diff options
Diffstat (limited to 'arch/arm')
27 files changed, 460 insertions, 252 deletions
diff --git a/arch/arm/include/asm/bitops.h b/arch/arm/include/asm/bitops.h index 63a481f..338ff19 100644 --- a/arch/arm/include/asm/bitops.h +++ b/arch/arm/include/asm/bitops.h @@ -84,7 +84,7 @@ ____atomic_test_and_set_bit(unsigned int bit, volatile unsigned long *p) *p = res | mask; raw_local_irq_restore(flags); - return res & mask; + return (res & mask) != 0; } static inline int @@ -101,7 +101,7 @@ ____atomic_test_and_clear_bit(unsigned int bit, volatile unsigned long *p) *p = res & ~mask; raw_local_irq_restore(flags); - return res & mask; + return (res & mask) != 0; } static inline int @@ -118,7 +118,7 @@ ____atomic_test_and_change_bit(unsigned int bit, volatile unsigned long *p) *p = res ^ mask; raw_local_irq_restore(flags); - return res & mask; + return (res & mask) != 0; } #include <asm-generic/bitops/non-atomic.h> diff --git a/arch/arm/kernel/time.c b/arch/arm/kernel/time.c index 4cdc4a0..d38cdf2 100644 --- a/arch/arm/kernel/time.c +++ b/arch/arm/kernel/time.c @@ -21,6 +21,7 @@ #include <linux/interrupt.h> #include <linux/time.h> #include <linux/init.h> +#include <linux/sched.h> #include <linux/smp.h> #include <linux/timex.h> #include <linux/errno.h> diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 467b69e..f838f36 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -45,21 +45,21 @@ static int __init user_debug_setup(char *str) __setup("user_debug=", user_debug_setup); #endif -static void dump_mem(const char *str, unsigned long bottom, unsigned long top); +static void dump_mem(const char *, const char *, unsigned long, unsigned long); void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame) { #ifdef CONFIG_KALLSYMS - printk("[<%08lx>] ", where); - print_symbol("(%s) ", where); - printk("from [<%08lx>] ", from); - print_symbol("(%s)\n", from); + char sym1[KSYM_SYMBOL_LEN], sym2[KSYM_SYMBOL_LEN]; + sprint_symbol(sym1, where); + sprint_symbol(sym2, from); + printk("[<%08lx>] (%s) from [<%08lx>] (%s)\n", where, sym1, from, sym2); #else printk("Function entered at [<%08lx>] from [<%08lx>]\n", where, from); #endif if (in_exception_text(where)) - dump_mem("Exception stack", frame + 4, frame + 4 + sizeof(struct pt_regs)); + dump_mem("", "Exception stack", frame + 4, frame + 4 + sizeof(struct pt_regs)); } #ifndef CONFIG_ARM_UNWIND @@ -81,9 +81,10 @@ static int verify_stack(unsigned long sp) /* * Dump out the contents of some memory nicely... */ -static void dump_mem(const char *str, unsigned long bottom, unsigned long top) +static void dump_mem(const char *lvl, const char *str, unsigned long bottom, + unsigned long top) { - unsigned long p = bottom & ~31; + unsigned long first; mm_segment_t fs; int i; @@ -95,33 +96,37 @@ static void dump_mem(const char *str, unsigned long bottom, unsigned long top) fs = get_fs(); set_fs(KERNEL_DS); - printk("%s(0x%08lx to 0x%08lx)\n", str, bottom, top); + printk("%s%s(0x%08lx to 0x%08lx)\n", lvl, str, bottom, top); - for (p = bottom & ~31; p < top;) { - printk("%04lx: ", p & 0xffff); + for (first = bottom & ~31; first < top; first += 32) { + unsigned long p; + char str[sizeof(" 12345678") * 8 + 1]; - for (i = 0; i < 8; i++, p += 4) { - unsigned int val; + memset(str, ' ', sizeof(str)); + str[sizeof(str) - 1] = '\0'; - if (p < bottom || p >= top) - printk(" "); - else { - __get_user(val, (unsigned long *)p); - printk("%08x ", val); + for (p = first, i = 0; i < 8 && p < top; i++, p += 4) { + if (p >= bottom && p < top) { + unsigned long val; + if (__get_user(val, (unsigned long *)p) == 0) + sprintf(str + i * 9, " %08lx", val); + else + sprintf(str + i * 9, " ????????"); } } - printk ("\n"); + printk("%s%04lx:%s\n", lvl, first & 0xffff, str); } set_fs(fs); } -static void dump_instr(struct pt_regs *regs) +static void dump_instr(const char *lvl, struct pt_regs *regs) { unsigned long addr = instruction_pointer(regs); const int thumb = thumb_mode(regs); const int width = thumb ? 4 : 8; mm_segment_t fs; + char str[sizeof("00000000 ") * 5 + 2 + 1], *p = str; int i; /* @@ -132,7 +137,6 @@ static void dump_instr(struct pt_regs *regs) fs = get_fs(); set_fs(KERNEL_DS); - printk("Code: "); for (i = -4; i < 1; i++) { unsigned int val, bad; @@ -142,13 +146,14 @@ static void dump_instr(struct pt_regs *regs) bad = __get_user(val, &((u32 *)addr)[i]); if (!bad) - printk(i == 0 ? "(%0*x) " : "%0*x ", width, val); + p += sprintf(p, i == 0 ? "(%0*x) " : "%0*x ", + width, val); else { - printk("bad PC value."); + p += sprintf(p, "bad PC value"); break; } } - printk("\n"); + printk("%sCode: %s\n", lvl, str); set_fs(fs); } @@ -224,18 +229,19 @@ static void __die(const char *str, int err, struct thread_info *thread, struct p struct task_struct *tsk = thread->task; static int die_counter; - printk("Internal error: %s: %x [#%d]" S_PREEMPT S_SMP "\n", + printk(KERN_EMERG "Internal error: %s: %x [#%d]" S_PREEMPT S_SMP "\n", str, err, ++die_counter); + sysfs_printk_last_file(); print_modules(); __show_regs(regs); - printk("Process %s (pid: %d, stack limit = 0x%p)\n", - tsk->comm, task_pid_nr(tsk), thread + 1); + printk(KERN_EMERG "Process %.