC=y CONFIG_SPLIT_PTLOCK_CPUS=4 # CONFIG_RESOURCES_64BIT is not set +CONFIG_ZONE_DMA_FLAG=0 +CONFIG_NR_QUICK=2 # # Cache configuration # # CONFIG_SH_DIRECT_MAPPED is not set CONFIG_SH_WRITETHROUGH=y -# CONFIG_SH_OCRAM is not set # # Processor features # # CONFIG_CPU_LITTLE_ENDIAN is not set CONFIG_CPU_BIG_ENDIAN=y -# CONFIG_SH_FPU is not set # CONFIG_SH_FPU_EMU is not set # CONFIG_SH_DSP is not set +CONFIG_CPU_HAS_IPR_IRQ=y + +# +# Board support +# +CONFIG_SOLUTION_ENGINE=y +CONFIG_SH_7619_SOLUTION_ENGINE=y # -# Timer support +# Timer and clock configuration # CONFIG_SH_CMT=y CONFIG_SH_TIMER_IRQ=86 -# CONFIG_NO_IDLE_HZ is not set CONFIG_SH_PCLK_FREQ=31250000 CONFIG_SH_CLK_MD=5 +# CONFIG_TICK_ONESHOT is not set # # CPU Frequency scaling @@ -222,11 +190,11 @@ CONFIG_SH_CLK_MD=5 # # Companion Chips # -# CONFIG_HD6446X_SERIES is not set # # Additional SuperH Device Drivers # +# CONFIG_HEARTBEAT is not set # CONFIG_PUSH_SWITCH is not set # @@ -234,10 +202,11 @@ CONFIG_SH_CLK_MD=5 # CONFIG_HZ_100=y # CONFIG_HZ_250 is not set +# CONFIG_HZ_300 is not set # CONFIG_HZ_1000 is not set CONFIG_HZ=100 # CONFIG_KEXEC is not set -# CONFIG_SMP is not set +# CONFIG_CRASH_DUMP is not set CONFIG_PREEMPT_NONE=y # CONFIG_PREEMPT_VOLUNTARY is not set # CONFIG_PREEMPT is not set @@ -247,23 +216,18 @@ CONFIG_PREEMPT_NONE=y # CONFIG_ZERO_PAGE_OFFSET=0x00001000 CONFIG_BOOT_LINK_OFFSET=0x00800000 -# CONFIG_UBC_WAKEUP is not set # CONFIG_CMDLINE_BOOL is not set # # Bus options # -# CONFIG_PCI is not set +# CONFIG_ARCH_SUPPORTS_MSI is not set # # PCCARD (PCMCIA/CardBus) support # # -# PCI Hotplug Support -# - -# # Executable file formats # CONFIG_BINFMT_FLAT=y @@ -272,11 +236,6 @@ CONFIG_BINFMT_ZFLAT=y # CONFIG_BINFMT_MISC is not set # -# Power management options (EXPERIMENTAL) -# -# CONFIG_PM is not set - -# # Networking # # CONFIG_NET is not set @@ -295,10 +254,6 @@ CONFIG_BINFMT_ZFLAT=y # # Connector - unified userspace <-> kernelspace linker # - -# -# Memory Technology Devices (MTD) -# CONFIG_MTD=y # CONFIG_MTD_DEBUG is not set CONFIG_MTD_CONCAT=y @@ -313,6 +268,7 @@ CONFIG_MTD_REDBOOT_DIRECTORY_BLOCK=-1 # User Modules And Translation Layers # CONFIG_MTD_CHAR=y +CONFIG_MTD_BLKDEVS=y CONFIG_MTD_BLOCK=y # CONFIG_FTL is not set # CONFIG_NFTL is not set @@ -344,7 +300,6 @@ CONFIG_MTD_CFI_UTIL=y # CONFIG_MTD_RAM is not set # CONFIG_MTD_ROM is not set # CONFIG_MTD_ABSENT is not set -# CONFIG_MTD_OBSOLETE_CHIPS is not set # # Mapping drivers for chip access @@ -372,16 +327,13 @@ CONFIG_MTD_PHYSMAP_BANKWIDTH=2 # CONFIG_MTD_DOC2000 is not set # CONFIG_MTD_DOC2001 is not set # CONFIG_MTD_DOC2001PLUS is not set - -# -# NAND Flash Device Drivers -# # CONFIG_MTD_NAND is not set +# CONFIG_MTD_ONENAND is not set # -# OneNAND Flash Device Drivers +# UBI - Unsorted block images # -# CONFIG_MTD_ONENAND is not set +# CONFIG_MTD_UBI is not set # # Parallel port support @@ -391,6 +343,7 @@ CONFIG_MTD_PHYSMAP_BANKWIDTH=2 # # Plug and Play support # +# CONFIG_PNPACPI is not set # # Block devices @@ -398,17 +351,12 @@ CONFIG_MTD_PHYSMAP_BANKWIDTH=2 # CONFIG_BLK_DEV_COW_COMMON is not set # CONFIG_BLK_DEV_LOOP is not set # CONFIG_BLK_DEV_RAM is not set -# CONFIG_BLK_DEV_INITRD is not set # CONFIG_CDROM_PKTCDVD is not set # # Misc devices # -# CONFIG_TIFM_CORE is not set - -# -# ATA/ATAPI/MFM/RLL support -# +# CONFIG_BLINK is not set # CONFIG_IDE is not set # @@ -417,10 +365,6 @@ CONFIG_MTD_PHYSMAP_BANKWIDTH=2 # CONFIG_RAID_ATTRS is not set # CONFIG_SCSI is not set # CONFIG_SCSI_NETLINK is not set - -# -# Serial ATA (prod) and Parallel ATA (experimental) drivers -# # CONFIG_ATA is not set # @@ -429,19 +373,6 @@ CONFIG_MTD_PHYSMAP_BANKWIDTH=2 # CONFIG_MD is not set # -# Fusion MPT device support -# -# CONFIG_FUSION is not set - -# -# IEEE 1394 (FireWire) support -# - -# -# I2O device support -# - -# # ISDN subsystem # @@ -471,6 +402,7 @@ CONFIG_INPUT=y # CONFIG_INPUT_KEYBOARD is not set # CONFIG_INPUT_MOUSE is not set # CONFIG_INPUT_JOYSTICK is not set +# CONFIG_INPUT_TABLET is not set # CONFIG_INPUT_TOUCHSCREEN is not set # CONFIG_INPUT_MISC is not set @@ -506,29 +438,15 @@ CONFIG_SERIAL_CORE_CONSOLE=y # IPMI # # CONFIG_IPMI_HANDLER is not set - -# -# Watchdog Cards -# # CONFIG_WATCHDOG is not set # CONFIG_HW_RANDOM is not set -# CONFIG_GEN_RTC is not set -# CONFIG_DTLK is not set # CONFIG_R3964 is not set - -# -# Ftape, the floppy tape device driver -# # CONFIG_RAW_DRIVER is not set # # TPM devices # # CONFIG_TCG_TPM is not set - -# -# I2C support -# # CONFIG_I2C is not set # @@ -541,26 +459,29 @@ CONFIG_SERIAL_CORE_CONSOLE=y # Dallas's 1-wire bus # # CONFIG_W1 is not set +# CONFIG_HWMON is not set # -# Hardware Monitoring support +# Multifunction device drivers # -# CONFIG_HWMON is not set -# CONFIG_HWMON_VID is not set +# CONFIG_MFD_SM501 is not set # # Multimedia devices # # CONFIG_VIDEO_DEV is not set +CONFIG_DAB=y # -# Digital Video Broadcasting Devices +# Graphics support # +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set # -# Graphics support +# Display device support # -# CONFIG_FIRMWARE_EDID is not set +# CONFIG_DISPLAY_SUPPORT is not set +# CONFIG_VGASTATE is not set # CONFIG_FB is not set # @@ -569,6 +490,12 @@ CONFIG_SERIAL_CORE_CONSOLE=y # CONFIG_SOUND is not set # +# HID Devices +# +CONFIG_HID=y +# CONFIG_HID_DEBUG is not set + +# # USB support # # CONFIG_USB_ARCH_HAS_HCD is not set @@ -583,10 +510,6 @@ CONFIG_SERIAL_CORE_CONSOLE=y # USB Gadget Support # # CONFIG_USB_GADGET is not set - -# -# MMC/SD Card support -# # CONFIG_MMC is not set # @@ -668,7 +591,6 @@ CONFIG_PROC_FS=y CONFIG_PROC_SYSCTL=y # CONFIG_SYSFS is not set # CONFIG_TMPFS is not set -# CONFIG_HUGETLBFS is not set # CONFIG_HUGETLB_PAGE is not set CONFIG_RAMFS=y @@ -682,7 +604,6 @@ CONFIG_RAMFS=y # CONFIG_BEFS_FS is not set # CONFIG_BFS_FS is not set # CONFIG_EFS_FS is not set -# CONFIG_JFFS_FS is not set # CONFIG_JFFS2_FS is not set # CONFIG_CRAMFS is not set # CONFIG_VXFS_FS is not set @@ -715,14 +636,11 @@ CONFIG_TRACE_IRQFLAGS_SUPPORT=y # CONFIG_ENABLE_MUST_CHECK is not set # CONFIG_MAGIC_SYSRQ is not set # CONFIG_UNUSED_SYMBOLS is not set +# CONFIG_HEADERS_CHECK is not set # CONFIG_DEBUG_KERNEL is not set -CONFIG_LOG_BUF_SHIFT=14 # CONFIG_DEBUG_BUGVERBOSE is not set -# CONFIG_UNWIND_INFO is not set -# CONFIG_HEADERS_CHECK is not set # CONFIG_SH_STANDARD_BIOS is not set # CONFIG_EARLY_SCIF_CONSOLE is not set -# CONFIG_KGDB is not set # # Security options @@ -737,8 +655,13 @@ CONFIG_LOG_BUF_SHIFT=14 # # Library routines # +CONFIG_BITREVERSE=y # CONFIG_CRC_CCITT is not set # CONFIG_CRC16 is not set +# CONFIG_CRC_ITU_T is not set CONFIG_CRC32=y # CONFIG_LIBCRC32C is not set CONFIG_ZLIB_INFLATE=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +CONFIG_HAS_DMA=y diff --git a/arch/sh/configs/se7722_defconfig b/arch/sh/configs/se7722_defconfig index ca4c663..764b813 100644 --- a/arch/sh/configs/se7722_defconfig +++ b/arch/sh/configs/se7722_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.21-rc7 -# Fri Apr 27 16:30:30 2007 +# Linux kernel version: 2.6.22-rc4 +# Wed Jun 20 18:08:04 2007 # CONFIG_SUPERH=y CONFIG_RWSEM_GENERIC_SPINLOCK=y @@ -11,7 +11,9 @@ CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y CONFIG_GENERIC_CALIBRATE_DELAY=y -# CONFIG_GENERIC_TIME is not set +CONFIG_GENERIC_TIME=y +CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_SYS_SUPPORTS_NUMA=y CONFIG_STACKTRACE_SUPPORT=y CONFIG_LOCKDEP_SUPPORT=y # CONFIG_ARCH_HAS_ILOG2_U32 is not set @@ -43,6 +45,7 @@ CONFIG_BSD_PROCESS_ACCT=y # CONFIG_AUDIT is not set CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y +CONFIG_LOG_BUF_SHIFT=14 # CONFIG_SYSFS_DEPRECATED is not set # CONFIG_RELAY is not set CONFIG_BLK_DEV_INITRD=y @@ -60,14 +63,20 @@ CONFIG_BUG=y CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y +CONFIG_ANON_INODES=y CONFIG_EPOLL=y +CONFIG_SIGNALFD=y +CONFIG_TIMERFD=y +CONFIG_EVENTFD=y CONFIG_SHMEM=y -CONFIG_SLAB=y CONFIG_VM_EVENT_COUNTERS=y +CONFIG_SLUB_DEBUG=y +# CONFIG_SLAB is not set +CONFIG_SLUB=y +# CONFIG_SLOB is not set CONFIG_RT_MUTEXES=y # CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 -# CONFIG_SLOB is not set # # Loadable module support @@ -103,57 +112,12 @@ CONFIG_DEFAULT_IOSCHED="noop" # # System type # -CONFIG_SOLUTION_ENGINE=y -# CONFIG_SH_SOLUTION_ENGINE is not set -CONFIG_SH_7722_SOLUTION_ENGINE=y -# CONFIG_SH_7751_SOLUTION_ENGINE is not set -# CONFIG_SH_7780_SOLUTION_ENGINE is not set -# CONFIG_SH_7300_SOLUTION_ENGINE is not set -# CONFIG_SH_7343_SOLUTION_ENGINE is not set -# CONFIG_SH_73180_SOLUTION_ENGINE is not set -# CONFIG_SH_7751_SYSTEMH is not set -# CONFIG_SH_HP6XX is not set -# CONFIG_SH_SATURN is not set -# CONFIG_SH_DREAMCAST is not set -# CONFIG_SH_MPC1211 is not set -# CONFIG_SH_SH03 is not set -# CONFIG_SH_SECUREEDGE5410 is not set -# CONFIG_SH_HS7751RVOIP is not set -# CONFIG_SH_7710VOIPGW is not set -# CONFIG_SH_RTS7751R2D is not set -# CONFIG_SH_HIGHLANDER is not set -# CONFIG_SH_EDOSK7705 is not set -# CONFIG_SH_SH4202_MICRODEV is not set -# CONFIG_SH_LANDISK is not set -# CONFIG_SH_TITAN is not set -# CONFIG_SH_SHMIN is not set -# CONFIG_SH_7206_SOLUTION_ENGINE is not set -# CONFIG_SH_7619_SOLUTION_ENGINE is not set -# CONFIG_SH_LBOX_RE2 is not set -# CONFIG_SH_UNKNOWN is not set - -# -# Processor selection -# CONFIG_CPU_SH4=y CONFIG_CPU_SH4A=y CONFIG_CPU_SH4AL_DSP=y CONFIG_CPU_SHX2=y - -# -# SH-2 Processor Support -# -# CONFIG_CPU_SUBTYPE_SH7604 is not set # CONFIG_CPU_SUBTYPE_SH7619 is not set - -# -# SH-2A Processor Support -# # CONFIG_CPU_SUBTYPE_SH7206 is not set - -# -# SH-3 Processor Support -# # CONFIG_CPU_SUBTYPE_SH7300 is not set # CONFIG_CPU_SUBTYPE_SH7705 is not set # CONFIG_CPU_SUBTYPE_SH7706 is not set @@ -162,10 +126,6 @@ CONFIG_CPU_SHX2=y # CONFIG_CPU_SUBTYPE_SH7709 is not set # CONFIG_CPU_SUBTYPE_SH7710 is not set # CONFIG_CPU_SUBTYPE_SH7712 is not set - -# -# SH-4 Processor Support -# # CONFIG_CPU_SUBTYPE_SH7750 is not set # CONFIG_CPU_SUBTYPE_SH7091 is not set # CONFIG_CPU_SUBTYPE_SH7750R is not set @@ -174,23 +134,11 @@ CONFIG_CPU_SHX2=y # CONFIG_CPU_SUBTYPE_SH7751R is not set # CONFIG_CPU_SUBTYPE_SH7760 is not set # CONFIG_CPU_SUBTYPE_SH4_202 is not set - -# -# ST40 Processor Support -# # CONFIG_CPU_SUBTYPE_ST40STB1 is not set # CONFIG_CPU_SUBTYPE_ST40GX1 is not set - -# -# SH-4A Processor Support -# # CONFIG_CPU_SUBTYPE_SH7770 is not set # CONFIG_CPU_SUBTYPE_SH7780 is not set # CONFIG_CPU_SUBTYPE_SH7785 is not set - -# -# SH4AL-DSP Processor Support -# # CONFIG_CPU_SUBTYPE_SH73180 is not set # CONFIG_CPU_SUBTYPE_SH7343 is not set CONFIG_CPU_SUBTYPE_SH7722=y @@ -198,15 +146,21 @@ CONFIG_CPU_SUBTYPE_SH7722=y # # Memory management options # +CONFIG_QUICKLIST=y CONFIG_MMU=y CONFIG_PAGE_OFFSET=0x80000000 CONFIG_MEMORY_START=0x0c000000 CONFIG_MEMORY_SIZE=0x04000000 -# CONFIG_32BIT is not set # CONFIG_X2TLB is not set CONFIG_VSYSCALL=y -CONFIG_ARCH_FLATMEM_ENABLE=y +CONFIG_NUMA=y +CONFIG_NODES_SHIFT=1 +CONFIG_ARCH_SPARSEMEM_ENABLE=y +CONFIG_ARCH_SPARSEMEM_DEFAULT=y +CONFIG_MAX_ACTIVE_REGIONS=2 CONFIG_ARCH_POPULATES_NODE_MAP=y +CONFIG_ARCH_SELECT_MEMORY_MODEL=y +CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y CONFIG_PAGE_SIZE_4KB=y # CONFIG_PAGE_SIZE_8KB is not set # CONFIG_PAGE_SIZE_64KB is not set @@ -216,26 +170,25 @@ CONFIG_HUGETLB_PAGE_SIZE_64K=y # CONFIG_HUGETLB_PAGE_SIZE_4MB is not set # CONFIG_HUGETLB_PAGE_SIZE_64MB is not set CONFIG_SELECT_MEMORY_MODEL=y -CONFIG_FLATMEM_MANUAL=y +# CONFIG_FLATMEM_MANUAL is not set # CONFIG_DISCONTIGMEM_MANUAL is not set -# CONFIG_SPARSEMEM_MANUAL is not set -CONFIG_FLATMEM=y -CONFIG_FLAT_NODE_MEM_MAP=y -# CONFIG_SPARSEMEM_STATIC is not set +CONFIG_SPARSEMEM_MANUAL=y +CONFIG_SPARSEMEM=y +CONFIG_NEED_MULTIPLE_NODES=y +CONFIG_HAVE_MEMORY_PRESENT=y +CONFIG_SPARSEMEM_STATIC=y +# CONFIG_MEMORY_HOTPLUG is not set CONFIG_SPLIT_PTLOCK_CPUS=4 +CONFIG_MIGRATION=y # CONFIG_RESOURCES_64BIT is not set CONFIG_ZONE_DMA_FLAG=0 +CONFIG_NR_QUICK=2 # # Cache configuration # # CONFIG_SH_DIRECT_MAPPED is not set # CONFIG_SH_WRITETHROUGH is not set -# CONFIG_SH_OCRAM is not set -CONFIG_CF_ENABLER=y -# CONFIG_CF_AREA5 is not set -CONFIG_CF_AREA6=y -CONFIG_CF_BASE_ADDR=0xb8000000 # # Processor features @@ -252,12 +205,20 @@ CONFIG_CPU_HAS_SR_RB=y CONFIG_CPU_HAS_PTEA=y # +# Board support +# +CONFIG_SOLUTION_ENGINE=y +CONFIG_SH_7722_SOLUTION_ENGINE=y + +# # Timer and clock configuration # CONFIG_SH_TMU=y CONFIG_SH_TIMER_IRQ=16 -CONFIG_NO_IDLE_HZ=y CONFIG_SH_PCLK_FREQ=33333333 +CONFIG_TICK_ONESHOT=y +CONFIG_NO_HZ=y +CONFIG_HIGH_RES_TIMERS=y # # CPU Frequency scaling @@ -272,7 +233,6 @@ CONFIG_SH_PCLK_FREQ=33333333 # # Companion Chips # -# CONFIG_HD6446X_SERIES is not set # # Additional SuperH Device Drivers @@ -290,7 +250,6 @@ CONFIG_HZ_250=y CONFIG_HZ=250 CONFIG_KEXEC=y # CONFIG_CRASH_DUMP is not set -# CONFIG_SMP is not set # CONFIG_PREEMPT_NONE is not set # CONFIG_PREEMPT_VOLUNTARY is not set CONFIG_PREEMPT=y @@ -307,7 +266,11 @@ CONFIG_BOOT_LINK_OFFSET=0x00800000 # # Bus options # -# CONFIG_PCI is not set +CONFIG_CF_ENABLER=y +# CONFIG_CF_AREA5 is not set +CONFIG_CF_AREA6=y +CONFIG_CF_BASE_ADDR=0xb8000000 +# CONFIG_ARCH_SUPPORTS_MSI is not set # # PCCARD (PCMCIA/CardBus) support @@ -315,22 +278,12 @@ CONFIG_BOOT_LINK_OFFSET=0x00800000 # CONFIG_PCCARD is not set # -# PCI Hotplug Support -# - -# # Executable file formats # CONFIG_BINFMT_ELF=y -# CONFIG_BINFMT_FLAT is not set # CONFIG_BINFMT_MISC is not set # -# Power management options (EXPERIMENTAL) -# -# CONFIG_PM is not set - -# # Networking # CONFIG_NET=y @@ -338,7 +291,6 @@ CONFIG_NET=y # # Networking options # -# CONFIG_NETDEBUG is not set CONFIG_PACKET=y CONFIG_PACKET_MMAP=y CONFIG_UNIX=y @@ -375,20 +327,8 @@ CONFIG_DEFAULT_TCP_CONG="cubic" # CONFIG_INET6_TUNNEL is not set # CONFIG_NETWORK_SECMARK is not set # CONFIG_NETFILTER is not set - -# -# DCCP Configuration (EXPERIMENTAL) -# # CONFIG_IP_DCCP is not set - -# -# SCTP Configuration (EXPERIMENTAL) -# # CONFIG_IP_SCTP is not set - -# -# TIPC Configuration (EXPERIMENTAL) -# # CONFIG_TIPC is not set # CONFIG_ATM is not set # CONFIG_BRIDGE is not set @@ -414,7 +354,16 @@ CONFIG_DEFAULT_TCP_CONG="cubic" # CONFIG_HAMRADIO is not set # CONFIG_IRDA is not set # CONFIG_BT is not set +# CONFIG_AF_RXRPC is not set + +# +# Wireless +# +# CONFIG_CFG80211 is not set +# CONFIG_WIRELESS_EXT is not set +# CONFIG_MAC80211 is not set # CONFIG_IEEE80211 is not set +# CONFIG_RFKILL is not set # # Device Drivers @@ -432,10 +381,6 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y # Connector - unified userspace <-> kernelspace linker # # CONFIG_CONNECTOR is not set - -# -# Memory Technology Devices (MTD) -# # CONFIG_MTD is not set # @@ -464,10 +409,7 @@ CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 # # Misc devices # - -# -# ATA/ATAPI/MFM/RLL support -# +# CONFIG_BLINK is not set # CONFIG_IDE is not set # @@ -496,6 +438,7 @@ CONFIG_BLK_DEV_SD=y # CONFIG_SCSI_CONSTANTS is not set # CONFIG_SCSI_LOGGING is not set # CONFIG_SCSI_SCAN_ASYNC is not set +CONFIG_SCSI_WAIT_SCAN=m # # SCSI Transports @@ -511,10 +454,6 @@ CONFIG_BLK_DEV_SD=y # # CONFIG_ISCSI_TCP is not set # CONFIG_SCSI_DEBUG is not set - -# -# Serial ATA (prod) and Parallel ATA (experimental) drivers -# CONFIG_ATA=y # CONFIG_ATA_NONSTANDARD is not set CONFIG_PATA_PLATFORM=y @@ -525,19 +464,6 @@ CONFIG_PATA_PLATFORM=y # CONFIG_MD is not set # -# Fusion MPT device support -# -# CONFIG_FUSION is not set - -# -# IEEE 1394 (FireWire) support -# - -# -# I2O device support -# - -# # Network device support # CONFIG_NETDEVICES=y @@ -545,10 +471,6 @@ CONFIG_NETDEVICES=y # CONFIG_BONDING is not set # CONFIG_EQUALIZER is not set # CONFIG_TUN is not set - -# -# PHY device support -# # CONFIG_PHYLIB is not set # @@ -558,27 +480,14 @@ CONFIG_NET_ETHERNET=y CONFIG_MII=y # CONFIG_STNIC is not set CONFIG_SMC91X=y +CONFIG_NETDEV_1000=y +CONFIG_NETDEV_10000=y # -# Ethernet (1000 Mbit) -# - -# -# Ethernet (10000 Mbit) -# - -# -# Token Ring devices -# - -# -# Wireless LAN (non-hamradio) -# -# CONFIG_NET_RADIO is not set - -# -# Wan interfaces +# Wireless LAN # +# CONFIG_WLAN_PRE80211 is not set +# CONFIG_WLAN_80211 is not set # CONFIG_WAN is not set # CONFIG_PPP is not set # CONFIG_SLIP is not set @@ -627,6 +536,7 @@ CONFIG_KEYBOARD_ATKBD=y # CONFIG_KEYBOARD_STOWAWAY is not set # CONFIG_INPUT_MOUSE is not set # CONFIG_INPUT_JOYSTICK is not set +# CONFIG_INPUT_TABLET is not set # CONFIG_INPUT_TOUCHSCREEN is not set # CONFIG_INPUT_MISC is not set @@ -667,14 +577,8 @@ CONFIG_LEGACY_PTY_COUNT=256 # IPMI # # CONFIG_IPMI_HANDLER is not set - -# -# Watchdog Cards -# # CONFIG_WATCHDOG is not set CONFIG_HW_RANDOM=y -# CONFIG_GEN_RTC is not set -# CONFIG_DTLK is not set # CONFIG_R3964 is not set # CONFIG_RAW_DRIVER is not set @@ -682,10 +586,6 @@ CONFIG_HW_RANDOM=y # TPM devices # # CONFIG_TCG_TPM is not set - -# -# I2C support -# # CONFIG_I2C is not set # @@ -698,16 +598,15 @@ CONFIG_HW_RANDOM=y # Dallas's 1-wire bus # # CONFIG_W1 is not set - -# -# Hardware Monitoring support -# CONFIG_HWMON=y # CONFIG_HWMON_VID is not set # CONFIG_SENSORS_ABITUGURU is not set # CONFIG_SENSORS_F71805F is not set # CONFIG_SENSORS_PC87427 is not set +# CONFIG_SENSORS_SMSC47M1 is not set +# CONFIG_SENSORS_SMSC47B397 is not set # CONFIG_SENSORS_VT1211 is not set +# CONFIG_SENSORS_W83627HF is not set # CONFIG_HWMON_DEBUG_CHIP is not set # @@ -719,16 +618,19 @@ CONFIG_HWMON=y # Multimedia devices # # CONFIG_VIDEO_DEV is not set +# CONFIG_DVB_CORE is not set +CONFIG_DAB=y # -# Digital Video Broadcasting Devices +# Graphics support # -# CONFIG_DVB is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set # -# Graphics support +# Display device support # -# CONFIG_BACKLIGHT_LCD_SUPPORT is not set +# CONFIG_DISPLAY_SUPPORT is not set +# CONFIG_VGASTATE is not set # CONFIG_FB is not set # @@ -757,10 +659,6 @@ CONFIG_HID=y # USB Gadget Support # # CONFIG_USB_GADGET is not set - -# -# MMC/SD Card support -# # CONFIG_MMC is not set # @@ -800,18 +698,30 @@ CONFIG_RTC_INTF_SYSFS=y CONFIG_RTC_INTF_PROC=y CONFIG_RTC_INTF_DEV=y # CONFIG_RTC_INTF_DEV_UIE_EMUL is not set +# CONFIG_RTC_DRV_TEST is not set # -# RTC drivers +# I2C RTC drivers +# + +# +# SPI RTC drivers +# + +# +# Platform RTC drivers # # CONFIG_RTC_DRV_DS1553 is not set # CONFIG_RTC_DRV_DS1742 is not set # CONFIG_RTC_DRV_M48T86 is not set -CONFIG_RTC_DRV_SH=y -# CONFIG_RTC_DRV_TEST is not set # CONFIG_RTC_DRV_V3020 is not set # +# on-CPU RTC drivers +# +CONFIG_RTC_DRV_SH=y + +# # DMA Engine support # # CONFIG_DMA_ENGINE is not set @@ -825,14 +735,6 @@ CONFIG_RTC_DRV_SH=y # # -# Auxiliary Display support -# - -# -# Virtualization -# - -# # File systems # CONFIG_EXT2_FS=y @@ -937,23 +839,24 @@ CONFIG_MSDOS_PARTITION=y # # Profiling support # -# CONFIG_PROFILING is not set +CONFIG_PROFILING=y +# CONFIG_OPROFILE is not set # # Kernel hacking # CONFIG_TRACE_IRQFLAGS_SUPPORT=y -# CONFIG_PRINTK_TIME is not set +CONFIG_PRINTK_TIME=y # CONFIG_ENABLE_MUST_CHECK is not set -# CONFIG_MAGIC_SYSRQ is not set +CONFIG_MAGIC_SYSRQ=y # CONFIG_UNUSED_SYMBOLS is not set -# CONFIG_DEBUG_FS is not set +CONFIG_DEBUG_FS=y # CONFIG_HEADERS_CHECK is not set # CONFIG_DEBUG_KERNEL is not set -CONFIG_LOG_BUF_SHIFT=14 # CONFIG_DEBUG_BUGVERBOSE is not set -# CONFIG_SH_STANDARD_BIOS is not set +CONFIG_SH_STANDARD_BIOS=y # CONFIG_EARLY_SCIF_CONSOLE is not set +# CONFIG_EARLY_PRINTK is not set # CONFIG_SH_KGDB is not set # @@ -973,8 +876,10 @@ CONFIG_LOG_BUF_SHIFT=14 CONFIG_BITREVERSE=y # CONFIG_CRC_CCITT is not set # CONFIG_CRC16 is not set +# CONFIG_CRC_ITU_T is not set CONFIG_CRC32=y # CONFIG_LIBCRC32C is not set CONFIG_PLIST=y CONFIG_HAS_IOMEM=y CONFIG_HAS_IOPORT=y +CONFIG_HAS_DMA=y diff --git a/arch/sh/configs/shx3_defconfig b/arch/sh/configs/shx3_defconfig new file mode 100644 index 0000000..219bad5 --- /dev/null +++ b/arch/sh/configs/shx3_defconfig @@ -0,0 +1,756 @@ +# +# Automatically generated make config: don't edit +# Linux kernel version: 2.6.22-rc4 +# Wed Jun 20 14:09:27 2007 +# +CONFIG_SUPERH=y +CONFIG_RWSEM_GENERIC_SPINLOCK=y +CONFIG_GENERIC_BUG=y +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_GENERIC_HWEIGHT=y +CONFIG_GENERIC_HARDIRQS=y +CONFIG_GENERIC_IRQ_PROBE=y +CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_GENERIC_TIME=y +CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_STACKTRACE_SUPPORT=y +CONFIG_LOCKDEP_SUPPORT=y +# CONFIG_ARCH_HAS_ILOG2_U32 is not set +# CONFIG_ARCH_HAS_ILOG2_U64 is not set +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" + +# +# Code maturity level options +# +CONFIG_EXPERIMENTAL=y +CONFIG_BROKEN_ON_SMP=y +CONFIG_LOCK_KERNEL=y +CONFIG_INIT_ENV_ARG_LIMIT=32 + +# +# General setup +# +CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y +CONFIG_SWAP=y +CONFIG_SYSVIPC=y +# CONFIG_IPC_NS is not set +CONFIG_SYSVIPC_SYSCTL=y +CONFIG_BSD_PROCESS_ACCT=y +# CONFIG_BSD_PROCESS_ACCT_V3 is not set +# CONFIG_UTS_NS is not set +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_LOG_BUF_SHIFT=14 +# CONFIG_SYSFS_DEPRECATED is not set +# CONFIG_RELAY is not set +CONFIG_BLK_DEV_INITRD=y +CONFIG_INITRAMFS_SOURCE="" +CONFIG_CC_OPTIMIZE_FOR_SIZE=y +CONFIG_SYSCTL=y +CONFIG_EMBEDDED=y +CONFIG_UID16=y +CONFIG_SYSCTL_SYSCALL=y +CONFIG_KALLSYMS=y +CONFIG_KALLSYMS_ALL=y +# CONFIG_KALLSYMS_EXTRA_PASS is not set +CONFIG_HOTPLUG=y +CONFIG_PRINTK=y +CONFIG_BUG=y +CONFIG_ELF_CORE=y +CONFIG_BASE_FULL=y +CONFIG_FUTEX=y +CONFIG_ANON_INODES=y +CONFIG_EPOLL=y +CONFIG_SIGNALFD=y +CONFIG_TIMERFD=y +CONFIG_EVENTFD=y +CONFIG_SHMEM=y +CONFIG_VM_EVENT_COUNTERS=y +CONFIG_SLAB=y +# CONFIG_SLUB is not set +# CONFIG_SLOB is not set +CONFIG_RT_MUTEXES=y +# CONFIG_TINY_SHMEM is not set +CONFIG_BASE_SMALL=0 + +# +# Loadable module support +# +CONFIG_MODULES=y +CONFIG_MODULE_UNLOAD=y +# CONFIG_MODULE_FORCE_UNLOAD is not set +# CONFIG_MODVERSIONS is not set +# CONFIG_MODULE_SRCVERSION_ALL is not set +CONFIG_KMOD=y + +# +# Block layer +# +CONFIG_BLOCK=y +# CONFIG_LBD is not set +# CONFIG_BLK_DEV_IO_TRACE is not set +# CONFIG_LSF is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +# CONFIG_IOSCHED_AS is not set +# CONFIG_IOSCHED_DEADLINE is not set +# CONFIG_IOSCHED_CFQ is not set +# CONFIG_DEFAULT_AS is not set +# CONFIG_DEFAULT_DEADLINE is not set +# CONFIG_DEFAULT_CFQ is not set +CONFIG_DEFAULT_NOOP=y +CONFIG_DEFAULT_IOSCHED="noop" + +# +# System type +# +CONFIG_CPU_SH4=y +CONFIG_CPU_SH4A=y +CONFIG_CPU_SHX3=y +# CONFIG_CPU_SUBTYPE_SH7619 is not set +# CONFIG_CPU_SUBTYPE_SH7206 is not set +# CONFIG_CPU_SUBTYPE_SH7300 is not set +# CONFIG_CPU_SUBTYPE_SH7705 is not set +# CONFIG_CPU_SUBTYPE_SH7706 is not set +# CONFIG_CPU_SUBTYPE_SH7707 is not set +# CONFIG_CPU_SUBTYPE_SH7708 is not set +# CONFIG_CPU_SUBTYPE_SH7709 is not set +# CONFIG_CPU_SUBTYPE_SH7710 is not set +# CONFIG_CPU_SUBTYPE_SH7712 is not set +# CONFIG_CPU_SUBTYPE_SH7750 is not set +# CONFIG_CPU_SUBTYPE_SH7091 is not set +# CONFIG_CPU_SUBTYPE_SH7750R is not set +# CONFIG_CPU_SUBTYPE_SH7750S is not set +# CONFIG_CPU_SUBTYPE_SH7751 is not set +# CONFIG_CPU_SUBTYPE_SH7751R is not set +# CONFIG_CPU_SUBTYPE_SH7760 is not set +# CONFIG_CPU_SUBTYPE_SH4_202 is not set +# CONFIG_CPU_SUBTYPE_ST40STB1 is not set +# CONFIG_CPU_SUBTYPE_ST40GX1 is not set +# CONFIG_CPU_SUBTYPE_SH7770 is not set +# CONFIG_CPU_SUBTYPE_SH7780 is not set +# CONFIG_CPU_SUBTYPE_SH7785 is not set +CONFIG_CPU_SUBTYPE_SHX3=y +# CONFIG_CPU_SUBTYPE_SH73180 is not set +# CONFIG_CPU_SUBTYPE_SH7343 is not set +# CONFIG_CPU_SUBTYPE_SH7722 is not set + +# +# Memory management options +# +CONFIG_QUICKLIST=y +CONFIG_MMU=y +CONFIG_PAGE_OFFSET=0x80000000 +CONFIG_MEMORY_START=0x0c000000 +CONFIG_MEMORY_SIZE=0x04000000 +CONFIG_VSYSCALL=y +CONFIG_ARCH_FLATMEM_ENABLE=y +CONFIG_ARCH_SPARSEMEM_ENABLE=y +CONFIG_ARCH_SPARSEMEM_DEFAULT=y +CONFIG_MAX_ACTIVE_REGIONS=1 +CONFIG_ARCH_POPULATES_NODE_MAP=y +CONFIG_ARCH_SELECT_MEMORY_MODEL=y +CONFIG_PAGE_SIZE_4KB=y +# CONFIG_PAGE_SIZE_8KB is not set +# CONFIG_PAGE_SIZE_64KB is not set +CONFIG_HUGETLB_PAGE_SIZE_64K=y +# CONFIG_HUGETLB_PAGE_SIZE_256K is not set +# CONFIG_HUGETLB_PAGE_SIZE_1MB is not set +# CONFIG_HUGETLB_PAGE_SIZE_4MB is not set +# CONFIG_HUGETLB_PAGE_SIZE_64MB is not set +CONFIG_SELECT_MEMORY_MODEL=y +CONFIG_FLATMEM_MANUAL=y +# CONFIG_DISCONTIGMEM_MANUAL is not set +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_FLATMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +CONFIG_SPARSEMEM_STATIC=y +CONFIG_SPLIT_PTLOCK_CPUS=4 +# CONFIG_RESOURCES_64BIT is not set +CONFIG_ZONE_DMA_FLAG=0 +CONFIG_NR_QUICK=2 + +# +# Cache configuration +# +# CONFIG_SH_DIRECT_MAPPED is not set +# CONFIG_SH_WRITETHROUGH is not set + +# +# Processor features +# +CONFIG_CPU_LITTLE_ENDIAN=y +# CONFIG_CPU_BIG_ENDIAN is not set +# CONFIG_SH_FPU is not set +# CONFIG_SH_FPU_EMU is not set +CONFIG_SH_DSP=y +CONFIG_SH_STORE_QUEUES=y +CONFIG_CPU_HAS_INTEVT=y +CONFIG_CPU_HAS_INTC2_IRQ=y +CONFIG_CPU_HAS_SR_RB=y + +# +# Board support +# + +# +# Timer and clock configuration +# +CONFIG_SH_TMU=y +CONFIG_SH_TIMER_IRQ=16 +CONFIG_SH_PCLK_FREQ=50000000 +CONFIG_TICK_ONESHOT=y +CONFIG_NO_HZ=y +CONFIG_HIGH_RES_TIMERS=y + +# +# CPU Frequency scaling +# +# CONFIG_CPU_FREQ is not set + +# +# DMA support +# +# CONFIG_SH_DMA is not set + +# +# Companion Chips +# + +# +# Additional SuperH Device Drivers +# +CONFIG_HEARTBEAT=y +# CONFIG_PUSH_SWITCH is not set + +# +# Kernel features +# +# CONFIG_HZ_100 is not set +CONFIG_HZ_250=y +# CONFIG_HZ_300 is not set +# CONFIG_HZ_1000 is not set +CONFIG_HZ=250 +CONFIG_KEXEC=y +# CONFIG_CRASH_DUMP is not set +# CONFIG_PREEMPT_NONE is not set +# CONFIG_PREEMPT_VOLUNTARY is not set +CONFIG_PREEMPT=y +CONFIG_PREEMPT_BKL=y + +# +# Boot options +# +CONFIG_ZERO_PAGE_OFFSET=0x00001000 +CONFIG_BOOT_LINK_OFFSET=0x00800000 +# CONFIG_UBC_WAKEUP is not set +CONFIG_CMDLINE_BOOL=y +CONFIG_CMDLINE="console=ttySC0,115200 ip=192.168.1.2:::255.255.255.0 root=/dev/nfs nfsroot=192.168.1.1:/exports/devel/rfs/mobiler noaliencache earlyprintk=bios ignore_loglevel" + +# +# Bus options +# +# CONFIG_ARCH_SUPPORTS_MSI is not set + +# +# PCCARD (PCMCIA/CardBus) support +# +# CONFIG_PCCARD is not set + +# +# Executable file formats +# +CONFIG_BINFMT_ELF=y +# CONFIG_BINFMT_MISC is not set + +# +# Networking +# +# CONFIG_NET is not set + +# +# Device Drivers +# + +# +# Generic Driver Options +# +CONFIG_STANDALONE=y +CONFIG_PREVENT_FIRMWARE_BUILD=y +# CONFIG_FW_LOADER is not set +# CONFIG_DEBUG_DRIVER is not set +# CONFIG_DEBUG_DEVRES is not set +# CONFIG_SYS_HYPERVISOR is not set + +# +# Connector - unified userspace <-> kernelspace linker +# +# CONFIG_MTD is not set + +# +# Parallel port support +# +# CONFIG_PARPORT is not set + +# +# Plug and Play support +# +# CONFIG_PNPACPI is not set + +# +# Block devices +# +# CONFIG_BLK_DEV_COW_COMMON is not set +# CONFIG_BLK_DEV_LOOP is not set +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=16 +CONFIG_BLK_DEV_RAM_SIZE=4096 +CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024 +# CONFIG_CDROM_PKTCDVD is not set + +# +# Misc devices +# +# CONFIG_BLINK is not set +# CONFIG_IDE is not set + +# +# SCSI device support +# +# CONFIG_RAID_ATTRS is not set +CONFIG_SCSI=y +# CONFIG_SCSI_TGT is not set +# CONFIG_SCSI_NETLINK is not set +CONFIG_SCSI_PROC_FS=y + +# +# SCSI support type (disk, tape, CD-ROM) +# +CONFIG_BLK_DEV_SD=y +# CONFIG_CHR_DEV_ST is not set +# CONFIG_CHR_DEV_OSST is not set +# CONFIG_BLK_DEV_SR is not set +# CONFIG_CHR_DEV_SG is not set +# CONFIG_CHR_DEV_SCH is not set + +# +# Some SCSI devices (e.g. CD jukebox) support multiple LUNs +# +# CONFIG_SCSI_MULTI_LUN is not set +# CONFIG_SCSI_CONSTANTS is not set +# CONFIG_SCSI_LOGGING is not set +# CONFIG_SCSI_SCAN_ASYNC is not set +CONFIG_SCSI_WAIT_SCAN=m + +# +# SCSI Transports +# +# CONFIG_SCSI_SPI_ATTRS is not set +# CONFIG_SCSI_FC_ATTRS is not set +# CONFIG_SCSI_SAS_ATTRS is not set +# CONFIG_SCSI_SAS_LIBSAS is not set + +# +# SCSI low-level drivers +# +# CONFIG_SCSI_DEBUG is not set +CONFIG_ATA=y +# CONFIG_ATA_NONSTANDARD is not set +CONFIG_PATA_PLATFORM=y + +# +# Multi-device support (RAID and LVM) +# +# CONFIG_MD is not set + +# +# ISDN subsystem +# + +# +# Telephony Support +# +# CONFIG_PHONE is not set + +# +# Input device support +# +CONFIG_INPUT=y +# CONFIG_INPUT_FF_MEMLESS is not set + +# +# Userland interfaces +# +CONFIG_INPUT_MOUSEDEV=y +# CONFIG_INPUT_MOUSEDEV_PSAUX is not set +CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024 +CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768 +# CONFIG_INPUT_JOYDEV is not set +# CONFIG_INPUT_TSDEV is not set +# CONFIG_INPUT_EVDEV is not set +# CONFIG_INPUT_EVBUG is not set + +# +# Input Device Drivers +# +CONFIG_INPUT_KEYBOARD=y +CONFIG_KEYBOARD_ATKBD=y +# CONFIG_KEYBOARD_SUNKBD is not set +# CONFIG_KEYBOARD_LKKBD is not set +# CONFIG_KEYBOARD_XTKBD is not set +# CONFIG_KEYBOARD_NEWTON is not set +# CONFIG_KEYBOARD_STOWAWAY is not set +# CONFIG_INPUT_MOUSE is not set +# CONFIG_INPUT_JOYSTICK is not set +# CONFIG_INPUT_TABLET is not set +# CONFIG_INPUT_TOUCHSCREEN is not set +# CONFIG_INPUT_MISC is not set + +# +# Hardware I/O ports +# +CONFIG_SERIO=y +# CONFIG_SERIO_I8042 is not set +# CONFIG_SERIO_SERPORT is not set +CONFIG_SERIO_LIBPS2=y +# CONFIG_SERIO_RAW is not set +# CONFIG_GAMEPORT is not set + +# +# Character devices +# +# CONFIG_VT is not set +# CONFIG_SERIAL_NONSTANDARD is not set + +# +# Serial drivers +# +# CONFIG_SERIAL_8250 is not set + +# +# Non-8250 serial port support +# +CONFIG_SERIAL_SH_SCI=y +CONFIG_SERIAL_SH_SCI_NR_UARTS=2 +CONFIG_SERIAL_SH_SCI_CONSOLE=y +CONFIG_SERIAL_CORE=y +CONFIG_SERIAL_CORE_CONSOLE=y +CONFIG_UNIX98_PTYS=y +CONFIG_LEGACY_PTYS=y +CONFIG_LEGACY_PTY_COUNT=256 + +# +# IPMI +# +# CONFIG_IPMI_HANDLER is not set +# CONFIG_WATCHDOG is not set +CONFIG_HW_RANDOM=y +# CONFIG_R3964 is not set +# CONFIG_RAW_DRIVER is not set + +# +# TPM devices +# +# CONFIG_TCG_TPM is not set +# CONFIG_I2C is not set + +# +# SPI support +# +# CONFIG_SPI is not set +# CONFIG_SPI_MASTER is not set + +# +# Dallas's 1-wire bus +# +# CONFIG_W1 is not set +# CONFIG_HWMON is not set + +# +# Multifunction device drivers +# +# CONFIG_MFD_SM501 is not set + +# +# Multimedia devices +# +# CONFIG_VIDEO_DEV is not set +# CONFIG_DAB is not set + +# +# Graphics support +# +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set + +# +# Display device support +# +# CONFIG_DISPLAY_SUPPORT is not set +# CONFIG_VGASTATE is not set +# CONFIG_FB is not set + +# +# Sound +# +# CONFIG_SOUND is not set + +# +# HID Devices +# +# CONFIG_HID is not set + +# +# USB support +# +# CONFIG_USB_ARCH_HAS_HCD is not set +# CONFIG_USB_ARCH_HAS_OHCI is not set +# CONFIG_USB_ARCH_HAS_EHCI is not set + +# +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# + +# +# USB Gadget Support +# +# CONFIG_USB_GADGET is not set +# CONFIG_MMC is not set + +# +# LED devices +# +# CONFIG_NEW_LEDS is not set + +# +# LED drivers +# + +# +# LED Triggers +# + +# +# InfiniBand support +# + +# +# EDAC - error detection and reporting (RAS) (EXPERIMENTAL) +# + +# +# Real Time Clock +# +CONFIG_RTC_LIB=y +CONFIG_RTC_CLASS=y +CONFIG_RTC_HCTOSYS=y +CONFIG_RTC_HCTOSYS_DEVICE="rtc0" +# CONFIG_RTC_DEBUG is not set + +# +# RTC interfaces +# +CONFIG_RTC_INTF_SYSFS=y +CONFIG_RTC_INTF_PROC=y +CONFIG_RTC_INTF_DEV=y +# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set +# CONFIG_RTC_DRV_TEST is not set + +# +# I2C RTC drivers +# + +# +# SPI RTC drivers +# + +# +# Platform RTC drivers +# +# CONFIG_RTC_DRV_DS1553 is not set +# CONFIG_RTC_DRV_DS1742 is not set +# CONFIG_RTC_DRV_M48T86 is not set +# CONFIG_RTC_DRV_V3020 is not set + +# +# on-CPU RTC drivers +# +CONFIG_RTC_DRV_SH=y + +# +# DMA Engine support +# +# CONFIG_DMA_ENGINE is not set + +# +# DMA Clients +# + +# +# DMA Devices +# + +# +# File systems +# +CONFIG_EXT2_FS=y +# CONFIG_EXT2_FS_XATTR is not set +# CONFIG_EXT2_FS_XIP is not set +CONFIG_EXT3_FS=y +CONFIG_EXT3_FS_XATTR=y +# CONFIG_EXT3_FS_POSIX_ACL is not set +# CONFIG_EXT3_FS_SECURITY is not set +# CONFIG_EXT4DEV_FS is not set +CONFIG_JBD=y +# CONFIG_JBD_DEBUG is not set +CONFIG_FS_MBCACHE=y +# CONFIG_REISERFS_FS is not set +# CONFIG_JFS_FS is not set +# CONFIG_FS_POSIX_ACL is not set +# CONFIG_XFS_FS is not set +# CONFIG_GFS2_FS is not set +# CONFIG_MINIX_FS is not set +# CONFIG_ROMFS_FS is not set +CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y +# CONFIG_QUOTA is not set +CONFIG_DNOTIFY=y +# CONFIG_AUTOFS_FS is not set +# CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set + +# +# CD-ROM/DVD Filesystems +# +# CONFIG_ISO9660_FS is not set +# CONFIG_UDF_FS is not set + +# +# DOS/FAT/NT Filesystems +# +# CONFIG_MSDOS_FS is not set +# CONFIG_VFAT_FS is not set +# CONFIG_NTFS_FS is not set + +# +# Pseudo filesystems +# +CONFIG_PROC_FS=y +CONFIG_PROC_KCORE=y +CONFIG_PROC_SYSCTL=y +CONFIG_SYSFS=y +CONFIG_TMPFS=y +# CONFIG_TMPFS_POSIX_ACL is not set +CONFIG_HUGETLBFS=y +CONFIG_HUGETLB_PAGE=y +CONFIG_RAMFS=y +# CONFIG_CONFIGFS_FS is not set + +# +# Miscellaneous filesystems +# +# CONFIG_ADFS_FS is not set +# CONFIG_AFFS_FS is not set +# CONFIG_HFS_FS is not set +# CONFIG_HFSPLUS_FS is not set +# CONFIG_BEFS_FS is not set +# CONFIG_BFS_FS is not set +# CONFIG_EFS_FS is not set +# CONFIG_CRAMFS is not set +# CONFIG_VXFS_FS is not set +# CONFIG_HPFS_FS is not set +# CONFIG_QNX4FS_FS is not set +# CONFIG_SYSV_FS is not set +# CONFIG_UFS_FS is not set + +# +# Partition Types +# +# CONFIG_PARTITION_ADVANCED is not set +CONFIG_MSDOS_PARTITION=y + +# +# Native Language Support +# +# CONFIG_NLS is not set + +# +# Profiling support +# +CONFIG_PROFILING=y +# CONFIG_OPROFILE is not set + +# +# Kernel hacking +# +CONFIG_TRACE_IRQFLAGS_SUPPORT=y +CONFIG_PRINTK_TIME=y +# CONFIG_ENABLE_MUST_CHECK is not set +CONFIG_MAGIC_SYSRQ=y +# CONFIG_UNUSED_SYMBOLS is not set +CONFIG_DEBUG_FS=y +# CONFIG_HEADERS_CHECK is not set +CONFIG_DEBUG_KERNEL=y +# CONFIG_DEBUG_SHIRQ is not set +CONFIG_DETECT_SOFTLOCKUP=y +# CONFIG_SCHEDSTATS is not set +# CONFIG_TIMER_STATS is not set +CONFIG_DEBUG_SLAB=y +CONFIG_DEBUG_SLAB_LEAK=y +CONFIG_DEBUG_PREEMPT=y +# CONFIG_DEBUG_RT_MUTEXES is not set +# CONFIG_RT_MUTEX_TESTER is not set +CONFIG_DEBUG_SPINLOCK=y +CONFIG_DEBUG_MUTEXES=y +CONFIG_DEBUG_LOCK_ALLOC=y +# CONFIG_PROVE_LOCKING is not set +CONFIG_LOCKDEP=y +CONFIG_DEBUG_LOCKDEP=y +# CONFIG_DEBUG_SPINLOCK_SLEEP is not set +# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set +CONFIG_STACKTRACE=y +# CONFIG_DEBUG_KOBJECT is not set +CONFIG_DEBUG_BUGVERBOSE=y +# CONFIG_DEBUG_INFO is not set +CONFIG_DEBUG_VM=y +# CONFIG_DEBUG_LIST is not set +CONFIG_FRAME_POINTER=y +CONFIG_FORCED_INLINING=y +# CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_FAULT_INJECTION is not set +CONFIG_SH_STANDARD_BIOS=y +# CONFIG_EARLY_SCIF_CONSOLE is not set +CONFIG_EARLY_PRINTK=y +# CONFIG_DEBUG_BOOTMEM is not set +CONFIG_DEBUG_STACKOVERFLOW=y +CONFIG_DEBUG_STACK_USAGE=y +# CONFIG_4KSTACKS is not set +# CONFIG_SH_KGDB is not set + +# +# Security options +# +# CONFIG_KEYS is not set +# CONFIG_SECURITY is not set + +# +# Cryptographic options +# +# CONFIG_CRYPTO is not set + +# +# Library routines +# +CONFIG_BITREVERSE=y +# CONFIG_CRC_CCITT is not set +# CONFIG_CRC16 is not set +# CONFIG_CRC_ITU_T is not set +CONFIG_CRC32=y +# CONFIG_LIBCRC32C is not set +CONFIG_PLIST=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +CONFIG_HAS_DMA=y diff --git a/arch/sh/drivers/dma/Kconfig b/arch/sh/drivers/dma/Kconfig index 99935f9..3338980 100644 --- a/arch/sh/drivers/dma/Kconfig +++ b/arch/sh/drivers/dma/Kconfig @@ -36,23 +36,6 @@ config NR_DMA_CHANNELS support. Setting this to a higher value allows for cascading DMACs with additional channels. -config DMA_PAGE_OPS - bool "Use DMAC for page copy/clear" - depends on SH_DMA && BROKEN - help - Selecting this option will use a dual-address mode configured channel - in the SH DMAC for copy_page()/clear_page(). Primarily a performance - hack. - -config DMA_PAGE_OPS_CHANNEL - depends on DMA_PAGE_OPS - int "DMA channel for sh memory-manager page copy/clear" - default "3" - help - This allows the specification of the dual address dma channel, - in case channel 3 is unavailable. On the SH4, channels 1,2, and 3 - are dual-address capable. - config SH_DMABRG bool "SH7760 DMABRG support" depends on CPU_SUBTYPE_SH7760 diff --git a/arch/sh/drivers/pci/Kconfig b/arch/sh/drivers/pci/Kconfig index 6d1cbbe..fbc6f2c 100644 --- a/arch/sh/drivers/pci/Kconfig +++ b/arch/sh/drivers/pci/Kconfig @@ -1,5 +1,6 @@ config PCI bool "PCI support" + depends on SYS_SUPPORTS_PCI help Find out whether you have a PCI motherboard. PCI is the name of a bus system, i.e. the way the CPU talks to the other stuff inside diff --git a/arch/sh/kernel/Makefile b/arch/sh/kernel/Makefile index 9104b62..1f141a8 100644 --- a/arch/sh/kernel/Makefile +++ b/arch/sh/kernel/Makefile @@ -4,10 +4,9 @@ extra-y := head.o init_task.o vmlinux.lds -obj-y := process.o signal.o traps.o irq.o \ - ptrace.o setup.o time.o sys_sh.o semaphore.o \ - io.o io_generic.o sh_ksyms.o syscalls.o \ - debugtraps.o +obj-y := debugtraps.o io.o io_generic.o irq.o machvec.o process.o ptrace.o \ + semaphore.o setup.o signal.o sys_sh.o syscalls.o \ + time.o topology.o traps.o obj-y += cpu/ timers/ obj-$(CONFIG_VSYSCALL) += vsyscall/ @@ -17,7 +16,7 @@ obj-$(CONFIG_CF_ENABLER) += cf-enabler.o obj-$(CONFIG_SH_STANDARD_BIOS) += sh_bios.o obj-$(CONFIG_SH_KGDB) += kgdb_stub.o kgdb_jmp.o obj-$(CONFIG_SH_CPU_FREQ) += cpufreq.o -obj-$(CONFIG_MODULES) += module.o +obj-$(CONFIG_MODULES) += sh_ksyms.o module.o obj-$(CONFIG_EARLY_PRINTK) += early_printk.o obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o obj-$(CONFIG_CRASH_DUMP) += crash_dump.o diff --git a/arch/sh/kernel/cf-enabler.c b/arch/sh/kernel/cf-enabler.c index ebc73b8..1c3b996 100644 --- a/arch/sh/kernel/cf-enabler.c +++ b/arch/sh/kernel/cf-enabler.c @@ -75,11 +75,7 @@ static int __init cf_init_default(void) #if defined(CONFIG_CPU_SH4) allocate_cf_area(); #endif -#if defined(CONFIG_SH_UNKNOWN) - /* This should be done in each board's init_xxx_irq. */ - make_imask_irq(14); - disable_irq(14); -#endif + return 0; } diff --git a/arch/sh/kernel/cpu/init.c b/arch/sh/kernel/cpu/init.c index 6451ad6..9172e97 100644 --- a/arch/sh/kernel/cpu/init.c +++ b/arch/sh/kernel/cpu/init.c @@ -21,8 +21,7 @@ #include <asm/cacheflush.h> #include <asm/cache.h> #include <asm/io.h> - -extern void detect_cpu_and_cache_system(void); +#include <asm/ubc.h> /* * Generic wrapper for command line arguments to disable on-chip @@ -152,15 +151,6 @@ static void __init cache_init(void) flags |= CCR_CACHE_CB; #endif -#ifdef CONFIG_SH_OCRAM - /* Turn on OCRAM -- halve the OC */ - flags |= CCR_CACHE_ORA; - current_cpu_data.dcache.sets >>= 1; - - current_cpu_data.dcache.way_size = current_cpu_data.dcache.sets * - current_cpu_data.dcache.linesz; -#endif - ctrl_outl(flags, CCR); back_to_P1(); } @@ -269,7 +259,6 @@ asmlinkage void __init sh_cpu_init(void) } #endif -#ifdef CONFIG_UBC_WAKEUP /* * Some brain-damaged loaders decided it would be a good idea to put * the UBC to sleep. This causes some issues when it comes to things @@ -277,7 +266,5 @@ asmlinkage void __init sh_cpu_init(void) * we wake it up and hope that all is well. */ ubc_wakeup(); -#endif - speculative_execution_init(); } diff --git a/arch/sh/kernel/cpu/irq/intc2.c b/arch/sh/kernel/cpu/irq/intc2.c index d8e22f4..cc52213 100644 --- a/arch/sh/kernel/cpu/irq/intc2.c +++ b/arch/sh/kernel/cpu/irq/intc2.c @@ -13,36 +13,31 @@ #include <linux/kernel.h> #include <linux/interrupt.h> #include <linux/io.h> +#include <asm/smp.h> -#if defined(CONFIG_CPU_SUBTYPE_SH7760) -#define INTC2_BASE 0xfe080000 -#define INTC2_INTMSK (INTC2_BASE + 0x40) -#define INTC2_INTMSKCLR (INTC2_BASE + 0x60) -#elif defined(CONFIG_CPU_SUBTYPE_SH7780) || \ - defined(CONFIG_CPU_SUBTYPE_SH7785) -#define INTC2_BASE 0xffd40000 -#define INTC2_INTMSK (INTC2_BASE + 0x38) -#define INTC2_INTMSKCLR (INTC2_BASE + 0x3c) -#endif +static inline struct intc2_desc *get_intc2_desc(unsigned int irq) +{ + struct irq_chip *chip = get_irq_chip(irq); + return (void *)((char *)chip - offsetof(struct intc2_desc, chip)); +} static void disable_intc2_irq(unsigned int irq) { struct intc2_data *p = get_irq_chip_data(irq); - ctrl_outl(1 << p->msk_shift, INTC2_INTMSK + p->msk_offset); + struct intc2_desc *d = get_intc2_desc(irq); + + ctrl_outl(1 << p->msk_shift, d->msk_base + p->msk_offset + + (hard_smp_processor_id() * 4)); } static void enable_intc2_irq(unsigned int irq) { struct intc2_data *p = get_irq_chip_data(irq); - ctrl_outl(1 << p->msk_shift, INTC2_INTMSKCLR + p->msk_offset); -} + struct intc2_desc *d = get_intc2_desc(irq); -static struct irq_chip intc2_irq_chip = { - .name = "INTC2", - .mask = disable_intc2_irq, - .unmask = enable_intc2_irq, - .mask_ack = disable_intc2_irq, -}; + ctrl_outl(1 << p->msk_shift, d->mskclr_base + p->msk_offset + + (hard_smp_processor_id() * 4)); +} /* * Setup an INTC2 style interrupt. @@ -56,30 +51,36 @@ static struct irq_chip intc2_irq_chip = { * * in the intc2_data table. */ -void make_intc2_irq(struct intc2_data *table, unsigned int nr_irqs) +void register_intc2_controller(struct intc2_desc *desc) { int i; - for (i = 0; i < nr_irqs; i++) { + desc->chip.mask = disable_intc2_irq; + desc->chip.unmask = enable_intc2_irq; + desc->chip.mask_ack = disable_intc2_irq; + + for (i = 0; i < desc->nr_irqs; i++) { unsigned long ipr, flags; - struct intc2_data *p = table + i; + struct intc2_data *p = desc->intc2_data + i; disable_irq_nosync(p->irq); - /* Set the priority level */ - local_irq_save(flags); + if (desc->prio_base) { + /* Set the priority level */ + local_irq_save(flags); - ipr = ctrl_inl(INTC2_BASE + p->ipr_offset); - ipr &= ~(0xf << p->ipr_shift); - ipr |= p->priority << p->ipr_shift; - ctrl_outl(ipr, INTC2_BASE + p->ipr_offset); + ipr = ctrl_inl(desc->prio_base + p->ipr_offset); + ipr &= ~(0xf << p->ipr_shift); + ipr |= p->priority << p->ipr_shift; + ctrl_outl(ipr, desc->prio_base + p->ipr_offset); - local_irq_restore(flags); + local_irq_restore(flags); + } - set_irq_chip_and_handler_name(p->irq, &intc2_irq_chip, + set_irq_chip_and_handler_name(p->irq, &desc->chip, handle_level_irq, "level"); set_irq_chip_data(p->irq, p); - enable_intc2_irq(p->irq); + disable_intc2_irq(p->irq); } } diff --git a/arch/sh/kernel/cpu/irq/ipr.c b/arch/sh/kernel/cpu/irq/ipr.c index 210280b..98e84f4 100644 --- a/arch/sh/kernel/cpu/irq/ipr.c +++ b/arch/sh/kernel/cpu/irq/ipr.c @@ -22,58 +22,57 @@ #include <linux/io.h> #include <linux/interrupt.h> +static inline struct ipr_desc *get_ipr_desc(unsigned int irq) +{ + struct irq_chip *chip = get_irq_chip(irq); + return (void *)((char *)chip - offsetof(struct ipr_desc, chip)); +} + static