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Commit a20df564 authored by Russell King's avatar Russell King
Browse files

Merge branch 'arm/booting' of git://git.pengutronix.de/git/ukl/linux-2.6 into devel-stable

Conflicts:
	arch/arm/Kconfig
parents d50f58bb e69edc79
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+105 −0
Original line number Diff line number Diff line
@@ -1404,6 +1404,12 @@ config CC_STACKPROTECTOR
	  neutralized via a kernel panic.
	  This feature requires gcc version 4.2 or above.

config DEPRECATED_PARAM_STRUCT
	bool "Provide old way to pass kernel parameters"
	help
	  This was deprecated in 2001 and announced to live on for 5 years.
	  Some old boot loaders still use this way.

endmenu

menu "Boot options"
@@ -1514,6 +1520,105 @@ config ATAGS_PROC
	  Should the atags used to boot the kernel be exported in an "atags"
	  file in procfs. Useful with kexec.

config AUTO_ZRELADDR
	bool "Auto calculation of the decompressed kernel image address"
	depends on !ZBOOT_ROM && !ARCH_U300
	help
	  ZRELADDR is the physical address where the decompressed kernel
	  image will be placed. If AUTO_ZRELADDR is selected, the address
	  will be determined at run-time by masking the current IP with
	  0xf8000000. This assumes the zImage being placed in the first 128MB
	  from start of memory.

config ZRELADDR
	hex "Physical address of the decompressed kernel image"
	depends on !AUTO_ZRELADDR
	default 0x00008000 if ARCH_BCMRING ||\
		ARCH_CNS3XXX ||\
		ARCH_DOVE ||\
		ARCH_EBSA110 ||\
		ARCH_FOOTBRIDGE ||\
		ARCH_INTEGRATOR ||\
		ARCH_IOP13XX ||\
		ARCH_IOP33X ||\
		ARCH_IXP2000 ||\
		ARCH_IXP23XX ||\
		ARCH_IXP4XX ||\
		ARCH_KIRKWOOD ||\
		ARCH_KS8695 ||\
		ARCH_LOKI ||\
		ARCH_MMP ||\
		ARCH_MV78XX0 ||\
		ARCH_NOMADIK ||\
		ARCH_NUC93X ||\
		ARCH_NS9XXX ||\
		ARCH_ORION5X ||\
		ARCH_SPEAR3XX ||\
		ARCH_SPEAR6XX ||\
		ARCH_U8500 ||\
		ARCH_VERSATILE ||\
		ARCH_W90X900
	default 0x08008000 if ARCH_MX1 ||\
		ARCH_SHARK
	default 0x10008000 if ARCH_MSM ||\
		ARCH_OMAP1 ||\
		ARCH_RPC
	default 0x20008000 if ARCH_S5P6440 ||\
		ARCH_S5P6442 ||\
		ARCH_S5PC100 ||\
		ARCH_S5PV210
	default 0x30008000 if ARCH_S3C2410 ||\
		ARCH_S3C2400 ||\
		ARCH_S3C2412 ||\
		ARCH_S3C2416 ||\
		ARCH_S3C2440 ||\
		ARCH_S3C2443
	default 0x40008000 if ARCH_STMP378X ||\
		ARCH_STMP37XX ||\
		ARCH_SH7372 ||\
		ARCH_SH7377
	default 0x50008000 if ARCH_S3C64XX ||\
		ARCH_SH7367
	default 0x60008000 if ARCH_VEXPRESS
	default 0x80008000 if ARCH_MX25 ||\
		ARCH_MX3 ||\
		ARCH_NETX ||\
		ARCH_OMAP2PLUS ||\
		ARCH_PNX4008
	default 0x90008000 if ARCH_MX5 ||\
		ARCH_MX91231
	default 0xa0008000 if ARCH_IOP32X ||\
		ARCH_PXA ||\
		MACH_MX27
	default 0xc0008000 if ARCH_LH7A40X ||\
		MACH_MX21
	default 0xf0008000 if ARCH_AAEC2000 ||\
		ARCH_L7200
	default 0xc0028000 if ARCH_CLPS711X
	default 0x70008000 if ARCH_AT91 && (ARCH_AT91CAP9 || ARCH_AT91SAM9G45)
	default 0x20008000 if ARCH_AT91 && !(ARCH_AT91CAP9 || ARCH_AT91SAM9G45)
	default 0xc0008000 if ARCH_DAVINCI && ARCH_DAVINCI_DA8XX
	default 0x80008000 if ARCH_DAVINCI && !ARCH_DAVINCI_DA8XX
	default 0x00008000 if ARCH_EP93XX && EP93XX_SDCE3_SYNC_PHYS_OFFSET
	default 0xc0008000 if ARCH_EP93XX && EP93XX_SDCE0_PHYS_OFFSET
	default 0xd0008000 if ARCH_EP93XX && EP93XX_SDCE1_PHYS_OFFSET
	default 0xe0008000 if ARCH_EP93XX && EP93XX_SDCE2_PHYS_OFFSET
	default 0xf0008000 if ARCH_EP93XX && EP93XX_SDCE3_ASYNC_PHYS_OFFSET
	default 0x00008000 if ARCH_GEMINI && GEMINI_MEM_SWAP
	default 0x10008000 if ARCH_GEMINI && !GEMINI_MEM_SWAP
	default 0x70008000 if ARCH_REALVIEW && REALVIEW_HIGH_PHYS_OFFSET
	default 0x00008000 if ARCH_REALVIEW && !REALVIEW_HIGH_PHYS_OFFSET
	default 0xc0208000 if ARCH_SA1100 && SA1111
	default 0xc0008000 if ARCH_SA1100 && !SA1111
	default 0x30108000 if ARCH_S3C2410 && PM_H1940
	default 0x28E08000 if ARCH_U300 && MACH_U300_SINGLE_RAM
	default 0x48008000 if ARCH_U300 && !MACH_U300_SINGLE_RAM
	help
	  ZRELADDR is the physical address where the decompressed kernel
	  image will be placed. ZRELADDR has to be specified when the
	  assumption of AUTO_ZRELADDR is not valid, or when ZBOOT_ROM is
	  selected.