*s (pid: %d, stack limit = 0x%p)\n", + TASK_COMM_LEN, tsk->comm, task_pid_nr(tsk), thread + 1); if (!user_mode(regs) || in_interrupt()) { - dump_mem("Stack: ", regs->ARM_sp, + dump_mem(KERN_EMERG, "Stack: ", regs->ARM_sp, THREAD_SIZE + (unsigned long)task_stack_page(tsk)); dump_backtrace(regs, tsk); - dump_instr(regs); + dump_instr(KERN_EMERG, regs); } } @@ -250,13 +256,14 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err) oops_enter(); - console_verbose(); spin_lock_irq(&die_lock); + console_verbose(); bust_spinlocks(1); __die(str, err, thread, regs); bust_spinlocks(0); add_taint(TAINT_DIE); spin_unlock_irq(&die_lock); + oops_exit(); if (in_interrupt()) panic("Fatal exception in interrupt"); @@ -264,7 +271,6 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err) if (panic_on_oops) panic("Fatal exception"); - oops_exit(); do_exit(SIGSEGV); } @@ -349,7 +355,7 @@ asmlinkage void __exception do_undefinstr(struct pt_regs *regs) if (user_debug & UDBG_UNDEFINED) { printk(KERN_INFO "%s (%d): undefined instruction: pc=%p\n", current->comm, task_pid_nr(current), pc); - dump_instr(regs); + dump_instr(KERN_INFO, regs); } #endif @@ -400,7 +406,7 @@ static int bad_syscall(int n, struct pt_regs *regs) if (user_debug & UDBG_SYSCALL) { printk(KERN_ERR "[%d] %s: obsolete system call %08x.\n", task_pid_nr(current), current->comm, n); - dump_instr(regs); + dump_instr(KERN_ERR, regs); } #endif @@ -579,7 +585,7 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs) if (user_debug & UDBG_SYSCALL) { printk("[%d] %s: arm syscall %d\n", task_pid_nr(current), current->comm, no); - dump_instr(regs); + dump_instr("", regs); if (user_mode(regs)) { __show_regs(regs); c_backtrace(regs->ARM_fp, processor_mode(regs)); @@ -656,7 +662,7 @@ baddataabort(int code, unsigned long instr, struct pt_regs *regs) if (user_debug & UDBG_BADABORT) { printk(KERN_ERR "[%d] %s: bad data abort: code %d instr 0x%08lx\n", task_pid_nr(current), current->comm, code, instr); - dump_instr(regs); + dump_instr(KERN_ERR, regs); show_pte(current->mm, addr); } #endif diff --git a/arch/arm/mach-bcmring/core.c b/arch/arm/mach-bcmring/core.c index 4b4f692..e590bbe 100644 --- a/arch/arm/mach-bcmring/core.c +++ b/arch/arm/mach-bcmring/core.c @@ -271,12 +271,12 @@ static struct irqaction bcmring_timer_irq = { .handler = bcmring_timer_interrupt, }; -static cycle_t bcmring_get_cycles_timer1(void) +static cycle_t bcmring_get_cycles_timer1(struct clocksource *cs) { return ~readl(TIMER1_VA_BASE + TIMER_VALUE); } -static cycle_t bcmring_get_cycles_timer3(void) +static cycle_t bcmring_get_cycles_timer3(struct clocksource *cs) { return ~readl(TIMER3_VA_BASE + TIMER_VALUE); } diff --git a/arch/arm/mach-bcmring/include/mach/system.h b/arch/arm/mach-bcmring/include/mach/system.h index cdbf93c..38b3706 100644 --- a/arch/arm/mach-bcmring/include/mach/system.h +++ b/arch/arm/mach-bcmring/include/mach/system.h @@ -29,7 +29,7 @@ static inline void arch_idle(void) cpu_do_idle(); } -static inline void arch_reset(char mode, char *cmd) +static inline void arch_reset(char mode, const char *cmd) { printk("arch_reset:%c %x\n", mode, bcmring_arch_warm_reboot); diff --git a/arch/arm/mach-ep93xx/Kconfig b/arch/arm/mach-ep93xx/Kconfig index d7291c6..9167c3d 100644 --- a/arch/arm/mach-ep93xx/Kconfig +++ b/arch/arm/mach-ep93xx/Kconfig @@ -17,13 +17,31 @@ config EP93XX_SDCE3_SYNC_PHYS_OFFSET bool "0x00000000 - SDCE3/SyncBoot" help Select this option if you want support for EP93xx boards with the - first SDRAM bank at 0x00000000 + first SDRAM bank at 0x00000000. config EP93XX_SDCE0_PHYS_OFFSET bool "0xc0000000 - SDCEO" help Select this option if you want support for EP93xx boards with the - first SDRAM bank at 0xc0000000 + first SDRAM bank at 0xc0000000. + +config EP93XX_SDCE1_PHYS_OFFSET + bool "0xd0000000 - SDCE1" + help + Select this option if you want support for EP93xx boards with the + first SDRAM bank at 0xd0000000. + +config EP93XX_SDCE2_PHYS_OFFSET + bool "0xe0000000 - SDCE2" + help + Select this option if you want support for EP93xx boards with the + first SDRAM bank at 0xe0000000. + +config EP93XX_SDCE3_ASYNC_PHYS_OFFSET + bool "0xf0000000 - SDCE3/AsyncBoot" + help + Select this option if you want support for EP93xx boards with the + first SDRAM bank at 0xf0000000. endchoice @@ -112,28 +130,36 @@ config MACH_MICRO9 bool config MACH_MICRO9H - bool "Support Contec Hypercontrol Micro9-H" + bool "Support Contec Micro9-High" depends on EP93XX_SDCE3_SYNC_PHYS_OFFSET select MACH_MICRO9 help Say 'Y' here if you want your kernel to support the - Contec Hypercontrol Micro9-H board. + Contec Micro9-High board. config MACH_MICRO9M - bool "Support Contec Hypercontrol Micro9-M" - depends on EP93XX_SDCE3_SYNC_PHYS_OFFSET + bool "Support Contec Micro9-Mid" + depends on EP93XX_SDCE3_ASYNC_PHYS_OFFSET select MACH_MICRO9 help Say 'Y' here if you want your kernel to support the - Contec Hypercontrol Micro9-M board. + Contec Micro9-Mid board. config MACH_MICRO9L - bool "Support Contec Hypercontrol Micro9-L" + bool "Support Contec Micro9-Lite" depends on EP93XX_SDCE3_SYNC_PHYS_OFFSET select MACH_MICRO9 help Say 'Y' here if you want your kernel to support the - Contec Hypercontrol Micro9-L board. + Contec Micro9-Lite board. + +config MACH_MICRO9S + bool "Support Contec Micro9-Slim" + depends on EP93XX_SDCE3_ASYNC_PHYS_OFFSET + select MACH_MICRO9 + help + Say 'Y' here if you want your kernel to support the + Contec Micro9-Slim board. config MACH_TS72XX bool "Support Technologic Systems TS-72xx SBC" diff --git a/arch/arm/mach-ep93xx/Makefile.boot b/arch/arm/mach-ep93xx/Makefile.boot index 27a085a..0ad33f1 100644 --- a/arch/arm/mach-ep93xx/Makefile.boot +++ b/arch/arm/mach-ep93xx/Makefile.boot @@ -3,3 +3,12 @@ params_phys-$(CONFIG_EP93XX_SDCE3_SYNC_PHYS_OFFSET) := 0x00000100 zreladdr-$(CONFIG_EP93XX_SDCE0_PHYS_OFFSET) := 0xc0008000 params_phys-$(CONFIG_EP93XX_SDCE0_PHYS_OFFSET) := 0xc0000100 + + zreladdr-$(CONFIG_EP93XX_SDCE1_PHYS_OFFSET) := 0xd0008000 +params_phys-$(CONFIG_EP93XX_SDCE1_PHYS_OFFSET) := 0xd0000100 + + zreladdr-$(CONFIG_EP93XX_SDCE2_PHYS_OFFSET) := 0xe0008000 +params_phys-$(CONFIG_EP93XX_SDCE2_PHYS_OFFSET) := 0xe0000100 + + zreladdr-$(CONFIG_EP93XX_SDCE3_ASYNC_PHYS_OFFSET) := 0xf0008000 +params_phys-$(CONFIG_EP93XX_SDCE3_ASYNC_PHYS_OFFSET) := 