void disable_ipr_irq(unsigned int irq) { struct ipr_data *p = get_irq_chip_data(irq); + unsigned long addr = get_ipr_desc(irq)->ipr_offsets[p->ipr_idx]; /* Set the priority in IPR to 0 */ - ctrl_outw(ctrl_inw(p->addr) & (0xffff ^ (0xf << p->shift)), p->addr); + ctrl_outw(ctrl_inw(addr) & (0xffff ^ (0xf << p->shift)), addr); } static void enable_ipr_irq(unsigned int irq) { struct ipr_data *p = get_irq_chip_data(irq); + unsigned long addr = get_ipr_desc(irq)->ipr_offsets[p->ipr_idx]; /* Set priority in IPR back to original value */ - ctrl_outw(ctrl_inw(p->addr) | (p->priority << p->shift), p->addr); + ctrl_outw(ctrl_inw(addr) | (p->priority << p->shift), addr); } -static struct irq_chip ipr_irq_chip = { - .name = "IPR", - .mask = disable_ipr_irq, - .unmask = enable_ipr_irq, - .mask_ack = disable_ipr_irq, -}; - -unsigned int map_ipridx_to_addr(int idx) __attribute__ ((weak)); -unsigned int map_ipridx_to_addr(int idx) -{ - return 0; -} +/* + * The shift value is now the number of bits to shift, not the number of + * bits/4. This is to make it easier to read the value directly from the + * datasheets. The IPR address is calculated using the ipr_offset table. + */ -void make_ipr_irq(struct ipr_data *table, unsigned int nr_irqs) +void register_ipr_controller(struct ipr_desc *desc) { int i; - for (i = 0; i < nr_irqs; i++) { - unsigned int irq = table[i].irq; + desc->chip.mask = disable_ipr_irq; + desc->chip.unmask = enable_ipr_irq; + desc->chip.mask_ack = disable_ipr_irq; - if (!irq) - irq = table[i].irq = i; + for (i = 0; i < desc->nr_irqs; i++) { + struct ipr_data *p = desc->ipr_data + i; - /* could the IPR index be mapped, if not we ignore this */ - if (!table[i].addr) { - table[i].addr = map_ipridx_to_addr(table[i].ipr_idx); - if (!table[i].addr) - continue; - } + BUG_ON(p->ipr_idx >= desc->nr_offsets); + BUG_ON(!desc->ipr_offsets[p->ipr_idx]); - disable_irq_nosync(irq); - set_irq_chip_and_handler_name(irq, &ipr_irq_chip, + disable_irq_nosync(p->irq); + set_irq_chip_and_handler_name(p->irq, &desc->chip, handle_level_irq, "level"); - set_irq_chip_data(irq, &table[i]); - enable_ipr_irq(irq); + set_irq_chip_data(p->irq, p); + disable_ipr_irq(p->irq); } } -EXPORT_SYMBOL(make_ipr_irq); + +EXPORT_SYMBOL(register_ipr_controller); #if !defined(CONFIG_CPU_HAS_PINT_IRQ) int ipr_irq_demux(int irq) diff --git a/arch/sh/kernel/cpu/sh2/entry.S b/arch/sh/kernel/cpu/sh2/entry.S index c16dc8f..ee8f1fe 100644 --- a/arch/sh/kernel/cpu/sh2/entry.S +++ b/arch/sh/kernel/cpu/sh2/entry.S @@ -311,6 +311,7 @@ restore_all: rte nop + .align 2 #ifdef CONFIG_TRACE_IRQFLAGS 1: .long trace_hardirqs_off #endif diff --git a/arch/sh/kernel/cpu/sh2/probe.c b/arch/sh/kernel/cpu/sh2/probe.c index 108e81b..abbf174 100644 --- a/arch/sh/kernel/cpu/sh2/probe.c +++ b/arch/sh/kernel/cpu/sh2/probe.c @@ -9,23 +9,14 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. */ - - #include <linux/init.h> +#include <linux/smp.h> #include <asm/processor.h> #include <asm/cache.h> int __init detect_cpu_and_cache_system(void) { -#if defined(CONFIG_CPU_SUBTYPE_SH7604) - current_cpu_data.type = CPU_SH7604; - current_cpu_data.dcache.ways = 4; - current_cpu_data.dcache.way_incr = (1<<10); - current_cpu_data.dcache.sets = 64; - current_cpu_data.dcache.entry_shift = 4; - current_cpu_data.dcache.linesz = L1_CACHE_BYTES; - current_cpu_data.dcache.flags = 0; -#elif defined(CONFIG_CPU_SUBTYPE_SH7619) +#if defined(CONFIG_CPU_SUBTYPE_SH7619) current_cpu_data.type = CPU_SH7619; current_cpu_data.dcache.ways = 4; current_cpu_data.dcache.way_incr = (1<<12); diff --git a/arch/sh/kernel/cpu/sh2/setup-sh7619.c b/arch/sh/kernel/cpu/sh2/setup-sh7619.c index f83ff8a..1a107fe 100644 --- a/arch/sh/kernel/cpu/sh2/setup-sh7619.c +++ b/arch/sh/kernel/cpu/sh2/setup-sh7619.c @@ -52,7 +52,7 @@ static int __init sh7619_devices_setup(void) } __initcall(sh7619_devices_setup); -static struct ipr_data sh7619_ipr_map[] = { +static struct ipr_data ipr_irq_table[] = { { 86, 0, 4, 2 }, /* CMI0 */ { 88, 1, 12, 3 }, /* SCIF0_ERI */ { 89, 1, 12, 3 }, /* SCIF0_RXI */ @@ -68,7 +68,7 @@ static struct ipr_data sh7619_ipr_map[] = { { 99, 1, 4, 3 }, /* SCIF2_TXI */ }; -static unsigned int ipr_offsets[] = { +static unsigned long ipr_offsets[] = { 0xf8080000, /* IPRC */ 0xf8080002, /* IPRD */ 0xf8080004, /* IPRE */ @@ -76,15 +76,19 @@ static unsigned int ipr_offsets[] = { 0xf8080008, /* IPRG */ }; -/* given the IPR index return the address of the IPR register */ -unsigned int map_ipridx_to_addr(int idx) -{ - if (unlikely(idx >= ARRAY_SIZE(ipr_offsets))) - return 0; - return ipr_offsets[idx]; -} +static struct ipr_desc ipr_irq_desc = { + .ipr_offsets = ipr_offsets, + .nr_offsets = ARRAY_SIZE(ipr_offsets), + + .ipr_data = ipr_irq_table, + .nr_irqs = ARRAY_SIZE(ipr_irq_table), + + .chip = { + .name = "IPR-sh7619", + }, +}; void __init init_IRQ_ipr(void) { - make_ipr_irq(sh7619_ipr_map, ARRAY_SIZE(sh7619_ipr_map)); + register_ipr_controller(&ipr_irq_desc); } diff --git a/arch/sh/kernel/cpu/sh2a/setup-sh7206.c b/arch/sh/kernel/cpu/sh2a/setup-sh7206.c index 4ed9110..b6e3a63 100644 --- a/arch/sh/kernel/cpu/sh2a/setup-sh7206.c +++ b/arch/sh/kernel/cpu/sh2a/setup-sh7206.c @@ -57,7 +57,7 @@ static int __init sh7206_devices_setup(void) } __initcall(sh7206_devices_setup); -static struct ipr_data sh7206_ipr_map[] = { +static struct ipr_data ipr_irq_table[] = { { 140, 7, 12, 2 }, /* CMI0 */ { 164, 8, 4, 2 }, /* MTU2_TGI1A */ { 240, 13, 12, 3 }, /* SCIF0_BRI */ @@ -78,7 +78,7 @@ static struct ipr_data sh7206_ipr_map[] = { { 255, 13, 0, 3 }, /* SCIF3_TXI */ }; -static unsigned int ipr_offsets[] = { +static unsigned long ipr_offsets[] = { 0xfffe0818, /* IPR01 */ 0xfffe081a, /* IPR02 */ 0, /* unused */ @@ -95,15 +95,19 @@ static unsigned int ipr_offsets[] = { 0xfffe0c10, /* IPR14 */ }; -/* given the IPR index return the address of the IPR register */ -unsigned int map_ipridx_to_addr(int idx) -{ - if (unlikely(idx >= ARRAY_SIZE(ipr_offsets))) - return 0; - return ipr_offsets[idx]; -} +static struct ipr_desc ipr_irq_desc = { + .ipr_offsets = ipr_offsets, + .nr_offsets = ARRAY_SIZE(ipr_offsets), + + .ipr_data = ipr_irq_table, + .nr_irqs = ARRAY_SIZE(ipr_irq_table), + + .chip = { + .name = "IPR-sh7206", + }, +}; void __init init_IRQ_ipr(void) { - make_ipr_irq(sh7206_ipr_map, ARRAY_SIZE(sh7206_ipr_map)); + register_ipr_controller(&ipr_irq_desc); } diff --git a/arch/sh/kernel/cpu/sh3/entry.S b/arch/sh/kernel/cpu/sh3/entry.S index b0b59d4..d8e1229 100644 --- a/arch/sh/kernel/cpu/sh3/entry.S +++ b/arch/sh/kernel/cpu/sh3/entry.S @@ -340,8 +340,27 @@ ENTRY(vbr_base) general_exception: mov.l 1f, k2 mov.l 2f, k3 +#ifdef CONFIG_CPU_SUBTYPE_SHX3 + mov.l @k2, k2 + + ! Is EXPEVT larger than 0x800? + mov #0x8, k0 + shll8 k0 + cmp/hs k0, k2 + bf 0f + + ! then add 0x580 (k2 is 0xd80 or 0xda0) + mov #0x58, k0 + shll2 k0 + shll2 k0 + add k0, k2 +0: + bra handle_exception + nop +#else bra handle_exception mov.l @k2, k2 +#endif .align 2 1: .long EXPEVT 2: .long ret_from_exception diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7705.c b/arch/sh/kernel/cpu/sh3/setup-sh7705.c index 1983fb7..a55b8ce 100644 --- a/arch/sh/kernel/cpu/sh3/setup-sh7705.c +++ b/arch/sh/kernel/cpu/sh3/setup-sh7705.c @@ -48,7 +48,7 @@ static int __init sh7705_devices_setup(void) } __initcall(sh7705_devices_setup); -static struct ipr_data sh7705_ipr_map[] = { +static struct ipr_data ipr_irq_table[] = { /* IRQ, IPR-idx, shift, priority */ { 16, 0, 12, 2 }, /* TMU0 TUNI*/ { 17, 0, 8, 2 }, /* TMU1 TUNI */ @@ -70,25 +70,29 @@ static struct ipr_data sh7705_ipr_map[] = { }; static unsigned long ipr_offsets[] = { - 0xFFFFFEE2 /* 0: IPRA */ -, 0xFFFFFEE4 /* 1: IPRB */ -, 0xA4000016 /* 2: IPRC */ -, 0xA4000018 /* 3: IPRD */ -, 0xA400001A /* 4: IPRE */ -, 0xA4080000 /* 5: IPRF */ -, 0xA4080002 /* 6: IPRG */ -, 0xA4080004 /* 7: IPRH */ + 0xFFFFFEE2, /* 0: IPRA */ + 0xFFFFFEE4, /* 1: IPRB */ + 0xA4000016, /* 2: IPRC */ + 0xA4000018, /* 3: IPRD */ + 0xA400001A, /* 4: IPRE */ + 0xA4080000, /* 5: IPRF */ + 0xA4080002, /* 6: IPRG */ + 0xA4080004, /* 7: IPRH */ }; -/* given the IPR index return the address of the IPR register */ -unsigned int map_ipridx_to_addr(int idx) -{ - if (idx >= ARRAY_SIZE(ipr_offsets)) - return 0; - return ipr_offsets[idx]; -} +static struct ipr_desc ipr_irq_desc = { + .ipr_offsets = ipr_offsets, + .nr_offsets = ARRAY_SIZE(ipr_offsets), + + .ipr_data = ipr_irq_table, + .nr_irqs = ARRAY_SIZE(ipr_irq_table), + + .chip = { + .name = "IPR-sh7705", + }, +}; -void __init init_IRQ_ipr() +void __init init_IRQ_ipr(void) { - make_ipr_irq(sh7705_ipr_map, ARRAY_SIZE(sh7705_ipr_map)); + register_ipr_controller(&ipr_irq_desc); } diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7709.c b/arch/sh/kernel/cpu/sh3/setup-sh7709.c index c7d7c35..d79ec0c 100644 --- a/arch/sh/kernel/cpu/sh3/setup-sh7709.c +++ b/arch/sh/kernel/cpu/sh3/setup-sh7709.c @@ -12,6 +12,26 @@ #include <linux/serial.h> #include <asm/sci.h> +static struct resource rtc_resources[] = { + [0] = { + .start = 0xfffffec0, + .end = 0xfffffec0 + 0x1e, + .flags = IORESOURCE_IO, + }, + [1] = { + .start = 20, + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = 21, + .flags = IORESOURCE_IRQ, + }, + [3] = { + .start = 22, + .flags = IORESOURCE_IRQ, + }, +}; + static struct plat_sci_port sci_platform_data[] = { { .mapbase = 0xfffffe80, @@ -41,8 +61,16 @@ static struct platform_device sci_device = { }, }; +static struct platform_device rtc_device = { + .name = "sh-rtc", + .id = -1, + .num_resources = ARRAY_SIZE(rtc_resources), + .resource = rtc_resources, +}; + static struct platform_device *sh7709_devices[] __initdata = { &sci_device, + &rtc_device, }; static int __init sh7709_devices_setup(void) @@ -52,32 +80,66 @@ static int __init sh7709_devices_setup(void) } __initcall(sh7709_devices_setup); -#define IPRx(A,N) .addr=A, .shift=N -#define IPRA(N) IPRx(0xfffffee2UL,N) -#define IPRB(N) IPRx(0xfffffee4UL,N) -#define IPRC(N) IPRx(0xa4000016UL,N) -#define IPRD(N) IPRx(0xa4000018UL,N) -#define IPRE(N) IPRx(0xa400001aUL,N) - -static struct ipr_data sh7709_ipr_map[] = { - [16] = { IPRA(12), 2 }, /* TMU TUNI0 */ - [17] = { IPRA(8), 4 }, /* TMU TUNI1 */ - [18 ... 19] = { IPRA(4), 1 }, /* TMU TUNI1 */ - [20 ... 22] = { IPRA(0), 2 }, /* RTC CUI */ - [23 ... 26] = { IPRB(4), 3 }, /* SCI */ - [27] = { IPRB(12), 2 }, /* WDT ITI */ - [32] = { IPRC(0), 1 }, /* IRQ 0 */ - [33] = { IPRC(4), 1 }, /* IRQ 1 */ - [34] = { IPRC(8), 1 }, /* IRQ 2 APM */ - [35] = { IPRC(12), 1 }, /* IRQ 3 TOUCHSCREEN */ - [36] = { IPRD(0), 1 }, /* IRQ 4 */ - [37] = { IPRD(4), 1 }, /* IRQ 5 */ - [48 ... 51] = { IPRE(12), 7 }, /* DMA */ - [52 ... 55] = { IPRE(8), 3 }, /* IRDA */ - [56 ... 59] = { IPRE(4), 3 }, /* SCIF */ +static struct ipr_data ipr_irq_table[] = { + { 16, 0, 12, 2 }, /* TMU TUNI0 */ + { 17, 0, 8, 4 }, /* TMU TUNI1 */ + { 18, 0, 4, 1 }, /* TMU TUNI1 */ + { 19, 0, 4, 1 }, /* TMU TUNI1 */ + { 20, 0, 0, 2 }, /* RTC CUI */ + { 21, 0, 0, 2 }, /* RTC CUI */ + { 22, 0, 0, 2 }, /* RTC CUI */ + + { 23, 1, 4, 3 }, /* SCI */ + { 24, 1, 4, 3 }, /* SCI */ + { 25, 1, 4, 3 }, /* SCI */ + { 26, 1, 4, 3 }, /* SCI */ + { 27, 1, 12, 3 }, /* WDT ITI */ + + { 32, 2, 0, 1 }, /* IRQ 0 */ + { 33, 2, 4, 1 }, /* IRQ 1 */ + { 34, 2, 8, 1 }, /* IRQ 2 APM */ + { 35, 2, 12, 1 }, /* IRQ 3 TOUCHSCREEN */ + + { 36, 3, 0, 1 }, /* IRQ 4 */ + { 37, 3, 4, 1 }, /* IRQ 5 */ + + { 48, 4, 12, 7 }, /* DMA */ + { 49, 4, 12, 7 }, /* DMA */ + { 50, 4, 12, 7 }, /* DMA */ + { 51, 4, 12, 7 }, /* DMA */ + + { 52, 4, 8, 3 }, /* IRDA */ + { 53, 4, 8, 3 }, /* IRDA */ + { 54, 4, 8, 3 }, /* IRDA */ + { 55, 4, 8, 3 }, /* IRDA */ + + { 56, 4, 4, 3 }, /* SCIF */ + { 57, 4, 4, 3 }, /* SCIF */ + { 58, 4, 4, 3 }, /* SCIF */ + { 59, 4, 4, 3 }, /* SCIF */ +}; + +static unsigned long ipr_offsets[] = { + 0xfffffee2, /* 0: IPRA */ + 0xfffffee4, /* 1: IPRB */ + 0xa4000016, /* 2: IPRC */ + 0xa4000018, /* 3: IPRD */ + 0xa400001a, /* 4: IPRE */ +}; + +static struct ipr_desc ipr_irq_desc = { + .ipr_offsets = ipr_offsets, + .nr_offsets = ARRAY_SIZE(ipr_offsets), + + .ipr_data = ipr_irq_table, + .nr_irqs = ARRAY_SIZE(ipr_irq_table), + + .chip = { + .name = "IPR-sh7709", + }, }; -void __init init_IRQ_ipr() +void __init init_IRQ_ipr(void) { - make_ipr_irq(sh7709_ipr_map, ARRAY_SIZE(sh7709_ipr_map)); + register_ipr_controller(&ipr_irq_desc); } diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7710.c b/arch/sh/kernel/cpu/sh3/setup-sh7710.c index 51760a7..f40e6da 100644 --- a/arch/sh/kernel/cpu/sh3/setup-sh7710.c +++ b/arch/sh/kernel/cpu/sh3/setup-sh7710.c @@ -49,7 +49,7 @@ static int __init sh7710_devices_setup(void) } __initcall(sh7710_devices_setup); -static struct ipr_data sh7710_ipr_map[] = { +static struct ipr_data ipr_irq_table[] = { /* IRQ, IPR-idx, shift, priority */ { 16, 0, 12, 2 }, /* TMU0 TUNI*/ { 17, 0, 8, 2 }, /* TMU1 TUNI */ @@ -78,26 +78,30 @@ static struct ipr_data sh7710_ipr_map[] = { }; static unsigned long ipr_offsets[] = { - 0xA414FEE2 /* 0: IPRA */ -, 0xA414FEE4 /* 1: IPRB */ -, 0xA4140016 /* 2: IPRC */ -, 0xA4140018 /* 3: IPRD */ -, 0xA414001A /* 4: IPRE */ -, 0xA4080000 /* 5: IPRF */ -, 0xA4080002 /* 6: IPRG */ -, 0xA4080004 /* 7: IPRH */ -, 0xA4080006 /* 8: IPRI */ + 0xA414FEE2, /* 0: IPRA */ + 0xA414FEE4, /* 1: IPRB */ + 0xA4140016, /* 2: IPRC */ + 0xA4140018, /* 3: IPRD */ + 0xA414001A, /* 4: IPRE */ + 0xA4080000, /* 5: IPRF */ + 0xA4080002, /* 6: IPRG */ + 0xA4080004, /* 7: IPRH */ + 0xA4080006, /* 8: IPRI */ }; -/* given the IPR index return the address of the IPR register */ -unsigned int map_ipridx_to_addr(int idx) -{ - if (idx >= ARRAY_SIZE(ipr_offsets)) - return 0; - return ipr_offsets[idx]; -} +static struct ipr_desc ipr_irq_desc = { + .ipr_offsets = ipr_offsets, + .nr_offsets = ARRAY_SIZE(ipr_offsets), + + .ipr_data = ipr_irq_table, + .nr_irqs = ARRAY_SIZE(ipr_irq_table), + + .chip = { + .name = "IPR-sh7710", + }, +}; -void __init init_IRQ_ipr() +void __init init_IRQ_ipr(void) { - make_ipr_irq(sh7710_ipr_map, ARRAY_SIZE(sh7710_ipr_map)); + register_ipr_controller(&ipr_irq_desc); } diff --git a/arch/sh/kernel/cpu/sh4/Makefile b/arch/sh/kernel/cpu/sh4/Makefile index 8add10b..dadd6bf 100644 --- a/arch/sh/kernel/cpu/sh4/Makefile +++ b/arch/sh/kernel/cpu/sh4/Makefile @@ -10,7 +10,11 @@ obj-$(CONFIG_SH_STORE_QUEUES) += sq.o # CPU subtype setup obj-$(CONFIG_CPU_SUBTYPE_SH7750) += setup-sh7750.o +obj-$(CONFIG_CPU_SUBTYPE_SH7750R) += setup-sh7750.o +obj-$(CONFIG_CPU_SUBTYPE_SH7750S) += setup-sh7750.o +obj-$(CONFIG_CPU_SUBTYPE_SH7091) += setup-sh7750.o obj-$(CONFIG_CPU_SUBTYPE_SH7751) += setup-sh7750.o +obj-$(CONFIG_CPU_SUBTYPE_SH7751R) += setup-sh7750.o obj-$(CONFIG_CPU_SUBTYPE_SH7760) += setup-sh7760.o obj-$(CONFIG_CPU_SUBTYPE_SH4_202) += setup-sh4-202.o diff --git a/arch/sh/kernel/cpu/sh4/probe.c b/arch/sh/kernel/cpu/sh4/probe.c index fab2eb0..66c3f75 100644 --- a/arch/sh/kernel/cpu/sh4/probe.c +++ b/arch/sh/kernel/cpu/sh4/probe.c @@ -141,6 +141,14 @@ int __init detect_cpu_and_cache_system(void) current_cpu_data.flags |= CPU_HAS_LLSC; } break; + case 0x4000: /* 1st cut */ + case 0x4001: /* 2nd cut */ + current_cpu_data.type = CPU_SHX3; + current_cpu_data.icache.ways = 4; + current_cpu_data.dcache.ways = 4; + current_cpu_data.flags |= CPU_HAS_FPU | CPU_HAS_PERF_COUNTER | + CPU_HAS_LLSC; + break; case 0x8000: current_cpu_data.type = CPU_ST40RA; current_cpu_data.flags |= CPU_HAS_FPU; diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7750.c b/arch/sh/kernel/cpu/sh4/setup-sh7750.c index 03b14cf..da153bc 100644 --- a/arch/sh/kernel/cpu/sh4/setup-sh7750.c +++ b/arch/sh/kernel/cpu/sh4/setup-sh7750.c @@ -82,7 +82,7 @@ static int __init sh7750_devices_setup(void) } __initcall(sh7750_devices_setup); -static struct ipr_data sh7750_ipr_map[] = { +static struct ipr_data ipr_irq_table[] = { /* IRQ, IPR-idx, shift, priority */ { 16, 0, 12, 2 }, /* TMU0 TUNI*/ { 17, 0, 12, 2 }, /* TMU1 TUNI */ @@ -106,8 +106,27 @@ static struct ipr_data sh7750_ipr_map[] = { { 38, 2, 8, 7 }, /* DMAC DMAE */ }; +static unsigned long ipr_offsets[] = { + 0xffd00004UL, /* 0: IPRA */ + 0xffd00008UL, /* 1: IPRB */ + 0xffd0000cUL, /* 2: IPRC */ + 0xffd00010UL, /* 3: IPRD */ +}; + +static struct ipr_desc ipr_irq_desc = { + .ipr_offsets = ipr_offsets, + .nr_offsets = ARRAY_SIZE(ipr_offsets), + + .ipr_data = ipr_irq_table, + .nr_irqs = ARRAY_SIZE(ipr_irq_table), + + .chip = { + .name = "IPR-sh7750", + }, +}; + #ifdef CONFIG_CPU_SUBTYPE_SH7751 -static struct ipr_data sh7751_ipr_map[] = { +static struct ipr_data ipr_irq_table_sh7751[] = { { 44, 2, 8, 7 }, /* DMAC DMTE4 */ { 45, 2, 8, 7 }, /* DMAC DMTE5 */ { 46, 2, 8, 7 }, /* DMAC DMTE6 */ @@ -118,21 +137,26 @@ static struct ipr_data sh7751_ipr_map[] = { /*{ 72, INTPRI00, 8, ? },*/ /* TMU3 TUNI */ /*{ 76, INTPRI00, 12, ? },*/ /* TMU4 TUNI */ }; -#endif -static unsigned long ipr_offsets[] = { - 0xffd00004UL, /* 0: IPRA */ - 0xffd00008UL, /* 1: IPRB */ - 0xffd0000cUL, /* 2: IPRC */ - 0xffd00010UL, /* 3: IPRD */ +static struct ipr_desc ipr_irq_desc_sh7751 = { + .ipr_offsets = ipr_offsets, + .nr_offsets = ARRAY_SIZE(ipr_offsets), + + .ipr_data = ipr_irq_table_sh7751, + .nr_irqs = ARRAY_SIZE(ipr_irq_table_sh7751), + + .chip = { + .name = "IPR-sh7751", + }, }; +#endif -/* given the IPR index return the address of the IPR register */ -unsigned int map_ipridx_to_addr(int idx) +void __init init_IRQ_ipr(void) { - if (idx >= ARRAY_SIZE(ipr_offsets)) - return 0; - return ipr_offsets[idx]; + register_ipr_controller(&ipr_irq_desc); +#ifdef CONFIG_CPU_SUBTYPE_SH7751 + register_ipr_controller(&ipr_irq_desc_sh7751); +#endif } #define INTC_ICR 0xffd00000UL @@ -143,11 +167,3 @@ void ipr_irq_enable_irlm(void) { ctrl_outw(ctrl_inw(INTC_ICR) | INTC_ICR_IRLM, INTC_ICR); } - -void __init init_IRQ_ipr() -{ - make_ipr_irq(sh7750_ipr_map, ARRAY_SIZE(sh7750_ipr_map)); -#ifdef CONFIG_CPU_SUBTYPE_SH7751 - make_ipr_irq(sh7751_ipr_map, ARRAY_SIZE(sh7751_ipr_map)); -#endif -} diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7760.c b/arch/sh/kernel/cpu/sh4/setup-sh7760.c index b7c7028..3df1697 100644 --- a/arch/sh/kernel/cpu/sh4/setup-sh7760.c +++ b/arch/sh/kernel/cpu/sh4/setup-sh7760.c @@ -96,7 +96,25 @@ static struct intc2_data intc2_irq_table[] = { {109,12, 0, 4, 0, 3}, /* CMTI */ }; -static struct ipr_data sh7760_ipr_map[] = { +static struct intc2_desc intc2_irq_desc __read_mostly = { + .prio_base = 0xfe080000, + .msk_base = 0xfe080040, + .mskclr_base = 0xfe080060, + + .intc2_data = intc2_irq_table, + .nr_irqs = ARRAY_SIZE(intc2_irq_table), + + .chip = { + .name = "INTC2-sh7760", + }, +}; + +void __init init_IRQ_intc2(void) +{ + register_intc2_controller(&intc2_irq_desc); +} + +static struct ipr_data ipr_irq_table[] = { /* IRQ, IPR-idx, shift, priority */ { 16, 0, 12, 2 }, /* TMU0 TUNI*/ { 17, 0, 8, 2 }, /* TMU1 TUNI */ @@ -133,20 +151,19 @@ static unsigned long ipr_offsets[] = { 0xffd00010UL, /* 3: IPRD */ }; -/* given the IPR index return the address of the IPR register */ -unsigned int map_ipridx_to_addr(int idx) -{ - if (idx >= ARRAY_SIZE(ipr_offsets)) - return 0; - return ipr_offsets[idx]; -} +static struct ipr_desc ipr_irq_desc = { + .ipr_offsets = ipr_offsets, + .nr_offsets = ARRAY_SIZE(ipr_offsets), -void __init init_IRQ_intc2(void) -{ - make_intc2_irq(intc2_irq_table, ARRAY_SIZE(intc2_irq_table)); -} + .ipr_data = ipr_irq_table, + .nr_irqs = ARRAY_SIZE(ipr_irq_table), + + .chip = { + .name = "IPR-sh7760", + }, +}; -void __init init_IRQ_ipr(void) +void __init init_IRQ_ipr(void) { - make_ipr_irq(sh7760_ipr_map, ARRAY_SIZE(sh7760_ipr_map)); + register_ipr_controller(&ipr_irq_desc); } diff --git a/arch/sh/kernel/cpu/sh4a/Makefile b/arch/sh/kernel/cpu/sh4a/Makefile index ab7422f..4006232 100644 --- a/arch/sh/kernel/cpu/sh4a/Makefile +++ b/arch/sh/kernel/cpu/sh4a/Makefile @@ -9,6 +9,7 @@ obj-$(CONFIG_CPU_SUBTYPE_SH7785) += setup-sh7785.o obj-$(CONFIG_CPU_SUBTYPE_SH73180) += setup-sh73180.o obj-$(CONFIG_CPU_SUBTYPE_SH7343) += setup-sh7343.o obj-$(CONFIG_CPU_SUBTYPE_SH7722) += setup-sh7722.o +obj-$(CONFIG_CPU_SUBTYPE_SHX3) += setup-shx3.o # Primary on-chip clocks (common) clock-$(CONFIG_CPU_SUBTYPE_SH73180) := clock-sh73180.o @@ -17,5 +18,6 @@ clock-$(CONFIG_CPU_SUBTYPE_SH7780) := clock-sh7780.o clock-$(CONFIG_CPU_SUBTYPE_SH7785) := clock-sh7785.o clock-$(CONFIG_CPU_SUBTYPE_SH7343) := clock-sh7343.o clock-$(CONFIG_CPU_SUBTYPE_SH7722) := clock-sh7722.o +clock-$(CONFIG_CPU_SUBTYPE_SHX3) := clock-shx3.o obj-y += $(clock-y) diff --git a/arch/sh/kernel/cpu/sh4a/clock-shx3.c b/arch/sh/kernel/cpu/sh4a/clock-shx3.c new file mode 100644 index 0000000..c630b29 --- /dev/null +++ b/arch/sh/kernel/cpu/sh4a/clock-shx3.c @@ -0,0 +1,135 @@ +/* + * arch/sh/kernel/cpu/sh4/clock-shx3.c + * + * SH-X3 support for the clock framework + * + * Copyright (C) 2006-2007 Renesas Technology Corp. + * Copyright (C) 2006-2007 Renesas Solutions Corp. + * Copyright (C) 2006-2007 Paul Mundt + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#include <linux/init.h> +#include <linux/kernel.h> +#include <asm/clock.h> +#include <asm/freq.h> +#include <asm/io.h> + +static int ifc_divisors[] = { 1, 2, 4 ,6 }; +static int bfc_divisors[] = { 1, 1, 1, 1, 1, 12, 16, 18, 24, 32, 36, 48 }; +static int pfc_divisors[] = { 1, 1, 1, 1, 1, 1, 1, 18, 24, 32, 36, 48 }; +static int cfc_divisors[] = { 1, 1, 4, 6 }; + +#define IFC_POS 28 +#define IFC_MSK 0x0003 +#define BFC_MSK 0x000f +#define PFC_MSK 0x000f +#define CFC_MSK 0x0003 +#define BFC_POS 16 +#define PFC_POS 0 +#define CFC_POS 20 + +static void master_clk_init(struct clk *clk) +{ + clk->rate *= pfc_divisors[(ctrl_inl(FRQCR) >> PFC_POS) & PFC_MSK]; +} + +static struct clk_ops shx3_master_clk_ops = { + .init = master_clk_init, +}; + +static void module_clk_recalc(struct clk *clk) +{ + int idx = ((ctrl_inl(FRQCR) >> PFC_POS) & PFC_MSK); + clk->rate = clk->parent->rate / pfc_divisors[idx]; +} + +static struct clk_ops shx3_module_clk_ops = { + .recalc = module_clk_recalc, +}; + +static void bus_clk_recalc(struct clk *clk) +{ + int idx = ((ctrl_inl(FRQCR) >> BFC_POS) & BFC_MSK); + clk->rate = clk->parent->rate / bfc_divisors[idx]; +} + +static struct clk_ops shx3_bus_clk_ops = { + .recalc = bus_clk_recalc, +}; + +static void cpu_clk_recalc(struct clk *clk) +{ + int idx = ((ctrl_inl(FRQCR) >> IFC_POS) & IFC_MSK); + clk->rate = clk->parent->rate / ifc_divisors[idx]; +} + +static struct clk_ops shx3_cpu_clk_ops = { + .recalc = cpu_clk_recalc, +}; + +static struct clk_ops *shx3_clk_ops[] = { + &shx3_master_clk_ops, + &shx3_module_clk_ops, + &shx3_bus_clk_ops, + &shx3_cpu_clk_ops, +}; + +void __init arch_init_clk_ops(struct clk_ops **ops, int idx) +{ + if (idx < ARRAY_SIZE(shx3_clk_ops)) + *ops = shx3_clk_ops[idx]; +} + +static void shyway_clk_recalc(struct clk *clk) +{ + int idx = ((ctrl_inl(FRQCR) >> CFC_POS) & CFC_MSK); + clk->rate = clk->parent->rate / cfc_divisors[idx]; +} + +static struct clk_ops shx3_shyway_clk_ops = { + .recalc = shyway_clk_recalc, +}; + +static struct clk shx3_shyway_clk = { + .name = "shyway_clk", + .flags = CLK_ALWAYS_ENABLED, + .ops = &shx3_shyway_clk_ops, +}; + +/* + * Additional SHx3-specific on-chip clocks that aren't already part of the + * clock framework + */ +static struct clk *shx3_onchip_clocks[] = { + &shx3_shyway_clk, +}; + +static int __init shx3_clk_init(void) +{ + struct clk *clk = clk_get(NULL, "master_clk"); + int i; + + for (i = 0; i < ARRAY_SIZE(shx3_onchip_clocks); i++) { + struct clk *clkp = shx3_onchip_clocks[i]; + + clkp->parent = clk; + clk_register(clkp); + clk_enable(clkp); + } + + /* + * Now that we have the rest of the clocks registered, we need to + * force the parent clock to propagate so that these clocks will + * automatically figure out their rate. We cheat by handing the + * parent clock its current rate and forcing child propagation. + */ + clk_set_rate(clk, clk_get_rate(clk)); + + clk_put(clk); + + return 0; +} +arch_initcall(shx3_clk_init); diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c index 1143fbf..a3e159e 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c @@ -1,7 +1,7 @@ /* * SH7722 Setup * - * Copyright (C) 2006 Paul Mundt + * Copyright (C) 2006 - 2007 Paul Mundt * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive @@ -10,6 +10,8 @@ #include <linux/platform_device.h> #include <linux/init.h> #include <linux/serial.h> +#include <linux/mm.h> +#include <asm/mmzone.h> #include <asm/sci.h> static struct plat_sci_port sci_platform_data[] = { @@ -42,7 +44,7 @@ static int __init sh7722_devices_setup(void) } __initcall(sh7722_devices_setup); -static struct ipr_data sh7722_ipr_map[] = { +static struct ipr_data ipr_irq_table[] = { /* IRQ, IPR-idx, shift, prio */ { 16, 0, 12, 2 }, /* TMU0 */ { 17, 0, 8, 2 }, /* TMU1 */ @@ -67,14 +69,25 @@ static unsigned long ipr_offsets[] = { 0xa408002c, /* 11: IPRL */ }; -unsigned int map_ipridx_to_addr(int idx) +static struct ipr_desc ipr_irq_desc = { + .ipr_offsets = ipr_offsets, + .nr_offsets = ARRAY_SIZE(ipr_offsets), + + .ipr_data = ipr_irq_table, + .nr_irqs = ARRAY_SIZE(ipr_irq_table), + + .chip = { + .name = "IPR-sh7722", + }, +}; + +void __init init_IRQ_ipr(void) { - if (unlikely(idx >= ARRAY_SIZE(ipr_offsets))) - return 0; - return ipr_offsets[idx]; + register_ipr_controller(&ipr_irq_desc); } -void __init init_IRQ_ipr(void) +void __init plat_mem_setup(void) { - make_ipr_irq(sh7722_ipr_map, ARRAY_SIZE(sh7722_ipr_map)); + /* Register the URAM space as Node 1 */ + setup_bootmem_node(1, 0x055f0000, 0x05610000); } diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7780.c b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c index 9aeaa2d..b57c760 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7780.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c @@ -102,7 +102,20 @@ static struct intc2_data intc2_irq_table[] = { { 68, 0x14, 8, 0, 18, 2 }, /* PCIC4 */ }; +static struct intc2_desc intc2_irq_desc __read_mostly = { + .prio_base = 0xffd40000, + .msk_base = 0xffd40038, + .mskclr_base = 0xffd4003c, + + .intc2_data = intc2_irq_table, + .nr_irqs = ARRAY_SIZE(intc2_irq_table), + + .chip = { + .name = "INTC2-sh7780", + }, +}; + void __init init_IRQ_intc2(void) { - make_intc2_irq(intc2_irq_table, ARRAY_SIZE(intc2_irq_table)); + register_intc2_controller(&intc2_irq_desc); } diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c index 07b0de8..ce10ec5 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c @@ -97,7 +97,21 @@ static struct intc2_data intc2_irq_table[] = { { 60, 12, 16, 0, 7, 3 }, /* SCIF5 ERI, RXI, BRI, TXI */ }; +static struct intc2_desc intc2_irq_desc __read_mostly = { + .prio_base = 0xffd40000, + .msk_base = 0xffd40038, + .mskclr_base = 0xffd4003c, + + .intc2_data = intc2_irq_table, + .nr_irqs = ARRAY_SIZE(intc2_irq_table), + + .chip = { + .name = "INTC2-sh7785", + }, +}; + void __init init_IRQ_intc2(void) { - make_intc2_irq(intc2_irq_table, ARRAY_SIZE(intc2_irq_table)); + register_intc2_controller(&intc2_irq_desc); } + diff --git a/arch/sh/kernel/cpu/sh4a/setup-shx3.c b/arch/sh/kernel/cpu/sh4a/setup-shx3.c new file mode 100644 index 0000000..70683ea --- /dev/null +++ b/arch/sh/kernel/cpu/sh4a/setup-shx3.c @@ -0,0 +1,85 @@ +/* + * SH-X3 Setup + * + * Copyright (C) 2007 Paul Mundt + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#include <linux/platform_device.h> +#include <linux/init.h> +#include <linux/serial.h> +#include <linux/io.h> +#include <asm/sci.h> + +static struct plat_sci_port sci_platform_data[] = { + { + .mapbase = 0xffc30000, + .flags = UPF_BOOT_AUTOCONF, + .type = PORT_SCIF, + .irqs = { 40, 41, 43, 42 }, + }, { + .mapbase = 0xffc40000, + .flags = UPF_BOOT_AUTOCONF, + .type = PORT_SCIF, + .irqs = { 44, 45, 47, 46 }, + }, { + .mapbase = 0xffc50000, + .flags = UPF_BOOT_AUTOCONF, + .type = PORT_SCIF, + .irqs = { 48, 49, 51, 50 }, + }, { + .mapbase = 0xffc60000, + .flags = UPF_BOOT_AUTOCONF, + .type = PORT_SCIF, + .irqs = { 52, 53, 55, 54 }, + }, { + .flags = 0, + } +}; + +static struct platform_device sci_device = { + .name = "sh-sci", + .id = -1, + .dev = { + .platform_data = sci_platform_data, + }, +}; + +static struct platform_device *shx3_devices[] __initdata = { + &sci_device, +}; + +static int __init shx3_devices_setup(void) +{ + return platform_add_devices(shx3_devices, + ARRAY_SIZE(shx3_devices)); +} +__initcall(shx3_devices_setup); + +static struct intc2_data intc2_irq_table[] = { + { 16, 0, 0, 0, 1, 2 }, /* TMU0 */ + { 40, 4, 0, 0x20, 0, 3 }, /* SCIF0 ERI */ + { 41, 4, 0, 0x20, 1, 3 }, /* SCIF0 RXI */ + { 42, 4, 0, 0x20, 2, 3 }, /* SCIF0 BRI */ + { 43, 4, 0, 0x20, 3, 3 }, /* SCIF0 TXI */ +}; + +static struct intc2_desc intc2_irq_desc __read_mostly = { + .prio_base = 0xfe410000, + .msk_base = 0xfe410820, + .mskclr_base = 0xfe410850, + + .intc2_data = intc2_irq_table, + .nr_irqs = ARRAY_SIZE(intc2_irq_table), + + .chip = { + .name = "INTC2-SHX3", + }, +}; + +void __init init_IRQ_intc2(void) +{ + register_intc2_controller(&intc2_irq_desc); +} diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c index 27b923c..2789779 100644 --- a/arch/sh/kernel/irq.c +++ b/arch/sh/kernel/irq.c @@ -158,15 +158,11 @@ asmlinkage int do_IRQ(unsigned int irq, struct pt_regs *regs) } #ifdef CONFIG_4KSTACKS -/* - * These should really be __section__(".bss.page_aligned") as well, but - * gcc's 3.0 and earlier don't handle that correctly. - */ static char softirq_stack[NR_CPUS * THREAD_SIZE] - __attribute__((__aligned__(THREAD_SIZE))); + __attribute__((__section__(".bss.page_aligned"))); static char hardirq_stack[NR_CPUS * THREAD_SIZE] - __attribute__((__aligned__(THREAD_SIZE))); + __attribute__((__section__(".bss.page_aligned"))); /* * allocate per-cpu stacks for hardirq and for softirq processing diff --git a/arch/sh/kernel/machvec.c b/arch/sh/kernel/machvec.c new file mode 100644 index 0000000..23c5948 --- /dev/null +++ b/arch/sh/kernel/machvec.c @@ -0,0 +1,130 @@ +/* + * arch/sh/kernel/machvec.c + * + * The SuperH machine vector setup handlers, yanked from setup.c + * + * Copyright (C) 1999 Niibe Yutaka + * Copyright (C) 2002 - 2007 Paul Mundt + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#include <linux/init.h> +#include <linux/string.h> +#include <asm/machvec.h> +#include <asm/sections.h> +#include <asm/io.h> +#include <asm/irq.h> + +#define MV_NAME_SIZE 32 + +#define for_each_mv(mv) \ + for ((mv) = (struct sh_machine_vector *)&__machvec_start; \ + (mv) && (unsigned long)(mv) < (unsigned long)&__machvec_end; \ + (mv)++) + +static struct sh_machine_vector * __init get_mv_byname(const char *name) +{ + struct sh_machine_vector *mv; + + for_each_mv(mv) + if (strcasecmp(name, mv->mv_name) == 0) + return mv; + + return NULL; +} + +static unsigned int __initdata machvec_selected; + +static int __init early_parse_mv(char *from) +{ + char mv_name[MV_NAME_SIZE] = ""; + char *mv_end; + char *mv_comma; + int mv_len; + struct sh_machine_vector *mvp; + + mv_end = strchr(from, ' '); + if (mv_end == NULL) + mv_end = from + strlen(from); + + mv_comma = strchr(from, ','); + mv_len = mv_end - from; + if (mv_len > (MV_NAME_SIZE-1)) + mv_len = MV_NAME_SIZE-1; + memcpy(mv_name, from, mv_len); + mv_name[mv_len] = '\0'; + from = mv_end; + + machvec_selected = 1; + + /* Boot with the generic vector */ + if (strcmp(mv_name, "generic") == 0) + return 0; + + mvp = get_mv_byname(mv_name); + if (unlikely(!mvp)) { + printk("Available vectors:\n\n\t'%s', ", sh_mv.mv_name); + for_each_mv(mvp) + printk("'%s', ", mvp->mv_name); + printk("\n\n"); + panic("Failed to select machvec '%s' -- halting.\n", + mv_name); + } else + sh_mv = *mvp; + + return 0; +} +early_param("sh_mv", early_parse_mv); + +void __init sh_mv_setup(void) +{ + /* + * Only overload the machvec if one hasn't been selected on + * the command line with sh_mv= + */ + if (!machvec_selected) { + unsigned long machvec_size; + + machvec_size = ((unsigned long)&__machvec_end - + (unsigned long)&__machvec_start); + + /* + * If the machvec hasn't been preselected, use the first + * vector (usually the only one) from .machvec.init. + */ + if (machvec_size >= sizeof(struct sh_machine_vector)) + sh_mv = *(struct sh_machine_vector *)&__machvec_start; + } + + printk(KERN_NOTICE "Booting machvec: %s\n", get_system_type()); + + /* + * Manually walk the vec, fill in anything that the board hasn't yet + * by hand, wrapping to the generic implementation. + */ +#define mv_set(elem) do { \ + if (!sh_mv.mv_##elem) \ + sh_mv.mv_##elem = generic_##elem; \ +} while (0) + + mv_set(inb); mv_set(inw); mv_set(inl); + mv_set(outb); mv_set(outw); mv_set(outl); + + mv_set(inb_p); mv_set(inw_p); mv_set(inl_p); + mv_set(outb_p); mv_set(outw_p); mv_set(outl_p); + + mv_set(insb); mv_set(insw); mv_set(insl); + mv_set(outsb); mv_set(outsw); mv_set(outsl); + + mv_set(readb); mv_set(readw); mv_set(readl); + mv_set(writeb); mv_set(writew); mv_set(writel); + + mv_set(ioport_map); + mv_set(ioport_unmap); + mv_set(irq_demux); + + if (!sh_mv.mv_nr_irqs) + sh_mv.mv_nr_irqs = NR_IRQS; +} diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c index a11e2aa..6334a4c 100644 --- a/arch/sh/kernel/process.c +++ b/arch/sh/kernel/process.c @@ -17,6 +17,7 @@ #include <linux/kexec.h> #include <linux/kdebug.h> #include <linux/tick.h> +#include <linux/reboot.h> #include <asm/uaccess.h> #include <asm/mmu_context.h> #include <asm/pgalloc.h> @@ -319,9 +320,7 @@ static void ubc_set_tracing(int asid, unsigned long pc) ctrl_outl(pc, UBC_BARA); #ifdef CONFIG_MMU - /* We don't have any ASID settings for the SH-2! */ - if (current_cpu_data.type != CPU_SH7604) - ctrl_outb(asid, UBC_BASRA); + ctrl_outb(asid, UBC_BASRA); #endif ctrl_outl(0, UBC_BAMRA); @@ -405,8 +404,8 @@ asmlinkage int sys_fork(unsigned long r4, unsigned long r5, unsigned long r6, unsigned long r7, struct pt_regs __regs) { - struct pt_regs *regs = RELOC_HIDE(&__regs, 0); #ifdef CONFIG_MMU + struct pt_regs *regs = RELOC_HIDE(&__regs, 0); return do_fork(SIGCHLD, regs->regs[15], regs, 0, NULL, NULL); #else /* fork almost works, enough to trick you into looking elsewhere :-( */ @@ -449,23 +448,20 @@ asmlinkage int sys_vfork(unsigned long r4, unsigned long r5, /* * sys_execve() executes a new program. */ -asmlinkage int sys_execve(char *ufilename, char **uargv, - char **uenvp, unsigned long r7, +asmlinkage int sys_execve(char __user *ufilename, char __user * __user *uargv, + char __user * __user *uenvp, unsigned long r7, struct pt_regs __regs) { struct pt_regs *regs = RELOC_HIDE(&__regs, 0); int error; char *filename; - filename = getname((char __user *)ufilename); + filename = getname(ufilename); error = PTR_ERR(filename); if (IS_ERR(filename)) goto out; - error = do_execve(filename, - (char __user * __user *)uargv, - (char __user * __user *)uenvp, - regs); + error = do_execve(filename, uargv, uenvp, regs); if (error == 0) { task_lock(current); current->ptrace &= ~PT_DTRACE; diff --git a/arch/sh/kernel/ptrace.c b/arch/sh/kernel/ptrace.c index 3fb5fc0..891d1d4 100644 --- a/arch/sh/kernel/ptrace.c +++ b/arch/sh/kernel/ptrace.c @@ -91,17 +91,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) switch (request) { /* when I and D space are separate, these will need to be fixed. */ case PTRACE_PEEKTEXT: /* read word at location addr. */ - case PTRACE_PEEKDATA: { - unsigned long tmp; - int copied; - - copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0); - ret = -EIO; - if (copied != sizeof(tmp)) - break; - ret = put_user(tmp,(unsigned long *) data); - break; - } + case PTRACE_PEEKDATA: + ret = generic_ptrace_peekdata(child, addr, data); /* read the word at location addr in the USER area. */ case PTRACE_PEEKUSR: { @@ -128,17 +119,14 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) tmp = !!tsk_used_math(child); else tmp = 0; - ret = put_user(tmp, (unsigned long *)data); + ret = put_user(tmp, (unsigned long __user *)data); break; } /* when I and D space are separate, this will have to be fixed. */ case PTRACE_POKETEXT: /* write the word at location addr. */ case PTRACE_POKEDATA: - ret = 0; - if (access_process_vm(child, addr, &data, sizeof(data), 1) == sizeof(data)) - break; - ret = -EIO; + ret = generic_ptrace_pokedata(child, addr, data); break; case PTRACE_POKEUSR: /* write the word at location addr in the USER area */ @@ -196,7 +184,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) case PTRACE_SINGLESTEP: { /* set the trap flag. */ long pc; - struct pt_regs *dummy = NULL; + struct pt_regs *regs = NULL; ret = -EIO; if (!valid_signal(data)) @@ -207,7 +195,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) child->ptrace |= PT_DTRACE; } - pc = get_stack_long(child, (long)&dummy->pc); + pc = get_stack_long(child, (long)®s->pc); /* Next scheduling will set up UBC */ if (child->thread.ubc_pc == 0) diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c index c277291..de8e6e2 100644 --- a/arch/sh/kernel/setup.c +++ b/arch/sh/kernel/setup.c @@ -23,6 +23,7 @@ #include <linux/kexec.h> #include <asm/uaccess.h> #include <asm/io.h> +#include <asm/page.h> #include <asm/sections.h> #include <asm/irq.h> #include <asm/setup.h> @@ -41,20 +42,19 @@ extern void * __rd_start, * __rd_end; * The bigger value means no problem. */ struct sh_cpuinfo boot_cpu_data = { CPU_SH_NONE, 10000000, }; + +/* + * The machine vector. First entry in .machvec.init, or clobbered by + * sh_mv= on the command line, prior to .machvec.init teardown. + */ +struct sh_machine_vector sh_mv = { .mv_name = "generic", }; + #ifdef CONFIG_VT struct screen_info screen_info; #endif -#if defined(CONFIG_SH_UNKNOWN) -struct sh_machine_vector sh_mv; -#endif - extern int root_mountflags; -#define MV_NAME_SIZE 32 - -static struct sh_machine_vector* __init get_mv_byname(const char* name); - /* * This is set up by the setup-routine at boot-time */ @@ -80,131 +80,17 @@ static struct resource data_resource = { .name = "Kernel data", }; unsigned long memory_start, memory_end; -static inline void parse_cmdline (char ** cmdline_p, char mv_name[MV_NAME_SIZE], - struct sh_machine_vector** mvp, - unsigned long *mv_io_base) +static int __init early_parse_mem(char *p) { - char c = ' ', *to = command_line, *from = COMMAND_LINE; - int len = 0; - - /* Save unparsed command line copy for /proc/cmdline */ - memcpy(boot_command_line, COMMAND_LINE, COMMAND_LINE_SIZE); - boot_command_line[COMMAND_LINE_SIZE-1] = '\0'; + unsigned long size; memory_start = (unsigned long)PAGE_OFFSET+__MEMORY_START; - memory_end = memory_start + __MEMORY_SIZE; - - for (;;) { - /* - * "mem=XXX[kKmM]" defines a size of memory. - */ - if (c == ' ' && !memcmp(from, "mem=", 4)) { - if (to != command_line) - to--; - { - unsigned long mem_size; - - mem_size = memparse(from+4, &from); - memory_end = memory_start + mem_size; - } - } - - if (c == ' ' && !memcmp(from, "sh_mv=", 6)) { - char* mv_end; - char* mv_comma; - int mv_len; - if (to != command_line) - to--; - from += 6; - mv_end = strchr(from, ' '); - if (mv_end == NULL) - mv_end = from + strlen(from); - - mv_comma = strchr(from, ','); - if ((mv_comma != NULL) && (mv_comma < mv_end)) { - int ints[3]; - get_options(mv_comma+1, ARRAY_SIZE(ints), ints); - *mv_io_base = ints[1]; - mv_len = mv_comma - from; - } else { - mv_len = mv_end - from; - } - if (mv_len > (MV_NAME_SIZE-1)) - mv_len = MV_NAME_SIZE-1; - memcpy(mv_name, from, mv_len); - mv_name[mv_len] = '\0'; - from = mv_end; - - *mvp = get_mv_byname(mv_name); - } - - c = *(from++); - if (!c) - break; - if (COMMAND_LINE_SIZE <= ++len) - break; - *(to++) = c; - } - *to = '\0'; - *cmdline_p = command_line; -} - -static int __init sh_mv_setup(char **cmdline_p) -{ -#ifdef CONFIG_SH_UNKNOWN - extern struct sh_machine_vector mv_unknown; -#endif - struct sh_machine_vector *mv = NULL; - char mv_name[MV_NAME_SIZE] = ""; - unsigned long mv_io_base = 0; - - parse_cmdline(cmdline_p, mv_name, &mv, &mv_io_base); - -#ifdef CONFIG_SH_UNKNOWN - if (mv == NULL) { - mv = &mv_unknown; - if (*mv_name != '\0') { - printk("Warning: Unsupported machine %s, using unknown\n", - mv_name); - } - } - sh_mv = *mv; -#endif - - /* - * Manually walk the vec, fill in anything that the board hasn't yet - * by hand, wrapping to the generic implementation. - */ -#define mv_set(elem) do { \ - if (!sh_mv.mv_##elem) \ - sh_mv.mv_##elem = generic_##elem; \ -} while (0) - - mv_set(inb); mv_set(inw); mv_set(inl); - mv_set(outb); mv_set(outw); mv_set(outl); - - mv_set(inb_p); mv_set(inw_p); mv_set(inl_p); - mv_set(outb_p); mv_set(outw_p); mv_set(outl_p); - - mv_set(insb); mv_set(insw); mv_set(insl); - mv_set(outsb); mv_set(outsw); mv_set(outsl); - - mv_set(readb); mv_set(readw); mv_set(readl); - mv_set(writeb); mv_set(writew); mv_set(writel); - - mv_set(ioport_map); - mv_set(ioport_unmap); - mv_set(irq_demux); - -#ifdef CONFIG_SH_UNKNOWN - __set_io_port_base(mv_io_base); -#endif - - if (!sh_mv.mv_nr_irqs) - sh_mv.mv_nr_irqs = NR_IRQS; + size = memparse(p, &p); + memory_end = memory_start + size; return 0; } +early_param("mem", early_parse_mem); /* * Register fully available low RAM pages with the bootmem allocator. @@ -230,7 +116,7 @@ static void __init register_bootmem_low_pages(void) free_bootmem(PFN_PHYS(curr_pfn), PFN_PHYS(pages)); } -void __init setup_bootmem_allocator(unsigned long start_pfn) +void __init setup_bootmem_allocator(unsigned long free_pfn) { unsigned long bootmap_size; @@ -239,9 +125,10 @@ void __init setup_bootmem_allocator(unsigned long start_pfn) * bootstrap step all allocations (until the page allocator * is intact) must be done via bootmem_alloc(). */ - bootmap_size = init_bootmem_node(NODE_DATA(0), start_pfn, + bootmap_size = init_bootmem_node(NODE_DATA(0), free_pfn, min_low_pfn, max_low_pfn); + add_active_range(0, min_low_pfn, max_low_pfn); register_bootmem_low_pages(); node_set_online(0); @@ -254,7 +141,7 @@ void __init setup_bootmem_allocator(unsigned long start_pfn) * an invalid RAM area. */ reserve_bootmem(__MEMORY_START+PAGE_SIZE, - (PFN_PHYS(start_pfn)+bootmap_size+PAGE_SIZE-1)-__MEMORY_START); + (PFN_PHYS(free_pfn)+bootmap_size+PAGE_SIZE-1)-__MEMORY_START); /* * reserve physical page 0 - it's a special BIOS page on many boxes, @@ -262,6 +149,8 @@ void __init setup_bootmem_allocator(unsigned long start_pfn) */ reserve_bootmem(__MEMORY_START, PAGE_SIZE); + sparse_memory_present_with_active_regions(0); + #ifdef CONFIG_BLK_DEV_INITRD ROOT_DEV = MKDEV(RAMDISK_MAJOR, 0); if (&__rd_start != &__rd_end) { @@ -315,10 +204,6 @@ void __init setup_arch(char **cmdline_p) { enable_mmu(); -#ifdef CONFIG_CMDLINE_BOOL - strcpy(COMMAND_LINE, CONFIG_CMDLINE); -#endif - ROOT_DEV = old_decode_dev(ORIG_ROOT_DEV); #ifdef CONFIG_BLK_DEV_RAM @@ -339,9 +224,22 @@ void __init setup_arch(char **cmdline_p) data_resource.start = virt_to_phys(_etext); data_resource.end = virt_to_phys(_edata)-1; + memory_start = (unsigned long)PAGE_OFFSET+__MEMORY_START; + memory_end = memory_start + __MEMORY_SIZE; + +#ifdef CONFIG_CMDLINE_BOOL + strlcpy(command_line, CONFIG_CMDLINE, sizeof(command_line)); +#else + strlcpy(command_line, COMMAND_LINE, sizeof(command_line)); +#endif + + /* Save unparsed command line copy for /proc/cmdline */ + memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE); + *cmdline_p = command_line; + parse_early_param(); - sh_mv_setup(cmdline_p); + sh_mv_setup(); /* * Find the highest page frame number we have available @@ -355,8 +253,9 @@ void __init setup_arch(char **cmdline_p) min_low_pfn = __MEMORY_START >> PAGE_SHIFT; nodes_clear(node_online_map); + + /* Setup bootmem with available RAM */ setup_memory(); - paging_init(); sparse_init(); #ifdef CONFIG_DUMMY_CONSOLE @@ -366,46 +265,13 @@ void __init setup_arch(char **cmdline_p) /* Perform the machine specific initialisation */ if (likely(sh_mv.mv_setup)) sh_mv.mv_setup(cmdline_p); -} - -struct sh_machine_vector* __init get_mv_byname(const char* name) -{ - extern long __machvec_start, __machvec_end; - struct sh_machine_vector *all_vecs = - (struct sh_machine_vector *)&__machvec_start; - - int i, n = ((unsigned long)&__machvec_end - - (unsigned long)&__machvec_start)/ - sizeof(struct sh_machine_vector); - - for (i = 0; i < n; ++i) { - struct sh_machine_vector *mv = &all_vecs[i]; - if (mv == NULL) - continue; - if (strcasecmp(name, get_system_type()) == 0) { - return mv; - } - } - return NULL; -} - -static struct cpu cpu[NR_CPUS]; - -static int __init topology_init(void) -{ - int cpu_id; - for_each_possible_cpu(cpu_id) - register_cpu(&cpu[cpu_id], cpu_id); - - return 0; + paging_init(); } -subsys_initcall(topology_init); - static const char *cpu_name[] = { [CPU_SH7206] = "SH7206", [CPU_SH7619] = "SH7619", - [CPU_SH7604] = "SH7604", [CPU_SH7300] = "SH7300", + [CPU_SH7300] = "SH7300", [CPU_SH7705] = "SH7705", [CPU_SH7706] = "SH7706", [CPU_SH7707] = "SH7707", [CPU_SH7708] = "SH7708", [CPU_SH7709] = "SH7709", [CPU_SH7710] = "SH7710", @@ -419,7 +285,7 @@ static const char *cpu_name[] = { [CPU_SH7770] = "SH7770", [CPU_SH7780] = "SH7780", [CPU_SH7781] = "SH7781", [CPU_SH7343] = "SH7343", [CPU_SH7785] = "SH7785", [CPU_SH7722] = "SH7722", - [CPU_SH_NONE] = "Unknown" + [CPU_SHX3] = "SH-X3", [CPU_SH_NONE] = "Unknown" }; const char *get_cpu_subtype(struct sh_cpuinfo *c) diff --git a/arch/sh/kernel/sh_ksyms.c b/arch/sh/kernel/sh_ksyms.c index c1cfcb9..c968dcf 100644 --- a/arch/sh/kernel/sh_ksyms.c +++ b/arch/sh/kernel/sh_ksyms.c @@ -78,6 +78,16 @@ DECLARE_EXPORT(__movstr); DECLARE_EXPORT(__movmem_i4_even); DECLARE_EXPORT(__movmem_i4_odd); DECLARE_EXPORT(__movmemSI12_i4); + +#if (__GNUC_MINOR__ == 2 || defined(__GNUC_STM_RELEASE__)) +/* + * GCC 4.2 emits these for division, as do GCC 4.1.x versions of the ST + * compiler which include backported patches. + */ +DECLARE_EXPORT(__sdivsi3_i4i); +DECLARE_EXPORT(__udiv_qrnnd_16); +DECLARE_EXPORT(__udivsi3_i4i); +#endif #else /* GCC 3.x */ DECLARE_EXPORT(__movstr_i4_even); DECLARE_EXPORT(__movstr_i4_odd); diff --git a/arch/sh/kernel/signal.c b/arch/sh/kernel/signal.c index e323e29..706d81c 100644 --- a/arch/sh/kernel/signal.c +++ b/arch/sh/kernel/signal.c @@ -23,6 +23,7 @@ #include <linux/personality.h> #include <linux/binfmts.h> #include <linux/freezer.h> +#include <linux/io.h> #include <asm/system.h> #include <asm/ucontext.h> #include <asm/uaccess.h> @@ -261,7 +262,7 @@ asmlinkage int sys_rt_sigreturn(unsigned long r4, unsigned long r5, goto badframe; /* It is more difficult to avoid calling this function than to call it and ignore errors. */ - do_sigaltstack(&st, NULL, regs->regs[15]); + do_sigaltstack((const stack_t __user *)&st, NULL, (unsigned long)frame); return r0; diff --git a/arch/sh/kernel/syscalls.S b/arch/sh/kernel/syscalls.S index 7db1c2d..ff5656e 100644 --- a/arch/sh/kernel/syscalls.S +++ b/arch/sh/kernel/syscalls.S @@ -308,9 +308,9 @@ ENTRY(sys_call_table) .long sys_utimes .long sys_fadvise64_64_wrapper .long sys_ni_syscall /* Reserved for vserver */ - .long sys_ni_syscall /* Reserved for mbind */ - .long sys_ni_syscall /* 275 - get_mempolicy */ - .long sys_ni_syscall /* set_mempolicy */ + .long sys_mbind + .long sys_get_mempolicy /* 275 */ + .long sys_set_mempolicy .long sys_mq_open .long sys_mq_unlink .long sys_mq_timedsend diff --git a/arch/sh/kernel/timers/timer-tmu.c b/arch/sh/kernel/timers/timer-tmu.c index 2d997e2..097ebd4 100644 --- a/arch/sh/kernel/timers/timer-tmu.c +++ b/arch/sh/kernel/timers/timer-tmu.c @@ -30,7 +30,7 @@ static int tmu_timer_start(void) { - ctrl_outb(ctrl_inb(TMU_TSTR) | 0x3, TMU_TSTR); + ctrl_outb(ctrl_inb(TMU_012_TSTR) | 0x3, TMU_012_TSTR); return 0; } @@ -52,7 +52,7 @@ static void tmu0_timer_set_interval(unsigned long interval, unsigned int reload) static int tmu_timer_stop(void) { - ctrl_outb(ctrl_inb(TMU_TSTR) & ~0x3, TMU_TSTR); + ctrl_outb(ctrl_inb(TMU_012_TSTR) & ~0x3, TMU_012_TSTR); return 0; } @@ -174,7 +174,8 @@ static int tmu_timer_init(void) #if !defined(CONFIG_CPU_SUBTYPE_SH7300) && \ !defined(CONFIG_CPU_SUBTYPE_SH7760) && \ - !defined(CONFIG_CPU_SUBTYPE_SH7785) + !defined(CONFIG_CPU_SUBTYPE_SH7785) && \ + !defined(CONFIG_CPU_SUBTYPE_SHX3) ctrl_outb(TMU_TOCR_INIT, TMU_TOCR); #endif diff --git a/arch/sh/kernel/topology.c b/arch/sh/kernel/topology.c new file mode 100644 index 0000000..9b5844a --- /dev/null +++ b/arch/sh/kernel/topology.c @@ -0,0 +1,49 @@ +/* + * arch/sh/kernel/topology.c + * + * Copyright (C) 2007 Paul Mundt + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#include <linux/cpu.h> +#include <linux/cpumask.h> +#include <linux/init.h> +#include <linux/percpu.h> +#include <linux/node.h> +#include <linux/nodemask.h> + +static DEFINE_PER_CPU(struct cpu, cpu_devices); + +static int __init topology_init(void) +{ + int i, ret; + +#ifdef CONFIG_NEED_MULTIPLE_NODES + for_each_online_node(i) + register_one_node(i); +#endif + + for_each_present_cpu(i) { + ret = register_cpu(&per_cpu(cpu_devices, i), i); + if (unlikely(ret)) + printk(KERN_WARNING "%s: register_cpu %d failed (%d)\n", + __FUNCTION__, i, ret); + } + +#if defined(CONFIG_NUMA) && !defined(CONFIG_SMP) + /* + * In the UP case, make sure the CPU association is still + * registered under each node. Without this, sysfs fails + * to make the connection between nodes other than node0 + * and cpu0. + */ + for_each_online_node(i) + if (i != numa_node_id()) + register_cpu_under_node(raw_smp_processor_id(), i); +#endif + + return 0; +} +subsys_initcall(topology_init); diff --git a/arch/sh/kernel/traps.c b/arch/sh/kernel/traps.c index 8f18930..502d43e 100644 --- a/arch/sh/kernel/traps.c +++ b/arch/sh/kernel/traps.c @@ -103,6 +103,7 @@ void die(const char * str, struct pt_regs * regs, long err) (unsigned long)task_stack_page(current)); bust_spinlocks(0); + add_taint(TAINT_DIE); spin_unlock_irq(&die_lock); if (kexec_should_crash(current)) @@ -584,7 +585,7 @@ uspace_segv: info.si_signo = SIGBUS; info.si_errno = 0; info.si_code = si_code; - info.si_addr = (void *) address; + info.si_addr = (void __user *)address; force_sig_info(SIGBUS, &info, current); } else { if (regs->pc & 1) @@ -617,7 +618,7 @@ uspace_segv: */ int is_dsp_inst(struct pt_regs *regs) { - unsigned short inst; + unsigned short inst = 0; /* * Safe guard if DSP mode is already enabled or we're lacking @@ -645,7 +646,6 @@ asmlinkage void do_divide_error(unsigned long r4, unsigned long r5, unsigned long r6, unsigned long r7, struct pt_regs __regs) { - struct pt_regs *regs = RELOC_HIDE(&__regs, 0); siginfo_t info; switch (r4) { @@ -874,7 +874,7 @@ void __init trap_init(void) void handle_BUG(struct pt_regs *regs) { enum bug_trap_type tt; - tt = report_bug(regs->pc); + tt = report_bug(regs->pc, regs); if (tt == BUG_TRAP_TYPE_WARN) { regs->pc += 2; return; diff --git a/arch/sh/kernel/vmlinux.lds.S b/arch/sh/kernel/vmlinux.lds.S index 4c5b57e..0696402 100644 --- a/arch/sh/kernel/vmlinux.lds.S +++ b/arch/sh/kernel/vmlinux.lds.S @@ -97,18 +97,20 @@ SECTIONS __initramfs_end = .; #endif + . = ALIGN(4); __machvec_start = .; - .init.machvec : { *(.init.machvec) } + .machvec.init : { *(.machvec.init) } __machvec_end = .; - . = ALIGN(PAGE_SIZE); - __init_end = .; - - . = ALIGN(4); - __bss_start = .; /* BSS */ - .bss : { *(.bss) } - . = ALIGN(4); - _end = . ; + . = ALIGN(PAGE_SIZE); + .bss : { + __init_end = .; + __bss_start = .; /* BSS */ + *(.bss.page_aligned) + *(.bss) + . = ALIGN(4); + _end = . ; + } /* When something in the kernel is NOT compiled as a module, the * module cleanup code and data are put into these segments. Both diff --git a/arch/sh/lib/div64-generic.c b/arch/sh/lib/div64-generic.c index c02473a..4bef3b5 100644 --- a/arch/sh/lib/div64-generic.c +++ b/arch/sh/lib/div64-generic.c @@ -4,16 +4,15 @@ #include <linux/types.h> -extern u64 __xdiv64_32(u64 n, u32 d); +extern uint64_t __xdiv64_32(u64 n, u32 d); -u64 __div64_32(u64 *xp, u32 y) +uint32_t __div64_32(u64 *xp, u32 y) { - u64 rem; - u64 q = __xdiv64_32(*xp, y); + uint32_t rem; + uint64_t q = __xdiv64_32(*xp, y); rem = *xp - q * y; *xp = q; return rem; } - diff --git a/arch/sh/lib/div64.S b/arch/sh/lib/div64.S index eefc275..5ee7334 100644 --- a/arch/sh/lib/div64.S +++ b/arch/sh/lib/div64.S @@ -1,12 +1,12 @@ /* - * unsigned long long __xdiv64_32(unsigned long long n, unsigned long d); + * unsigned long __xdiv64_32(unsigned long long n, unsigned long d); */ #include <linux/linkage.h> .text ENTRY(__xdiv64_32) -#ifdef __LITTLE_ENDIAN__ +#ifdef CONFIG_CPU_LITTLE_ENDIAN mov r4, r0 mov r5, r1 #else @@ -34,7 +34,7 @@ ENTRY(__xdiv64_32) rotcl r0 div1 r6, r1 .endr -#ifdef __LITTLE_ENDIAN__ +#ifdef CONFIG_CPU_LITTLE_ENDIAN mov r2, r1 rts rotcl r0 diff --git a/arch/sh/math-emu/math.c b/arch/sh/math-emu/math.c index a38e1ee..ac2d7ab 100644 --- a/arch/sh/math-emu/math.c +++ b/arch/sh/math-emu/math.c @@ -507,6 +507,7 @@ static int ieee_fpe_handler(struct pt_regs *regs) unsigned short insn = *(unsigned short *)regs->pc; unsigned short finsn; unsigned long nextpc; + siginfo_t info; int nib[4] = { (insn >> 12) & 0xf, (insn >> 8) & 0xf, @@ -559,9 +560,11 @@ static int ieee_fpe_handler(struct pt_regs *regs) ~(FPSCR_CAUSE_MASK | FPSCR_FLAG_MASK); set_tsk_thread_flag(tsk, TIF_USEDFPU); } else { - tsk->thread.trap_no = 11; - tsk->thread.error_code = 0; - force_sig(SIGFPE, tsk); + info.si_signo = SIGFPE; + info.si_errno = 0; + info.si_code = FPE_FLTINV; + info.si_addr = (void __user *)regs->pc; + force_sig_info(SIGFPE, &info, tsk); } regs->pc = nextpc; @@ -576,14 +579,17 @@ asmlinkage void do_fpu_error(unsigned long r4, unsigned long r5, struct pt_regs regs) { struct task_struct *tsk = current; + siginfo_t info; if (ieee_fpe_handler (®s)) return; regs.pc += 2; - tsk->thread.trap_no = 11; - tsk->thread.error_code = 0; - force_sig(SIGFPE, tsk); + info.si_signo = SIGFPE; + info.si_errno = 0; + info.si_code = FPE_FLTINV; + info.si_addr = (void __user *)regs.pc; + force_sig_info(SIGFPE, &info, tsk); } /** diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig index 253346d..28d79a4 100644 --- a/arch/sh/mm/Kconfig +++ b/arch/sh/mm/Kconfig @@ -1,5 +1,3 @@ -menu "Processor selection" - # # Processor families # @@ -38,27 +36,31 @@ config CPU_SUBTYPE_ST40 config CPU_SHX2 bool +config CPU_SHX3 + bool + +choice + prompt "Processor sub-type selection" + # # Processor subtypes # -comment "SH-2 Processor Support" - -config CPU_SUBTYPE_SH7604 - bool "Support SH7604 processor" - select CPU_SH2 +# SH-2 Processor Support config CPU_SUBTYPE_SH7619 bool "Support SH7619 processor" select CPU_SH2 + select CPU_HAS_IPR_IRQ -comment "SH-2A Processor Support" +# SH-2A Processor Support config CPU_SUBTYPE_SH7206 bool "Support SH7206 processor" select CPU_SH2A + select CPU_HAS_IPR_IRQ -comment "SH-3 Processor Support" +# SH-3 Processor Support config CPU_SUBTYPE_SH7300 bool "Support SH7300 processor" @@ -113,7 +115,7 @@ config CPU_SUBTYPE_SH7712 help Select SH7712 if you have a SH3-DSP SH7712 CPU. -comment "SH-4 Processor Support" +# SH-4 Processor Support config CPU_SUBTYPE_SH7750 bool "Support SH7750 processor" @@ -125,7 +127,7 @@ config CPU_SUBTYPE_SH7750 config CPU_SUBTYPE_SH7091 bool "Support SH7091 processor" select CPU_SH4 - select CPU_SUBTYPE_SH7750 + select CPU_HAS_IPR_IRQ help Select SH7091 if you have an SH-4 based Sega device (such as the Dreamcast, Naomi, and Naomi 2). @@ -133,13 +135,11 @@ config CPU_SUBTYPE_SH7091 config CPU_SUBTYPE_SH7750R bool "Support SH7750R processor" select CPU_SH4 - select CPU_SUBTYPE_SH7750 select CPU_HAS_IPR_IRQ config CPU_SUBTYPE_SH7750S bool "Support SH7750S processor" select CPU_SH4 - select CPU_SUBTYPE_SH7750 select CPU_HAS_IPR_IRQ config CPU_SUBTYPE_SH7751 @@ -153,7 +153,6 @@ config CPU_SUBTYPE_SH7751 config CPU_SUBTYPE_SH7751R bool "Support SH7751R processor" select CPU_SH4 - select CPU_SUBTYPE_SH7751 select CPU_HAS_IPR_IRQ config CPU_SUBTYPE_SH7760 @@ -166,7 +165,7 @@ config CPU_SUBTYPE_SH4_202 bool "Support SH4-202 processor" select CPU_SH4 -comment "ST40 Processor Support" +# ST40 Processor Support config CPU_SUBTYPE_ST40STB1 bool "Support ST40STB1/ST40RA processors" @@ -181,7 +180,7 @@ config CPU_SUBTYPE_ST40GX1 help Select ST40GX1 if you have a ST40GX1 CPU. -comment "SH-4A Processor Support" +# SH-4A Processor Support config CPU_SUBTYPE_SH7770 bool "Support SH7770 processor" @@ -198,7 +197,13 @@ config CPU_SUBTYPE_SH7785 select CPU_SHX2 select CPU_HAS_INTC2_IRQ -comment "SH4AL-DSP Processor Support" +config CPU_SUBTYPE_SHX3 + bool "Support SH-X3 processor" + select CPU_SH4A + select CPU_SHX3 + select CPU_HAS_INTC2_IRQ + +# SH4AL-DSP Processor Support config CPU_SUBTYPE_SH73180 bool "Support SH73180 processor" @@ -213,8 +218,10 @@ config CPU_SUBTYPE_SH7722 select CPU_SH4AL_DSP select CPU_SHX2 select CPU_HAS_IPR_IRQ + select ARCH_SPARSEMEM_ENABLE + select SYS_SUPPORTS_NUMA -endmenu +endchoice menu "Memory management options" @@ -266,7 +273,7 @@ config MEMORY_SIZE config 32BIT bool "Support 32-bit physical addressing through PMB" - depends on CPU_SH4A && MMU && (!X2TLB || BROKEN) + depends on MMU && (CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785) default y help If you say Y here, physical addressing will be extended to @@ -295,6 +302,17 @@ config VSYSCALL For systems with an MMU that can afford to give up a page, (the default value) say Y. +config NUMA + bool "Non Uniform Memory Access (NUMA) Support" + depends on MMU && SYS_SUPPORTS_NUMA && EXPERIMENTAL + default n + help + Some SH systems have many various memories scattered around + the address space, each with varying latencies. This enables + support for these blocks by binding them to nodes and allowing + memory policies to be used for prioritizing and controlling + allocation behaviour. + config NODES_SHIFT int default "1" @@ -302,14 +320,34 @@ config NODES_SHIFT config ARCH_FLATMEM_ENABLE def_bool y + depends on !NUMA + +config ARCH_SPARSEMEM_ENABLE + def_bool y + select SPARSEMEM_STATIC + +config ARCH_SPARSEMEM_DEFAULT + def_bool y config MAX_ACTIVE_REGIONS int + default "2" if (CPU_SUBTYPE_SH7722 && SPARSEMEM) default "1" config ARCH_POPULATES_NODE_MAP def_bool y +config ARCH_SELECT_MEMORY_MODEL + def_bool y + +config ARCH_ENABLE_MEMORY_HOTPLUG + def_bool y + depends on SPARSEMEM + +config ARCH_MEMORY_PROBE + def_bool y + depends on MEMORY_HOTPLUG + choice prompt "Kernel page size" default PAGE_SIZE_4KB @@ -394,15 +432,4 @@ config SH_WRITETHROUGH If unsure, say N. -config SH_OCRAM - bool "Operand Cache RAM (OCRAM) support" - help - Selecting this option will automatically tear down the number of - sets in the dcache by half, which in turn exposes a memory range. - - The addresses for the OC RAM base will vary according to the - processor version. Consult vendor documentation for specifics. - - If unsure, say N. - endmenu diff --git a/arch/sh/mm/Makefile b/arch/sh/mm/Makefile index 3ffd7f6..d677d7f 100644 --- a/arch/sh/mm/Makefile +++ b/arch/sh/mm/Makefile @@ -8,9 +8,6 @@ obj-$(CONFIG_CPU_SH2) += cache-sh2.o obj-$(CONFIG_CPU_SH3) += cache-sh3.o obj-$(CONFIG_CPU_SH4) += cache-sh4.o -obj-$(CONFIG_DMA_PAGE_OPS) += pg-dma.o -obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o - mmu-y := fault-nommu.o tlb-nommu.o pg-nommu.o mmu-$(CONFIG_MMU) := fault.o clear_page.o copy_page.o tlb-flush.o \ ioremap.o @@ -27,5 +24,7 @@ obj-$(CONFIG_CPU_SH4) += tlb-sh4.o pg-sh4.o obj-$(CONFIG_SH7705_CACHE_32KB) += pg-sh7705.o endif +obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o obj-$(CONFIG_SH7705_CACHE_32KB) += cache-sh7705.o obj-$(CONFIG_32BIT) += pmb.o +obj-$(CONFIG_NUMA) += numa.o diff --git a/arch/sh/mm/fault.c b/arch/sh/mm/fault.c index c878faa..0b3eaf6 100644 --- a/arch/sh/mm/fault.c +++ b/arch/sh/mm/fault.c @@ -32,7 +32,6 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs, struct task_struct *tsk; struct mm_struct *mm; struct vm_area_struct * vma; - unsigned long page; int si_code; siginfo_t info; @@ -170,24 +169,38 @@ no_context: * terminate things with extreme prejudice. * */ - if (address < PAGE_SIZE) - printk(KERN_ALERT "Unable to handle kernel NULL pointer dereference"); - else - printk(KERN_ALERT "Unable to handle kernel paging request"); - printk(" at virtual address %08lx\n", address); - printk(KERN_ALERT "pc = %08lx\n", regs->pc); - page = (unsigned long)get_TTB(); - if (page) { - page = ((unsigned long *) page)[address >> PGDIR_SHIFT]; - printk(KERN_ALERT "*pde = %08lx\n", page); - if (page & _PAGE_PRESENT) { - page &= PAGE_MASK; - address &= 0x003ff000; - page = ((unsigned long *) __va(page))[address >> PAGE_SHIFT]; - printk(KERN_ALERT "*pte = %08lx\n", page); + + bust_spinlocks(1); + + if (oops_may_print()) { + __typeof__(pte_val(__pte(0))) page; + + if (address < PAGE_SIZE) + printk(KERN_ALERT "Unable to handle kernel NULL " + "pointer dereference"); + else + printk(KERN_ALERT "Unable to handle kernel paging " + "request"); + printk(" at virtual address %08lx\n", address); + printk(KERN_ALERT "pc = %08lx\n", regs->pc); + page = (unsigned long)get_TTB(); + if (page) { + page = ((__typeof__(page) *) __va(page))[address >> + PGDIR_SHIFT]; + printk(KERN_ALERT "*pde = %08lx\n", page); + if (page & _PAGE_PRESENT) { + page &= PAGE_MASK; + address &= 0x003ff000; + page = ((__typeof__(page) *) + __va(page))[address >> + PAGE_SHIFT]; + printk(KERN_ALERT "*pte = %08lx\n", page); + } } } + die("Oops", regs, writeaccess); + bust_spinlocks(0); do_exit(SIGKILL); /* diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c index e0e644f..82b68c7 100644 --- a/arch/sh/mm/init.c +++ b/arch/sh/mm/init.c @@ -18,6 +18,7 @@ #include <asm/mmu_context.h> #include <asm/tlb.h> #include <asm/cacheflush.h> +#include <asm/sections.h> #include <asm/cache.h> DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); @@ -36,14 +37,11 @@ void show_mem(void) show_free_areas(); for_each_online_pgdat(pgdat) { - struct page *page, *end; - unsigned long flags; + unsigned long flags, i; pgdat_resize_lock(pgdat, &flags); - page = pgdat->node_mem_map; - end = page + pgdat->node_spanned_pages; - - do { + for (i = 0; i < pgdat->node_spanned_pages; i++) { + struct page *page = pgdat_page_nr(pgdat, i); total++; if (PageReserved(page)) reserved++; @@ -55,9 +53,7 @@ void show_mem(void) free++; else shared += page_count(page) - 1; - page++; - } while (page < end); - + } pgdat_resize_unlock(pgdat, &flags); } @@ -137,16 +133,12 @@ void __set_fixmap(enum fixed_addresses idx, unsigned long phys, pgprot_t prot) } #endif /* CONFIG_MMU */ -/* References to section boundaries */ - -extern char _text, _etext, _edata, __bss_start, _end; -extern char __init_begin, __init_end; - /* * paging_init() sets up the page tables */ void __init paging_init(void) { + unsigned long max_zone_pfns[MAX_NR_ZONES]; int nid; /* We don't need to map the kernel through the TLB, as @@ -158,43 +150,39 @@ void __init paging_init(void) * check for a null value. */ set_TTB(swapper_pg_dir); + memset(max_zone_pfns, 0, sizeof(max_zone_pfns)); + for_each_online_node(nid) { pg_data_t *pgdat = NODE_DATA(nid); - unsigned long max_zone_pfns[MAX_NR_ZONES]; unsigned long low, start_pfn; - memset(max_zone_pfns, 0, sizeof(max_zone_pfns)); - start_pfn = pgdat->bdata->node_boot_start >> PAGE_SHIFT; low = pgdat->bdata->node_low_pfn; - max_zone_pfns[ZONE_NORMAL] = low; - add_active_range(nid, start_pfn, low); + if (max_zone_pfns[ZONE_NORMAL] < low) + max_zone_pfns[ZONE_NORMAL] = low; printk("Node %u: start_pfn = 0x%lx, low = 0x%lx\n", nid, start_pfn, low); - - free_area_init_nodes(max_zone_pfns); - - printk("Node %u: mem_map starts at %p\n", - pgdat->node_id, pgdat->node_mem_map); } + + free_area_init_nodes(max_zone_pfns); } static struct kcore_list kcore_mem, kcore_vmalloc; void __init mem_init(void) { - int codesize, reservedpages, datasize, initsize; + int codesize, datasize, initsize; int nid; - reservedpages = 0; + num_physpages = 0; + high_memory = NULL; for_each_online_node(nid) { pg_data_t *pgdat = NODE_DATA(nid); unsigned long node_pages = 0; void *node_high_memory; - int i; num_physpages += pgdat->node_present_pages; @@ -203,13 +191,9 @@ void __init mem_init(void) totalram_pages += node_pages; - for (i = 0; i < node_pages; i++) - if (PageReserved(pgdat->node_mem_map + i)) - reservedpages++; - - node_high_memory = (void *)((pgdat->node_start_pfn + - pgdat->node_spanned_pages) << - PAGE_SHIFT); + node_high_memory = (void *)__va((pgdat->node_start_pfn + + pgdat->node_spanned_pages) << + PAGE_SHIFT); if (node_high_memory > high_memory) high_memory = node_high_memory; } @@ -239,11 +223,10 @@ void __init mem_init(void) VMALLOC_END - VMALLOC_START); printk(KERN_INFO "Memory: %luk/%luk available (%dk kernel code, " - "%dk reserved, %dk data, %dk init)\n", + "%dk data, %dk init)\n", (unsigned long) nr_free_pages() << (PAGE_SHIFT-10), - totalram_pages << (PAGE_SHIFT-10), + num_physpages << (PAGE_SHIFT-10), codesize >> 10, - reservedpages << (PAGE_SHIFT-10), datasize >> 10, initsize >> 10); @@ -264,7 +247,9 @@ void free_initmem(void) free_page(addr); totalram_pages++; } - printk ("Freeing unused kernel memory: %dk freed\n", (&__init_end - &__init_begin) >> 10); + printk("Freeing unused kernel memory: %ldk freed\n", + ((unsigned long)&__init_end - + (unsigned long)&__init_begin) >> 10); } #ifdef CONFIG_BLK_DEV_INITRD @@ -277,6 +262,50 @@ void free_initrd_mem(unsigned long start, unsigned long end) free_page(p); totalram_pages++; } - printk ("Freeing initrd memory: %ldk freed\n", (end - start) >> 10); + printk("Freeing initrd memory: %ldk freed\n", (end - start) >> 10); +} +#endif + +#ifdef CONFIG_MEMORY_HOTPLUG +void online_page(struct page *page) +{ + ClearPageReserved(page); + init_page_count(page); + __free_page(page); + totalram_pages++; + num_physpages++; } + +int arch_add_memory(int nid, u64 start, u64 size) +{ + pg_data_t *pgdat; + unsigned long start_pfn = start >> PAGE_SHIFT; + unsigned long nr_pages = size >> PAGE_SHIFT; + int ret; + + pgdat = NODE_DATA(nid); + + /* We only have ZONE_NORMAL, so this is easy.. */ + ret = __add_pages(pgdat->node_zones + ZONE_NORMAL, start_pfn, nr_pages); + if (unlikely(ret)) + printk("%s: Failed, __add_pages() == %d\n", __FUNCTION__, ret); + + return ret; +} +EXPORT_SYMBOL_GPL(arch_add_memory); + +int remove_memory(u64 start, u64 size) +{ + return -EINVAL; +} +EXPORT_SYMBOL_GPL(remove_memory); + +#ifdef CONFIG_NUMA +int memory_add_physaddr_to_nid(u64 addr) +{ + /* Node 0 for now.. */ + return 0; +} +EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid); +#endif #endif diff --git a/arch/sh/mm/numa.c b/arch/sh/mm/numa.c new file mode 100644 index 0000000..8aff065 --- /dev/null +++ b/arch/sh/mm/numa.c @@ -0,0 +1,92 @@ +/* + * arch/sh/mm/numa.c - Multiple node support for SH machines + * + * Copyright (C) 2007 Paul Mundt + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#include <linux/module.h> +#include <linux/bootmem.h> +#include <linux/mm.h> +#include <linux/numa.h> +#include <linux/pfn.h> +#include <asm/sections.h> + +static bootmem_data_t plat_node_bdata[MAX_NUMNODES]; +struct pglist_data *node_data[MAX_NUMNODES] __read_mostly; +EXPORT_SYMBOL_GPL(node_data); + +/* + * On SH machines the conventional approach is to stash system RAM + * in node 0, and other memory blocks in to node 1 and up, ordered by + * latency. Each node's pgdat is node-local at the beginning of the node, + * immediately followed by the node mem map. + */ +void __init setup_memory(void) +{ + unsigned long free_pfn = PFN_UP(__pa(_end)); + + /* + * Node 0 sets up its pgdat at the first available pfn, + * and bumps it up before setting up the bootmem allocator. + */ + NODE_DATA(0) = pfn_to_kaddr(free_pfn); + memset(NODE_DATA(0), 0, sizeof(struct pglist_data)); + free_pfn += PFN_UP(sizeof(struct pglist_data)); + NODE_DATA(0)->bdata = &plat_node_bdata[0]; + + /* Set up node 0 */ + setup_bootmem_allocator(free_pfn); + + /* Give the platforms a chance to hook up their nodes */ + plat_mem_setup(); +} + +void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end) +{ + unsigned long bootmap_pages, bootmap_start, bootmap_size; + unsigned long start_pfn, free_pfn, end_pfn; + + /* Don't allow bogus node assignment */ + BUG_ON(nid > MAX_NUMNODES || nid == 0); + + /* + * The free pfn starts at the beginning of the range, and is + * advanced as necessary for pgdat and node map allocations. + */ + free_pfn = start_pfn = start >> PAGE_SHIFT; + end_pfn = end >> PAGE_SHIFT; + + add_active_range(nid, start_pfn, end_pfn); + + /* Node-local pgdat */ + NODE_DATA(nid) = pfn_to_kaddr(free_pfn); + free_pfn += PFN_UP(sizeof(struct pglist_data)); + memset(NODE_DATA(nid), 0, sizeof(struct pglist_data)); + + NODE_DATA(nid)->bdata = &plat_node_bdata[nid]; + NODE_DATA(nid)->node_start_pfn = start_pfn; + NODE_DATA(nid)->node_spanned_pages = end_pfn - start_pfn; + + /* Node-local bootmap */ + bootmap_pages = bootmem_bootmap_pages(end_pfn - start_pfn); + bootmap_start = (unsigned long)pfn_to_kaddr(free_pfn); + bootmap_size = init_bootmem_node(NODE_DATA(nid), free_pfn, start_pfn, + end_pfn); + + free_bootmem_with_active_regions(nid, end_pfn); + + /* Reserve the pgdat and bootmap space with the bootmem allocator */ + reserve_bootmem_node(NODE_DATA(nid), start_pfn << PAGE_SHIFT, + sizeof(struct pglist_data)); + reserve_bootmem_node(NODE_DATA(nid), free_pfn << PAGE_SHIFT, + bootmap_pages << PAGE_SHIFT); + + /* It's up */ + node_set_online(nid); + + /* Kick sparsemem */ + sparse_memory_present_with_active_regions(nid); +} diff --git a/arch/sh/mm/pg-dma.c b/arch/sh/mm/pg-dma.c deleted file mode 100644 index bb23679..0000000 --- a/arch/sh/mm/pg-dma.c +++ /dev/null @@ -1,95 +0,0 @@ -/* - * arch/sh/mm/pg-dma.c - * - * Fast clear_page()/copy_page() implementation using the SH DMAC - * - * Copyright (C) 2003 Paul Mundt - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <asm/semaphore.h> -#include <asm/mmu_context.h> -#include <asm/addrspace.h> -#include <asm/atomic.h> -#include <asm/page.h> -#include <asm/dma.h> -#include <asm/io.h> - -/* Channel to use for page ops, must be dual-address mode capable. */ -static int dma_channel = CONFIG_DMA_PAGE_OPS_CHANNEL; - -static void copy_page_dma(void *to, void *from) -{ - /* - * This doesn't seem to get triggered until further along in the - * boot process, at which point the DMAC is already initialized. - * Fix this in the same fashion as clear_page_dma() in the event - * that this crashes due to the DMAC not being initialized. - */ - - flush_icache_range((unsigned long)from, PAGE_SIZE); - dma_write_page(dma_channel, (unsigned long)from, (unsigned long)to); - dma_wait_for_completion(dma_channel); -} - -static void clear_page_dma(void *to) -{ - /* - * We get invoked quite early on, if the DMAC hasn't been initialized - * yet, fall back on the slow manual implementation. - */ - if (dma_info[dma_channel].chan != dma_channel) { - clear_page_slow(to); - return; - } - - dma_write_page(dma_channel, (unsigned long)empty_zero_page, - (unsigned long)to); - - /* - * FIXME: Something is a bit racy here, if we poll the counter right - * away, we seem to lock. flushing the page from the dcache doesn't - * seem to make a difference one way or the other, though either a full - * icache or dcache flush does. - * - * The location of this is important as well, and must happen prior to - * the completion loop but after the transfer was initiated. - * - * Oddly enough, this doesn't appear to be an issue for copy_page().. - */ - flush_icache_range((unsigned long)to, PAGE_SIZE); - - dma_wait_for_completion(dma_channel); -} - -static int __init pg_dma_init(void) -{ - int ret; - - ret = request_dma(dma_channel, "page ops"); - if (ret != 0) - return ret; - - copy_page = copy_page_dma; - clear_page = clear_page_dma; - - return ret; -} - -static void __exit pg_dma_exit(void) -{ - free_dma(dma_channel); -} - -module_init(pg_dma_init); -module_exit(pg_dma_exit); - -MODULE_AUTHOR("Paul Mundt <lethal@linux-sh.org>"); -MODULE_DESCRIPTION("Optimized page copy/clear routines using a dual-address mode capable DMAC channel"); -MODULE_LICENSE("GPL"); - diff --git a/arch/sh/tools/Makefile b/arch/sh/tools/Makefile index 3c370a1..567516b 100644 --- a/arch/sh/tools/Makefile +++ b/arch/sh/tools/Makefile @@ -12,4 +12,5 @@ include/asm-sh/machtypes.h: $(src)/gen-mach-types $(src)/mach-types @echo ' Generating $@' + $(Q)if [ ! -d include/asm-sh ]; then mkdir -p include/asm-sh; fi $(Q)$(AWK) -f $^ > $@ || { rm -f $@; /bin/false; } diff --git a/arch/sh/tools/mach-types b/arch/sh/tools/mach-types index fb40f18..4b5e930 100644 --- a/arch/sh/tools/mach-types +++ b/arch/sh/tools/mach-types @@ -18,7 +18,6 @@ SE SH_SOLUTION_ENGINE HP6XX SH_HP6XX HD64461 HD64461 HD64465 HD64465 -SATURN SH_SATURN DREAMCAST SH_DREAMCAST MPC1211 SH_MPC1211 SNAPGEAR SH_SECUREEDGE5410 @@ -34,3 +33,4 @@ R7785RP SH_R7785RP TITAN SH_TITAN SHMIN SH_SHMIN 7710VOIPGW SH_7710VOIPGW +LBOXRE2 SH_LBOX_RE2 diff --git a/arch/sh64/kernel/ptrace.c b/arch/sh64/kernel/ptrace.c index 4e95e18..df06c64 100644 --- a/arch/sh64/kernel/ptrace.c +++ b/arch/sh64/kernel/ptrace.c @@ -129,17 +129,9 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) switch (request) { /* when I and D space are separate, these will need to be fixed. */ case PTRACE_PEEKTEXT: /* read word at location addr. */ - case PTRACE_PEEKDATA: { - unsigned long tmp; - int copied; - - copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0); - ret = -EIO; - if (copied != sizeof(tmp)) - break; - ret = put_user(tmp,(unsigned long *) data); + case PTRACE_PEEKDATA: + ret = generic_ptrace_peekdata(child, addr, data); break; - } /* read the word at location addr in the USER area. */ case PTRACE_PEEKUSR: { @@ -166,10 +158,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) /* when I and D space are separate, this will have to be fixed. */ case PTRACE_POKETEXT: /* write the word at location addr. */ case PTRACE_POKEDATA: - ret = 0; - if (access_process_vm(child, addr, &data, sizeof(data), 1) == sizeof(data)) - break; - ret = -EIO; + ret = generic_ptrace_pokedata(child, addr, data); break; case PTRACE_POKEUSR: diff --git a/arch/sh64/lib/c-checksum.c b/arch/sh64/lib/c-checksum.c index 4b26763..bd55017 100644 --- a/arch/sh64/lib/c-checksum.c +++ b/arch/sh64/lib/c-checksum.c @@ -213,3 +213,4 @@ __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr, return (__wsum)result; } +EXPORT_SYMBOL(csum_tcpudp_nofold); diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 8567cc9..73df711 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -217,6 +217,9 @@ source "drivers/pci/Kconfig" endif +config NO_DMA + def_bool !PCI + config SUN_OPENPROMFS tristate "Openprom tree appears in /proc/openprom" help diff --git a/arch/sparc/kernel/traps.c b/arch/sparc/kernel/traps.c index dc9ffea..3bc3bff 100644 --- a/arch/sparc/kernel/traps.c +++ b/arch/sparc/kernel/traps.c @@ -101,6 +101,7 @@ void die_if_kernel(char *str, struct pt_regs *regs) printk("%s(%d): %s [#%d]\n", current->comm, current->pid, str, ++die_counter); show_regs(regs); + add_taint(TAINT_DIE); __SAVE; __SAVE; __SAVE; __SAVE; __SAVE; __SAVE; __SAVE; __SAVE; diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c index e5eaa80..ca26232 100644 --- a/arch/sparc/mm/srmmu.c +++ b/arch/sparc/mm/srmmu.c @@ -160,9 +160,6 @@ static inline int srmmu_pte_none(pte_t pte) static inline int srmmu_pte_present(pte_t pte) { return ((pte_val(pte) & SRMMU_ET_MASK) == SRMMU_ET_PTE); } -static inline int srmmu_pte_read(pte_t pte) -{ return !(pte_val(pte) & SRMMU_NOREAD); } - static inline void srmmu_pte_clear(pte_t *ptep) { srmmu_set_pte(ptep, __pte(0)); } @@ -2181,7 +2178,6 @@ void __init ld_mmu_srmmu(void) BTFIXUPSET_CALL(pte_present, srmmu_pte_present, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(pte_clear, srmmu_pte_clear, BTFIXUPCALL_SWAPO0G0); - BTFIXUPSET_CALL(pte_read, srmmu_pte_read, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(pmd_bad, srmmu_pmd_bad, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(pmd_present, srmmu_pmd_present, BTFIXUPCALL_NORM); diff --git a/arch/sparc/mm/sun4c.c b/arch/sparc/mm/sun4c.c index 436021c..bdd835f 100644 --- a/arch/sparc/mm/sun4c.c +++ b/arch/sparc/mm/sun4c.c @@ -1748,11 +1748,6 @@ static int sun4c_pte_present(pte_t pte) } static void sun4c_pte_clear(pte_t *ptep) { *ptep = __pte(0); } -static int sun4c_pte_read(pte_t pte) -{ - return (pte_val(pte) & _SUN4C_PAGE_READ); -} - static int sun4c_pmd_bad(pmd_t pmd) { return (((pmd_val(pmd) & ~PAGE_MASK) != PGD_TABLE) || @@ -2212,7 +2207,6 @@ void __init ld_mmu_sun4c(void) BTFIXUPSET_CALL(pte_present, sun4c_pte_present, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(pte_clear, sun4c_pte_clear, BTFIXUPCALL_STG0O0); - BTFIXUPSET_CALL(pte_read, sun4c_pte_read, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(pmd_bad, sun4c_pmd_bad, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(pmd_present, sun4c_pmd_present, BTFIXUPCALL_NORM); diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig index 6566d13..b84b6af 100644 --- a/arch/sparc64/Kconfig +++ b/arch/sparc64/Kconfig @@ -108,6 +108,15 @@ config SECCOMP source kernel/Kconfig.hz +config HOTPLUG_CPU + bool "Support for hot-pluggable CPUs" + depends on SMP + select HOTPLUG + ---help--- + Say Y here to experiment with turning CPUs off and on. CPUs + can be controlled through /sys/devices/system/cpu/cpu#. + Say N if you want to disable CPU hotplug. + source "init/Kconfig" config SYSVIPC_COMPAT @@ -305,6 +314,12 @@ config SUN_IO bool default y +config SUN_LDOMS + bool "Sun Logical Domains support" + help + Say Y here is you want to support virtual devices via + Logical Domains. + config PCI bool "PCI support" select ARCH_SUPPORTS_MSI diff --git a/arch/sparc64/kernel/Makefile b/arch/sparc64/kernel/Makefile index f964bf2..b66876b 100644 --- a/arch/sparc64/kernel/Makefile +++ b/arch/sparc64/kernel/Makefile @@ -18,7 +18,7 @@ obj-$(CONFIG_STACKTRACE) += stacktrace.o obj-$(CONFIG_PCI) += ebus.o isa.o pci_common.o pci_iommu.o \ pci_psycho.o pci_sabre.o pci_schizo.o \ pci_sun4v.o pci_sun4v_asm.o pci_fire.o -obj-$(CONFIG_SMP) += smp.o trampoline.o +obj-$(CONFIG_SMP) += smp.o trampoline.o hvtramp.o obj-$(CONFIG_SPARC32_COMPAT) += sys32.o sys_sparc32.o signal32.o obj-$(CONFIG_BINFMT_ELF32) += binfmt_elf32.o obj-$(CONFIG_BINFMT_AOUT32) += binfmt_aout32.o @@ -26,6 +26,7 @@ obj-$(CONFIG_MODULES) += module.o obj-$(CONFIG_US3_FREQ) += us3_cpufreq.o obj-$(CONFIG_US2E_FREQ) += us2e_cpufreq.o obj-$(CONFIG_KPROBES) += kprobes.o +obj-$(CONFIG_SUN_LDOMS) += ldc.o vio.o viohs.o ds.o obj-$(CONFIG_AUDIT) += audit.o obj-$(CONFIG_AUDIT)$(CONFIG_SPARC32_COMPAT) += compat_audit.o obj-y += $(obj-yy) diff --git a/arch/sparc64/kernel/ds.c b/arch/sparc64/kernel/ds.c new file mode 100644 index 0000000..ba01533 --- /dev/null +++ b/arch/sparc64/kernel/ds.c @@ -0,0 +1,1168 @@ +/* ds.c: Domain Services driver for Logical Domains + * + * Copyright (C) 2007 David S. Miller <davem@davemloft.net> + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/types.h> +#include <linux/module.h> +#include <linux/string.h> +#include <linux/slab.h> +#include <linux/sched.h> +#include <linux/delay.h> +#include <linux/mutex.h> +#include <linux/kthread.h> +#include <linux/cpu.h> + +#include <asm/ldc.h> +#include <asm/vio.h> +#include <asm/power.h> +#include <asm/mdesc.h> +#include <asm/head.h> +#include <asm/irq.h> + +#define DRV_MODULE_NAME "ds" +#define PFX DRV_MODULE_NAME ": " +#define DRV_MODULE_VERSION "1.0" +#define DRV_MODULE_RELDATE "Jul 11, 2007" + +static char version[] __devinitdata = + DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n"; +MODULE_AUTHOR("David S. Miller (davem@davemloft.net)"); +MODULE_DESCRIPTION("Sun LDOM domain services driver"); +MODULE_LICENSE("GPL"); +MODULE_VERSION(DRV_MODULE_VERSION); + +struct ds_msg_tag { + __u32 type; +#define DS_INIT_REQ 0x00 +#define DS_INIT_ACK 0x01 +#define DS_INIT_NACK 0x02 +#define DS_REG_REQ 0x03 +#define DS_REG_ACK 0x04 +#define DS_REG_NACK 0x05 +#define DS_UNREG_REQ 0x06 +#define DS_UNREG_ACK 0x07 +#define DS_UNREG_NACK 0x08 +#define DS_DATA 0x09 +#define DS_NACK 0x0a + + __u32 len; +}; + +/* Result codes */ +#define DS_OK 0x00 +#define DS_REG_VER_NACK 0x01 +#define DS_REG_DUP 0x02 +#define DS_INV_HDL 0x03 +#define DS_TYPE_UNKNOWN 0x04 + +struct ds_version { + __u16 major; + __u16 minor; +}; + +struct ds_ver_req { + struct ds_msg_tag tag; + struct ds_version ver; +}; + +struct ds_ver_ack { + struct ds_msg_tag tag; + __u16 minor; +}; + +struct ds_ver_nack { + struct ds_msg_tag tag; + __u16 major; +}; + +struct ds_reg_req { + struct ds_msg_tag tag; + __u64 handle; + __u16 major; + __u16 minor; + char svc_id[0]; +}; + +struct ds_reg_ack { + struct ds_msg_tag tag; + __u64 handle; + __u16 minor; +}; + +struct ds_reg_nack { + struct ds_msg_tag tag; + __u64 handle; + __u16 major; +}; + +struct ds_unreg_req { + struct ds_msg_tag tag; + __u64 handle; +}; + +struct ds_unreg_ack { + struct ds_msg_tag tag; + __u64 handle; +}; + +struct ds_unreg_nack { + struct ds_msg_tag tag; + __u64 handle; +}; + +struct ds_data { + struct ds_msg_tag tag; + __u64 handle; +}; + +struct ds_data_nack { + struct ds_msg_tag tag; + __u64 handle; + __u64 result; +}; + +struct ds_cap_state { + __u64 handle; + + void (*data)(struct ldc_channel *lp, + struct ds_cap_state *cp, + void *buf, int len); + + const char *service_id; + + u8 state; +#define CAP_STATE_UNKNOWN 0x00 +#define CAP_STATE_REG_SENT 0x01 +#define CAP_STATE_REGISTERED 0x02 +}; + +static void md_update_data(struct ldc_channel *lp, struct ds_cap_state *cp, + void *buf, int len); +static void domain_shutdown_data(struct ldc_channel *lp, + struct ds_cap_state *cp, + void *buf, int len); +static void domain_panic_data(struct ldc_channel *lp, + struct ds_cap_state *cp, + void *buf, int len); +#ifdef CONFIG_HOTPLUG_CPU +static void dr_cpu_data(struct ldc_channel *lp, + struct ds_cap_state *cp, + void *buf, int len); +#endif +static void ds_pri_data(struct ldc_channel *lp, + struct ds_cap_state *cp, + void *buf, int len); +static void ds_var_data(struct ldc_channel *lp, + struct ds_cap_state *cp, + void *buf, int len); + +struct ds_cap_state ds_states[] = { + { + .service_id = "md-update", + .data = md_update_data, + }, + { + .service_id = "domain-shutdown", + .data = domain_shutdown_data, + }, + { + .service_id = "domain-panic", + .data = domain_panic_data, + }, +#ifdef CONFIG_HOTPLUG_CPU + { + .service_id = "dr-cpu", + .data = dr_cpu_data, + }, +#endif + { + .service_id = "pri", + .data = ds_pri_data, + }, + { + .service_id = "var-config", + .data = ds_var_data, + }, + { + .service_id = "var-config-backup", + .data = ds_var_data, + }, +}; + +static DEFINE_SPINLOCK(ds_lock); + +struct ds_info { + struct ldc_channel *lp; + u8 hs_state; +#define DS_HS_START 0x01 +#define DS_HS_DONE 0x02 + + void *rcv_buf; + int rcv_buf_len; +}; + +static struct ds_info *ds_info; + +static struct ds_cap_state *find_cap(u64 handle) +{ + unsigned int index = handle >> 32; + + if (index >= ARRAY_SIZE(ds_states)) + return NULL; + return &ds_states[index]; +} + +static struct ds_cap_state *find_cap_by_string(const char *name) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(ds_states); i++) { + if (strcmp(ds_states[i].service_id, name)) + continue; + + return &ds_states[i]; + } + return NULL; +} + +static int __ds_send(struct ldc_channel *lp, void *data, int len) +{ + int err, limit = 1000; + + err = -EINVAL; + while (limit-- > 0) { + err = ldc_write(lp, data, len); + if (!err || (err != -EAGAIN)) + break; + udelay(1); + } + + return err; +} + +static int ds_send(struct ldc_channel *lp, void *data, int len) +{ + unsigned long flags; + int err; + + spin_lock_irqsave(&ds_lock, flags); + err = __ds_send(lp, data, len); + spin_unlock_irqrestore(&ds_lock, flags); + + return err; +} + +struct ds_md_update_req { + __u64 req_num; +}; + +struct ds_md_update_res { + __u64 req_num; + __u32 result; +}; + +static void md_update_data(struct ldc_channel *lp, + struct ds_cap_state *dp, + void *buf, int len) +{ + struct ds_data *dpkt = buf; + struct ds_md_update_req *rp; + struct { + struct ds_data data; + struct ds_md_update_res res; + } pkt; + + rp = (struct ds_md_update_req *) (dpkt + 1); + + printk(KERN_INFO PFX "Machine description update.\n"); + + mdesc_update(); + + memset(&pkt, 0, sizeof(pkt)); + pkt.data.tag.type = DS_DATA; + pkt.data.tag.len = sizeof(pkt) - sizeof(struct ds_msg_tag); + pkt.data.handle = dp->handle; + pkt.res.req_num = rp->req_num; + pkt.res.result = DS_OK; + + ds_send(lp, &pkt, sizeof(pkt)); +} + +struct ds_shutdown_req { + __u64 req_num; + __u32 ms_delay; +}; + +struct ds_shutdown_res { + __u64 req_num; + __u32 result; + char reason[1]; +}; + +static void domain_shutdown_data(struct ldc_channel *lp, + struct ds_cap_state *dp, + void *buf, int len) +{ + struct ds_data *dpkt = buf; + struct ds_shutdown_req *rp; + struct { + struct ds_data data; + struct ds_shutdown_res res; + } pkt; + + rp = (struct ds_shutdown_req *) (dpkt + 1); + + printk(KERN_ALERT PFX "Shutdown request from " + "LDOM manager received.\n"); + + memset(&pkt, 0, sizeof(pkt)); + pkt.data.tag.type = DS_DATA; + pkt.data.tag.len = sizeof(pkt) - sizeof(struct ds_msg_tag); + pkt.data.handle = dp->handle; + pkt.res.req_num = rp->req_num; + pkt.res.result = DS_OK; + pkt.res.reason[0] = 0; + + ds_send(lp, &pkt, sizeof(pkt)); + + wake_up_powerd(); +} + +struct ds_panic_req { + __u64 req_num; +}; + +struct ds_panic_res { + __u64 req_num; + __u32 result; + char reason[1]; +}; + +static void domain_panic_data(struct ldc_channel *lp, + struct ds_cap_state *dp, + void *buf, int len) +{ + struct ds_data *dpkt = buf; + struct ds_panic_req *rp; + struct { + struct ds_data data; + struct ds_panic_res res; + } pkt; + + rp = (struct ds_panic_req *) (dpkt + 1); + + printk(KERN_ALERT PFX "Panic request from " + "LDOM manager received.