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Commit 42cd71bf authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm 

* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (137 commits)
  ARM: bcmring: convert to use sp804 clockevents
  ARM: bcmring: convert to sp804 clocksource
  ARM: 6912/1: bcmring: Add clkdev table in init_early
  clockevents: ARM sp804: obtain sp804 timer rate via clks
  clockevents: ARM sp804: allow clockevent name to be specified
  clocksource: ARM sp804: obtain sp804 timer rate via clks
  clocksource: ARM sp804: allow clocksource name to be specified
  clocksource: convert OMAP1 to 32-bit down counting clocksource
  clocksource: convert MXS timrotv2 to 32-bit down counting clocksource
  clocksource: convert SPEAr platforms 16-bit up counting clocksource
  clocksource: convert Integrator/AP 16-bit down counting clocksource
  clocksource: convert W90x900 24-bit down counting clocksource
  clocksource: convert ARM 32-bit down counting clocksources
  clocksource: convert ARM 32-bit up counting clocksources
  clocksource: add common mmio clocksource
  ARM: update sa1100 to reflect PXA updates
  ARM: omap1: convert to using readl/writel instead of volatile struct
  ARM: omap1: delete useless interrupt handler
  ARM: s5p: consolidate selection of timer register
  ARM: 6939/1: fix missing 'cpu_relax()' declaration
  ...
parents f5039935 9a55d975

arch/arm/Kconfig

+50 −39
Original line number Diff line number Diff line
@@ -197,15 +197,21 @@ config ARM_PATCH_PHYS_VIRT 
	depends on !XIP_KERNEL && MMU

	depends on !ARCH_REALVIEW || !SPARSEMEM

	help

	  Patch phys-to-virt translation functions at runtime according to

	  the position of the kernel in system memory.

	  Patch phys-to-virt and virt-to-phys translation functions at

	  boot and module load time according to the position of the

	  kernel in system memory.



	  This can only be used with non-XIP with MMU kernels where

	  the base of physical memory is at a 16MB boundary.

	  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.



config ARM_PATCH_PHYS_VIRT_16BIT

	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.



source "init/Kconfig"
@@ -297,6 +303,7 @@ config ARCH_BCMRING 
	depends on MMU

	select CPU_V6

	select ARM_AMBA

	select ARM_TIMER_SP804

	select CLKDEV_LOOKUP

	select GENERIC_CLOCKEVENTS

	select ARCH_WANT_OPTIONAL_GPIOLIB
@@ -366,6 +373,7 @@ config ARCH_MXC 
	select GENERIC_CLOCKEVENTS

	select ARCH_REQUIRE_GPIOLIB

	select CLKDEV_LOOKUP

	select CLKSRC_MMIO

	select HAVE_SCHED_CLOCK

	help

	  Support for Freescale MXC/iMX-based family of processors
@@ -375,21 +383,13 @@ config ARCH_MXS 
	select GENERIC_CLOCKEVENTS

	select ARCH_REQUIRE_GPIOLIB

	select CLKDEV_LOOKUP

	select CLKSRC_MMIO

	help

	  Support for Freescale MXS-based family of processors



config ARCH_STMP3XXX

	bool "Freescale STMP3xxx"

	select CPU_ARM926T

	select CLKDEV_LOOKUP

	select ARCH_REQUIRE_GPIOLIB

	select GENERIC_CLOCKEVENTS

	select USB_ARCH_HAS_EHCI

	help

	  Support for systems based on the Freescale 3xxx CPUs.



config ARCH_NETX

	bool "Hilscher NetX based"

	select CLKSRC_MMIO

	select CPU_ARM926T

	select ARM_VIC

	select GENERIC_CLOCKEVENTS
@@ -457,6 +457,7 @@ config ARCH_IXP2000 
config ARCH_IXP4XX

	bool "IXP4xx-based"

	depends on MMU

	select CLKSRC_MMIO

	select CPU_XSCALE

	select GENERIC_GPIO

	select GENERIC_CLOCKEVENTS
@@ -468,7 +469,7 @@ config ARCH_IXP4XX 


config ARCH_DOVE

	bool "Marvell Dove"

	select CPU_V6K

	select CPU_V7

	select PCI

	select ARCH_REQUIRE_GPIOLIB

	select GENERIC_CLOCKEVENTS
@@ -497,6 +498,7 @@ config ARCH_LOKI 


config ARCH_LPC32XX

	bool "NXP LPC32XX"

	select CLKSRC_MMIO

	select CPU_ARM926T

	select ARCH_REQUIRE_GPIOLIB

	select HAVE_IDE
@@ -554,23 +556,12 @@ config ARCH_KS8695 
	  Support for Micrel/Kendin KS8695 "Centaur" (ARM922T) based