endmenu

menu "CPU Power Management"
+3 −5
Original line number Diff line number Diff line
@@ -14,18 +14,16 @@
MKIMAGE         := $(srctree)/scripts/mkuboot.sh

ifneq ($(MACHINE),)
include $(srctree)/$(MACHINE)/Makefile.boot
-include $(srctree)/$(MACHINE)/Makefile.boot
endif

# Note: the following conditions must always be true:
#   ZRELADDR == virt_to_phys(PAGE_OFFSET + TEXT_OFFSET)
#   PARAMS_PHYS must be within 4MB of ZRELADDR
#   INITRD_PHYS must be in RAM
ZRELADDR    := $(zreladdr-y)
PARAMS_PHYS := $(params_phys-y)
INITRD_PHYS := $(initrd_phys-y)

export ZRELADDR INITRD_PHYS PARAMS_PHYS
export INITRD_PHYS PARAMS_PHYS

targets := Image zImage xipImage bootpImage uImage

@@ -67,7 +65,7 @@ quiet_cmd_uimage = UIMAGE $@
ifeq ($(CONFIG_ZBOOT_ROM),y)
$(obj)/uImage: LOADADDR=$(CONFIG_ZBOOT_ROM_TEXT)
else
$(obj)/uImage: LOADADDR=$(ZRELADDR)
$(obj)/uImage: LOADADDR=$(CONFIG_ZRELADDR)
endif

ifeq ($(CONFIG_THUMB2_KERNEL),y)
+1 −10
Original line number Diff line number Diff line
@@ -4,6 +4,7 @@
# create a compressed vmlinuz image from the original vmlinux
#