\n"); + + memset(&pkt, 0, sizeof(pkt)); + pkt.data.tag.type = DS_DATA; + pkt.data.tag.len = sizeof(pkt) - sizeof(struct ds_msg_tag); + pkt.data.handle = dp->handle; + pkt.res.req_num = rp->req_num; + pkt.res.result = DS_OK; + pkt.res.reason[0] = 0; + + ds_send(lp, &pkt, sizeof(pkt)); + + panic("PANIC requested by LDOM manager."); +} + +#ifdef CONFIG_HOTPLUG_CPU +struct dr_cpu_tag { + __u64 req_num; + __u32 type; +#define DR_CPU_CONFIGURE 0x43 +#define DR_CPU_UNCONFIGURE 0x55 +#define DR_CPU_FORCE_UNCONFIGURE 0x46 +#define DR_CPU_STATUS 0x53 + +/* Responses */ +#define DR_CPU_OK 0x6f +#define DR_CPU_ERROR 0x65 + + __u32 num_records; +}; + +struct dr_cpu_resp_entry { + __u32 cpu; + __u32 result; +#define DR_CPU_RES_OK 0x00 +#define DR_CPU_RES_FAILURE 0x01 +#define DR_CPU_RES_BLOCKED 0x02 +#define DR_CPU_RES_CPU_NOT_RESPONDING 0x03 +#define DR_CPU_RES_NOT_IN_MD 0x04 + + __u32 stat; +#define DR_CPU_STAT_NOT_PRESENT 0x00 +#define DR_CPU_STAT_UNCONFIGURED 0x01 +#define DR_CPU_STAT_CONFIGURED 0x02 + + __u32 str_off; +}; + +static void __dr_cpu_send_error(struct ds_cap_state *cp, struct ds_data *data) +{ + struct dr_cpu_tag *tag = (struct dr_cpu_tag *) (data + 1); + struct ds_info *dp = ds_info; + struct { + struct ds_data data; + struct dr_cpu_tag tag; + } pkt; + int msg_len; + + memset(&pkt, 0, sizeof(pkt)); + pkt.data.tag.type = DS_DATA; + pkt.data.handle = cp->handle; + pkt.tag.req_num = tag->req_num; + pkt.tag.type = DR_CPU_ERROR; + pkt.tag.num_records = 0; + + msg_len = (sizeof(struct ds_data) + + sizeof(struct dr_cpu_tag)); + + pkt.data.tag.len = msg_len - sizeof(struct ds_msg_tag); + + __ds_send(dp->lp, &pkt, msg_len); +} + +static void dr_cpu_send_error(struct ds_cap_state *cp, struct ds_data *data) +{ + unsigned long flags; + + spin_lock_irqsave(&ds_lock, flags); + __dr_cpu_send_error(cp, data); + spin_unlock_irqrestore(&ds_lock, flags); +} + +#define CPU_SENTINEL 0xffffffff + +static void purge_dups(u32 *list, u32 num_ents) +{ + unsigned int i; + + for (i = 0; i < num_ents; i++) { + u32 cpu = list[i]; + unsigned int j; + + if (cpu == CPU_SENTINEL) + continue; + + for (j = i + 1; j < num_ents; j++) { + if (list[j] == cpu) + list[j] = CPU_SENTINEL; + } + } +} + +static int dr_cpu_size_response(int ncpus) +{ + return (sizeof(struct ds_data) + + sizeof(struct dr_cpu_tag) + + (sizeof(struct dr_cpu_resp_entry) * ncpus)); +} + +static void dr_cpu_init_response(struct ds_data *resp, u64 req_num, + u64 handle, int resp_len, int ncpus, + cpumask_t *mask, u32 default_stat) +{ + struct dr_cpu_resp_entry *ent; + struct dr_cpu_tag *tag; + int i, cpu; + + tag = (struct dr_cpu_tag *) (resp + 1); + ent = (struct dr_cpu_resp_entry *) (tag + 1); + + resp->tag.type = DS_DATA; + resp->tag.len = resp_len - sizeof(struct ds_msg_tag); + resp->handle = handle; + tag->req_num = req_num; + tag->type = DR_CPU_OK; + tag->num_records = ncpus; + + i = 0; + for_each_cpu_mask(cpu, *mask) { + ent[i].cpu = cpu; + ent[i].result = DR_CPU_RES_OK; + ent[i].stat = default_stat; + i++; + } + BUG_ON(i != ncpus); +} + +static void dr_cpu_mark(struct ds_data *resp, int cpu, int ncpus, + u32 res, u32 stat) +{ + struct dr_cpu_resp_entry *ent; + struct dr_cpu_tag *tag; + int i; + + tag = (struct dr_cpu_tag *) (resp + 1); + ent = (struct dr_cpu_resp_entry *) (tag + 1); + + for (i = 0; i < ncpus; i++) { + if (ent[i].cpu != cpu) + continue; + ent[i].result = res; + ent[i].stat = stat; + break; + } +} + +static int dr_cpu_configure(struct ds_cap_state *cp, u64 req_num, + cpumask_t *mask) +{ + struct ds_data *resp; + int resp_len, ncpus, cpu; + unsigned long flags; + + ncpus = cpus_weight(*mask); + resp_len = dr_cpu_size_response(ncpus); + resp = kzalloc(resp_len, GFP_KERNEL); + if (!resp) + return -ENOMEM; + + dr_cpu_init_response(resp, req_num, cp->handle, + resp_len, ncpus, mask, + DR_CPU_STAT_CONFIGURED); + + mdesc_fill_in_cpu_data(*mask); + + for_each_cpu_mask(cpu, *mask) { + int err; + + printk(KERN_INFO PFX "Starting cpu %d...\n", cpu); + err = cpu_up(cpu); + if (err) { + __u32 res = DR_CPU_RES_FAILURE; + __u32 stat = DR_CPU_STAT_UNCONFIGURED; + + if (!cpu_present(cpu)) { + /* CPU not present in MD */ + res = DR_CPU_RES_NOT_IN_MD; + stat = DR_CPU_STAT_NOT_PRESENT; + } else if (err == -ENODEV) { + /* CPU did not call in successfully */ + res = DR_CPU_RES_CPU_NOT_RESPONDING; + } + + printk(KERN_INFO PFX "CPU startup failed err=%d\n", + err); + dr_cpu_mark(resp, cpu, ncpus, res, stat); + } + } + + spin_lock_irqsave(&ds_lock, flags); + __ds_send(ds_info->lp, resp, resp_len); + spin_unlock_irqrestore(&ds_lock, flags); + + kfree(resp); + + /* Redistribute IRQs, taking into account the new cpus. */ + fixup_irqs(); + + return 0; +} + +static int dr_cpu_unconfigure(struct ds_cap_state *cp, u64 req_num, + cpumask_t *mask) +{ + struct ds_data *resp; + int resp_len, ncpus, cpu; + unsigned long flags; + + ncpus = cpus_weight(*mask); + resp_len = dr_cpu_size_response(ncpus); + resp = kzalloc(resp_len, GFP_KERNEL); + if (!resp) + return -ENOMEM; + + dr_cpu_init_response(resp, req_num, cp->handle, + resp_len, ncpus, mask, + DR_CPU_STAT_UNCONFIGURED); + + for_each_cpu_mask(cpu, *mask) { + int err; + + printk(KERN_INFO PFX "CPU[%d]: Shutting down cpu %d...\n", + smp_processor_id(), cpu); + err = cpu_down(cpu); + if (err) + dr_cpu_mark(resp, cpu, ncpus, + DR_CPU_RES_FAILURE, + DR_CPU_STAT_CONFIGURED); + } + + spin_lock_irqsave(&ds_lock, flags); + __ds_send(ds_info->lp, resp, resp_len); + spin_unlock_irqrestore(&ds_lock, flags); + + kfree(resp); + + return 0; +} + +static void dr_cpu_data(struct ldc_channel *lp, + struct ds_cap_state *cp, + void *buf, int len) +{ + struct ds_data *data = buf; + struct dr_cpu_tag *tag = (struct dr_cpu_tag *) (data + 1); + u32 *cpu_list = (u32 *) (tag + 1); + u64 req_num = tag->req_num; + cpumask_t mask; + unsigned int i; + int err; + + switch (tag->type) { + case DR_CPU_CONFIGURE: + case DR_CPU_UNCONFIGURE: + case DR_CPU_FORCE_UNCONFIGURE: + break; + + default: + dr_cpu_send_error(cp, data); + return; + } + + purge_dups(cpu_list, tag->num_records); + + cpus_clear(mask); + for (i = 0; i < tag->num_records; i++) { + if (cpu_list[i] == CPU_SENTINEL) + continue; + + if (cpu_list[i] < NR_CPUS) + cpu_set(cpu_list[i], mask); + } + + if (tag->type == DR_CPU_CONFIGURE) + err = dr_cpu_configure(cp, req_num, &mask); + else + err = dr_cpu_unconfigure(cp, req_num, &mask); + + if (err) + dr_cpu_send_error(cp, data); +} +#endif /* CONFIG_HOTPLUG_CPU */ + +struct ds_pri_msg { + __u64 req_num; + __u64 type; +#define DS_PRI_REQUEST 0x00 +#define DS_PRI_DATA 0x01 +#define DS_PRI_UPDATE 0x02 +}; + +static void ds_pri_data(struct ldc_channel *lp, + struct ds_cap_state *dp, + void *buf, int len) +{ + struct ds_data *dpkt = buf; + struct ds_pri_msg *rp; + + rp = (struct ds_pri_msg *) (dpkt + 1); + + printk(KERN_INFO PFX "PRI REQ [%lx:%lx], len=%d\n", + rp->req_num, rp->type, len); +} + +struct ds_var_hdr { + __u32 type; +#define DS_VAR_SET_REQ 0x00 +#define DS_VAR_DELETE_REQ 0x01 +#define DS_VAR_SET_RESP 0x02 +#define DS_VAR_DELETE_RESP 0x03 +}; + +struct ds_var_set_msg { + struct ds_var_hdr hdr; + char name_and_value[0]; +}; + +struct ds_var_delete_msg { + struct ds_var_hdr hdr; + char name[0]; +}; + +struct ds_var_resp { + struct ds_var_hdr hdr; + __u32 result; +#define DS_VAR_SUCCESS 0x00 +#define DS_VAR_NO_SPACE 0x01 +#define DS_VAR_INVALID_VAR 0x02 +#define DS_VAR_INVALID_VAL 0x03 +#define DS_VAR_NOT_PRESENT 0x04 +}; + +static DEFINE_MUTEX(ds_var_mutex); +static int ds_var_doorbell; +static int ds_var_response; + +static void ds_var_data(struct ldc_channel *lp, + struct ds_cap_state *dp, + void *buf, int len) +{ + struct ds_data *dpkt = buf; + struct ds_var_resp *rp; + + rp = (struct ds_var_resp *) (dpkt + 1); + + if (rp->hdr.type != DS_VAR_SET_RESP && + rp->hdr.type != DS_VAR_DELETE_RESP) + return; + + ds_var_response = rp->result; + wmb(); + ds_var_doorbell = 1; +} + +void ldom_set_var(const char *var, const char *value) +{ + struct ds_info *dp = ds_info; + struct ds_cap_state *cp; + + cp = find_cap_by_string("var-config"); + if (cp->state != CAP_STATE_REGISTERED) + cp = find_cap_by_string("var-config-backup"); + + if (cp->state == CAP_STATE_REGISTERED) { + union { + struct { + struct ds_data data; + struct ds_var_set_msg msg; + } header; + char all[512]; + } pkt; + unsigned long flags; + char *base, *p; + int msg_len, loops; + + memset(&pkt, 0, sizeof(pkt)); + pkt.header.data.tag.type = DS_DATA; + pkt.header.data.handle = cp->handle; + pkt.header.msg.hdr.type = DS_VAR_SET_REQ; + base = p = &pkt.header.msg.name_and_value[0]; + strcpy(p, var); + p += strlen(var) + 1; + strcpy(p, value); + p += strlen(value) + 1; + + msg_len = (sizeof(struct ds_data) + + sizeof(struct ds_var_set_msg) + + (p - base)); + msg_len = (msg_len + 3) & ~3; + pkt.header.data.tag.len = msg_len - sizeof(struct ds_msg_tag); + + mutex_lock(&ds_var_mutex); + + spin_lock_irqsave(&ds_lock, flags); + ds_var_doorbell = 0; + ds_var_response = -1; + + __ds_send(dp->lp, &pkt, msg_len); + spin_unlock_irqrestore(&ds_lock, flags); + + loops = 1000; + while (ds_var_doorbell == 0) { + if (loops-- < 0) + break; + barrier(); + udelay(100); + } + + mutex_unlock(&ds_var_mutex); + + if (ds_var_doorbell == 0 || + ds_var_response != DS_VAR_SUCCESS) + printk(KERN_ERR PFX "var-config [%s:%s] " + "failed, response(%d).\n", + var, value, + ds_var_response); + } else { + printk(KERN_ERR PFX "var-config not registered so " + "could not set (%s) variable to (%s).\n", + var, value); + } +} + +void ldom_reboot(const char *boot_command) +{ + /* Don't bother with any of this if the boot_command + * is empty. + */ + if (boot_command && strlen(boot_command)) { + char full_boot_str[256]; + + strcpy(full_boot_str, "boot "); + strcpy(full_boot_str + strlen("boot "), boot_command); + + ldom_set_var("reboot-command", full_boot_str); + } + sun4v_mach_sir(); +} + +void ldom_power_off(void) +{ + sun4v_mach_exit(0); +} + +static void ds_conn_reset(struct ds_info *dp) +{ + printk(KERN_ERR PFX "ds_conn_reset() from %p\n", + __builtin_return_address(0)); +} + +static int register_services(struct ds_info *dp) +{ + struct ldc_channel *lp = dp->lp; + int i; + + for (i = 0; i < ARRAY_SIZE(ds_states); i++) { + struct { + struct ds_reg_req req; + u8 id_buf[256]; + } pbuf; + struct ds_cap_state *cp = &ds_states[i]; + int err, msg_len; + u64 new_count; + + if (cp->state == CAP_STATE_REGISTERED) + continue; + + new_count = sched_clock() & 0xffffffff; + cp->handle = ((u64) i << 32) | new_count; + + msg_len = (sizeof(struct ds_reg_req) + + strlen(cp->service_id)); + + memset(&pbuf, 0, sizeof(pbuf)); + pbuf.req.tag.type = DS_REG_REQ; + pbuf.req.tag.len = (msg_len - sizeof(struct ds_msg_tag)); + pbuf.req.handle = cp->handle; + pbuf.req.major = 1; + pbuf.req.minor = 0; + strcpy(pbuf.req.svc_id, cp->service_id); + + err = __ds_send(lp, &pbuf, msg_len); + if (err > 0) + cp->state = CAP_STATE_REG_SENT; + } + return 0; +} + +static int ds_handshake(struct ds_info *dp, struct ds_msg_tag *pkt) +{ + + if (dp->hs_state == DS_HS_START) { + if (pkt->type != DS_INIT_ACK) + goto conn_reset; + + dp->hs_state = DS_HS_DONE; + + return register_services(dp); + } + + if (dp->hs_state != DS_HS_DONE) + goto conn_reset; + + if (pkt->type == DS_REG_ACK) { + struct ds_reg_ack *ap = (struct ds_reg_ack *) pkt; + struct ds_cap_state *cp = find_cap(ap->handle); + + if (!cp) { + printk(KERN_ERR PFX "REG ACK for unknown handle %lx\n", + ap->handle); + return 0; + } + printk(KERN_INFO PFX "Registered %s service.\n", + cp->service_id); + cp->state = CAP_STATE_REGISTERED; + } else if (pkt->type == DS_REG_NACK) { + struct ds_reg_nack *np = (struct ds_reg_nack *) pkt; + struct ds_cap_state *cp = find_cap(np->handle); + + if (!cp) { + printk(KERN_ERR PFX "REG NACK for " + "unknown handle %lx\n", + np->handle); + return 0; + } + printk(KERN_INFO PFX "Could not register %s service\n", + cp->service_id); + cp->state = CAP_STATE_UNKNOWN; + } + + return 0; + +conn_reset: + ds_conn_reset(dp); + return -ECONNRESET; +} + +static void __send_ds_nack(struct ds_info *dp, u64 handle) +{ + struct ds_data_nack nack = { + .tag = { + .type = DS_NACK, + .len = (sizeof(struct ds_data_nack) - + sizeof(struct ds_msg_tag)), + }, + .handle = handle, + .result = DS_INV_HDL, + }; + + __ds_send(dp->lp, &nack, sizeof(nack)); +} + +static LIST_HEAD(ds_work_list); +static DECLARE_WAIT_QUEUE_HEAD(ds_wait); + +struct ds_queue_entry { + struct list_head list; + int req_len; + int __pad; + u64 req[0]; +}; + +static void process_ds_work(void) +{ + struct ds_queue_entry *qp, *tmp; + static struct ds_info *dp; + unsigned long flags; + LIST_HEAD(todo); + + spin_lock_irqsave(&ds_lock, flags); + list_splice(&ds_work_list, &todo); + INIT_LIST_HEAD(&ds_work_list); + spin_unlock_irqrestore(&ds_lock, flags); + + dp = ds_info; + + list_for_each_entry_safe(qp, tmp, &todo, list) { + struct ds_data *dpkt = (struct ds_data *) qp->req; + struct ds_cap_state *cp = find_cap(dpkt->handle); + int req_len = qp->req_len; + + if (!cp) { + printk(KERN_ERR PFX "Data for unknown handle %lu\n", + dpkt->handle); + + spin_lock_irqsave(&ds_lock, flags); + __send_ds_nack(dp, dpkt->handle); + spin_unlock_irqrestore(&ds_lock, flags); + } else { + cp->data(dp->lp, cp, dpkt, req_len); + } + + list_del(&qp->list); + kfree(qp); + } +} + +static int ds_thread(void *__unused) +{ + DEFINE_WAIT(wait); + + while (1) { + prepare_to_wait(&ds_wait, &wait, TASK_INTERRUPTIBLE); + if (list_empty(&ds_work_list)) + schedule(); + finish_wait(&ds_wait, &wait); + + if (kthread_should_stop()) + break; + + process_ds_work(); + } + + return 0; +} + +static int ds_data(struct ds_info *dp, struct ds_msg_tag *pkt, int len) +{ + struct ds_data *dpkt = (struct ds_data *) pkt; + struct ds_queue_entry *qp; + + qp = kmalloc(sizeof(struct ds_queue_entry) + len, GFP_ATOMIC); + if (!qp) { + __send_ds_nack(dp, dpkt->handle); + } else { + memcpy(&qp->req, pkt, len); + list_add_tail(&qp->list, &ds_work_list); + wake_up(&ds_wait); + } + return 0; +} + +static void ds_up(struct ds_info *dp) +{ + struct ldc_channel *lp = dp->lp; + struct ds_ver_req req; + int err; + + req.tag.type = DS_INIT_REQ; + req.tag.len = sizeof(req) - sizeof(struct ds_msg_tag); + req.ver.major = 1; + req.ver.minor = 0; + + err = __ds_send(lp, &req, sizeof(req)); + if (err > 0) + dp->hs_state = DS_HS_START; +} + +static void ds_event(void *arg, int event) +{ + struct ds_info *dp = arg; + struct ldc_channel *lp = dp->lp; + unsigned long flags; + int err; + + spin_lock_irqsave(&ds_lock, flags); + + if (event == LDC_EVENT_UP) { + ds_up(dp); + spin_unlock_irqrestore(&ds_lock, flags); + return; + } + + if (event != LDC_EVENT_DATA_READY) { + printk(KERN_WARNING PFX "Unexpected LDC event %d\n", event); + spin_unlock_irqrestore(&ds_lock, flags); + return; + } + + err = 0; + while (1) { + struct ds_msg_tag *tag; + + err = ldc_read(lp, dp->rcv_buf, sizeof(*tag)); + + if (unlikely(err < 0)) { + if (err == -ECONNRESET) + ds_conn_reset(dp); + break; + } + if (err == 0) + break; + + tag = dp->rcv_buf; + err = ldc_read(lp, tag + 1, tag->len); + + if (unlikely(err < 0)) { + if (err == -ECONNRESET) + ds_conn_reset(dp); + break; + } + if (err < tag->len) + break; + + if (tag->type < DS_DATA) + err = ds_handshake(dp, dp->rcv_buf); + else + err = ds_data(dp, dp->rcv_buf, + sizeof(*tag) + err); + if (err == -ECONNRESET) + break; + } + + spin_unlock_irqrestore(&ds_lock, flags); +} + +static int __devinit ds_probe(struct vio_dev *vdev, + const struct vio_device_id *id) +{ + static int ds_version_printed; + struct ldc_channel_config ds_cfg = { + .event = ds_event, + .mtu = 4096, + .mode = LDC_MODE_STREAM, + }; + struct ldc_channel *lp; + struct ds_info *dp; + int err; + + if (ds_version_printed++ == 0) + printk(KERN_INFO "%s", version); + + dp = kzalloc(sizeof(*dp), GFP_KERNEL); + err = -ENOMEM; + if (!dp) + goto out_err; + + dp->rcv_buf = kzalloc(4096, GFP_KERNEL); + if (!dp->rcv_buf) + goto out_free_dp; + + dp->rcv_buf_len = 4096; + + ds_cfg.tx_irq = vdev->tx_irq; + ds_cfg.rx_irq = vdev->rx_irq; + + lp = ldc_alloc(vdev->channel_id, &ds_cfg, dp); + if (IS_ERR(lp)) { + err = PTR_ERR(lp); + goto out_free_rcv_buf; + } + dp->lp = lp; + + err = ldc_bind(lp, "DS"); + if (err) + goto out_free_ldc; + + ds_info = dp; + + start_powerd(); + + return err; + +out_free_ldc: + ldc_free(dp->lp); + +out_free_rcv_buf: + kfree(dp->rcv_buf); + +out_free_dp: + kfree(dp); + +out_err: + return err; +} + +static int ds_remove(struct vio_dev *vdev) +{ + return 0; +} + +static struct vio_device_id ds_match[] = { + { + .type = "domain-services-port", + }, + {}, +}; + +static struct vio_driver ds_driver = { + .id_table = ds_match, + .probe = ds_probe, + .remove = ds_remove, + .driver = { + .name = "ds", + .owner = THIS_MODULE, + } +}; + +static int __init ds_init(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(ds_states); i++) + ds_states[i].handle = ((u64)i << 32); + + kthread_run(ds_thread, NULL, "kldomd"); + + return vio_register_driver(&ds_driver); +} + +subsys_initcall(ds_init); diff --git a/arch/sparc64/kernel/hvtramp.S b/arch/sparc64/kernel/hvtramp.S new file mode 100644 index 0000000..76a090e --- /dev/null +++ b/arch/sparc64/kernel/hvtramp.S @@ -0,0 +1,139 @@ +/* hvtramp.S: Hypervisor start-cpu trampoline code. + * + * Copyright (C) 2007 David S. Miller <davem@davemloft.net> + */ + +#include <asm/thread_info.h> +#include <asm/hypervisor.h> +#include <asm/scratchpad.h> +#include <asm/spitfire.h> +#include <asm/hvtramp.h> +#include <asm/pstate.h> +#include <asm/ptrace.h> +#include <asm/asi.h> + + .text + .align 8 + .globl hv_cpu_startup, hv_cpu_startup_end + + /* This code executes directly out of the hypervisor + * with physical addressing (va==pa). %o0 contains + * our client argument which for Linux points to + * a descriptor data structure which defines the + * MMU entries we need to load up. + * + * After we set things up we enable the MMU and call + * into the kernel. + * + * First setup basic privileged cpu state. + */ +hv_cpu_startup: + wrpr %g0, 0, %gl + wrpr %g0, 15, %pil + wrpr %g0, 0, %canrestore + wrpr %g0, 0, %otherwin + wrpr %g0, 6, %cansave + wrpr %g0, 6, %cleanwin + wrpr %g0, 0, %cwp + wrpr %g0, 0, %wstate + wrpr %g0, 0, %tl + + sethi %hi(sparc64_ttable_tl0), %g1 + wrpr %g1, %tba + + mov %o0, %l0 + + lduw [%l0 + HVTRAMP_DESCR_CPU], %g1 + mov SCRATCHPAD_CPUID, %g2 + stxa %g1, [%g2] ASI_SCRATCHPAD + + ldx [%l0 + HVTRAMP_DESCR_FAULT_INFO_VA], %g2 + stxa %g2, [%g0] ASI_SCRATCHPAD + + mov 0, %l1 + lduw [%l0 + HVTRAMP_DESCR_NUM_MAPPINGS], %l2 + add %l0, HVTRAMP_DESCR_MAPS, %l3 + +1: ldx [%l3 + HVTRAMP_MAPPING_VADDR], %o0 + clr %o1 + ldx [%l3 + HVTRAMP_MAPPING_TTE], %o2 + mov HV_MMU_IMMU | HV_MMU_DMMU, %o3 + mov HV_FAST_MMU_MAP_PERM_ADDR, %o5 + ta HV_FAST_TRAP + + brnz,pn %o0, 80f + nop + + add %l1, 1, %l1 + cmp %l1, %l2 + blt,a,pt %xcc, 1b + add %l3, HVTRAMP_MAPPING_SIZE, %l3 + + ldx [%l0 + HVTRAMP_DESCR_FAULT_INFO_PA], %o0 + mov HV_FAST_MMU_FAULT_AREA_CONF, %o5 + ta HV_FAST_TRAP + + brnz,pn %o0, 80f + nop + + wrpr %g0, (PSTATE_PRIV | PSTATE_PEF), %pstate + + ldx [%l0 + HVTRAMP_DESCR_THREAD_REG], %l6 + + mov 1, %o0 + set 1f, %o1 + mov HV_FAST_MMU_ENABLE, %o5 + ta HV_FAST_TRAP + + ba,pt %xcc, 80f + nop + +1: + wr %g0, 0, %fprs + wr %g0, ASI_P, %asi + + mov PRIMARY_CONTEXT, %g7 + stxa %g0, [%g7] ASI_MMU + membar #Sync + + mov SECONDARY_CONTEXT, %g7 + stxa %g0, [%g7] ASI_MMU + membar #Sync + + mov %l6, %g6 + ldx [%g6 + TI_TASK], %g4 + + mov 1, %g5 + sllx %g5, THREAD_SHIFT, %g5 + sub %g5, (STACKFRAME_SZ + STACK_BIAS), %g5 + add %g6, %g5, %sp + mov 0, %fp + + call init_irqwork_curcpu + nop + call hard_smp_processor_id + nop + + mov %o0, %o1 + mov 0, %o0 + mov 0, %o2 + call sun4v_init_mondo_queues + mov 1, %o3 + + call init_cur_cpu_trap + mov %g6, %o0 + + wrpr %g0, (PSTATE_PRIV | PSTATE_PEF | PSTATE_IE), %pstate + + call smp_callin + nop + call cpu_idle + mov 0, %o0 + call cpu_panic + nop + +80: ba,pt %xcc, 80b + nop + + .align 8 +hv_cpu_startup_end: diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c index 6b6165d3..8cb3358 100644 --- a/arch/sparc64/kernel/irq.c +++ b/arch/sparc64/kernel/irq.c @@ -293,6 +293,11 @@ static void sun4u_irq_enable(unsigned int virt_irq) } } +static void sun4u_set_affinity(unsigned int virt_irq, cpumask_t mask) +{ + sun4u_irq_enable(virt_irq); +} + static void sun4u_irq_disable(unsigned int virt_irq) { struct irq_handler_data *data = get_irq_chip_data(virt_irq); @@ -309,6 +314,10 @@ static void sun4u_irq_disable(unsigned int virt_irq) static void sun4u_irq_end(unsigned int virt_irq) { struct irq_handler_data *data = get_irq_chip_data(virt_irq); + struct irq_desc *desc = irq_desc + virt_irq; + + if (unlikely(desc->status & (IRQ_DISABLED|IRQ_INPROGRESS))) + return; if (likely(data)) upa_writeq(ICLR_IDLE, data->iclr); @@ -340,6 +349,24 @@ static void sun4v_irq_enable(unsigned int virt_irq) } } +static void sun4v_set_affinity(unsigned int virt_irq, cpumask_t mask) +{ + struct ino_bucket *bucket = virt_irq_to_bucket(virt_irq); + unsigned int ino = bucket - &ivector_table[0]; + + if (likely(bucket)) { + unsigned long cpuid; + int err; + + cpuid = irq_choose_cpu(virt_irq); + + err = sun4v_intr_settarget(ino, cpuid); + if (err != HV_EOK) + printk("sun4v_intr_settarget(%x,%lu): err(%d)\n", + ino, cpuid, err); + } +} + static void sun4v_irq_disable(unsigned int virt_irq) { struct ino_bucket *bucket = virt_irq_to_bucket(virt_irq); @@ -373,6 +400,10 @@ static void sun4v_irq_end(unsigned int virt_irq) { struct ino_bucket *bucket = virt_irq_to_bucket(virt_irq); unsigned int ino = bucket - &ivector_table[0]; + struct irq_desc *desc = irq_desc + virt_irq; + + if (unlikely(desc->status & (IRQ_DISABLED|IRQ_INPROGRESS))) + return; if (likely(bucket)) { int err; @@ -418,6 +449,28 @@ static void sun4v_virq_enable(unsigned int virt_irq) } } +static void sun4v_virt_set_affinity(unsigned int virt_irq, cpumask_t mask) +{ + struct ino_bucket *bucket = virt_irq_to_bucket(virt_irq); + unsigned int ino = bucket - &ivector_table[0]; + + if (likely(bucket)) { + unsigned long cpuid, dev_handle, dev_ino; + int err; + + cpuid = irq_choose_cpu(virt_irq); + + dev_handle = ino & IMAP_IGN; + dev_ino = ino & IMAP_INO; + + err = sun4v_vintr_set_target(dev_handle, dev_ino, cpuid); + if (err != HV_EOK) + printk("sun4v_vintr_set_target(%lx,%lx,%lu): " + "err(%d)\n", + dev_handle, dev_ino, cpuid, err); + } +} + static void sun4v_virq_disable(unsigned int virt_irq) { struct ino_bucket *bucket = virt_irq_to_bucket(virt_irq); @@ -443,6 +496,10 @@ static void sun4v_virq_end(unsigned int virt_irq) { struct ino_bucket *bucket = virt_irq_to_bucket(virt_irq); unsigned int ino = bucket - &ivector_table[0]; + struct irq_desc *desc = irq_desc + virt_irq; + + if (unlikely(desc->status & (IRQ_DISABLED|IRQ_INPROGRESS))) + return; if (likely(bucket)) { unsigned long dev_handle, dev_ino; @@ -477,6 +534,7 @@ static struct irq_chip sun4u_irq = { .enable = sun4u_irq_enable, .disable = sun4u_irq_disable, .end = sun4u_irq_end, + .set_affinity = sun4u_set_affinity, }; static struct irq_chip sun4u_irq_ack = { @@ -485,6 +543,7 @@ static struct irq_chip sun4u_irq_ack = { .disable = sun4u_irq_disable, .ack = run_pre_handler, .end = sun4u_irq_end, + .set_affinity = sun4u_set_affinity, }; static struct irq_chip sun4v_irq = { @@ -492,6 +551,7 @@ static struct irq_chip sun4v_irq = { .enable = sun4v_irq_enable, .disable = sun4v_irq_disable, .end = sun4v_irq_end, + .set_affinity = sun4v_set_affinity, }; static struct irq_chip sun4v_irq_ack = { @@ -500,6 +560,7 @@ static struct irq_chip sun4v_irq_ack = { .disable = sun4v_irq_disable, .ack = run_pre_handler, .end = sun4v_irq_end, + .set_affinity = sun4v_set_affinity, }; #ifdef CONFIG_PCI_MSI @@ -511,6 +572,7 @@ static struct irq_chip sun4v_msi = { .disable = sun4v_msi_disable, .ack = run_pre_handler, .end = sun4v_irq_end, + .set_affinity = sun4v_set_affinity, }; #endif @@ -519,6 +581,7 @@ static struct irq_chip sun4v_virq = { .enable = sun4v_virq_enable, .disable = sun4v_virq_disable, .end = sun4v_virq_end, + .set_affinity = sun4v_virt_set_affinity, }; static struct irq_chip sun4v_virq_ack = { @@ -527,6 +590,7 @@ static struct irq_chip sun4v_virq_ack = { .disable = sun4v_virq_disable, .ack = run_pre_handler, .end = sun4v_virq_end, + .set_affinity = sun4v_virt_set_affinity, }; void irq_install_pre_handler(int virt_irq, @@ -739,6 +803,26 @@ void handler_irq(int irq, struct pt_regs *regs) set_irq_regs(old_regs); } +#ifdef CONFIG_HOTPLUG_CPU +void fixup_irqs(void) +{ + unsigned int irq; + + for (irq = 0; irq < NR_IRQS; irq++) { + unsigned long flags; + + spin_lock_irqsave(&irq_desc[irq].lock, flags); + if (irq_desc[irq].action && + !(irq_desc[irq].status & IRQ_PER_CPU)) { + if (irq_desc[irq].chip->set_affinity) + irq_desc[irq].chip->set_affinity(irq, + irq_desc[irq].affinity); + } + spin_unlock_irqrestore(&irq_desc[irq].lock, flags); + } +} +#endif + struct sun5_timer { u64 count0; u64 limit0; diff --git a/arch/sparc64/kernel/ldc.c b/arch/sparc64/kernel/ldc.c new file mode 100644 index 0000000..85a2be0 --- /dev/null +++ b/arch/sparc64/kernel/ldc.c @@ -0,0 +1,2373 @@ +/* ldc.c: Logical Domain Channel link-layer protocol driver. + * + * Copyright (C) 2007 David S. Miller <davem@davemloft.net> + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/spinlock.h> +#include <linux/delay.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/scatterlist.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/init.h> + +#include <asm/hypervisor.h> +#include <asm/iommu.h> +#include <asm/page.h> +#include <asm/ldc.h> +#include <asm/mdesc.h> + +#define DRV_MODULE_NAME "ldc" +#define PFX DRV_MODULE_NAME ": " +#define DRV_MODULE_VERSION "1.0" +#define DRV_MODULE_RELDATE "June 25, 2007" + +static char version[] __devinitdata = + DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n"; +#define LDC_PACKET_SIZE 64 + +/* Packet header layout for unreliable and reliable mode frames. + * When in RAW mode, packets are simply straight 64-byte payloads + * with no headers. + */ +struct ldc_packet { + u8 type; +#define LDC_CTRL 0x01 +#define LDC_DATA 0x02 +#define LDC_ERR 0x10 + + u8 stype; +#define LDC_INFO 0x01 +#define LDC_ACK 0x02 +#define LDC_NACK 0x04 + + u8 ctrl; +#define LDC_VERS 0x01 /* Link Version */ +#define LDC_RTS 0x02 /* Request To Send */ +#define LDC_RTR 0x03 /* Ready To Receive */ +#define LDC_RDX 0x04 /* Ready for Data eXchange */ +#define LDC_CTRL_MSK 0x0f + + u8 env; +#define LDC_LEN 0x3f +#define LDC_FRAG_MASK 0xc0 +#define LDC_START 0x40 +#define LDC_STOP 0x80 + + u32 seqid; + + union { + u8 u_data[LDC_PACKET_SIZE - 8]; + struct { + u32 pad; + u32 ackid; + u8 r_data[LDC_PACKET_SIZE - 8 - 8]; + } r; + } u; +}; + +struct ldc_version { + u16 major; + u16 minor; +}; + +/* Ordered from largest major to lowest. */ +static struct ldc_version ver_arr[] = { + { .major = 1, .minor = 0 }, +}; + +#define LDC_DEFAULT_MTU (4 * LDC_PACKET_SIZE) +#define LDC_DEFAULT_NUM_ENTRIES (PAGE_SIZE / LDC_PACKET_SIZE) + +struct ldc_channel; + +struct ldc_mode_ops { + int (*write)(struct ldc_channel *, const void *, unsigned int); + int (*read)(struct ldc_channel *, void *, unsigned int); +}; + +static const struct ldc_mode_ops raw_ops; +static const struct ldc_mode_ops nonraw_ops; +static const struct ldc_mode_ops stream_ops; + +int ldom_domaining_enabled; + +struct ldc_iommu { + /* Protects arena alloc/free. */ + spinlock_t lock; + struct iommu_arena arena; + struct ldc_mtable_entry *page_table; +}; + +struct ldc_channel { + /* Protects all operations that depend upon channel state. */ + spinlock_t lock; + + unsigned long id; + + u8 *mssbuf; + u32 mssbuf_len; + u32 mssbuf_off; + + struct ldc_packet *tx_base; + unsigned long tx_head; + unsigned long tx_tail; + unsigned long tx_num_entries; + unsigned long tx_ra; + + unsigned long tx_acked; + + struct ldc_packet *rx_base; + unsigned long rx_head; + unsigned long rx_tail; + unsigned long rx_num_entries; + unsigned long rx_ra; + + u32 rcv_nxt; + u32 snd_nxt; + + unsigned long chan_state; + + struct ldc_channel_config cfg; + void *event_arg; + + const struct ldc_mode_ops *mops; + + struct ldc_iommu iommu; + + struct ldc_version ver; + + u8 hs_state; +#define LDC_HS_CLOSED 0x00 +#define LDC_HS_OPEN 0x01 +#define LDC_HS_GOTVERS 0x02 +#define LDC_HS_SENTRTR 0x03 +#define LDC_HS_GOTRTR 0x04 +#define LDC_HS_COMPLETE 0x10 + + u8 flags; +#define LDC_FLAG_ALLOCED_QUEUES 0x01 +#define LDC_FLAG_REGISTERED_QUEUES 0x02 +#define LDC_FLAG_REGISTERED_IRQS 0x04 +#define LDC_FLAG_RESET 0x10 + + u8 mss; + u8 state; + +#define LDC_IRQ_NAME_MAX 32 + char rx_irq_name[LDC_IRQ_NAME_MAX]; + char tx_irq_name[LDC_IRQ_NAME_MAX]; + + struct hlist_head mh_list; + + struct hlist_node list; +}; + +#define ldcdbg(TYPE, f, a...) \ +do { if (lp->cfg.debug & LDC_DEBUG_##TYPE) \ + printk(KERN_INFO PFX "ID[%lu] " f, lp->id, ## a); \ +} while (0) + +static const char *state_to_str(u8 state) +{ + switch (state) { + case LDC_STATE_INVALID: + return "INVALID"; + case LDC_STATE_INIT: + return "INIT"; + case LDC_STATE_BOUND: + return "BOUND"; + case LDC_STATE_READY: + return "READY"; + case LDC_STATE_CONNECTED: + return "CONNECTED"; + default: + return "<UNKNOWN>"; + } +} + +static void ldc_set_state(struct ldc_channel *lp, u8 state) +{ + ldcdbg(STATE, "STATE (%s) --> (%s)\n", + state_to_str(lp->state), + state_to_str(state)); + + lp->state = state; +} + +static unsigned long __advance(unsigned long off, unsigned long num_entries) +{ + off += LDC_PACKET_SIZE; + if (off == (num_entries * LDC_PACKET_SIZE)) + off = 0; + + return off; +} + +static unsigned long rx_advance(struct ldc_channel *lp, unsigned long off) +{ + return __advance(off, lp->rx_num_entries); +} + +static unsigned long tx_advance(struct ldc_channel *lp, unsigned long off) +{ + return __advance(off, lp->tx_num_entries); +} + +static struct ldc_packet *handshake_get_tx_packet(struct ldc_channel *lp, + unsigned long *new_tail) +{ + struct ldc_packet *p; + unsigned long t; + + t = tx_advance(lp, lp->tx_tail); + if (t == lp->tx_head) + return NULL; + + *new_tail = t; + + p = lp->tx_base; + return p + (lp->tx_tail / LDC_PACKET_SIZE); +} + +/* When we are in reliable or stream mode, have to track the next packet + * we haven't gotten an ACK for in the TX queue using tx_acked. We have + * to be careful not to stomp over the queue past that point. During + * the handshake, we don't have TX data packets pending in the queue + * and that's why handshake_get_tx_packet() need not be mindful of + * lp->tx_acked. + */ +static unsigned long head_for_data(struct ldc_channel *lp) +{ + if (lp->cfg.mode == LDC_MODE_STREAM) + return lp->tx_acked; + return lp->tx_head; +} + +static int tx_has_space_for(struct ldc_channel *lp, unsigned int size) +{ + unsigned long limit, tail, new_tail, diff; + unsigned int mss; + + limit = head_for_data(lp); + tail = lp->tx_tail; + new_tail = tx_advance(lp, tail); + if (new_tail == limit) + return 0; + + if (limit > new_tail) + diff = limit - new_tail; + else + diff = (limit + + ((lp->tx_num_entries * LDC_PACKET_SIZE) - new_tail)); + diff /= LDC_PACKET_SIZE; + mss = lp->mss; + + if (diff * mss < size) + return 0; + + return 1; +} + +static struct ldc_packet *data_get_tx_packet(struct ldc_channel *lp, + unsigned long *new_tail) +{ + struct ldc_packet *p; + unsigned long h, t; + + h = head_for_data(lp); + t = tx_advance(lp, lp->tx_tail); + if (t == h) + return NULL; + + *new_tail = t; + + p = lp->tx_base; + return p + (lp->tx_tail / LDC_PACKET_SIZE); +} + +static int set_tx_tail(struct ldc_channel *lp, unsigned long tail) +{ + unsigned long orig_tail = lp->tx_tail; + int limit = 1000; + + lp->tx_tail = tail; + while (limit-- > 0) { + unsigned long err; + + err = sun4v_ldc_tx_set_qtail(lp->id, tail); + if (!err) + return 0; + + if (err != HV_EWOULDBLOCK) { + lp->tx_tail = orig_tail; + return -EINVAL; + } + udelay(1); + } + + lp->tx_tail = orig_tail; + return -EBUSY; +} + +/* This just updates the head value in the hypervisor using + * a polling loop with a timeout. The caller takes care of + * upating software state representing the head change, if any. + */ +static int __set_rx_head(struct ldc_channel *lp, unsigned long head) +{ + int limit = 1000; + + while (limit-- > 0) { + unsigned long err; + + err = sun4v_ldc_rx_set_qhead(lp->id, head); + if (!err) + return 0; + + if (err != HV_EWOULDBLOCK) + return -EINVAL; + + udelay(1); + } + + return -EBUSY; +} + +static int send_tx_packet(struct ldc_channel *lp, + struct ldc_packet *p, + unsigned long new_tail) +{ + BUG_ON(p != (lp->tx_base + (lp->tx_tail / LDC_PACKET_SIZE))); + + return set_tx_tail(lp, new_tail); +} + +static struct ldc_packet *handshake_compose_ctrl(struct ldc_channel *lp, + u8 stype, u8 ctrl, + void *data, int dlen, + unsigned long *new_tail) +{ + struct ldc_packet *p = handshake_get_tx_packet(lp, new_tail); + + if (p) { + memset(p, 0, sizeof(*p)); + p->type = LDC_CTRL; + p->stype = stype; + p->ctrl = ctrl; + if (data) + memcpy(p->u.u_data, data, dlen); + } + return p; +} + +static int start_handshake(struct ldc_channel *lp) +{ + struct ldc_packet *p; + struct ldc_version *ver; + unsigned long new_tail; + + ver = &ver_arr[0]; + + ldcdbg(HS, "SEND VER INFO maj[%u] min[%u]\n", + ver->major, ver->minor); + + p = handshake_compose_ctrl(lp, LDC_INFO, LDC_VERS, + ver, sizeof(*ver), &new_tail); + if (p) { + int err = send_tx_packet(lp, p, new_tail); + if (!err) + lp->flags &= ~LDC_FLAG_RESET; + return err; + } + return -EBUSY; +} + +static int send_version_nack(struct ldc_channel *lp, + u16 major, u16 minor) +{ + struct ldc_packet *p; + struct ldc_version ver; + unsigned long new_tail; + + ver.major = major; + ver.minor = minor; + + p = handshake_compose_ctrl(lp, LDC_NACK, LDC_VERS, + &ver, sizeof(ver), &new_tail); + if (p) { + ldcdbg(HS, "SEND VER NACK maj[%u] min[%u]\n", + ver.major, ver.minor); + + return send_tx_packet(lp, p, new_tail); + } + return -EBUSY; +} + +static int send_version_ack(struct ldc_channel *lp, + struct ldc_version *vp) +{ + struct ldc_packet *p; + unsigned long new_tail; + + p = handshake_compose_ctrl(lp, LDC_ACK, LDC_VERS, + vp, sizeof(*vp), &new_tail); + if (p) { + ldcdbg(HS, "SEND VER ACK maj[%u] min[%u]\n", + vp->major, vp->minor); + + return send_tx_packet(lp, p, new_tail); + } + return -EBUSY; +} + +static int send_rts(struct ldc_channel *lp) +{ + struct ldc_packet *p; + unsigned long new_tail; + + p = handshake_compose_ctrl(lp, LDC_INFO, LDC_RTS, NULL, 0, + &new_tail); + if (p) { + p->env = lp->cfg.mode; + p->seqid = 0; + lp->rcv_nxt = 0; + + ldcdbg(HS, "SEND RTS env[0x%x] seqid[0x%x]\n", + p->env, p->seqid); + + return send_tx_packet(lp, p, new_tail); + } + return -EBUSY; +} + +static int send_rtr(struct ldc_channel *lp) +{ + struct ldc_packet *p; + unsigned long new_tail; + + p = handshake_compose_ctrl(lp, LDC_INFO, LDC_RTR, NULL, 0, + &new_tail); + if (p) { + p->env = lp->cfg.mode; + p->seqid = 0; + + ldcdbg(HS, "SEND RTR env[0x%x] seqid[0x%x]\n", + p->env, p->seqid); + + return send_tx_packet(lp, p, new_tail); + } + return -EBUSY; +} + +static int send_rdx(struct ldc_channel *lp) +{ + struct ldc_packet *p; + unsigned long new_tail; + + p = handshake_compose_ctrl(lp, LDC_INFO, LDC_RDX, NULL, 0, + &new_tail); + if (p) { + p->env = 0; + p->seqid = ++lp->snd_nxt; + p->u.r.ackid = lp->rcv_nxt; + + ldcdbg(HS, "SEND RDX env[0x%x] seqid[0x%x] ackid[0x%x]\n", + p->env, p->seqid, p->u.r.ackid); + + return send_tx_packet(lp, p, new_tail); + } + return -EBUSY; +} + +static int send_data_nack(struct ldc_channel *lp, struct ldc_packet *data_pkt) +{ + struct ldc_packet *p; + unsigned long new_tail; + int err; + + p = data_get_tx_packet(lp, &new_tail); + if (!p) + return -EBUSY; + memset(p, 0, sizeof(*p)); + p->type = data_pkt->type; + p->stype = LDC_NACK; + p->ctrl = data_pkt->ctrl & LDC_CTRL_MSK; + p->seqid = lp->snd_nxt + 1; + p->u.r.ackid = lp->rcv_nxt; + + ldcdbg(HS, "SEND DATA NACK type[0x%x] ctl[0x%x] seq[0x%x] ack[0x%x]\n", + p->type, p->ctrl, p->seqid, p->u.r.ackid); + + err = send_tx_packet(lp, p, new_tail); + if (!err) + lp->snd_nxt++; + + return err; +} + +static int ldc_abort(struct ldc_channel *lp) +{ + unsigned long hv_err; + + ldcdbg(STATE, "ABORT\n"); + + /* We report but do not act upon the hypervisor errors because + * there really isn't much we can do if they fail at this point. + */ + hv_err = sun4v_ldc_tx_qconf(lp->id, lp->tx_ra, lp->tx_num_entries); + if (hv_err) + printk(KERN_ERR PFX "ldc_abort: " + "sun4v_ldc_tx_qconf(%lx,%lx,%lx) failed, err=%lu\n", + lp->id, lp->tx_ra, lp->tx_num_entries, hv_err); + + hv_err = sun4v_ldc_tx_get_state(lp->id, + &lp->tx_head, + &lp->tx_tail, + &lp->chan_state); + if (hv_err) + printk(KERN_ERR PFX "ldc_abort: " + "sun4v_ldc_tx_get_state(%lx,...) failed, err=%lu\n", + lp->id, hv_err); + + hv_err = sun4v_ldc_rx_qconf(lp->id, lp->rx_ra, lp->rx_num_entries); + if (hv_err) + printk(KERN_ERR PFX "ldc_abort: " + "sun4v_ldc_rx_qconf(%lx,%lx,%lx) failed, err=%lu\n", + lp->id, lp->rx_ra, lp->rx_num_entries, hv_err); + + /* Refetch the RX queue state as well, because we could be invoked + * here in the queue processing context. + */ + hv_err = sun4v_ldc_rx_get_state(lp->id, + &lp->rx_head, + &lp->rx_tail, + &lp->chan_state); + if (hv_err) + printk(KERN_ERR PFX "ldc_abort: " + "sun4v_ldc_rx_get_state(%lx,...) failed, err=%lu\n", + lp->id, hv_err); + + return -ECONNRESET; +} + +static struct ldc_version *find_by_major(u16 major) +{ + struct ldc_version *ret = NULL; + int i; + + for (i = 0; i < ARRAY_SIZE(ver_arr); i++) { + struct ldc_version *v = &ver_arr[i]; + if (v->major <= major) { + ret = v; + break; + } + } + return ret; +} + +static int process_ver_info(struct ldc_channel *lp, struct ldc_version *vp) +{ + struct ldc_version *vap; + int err; + + ldcdbg(HS, "GOT VERSION INFO major[%x] minor[%x]\n", + vp->major, vp->minor); + + if (lp->hs_state == LDC_HS_GOTVERS) { + lp->hs_state = LDC_HS_OPEN; + memset(&lp->ver, 0, sizeof(lp->ver)); + } + + vap = find_by_major(vp->major); + if (!vap) { + err = send_version_nack(lp, 0, 0); + } else if (vap->major != vp->major) { + err = send_version_nack(lp, vap->major, vap->minor); + } else { + struct ldc_version ver = *vp; + if (ver.minor > vap->minor) + ver.minor = vap->minor; + err = send_version_ack(lp, &ver); + if (!err) { + lp->ver = ver; + lp->hs_state = LDC_HS_GOTVERS; + } + } + if (err) + return ldc_abort(lp); + + return 0; +} + +static int process_ver_ack(struct ldc_channel *lp, struct ldc_version *vp) +{ + ldcdbg(HS, "GOT VERSION ACK major[%x] minor[%x]\n", + vp->major, vp->minor); + + if (lp->hs_state == LDC_HS_GOTVERS) { + if (lp->ver.major != vp->major || + lp->ver.minor != vp->minor) + return ldc_abort(lp); + } else { + lp->ver = *vp; + lp->hs_state = LDC_HS_GOTVERS; + } + if (send_rts(lp)) + return ldc_abort(lp); + return 0; +} + +static int process_ver_nack(struct ldc_channel *lp, struct ldc_version *vp) +{ + struct ldc_version *vap; + + if ((vp->major == 0 && vp->minor == 0) || + !(vap = find_by_major(vp->major))) { + return ldc_abort(lp); + } else { + struct ldc_packet *p; + unsigned long new_tail; + + p = handshake_compose_ctrl(lp, LDC_INFO, LDC_VERS, + vap, sizeof(*vap), + &new_tail); + if (p) + return send_tx_packet(lp, p, new_tail); + else + return ldc_abort(lp); + } +} + +static int process_version(struct ldc_channel *lp, + struct ldc_packet *p) +{ + struct ldc_version *vp; + + vp = (struct ldc_version *) p->u.u_data; + + switch (p->stype) { + case LDC_INFO: + return process_ver_info(lp, vp); + + case LDC_ACK: + return process_ver_ack(lp, vp); + + case LDC_NACK: + return process_ver_nack(lp, vp); + + default: + return ldc_abort(lp); + } +} + +static int process_rts(struct ldc_channel *lp, + struct ldc_packet *p) +{ + ldcdbg(HS, "GOT RTS stype[%x] seqid[%x] env[%x]\n", + p->stype, p->seqid, p->env); + + if (p->stype != LDC_INFO || + lp->hs_state != LDC_HS_GOTVERS || + p->env != lp->cfg.mode) + return ldc_abort(lp); + + lp->snd_nxt = p->seqid; + lp->rcv_nxt = p->seqid; + lp->hs_state = LDC_HS_SENTRTR; + if (send_rtr(lp)) + return ldc_abort(lp); + + return 0; +} + +static int process_rtr(struct ldc_channel *lp, + struct ldc_packet *p) +{ + ldcdbg(HS, "GOT RTR stype[%x] seqid[%x] env[%x]\n", + p->stype, p->seqid, p->env); + + if (p->stype != LDC_INFO || + p->env != lp->cfg.mode) + return ldc_abort(lp); + + lp->snd_nxt = p->seqid; + lp->hs_state = LDC_HS_COMPLETE; + ldc_set_state(lp, LDC_STATE_CONNECTED); + send_rdx(lp); + + return LDC_EVENT_UP; +} + +static int rx_seq_ok(struct ldc_channel *lp, u32 seqid) +{ + return lp->rcv_nxt + 1 == seqid; +} + +static int process_rdx(struct ldc_channel *lp, + struct ldc_packet *p) +{ + ldcdbg(HS, "GOT RDX stype[%x] seqid[%x] env[%x] ackid[%x]\n", + p->stype, p->seqid, p->env, p->u.r.ackid); + + if (p->stype != LDC_INFO || + !