0xf0000100 diff --git a/arch/arm/mach-ep93xx/clock.c b/arch/arm/mach-ep93xx/clock.c index dda19cd7..1d0f9d8 100644 --- a/arch/arm/mach-ep93xx/clock.c +++ b/arch/arm/mach-ep93xx/clock.c @@ -16,13 +16,16 @@ #include <linux/module.h> #include <linux/string.h> #include <linux/io.h> +#include <linux/spinlock.h> + +#include <mach/hardware.h> #include <asm/clkdev.h> #include <asm/div64.h> -#include <mach/hardware.h> struct clk { + struct clk *parent; unsigned long rate; int users; int sw_locked; @@ -39,40 +42,60 @@ static unsigned long get_uart_rate(struct clk *clk); static int set_keytchclk_rate(struct clk *clk, unsigned long rate); static int set_div_rate(struct clk *clk, unsigned long rate); + +static struct clk clk_xtali = { + .rate = EP93XX_EXT_CLK_RATE, +}; static struct clk clk_uart1 = { + .parent = &clk_xtali, .sw_locked = 1, .enable_reg = EP93XX_SYSCON_DEVCFG, .enable_mask = EP93XX_SYSCON_DEVCFG_U1EN, .get_rate = get_uart_rate, }; static struct clk clk_uart2 = { + .parent = &clk_xtali, .sw_locked = 1, .enable_reg = EP93XX_SYSCON_DEVCFG, .enable_mask = EP93XX_SYSCON_DEVCFG_U2EN, .get_rate = get_uart_rate, }; static struct clk clk_uart3 = { + .parent = &clk_xtali, .sw_locked = 1, .enable_reg = EP93XX_SYSCON_DEVCFG, .enable_mask = EP93XX_SYSCON_DEVCFG_U3EN, .get_rate = get_uart_rate, }; -static struct clk clk_pll1; -static struct clk clk_f; -static struct clk clk_h; -static struct clk clk_p; -static struct clk clk_pll2; +static struct clk clk_pll1 = { + .parent = &clk_xtali, +}; +static struct clk clk_f = { + .parent = &clk_pll1, +}; +static struct clk clk_h = { + .parent = &clk_pll1, +}; +static struct clk clk_p = { + .parent = &clk_pll1, +}; +static struct clk clk_pll2 = { + .parent = &clk_xtali, +}; static struct clk clk_usb_host = { + .parent = &clk_pll2, .enable_reg = EP93XX_SYSCON_PWRCNT, .enable_mask = EP93XX_SYSCON_PWRCNT_USH_EN, }; static struct clk clk_keypad = { + .parent = &clk_xtali, .sw_locked = 1, .enable_reg = EP93XX_SYSCON_KEYTCHCLKDIV, .enable_mask = EP93XX_SYSCON_KEYTCHCLKDIV_KEN, .set_rate = set_keytchclk_rate, }; static struct clk clk_pwm = { + .parent = &clk_xtali, .rate = EP93XX_EXT_CLK_RATE, }; @@ -85,50 +108,62 @@ static struct clk clk_video = { /* DMA Clocks */ static struct clk clk_m2p0 = { + .parent = &clk_h, .enable_reg = EP93XX_SYSCON_PWRCNT, .enable_mask = EP93XX_SYSCON_PWRCNT_DMA_M2P0, }; static struct clk clk_m2p1 = { + .parent = &clk_h, .enable_reg = EP93XX_SYSCON_PWRCNT, .enable_mask = EP93XX_SYSCON_PWRCNT_DMA_M2P1, }; static struct clk clk_m2p2 = { + .parent = &clk_h, .enable_reg = EP93XX_SYSCON_PWRCNT, .enable_mask = EP93XX_SYSCON_PWRCNT_DMA_M2P2, }; static struct clk clk_m2p3 = { + .parent = &clk_h, .enable_reg = EP93XX_SYSCON_PWRCNT, .enable_mask = EP93XX_SYSCON_PWRCNT_DMA_M2P3, }; static struct clk clk_m2p4 = { + .parent = &clk_h, .enable_reg = EP93XX_SYSCON_PWRCNT, .enable_mask = EP93XX_SYSCON_PWRCNT_DMA_M2P4, }; static struct clk clk_m2p5 = { + .parent = &clk_h, .enable_reg = EP93XX_SYSCON_PWRCNT, .enable_mask = EP93XX_SYSCON_PWRCNT_DMA_M2P5, }; static struct clk clk_m2p6 = { + .parent = &clk_h, .enable_reg = EP93XX_SYSCON_PWRCNT, .enable_mask = EP93XX_SYSCON_PWRCNT_DMA_M2P6, }; static struct clk clk_m2p7 = { + .parent = &clk_h, .enable_reg = EP93XX_SYSCON_PWRCNT, .enable_mask = EP93XX_SYSCON_PWRCNT_DMA_M2P7, }; static struct clk clk_m2p8 = { + .parent = &clk_h, .enable_reg = EP93XX_SYSCON_PWRCNT, .enable_mask = EP93XX_SYSCON_PWRCNT_DMA_M2P8, }; static struct clk clk_m2p9 = { + .parent = &clk_h, .enable_reg = EP93XX_SYSCON_PWRCNT, .enable_mask = EP93XX_SYSCON_PWRCNT_DMA_M2P9, }; static struct clk clk_m2m0 = { + .parent = &clk_h, .enable_reg = EP93XX_SYSCON_PWRCNT, .enable_mask = EP93XX_SYSCON_PWRCNT_DMA_M2M0, }; static struct clk clk_m2m1 = { + .parent = &clk_h, .enable_reg = EP93XX_SYSCON_PWRCNT, .enable_mask = EP93XX_SYSCON_PWRCNT_DMA_M2M1, }; @@ -137,6 +172,7 @@ static struct clk clk_m2m1 = { { .dev_id = dev, .con_id = con, .clk = ck } static struct clk_lookup clocks[] = { + INIT_CK(NULL, "xtali", &clk_xtali), INIT_CK("apb:uart1", NULL, &clk_uart1), INIT_CK("apb:uart2", NULL, &clk_uart2), INIT_CK("apb:uart3", NULL, &clk_uart3), @@ -163,48 +199,84 @@ static struct clk_lookup clocks[] = { INIT_CK(NULL, "m2m1", &clk_m2m1), }; +static DEFINE_SPINLOCK(clk_lock); + +static void __clk_enable(struct clk *clk) +{ + if (!clk->users++) { + if (clk->parent) + __clk_enable(clk->parent); + + if (clk->enable_reg) { + u32 v; + + v = __raw_readl(clk->enable_reg); + v |= clk->enable_mask; + if (clk->sw_locked) + ep93xx_syscon_swlocked_write(v, clk->enable_reg); + else + __raw_writel(v, clk->enable_reg); + } + } +} int clk_enable(struct clk *clk) { - if (!clk->users++ && clk->enable_reg) { - u32 value; + unsigned long flags; - value = __raw_readl(clk->enable_reg); - value |= clk->enable_mask; - if (clk->sw_locked) - ep93xx_syscon_swlocked_write(value, clk->enable_reg); - else - __raw_writel(value, clk->enable_reg); - } + if (!clk) + return -EINVAL; + + spin_lock_irqsave(&clk_lock, flags); + __clk_enable(clk); + spin_unlock_irqrestore(&clk_lock, flags); return 0; } EXPORT_SYMBOL(clk_enable); -void clk_disable(struct clk *clk) +static void __clk_disable(struct clk *clk) { - if (!--clk->users && clk->enable_reg) { - u32 value; + if (!