AFLAGS_head.o += -DTEXT_OFFSET=$(TEXT_OFFSET)
HEAD	= head.o
OBJS	= misc.o decompress.o
FONTC	= $(srctree)/drivers/video/console/font_acorn_8x8.c
@@ -79,19 +80,9 @@ endif
EXTRA_CFLAGS  := -fpic -fno-builtin
EXTRA_AFLAGS  := -Wa,-march=all

# Supply ZRELADDR, INITRD_PHYS and PARAMS_PHYS to the decompressor via
# linker symbols.  We only define initrd_phys and params_phys if the
# machine class defined the corresponding makefile variable.
LDFLAGS_vmlinux := --defsym zreladdr=$(ZRELADDR)
ifeq ($(CONFIG_CPU_ENDIAN_BE8),y)
LDFLAGS_vmlinux += --be8
endif
ifneq ($(INITRD_PHYS),)
LDFLAGS_vmlinux += --defsym initrd_phys=$(INITRD_PHYS)
endif
ifneq ($(PARAMS_PHYS),)
LDFLAGS_vmlinux += --defsym params_phys=$(PARAMS_PHYS)
endif
# ?
LDFLAGS_vmlinux += -p
# Report unresolved symbol references
+0 −23
Original line number Diff line number Diff line
#
# linux/arch/arm/boot/compressed/Makefile
#
# create a compressed vmlinux image from the original vmlinux
#

COMPRESSED_EXTRA=../../lib/ll_char_wr.o
OBJECTS=misc-debug.o ll_char_wr.aout.o

CFLAGS=-D__KERNEL__ -O2 -DSTDC_HEADERS -DSTANDALONE_DEBUG -Wall -I../../../../include -c

test-gzip: piggy.aout.o $(OBJECTS)
	$(CC) -o $@ $(OBJECTS) piggy.aout.o

misc-debug.o: misc.c
	$(CC) $(CFLAGS) -o $@ misc.c

piggy.aout.o: piggy.o
	arm-linuxelf-objcopy --change-leading-char -I elf32-arm -O arm-aout32-linux piggy.o piggy.aout.o

ll_char_wr.aout.o: $(COMPRESSED_EXTRA)
	arm-linuxelf-objcopy --change-leading-char -I elf32-arm -O arm-aout32-linux $(COMPRESSED_EXTRA) ll_char_wr.aout.o
+29 −11
Original line number Diff line number Diff line
@@ -170,9 +170,16 @@ not_angel:

		.text
		adr	r0, LC0
 ARM(		ldmia	r0, {r1, r2, r3, r4, r5, r6, r11, ip, sp})
 THUMB(		ldmia	r0, {r1, r2, r3, r4, r5, r6, r11, ip}	)
 ARM(		ldmia	r0, {r1, r2, r3, r5, r6, r11, ip, sp})
 THUMB(		ldmia	r0, {r1, r2, r3, r5, r6, r11, ip}	)
 THUMB(		ldr	sp, [r0, #32]				)
#ifdef CONFIG_AUTO_ZRELADDR
		@ determine final kernel image address
		and	r4, pc, #0xf8000000
		add	r4, r4, #TEXT_OFFSET
#else
		ldr	r4, =CONFIG_ZRELADDR
#endif
		subs	r0, r0, r1		@ calculate the delta offset

						@ if delta is zero, we are
@@ -310,18 +317,17 @@ wont_overwrite: mov r0, r4
LC0:		.word	LC0			@ r1
		.word	__bss_start		@ r2
		.word	_end			@ r3
		.word	zreladdr		@ r4
		.word	_start			@ r5
		.word	_image_size		@ r6
		.word	_got_start		@ r11
		.word	_got_end		@ ip
		.word	user_stack+4096		@ sp
		.word	user_stack_end		@ sp
LC1:		.word	reloc_end - reloc_start
		.size	LC0, . - LC0

