diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-10-25 10:18:27 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-10-25 10:18:27 +0200 |
| commit | 1bc67188c3843b8e16caaa8624beeb0e2823c1f8 (patch) | |
| tree | 76299c9a161e2f179bf8bbd6c2b6c60191a9c76d | |
| parent | 36b8d186e6cc8e32cb5227f5645a58e1bc0af190 (diff) | |
| parent | bdf4e9482360a3ddc1619efbd5d1c928ede8c3fa (diff) | |
| download | op-kernel-dev-1bc67188c3843b8e16caaa8624beeb0e2823c1f8.zip op-kernel-dev-1bc67188c3843b8e16caaa8624beeb0e2823c1f8.tar.gz | |
Merge branch 'for-linus' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm
* 'for-linus' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm: (81 commits)
ARM: 7133/1: SMP: fix per cpu timer setup before the cpu is marked online
ARM: 7129/1: Add __arm_ioremap_exec for mapping external memory as MT_MEMORY
ARM: 7136/1: pl330: Fix a race condition
ARM: smp: fix clipping of number of CPUs
ARM: 7137/1: Fix error upon adding LL debug
ARM: Add a few machine types to mach-types
ARM: 7130/1: dev_archdata: add private iommu extension
ARM: 7125/1: Add unwinding annotations for 64bit division functions
ARM: 7120/1: remove bashism in check for multiple zreladdrs
ARM: 7118/1: rename temp variable in read*_relaxed()
ARM: 6217/4: mach-realview: expose PB1176 ROM using physmap and map_rom
ARM: 7098/1: kdump: copy kernel relocation code at the kexec prepare stage
ARM: 7062/1: cache: detect PIPT I-cache using CTR
ARM: platform fixups: remove mdesc argument to fixup function
ARM: 7017/1: Use generic BUG() handler
ARM: 7102/1: mach-integrator: update defconfig
ARM: 7087/2: mach-integrator: get timer frequency from clock
ARM: 7086/2: mach-integrator: modernize clock event registration
ARM: 7085/2: mach-integrator: clockevent supports oneshot mode
ARM: 7084/1: mach-integrator: retire some timer macros
...
217 files changed, 2068 insertions, 1259 deletions
diff --git a/Documentation/devicetree/bindings/arm/l2cc.txt b/Documentation/devicetree/bindings/arm/l2cc.txt new file mode 100644 index 0000000..7ca5216 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/l2cc.txt @@ -0,0 +1,44 @@ +* ARM L2 Cache Controller + +ARM cores often have a separate level 2 cache controller. There are various +implementations of the L2 cache controller with compatible programming models. +The ARM L2 cache representation in the device tree should be done as follows: + +Required properties: + +- compatible : should be one of: + "arm,pl310-cache" + "arm,l220-cache" + "arm,l210-cache" +- cache-unified : Specifies the cache is a unified cache. +- cache-level : Should be set to 2 for a level 2 cache. +- reg : Physical base address and size of cache controller's memory mapped + registers. + +Optional properties: + +- arm,data-latency : Cycles of latency for Data RAM accesses. Specifies 3 cells of + read, write and setup latencies. Minimum valid values are 1. Controllers + without setup latency control should use a value of 0. +- arm,tag-latency : Cycles of latency for Tag RAM accesses. Specifies 3 cells of + read, write and setup latencies. Controllers without setup latency control + should use 0. Controllers without separate read and write Tag RAM latency + values should only use the first cell. +- arm,dirty-latency : Cycles of latency for Dirty RAMs. This is a single cell. +- arm,filter-ranges : <start length> Starting address and length of window to + filter. Addresses in the filter window are directed to the M1 port. Other + addresses will go to the M0 port. +- interrupts : 1 combined interrupt. + +Example: + +L2: cache-controller { + compatible = "arm,pl310-cache"; + reg = <0xfff12000 0x1000>; + arm,data-latency = <1 1 1>; + arm,tag-latency = <2 2 2>; + arm,filter-latency = <0x80000000 0x8000000>; + cache-unified; + cache-level = <2>; + interrupts = <45>; +}; diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 3146ed3..92e6954 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -3,7 +3,7 @@ config ARM default y select HAVE_AOUT select HAVE_DMA_API_DEBUG - select HAVE_IDE + select HAVE_IDE if PCI || ISA || PCMCIA select HAVE_MEMBLOCK select RTC_LIB select SYS_SUPPORTS_APM_EMULATION @@ -195,7 +195,8 @@ config VECTORS_BASE The base address of exception vectors. config ARM_PATCH_PHYS_VIRT - bool "Patch physical to virtual translations at runtime" + bool "Patch physical to virtual translations at runtime" if EMBEDDED + default y depends on !XIP_KERNEL && MMU depends on !ARCH_REALVIEW || !SPARSEMEM help @@ -204,16 +205,16 @@ config ARM_PATCH_PHYS_VIRT kernel in system memory. This can only be used with non-XIP MMU kernels where the base - of physical memory is at a 16MB boundary, or theoretically 64K - for the MSM machine class. + of physical memory is at a 16MB boundary. + + Only disable this option if you know that you do not require + this feature (eg, building a kernel for a single machine) and + you need to shrink the kernel to the minimal size. -config ARM_PATCH_PHYS_VIRT_16BIT + +config GENERIC_BUG def_bool y - depends on ARM_PATCH_PHYS_VIRT && ARCH_MSM - help - This option extends the physical to virtual translation patching - to allow physical memory down to a theoretical minimum of 64K - boundaries. + depends on BUG source "init/Kconfig" @@ -301,7 +302,6 @@ config ARCH_AT91 select ARCH_REQUIRE_GPIOLIB select HAVE_CLK select CLKDEV_LOOKUP - select ARM_PATCH_PHYS_VIRT if MMU help This enables support for systems based on the Atmel AT91RM9200, AT91SAM9 and AT91CAP9 processors. @@ -385,6 +385,7 @@ config ARCH_FOOTBRIDGE select CPU_SA110 select FOOTBRIDGE select GENERIC_CLOCKEVENTS + select HAVE_IDE help Support for systems based on the DC21285 companion chip ("FootBridge"), such as the Simtec CATS and the Rebel NetWinder. @@ -631,6 +632,8 @@ config ARCH_PXA select SPARSE_IRQ select AUTO_ZRELADDR select MULTI_IRQ_HANDLER + select ARM_CPU_SUSPEND if PM + select HAVE_IDE help Support for Intel/Marvell's PXA2xx/PXA3xx processor line. @@ -671,6 +674,7 @@ config ARCH_RPC select NO_IOPORT select ARCH_SPARSEMEM_ENABLE select ARCH_USES_GETTIMEOFFSET + select HAVE_IDE help On the Acorn Risc-PC, Linux can support the internal IDE disk and CD-ROM interface, serial and parallel port, and the floppy drive. @@ -689,6 +693,7 @@ config ARCH_SA1100 select HAVE_SCHED_CLOCK select TICK_ONESHOT select ARCH_REQUIRE_GPIOLIB + select HAVE_IDE help Support for StrongARM 11x0 based boards. @@ -1375,6 +1380,7 @@ config SMP MACH_REALVIEW_PB11MP || MACH_REALVIEW_PBX || ARCH_OMAP4 || \ ARCH_EXYNOS4 || ARCH_TEGRA || ARCH_U8500 || ARCH_VEXPRESS_CA9X4 || \ ARCH_MSM_SCORPIONMP || ARCH_SHMOBILE + depends on MMU select USE_GENERIC_SMP_HELPERS select HAVE_ARM_SCU if !ARCH_MSM_SCORPIONMP help @@ -1407,6 +1413,31 @@ config SMP_ON_UP If you don't know what to do here, say Y. +config ARM_CPU_TOPOLOGY + bool "Support cpu topology definition" + depends on SMP && CPU_V7 + default y + help + Support ARM cpu topology definition. The MPIDR register defines + affinity between processors which is then used to describe the cpu + topology of an ARM System. + +config SCHED_MC + bool "Multi-core scheduler support" + depends on ARM_CPU_TOPOLOGY + help + Multi-core scheduler support improves the CPU scheduler's decision + making when dealing with multi-core CPU chips at a cost of slightly + increased overhead in some places. If unsure say N here. + +config SCHED_SMT + bool "SMT scheduler support" + depends on ARM_CPU_TOPOLOGY + help + Improves the CPU scheduler's decision making when dealing with + MultiThreading at a cost of slightly increased overhead in some + places. If unsure say N here. + config HAVE_ARM_SCU bool help @@ -1482,6 +1513,7 @@ config THUMB2_KERNEL depends on CPU_V7 && !CPU_V6 && !CPU_V6K && EXPERIMENTAL select AEABI select ARM_ASM_UNIFIED + select ARM_UNWIND help By enabling this option, the kernel will be compiled in Thumb-2 mode. A compiler/assembler that understand the unified @@ -2101,6 +2133,9 @@ config ARCH_SUSPEND_POSSIBLE CPU_V6 || CPU_V6K || CPU_V7 || CPU_XSC3 || CPU_XSCALE def_bool y +config ARM_CPU_SUSPEND + def_bool PM_SLEEP + endmenu source "net/Kconfig" diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index 81cbe40..df3eb3c 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -65,13 +65,71 @@ config DEBUG_USER # These options are only for real kernel hackers who want to get their hands dirty. config DEBUG_LL - bool "Kernel low-level debugging functions" + bool "Kernel low-level debugging functions (read help!)" depends on DEBUG_KERNEL help Say Y here to include definitions of printascii, printch, printhex in the kernel. This is helpful if you are debugging code that executes before the console is initialized. + Note that selecting this option will limit the kernel to a single + UART definition, as specified below. Attempting to boot the kernel + image on a different platform *will not work*, so this option should + not be enabled for kernels that are intended to be portable. + +choice + prompt "Kernel low-level debugging port" + depends on DEBUG_LL + + config DEBUG_LL_UART_NONE + bool "No low-level debugging UART" + help + Say Y here if your platform doesn't provide a UART option + below. This relies on your platform choosing the right UART + definition internally in order for low-level debugging to + work. + + config DEBUG_ICEDCC + bool "Kernel low-level debugging via EmbeddedICE DCC channel" + help + Say Y here if you want the debug print routines to direct + their output to the EmbeddedICE macrocell's DCC channel using + co-processor 14. This is known to work on the ARM9 style ICE + channel and on the XScale with the PEEDI. + + Note that the system will appear to hang during boot if there + is nothing connected to read from the DCC. + + config DEBUG_FOOTBRIDGE_COM1 + bool "Kernel low-level debugging messages via footbridge 8250 at PCI COM1" + depends on FOOTBRIDGE + help + Say Y here if you want the debug print routines to direct + their output to the 8250 at PCI COM1. + + config DEBUG_DC21285_PORT + bool "Kernel low-level debugging messages via footbridge serial port" + depends on FOOTBRIDGE + help + Say Y here if you want the debug print routines to direct + their output to the serial port in the DC21285 (Footbridge). + + config DEBUG_CLPS711X_UART1 + bool "Kernel low-level debugging messages via UART1" + depends on ARCH_CLPS711X + help + Say Y here if you want the debug print routines to direct + their output to the first serial port on these devices. + + config DEBUG_CLPS711X_UART2 + bool "Kernel low-level debugging messages via UART2" + depends on ARCH_CLPS711X + help + Say Y here if you want the debug print routines to direct + their output to the second serial port on these devices. + +endchoice + config EARLY_PRINTK bool "Early printk" depends on DEBUG_LL @@ -80,43 +138,14 @@ config EARLY_PRINTK kernel low-level debugging functions. Add earlyprintk to your kernel parameters to enable this console. -config DEBUG_ICEDCC - bool "Kernel low-level debugging via EmbeddedICE DCC channel" - depends on DEBUG_LL - help - Say Y here if you want the debug print routines to direct their - output to the EmbeddedICE macrocell's DCC channel using - co-processor 14. This is known to work on the ARM9 style ICE - channel and on the XScale with the PEEDI. - - It does include a timeout to ensure that the system does not - totally freeze when there is nothing connected to read. - config OC_ETM bool "On-chip ETM and ETB" - select ARM_AMBA + depends on ARM_AMBA help Enables the on-chip embedded trace macrocell and embedded trace buffer driver that will allow you to collect traces of the kernel code. -config DEBUG_DC21285_PORT - bool "Kernel low-level debugging messages via footbridge serial port" - depends on DEBUG_LL && FOOTBRIDGE - help - Say Y here if you want the debug print routines to direct their - output to the serial port in the DC21285 (Footbridge). Saying N - will cause the debug messages to appear on the first 16550 - serial port. - -config DEBUG_CLPS711X_UART2 - bool "Kernel low-level debugging messages via UART2" - depends on DEBUG_LL && ARCH_CLPS711X - help - Say Y here if you want the debug print routines to direct their - output to the second serial port on these devices. Saying N will - cause the debug messages to appear on the first serial port. - config DEBUG_S3C_UART depends on PLAT_SAMSUNG int "S3C UART to use for low-level debug" diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 70c424e..5665c2a 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -128,6 +128,9 @@ textofs-$(CONFIG_PM_H1940) := 0x00108000 ifeq ($(CONFIG_ARCH_SA1100),y) textofs-$(CONFIG_SA1111) := 0x00208000 endif +textofs-$(CONFIG_ARCH_MSM7X30) := 0x00208000 +textofs-$(CONFIG_ARCH_MSM8X60) := 0x00208000 +textofs-$(CONFIG_ARCH_MSM8960) := 0x00208000 # Machine directory name. This list is sorted alphanumerically # by CONFIG_* macro name. diff --git a/arch/arm/boot/Makefile b/arch/arm/boot/Makefile index a1edfd5..176062a 100644 --- a/arch/arm/boot/Makefile +++ b/arch/arm/boot/Makefile @@ -78,7 +78,16 @@ endif $(obj)/uImage: STARTADDR=$(LOADADDR) +check_for_multiple_loadaddr = \ +if [ $(words $(LOADADDR)) -gt 1 ]; then \ + echo 'multiple load addresses: $(LOADADDR)'; \ + echo 'This is incompatible with uImages'; \ + echo 'Specify LOADADDR on the commandline to build an uImage'; \ + false; \ +fi + $(obj)/uImage: $(obj)/zImage FORCE + @$(check_for_multiple_loadaddr) $(call if_changed,uimage) @echo ' Image $@ is ready' diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile index 0c74a6f..a6b30b3 100644 --- a/arch/arm/boot/compressed/Makefile +++ b/arch/arm/boot/compressed/Makefile @@ -139,8 +139,16 @@ bad_syms=$$($(CROSS_COMPILE)nm $@ | sed -n 's/^.\{8\} [bc] \(.*\)/\1/p') && \ ( echo "following symbols must have non local/private scope:" >&2; \ echo "$$bad_syms" >&2; rm -f $@; false ) +check_for_multiple_zreladdr = \ +if [ $(words $(ZRELADDR)) -gt 1 -a "$(CONFIG_AUTO_ZRELADDR)" = "" ]; then \ + echo 'multiple zreladdrs: $(ZRELADDR)'; \ + echo 'This needs CONFIG_AUTO_ZRELADDR to be set'; \ + false; \ +fi + $(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.$(suffix_y).o \ $(addprefix $(obj)/, $(OBJS)) $(lib1funcs) FORCE + @$(check_for_multiple_zreladdr) $(call if_changed,ld) @$(check_for_bad_syms) diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c index 3227ca9..666b278 100644 --- a/arch/arm/common/gic.c +++ b/arch/arm/common/gic.c @@ -180,7 +180,7 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *mask_val, return -EINVAL; mask = 0xff << shift; - bit = 1 << (cpu + shift); + bit = 1 << (cpu_logical_map(cpu) + shift); spin_lock(&irq_controller_lock); val = readl_relaxed(reg) & ~mask; @@ -259,9 +259,15 @@ static void __init gic_dist_init(struct gic_chip_data *gic, unsigned int irq_start) { unsigned int gic_irqs, irq_limit, i; + u32 cpumask; void __iomem *base = gic->dist_base; - u32 cpumask = 1 << smp_processor_id(); + u32 cpu = 0; +#ifdef CONFIG_SMP + cpu = cpu_logical_map(smp_processor_id()); +#endif + + cpumask = 1 << cpu; cpumask |= cpumask << 8; cpumask |= cpumask << 16; @@ -382,7 +388,12 @@ void __cpuinit gic_enable_ppi(unsigned int irq) #ifdef CONFIG_SMP void gic_raise_softirq(const struct cpumask *mask, unsigned int irq) { - unsigned long map = *cpus_addr(*mask); + int cpu; + unsigned long map = 0; + + /* Convert our logical CPU mask into a physical one. */ + for_each_cpu(cpu, mask) + map |= 1 << cpu_logical_map(cpu); /* * Ensure that stores to Normal memory are visible to the diff --git a/arch/arm/common/pl330.c b/arch/arm/common/pl330.c index 97912fa..7129cfb 100644 --- a/arch/arm/common/pl330.c +++ b/arch/arm/common/pl330.c @@ -1546,7 +1546,7 @@ int pl330_chan_ctrl(void *ch_id, enum pl330_chan_op op) /* Start the next */ case PL330_OP_START: - if (!_start(thrd)) + if (!_thrd_active(thrd) && !_start(thrd)) ret = -EIO; break; diff --git a/arch/arm/common/vic.c b/arch/arm/common/vic.c index 197f81c..01f18a4 100644 --- a/arch/arm/common/vic.c +++ b/arch/arm/common/vic.c @@ -346,7 +346,8 @@ void __init vic_init(void __iomem *base, unsigned int irq_start, /* Identify which VIC cell this one is, by reading the ID */ for (i = 0; i < 4; i++) { - u32 addr = ((u32)base & PAGE_MASK) + 0xfe0 + (i * 4); + void __iomem *addr; + addr = (void __iomem *)((u32)base & PAGE_MASK) + 0xfe0 + (i * 4); cellid |= (readl(addr) & 0xff) << (8 * i); } vendor = (cellid >> 12) & 0xff; diff --git a/arch/arm/configs/integrator_defconfig b/arch/arm/configs/integrator_defconfig index 7196ade..1103f62 100644 --- a/arch/arm/configs/integrator_defconfig +++ b/arch/arm/configs/integrator_defconfig @@ -1,5 +1,6 @@ CONFIG_EXPERIMENTAL=y CONFIG_SYSVIPC=y +CONFIG_TINY_RCU=y CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=14 @@ -8,20 +9,29 @@ CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y CONFIG_ARCH_INTEGRATOR=y CONFIG_ARCH_INTEGRATOR_AP=y +CONFIG_ARCH_INTEGRATOR_CP=y CONFIG_CPU_ARM720T=y CONFIG_CPU_ARM920T=y +CONFIG_CPU_ARM922T=y +CONFIG_CPU_ARM926T=y +CONFIG_CPU_ARM1020=y +CONFIG_CPU_ARM1022=y +CONFIG_CPU_ARM1026=y CONFIG_PCI=y +CONFIG_NO_HZ=y +CONFIG_HIGH_RES_TIMERS=y +CONFIG_PREEMPT=y +CONFIG_AEABI=y CONFIG_LEDS=y CONFIG_LEDS_CPU=y CONFIG_ZBOOT_ROM_TEXT=0x0 CONFIG_ZBOOT_ROM_BSS=0x0 -CONFIG_CMDLINE="console=ttyAM0,38400n8 root=/dev/nfs ip=bootp mem=32M" +CONFIG_CMDLINE="console=ttyAM0,38400n8 root=/dev/nfs ip=bootp" CONFIG_CPU_FREQ=y CONFIG_CPU_FREQ_GOV_POWERSAVE=y CONFIG_CPU_FREQ_GOV_USERSPACE=y CONFIG_CPU_FREQ_GOV_ONDEMAND=y CONFIG_FPE_NWFPE=y -CONFIG_PM=y CONFIG_NET=y CONFIG_PACKET=y CONFIG_UNIX=y @@ -32,7 +42,6 @@ CONFIG_IP_PNP_DHCP=y CONFIG_IP_PNP_BOOTP=y # CONFIG_IPV6 is not set CONFIG_MTD=y -CONFIG_MTD_PARTITIONS=y CONFIG_MTD_CMDLINE_PARTS=y CONFIG_MTD_AFS_PARTS=y CONFIG_MTD_CHAR=y @@ -40,6 +49,7 @@ CONFIG_MTD_BLOCK=y CONFIG_MTD_CFI=y CONFIG_MTD_CFI_ADV_OPTIONS=y CONFIG_MTD_CFI_INTELEXT=y +CONFIG_MTD_PHYSMAP=y CONFIG_BLK_DEV_LOOP=y CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_SIZE=8192 @@ -56,6 +66,8 @@ CONFIG_FB_MODE_HELPERS=y CONFIG_FB_MATROX=y CONFIG_FB_MATROX_MILLENIUM=y CONFIG_FB_MATROX_MYSTIQUE=y +CONFIG_RTC_CLASS=y +CONFIG_RTC_DRV_PL030=y CONFIG_EXT2_FS=y CONFIG_TMPFS=y CONFIG_JFFS2_FS=y @@ -68,4 +80,3 @@ CONFIG_NFSD_V3=y CONFIG_PARTITION_ADVANCED=y CONFIG_MAGIC_SYSRQ=y CONFIG_DEBUG_KERNEL=y -CONFIG_DEBUG_ERRORS=y diff --git a/arch/arm/include/asm/Kbuild b/arch/arm/include/asm/Kbuild index 6550db3..960abce 100644 --- a/arch/arm/include/asm/Kbuild +++ b/arch/arm/include/asm/Kbuild @@ -1,3 +1,20 @@ include include/asm-generic/Kbuild.asm header-y += hwcap.h + +generic-y += auxvec.h +generic-y += bitsperlong.h +generic-y += cputime.h +generic-y += emergency-restart.h +generic-y += errno.h +generic-y += ioctl.h +generic-y += irq_regs.h +generic-y += kdebug.h +generic-y += local.h +generic-y += local64.h +generic-y += percpu.h +generic-y += poll.h +generic-y += resource.h +generic-y += sections.h +generic-y += siginfo.h +generic-y += sizes.h diff --git a/arch/arm/include/asm/auxvec.h b/arch/arm/include/asm/auxvec.h deleted file mode 100644 index c0536f6..0000000 --- a/arch/arm/include/asm/auxvec.h +++ /dev/null @@ -1,4 +0,0 @@ -#ifndef __ASMARM_AUXVEC_H -#define __ASMARM_AUXVEC_H - -#endif diff --git a/arch/arm/include/asm/bitsperlong.h b/arch/arm/include/asm/bitsperlong.h deleted file mode 100644 index 6dc0bb0..0000000 --- a/arch/arm/include/asm/bitsperlong.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/bitsperlong.h> diff --git a/arch/arm/include/asm/bug.h b/arch/arm/include/asm/bug.h index 4d88425..9abe7a0 100644 --- a/arch/arm/include/asm/bug.h +++ b/arch/arm/include/asm/bug.h @@ -3,21 +3,58 @@ #ifdef CONFIG_BUG -#ifdef CONFIG_DEBUG_BUGVERBOSE -extern void __bug(const char *file, int line) __attribute__((noreturn)); - -/* give file/line information */ -#define BUG() __bug(__FILE__, __LINE__) +/* + * Use a suitable undefined instruction to use for ARM/Thumb2 bug handling. + * We need to be careful not to conflict with those used by other modules and + * the register_undef_hook() system. + */ +#ifdef CONFIG_THUMB2_KERNEL +#define BUG_INSTR_VALUE 0xde02 +#define BUG_INSTR_TYPE ".hword " #else +#define BUG_INSTR_VALUE 0xe7f001f2 +#define BUG_INSTR_TYPE ".word " +#endif -/* this just causes an oops */ -#define BUG() do { *(int *)0 = 0; } while (1) -#endif +#define BUG() _BUG(__FILE__, __LINE__, BUG_INSTR_VALUE) +#define _BUG(file, line, value) __BUG(file, line, value) + +#ifdef CONFIG_DEBUG_BUGVERBOSE + +/* + * The extra indirection is to ensure that the __FILE__ string comes through + * OK. Many version of gcc do not support the asm %c parameter which would be + * preferable to this unpleasantness. We use mergeable string sections to + * avoid multiple copies of the string appearing in the kernel image. + */ + +#define __BUG(__file, __line, __value) \ +do { \ + BUILD_BUG_ON(sizeof(struct bug_entry) != 12); \ + asm volatile("1:\t" BUG_INSTR_TYPE #__value "\n" \ + ".pushsection .rodata.str, \"aMS\", %progbits, 1\n" \ + "2:\t.asciz " #__file "\n" \ + ".popsection\n" \ + ".pushsection __bug_table,\"a\"\n" \ + "3:\t.word 1b, 2b\n" \ + "\t.hword " #__line ", 0\n" \ + ".popsection"); \ + unreachable(); \ +} while (0) + +#else /* not CONFIG_DEBUG_BUGVERBOSE */ + +#define __BUG(__file, __line, __value) \ +do { \ + asm volatile(BUG_INSTR_TYPE #__value); \ + unreachable(); \ +} while (0) +#endif /* CONFIG_DEBUG_BUGVERBOSE */ #define HAVE_ARCH_BUG -#endif +#endif /* CONFIG_BUG */ #include <asm-generic/bug.h> diff --git a/arch/arm/include/asm/cachetype.h b/arch/arm/include/asm/cachetype.h index c023db0..7ea7814 100644 --- a/arch/arm/include/asm/cachetype.h +++ b/arch/arm/include/asm/cachetype.h @@ -7,6 +7,7 @@ #define CACHEID_VIPT (CACHEID_VIPT_ALIASING|CACHEID_VIPT_NONALIASING) #define CACHEID_ASID_TAGGED (1 << 3) #define CACHEID_VIPT_I_ALIASING (1 << 4) +#define CACHEID_PIPT (1 << 5) extern unsigned int cacheid; @@ -16,6 +17,7 @@ extern unsigned int cacheid; #define cache_is_vipt_aliasing() cacheid_is(CACHEID_VIPT_ALIASING) #define icache_is_vivt_asid_tagged() cacheid_is(CACHEID_ASID_TAGGED) #define icache_is_vipt_aliasing() cacheid_is(CACHEID_VIPT_I_ALIASING) +#define icache_is_pipt() cacheid_is(CACHEID_PIPT) /* * __LINUX_ARM_ARCH__ is the minimum supported CPU architecture @@ -26,7 +28,8 @@ extern unsigned int cacheid; #if __LINUX_ARM_ARCH__ >= 7 #define __CACHEID_ARCH_MIN (CACHEID_VIPT_NONALIASING |\ CACHEID_ASID_TAGGED |\ - CACHEID_VIPT_I_ALIASING) + CACHEID_VIPT_I_ALIASING |\ + CACHEID_PIPT) #elif __LINUX_ARM_ARCH__ >= 6 #define __CACHEID_ARCH_MIN (~CACHEID_VIVT) #else diff --git a/arch/arm/include/asm/cputime.h b/arch/arm/include/asm/cputime.h deleted file mode 100644 index 3a8002a..0000000 --- a/arch/arm/include/asm/cputime.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ARM_CPUTIME_H -#define __ARM_CPUTIME_H - -#include <asm-generic/cputime.h> - -#endif /* __ARM_CPUTIME_H */ diff --git a/arch/arm/include/asm/cputype.h b/arch/arm/include/asm/cputype.h index cd4458f..cb47d28 100644 --- a/arch/arm/include/asm/cputype.h +++ b/arch/arm/include/asm/cputype.h @@ -8,6 +8,7 @@ #define CPUID_CACHETYPE 1 #define CPUID_TCM 2 #define CPUID_TLBTYPE 3 +#define CPUID_MPIDR 5 #define CPUID_EXT_PFR0 "c1, 0" #define CPUID_EXT_PFR1 "c1, 1" @@ -70,6 +71,11 @@ static inline unsigned int __attribute_const__ read_cpuid_tcmstatus(void) return read_cpuid(CPUID_TCM); } +static inline unsigned int __attribute_const__ read_cpuid_mpidr(void) +{ + return read_cpuid(CPUID_MPIDR); +} + /* * Intel's XScale3 core supports some v6 features (supersections, L2) * but advertises itself as v5 as it does not support the v6 ISA. For diff --git a/arch/arm/include/asm/device.h b/arch/arm/include/asm/device.h index 9f390ce..6615f03 100644 --- a/arch/arm/include/asm/device.h +++ b/arch/arm/include/asm/device.h @@ -10,6 +10,9 @@ struct dev_archdata { #ifdef CONFIG_DMABOUNCE struct dmabounce_device_info *dmabounce; #endif +#ifdef CONFIG_IOMMU_API + void *iommu; /* private IOMMU data */ +#endif }; struct pdev_archdata { diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h index 7a21d0b..28b7ee8 100644 --- a/arch/arm/include/asm/dma-mapping.h +++ b/arch/arm/include/asm/dma-mapping.h @@ -32,7 +32,7 @@ static inline unsigned long dma_to_pfn(struct device *dev, dma_addr_t addr) static inline void *dma_to_virt(struct device *dev, dma_addr_t addr) { - return (void *)__bus_to_virt(addr); + return (void *)__bus_to_virt((unsigned long)addr); } static inline dma_addr_t virt_to_dma(struct device *dev, void *addr) diff --git a/arch/arm/include/asm/ecard.h b/arch/arm/include/asm/ecard.h index 29f2610..eaea146 100644 --- a/arch/arm/include/asm/ecard.h +++ b/arch/arm/include/asm/ecard.h @@ -161,7 +161,6 @@ struct expansion_card { /* Private internal data */ const char *card_desc; /* Card description */ - CONST unsigned int podaddr; /* Base Linux address for card */ CONST loader_t loader; /* loader program */ u64 dma_mask; }; diff --git a/arch/arm/include/asm/emergency-restart.h b/arch/arm/include/asm/emergency-restart.h deleted file mode 100644 index 108d8c4..0000000 --- a/arch/arm/include/asm/emergency-restart.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _ASM_EMERGENCY_RESTART_H -#define _ASM_EMERGENCY_RESTART_H - -#include <asm-generic/emergency-restart.h> - -#endif /* _ASM_EMERGENCY_RESTART_H */ diff --git a/arch/arm/include/asm/errno.h b/arch/arm/include/asm/errno.h deleted file mode 100644 index 6e60f06..0000000 --- a/arch/arm/include/asm/errno.