--clk->users) { + if (clk->enable_reg) { + u32 v; + + v = __raw_readl(clk->enable_reg); + v &= ~clk->enable_mask; + if (clk->sw_locked) + ep93xx_syscon_swlocked_write(v, clk->enable_reg); + else + __raw_writel(v, clk->enable_reg); + } - value = __raw_readl(clk->enable_reg); - value &= ~clk->enable_mask; - if (clk->sw_locked) - ep93xx_syscon_swlocked_write(value, clk->enable_reg); - else - __raw_writel(value, clk->enable_reg); + if (clk->parent) + __clk_disable(clk->parent); } } + +void clk_disable(struct clk *clk) +{ + unsigned long flags; + + if (!clk) + return; + + spin_lock_irqsave(&clk_lock, flags); + __clk_disable(clk); + spin_unlock_irqrestore(&clk_lock, flags); +} EXPORT_SYMBOL(clk_disable); static unsigned long get_uart_rate(struct clk *clk) { + unsigned long rate = clk_get_rate(clk->parent); u32 value; value = __raw_readl(EP93XX_SYSCON_PWRCNT); if (value & EP93XX_SYSCON_PWRCNT_UARTBAUD) - return EP93XX_EXT_CLK_RATE; + return rate; else - return EP93XX_EXT_CLK_RATE / 2; + return rate / 2; } unsigned long clk_get_rate(struct clk *clk) @@ -244,16 +316,16 @@ static int set_keytchclk_rate(struct clk *clk, unsigned long rate) return 0; } -static unsigned long calc_clk_div(unsigned long rate, int *psel, int *esel, - int *pdiv, int *div) +static int calc_clk_div(struct clk *clk, unsigned long rate, + int *psel, int *esel, int *pdiv, int *div) { - unsigned long max_rate, best_rate = 0, - actual_rate = 0, mclk_rate = 0, rate_err = -1; + struct clk *mclk; + unsigned long max_rate, actual_rate, mclk_rate, rate_err = -1; int i, found = 0, __div = 0, __pdiv = 0; /* Don't exceed the maximum rate */ max_rate = max(max(clk_pll1.rate / 4, clk_pll2.rate / 4), - (unsigned long)EP93XX_EXT_CLK_RATE / 4); + clk_xtali.rate / 4); rate = min(rate, max_rate); /* @@ -267,11 +339,12 @@ static unsigned long calc_clk_div(unsigned long rate, int *psel, int *esel, */ for (i = 0; i < 3; i++) { if (i == 0) - mclk_rate = EP93XX_EXT_CLK_RATE * 2; + mclk = &clk_xtali; else if (i == 1) - mclk_rate = clk_pll1.rate * 2; - else if (i == 2) - mclk_rate = clk_pll2.rate * 2; + mclk = &clk_pll1; + else + mclk = &clk_pll2; + mclk_rate = mclk->rate * 2; /* Try each predivider value */ for (__pdiv = 4; __pdiv <= 6; __pdiv++) { @@ -286,7 +359,8 @@ static unsigned long calc_clk_div(unsigned long rate, int *psel, int *esel, *div = __div; *psel = (i == 2); *esel = (i != 0); - best_rate = actual_rate; + clk->parent = mclk; + clk->rate = actual_rate; rate_err = abs(actual_rate - rate); found = 1; } @@ -294,21 +368,19 @@ static unsigned long calc_clk_div(unsigned long rate, int *psel, int *esel, } if (!found) - return 0; + return -EINVAL; - return best_rate; + return 0; } static int set_div_rate(struct clk *clk, unsigned long rate) { - unsigned long actual_rate; - int psel = 0, esel = 0, pdiv = 0, div = 0; + int err, psel = 0, esel = 0, pdiv = 0, div = 0; u32 val; - actual_rate = calc_clk_div(rate, &psel, &esel, &pdiv, &div); - if (actual_rate == 0) - return -EINVAL; - clk->rate = actual_rate; + err = calc_clk_div(clk, rate, &psel, &esel, &pdiv, &div); + if (err) + return err; /* Clear the esel, psel, pdiv and div bits */ val = __raw_readl(clk->enable_reg); @@ -344,7 +416,7 @@ static unsigned long calc_pll_rate(u32 config_word) unsigned long long rate; int i; - rate = EP93XX_EXT_CLK_RATE; + rate = clk_xtali.rate; rate *= ((config_word >> 11) & 0x1f) + 1; /* X1FBD */ rate *= ((config_word >> 5) & 0x3f) + 1; /* X2FBD */ do_div(rate, (config_word & 0x1f) + 1); /* X2IPD */ @@ -377,7 +449,7 @@ static int __init ep93xx_clock_init(void) value = __raw_readl(EP93XX_SYSCON_CLOCK_SET1); if (!(value & 0x00800000)) { /* PLL1 bypassed? */ - clk_pll1.rate = EP93XX_EXT_CLK_RATE; + clk_pll1.rate = clk_xtali.rate; } else { clk_pll1.rate = calc_pll_rate(value); } @@ -388,7 +460,7 @@ static int __init ep93xx_clock_init(void) value = __raw_readl(EP93XX_SYSCON_CLOCK_SET2); if (!(value & 0x00080000)) { /* PLL2 bypassed? */ - clk_pll2.rate = EP93XX_EXT_CLK_RATE; + clk_pll2.rate = clk_xtali.rate; } else if (value & 0x00040000) { /* PLL2 enabled? */ clk_pll2.rate = calc_pll_rate(value); } else { diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c index f7ebed9..f95dc16 100644 --- a/arch/arm/mach-ep93xx/core.c +++ b/arch/arm/mach-ep93xx/core.c @@ -550,13 +550,11 @@ void __init ep93xx_register_eth(struct ep93xx_eth_data *data, int copy_addr) platform_device_register(&ep93xx_eth_device); } -static struct i2c_gpio_platform_data ep93xx_i2c_data = { - .sda_pin = EP93XX_GPIO_LINE_EEDAT, - .sda_is_open_drain = 0, - .scl_pin = EP93XX_GPIO_LINE_EECLK, - .scl_is_open_drain = 0, - .udelay = 2, -}; + +/************************************************************************* + * EP93xx i2c peripheral handling + *************************************************************************/ +static struct i2c_gpio_platform_data ep93xx_i2c_data; static struct platform_device ep93xx_i2c_device = { .name = "i2c-gpio", @@ -564,8 +562,25 @@ static struct platform_device ep93xx_i2c_device = { .dev.platform_data = &ep93xx_i2c_data, }; -void __init ep93xx_register_i2c(struct i2c_board_info *devices, int num) +void __init ep93xx_register_i2c(struct i2c_gpio_platform_data *data, + struct i2c_board_info *devices, int num) { + /* + * Set the EEPROM interface pin drive type control. + * Defines the driver type for the EECLK and EEDAT pins as either + * open drain, which will require an external pull-up, or a normal + * CMOS driver. + */ + if (data->sda_is_open_drain && data->sda_pin != EP93XX_GPIO_LINE_EEDAT) + pr_warning("ep93xx: sda != EEDAT, open drain has no effect\n"); + if (data->scl_is_open_drain && data->scl_pin != EP93XX_GPIO_LINE_EECLK) + pr_warning("ep93xx: scl != EECLK, open drain has no effect\n"); + + __raw_writel((data->sda_is_open_drain << 1) | + (data->scl_is_open_drain << 0), + EP93XX_GPIO_EEDRIVE); + + ep93xx_i2c_data = *data; i2c_register_board_info(0, devices, num); platform_device_register(&ep93xx_i2c_device); } diff --git a/arch/arm/mach-ep93xx/edb93xx.c b/arch/arm/mach-ep93xx/edb93xx.c index 73145ae..ca71cf1a 100644 --- a/arch/arm/mach-ep93xx/edb93xx.c +++ b/arch/arm/mach-ep93xx/edb93xx.c @@ -27,8 +27,10 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/platform_device.h> -#include <linux/i2c.h> #include <linux/mtd/physmap.h> +#include <linux/gpio.h> +#include <linux/i2c.h> +#include <linux/i2c-gpio.h> #include <mach/hardware.h> @@ -76,13 +78,26 @@ static struct ep93xx_eth_data edb93xx_eth_data = { .phy_id = 1, }; -static struct i2c_board_info __initdata edb93xxa_i2c_data[] = { + +/************************************************************************* + * EDB93xx i2c peripheral handling + *************************************************************************/ +static struct i2c_gpio_platform_data edb93xx_i2c_gpio_data = { + .sda_pin = EP93XX_GPIO_LINE_EEDAT, + .sda_is_open_drain = 0, + .scl_pin = EP93XX_GPIO_LINE_EECLK, + .scl_is_open_drain = 0, + .udelay = 0, /* default to 100 kHz */ + .timeout = 0, /* default to 100 ms */ +}; + +static struct i2c_board_info __initdata edb93xxa_i2c_board_info[] = { { I2C_BOARD_INFO("isl1208", 0x6f), }, }; -static struct i2c_board_info __initdata edb93xx_i2c_data[] = { +static struct i2c_board_info __initdata edb93xx_i2c_board_info[] = { { I2C_BOARD_INFO("ds1337", 0x68), }, @@ -92,12 +107,14 @@ static void __init edb93xx_register_i2c(void) { if (machine_is_edb9302a() || machine_is_edb9307a() || machine_is_edb9315a()) { - ep93xx_register_i2c(edb93xxa_i2c_data, - ARRAY_SIZE(edb93xxa_i2c_data)); + ep93xx_register_i2c(&edb93xx_i2c_gpio_data, + edb93xxa_i2c_board_info, + ARRAY_SIZE(edb93xxa_i2c_board_info)); } else if (machine_is_edb9307() || machine_is_edb9312() || machine_is_edb9315()) { - ep93xx_register_i2c(edb93xx_i2c_data, - ARRAY_SIZE(edb93xx_i2c_data)); + ep93xx_register_i2c(&edb93xx_i2c_gpio_data + edb93xx_i2c_board_info, + ARRAY_SIZE(edb93xx_i2c_board_info)); } } diff --git a/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h b/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h index 0fbf87b..b1f937e 100644 --- a/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h +++ b/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h @@ -52,25 +52,27 @@ #define EP93XX_AHB_VIRT_BASE 0xfef00000 #define EP93XX_AHB_SIZE 0x00100000 +#define EP93XX_AHB_PHYS(x) (EP93XX_AHB_PHYS_BASE + (x)) #define EP93XX_AHB_IOMEM(x) IOMEM(EP93XX_AHB_VIRT_BASE + (x)) #define EP93XX_APB_PHYS_BASE 0x80800000 #define EP93XX_APB_VIRT_BASE 0xfed00000 #define EP93XX_APB_SIZE 0x00200000 +#define EP93XX_APB_PHYS(x) (EP93XX_APB_PHYS_BASE + (x)) #define EP93XX_APB_IOMEM(x) IOMEM(EP93XX_APB_VIRT_BASE + (x)) /* AHB peripherals */ #define EP93XX_DMA_BASE EP93XX_AHB_IOMEM(0x00000000) -#define EP93XX_ETHERNET_PHYS_BASE (EP93XX_AHB_PHYS_BASE + 0x00010000) +#define EP93XX_ETHERNET_PHYS_BASE EP93XX_AHB_PHYS(0x00010000) #define EP93XX_ETHERNET_BASE EP93XX_AHB_IOMEM(0x00010000) -#define EP93XX_USB_PHYS_BASE (EP93XX_AHB_PHYS_BASE + 0x00020000) +#define EP93XX_USB_PHYS_BASE EP93XX_AHB_PHYS(0x00020000) #define EP93XX_USB_BASE EP93XX_AHB_IOMEM(0x00020000) -#define EP93XX_RASTER_PHYS_BASE (EP93XX_AHB_PHYS_BASE + 0x00030000) +#define EP93XX_RASTER_PHYS_BASE EP93XX_AHB_PHYS(0x00030000) #define EP93XX_RASTER_BASE EP93XX_AHB_IOMEM(0x00030000) #define EP93XX_GRAPHICS_ACCEL_BASE EP93XX_AHB_IOMEM(0x00040000) @@ -112,21 +114,10 @@ #define EP93XX_GPIO_BASE EP93XX_APB_IOMEM(0x00040000) #define EP93XX_GPIO_REG(x) (EP93XX_GPIO_BASE + (x)) -#define EP93XX_GPIO_F_INT_TYPE1 EP93XX_GPIO_REG(0x4c) -#define EP93XX_GPIO_F_INT_TYPE2 EP93XX_GPIO_REG(0x50) -#define EP93XX_GPIO_F_INT_ACK EP93XX_GPIO_REG(0x54) -#define EP93XX_GPIO_F_INT_ENABLE EP93XX_GPIO_REG(0x58) #define EP93XX_GPIO_F_INT_STATUS EP93XX_GPIO_REG(0x5c) -#define EP93XX_GPIO_A_INT_TYPE1 EP93XX_GPIO_REG(0x90) -#define EP93XX_GPIO_A_INT_TYPE2 EP93XX_GPIO_REG(0x94) -#define EP93XX_GPIO_A_INT_ACK EP93XX_GPIO_REG(0x98) -#define EP93XX_GPIO_A_INT_ENABLE EP93XX_GPIO_REG(0x9c) #define EP93XX_GPIO_A_INT_STATUS EP93XX_GPIO_REG(0xa0) -#define EP93XX_GPIO_B_INT_TYPE1 EP93XX_GPIO_REG(0xac) -#define EP93XX_GPIO_B_INT_TYPE2 EP93XX_GPIO_REG(0xb0) -#define EP93XX_GPIO_B_INT_ACK EP93XX_GPIO_REG(0xb4) -#define EP93XX_GPIO_B_INT_ENABLE EP93XX_GPIO_REG(0xb8) #define EP93XX_GPIO_B_INT_STATUS EP93XX_GPIO_REG(0xbc) +#define EP93XX_GPIO_EEDRIVE EP93XX_GPIO_REG(0xc8) #define EP93XX_AAC_BASE EP93XX_APB_IOMEM(0x00080000) @@ -134,13 +125,13 @@ #define EP93XX_IRDA_BASE EP93XX_APB_IOMEM(0x000b0000) -#define EP93XX_UART1_PHYS_BASE (EP93XX_APB_PHYS_BASE + 0x000c0000) +#define EP93XX_UART1_PHYS_BASE EP93XX_APB_PHYS(0x000c0000) #define EP93XX_UART1_BASE EP93XX_APB_IOMEM(0x000c0000) -#define EP93XX_UART2_PHYS_BASE (EP93XX_APB_PHYS_BASE + 0x000d0000) +#define EP93XX_UART2_PHYS_BASE EP93XX_APB_PHYS(0x000d0000) #define EP93XX_UART2_BASE EP93XX_APB_IOMEM(0x000d0000) -#define EP93XX_UART3_PHYS_BASE (EP93XX_APB_PHYS_BASE + 0x000e0000) +#define EP93XX_UART3_PHYS_BASE EP93XX_APB_PHYS(0x000e0000) #define EP93XX_UART3_BASE EP93XX_APB_IOMEM(0x000e0000) #define EP93XX_KEY_MATRIX_BASE EP93XX_APB_IOMEM(0x000f0000) @@ -148,10 +139,10 @@ #define EP93XX_ADC_BASE EP93XX_APB_IOMEM(0x00100000) #define EP93XX_TOUCHSCREEN_BASE EP93XX_APB_IOMEM(0x00100000) -#define EP93XX_PWM_PHYS_BASE (EP93XX_APB_PHYS_BASE + 0x00110000) +#define EP93XX_PWM_PHYS_BASE EP93XX_APB_PHYS(0x00110000) #define EP93XX_PWM_BASE EP93XX_APB_IOMEM(0x00110000) -#define EP93XX_RTC_PHYS_BASE (EP93XX_APB_PHYS_BASE + 0x00120000) +#define EP93XX_RTC_PHYS_BASE EP93XX_APB_PHYS(0x00120000) #define EP93XX_RTC_BASE EP93XX_APB_IOMEM(0x00120000) #define EP93XX_SYSCON_BASE EP93XX_APB_IOMEM(0x00130000) @@ -218,6 +209,17 @@ #define EP93XX_SYSCON_KEYTCHCLKDIV_ADIV (1<<16) #define EP93XX_SYSCON_KEYTCHCLKDIV_KEN (1<<15) #define EP93XX_SYSCON_KEYTCHCLKDIV_KDIV (1<<0) +#define EP93XX_SYSCON_SYSCFG EP93XX_SYSCON_REG(0x9c) +#define EP93XX_SYSCON_SYSCFG_REV_MASK (0xf0000000) +#define EP93XX_SYSCON_SYSCFG_REV_SHIFT (28) +#define EP93XX_SYSCON_SYSCFG_SBOOT (1<<8) +#define EP93XX_SYSCON_SYSCFG_LCSN7 (1<<7) +#define EP93XX_SYSCON_SYSCFG_LCSN6 (1<<6) +#define EP93XX_SYSCON_SYSCFG_LASDO (1<<5) +#define EP93XX_SYSCON_SYSCFG_LEEDA (1<<4) +#define EP93XX_SYSCON_SYSCFG_LEECLK (1<<3) +#define EP93XX_SYSCON_SYSCFG_LCSN2 (1<<1) +#define EP93XX_SYSCON_SYSCFG_LCSN1 (1<<0) #define EP93XX_SYSCON_SWLOCK EP93XX_SYSCON_REG(0xc0) #define EP93XX_WATCHDOG_BASE EP93XX_APB_IOMEM(0x00140000) diff --git a/arch/arm/mach-ep93xx/include/mach/gpio.h b/arch/arm/mach-ep93xx/include/mach/gpio.h index 0a1498a..c991b14 100644 --- a/arch/arm/mach-ep93xx/include/mach/gpio.h +++ b/arch/arm/mach-ep93xx/include/mach/gpio.h @@ -114,17 +114,9 @@ extern void ep93xx_gpio_int_debounce(unsigned int irq, int enable); * B0..B7 (7..15) to irq 72..79, and * F0..F7 (16..24) to irq 80..87. */ -static inline int gpio_to_irq(unsigned gpio) -{ - if (gpio <= EP93XX_GPIO_LINE_MAX_IRQ) - return 64 + gpio; - - return -EINVAL; -} - -static inline int irq_to_gpio(unsigned irq) -{ - return irq - gpio_to_irq(0); -} +#define gpio_to_irq(gpio) \ + (((gpio) <= EP93XX_GPIO_LINE_MAX_IRQ) ? (64 + (gpio)) : -EINVAL) + +#define irq_to_gpio(irq) ((irq) - gpio_to_irq(0)) #endif diff --git a/arch/arm/mach-ep93xx/include/mach/memory.h b/arch/arm/mach-ep93xx/include/mach/memory.h index 925b12e..554064e 100644 --- a/arch/arm/mach-ep93xx/include/mach/memory.h +++ b/arch/arm/mach-ep93xx/include/mach/memory.h @@ -9,6 +9,12 @@ #define PHYS_OFFSET UL(0x00000000) #elif defined(CONFIG_EP93XX_SDCE0_PHYS_OFFSET) #define PHYS_OFFSET UL(0xc0000000) +#elif defined(CONFIG_EP93XX_SDCE1_PHYS_OFFSET) +#define PHYS_OFFSET UL(0xd0000000) +#elif defined(CONFIG_EP93XX_SDCE2_PHYS_OFFSET) +#define PHYS_OFFSET UL(0xe0000000) +#elif defined(CONFIG_EP93XX_SDCE3_ASYNC_PHYS_OFFSET) +#define PHYS_OFFSET UL(0xf0000000) #else #error "Kconfig bug: No EP93xx PHYS_OFFSET set" #endif diff --git a/arch/arm/mach-ep93xx/include/mach/platform.h b/arch/arm/mach-ep93xx/include/mach/platform.h index 01a0f08..a3ec33f 100644 --- a/arch/arm/mach-ep93xx/include/mach/platform.h +++ b/arch/arm/mach-ep93xx/include/mach/platform.h @@ -4,6 +4,7 @@ #ifndef __ASSEMBLY__ +struct i2c_gpio_platform_data; struct i2c_board_info; struct platform_device; struct ep93xxfb_mach_info; @@ -33,7 +34,8 @@ static inline void ep93xx_devcfg_clear_bits(unsigned int bits) } void ep93xx_register_eth(struct ep93xx_eth_data *data, int copy_addr); -void ep93xx_register_i2c(struct i2c_board_info *devices, int num); +void ep93xx_register_i2c(struct i2c_gpio_platform_data *data, + struct i2c_board_info *devices, int num); void ep93xx_register_fb(struct ep93xxfb_mach_info *data); void ep93xx_register_pwm(int pwm0, int pwm1); int ep93xx_pwm_acquire_gpio(struct platform_device *pdev); diff --git a/arch/arm/mach-ep93xx/micro9.c b/arch/arm/mach-ep93xx/micro9.c index 0a313e8..d83b804 100644 --- a/arch/arm/mach-ep93xx/micro9.c +++ b/arch/arm/mach-ep93xx/micro9.c @@ -2,7 +2,9 @@ * linux/arch/arm/mach-ep93xx/micro9.c * * Copyright (C) 2006 Contec Steuerungstechnik & Automation GmbH - * Manfred Gruber <manfred.gruber@contec.at> + * Manfred Gruber <m.gruber@tirol.com> + * Copyright (C) 2009 Contec Steuerungstechnik & Automation GmbH + * Hubert Feurstein <hubert.feurstein@contec.at> * * 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 @@ -20,104 +22,124 @@ #include <asm/mach/arch.h> -static struct ep93xx_eth_data micro9_eth_data = { - .phy_id = 0x1f, -}; - -static void __init micro9_init(void) -{ - ep93xx_register_eth(µ9_eth_data, 1); -} - -/* - * Micro9-H - */ -#ifdef CONFIG_MACH_MICRO9H -static struct physmap_flash_data micro9h_flash_data = { - .width = 4, -}; - -static struct resource micro9h_flash_resource = { +/************************************************************************* + * Micro9 NOR Flash + * + * Micro9-High has up to 64MB of 32-bit flash on CS1 + * Micro9-Mid has up to 64MB of either 32-bit or 16-bit flash on CS1 + * Micro9-Lite uses a seperate MTD map driver for flash support + * Micro9-Slim has up to 64MB of either 32-bit or 16-bit flash on CS1 + *************************************************************************/ +static struct physmap_flash_data micro9_flash_data; + +static struct resource micro9_flash_resource = { .start = EP93XX_CS1_PHYS_BASE, .end = EP93XX_CS1_PHYS_BASE + SZ_64M - 1, .flags = IORESOURCE_MEM, }; -static struct platform_device micro9h_flash = { +static struct platform_device micro9_flash = { .name = "physmap-flash", .id = 0, .dev = { - .platform_data = µ9h_flash_data, + .platform_data = µ9_flash_data, }, .num_resources = 1, - .resource = µ9h_flash_resource, + .resource = µ9_flash_resource, }; -static void __init micro9h_init(void) +static void __init __micro9_register_flash(unsigned int width) +{ + micro9_flash_data.width = width; + + platform_device_register(µ9_flash); +} + +static unsigned int __init micro9_detect_bootwidth(void) +{ + u32 v; + + /* Detect the bus width of the external flash memory */ + v = __raw_readl(EP93XX_SYSCON_SYSCFG); + if (v & EP93XX_SYSCON_SYSCFG_LCSN7) + return 4; /* 32-bit */ + else + return 2; /* 16-bit */ +} + +static void __init micro9_register_flash(void) { - platform_device_register(µ9h_flash); + if (machine_is_micro9()) + __micro9_register_flash(4); + else if (machine_is_micro9m() || machine_is_micro9s()) + __micro9_register_flash(micro9_detect_bootwidth()); } -static void __init micro9h_init_machine(void) + +/************************************************************************* + * Micro9 Ethernet + *************************************************************************/ +static struct ep93xx_eth_data micro9_eth_data = { + .phy_id = 0x1f, +}; + + +static void __init micro9_init_machine(void) { ep93xx_init_devices(); - micro9_init(); - micro9h_init(); + ep93xx_register_eth(µ9_eth_data, 1); + micro9_register_flash(); } -MACHINE_START(MICRO9, "Contec Hypercontrol Micro9-H") - /* Maintainer: Manfred Gruber <manfred.gruber@contec.at> */ + +#ifdef CONFIG_MACH_MICRO9H +MACHINE_START(MICRO9, "Contec Micro9-High") + /* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */ .phys_io = EP93XX_APB_PHYS_BASE, .io_pg_offst = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc, .boot_params = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100, .map_io = ep93xx_map_io, .init_irq = ep93xx_init_irq, .timer = &ep93xx_timer, - .init_machine = micro9h_init_machine, + .init_machine = micro9_init_machine, MACHINE_END #endif -/* - * Micro9-M - */ #ifdef CONFIG_MACH_MICRO9M -static void __init micro9m_init_machine(void) -{ - ep93xx_init_devices(); - micro9_init(); -} - -MACHINE_START(MICRO9M, "Contec Hypercontrol Micro9-M") - /* Maintainer: Manfred Gruber <manfred.gruber@contec.at> */ +MACHINE_START(MICRO9M, "Contec Micro9-Mid") + /* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */ .phys_io = EP93XX_APB_PHYS_BASE, .io_pg_offst = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc, - .boot_params = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100, + .boot_params = EP93XX_SDCE3_PHYS_BASE_ASYNC + 0x100, .map_io = ep93xx_map_io, .init_irq = ep93xx_init_irq, .timer = &ep93xx_timer, - .init_machine = micro9m_init_machine, + .init_machine = micro9_init_machine, MACHINE_END #endif -/* - * Micro9-L - */ #ifdef CONFIG_MACH_MICRO9L -static void __init micro9l_init_machine(void) -{ - ep93xx_init_devices(); - micro9_init(); -} - -MACHINE_START(MICRO9L, "Contec Hypercontrol Micro9-L") - /* Maintainer: Manfred Gruber <manfred.gruber@contec.at> */ +MACHINE_START(MICRO9L, "Contec Micro9-Lite") + /* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */ .phys_io = EP93XX_APB_PHYS_BASE, .io_pg_offst = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc, .boot_params = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100, .map_io = ep93xx_map_io, .init_irq = ep93xx_init_irq, .timer = &ep93xx_timer, - .init_machine = micro9l_init_machine, + .init_machine = micro9_init_machine, MACHINE_END #endif +#ifdef CONFIG_MACH_MICRO9S +MACHINE_START(MICRO9S, "Contec Micro9-Slim") + /* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */ + .phys_io = EP93XX_APB_PHYS_BASE, + .io_pg_offst = ((EP93XX_APB_VIRT_BASE) >> 18) & 0xfffc, + .boot_params = EP93XX_SDCE3_PHYS_BASE_ASYNC + 0x100, + .map_io = ep93xx_map_io, + .init_irq = ep93xx_init_irq, + .timer = &ep93xx_timer, + .init_machine = micro9_init_machine, +MACHINE_END +#endif diff --git a/arch/arm/mach-integrator/pci_v3.c b/arch/arm/mach-integrator/pci_v3.c index 901cc20..148d25f 100644 --- a/arch/arm/mach-integrator/pci_v3.c +++ b/arch/arm/mach-integrator/pci_v3.c @@ -31,6 +31,7 @@ #include <mach/hardware.h> #include <asm/irq.h> +#include <asm/signal.h> #include <asm/system.h> #include <asm/mach/pci.h> #include <asm/irq_regs.h> diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c index b45ad31..c1af532 100644 --- a/arch/arm/mach-omap2/board-rx51-peripherals.c +++ b/arch/arm/mach-omap2/board-rx51-peripherals.c @@ -38,49 +38,49 @@ static int board_keymap[] = { KEY(0, 0, KEY_Q), - KEY(0, 1, KEY_W), - KEY(0, 2, KEY_E), - KEY(0, 3, KEY_R), - KEY(0, 4, KEY_T), - KEY(0, 5, KEY_Y), - KEY(0, 6, KEY_U), - KEY(0, 7, KEY_I), - KEY(1, 0, KEY_O), + KEY(0, 1, KEY_O), + KEY(0, 2, KEY_P), + KEY(0, 3, KEY_COMMA), + KEY(0, 4, KEY_BACKSPACE), + KEY(0, 6, KEY_A), + KEY(0, 7, KEY_S), + KEY(1, 0, KEY_W), KEY(1, 1, KEY_D), - KEY(1, 2, KEY_DOT), - KEY(1, 3, KEY_V), - KEY(1, 4, KEY_DOWN), - KEY(2, 0, KEY_P), - KEY(2, 1, KEY_F), + KEY(1, 2, KEY_F), + KEY(1, 3, KEY_G), + KEY(1, 4, KEY_H), + KEY(1, 5, KEY_J), + KEY(1, 6, KEY_K), + KEY(1, 7, KEY_L), + KEY(2, 0, KEY_E), + KEY(2, 1, KEY_DOT), KEY(2, 2, KEY_UP), - KEY(2, 3, KEY_B), - KEY(2, 4, KEY_RIGHT), - KEY(3, 0, KEY_COMMA), - KEY(3, 1, KEY_G), - KEY(3, 2, KEY_ENTER), + KEY(2, 3, KEY_ENTER), + KEY(2, 5, KEY_Z), + KEY(2, 6, KEY_X), + KEY(2, 7, KEY_C), + KEY(3, 0, KEY_R), + KEY(3, 1, KEY_V), + KEY(3, 2, KEY_B), KEY(3, 3, KEY_N), - KEY(4, 0, KEY_BACKSPACE), - KEY(4, 1, KEY_H), - KEY(4, 3, KEY_M), + KEY(3, 4, KEY_M), + KEY(3, 5, KEY_SPACE), + KEY(3, 6, KEY_SPACE), + KEY(3, 7, KEY_LEFT), + KEY(4, 0, KEY_T), + KEY(4, 1, KEY_DOWN), + KEY(4, 2, KEY_RIGHT), KEY(4, 4, KEY_LEFTCTRL), - KEY(5, 1, KEY_J), - KEY(5, 2, KEY_Z), - KEY(5, 3, KEY_SPACE), - KEY(5, 4, KEY_LEFTSHIFT), - KEY(6, 0, KEY_A), - KEY(6, 1, KEY_K), - KEY(6, 2, KEY_X), - KEY(6, 3, KEY_SPACE), - KEY(6, 4, KEY_FN), - KEY(7, 0, KEY_S), - KEY(7, 1, KEY_L), - KEY(7, 2, KEY_C), - KEY(7, 3, KEY_LEFT), - KEY(0xff, 0, KEY_F6), - KEY(0xff, 1, KEY_F7), - KEY(0xff, 2, KEY_F8), - KEY(0xff, 4, KEY_F9), - KEY(0xff, 5, KEY_F10), + KEY(4, 5, KEY_RIGHTALT), + KEY(4, 6, KEY_LEFTSHIFT), + KEY(5, 0, KEY_Y), + KEY(6, 0, KEY_U), + KEY(7, 0, KEY_I), + KEY(7, 1, KEY_F7), + KEY(7, 2, KEY_F8), + KEY(0xff, 2, KEY_F9), + KEY(0xff, 4, KEY_F10), + KEY(0xff, 5, KEY_F11), }; static struct matrix_keymap_data board_map_data = { diff --git a/arch/arm/mach-pxa/cpufreq-pxa2xx.c b/arch/arm/mach-pxa/cpufreq-pxa2xx.c index 3a8ee22..983cc8c 100644 --- a/arch/arm/mach-pxa/cpufreq-pxa2xx.c +++ b/arch/arm/mach-pxa/cpufreq-pxa2xx.c @@ -155,7 +155,7 @@ MODULE_PARM_DESC(pxa255_turbo_table, "Selects the frequency table (0 = run table static pxa_freqs_t pxa27x_freqs[] = { {104000, 104000, PXA27x_CCCR(1, 8, 2), 0, CCLKCFG2(1, 0, 1), 900000, 1705000 }, - {156000, 104000, PXA27x_CCCR(1, 8, 6), 0, CCLKCFG2(1, 1, 1), 1000000, 1705000 }, + {156000, 104000, PXA27x_CCCR(1, 8, 3), 0, CCLKCFG2(1, 0, 1), 1000000, 1705000 }, {208000, 208000, PXA27x_CCCR(0, 16, 2), 1, CCLKCFG2(0, 0, 1), 1180000, 1705000 }, {312000, 208000, PXA27x_CCCR(1, 16, 3), 1, CCLKCFG2(1, 0, 1), 1250000, 1705000 }, {416000, 208000, PXA27x_CCCR(1, 16, 4), 1, CCLKCFG2(1, 0, 1), 1350000, 1705000 }, diff --git a/arch/arm/mach-pxa/csb726.c b/arch/arm/mach-pxa/csb726.c index 79141f8..965480e 100644 --- a/arch/arm/mach-pxa/csb726.c +++ b/arch/arm/mach-pxa/csb726.c @@ -238,7 +238,7 @@ static struct resource csb726_lan_resources[] = { }; struct smsc911x_platform_config csb726_lan_config = { - .irq_type = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, + .