(rx_seq_ok(lp, p->seqid))) + return ldc_abort(lp); + + lp->rcv_nxt = p->seqid; + + lp->hs_state = LDC_HS_COMPLETE; + ldc_set_state(lp, LDC_STATE_CONNECTED); + + return LDC_EVENT_UP; +} + +static int process_control_frame(struct ldc_channel *lp, + struct ldc_packet *p) +{ + switch (p->ctrl) { + case LDC_VERS: + return process_version(lp, p); + + case LDC_RTS: + return process_rts(lp, p); + + case LDC_RTR: + return process_rtr(lp, p); + + case LDC_RDX: + return process_rdx(lp, p); + + default: + return ldc_abort(lp); + } +} + +static int process_error_frame(struct ldc_channel *lp, + struct ldc_packet *p) +{ + return ldc_abort(lp); +} + +static int process_data_ack(struct ldc_channel *lp, + struct ldc_packet *ack) +{ + unsigned long head = lp->tx_acked; + u32 ackid = ack->u.r.ackid; + + while (1) { + struct ldc_packet *p = lp->tx_base + (head / LDC_PACKET_SIZE); + + head = tx_advance(lp, head); + + if (p->seqid == ackid) { + lp->tx_acked = head; + return 0; + } + if (head == lp->tx_tail) + return ldc_abort(lp); + } + + return 0; +} + +static void send_events(struct ldc_channel *lp, unsigned int event_mask) +{ + if (event_mask & LDC_EVENT_RESET) + lp->cfg.event(lp->event_arg, LDC_EVENT_RESET); + if (event_mask & LDC_EVENT_UP) + lp->cfg.event(lp->event_arg, LDC_EVENT_UP); + if (event_mask & LDC_EVENT_DATA_READY) + lp->cfg.event(lp->event_arg, LDC_EVENT_DATA_READY); +} + +static irqreturn_t ldc_rx(int irq, void *dev_id) +{ + struct ldc_channel *lp = dev_id; + unsigned long orig_state, hv_err, flags; + unsigned int event_mask; + + spin_lock_irqsave(&lp->lock, flags); + + orig_state = lp->chan_state; + hv_err = sun4v_ldc_rx_get_state(lp->id, + &lp->rx_head, + &lp->rx_tail, + &lp->chan_state); + + ldcdbg(RX, "RX state[0x%02lx:0x%02lx] head[0x%04lx] tail[0x%04lx]\n", + orig_state, lp->chan_state, lp->rx_head, lp->rx_tail); + + event_mask = 0; + + if (lp->cfg.mode == LDC_MODE_RAW && + lp->chan_state == LDC_CHANNEL_UP) { + lp->hs_state = LDC_HS_COMPLETE; + ldc_set_state(lp, LDC_STATE_CONNECTED); + + event_mask |= LDC_EVENT_UP; + + orig_state = lp->chan_state; + } + + /* If we are in reset state, flush the RX queue and ignore + * everything. + */ + if (lp->flags & LDC_FLAG_RESET) { + (void) __set_rx_head(lp, lp->rx_tail); + goto out; + } + + /* Once we finish the handshake, we let the ldc_read() + * paths do all of the control frame and state management. + * Just trigger the callback. + */ + if (lp->hs_state == LDC_HS_COMPLETE) { +handshake_complete: + if (lp->chan_state != orig_state) { + unsigned int event = LDC_EVENT_RESET; + + if (lp->chan_state == LDC_CHANNEL_UP) + event = LDC_EVENT_UP; + + event_mask |= event; + } + if (lp->rx_head != lp->rx_tail) + event_mask |= LDC_EVENT_DATA_READY; + + goto out; + } + + if (lp->chan_state != orig_state) + goto out; + + while (lp->rx_head != lp->rx_tail) { + struct ldc_packet *p; + unsigned long new; + int err; + + p = lp->rx_base + (lp->rx_head / LDC_PACKET_SIZE); + + switch (p->type) { + case LDC_CTRL: + err = process_control_frame(lp, p); + if (err > 0) + event_mask |= err; + break; + + case LDC_DATA: + event_mask |= LDC_EVENT_DATA_READY; + err = 0; + break; + + case LDC_ERR: + err = process_error_frame(lp, p); + break; + + default: + err = ldc_abort(lp); + break; + } + + if (err < 0) + break; + + new = lp->rx_head; + new += LDC_PACKET_SIZE; + if (new == (lp->rx_num_entries * LDC_PACKET_SIZE)) + new = 0; + lp->rx_head = new; + + err = __set_rx_head(lp, new); + if (err < 0) { + (void) ldc_abort(lp); + break; + } + if (lp->hs_state == LDC_HS_COMPLETE) + goto handshake_complete; + } + +out: + spin_unlock_irqrestore(&lp->lock, flags); + + send_events(lp, event_mask); + + return IRQ_HANDLED; +} + +static irqreturn_t ldc_tx(int irq, void *dev_id) +{ + struct ldc_channel *lp = dev_id; + unsigned long flags, hv_err, orig_state; + unsigned int event_mask = 0; + + spin_lock_irqsave(&lp->lock, flags); + + orig_state = lp->chan_state; + hv_err = sun4v_ldc_tx_get_state(lp->id, + &lp->tx_head, + &lp->tx_tail, + &lp->chan_state); + + ldcdbg(TX, " TX state[0x%02lx:0x%02lx] head[0x%04lx] tail[0x%04lx]\n", + orig_state, lp->chan_state, lp->tx_head, lp->tx_tail); + + if (lp->cfg.mode == LDC_MODE_RAW && + lp->chan_state == LDC_CHANNEL_UP) { + lp->hs_state = LDC_HS_COMPLETE; + ldc_set_state(lp, LDC_STATE_CONNECTED); + + event_mask |= LDC_EVENT_UP; + } + + spin_unlock_irqrestore(&lp->lock, flags); + + send_events(lp, event_mask); + + return IRQ_HANDLED; +} + +/* XXX ldc_alloc() and ldc_free() needs to run under a mutex so + * XXX that addition and removal from the ldc_channel_list has + * XXX atomicity, otherwise the __ldc_channel_exists() check is + * XXX totally pointless as another thread can slip into ldc_alloc() + * XXX and add a channel with the same ID. There also needs to be + * XXX a spinlock for ldc_channel_list. + */ +static HLIST_HEAD(ldc_channel_list); + +static int __ldc_channel_exists(unsigned long id) +{ + struct ldc_channel *lp; + struct hlist_node *n; + + hlist_for_each_entry(lp, n, &ldc_channel_list, list) { + if (lp->id == id) + return 1; + } + return 0; +} + +static int alloc_queue(const char *name, unsigned long num_entries, + struct ldc_packet **base, unsigned long *ra) +{ + unsigned long size, order; + void *q; + + size = num_entries * LDC_PACKET_SIZE; + order = get_order(size); + + q = (void *) __get_free_pages(GFP_KERNEL, order); + if (!q) { + printk(KERN_ERR PFX "Alloc of %s queue failed with " + "size=%lu order=%lu\n", name, size, order); + return -ENOMEM; + } + + memset(q, 0, PAGE_SIZE << order); + + *base = q; + *ra = __pa(q); + + return 0; +} + +static void free_queue(unsigned long num_entries, struct ldc_packet *q) +{ + unsigned long size, order; + + if (!q) + return; + + size = num_entries * LDC_PACKET_SIZE; + order = get_order(size); + + free_pages((unsigned long)q, order); +} + +/* XXX Make this configurable... XXX */ +#define LDC_IOTABLE_SIZE (8 * 1024) + +static int ldc_iommu_init(struct ldc_channel *lp) +{ + unsigned long sz, num_tsb_entries, tsbsize, order; + struct ldc_iommu *iommu = &lp->iommu; + struct ldc_mtable_entry *table; + unsigned long hv_err; + int err; + + num_tsb_entries = LDC_IOTABLE_SIZE; + tsbsize = num_tsb_entries * sizeof(struct ldc_mtable_entry); + + spin_lock_init(&iommu->lock); + + sz = num_tsb_entries / 8; + sz = (sz + 7UL) & ~7UL; + iommu->arena.map = kzalloc(sz, GFP_KERNEL); + if (!iommu->arena.map) { + printk(KERN_ERR PFX "Alloc of arena map failed, sz=%lu\n", sz); + return -ENOMEM; + } + + iommu->arena.limit = num_tsb_entries; + + order = get_order(tsbsize); + + table = (struct ldc_mtable_entry *) + __get_free_pages(GFP_KERNEL, order); + err = -ENOMEM; + if (!table) { + printk(KERN_ERR PFX "Alloc of MTE table failed, " + "size=%lu order=%lu\n", tsbsize, order); + goto out_free_map; + } + + memset(table, 0, PAGE_SIZE << order); + + iommu->page_table = table; + + hv_err = sun4v_ldc_set_map_table(lp->id, __pa(table), + num_tsb_entries); + err = -EINVAL; + if (hv_err) + goto out_free_table; + + return 0; + +out_free_table: + free_pages((unsigned long) table, order); + iommu->page_table = NULL; + +out_free_map: + kfree(iommu->arena.map); + iommu->arena.map = NULL; + + return err; +} + +static void ldc_iommu_release(struct ldc_channel *lp) +{ + struct ldc_iommu *iommu = &lp->iommu; + unsigned long num_tsb_entries, tsbsize, order; + + (void) sun4v_ldc_set_map_table(lp->id, 0, 0); + + num_tsb_entries = iommu->arena.limit; + tsbsize = num_tsb_entries * sizeof(struct ldc_mtable_entry); + order = get_order(tsbsize); + + free_pages((unsigned long) iommu->page_table, order); + iommu->page_table = NULL; + + kfree(iommu->arena.map); + iommu->arena.map = NULL; +} + +struct ldc_channel *ldc_alloc(unsigned long id, + const struct ldc_channel_config *cfgp, + void *event_arg) +{ + struct ldc_channel *lp; + const struct ldc_mode_ops *mops; + unsigned long dummy1, dummy2, hv_err; + u8 mss, *mssbuf; + int err; + + err = -ENODEV; + if (!ldom_domaining_enabled) + goto out_err; + + err = -EINVAL; + if (!cfgp) + goto out_err; + + switch (cfgp->mode) { + case LDC_MODE_RAW: + mops = &raw_ops; + mss = LDC_PACKET_SIZE; + break; + + case LDC_MODE_UNRELIABLE: + mops = &nonraw_ops; + mss = LDC_PACKET_SIZE - 8; + break; + + case LDC_MODE_STREAM: + mops = &stream_ops; + mss = LDC_PACKET_SIZE - 8 - 8; + break; + + default: + goto out_err; + } + + if (!cfgp->event || !event_arg || !cfgp->rx_irq || !cfgp->tx_irq) + goto out_err; + + hv_err = sun4v_ldc_tx_qinfo(id, &dummy1, &dummy2); + err = -ENODEV; + if (hv_err == HV_ECHANNEL) + goto out_err; + + err = -EEXIST; + if (__ldc_channel_exists(id)) + goto out_err; + + mssbuf = NULL; + + lp = kzalloc(sizeof(*lp), GFP_KERNEL); + err = -ENOMEM; + if (!lp) + goto out_err; + + spin_lock_init(&lp->lock); + + lp->id = id; + + err = ldc_iommu_init(lp); + if (err) + goto out_free_ldc; + + lp->mops = mops; + lp->mss = mss; + + lp->cfg = *cfgp; + if (!lp->cfg.mtu) + lp->cfg.mtu = LDC_DEFAULT_MTU; + + if (lp->cfg.mode == LDC_MODE_STREAM) { + mssbuf = kzalloc(lp->cfg.mtu, GFP_KERNEL); + if (!mssbuf) { + err = -ENOMEM; + goto out_free_iommu; + } + lp->mssbuf = mssbuf; + } + + lp->event_arg = event_arg; + + /* XXX allow setting via ldc_channel_config to override defaults + * XXX or use some formula based upon mtu + */ + lp->tx_num_entries = LDC_DEFAULT_NUM_ENTRIES; + lp->rx_num_entries = LDC_DEFAULT_NUM_ENTRIES; + + err = alloc_queue("TX", lp->tx_num_entries, + &lp->tx_base, &lp->tx_ra); + if (err) + goto out_free_mssbuf; + + err = alloc_queue("RX", lp->rx_num_entries, + &lp->rx_base, &lp->rx_ra); + if (err) + goto out_free_txq; + + lp->flags |= LDC_FLAG_ALLOCED_QUEUES; + + lp->hs_state = LDC_HS_CLOSED; + ldc_set_state(lp, LDC_STATE_INIT); + + INIT_HLIST_NODE(&lp->list); + hlist_add_head(&lp->list, &ldc_channel_list); + + INIT_HLIST_HEAD(&lp->mh_list); + + return lp; + +out_free_txq: + free_queue(lp->tx_num_entries, lp->tx_base); + +out_free_mssbuf: + if (mssbuf) + kfree(mssbuf); + +out_free_iommu: + ldc_iommu_release(lp); + +out_free_ldc: + kfree(lp); + +out_err: + return ERR_PTR(err); +} +EXPORT_SYMBOL(ldc_alloc); + +void ldc_free(struct ldc_channel *lp) +{ + if (lp->flags & LDC_FLAG_REGISTERED_IRQS) { + free_irq(lp->cfg.rx_irq, lp); + free_irq(lp->cfg.tx_irq, lp); + } + + if (lp->flags & LDC_FLAG_REGISTERED_QUEUES) { + sun4v_ldc_tx_qconf(lp->id, 0, 0); + sun4v_ldc_rx_qconf(lp->id, 0, 0); + lp->flags &= ~LDC_FLAG_REGISTERED_QUEUES; + } + if (lp->flags & LDC_FLAG_ALLOCED_QUEUES) { + free_queue(lp->tx_num_entries, lp->tx_base); + free_queue(lp->rx_num_entries, lp->rx_base); + lp->flags &= ~LDC_FLAG_ALLOCED_QUEUES; + } + + hlist_del(&lp->list); + + if (lp->mssbuf) + kfree(lp->mssbuf); + + ldc_iommu_release(lp); + + kfree(lp); +} +EXPORT_SYMBOL(ldc_free); + +/* Bind the channel. This registers the LDC queues with + * the hypervisor and puts the channel into a pseudo-listening + * state. This does not initiate a handshake, ldc_connect() does + * that. + */ +int ldc_bind(struct ldc_channel *lp, const char *name) +{ + unsigned long hv_err, flags; + int err = -EINVAL; + + spin_lock_irqsave(&lp->lock, flags); + + if (!name) + goto out_err; + + if (lp->state != LDC_STATE_INIT) + goto out_err; + + snprintf(lp->rx_irq_name, LDC_IRQ_NAME_MAX, "%s RX", name); + snprintf(lp->tx_irq_name, LDC_IRQ_NAME_MAX, "%s TX", name); + + err = request_irq(lp->cfg.rx_irq, ldc_rx, + IRQF_SAMPLE_RANDOM | IRQF_SHARED, + lp->rx_irq_name, lp); + if (err) + goto out_err; + + err = request_irq(lp->cfg.tx_irq, ldc_tx, + IRQF_SAMPLE_RANDOM | IRQF_SHARED, + lp->tx_irq_name, lp); + if (err) + goto out_free_rx_irq; + + + lp->flags |= LDC_FLAG_REGISTERED_IRQS; + + err = -ENODEV; + hv_err = sun4v_ldc_tx_qconf(lp->id, 0, 0); + if (hv_err) + goto out_free_tx_irq; + + hv_err = sun4v_ldc_tx_qconf(lp->id, lp->tx_ra, lp->tx_num_entries); + if (hv_err) + goto out_free_tx_irq; + + hv_err = sun4v_ldc_rx_qconf(lp->id, 0, 0); + if (hv_err) + goto out_unmap_tx; + + hv_err = sun4v_ldc_rx_qconf(lp->id, lp->rx_ra, lp->rx_num_entries); + if (hv_err) + goto out_unmap_tx; + + lp->flags |= LDC_FLAG_REGISTERED_QUEUES; + + hv_err = sun4v_ldc_tx_get_state(lp->id, + &lp->tx_head, + &lp->tx_tail, + &lp->chan_state); + err = -EBUSY; + if (hv_err) + goto out_unmap_rx; + + lp->tx_acked = lp->tx_head; + + lp->hs_state = LDC_HS_OPEN; + ldc_set_state(lp, LDC_STATE_BOUND); + + spin_unlock_irqrestore(&lp->lock, flags); + + return 0; + +out_unmap_rx: + lp->flags &= ~LDC_FLAG_REGISTERED_QUEUES; + sun4v_ldc_rx_qconf(lp->id, 0, 0); + +out_unmap_tx: + sun4v_ldc_tx_qconf(lp->id, 0, 0); + +out_free_tx_irq: + lp->flags &= ~LDC_FLAG_REGISTERED_IRQS; + free_irq(lp->cfg.tx_irq, lp); + +out_free_rx_irq: + free_irq(lp->cfg.rx_irq, lp); + +out_err: + spin_unlock_irqrestore(&lp->lock, flags); + + return err; +} +EXPORT_SYMBOL(ldc_bind); + +int ldc_connect(struct ldc_channel *lp) +{ + unsigned long flags; + int err; + + if (lp->cfg.mode == LDC_MODE_RAW) + return -EINVAL; + + spin_lock_irqsave(&lp->lock, flags); + + if (!(lp->flags & LDC_FLAG_ALLOCED_QUEUES) || + !(lp->flags & LDC_FLAG_REGISTERED_QUEUES) || + lp->hs_state != LDC_HS_OPEN) + err = -EINVAL; + else + err = start_handshake(lp); + + spin_unlock_irqrestore(&lp->lock, flags); + + return err; +} +EXPORT_SYMBOL(ldc_connect); + +int ldc_disconnect(struct ldc_channel *lp) +{ + unsigned long hv_err, flags; + int err; + + if (lp->cfg.mode == LDC_MODE_RAW) + return -EINVAL; + + if (!(lp->flags & LDC_FLAG_ALLOCED_QUEUES) || + !(lp->flags & LDC_FLAG_REGISTERED_QUEUES)) + return -EINVAL; + + spin_lock_irqsave(&lp->lock, flags); + + err = -ENODEV; + hv_err = sun4v_ldc_tx_qconf(lp->id, 0, 0); + if (hv_err) + goto out_err; + + hv_err = sun4v_ldc_tx_qconf(lp->id, lp->tx_ra, lp->tx_num_entries); + if (hv_err) + goto out_err; + + hv_err = sun4v_ldc_rx_qconf(lp->id, 0, 0); + if (hv_err) + goto out_err; + + hv_err = sun4v_ldc_rx_qconf(lp->id, lp->rx_ra, lp->rx_num_entries); + if (hv_err) + goto out_err; + + ldc_set_state(lp, LDC_STATE_BOUND); + lp->hs_state = LDC_HS_OPEN; + lp->flags |= LDC_FLAG_RESET; + + spin_unlock_irqrestore(&lp->lock, flags); + + return 0; + +out_err: + sun4v_ldc_tx_qconf(lp->id, 0, 0); + sun4v_ldc_rx_qconf(lp->id, 0, 0); + free_irq(lp->cfg.tx_irq, lp); + free_irq(lp->cfg.rx_irq, lp); + lp->flags &= ~(LDC_FLAG_REGISTERED_IRQS | + LDC_FLAG_REGISTERED_QUEUES); + ldc_set_state(lp, LDC_STATE_INIT); + + spin_unlock_irqrestore(&lp->lock, flags); + + return err; +} +EXPORT_SYMBOL(ldc_disconnect); + +int ldc_state(struct ldc_channel *lp) +{ + return lp->state; +} +EXPORT_SYMBOL(ldc_state); + +static int write_raw(struct ldc_channel *lp, const void *buf, unsigned int size) +{ + struct ldc_packet *p; + unsigned long new_tail; + int err; + + if (size > LDC_PACKET_SIZE) + return -EMSGSIZE; + + p = data_get_tx_packet(lp, &new_tail); + if (!p) + return -EAGAIN; + + memcpy(p, buf, size); + + err = send_tx_packet(lp, p, new_tail); + if (!err) + err = size; + + return err; +} + +static int read_raw(struct ldc_channel *lp, void *buf, unsigned int size) +{ + struct ldc_packet *p; + unsigned long hv_err, new; + int err; + + if (size < LDC_PACKET_SIZE) + return -EINVAL; + + hv_err = sun4v_ldc_rx_get_state(lp->id, + &lp->rx_head, + &lp->rx_tail, + &lp->chan_state); + if (hv_err) + return ldc_abort(lp); + + if (lp->chan_state == LDC_CHANNEL_DOWN || + lp->chan_state == LDC_CHANNEL_RESETTING) + return -ECONNRESET; + + if (lp->rx_head == lp->rx_tail) + return 0; + + p = lp->rx_base + (lp->rx_head / LDC_PACKET_SIZE); + memcpy(buf, p, LDC_PACKET_SIZE); + + new = rx_advance(lp, lp->rx_head); + lp->rx_head = new; + + err = __set_rx_head(lp, new); + if (err < 0) + err = -ECONNRESET; + else + err = LDC_PACKET_SIZE; + + return err; +} + +static const struct ldc_mode_ops raw_ops = { + .write = write_raw, + .read = read_raw, +}; + +static int write_nonraw(struct ldc_channel *lp, const void *buf, + unsigned int size) +{ + unsigned long hv_err, tail; + unsigned int copied; + u32 seq; + int err; + + hv_err = sun4v_ldc_tx_get_state(lp->id, &lp->tx_head, &lp->tx_tail, + &lp->chan_state); + if (unlikely(hv_err)) + return -EBUSY; + + if (unlikely(lp->chan_state != LDC_CHANNEL_UP)) + return ldc_abort(lp); + + if (!tx_has_space_for(lp, size)) + return -EAGAIN; + + seq = lp->snd_nxt; + copied = 0; + tail = lp->tx_tail; + while (copied < size) { + struct ldc_packet *p = lp->tx_base + (tail / LDC_PACKET_SIZE); + u8 *data = ((lp->cfg.mode == LDC_MODE_UNRELIABLE) ? + p->u.u_data : + p->u.r.r_data); + int data_len; + + p->type = LDC_DATA; + p->stype = LDC_INFO; + p->ctrl = 0; + + data_len = size - copied; + if (data_len > lp->mss) + data_len = lp->mss; + + BUG_ON(data_len > LDC_LEN); + + p->env = (data_len | + (copied == 0 ? LDC_START : 0) | + (data_len == size - copied ? LDC_STOP : 0)); + + p->seqid = ++seq; + + ldcdbg(DATA, "SENT DATA [%02x:%02x:%02x:%02x:%08x]\n", + p->type, + p->stype, + p->ctrl, + p->env, + p->seqid); + + memcpy(data, buf, data_len); + buf += data_len; + copied += data_len; + + tail = tx_advance(lp, tail); + } + + err = set_tx_tail(lp, tail); + if (!err) { + lp->snd_nxt = seq; + err = size; + } + + return err; +} + +static int rx_bad_seq(struct ldc_channel *lp, struct ldc_packet *p, + struct ldc_packet *first_frag) +{ + int err; + + if (first_frag) + lp->rcv_nxt = first_frag->seqid - 1; + + err = send_data_nack(lp, p); + if (err) + return err; + + err = __set_rx_head(lp, lp->rx_tail); + if (err < 0) + return ldc_abort(lp); + + return 0; +} + +static int data_ack_nack(struct ldc_channel *lp, struct ldc_packet *p) +{ + if (p->stype & LDC_ACK) { + int err = process_data_ack(lp, p); + if (err) + return err; + } + if (p->stype & LDC_NACK) + return ldc_abort(lp); + + return 0; +} + +static int rx_data_wait(struct ldc_channel *lp, unsigned long cur_head) +{ + unsigned long dummy; + int limit = 1000; + + ldcdbg(DATA, "DATA WAIT cur_head[%lx] rx_head[%lx] rx_tail[%lx]\n", + cur_head, lp->rx_head, lp->rx_tail); + while (limit-- > 0) { + unsigned long hv_err; + + hv_err = sun4v_ldc_rx_get_state(lp->id, + &dummy, + &lp->rx_tail, + &lp->chan_state); + if (hv_err) + return ldc_abort(lp); + + if (lp->chan_state == LDC_CHANNEL_DOWN || + lp->chan_state == LDC_CHANNEL_RESETTING) + return -ECONNRESET; + + if (cur_head != lp->rx_tail) { + ldcdbg(DATA, "DATA WAIT DONE " + "head[%lx] tail[%lx] chan_state[%lx]\n", + dummy, lp->rx_tail, lp->chan_state); + return 0; + } + + udelay(1); + } + return -EAGAIN; +} + +static int rx_set_head(struct ldc_channel *lp, unsigned long head) +{ + int err = __set_rx_head(lp, head); + + if (err < 0) + return ldc_abort(lp); + + lp->rx_head = head; + return 0; +} + +static void send_data_ack(struct ldc_channel *lp) +{ + unsigned long new_tail; + struct ldc_packet *p; + + p = data_get_tx_packet(lp, &new_tail); + if (likely(p)) { + int err; + + memset(p, 0, sizeof(*p)); + p->type = LDC_DATA; + p->stype = LDC_ACK; + p->ctrl = 0; + p->seqid = lp->snd_nxt + 1; + p->u.r.ackid = lp->rcv_nxt; + + err = send_tx_packet(lp, p, new_tail); + if (!err) + lp->snd_nxt++; + } +} + +static int read_nonraw(struct ldc_channel *lp, void *buf, unsigned int size) +{ + struct ldc_packet *first_frag; + unsigned long hv_err, new; + int err, copied; + + hv_err = sun4v_ldc_rx_get_state(lp->id, + &lp->rx_head, + &lp->rx_tail, + &lp->chan_state); + if (hv_err) + return ldc_abort(lp); + + if (lp->chan_state == LDC_CHANNEL_DOWN || + lp->chan_state == LDC_CHANNEL_RESETTING) + return -ECONNRESET; + + if (lp->rx_head == lp->rx_tail) + return 0; + + first_frag = NULL; + copied = err = 0; + new = lp->rx_head; + while (1) { + struct ldc_packet *p; + int pkt_len; + + BUG_ON(new == lp->rx_tail); + p = lp->rx_base + (new / LDC_PACKET_SIZE); + + ldcdbg(RX, "RX read pkt[%02x:%02x:%02x:%02x:%08x:%08x] " + "rcv_nxt[%08x]\n", + p->type, + p->stype, + p->ctrl, + p->env, + p->seqid, + p->u.r.ackid, + lp->rcv_nxt); + + if (unlikely(!rx_seq_ok(lp, p->seqid))) { + err = rx_bad_seq(lp, p, first_frag); + copied = 0; + break; + } + + if (p->type & LDC_CTRL) { + err = process_control_frame(lp, p); + if (err < 0) + break; + err = 0; + } + + lp->rcv_nxt = p->seqid; + + if (!(p->type & LDC_DATA)) { + new = rx_advance(lp, new); + goto no_data; + } + if (p->stype & (LDC_ACK | LDC_NACK)) { + err = data_ack_nack(lp, p); + if (err) + break; + } + if (!(p->stype & LDC_INFO)) { + new = rx_advance(lp, new); + err = rx_set_head(lp, new); + if (err) + break; + goto no_data; + } + + pkt_len = p->env & LDC_LEN; + + /* Every initial packet starts with the START bit set. + * + * Singleton packets will have both START+STOP set. + * + * Fragments will have START set in the first frame, STOP + * set in the last frame, and neither bit set in middle + * frames of the packet. + * + * Therefore if we are at the beginning of a packet and + * we don't see START, or we are in the middle of a fragmented + * packet and do see START, we are unsynchronized and should + * flush the RX queue. + */ + if ((first_frag == NULL && !(p->env & LDC_START)) || + (first_frag != NULL && (p->env & LDC_START))) { + if (!first_frag) + new = rx_advance(lp, new); + + err = rx_set_head(lp, new); + if (err) + break; + + if (!first_frag) + goto no_data; + } + if (!first_frag) + first_frag = p; + + if (pkt_len > size - copied) { + /* User didn't give us a big enough buffer, + * what to do? This is a pretty serious error. + * + * Since we haven't updated the RX ring head to + * consume any of the packets, signal the error + * to the user and just leave the RX ring alone. + * + * This seems the best behavior because this allows + * a user of the LDC layer to start with a small + * RX buffer for ldc_read() calls and use -EMSGSIZE + * as a cue to enlarge it's read buffer. + */ + err = -EMSGSIZE; + break; + } + + /* Ok, we are gonna eat this one. */ + new = rx_advance(lp, new); + + memcpy(buf, + (lp->cfg.mode == LDC_MODE_UNRELIABLE ? + p->u.u_data : p->u.r.r_data), pkt_len); + buf += pkt_len; + copied += pkt_len; + + if (p->env & LDC_STOP) + break; + +no_data: + if (new == lp->rx_tail) { + err = rx_data_wait(lp, new); + if (err) + break; + } + } + + if (!err) + err = rx_set_head(lp, new); + + if (err && first_frag) + lp->rcv_nxt = first_frag->seqid - 1; + + if (!err) { + err = copied; + if (err > 0 && lp->cfg.mode != LDC_MODE_UNRELIABLE) + send_data_ack(lp); + } + + return err; +} + +static const struct ldc_mode_ops nonraw_ops = { + .write = write_nonraw, + .read = read_nonraw, +}; + +static int write_stream(struct ldc_channel *lp, const void *buf, + unsigned int size) +{ + if (size > lp->cfg.mtu) + size = lp->cfg.mtu; + return write_nonraw(lp, buf, size); +} + +static int read_stream(struct ldc_channel *lp, void *buf, unsigned int size) +{ + if (!lp->mssbuf_len) { + int err = read_nonraw(lp, lp->mssbuf, lp->cfg.mtu); + if (err < 0) + return err; + + lp->mssbuf_len = err; + lp->mssbuf_off = 0; + } + + if (size > lp->mssbuf_len) + size = lp->mssbuf_len; + memcpy(buf, lp->mssbuf + lp->mssbuf_off, size); + + lp->mssbuf_off += size; + lp->mssbuf_len -= size; + + return size; +} + +static const struct ldc_mode_ops stream_ops = { + .write = write_stream, + .read = read_stream, +}; + +int ldc_write(struct ldc_channel *lp, const void *buf, unsigned int size) +{ + unsigned long flags; + int err; + + if (!buf) + return -EINVAL; + + if (!size) + return 0; + + spin_lock_irqsave(&lp->lock, flags); + + if (lp->hs_state != LDC_HS_COMPLETE) + err = -ENOTCONN; + else + err = lp->mops->write(lp, buf, size); + + spin_unlock_irqrestore(&lp->lock, flags); + + return err; +} +EXPORT_SYMBOL(ldc_write); + +int ldc_read(struct ldc_channel *lp, void *buf, unsigned int size) +{ + unsigned long flags; + int err; + + if (!buf) + return -EINVAL; + + if (!size) + return 0; + + spin_lock_irqsave(&lp->lock, flags); + + if (lp->hs_state != LDC_HS_COMPLETE) + err = -ENOTCONN; + else + err = lp->mops->read(lp, buf, size); + + spin_unlock_irqrestore(&lp->lock, flags); + + return err; +} +EXPORT_SYMBOL(ldc_read); + +static long arena_alloc(struct ldc_iommu *iommu, unsigned long npages) +{ + struct iommu_arena *arena = &iommu->arena; + unsigned long n, i, start, end, limit; + int pass; + + limit = arena->limit; + start = arena->hint; + pass = 0; + +again: + n = find_next_zero_bit(arena->map, limit, start); + end = n + npages; + if (unlikely(end >= limit)) { + if (likely(pass < 1)) { + limit = start; + start = 0; + pass++; + goto again; + } else { + /* Scanned the whole thing, give up. */ + return -1; + } + } + + for (i = n; i < end; i++) { + if (test_bit(i, arena->map)) { + start = i + 1; + goto again; + } + } + + for (i = n; i < end; i++) + __set_bit(i, arena->map); + + arena->hint = end; + + return n; +} + +#define COOKIE_PGSZ_CODE 0xf000000000000000ULL +#define COOKIE_PGSZ_CODE_SHIFT 60ULL + +static u64 pagesize_code(void) +{ + switch (PAGE_SIZE) { + default: + case (8ULL * 1024ULL): + return 0; + case (64ULL * 1024ULL): + return 1; + case (512ULL * 1024ULL): + return 2; + case (4ULL * 1024ULL * 1024ULL): + return 3; + case (32ULL * 1024ULL * 1024ULL): + return 4; + case (256ULL * 1024ULL * 1024ULL): + return 5; + } +} + +static u64 make_cookie(u64 index, u64 pgsz_code, u64 page_offset) +{ + return ((pgsz_code << COOKIE_PGSZ_CODE_SHIFT) | + (index << PAGE_SHIFT) | + page_offset); +} + +static u64 cookie_to_index(u64 cookie, unsigned long *shift) +{ + u64 szcode = cookie >> COOKIE_PGSZ_CODE_SHIFT; + + cookie &= ~COOKIE_PGSZ_CODE; + + *shift = szcode * 3; + + return (cookie >> (13ULL + (szcode * 3ULL))); +} + +static struct ldc_mtable_entry *alloc_npages(struct ldc_iommu *iommu, + unsigned long npages) +{ + long entry; + + entry = arena_alloc(iommu, npages); + if (unlikely(entry < 0)) + return NULL; + + return iommu->page_table + entry; +} + +static u64 perm_to_mte(unsigned int map_perm) +{ + u64 mte_base; + + mte_base = pagesize_code(); + + if (map_perm & LDC_MAP_SHADOW) { + if (map_perm & LDC_MAP_R) + mte_base |= LDC_MTE_COPY_R; + if (map_perm & LDC_MAP_W) + mte_base |= LDC_MTE_COPY_W; + } + if (map_perm & LDC_MAP_DIRECT) { + if (map_perm & LDC_MAP_R) + mte_base |= LDC_MTE_READ; + if (map_perm & LDC_MAP_W) + mte_base |= LDC_MTE_WRITE; + if (map_perm & LDC_MAP_X) + mte_base |= LDC_MTE_EXEC; + } + if (map_perm & LDC_MAP_IO) { + if (map_perm & LDC_MAP_R) + mte_base |= LDC_MTE_IOMMU_R; + if (map_perm & LDC_MAP_W) + mte_base |= LDC_MTE_IOMMU_W; + } + + return mte_base; +} + +static int pages_in_region(unsigned long base, long len) +{ + int count = 0; + + do { + unsigned long new = (base + PAGE_SIZE) & PAGE_MASK; + + len -= (new - base); + base = new; + count++; + } while (len > 0); + + return count; +} + +struct cookie_state { + struct ldc_mtable_entry *page_table; + struct ldc_trans_cookie *cookies; + u64 mte_base; + u64 prev_cookie; + u32 pte_idx; + u32 nc; +}; + +static void fill_cookies(struct cookie_state *sp, unsigned long pa, + unsigned long off, unsigned long len) +{ + do { + unsigned long tlen, new = pa + PAGE_SIZE; + u64 this_cookie; + + sp->page_table[sp->pte_idx].mte = sp->mte_base | pa; + + tlen = PAGE_SIZE; + if (off) + tlen = PAGE_SIZE - off; + if (tlen > len) + tlen = len; + + this_cookie = make_cookie(sp->pte_idx, + pagesize_code(), off); + + off = 0; + + if (this_cookie == sp->prev_cookie) { + sp->cookies[sp->nc - 1].cookie_size += tlen; + } else { + sp->cookies[sp->nc].cookie_addr = this_cookie; + sp->cookies[sp->nc].cookie_size = tlen; + sp->nc++; + } + sp->prev_cookie = this_cookie + tlen; + + sp->pte_idx++; + + len -= tlen; + pa = new; + } while (len > 0); +} + +static int sg_count_one(struct scatterlist *sg) +{ + unsigned long base = page_to_pfn(sg->page) << PAGE_SHIFT; + long len = sg->length; + + if ((sg->offset | len) & (8UL - 1)) + return -EFAULT; + + return pages_in_region(base + sg->offset, len); +} + +static int sg_count_pages(struct scatterlist *sg, int num_sg) +{ + int count; + int i; + + count = 0; + for (i = 0; i < num_sg; i++) { + int err = sg_count_one(sg + i); + if (err < 0) + return err; + count += err; + } + + return count; +} + +int ldc_map_sg(struct ldc_channel *lp, + struct scatterlist *sg, int num_sg, + struct ldc_trans_cookie *cookies, int ncookies, + unsigned int map_perm) +{ + unsigned long i, npages, flags; + struct ldc_mtable_entry *base; + struct cookie_state state; + struct ldc_iommu *iommu; + int err; + + if (map_perm & ~LDC_MAP_ALL) + return -EINVAL; + + err = sg_count_pages(sg, num_sg); + if (err < 0) + return err; + + npages = err; + if (err > ncookies) + return -EMSGSIZE; + + iommu = &lp->iommu; + + spin_lock_irqsave(&iommu->lock, flags); + base = alloc_npages(iommu, npages); + spin_unlock_irqrestore(&iommu->lock, flags); + + if (!base) + return -ENOMEM; + + state.page_table = iommu->page_table; + state.cookies = cookies; + state.mte_base = perm_to_mte(map_perm); + state.prev_cookie = ~(u64)0; + state.pte_idx = (base - iommu->page_table); + state.nc = 0; + + for (i = 0; i < num_sg; i++) + fill_cookies(&state, page_to_pfn(sg[i].page) << PAGE_SHIFT, + sg[i].offset, sg[i].length); + + return state.nc; +} +EXPORT_SYMBOL(ldc_map_sg); + +int ldc_map_single(struct ldc_channel *lp, + void *buf, unsigned int len, + struct ldc_trans_cookie *cookies, int ncookies, + unsigned int map_perm) +{ + unsigned long npages, pa, flags; + struct ldc_mtable_entry *base; + struct cookie_state state; + struct ldc_iommu *iommu; + + if ((map_perm & ~LDC_MAP_ALL) || (ncookies < 1)) + return -EINVAL; + + pa = __pa(buf); + if ((pa | len) & (8UL - 1)) + return -EFAULT; + + npages = pages_in_region(pa, len); + + iommu = &lp->iommu; + + spin_lock_irqsave(&iommu->lock, flags); + base = alloc_npages(iommu, npages); + spin_unlock_irqrestore(&iommu->lock, flags); + + if (!base) + return -ENOMEM; + + state.page_table = iommu->page_table; + state.cookies = cookies; + state.mte_base = perm_to_mte(map_perm); + state.prev_cookie = ~(u64)0; + state.pte_idx = (base - iommu->page_table); + state.nc = 0; + fill_cookies(&state, (pa & PAGE_MASK), (pa & ~PAGE_MASK), len); + BUG_ON(state.nc != 1); + + return state.nc; +} +EXPORT_SYMBOL(ldc_map_single); + +static void free_npages(unsigned long id, struct ldc_iommu *iommu, + u64 cookie, u64 size) +{ + struct iommu_arena *arena = &iommu->arena; + unsigned long i, shift, index, npages; + struct ldc_mtable_entry *base; + + npages = PAGE_ALIGN(((cookie & ~PAGE_MASK) + size)) >> PAGE_SHIFT; + index = cookie_to_index(cookie, &shift); + base = iommu->page_table + index; + + BUG_ON(index > arena->limit || + (index + npages) > arena->limit); + + for (i = 0; i < npages; i++) { + if (base->cookie) + sun4v_ldc_revoke(id, cookie + (i << shift), + base->cookie); + base->mte = 0; + __clear_bit(index + i, arena->map); + } +} + +void ldc_unmap(struct ldc_channel *lp, struct ldc_trans_cookie *cookies, + int ncookies) +{ + struct ldc_iommu *iommu = &lp->iommu; + unsigned long flags; + int i; + + spin_lock_irqsave(&iommu->lock, flags); + for (i = 0; i < ncookies; i++) { + u64 addr = cookies[i].cookie_addr; + u64 size = cookies[i].cookie_size; + + free_npages(lp->id, iommu, addr, size); + } + spin_unlock_irqrestore(&iommu->lock, flags); +} +EXPORT_SYMBOL(ldc_unmap); + +int ldc_copy(struct ldc_channel *lp, int copy_dir, + void *buf, unsigned int len, unsigned long offset, + struct ldc_trans_cookie *cookies, int ncookies) +{ + unsigned int orig_len; + unsigned long ra; + int i; + + if (copy_dir != LDC_COPY_IN && copy_dir != LDC_COPY_OUT) { + printk(KERN_ERR PFX "ldc_copy: ID[%lu] Bad copy_dir[%d]\n", + lp->id, copy_dir); + return -EINVAL; + } + + ra = __pa(buf); + if ((ra | len | offset) & (8UL - 1)) { + printk(KERN_ERR PFX "ldc_copy: ID[%lu] Unaligned buffer " + "ra[%lx] len[%x] offset[%lx]\n", + lp->id, ra, len, offset); + return -EFAULT; + } + + if (lp->hs_state != LDC_HS_COMPLETE || + (lp->flags & LDC_FLAG_RESET)) { + printk(KERN_ERR PFX "ldc_copy: ID[%lu] Link down hs_state[%x] " + "flags[%x]\n", lp->id, lp->hs_state, lp->flags); + return -ECONNRESET; + } + + orig_len = len; + for (i = 0; i < ncookies; i++) { + unsigned long cookie_raddr = cookies[i].cookie_addr; + unsigned long this_len = cookies[i].cookie_size; + unsigned long actual_len; + + if (unlikely(offset)) { + unsigned long this_off = offset; + + if (this_off > this_len) + this_off = this_len; + + offset -= this_off; + this_len -= this_off; + if (!this_len) + continue; + cookie_raddr += this_off; + } + + if (this_len > len) + this_len = len; + + while (1) { + unsigned long hv_err; + + hv_err = sun4v_ldc_copy(lp->id, copy_dir, + cookie_raddr, ra, + this_len, &actual_len); + if (unlikely(hv_err)) { + printk(KERN_ERR PFX "ldc_copy: ID[%lu] " + "HV error %lu\n", + lp->id, hv_err); + if (lp->hs_state != LDC_HS_COMPLETE || + (lp->flags & LDC_FLAG_RESET)) + return -ECONNRESET; + else + return -EFAULT; + } + + cookie_raddr += actual_len; + ra += actual_len; + len -= actual_len; + if (actual_len == this_len) + break; + + this_len -= actual_len; + } + + if (!len) + break; + } + + /* It is caller policy what to do about short copies. + * For example, a networking driver can declare the + * packet a runt and drop it. + */ + + return orig_len - len; +} +EXPORT_SYMBOL(ldc_copy); + +void *ldc_alloc_exp_dring(struct ldc_channel *lp, unsigned int len, + struct ldc_trans_cookie *cookies, int *ncookies, + unsigned int map_perm) +{ + void *buf; + int err; + + if (len & (8UL - 1)) + return ERR_PTR(-EINVAL); + + buf = kzalloc(len, GFP_KERNEL); + if (!buf) + return ERR_PTR(-ENOMEM); + + err = ldc_map_single(lp, buf, len, cookies, *ncookies, map_perm); + if (err < 0) { + kfree(buf); + return ERR_PTR(err); + } + *ncookies = err; + + return buf; +} +EXPORT_SYMBOL(ldc_alloc_exp_dring); + +void ldc_free_exp_dring(struct ldc_channel *lp, void *buf, unsigned int len, + struct ldc_trans_cookie *cookies, int ncookies) +{ + ldc_unmap(lp, cookies, ncookies); + kfree(buf); +} +EXPORT_SYMBOL(ldc_free_exp_dring); + +static int __init ldc_init(void) +{ + unsigned long major, minor; + struct mdesc_handle *hp; + const u64 *v; + u64 mp; + + hp = mdesc_grab(); + if (!hp) + return -ENODEV; + + mp = mdesc_node_by_name(hp, MDESC_NODE_NULL, "platform"); + if (mp == MDESC_NODE_NULL) + return -ENODEV; + + v = mdesc_get_property(hp, mp, "domaining-enabled", NULL); + if (!v) + return -ENODEV; + + major = 1; + minor = 0; + if (sun4v_hvapi_register(HV_GRP_LDOM, major, &minor)) { + printk(KERN_INFO PFX "Could not register LDOM hvapi.\n"); + return -ENODEV; + } + + printk(KERN_INFO "%s", version); + + if (!*v) { + printk(KERN_INFO PFX "Domaining disabled.\n"); + return -ENODEV; + } + ldom_domaining_enabled = 1; + + return 0; +} + +core_initcall(ldc_init); diff --git a/arch/sparc64/kernel/mdesc.c b/arch/sparc64/kernel/mdesc.c index f0e16045..de5310f 100644 --- a/arch/sparc64/kernel/mdesc.c +++ b/arch/sparc64/kernel/mdesc.c @@ -6,6 +6,9 @@ #include <linux/types.h> #include <linux/bootmem.h> #include <linux/log2.h> +#include <linux/list.h> +#include <linux/slab.h> +#include <linux/mm.h> #include <asm/hypervisor.h> #include <asm/mdesc.h> @@ -29,7 +32,7 @@ struct mdesc_hdr { u32 node_sz; /* node block size */ u32 name_sz; /* name block size */ u32 data_sz; /* data block size */ -}; +} __attribute__((aligned(16))); struct mdesc_elem { u8 tag; @@ -53,306 +56,396 @@ struct mdesc_elem { } d; }; -static struct mdesc_hdr *main_mdesc; -static struct mdesc_node *allnodes; - -static struct mdesc_node *allnodes_tail; -static unsigned int unique_id; +struct mdesc_mem_ops { + struct mdesc_handle *(*alloc)(unsigned int mdesc_size); + void (*free)(struct mdesc_handle *handle); +}; -static struct mdesc_node **mdesc_hash; -static unsigned int mdesc_hash_size; +struct mdesc_handle { + struct list_head list; + struct mdesc_mem_ops *mops; + void *self_base; + atomic_t refcnt; + unsigned int handle_size; + struct mdesc_hdr mdesc; +}; -static inline unsigned int node_hashfn(u64 node) +static void mdesc_handle_init(struct mdesc_handle *hp, + unsigned int handle_size, + void *base) { - return ((unsigned int) (node ^ (node >> 8) ^ (node >> 16))) - & (mdesc_hash_size - 1); + BUG_ON(((unsigned long)&hp->mdesc) & (16UL - 1)); + + memset(hp, 0, handle_size); + INIT_LIST_HEAD(&hp->list); + hp->self_base = base; + atomic_set(&hp->refcnt, 1); + hp->handle_size = handle_size; } -static inline void hash_node(struct mdesc_node *mp) +static struct mdesc_handle *mdesc_bootmem_alloc(unsigned int mdesc_size) { - struct mdesc_node **head = &mdesc_hash[node_hashfn(mp->node)]; + struct mdesc_handle *hp; + unsigned int handle_size, alloc_size; - mp->hash_next = *head; - *head = mp; + handle_size = (sizeof(struct mdesc_handle) - + sizeof(struct mdesc_hdr) + + mdesc_size); + alloc_size = PAGE_ALIGN(handle_size); - if (allnodes_tail) { - allnodes_tail->allnodes_next = mp; - allnodes_tail = mp; - } else { - allnodes = allnodes_tail = mp; - } + hp = __alloc_bootmem(alloc_size, PAGE_SIZE, 0UL); + if (hp) + mdesc_handle_init(hp, handle_size, hp); + + return hp; } -static struct mdesc_node *find_node(u64 node) +static void mdesc_bootmem_free(struct mdesc_handle *hp) { - struct mdesc_node *mp = mdesc_hash[node_hashfn(node)]; + unsigned int alloc_size, handle_size = hp->handle_size; + unsigned long start, end; - while (mp) { - if (mp->node == node) - return mp; + BUG_ON(atomic_read(&hp->refcnt) != 0); + BUG_ON(!list_empty(&hp->list)); - mp = mp->hash_next; + alloc_size = PAGE_ALIGN(handle_size); + + start = (unsigned long) hp; + end = start + alloc_size; + + while (start < end) { + struct page *p; + + p = virt_to_page(start); + ClearPageReserved(p); + __free_page(p); + start += PAGE_SIZE; } - return NULL; } -struct property *md_find_property(const struct mdesc_node *mp, - const char *name, - int *lenp) +static struct mdesc_mem_ops bootmem_mdesc_memops = { + .alloc = mdesc_bootmem_alloc, + .free = mdesc_bootmem_free, +}; + +static struct mdesc_handle *mdesc_kmalloc(unsigned int mdesc_size) { - struct property *pp; + unsigned int handle_size; + void *base; - for (pp = mp->properties; pp != 0; pp = pp->next) { - if (strcasecmp(pp->name, name) == 0) { - if (lenp) - *lenp = pp->length; - break; - } + handle_size = (sizeof(struct mdesc_handle) - + sizeof(struct mdesc_hdr) + + mdesc_size); + + base = kmalloc(handle_size + 15, GFP_KERNEL); + if (base) { + struct mdesc_handle *hp; + unsigned long addr; + + addr = (unsigned long)base; + addr = (addr + 15UL) & ~15UL; + hp = (struct mdesc_handle *) addr; + + mdesc_handle_init(hp, handle_size, base); + return hp; } - return pp; + + return NULL; } -EXPORT_SYMBOL(md_find_property); -/* - * Find a property with a given name for a given node - * and return the value. - */ -const void *md_get_property(const struct mdesc_node *mp, const char *name, - int *lenp) +static void mdesc_kfree(struct mdesc_handle *hp) { - struct property *pp = md_find_property(mp, name, lenp); - return pp ? pp->value : NULL; + BUG_ON(atomic_read(&hp->refcnt) != 0); + BUG_ON(!list_empty(&hp->list)); + + kfree(hp->self_base); } -EXPORT_SYMBOL(md_get_property); -struct mdesc_node *md_find_node_by_name(struct mdesc_node *from, - const char *name) +static struct mdesc_mem_ops kmalloc_mdesc_memops = { + .alloc = mdesc_kmalloc, + .free = mdesc_kfree, +}; + +static struct mdesc_handle *mdesc_alloc(unsigned int mdesc_size, + struct mdesc_mem_ops *mops) { - struct mdesc_node *mp; + struct mdesc_handle *hp = mops->alloc(mdesc_size); - mp = from ? from->allnodes_next : allnodes; - for (; mp != NULL; mp = mp->allnodes_next) { - if (strcmp(mp->name, name) == 0) - break; - } - return mp; -} -EXPORT_SYMBOL(md_find_node_by_name); + if (hp) + hp->mops = mops; -static unsigned int mdesc_early_allocated; + return hp; +} -static void * __init mdesc_early_alloc(unsigned long size) +static void mdesc_free(struct mdesc_handle *hp) { - void *ret; + hp->mops->free(hp); +} - ret = __alloc_bootmem(size, SMP_CACHE_BYTES, 0UL); - if (ret == NULL) { - prom_printf("MDESC: alloc of %lu bytes failed.\n", size); - prom_halt(); - } +static struct mdesc_handle *cur_mdesc; +static LIST_HEAD(mdesc_zombie_list); +static DEFINE_SPINLOCK(mdesc_lock); - memset(ret, 0, size); +struct mdesc_handle *mdesc_grab(void) +{ + struct mdesc_handle *hp; + unsigned long flags; - mdesc_early_allocated += size; + spin_lock_irqsave(&mdesc_lock, flags); + hp = cur_mdesc; + if (hp) + atomic_inc(&hp->refcnt); + spin_unlock_irqrestore(&mdesc_lock, flags); - return ret; + return hp; } +EXPORT_SYMBOL(mdesc_grab); -static unsigned int __init count_arcs(struct mdesc_elem *ep) +void mdesc_release(struct mdesc_handle *hp) { - unsigned int ret = 0; + unsigned long flags; - ep++; - while (ep->tag != MD_NODE_END) { - if (ep->tag == MD_PROP_ARC) - ret++; - ep++; + spin_lock_irqsave(&mdesc_lock, flags); + if (atomic_dec_and_test(&hp->refcnt)) { + list_del_init(&hp->list); + hp->mops->free(hp); } - return ret; + spin_unlock_irqrestore(&mdesc_lock, flags); } +EXPORT_SYMBOL(mdesc_release); -static void __init mdesc_node_alloc(u64 node, struct mdesc_elem *ep, const char *names) +void mdesc_update(void) { - unsigned int num_arcs = count_arcs(ep); - struct mdesc_node *mp; + unsigned long len, real_len, status; + struct mdesc_handle *hp, *orig_hp; + unsigned long flags; + + (void) sun4v_mach_desc(0UL, 0UL, &len); + + hp = mdesc_alloc(len, &kmalloc_mdesc_memops); + if (!hp) { + printk(KERN_ERR "MD: mdesc alloc fails\n"); + return; + } + + status = sun4v_mach_desc(__pa(&hp->mdesc), len, &real_len); + if (status != HV_EOK || real_len > len) { + printk(KERN_ERR "MD: mdesc reread fails with %lu\n", + status); + atomic_dec(&hp->refcnt); + mdesc_free(hp); + return; + } - mp = mdesc_early_alloc(sizeof(*mp) + - (num_arcs * sizeof(struct mdesc_arc))); - mp->name = names + ep->name_offset; - mp->node = node; - mp->unique_id = unique_id++; - mp->num_arcs = num_arcs; + spin_lock_irqsave(&mdesc_lock, flags); + orig_hp = cur_mdesc; + cur_mdesc = hp; - hash_node(mp); + if (atomic_dec_and_test(&orig_hp->refcnt)) + mdesc_free(orig_hp); + else + list_add(&orig_hp->list, &mdesc_zombie_list); + spin_unlock_irqrestore(&mdesc_lock, flags); } -static inline struct mdesc_elem *node_block(struct mdesc_hdr *mdesc) +static struct mdesc_elem *node_block(struct mdesc_hdr *mdesc) { return (struct mdesc_elem *) (mdesc + 1); } -static inline void *name_block(struct mdesc_hdr *mdesc) +static void *name_block(struct mdesc_hdr *mdesc) { return ((void *) node_block(mdesc)) + mdesc->node_sz; } -static inline void *data_block(struct mdesc_hdr *mdesc) +static void *data_block(struct mdesc_hdr *mdesc) { return ((void *) name_block(mdesc)) + mdesc->name_sz; } -/* In order to avoid recursion (the graph can be very deep) we use a - * two pass algorithm. First we allocate all the nodes and hash them. - * Then we iterate over each node, filling in the arcs and properties. - */ -static void __init build_all_nodes(struct mdesc_hdr *mdesc) +u64 mdesc_node_by_name(struct mdesc_handle *hp, + u64 from_node, const char *name) { - struct mdesc_elem *start, *ep; - struct mdesc_node *mp; - const char *names; - void *data; - u64 last_node; + struct mdesc_elem *ep = node_block(&hp->mdesc); + const char *names = name_block(&hp->mdesc); + u64 last_node = hp->mdesc.node_sz / 16; + u64 ret; + + if (from_node == MDESC_NODE_NULL) { + ret = from_node = 0; + } else if (from_node >= last_node) { + return MDESC_NODE_NULL; + } else { + ret = ep[from_node].d.val; + } - start = ep = node_block(mdesc); - last_node = mdesc->node_sz / 16; + while (ret < last_node) { + if (ep[ret].tag != MD_NODE) + return MDESC_NODE_NULL; + if (!strcmp(names + ep[ret].name_offset, name)) + break; + ret = ep[ret].d.val; + } + if (ret >= last_node) + ret = MDESC_NODE_NULL; + return ret; +} +EXPORT_SYMBOL(mdesc_node_by_name); - names = name_block(mdesc); +const void *mdesc_get_property(struct mdesc_handle *hp, u64 node, + const char *name, int *lenp) +{ + const char *names = name_block(&hp->mdesc); + u64 last_node = hp->mdesc.node_sz / 16; + void *data = data_block(&hp->mdesc); + struct mdesc_elem *ep; - while (1) { - u64 node = ep - start; + if (node == MDESC_NODE_NULL || node >= last_node) + return NULL; - if (ep->tag == MD_LIST_END) + ep = node_block(&hp->mdesc) + node; + ep++; + for (; ep->tag != MD_NODE_END; ep++) { + void *val = NULL; + int len = 0; + + switch (ep->tag) { + case MD_PROP_VAL: + val = &ep->d.val; + len = 8; break; - if (ep->tag != MD_NODE) { - prom_printf("MDESC: Inconsistent element list.