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _ARM_ERRNO_H -#define _ARM_ERRNO_H - -#include <asm-generic/errno.h> - -#endif diff --git a/arch/arm/include/asm/exception.h b/arch/arm/include/asm/exception.h new file mode 100644 index 0000000..5abaf5b --- /dev/null +++ b/arch/arm/include/asm/exception.h @@ -0,0 +1,19 @@ +/* + * Annotations for marking C functions as exception handlers. + * + * These should only be used for C functions that are called from the low + * level exception entry code and not any intervening C code. + */ +#ifndef __ASM_ARM_EXCEPTION_H +#define __ASM_ARM_EXCEPTION_H + +#include <linux/ftrace.h> + +#define __exception __attribute__((section(".exception.text"))) +#ifdef CONFIG_FUNCTION_GRAPH_TRACER +#define __exception_irq_entry __irq_entry +#else +#define __exception_irq_entry __exception +#endif + +#endif /* __ASM_ARM_EXCEPTION_H */ diff --git a/arch/arm/include/asm/hardware/cache-l2x0.h b/arch/arm/include/asm/hardware/cache-l2x0.h index 99a6ed7..434edcc 100644 --- a/arch/arm/include/asm/hardware/cache-l2x0.h +++ b/arch/arm/include/asm/hardware/cache-l2x0.h @@ -52,6 +52,8 @@ #define L2X0_LOCKDOWN_WAY_D_BASE 0x900 #define L2X0_LOCKDOWN_WAY_I_BASE 0x904 #define L2X0_LOCKDOWN_STRIDE 0x08 +#define L2X0_ADDR_FILTER_START 0xC00 +#define L2X0_ADDR_FILTER_END 0xC04 #define L2X0_TEST_OPERATION 0xF00 #define L2X0_LINE_DATA 0xF10 #define L2X0_LINE_TAG 0xF30 @@ -65,8 +67,23 @@ #define L2X0_CACHE_ID_PART_MASK (0xf << 6) #define L2X0_CACHE_ID_PART_L210 (1 << 6) #define L2X0_CACHE_ID_PART_L310 (3 << 6) +#define L2X0_CACHE_ID_RTL_MASK 0x3f +#define L2X0_CACHE_ID_RTL_R0P0 0x0 +#define L2X0_CACHE_ID_RTL_R1P0 0x2 +#define L2X0_CACHE_ID_RTL_R2P0 0x4 +#define L2X0_CACHE_ID_RTL_R3P0 0x5 +#define L2X0_CACHE_ID_RTL_R3P1 0x6 +#define L2X0_CACHE_ID_RTL_R3P2 0x8 #define L2X0_AUX_CTRL_MASK 0xc0000fff +#define L2X0_AUX_CTRL_DATA_RD_LATENCY_SHIFT 0 +#define L2X0_AUX_CTRL_DATA_RD_LATENCY_MASK 0x7 +#define L2X0_AUX_CTRL_DATA_WR_LATENCY_SHIFT 3 +#define L2X0_AUX_CTRL_DATA_WR_LATENCY_MASK (0x7 << 3) +#define L2X0_AUX_CTRL_TAG_LATENCY_SHIFT 6 +#define L2X0_AUX_CTRL_TAG_LATENCY_MASK (0x7 << 6) +#define L2X0_AUX_CTRL_DIRTY_LATENCY_SHIFT 9 +#define L2X0_AUX_CTRL_DIRTY_LATENCY_MASK (0x7 << 9) #define L2X0_AUX_CTRL_ASSOCIATIVITY_SHIFT 16 #define L2X0_AUX_CTRL_WAY_SIZE_SHIFT 17 #define L2X0_AUX_CTRL_WAY_SIZE_MASK (0x7 << 17) @@ -77,8 +94,33 @@ #define L2X0_AUX_CTRL_INSTR_PREFETCH_SHIFT 29 #define L2X0_AUX_CTRL_EARLY_BRESP_SHIFT 30 +#define L2X0_LATENCY_CTRL_SETUP_SHIFT 0 +#define L2X0_LATENCY_CTRL_RD_SHIFT 4 +#define L2X0_LATENCY_CTRL_WR_SHIFT 8 + +#define L2X0_ADDR_FILTER_EN 1 + #ifndef __ASSEMBLY__ extern void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask); +extern int l2x0_of_init(__u32 aux_val, __u32 aux_mask); + +struct l2x0_regs { + unsigned long phy_base; + unsigned long aux_ctrl; + /* + * Whether the following registers need to be saved/restored + * depends on platform + */ + unsigned long tag_latency; + unsigned long data_latency; + unsigned long filter_start; + unsigned long filter_end; + unsigned long prefetch_ctrl; + unsigned long pwr_ctrl; +}; + +extern struct l2x0_regs l2x0_saved_regs; + #endif #endif diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h index d66605de..769f65d 100644 --- a/arch/arm/include/asm/io.h +++ b/arch/arm/include/asm/io.h @@ -80,6 +80,7 @@ extern void __iomem *__arm_ioremap_caller(unsigned long, size_t, unsigned int, extern void __iomem *__arm_ioremap_pfn(unsigned long, unsigned long, size_t, unsigned int); extern void __iomem *__arm_ioremap(unsigned long, size_t, unsigned int); +extern void __iomem *__arm_ioremap_exec(unsigned long, size_t, bool cached); extern void __iounmap(volatile void __iomem *addr); /* @@ -110,6 +111,27 @@ static inline void __iomem *__typesafe_io(unsigned long addr) #include <mach/io.h> /* + * This is the limit of PC card/PCI/ISA IO space, which is by default + * 64K if we have PC card, PCI or ISA support. Otherwise, default to + * zero to prevent ISA/PCI drivers claiming IO space (and potentially + * oopsing.) + * + * Only set this larger if you really need inb() et.al. to operate over + * a larger address space. Note that SOC_COMMON ioremaps each sockets + * IO space area, and so inb() et.al. must be defined to operate as per + * readb() et.al. on such platforms. + */ +#ifndef IO_SPACE_LIMIT +#if defined(CONFIG_PCMCIA_SOC_COMMON) || defined(CONFIG_PCMCIA_SOC_COMMON_MODULE) +#define IO_SPACE_LIMIT ((resource_size_t)0xffffffff) +#elif defined(CONFIG_PCI) || defined(CONFIG_ISA) || defined(CONFIG_PCCARD) +#define IO_SPACE_LIMIT ((resource_size_t)0xffff) +#else +#define IO_SPACE_LIMIT ((resource_size_t)0) +#endif +#endif + +/* * IO port access primitives * ------------------------- * @@ -189,11 +211,11 @@ extern void _memset_io(volatile void __iomem *, int, size_t); * IO port primitives for more information. */ #ifdef __mem_pci -#define readb_relaxed(c) ({ u8 __v = __raw_readb(__mem_pci(c)); __v; }) -#define readw_relaxed(c) ({ u16 __v = le16_to_cpu((__force __le16) \ - __raw_readw(__mem_pci(c))); __v; }) -#define readl_relaxed(c) ({ u32 __v = le32_to_cpu((__force __le32) \ - __raw_readl(__mem_pci(c))); __v; }) +#define readb_relaxed(c) ({ u8 __r = __raw_readb(__mem_pci(c)); __r; }) +#define readw_relaxed(c) ({ u16 __r = le16_to_cpu((__force __le16) \ + __raw_readw(__mem_pci(c))); __r; }) +#define readl_relaxed(c) ({ u32 __r = le32_to_cpu((__force __le32) \ + __raw_readl(__mem_pci(c))); __r; }) #define writeb_relaxed(v,c) ((void)__raw_writeb(v,__mem_pci(c))) #define writew_relaxed(v,c) ((void)__raw_writew((__force u16) \ @@ -260,10 +282,16 @@ extern void _memset_io(volatile void __iomem *, int, size_t); #define ioread16(p) ({ unsigned int __v = le16_to_cpu((__force __le16)__raw_readw(p)); __iormb(); __v; }) #define ioread32(p) ({ unsigned int __v = le32_to_cpu((__force __le32)__raw_readl(p)); __iormb(); __v; }) +#define ioread16be(p) ({ unsigned int __v = be16_to_cpu((__force __be16)__raw_readw(p)); __iormb(); __v; }) +#define ioread32be(p) ({ unsigned int __v = be32_to_cpu((__force __be32)__raw_readl(p)); __iormb(); __v; }) + #define iowrite8(v,p) ({ __iowmb(); (void)__raw_writeb(v, p); }) #define iowrite16(v,p) ({ __iowmb(); (void)__raw_writew((__force __u16)cpu_to_le16(v), p); }) #define iowrite32(v,p) ({ __iowmb(); (void)__raw_writel((__force __u32)cpu_to_le32(v), p); }) +#define iowrite16be(v,p) ({ __iowmb(); (void)__raw_writew((__force __u16)cpu_to_be16(v), p); }) +#define iowrite32be(v,p) ({ __iowmb(); (void)__raw_writel((__force __u32)cpu_to_be32(v), p); }) + #define ioread8_rep(p,d,c) __raw_readsb(p,d,c) #define ioread16_rep(p,d,c) __raw_readsw(p,d,c) #define ioread32_rep(p,d,c) __raw_readsl(p,d,c) diff --git a/arch/arm/include/asm/ioctl.h b/arch/arm/include/asm/ioctl.h deleted file mode 100644 index b279fe0..0000000 --- a/arch/arm/include/asm/ioctl.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/ioctl.h> diff --git a/arch/arm/include/asm/irq_regs.h b/arch/arm/include/asm/irq_regs.h deleted file mode 100644 index 3dd9c0b..0000000 --- a/arch/arm/include/asm/irq_regs.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/irq_regs.h> diff --git a/arch/arm/include/asm/kdebug.h b/arch/arm/include/asm/kdebug.h deleted file mode 100644 index 6ece1b0..0000000 --- a/arch/arm/include/asm/kdebug.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/kdebug.h> diff --git a/arch/arm/include/asm/local.h b/arch/arm/include/asm/local.h deleted file mode 100644 index c11c530..0000000 --- a/arch/arm/include/asm/local.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/local.h> diff --git a/arch/arm/include/asm/local64.h b/arch/arm/include/asm/local64.h deleted file mode 100644 index 36c93b5..0000000 --- a/arch/arm/include/asm/local64.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/local64.h> diff --git a/arch/arm/include/asm/localtimer.h b/arch/arm/include/asm/localtimer.h index ff66638..6fd955d 100644 --- a/arch/arm/include/asm/localtimer.h +++ b/arch/arm/include/asm/localtimer.h @@ -24,6 +24,10 @@ void percpu_timer_setup(void); */ asmlinkage void do_local_timer(struct pt_regs *); +/* + * Called from C code + */ +void handle_local_timer(struct pt_regs *); #ifdef CONFIG_LOCAL_TIMERS diff --git a/arch/arm/include/asm/mach/arch.h b/arch/arm/include/asm/mach/arch.h index 217aa191..c569998 100644 --- a/arch/arm/include/asm/mach/arch.h +++ b/arch/arm/include/asm/mach/arch.h @@ -34,8 +34,7 @@ struct machine_desc { unsigned int reserve_lp1 :1; /* never has lp1 */ unsigned int reserve_lp2 :1; /* never has lp2 */ unsigned int soft_reboot :1; /* soft reboot */ - void (*fixup)(struct machine_desc *, - struct tag *, char **, + void (*fixup)(struct tag *, char **, struct meminfo *); void (*reserve)(void);/* reserve mem blocks */ void (*map_io)(void);/* IO mapping function */ diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index b8de516..441fc4f 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -160,7 +160,6 @@ * so that all we need to do is modify the 8-bit constant field. */ #define __PV_BITS_31_24 0x81000000 -#define __PV_BITS_23_16 0x00810000 extern unsigned long __pv_phys_offset; #define PHYS_OFFSET __pv_phys_offset @@ -178,9 +177,6 @@ static inline unsigned long __virt_to_phys(unsigned long x) { unsigned long t; __pv_stub(x, t, "add", __PV_BITS_31_24); -#ifdef CONFIG_ARM_PATCH_PHYS_VIRT_16BIT - __pv_stub(t, t, "add", __PV_BITS_23_16); -#endif return t; } @@ -188,9 +184,6 @@ static inline unsigned long __phys_to_virt(unsigned long x) { unsigned long t; __pv_stub(x, t, "sub", __PV_BITS_31_24); -#ifdef CONFIG_ARM_PATCH_PHYS_VIRT_16BIT - __pv_stub(t, t, "sub", __PV_BITS_23_16); -#endif return t; } #else diff --git a/arch/arm/include/asm/module.h b/arch/arm/include/asm/module.h index 543b449..6c6809f 100644 --- a/arch/arm/include/asm/module.h +++ b/arch/arm/include/asm/module.h @@ -31,11 +31,7 @@ struct mod_arch_specific { /* Add __virt_to_phys patching state as well */ #ifdef CONFIG_ARM_PATCH_PHYS_VIRT -#ifdef CONFIG_ARM_PATCH_PHYS_VIRT_16BIT -#define MODULE_ARCH_VERMAGIC_P2V "p2v16 " -#else #define MODULE_ARCH_VERMAGIC_P2V "p2v8 " -#endif #else #define MODULE_ARCH_VERMAGIC_P2V "" #endif diff --git a/arch/arm/include/asm/outercache.h b/arch/arm/include/asm/outercache.h index d838743..53426c6 100644 --- a/arch/arm/include/asm/outercache.h +++ b/arch/arm/include/asm/outercache.h @@ -34,6 +34,7 @@ struct outer_cache_fns { void (*sync)(void); #endif void (*set_debug)(unsigned long); + void (*resume)(void); }; #ifdef CONFIG_OUTER_CACHE @@ -74,6 +75,12 @@ static inline void outer_disable(void) outer_cache.disable(); } +static inline void outer_resume(void) +{ + if (outer_cache.resume) + outer_cache.resume(); +} + #else static inline void outer_inv_range(phys_addr_t start, phys_addr_t end) diff --git a/arch/arm/include/asm/page.h b/arch/arm/include/asm/page.h index ac75d08..ca94653 100644 --- a/arch/arm/include/asm/page.h +++ b/arch/arm/include/asm/page.h @@ -151,47 +151,7 @@ extern void __cpu_copy_user_highpage(struct page *to, struct page *from, #define clear_page(page) memset((void *)(page), 0, PAGE_SIZE) extern void copy_page(void *to, const void *from); -typedef unsigned long pteval_t; - -#undef STRICT_MM_TYPECHECKS - -#ifdef STRICT_MM_TYPECHECKS -/* - * These are used to make use of C type-checking.. - */ -typedef struct { pteval_t pte; } pte_t; -typedef struct { unsigned long pmd; } pmd_t; -typedef struct { unsigned long pgd[2]; } pgd_t; -typedef struct { unsigned long pgprot; } pgprot_t; - -#define pte_val(x) ((x).pte) -#define pmd_val(x) ((x).pmd) -#define pgd_val(x) ((x).pgd[0]) -#define pgprot_val(x) ((x).pgprot) - -#define __pte(x) ((pte_t) { (x) } ) -#define __pmd(x) ((pmd_t) { (x) } ) -#define __pgprot(x) ((pgprot_t) { (x) } ) - -#else -/* - * .. while these make it easier on the compiler - */ -typedef pteval_t pte_t; -typedef unsigned long pmd_t; -typedef unsigned long pgd_t[2]; -typedef unsigned long pgprot_t; - -#define pte_val(x) (x) -#define pmd_val(x) (x) -#define pgd_val(x) ((x)[0]) -#define pgprot_val(x) (x) - -#define __pte(x) (x) -#define __pmd(x) (x) -#define __pgprot(x) (x) - -#endif /* STRICT_MM_TYPECHECKS */ +#include <asm/pgtable-2level-types.h> #endif /* CONFIG_MMU */ diff --git a/arch/arm/include/asm/percpu.h b/arch/arm/include/asm/percpu.h deleted file mode 100644 index b4e32d8..0000000 --- a/arch/arm/include/asm/percpu.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ARM_PERCPU -#define __ARM_PERCPU - -#include <asm-generic/percpu.h> - -#endif diff --git a/arch/arm/include/asm/pgalloc.h b/arch/arm/include/asm/pgalloc.h index 22de005..3e08fd3 100644 --- a/arch/arm/include/asm/pgalloc.h +++ b/arch/arm/include/asm/pgalloc.h @@ -105,9 +105,9 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t pte) } static inline void __pmd_populate(pmd_t *pmdp, phys_addr_t pte, - unsigned long prot) + pmdval_t prot) { - unsigned long pmdval = (pte + PTE_HWTABLE_OFF) | prot; + pmdval_t pmdval = (pte + PTE_HWTABLE_OFF) | prot; pmdp[0] = __pmd(pmdval); pmdp[1] = __pmd(pmdval + 256 * sizeof(pte_t)); flush_pmd_entry(pmdp); diff --git a/arch/arm/include/asm/pgtable-2level-hwdef.h b/arch/arm/include/asm/pgtable-2level-hwdef.h new file mode 100644 index 0000000..5cfba15 --- /dev/null +++ b/arch/arm/include/asm/pgtable-2level-hwdef.h @@ -0,0 +1,93 @@ +/* + * arch/arm/include/asm/pgtable-2level-hwdef.h + * + * Copyright (C) 1995-2002 Russell King + * + * 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. + */ +#ifndef _ASM_PGTABLE_2LEVEL_HWDEF_H +#define _ASM_PGTABLE_2LEVEL_HWDEF_H + +/* + * Hardware page table definitions. + * + * + Level 1 descriptor (PMD) + * - common + */ +#define PMD_TYPE_MASK (_AT(pmdval_t, 3) << 0) +#define PMD_TYPE_FAULT (_AT(pmdval_t, 0) << 0) +#define PMD_TYPE_TABLE (_AT(pmdval_t, 1) << 0) +#define PMD_TYPE_SECT (_AT(pmdval_t, 2) << 0) +#define PMD_BIT4 (_AT(pmdval_t, 1) << 4) +#define PMD_DOMAIN(x) (_AT(pmdval_t, (x)) << 5) +#define PMD_PROTECTION (_AT(pmdval_t, 1) << 9) /* v5 */ +/* + * - section + */ +#define PMD_SECT_BUFFERABLE (_AT(pmdval_t, 1) << 2) +#define PMD_SECT_CACHEABLE (_AT(pmdval_t, 1) << 3) +#define PMD_SECT_XN (_AT(pmdval_t, 1) << 4) /* v6 */ +#define PMD_SECT_AP_WRITE (_AT(pmdval_t, 1) << 10) +#define PMD_SECT_AP_READ (_AT(pmdval_t, 1) << 11) +#define PMD_SECT_TEX(x) (_AT(pmdval_t, (x)) << 12) /* v5 */ +#define PMD_SECT_APX (_AT(pmdval_t, 1) << 15) /* v6 */ +#define PMD_SECT_S (_AT(pmdval_t, 1) << 16) /* v6 */ +#define PMD_SECT_nG (_AT(pmdval_t, 1) << 17) /* v6 */ +#define PMD_SECT_SUPER (_AT(pmdval_t, 1) << 18) /* v6 */ +#define PMD_SECT_AF (_AT(pmdval_t, 0)) + +#define PMD_SECT_UNCACHED (_AT(pmdval_t, 0)) +#define PMD_SECT_BUFFERED (PMD_SECT_BUFFERABLE) +#define PMD_SECT_WT (PMD_SECT_CACHEABLE) +#define PMD_SECT_WB (PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE) +#define PMD_SECT_MINICACHE (PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE) +#define PMD_SECT_WBWA (PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE) +#define PMD_SECT_NONSHARED_DEV (PMD_SECT_TEX(2)) + +/* + * - coarse table (not used) + */ + +/* + * + Level 2 descriptor (PTE) + * - common + */ +#define PTE_TYPE_MASK (_AT(pteval_t, 3) << 0) +#define PTE_TYPE_FAULT (_AT(pteval_t, 0) << 0) +#define PTE_TYPE_LARGE (_AT(pteval_t, 1) << 0) +#define PTE_TYPE_SMALL (_AT(pteval_t, 2) << 0) +#define PTE_TYPE_EXT (_AT(pteval_t, 3) << 0) /* v5 */ +#define PTE_BUFFERABLE (_AT(pteval_t, 1) << 2) +#define PTE_CACHEABLE (_AT(pteval_t, 1) << 3) + +/* + * - extended small page/tiny page + */ +#define PTE_EXT_XN (_AT(pteval_t, 1) << 0) /* v6 */ +#define PTE_EXT_AP_MASK (_AT(pteval_t, 3) << 4) +#define PTE_EXT_AP0 (_AT(pteval_t, 1) << 4) +#define PTE_EXT_AP1 (_AT(pteval_t, 2) << 4) +#define PTE_EXT_AP_UNO_SRO (_AT(pteval_t, 0) << 4) +#define PTE_EXT_AP_UNO_SRW (PTE_EXT_AP0) +#define PTE_EXT_AP_URO_SRW (PTE_EXT_AP1) +#define PTE_EXT_AP_URW_SRW (PTE_EXT_AP1|PTE_EXT_AP0) +#define PTE_EXT_TEX(x) (_AT(pteval_t, (x)) << 6) /* v5 */ +#define PTE_EXT_APX (_AT(pteval_t, 1) << 9) /* v6 */ +#define PTE_EXT_COHERENT (_AT(pteval_t, 1) << 9) /* XScale3 */ +#define PTE_EXT_SHARED (_AT(pteval_t, 1) << 10) /* v6 */ +#define PTE_EXT_NG (_AT(pteval_t, 1) << 11) /* v6 */ + +/* + * - small page + */ +#define PTE_SMALL_AP_MASK (_AT(pteval_t, 0xff) << 4) +#define PTE_SMALL_AP_UNO_SRO (_AT(pteval_t, 0x00) << 4) +#define PTE_SMALL_AP_UNO_SRW (_AT(pteval_t, 0x55) << 4) +#define PTE_SMALL_AP_URO_SRW (_AT(pteval_t, 0xaa) << 4) +#define PTE_SMALL_AP_URW_SRW (_AT(pteval_t, 0xff) << 4) + +#define PHYS_MASK (~0UL) + +#endif diff --git a/arch/arm/include/asm/pgtable-2level-types.h b/arch/arm/include/asm/pgtable-2level-types.h new file mode 100644 index 0000000..66cb5b0 --- /dev/null +++ b/arch/arm/include/asm/pgtable-2level-types.h @@ -0,0 +1,67 @@ +/* + * arch/arm/include/asm/pgtable-2level-types.h + * + * Copyright (C) 1995-2003 Russell King + * + * 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 + */ +#ifndef _ASM_PGTABLE_2LEVEL_TYPES_H +#define _ASM_PGTABLE_2LEVEL_TYPES_H + +#include <asm/types.h> + +typedef u32 pteval_t; +typedef u32 pmdval_t; + +#undef STRICT_MM_TYPECHECKS + +#ifdef STRICT_MM_TYPECHECKS +/* + * These are used to make use of C type-checking.. + */ +typedef struct { pteval_t pte; } pte_t; +typedef struct { pmdval_t pmd; } pmd_t; +typedef struct { pmdval_t pgd[2]; } pgd_t; +typedef struct { pteval_t pgprot; } pgprot_t; + +#define pte_val(x) ((x).pte) +#define pmd_val(x) ((x).pmd) +#define pgd_val(x) ((x).pgd[0]) +#define pgprot_val(x) ((x).pgprot) + +#define __pte(x) ((pte_t) { (x) } ) +#define __pmd(x) ((pmd_t) { (x) } ) +#define __pgprot(x) ((pgprot_t) { (x) } ) + +#else +/* + * .. while these make it easier on the compiler + */ +typedef pteval_t pte_t; +typedef pmdval_t pmd_t; +typedef pmdval_t pgd_t[2]; +typedef pteval_t pgprot_t; + +#define pte_val(x) (x) +#define pmd_val(x) (x) +#define pgd_val(x) ((x)[0]) +#define pgprot_val(x) (x) + +#define __pte(x) (x) +#define __pmd(x) (x) +#define __pgprot(x) (x) + +#endif /* STRICT_MM_TYPECHECKS */ + +#endif /* _ASM_PGTABLE_2LEVEL_TYPES_H */ diff --git a/arch/arm/include/asm/pgtable-2level.h b/arch/arm/include/asm/pgtable-2level.h new file mode 100644 index 0000000..470457e --- /dev/null +++ b/arch/arm/include/asm/pgtable-2level.h @@ -0,0 +1,143 @@ +/* + * arch/arm/include/asm/pgtable-2level.h + * + * Copyright (C) 1995-2002 Russell King + * + * 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. + */ +#ifndef _ASM_PGTABLE_2LEVEL_H +#define _ASM_PGTABLE_2LEVEL_H + +/* + * Hardware-wise, we have a two level page table structure, where the first + * level has 4096 entries, and the second level has 256 entries. Each entry + * is one 32-bit word. Most of the bits in the second level entry are used + * by hardware, and there aren't any "accessed" and "dirty" bits. + * + * Linux on the other hand has a three level page table structure, which can + * be wrapped to fit a two level page table structure easily - using the PGD + * and PTE only. However, Linux also expects one "PTE" table per page, and + * at least a "dirty" bit. + * + * Therefore, we tweak the implementation slightly - we tell Linux that we + * have 2048 entries in the first level, each of which is 8 bytes (iow, two + * hardware pointers to the second level.) The second level contains two + * hardware PTE tables arranged contiguously, preceded by Linux versions + * which contain the state information Linux needs. We, therefore, end up + * with 512 entries in the "PTE" level. + * + * This leads to the page tables having the following layout: + * + * pgd pte + * | | + * +--------+ + * | | +------------+ +0 + * +- - - - + | Linux pt 0 | + * | | +------------+ +1024 + * +--------+ +0 | Linux pt 1 | + * | |-----> +------------+ +2048 + * +- - - - + +4 | h/w pt 0 | + * | |-----> +------------+ +3072 + * +--------+ +8 | h/w pt 1 | + * | | +------------+ +4096 + * + * See L_PTE_xxx below for definitions of bits in the "Linux pt", and + * PTE_xxx for definitions of bits appearing in the "h/w pt". + * + * PMD_xxx definitions refer to bits in the first level page table. + * + * The "dirty" bit is emulated by only granting hardware write permission + * iff the page is marked "writable" and "dirty" in the Linux PTE. This + * means that a write to a clean page will cause a permission fault, and + * the Linux MM layer will mark the page dirty via handle_pte_fault(). + * For the hardware to notice the permission change, the TLB entry must + * be flushed, and ptep_set_access_flags() does that for us. + * + * The "accessed" or "young" bit is emulated by a similar method; we only + * allow accesses to the page if the "young" bit is set. Accesses to the + * page will cause a fault, and handle_pte_fault() will set the young bit + * for us as long as the page is marked present in the corresponding Linux + * PTE entry. Again, ptep_set_access_flags() will ensure that the TLB is + * up to date. + * + * However, when the "young" bit is cleared, we deny access to the page + * by clearing the hardware PTE. Currently Linux does not flush the TLB + * for us in this case, which means the TLB will retain the transation + * until either the TLB entry is evicted under pressure, or a context + * switch which changes the user space mapping occurs. + */ +#define PTRS_PER_PTE 512 +#define PTRS_PER_PMD 1 +#define PTRS_PER_PGD 2048 + +#define PTE_HWTABLE_PTRS (PTRS_PER_PTE) +#define PTE_HWTABLE_OFF (PTE_HWTABLE_PTRS * sizeof(pte_t)) +#define PTE_HWTABLE_SIZE (PTRS_PER_PTE * sizeof(u32)) + +/* + * PMD_SHIFT determines the size of the area a second-level page table can map + * PGDIR_SHIFT determines what a third-level page table entry can map + */ +#define PMD_SHIFT 21 +#define PGDIR_SHIFT 21 + +#define PMD_SIZE (1UL << PMD_SHIFT) +#define PMD_MASK (~(PMD_SIZE-1)) +#define PGDIR_SIZE (1UL << PGDIR_SHIFT) +#define PGDIR_MASK (~(PGDIR_SIZE-1)) + +/* + * section address mask and size definitions. + */ +#define SECTION_SHIFT 20 +#define SECTION_SIZE (1UL << SECTION_SHIFT) +#define SECTION_MASK (~(SECTION_SIZE-1)) + +/* + * ARMv6 supersection address mask and size definitions. + */ +#define SUPERSECTION_SHIFT 24 +#define SUPERSECTION_SIZE (1UL << SUPERSECTION_SHIFT) +#define SUPERSECTION_MASK (~(SUPERSECTION_SIZE-1)) + +#define USER_PTRS_PER_PGD (TASK_SIZE / PGDIR_SIZE) + +/* + * "Linux" PTE definitions. + * + * We keep two sets of PTEs - the hardware and the linux version. + * This allows greater flexibility in the way we map the Linux bits + * onto the hardware tables, and allows us to have YOUNG and DIRTY + * bits. + * + * The PTE table pointer refers to the hardware entries; the "Linux" + * entries are stored 1024 bytes below. + */ +#define L_PTE_PRESENT (_AT(pteval_t, 1) << 0) +#define L_PTE_YOUNG (_AT(pteval_t, 1) << 1) +#define L_PTE_FILE (_AT(pteval_t, 1) << 2) /* only when !PRESENT */ +#define L_PTE_DIRTY (_AT(pteval_t, 1) << 6) +#define L_PTE_RDONLY (_AT(pteval_t, 1) << 7) +#define L_PTE_USER (_AT(pteval_t, 1) << 8) +#define L_PTE_XN (_AT(pteval_t, 1) << 9) +#define L_PTE_SHARED (_AT(pteval_t, 1) << 10) /* shared(v6), coherent(xsc3) */ + +/* + * These are the memory types, defined to be compatible with + * pre-ARMv6 CPUs cacheable and bufferable bits: XXCB + */ +#define L_PTE_MT_UNCACHED (_AT(pteval_t, 0x00) << 2) /* 0000 */ +#define L_PTE_MT_BUFFERABLE (_AT(pteval_t, 0x01) << 2) /* 0001 */ +#define L_PTE_MT_WRITETHROUGH (_AT(pteval_t, 0x02) << 2) /* 0010 */ +#define L_PTE_MT_WRITEBACK (_AT(pteval_t, 0x03) << 2) /* 0011 */ +#define L_PTE_MT_MINICACHE (_AT(pteval_t, 0x06) << 2) /* 0110 (sa1100, xscale) */ +#define L_PTE_MT_WRITEALLOC (_AT(pteval_t, 0x07) << 2) /* 0111 */ +#define L_PTE_MT_DEV_SHARED (_AT(pteval_t, 0x04) << 2) /* 0100 */ +#define L_PTE_MT_DEV_NONSHARED (_AT(pteval_t, 0x0c) << 2) /* 1100 */ +#define L_PTE_MT_DEV_WC (_AT(pteval_t, 0x09) << 2) /* 1001 */ +#define L_PTE_MT_DEV_CACHED (_AT(pteval_t, 0x0b) << 2) /* 1011 */ +#define L_PTE_MT_MASK (_AT(pteval_t, 0x0f) << 2) + +#endif /* _ASM_PGTABLE_2LEVEL_H */ diff --git a/arch/arm/include/asm/pgtable-hwdef.h b/arch/arm/include/asm/pgtable-hwdef.h index fd1521d..1831111 100644 --- a/arch/arm/include/asm/pgtable-hwdef.h +++ b/arch/arm/include/asm/pgtable-hwdef.h @@ -10,81 +10,6 @@ #ifndef _ASMARM_PGTABLE_HWDEF_H #define _ASMARM_PGTABLE_HWDEF_H -/* - * Hardware page table definitions. - * - * + Level 1 descriptor (PMD) - * - common - */ -#define PMD_TYPE_MASK (3 << 0) -#define PMD_TYPE_FAULT (0 << 0) -#define PMD_TYPE_TABLE (1 << 0) -#define PMD_TYPE_SECT (2 << 0) -#define PMD_BIT4 (1 << 4) -#define PMD_DOMAIN(x) ((x) << 5) -#define PMD_PROTECTION (1 << 9) /* v5 */ -/* - * - section - */ -#define PMD_SECT_BUFFERABLE (1 << 2) -#define PMD_SECT_CACHEABLE (1 << 3) -#define PMD_SECT_XN (1 << 4) /* v6 */ -#define PMD_SECT_AP_WRITE (1 << 10) -#define PMD_SECT_AP_READ (1 << 11) -#define PMD_SECT_TEX(x) ((x) << 12) /* v5 */ -#define PMD_SECT_APX (1 << 15) /* v6 */ -#define PMD_SECT_S (1 << 16) /* v6 */ -#define PMD_SECT_nG (1 << 17) /* v6 */ -#define PMD_SECT_SUPER (1 << 18) /* v6 */ - -#define PMD_SECT_UNCACHED (0) -#define PMD_SECT_BUFFERED (PMD_SECT_BUFFERABLE) -#define PMD_SECT_WT (PMD_SECT_CACHEABLE) -#define PMD_SECT_WB (PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE) -#define PMD_SECT_MINICACHE (PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE) -#define PMD_SECT_WBWA (PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE) -#define PMD_SECT_NONSHARED_DEV (PMD_SECT_TEX(2)) - -/* - * - coarse table (not used) - */ - -/* - * + Level 2 descriptor (PTE) - * - common - */ -#define PTE_TYPE_MASK (3 << 0) -#define PTE_TYPE_FAULT (0 << 0) -#define PTE_TYPE_LARGE (1 << 0) -#define PTE_TYPE_SMALL (2 << 0) -#define PTE_TYPE_EXT (3 << 0) /* v5 */ -#define PTE_BUFFERABLE (1 << 2) -#define PTE_CACHEABLE (1 << 3) - -/* - * - extended small page/tiny page - */ -#define PTE_EXT_XN (1 << 0) /* v6 */ -#define PTE_EXT_AP_MASK (3 << 4) -#define PTE_EXT_AP0 (1 << 4) -#define PTE_EXT_AP1 (2 << 4) -#define PTE_EXT_AP_UNO_SRO (0 << 4) -#define PTE_EXT_AP_UNO_SRW (PTE_EXT_AP0) -#define PTE_EXT_AP_URO_SRW (PTE_EXT_AP1) -#define PTE_EXT_AP_URW_SRW (PTE_EXT_AP1|PTE_EXT_AP0) -#define PTE_EXT_TEX(x) ((x) << 6) /* v5 */ -#define PTE_EXT_APX (1 << 9) /* v6 */ -#define PTE_EXT_COHERENT (1 << 9) /* XScale3 */ -#define PTE_EXT_SHARED (1 << 10) /* v6 */ -#define PTE_EXT_NG (1 << 11) /* v6 */ - -/* - * - small page - */ -#define PTE_SMALL_AP_MASK (0xff << 4) -#define PTE_SMALL_AP_UNO_SRO (0x00 << 4) -#define PTE_SMALL_AP_UNO_SRW (0x55 << 4) -#define PTE_SMALL_AP_URO_SRW (0xaa << 4) -#define PTE_SMALL_AP_URW_SRW (0xff << 4) +#include <asm/pgtable-2level-hwdef.h> #endif diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h index 5750704..8ade184 100644 --- a/arch/arm/include/asm/pgtable.h +++ b/arch/arm/include/asm/pgtable.h @@ -24,6 +24,8 @@ #include <mach/vmalloc.h> #include <asm/pgtable-hwdef.h> +#include <asm/pgtable-2level.h> + /* * Just any arbitrary offset to the start of the vmalloc VM area: the * current 8MB value just means that there will be a 8MB "hole" after the @@ -41,79 +43,6 @@ #define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)) #endif -/* - * Hardware-wise, we have a two level page table structure, where the first - * level has 4096 entries, and the second level has 256 entries. Each entry - * is one 32-bit word. Most of the bits in the second level entry are used - * by hardware, and there aren't any "accessed" and "dirty" bits. - * - * Linux on the other hand has a three level page table structure, which can - * be wrapped to fit a two level page table structure easily - using the PGD - * and PTE only. However, Linux also expects one "PTE" table per page, and - * at least a "dirty" bit. - * - * Therefore, we tweak the implementation slightly - we tell Linux that we - * have 2048 entries in the first level, each of which is 8 bytes (iow, two - * hardware pointers to the second level.) The second level contains two - * hardware PTE tables arranged contiguously, preceded by Linux versions - * which contain the state information Linux needs. We, therefore, end up - * with 512 entries in the "PTE" level. - * - * This leads to the page tables having the following layout: - * - * pgd pte - * | | - * +--------+ - * | | +------------+ +0 - * +- - - - + | Linux pt 0 | - * | | +------------+ +1024 - * +--------+ +0 | Linux pt 1 | - * | |-----> +------------+ +2048 - * +- - - - + +4 | h/w pt 0 | - * | |-----> +------------+ +3072 - * +--------+ +8 | h/w pt 1 | - * | | +------------+ +4096 - * - * See L_PTE_xxx below for definitions of bits in the "Linux pt", and - * PTE_xxx for definitions of bits appearing in the "h/w pt". - * - * PMD_xxx definitions refer to bits in the first level page table. - * - * The "dirty" bit is emulated by only granting hardware write permission - * iff the page is marked "writable" and "dirty" in the Linux PTE. This - * means that a write to a clean page will cause a permission fault, and - * the Linux MM layer will mark the page dirty via handle_pte_fault(). - * For the hardware to notice the permission change, the TLB entry must - * be flushed, and ptep_set_access_flags() does that for us. - * - * The "accessed" or "young" bit is emulated by a similar method; we only - * allow accesses to the page if the "young" bit is set. Accesses to the - * page will cause a fault, and handle_pte_fault() will set the young bit - * for us as long as the page is marked present in the corresponding Linux - * PTE entry. Again, ptep_set_access_flags() will ensure that the TLB is - * up to date. - * - * However, when the "young" bit is cleared, we deny access to the page - * by clearing the hardware PTE. Currently Linux does not flush the TLB - * for us in this case, which means the TLB will retain the transation - * until either the TLB entry is evicted under pressure, or a context - * switch which changes the user space mapping occurs. - */ -#define PTRS_PER_PTE 512 -#define PTRS_PER_PMD 1 -#define PTRS_PER_PGD 2048 - -#define PTE_HWTABLE_PTRS (PTRS_PER_PTE) -#define PTE_HWTABLE_OFF (PTE_HWTABLE_PTRS * sizeof(pte_t)) -#define PTE_HWTABLE_SIZE (PTRS_PER_PTE * sizeof(u32)) - -/* - * PMD_SHIFT determines the size of the area a second-level page table can map - * PGDIR_SHIFT determines what a third-level page table entry can map - */ -#define PMD_SHIFT 21 -#define PGDIR_SHIFT 21 - #define LIBRARY_TEXT_START 0x0c000000 #ifndef __ASSEMBLY__ @@ -124,12 +53,6 @@ extern void __pgd_error(const char *file, int line, pgd_t); #define pte_ERROR(pte) __pte_error(__FILE__, __LINE__, pte) #define pmd_ERROR(pmd) __pmd_error(__FILE__, __LINE__, pmd) #define pgd_ERROR(pgd) __pgd_error(__FILE__, __LINE__, pgd) -#endif /* !