	  System-on-Chip devices.



config ARCH_NS9XXX

	bool "NetSilicon NS9xxx"

	select CPU_ARM926T

	select GENERIC_GPIO

	select GENERIC_CLOCKEVENTS

	select HAVE_CLK

	help

	  Say Y here if you intend to run this kernel on a NetSilicon NS9xxx

	  System.



	  <http://www.digi.com/products/microprocessors/index.jsp>



config ARCH_W90X900

	bool "Nuvoton W90X900 CPU"

	select CPU_ARM926T

	select ARCH_REQUIRE_GPIOLIB

	select CLKDEV_LOOKUP

	select CLKSRC_MMIO

	select GENERIC_CLOCKEVENTS

	help

	  Support for Nuvoton (Winbond logic dept.) ARM9 processor,
@@ -592,6 +583,7 @@ config ARCH_NUC93X 
config ARCH_TEGRA

	bool "NVIDIA Tegra"

	select CLKDEV_LOOKUP

	select CLKSRC_MMIO

	select GENERIC_TIME

	select GENERIC_CLOCKEVENTS

	select GENERIC_GPIO
@@ -617,6 +609,7 @@ config ARCH_PXA 
	select ARCH_MTD_XIP

	select ARCH_HAS_CPUFREQ

	select CLKDEV_LOOKUP

	select CLKSRC_MMIO

	select ARCH_REQUIRE_GPIOLIB

	select GENERIC_CLOCKEVENTS

	select HAVE_SCHED_CLOCK
@@ -667,6 +660,7 @@ config ARCH_RPC 


config ARCH_SA1100

	bool "SA1100-based"

	select CLKSRC_MMIO

	select CPU_SA1100

	select ISA

	select ARCH_SPARSEMEM_ENABLE
@@ -803,6 +797,7 @@ config ARCH_SHARK 


config ARCH_TCC_926

	bool "Telechips TCC ARM926-based systems"

	select CLKSRC_MMIO

	select CPU_ARM926T

	select HAVE_CLK

	select CLKDEV_LOOKUP
@@ -813,6 +808,7 @@ config ARCH_TCC_926 
config ARCH_U300

	bool "ST-Ericsson U300 Series"

	depends on MMU

	select CLKSRC_MMIO

	select CPU_ARM926T

	select HAVE_SCHED_CLOCK

	select HAVE_TCM
@@ -854,6 +850,7 @@ config ARCH_DAVINCI 
	select HAVE_IDE

	select CLKDEV_LOOKUP

	select GENERIC_ALLOCATOR

	select GENERIC_IRQ_CHIP

	select ARCH_HAS_HOLES_MEMORYMODEL

	help

	  Support for TI's DaVinci platform.
@@ -874,6 +871,7 @@ config PLAT_SPEAR 
	select ARM_AMBA

	select ARCH_REQUIRE_GPIOLIB

	select CLKDEV_LOOKUP

	select CLKSRC_MMIO

	select GENERIC_CLOCKEVENTS

	select HAVE_CLK

	help
@@ -951,8 +949,6 @@ source "arch/arm/mach-netx/Kconfig" 
source "arch/arm/mach-nomadik/Kconfig"

source "arch/arm/plat-nomadik/Kconfig"



source "arch/arm/mach-ns9xxx/Kconfig"



source "arch/arm/mach-nuc93x/Kconfig"



source "arch/arm/plat-omap/Kconfig"
@@ -1005,8 +1001,6 @@ source "arch/arm/mach-exynos4/Kconfig" 


source "arch/arm/mach-shmobile/Kconfig"