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, .flags = SMSC911X_USE_32BIT, .phy_interface = PHY_INTERFACE_MODE_MII, diff --git a/arch/arm/mach-sa1100/Makefile b/arch/arm/mach-sa1100/Makefile index 8a5546e..bb7b819 100644 --- a/arch/arm/mach-sa1100/Makefile +++ b/arch/arm/mach-sa1100/Makefile @@ -25,6 +25,7 @@ led-$(CONFIG_SA1100_CERF) += leds-cerf.o obj-$(CONFIG_SA1100_COLLIE) += collie.o +obj-$(CONFIG_SA1100_H3100) += h3600.o obj-$(CONFIG_SA1100_H3600) += h3600.o obj-$(CONFIG_SA1100_HACKKIT) += hackkit.o diff --git a/arch/arm/mm/cache-v6.S b/arch/arm/mm/cache-v6.S index 8f5c13f..295e25d 100644 --- a/arch/arm/mm/cache-v6.S +++ b/arch/arm/mm/cache-v6.S @@ -12,6 +12,7 @@ #include <linux/linkage.h> #include <linux/init.h> #include <asm/assembler.h> +#include <asm/unwind.h> #include "proc-macros.S" @@ -121,11 +122,13 @@ ENTRY(v6_coherent_kern_range) * - the Icache does not read data from the write buffer */ ENTRY(v6_coherent_user_range) - + UNWIND(.fnstart ) #ifdef HARVARD_CACHE bic r0, r0, #CACHE_LINE_SIZE - 1 -1: mcr p15, 0, r0, c7, c10, 1 @ clean D line +1: + USER( mcr p15, 0, r0, c7, c10, 1 ) @ clean D line add r0, r0, #CACHE_LINE_SIZE +2: cmp r0, r1 blo 1b #endif @@ -143,6 +146,19 @@ ENTRY(v6_coherent_user_range) mov pc, lr /* + * Fault handling for the cache operation above. If the virtual address in r0 + * isn't mapped, just try the next page. + */ +9001: + mov r0, r0, lsr #12 + mov r0, r0, lsl #12 + add r0, r0, #4096 + b 2b + UNWIND(.fnend ) +ENDPROC(v6_coherent_user_range) +ENDPROC(v6_coherent_kern_range) + +/* * v6_flush_kern_dcache_page(kaddr) * * Ensure that the data held in the page kaddr is written back diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S index bda0ec3..e1bd975 100644 --- a/arch/arm/mm/cache-v7.S +++ b/arch/arm/mm/cache-v7.S @@ -13,6 +13,7 @@ #include <linux/linkage.h> #include <linux/init.h> #include <asm/assembler.h> +#include <asm/unwind.h> #include "proc-macros.S" @@ -153,13 +154,16 @@ ENTRY(v7_coherent_kern_range) * - the Icache does not read data from the write buffer */ ENTRY(v7_coherent_user_range) + UNWIND(.fnstart ) dcache_line_size r2, r3 sub r3, r2, #1 bic r0, r0, r3 -1: mcr p15, 0, r0, c7, c11, 1 @ clean D line to the point of unification +1: + USER( mcr p15, 0, r0, c7, c11, 1 ) @ clean D line to the point of unification dsb - mcr p15, 0, r0, c7, c5, 1 @ invalidate I line + USER( mcr p15, 0, r0, c7, c5, 1 ) @ invalidate I line add r0, r0, r2 +2: cmp r0, r1 blo 1b mov r0, #0 @@ -167,6 +171,17 @@ ENTRY(v7_coherent_user_range) dsb isb mov pc, lr + +/* + * Fault handling for the cache operation above. If the virtual address in r0 + * isn't mapped, just try the next page. + */ +9001: + mov r0, r0, lsr #12 + mov r0, r0, lsl #12 + add r0, r0, #4096 + b 2b + UNWIND(.fnend ) ENDPROC(v7_coherent_kern_range) ENDPROC(v7_coherent_user_range) diff --git a/arch/arm/mm/fault-armv.c b/arch/arm/mm/fault-armv.c index bc0099d..d0d17b6 100644 --- a/arch/arm/mm/fault-armv.c +++ b/arch/arm/mm/fault-armv.c @@ -153,14 +153,11 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long addr, pte_t pte) page = pfn_to_page(pfn); mapping = page_mapping(page); - if (mapping) { #ifndef CONFIG_SMP - int dirty = test_and_clear_bit(PG_dcache_dirty, &page->flags); - - if (dirty) - __flush_dcache_page(mapping, page); + if (test_and_clear_bit(PG_dcache_dirty, &page->flags)) + __flush_dcache_page(mapping, page); #endif - + if (mapping) { if (cache_is_vivt()) make_coherent(mapping, vma, addr, pfn); else if (vma->vm_flags & VM_EXEC) diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c index ae0e25f..10e0680 100644 --- a/arch/arm/mm/fault.c +++ b/arch/arm/mm/fault.c @@ -292,6 +292,11 @@ do_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs) * down_read() */ might_sleep(); +#ifdef CONFIG_DEBUG_VM + if (!user_mode(regs) && + !search_exception_tables(regs->ARM_pc)) + goto no_context; +#endif } fault = __do_page_fault(mm, addr, fsr, tsk); diff --git a/arch/arm/mm/highmem.c b/arch/arm/mm/highmem.c index 73cae57..30f82fb 100644 --- a/arch/arm/mm/highmem.c +++ b/arch/arm/mm/highmem.c @@ -46,6 +46,8 @@ void *kmap_atomic(struct page *page, enum km_type type) if (!PageHighMem(page)) return page_address(page); + debug_kmap_atomic(type); + kmap = kmap_high_get(page); if (kmap) return kmap; diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 877c492..40940d7 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -483,7 +483,7 @@ free_memmap(int node, unsigned long start_pfn, unsigned long end_pfn) /* * Convert start_pfn/end_pfn to a struct page pointer. */ - start_pg = pfn_to_page(start_pfn); + start_pg = pfn_to_page(start_pfn - 1) + 1; end_pg = pfn_to_page(end_pfn); /* diff --git a/arch/arm/plat-s3c24xx/adc.c b/arch/arm/plat-s3c24xx/adc.c index 11117a7..4d36b78 100644 --- a/arch/arm/plat-s3c24xx/adc.c +++ b/arch/arm/plat-s3c24xx/adc.c @@ -14,6 +14,7 @@ #include <linux/module.h> #include <linux/kernel.h> #include <linux/platform_device.h> +#include <linux/sched.h> #include <linux/list.h> #include <linux/err.h> #include <linux/clk.h> |