#ifdef CONFIG_ARCH_RPC
		.globl	params
params:		ldr	r0, =params_phys
params:		ldr	r0, =0x10000100		@ params_phys for RPC
		mov	pc, lr
		.ltorg
		.align
@@ -339,9 +345,8 @@ params: ldr r0, =params_phys
 *  r4 = kernel execution address
 *  r7 = architecture number
 *  r8 = atags pointer
 *  r9 = run-time address of "start"  (???)
 * On exit,
 *  r1, r2, r3, r9, r10, r12 corrupted
 *  r0, r1, r2, r3, r9, r10, r12 corrupted
 * This routine must preserve:
 *  r4, r5, r6, r7, r8
 */
@@ -396,12 +401,18 @@ __armv3_mpu_cache_on:

		mov	r0, #0
		mcr	p15, 0, r0, c7, c0, 0	@ invalidate whole cache v3
		/*
		 * ?? ARMv3 MMU does not allow reading the control register,
		 * does this really work on ARMv3 MPU?
		 */
		mrc	p15, 0, r0, c1, c0, 0	@ read control reg
						@ .... .... .... WC.M
		orr	r0, r0, #0x000d		@ .... .... .... 11.1
		/* ?? this overwrites the value constructed above? */
		mov	r0, #0
		mcr	p15, 0, r0, c1, c0, 0	@ write control reg

		/* ?? invalidate for the second time? */
		mcr	p15, 0, r0, c7, c0, 0	@ invalidate whole cache v3
		mov	pc, lr

@@ -771,8 +782,10 @@ proc_types:
 * Turn off the Cache and MMU.  ARMv3 does not support
 * reading the control register, but ARMv4 does.
 *
 * On exit, r0, r1, r2, r3, r9, r12 corrupted
 * This routine must preserve: r4, r6, r7
 * On exit,
 *  r0, r1, r2, r3, r9, r12 corrupted
 * This routine must preserve:
 *  r4, r6, r7
 */
		.align	5
cache_off:	mov	r3, #12			@ cache_off function
@@ -845,7 +858,7 @@ __armv3_mmu_cache_off:
 * Clean and flush the cache to maintain consistency.
 *
 * On exit,
 *  r1, r2, r3, r9, r11, r12 corrupted
 *  r1, r2, r3, r9, r10, r11, r12 corrupted
 * This routine must preserve:
 *  r0, r4, r5, r6, r7
 */
@@ -988,7 +1001,7 @@ no_cache_id:
__armv3_mmu_cache_flush:
__armv3_mpu_cache_flush:
		mov	r1, #0
		mcr	p15, 0, r0, c7, c0, 0	@ invalidate whole cache v3
		mcr	p15, 0, r1, c7, c0, 0	@ invalidate whole cache v3
		mov	pc, lr

/*
@@ -1001,6 +1014,7 @@ __armv3_mpu_cache_flush:
phexbuf:	.space	12
		.size	phexbuf, . - phexbuf

@ phex corrupts {r0, r1, r2, r3}
phex:		adr	r3, phexbuf
		mov	r2, #0
		strb	r2, [r3, r1]
@@ -1015,6 +1029,7 @@ phex: adr r3, phexbuf
		strb	r2, [r3, r1]
		b	1b

@ puts corrupts {r0, r1, r2, r3}
puts:		loadsp	r3, r1
1:		ldrb	r2, [r0], #1
		teq	r2, #0
@@ -1029,12 +1044,14 @@ puts: loadsp r3, r1
		teq	r0, #0
		bne	1b
		mov	pc, lr
@ putc corrupts {r0, r1, r2, r3}
putc:
		mov	r2, r0
		mov	r0, #0
		loadsp	r3, r1
		b	2b

@ memdump corrupts {r0, r1, r2, r3, r10, r11, r12, lr}
memdump:	mov	r12, r0
		mov	r10, lr
		mov	r11, #0
@@ -1070,3 +1087,4 @@ reloc_end:
		.align
		.section ".stack", "w"
user_stack:	.space	4096
user_stack_end:
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