source "arch/arm/plat-stmp3xxx/Kconfig"



source "arch/arm/mach-tegra/Kconfig"



source "arch/arm/mach-u300/Kconfig"
@@ -1033,6 +1027,8 @@ config PLAT_IOP 


config PLAT_ORION

	bool

	select CLKSRC_MMIO

	select GENERIC_IRQ_CHIP

	select HAVE_SCHED_CLOCK



config PLAT_PXA
@@ -1043,6 +1039,7 @@ config PLAT_VERSATILE 


config ARM_TIMER_SP804

	bool

	select CLKSRC_MMIO



source arch/arm/mm/Kconfig
@@ -1318,8 +1315,7 @@ menu "Kernel Features" 
source "kernel/time/Kconfig"



config SMP

	bool "Symmetric Multi-Processing (EXPERIMENTAL)"

	depends on EXPERIMENTAL

	bool "Symmetric Multi-Processing"

	depends on CPU_V6K || CPU_V7

	depends on GENERIC_CLOCKEVENTS

	depends on REALVIEW_EB_ARM11MP || REALVIEW_EB_A9MP || \
@@ -1521,8 +1517,8 @@ config ARCH_SELECT_MEMORY_MODEL 
	def_bool ARCH_SPARSEMEM_ENABLE



config HIGHMEM

	bool "High Memory Support (EXPERIMENTAL)"

	depends on MMU && EXPERIMENTAL

	bool "High Memory Support"

	depends on MMU

	help

	  The address space of ARM processors is only 4 Gigabytes large

	  and it has to accommodate user address space, kernel address
@@ -1742,16 +1738,31 @@ config CMDLINE 
	  time by entering them here. As a minimum, you should specify the

	  memory size and the root device (e.g., mem=64M root=/dev/nfs).



choice

	prompt "Kernel command line type" if CMDLINE != ""

	default CMDLINE_FROM_BOOTLOADER



config CMDLINE_FROM_BOOTLOADER

	bool "Use bootloader kernel arguments if available"

	help

	  Uses the command-line options passed by the boot loader. If

	  the boot loader doesn't provide any, the default kernel command

	  string provided in CMDLINE will be used.



config CMDLINE_EXTEND

	bool "Extend bootloader kernel arguments"

	help

	  The command-line arguments provided by the boot loader will be

	  appended to the default kernel command string.



config CMDLINE_FORCE

	bool "Always use the default kernel command string"

	depends on CMDLINE != ""

	help

	  Always use the default kernel command string, even if the boot

	  loader passes other arguments to the kernel.

	  This is useful if you cannot or don't want to change the

	  command-line options your boot loader passes to the kernel.



	  If unsure, say N.

endchoice



config XIP_KERNEL

	bool "Kernel Execute-In-Place from ROM"
@@ -2010,7 +2021,7 @@ menu "Power management options" 
source "kernel/power/Kconfig"



config ARCH_SUSPEND_POSSIBLE

	depends on !ARCH_S5P64X0 && !ARCH_S5P6442

	depends on !ARCH_S5P64X0 && !ARCH_S5P6442 && !ARCH_S5PC100

	depends on CPU_ARM920T || CPU_ARM926T || CPU_SA1100 || \

		CPU_V6 || CPU_V6K || CPU_V7 || CPU_XSC3 || CPU_XSCALE

	def_bool y

arch/arm/Makefile

+1 −6
Original line number Diff line number Diff line
@@ -158,13 +158,11 @@ machine-$(CONFIG_ARCH_MV78XX0) := mv78xx0 
machine-$(CONFIG_ARCH_MX1)		:= imx

machine-$(CONFIG_ARCH_MX2)		:= imx

machine-$(CONFIG_ARCH_MX25)		:= imx

machine-$(CONFIG_ARCH_MX3)		:= mx3

machine-$(CONFIG_ARCH_MX3)		:= imx

machine-$(CONFIG_ARCH_MX5)		:= mx5

machine-$(CONFIG_ARCH_MXC91231)		:= mxc91231

machine-$(CONFIG_ARCH_MXS)		:= mxs

machine-$(CONFIG_ARCH_NETX)		:= netx

machine-$(CONFIG_ARCH_NOMADIK)		:= nomadik

machine-$(CONFIG_ARCH_NS9XXX)		:= ns9xxx

machine-$(CONFIG_ARCH_OMAP1)		:= omap1

machine-$(CONFIG_ARCH_OMAP2)		:= omap2

machine-$(CONFIG_ARCH_OMAP3)		:= omap2
@@ -185,8 +183,6 @@ machine-$(CONFIG_ARCH_EXYNOS4) := exynos4 
machine-$(CONFIG_ARCH_SA1100)		:= sa1100

