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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-10-10 00:33:02 +0400 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-10-10 00:33:02 +0400 |
| commit | 3f30a09a612bac2b531a206c2a58a292dd7ff182 (patch) | |
| tree | 62741c2f78aeb3009c66dbcf014ebff2e034e597 /arch/arm/mach-pxa/mioa701_bootresume.S | |
| parent | 9e165acf1b9e37af7c0fa39399b43d0bd8600039 (diff) | |
| parent | fda50a1c49ad7483eaa29a268d560422c413933f (diff) | |
| download | linux-3f30a09a612bac2b531a206c2a58a292dd7ff182.tar.xz | |
Merge branch 'pxa-all' into devel
Conflicts:
arch/arm/mach-pxa/Kconfig
arch/arm/mach-pxa/corgi.c
arch/arm/mach-pxa/include/mach/hardware.h
arch/arm/mach-pxa/spitz.c
Diffstat (limited to 'arch/arm/mach-pxa/mioa701_bootresume.S')
| -rw-r--r-- | arch/arm/mach-pxa/mioa701_bootresume.S | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/mioa701_bootresume.S b/arch/arm/mach-pxa/mioa701_bootresume.S new file mode 100644 index 000000000000..a647693d9856 --- /dev/null +++ b/arch/arm/mach-pxa/mioa701_bootresume.S @@ -0,0 +1,36 @@ +/* Bootloader to resume MIO A701 + * + * 2007-1-12 Robert Jarzmik + * + * This code is licenced under the GPLv2. +*/ + +#include <linux/linkage.h> +#include <asm/assembler.h> + +/* + * Note: Yes, part of the following code is located into the .data section. + * This is to allow jumpaddr to be accessed with a relative load + * while we can't rely on any MMU translation. We could have put + * sleep_save_sp in the .text section as well, but some setups might + * insist on it to be truly read-only. + */ + .data +ENTRY(mioa701_bootstrap) +0: + b 1f +ENTRY(mioa701_jumpaddr) + .word 0x40f00008 @ PSPR in no-MMU mode +1: + mov r0, #0xa0000000 @ Don't suppose memory access works + orr r0, r0, #0x00200000 @ even if it's supposed to + mov r1, #0 + str r1, [r0] @ Early disable resume for next boot + ldr r0, mioa701_jumpaddr @ (Murphy's Law) + ldr r0, [r0] + mov pc, r0 +2: + +ENTRY(mioa701_bootstrap_lg) + .data + .word 2b-0b |