__ASSEMBLY__ */ - -#define PMD_SIZE (1UL << PMD_SHIFT) -#define PMD_MASK (~(PMD_SIZE-1)) -#define PGDIR_SIZE (1UL << PGDIR_SHIFT) -#define PGDIR_MASK (~(PGDIR_SIZE-1)) /* * This is the lowest virtual address we can permit any user space @@ -138,60 +61,6 @@ extern void __pgd_error(const char *file, int line, pgd_t); */ #define FIRST_USER_ADDRESS PAGE_SIZE -#define USER_PTRS_PER_PGD (TASK_SIZE / PGDIR_SIZE) - -/* - * section address mask and size definitions. - */ -#define SECTION_SHIFT 20 -#define SECTION_SIZE (1UL << SECTION_SHIFT) -#define SECTION_MASK (~(SECTION_SIZE-1)) - -/* - * ARMv6 supersection address mask and size definitions. - */ -#define SUPERSECTION_SHIFT 24 -#define SUPERSECTION_SIZE (1UL << SUPERSECTION_SHIFT) -#define SUPERSECTION_MASK (~(SUPERSECTION_SIZE-1)) - -/* - * "Linux" PTE definitions. - * - * We keep two sets of PTEs - the hardware and the linux version. - * This allows greater flexibility in the way we map the Linux bits - * onto the hardware tables, and allows us to have YOUNG and DIRTY - * bits. - * - * The PTE table pointer refers to the hardware entries; the "Linux" - * entries are stored 1024 bytes below. - */ -#define L_PTE_PRESENT (_AT(pteval_t, 1) << 0) -#define L_PTE_YOUNG (_AT(pteval_t, 1) << 1) -#define L_PTE_FILE (_AT(pteval_t, 1) << 2) /* only when !PRESENT */ -#define L_PTE_DIRTY (_AT(pteval_t, 1) << 6) -#define L_PTE_RDONLY (_AT(pteval_t, 1) << 7) -#define L_PTE_USER (_AT(pteval_t, 1) << 8) -#define L_PTE_XN (_AT(pteval_t, 1) << 9) -#define L_PTE_SHARED (_AT(pteval_t, 1) << 10) /* shared(v6), coherent(xsc3) */ - -/* - * These are the memory types, defined to be compatible with - * pre-ARMv6 CPUs cacheable and bufferable bits: XXCB - */ -#define L_PTE_MT_UNCACHED (_AT(pteval_t, 0x00) << 2) /* 0000 */ -#define L_PTE_MT_BUFFERABLE (_AT(pteval_t, 0x01) << 2) /* 0001 */ -#define L_PTE_MT_WRITETHROUGH (_AT(pteval_t, 0x02) << 2) /* 0010 */ -#define L_PTE_MT_WRITEBACK (_AT(pteval_t, 0x03) << 2) /* 0011 */ -#define L_PTE_MT_MINICACHE (_AT(pteval_t, 0x06) << 2) /* 0110 (sa1100, xscale) */ -#define L_PTE_MT_WRITEALLOC (_AT(pteval_t, 0x07) << 2) /* 0111 */ -#define L_PTE_MT_DEV_SHARED (_AT(pteval_t, 0x04) << 2) /* 0100 */ -#define L_PTE_MT_DEV_NONSHARED (_AT(pteval_t, 0x0c) << 2) /* 1100 */ -#define L_PTE_MT_DEV_WC (_AT(pteval_t, 0x09) << 2) /* 1001 */ -#define L_PTE_MT_DEV_CACHED (_AT(pteval_t, 0x0b) << 2) /* 1011 */ -#define L_PTE_MT_MASK (_AT(pteval_t, 0x0f) << 2) - -#ifndef __ASSEMBLY__ - /* * The pgprot_* and protection_map entries will be fixed up in runtime * to include the cachable and bufferable bits based on memory policy, @@ -327,10 +196,10 @@ extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; static inline pte_t *pmd_page_vaddr(pmd_t pmd) { - return __va(pmd_val(pmd) & PAGE_MASK); + return __va(pmd_val(pmd) & PHYS_MASK & (s32)PAGE_MASK); } -#define pmd_page(pmd) pfn_to_page(__phys_to_pfn(pmd_val(pmd))) +#define pmd_page(pmd) pfn_to_page(__phys_to_pfn(pmd_val(pmd) & PHYS_MASK)) /* we don't need complex calculations here as the pmd is folded into the pgd */ #define pmd_addr_end(addr,end) (end) @@ -351,7 +220,7 @@ static inline pte_t *pmd_page_vaddr(pmd_t pmd) #define pte_offset_map(pmd,addr) (__pte_map(pmd) + pte_index(addr)) #define pte_unmap(pte) __pte_unmap(pte) -#define pte_pfn(pte) (pte_val(pte) >> PAGE_SHIFT) +#define pte_pfn(pte) ((pte_val(pte) & PHYS_MASK) >> PAGE_SHIFT) #define pfn_pte(pfn,prot) __pte(__pfn_to_phys(pfn) | pgprot_val(prot)) #define pte_page(pte) pfn_to_page(pte_pfn(pte)) diff --git a/arch/arm/include/asm/poll.h b/arch/arm/include/asm/poll.h deleted file mode 100644 index c98509d..0000000 --- a/arch/arm/include/asm/poll.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/poll.h> diff --git a/arch/arm/include/asm/resource.h b/arch/arm/include/asm/resource.h deleted file mode 100644 index 734b581..0000000 --- a/arch/arm/include/asm/resource.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _ARM_RESOURCE_H -#define _ARM_RESOURCE_H - -#include <asm-generic/resource.h> - -#endif diff --git a/arch/arm/include/asm/sections.h b/arch/arm/include/asm/sections.h deleted file mode 100644 index 2b8c516..0000000 --- a/arch/arm/include/asm/sections.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/sections.h> diff --git a/arch/arm/include/asm/siginfo.h b/arch/arm/include/asm/siginfo.h deleted file mode 100644 index 5e21852..0000000 --- a/arch/arm/include/asm/siginfo.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _ASMARM_SIGINFO_H -#define _ASMARM_SIGINFO_H - -#include <asm-generic/siginfo.h> - -#endif diff --git a/arch/arm/include/asm/sizes.h b/arch/arm/include/asm/sizes.h deleted file mode 100644 index 154b89b..0000000 --- a/arch/arm/include/asm/sizes.h +++ /dev/null @@ -1,21 +0,0 @@ -/* - * 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. 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 - */ -/* Size definitions - * Copyright (C) ARM Limited 1998. All rights reserved. - */ -#include <asm-generic/sizes.h> - -#define SZ_48M (SZ_32M + SZ_16M) diff --git a/arch/arm/include/asm/smp.h b/arch/arm/include/asm/smp.h index e42d96a..0a17b62 100644 --- a/arch/arm/include/asm/smp.h +++ b/arch/arm/include/asm/smp.h @@ -33,6 +33,11 @@ extern void show_ipi_list(struct seq_file *, int); asmlinkage void do_IPI(int ipinr, struct pt_regs *regs); /* + * Called from C code, this handles an IPI. + */ +void handle_IPI(int ipinr, struct pt_regs *regs); + +/* * Setup the set of possible CPUs (via set_cpu_possible) */ extern void smp_init_cpus(void); @@ -66,6 +71,12 @@ extern void platform_secondary_init(unsigned int cpu); extern void platform_smp_prepare_cpus(unsigned int); /* + * Logical CPU mapping. + */ +extern int __cpu_logical_map[NR_CPUS]; +#define cpu_logical_map(cpu) __cpu_logical_map[cpu] + +/* * Initial data for bringing up a secondary CPU. */ struct secondary_data { diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h index 832888d..984014b 100644 --- a/arch/arm/include/asm/system.h +++ b/arch/arm/include/asm/system.h @@ -57,18 +57,12 @@ #ifndef __ASSEMBLY__ +#include <linux/compiler.h> #include <linux/linkage.h> #include <linux/irqflags.h> #include <asm/outercache.h> -#define __exception __attribute__((section(".exception.text"))) -#ifdef CONFIG_FUNCTION_GRAPH_TRACER -#define __exception_irq_entry __irq_entry -#else -#define __exception_irq_entry __exception -#endif - struct thread_info; struct task_struct; @@ -97,14 +91,13 @@ void hook_ifault_code(int nr, int (*fn)(unsigned long, unsigned int, #define xchg(ptr,x) \ ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) -extern asmlinkage void __backtrace(void); extern asmlinkage void c_backtrace(unsigned long fp, int pmode); struct mm_struct; extern void show_pte(struct mm_struct *mm, unsigned long addr); extern void __show_regs(struct pt_regs *); -extern int cpu_architecture(void); +extern int __pure cpu_architecture(void); extern void cpu_init(void); void arm_machine_restart(char mode, const char *cmd); diff --git a/arch/arm/include/asm/tlbflush.h b/arch/arm/include/asm/tlbflush.h index 8077145..02b2f82 100644 --- a/arch/arm/include/asm/tlbflush.h +++ b/arch/arm/include/asm/tlbflush.h @@ -471,7 +471,7 @@ static inline void local_flush_tlb_kernel_page(unsigned long kaddr) * these operations. This is typically used when we are removing * PMD entries. */ -static inline void flush_pmd_entry(pmd_t *pmd) +static inline void flush_pmd_entry(void *pmd) { const unsigned int __tlb_flag = __cpu_tlb_flags; @@ -487,7 +487,7 @@ static inline void flush_pmd_entry(pmd_t *pmd) dsb(); } -static inline void clean_pmd_entry(pmd_t *pmd) +static inline void clean_pmd_entry(void *pmd) { const unsigned int __tlb_flag = __cpu_tlb_flags; diff --git a/arch/arm/include/asm/topology.h b/arch/arm/include/asm/topology.h index accbd7c..a7e457e 100644 --- a/arch/arm/include/asm/topology.h +++ b/arch/arm/include/asm/topology.h @@ -1,6 +1,39 @@ #ifndef _ASM_ARM_TOPOLOGY_H #define _ASM_ARM_TOPOLOGY_H +#ifdef CONFIG_ARM_CPU_TOPOLOGY + +#include <linux/cpumask.h> + +struct cputopo_arm { + int thread_id; + int core_id; + int socket_id; + cpumask_t thread_sibling; + cpumask_t core_sibling; +}; + +extern struct cputopo_arm cpu_topology[NR_CPUS]; + +#define topology_physical_package_id(cpu) (cpu_topology[cpu].socket_id) +#define topology_core_id(cpu) (cpu_topology[cpu].core_id) +#define topology_core_cpumask(cpu) (&cpu_topology[cpu].core_sibling) +#define topology_thread_cpumask(cpu) (&cpu_topology[cpu].thread_sibling) + +#define mc_capable() (cpu_topology[0].socket_id != -1) +#define smt_capable() (cpu_topology[0].thread_id != -1) + +void init_cpu_topology(void); +void store_cpu_topology(unsigned int cpuid); +const struct cpumask *cpu_coregroup_mask(unsigned int cpu); + +#else + +static inline void init_cpu_topology(void) { } +static inline void store_cpu_topology(unsigned int cpuid) { } + +#endif + #include <asm-generic/topology.h> #endif /* _ASM_ARM_TOPOLOGY_H */ diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile index f7887dc..68036ee 100644 --- a/arch/arm/kernel/Makefile +++ b/arch/arm/kernel/Makefile @@ -29,7 +29,7 @@ obj-$(CONFIG_MODULES) += armksyms.o module.o obj-$(CONFIG_ARTHUR) += arthur.o obj-$(CONFIG_ISA_DMA) += dma-isa.o obj-$(CONFIG_PCI) += bios32.o isa.o -obj-$(CONFIG_PM_SLEEP) += sleep.o +obj-$(CONFIG_ARM_CPU_SUSPEND) += sleep.o obj-$(CONFIG_HAVE_SCHED_CLOCK) += sched_clock.o obj-$(CONFIG_SMP) += smp.o smp_tlb.o obj-$(CONFIG_HAVE_ARM_SCU) += smp_scu.o @@ -66,6 +66,7 @@ obj-$(CONFIG_IWMMXT) += iwmmxt.o obj-$(CONFIG_CPU_HAS_PMU) += pmu.o obj-$(CONFIG_HW_PERF_EVENTS) += perf_event.o AFLAGS_iwmmxt.o := -Wa,-mcpu=iwmmxt +obj-$(CONFIG_ARM_CPU_TOPOLOGY) += topology.o ifneq ($(CONFIG_ARCH_EBSA110),y) obj-y += io.o diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c index aeef960..8e3c6f1 100644 --- a/arch/arm/kernel/armksyms.c +++ b/arch/arm/kernel/armksyms.c @@ -49,9 +49,6 @@ extern void __aeabi_ulcmp(void); extern void fpundefinstr(void); - -EXPORT_SYMBOL(__backtrace); - /* platform dependent support */ EXPORT_SYMBOL(__udelay); EXPORT_SYMBOL(__const_udelay); diff --git a/arch/arm/kernel/asm-offsets.c b/arch/arm/kernel/asm-offsets.c index 16baba2..1429d89 100644 --- a/arch/arm/kernel/asm-offsets.c +++ b/arch/arm/kernel/asm-offsets.c @@ -20,6 +20,7 @@ #include <asm/thread_info.h> #include <asm/memory.h> #include <asm/procinfo.h> +#include <asm/hardware/cache-l2x0.h> #include <linux/kbuild.h> /* @@ -92,6 +93,17 @@ int main(void) DEFINE(S_OLD_R0, offsetof(struct pt_regs, ARM_ORIG_r0)); DEFINE(S_FRAME_SIZE, sizeof(struct pt_regs)); BLANK(); +#ifdef CONFIG_CACHE_L2X0 + DEFINE(L2X0_R_PHY_BASE, offsetof(struct l2x0_regs, phy_base)); + DEFINE(L2X0_R_AUX_CTRL, offsetof(struct l2x0_regs, aux_ctrl)); + DEFINE(L2X0_R_TAG_LATENCY, offsetof(struct l2x0_regs, tag_latency)); + DEFINE(L2X0_R_DATA_LATENCY, offsetof(struct l2x0_regs, data_latency)); + DEFINE(L2X0_R_FILTER_START, offsetof(struct l2x0_regs, filter_start)); + DEFINE(L2X0_R_FILTER_END, offsetof(struct l2x0_regs, filter_end)); + DEFINE(L2X0_R_PREFETCH_CTRL, offsetof(struct l2x0_regs, prefetch_ctrl)); + DEFINE(L2X0_R_PWR_CTRL, offsetof(struct l2x0_regs, pwr_ctrl)); + BLANK(); +#endif #ifdef CONFIG_CPU_HAS_ASID DEFINE(MM_CONTEXT_ID, offsetof(struct mm_struct, context.id)); BLANK(); diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c index d6df359..c0d9203 100644 --- a/arch/arm/kernel/bios32.c +++ b/arch/arm/kernel/bios32.c @@ -412,6 +412,9 @@ void pcibios_fixup_bus(struct pci_bus *bus) printk(KERN_INFO "PCI: bus%d: Fast back to back transfers %sabled\n", bus->number, (features & PCI_COMMAND_FAST_BACK) ? "en" : "dis"); } +#ifdef CONFIG_HOTPLUG +EXPORT_SYMBOL(pcibios_fixup_bus); +#endif /* * Convert from Linux-centric to bus-centric addresses for bridge devices. @@ -431,6 +434,7 @@ pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region, region->start = res->start - offset; region->end = res->end - offset; } +EXPORT_SYMBOL(pcibios_resource_to_bus); void __devinit pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res, @@ -447,12 +451,7 @@ pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res, res->start = region->start + offset; res->end = region->end + offset; } - -#ifdef CONFIG_HOTPLUG -EXPORT_SYMBOL(pcibios_fixup_bus); -EXPORT_SYMBOL(pcibios_resource_to_bus); EXPORT_SYMBOL(pcibios_bus_to_resource); -#endif /* * Swizzle the device pin each time we cross a bridge. diff --git a/arch/arm/kernel/debug.S b/arch/arm/kernel/debug.S index bcd66e0..0f852d0 100644 --- a/arch/arm/kernel/debug.S +++ b/arch/arm/kernel/debug.S @@ -151,6 +151,8 @@ printhex: adr r2, hexbuf b printascii ENDPROC(printhex2) +hexbuf: .space 16 + .ltorg ENTRY(printascii) @@ -175,5 +177,3 @@ ENTRY(printch) mov r0, #0 b 1b ENDPROC(printch) - -hexbuf: .space 16 diff --git a/arch/arm/kernel/ecard.c b/arch/arm/kernel/ecard.c index d165001..4dd0eda 100644 --- a/arch/arm/kernel/ecard.c +++ b/arch/arm/kernel/ecard.c @@ -237,7 +237,7 @@ static void ecard_init_pgtables(struct mm_struct *mm) memcpy(dst_pgd, src_pgd, sizeof(pgd_t) * (IO_SIZE / PGDIR_SIZE)); - src_pgd = pgd_offset(mm, EASI_BASE); + src_pgd = pgd_offset(mm, (unsigned long)EASI_BASE); dst_pgd = pgd_offset(mm, EASI_START); memcpy(dst_pgd, src_pgd, sizeof(pgd_t) * (EASI_SIZE / PGDIR_SIZE)); @@ -674,44 +674,37 @@ static int __init ecard_probeirqhw(void) #define ecard_probeirqhw() (0) #endif -#ifndef IO_EC_MEMC8_BASE -#define IO_EC_MEMC8_BASE 0 -#endif - -static unsigned int __ecard_address(ecard_t *ec, card_type_t type, card_speed_t speed) +static void __iomem *__ecard_address(ecard_t *ec, card_type_t type, card_speed_t speed) { - unsigned long address = 0; + void __iomem *address = NULL; int slot = ec->slot_no; if (ec->slot_no == 8) - return IO_EC_MEMC8_BASE; + return ECARD_MEMC8_BASE; ectcr &= ~(1 << slot); switch (type) { case ECARD_MEMC: if (slot < 4) - address = IO_EC_MEMC_BASE + (slot << 12); + address = ECARD_MEMC_BASE + (slot << 14); break; case ECARD_IOC: if (slot < 4) - address = IO_EC_IOC_BASE + (slot << 12); -#ifdef IO_EC_IOC4_BASE + address = ECARD_IOC_BASE + (slot << 14); else - address = IO_EC_IOC4_BASE + ((slot - 4) << 12); -#endif + address = ECARD_IOC4_BASE + ((slot - 4) << 14); if (address) - address += speed << 17; + address += speed << 19; break; -#ifdef IO_EC_EASI_BASE case ECARD_EASI: - address = IO_EC_EASI_BASE + (slot << 22); + address = ECARD_EASI_BASE + (slot << 24); if (speed == ECARD_FAST) ectcr |= 1 << slot; break; -#endif + default: break; } @@ -990,6 +983,7 @@ ecard_probe(int slot, card_type_t type) ecard_t **ecp; ecard_t *ec; struct ex_ecid cid; + void __iomem *addr; int i, rc; ec = ecard_alloc_card(type, slot); @@ -999,7 +993,7 @@ ecard_probe(int slot, card_type_t type) } rc = -ENODEV; - if ((ec->podaddr = __ecard_address(ec, type, ECARD_SYNC)) == 0) + if ((addr = __ecard_address(ec, type, ECARD_SYNC)) == NULL) goto nodev; cid.r_zero = 1; @@ -1019,7 +1013,7 @@ ecard_probe(int slot, card_type_t type) ec->cid.fiqmask = cid.r_fiqmask; ec->cid.fiqoff = ecard_gets24(cid.r_fiqoff); ec->fiqaddr = - ec->irqaddr = (void __iomem *)ioaddr(ec->podaddr); + ec->irqaddr = addr; if (ec->cid.is) { ec->irqmask = ec->cid.irqmask; @@ -1048,10 +1042,8 @@ ecard_probe(int slot, card_type_t type) set_irq_flags(ec->irq, IRQF_VALID); } -#ifdef IO_EC_MEMC8_BASE if (slot == 8) ec->irq = 11; -#endif #ifdef CONFIG_ARCH_RPC /* On RiscPC, only first two slots have DMA capability */ if (slot < 2) @@ -1097,9 +1089,7 @@ static int __init ecard_init(void) ecard_probe(slot, ECARD_IOC); } -#ifdef IO_EC_MEMC8_BASE ecard_probe(8, ECARD_IOC); -#endif irqhw = ecard_probeirqhw(); diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index a87cbf8..9ad50c4 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -24,6 +24,7 @@ #include <asm/unwind.h> #include <asm/unistd.h> #include <asm/tls.h> +#include <asm/system.h> #include "entry-header.S" #include <asm/entry-macro-multi.S> @@ -262,8 +263,7 @@ __und_svc: ldr r0, [r4, #-4] #else ldrh r0, [r4, #-2] @ Thumb instruction at LR - 2 - and r9, r0, #0xf800 - cmp r9, #0xe800 @ 32-bit instruction if xx >= 0 + cmp r0, #0xe800 @ 32-bit instruction if xx >= 0 ldrhhs r9, [r4] @ bottom 16 bits orrhs r0, r9, r0, lsl #16 #endif @@ -440,18 +440,46 @@ __und_usr: #endif beq call_fpe @ Thumb instruction -#if __LINUX_ARM_ARCH__ >= 7 +#if CONFIG_ARM_THUMB && __LINUX_ARM_ARCH__ >= 6 && CONFIG_CPU_V7 +/* + * Thumb-2 instruction handling. Note that because pre-v6 and >= v6 platforms + * can never be supported in a single kernel, this code is not applicable at + * all when __LINUX_ARM_ARCH__ < 6. This allows simplifying assumptions to be + * made about .arch directives. + */ +#if __LINUX_ARM_ARCH__ < 7 +/* If the target CPU may not be Thumb-2-capable, a run-time check is needed: */ +#define NEED_CPU_ARCHITECTURE + ldr r5, .LCcpu_architecture + ldr r5, [r5] + cmp r5, #CPU_ARCH_ARMv7 + blo __und_usr_unknown +/* + * The following code won't get run unless the running CPU really is v7, so + * coding round the lack of ldrht on older arches is pointless. Temporarily + * override the assembler target arch with the minimum required instead: + */ + .arch armv6t2 +#endif 2: ARM( ldrht r5, [r4], #2 ) THUMB( ldrht r5, [r4] ) THUMB( add r4, r4, #2 ) - and r0, r5, #0xf800 @ mask bits 111x x... .... .... - cmp r0, #0xe800 @ 32bit instruction if xx != 0 + cmp r5, #0xe800 @ 32bit instruction if xx != 0 blo __und_usr_unknown 3: ldrht r0, [r4] add r2, r2, #2 @ r2 is PC + 2, make it PC + 4 orr r0, r0, r5, lsl #16 + +#if __LINUX_ARM_ARCH__ < 7 +/* If the target arch was overridden, change it back: */ +#ifdef CONFIG_CPU_32v6K + .arch armv6k #else + .arch armv6 +#endif +#endif /* __LINUX_ARM_ARCH__ < 7 */ +#else /* !(CONFIG_ARM_THUMB && __LINUX_ARM_ARCH__ >= 6 && CONFIG_CPU_V7) */ b __und_usr_unknown #endif UNWIND(.fnend ) @@ -578,6 +606,12 @@ call_fpe: movw_pc lr @ CP#14 (Debug) movw_pc lr @ CP#15 (Control) +#ifdef NEED_CPU_ARCHITECTURE + .align 2 +.LCcpu_architecture: + .word __cpu_architecture +#endif + #ifdef CONFIG_NEON .align 6 diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index 742b610..239703d 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -21,6 +21,7 @@ #include <asm/memory.h> #include <asm/thread_info.h> #include <asm/system.h> +#include <asm/pgtable.h> #ifdef CONFIG_DEBUG_LL #include <mach/debug-macro.S> @@ -38,11 +39,14 @@ #error KERNEL_RAM_VADDR must start at 0xXXXX8000 #endif +#define PG_DIR_SIZE 0x4000 +#define PMD_ORDER 2 + .globl swapper_pg_dir - .equ swapper_pg_dir, KERNEL_RAM_VADDR - 0x4000 + .equ swapper_pg_dir, KERNEL_RAM_VADDR - PG_DIR_SIZE .macro pgtbl, rd, phys - add \rd, \phys, #TEXT_OFFSET - 0x4000 + add \rd, \phys, #TEXT_OFFSET - PG_DIR_SIZE .endm #ifdef CONFIG_XIP_KERNEL @@ -148,11 +152,11 @@ __create_page_tables: pgtbl r4, r8 @ page table address /* - * Clear the 16K level 1 swapper page table + * Clear the swapper page table */ mov r0, r4 mov r3, #0 - add r6, r0, #0x4000 + add r6, r0, #PG_DIR_SIZE 1: str r3, [r0], #4 str r3, [r0], #4 str r3, [r0], #4 @@ -171,30 +175,30 @@ __create_page_tables: sub r0, r0, r3 @ virt->phys offset add r5, r5, r0 @ phys __enable_mmu add r6, r6, r0 @ phys __enable_mmu_end - mov r5, r5, lsr #20 - mov r6, r6, lsr #20 + mov r5, r5, lsr #SECTION_SHIFT + mov r6, r6, lsr #SECTION_SHIFT -1: orr r3, r7, r5, lsl #20 @ flags + kernel base - str r3, [r4, r5, lsl #2] @ identity mapping - teq r5, r6 - addne r5, r5, #1 @ next section - bne 1b +1: orr r3, r7, r5, lsl #SECTION_SHIFT @ flags + kernel base + str r3, [r4, r5, lsl #PMD_ORDER] @ identity mapping + cmp r5, r6 + addlo r5, r5, #1 @ next section + blo 1b /* * Now setup the pagetables for our kernel direct * mapped region. */ mov r3, pc - mov r3, r3, lsr #20 - orr r3, r7, r3, lsl #20 - add r0, r4, #(KERNEL_START & 0xff000000) >> 18 - str r3, [r0, #(KERNEL_START & 0x00f00000) >> 18]! + mov r3, r3, lsr #SECTION_SHIFT + orr r3, r7, r3, lsl #SECTION_SHIFT + add r0, r4, #(KERNEL_START & 0xff000000) >> (SECTION_SHIFT - PMD_ORDER) + str r3, [r0, #((KERNEL_START & 0x00f00000) >> SECTION_SHIFT) << PMD_ORDER]! ldr r6, =(KERNEL_END - 1) - add r0, r0, #4 - add r6, r4, r6, lsr #18 + add r0, r0, #1 << PMD_ORDER + add r6, r4, r6, lsr #(SECTION_SHIFT - PMD_ORDER) 1: cmp r0, r6 - add r3, r3, #1 << 20 - strls r3, [r0], #4 + add r3, r3, #1 << SECTION_SHIFT + strls r3, [r0], #1 << PMD_ORDER bls 1b #ifdef CONFIG_XIP_KERNEL @@ -203,11 +207,11 @@ __create_page_tables: */ add r3, r8, #TEXT_OFFSET orr r3, r3, r7 - add r0, r4, #(KERNEL_RAM_VADDR & 0xff000000) >> 18 - str r3, [r0, #(KERNEL_RAM_VADDR & 0x00f00000) >> 18]! + add r0, r4, #(KERNEL_RAM_VADDR & 0xff000000) >> (SECTION_SHIFT - PMD_ORDER) + str r3, [r0, #(KERNEL_RAM_VADDR & 0x00f00000) >> (SECTION_SHIFT - PMD_ORDER)]! ldr r6, =(_end - 1) add r0, r0, #4 - add r6, r4, r6, lsr #18 + add r6, r4, r6, lsr #(SECTION_SHIFT - PMD_ORDER) 1: cmp r0, r6 add r3, r3, #1 << 20 strls r3, [r0], #4 @@ -218,12 +222,12 @@ __create_page_tables: * Then map boot params address in r2 or * the first 1MB of ram if boot params address is not specified. */ - mov r0, r2, lsr #20 - movs r0, r0, lsl #20 + mov r0, r2, lsr #SECTION_SHIFT + movs r0, r0, lsl #SECTION_SHIFT moveq r0, r8 sub r3, r0, r8 add r3, r3, #PAGE_OFFSET - add r3, r4, r3, lsr #18 + add r3, r4, r3, lsr #(SECTION_SHIFT - PMD_ORDER) orr r6, r7, r0 str r6, [r3] @@ -236,21 +240,21 @@ __create_page_tables: */ addruart r7, r3 - mov r3, r3, lsr #20 - mov r3, r3, lsl #2 + mov r3, r3, lsr #SECTION_SHIFT + mov r3, r3, lsl #PMD_ORDER add r0, r4, r3 rsb r3, r3, #0x4000 @ PTRS_PER_PGD*sizeof(long) cmp r3, #0x0800 @ limit to 512MB movhi r3, #0x0800 add r6, r0, r3 - mov r3, r7, lsr #20 + mov r3, r7, lsr #SECTION_SHIFT ldr r7, [r10, #PROCINFO_IO_MMUFLAGS] @ io_mmuflags - orr r3, r7, r3, lsl #20 + orr r3, r7, r3, lsl #SECTION_SHIFT 1: str r3, [r0], #4 - add r3, r3, #1 << 20 - teq r0, r6 - bne 1b + add r3, r3, #1 << SECTION_SHIFT + cmp r0, r6 + blo 1b #else /* CONFIG_DEBUG_ICEDCC */ /* we don't need any serial debugging mappings for ICEDCC */ @@ -262,7 +266,7 @@ __create_page_tables: * If we're using the NetWinder or CATS, we also need to map * in the 16550-type serial port for the debug messages */ - add r0, r4, #0xff000000 >> 18 + add r0, r4, #0xff000000 >> (SECTION_SHIFT - PMD_ORDER) orr r3, r7, #0x7c000000 str r3, [r0] #endif @@ -272,10 +276,10 @@ __create_page_tables: * Similar reasons here - for debug. This is * only for Acorn RiscPC architectures. */ - add r0, r4, #0x02000000 >> 18 + add r0, r4, #0x02000000 >> (SECTION_SHIFT - PMD_ORDER) orr r3, r7, #0x02000000 str r3, [r0] - add r0, r4, #0xd8000000 >> 18 + add r0, r4, #0xd8000000 >> (SECTION_SHIFT - PMD_ORDER) str r3, [r0] #endif #endif @@ -488,13 +492,8 @@ __fixup_pv_table: add r5, r5, r3 @ adjust table end address add r7, r7, r3 @ adjust __pv_phys_offset address str r8, [r7] @ save computed PHYS_OFFSET to __pv_phys_offset -#ifndef CONFIG_ARM_PATCH_PHYS_VIRT_16BIT mov r6, r3, lsr #24 @ constant for add/sub instructions teq r3, r6, lsl #24 @ must be 16MiB aligned -#else - mov r6, r3, lsr #16 @ constant for add/sub instructions - teq r3, r6, lsl #16 @ must be 64kiB aligned -#endif THUMB( it ne @ cross section branch ) bne __error str r6, [r7, #4] @ save to __pv_offset @@ -510,20 +509,8 @@ ENDPROC(__fixup_pv_table) .text __fixup_a_pv_table: #ifdef CONFIG_THUMB2_KERNEL -#ifdef CONFIG_ARM_PATCH_PHYS_VIRT_16BIT - lsls r0, r6, #24 - lsr r6, #8 - beq 1f - clz r7, r0 - lsr r0, #24 - lsl r0, r7 - bic r0, 0x0080 - lsrs r7, #1 - orrcs r0, #0x0080 - orr r0, r0, r7, lsl #12 -#endif -1: lsls r6, #24 - beq 4f + lsls r6, #24 + beq 2f clz r7, r6 lsr r6, #24 lsl r6, r7 @@ -532,43 +519,25 @@ __fixup_a_pv_table: orrcs r6, #0x0080 orr r6, r6, r7, lsl #12 orr r6, #0x4000 - b 4f -2: @ at this point the C flag is always clear - add r7, r3 -#ifdef CONFIG_ARM_PATCH_PHYS_VIRT_16BIT - ldrh ip, [r7] - tst ip, 0x0400 @ the i bit tells us LS or MS byte - beq 3f - cmp r0, #0 @ set C flag, and ... - biceq ip, 0x0400 @ immediate zero value has a special encoding - streqh ip, [r7] @ that requires the i bit cleared -#endif -3: ldrh ip, [r7, #2] + b 2f +1: add r7, r3 + ldrh ip, [r7, #2] and ip, 0x8f00 - orrcc ip, r6 @ mask in offset bits 31-24 - orrcs ip, r0 @ mask in offset bits 23-16 + orr ip, r6 @ mask in offset bits 31-24 strh ip, [r7, #2] -4: cmp r4, r5 +2: cmp r4, r5 ldrcc r7, [r4], #4 @ use branch for delay slot - bcc 2b + bcc 1b bx lr #else -#ifdef CONFIG_ARM_PATCH_PHYS_VIRT_16BIT - and r0, r6, #255 @ offset bits 23-16 - mov r6, r6, lsr #8 @ offset bits 31-24 -#else - mov r0, #0 @ just in case... -#endif - b 3f -2: ldr ip, [r7, r3] + b 2f +1: ldr ip, [r7, r3] bic ip, ip, #0x000000ff - tst ip, #0x400 @ rotate shift tells us LS or MS byte - orrne ip, ip, r6 @ mask in offset bits 31-24 - orreq ip, ip, r0 @ mask in offset bits 23-16 + orr ip, ip, r6 @ mask in offset bits 31-24 str ip, [r7, r3] -3: cmp r4, r5 +2: cmp r4, r5 ldrcc r7, [r4], #4 @ use branch for delay slot - bcc 2b + bcc 1b mov pc, lr #endif ENDPROC(__fixup_a_pv_table) diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c index de3dcab8..53919b2 100644 --- a/arch/arm/kernel/irq.c +++ b/arch/arm/kernel/irq.c @@ -35,8 +35,8 @@ #include <linux/list.h> #include <linux/kallsyms.h> #include <linux/proc_fs.h> -#include <linux/ftrace.h> +#include <asm/exception.h> #include <asm/system.h> #include <asm/mach/arch.h> #include <asm/mach/irq.h> diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c index e59bbd4..c1b4463 100644 --- a/arch/arm/kernel/machine_kexec.c +++ b/arch/arm/kernel/machine_kexec.c @@ -32,6 +32,24 @@ static atomic_t waiting_for_crash_ipi; int machine_kexec_prepare(struct kimage *image) { + unsigned long page_list; + void *reboot_code_buffer; + page_list = image->head & PAGE_MASK; + + reboot_code_buffer = page_address(image->control_code_page); + + /* Prepare parameters for reboot_code_buffer*/ + kexec_start_address = image->start; + kexec_indirection_page = page_list; + kexec_mach_type = machine_arch_type; + kexec_boot_atags = image->start - KEXEC_ARM_ZIMAGE_OFFSET + KEXEC_ARM_ATAGS_OFFSET; + + /* copy our kernel relocation code to the control code page */ + memcpy(reboot_code_buffer, + relocate_new_kernel, relocate_new_kernel_size); + + flush_icache_range((unsigned long) reboot_code_buffer, + (unsigned long) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE); return 0; } @@ -82,31 +100,14 @@ void (*kexec_reinit)(void); void machine_kexec(struct kimage *image) { - unsigned long page_list; unsigned long reboot_code_buffer_phys; void *reboot_code_buffer; - - page_list = image->head & PAGE_MASK; - /* we need both effective and real address here */ reboot_code_buffer_phys = page_to_pfn(image->control_code_page) << PAGE_SHIFT; reboot_code_buffer = page_address(image->control_code_page); - /* Prepare parameters for reboot_code_buffer*/ - kexec_start_address = image->start; - kexec_indirection_page = page_list; - kexec_mach_type = machine_arch_type; - kexec_boot_atags = image->start - KEXEC_ARM_ZIMAGE_OFFSET + KEXEC_ARM_ATAGS_OFFSET; - - /* copy our kernel relocation code to the control code page */ - memcpy(reboot_code_buffer, - relocate_new_kernel, relocate_new_kernel_size); - - - flush_icache_range((unsigned long) reboot_code_buffer, - (unsigned long) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE); printk(KERN_INFO "Bye!\n"); if (kexec_reinit) diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c index cc2020c..1e9be5d 100644 --- a/arch/arm/kernel/module.c +++ b/arch/arm/kernel/module.c @@ -33,7 +33,7 @@ * recompiling the whole kernel when CONFIG_XIP_KERNEL is turned on/off. */ #undef MODULES_VADDR -#define MODULES_VADDR (((unsigned long)_etext + ~PGDIR_MASK) & PGDIR_MASK) +#define MODULES_VADDR (((unsigned long)_etext + ~PMD_MASK) & PMD_MASK) #endif #ifdef CONFIG_MMU diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index 1a347f4..fd08140 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -319,7 +319,7 @@ void show_regs(struct pt_regs * regs) printk("\n"); printk("Pid: %d, comm: %20s\n", task_pid_nr(current), current->comm); __show_regs(regs); - __backtrace(); + dump_stack(); } ATOMIC_NOTIFIER_HEAD(thread_notify_head); diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index e514c76..3fe93f7 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -29,6 +29,8 @@ #include <linux/fs.h> #include <linux/proc_fs.h> #include <linux/memblock.h> +#include <linux/bug.h> +#include <linux/compiler.h> #include <asm/unified.h> #include <asm/cpu.h> @@ -42,6 +44,7 @@ #include <asm/cacheflush.h> #include <asm/cachetype.h> #include <asm/tlbflush.h> +#include <asm/system.h> #include <asm/prom.h> #include <asm/mach/arch.h> @@ -115,6 +118,13 @@ struct outer_cache_fns outer_cache __read_mostly; EXPORT_SYMBOL(outer_cache); #endif +/* + * Cached cpu_architecture() result for use by assembler code. + * C code should use the cpu_architecture() function instead of accessing this + * variable directly. + */ +int __cpu_architecture __read_mostly = CPU_ARCH_UNKNOWN; + struct stack { u32 irq[3]; u32 abt[3]; @@ -210,7 +220,7 @@ static const char *proc_arch[] = { "?(17)", }; -int cpu_architecture(void) +static int __get_cpu_architecture(void) { int cpu_arch; @@ -243,11 +253,22 @@ int cpu_architecture(void) return cpu_arch; } +int __pure cpu_architecture(void) +{ + BUG_ON(__cpu_architecture == CPU_ARCH_UNKNOWN); + + return __cpu_architecture; +} + static int cpu_has_aliasing_icache(unsigned int arch) { int aliasing_icache; unsigned int id_reg, num_sets, line_size; + /* PIPT caches never alias. */ + if (icache_is_pipt()) + return 0; + /* arch specifies the register format */ switch (arch) { case CPU_ARCH_ARMv7: @@ -282,8 +303,14 @@ static void __init cacheid_init(void) /* ARMv7 register format */ arch = CPU_ARCH_ARMv7; cacheid = CACHEID_VIPT_NONALIASING; - if ((cachetype & (3 << 14)) == 1 << 14) + switch (cachetype & (3 << 14)) { + case (1 << 14): cacheid |= CACHEID_ASID_TAGGED; + break; + case (3 << 14): + cacheid |= CACHEID_PIPT; + break; + } } else { arch = CPU_ARCH_ARMv6; if (cachetype & (1 << 23)) @@ -300,10 +327,11 @@ static void __init cacheid_init(void) printk("CPU: %s data cache, %s instruction cache\n", cache_is_vivt() ? "VIVT" : cache_is_vipt_aliasing() ? "VIPT aliasing" : - cache_is_vipt_nonaliasing() ? "VIPT nonaliasing" : "unknown", + cache_is_vipt_nonaliasing() ? "PIPT / VIPT nonaliasing" : "unknown", cache_is_vivt() ? "VIVT" : icache_is_vivt_asid_tagged() ? "VIVT ASID tagged" : icache_is_vipt_aliasing() ? "VIPT aliasing" : + icache_is_pipt() ? "PIPT" : cache_is_vipt_nonaliasing() ? "VIPT nonaliasing" : "unknown"); } @@ -414,6 +442,7 @@ static void __init setup_processor(void) } cpu_name = list->cpu_name; + __cpu_architecture = __get_cpu_architecture(); #ifdef MULTI_CPU processor = *list->proc; @@ -861,7 +890,7 @@ static struct machine_desc * __init setup_machine_tags(unsigned int nr) } if (mdesc->fixup) - mdesc->fixup(mdesc, tags, &from, &meminfo); + mdesc->fixup(tags, &from, &meminfo); if (tags->hdr.tag == ATAG_CORE) { if (meminfo.nr_banks != 0) diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index d88ff02..854ce33 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -16,7 +16,6 @@ #include <linux/cache.h> #include <linux/profile.h> #include <linux/errno.h> -#include <linux/ftrace.h> #include <linux/mm.h> #include <linux/err.h> #include <linux/cpu.h> @@ -31,6 +30,8 @@ #include <asm/cacheflush.h> #include <asm/cpu.h> #include <asm/cputype.h> +#include <asm/exception.h> +#include <asm/topology.h> #include <asm/mmu_context.h> #include <asm/pgtable.h> #include <asm/pgalloc.h> @@ -39,6 +40,7 @@ #include <asm/tlbflush.h> #include <asm/ptrace.h> #include <asm/localtimer.h> +#include <asm/smp_plat.h> /* * as from 2.5, kernels no longer have an init_tasks structure @@ -259,6 +261,20 @@ void __ref cpu_die(void) } #endif /* CONFIG_HOTPLUG_CPU */ +int __cpu_logical_map[NR_CPUS]; + +void __init smp_setup_processor_id(void) +{ + int i; + u32 cpu = is_smp() ? read_cpuid_mpidr() & 0xff : 0; + + cpu_logical_map(0) = cpu; + for (i = 1; i < NR_CPUS; ++i) + cpu_logical_map(i) = i == cpu ? 0 : i; + + printk(KERN_INFO "Booting Linux on physical CPU %d\n", cpu); +} + /* * Called by both boot and secondaries to move global data into * per-processor storage. @@ -268,6 +284,8 @@ static void __cpuinit smp_store_cpu_info(unsigned int cpuid) struct cpuinfo_arm *cpu_info = &per_cpu(cpu_data, cpuid); cpu_info->loops_per_jiffy = loops_per_jiffy; + + store_cpu_topology(cpuid); } /* @@ -301,17 +319,7 @@ asmlinkage void __cpuinit secondary_start_kernel(void) */ platform_secondary_init(cpu); - /* - * Enable local interrupts. - */ notify_cpu_starting(cpu); - local_irq_enable(); - local_fiq_enable(); - - /* - * Setup the percpu timer for this CPU. - */ - percpu_timer_setup(); calibrate_delay(); @@ -323,10 +331,23 @@ asmlinkage void __cpuinit secondary_start_kernel(void) * before we continue. */ set_cpu_online(cpu, true); + + /* + * Setup the percpu timer for this CPU. + */ + percpu_timer_setup(); + while (!cpu_active(cpu)) cpu_relax(); /* + * cpu_active bit is set, so it's safe to enalbe interrupts + * now. + */ + local_irq_enable(); + local_fiq_enable(); + + /* * OK, it's off to the idle thread for us */ cpu_idle(); @@ -358,6 +379,8 @@ void __init smp_prepare_cpus(unsigned int max_cpus) { unsigned int ncores = num_possible_cpus(); + init_cpu_topology(); + smp_store_cpu_info(smp_processor_id()); /* @@ -460,6 +483,11 @@ static void ipi_timer(void) #ifdef CONFIG_LOCAL_TIMERS asmlinkage void __exception_irq_entry do_local_timer(struct pt_regs *regs) { + handle_local_timer(regs); +} + +void handle_local_timer(struct pt_regs *regs) +{ struct pt_regs *old_regs = set_irq_regs(regs); int cpu = smp_processor_id(); @@ -567,6 +595,11 @@ static void ipi_cpu_stop(unsigned int cpu) */ asmlinkage void __exception_irq_entry do_IPI(int ipinr, struct pt_regs *regs) { + handle_IPI(ipinr, regs); +} + +void handle_IPI(int ipinr, struct pt_regs *regs) +{ unsigned int cpu = smp_processor_id(); struct pt_regs *old_regs = set_irq_regs(regs); diff --git a/arch/arm/kernel/smp_scu.c b/arch/arm/kernel/smp_scu.c index 7fcddb7..8f5dd79 100644 --- a/arch/arm/kernel/smp_scu.c +++ b/arch/arm/kernel/smp_scu.c @@ -34,7 +34,7 @@ unsigned int __init scu_get_core_count(void __iomem *scu_base) /* * Enable the SCU */ -void __init scu_enable(void __iomem *scu_base) +void scu_enable(void __iomem *scu_base) { u32 scu_ctrl; diff --git a/arch/arm/kernel/time.c b/arch/arm/kernel/time.c index cb634c3..5a54b95 100644 --- a/arch/arm/kernel/time.c +++ b/arch/arm/kernel/time.c @@ -39,13 +39,11 @@ */ static struct sys_timer *system_timer; -#if defined(CONFIG_RTC_DRV_CMOS) || defined(CONFIG_RTC_DRV_CMOS_MODULE) +#if defined(CONFIG_RTC_DRV_CMOS) || defined(CONFIG_RTC_DRV_CMOS_MODULE) || \ + defined(CONFIG_NVRAM) || defined(CONFIG_NVRAM_MODULE) /* this needs a better home */ DEFINE_SPINLOCK(rtc_lock); - -#ifdef CONFIG_RTC_DRV_CMOS_MODULE EXPORT_SYMBOL(rtc_lock); -#endif #endif /* pc-style 'CMOS' RTC support */ /* change this if you have some constant time drift */ diff --git a/arch/arm/kernel/topology.c b/arch/arm/kernel/topology.c new file mode 100644 index 0000000..1040c00 --- /dev/null +++ b/arch/arm/kernel/topology.c @@ -0,0 +1,148 @@ +/* + * arch/arm/kernel/topology.c + * + * Copyright (C) 2011 Linaro Limited. + * Written by: Vincent Guittot + * + * based on arch/sh/kernel/topology.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. + */ + +#include <linux/cpu.h> +#include <linux/cpumask.h> +#include <linux/init.h> +#include <linux/percpu.h> +#include <linux/node.h> +#include <linux/nodemask.h> +#include <linux/sched.h> + +#include <asm/cputype.h> +#include <asm/topology.h> + +#define MPIDR_SMP_BITMASK (0x3 << 30) +#define MPIDR_SMP_VALUE (0x2 << 30) + +#define MPIDR_MT_BITMASK (0x1 << 24) + +/* + * These masks reflect the current use of the affinity levels. + * The affinity level can be up to 16 bits according to ARM ARM + */ + +#define MPIDR_LEVEL0_MASK 0x3 +#define MPIDR_LEVEL0_SHIFT 0 + +#define MPIDR_LEVEL1_MASK 0xF +#define MPIDR_LEVEL1_SHIFT 8 + +#define MPIDR_LEVEL2_MASK 0xFF +#define MPIDR_LEVEL2_SHIFT 16 + +struct cputopo_arm cpu_topology[NR_CPUS]; + +const struct cpumask *cpu_coregroup_mask(unsigned int cpu) +{ + return &cpu_topology[cpu].core_sibling; +} + +/* + * store_cpu_topology is called at boot when only one cpu is running + * and with the mutex cpu_hotplug.lock locked, when several cpus have booted, + * which prevents simultaneous write access to cpu_topology array + */ +void store_cpu_topology(unsigned int cpuid) +{ + struct cputopo_arm *cpuid_topo = &cpu_topology[cpuid]; + unsigned int mpidr; + unsigned int cpu; + + /* If the cpu topology has been already set, just return */ + if (cpuid_topo->core_id != -1) + return; + + mpidr = read_cpuid_mpidr(); + + /* create cpu topology mapping */ + if ((mpidr & MPIDR_SMP_BITMASK) == MPIDR_SMP_VALUE) { + /* + * This is a multiprocessor system + * multiprocessor format & multiprocessor mode field are set + */ + + if (mpidr & MPIDR_MT_BITMASK) { + /* core performance interdependency */ + cpuid_topo->thread_id = (mpidr >> MPIDR_LEVEL0_SHIFT) + & MPIDR_LEVEL0_MASK; + cpuid_topo->core_id = (mpidr >> MPIDR_LEVEL1_SHIFT) + & MPIDR_LEVEL1_MASK; + cpuid_topo->socket_id = (mpidr >> MPIDR_LEVEL2_SHIFT) + & MPIDR_LEVEL2_MASK; + } else { + /* largely independent cores */ + cpuid_topo->thread_id = -1; + cpuid_topo->core_id = (mpidr >> MPIDR_LEVEL0_SHIFT) + & MPIDR_LEVEL0_MASK; + cpuid_topo->socket_id = (mpidr >> MPIDR_LEVEL1_SHIFT) + & MPIDR_LEVEL1_MASK; + } + } else { + /* + * This is an uniprocessor system + * we are in multiprocessor format but uniprocessor system + * or in the old uniprocessor format + */ + cpuid_topo->thread_id = -1; + cpuid_topo->core_id = 0; + cpuid_topo->socket_id = -1; + } + + /* update core and thread sibling masks */ + for_each_possible_cpu(cpu) { + struct cputopo_arm *cpu_topo = &cpu_topology[cpu]; + + if (cpuid_topo->socket_id == cpu_topo->socket_id) { + cpumask_set_cpu(cpuid, &cpu_topo->core_sibling); + if (cpu != cpuid) + cpumask_set_cpu(cpu, + &cpuid_topo->core_sibling); + + if (cpuid_topo->core_id == cpu_topo->core_id) { + cpumask_set_cpu(cpuid, + &cpu_topo->thread_sibling); + if (cpu != cpuid) + cpumask_set_cpu(cpu, + &cpuid_topo->thread_sibling); + } + } + } + smp_wmb(); + + printk(KERN_INFO "CPU%u: thread %d, cpu %d, socket %d, mpidr %x\n", + cpuid, cpu_topology[cpuid].thread_id, + cpu_topology[cpuid].core_id, + cpu_topology[cpuid].socket_id, mpidr); +} + +/* + * init_cpu_topology is called at boot when only one cpu is running + * which prevent simultaneous write access to cpu_topology array + */ +void init_cpu_topology(void) +{ + unsigned int cpu; + + /* init core mask */ + for_each_possible_cpu(cpu) { + struct cputopo_arm *cpu_topo = &(cpu_topology[cpu]); + + cpu_topo->thread_id = -1; + cpu_topo->core_id = -1; + cpu_topo->socket_id = -1; + cpumask_clear(&cpu_topo->core_sibling); + cpumask_clear(&cpu_topo->thread_sibling); + } + smp_wmb(); +} diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index bc9f9da..7f5b99e 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -21,12 +21,14 @@ #include <linux/kdebug.h> #include <linux/module.h> #include <linux/kexec.h> +#include <linux/bug.h> #include <linux/delay.h> #include <linux/init.h> #include <linux/sched.h> #include <linux/atomic.h> #include <asm/cacheflush.h> +#include <asm/exception.h> #include <asm/system.h> #include <asm/unistd.h> #include <asm/traps.h> @@ -270,6 +272,8 @@ void die(const char *str, struct pt_regs *regs, int err) spin_lock_irq(&die_lock); console_verbose(); bust_spinlocks(1); + if (!user_mode(regs)) + report_bug(regs->ARM_pc, regs); ret = __die(str, err, thread, regs); if (regs && kexec_should_crash(thread->task)) @@ -301,6 +305,24 @@ void arm_notify_die(const char *str, struct pt_regs *regs, } } +#ifdef CONFIG_GENERIC_BUG + +int is_valid_bugaddr(unsigned long pc) +{ +#ifdef CONFIG_THUMB2_KERNEL + unsigned short bkpt; +#else + unsigned long bkpt; +#endif + + if (probe_kernel_address((unsigned *)pc, bkpt)) + return 0; + + return bkpt == BUG_INSTR_VALUE; +} + +#endif + static LIST_HEAD(undef_hook); static DEFINE_SPINLOCK(undef_lock); @@ -706,16 +728,6 @@ baddataabort(int code, unsigned long instr, struct pt_regs *regs) arm_notify_die("unknown data abort code", regs, &info, instr, 0); } -void __attribute__((noreturn)) __bug(const char *file, int line) -{ - printk(KERN_CRIT"kernel BUG at %s:%d!\n", file, line); - *(int *)0 = 0; - - /* Avoid "noreturn function does return" */ - for (;;); -} -EXPORT_SYMBOL(__bug); - void __readwrite_bug(const char *fn) { printk("%s called, but not implemented\n", fn); diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S index 4e66f62..20b3041 100644 --- a/arch/arm/kernel/vmlinux.lds.S +++ b/arch/arm/kernel/vmlinux.lds.S @@ -21,7 +21,8 @@ #define ARM_CPU_KEEP(x) #endif -#if defined(CONFIG_SMP_ON_UP) && !defined(CONFIG_DEBUG_SPINLOCK) +#if (defined(CONFIG_SMP_ON_UP) && !defined(CONFIG_DEBUG_SPINLOCK)) || \ + defined(CONFIG_GENERIC_BUG) #define ARM_EXIT_KEEP(x) x #define ARM_EXIT_DISCARD(x) #else diff --git a/arch/arm/lib/backtrace.S b/arch/arm/lib/backtrace.S index a673297..cd07b58 100644 --- a/arch/arm/lib/backtrace.S +++ b/arch/arm/lib/backtrace.S @@ -22,15 +22,10 @@ #define mask r7 #define offset r8 -ENTRY(__backtrace) - mov r1, #0x10 - mov r0, fp - ENTRY(c_backtrace) #if !defined(CONFIG_FRAME_POINTER) || !defined(CONFIG_PRINTK) mov pc, lr -ENDPROC(__backtrace) ENDPROC(c_backtrace) #else stmfd sp!, {r4 - r8, lr} @ Save an extra register so we have a location... @@ -107,7 +102,6 @@ for_each_frame: tst frame, mask @ Check for address exceptions mov r1, frame bl printk no_frame: ldmfd sp!, {r4 - r8, pc} -ENDPROC(__backtrace) ENDPROC(c_backtrace) .pushsection __ex_table,"a" diff --git a/arch/arm/lib/div64.S b/arch/arm/lib/div64.S index faa7748..e55c484 100644 --- a/arch/arm/lib/div64.S +++ b/arch/arm/lib/div64.S @@ -13,6 +13,7 @@ */ #include <linux/linkage.h> +#include <asm/unwind.h> #ifdef __ARMEB__ #define xh r0 @@ -44,6 +45,7 @@ */ ENTRY(__do_div64) +UNWIND(.fnstart) @ Test for easy paths first. subs ip, r4, #1 @@ -189,7 +191,12 @@ ENTRY(__do_div64) moveq yh, xh moveq xh, #0 moveq pc, lr +UNWIND(.fnend) +UNWIND(.fnstart) +UNWIND(.pad #4) +UNWIND(.save {lr}) +Ldiv0_64: @ Division by 0: str lr, [sp, #-8]! bl __div0 @@ -200,4 +207,5 @@ ENTRY(__do_div64) mov xh, #0 ldr pc, [sp], #8 +UNWIND(.fnend) ENDPROC(__do_div64) diff --git a/arch/arm/lib/uaccess_with_memcpy.c b/arch/arm/lib/uaccess_with_memcpy.c index 8b9b136..025f742 100644 --- a/arch/arm/lib/uaccess_with_memcpy.c +++ b/arch/arm/lib/uaccess_with_memcpy.c @@ -17,6 +17,7 @@ #include <linux/sched.h> #include <linux/hardirq.h> /* for in_atomic() */ #include <linux/gfp.h> +#include <linux/highmem.h> #include <asm/current.h> #include <asm/page.h> diff --git a/arch/arm/mach-at91/Makefile.boot b/arch/arm/mach-at91/Makefile.boot index 3462b81..9ab5a3e 100644 --- a/arch/arm/mach-at91/Makefile.boot +++ b/arch/arm/mach-at91/Makefile.boot @@ -4,15 +4,15 @@ # INITRD_PHYS must be in RAM ifeq ($(CONFIG_ARCH_AT91CAP9),y) - zreladdr-y := 0x70008000 + zreladdr-y += 0x70008000 params_phys-y := 0x70000100 initrd_phys-y := 0x70410000 else ifeq ($(CONFIG_ARCH_AT91SAM9G45),y) - zreladdr-y := 0x70008000 + zreladdr-y += 0x70008000 params_phys-y := 0x70000100 initrd_phys-y := 0x70410000 else - zreladdr-y := 0x20008000 + zreladdr-y += 0x20008000 params_phys-y := 0x20000100 initrd_phys-y := 0x20410000 endif diff --git a/arch/arm/mach-bcmring/Makefile.boot b/arch/arm/mach-bcmring/Makefile.boot index fb53b28..aef2467 100644 --- a/arch/arm/mach-bcmring/Makefile.boot +++ b/arch/arm/mach-bcmring/Makefile.boot @@ -1,6 +1,6 @@ # Address where decompressor will be written and eventually executed. # # default to SDRAM -zreladdr-y := $(CONFIG_BCM_ZRELADDR) +zreladdr-y += $(CONFIG_BCM_ZRELADDR) params_phys-y := 0x00000800 diff --git a/arch/arm/mach-bcmring/arch.c b/arch/arm/mach-bcmring/arch.c index a604b9e..31a1435 100644 --- a/arch/arm/mach-bcmring/arch.c +++ b/arch/arm/mach-bcmring/arch.c @@ -136,8 +136,8 @@ static void __init bcmring_init_machine(void) * *****************************************************************************/ -static void __init bcmring_fixup(struct machine_desc *desc, - struct tag *t, char **cmdline, struct meminfo *mi) { +static void __init bcmring_fixup(struct tag *t, char **cmdline, + struct meminfo *mi) { #ifdef CONFIG_BLK_DEV_INITRD printk(KERN_NOTICE "bcmring_fixup\n"); t->hdr.tag = ATAG_CORE; diff --git a/arch/arm/mach-clps711x/Makefile.boot b/arch/arm/mach-clps711x/Makefile.boot index a51fcef..9398e85 100644 --- a/arch/arm/mach-clps711x/Makefile.boot +++ b/arch/arm/mach-clps711x/Makefile.boot @@ -1,5 +1,5 @@ # The standard locations for stuff on CLPS711x type processors - zreladdr-y := 0xc0028000 + zreladdr-y += 0xc0028000 params_phys-y := 0xc0000100 # Should probably have some agreement on these... initrd_phys-$(CONFIG_ARCH_P720T) := 0xc0400000 diff --git a/arch/arm/mach-clps711x/clep7312.c b/arch/arm/mach-clps711x/clep7312.c index 67b5abb4..0a2e74f 100644 --- a/arch/arm/mach-clps711x/clep7312.c +++ b/arch/arm/mach-clps711x/clep7312.c @@ -26,8 +26,7 @@ #include "common.h" static void __init -fixup_clep7312(struct machine_desc *desc, struct tag *tags, - char **cmdline, struct meminfo *mi) +fixup_clep7312(struct tag *tags, char **cmdline, struct meminfo *mi) { mi->nr_banks=1; mi->bank[0].start = 0xc0000000; diff --git a/arch/arm/mach-clps711x/edb7211-arch.c b/arch/arm/mach-clps711x/edb7211-arch.c index 98ca5b2..725a7a5 100644 --- a/arch/arm/mach-clps711x/edb7211-arch.c +++ b/arch/arm/mach-clps711x/edb7211-arch.c @@ -37,8 +37,7 @@ static void __init edb7211_reserve(void) } static void __init -fixup_edb7211(struct machine_desc *desc, struct tag *tags, - char **cmdline, struct meminfo *mi) +fixup_edb7211(struct tag *tags, char **cmdline, struct meminfo *mi) { /* * Bank start addresses are not present in the information diff --git a/arch/arm/mach-clps711x/fortunet.c b/arch/arm/mach-clps711x/fortunet.c index b1cb479..1947b30 100644 --- a/arch/arm/mach-clps711x/fortunet.c +++ b/arch/arm/mach-clps711x/fortunet.c @@ -57,8 +57,7 @@ typedef struct tag_IMAGE_PARAMS #define IMAGE_PARAMS_PHYS 0xC01F0000 static void __init -fortunet_fixup(struct machine_desc *desc, struct tag *tags, - char **cmdline, struct meminfo *mi) +fortunet_fixup(struct tag *tags, char **cmdline, struct meminfo *mi) { IMAGE_PARAMS *ip = phys_to_virt(IMAGE_PARAMS_PHYS); *cmdline = phys_to_virt(ip->command_line); diff --git a/arch/arm/mach-clps711x/p720t.c b/arch/arm/mach-clps711x/p720t.c index cefbce0..3f796e0 100644 --- a/arch/arm/mach-clps711x/p720t.c +++ b/arch/arm/mach-clps711x/p720t.c @@ -56,8 +56,7 @@ static struct map_desc p720t_io_desc[] __initdata = { }; static void __init -fixup_p720t(struct machine_desc *desc, struct tag *tag, - char **cmdline, struct meminfo *mi) +fixup_p720t(struct tag *tag, char **cmdline, struct meminfo *mi) { /* * Our bootloader doesn't setup any tags (yet). diff --git a/arch/arm/mach-cns3xxx/Makefile.boot b/arch/arm/mach-cns3xxx/Makefile.boot index 7770128..d079de0 100644 --- a/arch/arm/mach-cns3xxx/Makefile.boot +++ b/arch/arm/mach-cns3xxx/Makefile.boot @@ -1,3 +1,3 @@ - zreladdr-y := 0x00008000 + zreladdr-y += 0x00008000 params_phys-y := 0x00000100 initrd_phys-y := 0x00C00000 diff --git a/arch/arm/mach-davinci/Makefile.boot b/arch/arm/mach-davinci/Makefile.boot index db97ef2..04a6c4e 100644 --- a/arch/arm/mach-davinci/Makefile.boot +++ b/arch/arm/mach-davinci/Makefile.boot @@ -2,12 +2,12 @@ ifeq ($(CONFIG_ARCH_DAVINCI_DA8XX),y) ifeq ($(CONFIG_ARCH_DAVINCI_DMx),y) $(error Cannot enable DaVinci and DA8XX platforms concurrently) else - zreladdr-y := 0xc0008000 + zreladdr-y += 0xc0008000 params_phys-y := 0xc0000100 initrd_phys-y := 0xc0800000 endif else - zreladdr-y := 0x80008000 + zreladdr-y += 0x80008000 params_phys-y := 0x80000100 initrd_phys-y := 0x80800000 endif diff --git a/arch/arm/mach-dove/Makefile.boot b/arch/arm/mach-dove/Makefile.boot index 67039c3..760a0ef 100644 --- a/arch/arm/mach-dove/Makefile.boot +++ b/arch/arm/mach-dove/Makefile.boot @@ -1,3 +1,3 @@ - zreladdr-y := 0x00008000 + zreladdr-y += 0x00008000 params_phys-y := 0x00000100 initrd_phys-y := 0x00800000 diff --git a/arch/arm/mach-ebsa110/Makefile.boot b/arch/arm/mach-ebsa110/Makefile.boot index 2321260..83cf07c 100644 --- a/arch/arm/mach-ebsa110/Makefile.boot +++ b/arch/arm/mach-ebsa110/Makefile.boot @@ -1,4 +1,4 @@ - zreladdr-y := 0x00008000 + zreladdr-y += 0x00008000 params_phys-y := 0x00000400 initrd_phys-y := 0x00800000 diff --git a/arch/arm/mach-ebsa110/include/mach/io.h b/arch/arm/mach-ebsa110/include/mach/io.h index f68daa63..44679db 100644 --- a/arch/arm/mach-ebsa110/include/mach/io.h +++ b/arch/arm/mach-ebsa110/include/mach/io.h @@ -13,8 +13,6 @@ #ifndef __ASM_ARM_ARCH_IO_H #define __ASM_ARM_ARCH_IO_H -#define IO_SPACE_LIMIT 0xffff - u8 __inb8(unsigned int port); void __outb8(u8 val, unsigned int port); diff --git a/arch/arm/mach-ep93xx/Makefile.boot b/arch/arm/mach-ep93xx/Makefile.boot index 0ad33f1..d3113a7 100644 --- a/arch/arm/mach-ep93xx/Makefile.boot +++ b/arch/arm/mach-ep93xx/Makefile.boot @@ -1,14 +1,14 @@ - zreladdr-$(CONFIG_EP93XX_SDCE3_SYNC_PHYS_OFFSET) := 0x00008000 + zreladdr-$(CONFIG_EP93XX_SDCE3_SYNC_PHYS_OFFSET) += 0x00008000 params_phys-$(CONFIG_EP93XX_SDCE3_SYNC_PHYS_OFFSET) := 0x00000100 - zreladdr-$(CONFIG_EP93XX_SDCE0_PHYS_OFFSET) := 0xc0008000 + zreladdr-$(CONFIG_EP93XX_SDCE0_PHYS_OFFSET) += 0xc0008000 params_phys-$(CONFIG_EP93XX_SDCE0_PHYS_OFFSET) := 0xc0000100 - zreladdr-$(CONFIG_EP93XX_SDCE1_PHYS_OFFSET) := 0xd0008000 + zreladdr-$(CONFIG_EP93XX_SDCE1_PHYS_OFFSET) += 0xd0008000 params_phys-$(CONFIG_EP93XX_SDCE1_PHYS_OFFSET) := 0xd0000100 - zreladdr-$(CONFIG_EP93XX_SDCE2_PHYS_OFFSET) := 0xe0008000 + zreladdr-$(CONFIG_EP93XX_SDCE2_PHYS_OFFSET) += 0xe0008000 params_phys-$(CONFIG_EP93XX_SDCE2_PHYS_OFFSET) := 0xe0000100 - zreladdr-$(CONFIG_EP93XX_SDCE3_ASYNC_PHYS_OFFSET) := 0xf0008000 + zreladdr-$(CONFIG_EP93XX_SDCE3_ASYNC_PHYS_OFFSET) += 0xf0008000 params_phys-$(CONFIG_EP93XX_SDCE3_ASYNC_PHYS_OFFSET) := 0xf0000100 diff --git a/arch/arm/mach-exynos4/Kconfig b/arch/arm/mach-exynos4/Kconfig index 0c77ab9..fc1f92d 100644 --- a/arch/arm/mach-exynos4/Kconfig +++ b/arch/arm/mach-exynos4/Kconfig @@ -12,6 +12,7 @@ if ARCH_EXYNOS4 config CPU_EXYNOS4210 bool select S3C_PL330_DMA + select ARM_CPU_SUSPEND if PM help Enable EXYNOS4210 CPU support diff --git a/arch/arm/mach-exynos4/Makefile.boot b/arch/arm/mach-exynos4/Makefile.boot index d65956f..b9862e2 100644 --- a/arch/arm/mach-exynos4/Makefile.boot +++ b/arch/arm/mach-exynos4/Makefile.boot @@ -1,2 +1,2 @@ - zreladdr-y := 0x40008000 + zreladdr-y += 0x40008000 params_phys-y := 0x40000100 diff --git a/arch/arm/mach-exynos4/platsmp.c b/arch/arm/mach-exynos4/platsmp.c index df6ef1b..0c90896 100644 --- a/arch/arm/mach-exynos4/platsmp.c +++ b/arch/arm/mach-exynos4/platsmp.c @@ -193,12 +193,10 @@ void __init smp_init_cpus(void) ncores = scu_base ? scu_get_core_count(scu_base) : 1; /* sanity check */ - if (ncores > NR_CPUS) { - printk(KERN_WARNING - "EXYNOS4: no. of cores (%d) greater than configured " - "maximum of %d - clipping\n", - ncores, NR_CPUS); - ncores = NR_CPUS; + if (ncores > nr_cpu_ids) { + pr_warn("SMP: %u cores greater than maximum (%u), clipping\n", + ncores, nr_cpu_ids); + ncores = nr_cpu_ids; } for (i = 0; i < ncores; i++) diff --git a/arch/arm/mach-footbridge/Kconfig b/arch/arm/mach-footbridge/Kconfig index c8e7afc..f643ef8 100644 --- a/arch/arm/mach-footbridge/Kconfig +++ b/arch/arm/mach-footbridge/Kconfig @@ -4,8 +4,8 @@ menu "Footbridge Implementations" config ARCH_CATS bool "CATS" - select CLKSRC_I8253 select CLKEVT_I8253 + select CLKSRC_I8253 select FOOTBRIDGE_HOST select ISA select ISA_DMA @@ -61,8 +61,8 @@ config ARCH_EBSA285_HOST config ARCH_NETWINDER bool "NetWinder" - select CLKSRC_I8253 select CLKEVT_I8253 + select CLKSRC_I8253 select FOOTBRIDGE_HOST select ISA select ISA_DMA diff --git a/arch/arm/mach-footbridge/Makefile.boot b/arch/arm/mach-footbridge/Makefile.boot index c7e75ac..ff0a4b5 100644 --- a/arch/arm/mach-footbridge/Makefile.boot +++ b/arch/arm/mach-footbridge/Makefile.boot @@ -1,4 +1,4 @@ - zreladdr-y := 0x00008000 + zreladdr-y += 0x00008000 params_phys-y := 0x00000100 initrd_phys-y := 0x00800000 diff --git a/arch/arm/mach-footbridge/cats-hw.c b/arch/arm/mach-footbridge/cats-hw.c index 5b1a8db..206ff2f 100644 --- a/arch/arm/mach-footbridge/cats-hw.c +++ b/arch/arm/mach-footbridge/cats-hw.c @@ -76,8 +76,7 @@ __initcall(cats_hw_init); * hard reboots fail on early boards. */ static void __init -fixup_cats(struct machine_desc *desc, struct tag *tags, - char **cmdline, struct meminfo *mi) +fixup_cats(struct tag *tags, char **cmdline, struct meminfo *mi) { screen_info.orig_video_lines = 25; screen_info.orig_video_points = 16; diff --git a/arch/arm/mach-footbridge/include/mach/io.h b/arch/arm/mach-footbridge/include/mach/io.h index 32e4cc3..15a7039 100644 --- a/arch/arm/mach-footbridge/include/mach/io.h +++ b/arch/arm/mach-footbridge/include/mach/io.h @@ -23,8 +23,6 @@ #define PCIO_SIZE 0x00100000 #define PCIO_BASE MMU_IO(0xff000000, 0x7c000000) -#define IO_SPACE_LIMIT 0xffff - /* * Translation of various region addresses to virtual addresses */ diff --git a/arch/arm/mach-footbridge/netwinder-hw.c b/arch/arm/mach-footbridge/netwinder-hw.c index 06e514f..4cbc2e6 100644 --- a/arch/arm/mach-footbridge/netwinder-hw.c +++ b/arch/arm/mach-footbridge/netwinder-hw.c @@ -631,8 +631,7 @@ __initcall(nw_hw_init); * the parameter page. */ static void __init -fixup_netwinder(struct machine_desc *desc, struct tag *tags, - char **cmdline, struct meminfo *mi) +fixup_netwinder(struct tag *tags, char **cmdline, struct meminfo *mi) { #ifdef CONFIG_ISAPNP extern int isapnp_disable; diff --git a/arch/arm/mach-gemini/Makefile.boot b/arch/arm/mach-gemini/Makefile.boot index 22a52c22..683f52b 100644 --- a/arch/arm/mach-gemini/Makefile.boot +++ b/arch/arm/mach-gemini/Makefile.boot @@ -1,9 +1,9 @@ ifeq ($(CONFIG_GEMINI_MEM_SWAP),y) - zreladdr-y := 0x00008000 + zreladdr-y += 0x00008000 params_phys-y := 0x00000100 initrd_phys-y := 0x00800000 else - zreladdr-y := 0x10008000 + zreladdr-y += 0x10008000 params_phys-y := 0x10000100 initrd_phys-y := 0x10800000 endif diff --git a/arch/arm/mach-h720x/Makefile.boot b/arch/arm/mach-h720x/Makefile.boot index 5298401..d875a70 100644 --- a/arch/arm/mach-h720x/Makefile.boot +++ b/arch/arm/mach-h720x/Makefile.boot @@ -1,2 +1,2 @@ - zreladdr-$(CONFIG_ARCH_H720X) := 0x40008000 + zreladdr-$(CONFIG_ARCH_H720X) += 0x40008000 diff --git a/arch/arm/mach-imx/Makefile.boot b/arch/arm/mach-imx/Makefile.boot index ebee18b..dbe6120 100644 --- a/arch/arm/mach-imx/Makefile.boot +++ b/arch/arm/mach-imx/Makefile.boot @@ -1,19 +1,19 @@ -zreladdr-$(CONFIG_ARCH_MX1) := 0x08008000 +zreladdr-$(CONFIG_ARCH_MX1) += 0x08008000 params_phys-$(CONFIG_ARCH_MX1) := 0x08000100 initrd_phys-$(CONFIG_ARCH_MX1) := 0x08800000 -zreladdr-$(CONFIG_MACH_MX21) := 0xC0008000 +zreladdr-$(CONFIG_MACH_MX21) += 0xC0008000 params_phys-$(CONFIG_MACH_MX21) := 0xC0000100 initrd_phys-$(CONFIG_MACH_MX21) := 0xC0800000 -zreladdr-$(CONFIG_ARCH_MX25) := 0x80008000 +zreladdr-$(CONFIG_ARCH_MX25) += 0x80008000 params_phys-$(CONFIG_ARCH_MX25) := 0x80000100 initrd_phys-$(CONFIG_ARCH_MX25) := 0x80800000 -zreladdr-$(CONFIG_MACH_MX27) := 0xA0008000 +zreladdr-$(CONFIG_MACH_MX27) += 0xA0008000 params_phys-$(CONFIG_MACH_MX27) := 0xA0000100 initrd_phys-$(CONFIG_MACH_MX27) := 0xA0800000 -zreladdr-$(CONFIG_ARCH_MX3) := 0x80008000 +zreladdr-$(CONFIG_ARCH_MX3) += 0x80008000 params_phys-$(CONFIG_ARCH_MX3) := 0x80000100 initrd_phys-$(CONFIG_ARCH_MX3) := 0x80800000 diff --git a/arch/arm/mach-integrator/Makefile.boot b/arch/arm/mach-integrator/Makefile.boot index c7e75ac..ff0a4b5 100644 --- a/arch/arm/mach-integrator/Makefile.boot +++ b/arch/arm/mach-integrator/Makefile.boot @@ -1,4 +1,4 @@ - zreladdr-y := 0x00008000 + zreladdr-y += 0x00008000 params_phys-y := 0x00000100 initrd_phys-y := 0x00800000 diff --git a/arch/arm/mach-integrator/core.c b/arch/arm/mach-integrator/core.c index 77315b9..82ebc8d 100644 --- a/arch/arm/mach-integrator/core.c +++ b/arch/arm/mach-integrator/core.c @@ -126,6 +126,10 @@ static struct clk_lookup lookups[] = { { /* Bus clock */ .con_id = "apb_pclk", .clk = &dummy_apb_pclk, + }, { + /* Integrator/AP timer frequency */ + .dev_id = "ap_timer", + .clk = &clk24mhz, }, { /* UART0 */ .dev_id = "mb:16", .clk = &uartclk, diff --git a/arch/arm/mach-integrator/include/mach/io.h b/arch/arm/mach-integrator/include/mach/io.h index f21bb54..37beed3 100644 --- a/arch/arm/mach-integrator/include/mach/io.h +++ b/arch/arm/mach-integrator/include/mach/io.h @@ -20,8 +20,6 @@ #ifndef __ASM_ARM_ARCH_IO_H #define __ASM_ARM_ARCH_IO_H -#define IO_SPACE_LIMIT 0xffff - /* * WARNING: this has to mirror definitions in platform.h */ diff --git a/arch/arm/mach-integrator/include/mach/platform.h b/arch/arm/mach-integrator/include/mach/platform.h index 5e6ea5c..ec467ba 100644 --- a/arch/arm/mach-integrator/include/mach/platform.h +++ b/arch/arm/mach-integrator/include/mach/platform.h @@ -13,9 +13,6 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -/* DO NOT EDIT!! - this file automatically generated - * from .s file by awk -f s2h.awk - */ /************************************************************************** * * Copyright © ARM Limited 1998. All rights reserved. * ***********************************************************************/ @@ -399,15 +396,6 @@ #define INTEGRATOR_TIMER1_BASE (INTEGRATOR_CT_BASE + 0x100) #define INTEGRATOR_TIMER2_BASE (INTEGRATOR_CT_BASE + 0x200) -#define TICKS_PER_uSEC 24 - -/* - * These are useconds NOT ticks. - * - */ -#define mSEC_1 1000 -#define mSEC_10 (mSEC_1 * 10) - #define INTEGRATOR_CSR_BASE 0x10000000 #define INTEGRATOR_CSR_SIZE 0x10000000 diff --git a/arch/arm/mach-integrator/integrator_ap.c b/arch/arm/mach-integrator/integrator_ap.c index 8cdc730..f211990 100644 --- a/arch/arm/mach-integrator/integrator_ap.c +++ b/arch/arm/mach-integrator/integrator_ap.c @@ -32,6 +32,7 @@ #include <linux/interrupt.h> #include <linux/io.h> #include <linux/mtd/physmap.h> +#include <linux/clk.h> #include <video/vga.h> #include <mach/hardware.h> @@ -322,27 +323,16 @@ static void __init ap_init(void) #define TIMER1_VA_BASE IO_ADDRESS(INTEGRATOR_TIMER1_BASE) #define TIMER2_VA_BASE IO_ADDRESS(INTEGRATOR_TIMER2_BASE) -/* - * How long is the timer interval? - */ -#define TIMER_INTERVAL (TICKS_PER_uSEC * mSEC_10) -#if TIMER_INTERVAL >= 0x100000 -#define TICKS2USECS(x) (256 * (x) / TICKS_PER_uSEC) -#elif TIMER_INTERVAL >= 0x10000 -#define TICKS2USECS(x) (16 * (x) / TICKS_PER_uSEC) -#else -#define TICKS2USECS(x) ((x) / TICKS_PER_uSEC) -#endif - static unsigned long timer_reload; -static void integrator_clocksource_init(u32 khz) +static void integrator_clocksource_init(unsigned long inrate) { void __iomem *base = (void __iomem *)TIMER2_VA_BASE; u32 ctrl = TIMER_CTRL_ENABLE | TIMER_CTRL_PERIODIC; + unsigned long rate = inrate; - if (khz >= 1500) { - khz /= 16; + if (rate >= 1500000) { + rate /= 16; ctrl |= TIMER_CTRL_DIV16; } @@ -350,7 +340,7 @@ static void integrator_clocksource_init(u32 khz) writel(ctrl, base + TIMER_CTRL); clocksource_mmio_init(base + TIMER_VALUE, "timer2", - khz * 1000, 200, 16, clocksource_mmio_readl_down); + rate, 200, 16, clocksource_mmio_readl_down); } static void __iomem * const clkevt_base = (void __iomem *)TIMER1_VA_BASE; @@ -374,15 +364,29 @@ static void clkevt_set_mode(enum clock_event_mode mode, struct clock_event_devic { u32 ctrl = readl(clkevt_base + TIMER_CTRL) & ~TIMER_CTRL_ENABLE; - BUG_ON(mode == CLOCK_EVT_MODE_ONESHOT); + /* Disable timer */ + writel(ctrl, clkevt_base + TIMER_CTRL); - if (mode == CLOCK_EVT_MODE_PERIODIC) { - writel(ctrl, clkevt_base + TIMER_CTRL); + switch (mode) { + case CLOCK_EVT_MODE_PERIODIC: + /* Enable the timer and start the periodic tick */ writel(timer_reload, clkevt_base + TIMER_LOAD); ctrl |= TIMER_CTRL_PERIODIC | TIMER_CTRL_ENABLE; + writel(ctrl, clkevt_base + TIMER_CTRL); + break; + case CLOCK_EVT_MODE_ONESHOT: + /* Leave the timer disabled, .set_next_event will enable it */ + ctrl &= ~TIMER_CTRL_PERIODIC; + writel(ctrl, clkevt_base + TIMER_CTRL); + break; + case CLOCK_EVT_MODE_UNUSED: + case CLOCK_EVT_MODE_SHUTDOWN: + case CLOCK_EVT_MODE_RESUME: + default: + /* Just leave in disabled state */ + break; } - writel(ctrl, clkevt_base + TIMER_CTRL); } static int clkevt_set_next_event(unsigned long next, struct clock_event_device *evt) @@ -398,12 +402,10 @@ static int clkevt_set_next_event(unsigned long next, struct clock_event_device * static struct clock_event_device integrator_clockevent = { .name = "timer1", - .shift = 34, - .features = CLOCK_EVT_FEAT_PERIODIC, + .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, .set_mode = clkevt_set_mode, .set_next_event = clkevt_set_next_event, .rating = 300, - .cpumask = cpu_all_mask, }; static struct irqaction integrator_timer_irq = { @@ -413,29 +415,27 @@ static struct irqaction integrator_timer_irq = { .dev_id = &integrator_clockevent, }; -static void integrator_clockevent_init(u32 khz) +static void integrator_clockevent_init(unsigned long inrate) { - struct clock_event_device *evt = &integrator_clockevent; + unsigned long rate = inrate; unsigned int ctrl = 0; - if (khz * 1000 > 0x100000 * HZ) { - khz /= 256; + /* Calculate and program a divisor */ + if (rate > 0x100000 * HZ) { + rate /= 256; ctrl |= TIMER_CTRL_DIV256; - } else if (khz * 1000 > 0x10000 * HZ) { - khz /= 16; + } else if (rate > 0x10000 * HZ) { + rate /= 16; ctrl |= TIMER_CTRL_DIV16; } - - timer_reload = khz * 1000 / HZ; + timer_reload = rate / HZ; writel(ctrl, clkevt_base + TIMER_CTRL); - evt->irq = IRQ_TIMERINT1; - evt->mult = div_sc(khz, NSEC_PER_MSEC, evt->shift); - evt->max_delta_ns = clockevent_delta2ns(0xffff, evt); - evt->min_delta_ns = clockevent_delta2ns(0xf, evt); - setup_irq(IRQ_TIMERINT1, &integrator_timer_irq); - clockevents_register_device(evt); + clockevents_config_and_register(&integrator_clockevent, + rate, + 1, + 0xffffU); } /* @@ -443,14 +443,20 @@ static void integrator_clockevent_init(u32 khz) */ static void __init ap_init_timer(void) { - u32 khz = TICKS_PER_uSEC * 1000; + struct clk *clk; + unsigned long rate; + + clk = clk_get_sys("ap_timer", NULL); + BUG_ON(IS_ERR(clk)); + clk_enable(clk); + rate = clk_get_rate(clk); writel(0, TIMER0_VA_BASE + TIMER_CTRL); writel(0, TIMER1_VA_BASE + TIMER_CTRL); writel(0, TIMER2_VA_BASE + TIMER_CTRL); - integrator_clocksource_init(khz); - integrator_clockevent_init(khz); + integrator_clocksource_init(rate); + integrator_clockevent_init(rate); } static struct sys_timer ap_timer = { diff --git a/arch/arm/mach-iop13xx/Makefile.boot b/arch/arm/mach-iop13xx/Makefile.boot index 0b0e19f..3a8c38c 100644 --- a/arch/arm/mach-iop13xx/Makefile.boot +++ b/arch/arm/mach-iop13xx/Makefile.boot @@ -1,3 +1,3 @@ - zreladdr-y := 0x00008000 + zreladdr-y += 0x00008000 params_phys-y := 0x00000100 initrd_phys-y := 0x00800000 diff --git a/arch/arm/mach-iop32x/Makefile.boot b/arch/arm/mach-iop32x/Makefile.boot index 47000dc..0a833b1 100644 --- a/arch/arm/mach-iop32x/Makefile.boot +++ b/arch/arm/mach-iop32x/Makefile.boot @@ -1,3 +1,3 @@ - zreladdr-y := 0xa0008000 + zreladdr-y += 0xa0008000 params_phys-y := 0xa0000100 initrd_phys-y := 0xa0800000 diff --git a/arch/arm/mach-iop33x/Makefile.boot b/arch/arm/mach-iop33x/Makefile.boot index 67039c3..760a0ef 100644 --- a/arch/arm/mach-iop33x/Makefile.boot +++ b/arch/arm/mach-iop33x/Makefile.boot @@ -1,3 +1,3 @@ - zreladdr-y := 0x00008000 + zreladdr-y += 0x00008000 params_phys-y := 0x00000100 initrd_phys-y := 0x00800000 diff --git a/arch/arm/mach-ixp2000/Makefile.boot b/arch/arm/mach-ixp2000/Makefile.boot index d84c580..9c7af91 100644 --- a/arch/arm/mach-ixp2000/Makefile.boot +++ b/arch/arm/mach-ixp2000/Makefile.boot @@ -1,3 +1,3 @@ - zreladdr-y := 0x00008000 + zreladdr-y += 0x00008000 params_phys-y := 0x00000100 diff --git a/arch/arm/mach-ixp23xx/Makefile.boot b/arch/arm/mach-ixp23xx/Makefile.boot index d5561ad..44fb4a71 100644 --- a/arch/arm/mach-ixp23xx/Makefile.boot +++ b/arch/arm/mach-ixp23xx/Makefile.boot @@ -1,2 +1,2 @@ - zreladdr-y := 0x00008000 + zreladdr-y += 0x00008000 params_phys-y := 0x00000100 diff --git a/arch/arm/mach-ixp4xx/Makefile.boot b/arch/arm/mach-ixp4xx/Makefile.boot index d84c580..9c7af91 100644 --- a/arch/arm/mach-ixp4xx/Makefile.boot +++ b/arch/arm/mach-ixp4xx/Makefile.boot @@ -1,3 +1,3 @@ - zreladdr-y := 0x00008000 + zreladdr-y += 0x00008000 params_phys-y := 0x00000100 diff --git a/arch/arm/mach-ixp4xx/common-pci.c b/arch/arm/mach-ixp4xx/common-pci.c index 2131832..85245e4 100644 --- a/arch/arm/mach-ixp4xx/common-pci.c +++ b/arch/arm/mach-ixp4xx/common-pci.c @@ -397,7 +397,8 @@ void __init ixp4xx_pci_preinit(void) local_write_config(PCI_BASE_ADDRESS_0, 4, PHYS_OFFSET); local_write_config(PCI_BASE_ADDRESS_1, 4, PHYS_OFFSET + SZ_16M); local_write_config(PCI_BASE_ADDRESS_2, 4, PHYS_OFFSET + SZ_32M); - local_write_config(PCI_BASE_ADDRESS_3, 4, PHYS_OFFSET + SZ_48M); + local_write_config(PCI_BASE_ADDRESS_3, 4, + PHYS_OFFSET + SZ_32M + SZ_16M); /* * Enable CSR window at 64 MiB to allow PCI masters diff --git a/arch/arm/mach-ixp4xx/include/mach/io.h b/arch/arm/mach-ixp4xx/include/mach/io.h index 57b5410..ffb9d6a 100644 --- a/arch/arm/mach-ixp4xx/include/mach/io.h +++ b/arch/arm/mach-ixp4xx/include/mach/io.h @@ -17,8 +17,6 @@ #include <mach/hardware.h> -#define IO_SPACE_LIMIT 0x0000ffff - extern int (*ixp4xx_pci_read)(u32 addr, u32 cmd, u32* data); extern int ixp4xx_pci_write(u32 addr, u32 cmd, u32 data); diff --git a/arch/arm/mach-kirkwood/Makefile.boot b/arch/arm/mach-kirkwood/Makefile.boot index 67039c3..760a0ef 100644 --- a/arch/arm/mach-kirkwood/Makefile.boot +++ b/arch/arm/mach-kirkwood/Makefile.boot @@ -1,3 +1,3 @@ - zreladdr-y := 0x00008000 + zreladdr-y += 0x00008000 params_phys-y := 0x00000100 initrd_phys-y := 0x00800000 diff --git a/arch/arm/mach-ks8695/Makefile.boot b/arch/arm/mach-ks8695/Makefile.boot index 48eb2cb..c9b0beb 100644 --- a/arch/arm/mach-ks8695/Makefile.boot +++ b/arch/arm/mach-ks8695/Makefile.boot @@ -3,6 +3,6 @@ # PARAMS_PHYS must be within 4MB of ZRELADDR # INITRD_PHYS must be in RAM - zreladdr-y := 0x00008000 + zreladdr-y += 0x00008000 params_phys-y := 0x00000100 initrd_phys-y := 0x00800000 diff --git a/arch/arm/mach-lpc32xx/Makefile.boot b/arch/arm/mach-lpc32xx/Makefile.boot index b796b41..2cfe0ee 100644 --- a/arch/arm/mach-lpc32xx/Makefile.boot +++ b/arch/arm/mach-lpc32xx/Makefile.boot @@ -1,4 +1,4 @@ - zreladdr-y := 0x80008000 + zreladdr-y += 0x80008000 params_phys-y := 0x80000100 initrd_phys-y := 0x82000000 diff --git a/arch/arm/mach-mmp/Makefile.boot b/arch/arm/mach-mmp/Makefile.boot index 574a4aa..5edf03e 100644 --- a/arch/arm/mach-mmp/Makefile.boot +++ b/arch/arm/mach-mmp/Makefile.boot @@ -1 +1 @@ - zreladdr-y := 0x00008000 + zreladdr-y += 0x00008000 diff --git a/arch/arm/mach-mmp/aspenite.c b/arch/arm/mach-mmp/aspenite.c index 06b5fa8..49c5d6d 100644 --- a/arch/arm/mach-mmp/aspenite.c +++ b/arch/arm/mach-mmp/aspenite.c @@ -160,7 +160,7 @@ static struct mtd_partition aspenite_nand_partitions[] = { }, { .name = "filesystem", .offset = MTDPART_OFS_APPEND, - .size = SZ_48M, + .size = SZ_32M + SZ_16M, .mask_flags = 0, } }; diff --git a/arch/arm/mach-mmp/ttc_dkb.c b/arch/arm/mach-mmp/ttc_dkb.c index 6bd37a2..176515a 100644 --- a/arch/arm/mach-mmp/ttc_dkb.c +++ b/arch/arm/mach-mmp/ttc_dkb.c @@ -93,7 +93,7 @@ static struct mtd_partition ttc_dkb_onenand_partitions[] = { }, { .name = "filesystem", .offset = MTDPART_OFS_APPEND, - .size = SZ_48M, + .size = SZ_32M + SZ_16M, .mask_flags = 0, } }; diff --git a/arch/arm/mach-msm/Makefile.boot b/arch/arm/mach-msm/Makefile.boot index 24dfbf8..9b803a5 100644 --- a/arch/arm/mach-msm/Makefile.boot +++ b/arch/arm/mach-msm/Makefile.boot @@ -1,3 +1,3 @@ - zreladdr-y := 0x10008000 + zreladdr-y += 0x10008000 params_phys-y := 0x10000100 initrd_phys-y := 0x10800000 diff --git a/arch/arm/mach-msm/board-halibut.c b/arch/arm/mach-msm/board-halibut.c index 18a3c97..f81ef1f 100644 --- a/arch/arm/mach-msm/board-halibut.c +++ b/arch/arm/mach-msm/board-halibut.c @@ -78,8 +78,8 @@ static void __init halibut_init(void) platform_add_devices(devices, ARRAY_SIZE(devices)); } -static void __init halibut_fixup(struct machine_desc *desc, struct tag *tags, - char **cmdline, struct meminfo *mi) +static void __init halibut_fixup(struct tag *tags, char **cmdline, + struct meminfo *mi) { mi->nr_banks=1; mi->bank[0].start = PHYS_OFFSET; diff --git a/arch/arm/mach-msm/board-mahimahi.c b/arch/arm/mach-msm/board-mahimahi.c index 7a9a03e..1df15aa 100644 --- a/arch/arm/mach-msm/board-mahimahi.c +++ b/arch/arm/mach-msm/board-mahimahi.c @@ -53,8 +53,8 @@ static void __init mahimahi_init(void) platform_add_devices(devices, ARRAY_SIZE(devices)); } -static void __init mahimahi_fixup(struct machine_desc *desc, struct tag *tags, - char **cmdline, struct meminfo *mi) +static void __init mahimahi_fixup(struct tag *tags, char **cmdline, + struct meminfo *mi) { mi->nr_banks = 2; mi->bank[0].start = PHYS_OFFSET; diff --git a/arch/arm/mach-msm/board-msm7x30.c b/arch/arm/mach-msm/board-msm7x30.c index b7a8496..d1e4cc8 100644 --- a/arch/arm/mach-msm/board-msm7x30.c +++ b/arch/arm/mach-msm/board-msm7x30.c @@ -24,6 +24,7 @@ #include <linux/smsc911x.h> #include <linux/usb/msm_hsusb.h> #include <linux/clkdev.h> +#include <linux/memblock.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -42,6 +43,21 @@ extern struct sys_timer msm_timer; +static void __init msm7x30_fixup(struct machine_desc *desc, struct tag *tag, + char **cmdline, struct meminfo *mi) +{ + for (; tag->hdr.size; tag = tag_next(tag)) + if (tag->hdr.tag == ATAG_MEM && tag->u.mem.start == 0x200000) { + tag->u.mem.start = 0; + tag->u.mem.size += SZ_2M; + } +} + +static void __init msm7x30_reserve(void) +{ + memblock_remove(0x0, SZ_2M); +} + static int hsusb_phy_init_seq[] = { 0x30, 0x32, /* Enable and set Pre-Emphasis Depth to 20% */ 0x02, 0x36, /* Disable CDR Auto Reset feature */ @@ -107,6 +123,8 @@ static void __init msm7x30_map_io(void) MACHINE_START(MSM7X30_SURF, "QCT MSM7X30 SURF") .boot_params = PLAT_PHYS_OFFSET + 0x100, + .fixup = msm7x30_fixup, + .reserve = msm7x30_reserve, .map_io = msm7x30_map_io, .init_irq = msm7x30_init_irq, .init_machine = msm7x30_init, @@ -115,6 +133,8 @@ MACHINE_END MACHINE_START(MSM7X30_FFA, "QCT MSM7X30 FFA") .boot_params = PLAT_PHYS_OFFSET + 0x100, + .fixup = msm7x30_fixup, + .reserve = msm7x30_reserve, .map_io = msm7x30_map_io, .init_irq = msm7x30_init_irq, .init_machine = msm7x30_init, @@ -123,6 +143,8 @@ MACHINE_END MACHINE_START(MSM7X30_FLUID, "QCT MSM7X30 FLUID") .boot_params = PLAT_PHYS_OFFSET + 0x100, + .fixup = msm7x30_fixup, + .reserve = msm7x30_reserve, .map_io = msm7x30_map_io, .init_irq = msm7x30_init_irq, .init_machine = msm7x30_init, diff --git a/arch/arm/mach-msm/board-msm8960.c b/arch/arm/mach-msm/board-msm8960.c index 35c7cee..b04468e 100644 --- a/arch/arm/mach-msm/board-msm8960.c +++ b/arch/arm/mach-msm/board-msm8960.c @@ -20,16 +20,34 @@ #include <linux/io.h> #include <linux/irq.h> #include <linux/clkdev.h> +#include <linux/memblock.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/hardware/gic.h> +#include <asm/setup.h> #include <mach/board.h> #include <mach/msm_iomap.h> #include "devices.h" +static void __init msm8960_fixup(struct machine_desc *desc, struct tag *tag, + char **cmdline, struct meminfo *mi) +{ + for (; tag->hdr.size; tag = tag_next(tag)) + if (tag->hdr.tag == ATAG_MEM && + tag->u.mem.start == 0x40200000) { + tag->u.mem.start = 0x40000000; + tag->u.mem.size += SZ_2M; + } +} + +static void __init msm8960_reserve(void) +{ + memblock_remove(0x40000000, SZ_2M); +} + static void __init msm8960_map_io(void) { msm_map_msm8960_io(); @@ -76,6 +94,8 @@ static void __init msm8960_rumi3_init(void) } MACHINE_START(MSM8960_SIM, "QCT MSM8960 SIMULATOR") + .fixup = msm8960_fixup, + .reserve = msm8960_reserve, .map_io = msm8960_map_io, .init_irq = msm8960_init_irq, .timer = &msm_timer, @@ -83,6 +103,8 @@ MACHINE_START(MSM8960_SIM, "QCT MSM8960 SIMULATOR") MACHINE_END MACHINE_START(MSM8960_RUMI3, "QCT MSM8960 RUMI3") + .fixup = msm8960_fixup, + .reserve = msm8960_reserve, .map_io = msm8960_map_io, .init_irq = msm8960_init_irq, .timer = &msm_timer, diff --git a/arch/arm/mach-msm/board-msm8x60.c b/arch/arm/mach-msm/board-msm8x60.c index 1163b6f..9221f54 100644 --- a/arch/arm/mach-msm/board-msm8x60.c +++ b/arch/arm/mach-msm/board-msm8x60.c @@ -20,14 +20,31 @@ #include <linux/platform_device.h> #include <linux/io.h> #include <linux/irq.h> +#include <linux/memblock.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/hardware/gic.h> +#include <asm/setup.h> #include <mach/board.h> #include <mach/msm_iomap.h> +static void __init msm8x60_fixup(struct machine_desc *desc, struct tag *tag, + char **cmdline, struct meminfo *mi) +{ + for (; tag->hdr.size; tag = tag_next(tag)) + if (tag->hdr.tag == ATAG_MEM && + tag->u.mem.start == 0x40200000) { + tag->u.mem.start = 0x40000000; + tag->u.mem.size += SZ_2M; + } +} + +static void __init msm8x60_reserve(void) +{ + memblock_remove(0x40000000, SZ_2M); +} static void __init msm8x60_map_io(void) { @@ -65,6 +82,8 @@ static void __init msm8x60_init(void) } MACHINE_START(MSM8X60_RUMI3, "QCT MSM8X60 RUMI3") + .fixup = msm8x60_fixup, + .reserve = msm8x60_reserve, .map_io = msm8x60_map_io, .init_irq = msm8x60_init_irq, .init_machine = msm8x60_init, @@ -72,6 +91,8 @@ MACHINE_START(MSM8X60_RUMI3, "QCT MSM8X60 RUMI3") MACHINE_END MACHINE_START(MSM8X60_SURF, "QCT MSM8X60 SURF") + .fixup = msm8x60_fixup, + .reserve = msm8x60_reserve, .map_io = msm8x60_map_io, .init_irq = msm8x60_init_irq, .init_machine = msm8x60_init, @@ -79,6 +100,8 @@ MACHINE_START(MSM8X60_SURF, "QCT MSM8X60 SURF") MACHINE_END MACHINE_START(MSM8X60_SIM, "QCT MSM8X60 SIMULATOR") + .fixup = msm8x60_fixup, + .reserve = msm8x60_reserve, .map_io = msm8x60_map_io, .init_irq = msm8x60_init_irq, .init_machine = msm8x60_init, @@ -86,6 +109,8 @@ MACHINE_START(MSM8X60_SIM, "QCT MSM8X60 SIMULATOR") MACHINE_END MACHINE_START(MSM8X60_FFA, "QCT MSM8X60 FFA") + .fixup = msm8x60_fixup, + .reserve = msm8x60_reserve, .map_io = msm8x60_map_io, .init_irq = msm8x60_init_irq, .init_machine = msm8x60_init, diff --git a/arch/arm/mach-msm/board-sapphire.c b/arch/arm/mach-msm/board-sapphire.c index 68f930f..c6e043c 100644 --- a/arch/arm/mach-msm/board-sapphire.c +++ b/arch/arm/mach-msm/board-sapphire.c @@ -77,8 +77,8 @@ static struct map_desc sapphire_io_desc[] __initdata = { } }; -static void __init sapphire_fixup(struct machine_desc *desc, struct tag *tags, - char **cmdline, struct meminfo *mi) +static void __init sapphire_fixup(struct tag *tags, char **cmdline, + struct meminfo *mi) { int smi_sz = parse_tag_smi((const struct tag *)tags); diff --git a/arch/arm/mach-msm/board-trout.c b/arch/arm/mach-msm/board-trout.c index 8143867..7acd202 100644 --- a/arch/arm/mach-msm/board-trout.c +++ b/arch/arm/mach-msm/board-trout.c @@ -48,8 +48,8 @@ static void __init trout_init_irq(void) msm_init_irq(); } -static void __init trout_fixup(struct machine_desc *desc, struct tag *tags, - char **cmdline, struct meminfo *mi) +static void __init trout_fixup(struct tag *tags, char **cmdline, + struct meminfo *mi) { mi->nr_banks = 1; mi->bank[0].start = PHYS_OFFSET; diff --git a/arch/arm/mach-msm/include/mach/memory.h b/arch/arm/mach-msm/include/mach/memory.h index f2f8d299..58d5e7e 100644 --- a/arch/arm/mach-msm/include/mach/memory.h +++ b/arch/arm/mach-msm/include/mach/memory.h @@ -22,11 +22,11 @@ #elif defined(CONFIG_ARCH_QSD8X50) #define PLAT_PHYS_OFFSET UL(0x20000000) #elif defined(CONFIG_ARCH_MSM7X30) -#define PLAT_PHYS_OFFSET UL(0x00200000) +#define PLAT_PHYS_OFFSET UL(0x00000000) #elif defined(CONFIG_ARCH_MSM8X60) -#define PLAT_PHYS_OFFSET UL(0x40200000) +#define PLAT_PHYS_OFFSET UL(0x40000000) #elif defined(CONFIG_ARCH_MSM8960) -#define PLAT_PHYS_OFFSET UL(0x40200000) +#define PLAT_PHYS_OFFSET UL(0x40000000) #else #define PLAT_PHYS_OFFSET UL(0x10000000) #endif diff --git a/arch/arm/mach-msm/platsmp.c b/arch/arm/mach-msm/platsmp.c index 1a1af9e..7276595 100644 --- a/arch/arm/mach-msm/platsmp.c +++ b/arch/arm/mach-msm/platsmp.c @@ -156,6 +156,12 @@ void __init smp_init_cpus(void) { unsigned int i, ncores = get_core_count(); + if (ncores > nr_cpu_ids) { + pr_warn("SMP: %u cores greater than maximum (%u), clipping\n", + ncores, nr_cpu_ids); + ncores = nr_cpu_ids; + } + for (i = 0; i < ncores; i++) set_cpu_possible(i, true); diff --git a/arch/arm/mach-mv78xx0/Makefile.boot b/arch/arm/mach-mv78xx0/Makefile.boot index 67039c3..760a0ef 100644 --- a/arch/arm/mach-mv78xx0/Makefile.boot +++ b/arch/arm/mach-mv78xx0/Makefile.boot @@ -1,3 +1,3 @@ - zreladdr-y := 0x00008000 + zreladdr-y += 0x00008000 params_phys-y := 0x00000100 initrd_phys-y := 0x00800000 diff --git a/arch/arm/mach-mx5/Makefile.boot b/arch/arm/mach-mx5/Makefile.boot index e928be1..ca207ca 100644 --- a/arch/arm/mach-mx5/Makefile.boot +++ b/arch/arm/mach-mx5/Makefile.boot @@ -1,9 +1,9 @@ - zreladdr-$(CONFIG_ARCH_MX50) := 0x70008000 + zreladdr-$(CONFIG_ARCH_MX50) += 0x70008000 params_phys-$(CONFIG_ARCH_MX50) := 0x70000100 initrd_phys-$(CONFIG_ARCH_MX50) := 0x70800000 - zreladdr-$(CONFIG_ARCH_MX51) := 0x90008000 + zreladdr-$(CONFIG_ARCH_MX51) += 0x90008000 params_phys-$(CONFIG_ARCH_MX51) := 0x90000100 initrd_phys-$(CONFIG_ARCH_MX51) := 0x90800000 - zreladdr-$(CONFIG_ARCH_MX53) := 0x70008000 + zreladdr-$(CONFIG_ARCH_MX53) += 0x70008000 params_phys-$(CONFIG_ARCH_MX53) := 0x70000100 initrd_phys-$(CONFIG_ARCH_MX53) := 0x70800000 diff --git a/arch/arm/mach-mxs/Makefile.boot b/arch/arm/mach-mxs/Makefile.boot index eb541e0..07b11fe 100644 --- a/arch/arm/mach-mxs/Makefile.boot +++ b/arch/arm/mach-mxs/Makefile.boot @@ -1 +1 @@ -zreladdr-y := 0x40008000 +zreladdr-y += 0x40008000 diff --git a/arch/arm/mach-netx/Makefile.boot b/arch/arm/mach-netx/Makefile.boot index b81cf6a..534a4d2 100644 --- a/arch/arm/mach-netx/Makefile.boot +++ b/arch/arm/mach-netx/Makefile.boot @@ -1,2 +1,2 @@ - zreladdr-y := 0x80008000 + zreladdr-y += 0x80008000 diff --git a/arch/arm/mach-nomadik/Makefile.boot b/arch/arm/mach-nomadik/Makefile.boot index c7e75ac..ff0a4b5 100644 --- a/arch/arm/mach-nomadik/Makefile.boot +++ b/arch/arm/mach-nomadik/Makefile.boot @@ -1,4 +1,4 @@ - zreladdr-y := 0x00008000 + zreladdr-y += 0x00008000 params_phys-y := 0x00000100 initrd_phys-y := 0x00800000 diff --git a/arch/arm/mach-nuc93x/Makefile.boot b/arch/arm/mach-nuc93x/Makefile.boot index a057b54..6c3d421 100644 --- a/arch/arm/mach-nuc93x/Makefile.boot +++ b/arch/arm/mach-nuc93x/Makefile.boot @@ -1,3 +1,3 @@ -zreladdr-y := 0x00008000 +zreladdr-y += 0x00008000 params_phys-y := 0x00000100 diff --git a/arch/arm/mach-omap1/Makefile.boot b/arch/arm/mach-omap1/Makefile.boot index 292d56c..13bda8d 100644 --- a/arch/arm/mach-omap1/Makefile.boot +++ b/arch/arm/mach-omap1/Makefile.boot @@ -1,3 +1,3 @@ - zreladdr-y := 0x10008000 + zreladdr-y += 0x10008000 params_phys-y := 0x10000100 initrd_phys-y := 0x10800000 diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index 57b66d5..89bfb49 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -36,6 +36,7 @@ config ARCH_OMAP3 select ARM_L1_CACHE_SHIFT_6 if !ARCH_OMAP4 select ARCH_HAS_OPP select PM_OPP if PM + select ARM_CPU_SUSPEND if PM config ARCH_OMAP4 bool "TI OMAP4" @@ -50,6 +51,7 @@ config ARCH_OMAP4 select ARCH_HAS_OPP select PM_OPP if PM select USB_ARCH_HAS_EHCI + select ARM_CPU_SUSPEND if PM comment "OMAP Core Type" depends on ARCH_OMAP2 diff --git a/arch/arm/mach-omap2/Makefile.boot b/arch/arm/mach-omap2/Makefile.boot index 565aff7..b03e562 100644 --- a/arch/arm/mach-omap2/Makefile.boot +++ b/arch/arm/mach-omap2/Makefile.boot @@ -1,3 +1,3 @@ - zreladdr-y := 0x80008000 + zreladdr-y += 0x80008000 params_phys-y := 0x80000100 initrd_phys-y := 0x80800000 diff --git a/arch/arm/mach-omap2/omap-smp.c b/arch/arm/mach-omap2/omap-smp.c index ce65e93..889464d 100644 --- a/arch/arm/mach-omap2/omap-smp.c +++ b/arch/arm/mach-omap2/omap-smp.c @@ -109,12 +109,10 @@ void __init smp_init_cpus(void) ncores = scu_get_core_count(scu_base); /* sanity check */ - if (ncores > NR_CPUS) { - printk(KERN_WARNING - "OMAP4: no. of cores (%d) greater than configured " - "maximum of %d - clipping\n", - ncores, NR_CPUS); - ncores = NR_CPUS; + if (ncores > nr_cpu_ids) { + pr_warn("SMP: %u cores greater than maximum (%u), clipping\n", + ncores, nr_cpu_ids); + ncores = nr_cpu_ids; } for (i = 0; i < ncores; i++) diff --git a/arch/arm/mach-orion5x/Makefile.boot b/arch/arm/mach-orion5x/Makefile.boot index 67039c3..760a0ef 100644 --- a/arch/arm/mach-orion5x/Makefile.boot +++ b/arch/arm/mach-orion5x/Makefile.boot @@ -1,3 +1,3 @@ - zreladdr-y := 0x00008000 + zreladdr-y += 0x00008000 params_phys-y := 0x00000100 initrd_phys-y := 0x00800000 diff --git a/arch/arm/mach-orion5x/common.c b/arch/arm/mach-orion5x/common.c index 0ab531d..22ace0b 100644 --- a/arch/arm/mach-orion5x/common.c +++ b/arch/arm/mach-orion5x/common.c @@ -308,8 +308,8 @@ void __init orion5x_init(void) * Many orion-based systems have buggy bootloader implementations. * This is a common fixup for bogus memory tags. */ -void __init tag_fixup_mem32(struct machine_desc *mdesc, struct tag *t, - char **from, struct meminfo *meminfo) +void __init tag_fixup_mem32(struct tag *t, char **from, + struct meminfo *meminfo) { for (; t->hdr.size; t = tag_next(t)) if (t->hdr.tag == ATAG_MEM && diff --git a/arch/arm/mach-orion5x/common.h b/arch/arm/mach-orion5x/common.h index 3e5499d..909489f 100644 --- a/arch/arm/mach-orion5x/common.h +++ b/arch/arm/mach-orion5x/common.h @@ -53,11 +53,9 @@ int orion5x_pci_sys_setup(int nr, struct pci_sys_data *sys); struct pci_bus *orion5x_pci_sys_scan_bus(int nr, struct pci_sys_data *sys); int orion5x_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin); -struct machine_desc; struct meminfo; struct tag; -extern void __init tag_fixup_mem32(struct machine_desc *, struct tag *, - char **, struct meminfo *); +extern void __init tag_fixup_mem32(struct tag *, char **, struct meminfo *); #endif diff --git a/arch/arm/mach-pnx4008/Makefile.boot b/arch/arm/mach-pnx4008/Makefile.boot index 44c7117..9fa19ba 100644 --- a/arch/arm/mach-pnx4008/Makefile.boot +++ b/arch/arm/mach-pnx4008/Makefile.boot @@ -1,4 +1,4 @@ - zreladdr-y := 0x80008000 + zreladdr-y += 0x80008000 params_phys-y := 0x80000100 initrd_phys-y := 0x80800000 diff --git a/arch/arm/mach-prima2/Makefile.boot b/arch/arm/mach-prima2/Makefile.boot index d023db3..c77a488 100644 --- a/arch/arm/mach-prima2/Makefile.boot +++ b/arch/arm/mach-prima2/Makefile.boot @@ -1,3 +1,3 @@ -zreladdr-y := 0x00008000 +zreladdr-y += 0x00008000 params_phys-y := 0x00000100 initrd_phys-y := 0x00800000 diff --git a/arch/arm/mach-pxa/Makefile.boot b/arch/arm/mach-pxa/Makefile.boot index 1ead671..2c1ae92 100644 --- a/arch/arm/mach-pxa/Makefile.boot +++ b/arch/arm/mach-pxa/Makefile.boot @@ -1,2 +1,2 @@ - zreladdr-y := 0xa0008000 + zreladdr-y += 0xa0008000 diff --git a/arch/arm/mach-pxa/cm-x300.c b/arch/arm/mach-pxa/cm-x300.c index b6a5134..d940e8a 100644 --- a/arch/arm/mach-pxa/cm-x300.c +++ b/arch/arm/mach-pxa/cm-x300.c @@ -839,8 +839,8 @@ static void __init cm_x300_init(void) cm_x300_init_bl(); } -static void __init cm_x300_fixup(struct machine_desc *mdesc, struct tag *tags, - char **cmdline, struct meminfo *mi) +static void __init cm_x300_fixup(struct tag *tags, char **cmdline, + struct meminfo *mi) { /* Make sure that mi->bank[0].start = PHYS_ADDR */ for (; tags->hdr.size; tags = tag_next(tags)) diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c index 185a37c..3e9483b 100644 --- a/arch/arm/mach-pxa/corgi.c +++ b/arch/arm/mach-pxa/corgi.c @@ -705,8 +705,8 @@ static void __init corgi_init(void) platform_add_devices(devices, ARRAY_SIZE(devices)); } -static void __init fixup_corgi(struct machine_desc *desc, - struct tag *tags, char **cmdline, struct meminfo *mi) +static void __init fixup_corgi(struct tag *tags, char **cmdline, + struct meminfo *mi) { sharpsl_save_param(); mi->nr_banks=1; diff --git a/arch/arm/mach-pxa/eseries.c b/arch/arm/mach-pxa/eseries.c index b4599ec..e4a1f4d 100644 --- a/arch/arm/mach-pxa/eseries.c +++ b/arch/arm/mach-pxa/eseries.c @@ -41,8 +41,7 @@ #include "clock.h" /* Only e800 has 128MB RAM */ -void __init eseries_fixup(struct machine_desc *desc, - struct tag *tags, char **cmdline, struct meminfo *mi) +void __init eseries_fixup(struct tag *tags, char **cmdline, struct meminfo *mi) { mi->nr_banks=1; mi->bank[0].start = 0xa0000000; diff --git a/arch/arm/mach-pxa/eseries.h b/arch/arm/mach-pxa/eseries.h index 5930f5e..be92196 100644 --- a/arch/arm/mach-pxa/eseries.h +++ b/arch/arm/mach-pxa/eseries.h @@ -1,5 +1,4 @@ -void __init eseries_fixup(struct machine_desc *desc, - struct tag *tags, char **cmdline, struct meminfo *mi); +void __init eseries_fixup(struct tag *tags, char **cmdline, struct meminfo *mi); extern struct pxa2xx_udc_mach_info e7xx_udc_mach_info; extern struct pxaficp_platform_data e7xx_ficp_platform_data; diff --git a/arch/arm/mach-pxa/irq.c b/arch/arm/mach-pxa/irq.c index b09e848..ca60757 100644 --- a/arch/arm/mach-pxa/irq.c +++ b/arch/arm/mach-pxa/irq.c @@ -19,6 +19,8 @@ #include <linux/io.h> #include <linux/irq.h> +#include <asm/exception.h> + #include <mach/hardware.h> #include <mach/irqs.h> #include <mach/gpio.h> diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c index a113ea9..948ce3e 100644 --- a/arch/arm/mach-pxa/poodle.c +++ b/arch/arm/mach-pxa/poodle.c @@ -454,8 +454,8 @@ static void __init poodle_init(void) poodle_init_spi(); } -static void __init fixup_poodle(struct machine_desc *desc, - struct tag *tags, char **cmdline, struct meminfo *mi) +static void __init fixup_poodle(struct tag *tags, char **cmdline, + struct meminfo *mi) { sharpsl_save_param(); mi->nr_banks=1; diff --git a/arch/arm/mach-pxa/saar.c b/arch/arm/mach-pxa/saar.c index df4356e..72001ec 100644 --- a/arch/arm/mach-pxa/saar.c +++ b/arch/arm/mach-pxa/saar.c @@ -540,7 +540,7 @@ static struct mtd_partition saar_onenand_partitions[] = { }, { .name = "filesystem", .offset = MTDPART_OFS_APPEND, - .size = SZ_48M, + .size = SZ_32M + SZ_16M, .mask_flags = 0, } }; diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c index 438c7b5..d8dec91 100644 --- a/arch/arm/mach-pxa/spitz.c +++ b/arch/arm/mach-pxa/spitz.c @@ -970,8 +970,8 @@ static void __init spitz_init(void) spitz_i2c_init(); } -static void __init spitz_fixup(struct machine_desc *desc, - struct tag *tags, char **cmdline, struct meminfo *mi) +static void __init spitz_fixup(struct tag *tags, char **cmdline, + struct meminfo *mi) { sharpsl_save_param(); mi->nr_banks = 1; diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c index 9f69a26..402b0c9 100644 --- a/arch/arm/mach-pxa/tosa.c +++ b/arch/arm/mach-pxa/tosa.c @@ -960,8 +960,8 @@ static void __init tosa_init(void) platform_add_devices(devices, ARRAY_SIZE(devices)); } -static void __init fixup_tosa(struct machine_desc *desc, - struct tag *tags, char **cmdline, struct meminfo *mi) +static void __init fixup_tosa(struct tag *tags, char **cmdline, + struct meminfo *mi) { sharpsl_save_param(); mi->nr_banks=1; diff --git a/arch/arm/mach-realview/Makefile.boot b/arch/arm/mach-realview/Makefile.boot index d97e003..d2c3d78 100644 --- a/arch/arm/mach-realview/Makefile.boot +++ b/arch/arm/mach-realview/Makefile.boot @@ -1,9 +1,9 @@ ifeq ($(CONFIG_REALVIEW_HIGH_PHYS_OFFSET),y) - zreladdr-y := 0x70008000 + zreladdr-y += 0x70008000 params_phys-y := 0x70000100 initrd_phys-y := 0x70800000 else - zreladdr-y := 0x00008000 + zreladdr-y += 0x00008000 params_phys-y := 0x00000100 initrd_phys-y := 0x00800000 endif diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c index 5c23450..d5ed5d4 100644 --- a/arch/arm/mach-realview/core.c +++ b/arch/arm/mach-realview/core.c @@ -517,8 +517,7 @@ void __init realview_timer_init(unsigned int timer_irq) /* * Setup the memory banks. */ -void realview_fixup(struct machine_desc *mdesc, struct tag *tags, char **from, - struct meminfo *meminfo) +void realview_fixup(struct tag *tags, char **from, struct meminfo *meminfo) { /* * Most RealView platforms have 512MB contiguous RAM at 0x70000000. diff --git a/arch/arm/mach-realview/core.h b/arch/arm/mach-realview/core.h index 5c83d1e..47259c8 100644 --- a/arch/arm/mach-realview/core.h +++ b/arch/arm/mach-realview/core.h @@ -63,8 +63,8 @@ extern int realview_flash_register(struct resource *res, u32 num); extern int realview_eth_register(const char *name, struct resource *res); extern int realview_usb_register(struct resource *res); extern void realview_init_early(void); -extern void realview_fixup(struct machine_desc *mdesc, struct tag *tags, - char **from, struct meminfo *meminfo); +extern void realview_fixup(struct tag *tags, char **from, + struct meminfo *meminfo); extern void (*realview_reset)(char); #endif diff --git a/arch/arm/mach-realview/include/mach/board-pb1176.h b/arch/arm/mach-realview/include/mach/board-pb1176.h index 002ab5d..2a15fef 100644 --- a/arch/arm/mach-realview/include/mach/board-pb1176.h +++ b/arch/arm/mach-realview/include/mach/board-pb1176.h @@ -70,6 +70,7 @@ #define REALVIEW_DC1176_GIC_CPU_BASE 0x10120000 /* GIC CPU interface, on devchip */ #define REALVIEW_DC1176_GIC_DIST_BASE 0x10121000 /* GIC distributor, on devchip */ +#define REALVIEW_DC1176_ROM_BASE 0x10200000 /* 16KiB NRAM preudo-ROM, on devchip */ #define REALVIEW_PB1176_GIC_CPU_BASE 0x10040000 /* GIC CPU interface, on FPGA */ #define REALVIEW_PB1176_GIC_DIST_BASE 0x10041000 /* GIC distributor, on FPGA */ #define REALVIEW_PB1176_L220_BASE 0x10110000 /* L220 registers */ diff --git a/arch/arm/mach-realview/platsmp.c b/arch/arm/mach-realview/platsmp.c index 4ae943b..e83c654 100644 --- a/arch/arm/mach-realview/platsmp.c +++ b/arch/arm/mach-realview/platsmp.c @@ -52,12 +52,10 @@ void __init smp_init_cpus(void) ncores = scu_base ? scu_get_core_count(scu_base) : 1; /* sanity check */ - if (ncores > NR_CPUS) { - printk(KERN_WARNING - "Realview: no. of cores (%d) greater than configured " - "maximum of %d - clipping\n", - ncores, NR_CPUS); - ncores = NR_CPUS; + if (ncores > nr_cpu_ids) { + pr_warn("SMP: %u cores greater than maximum (%u), clipping\n", + ncores, nr_cpu_ids); + ncores = nr_cpu_ids; } for (i = 0; i < ncores; i++) diff --git a/arch/arm/mach-realview/realview_pb1176.c b/arch/arm/mach-realview/realview_pb1176.c index ad5671a..865d440 100644 --- a/arch/arm/mach-realview/realview_pb1176.c +++ b/arch/arm/mach-realview/realview_pb1176.c @@ -26,6 +26,8 @@ #include <linux/amba/pl061.h> #include <linux/amba/mmci.h> #include <linux/amba/pl022.h> +#include <linux/mtd/physmap.h> +#include <linux/mtd/partitions.h> #include <linux/io.h> #include <mach/hardware.h> @@ -204,22 +206,48 @@ static struct amba_device *amba_devs[] __initdata = { * RealView PB1176 platform devices */ static struct resource realview_pb1176_flash_resources[] = { - [0] = { + { .start = REALVIEW_PB1176_FLASH_BASE, .end = REALVIEW_PB1176_FLASH_BASE + REALVIEW_PB1176_FLASH_SIZE - 1, .flags = IORESOURCE_MEM, }, - [1] = { +#ifdef CONFIG_REALVIEW_PB1176_SECURE_FLASH + { .start = REALVIEW_PB1176_SEC_FLASH_BASE, .end = REALVIEW_PB1176_SEC_FLASH_BASE + REALVIEW_PB1176_SEC_FLASH_SIZE - 1, .flags = IORESOURCE_MEM, }, -}; -#ifdef CONFIG_REALVIEW_PB1176_SECURE_FLASH -#define PB1176_FLASH_BLOCKS 2 -#else -#define PB1176_FLASH_BLOCKS 1 #endif +}; + +static struct physmap_flash_data pb1176_rom_pdata = { + .probe_type = "map_rom", + .width = 4, + .nr_parts = 0, +}; + +static struct resource pb1176_rom_resources[] = { + /* + * This exposes the PB1176 DevChip ROM as an MTD ROM mapping. + * The reference manual states that this is actually a pseudo-ROM + * programmed in NVRAM. + */ + { + .start = REALVIEW_DC1176_ROM_BASE, + .end = REALVIEW_DC1176_ROM_BASE + SZ_16K - 1, + .flags = IORESOURCE_MEM, + } +}; + +static struct platform_device pb1176_rom_device = { + .name = "physmap-flash", + .id = -1, + .num_resources = ARRAY_SIZE(pb1176_rom_resources), + .resource = pb1176_rom_resources, + .dev = { + .platform_data = &pb1176_rom_pdata, + }, +}; static struct resource realview_pb1176_smsc911x_resources[] = { [0] = { @@ -316,8 +344,7 @@ static void realview_pb1176_reset(char mode) __raw_writel(REALVIEW_PB1176_SYS_SOFT_RESET, reset_ctrl); } -static void realview_pb1176_fixup(struct machine_desc *mdesc, - struct tag *tags, char **from, +static void realview_pb1176_fixup(struct tag *tags, char **from, struct meminfo *meminfo) { /* @@ -338,7 +365,8 @@ static void __init realview_pb1176_init(void) #endif realview_flash_register(realview_pb1176_flash_resources, - PB1176_FLASH_BLOCKS); + ARRAY_SIZE(realview_pb1176_flash_resources)); + platform_device_register(&pb1176_rom_device); realview_eth_register(NULL, realview_pb1176_smsc911x_resources); platform_device_register(&realview_i2c_device); realview_usb_register(realview_pb1176_isp1761_resources); diff --git a/arch/arm/mach-realview/realview_pbx.c b/arch/arm/mach-realview/realview_pbx.c index 363b0ab..3e1eb2e 100644 --- a/arch/arm/mach-realview/realview_pbx.c +++ b/arch/arm/mach-realview/realview_pbx.c @@ -319,8 +319,8 @@ static struct sys_timer realview_pbx_timer = { .init = realview_pbx_timer_init, }; -static void realview_pbx_fixup(struct machine_desc *mdesc, struct tag *tags, - char **from, struct meminfo *meminfo) +static void realview_pbx_fixup(struct tag *tags, char **from, + struct meminfo *meminfo) { #ifdef CONFIG_SPARSEMEM /* @@ -335,7 +335,7 @@ static void realview_pbx_fixup(struct machine_desc *mdesc, struct tag *tags, meminfo->bank[2].size = SZ_256M; meminfo->nr_banks = 3; #else - realview_fixup(mdesc, tags, from, meminfo); + realview_fixup(tags, from, meminfo); #endif } diff --git a/arch/arm/mach-rpc/Makefile.boot b/arch/arm/mach-rpc/Makefile.boot index 9c9e7685..ae2df0d 100644 --- a/arch/arm/mach-rpc/Makefile.boot +++ b/arch/arm/mach-rpc/Makefile.boot @@ -1,4 +1,4 @@ - zreladdr-y := 0x10008000 + zreladdr-y += 0x10008000 params_phys-y := 0x10000100 initrd_phys-y := 0x18000000 diff --git a/arch/arm/mach-rpc/include/mach/hardware.h b/arch/arm/mach-rpc/include/mach/hardware.h index dde6b3c..050d63c 100644 --- a/arch/arm/mach-rpc/include/mach/hardware.h +++ b/arch/arm/mach-rpc/include/mach/hardware.h @@ -36,7 +36,7 @@ #define EASI_SIZE 0x08000000 /* EASI I/O */ #define EASI_START 0x08000000 -#define EASI_BASE 0xe5000000 +#define EASI_BASE IOMEM(0xe5000000) #define IO_START 0x03000000 /* I/O */ #define IO_SIZE 0x01000000 @@ -51,21 +51,20 @@ /* * IO Addresses */ -#define VIDC_BASE IOMEM(0xe0400000) -#define EXPMASK_BASE 0xe0360000 -#define IOMD_BASE IOMEM(0xe0200000) -#define IOC_BASE IOMEM(0xe0200000) -#define PCIO_BASE IOMEM(0xe0010000) -#define FLOPPYDMA_BASE IOMEM(0xe002a000) +#define ECARD_EASI_BASE (EASI_BASE) +#define VIDC_BASE (IO_BASE + 0x00400000) +#define EXPMASK_BASE (IO_BASE + 0x00360000) +#define ECARD_IOC4_BASE (IO_BASE + 0x00270000) +#define ECARD_IOC_BASE (IO_BASE + 0x00240000) +#define IOMD_BASE (IO_BASE + 0x00200000) +#define IOC_BASE (IO_BASE + 0x00200000) +#define ECARD_MEMC8_BASE (IO_BASE + 0x0002b000) +#define FLOPPYDMA_BASE (IO_BASE + 0x0002a000) +#define PCIO_BASE (IO_BASE + 0x00010000) +#define ECARD_MEMC_BASE (IO_BASE + 0x00000000) #define vidc_writel(val) __raw_writel(val, VIDC_BASE) -#define IO_EC_EASI_BASE 0x81400000 -#define IO_EC_IOC4_BASE 0x8009c000 -#define IO_EC_IOC_BASE 0x80090000 -#define IO_EC_MEMC8_BASE 0x8000ac00 -#define IO_EC_MEMC_BASE 0x80000000 - #define NETSLOT_BASE 0x0302b000 #define NETSLOT_SIZE 0x00001000 diff --git a/arch/arm/mach-rpc/include/mach/io.h b/arch/arm/mach-rpc/include/mach/io.h index 20da7f4..695f4ed 100644 --- a/arch/arm/mach-rpc/include/mach/io.h +++ b/arch/arm/mach-rpc/include/mach/io.h @@ -15,195 +15,18 @@ #include <mach/hardware.h> -#define IO_SPACE_LIMIT 0xffffffff +#define IO_SPACE_LIMIT 0xffff /* - * We use two different types of addressing - PC style addresses, and ARM - * addresses. PC style accesses the PC hardware with the normal PC IO - * addresses, eg 0x3f8 for serial#1. ARM addresses are 0x80000000+ - * and are translated to the start of IO. Note that all addresses are - * shifted left! - */ -#define __PORT_PCIO(x) (!((x) & 0x80000000)) - -/* - * Dynamic IO functions. - */ -static inline void __outb (unsigned int value, unsigned int port) -{ - unsigned long temp; - __asm__ __volatile__( - "tst %2, #0x80000000\n\t" - "mov %0, %4\n\t" - "addeq %0, %0, %3\n\t" - "strb %1, [%0, %2, lsl #2] @ outb" - : "=&r" (temp) - : "r" (value), "r" (port), "Ir" (PCIO_BASE - IO_BASE), "Ir" (IO_BASE) - : "cc"); -} - -static inline void __outw (unsigned int value, unsigned int port) -{ - unsigned long temp; - __asm__ __volatile__( - "tst %2, #0x80000000\n\t" - "mov %0, %4\n\t" - "addeq %0, %0, %3\n\t" - "str %1, [%0, %2, lsl #2] @ outw" - : "=&r" (temp) - : "r" (value|value<<16), "r" (port), "Ir" (PCIO_BASE - IO_BASE), "Ir" (IO_BASE) - : "cc"); -} - -static inline void __outl (unsigned int value, unsigned int port) -{ - unsigned long temp; - __asm__ __volatile__( - "tst %2, #0x80000000\n\t" - "mov %0, %4\n\t" - "addeq %0, %0, %3\n\t" - "str %1, [%0, %2, lsl #2] @ outl" - : "=&r" (temp) - : "r" (value), "r" (port), "Ir" (PCIO_BASE - IO_BASE), "Ir" (IO_BASE) - : "cc"); -} - -#define DECLARE_DYN_IN(sz,fnsuffix,instr) \ -static inline unsigned sz __in##fnsuffix (unsigned int port) \ -{ \ - unsigned long temp, value; \ - __asm__ __volatile__( \ - "tst %2, #0x80000000\n\t" \ - "mov %0, %4\n\t" \ - "addeq %0, %0, %3\n\t" \ - "ldr" instr " %1, [%0, %2, lsl #2] @ in" #fnsuffix \ - : "=&r" (temp), "=r" (value) \ - : "r" (port), "Ir" (PCIO_BASE - IO_BASE), "Ir" (IO_BASE) \ - : "cc"); \ - return (unsigned sz)value; \ -} - -static inline void __iomem *__deprecated __ioaddr(unsigned int port) -{ - void __iomem *ret; - if (__PORT_PCIO(port)) - ret = PCIO_BASE; - else - ret = IO_BASE; - return ret + (port << 2); -} - -#define DECLARE_IO(sz,fnsuffix,instr) \ - DECLARE_DYN_IN(sz,fnsuffix,instr) - -DECLARE_IO(char,b,"b") -DECLARE_IO(short,w,"") -DECLARE_IO(int,l,"") - -#undef DECLARE_IO -#undef DECLARE_DYN_IN - -/* - * Constant address IO functions + * We need PC style IO addressing for: + * - floppy (at 0x3f2,0x3f4,0x3f5,0x3f7) + * - parport (at 0x278-0x27a, 0x27b-0x27f, 0x778-0x77a) + * - 8250 serial (only for compile) * - * These have to be macros for the 'J' constraint to work - - * +/-4096 immediate operand. + * These peripherals are found in an area of MMIO which looks very much + * like an ISA bus, but with registers at the low byte of each word. */ -#define __outbc(value,port) \ -({ \ - if (__PORT_PCIO((port))) \ - __asm__ __volatile__( \ - "strb %0, [%1, %2] @ outbc" \ - : : "r" (value), "r" (PCIO_BASE), "Jr" ((port) << 2)); \ - else \ - __asm__ __volatile__( \ - "strb %0, [%1, %2] @ outbc" \ - : : "r" (value), "r" (IO_BASE), "r" ((port) << 2)); \ -}) - -#define __inbc(port) \ -({ \ - unsigned char result; \ - if (__PORT_PCIO((port))) \ - __asm__ __volatile__( \ - "ldrb %0, [%1, %2] @ inbc" \ - : "=r" (result) : "r" (PCIO_BASE), "Jr" ((port) << 2)); \ - else \ - __asm__ __volatile__( \ - "ldrb %0, [%1, %2] @ inbc" \ - : "=r" (result) : "r" (IO_BASE), "r" ((port) << 2)); \ - result; \ -}) - -#define __outwc(value,port) \ -({ \ - unsigned long __v = value; \ - if (__PORT_PCIO((port))) \ - __asm__ __volatile__( \ - "str %0, [%1, %2] @ outwc" \ - : : "r" (__v|__v<<16), "r" (PCIO_BASE), "Jr" ((port) << 2)); \ - else \ - __asm__ __volatile__( \ - "str %0, [%1, %2] @ outwc" \ - : : "r" (__v|__v<<16), "r" (IO_BASE), "r" ((port) << 2)); \ -}) - -#define __inwc(port) \ -({ \ - unsigned short result; \ - if (__PORT_PCIO((port))) \ - __asm__ __volatile__( \ - "ldr %0, [%1, %2] @ inwc" \ - : "=r" (result) : "r" (PCIO_BASE), "Jr" ((port) << 2)); \ - else \ - __asm__ __volatile__( \ - "ldr %0, [%1, %2] @ inwc" \ - : "=r" (result) : "r" (IO_BASE), "r" ((port) << 2)); \ - result & 0xffff; \ -}) - -#define __outlc(value,port) \ -({ \ - unsigned long __v = value; \ - if (__PORT_PCIO((port))) \ - __asm__ __volatile__( \ - "str %0, [%1, %2] @ outlc" \ - : : "r" (__v), "r" (PCIO_BASE), "Jr" ((port) << 2)); \ - else \ - __asm__ __volatile__( \ - "str %0, [%1, %2] @ outlc" \ - : : "r" (__v), "r" (IO_BASE), "r" ((port) << 2)); \ -}) - -#define __inlc(port) \ -({ \ - unsigned long result; \ - if (__PORT_PCIO((port))) \ - __asm__ __volatile__( \ - "ldr %0, [%1, %2] @ inlc" \ - : "=r" (result) : "r" (PCIO_BASE), "Jr" ((port) << 2)); \ - else \ - __asm__ __volatile__( \ - "ldr %0, [%1, %2] @ inlc" \ - : "=r" (result) : "r" (IO_BASE), "r" ((port) << 2)); \ - result; \ -}) - -#define inb(p) (__builtin_constant_p((p)) ? __inbc(p) : __inb(p)) -#define inw(p) (__builtin_constant_p((p)) ? __inwc(p) : __inw(p)) -#define inl(p) (__builtin_constant_p((p)) ? __inlc(p) : __inl(p)) -#define outb(v,p) (__builtin_constant_p((p)) ? __outbc(v,p) : __outb(v,p)) -#define outw(v,p) (__builtin_constant_p((p)) ? __outwc(v,p) : __outw(v,p)) -#define outl(v,p) (__builtin_constant_p((p)) ? __outlc(v,p) : __outl(v,p)) - -/* the following macro is deprecated */ -#define ioaddr(port) ((unsigned long)__ioaddr((port))) - -#define