machine-$(CONFIG_ARCH_SHARK)		:= shark

machine-$(CONFIG_ARCH_SHMOBILE) 	:= shmobile

machine-$(CONFIG_ARCH_STMP378X)		:= stmp378x

machine-$(CONFIG_ARCH_STMP37XX)		:= stmp37xx

machine-$(CONFIG_ARCH_TCC8K)		:= tcc8k

machine-$(CONFIG_ARCH_TEGRA)		:= tegra

machine-$(CONFIG_ARCH_U300)		:= u300
@@ -207,7 +203,6 @@ machine-$(CONFIG_MACH_SPEAR600) := spear6xx 
plat-$(CONFIG_ARCH_MXC)		:= mxc

plat-$(CONFIG_ARCH_OMAP)	:= omap

plat-$(CONFIG_ARCH_S3C64XX)	:= samsung

plat-$(CONFIG_ARCH_STMP3XXX)	:= stmp3xxx

plat-$(CONFIG_ARCH_TCC_926)	:= tcc

plat-$(CONFIG_PLAT_IOP)		:= iop

plat-$(CONFIG_PLAT_NOMADIK)	:= nomadik

arch/arm/boot/compressed/Makefile

+14 −3
Original line number Diff line number Diff line
@@ -98,8 +98,6 @@ endif 
ccflags-y := -fpic -fno-builtin

asflags-y := -Wa,-march=all



# Provide size of uncompressed kernel to the decompressor via a linker symbol.

LDFLAGS_vmlinux = --defsym _image_size=$(shell stat -c "%s" $(obj)/../Image)

# Supply ZRELADDR to the decompressor via a linker symbol.

ifneq ($(CONFIG_AUTO_ZRELADDR),y)

LDFLAGS_vmlinux += --defsym zreladdr=$(ZRELADDR)
@@ -122,10 +120,23 @@ lib1funcs = $(obj)/lib1funcs.o 
$(obj)/lib1funcs.S: $(srctree)/arch/$(SRCARCH)/lib/lib1funcs.S FORCE

	$(call cmd,shipped)



# We need to prevent any GOTOFF relocs being used with references

# to symbols in the .bss section since we cannot relocate them

# independently from the rest at run time.  This can be achieved by

# ensuring that no private .bss symbols exist, as global symbols

# always have a GOT entry which is what we need.

# The .data section is already discarded by the linker script so no need

# to bother about it here.

check_for_bad_syms = \

bad_syms=$$($(CROSS_COMPILE)nm $@ | sed -n 's/^.\{8\} [bc] \(.*\)/\1/p') && \

[ -z "$$bad_syms" ] || \

  ( echo "following symbols must have non local/private scope:" >&2; \

    echo "$$bad_syms" >&2; rm -f $@; false )



$(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.$(suffix_y).o \

	 	$(addprefix $(obj)/, $(OBJS)) $(lib1funcs) FORCE

	$(call if_changed,ld)

	@:

	@$(check_for_bad_syms)



$(obj)/piggy.$(suffix_y): $(obj)/../Image FORCE

	$(call if_changed,$(suffix_y))

arch/arm/boot/compressed/decompress.c

+2 −2
Original line number Diff line number Diff line
@@ -44,7 +44,7 @@ extern void error(char *); 
#include "../../../../lib/decompress_unlzma.c"

#endif



void do_decompress(u8 *input, int len, u8 *output, void (*error)(char *x))

int do_decompress(u8 *input, int len, u8 *output, void (*error)(char *x))

{

	decompress(input, len, NULL, NULL, output, NULL, error);

	return decompress(input, len, NULL, NULL, output, NULL, error);