\n"); - prom_halt(); - } - - mdesc_node_alloc(node, ep, names); + case MD_PROP_STR: + case MD_PROP_DATA: + val = data + ep->d.data.data_offset; + len = ep->d.data.data_len; + break; - if (ep->d.val >= last_node) { - printk("MDESC: Warning, early break out of node scan.\n"); - printk("MDESC: Next node [%lu] last_node [%lu].\n", - node, last_node); + default: break; } + if (!val) + continue; - ep = start + ep->d.val; + if (!strcmp(names + ep->name_offset, name)) { + if (lenp) + *lenp = len; + return val; + } } - data = data_block(mdesc); - for (mp = allnodes; mp; mp = mp->allnodes_next) { - struct mdesc_elem *ep = start + mp->node; - struct property **link = &mp->properties; - unsigned int this_arc = 0; - - ep++; - while (ep->tag != MD_NODE_END) { - switch (ep->tag) { - case MD_PROP_ARC: { - struct mdesc_node *target; - - if (this_arc >= mp->num_arcs) { - prom_printf("MDESC: ARC overrun [%u:%u]\n", - this_arc, mp->num_arcs); - prom_halt(); - } - target = find_node(ep->d.val); - if (!target) { - printk("MDESC: Warning, arc points to " - "missing node, ignoring.\n"); - break; - } - mp->arcs[this_arc].name = - (names + ep->name_offset); - mp->arcs[this_arc].arc = target; - this_arc++; - break; - } + return NULL; +} +EXPORT_SYMBOL(mdesc_get_property); - case MD_PROP_VAL: - case MD_PROP_STR: - case MD_PROP_DATA: { - struct property *p = mdesc_early_alloc(sizeof(*p)); - - p->unique_id = unique_id++; - p->name = (char *) names + ep->name_offset; - if (ep->tag == MD_PROP_VAL) { - p->value = &ep->d.val; - p->length = 8; - } else { - p->value = data + ep->d.data.data_offset; - p->length = ep->d.data.data_len; - } - *link = p; - link = &p->next; - break; - } +u64 mdesc_next_arc(struct mdesc_handle *hp, u64 from, const char *arc_type) +{ + struct mdesc_elem *ep, *base = node_block(&hp->mdesc); + const char *names = name_block(&hp->mdesc); + u64 last_node = hp->mdesc.node_sz / 16; - case MD_NOOP: - break; + if (from == MDESC_NODE_NULL || from >= last_node) + return MDESC_NODE_NULL; - default: - printk("MDESC: Warning, ignoring unknown tag type %02x\n", - ep->tag); - } - ep++; - } + ep = base + from; + + ep++; + for (; ep->tag != MD_NODE_END; ep++) { + if (ep->tag != MD_PROP_ARC) + continue; + + if (strcmp(names + ep->name_offset, arc_type)) + continue; + + return ep - base; } + + return MDESC_NODE_NULL; } +EXPORT_SYMBOL(mdesc_next_arc); -static unsigned int __init count_nodes(struct mdesc_hdr *mdesc) +u64 mdesc_arc_target(struct mdesc_handle *hp, u64 arc) { - struct mdesc_elem *ep = node_block(mdesc); - struct mdesc_elem *end; - unsigned int cnt = 0; - - end = ((void *)ep) + mdesc->node_sz; - while (ep < end) { - if (ep->tag == MD_NODE) - cnt++; - ep++; - } - return cnt; + struct mdesc_elem *ep, *base = node_block(&hp->mdesc); + + ep = base + arc; + + return ep->d.val; +} +EXPORT_SYMBOL(mdesc_arc_target); + +const char *mdesc_node_name(struct mdesc_handle *hp, u64 node) +{ + struct mdesc_elem *ep, *base = node_block(&hp->mdesc); + const char *names = name_block(&hp->mdesc); + u64 last_node = hp->mdesc.node_sz / 16; + + if (node == MDESC_NODE_NULL || node >= last_node) + return NULL; + + ep = base + node; + if (ep->tag != MD_NODE) + return NULL; + + return names + ep->name_offset; } +EXPORT_SYMBOL(mdesc_node_name); static void __init report_platform_properties(void) { - struct mdesc_node *pn = md_find_node_by_name(NULL, "platform"); + struct mdesc_handle *hp = mdesc_grab(); + u64 pn = mdesc_node_by_name(hp, MDESC_NODE_NULL, "platform"); const char *s; const u64 *v; - if (!pn) { + if (pn == MDESC_NODE_NULL) { prom_printf("No platform node in machine-description.\n"); prom_halt(); } - s = md_get_property(pn, "banner-name", NULL); + s = mdesc_get_property(hp, pn, "banner-name", NULL); printk("PLATFORM: banner-name [%s]\n", s); - s = md_get_property(pn, "name", NULL); + s = mdesc_get_property(hp, pn, "name", NULL); printk("PLATFORM: name [%s]\n", s); - v = md_get_property(pn, "hostid", NULL); + v = mdesc_get_property(hp, pn, "hostid", NULL); if (v) printk("PLATFORM: hostid [%08lx]\n", *v); - v = md_get_property(pn, "serial#", NULL); + v = mdesc_get_property(hp, pn, "serial#", NULL); if (v) printk("PLATFORM: serial# [%08lx]\n", *v); - v = md_get_property(pn, "stick-frequency", NULL); + v = mdesc_get_property(hp, pn, "stick-frequency", NULL); printk("PLATFORM: stick-frequency [%08lx]\n", *v); - v = md_get_property(pn, "mac-address", NULL); + v = mdesc_get_property(hp, pn, "mac-address", NULL); if (v) printk("PLATFORM: mac-address [%lx]\n", *v); - v = md_get_property(pn, "watchdog-resolution", NULL); + v = mdesc_get_property(hp, pn, "watchdog-resolution", NULL); if (v) printk("PLATFORM: watchdog-resolution [%lu ms]\n", *v); - v = md_get_property(pn, "watchdog-max-timeout", NULL); + v = mdesc_get_property(hp, pn, "watchdog-max-timeout", NULL); if (v) printk("PLATFORM: watchdog-max-timeout [%lu ms]\n", *v); - v = md_get_property(pn, "max-cpus", NULL); + v = mdesc_get_property(hp, pn, "max-cpus", NULL); if (v) printk("PLATFORM: max-cpus [%lu]\n", *v); + +#ifdef CONFIG_SMP + { + int max_cpu, i; + + if (v) { + max_cpu = *v; + if (max_cpu > NR_CPUS) + max_cpu = NR_CPUS; + } else { + max_cpu = NR_CPUS; + } + for (i = 0; i < max_cpu; i++) + cpu_set(i, cpu_possible_map); + } +#endif + + mdesc_release(hp); } static int inline find_in_proplist(const char *list, const char *match, int len) @@ -369,15 +462,17 @@ static int inline find_in_proplist(const char *list, const char *match, int len) return 0; } -static void __init fill_in_one_cache(cpuinfo_sparc *c, struct mdesc_node *mp) +static void __devinit fill_in_one_cache(cpuinfo_sparc *c, + struct mdesc_handle *hp, + u64 mp) { - const u64 *level = md_get_property(mp, "level", NULL); - const u64 *size = md_get_property(mp, "size", NULL); - const u64 *line_size = md_get_property(mp, "line-size", NULL); + const u64 *level = mdesc_get_property(hp, mp, "level", NULL); + const u64 *size = mdesc_get_property(hp, mp, "size", NULL); + const u64 *line_size = mdesc_get_property(hp, mp, "line-size", NULL); const char *type; int type_len; - type = md_get_property(mp, "type", &type_len); + type = mdesc_get_property(hp, mp, "type", &type_len); switch (*level) { case 1: @@ -400,48 +495,45 @@ static void __init fill_in_one_cache(cpuinfo_sparc *c, struct mdesc_node *mp) } if (*level == 1) { - unsigned int i; - - for (i = 0; i < mp->num_arcs; i++) { - struct mdesc_node *t = mp->arcs[i].arc; + u64 a; - if (strcmp(mp->arcs[i].name, "fwd")) - continue; + mdesc_for_each_arc(a, hp, mp, MDESC_ARC_TYPE_FWD) { + u64 target = mdesc_arc_target(hp, a); + const char *name = mdesc_node_name(hp, target); - if (!strcmp(t->name, "cache")) - fill_in_one_cache(c, t); + if (!strcmp(name, "cache")) + fill_in_one_cache(c, hp, target); } } } -static void __init mark_core_ids(struct mdesc_node *mp, int core_id) +static void __devinit mark_core_ids(struct mdesc_handle *hp, u64 mp, + int core_id) { - unsigned int i; + u64 a; - for (i = 0; i < mp->num_arcs; i++) { - struct mdesc_node *t = mp->arcs[i].arc; + mdesc_for_each_arc(a, hp, mp, MDESC_ARC_TYPE_BACK) { + u64 t = mdesc_arc_target(hp, a); + const char *name; const u64 *id; - if (strcmp(mp->arcs[i].name, "back")) - continue; - - if (!strcmp(t->name, "cpu")) { - id = md_get_property(t, "id", NULL); + name = mdesc_node_name(hp, t); + if (!strcmp(name, "cpu")) { + id = mdesc_get_property(hp, t, "id", NULL); if (*id < NR_CPUS) cpu_data(*id).core_id = core_id; } else { - unsigned int j; + u64 j; - for (j = 0; j < t->num_arcs; j++) { - struct mdesc_node *n = t->arcs[j].arc; + mdesc_for_each_arc(j, hp, t, MDESC_ARC_TYPE_BACK) { + u64 n = mdesc_arc_target(hp, j); + const char *n_name; - if (strcmp(t->arcs[j].name, "back")) + n_name = mdesc_node_name(hp, n); + if (strcmp(n_name, "cpu")) continue; - if (strcmp(n->name, "cpu")) - continue; - - id = md_get_property(n, "id", NULL); + id = mdesc_get_property(hp, n, "id", NULL); if (*id < NR_CPUS) cpu_data(*id).core_id = core_id; } @@ -449,78 +541,81 @@ static void __init mark_core_ids(struct mdesc_node *mp, int core_id) } } -static void __init set_core_ids(void) +static void __devinit set_core_ids(struct mdesc_handle *hp) { - struct mdesc_node *mp; int idx; + u64 mp; idx = 1; - md_for_each_node_by_name(mp, "cache") { - const u64 *level = md_get_property(mp, "level", NULL); + mdesc_for_each_node_by_name(hp, mp, "cache") { + const u64 *level; const char *type; int len; + level = mdesc_get_property(hp, mp, "level", NULL); if (*level != 1) continue; - type = md_get_property(mp, "type", &len); + type = mdesc_get_property(hp, mp, "type", &len); if (!find_in_proplist(type, "instn", len)) continue; - mark_core_ids(mp, idx); + mark_core_ids(hp, mp, idx); idx++; } } -static void __init mark_proc_ids(struct mdesc_node *mp, int proc_id) +static void __devinit mark_proc_ids(struct mdesc_handle *hp, u64 mp, + int proc_id) { - int i; + u64 a; - for (i = 0; i < mp->num_arcs; i++) { - struct mdesc_node *t = mp->arcs[i].arc; + mdesc_for_each_arc(a, hp, mp, MDESC_ARC_TYPE_BACK) { + u64 t = mdesc_arc_target(hp, a); + const char *name; const u64 *id; - if (strcmp(mp->arcs[i].name, "back")) - continue; - - if (strcmp(t->name, "cpu")) + name = mdesc_node_name(hp, t); + if (strcmp(name, "cpu")) continue; - id = md_get_property(t, "id", NULL); + id = mdesc_get_property(hp, t, "id", NULL); if (*id < NR_CPUS) cpu_data(*id).proc_id = proc_id; } } -static void __init __set_proc_ids(const char *exec_unit_name) +static void __devinit __set_proc_ids(struct mdesc_handle *hp, + const char *exec_unit_name) { - struct mdesc_node *mp; int idx; + u64 mp; idx = 0; - md_for_each_node_by_name(mp, exec_unit_name) { + mdesc_for_each_node_by_name(hp, mp, exec_unit_name) { const char *type; int len; - type = md_get_property(mp, "type", &len); + type = mdesc_get_property(hp, mp, "type", &len); if (!find_in_proplist(type, "int", len) && !find_in_proplist(type, "integer", len)) continue; - mark_proc_ids(mp, idx); + mark_proc_ids(hp, mp, idx); idx++; } } -static void __init set_proc_ids(void) +static void __devinit set_proc_ids(struct mdesc_handle *hp) { - __set_proc_ids("exec_unit"); - __set_proc_ids("exec-unit"); + __set_proc_ids(hp, "exec_unit"); + __set_proc_ids(hp, "exec-unit"); } -static void __init get_one_mondo_bits(const u64 *p, unsigned int *mask, unsigned char def) +static void __devinit get_one_mondo_bits(const u64 *p, unsigned int *mask, + unsigned char def) { u64 val; @@ -538,35 +633,37 @@ use_default: *mask = ((1U << def) * 64U) - 1U; } -static void __init get_mondo_data(struct mdesc_node *mp, struct trap_per_cpu *tb) +static void __devinit get_mondo_data(struct mdesc_handle *hp, u64 mp, + struct trap_per_cpu *tb) { const u64 *val; - val = md_get_property(mp, "q-cpu-mondo-#bits", NULL); + val = mdesc_get_property(hp, mp, "q-cpu-mondo-#bits", NULL); get_one_mondo_bits(val, &tb->cpu_mondo_qmask, 7); - val = md_get_property(mp, "q-dev-mondo-#bits", NULL); + val = mdesc_get_property(hp, mp, "q-dev-mondo-#bits", NULL); get_one_mondo_bits(val, &tb->dev_mondo_qmask, 7); - val = md_get_property(mp, "q-resumable-#bits", NULL); + val = mdesc_get_property(hp, mp, "q-resumable-#bits", NULL); get_one_mondo_bits(val, &tb->resum_qmask, 6); - val = md_get_property(mp, "q-nonresumable-#bits", NULL); + val = mdesc_get_property(hp, mp, "q-nonresumable-#bits", NULL); get_one_mondo_bits(val, &tb->nonresum_qmask, 2); } -static void __init mdesc_fill_in_cpu_data(void) +void __devinit mdesc_fill_in_cpu_data(cpumask_t mask) { - struct mdesc_node *mp; + struct mdesc_handle *hp = mdesc_grab(); + u64 mp; ncpus_probed = 0; - md_for_each_node_by_name(mp, "cpu") { - const u64 *id = md_get_property(mp, "id", NULL); - const u64 *cfreq = md_get_property(mp, "clock-frequency", NULL); + mdesc_for_each_node_by_name(hp, mp, "cpu") { + const u64 *id = mdesc_get_property(hp, mp, "id", NULL); + const u64 *cfreq = mdesc_get_property(hp, mp, "clock-frequency", NULL); struct trap_per_cpu *tb; cpuinfo_sparc *c; - unsigned int i; int cpuid; + u64 a; ncpus_probed++; @@ -575,6 +672,8 @@ static void __init mdesc_fill_in_cpu_data(void) #ifdef CONFIG_SMP if (cpuid >= NR_CPUS) continue; + if (!cpu_isset(cpuid, mask)) + continue; #else /* On uniprocessor we only want the values for the * real physical cpu the kernel booted onto, however @@ -589,35 +688,30 @@ static void __init mdesc_fill_in_cpu_data(void) c->clock_tick = *cfreq; tb = &trap_block[cpuid]; - get_mondo_data(mp, tb); - - for (i = 0; i < mp->num_arcs; i++) { - struct mdesc_node *t = mp->arcs[i].arc; - unsigned int j; + get_mondo_data(hp, mp, tb); - if (strcmp(mp->arcs[i].name, "fwd")) - continue; + mdesc_for_each_arc(a, hp, mp, MDESC_ARC_TYPE_FWD) { + u64 j, t = mdesc_arc_target(hp, a); + const char *t_name; - if (!strcmp(t->name, "cache")) { - fill_in_one_cache(c, t); + t_name = mdesc_node_name(hp, t); + if (!strcmp(t_name, "cache")) { + fill_in_one_cache(c, hp, t); continue; } - for (j = 0; j < t->num_arcs; j++) { - struct mdesc_node *n; + mdesc_for_each_arc(j, hp, t, MDESC_ARC_TYPE_FWD) { + u64 n = mdesc_arc_target(hp, j); + const char *n_name; - n = t->arcs[j].arc; - if (strcmp(t->arcs[j].name, "fwd")) - continue; - - if (!strcmp(n->name, "cache")) - fill_in_one_cache(c, n); + n_name = mdesc_node_name(hp, n); + if (!strcmp(n_name, "cache")) + fill_in_one_cache(c, hp, n); } } #ifdef CONFIG_SMP cpu_set(cpuid, cpu_present_map); - cpu_set(cpuid, phys_cpu_present_map); #endif c->core_id = 0; @@ -628,45 +722,43 @@ static void __init mdesc_fill_in_cpu_data(void) sparc64_multi_core = 1; #endif - set_core_ids(); - set_proc_ids(); + set_core_ids(hp); + set_proc_ids(hp); smp_fill_in_sib_core_maps(); + + mdesc_release(hp); } void __init sun4v_mdesc_init(void) { + struct mdesc_handle *hp; unsigned long len, real_len, status; + cpumask_t mask; (void) sun4v_mach_desc(0UL, 0UL, &len); printk("MDESC: Size is %lu bytes.\n", len); - main_mdesc = mdesc_early_alloc(len); + hp = mdesc_alloc(len, &bootmem_mdesc_memops); + if (hp == NULL) { + prom_printf("MDESC: alloc of %lu bytes failed.\n", len); + prom_halt(); + } - status = sun4v_mach_desc(__pa(main_mdesc), len, &real_len); + status = sun4v_mach_desc(__pa(&hp->mdesc), len, &real_len); if (status != HV_EOK || real_len > len) { prom_printf("sun4v_mach_desc fails, err(%lu), " "len(%lu), real_len(%lu)\n", status, len, real_len); + mdesc_free(hp); prom_halt(); } - len = count_nodes(main_mdesc); - printk("MDESC: %lu nodes.\n", len); - - len = roundup_pow_of_two(len); - - mdesc_hash = mdesc_early_alloc(len * sizeof(struct mdesc_node *)); - mdesc_hash_size = len; - - printk("MDESC: Hash size %lu entries.\n", len); - - build_all_nodes(main_mdesc); - - printk("MDESC: Built graph with %u bytes of memory.\n", - mdesc_early_allocated); + cur_mdesc = hp; report_platform_properties(); - mdesc_fill_in_cpu_data(); + + cpus_setall(mask); + mdesc_fill_in_cpu_data(mask); } diff --git a/arch/sparc64/kernel/power.c b/arch/sparc64/kernel/power.c index 5d6adea..8dd4294 100644 --- a/arch/sparc64/kernel/power.c +++ b/arch/sparc64/kernel/power.c @@ -1,7 +1,6 @@ -/* $Id: power.c,v 1.10 2001/12/11 01:57:16 davem Exp $ - * power.c: Power management driver. +/* power.c: Power management driver. * - * Copyright (C) 1999 David S. Miller (davem@redhat.com) + * Copyright (C) 1999, 2007 David S. Miller (davem@davemloft.net) */ #include <linux/kernel.h> @@ -19,6 +18,7 @@ #include <asm/prom.h> #include <asm/of_device.h> #include <asm/io.h> +#include <asm/power.h> #include <asm/sstate.h> #include <linux/unistd.h> @@ -29,24 +29,26 @@ */ int scons_pwroff = 1; -#ifdef CONFIG_PCI -#include <linux/pci.h> static void __iomem *power_reg; static DECLARE_WAIT_QUEUE_HEAD(powerd_wait); static int button_pressed; -static irqreturn_t power_handler(int irq, void *dev_id) +void wake_up_powerd(void) { if (button_pressed == 0) { button_pressed = 1; wake_up(&powerd_wait); } +} + +static irqreturn_t power_handler(int irq, void *dev_id) +{ + wake_up_powerd(); /* FIXME: Check registers for status... */ return IRQ_HANDLED; } -#endif /* CONFIG_PCI */ extern void machine_halt(void); extern void machine_alt_power_off(void); @@ -56,19 +58,18 @@ void machine_power_off(void) { sstate_poweroff(); if (!serial_console || scons_pwroff) { -#ifdef CONFIG_PCI if (power_reg) { /* Both register bits seem to have the * same effect, so until I figure out * what the difference is... */ writel(AUXIO_PCIO_CPWR_OFF | AUXIO_PCIO_SPWR_OFF, power_reg); - } else -#endif /* CONFIG_PCI */ + } else { if (poweroff_method != NULL) { poweroff_method(); /* not reached */ } + } } machine_halt(); } @@ -76,7 +77,6 @@ void machine_power_off(void) void (*pm_power_off)(void) = machine_power_off; EXPORT_SYMBOL(pm_power_off); -#ifdef CONFIG_PCI static int powerd(void *__unused) { static char *envp[] = { "HOME=/", "TERM=linux", "PATH=/sbin:/usr/sbin:/bin:/usr/bin", NULL }; @@ -86,7 +86,7 @@ static int powerd(void *__unused) daemonize("powerd"); add_wait_queue(&powerd_wait, &wait); -again: + for (;;) { set_task_state(current, TASK_INTERRUPTIBLE); if (button_pressed) @@ -100,16 +100,28 @@ again: /* Ok, down we go... */ button_pressed = 0; if (kernel_execve("/sbin/shutdown", argv, envp) < 0) { - printk("powerd: shutdown execution failed\n"); - add_wait_queue(&powerd_wait, &wait); - goto again; + printk(KERN_ERR "powerd: shutdown execution failed\n"); + machine_power_off(); } return 0; } +int start_powerd(void) +{ + int err; + + err = kernel_thread(powerd, NULL, CLONE_FS); + if (err < 0) + printk(KERN_ERR "power: Failed to start power daemon.\n"); + else + printk(KERN_INFO "power: powerd running.\n"); + + return err; +} + static int __init has_button_interrupt(unsigned int irq, struct device_node *dp) { - if (irq == PCI_IRQ_NONE) + if (irq == 0xffffffff) return 0; if (!of_find_property(dp, "button", NULL)) return 0; @@ -130,17 +142,14 @@ static int __devinit power_probe(struct of_device *op, const struct of_device_id poweroff_method = machine_halt; /* able to use the standard halt */ if (has_button_interrupt(irq, op->node)) { - if (kernel_thread(powerd, NULL, CLONE_FS) < 0) { - printk("Failed to start power daemon.\n"); + if (start_powerd() < 0) return 0; - } - printk("powerd running.\n"); if (request_irq(irq, power_handler, 0, "power", NULL) < 0) - printk("power: Error, cannot register IRQ handler.\n"); + printk(KERN_ERR "power: Cannot setup IRQ handler.\n"); } else { - printk("not using powerd.\n"); + printk(KERN_INFO "power: Not using powerd.\n"); } return 0; @@ -164,4 +173,3 @@ void __init power_init(void) of_register_driver(&power_driver, &of_bus_type); return; } -#endif /* CONFIG_PCI */ diff --git a/arch/sparc64/kernel/process.c b/arch/sparc64/kernel/process.c index f5f97e2..9355750 100644 --- a/arch/sparc64/kernel/process.c +++ b/arch/sparc64/kernel/process.c @@ -29,6 +29,7 @@ #include <linux/compat.h> #include <linux/tick.h> #include <linux/init.h> +#include <linux/cpu.h> #include <asm/oplib.h> #include <asm/uaccess.h> @@ -49,7 +50,7 @@ /* #define VERBOSE_SHOWREGS */ -static void sparc64_yield(void) +static void sparc64_yield(int cpu) { if (tlb_type != hypervisor) return; @@ -57,7 +58,7 @@ static void sparc64_yield(void) clear_thread_flag(TIF_POLLING_NRFLAG); smp_mb__after_clear_bit(); - while (!need_resched()) { + while (!need_resched() && !cpu_is_offline(cpu)) { unsigned long pstate; /* Disable interrupts. */ @@ -68,7 +69,7 @@ static void sparc64_yield(void) : "=&r" (pstate) : "i" (PSTATE_IE)); - if (!need_resched()) + if (!need_resched() && !cpu_is_offline(cpu)) sun4v_cpu_yield(); /* Re-enable interrupts. */ @@ -86,15 +87,25 @@ static void sparc64_yield(void) /* The idle loop on sparc64. */ void cpu_idle(void) { + int cpu = smp_processor_id(); + set_thread_flag(TIF_POLLING_NRFLAG); while(1) { tick_nohz_stop_sched_tick(); - while (!need_resched()) - sparc64_yield(); + + while (!need_resched() && !cpu_is_offline(cpu)) + sparc64_yield(cpu); + tick_nohz_restart_sched_tick(); preempt_enable_no_resched(); + +#ifdef CONFIG_HOTPLUG_CPU + if (cpu_is_offline(cpu)) + cpu_play_dead(); +#endif + schedule(); preempt_disable(); } diff --git a/arch/sparc64/kernel/prom.c b/arch/sparc64/kernel/prom.c index 61036b3..5d22030 100644 --- a/arch/sparc64/kernel/prom.c +++ b/arch/sparc64/kernel/prom.c @@ -1808,7 +1808,7 @@ static void __init of_fill_in_cpu_data(void) #ifdef CONFIG_SMP cpu_set(cpuid, cpu_present_map); - cpu_set(cpuid, phys_cpu_present_map); + cpu_set(cpuid, cpu_possible_map); #endif } diff --git a/arch/sparc64/kernel/setup.c b/arch/sparc64/kernel/setup.c index 7490cc6..aafde3d 100644 --- a/arch/sparc64/kernel/setup.c +++ b/arch/sparc64/kernel/setup.c @@ -442,7 +442,6 @@ static int show_cpuinfo(struct seq_file *m, void *__unused) "D$ parity tl1\t: %u\n" "I$ parity tl1\t: %u\n" #ifndef CONFIG_SMP - "Cpu0Bogo\t: %lu.%02lu\n" "Cpu0ClkTck\t: %016lx\n" #endif , @@ -457,9 +456,7 @@ static int show_cpuinfo(struct seq_file *m, void *__unused) dcache_parity_tl1_occurred, icache_parity_tl1_occurred #ifndef CONFIG_SMP - , cpu_data(0).udelay_val/(500000/HZ), - (cpu_data(0).udelay_val/(5000/HZ)) % 100, - cpu_data(0).clock_tick + , cpu_data(0).clock_tick #endif ); #ifdef CONFIG_SMP diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c index 40e40f9..b448d33 100644 --- a/arch/sparc64/kernel/smp.c +++ b/arch/sparc64/kernel/smp.c @@ -1,6 +1,6 @@ /* smp.c: Sparc64 SMP support. * - * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu) + * Copyright (C) 1997, 2007 David S. Miller (davem@davemloft.net) */ #include <linux/module.h> @@ -28,6 +28,8 @@ #include <asm/tlbflush.h> #include <asm/mmu_context.h> #include <asm/cpudata.h> +#include <asm/hvtramp.h> +#include <asm/io.h> #include <asm/irq.h> #include <asm/irq_regs.h> @@ -41,22 +43,26 @@ #include <asm/sections.h> #include <asm/prom.h> #include <asm/mdesc.h> +#include <asm/ldc.h> +#include <asm/hypervisor.h> extern void calibrate_delay(void); int sparc64_multi_core __read_mostly; -/* Please don't make this stuff initdata!!! --DaveM */ -unsigned char boot_cpu_id; - +cpumask_t cpu_possible_map __read_mostly = CPU_MASK_NONE; cpumask_t cpu_online_map __read_mostly = CPU_MASK_NONE; -cpumask_t phys_cpu_present_map __read_mostly = CPU_MASK_NONE; cpumask_t cpu_sibling_map[NR_CPUS] __read_mostly = { [0 ... NR_CPUS-1] = CPU_MASK_NONE }; cpumask_t cpu_core_map[NR_CPUS] __read_mostly = { [0 ... NR_CPUS-1] = CPU_MASK_NONE }; + +EXPORT_SYMBOL(cpu_possible_map); +EXPORT_SYMBOL(cpu_online_map); +EXPORT_SYMBOL(cpu_sibling_map); +EXPORT_SYMBOL(cpu_core_map); + static cpumask_t smp_commenced_mask; -static cpumask_t cpu_callout_map; void smp_info(struct seq_file *m) { @@ -73,18 +79,17 @@ void smp_bogo(struct seq_file *m) for_each_online_cpu(i) seq_printf(m, - "Cpu%dBogo\t: %lu.%02lu\n" "Cpu%dClkTck\t: %016lx\n", - i, cpu_data(i).udelay_val / (500000/HZ), - (cpu_data(i).udelay_val / (5000/HZ)) % 100, i, cpu_data(i).clock_tick); } +static __cacheline_aligned_in_smp DEFINE_SPINLOCK(call_lock); + extern void setup_sparc64_timer(void); static volatile unsigned long callin_flag = 0; -void __init smp_callin(void) +void __devinit smp_callin(void) { int cpuid = hard_smp_processor_id(); @@ -102,8 +107,6 @@ void __init smp_callin(void) local_irq_enable(); - calibrate_delay(); - cpu_data(cpuid).udelay_val = loops_per_jiffy; callin_flag = 1; __asm__ __volatile__("membar #Sync\n\t" "flush %%g6" : : : "memory"); @@ -120,7 +123,9 @@ void __init smp_callin(void) while (!cpu_isset(cpuid, smp_commenced_mask)) rmb(); + spin_lock(&call_lock); cpu_set(cpuid, cpu_online_map); + spin_unlock(&call_lock); /* idle thread is expected to have preempt disabled */ preempt_disable(); @@ -268,6 +273,67 @@ static void smp_synchronize_one_tick(int cpu) spin_unlock_irqrestore(&itc_sync_lock, flags); } +#if defined(CONFIG_SUN_LDOMS) && defined(CONFIG_HOTPLUG_CPU) +/* XXX Put this in some common place. XXX */ +static unsigned long kimage_addr_to_ra(void *p) +{ + unsigned long val = (unsigned long) p; + + return kern_base + (val - KERNBASE); +} + +static void ldom_startcpu_cpuid(unsigned int cpu, unsigned long thread_reg) +{ + extern unsigned long sparc64_ttable_tl0; + extern unsigned long kern_locked_tte_data; + extern int bigkernel; + struct hvtramp_descr *hdesc; + unsigned long trampoline_ra; + struct trap_per_cpu *tb; + u64 tte_vaddr, tte_data; + unsigned long hv_err; + + hdesc = kzalloc(sizeof(*hdesc), GFP_KERNEL); + if (!hdesc) { + printk(KERN_ERR "ldom_startcpu_cpuid: Cannot allocate " + "hvtramp_descr.\n"); + return; + } + + hdesc->cpu = cpu; + hdesc->num_mappings = (bigkernel ? 2 : 1); + + tb = &trap_block[cpu]; + tb->hdesc = hdesc; + + hdesc->fault_info_va = (unsigned long) &tb->fault_info; + hdesc->fault_info_pa = kimage_addr_to_ra(&tb->fault_info); + + hdesc->thread_reg = thread_reg; + + tte_vaddr = (unsigned long) KERNBASE; + tte_data = kern_locked_tte_data; + + hdesc->maps[0].vaddr = tte_vaddr; + hdesc->maps[0].tte = tte_data; + if (bigkernel) { + tte_vaddr += 0x400000; + tte_data += 0x400000; + hdesc->maps[1].vaddr = tte_vaddr; + hdesc->maps[1].tte = tte_data; + } + + trampoline_ra = kimage_addr_to_ra(hv_cpu_startup); + + hv_err = sun4v_cpu_start(cpu, trampoline_ra, + kimage_addr_to_ra(&sparc64_ttable_tl0), + __pa(hdesc)); + if (hv_err) + printk(KERN_ERR "ldom_startcpu_cpuid: sun4v_cpu_start() " + "gives error %lu\n", hv_err); +} +#endif + extern void sun4v_init_mondo_queues(int use_bootmem, int cpu, int alloc, int load); extern unsigned long sparc64_cpu_startup; @@ -280,6 +346,7 @@ static struct thread_info *cpu_new_thread = NULL; static int __devinit smp_boot_one_cpu(unsigned int cpu) { + struct trap_per_cpu *tb = &trap_block[cpu]; unsigned long entry = (unsigned long)(&sparc64_cpu_startup); unsigned long cookie = @@ -290,20 +357,25 @@ static int __devinit smp_boot_one_cpu(unsigned int cpu) p = fork_idle(cpu); callin_flag = 0; cpu_new_thread = task_thread_info(p); - cpu_set(cpu, cpu_callout_map); if (tlb_type == hypervisor) { /* Alloc the mondo queues, cpu will load them. */ sun4v_init_mondo_queues(0, cpu, 1, 0); - prom_startcpu_cpuid(cpu, entry, cookie); +#if defined(CONFIG_SUN_LDOMS) && defined(CONFIG_HOTPLUG_CPU) + if (ldom_domaining_enabled) + ldom_startcpu_cpuid(cpu, + (unsigned long) cpu_new_thread); + else +#endif + prom_startcpu_cpuid(cpu, entry, cookie); } else { struct device_node *dp = of_find_node_by_cpuid(cpu); prom_startcpu(dp->node, entry, cookie); } - for (timeout = 0; timeout < 5000000; timeout++) { + for (timeout = 0; timeout < 50000; timeout++) { if (callin_flag) break; udelay(100); @@ -313,11 +385,15 @@ static int __devinit smp_boot_one_cpu(unsigned int cpu) ret = 0; } else { printk("Processor %d is stuck.\n", cpu); - cpu_clear(cpu, cpu_callout_map); ret = -ENODEV; } cpu_new_thread = NULL; + if (tb->hdesc) { + kfree(tb->hdesc); + tb->hdesc = NULL; + } + return ret; } @@ -720,7 +796,6 @@ struct call_data_struct { int wait; }; -static __cacheline_aligned_in_smp DEFINE_SPINLOCK(call_lock); static struct call_data_struct *call_data; extern unsigned long xcall_call_function; @@ -1152,34 +1227,14 @@ void smp_penguin_jailcell(int irq, struct pt_regs *regs) preempt_enable(); } -void __init smp_tick_init(void) -{ - boot_cpu_id = hard_smp_processor_id(); -} - /* /proc/profile writes can call this, don't __init it please. */ int setup_profiling_timer(unsigned int multiplier) { return -EINVAL; } -/* Constrain the number of cpus to max_cpus. */ void __init smp_prepare_cpus(unsigned int max_cpus) { - int i; - - if (num_possible_cpus() > max_cpus) { - for_each_possible_cpu(i) { - if (i != boot_cpu_id) { - cpu_clear(i, phys_cpu_present_map); - cpu_clear(i, cpu_present_map); - if (num_possible_cpus() <= max_cpus) - break; - } - } - } - - cpu_data(boot_cpu_id).udelay_val = loops_per_jiffy; } void __devinit smp_prepare_boot_cpu(void) @@ -1190,30 +1245,32 @@ void __devinit smp_fill_in_sib_core_maps(void) { unsigned int i; - for_each_possible_cpu(i) { + for_each_present_cpu(i) { unsigned int j; + cpus_clear(cpu_core_map[i]); if (cpu_data(i).core_id == 0) { cpu_set(i, cpu_core_map[i]); continue; } - for_each_possible_cpu(j) { + for_each_present_cpu(j) { if (cpu_data(i).core_id == cpu_data(j).core_id) cpu_set(j, cpu_core_map[i]); } } - for_each_possible_cpu(i) { + for_each_present_cpu(i) { unsigned int j; + cpus_clear(cpu_sibling_map[i]); if (cpu_data(i).proc_id == -1) { cpu_set(i, cpu_sibling_map[i]); continue; } - for_each_possible_cpu(j) { + for_each_present_cpu(j) { if (cpu_data(i).proc_id == cpu_data(j).proc_id) cpu_set(j, cpu_sibling_map[i]); @@ -1242,18 +1299,112 @@ int __cpuinit __cpu_up(unsigned int cpu) return ret; } -void __init smp_cpus_done(unsigned int max_cpus) +#ifdef CONFIG_HOTPLUG_CPU +void cpu_play_dead(void) +{ + int cpu = smp_processor_id(); + unsigned long pstate; + + idle_task_exit(); + + if (tlb_type == hypervisor) { + struct trap_per_cpu *tb = &trap_block[cpu]; + + sun4v_cpu_qconf(HV_CPU_QUEUE_CPU_MONDO, + tb->cpu_mondo_pa, 0); + sun4v_cpu_qconf(HV_CPU_QUEUE_DEVICE_MONDO, + tb->dev_mondo_pa, 0); + sun4v_cpu_qconf(HV_CPU_QUEUE_RES_ERROR, + tb->resum_mondo_pa, 0); + sun4v_cpu_qconf(HV_CPU_QUEUE_NONRES_ERROR, + tb->nonresum_mondo_pa, 0); + } + + cpu_clear(cpu, smp_commenced_mask); + membar_safe("#Sync"); + + local_irq_disable(); + + __asm__ __volatile__( + "rdpr %%pstate, %0\n\t" + "wrpr %0, %1, %%pstate" + : "=r" (pstate) + : "i" (PSTATE_IE)); + + while (1) + barrier(); +} + +int __cpu_disable(void) { - unsigned long bogosum = 0; + int cpu = smp_processor_id(); + cpuinfo_sparc *c; int i; - for_each_online_cpu(i) - bogosum += cpu_data(i).udelay_val; - printk("Total of %ld processors activated " - "(%lu.%02lu BogoMIPS).\n", - (long) num_online_cpus(), - bogosum/(500000/HZ), - (bogosum/(5000/HZ))%100); + for_each_cpu_mask(i, cpu_core_map[cpu]) + cpu_clear(cpu, cpu_core_map[i]); + cpus_clear(cpu_core_map[cpu]); + + for_each_cpu_mask(i, cpu_sibling_map[cpu]) + cpu_clear(cpu, cpu_sibling_map[i]); + cpus_clear(cpu_sibling_map[cpu]); + + c = &cpu_data(cpu); + + c->core_id = 0; + c->proc_id = -1; + + spin_lock(&call_lock); + cpu_clear(cpu, cpu_online_map); + spin_unlock(&call_lock); + + smp_wmb(); + + /* Make sure no interrupts point to this cpu. */ + fixup_irqs(); + + local_irq_enable(); + mdelay(1); + local_irq_disable(); + + return 0; +} + +void __cpu_die(unsigned int cpu) +{ + int i; + + for (i = 0; i < 100; i++) { + smp_rmb(); + if (!cpu_isset(cpu, smp_commenced_mask)) + break; + msleep(100); + } + if (cpu_isset(cpu, smp_commenced_mask)) { + printk(KERN_ERR "CPU %u didn't die...\n", cpu); + } else { +#if defined(CONFIG_SUN_LDOMS) + unsigned long hv_err; + int limit = 100; + + do { + hv_err = sun4v_cpu_stop(cpu); + if (hv_err == HV_EOK) { + cpu_clear(cpu, cpu_present_map); + break; + } + } while (--limit > 0); + if (limit <= 0) { + printk(KERN_ERR "sun4v_cpu_stop() fails err=%lu\n", + hv_err); + } +#endif + } +} +#endif + +void __init smp_cpus_done(unsigned int max_cpus) +{ } void smp_send_reschedule(int cpu) diff --git a/arch/sparc64/kernel/sparc64_ksyms.c b/arch/sparc64/kernel/sparc64_ksyms.c index 6fa7616..719d676 100644 --- a/arch/sparc64/kernel/sparc64_ksyms.c +++ b/arch/sparc64/kernel/sparc64_ksyms.c @@ -1,7 +1,6 @@ -/* $Id: sparc64_ksyms.c,v 1.121 2002/02/09 19:49:31 davem Exp $ - * arch/sparc64/kernel/sparc64_ksyms.c: Sparc64 specific ksyms support. +/* arch/sparc64/kernel/sparc64_ksyms.c: Sparc64 specific ksyms support. * - * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) + * Copyright (C) 1996, 2007 David S. Miller (davem@davemloft.net) * Copyright (C) 1996 Eddie C. Dost (ecd@skynet.be) * Copyright (C) 1999 Jakub Jelinek (jj@ultra.linux.cz) */ @@ -28,7 +27,6 @@ #include <net/compat.h> #include <asm/oplib.h> -#include <asm/delay.h> #include <asm/system.h> #include <asm/auxio.h> #include <asm/pgtable.h> @@ -124,10 +122,6 @@ EXPORT_SYMBOL(__write_lock); EXPORT_SYMBOL(__write_unlock); EXPORT_SYMBOL(__write_trylock); -/* CPU online map and active count. */ -EXPORT_SYMBOL(cpu_online_map); -EXPORT_SYMBOL(phys_cpu_present_map); - EXPORT_SYMBOL(smp_call_function); #endif /* CONFIG_SMP */ @@ -330,12 +324,6 @@ EXPORT_SYMBOL(memset); EXPORT_SYMBOL(memmove); EXPORT_SYMBOL(strncmp); -/* Delay routines. */ -EXPORT_SYMBOL(__udelay); -EXPORT_SYMBOL(__ndelay); -EXPORT_SYMBOL(__const_udelay); -EXPORT_SYMBOL(__delay); - void VISenter(void); /* RAID code needs this */ EXPORT_SYMBOL(VISenter); diff --git a/arch/sparc64/kernel/sysfs.c b/arch/sparc64/kernel/sysfs.c index cdb1477..52816c7 100644 --- a/arch/sparc64/kernel/sysfs.c +++ b/arch/sparc64/kernel/sysfs.c @@ -193,7 +193,6 @@ static ssize_t show_##NAME(struct sys_device *dev, char *buf) \ } SHOW_CPUDATA_ULONG_NAME(clock_tick, clock_tick); -SHOW_CPUDATA_ULONG_NAME(udelay_val, udelay_val); SHOW_CPUDATA_UINT_NAME(l1_dcache_size, dcache_size); SHOW_CPUDATA_UINT_NAME(l1_dcache_line_size, dcache_line_size); SHOW_CPUDATA_UINT_NAME(l1_icache_size, icache_size); @@ -203,7 +202,6 @@ SHOW_CPUDATA_UINT_NAME(l2_cache_line_size, ecache_line_size); static struct sysdev_attribute cpu_core_attrs[] = { _SYSDEV_ATTR(clock_tick, 0444, show_clock_tick, NULL), - _SYSDEV_ATTR(udelay_val, 0444, show_udelay_val, NULL), _SYSDEV_ATTR(l1_dcache_size, 0444, show_l1_dcache_size, NULL), _SYSDEV_ATTR(l1_dcache_line_size, 0444, show_l1_dcache_line_size, NULL), _SYSDEV_ATTR(l1_icache_size, 0444, show_l1_icache_size, NULL), diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c index a31a043..62e316a 100644 --- a/arch/sparc64/kernel/time.c +++ b/arch/sparc64/kernel/time.c @@ -849,9 +849,6 @@ static unsigned long sparc64_init_timers(void) { struct device_node *dp; unsigned long clock; -#ifdef CONFIG_SMP - extern void smp_tick_init(void); -#endif dp = of_find_node_by_path("/"); if (tlb_type == spitfire) { @@ -874,10 +871,6 @@ static unsigned long sparc64_init_timers(void) clock = of_getintprop_default(dp, "stick-frequency", 0); } -#ifdef CONFIG_SMP - smp_tick_init(); -#endif - return clock; } @@ -1038,10 +1031,31 @@ static void __init setup_clockevent_multiplier(unsigned long hz) sparc64_clockevent.mult = mult; } +static unsigned long tb_ticks_per_usec __read_mostly; + +void __delay(unsigned long loops) +{ + unsigned long bclock, now; + + bclock = tick_ops->get_tick(); + do { + now = tick_ops->get_tick(); + } while ((now-bclock) < loops); +} +EXPORT_SYMBOL(__delay); + +void udelay(unsigned long usecs) +{ + __delay(tb_ticks_per_usec * usecs); +} +EXPORT_SYMBOL(udelay); + void __init time_init(void) { unsigned long clock = sparc64_init_timers(); + tb_ticks_per_usec = clock / USEC_PER_SEC; + timer_ticks_per_nsec_quotient = clocksource_hz2mult(clock, SPARC64_NSEC_PER_CYC_SHIFT); diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c index 00a9e32..6ef2d29 100644 --- a/arch/sparc64/kernel/traps.c +++ b/arch/sparc64/kernel/traps.c @@ -2225,6 +2225,7 @@ void die_if_kernel(char *str, struct pt_regs *regs) notify_die(DIE_OOPS, str, regs, 0, 255, SIGSEGV); __asm__ __volatile__("flushw"); __show_regs(regs); + add_taint(TAINT_DIE); if (regs->tstate & TSTATE_PRIV) { struct reg_window *rw = (struct reg_window *) (regs->u_regs[UREG_FP] + STACK_BIAS); diff --git a/arch/sparc64/kernel/vio.c b/arch/sparc64/kernel/vio.c new file mode 100644 index 0000000..49569b4 --- /dev/null +++ b/arch/sparc64/kernel/vio.c @@ -0,0 +1,395 @@ +/* vio.c: Virtual I/O channel devices probing infrastructure. + * + * Copyright (c) 2003-2005 IBM Corp. + * Dave Engebretsen engebret@us.ibm.com + * Santiago Leon santil@us.ibm.com + * Hollis Blanchard <hollisb@us.ibm.com> + * Stephen Rothwell + * + * Adapted to sparc64 by David S. Miller davem@davemloft.net + */ + +#include <linux/kernel.h> +#include <linux/irq.h> +#include <linux/init.h> + +#include <asm/mdesc.h> +#include <asm/vio.h> + +static inline int find_in_proplist(const char *list, const char *match, + int len) +{ + while (len > 0) { + int l; + + if (!strcmp(list, match)) + return 1; + l = strlen(list) + 1; + list += l; + len -= l; + } + return 0; +} + +static const struct vio_device_id *vio_match_device( + const struct vio_device_id *matches, + const struct vio_dev *dev) +{ + const char *type, *compat; + int len; + + type = dev->type; + compat = dev->compat; + len = dev->compat_len; + + while (matches->type[0] || matches->compat[0]) { + int match = 1; + if (matches->type[0]) + match &= !strcmp(matches->type, type); + + if (matches->compat[0]) { + match &= len && + find_in_proplist(compat, matches->compat, len); + } + if (match) + return matches; + matches++; + } + return NULL; +} + +static int vio_bus_match(struct device *dev, struct device_driver *drv) +{ + struct vio_dev *vio_dev = to_vio_dev(dev); + struct vio_driver *vio_drv = to_vio_driver(drv); + const struct vio_device_id *matches = vio_drv->id_table; + + if (!matches) + return 0; + + return vio_match_device(matches, vio_dev) != NULL; +} + +static int vio_device_probe(struct device *dev) +{ + struct vio_dev *vdev = to_vio_dev(dev); + struct vio_driver *drv = to_vio_driver(dev->driver); + const struct vio_device_id *id; + int error = -ENODEV; + + if (drv->probe) { + id = vio_match_device(drv->id_table, vdev); + if (id) + error = drv->probe(vdev, id); + } + + return error; +} + +static int vio_device_remove(struct device *dev) +{ + struct vio_dev *vdev = to_vio_dev(dev); + struct vio_driver *drv = to_vio_driver(dev->driver); + + if (drv->remove) + return drv->remove(vdev); + + return 1; +} + +static ssize_t devspec_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct vio_dev *vdev = to_vio_dev(dev); + const char *str = "none"; + + if (!strcmp(vdev->type, "network")) + str = "vnet"; + else if (!strcmp(vdev->type, "block")) + str = "vdisk"; + + return sprintf(buf, "%s\n", str); +} + +static ssize_t type_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct vio_dev *vdev = to_vio_dev(dev); + return sprintf(buf, "%s\n", vdev->type); +} + +static struct device_attribute vio_dev_attrs[] = { + __ATTR_RO(devspec), + __ATTR_RO(type), + __ATTR_NULL +}; + +static struct bus_type vio_bus_type = { + .name = "vio", + .dev_attrs = vio_dev_attrs, + .match = vio_bus_match, + .probe = vio_device_probe, + .remove = vio_device_remove, +}; + +int vio_register_driver(struct vio_driver *viodrv) +{ + viodrv->driver.bus = &vio_bus_type; + + return driver_register(&viodrv->driver); +} +EXPORT_SYMBOL(vio_register_driver); + +void vio_unregister_driver(struct vio_driver *viodrv) +{ + driver_unregister(&viodrv->driver); +} +EXPORT_SYMBOL(vio_unregister_driver); + +static void __devinit vio_dev_release(struct device *dev) +{ + kfree(to_vio_dev(dev)); +} + +static ssize_t +show_pciobppath_attr(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct vio_dev *vdev; + struct device_node *dp; + + vdev = to_vio_dev(dev); + dp = vdev->dp; + + return snprintf (buf, PAGE_SIZE, "%s\n", dp->full_name); +} + +static DEVICE_ATTR(obppath, S_IRUSR | S_IRGRP | S_IROTH, + show_pciobppath_attr, NULL); + +struct device_node *cdev_node; + +static struct vio_dev *root_vdev; +static u64 cdev_cfg_handle; + +static void vio_fill_channel_info(struct mdesc_handle *hp, u64 mp, + struct vio_dev *vdev) +{ + u64 a; + + mdesc_for_each_arc(a, hp, mp, MDESC_ARC_TYPE_FWD) { + const u64 *chan_id; + const u64 *irq; + u64 target; + + target = mdesc_arc_target(hp, a); + + irq = mdesc_get_property(hp, target, "tx-ino", NULL); + if (irq) + vdev->tx_irq = sun4v_build_virq(cdev_cfg_handle, *irq); + + irq = mdesc_get_property(hp, target, "rx-ino", NULL); + if (irq) + vdev->rx_irq = sun4v_build_virq(cdev_cfg_handle, *irq); + + chan_id = mdesc_get_property(hp, target, "id", NULL); + if (chan_id) + vdev->channel_id = *chan_id; + } +} + +static struct vio_dev *vio_create_one(struct mdesc_handle *hp, u64 mp, + struct device *parent) +{ + const char *type, *compat; + struct device_node *dp; + struct vio_dev *vdev; + int err, tlen, clen; + + type = mdesc_get_property(hp, mp, "device-type", &tlen); + if (!type) { + type = mdesc_get_property(hp, mp, "name", &tlen); + if (!type) { + type = mdesc_node_name(hp, mp); + tlen = strlen(type) + 1; + } + } + if (tlen > VIO_MAX_TYPE_LEN) { + printk(KERN_ERR "VIO: Type string [%s] is too long.\n", + type); + return NULL; + } + + compat = mdesc_get_property(hp, mp, "device-type", &clen); + if (!compat) { + clen = 0; + } else if (clen > VIO_MAX_COMPAT_LEN) { + printk(KERN_ERR "VIO: Compat len %d for [%s] is too long.\n", + clen, type); + return NULL; + } + + vdev = kzalloc(sizeof(*vdev), GFP_KERNEL); + if (!vdev) { + printk(KERN_ERR "VIO: Could not allocate vio_dev\n"); + return NULL; + } + + vdev->mp = mp; + memcpy(vdev->type, type, tlen); + if (compat) + memcpy(vdev->compat, compat, clen); + else + memset(vdev->compat, 0, sizeof(vdev->compat)); + vdev->compat_len = clen; + + vdev->channel_id = ~0UL; + vdev->tx_irq = ~0; + vdev->rx_irq = ~0; + + vio_fill_channel_info(hp, mp, vdev); + + snprintf(vdev->dev.bus_id, BUS_ID_SIZE, "%lx", mp); + vdev->dev.parent = parent; + vdev->dev.bus = &vio_bus_type; + vdev->dev.release = vio_dev_release; + + if (parent == NULL) { + dp = cdev_node; + } else if (to_vio_dev(parent) == root_vdev) { + dp = of_get_next_child(cdev_node, NULL); + while (dp) { + if (!strcmp(dp->type, type)) + break; + + dp = of_get_next_child(cdev_node, dp); + } + } else { + dp = to_vio_dev(parent)->dp; + } + vdev->dp = dp; + + err = device_register(&vdev->dev); + if (err) { + printk(KERN_ERR "VIO: Could not register device %s, err=%d\n", + vdev->dev.bus_id, err); + kfree(vdev); + return NULL; + } + if (vdev->dp) + err = sysfs_create_file(&vdev->dev.kobj, + &dev_attr_obppath.attr); + + return vdev; +} + +static void walk_tree(struct mdesc_handle *hp, u64 n, struct vio_dev *parent) +{ + u64 a; + + mdesc_for_each_arc(a, hp, n, MDESC_ARC_TYPE_FWD) { + struct vio_dev *vdev; + u64 target; + + target = mdesc_arc_target(hp, a); + vdev = vio_create_one(hp, target, &parent->dev); + if (vdev) + walk_tree(hp, target, vdev); + } +} + +static void create_devices(struct mdesc_handle *hp, u64 root) +{ + u64 mp; + + root_vdev = vio_create_one(hp, root, NULL); + if (!root_vdev) { + printk(KERN_ERR "VIO: Coult not create root device.\n"); + return; + } + + walk_tree(hp, root, root_vdev); + + /* Domain services is odd as it doesn't sit underneath the + * channel-devices node, so we plug it in manually. + */ + mp = mdesc_node_by_name(hp, MDESC_NODE_NULL, "domain-services"); + if (mp != MDESC_NODE_NULL) { + struct vio_dev *parent = vio_create_one(hp, mp, + &root_vdev->dev); + + if (parent) + walk_tree(hp, mp, parent); + } +} + +const char *channel_devices_node = "channel-devices"; +const char *channel_devices_compat = "SUNW,sun4v-channel-devices"; +const char *cfg_handle_prop = "cfg-handle"; + +static int __init vio_init(void) +{ + struct mdesc_handle *hp; + const char *compat; + const u64 *cfg_handle; + int err, len; + u64 root; + + err = bus_register(&vio_bus_type); + if (err) { + printk(KERN_ERR "VIO: Could not register bus type err=%d\n", + err); + return err; + } + + hp = mdesc_grab(); + if (!hp) + return 0; + + root = mdesc_node_by_name(hp, MDESC_NODE_NULL, channel_devices_node); + if (root == MDESC_NODE_NULL) { + printk(KERN_INFO "VIO: No channel-devices MDESC node.\n"); + mdesc_release(hp); + return 0; + } + + cdev_node = of_find_node_by_name(NULL, "channel-devices"); + err = -ENODEV; + if (!cdev_node) { + printk(KERN_INFO "VIO: No channel-devices OBP node.\n"); + goto out_release; + } + + compat = mdesc_get_property(hp, root, "compatible", &len); + if (!compat) { + printk(KERN_ERR "VIO: Channel devices lacks compatible " + "property\n"); + goto out_release; + } + if (!find_in_proplist(compat, channel_devices_compat, len)) { + printk(KERN_ERR "VIO: Channel devices node lacks (%s) " + "compat entry.\n", channel_devices_compat); + goto out_release; + } + + cfg_handle = mdesc_get_property(hp, root, cfg_handle_prop, NULL); + if (!cfg_handle) { + printk(KERN_ERR "VIO: Channel devices lacks %s property\n", + cfg_handle_prop); + goto out_release; + } + + cdev_cfg_handle = *cfg_handle; + + create_devices(hp, root); + + mdesc_release(hp); + + return 0; + +out_release: + mdesc_release(hp); + return err; +} + +postcore_initcall(vio_init); diff --git a/arch/sparc64/kernel/viohs.c b/arch/sparc64/kernel/viohs.c new file mode 100644 index 0000000..15613ad --- /dev/null +++ b/arch/sparc64/kernel/viohs.c @@ -0,0 +1,792 @@ +/* viohs.c: LDOM Virtual I/O handshake helper layer. + * + * Copyright (C) 2007 David S. Miller <davem@davemloft.net> + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/string.h> +#include <linux/delay.h> +#include <linux/sched.h> +#include <linux/slab.h> + +#include <asm/ldc.h> +#include <asm/vio.h> + +int vio_ldc_send(struct vio_driver_state *vio, void *data, int len) +{ + int err, limit = 1000; + + err = -EINVAL; + while (limit-- > 0) { + err = ldc_write(vio->lp, data, len); + if (!err || (err != -EAGAIN)) + break; + udelay(1); + } + + return err; +} +EXPORT_SYMBOL(vio_ldc_send); + +static int send_ctrl(struct vio_driver_state *vio, + struct vio_msg_tag *tag, int len) +{ + tag->sid = vio_send_sid(vio); + return vio_ldc_send(vio, tag, len); +} + +static void init_tag(struct vio_msg_tag *tag, u8 type, u8 stype, u16 stype_env) +{ + tag->type = type; + tag->stype = stype; + tag->stype_env = stype_env; +} + +static int send_version(struct vio_driver_state *vio, u16 major, u16 minor) +{ + struct vio_ver_info pkt; + + vio->_local_sid = (u32) sched_clock(); + + memset(&pkt, 0, sizeof(pkt)); + init_tag(&pkt.tag, VIO_TYPE_CTRL, VIO_SUBTYPE_INFO, VIO_VER_INFO); + pkt.major = major; + pkt.minor = minor; + pkt.dev_class = vio->dev_class; + + viodbg(HS, "SEND VERSION INFO maj[%u] min[%u] devclass[%u]\n", + major, minor, vio->dev_class); + + return send_ctrl(vio, &pkt.tag, sizeof(pkt)); +} + +static int start_handshake(struct vio_driver_state *vio) +{ + int err; + + viodbg(HS, "START HANDSHAKE\n"); + + vio->hs_state = VIO_HS_INVALID; + + err = send_version(vio, + vio->ver_table[0].major, + vio->ver_table[0].minor); + if (err < 0) + return err; + + return 0; +} + +void vio_link_state_change(struct vio_driver_state *vio, int event) +{ + if (event == LDC_EVENT_UP) { + vio->hs_state = VIO_HS_INVALID; + + switch (vio->dev_class) { + case VDEV_NETWORK: + case VDEV_NETWORK_SWITCH: + vio->dr_state = (VIO_DR_STATE_TXREQ | + VIO_DR_STATE_RXREQ); + break; + + case VDEV_DISK: + vio->dr_state = VIO_DR_STATE_TXREQ; + break; + case VDEV_DISK_SERVER: + vio->dr_state = VIO_DR_STATE_RXREQ; + break; + } + start_handshake(vio); + } +} +EXPORT_SYMBOL(vio_link_state_change); + +static int handshake_failure(struct vio_driver_state *vio) +{ + struct vio_dring_state *dr; + + /* XXX Put policy here... Perhaps start a timer to fire + * XXX in 100 ms, which will bring the link up and retry + * XXX the handshake. + */ + + viodbg(HS, "HANDSHAKE FAILURE\n"); + + vio->dr_state &= ~(VIO_DR_STATE_TXREG | + VIO_DR_STATE_RXREG); + + dr = &vio->drings[VIO_DRIVER_RX_RING]; + memset(dr, 0, sizeof(*dr)); + + kfree(vio->desc_buf); + vio->desc_buf = NULL; + vio->desc_buf_len = 0; + + vio->hs_state = VIO_HS_INVALID; + + return -ECONNRESET; +} + +static int process_unknown(struct vio_driver_state *vio, void *arg) +{ + struct vio_msg_tag *pkt = arg; + + viodbg(HS, "UNKNOWN CONTROL [%02x:%02x:%04x:%08x]\n", + pkt->type, pkt->stype, pkt->stype_env, pkt->sid); + + printk(KERN_ERR "vio: ID[%lu] Resetting connection.\n", + vio->vdev->channel_id); + + ldc_disconnect(vio->lp); + + return -ECONNRESET; +} + +static int send_dreg(struct vio_driver_state *vio) +{ + struct vio_dring_state *dr = &vio->drings[VIO_DRIVER_TX_RING]; + union { + struct vio_dring_register pkt; + char all[sizeof(struct vio_dring_register) + + (sizeof(struct ldc_trans_cookie) * + dr->ncookies)]; + } u; + int i; + + memset(&u, 0, sizeof(u)); + init_tag(&u.pkt.tag, VIO_TYPE_CTRL, VIO_SUBTYPE_INFO, VIO_DRING_REG); + u.pkt.dring_ident = 0; + u.pkt.num_descr = dr->num_entries; + u.pkt.descr_size = dr->entry_size; + u.pkt.options = VIO_TX_DRING; + u.pkt.num_cookies = dr->ncookies; + + viodbg(HS, "SEND DRING_REG INFO ndesc[%u] dsz[%u] opt[0x%x] " + "ncookies[%u]\n", + u.pkt.num_descr, u.pkt.descr_size, u.pkt.options, + u.pkt.num_cookies); + + for (i = 0; i < dr->ncookies; i++) { + u.pkt.cookies[i] = dr->cookies[i]; + + viodbg(HS, "DRING COOKIE(%d) [%016llx:%016llx]\n", + i, + (unsigned long long) u.pkt.cookies[i].cookie_addr, + (unsigned long long) u.pkt.cookies[i].cookie_size); + } + + return send_ctrl(vio, &u.pkt.tag, sizeof(u)); +} + +static int send_rdx(struct vio_driver_state *vio) +{ + struct vio_rdx pkt; + + memset(&pkt, 0, sizeof(pkt)); + + init_tag(&pkt.tag, VIO_TYPE_CTRL, VIO_SUBTYPE_INFO, VIO_RDX); + + viodbg(HS, "SEND RDX INFO\n"); + + return send_ctrl(vio, &pkt.tag, sizeof(pkt)); +} + +static int send_attr(struct vio_driver_state *vio) +{ + return vio->ops->send_attr(vio); +} + +static struct vio_version *find_by_major(struct vio_driver_state *vio, + u16 major) +{ + struct vio_version *ret = NULL; + int i; + + for (i = 0; i < vio->ver_table_entries; i++) { + struct vio_version *v = &vio->ver_table[i]; + if (v->major <= major) { + ret = v; + break; + } + } + return ret; +} + +static int process_ver_info(struct vio_driver_state *vio, + struct vio_ver_info *pkt) +{ + struct vio_version *vap; + int err; + + viodbg(HS, "GOT VERSION INFO maj[%u] min[%u] devclass[%u]\n", + pkt->major, pkt->minor, pkt->dev_class); + + if (vio->hs_state != VIO_HS_INVALID) { + /* XXX Perhaps invoke start_handshake? XXX */ + memset(&vio->ver, 0, sizeof(vio->ver)); + vio->hs_state = VIO_HS_INVALID; + } + + vap = find_by_major(vio, pkt->major); + + vio->_peer_sid = pkt->tag.sid; + + if (!vap) { + pkt->tag.stype = VIO_SUBTYPE_NACK; + pkt->major = 0; + pkt->minor = 0; + viodbg(HS, "SEND VERSION NACK maj[0] min[0]\n"); + err = send_ctrl(vio, &pkt->tag, sizeof(*pkt)); + } else if (vap->major != pkt->major) { + pkt->tag.stype = VIO_SUBTYPE_NACK; + pkt->major = vap->major; + pkt->minor = vap->minor; + viodbg(HS, "SEND VERSION NACK maj[%u] min[%u]\n", + pkt->major, pkt->minor); + err = send_ctrl(vio, &pkt->tag, sizeof(*pkt)); + } else { + struct vio_version ver = { + .major = pkt->major, + .minor = pkt->minor, + }; + if (ver.minor > vap->minor) + ver.minor = vap->minor; + pkt->minor = ver.minor; + pkt->tag.stype = VIO_SUBTYPE_ACK; + viodbg(HS, "SEND VERSION ACK maj[%u] min[%u]\n", + pkt->major, pkt->minor); + err = send_ctrl(vio, &pkt->tag, sizeof(*pkt)); + if (err > 0) { + vio->ver = ver; + vio->hs_state = VIO_HS_GOTVERS; + } + } + if (err < 0) + return handshake_failure(vio); + + return 0; +} + +static int process_ver_ack(struct vio_driver_state *vio, + struct vio_ver_info *pkt) +{ + viodbg(HS, "GOT VERSION ACK maj[%u] min[%u] devclass[%u]\n", + pkt->major, pkt->minor, pkt->dev_class); + + if (vio->hs_state & VIO_HS_GOTVERS) { + if (vio->ver.major != pkt->major || + vio->ver.minor != pkt->minor) { + pkt->tag.stype = VIO_SUBTYPE_NACK; + (void) send_ctrl(vio, &pkt->tag, sizeof(*pkt)); + return handshake_failure(vio); + } + } else { + vio->ver.major = pkt->major; + vio->ver.minor = pkt->minor; + vio->hs_state = VIO_HS_GOTVERS; + } + + switch (vio->dev_class) { + case VDEV_NETWORK: + case VDEV_DISK: + if (send_attr(vio) < 0) + return handshake_failure(vio); + break; + + default: + break; + } + + return 0; +} + +static int process_ver_nack(struct vio_driver_state *vio, + struct vio_ver_info *pkt) +{ + struct vio_version *nver; + + viodbg(HS, "GOT VERSION NACK maj[%u] min[%u] devclass[%u]\n", + pkt->major, pkt->minor, pkt->dev_class); + + if ((pkt->major == 0 && pkt->minor == 0) || + !(nver = find_by_major(vio, pkt->major))) + return handshake_failure(vio); + + if (send_version(vio, nver->major, nver->minor) < 0) + return handshake_failure(vio); + + return 0; +} + +static int process_ver(struct vio_driver_state *vio, struct vio_ver_info *pkt) +{ + switch (pkt->tag.stype) { + case VIO_SUBTYPE_INFO: + return process_ver_info(vio, pkt); + + case VIO_SUBTYPE_ACK: + return process_ver_ack(vio, pkt); + + case VIO_SUBTYPE_NACK: + return process_ver_nack(vio, pkt); + + default: + return handshake_failure(vio); + }; +} + +static int process_attr(struct vio_driver_state *vio, void *pkt) +{ + int err; + + if (!(vio->hs_state & VIO_HS_GOTVERS)) + return handshake_failure(vio); + + err = vio->ops->handle_attr(vio, pkt); + if (err < 0) { + return handshake_failure(vio); + } else { + vio->hs_state |= VIO_HS_GOT_ATTR; + + if ((vio->dr_state & VIO_DR_STATE_TXREQ) && + !(vio->hs_state & VIO_HS_SENT_DREG)) { + if (send_dreg(vio) < 0) + return handshake_failure(vio); + + vio->hs_state |= VIO_HS_SENT_DREG; + } + } + return 0; +} + +static int all_drings_registered(struct vio_driver_state *vio) +{ + int need_rx, need_tx; + + need_rx = (vio->dr_state & VIO_DR_STATE_RXREQ); + need_tx = (vio->dr_state & VIO_DR_STATE_TXREQ); + + if (need_rx && + !(vio->dr_state & VIO_DR_STATE_RXREG)) + return 0; + + if (need_tx && + !(vio->dr_state & VIO_DR_STATE_TXREG)) + return 0; + + return 1; +} + +static int process_dreg_info(struct vio_driver_state *vio, + struct vio_dring_register *pkt) +{ + struct vio_dring_state *dr; + int i, len; + + viodbg(HS, "GOT DRING_REG INFO ident[%llx] " + "ndesc[%u] dsz[%u] opt[0x%x] ncookies[%u]\n", + (unsigned long long) pkt->dring_ident, + pkt->num_descr, pkt->descr_size, pkt->options, + pkt->num_cookies); + + if (!(vio->dr_state & VIO_DR_STATE_RXREQ)) + goto send_nack; + + if (vio->dr_state & VIO_DR_STATE_RXREG) + goto send_nack; + + vio->desc_buf = kzalloc(pkt->descr_size, GFP_ATOMIC); + if (!vio->desc_buf) + goto send_nack; + + vio->desc_buf_len = pkt->descr_size; + + dr = &vio->drings[VIO_DRIVER_RX_RING]; + + dr->num_entries = pkt->num_descr; + dr->entry_size = pkt->descr_size; + dr->ncookies = pkt->num_cookies; + for (i = 0; i < dr->ncookies; i++) { + dr->cookies[i] = pkt->cookies[i]; + + viodbg(HS, "DRING COOKIE(%d) [%016llx:%016llx]\n", + i, + (unsigned long long) + pkt->cookies[i].cookie_addr, + (unsigned long long) + pkt->cookies[i].cookie_size); + } + + pkt->tag.stype = VIO_SUBTYPE_ACK; + pkt->dring_ident = ++dr->ident; + + viodbg(HS, "SEND DRING_REG ACK ident[%llx]\n", + (unsigned long long) pkt->dring_ident); + + len = (sizeof(*pkt) + + (dr->ncookies * sizeof(struct ldc_trans_cookie))); + if (send_ctrl(vio, &pkt->tag, len) < 0) + goto send_nack; + + vio->dr_state |= VIO_DR_STATE_RXREG; + + return 0; + +send_nack: + pkt->tag.stype = VIO_SUBTYPE_NACK; + viodbg(HS, "SEND DRING_REG NACK\n"); + (void) send_ctrl(vio, &pkt->tag, sizeof(*pkt)); + + return handshake_failure(vio); +} + +static int process_dreg_ack(struct vio_driver_state *vio, + struct vio_dring_register *pkt) +{ + struct vio_dring_state *dr; + + viodbg(HS, "GOT DRING_REG ACK ident[%llx] " + "ndesc[%u] dsz[%u] opt[0x%x] ncookies[%u]\n", + (unsigned long long) pkt->dring_ident, + pkt->num_descr, pkt->descr_size, pkt->options, + pkt->num_cookies); + + dr = &vio->drings[VIO_DRIVER_TX_RING]; + + if (!(vio->dr_state & VIO_DR_STATE_TXREQ)) + return handshake_failure(vio); + + dr->ident = pkt->dring_ident; + vio->dr_state |= VIO_DR_STATE_TXREG; + + if (all_drings_registered(vio)) { + if (send_rdx(vio) < 0) + return handshake_failure(vio); + vio->hs_state = VIO_HS_SENT_RDX; + } + return 0; +} + +static int process_dreg_nack(struct vio_driver_state *vio, + struct vio_dring_register *pkt) +{ + viodbg(HS, "GOT DRING_REG NACK ident[%llx] " + "ndesc[%u] dsz[%u] opt[0x%x] ncookies[%u]\n", + (unsigned long long) pkt->dring_ident, + pkt->num_descr, pkt->descr_size, pkt->options, + pkt->num_cookies); + + return handshake_failure(vio); +} + +static int process_dreg(struct vio_driver_state *vio, + struct vio_dring_register *pkt) +{ + if (!(vio->hs_state & VIO_HS_GOTVERS)) + return handshake_failure(vio); + + switch (pkt->tag.stype) { + case VIO_SUBTYPE_INFO: + return process_dreg_info(vio, pkt); + + case VIO_SUBTYPE_ACK: + return process_dreg_ack(vio, pkt); + + case VIO_SUBTYPE_NACK: + return process_dreg_nack(vio, pkt); + + default: + return handshake_failure(vio); + } +} + +static int process_dunreg(struct vio_driver_state *vio, + struct vio_dring_unregister *pkt) +{ + struct vio_dring_state *dr = &vio->drings[VIO_DRIVER_RX_RING]; + + viodbg(HS, "GOT DRING_UNREG\n"); + + if (pkt->dring_ident != dr->ident) + return 0; + + vio->dr_state &= ~VIO_DR_STATE_RXREG; + + memset(dr, 0, sizeof(*dr)); + + kfree(vio->desc_buf); + vio->desc_buf = NULL; + vio->desc_buf_len = 0; + + return 0; +} + +static int process_rdx_info(struct vio_driver_state *vio, struct vio_rdx *pkt) +{ + viodbg(HS, "GOT RDX INFO\n"); + + pkt->tag.stype = VIO_SUBTYPE_ACK; + viodbg(HS, "SEND RDX ACK\n"); + if (send_ctrl(vio, &pkt->tag, sizeof(*pkt)) < 0) + return handshake_failure(vio); + + vio->hs_state |= VIO_HS_SENT_RDX_ACK; + return 0; +} + +static int process_rdx_ack(struct vio_driver_state *vio, struct vio_rdx *pkt) +{ + viodbg(HS, "GOT RDX ACK\n"); + + if (!(vio->hs_state & VIO_HS_SENT_RDX)) + return handshake_failure(vio); + + vio->hs_state |= VIO_HS_GOT_RDX_ACK; + return 0; +} + +static int process_rdx_nack(struct vio_driver_state *vio, struct vio_rdx *pkt) +{ + viodbg(HS, "GOT RDX NACK\n"); + + return handshake_failure(vio); +} + +static int process_rdx(struct vio_driver_state *vio, struct vio_rdx *pkt) +{ + if (!all_drings_registered(vio)) + handshake_failure(vio); + + switch (pkt->tag.stype) { + case VIO_SUBTYPE_INFO: + return process_rdx_info(vio, pkt); + + case VIO_SUBTYPE_ACK: + return process_rdx_ack(vio, pkt); + + case VIO_SUBTYPE_NACK: + return process_rdx_nack(vio, pkt); + + default: + return handshake_failure(vio); + } +} + +int vio_control_pkt_engine(struct vio_driver_state *vio, void *pkt) +{ + struct vio_msg_tag *tag = pkt; + u8 prev_state = vio->hs_state; + int err; + + switch (tag->stype_env) { + case VIO_VER_INFO: + err = process_ver(vio, pkt); + break; + + case VIO_ATTR_INFO: + err = process_attr(vio, pkt); + break; + + case VIO_DRING_REG: + err = process_dreg(vio, pkt); + break; + + case VIO_DRING_UNREG: + err = process_dunreg(vio, pkt); + break; + + case VIO_RDX: + err = process_rdx(vio, pkt); + break; + + default: + err = process_unknown(vio, pkt); + break; + } + if (!err && + vio->hs_state != prev_state && + (vio->hs_state & VIO_HS_COMPLETE)) + vio->ops->handshake_complete(vio); + + return err; +} +EXPORT_SYMBOL(vio_control_pkt_engine); + +void vio_conn_reset(struct vio_driver_state *vio) +{ +} +EXPORT_SYMBOL(vio_conn_reset); + +/* The issue is that the Solaris virtual disk server just mirrors the + * SID values it gets from the client peer. So we work around that + * here in vio_{validate,send}_sid() so that the drivers don't need + * to be aware of this crap. + */ +int vio_validate_sid(struct vio_driver_state *vio, struct vio_msg_tag *tp) +{ + u32 sid; + + /* Always let VERSION+INFO packets through unchecked, they + * define the new SID. + */ + if (tp->type == VIO_TYPE_CTRL && + tp->stype == VIO_SUBTYPE_INFO && + tp->stype_env == VIO_VER_INFO) + return 0; + + /* Ok, now figure out which SID to use. */ + switch (vio->dev_class) { + case VDEV_NETWORK: + case VDEV_NETWORK_SWITCH: + case VDEV_DISK_SERVER: + default: + sid = vio->_peer_sid; + break; + + case VDEV_DISK: + sid = vio->_local_sid; + break; + } + + if (sid == tp->sid) + return 0; + viodbg(DATA, "BAD SID tag->sid[%08x] peer_sid[%08x] local_sid[%08x]\n", + tp->sid, vio->_peer_sid, vio->_local_sid); + return -EINVAL; +} +EXPORT_SYMBOL(vio_validate_sid); + +u32 vio_send_sid(struct vio_driver_state *vio) +{ + switch (vio->dev_class) { + case VDEV_NETWORK: + case VDEV_NETWORK_SWITCH: + case VDEV_DISK: + default: + return vio->_local_sid; + + case VDEV_DISK_SERVER: + return vio->_peer_sid; + } +} +EXPORT_SYMBOL(vio_send_sid); + +extern int vio_ldc_alloc(struct vio_driver_state *vio, + struct ldc_channel_config *base_cfg, + void *event_arg) +{ + struct ldc_channel_config cfg = *base_cfg; + struct ldc_channel *lp; + + cfg.tx_irq = vio->vdev->tx_irq; + cfg.rx_irq = vio->vdev->rx_irq; + + lp = ldc_alloc(vio->vdev->channel_id, &cfg, event_arg); + if (IS_ERR(lp)) + return PTR_ERR(lp); + + vio->lp = lp; + + return 0; +} +EXPORT_SYMBOL(vio_ldc_alloc); + +void vio_ldc_free(struct vio_driver_state *vio) +{ + ldc_free(vio->lp); + vio->lp = NULL; + + kfree(vio->desc_buf); + vio->desc_buf = NULL; + vio->desc_buf_len = 0; +} +EXPORT_SYMBOL(vio_ldc_free); + +void vio_port_up(struct vio_driver_state *vio) +{ + unsigned long flags; + int err, state; + + spin_lock_irqsave(&vio->lock, flags); + + state = ldc_state(vio->lp); + + err = 0; + if (state == LDC_STATE_INIT) { + err = ldc_bind(vio->lp, vio->name); + if (err) + printk(KERN_WARNING "%s: Port %lu bind failed, " + "err=%d\n", + vio->name, vio->vdev->channel_id, err); + } + + if (!err) { + err = ldc_connect(vio->lp); + if (err) + printk(KERN_WARNING "%s: Port %lu connect failed, " + "err=%d\n", + vio->name, vio->vdev->channel_id, err); + } + if (err) { + unsigned long expires = jiffies + HZ; + + expires = round_jiffies(expires); + mod_timer(&vio->timer, expires); + } + + spin_unlock_irqrestore(&vio->lock, flags); +} +EXPORT_SYMBOL(vio_port_up); + +static void vio_port_timer(unsigned long _arg) +{ + struct vio_driver_state *vio = (struct vio_driver_state *) _arg; + + vio_port_up(vio); +} + +int vio_driver_init(struct vio_driver_state *vio, struct vio_dev *vdev, + u8 dev_class, struct vio_version *ver_table, + int ver_table_size, struct vio_driver_ops *ops, + char *name) +{ + switch (dev_class) { + case VDEV_NETWORK: + case VDEV_NETWORK_SWITCH: + case VDEV_DISK: + case VDEV_DISK_SERVER: + break; + + default: + return -EINVAL; + } + + if (!ops->send_attr || + !ops->handle_attr || + !ops->handshake_complete) + return -EINVAL; + + if (!ver_table || ver_table_size < 0) + return -EINVAL; + + if (!name) + return -EINVAL; + + spin_lock_init(&vio->lock); + + vio->name = name; + + vio->dev_class = dev_class; + vio->vdev = vdev; + + vio->ver_table = ver_table; + vio->ver_table_entries = ver_table_size; + + vio->ops = ops; + + setup_timer(&vio->timer, vio_port_timer, (unsigned long) vio); + + return 0; +} +EXPORT_SYMBOL(vio_driver_init); diff --git a/arch/sparc64/lib/Makefile b/arch/sparc64/lib/Makefile index 4a725d8..c4a6d6e 100644 --- a/arch/sparc64/lib/Makefile +++ b/arch/sparc64/lib/Makefile @@ -14,6 +14,6 @@ lib-y := PeeCeeI.o copy_page.o clear_page.o strlen.o strncmp.o \ NGmemcpy.o NGcopy_from_user.o NGcopy_to_user.o NGpatch.o \ NGpage.o NGbzero.o \ copy_in_user.o user_fixup.o memmove.o \ - mcount.o ipcsum.o rwsem.o xor.o delay.o + mcount.o ipcsum.o rwsem.o xor.o obj-y += iomap.o diff --git a/arch/sparc64/lib/delay.c b/arch/sparc64/lib/delay.c deleted file mode 100644 index fb27e54..0000000 --- a/arch/sparc64/lib/delay.c +++ /dev/null @@ -1,46 +0,0 @@ -/* delay.c: Delay loops for sparc64 - * - * Copyright (C) 2004, 2006 David S. Miller <davem@davemloft.net> - * - * Based heavily upon x86 variant which is: - * Copyright (C) 1993 Linus Torvalds - * Copyright (C) 1997 Martin Mares <mj@atrey.karlin.mff.cuni.cz> - */ - -#include <linux/delay.h> -#include <asm/timer.h> - -void __delay(unsigned long loops) -{ - unsigned long bclock, now; - - bclock = tick_ops->get_tick(); - do { - now = tick_ops->get_tick(); - } while ((now-bclock) < loops); -} - -/* We used to multiply by HZ after shifting down by 32 bits - * but that runs into problems for higher values of HZ and - * slow cpus. - */ -void __const_udelay(unsigned long n) -{ - n *= 4; - - n *= (cpu_data(raw_smp_processor_id()).udelay_val * (HZ/4)); - n >>= 32; - - __delay(n + 1); -} - -void __udelay(unsigned long n) -{ - __const_udelay(n * 0x10c7UL); -} - - -void __ndelay(unsigned long n) -{ - __const_udelay(n * 0x5UL); -} diff --git a/arch/sparc64/prom/misc.c b/arch/sparc64/prom/misc.c index f3e0c14..33c5b7d 100644 --- a/arch/sparc64/prom/misc.c +++ b/arch/sparc64/prom/misc.c @@ -14,6 +14,7 @@ #include <asm/openprom.h> #include <asm/oplib.h> #include <asm/system.h> +#include <asm/ldc.h> int prom_service_exists(const char *service_name) { @@ -37,6 +38,10 @@ void prom_sun4v_guest_soft_state(void) /* Reset and reboot the machine with the command 'bcommand'. */ void prom_reboot(const char *bcommand) { +#ifdef CONFIG_SUN_LDOMS + if (ldom_domaining_enabled) + ldom_reboot(bcommand); +#endif p1275_cmd("boot", P1275_ARG(0, P1275_ARG_IN_STRING) | P1275_INOUT(1, 0), bcommand); } @@ -91,6 +96,10 @@ void prom_cmdline(void) */ void prom_halt(void) { +#ifdef CONFIG_SUN_LDOMS + if (ldom_domaining_enabled) + ldom_power_off(); +#endif again: p1275_cmd("exit", P1275_INOUT(0, 0)); goto again; /* PROM is out to get me -DaveM */ @@ -98,6 +107,10 @@ again: void prom_halt_power_off(void) { +#ifdef CONFIG_SUN_LDOMS + if (ldom_domaining_enabled) + ldom_power_off(); +#endif p1275_cmd("SUNW,power-off", P1275_INOUT(0, 0)); /* if nothing else helps, we just halt */ diff --git a/arch/sparc64/prom/p1275.c b/arch/sparc64/prom/p1275.c index 2b32c48..7fcccc0 100644 --- a/arch/sparc64/prom/p1275.c +++ b/arch/sparc64/prom/p1275.c @@ -16,6 +16,7 @@ #include <asm/system.h> #include <asm/spitfire.h> #include <asm/pstate.h> +#include <asm/ldc.h> struct { long prom_callback; /* 0x00 */ diff --git a/arch/sparc64/prom/tree.c b/arch/sparc64/prom/tree.c index 500f05e..17b7ecf 100644 --- a/arch/sparc64/prom/tree.c +++ b/arch/sparc64/prom/tree.c @@ -13,6 +13,7 @@ #include <asm/openprom.h> #include <asm/oplib.h> +#include <asm/ldc.h> /* Return the child of node 'node' or zero if no this node has no * direct descendent. @@ -261,9 +262,17 @@ int prom_node_has_property(int node, const char *prop) int prom_setprop(int node, const char *pname, char *value, int size) { - if(size == 0) return 0; - if((pname == 0) || (value == 0)) return 0; + if (size == 0) + return 0; + if ((pname == 0) || (value == 0)) + return 0; +#ifdef CONFIG_SUN_LDOMS + if (ldom_domaining_enabled) { + ldom_set_var(pname, value); + return 0; + } +#endif return p1275_cmd ("setprop", P1275_ARG(1,P1275_ARG_IN_STRING)| P1275_ARG(2,P1275_ARG_IN_BUF)| P1275_INOUT(4, 1), diff --git a/arch/um/Kconfig.debug b/arch/um/Kconfig.debug index 09c1aca..c86f5eb2 100644 --- a/arch/um/Kconfig.debug +++ b/arch/um/Kconfig.debug @@ -47,4 +47,13 @@ config GCOV If you're involved in UML kernel development and want to use gcov, say Y. If you're unsure, say N. +config DEBUG_STACK_USAGE + bool "Stack utilization instrumentation" + default N + help + Track the maximum kernel stack usage - this will look at each + kernel stack at process exit and log it if it's the deepest + stack seen so far. + + This option will slow down process creation and destruction somewhat. endmenu diff --git a/arch/um/config.release b/arch/um/config.release deleted file mode 100644 index fc68bcb..0000000 --- a/arch/um/config.release +++ /dev/null @@ -1,333 +0,0 @@ -# -# Automatically generated make config: don't edit -# -CONFIG_USERMODE=y -# CONFIG_ISA is not set -# CONFIG_SBUS is not set -# CONFIG_PCI is not set -CONFIG_UID16=y -CONFIG_RWSEM_XCHGADD_ALGORITHM=y - -# -# Code maturity level options -# -CONFIG_EXPERIMENTAL=y - -# -# General Setup -# -CONFIG_STDIO_CONSOLE=y -CONFIG_NET=y -CONFIG_SYSVIPC=y -CONFIG_BSD_PROCESS_ACCT=y -CONFIG_SYSCTL=y -CONFIG_BINFMT_AOUT=y -CONFIG_BINFMT_ELF=y -CONFIG_BINFMT_MISC=y -CONFIG_UNIX98_PTYS=y -CONFIG_UNIX98_PTY_COUNT=256 -CONFIG_SSL=y -CONFIG_HOSTFS=y -CONFIG_MCONSOLE=y -CONFIG_MAGIC_SYSRQ=y -# CONFIG_HOST_2G_2G is not set -# CONFIG_UML_SMP is not set -# CONFIG_SMP is not set -CONFIG_CON_ZERO_CHAN="fd:0,fd:1" -CONFIG_CON_CHAN="xterm" -CONFIG_SSL_CHAN="pty" -CONFIG_NEST_LEVEL=0 -CONFIG_KERNEL_HALF_GIGS=1 - -# -# Loadable module support -# -CONFIG_MODULES=y -CONFIG_KMOD=y - -# -# Devices -# -CONFIG_BLK_DEV_UBD=y -# CONFIG_BLK_DEV_UBD_SYNC is not set -CONFIG_BLK_DEV_LOOP=y -CONFIG_BLK_DEV_NBD=y -CONFIG_BLK_DEV_RAM=y -CONFIG_BLK_DEV_RAM_SIZE=4096 -CONFIG_BLK_DEV_INITRD=y -# CONFIG_MMAPPER is not set -CONFIG_UML_SOUND=y -CONFIG_SOUND=y -CONFIG_HOSTAUDIO=y -# CONFIG_UML_WATCHDOG is not set -# CONFIG_TTY_LOG is not set -CONFIG_FD_CHAN=y -# CONFIG_NULL_CHAN is not set -CONFIG_PORT_CHAN=y -CONFIG_PTY_CHAN=y -CONFIG_TTY_CHAN=y -CONFIG_XTERM_CHAN=y - -# -# Networking options -# -CONFIG_PACKET=y -CONFIG_PACKET_MMAP=y -# CONFIG_NETLINK_DEV is not set -# CONFIG_NETFILTER is not set -# CONFIG_FILTER is not set -CONFIG_UNIX=y -CONFIG_INET=y -# CONFIG_IP_MULTICAST is not set -# CONFIG_IP_ADVANCED_ROUTER is not set -# CONFIG_IP_PNP is not set -# CONFIG_NET_IPIP is not set -# CONFIG_NET_IPGRE is not set -# CONFIG_ARPD is not set -# CONFIG_INET_ECN is not set -# CONFIG_SYN_COOKIES is not set -# CONFIG_IPV6 is not set -# CONFIG_KHTTPD is not set -# CONFIG_ATM is not set -# CONFIG_VLAN_8021Q is not set - -# -# -# -# CONFIG_IPX is not set -# CONFIG_ATALK is not set -# CONFIG_DECNET is not set -# CONFIG_BRIDGE is not set -# CONFIG_X25 is not set -# CONFIG_LAPB is not set -# CONFIG_LLC is not set -# CONFIG_NET_DIVERT is not set -# CONFIG_ECONET is not set -# CONFIG_WAN_ROUTER is not set -# CONFIG_NET_HW_FLOWCONTROL is not set - -# -# QoS and/or fair queueing -# -# CONFIG_NET_SCHED is not set - -# -# Network device support -# -CONFIG_UML_NET=y -CONFIG_UML_NET_ETHERTAP=y -CONFIG_UML_NET_TUNTAP=y -CONFIG_UML_NET_SLIP=y -CONFIG_UML_NET_DAEMON=y -CONFIG_UML_NET_MCAST=y -CONFIG_NETDEVICES=y - -# -# ARCnet devices -# -# CONFIG_ARCNET is not set -CONFIG_DUMMY=y -CONFIG_BONDING=m -CONFIG_EQUALIZER=m -CONFIG_TUN=y -# CONFIG_ETHERTAP is not set - -# -# Ethernet (10 or 100Mbit) -# -# CONFIG_NET_ETHERNET is not set - -# -# Ethernet (1000 Mbit) -# -# CONFIG_ACENIC is not set -# CONFIG_DL2K is not set -# CONFIG_MYRI_SBUS is not set -# CONFIG_NS83820 is not set -# CONFIG_HAMACHI is not set -# CONFIG_YELLOWFIN is not set -# CONFIG_SK98LIN is not set -# CONFIG_FDDI is not set -# CONFIG_HIPPI is not set -CONFIG_PLIP=m -CONFIG_PPP=m -CONFIG_PPP_MULTILINK=y -# CONFIG_PPP_FILTER is not set -# CONFIG_PPP_ASYNC is not set -CONFIG_PPP_SYNC_TTY=m -CONFIG_PPP_DEFLATE=m -CONFIG_PPP_BSDCOMP=m -CONFIG_PPPOE=m -CONFIG_SLIP=m -CONFIG_SLIP_COMPRESSED=y -CONFIG_SLIP_SMART=y -# CONFIG_SLIP_MODE_SLIP6 is not set - -# -# Wireless LAN (non-hamradio) -# -# CONFIG_NET_RADIO is not set - -# -# Token Ring devices -# -# CONFIG_TR is not set -# CONFIG_NET_FC is not set -# CONFIG_RCPCI is not set -CONFIG_SHAPER=m - -# -# Wan interfaces -# -# CONFIG_WAN is not set - -# -# File systems -# -CONFIG_QUOTA=y -CONFIG_AUTOFS_FS=m -CONFIG_AUTOFS4_FS=m -CONFIG_REISERFS_FS=m -# CONFIG_REISERFS_CHECK is not set -# CONFIG_REISERFS_PROC_INFO is not set -CONFIG_ADFS_FS=m -# CONFIG_ADFS_FS_RW is not set -CONFIG_AFFS_FS=m -CONFIG_HFS_FS=m -CONFIG_BFS_FS=m -CONFIG_EXT3_FS=y -CONFIG_JBD=y -# CONFIG_JBD_DEBUG is not set -CONFIG_FAT_FS=y -CONFIG_MSDOS_FS=y -CONFIG_UMSDOS_FS=y -CONFIG_VFAT_FS=y -CONFIG_EFS_FS=m -# CONFIG_JFFS_FS is not set -# CONFIG_JFFS2_FS is not set -CONFIG_CRAMFS=m -CONFIG_TMPFS=y -CONFIG_RAMFS=m -CONFIG_ISO9660_FS=y -# CONFIG_JOLIET is not set -# CONFIG_ZISOFS is not set -CONFIG_MINIX_FS=m -CONFIG_VXFS_FS=m -# CONFIG_NTFS_FS is not set -# CONFIG_NTFS_RW is not set -CONFIG_HPFS_FS=m -CONFIG_PROC_FS=y -CONFIG_DEVFS_FS=y -CONFIG_DEVFS_MOUNT=y -# CONFIG_DEVFS_DEBUG is not set -CONFIG_DEVPTS_FS=y -CONFIG_QNX4FS_FS=m -# CONFIG_QNX4FS_RW is not set -CONFIG_ROMFS_FS=m -CONFIG_EXT2_FS=y -CONFIG_SYSV_FS=m -CONFIG_UDF_FS=m -CONFIG_UFS_FS=m -# CONFIG_UFS_FS_WRITE is not set - -# -# Network File Systems -# -# CONFIG_CODA_FS is not set -# CONFIG_INTERMEZZO_FS is not set -CONFIG_NFS_FS=y -CONFIG_NFS_V3=y -# CONFIG_ROOT_NFS is not set -CONFIG_NFSD=y -CONFIG_NFSD_V3=y -CONFIG_SUNRPC=y -CONFIG_LOCKD=y -CONFIG_LOCKD_V4=y -# CONFIG_SMB_FS is not set -# CONFIG_NCP_FS is not set -# CONFIG_NCPFS_PACKET_SIGNING is not set -# CONFIG_NCPFS_IOCTL_LOCKING is not set -# CONFIG_NCPFS_STRONG is not set -# CONFIG_NCPFS_NFS_NS is not set -# CONFIG_NCPFS_OS2_NS is not set -# CONFIG_NCPFS_SMALLDOS is not set -# CONFIG_NCPFS_NLS is not set -# CONFIG_NCPFS_EXTRAS is not set -# CONFIG_ZISOFS_FS is not set -CONFIG_ZLIB_FS_INFLATE=m - -# -# Partition Types -# -# CONFIG_PARTITION_ADVANCED is not set -CONFIG_MSDOS_PARTITION=y -# CONFIG_SMB_NLS is not set -CONFIG_NLS=y - -# -# Native Language Support -# -CONFIG_NLS_DEFAULT="iso8859-1" -# CONFIG_NLS_CODEPAGE_437 is not set -# CONFIG_NLS_CODEPAGE_737 is not set -# CONFIG_NLS_CODEPAGE_775 is not set -# CONFIG_NLS_CODEPAGE_850 is not set -# CONFIG_NLS_CODEPAGE_852 is not set -# CONFIG_NLS_CODEPAGE_855 is not set -# CONFIG_NLS_CODEPAGE_857 is not set -# CONFIG_NLS_CODEPAGE_860 is not set -# CONFIG_NLS_CODEPAGE_861 is not set -# CONFIG_NLS_CODEPAGE_862 is not set -# CONFIG_NLS_CODEPAGE_863 is not set -# CONFIG_NLS_CODEPAGE_864 is not set -# CONFIG_NLS_CODEPAGE_865 is not set -# CONFIG_NLS_CODEPAGE_866 is not set -# CONFIG_NLS_CODEPAGE_869 is not set -# CONFIG_NLS_CODEPAGE_936 is not set -# CONFIG_NLS_CODEPAGE_950 is not set -# CONFIG_NLS_CODEPAGE_932 is not set -# CONFIG_NLS_CODEPAGE_949 is not set -# CONFIG_NLS_CODEPAGE_874 is not set -# CONFIG_NLS_ISO8859_8 is not set -# CONFIG_NLS_CODEPAGE_1250 is not set -# CONFIG_NLS_CODEPAGE_1251 is not set -# CONFIG_NLS_ISO8859_1 is not set -# CONFIG_NLS_ISO8859_2 is not set -# CONFIG_NLS_ISO8859_3 is not set -# CONFIG_NLS_ISO8859_4 is not set -# CONFIG_NLS_ISO8859_5 is not set -# CONFIG_NLS_ISO8859_6 is not set -# CONFIG_NLS_ISO8859_7 is not set -# CONFIG_NLS_ISO8859_9 is not set -# CONFIG_NLS_ISO8859_13 is not set -# CONFIG_NLS_ISO8859_14 is not set -# CONFIG_NLS_ISO8859_15 is not set -# CONFIG_NLS_KOI8_R is not set -# CONFIG_NLS_KOI8_U is not set -# CONFIG_NLS_UTF8 is not set - -# -# Multi-device support (RAID and LVM) -# -# CONFIG_MD is not set -# CONFIG_BLK_DEV_MD is not set -# CONFIG_MD_LINEAR is not set -# CONFIG_MD_RAID0 is not set -# CONFIG_MD_RAID1 is not set -# CONFIG_MD_RAID5 is not set -# CONFIG_MD_MULTIPATH is not set -# CONFIG_BLK_DEV_LVM is not set - -# -# Memory Technology Devices (MTD) -# -# CONFIG_MTD is not set - -# -# Kernel hacking -# -# CONFIG_DEBUG_SLAB is not set -# CONFIG_DEBUG_INFO is not set -# CONFIG_PT_PROXY is not set -# CONFIG_GPROF is not set -# CONFIG_GCOV is not set diff --git a/arch/um/defconfig b/arch/um/defconfig index a54d0ef..a25cd25 100644 --- a/arch/um/defconfig +++ b/arch/um/defconfig @@ -189,7 +189,7 @@ CONFIG_XTERM_CHAN=y # CONFIG_NOCONFIG_CHAN is not set CONFIG_CON_ZERO_CHAN="fd:0,fd:1" CONFIG_CON_CHAN="xterm" -CONFIG_SSL_CHAN="pty" +CONFIG_SSL_CHAN="pts" CONFIG_UNIX98_PTYS=y CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=256 @@ -527,3 +527,4 @@ CONFIG_FORCED_INLINING=y # CONFIG_RCU_TORTURE_TEST is not set # CONFIG_GPROF is not set # CONFIG_GCOV is not set +# CONFIG_DEBUG_STACK_USAGE is not set diff --git a/arch/um/drivers/chan_kern.c b/arch/um/drivers/chan_kern.c index 3aa3516..368d3e9 100644 --- a/arch/um/drivers/chan_kern.c +++ b/arch/um/drivers/chan_kern.c @@ -203,22 +203,37 @@ void chan_enable_winch(struct list_head *chans, struct tty_struct *tty) } } -void enable_chan(struct line *line) +int enable_chan(struct line *line) { struct list_head *ele; struct chan *chan; + int err; list_for_each(ele, &line->chan_list){ chan = list_entry(ele, struct chan, list); - if(open_one_chan(chan)) + err = open_one_chan(chan); + if (err) { + if (chan->primary) + goto out_close; + continue; + } if(chan->enabled) continue; - line_setup_irq(chan->fd, chan->input, chan->output, line, - chan); + err = line_setup_irq(chan->fd, chan->input, chan->output, line, + chan); + if (err) + goto out_close; + chan->enabled = 1; } + + return 0; + + out_close: + close_chan(&line->chan_list, 0); + return err; } /* Items are added in IRQ context, when free_irq can't be called, and diff --git a/arch/um/drivers/chan_user.c b/arch/um/drivers/chan_user.c index 13f0bf8..4d438f3 100644 --- a/arch/um/drivers/chan_user.c +++ b/arch/um/drivers/chan_user.c @@ -51,19 +51,21 @@ error: /* * UML SIGWINCH handling * - * The point of this is to handle SIGWINCH on consoles which have host ttys and - * relay them inside UML to whatever might be running on the console and cares - * about the window size (since SIGWINCH notifies about terminal size changes). + * The point of this is to handle SIGWINCH on consoles which have host + * ttys and relay them inside UML to whatever might be running on the + * console and cares about the window size (since SIGWINCH notifies + * about terminal size changes). * - * So, we have a separate thread for each host tty attached to a UML device - * (side-issue - I'm annoyed that one thread can't have multiple controlling - * ttys for purposed of handling SIGWINCH, but I imagine there are other reasons - * that doesn't make any sense). + * So, we have a separate thread for each host tty attached to a UML + * device (side-issue - I'm annoyed that one thread can't have + * multiple controlling ttys for the purpose of handling SIGWINCH, but + * I imagine there are other reasons that doesn't make any sense). * - * SIGWINCH can't be received synchronously, so you have to set up to receive it - * as a signal. That being the case, if you are going to wait for it, it is - * convenient to sit in sigsuspend() and wait for the signal to bounce you out of - * it (see below for how we make sure to exit only on SIGWINCH). + * SIGWINCH can't be received synchronously, so you have to set up to + * receive it as a signal. That being the case, if you are going to + * wait for it, it is convenient to sit in sigsuspend() and wait for + * the signal to bounce you out of it (see below for how we make sure + * to exit only on SIGWINCH). */ static void winch_handler(int sig) @@ -112,7 +114,8 @@ static int winch_thread(void *arg) err = os_new_tty_pgrp(pty_fd, os_getpid()); if(err < 0){ - printk("winch_thread : new_tty_pgrp failed, err = %d\n", -err); + printk("winch_thread : new_tty_pgrp failed on fd %d, " + "err = %d\n", pty_fd, -err); exit(1); } @@ -126,8 +129,9 @@ static int winch_thread(void *arg) "err = %d\n", -count); while(1){ - /* This will be interrupted by SIGWINCH only, since other signals - * are blocked.*/ + /* This will be interrupted by SIGWINCH only, since + * other signals are blocked. + */ sigsuspend(&sigs); count = os_write_file(pipe_fd, &c, sizeof(c)); @@ -137,10 +141,10 @@ static int winch_thread(void *arg) } } -static int winch_tramp(int fd, struct tty_struct *tty, int *fd_out) +static int winch_tramp(int fd, struct tty_struct *tty, int *fd_out, + unsigned long *stack_out) { struct winch_data data; - unsigned long stack; int fds[2], n, err; char c; @@ -153,9 +157,11 @@ static int winch_tramp(int fd, struct tty_struct *tty, int *fd_out) data = ((struct winch_data) { .pty_fd = fd, .pipe_fd = fds[1] } ); /* CLONE_FILES so this thread doesn't hold open files which are open - * now, but later closed. This is a problem with /dev/net/tun. + * now, but later closed in a different thread. This is a + * problem with /dev/net/tun, which if held open by this + * thread, prevents the TUN/TAP device from being reused. */ - err = run_helper_thread(winch_thread, &data, CLONE_FILES, &stack, 0); + err = run_helper_thread(winch_thread, &data, CLONE_FILES, stack_out); if(err < 0){ printk("fork of winch_thread failed - errno = %d\n", -err); goto out_close; @@ -170,7 +176,13 @@ static int winch_tramp(int fd, struct tty_struct *tty, int *fd_out) err = -EINVAL; goto out_close; } - return err ; + + if (os_set_fd_block(*fd_out, 0)) { + printk("winch_tramp: failed to set thread_fd non-blocking.\n"); + goto out_close; + } + + return err; out_close: os_close_file(fds[1]); @@ -181,25 +193,25 @@ static int winch_tramp(int fd, struct tty_struct *tty, int *fd_out) void register_winch(int fd, struct tty_struct *tty) { - int pid, thread, thread_fd = -1; - int count; + unsigned long stack; + int pid, thread, count, thread_fd = -1; char c = 1; if(!isatty(fd)) return; pid = tcgetpgrp(fd); - if(!CHOOSE_MODE_PROC(is_tracer_winch, is_skas_winch, pid, fd, - tty) && (pid == -1)){ - thread = winch_tramp(fd, tty, &thread_fd); - if(thread > 0){ - register_winch_irq(thread_fd, fd, thread, tty); - - count = os_write_file(thread_fd, &c, sizeof(c)); - if(count != sizeof(c)) - printk("register_winch : failed to write " - "synchronization byte, err = %d\n", - -count); - } + if (!CHOOSE_MODE_PROC(is_tracer_winch, is_skas_winch, pid, fd, tty) && + (pid == -1)) { + thread = winch_tramp(fd, tty, &thread_fd, &stack); + if (thread < 0) + return; + + register_winch_irq(thread_fd, fd, thread, tty, stack); + + count = os_write_file(thread_fd, &c, sizeof(c)); + if(count != sizeof(c)) + printk("register_winch : failed to write " + "synchronization byte, err = %d\n", -count); } } diff --git a/arch/um/drivers/cow_sys.h b/arch/um/drivers/cow_sys.h index 1545384..ca8c9e1 100644 --- a/arch/um/drivers/cow_sys.h +++ b/arch/um/drivers/cow_sys.h @@ -8,7 +8,7 @@ static inline void *cow_malloc(int size) { - return um_kmalloc(size); + return kmalloc(size, UM_GFP_KERNEL); } static inline void cow_free(void *ptr) diff --git a/arch/um/drivers/daemon_user.c b/arch/um/drivers/daemon_user.c index b869e38..8d2008f 100644 --- a/arch/um/drivers/daemon_user.c +++ b/arch/um/drivers/daemon_user.c @@ -35,7 +35,7 @@ static struct sockaddr_un *new_addr(void *name, int len) { struct sockaddr_un *sun; - sun = um_kmalloc(sizeof(struct sockaddr_un)); + sun = kmalloc(sizeof(struct sockaddr_un), UM_GFP_KERNEL); if(sun == NULL){ printk("new_addr: allocation of sockaddr_un failed\n"); return NULL; @@ -83,7 +83,7 @@ static int connect_to_switch(struct daemon_data *pri) goto out_close; } - sun = um_kmalloc(sizeof(struct sockaddr_un)); + sun = kmalloc(sizeof(struct sockaddr_un), UM_GFP_KERNEL); if(sun == NULL){ printk("new_addr: allocation of sockaddr_un failed\n"); err = -ENOMEM; diff --git a/arch/um/drivers/fd.c b/arch/um/drivers/fd.c index 7f083ec..39c01ff 100644 --- a/arch/um/drivers/fd.c +++ b/arch/um/drivers/fd.c @@ -37,7 +37,7 @@ static void *fd_init(char *str, int device, const struct chan_opts *opts) printk("fd_init : couldn't parse file descriptor '%s'\n", str); return(NULL); } - data = um_kmalloc(sizeof(*data)); + data = kmalloc(sizeof(*data), UM_GFP_KERNEL); if(data == NULL) return(NULL); *data = ((struct fd_chan) { .fd = n, .raw = opts->raw }); diff --git a/arch/um/drivers/harddog_user.c b/arch/um/drivers/harddog_user.c index 5eeecf89..1171790 100644 --- a/arch/um/drivers/harddog_user.c +++ b/arch/um/drivers/harddog_user.c @@ -68,7 +68,7 @@ int start_watchdog(int *in_fd_ret, int *out_fd_ret, char *sock) args = pid_args; } - pid = run_helper(pre_exec, &data, args, NULL); + pid = run_helper(pre_exec, &data, args); os_close_file(out_fds[0]); os_close_file(in_fds[1]); diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c index 4bd40bb..3e0b68e 100644 --- a/arch/um/drivers/line.c +++ b/arch/um/drivers/line.c @@ -454,7 +454,10 @@ int line_open(struct line *lines, struct tty_struct *tty) tty->driver_data = line; line->tty = tty; - enable_chan(line); + err = enable_chan(line); + if (err) + return err; + INIT_DELAYED_WORK(&line->task, line_timer_cb); if(!line->sigio){ @@ -746,8 +749,24 @@ struct winch { int tty_fd; int pid; struct tty_struct *tty; + unsigned long stack; }; +static void free_winch(struct winch *winch, int free_irq_ok) +{ + list_del(&winch->list); + + if (winch->pid != -1) + os_kill_process(winch->pid, 1); + if (winch->fd != -1) + os_close_file(winch->fd); + if (winch->stack != 0) + free_stack(winch->stack, 0); + if (free_irq_ok) + free_irq(WINCH_IRQ, winch); + kfree(winch); +} + static irqreturn_t winch_interrupt(int irq, void *data) { struct winch *winch = data; @@ -764,12 +783,13 @@ static irqreturn_t winch_interrupt(int irq, void *data) "errno = %d\n", -err); printk("fd %d is losing SIGWINCH support\n", winch->tty_fd); + free_winch(winch, 0); return IRQ_HANDLED; } goto out; } } - tty = winch->tty; + tty = winch->tty; if (tty != NULL) { line = tty->driver_data; chan_window_size(&line->chan_list, &tty->winsize.ws_row, @@ -782,43 +802,44 @@ static irqreturn_t winch_interrupt(int irq, void *data) return IRQ_HANDLED; } -void register_winch_irq(int fd, int tty_fd, int pid, struct tty_struct *tty) +void register_winch_irq(int fd, int tty_fd, int pid, struct tty_struct *tty, + unsigned long stack) { struct winch *winch; winch = kmalloc(sizeof(*winch), GFP_KERNEL); if (winch == NULL) { printk("register_winch_irq - kmalloc failed\n"); - return; + goto cleanup; } *winch = ((struct winch) { .list = LIST_HEAD_INIT(winch->list), .fd = fd, .tty_fd = tty_fd, .pid = pid, - .tty = tty }); + .tty = tty, + .stack = stack }); + + if (um_request_irq(WINCH_IRQ, fd, IRQ_READ, winch_interrupt, + IRQF_DISABLED | IRQF_SHARED | IRQF_SAMPLE_RANDOM, + "winch", winch) < 0) { + printk("register_winch_irq - failed to register IRQ\n"); + goto out_free; + } spin_lock(&winch_handler_lock); list_add(&winch->list, &winch_handlers); spin_unlock(&winch_handler_lock); - if(um_request_irq(WINCH_IRQ, fd, IRQ_READ, winch_interrupt, - IRQF_DISABLED | IRQF_SHARED | IRQF_SAMPLE_RANDOM, - "winch", winch) < 0) - printk("register_winch_irq - failed to register IRQ\n"); -} - -static void free_winch(struct winch *winch) -{ - list_del(&winch->list); - - if(winch->pid != -1) - os_kill_process(winch->pid, 1); - if(winch->fd != -1) - os_close_file(winch->fd); + return; - free_irq(WINCH_IRQ, winch); + out_free: kfree(winch); + cleanup: + os_kill_process(pid, 1); + os_close_file(fd); + if (stack != 0) + free_stack(stack, 0); } static void unregister_winch(struct tty_struct *tty) @@ -831,7 +852,7 @@ static void unregister_winch(struct tty_struct *tty) list_for_each(ele, &winch_handlers){ winch = list_entry(ele, struct winch, list); if(winch->tty == tty){ - free_winch(winch); + free_winch(winch, 1); break; } } @@ -847,7 +868,7 @@ static void winch_cleanup(void) list_for_each_safe(ele, next, &winch_handlers){ winch = list_entry(ele, struct winch, list); - free_winch(winch); + free_winch(winch, 1); } spin_unlock(&winch_handler_lock); diff --git a/arch/um/drivers/mcast_user.c b/arch/um/drivers/mcast_user.c index d319db1..236a3df 100644 --- a/arch/um/drivers/mcast_user.c +++ b/arch/um/drivers/mcast_user.c @@ -30,7 +30,7 @@ static struct sockaddr_in *new_addr(char *addr, unsigned short port) { struct sockaddr_in *sin; - sin = um_kmalloc(sizeof(struct sockaddr_in)); + sin = kmalloc(sizeof(struct sockaddr_in), UM_GFP_KERNEL); if(sin == NULL){ printk("new_addr: allocation of sockaddr_in failed\n"); return NULL; diff --git a/arch/um/drivers/mconsole_user.c b/arch/um/drivers/mconsole_user.c index 62e5ad6..f31e715 100644 --- a/arch/um/drivers/mconsole_user.c +++ b/arch/um/drivers/mconsole_user.c @@ -86,8 +86,9 @@ int mconsole_get_request(int fd, struct mc_request *req) int len; req->originlen = sizeof(req->origin); - req->len = recvfrom(fd, &req->request, sizeof(req->request), 0, - (struct sockaddr *) req->origin, &req->originlen); + req->len = recvfrom(fd, &req->request, sizeof(req->request), + MSG_DONTWAIT, (struct sockaddr *) req->origin, + &req->originlen); if (req->len < 0) return 0; diff --git a/arch/um/drivers/net_user.c b/arch/um/drivers/net_user.c index 3503cff..da946e3 100644 --- a/arch/um/drivers/net_user.c +++ b/arch/um/drivers/net_user.c @@ -187,7 +187,7 @@ static int change_tramp(char **argv, char *output, int output_len) } pe_data.close_me = fds[0]; pe_data.stdout = fds[1]; - pid = run_helper(change_pre_exec, &pe_data, argv, NULL); + pid = run_helper(change_pre_exec, &pe_data, argv); if (pid > 0) /* Avoid hang as we won't get data in failure case. */ read_output(fds[0], output, output_len); @@ -217,7 +217,7 @@ static void change(char *dev, char *what, unsigned char *addr, netmask[2], netmask[3]); output_len = UM_KERN_PAGE_SIZE; - output = um_kmalloc(output_len); + output = kmalloc(output_len, UM_GFP_KERNEL); if(output == NULL) printk("change : failed to allocate output buffer\n"); diff --git a/arch/um/drivers/pcap_user.c b/arch/um/drivers/pcap_user.c index 483aa15..1316456 100644 --- a/arch/um/drivers/pcap_user.c +++ b/arch/um/drivers/pcap_user.c @@ -53,7 +53,7 @@ static int pcap_open(void *data) return -EIO; } - pri->compiled = um_kmalloc(sizeof(struct bpf_program)); + pri->compiled = kmalloc(sizeof(struct bpf_program), UM_GFP_KERNEL); if(pri->compiled == NULL){ printk(UM_KERN_ERR "pcap_open : kmalloc failed\n"); return -ENOMEM; diff --git a/arch/um/drivers/port_user.c b/arch/um/drivers/port_user.c index 3f6357d..c799b00 100644 --- a/arch/um/drivers/port_user.c +++ b/arch/um/drivers/port_user.c @@ -50,7 +50,7 @@ static void *port_init(char *str, int device, const struct chan_opts *opts) if(kern_data == NULL) return NULL; - data = um_kmalloc(sizeof(*data)); + data = kmalloc(sizeof(*data), UM_GFP_KERNEL); if(data == NULL) goto err; @@ -188,7 +188,7 @@ int port_connection(int fd, int *socket, int *pid_out) { .sock_fd = new, .pipe_fd = socket[1] }); - err = run_helper(port_pre_exec, &data, argv, NULL); + err = run_helper(port_pre_exec, &data, argv); if(err < 0) goto out_shutdown; diff --git a/arch/um/drivers/pty.c b/arch/um/drivers/pty.c index df4976c..1e3fd61 100644 --- a/arch/um/drivers/pty.c +++ b/arch/um/drivers/pty.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com) + * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) * Licensed under the GPL */ @@ -7,12 +7,14 @@ #include <stdlib.h> #include <unistd.h> #include <string.h> +#include <fcntl.h> #include <errno.h> #include <termios.h> +#include <sys/stat.h> #include "chan_user.h" -#include "user.h" -#include "kern_util.h" #include "os.h" +#include "user.h" +#include "kern_constants.h" #include "um_malloc.h" struct pty_chan { @@ -27,12 +29,14 @@ static void *pty_chan_init(char *str, int device, const struct chan_opts *opts) { struct pty_chan *data; - data = um_kmalloc(sizeof(*data)); - if(data == NULL) return(NULL); + data = kmalloc(sizeof(*data), UM_GFP_KERNEL); + if (data == NULL) + return NULL; + *data = ((struct pty_chan) { .announce = opts->announce, .dev = device, .raw = opts->raw }); - return(data); + return data; } static int pts_open(int input, int output, int primary, void *d, @@ -43,31 +47,35 @@ static int pts_open(int input, int output, int primary, void *d, int fd, err; fd = get_pty(); - if(fd < 0){ + if (fd < 0) { err = -errno; - printk("open_pts : Failed to open pts\n"); + printk(UM_KERN_ERR "open_pts : Failed to open pts\n"); return err; } - if(data->raw){ + + if (data->raw) { CATCH_EINTR(err = tcgetattr(fd, &data->tt)); - if(err) - return(err); + if (err) + return err; err = raw(fd); - if(err) - return(err); + if (err) + return err; } dev = ptsname(fd); sprintf(data->dev_name, "%s", dev); *dev_out = data->dev_name; + if (data->announce) (*data->announce)(dev, data->dev); - return(fd); + + return fd; } static int getmaster(char *line) { + struct stat buf; char *pty, *bank, *cp; int master, err; @@ -75,24 +83,29 @@ static int getmaster(char *line) for (bank = "pqrs"; *bank; bank++) { line[strlen("/dev/pty")] = *bank; *pty = '0'; - if (os_stat_file(line, NULL) < 0) + /* Did we hit the end ? */ + if ((stat(line, &buf) < 0) && (errno == ENOENT)) break; + for (cp = "0123456789abcdef"; *cp; cp++) { *pty = *cp; - master = os_open_file(line, of_rdwr(OPENFLAGS()), 0); + master = open(line, O_RDWR); if (master >= 0) { char *tp = &line[strlen("/dev/")]; /* verify slave side is usable */ *tp = 't'; - err = os_access(line, OS_ACC_RW_OK); + err = access(line, R_OK | W_OK); *tp = 'p'; - if(err == 0) return(master); - (void) os_close_file(master); + if(!err) + return master; + close(master); } } } - return(-1); + + printk(UM_KERN_ERR "getmaster - no usable host pty devices\n"); + return -ENOENT; } static int pty_open(int input, int output, int primary, void *d, @@ -103,20 +116,22 @@ static int pty_open(int input, int output, int primary, void *d, char dev[sizeof("/dev/ptyxx\0")] = "/dev/ptyxx"; fd = getmaster(dev); - if(fd < 0) - return(-errno); + if (fd < 0) + return fd; if(data->raw){ err = raw(fd); - if(err) - return(err); + if (err) + return err; } - if(data->announce) (*data->announce)(dev, data->dev); + if (data->announce) + (*data->announce)(dev, data->dev); sprintf(data->dev_name, "%s", dev); *dev_out = data->dev_name; - return(fd); + + return fd; } const struct chan_ops pty_ops = { @@ -144,14 +159,3 @@ const struct chan_ops pts_ops = { .free = generic_free, .winch = 0, }; - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/drivers/slip_user.c b/arch/um/drivers/slip_user.c index 78f0e51..c0b73c2 100644 --- a/arch/um/drivers/slip_user.c +++ b/arch/um/drivers/slip_user.c @@ -85,13 +85,13 @@ static int slip_tramp(char **argv, int fd) pe_data.stdin = fd; pe_data.stdout = fds[1]; pe_data.close_me = fds[0]; - err = run_helper(slip_pre_exec, &pe_data, argv, NULL); + err = run_helper(slip_pre_exec, &pe_data, argv); if(err < 0) goto out_close; pid = err; output_len = UM_KERN_PAGE_SIZE; - output = um_kmalloc(output_len); + output = kmalloc(output_len, UM_GFP_KERNEL); if(output == NULL){ printk("slip_tramp : failed to allocate output buffer\n"); os_kill_process(pid, 1); diff --git a/arch/um/drivers/slirp_user.c b/arch/um/drivers/slirp_user.c index 39f889f..0e462f6 100644 --- a/arch/um/drivers/slirp_user.c +++ b/arch/um/drivers/slirp_user.c @@ -42,7 +42,7 @@ static int slirp_tramp(char **argv, int fd) pe_data.stdin = fd; pe_data.stdout = fd; - pid = run_helper(slirp_pre_exec, &pe_data, argv, NULL); + pid = run_helper(slirp_pre_exec, &pe_data, argv); return(pid); } diff --git a/arch/um/drivers/ssl.c b/arch/um/drivers/ssl.c index fd09ad9..875d60d 100644 --- a/arch/um/drivers/ssl.c +++ b/arch/um/drivers/ssl.c @@ -42,8 +42,6 @@ static struct chan_opts opts = { .announce = ssl_announce, .xterm_title = "Serial Line #%d", .raw = 1, - .tramp_stack = 0, - .in_kernel = 1, }; static int ssl_config(char *str, char **error_out); @@ -99,7 +97,13 @@ static int ssl_remove(int n, char **error_out) static int ssl_open(struct tty_struct *tty, struct file *filp) { - return line_open(serial_lines, tty); + int err = line_open(serial_lines, tty); + + if (err) + printk(KERN_ERR "Failed to open serial line %d, err = %d\n", + tty->index, err); + + return err; } #if 0 diff --git a/arch/um/drivers/stdio_console.c b/arch/um/drivers/stdio_console.c index 2bb4193..656036e 100644 --- a/arch/um/drivers/stdio_console.c +++ b/arch/um/drivers/stdio_console.c @@ -46,8 +46,6 @@ static struct chan_opts opts = { .announce = stdio_announce, .xterm_title = "Virtual Console #%d", .raw = 1, - .tramp_stack = 0, - .in_kernel = 1, }; static int con_config(char *str, char **error_out); @@ -101,7 +99,12 @@ static int con_remove(int n, char **error_out) static int con_open(struct tty_struct *tty, struct file *filp) { - return line_open(vts, tty); + int err = line_open(vts, tty); + if (err) + printk(KERN_ERR "Failed to open console %d, err = %d\n", + tty->index, err); + + return err; } /* Set in an initcall, checked in an exitcall */ diff --git a/arch/um/drivers/tty.c b/arch/um/drivers/tty.c index c07d0d5..a9f87e1 100644 --- a/arch/um/drivers/tty.c +++ b/arch/um/drivers/tty.c @@ -29,7 +29,7 @@ static void *tty_chan_init(char *str, int device, const struct chan_opts *opts) } str++; - data = um_kmalloc(sizeof(*data)); + data = kmalloc(sizeof(*data), UM_GFP_KERNEL); if(data == NULL) return NULL; *data = ((struct tty_chan) { .dev = str, diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c index 2e09f16..fc27f6c 100644 --- a/arch/um/drivers/ubd_kern.c +++ b/arch/um/drivers/ubd_kern.c @@ -712,6 +712,8 @@ static int ubd_add(int n, char **error_out) ubd_dev->queue->queuedata = ubd_dev; blk_queue_max_hw_segments(ubd_dev->queue, MAX_SG); + if(ubd_dev->cow.file != NULL) + blk_queue_max_sectors(ubd_dev->queue, 8 * sizeof(long)); err = ubd_disk_register(MAJOR_NR, ubd_dev->size, n, &ubd_gendisk[n]); if(err){ *error_out = "Failed to register device"; @@ -1083,7 +1085,7 @@ static void do_ubd_request(request_queue_t *q) { struct io_thread_req *io_req; struct request *req; - int n; + int n, last_sectors; while(1){ struct ubd *dev = q->queuedata; @@ -1099,9 +1101,11 @@ static void do_ubd_request(request_queue_t *q) } req = dev->request; + last_sectors = 0; while(dev->start_sg < dev->end_sg){ struct scatterlist *sg = &dev->sg[dev->start_sg]; + req->sector += last_sectors; io_req = kmalloc(sizeof(struct io_thread_req), GFP_ATOMIC); if(io_req == NULL){ @@ -1113,6 +1117,7 @@ static void do_ubd_request(request_queue_t *q) (unsigned long long) req->sector << 9, sg->offset, sg->length, sg->page); + last_sectors = sg->length >> 9; n = os_write_file(thread_fd, &io_req, sizeof(struct io_thread_req *)); if(n != sizeof(struct io_thread_req *)){ @@ -1124,7 +1129,6 @@ static void do_ubd_request(request_queue_t *q) return; } - req->sector += sg->length >> 9; dev->start_sg++; } dev->end_sg = 0; diff --git a/arch/um/drivers/ubd_user.c b/arch/um/drivers/ubd_user.c index 4707b3f..41d254b 100644 --- a/arch/um/drivers/ubd_user.c +++ b/arch/um/drivers/ubd_user.c @@ -43,6 +43,12 @@ int start_io_thread(unsigned long sp, int *fd_out) kernel_fd = fds[0]; *fd_out = fds[1]; + err = os_set_fd_block(*fd_out, 0); + if (err) { + printk("start_io_thread - failed to set nonblocking I/O.\n"); + goto out_close; + } + pid = clone(io_thread, (void *) sp, CLONE_FILES | CLONE_VM | SIGCHLD, NULL); if(pid < 0){ diff --git a/arch/um/drivers/xterm.c b/arch/um/drivers/xterm.c index 571c2b3..fd817e5 100644 --- a/arch/um/drivers/xterm.c +++ b/arch/um/drivers/xterm.c @@ -1,22 +1,20 @@ /* - * Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com) + * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) * Licensed under the GPL */ -#include <stdio.h> #include <stdlib.h> +#include <stdio.h> #include <unistd.h> #include <string.h> #include <errno.h> #include <termios.h> -#include <signal.h> -#include <sched.h> -#include <sys/socket.h> -#include "kern_util.h" #include "chan_user.h" -#include "user.h" #include "os.h" +#include "init.h" +#include "user.h" #include "xterm.h" +#include "kern_constants.h" struct xterm_chan { int pid; @@ -25,25 +23,21 @@ struct xterm_chan { int device; int raw; struct termios tt; - unsigned long stack; - int direct_rcv; }; -/* Not static because it's called directly by the tt mode gdb code */ -void *xterm_init(char *str, int device, const struct chan_opts *opts) +static void *xterm_init(char *str, int device, const struct chan_opts *opts) { struct xterm_chan *data; data = malloc(sizeof(*data)); - if(data == NULL) return(NULL); - *data = ((struct xterm_chan) { .pid = -1, + if (data == NULL) + return NULL; + *data = ((struct xterm_chan) { .pid = -1, .helper_pid = -1, - .device = device, + .device = device, .title = opts->xterm_title, - .raw = opts->raw, - .stack = opts->tramp_stack, - .direct_rcv = !opts->in_kernel } ); - return(data); + .raw = opts->raw } ); + return data; } /* Only changed by xterm_setup, which is a setup */ @@ -57,16 +51,22 @@ static int __init xterm_setup(char *line, int *add) terminal_emulator = line; line = strchr(line, ','); - if(line == NULL) return(0); + if (line == NULL) + return 0; + *line++ = '\0'; - if(*line) title_switch = line; + if (*line) + title_switch = line; line = strchr(line, ','); - if(line == NULL) return(0); + if (line == NULL) + return 0; + *line++ = '\0'; - if(*line) exec_switch = line; + if (*line) + exec_switch = line; - return(0); + return 0; } __uml_setup("xterm=", xterm_setup, @@ -82,107 +82,128 @@ __uml_setup("xterm=", xterm_setup, " are 'xterm=gnome-terminal,-t,-x'.\n\n" ); -/* XXX This badly needs some cleaning up in the error paths - * Not static because it's called directly by the tt mode gdb code - */ -int xterm_open(int input, int output, int primary, void *d, +static int xterm_open(int input, int output, int primary, void *d, char **dev_out) { struct xterm_chan *data = d; - unsigned long stack; int pid, fd, new, err; char title[256], file[] = "/tmp/xterm-pipeXXXXXX"; - char *argv[] = { terminal_emulator, title_switch, title, exec_switch, + char *argv[] = { terminal_emulator, title_switch, title, exec_switch, "/usr/lib/uml/port-helper", "-uml-socket", file, NULL }; - if(os_access(argv[4], OS_ACC_X_OK) < 0) + if (access(argv[4], X_OK) < 0) argv[4] = "port-helper"; /* Check that DISPLAY is set, this doesn't guarantee the xterm * will work but w/o it we can be pretty sure it won't. */ - if (!getenv("DISPLAY")) { - printk("xterm_open: $DISPLAY not set.\n"); + if (getenv("DISPLAY") == NULL) { + printk(UM_KERN_ERR "xterm_open: $DISPLAY not set.\n"); return -ENODEV; } + /* + * This business of getting a descriptor to a temp file, + * deleting the file and closing the descriptor is just to get + * a known-unused name for the Unix socket that we really + * want. + */ fd = mkstemp(file); - if(fd < 0){ + if (fd < 0) { err = -errno; - printk("xterm_open : mkstemp failed, errno = %d\n", errno); + printk(UM_KERN_ERR "xterm_open : mkstemp failed, errno = %d\n", + errno); return err; } - if(unlink(file)){ + if (unlink(file)) { err = -errno; - printk("xterm_open : unlink failed, errno = %d\n", errno); + printk(UM_KERN_ERR "xterm_open : unlink failed, errno = %d\n", + errno); return err; } - os_close_file(fd); + close(fd); fd = os_create_unix_socket(file, sizeof(file), 1); - if(fd < 0){ - printk("xterm_open : create_unix_socket failed, errno = %d\n", - -fd); - return(fd); + if (fd < 0) { + printk(UM_KERN_ERR "xterm_open : create_unix_socket failed, " + "errno = %d\n", -fd); + return fd; } sprintf(title, data->title, data->device); - stack = data->stack; - pid = run_helper(NULL, NULL, argv, &stack); - if(pid < 0){ - printk("xterm_open : run_helper failed, errno = %d\n", -pid); - return(pid); + pid = run_helper(NULL, NULL, argv); + if (pid < 0) { + err = pid; + printk(UM_KERN_ERR "xterm_open : run_helper failed, " + "errno = %d\n", -err); + goto out_close1; } - if (data->direct_rcv) { - new = os_rcv_fd(fd, &data->helper_pid); - } else { - err = os_set_fd_block(fd, 0); - if(err < 0){ - printk("xterm_open : failed to set descriptor " - "non-blocking, err = %d\n", -err); - return(err); - } - new = xterm_fd(fd, &data->helper_pid); + err = os_set_fd_block(fd, 0); + if (err < 0) { + printk(UM_KERN_ERR "xterm_open : failed to set descriptor " + "non-blocking, err = %d\n", -err); + goto out_kill; } - if(new < 0){ - printk("xterm_open : os_rcv_fd failed, err = %d\n", -new); - goto out; + + new = xterm_fd(fd, &data->helper_pid); + if (new < 0) { + err = new; + printk(UM_KERN_ERR "xterm_open : os_rcv_fd failed, err = %d\n", + -err); + goto out_kill; + } + + err = os_set_fd_block(new, 0); + if (err) { + printk(UM_KERN_ERR "xterm_open : failed to set xterm " + "descriptor non-blocking, err = %d\n", -err); + goto out_close2; } CATCH_EINTR(err = tcgetattr(new, &data->tt)); - if(err){ + if (err) { new = err; - goto out; + goto out_close2; } - if(data->raw){ + if (data->raw) { err = raw(new); - if(err){ + if (err) { new = err; - goto out; + goto out_close2; } } + unlink(file); data->pid = pid; *dev_out = NULL; - out: - unlink(file); - return(new); + + return new; + + out_close2: + close(new); + out_kill: + os_kill_process(pid, 1); + out_close1: + close(fd); + + return err; } -/* Not static because it's called directly by the tt mode gdb code */ -void xterm_close(int fd, void *d) +static void xterm_close(int fd, void *d) { struct xterm_chan *data = d; - if(data->pid != -1) + if (data->pid != -1) os_kill_process(data->pid, 1); data->pid = -1; - if(data->helper_pid != -1) + + if (data->helper_pid != -1) os_kill_process(data->helper_pid, 0); data->helper_pid = -1; + os_close_file(fd); } @@ -203,14 +224,3 @@ const struct chan_ops xterm_ops = { .free = xterm_free, .winch = 1, }; - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/drivers/xterm_kern.c b/arch/um/drivers/xterm_kern.c index a4ce705..b646bcc 100644 --- a/arch/um/drivers/xterm_kern.c +++ b/arch/um/drivers/xterm_kern.c @@ -1,18 +1,14 @@ /* - * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) + * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) * Licensed under the GPL */ -#include "linux/errno.h" -#include "linux/slab.h" -#include "linux/signal.h" -#include "linux/interrupt.h" -#include "asm/irq.h" -#include "irq_user.h" +#include <linux/slab.h> +#include <linux/completion.h> +#include <linux/irqreturn.h> +#include <asm/irq.h> #include "irq_kern.h" -#include "kern_util.h" #include "os.h" -#include "xterm.h" struct xterm_wait { struct completion ready; @@ -27,12 +23,13 @@ static irqreturn_t xterm_interrupt(int irq, void *data) int fd; fd = os_rcv_fd(xterm->fd, &xterm->pid); - if(fd == -EAGAIN) - return(IRQ_NONE); + if (fd == -EAGAIN) + return IRQ_NONE; xterm->new_fd = fd; complete(&xterm->ready); - return(IRQ_HANDLED); + + return IRQ_HANDLED; } int xterm_fd(int socket, int *pid_out) @@ -41,22 +38,21 @@ int xterm_fd(int socket, int *pid_out) int err, ret; data = kmalloc(sizeof(*data), GFP_KERNEL); - if(data == NULL){ + if (data == NULL) { printk(KERN_ERR "xterm_fd : failed to allocate xterm_wait\n"); - return(-ENOMEM); + return -ENOMEM; } /* This is a locked semaphore... */ - *data = ((struct xterm_wait) - { .fd = socket, - .pid = -1, - .new_fd = -1 }); + *data = ((struct xterm_wait) { .fd = socket, + .pid = -1, + .new_fd = -1 }); init_completion(&data->ready); - err = um_request_irq(XTERM_IRQ, socket, IRQ_READ, xterm_interrupt, + err = um_request_irq(XTERM_IRQ, socket, IRQ_READ, xterm_interrupt, IRQF_DISABLED | IRQF_SHARED | IRQF_SAMPLE_RANDOM, "xterm", data); - if (err){ + if (err) { printk(KERN_ERR "xterm_fd : failed to get IRQ for xterm, " "err = %d\n", err); ret = err; @@ -76,16 +72,5 @@ int xterm_fd(int socket, int *pid_out) out: kfree(data); - return(ret); + return ret; } - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/include/chan_kern.h b/arch/um/include/chan_kern.h index c4b41bb..624b510 100644 --- a/arch/um/include/chan_kern.h +++ b/arch/um/include/chan_kern.h @@ -40,7 +40,7 @@ extern int console_open_chan(struct line *line, struct console *co); extern void deactivate_chan(struct list_head *chans, int irq); extern void reactivate_chan(struct list_head *chans, int irq); extern void chan_enable_winch(struct list_head *chans, struct tty_struct *tty); -extern void enable_chan(struct line *line); +extern int enable_chan(struct line *line); extern void close_chan(struct list_head *chans, int delay_free_irq); extern int chan_window_size(struct list_head *chans, unsigned short *rows_out, diff --git a/arch/um/include/chan_user.h b/arch/um/include/chan_user.h index 38f16d8..5a2263e 100644 --- a/arch/um/include/chan_user.h +++ b/arch/um/include/chan_user.h @@ -12,8 +12,6 @@ struct chan_opts { void (*const announce)(char *dev_name, int dev); char *xterm_title; const int raw; - const unsigned long tramp_stack; - const int in_kernel; }; enum chan_init_pri { INIT_STATIC, INIT_ALL, INIT_ONE }; @@ -44,7 +42,8 @@ extern void generic_free(void *data); struct tty_struct; extern void register_winch(int fd, struct tty_struct *tty); -extern void register_winch_irq(int fd, int tty_fd, int pid, struct tty_struct *tty); +extern void register_winch_irq(int fd, int tty_fd, int pid, + struct tty_struct *tty, unsigned long stack); #define __channel_help(fn, prefix) \ __uml_help(fn, prefix "[0-9]*=<channel description>\n" \ diff --git a/arch/um/include/common-offsets.h b/arch/um/include/common-offsets.h index 7376ee4..6eee343 100644 --- a/arch/um/include/common-offsets.h +++ b/arch/um/include/common-offsets.h @@ -27,6 +27,9 @@ DEFINE(UM_ELFCLASS64, ELFCLASS64); DEFINE(UM_NR_CPUS, NR_CPUS); +DEFINE(UM_GFP_KERNEL, GFP_KERNEL); +DEFINE(UM_GFP_ATOMIC, GFP_ATOMIC); + /* For crypto assembler code. */ DEFINE(crypto_tfm_ctx_offset, offsetof(struct crypto_tfm, __crt_ctx)); diff --git a/arch/um/include/os.h b/arch/um/include/os.h index 4d9fb263..930b261 100644 --- a/arch/um/include/os.h +++ b/arch/um/include/os.h @@ -239,11 +239,9 @@ extern unsigned long __do_user_copy(void *to, const void *from, int n, /* execvp.c */ extern int execvp_noalloc(char *buf, const char *file, char *const argv[]); /* helper.c */ -extern int run_helper(void (*pre_exec)(void *), void *pre_data, char **argv, - unsigned long *stack_out); +extern int run_helper(void (*pre_exec)(void *), void *pre_data, char **argv); extern int run_helper_thread(int (*proc)(void *), void *arg, - unsigned int flags, unsigned long *stack_out, - int stack_order); + unsigned int flags, unsigned long *stack_out); extern int helper_wait(int pid); diff --git a/arch/um/include/um_malloc.h b/arch/um/include/um_malloc.h index e6d7c5a..0ad17cb 100644 --- a/arch/um/include/um_malloc.h +++ b/arch/um/include/um_malloc.h @@ -6,11 +6,17 @@ #ifndef __UM_MALLOC_H__ #define __UM_MALLOC_H__ -extern void *um_kmalloc(int size); -extern void *um_kmalloc_atomic(int size); +#include "kern_constants.h" + +extern void *__kmalloc(int size, int flags); +static inline void *kmalloc(int size, int flags) +{ + return __kmalloc(size, flags); +} + extern void kfree(const void *ptr); -extern void *um_vmalloc(int size); +extern void *vmalloc(unsigned long size); extern void vfree(void *ptr); #endif /* __UM_MALLOC_H__ */ diff --git a/arch/um/kernel/irq.c b/arch/um/kernel/irq.c index dba04d8..9870feb 100644 --- a/arch/um/kernel/irq.c +++ b/arch/um/kernel/irq.c @@ -30,7 +30,6 @@ #include "irq_kern.h" #include "os.h" #include "sigio.h" -#include "um_malloc.h" #include "misc_constants.h" #include "as-layout.h" diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c index 8d2c549..bfa52f2 100644 --- a/arch/um/kernel/process.c +++ b/arch/um/kernel/process.c @@ -46,7 +46,6 @@ #include "mode.h" #include "mode_kern.h" #include "choose-mode.h" -#include "um_malloc.h" /* This is a per-cpu array. A processor only modifies its entry and it only * cares about its entry, so it's OK if another processor is modifying its @@ -262,21 +261,6 @@ void dump_thread(struct pt_regs *regs, struct user *u) { } -void *um_kmalloc(int size) -{ - return kmalloc(size, GFP_KERNEL); -} - -void *um_kmalloc_atomic(int size) -{ - return kmalloc(size, GFP_ATOMIC); -} - -void *um_vmalloc(int size) -{ - return vmalloc(size); -} - int __cant_sleep(void) { return in_atomic() || irqs_disabled() || in_interrupt(); /* Is in_interrupt() really needed? */ diff --git a/arch/um/kernel/ptrace.c b/arch/um/kernel/ptrace.c index 627742d..6916c88 100644 --- a/arch/um/kernel/ptrace.c +++ b/arch/um/kernel/ptrace.c @@ -52,17 +52,9 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) switch (request) { /* when I and D space are separate, these will need to be fixed. */ case PTRACE_PEEKTEXT: /* read word at location addr. */ - case PTRACE_PEEKDATA: { - unsigned long tmp; - int copied; - - ret = -EIO; - copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0); - if (copied != sizeof(tmp)) - break; - ret = put_user(tmp, p); + case PTRACE_PEEKDATA: + ret = generic_ptrace_peekdata(child, addr, data); break; - } /* read the word at location addr in the USER area. */ case PTRACE_PEEKUSR: @@ -72,11 +64,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) /* when I and D space are separate, this will have to be fixed. */ case PTRACE_POKETEXT: /* write the word at location addr. */ case PTRACE_POKEDATA: - ret = -EIO; - if (access_process_vm(child, addr, &data, sizeof(data), - 1) != sizeof(data)) - break; - ret = 0; + ret = generic_ptrace_pokedata(child, addr, data); break; case PTRACE_POKEUSR: /* write the word at location addr in the USER area */ diff --git a/arch/um/os-Linux/aio.c b/arch/um/os-Linux/aio.c index 9bf944f..b126df4 100644 --- a/arch/um/os-Linux/aio.c +++ b/arch/um/os-Linux/aio.c @@ -177,6 +177,7 @@ static int do_not_aio(struct aio_thread_req *req) static int aio_req_fd_r = -1; static int aio_req_fd_w = -1; static int aio_pid = -1; +static unsigned long aio_stack; static int not_aio_thread(void *arg) { @@ -212,7 +213,6 @@ static int not_aio_thread(void *arg) static int init_aio_24(void) { - unsigned long stack; int fds[2], err; err = os_pipe(fds, 1, 1); @@ -227,7 +227,7 @@ static int init_aio_24(void) goto out_close_pipe; err = run_helper_thread(not_aio_thread, NULL, - CLONE_FILES | CLONE_VM | SIGCHLD, &stack, 0); + CLONE_FILES | CLONE_VM | SIGCHLD, &aio_stack); if(err < 0) goto out_close_pipe; @@ -252,7 +252,6 @@ out: #define DEFAULT_24_AIO 0 static int init_aio_26(void) { - unsigned long stack; int err; if(io_setup(256, &ctx)){ @@ -263,7 +262,7 @@ static int init_aio_26(void) } err = run_helper_thread(aio_thread, NULL, - CLONE_FILES | CLONE_VM | SIGCHLD, &stack, 0); + CLONE_FILES | CLONE_VM | SIGCHLD, &aio_stack); if(err < 0) return err; @@ -365,8 +364,10 @@ __initcall(init_aio); static void exit_aio(void) { - if(aio_pid != -1) + if (aio_pid != -1) { os_kill_process(aio_pid, 1); + free_stack(aio_stack, 0); + } } __uml_exitcall(exit_aio); diff --git a/arch/um/os-Linux/drivers/ethertap_user.c b/arch/um/os-Linux/drivers/ethertap_user.c index acba301..61d3953 100644 --- a/arch/um/os-Linux/drivers/ethertap_user.c +++ b/arch/um/os-Linux/drivers/ethertap_user.c @@ -54,7 +54,7 @@ static void etap_change(int op, unsigned char *addr, unsigned char *netmask, return; } - output = um_kmalloc(UM_KERN_PAGE_SIZE); + output = kmalloc(UM_KERN_PAGE_SIZE, UM_GFP_KERNEL); if(output == NULL) printk("etap_change : Failed to allocate output buffer\n"); read_output(fd, output, UM_KERN_PAGE_SIZE); @@ -117,7 +117,7 @@ static int etap_tramp(char *dev, char *gate, int control_me, pe_data.control_remote = control_remote; pe_data.control_me = control_me; pe_data.data_me = data_me; - pid = run_helper(etap_pre_exec, &pe_data, args, NULL); + pid = run_helper(etap_pre_exec, &pe_data, args); if(pid < 0) err = pid; @@ -166,7 +166,7 @@ static int etap_open(void *data) err = etap_tramp(pri->dev_name, pri->gate_addr, control_fds[0], control_fds[1], data_fds[0], data_fds[1]); output_len = UM_KERN_PAGE_SIZE; - output = um_kmalloc(output_len); + output = kmalloc(output_len, UM_GFP_KERNEL); read_output(control_fds[0], output, output_len); if(output == NULL) diff --git a/arch/um/os-Linux/drivers/tuntap_user.c b/arch/um/os-Linux/drivers/tuntap_user.c index 11a9779..f848b4e 100644 --- a/arch/um/os-Linux/drivers/tuntap_user.c +++ b/arch/um/os-Linux/drivers/tuntap_user.c @@ -83,7 +83,7 @@ static int tuntap_open_tramp(char *gate, int *fd_out, int me, int remote, data.stdout = remote; data.close_me = me; - pid = run_helper(tuntap_pre_exec, &data, argv, NULL); + pid = run_helper(tuntap_pre_exec, &data, argv); if(pid < 0) return -pid; diff --git a/arch/um/os-Linux/helper.c b/arch/um/os-Linux/helper.c index 97bed16..d81af7b 100644 --- a/arch/um/os-Linux/helper.c +++ b/arch/um/os-Linux/helper.c @@ -44,17 +44,13 @@ static int helper_child(void *arg) /* Returns either the pid of the child process we run or -E* on failure. * XXX The alloc_stack here breaks if this is called in the tracing thread, so * we need to receive a preallocated stack (a local buffer is ok). */ -int run_helper(void (*pre_exec)(void *), void *pre_data, char **argv, - unsigned long *stack_out) +int run_helper(void (*pre_exec)(void *), void *pre_data, char **argv) { struct helper_data data; unsigned long stack, sp; int pid, fds[2], ret, n; - if ((stack_out != NULL) && (*stack_out != 0)) - stack = *stack_out; - else - stack = alloc_stack(0, __cant_sleep()); + stack = alloc_stack(0, __cant_sleep()); if (stack == 0) return -ENOMEM; @@ -76,8 +72,8 @@ int run_helper(void (*pre_exec)(void *), void *pre_data, char **argv, data.pre_data = pre_data; data.argv = argv; data.fd = fds[1]; - data.buf = __cant_sleep() ? um_kmalloc_atomic(PATH_MAX) : - um_kmalloc(PATH_MAX); + data.buf = __cant_sleep() ? kmalloc(PATH_MAX, UM_GFP_ATOMIC) : + kmalloc(PATH_MAX, UM_GFP_KERNEL); pid = clone(helper_child, (void *) sp, CLONE_VM | SIGCHLD, &data); if (pid < 0) { ret = -errno; @@ -113,22 +109,21 @@ out_close: close(fds[1]); close(fds[0]); out_free: - if ((stack_out == NULL) || (*stack_out == 0)) - free_stack(stack, 0); + free_stack(stack, 0); return ret; } int run_helper_thread(int (*proc)(void *), void *arg, unsigned int flags, - unsigned long *stack_out, int stack_order) + unsigned long *stack_out) { unsigned long stack, sp; int pid, status, err; - stack = alloc_stack(stack_order, __cant_sleep()); + stack = alloc_stack(0, __cant_sleep()); if (stack == 0) return -ENOMEM; - sp = stack + (UM_KERN_PAGE_SIZE << stack_order) - sizeof(void *); + sp = stack + UM_KERN_PAGE_SIZE - sizeof(void *); pid = clone(proc, (void *) sp, flags | SIGCHLD, arg); if (pid < 0) { err = -errno; @@ -147,7 +142,7 @@ int run_helper_thread(int (*proc)(void *), void *arg, unsigned int flags, if (!WIFEXITED(status) || (WEXITSTATUS(status) != 0)) printk("run_helper_thread - thread returned status " "0x%x\n", status); - free_stack(stack, stack_order); + free_stack(stack, 0); } else *stack_out = stack; return pid; diff --git a/arch/um/os-Linux/main.c b/arch/um/os-Linux/main.c index fb510d4..e85f499 100644 --- a/arch/um/os-Linux/main.c +++ b/arch/um/os-Linux/main.c @@ -235,8 +235,8 @@ void *__wrap_malloc(int size) return __real_malloc(size); else if(size <= UM_KERN_PAGE_SIZE) /* finding contiguous pages can be hard*/ - ret = um_kmalloc(size); - else ret = um_vmalloc(size); + ret = kmalloc(size, UM_GFP_KERNEL); + else ret = vmalloc(size); /* glibc people insist that if malloc fails, errno should be * set by malloc as well. So we do. diff --git a/arch/um/os-Linux/sigio.c b/arch/um/os-Linux/sigio.c index 8d4e0c6..dc03e9c 100644 --- a/arch/um/os-Linux/sigio.c +++ b/arch/um/os-Linux/sigio.c @@ -26,6 +26,7 @@ * exitcall. */ static int write_sigio_pid = -1; +static unsigned long write_sigio_stack; /* These arrays are initialized before the sigio thread is started, and * the descriptors closed after it is killed. So, it can't see them change. @@ -104,7 +105,7 @@ static int need_poll(struct pollfds *polls, int n) if(n <= polls->size) return 0; - new = um_kmalloc_atomic(n * sizeof(struct pollfd)); + new = kmalloc(n * sizeof(struct pollfd), UM_GFP_ATOMIC); if(new == NULL){ printk("need_poll : failed to allocate new pollfds\n"); return -ENOMEM; @@ -144,8 +145,10 @@ static void update_thread(void) return; fail: /* Critical section start */ - if(write_sigio_pid != -1) + if (write_sigio_pid != -1) { os_kill_process(write_sigio_pid, 1); + free_stack(write_sigio_stack, 0); + } write_sigio_pid = -1; close(sigio_private[0]); close(sigio_private[1]); @@ -230,7 +233,7 @@ static struct pollfd *setup_initial_poll(int fd) { struct pollfd *p; - p = um_kmalloc(sizeof(struct pollfd)); + p = kmalloc(sizeof(struct pollfd), UM_GFP_KERNEL); if (p == NULL) { printk("setup_initial_poll : failed to allocate poll\n"); return NULL; @@ -243,7 +246,6 @@ static struct pollfd *setup_initial_poll(int fd) static void write_sigio_workaround(void) { - unsigned long stack; struct pollfd *p; int err; int l_write_sigio_fds[2]; @@ -293,7 +295,8 @@ static void write_sigio_workaround(void) memcpy(sigio_private, l_sigio_private, sizeof(l_sigio_private)); write_sigio_pid = run_helper_thread(write_sigio_thread, NULL, - CLONE_FILES | CLONE_VM, &stack, 0); + CLONE_FILES | CLONE_VM, + &write_sigio_stack); if (write_sigio_pid < 0) goto out_clear; @@ -356,10 +359,12 @@ out: static void sigio_cleanup(void) { - if(write_sigio_pid != -1){ - os_kill_process(write_sigio_pid, 1); - write_sigio_pid = -1; - } + if (write_sigio_pid == -1) + return; + + os_kill_process(write_sigio_pid, 1); + free_stack(write_sigio_stack, 0); + write_sigio_pid = -1; } __uml_exitcall(sigio_cleanup); diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c index 46c00cc..ba9af8d 100644 --- a/arch/um/os-Linux/skas/process.c +++ b/arch/um/os-Linux/skas/process.c @@ -41,7 +41,7 @@ int is_skas_winch(int pid, int fd, void *data) if(pid != os_getpgrp()) return(0); - register_winch_irq(-1, fd, -1, data); + register_winch_irq(-1, fd, -1, data, 0); return(1); } diff --git a/arch/um/os-Linux/user_syms.c b/arch/um/os-Linux/user_syms.c index 3f33165..419b2d5 100644 --- a/arch/um/os-Linux/user_syms.c +++ b/arch/um/os-Linux/user_syms.c @@ -5,7 +5,8 @@ * so I *must* declare good prototypes for them and then EXPORT them. * The kernel code uses the macro defined by include/linux/string.h, * so I undef macros; the userspace code does not include that and I - * add an EXPORT for the glibc one.*/ + * add an EXPORT for the glibc one. + */ #undef strlen #undef strstr @@ -61,12 +62,18 @@ EXPORT_SYMBOL_PROTO(dup2); EXPORT_SYMBOL_PROTO(__xstat); EXPORT_SYMBOL_PROTO(__lxstat); EXPORT_SYMBOL_PROTO(__lxstat64); +EXPORT_SYMBOL_PROTO(__fxstat64); EXPORT_SYMBOL_PROTO(lseek); EXPORT_SYMBOL_PROTO(lseek64); EXPORT_SYMBOL_PROTO(chown); +EXPORT_SYMBOL_PROTO(fchown); EXPORT_SYMBOL_PROTO(truncate); +EXPORT_SYMBOL_PROTO(ftruncate64); EXPORT_SYMBOL_PROTO(utime); +EXPORT_SYMBOL_PROTO(utimes); +EXPORT_SYMBOL_PROTO(futimes); EXPORT_SYMBOL_PROTO(chmod); +EXPORT_SYMBOL_PROTO(fchmod); EXPORT_SYMBOL_PROTO(rename); EXPORT_SYMBOL_PROTO(__xmknod); @@ -102,14 +109,3 @@ EXPORT_SYMBOL(__stack_smash_handler); extern long __guard __attribute__((weak)); EXPORT_SYMBOL(__guard); - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/v850/kernel/ptrace.c b/arch/v850/kernel/ptrace.c index a9b0934..a458ac9 100644 --- a/arch/v850/kernel/ptrace.c +++ b/arch/v850/kernel/ptrace.c @@ -117,24 +117,16 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) int rval; switch (request) { - unsigned long val, copied; + unsigned long val; case PTRACE_PEEKTEXT: /* read word at location addr. */ case PTRACE_PEEKDATA: - copied = access_process_vm(child, addr, &val, sizeof(val), 0); - rval = -EIO; - if (copied != sizeof(val)) - break; - rval = put_user(val, (unsigned long *)data); + rval = generic_ptrace_peekdata(child, addr, data); goto out; case PTRACE_POKETEXT: /* write the word at location addr. */ case PTRACE_POKEDATA: - rval = 0; - if (access_process_vm(child, addr, &data, sizeof(data), 1) - == sizeof(data)) - break; - rval = -EIO; + rval = generic_ptrace_pokedata(child, addr, data); goto out; /* Read/write the word at location ADDR in the registers. */ diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig index 8bdd25a..14bf8ce 100644 --- a/arch/x86_64/Kconfig +++ b/arch/x86_64/Kconfig @@ -774,8 +774,8 @@ menu "Instrumentation Support" source "arch/x86_64/oprofile/Kconfig" config KPROBES - bool "Kprobes (EXPERIMENTAL)" - depends on KALLSYMS && EXPERIMENTAL && MODULES + bool "Kprobes" + depends on KALLSYMS && MODULES help Kprobes allows you to trap at almost any kernel address and execute a callback function. register_kprobe() establishes diff --git a/arch/x86_64/ia32/ia32entry.S b/arch/x86_64/ia32/ia32entry.S index 47565c3..782dea8 100644 --- a/arch/x86_64/ia32/ia32entry.S +++ b/arch/x86_64/ia32/ia32entry.S @@ -526,7 +526,7 @@ ia32_sys_call_table: .quad sys_init_module .quad sys_delete_module .quad quiet_ni_syscall /* 130 get_kernel_syms */ - .quad sys_quotactl + .quad sys32_quotactl .quad sys_getpgid .quad sys_fchdir .quad quiet_ni_syscall /* bdflush */ diff --git a/arch/x86_64/kernel/head.S b/arch/x86_64/kernel/head.S index 1fab487..941c84ba 100644 --- a/arch/x86_64/kernel/head.S +++ b/arch/x86_64/kernel/head.S @@ -73,7 +73,11 @@ startup_64: addq %rbp, init_level4_pgt + (511*8)(%rip) addq %rbp, level3_ident_pgt + 0(%rip) + addq %rbp, level3_kernel_pgt + (510*8)(%rip) + addq %rbp, level3_kernel_pgt + (511*8)(%rip) + + addq %rbp, level2_fixmap_pgt + (506*8)(%rip) /* Add an Identity mapping if I am above 1G */ leaq _text(%rip), %rdi @@ -314,7 +318,16 @@ NEXT_PAGE(level3_kernel_pgt) .fill 510,8,0 /* (2^48-(2*1024*1024*1024)-((2^39)*511))/(2^30) = 510 */ .quad level2_kernel_pgt - __START_KERNEL_map + _KERNPG_TABLE - .fill 1,8,0 + .quad level2_fixmap_pgt - __START_KERNEL_map + _PAGE_TABLE + +NEXT_PAGE(level2_fixmap_pgt) + .fill 506,8,0 + .quad level1_fixmap_pgt - __START_KERNEL_map + _PAGE_TABLE + /* 8MB reserved for vsyscalls + a 2MB hole = 4 + 1 entries */ + .fill 5,8,0 + +NEXT_PAGE(level1_fixmap_pgt) + .fill 512,8,0 NEXT_PAGE(level2_ident_pgt) /* Since I easily can, map the first 1G. diff --git a/arch/x86_64/kernel/nmi.c b/arch/x86_64/kernel/nmi.c index 931c64b..edbbc59 100644 --- a/arch/x86_64/kernel/nmi.c +++ b/arch/x86_64/kernel/nmi.c @@ -296,7 +296,7 @@ static DEFINE_PER_CPU(unsigned, last_irq_sum); static DEFINE_PER_CPU(local_t, alert_counter); static DEFINE_PER_CPU(int, nmi_touch); -void touch_nmi_watchdog (void) +void touch_nmi_watchdog(void) { if (nmi_watchdog > 0) { unsigned cpu; @@ -306,8 +306,10 @@ void touch_nmi_watchdog (void) * do it ourselves because the alert count increase is not * atomic. */ - for_each_present_cpu (cpu) - per_cpu(nmi_touch, cpu) = 1; + for_each_present_cpu(cpu) { + if (per_cpu(nmi_touch, cpu) != 1) + per_cpu(nmi_touch, cpu) = 1; + } } touch_softlockup_watchdog(); diff --git a/arch/x86_64/kernel/ptrace.c b/arch/x86_64/kernel/ptrace.c index 9409117..fa6775e 100644 --- a/arch/x86_64/kernel/ptrace.c +++ b/arch/x86_64/kernel/ptrace.c @@ -313,17 +313,9 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) switch (request) { /* when I and D space are separate, these will need to be fixed. */ case PTRACE_PEEKTEXT: /* read word at location addr. */ - case PTRACE_PEEKDATA: { - unsigned long tmp; - int copied; - - copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0); - ret = -EIO; - if (copied != sizeof(tmp)) - break; - ret = put_user(tmp,(unsigned long __user *) data); + case PTRACE_PEEKDATA: + ret = generic_ptrace_peekdata(child, addr, data); break; - } /* read the word at location addr in the USER area. */ case PTRACE_PEEKUSR: { @@ -367,10 +359,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) /* when I and D space are separate, this will have to be fixed. */ case PTRACE_POKETEXT: /* write the word at location addr. */ case PTRACE_POKEDATA: - ret = 0; - if (access_process_vm(child, addr, &data, sizeof(data), 1) == sizeof(data)) - break; - ret = -EIO; + ret = generic_ptrace_pokedata(child, addr, data); break; case PTRACE_POKEUSR: /* write the word at location addr in the USER area */ diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c index aac1c0b..74cbeb2 100644 --- a/arch/x86_64/kernel/traps.c +++ b/arch/x86_64/kernel/traps.c @@ -330,6 +330,7 @@ static int print_trace_stack(void *data, char *name) static void print_trace_address(void *data, unsigned long addr) { + touch_nmi_watchdog(); printk_address(addr); } @@ -518,6 +519,7 @@ void __kprobes __die(const char * str, struct pt_regs * regs, long err) printk("\n"); notify_die(DIE_OOPS, str, regs, err, current->thread.trap_no, SIGSEGV); show_registers(regs); + add_taint(TAINT_DIE); /* Executive summary in case the oops scrolled away */ printk(KERN_ALERT "RIP "); printk_address(regs->rip); @@ -531,7 +533,7 @@ void die(const char * str, struct pt_regs * regs, long err) unsigned long flags = oops_begin(); if (!user_mode(regs)) - report_bug(regs->rip); + report_bug(regs->rip, regs); __die(str, regs, err); oops_end(flags); diff --git a/arch/xtensa/kernel/ptrace.c b/arch/xtensa/kernel/ptrace.c index 14104ff..06a13d9 100644 --- a/arch/xtensa/kernel/ptrace.c +++ b/arch/xtensa/kernel/ptrace.c @@ -50,18 +50,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) switch (request) { case PTRACE_PEEKTEXT: /* read word at location addr. */ case PTRACE_PEEKDATA: - { - unsigned long tmp; - int copied; - - copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0); - ret = -EIO; - if (copied != sizeof(tmp)) - break; - ret = put_user(tmp,(unsigned long *) data); - + ret = generic_ptrace_peekdata(child, addr, data); goto out; - } /* Read the word at location addr in the USER area. */ @@ -138,10 +128,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) case PTRACE_POKETEXT: /* write the word at location addr. */ case PTRACE_POKEDATA: - if (access_process_vm(child, addr, &data, sizeof(data), 1) - == sizeof(data)) - break; - ret = -EIO; + ret = generic_ptrace_pokedata(child, addr, data); goto out; case PTRACE_POKEUSR: diff --git a/arch/xtensa/kernel/traps.c b/arch/xtensa/kernel/traps.c index 693ab26..c5e62f9 100644 --- a/arch/xtensa/kernel/traps.c +++ b/arch/xtensa/kernel/traps.c @@ -482,6 +482,7 @@ void die(const char * str, struct pt_regs * regs, long err) if (!user_mode(regs)) show_stack(NULL, (unsigned long*)regs->areg[1]); + add_taint(TAINT_DIE); spin_unlock_irq(&die_lock); if (in_interrupt()) |