insb(p,d,l) __raw_readsb(__ioaddr(p),d,l) -#define insw(p,d,l) __raw_readsw(__ioaddr(p),d,l) - -#define outsb(p,d,l) __raw_writesb(__ioaddr(p),d,l) -#define outsw(p,d,l) __raw_writesw(__ioaddr(p),d,l) +#define __io(a) (PCIO_BASE + ((a) << 2)) /* * 1:1 mapping for ioremapped regions. diff --git a/arch/arm/mach-rpc/riscpc.c b/arch/arm/mach-rpc/riscpc.c index 580b3c7..1e0e60d 100644 --- a/arch/arm/mach-rpc/riscpc.c +++ b/arch/arm/mach-rpc/riscpc.c @@ -74,7 +74,7 @@ static struct map_desc rpc_io_desc[] __initdata = { .length = IO_SIZE , .type = MT_DEVICE }, { /* EASI space */ - .virtual = EASI_BASE, + .virtual = (unsigned long)EASI_BASE, .pfn = __phys_to_pfn(EASI_START), .length = EASI_SIZE, .type = MT_DEVICE diff --git a/arch/arm/mach-s3c2410/Makefile.boot b/arch/arm/mach-s3c2410/Makefile.boot index 58c1dd7..4457605 100644 --- a/arch/arm/mach-s3c2410/Makefile.boot +++ b/arch/arm/mach-s3c2410/Makefile.boot @@ -1,7 +1,7 @@ ifeq ($(CONFIG_PM_H1940),y) - zreladdr-y := 0x30108000 + zreladdr-y += 0x30108000 params_phys-y := 0x30100100 else - zreladdr-y := 0x30008000 + zreladdr-y += 0x30008000 params_phys-y := 0x30000100 endif diff --git a/arch/arm/mach-s3c2410/include/mach/io.h b/arch/arm/mach-s3c2410/include/mach/io.h index 9813dbf..118749f 100644 --- a/arch/arm/mach-s3c2410/include/mach/io.h +++ b/arch/arm/mach-s3c2410/include/mach/io.h @@ -199,8 +199,6 @@ DECLARE_IO(int,l,"") #define outw(v,p) (__builtin_constant_p((p)) ? __outwc(v,p) : __outw(v,p)) #define outl(v,p) (__builtin_constant_p((p)) ? __outlc(v,p) : __outl(v,p)) #define __ioaddr(p) (__builtin_constant_p((p)) ? __ioaddr(p) : __ioaddrc(p)) -/* the following macro is deprecated */ -#define ioaddr(port) __ioaddr((port)) #define insb(p,d,l) __raw_readsb(__ioaddr(p),d,l) #define insw(p,d,l) __raw_readsw(__ioaddr(p),d,l) diff --git a/arch/arm/mach-s3c2412/mach-smdk2413.c b/arch/arm/mach-s3c2412/mach-smdk2413.c index 834cfb6..3391713 100644 --- a/arch/arm/mach-s3c2412/mach-smdk2413.c +++ b/arch/arm/mach-s3c2412/mach-smdk2413.c @@ -92,8 +92,7 @@ static struct platform_device *smdk2413_devices[] __initdata = { &s3c_device_usbgadget, }; -static void __init smdk2413_fixup(struct machine_desc *desc, - struct tag *tags, char **cmdline, +static void __init smdk2413_fixup(struct tag *tags, char **cmdline, struct meminfo *mi) { if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) { diff --git a/arch/arm/mach-s3c2412/mach-vstms.c b/arch/arm/mach-s3c2412/mach-vstms.c index 83544eb..b6ed457 100644 --- a/arch/arm/mach-s3c2412/mach-vstms.c +++ b/arch/arm/mach-s3c2412/mach-vstms.c @@ -129,9 +129,8 @@ static struct platform_device *vstms_devices[] __initdata = { &s3c_device_nand, }; -static void __init vstms_fixup(struct machine_desc *desc, - struct tag *tags, char **cmdline, - struct meminfo *mi) +static void __init vstms_fixup(struct tag *tags, char **cmdline, + struct meminfo *mi) { if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) { mi->nr_banks=1; diff --git a/arch/arm/mach-s3c64xx/Makefile.boot b/arch/arm/mach-s3c64xx/Makefile.boot index ba41fdc..c642333 100644 --- a/arch/arm/mach-s3c64xx/Makefile.boot +++ b/arch/arm/mach-s3c64xx/Makefile.boot @@ -1,2 +1,2 @@ - zreladdr-y := 0x50008000 + zreladdr-y += 0x50008000 params_phys-y := 0x50000100 diff --git a/arch/arm/mach-s5p64x0/Makefile.boot b/arch/arm/mach-s5p64x0/Makefile.boot index ff90aa1..79ece40 100644 --- a/arch/arm/mach-s5p64x0/Makefile.boot +++ b/arch/arm/mach-s5p64x0/Makefile.boot @@ -1,2 +1,2 @@ - zreladdr-y := 0x20008000 + zreladdr-y += 0x20008000 params_phys-y := 0x20000100 diff --git a/arch/arm/mach-s5pc100/Makefile.boot b/arch/arm/mach-s5pc100/Makefile.boot index ff90aa1..79ece40 100644 --- a/arch/arm/mach-s5pc100/Makefile.boot +++ b/arch/arm/mach-s5pc100/Makefile.boot @@ -1,2 +1,2 @@ - zreladdr-y := 0x20008000 + zreladdr-y += 0x20008000 params_phys-y := 0x20000100 diff --git a/arch/arm/mach-s5pv210/Makefile.boot b/arch/arm/mach-s5pv210/Makefile.boot index ff90aa1..79ece40 100644 --- a/arch/arm/mach-s5pv210/Makefile.boot +++ b/arch/arm/mach-s5pv210/Makefile.boot @@ -1,2 +1,2 @@ - zreladdr-y := 0x20008000 + zreladdr-y += 0x20008000 params_phys-y := 0x20000100 diff --git a/arch/arm/mach-sa1100/Makefile b/arch/arm/mach-sa1100/Makefile index 41252d2..0063178 100644 --- a/arch/arm/mach-sa1100/Makefile +++ b/arch/arm/mach-sa1100/Makefile @@ -45,7 +45,6 @@ obj-$(CONFIG_SA1100_PLEB) += pleb.o obj-$(CONFIG_SA1100_SHANNON) += shannon.o obj-$(CONFIG_SA1100_SIMPAD) += simpad.o -led-$(CONFIG_SA1100_SIMPAD) += leds-simpad.o # LEDs support obj-$(CONFIG_LEDS) += $(led-y) diff --git a/arch/arm/mach-sa1100/Makefile.boot b/arch/arm/mach-sa1100/Makefile.boot index a56ad04..5a616f6 100644 --- a/arch/arm/mach-sa1100/Makefile.boot +++ b/arch/arm/mach-sa1100/Makefile.boot @@ -1,6 +1,7 @@ - zreladdr-y := 0xc0008000 ifeq ($(CONFIG_ARCH_SA1100),y) - zreladdr-$(CONFIG_SA1111) := 0xc0208000 + zreladdr-$(CONFIG_SA1111) += 0xc0208000 +else + zreladdr-y += 0xc0008000 endif params_phys-y := 0xc0000100 initrd_phys-y := 0xc0800000 diff --git a/arch/arm/mach-sa1100/assabet.c b/arch/arm/mach-sa1100/assabet.c index 26257df..6290ce2 100644 --- a/arch/arm/mach-sa1100/assabet.c +++ b/arch/arm/mach-sa1100/assabet.c @@ -301,8 +301,7 @@ static void __init get_assabet_scr(void) } static void __init -fixup_assabet(struct machine_desc *desc, struct tag *tags, - char **cmdline, struct meminfo *mi) +fixup_assabet(struct tag *tags, char **cmdline, struct meminfo *mi) { /* This must be done before any call to machine_has_neponset() */ map_sa1100_gpio_regs(); diff --git a/arch/arm/mach-sa1100/include/mach/io.h b/arch/arm/mach-sa1100/include/mach/io.h index d8b43f3..dfc27ff 100644 --- a/arch/arm/mach-sa1100/include/mach/io.h +++ b/arch/arm/mach-sa1100/include/mach/io.h @@ -10,11 +10,9 @@ #ifndef __ASM_ARM_ARCH_IO_H #define __ASM_ARM_ARCH_IO_H -#define IO_SPACE_LIMIT 0xffffffff - /* - * We don't actually have real ISA nor PCI buses, but there is so many - * drivers out there that might just work if we fake them... + * __io() is required to be an equivalent mapping to __mem_pci() for + * SOC_COMMON to work. */ #define __io(a) __typesafe_io(a) #define __mem_pci(a) (a) diff --git a/arch/arm/mach-sa1100/include/mach/simpad.h b/arch/arm/mach-sa1100/include/mach/simpad.h index 9296c45..db28118 100644 --- a/arch/arm/mach-sa1100/include/mach/simpad.h +++ b/arch/arm/mach-sa1100/include/mach/simpad.h @@ -48,32 +48,80 @@ #define GPIO_SMART_CARD GPIO_GPIO10 #define IRQ_GPIO_SMARD_CARD IRQ_GPIO10 -// CS3 Latch is write only, a shadow is necessary +/*--- ucb1x00 GPIO ---*/ +#define SIMPAD_UCB1X00_GPIO_BASE (GPIO_MAX + 1) +#define SIMPAD_UCB1X00_GPIO_PROG1 (SIMPAD_UCB1X00_GPIO_BASE) +#define SIMPAD_UCB1X00_GPIO_PROG2 (SIMPAD_UCB1X00_GPIO_BASE + 1) +#define SIMPAD_UCB1X00_GPIO_UP (SIMPAD_UCB1X00_GPIO_BASE + 2) +#define SIMPAD_UCB1X00_GPIO_DOWN (SIMPAD_UCB1X00_GPIO_BASE + 3) +#define SIMPAD_UCB1X00_GPIO_LEFT (SIMPAD_UCB1X00_GPIO_BASE + 4) +#define SIMPAD_UCB1X00_GPIO_RIGHT (SIMPAD_UCB1X00_GPIO_BASE + 5) +#define SIMPAD_UCB1X00_GPIO_6 (SIMPAD_UCB1X00_GPIO_BASE + 6) +#define SIMPAD_UCB1X00_GPIO_7 (SIMPAD_UCB1X00_GPIO_BASE + 7) +#define SIMPAD_UCB1X00_GPIO_HEADSET (SIMPAD_UCB1X00_GPIO_BASE + 8) +#define SIMPAD_UCB1X00_GPIO_SPEAKER (SIMPAD_UCB1X00_GPIO_BASE + 9) + +/*--- CS3 Latch ---*/ +#define SIMPAD_CS3_GPIO_BASE (GPIO_MAX + 11) +#define SIMPAD_CS3_VCC_5V_EN (SIMPAD_CS3_GPIO_BASE) +#define SIMPAD_CS3_VCC_3V_EN (SIMPAD_CS3_GPIO_BASE + 1) +#define SIMPAD_CS3_EN1 (SIMPAD_CS3_GPIO_BASE + 2) +#define SIMPAD_CS3_EN0 (SIMPAD_CS3_GPIO_BASE + 3) +#define SIMPAD_CS3_DISPLAY_ON (SIMPAD_CS3_GPIO_BASE + 4) +#define SIMPAD_CS3_PCMCIA_BUFF_DIS (SIMPAD_CS3_GPIO_BASE + 5) +#define SIMPAD_CS3_MQ_RESET (SIMPAD_CS3_GPIO_BASE + 6) +#define SIMPAD_CS3_PCMCIA_RESET (SIMPAD_CS3_GPIO_BASE + 7) +#define SIMPAD_CS3_DECT_POWER_ON (SIMPAD_CS3_GPIO_BASE + 8) +#define SIMPAD_CS3_IRDA_SD (SIMPAD_CS3_GPIO_BASE + 9) +#define SIMPAD_CS3_RS232_ON (SIMPAD_CS3_GPIO_BASE + 10) +#define SIMPAD_CS3_SD_MEDIAQ (SIMPAD_CS3_GPIO_BASE + 11) +#define SIMPAD_CS3_LED2_ON (SIMPAD_CS3_GPIO_BASE + 12) +#define SIMPAD_CS3_IRDA_MODE (SIMPAD_CS3_GPIO_BASE + 13) +#define SIMPAD_CS3_ENABLE_5V (SIMPAD_CS3_GPIO_BASE + 14) +#define SIMPAD_CS3_RESET_SIMCARD (SIMPAD_CS3_GPIO_BASE + 15) + +#define SIMPAD_CS3_PCMCIA_BVD1 (SIMPAD_CS3_GPIO_BASE + 16) +#define SIMPAD_CS3_PCMCIA_BVD2 (SIMPAD_CS3_GPIO_BASE + 17) +#define SIMPAD_CS3_PCMCIA_VS1 (SIMPAD_CS3_GPIO_BASE + 18) +#define SIMPAD_CS3_PCMCIA_VS2 (SIMPAD_CS3_GPIO_BASE + 19) +#define SIMPAD_CS3_LOCK_IND (SIMPAD_CS3_GPIO_BASE + 20) +#define SIMPAD_CS3_CHARGING_STATE (SIMPAD_CS3_GPIO_BASE + 21) +#define SIMPAD_CS3_PCMCIA_SHORT (SIMPAD_CS3_GPIO_BASE + 22) +#define SIMPAD_CS3_GPIO_23 (SIMPAD_CS3_GPIO_BASE + 23) -#define CS3BUSTYPE unsigned volatile long #define CS3_BASE 0xf1000000 -#define VCC_5V_EN 0x0001 // For 5V PCMCIA -#define VCC_3V_EN 0x0002 // FOR 3.3V PCMCIA -#define EN1 0x0004 // This is only for EPROM's -#define EN0 0x0008 // Both should be enable for 3.3V or 5V -#define DISPLAY_ON 0x0010 -#define PCMCIA_BUFF_DIS 0x0020 -#define MQ_RESET 0x0040 -#define PCMCIA_RESET 0x0080 -#define DECT_POWER_ON 0x0100 -#define IRDA_SD 0x0200 // Shutdown for powersave -#define RS232_ON 0x0400 -#define SD_MEDIAQ 0x0800 // Shutdown for powersave -#define LED2_ON 0x1000 -#define IRDA_MODE 0x2000 // Fast/Slow IrDA mode -#define ENABLE_5V 0x4000 // Enable 5V circuit -#define RESET_SIMCARD 0x8000 - -#define RS232_ENABLE 0x0440 -#define PCMCIAMASK 0x402f - - +long simpad_get_cs3_ro(void); +long simpad_get_cs3_shadow(void); +void simpad_set_cs3_bit(int value); +void simpad_clear_cs3_bit(int value); + +#define VCC_5V_EN 0x0001 /* For 5V PCMCIA */ +#define VCC_3V_EN 0x0002 /* FOR 3.3V PCMCIA */ +#define EN1 0x0004 /* This is only for EPROM's */ +#define EN0 0x0008 /* Both should be enable for 3.3V or 5V */ +#define DISPLAY_ON 0x0010 +#define PCMCIA_BUFF_DIS 0x0020 +#define MQ_RESET 0x0040 +#define PCMCIA_RESET 0x0080 +#define DECT_POWER_ON 0x0100 +#define IRDA_SD 0x0200 /* Shutdown for powersave */ +#define RS232_ON 0x0400 +#define SD_MEDIAQ 0x0800 /* Shutdown for powersave */ +#define LED2_ON 0x1000 +#define IRDA_MODE 0x2000 /* Fast/Slow IrDA mode */ +#define ENABLE_5V 0x4000 /* Enable 5V circuit */ +#define RESET_SIMCARD 0x8000 + +#define PCMCIA_BVD1 0x01 +#define PCMCIA_BVD2 0x02 +#define PCMCIA_VS1 0x04 +#define PCMCIA_VS2 0x08 +#define LOCK_IND 0x10 +#define CHARGING_STATE 0x20 +#define PCMCIA_SHORT 0x40 + +/*--- Battery ---*/ struct simpad_battery { unsigned char ac_status; /* line connected yes/no */ unsigned char status; /* battery loading yes/no */ diff --git a/arch/arm/mach-sa1100/leds-simpad.c b/arch/arm/mach-sa1100/leds-simpad.c deleted file mode 100644 index d50f4ee..0000000 --- a/arch/arm/mach-sa1100/leds-simpad.c +++ /dev/null @@ -1,100 +0,0 @@ -/* - * linux/arch/arm/mach-sa1100/leds-simpad.c - * - * Author: Juergen Messerer <juergen.messerer@siemens.ch> - */ -#include <linux/init.h> - -#include <mach/hardware.h> -#include <asm/leds.h> -#include <asm/system.h> -#include <mach/simpad.h> - -#include "leds.h" - - -#define LED_STATE_ENABLED 1 -#define LED_STATE_CLAIMED 2 - -static unsigned int led_state; -static unsigned int hw_led_state; - -#define LED_GREEN (1) -#define LED_MASK (1) - -extern void set_cs3_bit(int value); -extern void clear_cs3_bit(int value); - -void simpad_leds_event(led_event_t evt) -{ - switch (evt) - { - case led_start: - hw_led_state = LED_GREEN; - led_state = LED_STATE_ENABLED; - break; - - case led_stop: - led_state &= ~LED_STATE_ENABLED; - break; - - case led_claim: - led_state |= LED_STATE_CLAIMED; - hw_led_state = LED_GREEN; - break; - - case led_release: - led_state &= ~LED_STATE_CLAIMED; - hw_led_state = LED_GREEN; - break; - -#ifdef CONFIG_LEDS_TIMER - case led_timer: - if (!(led_state & LED_STATE_CLAIMED)) - hw_led_state ^= LED_GREEN; - break; -#endif - -#ifdef CONFIG_LEDS_CPU - case led_idle_start: - break; - - case led_idle_end: - break; -#endif - - case led_halted: - break; - - case led_green_on: - if (led_state & LED_STATE_CLAIMED) - hw_led_state |= LED_GREEN; - break; - - case led_green_off: - if (led_state & LED_STATE_CLAIMED) - hw_led_state &= ~LED_GREEN; - break; - - case led_amber_on: - break; - - case led_amber_off: - break; - - case led_red_on: - break; - - case led_red_off: - break; - - default: - break; - } - - if (led_state & LED_STATE_ENABLED) - set_cs3_bit(LED2_ON); - else - clear_cs3_bit(LED2_ON); -} - diff --git a/arch/arm/mach-sa1100/leds.c b/arch/arm/mach-sa1100/leds.c index bbfe197..5fe71a0 100644 --- a/arch/arm/mach-sa1100/leds.c +++ b/arch/arm/mach-sa1100/leds.c @@ -42,8 +42,6 @@ sa1100_leds_init(void) leds_event = adsbitsy_leds_event; if (machine_is_pt_system3()) leds_event = system3_leds_event; - if (machine_is_simpad()) - leds_event = simpad_leds_event; /* what about machine registry? including led, apm... -zecke */ leds_event(led_start); return 0; diff --git a/arch/arm/mach-sa1100/leds.h b/arch/arm/mach-sa1100/leds.h index 68cc9f7..776b602 100644 --- a/arch/arm/mach-sa1100/leds.h +++ b/arch/arm/mach-sa1100/leds.h @@ -11,4 +11,3 @@ extern void pfs168_leds_event(led_event_t evt); extern void graphicsmaster_leds_event(led_event_t evt); extern void adsbitsy_leds_event(led_event_t evt); extern void system3_leds_event(led_event_t evt); -extern void simpad_leds_event(led_event_t evt); diff --git a/arch/arm/mach-sa1100/simpad.c b/arch/arm/mach-sa1100/simpad.c index cfb7607..34659f3 100644 --- a/arch/arm/mach-sa1100/simpad.c +++ b/arch/arm/mach-sa1100/simpad.c @@ -13,6 +13,7 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <linux/io.h> +#include <linux/gpio.h> #include <asm/irq.h> #include <mach/hardware.h> @@ -28,35 +29,92 @@ #include <linux/serial_core.h> #include <linux/ioport.h> +#include <linux/input.h> +#include <linux/gpio_keys.h> +#include <linux/leds.h> +#include <linux/i2c-gpio.h> #include "generic.h" -long cs3_shadow; +/* + * CS3 support + */ -long get_cs3_shadow(void) +static long cs3_shadow; +static spinlock_t cs3_lock; +static struct gpio_chip cs3_gpio; + +long simpad_get_cs3_ro(void) +{ + return readl(CS3_BASE); +} +EXPORT_SYMBOL(simpad_get_cs3_ro); + +long simpad_get_cs3_shadow(void) { return cs3_shadow; } +EXPORT_SYMBOL(simpad_get_cs3_shadow); -void set_cs3(long value) +static void __simpad_write_cs3(void) { - *(CS3BUSTYPE *)(CS3_BASE) = cs3_shadow = value; + writel(cs3_shadow, CS3_BASE); } -void set_cs3_bit(int value) +void simpad_set_cs3_bit(int value) { + unsigned long flags; + + spin_lock_irqsave(&cs3_lock, flags); cs3_shadow |= value; - *(CS3BUSTYPE *)(CS3_BASE) = cs3_shadow; + __simpad_write_cs3(); + spin_unlock_irqrestore(&cs3_lock, flags); } +EXPORT_SYMBOL(simpad_set_cs3_bit); -void clear_cs3_bit(int value) +void simpad_clear_cs3_bit(int value) { + unsigned long flags; + + spin_lock_irqsave(&cs3_lock, flags); cs3_shadow &= ~value; - *(CS3BUSTYPE *)(CS3_BASE) = cs3_shadow; + __simpad_write_cs3(); + spin_unlock_irqrestore(&cs3_lock, flags); } +EXPORT_SYMBOL(simpad_clear_cs3_bit); + +static void cs3_gpio_set(struct gpio_chip *chip, unsigned offset, int value) +{ + if (offset > 15) + return; + if (value) + simpad_set_cs3_bit(1 << offset); + else + simpad_clear_cs3_bit(1 << offset); +}; + +static int cs3_gpio_get(struct gpio_chip *chip, unsigned offset) +{ + if (offset > 15) + return simpad_get_cs3_ro() & (1 << (offset - 16)); + return simpad_get_cs3_shadow() & (1 << offset); +}; -EXPORT_SYMBOL(set_cs3_bit); -EXPORT_SYMBOL(clear_cs3_bit); +static int cs3_gpio_direction_input(struct gpio_chip *chip, unsigned offset) +{ + if (offset > 15) + return 0; + return -EINVAL; +}; + +static int cs3_gpio_direction_output(struct gpio_chip *chip, unsigned offset, + int value) +{ + if (offset > 15) + return -EINVAL; + cs3_gpio_set(chip, offset, value); + return 0; +}; static struct map_desc simpad_io_desc[] __initdata = { { /* MQ200 */ @@ -64,9 +122,9 @@ static struct map_desc simpad_io_desc[] __initdata = { .pfn = __phys_to_pfn(0x4b800000), .length = 0x00800000, .type = MT_DEVICE - }, { /* Paules CS3, write only */ - .virtual = 0xf1000000, - .pfn = __phys_to_pfn(0x18000000), + }, { /* Simpad CS3 */ + .virtual = CS3_BASE, + .pfn = __phys_to_pfn(SA1100_CS3_PHYS), .length = 0x00100000, .type = MT_DEVICE }, @@ -78,12 +136,12 @@ static void simpad_uart_pm(struct uart_port *port, u_int state, u_int oldstate) if (port->mapbase == (u_int)&Ser1UTCR0) { if (state) { - clear_cs3_bit(RS232_ON); - clear_cs3_bit(DECT_POWER_ON); + simpad_clear_cs3_bit(RS232_ON); + simpad_clear_cs3_bit(DECT_POWER_ON); }else { - set_cs3_bit(RS232_ON); - set_cs3_bit(DECT_POWER_ON); + simpad_set_cs3_bit(RS232_ON); + simpad_set_cs3_bit(DECT_POWER_ON); } } } @@ -132,6 +190,7 @@ static struct resource simpad_flash_resources [] = { static struct mcp_plat_data simpad_mcp_data = { .mccr0 = MCCR0_ADM, .sclk_rate = 11981000, + .gpio_base = SIMPAD_UCB1X00_GPIO_BASE, }; @@ -142,9 +201,10 @@ static void __init simpad_map_io(void) iotable_init(simpad_io_desc, ARRAY_SIZE(simpad_io_desc)); - set_cs3_bit (EN1 | EN0 | LED2_ON | DISPLAY_ON | RS232_ON | - ENABLE_5V | RESET_SIMCARD | DECT_POWER_ON); - + /* Initialize CS3 */ + cs3_shadow = (EN1 | EN0 | LED2_ON | DISPLAY_ON | + RS232_ON | ENABLE_5V | RESET_SIMCARD | DECT_POWER_ON); + __simpad_write_cs3(); /* Spinlocks not yet initialized */ sa1100_register_uart_fns(&simpad_port_fns); sa1100_register_uart(0, 3); /* serial interface */ @@ -170,13 +230,14 @@ static void __init simpad_map_io(void) static void simpad_power_off(void) { - local_irq_disable(); // was cli - set_cs3(0x800); /* only SD_MEDIAQ */ + local_irq_disable(); + cs3_shadow = SD_MEDIAQ; + __simpad_write_cs3(); /* Bypass spinlock here */ /* disable internal oscillator, float CS lines */ PCFR = (PCFR_OPDE | PCFR_FP | PCFR_FS); - /* enable wake-up on GPIO0 (Assabet...) */ - PWER = GFER = GRER = 1; + /* enable wake-up on GPIO0 */ + PWER = GFER = GRER = PWER_GPIO0; /* * set scratchpad to zero, just in case it is used as a * restart address by the bootloader. @@ -192,6 +253,91 @@ static void simpad_power_off(void) } +/* + * gpio_keys +*/ + +static struct gpio_keys_button simpad_button_table[] = { + { KEY_POWER, IRQ_GPIO_POWER_BUTTON, 1, "power button" }, +}; + +static struct gpio_keys_platform_data simpad_keys_data = { + .buttons = simpad_button_table, + .nbuttons = ARRAY_SIZE(simpad_button_table), +}; + +static struct platform_device simpad_keys = { + .name = "gpio-keys", + .dev = { + .platform_data = &simpad_keys_data, + }, +}; + +static struct gpio_keys_button simpad_polled_button_table[] = { + { KEY_PROG1, SIMPAD_UCB1X00_GPIO_PROG1, 1, "prog1 button" }, + { KEY_PROG2, SIMPAD_UCB1X00_GPIO_PROG2, 1, "prog2 button" }, + { KEY_UP, SIMPAD_UCB1X00_GPIO_UP, 1, "up button" }, + { KEY_DOWN, SIMPAD_UCB1X00_GPIO_DOWN, 1, "down button" }, + { KEY_LEFT, SIMPAD_UCB1X00_GPIO_LEFT, 1, "left button" }, + { KEY_RIGHT, SIMPAD_UCB1X00_GPIO_RIGHT, 1, "right button" }, +}; + +static struct gpio_keys_platform_data simpad_polled_keys_data = { + .buttons = simpad_polled_button_table, + .nbuttons = ARRAY_SIZE(simpad_polled_button_table), + .poll_interval = 50, +}; + +static struct platform_device simpad_polled_keys = { + .name = "gpio-keys-polled", + .dev = { + .platform_data = &simpad_polled_keys_data, + }, +}; + +/* + * GPIO LEDs + */ + +static struct gpio_led simpad_leds[] = { + { + .name = "simpad:power", + .gpio = SIMPAD_CS3_LED2_ON, + .active_low = 0, + .default_trigger = "default-on", + }, +}; + +static struct gpio_led_platform_data simpad_led_data = { + .num_leds = ARRAY_SIZE(simpad_leds), + .leds = simpad_leds, +}; + +static struct platform_device simpad_gpio_leds = { + .name = "leds-gpio", + .id = 0, + .dev = { + .platform_data = &simpad_led_data, + }, +}; + +/* + * i2c + */ +static struct i2c_gpio_platform_data simpad_i2c_data = { + .sda_pin = GPIO_GPIO21, + .scl_pin = GPIO_GPIO25, + .udelay = 10, + .timeout = HZ, +}; + +static struct platform_device simpad_i2c = { + .name = "i2c-gpio", + .id = 0, + .dev = { + .platform_data = &simpad_i2c_data, + }, +}; /* * MediaQ Video Device @@ -202,7 +348,11 @@ static struct platform_device simpad_mq200fb = { }; static struct platform_device *devices[] __initdata = { - &simpad_mq200fb + &simpad_keys, + &simpad_polled_keys, + &simpad_mq200fb, + &simpad_gpio_leds, + &simpad_i2c, }; @@ -211,6 +361,19 @@ static int __init simpad_init(void) { int ret; + spin_lock_init(&cs3_lock); + + cs3_gpio.label = "simpad_cs3"; + cs3_gpio.base = SIMPAD_CS3_GPIO_BASE; + cs3_gpio.ngpio = 24; + cs3_gpio.set = cs3_gpio_set; + cs3_gpio.get = cs3_gpio_get; + cs3_gpio.direction_input = cs3_gpio_direction_input; + cs3_gpio.direction_output = cs3_gpio_direction_output; + ret = gpiochip_add(&cs3_gpio); + if (ret) + printk(KERN_WARNING "simpad: Unable to register cs3 GPIO device"); + pm_power_off = simpad_power_off; sa11x0_register_mtd(&simpad_flash_data, simpad_flash_resources, diff --git a/arch/arm/mach-shark/Makefile.boot b/arch/arm/mach-shark/Makefile.boot index 4320f8b..e40e24e 100644 --- a/arch/arm/mach-shark/Makefile.boot +++ b/arch/arm/mach-shark/Makefile.boot @@ -1,2 +1,2 @@ - zreladdr-y := 0x08008000 + zreladdr-y += 0x08008000 diff --git a/arch/arm/mach-shmobile/Makefile.boot b/arch/arm/mach-shmobile/Makefile.boot index 1c08ee9..498efd9 100644 --- a/arch/arm/mach-shmobile/Makefile.boot +++ b/arch/arm/mach-shmobile/Makefile.boot @@ -1,7 +1,7 @@ __ZRELADDR := $(shell /bin/bash -c 'printf "0x%08x" \ $$[$(CONFIG_MEMORY_START) + 0x8000]') - zreladdr-y := $(__ZRELADDR) + zreladdr-y += $(__ZRELADDR) # Unsupported legacy stuff # diff --git a/arch/arm/mach-shmobile/platsmp.c b/arch/arm/mach-shmobile/platsmp.c index 66f9806..e4e485f 100644 --- a/arch/arm/mach-shmobile/platsmp.c +++ b/arch/arm/mach-shmobile/platsmp.c @@ -56,6 +56,12 @@ void __init smp_init_cpus(void) unsigned int ncores = shmobile_smp_get_core_count(); unsigned int i; + if (ncores > nr_cpu_ids) { + pr_warn("SMP: %u cores greater than maximum (%u), clipping\n", + ncores, nr_cpu_ids); + ncores = nr_cpu_ids; + } + for (i = 0; i < ncores; i++) set_cpu_possible(i, true); diff --git a/arch/arm/mach-spear3xx/Makefile.boot b/arch/arm/mach-spear3xx/Makefile.boot index 7a1f3c0..4674a4c 100644 --- a/arch/arm/mach-spear3xx/Makefile.boot +++ b/arch/arm/mach-spear3xx/Makefile.boot @@ -1,3 +1,3 @@ -zreladdr-y := 0x00008000 +zreladdr-y += 0x00008000 params_phys-y := 0x00000100 initrd_phys-y := 0x00800000 diff --git a/arch/arm/mach-spear6xx/Makefile.boot b/arch/arm/mach-spear6xx/Makefile.boot index 7a1f3c0..4674a4c 100644 --- a/arch/arm/mach-spear6xx/Makefile.boot +++ b/arch/arm/mach-spear6xx/Makefile.boot @@ -1,3 +1,3 @@ -zreladdr-y := 0x00008000 +zreladdr-y += 0x00008000 params_phys-y := 0x00000100 initrd_phys-y := 0x00800000 diff --git a/arch/arm/mach-tcc8k/Makefile.boot b/arch/arm/mach-tcc8k/Makefile.boot index f135c9d..5e02d41 100644 --- a/arch/arm/mach-tcc8k/Makefile.boot +++ b/arch/arm/mach-tcc8k/Makefile.boot @@ -1,3 +1,3 @@ - zreladdr-y := 0x20008000 + zreladdr-y += 0x20008000 params_phys-y := 0x20000100 initrd_phys-y := 0x20800000 diff --git a/arch/arm/mach-tegra/Makefile.boot b/arch/arm/mach-tegra/Makefile.boot index 428ad12..5e870d2 100644 --- a/arch/arm/mach-tegra/Makefile.boot +++ b/arch/arm/mach-tegra/Makefile.boot @@ -1,4 +1,4 @@ -zreladdr-$(CONFIG_ARCH_TEGRA_2x_SOC) := 0x00008000 +zreladdr-$(CONFIG_ARCH_TEGRA_2x_SOC) += 0x00008000 params_phys-$(CONFIG_ARCH_TEGRA_2x_SOC) := 0x00000100 initrd_phys-$(CONFIG_ARCH_TEGRA_2x_SOC) := 0x00800000 diff --git a/arch/arm/mach-tegra/board-harmony.c b/arch/arm/mach-tegra/board-harmony.c index 846cd7d..c78ce41 100644 --- a/arch/arm/mach-tegra/board-harmony.c +++ b/arch/arm/mach-tegra/board-harmony.c @@ -123,8 +123,8 @@ static struct platform_device *harmony_devices[] __initdata = { &harmony_audio_device, }; -static void __init tegra_harmony_fixup(struct machine_desc *desc, - struct tag *tags, char **cmdline, struct meminfo *mi) +static void __init tegra_harmony_fixup(struct tag *tags, char **cmdline, + struct meminfo *mi) { mi->nr_banks = 2; mi->bank[0].start = PHYS_OFFSET; diff --git a/arch/arm/mach-tegra/board-paz00.c b/arch/arm/mach-tegra/board-paz00.c index ea2f79c..5e6bc77 100644 --- a/arch/arm/mach-tegra/board-paz00.c +++ b/arch/arm/mach-tegra/board-paz00.c @@ -84,8 +84,8 @@ static void paz00_usb_init(void) platform_device_register(&tegra_ehci3_device); } -static void __init tegra_paz00_fixup(struct machine_desc *desc, - struct tag *tags, char **cmdline, struct meminfo *mi) +static void __init tegra_paz00_fixup(struct tag *tags, char **cmdline, + struct meminfo *mi) { mi->nr_banks = 1; mi->bank[0].start = PHYS_OFFSET; diff --git a/arch/arm/mach-tegra/board-trimslice.c b/arch/arm/mach-tegra/board-trimslice.c index 89a6d2a..652c340 100644 --- a/arch/arm/mach-tegra/board-trimslice.c +++ b/arch/arm/mach-tegra/board-trimslice.c @@ -126,8 +126,8 @@ static void trimslice_usb_init(void) platform_device_register(&tegra_ehci1_device); } -static void __init tegra_trimslice_fixup(struct machine_desc *desc, - struct tag *tags, char **cmdline, struct meminfo *mi) +static void __init tegra_trimslice_fixup(struct tag *tags, char **cmdline, + struct meminfo *mi) { mi->nr_banks = 2; mi->bank[0].start = PHYS_OFFSET; diff --git a/arch/arm/mach-tegra/platsmp.c b/arch/arm/mach-tegra/platsmp.c index 0886cbc..7d2b5d0 100644 --- a/arch/arm/mach-tegra/platsmp.c +++ b/arch/arm/mach-tegra/platsmp.c @@ -114,10 +114,10 @@ void __init smp_init_cpus(void) { unsigned int i, ncores = scu_get_core_count(scu_base); - if (ncores > NR_CPUS) { - printk(KERN_ERR "Tegra: no. of cores (%u) greater than configured (%u), clipping\n", - ncores, NR_CPUS); - ncores = NR_CPUS; + if (ncores > nr_cpu_ids) { + pr_warn("SMP: %u cores greater than maximum (%u), clipping\n", + ncores, nr_cpu_ids); + ncores = nr_cpu_ids; } for (i = 0; i < ncores; i++) diff --git a/arch/arm/mach-u300/Makefile.boot b/arch/arm/mach-u300/Makefile.boot index 6fbfc6e..69357af 100644 --- a/arch/arm/mach-u300/Makefile.boot +++ b/arch/arm/mach-u300/Makefile.boot @@ -4,10 +4,10 @@ # INITRD_PHYS must be in RAM ifdef CONFIG_MACH_U300_SINGLE_RAM - zreladdr-y := 0x28E08000 + zreladdr-y += 0x28E08000 params_phys-y := 0x28E00100 else - zreladdr-y := 0x48008000 + zreladdr-y += 0x48008000 params_phys-y := 0x48000100 endif diff --git a/arch/arm/mach-ux500/Makefile.boot b/arch/arm/mach-ux500/Makefile.boot index c7e75ac..ff0a4b5 100644 --- a/arch/arm/mach-ux500/Makefile.boot +++ b/arch/arm/mach-ux500/Makefile.boot @@ -1,4 +1,4 @@ - zreladdr-y := 0x00008000 + zreladdr-y += 0x00008000 params_phys-y := 0x00000100 initrd_phys-y := 0x00800000 diff --git a/arch/arm/mach-ux500/platsmp.c b/arch/arm/mach-ux500/platsmp.c index a33df5f..eb51991 100644 --- a/arch/arm/mach-ux500/platsmp.c +++ b/arch/arm/mach-ux500/platsmp.c @@ -156,12 +156,10 @@ void __init smp_init_cpus(void) ncores = scu_base ? scu_get_core_count(scu_base) : 1; /* sanity check */ - if (ncores > NR_CPUS) { - printk(KERN_WARNING - "U8500: no. of cores (%d) greater than configured " - "maximum of %d - clipping\n", - ncores, NR_CPUS); - ncores = NR_CPUS; + if (ncores > nr_cpu_ids) { + pr_warn("SMP: %u cores greater than maximum (%u), clipping\n", + ncores, nr_cpu_ids); + ncores = nr_cpu_ids; } for (i = 0; i < ncores; i++) diff --git a/arch/arm/mach-versatile/Makefile.boot b/arch/arm/mach-versatile/Makefile.boot index c7e75ac..ff0a4b5 100644 --- a/arch/arm/mach-versatile/Makefile.boot +++ b/arch/arm/mach-versatile/Makefile.boot @@ -1,4 +1,4 @@ - zreladdr-y := 0x00008000 + zreladdr-y += 0x00008000 params_phys-y := 0x00000100 initrd_phys-y := 0x00800000 diff --git a/arch/arm/mach-vexpress/Makefile.boot b/arch/arm/mach-vexpress/Makefile.boot index 07c2d9c..8630b3d 100644 --- a/arch/arm/mach-vexpress/Makefile.boot +++ b/arch/arm/mach-vexpress/Makefile.boot @@ -1,3 +1,3 @@ - zreladdr-y := 0x60008000 + zreladdr-y += 0x60008000 params_phys-y := 0x60000100 initrd_phys-y := 0x60800000 diff --git a/arch/arm/mach-vexpress/ct-ca9x4.c b/arch/arm/mach-vexpress/ct-ca9x4.c index bfd32f5..2b1e836 100644 --- a/arch/arm/mach-vexpress/ct-ca9x4.c +++ b/arch/arm/mach-vexpress/ct-ca9x4.c @@ -221,6 +221,12 @@ static void ct_ca9x4_init_cpu_map(void) { int i, ncores = scu_get_core_count(MMIO_P2V(A9_MPCORE_SCU)); + if (ncores > nr_cpu_ids) { + pr_warn("SMP: %u cores greater than maximum (%u), clipping\n", + ncores, nr_cpu_ids); + ncores = nr_cpu_ids; + } + for (i = 0; i < ncores; ++i) set_cpu_possible(i, true); diff --git a/arch/arm/mach-vexpress/hotplug.c b/arch/arm/mach-vexpress/hotplug.c index ea4cbfb..3668cf9 100644 --- a/arch/arm/mach-vexpress/hotplug.c +++ b/arch/arm/mach-vexpress/hotplug.c @@ -13,6 +13,7 @@ #include <linux/smp.h> #include <asm/cacheflush.h> +#include <asm/system.h> extern volatile int pen_release; @@ -62,13 +63,7 @@ static inline void platform_do_lowpower(unsigned int cpu, int *spurious) * code will have already disabled interrupts */ for (;;) { - /* - * here's the WFI - */ - asm(".word 0xe320f003\n" - : - : - : "memory", "cc"); + wfi(); if (pen_release == cpu) { /* diff --git a/arch/arm/mach-vexpress/include/mach/io.h b/arch/arm/mach-vexpress/include/mach/io.h index 748bb52..13522d8 100644 --- a/arch/arm/mach-vexpress/include/mach/io.h +++ b/arch/arm/mach-vexpress/include/mach/io.h @@ -20,8 +20,6 @@ #ifndef __ASM_ARM_ARCH_IO_H #define __ASM_ARM_ARCH_IO_H -#define IO_SPACE_LIMIT 0xffffffff - #define __io(a) __typesafe_io(a) #define __mem_pci(a) (a) diff --git a/arch/arm/mach-vt8500/Makefile.boot b/arch/arm/mach-vt8500/Makefile.boot index a8acc4e..b79c41c 100644 --- a/arch/arm/mach-vt8500/Makefile.boot +++ b/arch/arm/mach-vt8500/Makefile.boot @@ -1,3 +1,3 @@ - zreladdr-y := 0x00008000 + zreladdr-y += 0x00008000 params_phys-y := 0x00000100 initrd_phys-y := 0x01000000 diff --git a/arch/arm/mach-vt8500/include/mach/io.h b/arch/arm/mach-vt8500/include/mach/io.h index 9077239..46181ee 100644 --- a/arch/arm/mach-vt8500/include/mach/io.h +++ b/arch/arm/mach-vt8500/include/mach/io.h @@ -20,8 +20,6 @@ #ifndef __ASM_ARM_ARCH_IO_H #define __ASM_ARM_ARCH_IO_H -#define IO_SPACE_LIMIT 0xffff - #define __io(a) __typesafe_io((a) + 0xf0000000) #define __mem_pci(a) (a) diff --git a/arch/arm/mach-w90x900/Makefile.boot b/arch/arm/mach-w90x900/Makefile.boot index a057b54..6c3d421 100644 --- a/arch/arm/mach-w90x900/Makefile.boot +++ b/arch/arm/mach-w90x900/Makefile.boot @@ -1,3 +1,3 @@ -zreladdr-y := 0x00008000 +zreladdr-y += 0x00008000 params_phys-y := 0x00000100 diff --git a/arch/arm/mach-zynq/Makefile.boot b/arch/arm/mach-zynq/Makefile.boot index 67039c3..760a0ef 100644 --- a/arch/arm/mach-zynq/Makefile.boot +++ b/arch/arm/mach-zynq/Makefile.boot @@ -1,3 +1,3 @@ - zreladdr-y := 0x00008000 + zreladdr-y += 0x00008000 params_phys-y := 0x00000100 initrd_phys-y := 0x00800000 diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c index cfbcf8b..c335c76 100644 --- a/arch/arm/mm/alignment.c +++ b/arch/arm/mm/alignment.c @@ -86,16 +86,6 @@ core_param(alignment, ai_usermode, int, 0600); #define UM_FIXUP (1 << 1) #define UM_SIGNAL (1 << 2) -#ifdef CONFIG_PROC_FS -static const char *usermode_action[] = { - "ignored", - "warn", - "fixup", - "fixup+warn", - "signal", - "signal+warn" -}; - /* Return true if and only if the ARMv6 unaligned access model is in use. */ static bool cpu_is_v6_unaligned(void) { @@ -123,6 +113,16 @@ static int safe_usermode(int new_usermode, bool warn) return new_usermode; } +#ifdef CONFIG_PROC_FS +static const char *usermode_action[] = { + "ignored", + "warn", + "fixup", + "fixup+warn", + "signal", + "signal+warn" +}; + static int alignment_proc_show(struct seq_file *m, void *v) { seq_printf(m, "User:\t\t%lu\n", ai_user); diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c index 9ecfdb5..3f9b998 100644 --- a/arch/arm/mm/cache-l2x0.c +++ b/arch/arm/mm/cache-l2x0.c @@ -16,9 +16,12 @@ * 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/err.h> #include <linux/init.h> #include <linux/spinlock.h> #include <linux/io.h> +#include <linux/of.h> +#include <linux/of_address.h> #include <asm/cacheflush.h> #include <asm/hardware/cache-l2x0.h> @@ -30,11 +33,19 @@ static DEFINE_SPINLOCK(l2x0_lock); static uint32_t l2x0_way_mask; /* Bitmask of active ways */ static uint32_t l2x0_size; +struct l2x0_regs l2x0_saved_regs; + +struct l2x0_of_data { + void (*setup)(const struct device_node *, __u32 *, __u32 *); + void (*save)(void); + void (*resume)(void); +}; + static inline void cache_wait_way(void __iomem *reg, unsigned long mask) { /* wait for cache operation by line or way to complete */ while (readl_relaxed(reg) & mask) - ; + cpu_relax(); } #ifdef CONFIG_CACHE_PL310 @@ -277,7 +288,7 @@ static void l2x0_disable(void) spin_unlock_irqrestore(&l2x0_lock, flags); } -static void __init l2x0_unlock(__u32 cache_id) +static void l2x0_unlock(__u32 cache_id) { int lockregs; int i; @@ -353,6 +364,8 @@ void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask) /* l2x0 controller is disabled */ writel_relaxed(aux, l2x0_base + L2X0_AUX_CTRL); + l2x0_saved_regs.aux_ctrl = aux; + l2x0_inv_all(); /* enable L2X0 */ @@ -372,3 +385,202 @@ void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask) printk(KERN_INFO "l2x0: %d ways, CACHE_ID 0x%08x, AUX_CTRL 0x%08x, Cache size: %d B\n", ways, cache_id, aux, l2x0_size); } + +#ifdef CONFIG_OF +static void __init l2x0_of_setup(const struct device_node *np, + __u32 *aux_val, __u32 *aux_mask) +{ + u32 data[2] = { 0, 0 }; + u32 tag = 0; + u32 dirty = 0; + u32 val = 0, mask = 0; + + of_property_read_u32(np, "arm,tag-latency", &tag); + if (tag) { + mask |= L2X0_AUX_CTRL_TAG_LATENCY_MASK; + val |= (tag - 1) << L2X0_AUX_CTRL_TAG_LATENCY_SHIFT; + } + + of_property_read_u32_array(np, "arm,data-latency", + data, ARRAY_SIZE(data)); + if (data[0] && data[1]) { + mask |= L2X0_AUX_CTRL_DATA_RD_LATENCY_MASK | + L2X0_AUX_CTRL_DATA_WR_LATENCY_MASK; + val |= ((data[0] - 1) << L2X0_AUX_CTRL_DATA_RD_LATENCY_SHIFT) | + ((data[1] - 1) << L2X0_AUX_CTRL_DATA_WR_LATENCY_SHIFT); + } + + of_property_read_u32(np, "arm,dirty-latency", &dirty); + if (dirty) { + mask |= L2X0_AUX_CTRL_DIRTY_LATENCY_MASK; + val |= (dirty - 1) << L2X0_AUX_CTRL_DIRTY_LATENCY_SHIFT; + } + + *aux_val &= ~mask; + *aux_val |= val; + *aux_mask &= ~mask; +} + +static void __init pl310_of_setup(const struct device_node *np, + __u32 *aux_val, __u32 *aux_mask) +{ + u32 data[3] = { 0, 0, 0 }; + u32 tag[3] = { 0, 0, 0 }; + u32 filter[2] = { 0, 0 }; + + of_property_read_u32_array(np, "arm,tag-latency", tag, ARRAY_SIZE(tag)); + if (tag[0] && tag[1] && tag[2]) + writel_relaxed( + ((tag[0] - 1) << L2X0_LATENCY_CTRL_RD_SHIFT) | + ((tag[1] - 1) << L2X0_LATENCY_CTRL_WR_SHIFT) | + ((tag[2] - 1) << L2X0_LATENCY_CTRL_SETUP_SHIFT), + l2x0_base + L2X0_TAG_LATENCY_CTRL); + + of_property_read_u32_array(np, "arm,data-latency", + data, ARRAY_SIZE(data)); + if (data[0] && data[1] && data[2]) + writel_relaxed( + ((data[0] - 1) << L2X0_LATENCY_CTRL_RD_SHIFT) | + ((data[1] - 1) << L2X0_LATENCY_CTRL_WR_SHIFT) | + ((data[2] - 1) << L2X0_LATENCY_CTRL_SETUP_SHIFT), + l2x0_base + L2X0_DATA_LATENCY_CTRL); + + of_property_read_u32_array(np, "arm,filter-ranges", + filter, ARRAY_SIZE(filter)); + if (filter[1]) { + writel_relaxed(ALIGN(filter[0] + filter[1], SZ_1M), + l2x0_base + L2X0_ADDR_FILTER_END); + writel_relaxed((filter[0] & ~(SZ_1M - 1)) | L2X0_ADDR_FILTER_EN, + l2x0_base + L2X0_ADDR_FILTER_START); + } +} + +static void __init pl310_save(void) +{ + u32 l2x0_revision = readl_relaxed(l2x0_base + L2X0_CACHE_ID) & + L2X0_CACHE_ID_RTL_MASK; + + l2x0_saved_regs.tag_latency = readl_relaxed(l2x0_base + + L2X0_TAG_LATENCY_CTRL); + l2x0_saved_regs.data_latency = readl_relaxed(l2x0_base + + L2X0_DATA_LATENCY_CTRL); + l2x0_saved_regs.filter_end = readl_relaxed(l2x0_base + + L2X0_ADDR_FILTER_END); + l2x0_saved_regs.filter_start = readl_relaxed(l2x0_base + + L2X0_ADDR_FILTER_START); + + if (l2x0_revision >= L2X0_CACHE_ID_RTL_R2P0) { + /* + * From r2p0, there is Prefetch offset/control register + */ + l2x0_saved_regs.prefetch_ctrl = readl_relaxed(l2x0_base + + L2X0_PREFETCH_CTRL); + /* + * From r3p0, there is Power control register + */ + if (l2x0_revision >= L2X0_CACHE_ID_RTL_R3P0) + l2x0_saved_regs.pwr_ctrl = readl_relaxed(l2x0_base + + L2X0_POWER_CTRL); + } +} + +static void l2x0_resume(void) +{ + if (!(readl_relaxed(l2x0_base + L2X0_CTRL) & 1)) { + /* restore aux ctrl and enable l2 */ + l2x0_unlock(readl_relaxed(l2x0_base + L2X0_CACHE_ID)); + + writel_relaxed(l2x0_saved_regs.aux_ctrl, l2x0_base + + L2X0_AUX_CTRL); + + l2x0_inv_all(); + + writel_relaxed(1, l2x0_base + L2X0_CTRL); + } +} + +static void pl310_resume(void) +{ + u32 l2x0_revision; + + if (!(readl_relaxed(l2x0_base + L2X0_CTRL) & 1)) { + /* restore pl310 setup */ + writel_relaxed(l2x0_saved_regs.tag_latency, + l2x0_base + L2X0_TAG_LATENCY_CTRL); + writel_relaxed(l2x0_saved_regs.data_latency, + l2x0_base + L2X0_DATA_LATENCY_CTRL); + writel_relaxed(l2x0_saved_regs.filter_end, + l2x0_base + L2X0_ADDR_FILTER_END); + writel_relaxed(l2x0_saved_regs.filter_start, + l2x0_base + L2X0_ADDR_FILTER_START); + + l2x0_revision = readl_relaxed(l2x0_base + L2X0_CACHE_ID) & + L2X0_CACHE_ID_RTL_MASK; + + if (l2x0_revision >= L2X0_CACHE_ID_RTL_R2P0) { + writel_relaxed(l2x0_saved_regs.prefetch_ctrl, + l2x0_base + L2X0_PREFETCH_CTRL); + if (l2x0_revision >= L2X0_CACHE_ID_RTL_R3P0) + writel_relaxed(l2x0_saved_regs.pwr_ctrl, + l2x0_base + L2X0_POWER_CTRL); + } + } + + l2x0_resume(); +} + +static const struct l2x0_of_data pl310_data = { + pl310_of_setup, + pl310_save, + pl310_resume, +}; + +static const struct l2x0_of_data l2x0_data = { + l2x0_of_setup, + NULL, + l2x0_resume, +}; + +static const struct of_device_id l2x0_ids[] __initconst = { + { .compatible = "arm,pl310-cache", .data = (void *)&pl310_data }, + { .compatible = "arm,l220-cache", .data = (void *)&l2x0_data }, + { .compatible = "arm,l210-cache", .data = (void *)&l2x0_data }, + {} +}; + +int __init l2x0_of_init(__u32 aux_val, __u32 aux_mask) +{ + struct device_node *np; + struct l2x0_of_data *data; + struct resource res; + + np = of_find_matching_node(NULL, l2x0_ids); + if (!np) + return -ENODEV; + + if (of_address_to_resource(np, 0, &res)) + return -ENODEV; + + l2x0_base = ioremap(res.start, resource_size(&res)); + if (!l2x0_base) + return -ENOMEM; + + l2x0_saved_regs.phy_base = res.start; + + data = of_match_node(l2x0_ids, np)->data; + + /* L2 configuration can only be changed if the cache is disabled */ + if (!(readl_relaxed(l2x0_base + L2X0_CTRL) & 1)) { + if (data->setup) + data->setup(np, &aux_val, &aux_mask); + } + + if (data->save) + data->save(); + + l2x0_init(l2x0_base, aux_val, aux_mask); + + outer_cache.resume = data->resume; + return 0; +} +#endif diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index c3ff82f..235eb77 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -123,8 +123,8 @@ static void __dma_free_buffer(struct page *page, size_t size) #endif #define CONSISTENT_OFFSET(x) (((unsigned long)(x) - CONSISTENT_BASE) >> PAGE_SHIFT) -#define CONSISTENT_PTE_INDEX(x) (((unsigned long)(x) - CONSISTENT_BASE) >> PGDIR_SHIFT) -#define NUM_CONSISTENT_PTES (CONSISTENT_DMA_SIZE >> PGDIR_SHIFT) +#define CONSISTENT_PTE_INDEX(x) (((unsigned long)(x) - CONSISTENT_BASE) >> PMD_SHIFT) +#define NUM_CONSISTENT_PTES (CONSISTENT_DMA_SIZE >> PMD_SHIFT) /* * These are the page tables (2MB each) covering uncached, DMA consistent allocations @@ -183,7 +183,7 @@ static int __init consistent_init(void) } consistent_pte[i++] = pte; - base += (1 << PGDIR_SHIFT); + base += PMD_SIZE; } while (base < CONSISTENT_END); return ret; diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c index 3b5ea68..aa33949 100644 --- a/arch/arm/mm/fault.c +++ b/arch/arm/mm/fault.c @@ -20,6 +20,7 @@ #include <linux/highmem.h> #include <linux/perf_event.h> +#include <asm/exception.h> #include <asm/system.h> #include <asm/pgtable.h> #include <asm/tlbflush.h> diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c index ab50627..bdb248c 100644 --- a/arch/arm/mm/ioremap.c +++ b/arch/arm/mm/ioremap.c @@ -289,6 +289,27 @@ __arm_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype) } EXPORT_SYMBOL(__arm_ioremap); +/* + * Remap an arbitrary physical address space into the kernel virtual + * address space as memory. Needed when the kernel wants to execute + * code in external memory. This is needed for reprogramming source + * clocks that would affect normal memory for example. Please see + * CONFIG_GENERIC_ALLOCATOR for allocating external memory. + */ +void __iomem * +__arm_ioremap_exec(unsigned long phys_addr, size_t size, bool cached) +{ + unsigned int mtype; + + if (cached) + mtype = MT_MEMORY; + else + mtype = MT_MEMORY_NONCACHED; + + return __arm_ioremap_caller(phys_addr, size, mtype, + __builtin_return_address(0)); +} + void __iounmap(volatile void __iomem *io_addr) { void *addr = (void *)(PAGE_MASK & (unsigned long)io_addr); diff --git a/arch/arm/mm/mm.h b/arch/arm/mm/mm.h index 0105667..ad7cce3 100644 --- a/arch/arm/mm/mm.h +++ b/arch/arm/mm/mm.h @@ -12,8 +12,8 @@ static inline pmd_t *pmd_off_k(unsigned long virt) struct mem_type { pteval_t prot_pte; - unsigned int prot_l1; - unsigned int prot_sect; + pmdval_t prot_l1; + pmdval_t prot_sect; unsigned int domain; }; diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 594d677..226f180 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -60,7 +60,7 @@ EXPORT_SYMBOL(pgprot_kernel); struct cachepolicy { const char policy[16]; unsigned int cr_mask; - unsigned int pmd; + pmdval_t pmd; pteval_t pte; }; @@ -288,7 +288,7 @@ static void __init build_mem_type_table(void) { struct cachepolicy *cp; unsigned int cr = get_cr(); - unsigned int user_pgprot, kern_pgprot, vecs_pgprot; + pteval_t user_pgprot, kern_pgprot, vecs_pgprot; int cpu_arch = cpu_architecture(); int i; @@ -863,14 +863,14 @@ static inline void prepare_page_table(void) /* * Clear out all the mappings below the kernel image. */ - for (addr = 0; addr < MODULES_VADDR; addr += PGDIR_SIZE) + for (addr = 0; addr < MODULES_VADDR; addr += PMD_SIZE) pmd_clear(pmd_off_k(addr)); #ifdef CONFIG_XIP_KERNEL /* The XIP kernel is mapped in the module area -- skip over it */ - addr = ((unsigned long)_etext + PGDIR_SIZE - 1) & PGDIR_MASK; + addr = ((unsigned long)_etext + PMD_SIZE - 1) & PMD_MASK; #endif - for ( ; addr < PAGE_OFFSET; addr += PGDIR_SIZE) + for ( ; addr < PAGE_OFFSET; addr += PMD_SIZE) pmd_clear(pmd_off_k(addr)); /* @@ -885,10 +885,12 @@ static inline void prepare_page_table(void) * memory bank, up to the end of the vmalloc region. */ for (addr = __phys_to_virt(end); - addr < VMALLOC_END; addr += PGDIR_SIZE) + addr < VMALLOC_END; addr += PMD_SIZE) pmd_clear(pmd_off_k(addr)); } +#define SWAPPER_PG_DIR_SIZE (PTRS_PER_PGD * sizeof(pgd_t)) + /* * Reserve the special regions of memory */ @@ -898,7 +900,7 @@ void __init arm_mm_memblock_reserve(void) * Reserve the page tables. These are already in use, * and can only be in node 0. */ - memblock_reserve(__pa(swapper_pg_dir), PTRS_PER_PGD * sizeof(pgd_t)); + memblock_reserve(__pa(swapper_pg_dir), SWAPPER_PG_DIR_SIZE); #ifdef CONFIG_SA1111 /* @@ -926,7 +928,7 @@ static void __init devicemaps_init(struct machine_desc *mdesc) */ vectors_page = early_alloc(PAGE_SIZE); - for (addr = VMALLOC_END; addr; addr += PGDIR_SIZE) + for (addr = VMALLOC_END; addr; addr += PMD_SIZE) pmd_clear(pmd_off_k(addr)); /* diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S index 9049c0764..9591c8e 100644 --- a/arch/arm/mm/proc-v7.S +++ b/arch/arm/mm/proc-v7.S @@ -218,7 +218,7 @@ ENDPROC(cpu_v7_set_pte_ext) /* Suspend/resume support: derived from arch/arm/mach-s5pv210/sleep.S */ .globl cpu_v7_suspend_size .equ cpu_v7_suspend_size, 4 * 9 -#ifdef CONFIG_PM_SLEEP +#ifdef CONFIG_ARM_CPU_SUSPEND ENTRY(cpu_v7_do_suspend) stmfd sp!, {r4 - r11, lr} mrc p15, 0, r4, c13, c0, 0 @ FCSE/PID diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig index bb8f4a6..5b605a9 100644 --- a/arch/arm/plat-omap/Kconfig +++ b/arch/arm/plat-omap/Kconfig @@ -14,6 +14,7 @@ config ARCH_OMAP1 select CLKDEV_LOOKUP select CLKSRC_MMIO select GENERIC_IRQ_CHIP + select HAVE_IDE help "Systems based on omap7xx, omap15xx or omap16xx" diff --git a/arch/arm/tools/mach-types b/arch/arm/tools/mach-types index 62cc8f9..5bdeef9 100644 --- a/arch/arm/tools/mach-types +++ b/arch/arm/tools/mach-types @@ -12,10 +12,9 @@ # # http://www.arm.linux.org.uk/developer/machines/?action=new # -# XXX: This is a cut-down version of the file; it contains only machines that -# XXX: are in mainline or have been submitted to the machine database within -# XXX: the last 12 months. If your entry is missing please email rmk at -# XXX: <linux@arm.linux.org.uk> +# This is a cut-down version of the file; it contains only machines that +# are merged into mainline or have been edited in the machine database +# within the last 12 months. References to machine_is_NAME() do not count! # # Last update: Sat May 7 08:48:24 2011 # @@ -65,6 +64,7 @@ h7201 ARCH_H7201 H7201 161 h7202 ARCH_H7202 H7202 162 iq80321 ARCH_IQ80321 IQ80321 169 ks8695 ARCH_KS8695 KS8695 180 +karo ARCH_KARO KARO 190 smdk2410 ARCH_SMDK2410 SMDK2410 193 ceiva ARCH_CEIVA CEIVA 200 voiceblue MACH_VOICEBLUE VOICEBLUE 218 @@ -188,6 +188,7 @@ omap_2430sdp MACH_OMAP_2430SDP OMAP_2430SDP 900 davinci_evm MACH_DAVINCI_EVM DAVINCI_EVM 901 palmz72 MACH_PALMZ72 PALMZ72 904 nxdb500 MACH_NXDB500 NXDB500 905 +apf9328 MACH_APF9328 APF9328 906 palmt5 MACH_PALMT5 PALMT5 917 palmtc MACH_PALMTC PALMTC 918 omap_apollon MACH_OMAP_APOLLON OMAP_APOLLON 919 @@ -271,10 +272,12 @@ pcm038 MACH_PCM038 PCM038 1551 ts_x09 MACH_TS209 TS209 1565 at91cap9adk MACH_AT91CAP9ADK AT91CAP9ADK 1566 mx31moboard MACH_MX31MOBOARD MX31MOBOARD 1574 +vision_ep9307 MACH_VISION_EP9307 VISION_EP9307 1578 terastation_pro2 MACH_TERASTATION_PRO2 TERASTATION_PRO2 1584 linkstation_pro MACH_LINKSTATION_PRO LINKSTATION_PRO 1585 e350 MACH_E350 E350 1596 ts409 MACH_TS409 TS409 1601 +rsi_ews MACH_RSI_EWS RSI_EWS 1609 cm_x300 MACH_CM_X300 CM_X300 1616 at91sam9g20ek MACH_AT91SAM9G20EK AT91SAM9G20EK 1624 smdk6410 MACH_SMDK6410 SMDK6410 1626 @@ -331,6 +334,7 @@ smdkc100 MACH_SMDKC100 SMDKC100 1826 tavorevb MACH_TAVOREVB TAVOREVB 1827 saar MACH_SAAR SAAR 1828 at91sam9m10g45ek MACH_AT91SAM9M10G45EK AT91SAM9M10G45EK 1830 +usb_a9g20 MACH_USB_A9G20 USB_A9G20 1841 mxlads MACH_MXLADS MXLADS 1851 linkstation_mini MACH_LINKSTATION_MINI LINKSTATION_MINI 1858 afeb9260 MACH_AFEB9260 AFEB9260 1859 @@ -369,6 +373,7 @@ pcm043 MACH_PCM043 PCM043 2072 sheevaplug MACH_SHEEVAPLUG SHEEVAPLUG 2097 avengers_lite MACH_AVENGERS_LITE AVENGERS_LITE 2104 mx51_babbage MACH_MX51_BABBAGE MX51_BABBAGE 2125 +tx37 MACH_TX37 TX37 2127 rd78x00_masa MACH_RD78X00_MASA RD78X00_MASA 2135 dm355_leopard MACH_DM355_LEOPARD DM355_LEOPARD 2138 ts219 MACH_TS219 TS219 2139 @@ -379,6 +384,7 @@ omap_4430sdp MACH_OMAP_4430SDP OMAP_4430SDP 2160 magx_zn5 MACH_MAGX_ZN5 MAGX_ZN5 2162 btmavb101 MACH_BTMAVB101 BTMAVB101 2172 btmawb101 MACH_BTMAWB101 BTMAWB101 2173 +tx25 MACH_TX25 TX25 2177 omap3_torpedo MACH_OMAP3_TORPEDO OMAP3_TORPEDO 2178 anw6410 MACH_ANW6410 ANW6410 2183 imx27_visstrim_m10 MACH_IMX27_VISSTRIM_M10 IMX27_VISSTRIM_M10 2187 @@ -423,6 +429,7 @@ raumfeld_rc MACH_RAUMFELD_RC RAUMFELD_RC 2413 raumfeld_connector MACH_RAUMFELD_CONNECTOR RAUMFELD_CONNECTOR 2414 raumfeld_speaker MACH_RAUMFELD_SPEAKER RAUMFELD_SPEAKER 2415 tnetv107x MACH_TNETV107X TNETV107X 2418 +mx51_m2id MACH_MX51_M2ID MX51_M2ID 2428 smdkv210 MACH_SMDKV210 SMDKV210 2456 omap_zoom3 MACH_OMAP_ZOOM3 OMAP_ZOOM3 2464 omap_3630sdp MACH_OMAP_3630SDP OMAP_3630SDP 2465 @@ -433,14 +440,17 @@ omapl138_hawkboard MACH_OMAPL138_HAWKBOARD OMAPL138_HAWKBOARD 2495 ts41x MACH_TS41X TS41X 2502 phy3250 MACH_PHY3250 PHY3250 2511 mini6410 MACH_MINI6410 MINI6410 2520 +tx51 MACH_TX51 TX51 2529 mx28evk MACH_MX28EVK MX28EVK 2531 smartq5 MACH_SMARTQ5 SMARTQ5 2534 davinci_dm6467tevm MACH_DAVINCI_DM6467TEVM DAVINCI_DM6467TEVM 2548 mxt_td60 MACH_MXT_TD60 MXT_TD60 2550 riot_bei2 MACH_RIOT_BEI2 RIOT_BEI2 2576 riot_x37 MACH_RIOT_X37 RIOT_X37 2578 +pca101 MACH_PCA101 PCA101 2595 capc7117 MACH_CAPC7117 CAPC7117 2612 icontrol MACH_ICONTROL ICONTROL 2624 +gplugd MACH_GPLUGD GPLUGD 2625 qsd8x50a_st1_5 MACH_QSD8X50A_ST1_5 QSD8X50A_ST1_5 2627 mx23evk MACH_MX23EVK MX23EVK 2629 ap4evb MACH_AP4EVB AP4EVB 2630 @@ -1113,3 +1123,5 @@ blissc MACH_BLISSC BLISSC 3491 thales_adc MACH_THALES_ADC THALES_ADC 3492 ubisys_p9d_evp MACH_UBISYS_P9D_EVP UBISYS_P9D_EVP 3493 atdgp318 MACH_ATDGP318 ATDGP318 3494 +smdk4212 MACH_SMDK4212 SMDK4212 3638 +smdk4412 MACH_SMDK4412 SMDK4412 3765 diff --git a/arch/arm/vfp/Makefile b/arch/arm/vfp/Makefile index 6de73aa..a81404c 100644 --- a/arch/arm/vfp/Makefile +++ b/arch/arm/vfp/Makefile @@ -7,7 +7,7 @@ # ccflags-y := -DDEBUG # asflags-y := -DDEBUG -KBUILD_AFLAGS :=$(KBUILD_AFLAGS:-msoft-float=-Wa,-mfpu=softvfp+vfp) +KBUILD_AFLAGS :=$(KBUILD_AFLAGS:-msoft-float=-Wa,-mfpu=softvfp+vfp -mfloat-abi=soft) LDFLAGS +=--no-warn-mismatch obj-y += vfp.o diff --git a/drivers/pcmcia/sa1100_simpad.c b/drivers/pcmcia/sa1100_simpad.c index c998f7a..0fac965 100644 --- a/drivers/pcmcia/sa1100_simpad.c +++ b/drivers/pcmcia/sa1100_simpad.c @@ -15,10 +15,6 @@ #include <mach/simpad.h> #include "sa1100_generic.h" -extern long get_cs3_shadow(void); -extern void set_cs3_bit(int value); -extern void clear_cs3_bit(int value); - static struct pcmcia_irqs irqs[] = { { 1, IRQ_GPIO_CF_CD, "CF_CD" }, }; @@ -26,7 +22,7 @@ static struct pcmcia_irqs irqs[] = { static int simpad_pcmcia_hw_init(struct soc_pcmcia_socket *skt) { - clear_cs3_bit(VCC_3V_EN|VCC_5V_EN|EN0|EN1); + simpad_clear_cs3_bit(VCC_3V_EN|VCC_5V_EN|EN0|EN1); skt->socket.pci_irq = IRQ_GPIO_CF_IRQ; @@ -38,8 +34,8 @@ static void simpad_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs)); /* Disable CF bus: */ - //set_cs3_bit(PCMCIA_BUFF_DIS); - clear_cs3_bit(PCMCIA_RESET); + /*simpad_set_cs3_bit(PCMCIA_BUFF_DIS);*/ + simpad_clear_cs3_bit(PCMCIA_RESET); } static void @@ -47,15 +43,16 @@ simpad_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state) { unsigned long levels = GPLR; - long cs3reg = get_cs3_shadow(); + long cs3reg = simpad_get_cs3_ro(); state->detect=((levels & GPIO_CF_CD)==0)?1:0; state->ready=(levels & GPIO_CF_IRQ)?1:0; - state->bvd1=1; /* Not available on Simpad. */ - state->bvd2=1; /* Not available on Simpad. */ + state->bvd1 = 1; /* Might be cs3reg & PCMCIA_BVD1 */ + state->bvd2 = 1; /* Might be cs3reg & PCMCIA_BVD2 */ state->wrprot=0; /* Not available on Simpad. */ - - if((cs3reg & 0x0c) == 0x0c) { + + if ((cs3reg & (PCMCIA_VS1|PCMCIA_VS2)) == + (PCMCIA_VS1|PCMCIA_VS2)) { state->vs_3v=0; state->vs_Xv=0; } else { @@ -75,23 +72,23 @@ simpad_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, /* Murphy: see table of MIC2562a-1 */ switch (state->Vcc) { case 0: - clear_cs3_bit(VCC_3V_EN|VCC_5V_EN|EN0|EN1); + simpad_clear_cs3_bit(VCC_3V_EN|VCC_5V_EN|EN0|EN1); break; case 33: - clear_cs3_bit(VCC_3V_EN|EN1); - set_cs3_bit(VCC_5V_EN|EN0); + simpad_clear_cs3_bit(VCC_3V_EN|EN1); + simpad_set_cs3_bit(VCC_5V_EN|EN0); break; case 50: - clear_cs3_bit(VCC_5V_EN|EN1); - set_cs3_bit(VCC_3V_EN|EN0); + simpad_clear_cs3_bit(VCC_5V_EN|EN1); + simpad_set_cs3_bit(VCC_3V_EN|EN0); break; default: printk(KERN_ERR "%s(): unrecognized Vcc %u\n", __func__, state->Vcc); - clear_cs3_bit(VCC_3V_EN|VCC_5V_EN|EN0|EN1); + simpad_clear_cs3_bit(VCC_3V_EN|VCC_5V_EN|EN0|EN1); local_irq_restore(flags); return -1; } @@ -110,7 +107,7 @@ static void simpad_pcmcia_socket_init(struct soc_pcmcia_socket *skt) static void simpad_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) { soc_pcmcia_disable_irqs(skt, irqs, ARRAY_SIZE(irqs)); - set_cs3_bit(PCMCIA_RESET); + simpad_set_cs3_bit(PCMCIA_RESET); } static struct pcmcia_low_level simpad_pcmcia_ops = { diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index c0cb9c4..103c171 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1081,7 +1081,7 @@ config FAULT_INJECTION_STACKTRACE_FILTER depends on FAULT_INJECTION_DEBUG_FS && STACKTRACE_SUPPORT depends on !X86_64 select STACKTRACE - select FRAME_POINTER if !PPC && !S390 && !MICROBLAZE + select FRAME_POINTER if !PPC && !S390 && !MICROBLAZE && !ARM_UNWIND help Provide stacktrace filter for fault-injection capabilities @@ -1091,7 +1091,7 @@ config LATENCYTOP depends on DEBUG_KERNEL depends on STACKTRACE_SUPPORT depends on PROC_FS - select FRAME_POINTER if !MIPS && !PPC && !S390 && !MICROBLAZE + select FRAME_POINTER if !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM_UNWIND select KALLSYMS select KALLSYMS_ALL select STACKTRACE |