}

arch/arm/boot/compressed/head.S

+35 −11
Original line number Diff line number Diff line
@@ -179,7 +179,7 @@ not_angel: 
		bl	cache_on



restart:	adr	r0, LC0

		ldmia	r0, {r1, r2, r3, r6, r9, r11, r12}

		ldmia	r0, {r1, r2, r3, r6, r10, r11, r12}

		ldr	sp, [r0, #28]



		/*
@@ -188,6 +188,20 @@ restart: adr r0, LC0 
		 */

		sub	r0, r0, r1		@ calculate the delta offset

		add	r6, r6, r0		@ _edata

		add	r10, r10, r0		@ inflated kernel size location



		/*

		 * The kernel build system appends the size of the

		 * decompressed kernel at the end of the compressed data

		 * in little-endian form.

		 */

		ldrb	r9, [r10, #0]

		ldrb	lr, [r10, #1]

		orr	r9, r9, lr, lsl #8

		ldrb	lr, [r10, #2]

		ldrb	r10, [r10, #3]

		orr	r9, r9, lr, lsl #16

		orr	r9, r9, r10, lsl #24



#ifndef CONFIG_ZBOOT_ROM

		/* malloc space is above the relocated stack (64k max) */
@@ -347,10 +361,10 @@ LC0: .word LC0 @ r1 
		.word	__bss_start		@ r2

		.word	_end			@ r3

		.word	_edata			@ r6

		.word	_image_size		@ r9

		.word	input_data_end - 4	@ r10 (inflated size location)

		.word	_got_start		@ r11

		.word	_got_end		@ ip

		.word	user_stack_end		@ sp

		.word	.L_user_stack_end	@ sp

		.size	LC0, . - LC0



#ifdef CONFIG_ARCH_RPC
@@ -459,7 +473,11 @@ __setup_mmu: sub r3, r4, #16384 @ Page directory size 
		orr	r1, r1, #3 << 10

		add	r2, r3, #16384

1:		cmp	r1, r9			@ if virt > start of RAM

#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH

		orrhs	r1, r1, #0x08		@ set cacheable

#else

		orrhs	r1, r1, #0x0c		@ set cacheable, bufferable

#endif

		cmp	r1, r10			@ if virt > end of RAM

		bichs	r1, r1, #0x0c		@ clear cacheable, bufferable

		str	r1, [r0], #4		@ 1:1 mapping
@@ -484,6 +502,12 @@ __setup_mmu: sub r3, r4, #16384 @ Page directory size 
		mov	pc, lr

ENDPROC(__setup_mmu)



__arm926ejs_mmu_cache_on:

#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH

		mov	r0, #4			@ put dcache in WT mode

		mcr	p15, 7, r0, c15, c0, 0

#endif



__armv4_mmu_cache_on:

		mov	r12, lr

#ifdef CONFIG_MMU
@@ -665,6 +689,12 @@ proc_types: 
		W(b)	__armv4_mpu_cache_off

		W(b)	__armv4_mpu_cache_flush



		.word	0x41069260		@ ARM926EJ-S (v5TEJ)

		.word	0xff0ffff0

		b	__arm926ejs_mmu_cache_on

		b	__armv4_mmu_cache_off

		b	__armv5tej_mmu_cache_flush



		.word	0x00007000		@ ARM7 IDs

		.word	0x0000f000

		mov	pc, lr
@@ -747,12 +777,6 @@ proc_types: 
		W(b)	__armv4_mmu_cache_off

		W(b)	__armv6_mmu_cache_flush



		.word	0x560f5810		@ Marvell PJ4 ARMv6

		.word	0xff0ffff0

		W(b)	__armv4_mmu_cache_on

		W(b)	__armv4_mmu_cache_off

		W(b)	__armv6_mmu_cache_flush



		.word	0x000f0000		@ new CPU Id

		.word	0x000f0000

		W(b)	__armv7_mmu_cache_on
@@ -1078,5 +1102,5 @@ reloc_code_end: 


		.align

		.section ".stack", "aw", %nobits

user_stack:	.space	4096

user_stack_end:
 
.L_user_stack:	.space	4096

.L_user_stack_end: