diff options
Diffstat (limited to 'arch/arm/boot/compressed')
-rw-r--r-- | arch/arm/boot/compressed/head.S | 18 | ||||
-rw-r--r-- | arch/arm/boot/compressed/misc.c | 15 | ||||
-rw-r--r-- | arch/arm/boot/compressed/vmlinux.lds.in | 5 |
3 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S index 77d614232d8..d14b827adcd 100644 --- a/arch/arm/boot/compressed/head.S +++ b/arch/arm/boot/compressed/head.S @@ -27,6 +27,12 @@ .macro writeb, ch, rb mcr p14, 0, \ch, c0, c5, 0 .endm +#elif defined(CONFIG_CPU_XSCALE) + .macro loadsp, rb + .endm + .macro writeb, ch, rb + mcr p14, 0, \ch, c8, c0, 0 + .endm #else .macro loadsp, rb .endm @@ -630,6 +636,18 @@ proc_types: b __armv4_mmu_cache_off b __armv4_mmu_cache_flush + .word 0x56158000 @ PXA168 + .word 0xfffff000 + b __armv4_mmu_cache_on + b __armv4_mmu_cache_off + b __armv5tej_mmu_cache_flush + + .word 0x56056930 + .word 0xff0ffff0 @ PXA935 + b __armv4_mmu_cache_on + b __armv4_mmu_cache_off + b __armv4_mmu_cache_flush + .word 0x56050000 @ Feroceon .word 0xff0f0000 b __armv4_mmu_cache_on diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c index 3fc08413fff..393c8164131 100644 --- a/arch/arm/boot/compressed/misc.c +++ b/arch/arm/boot/compressed/misc.c @@ -46,6 +46,21 @@ static void icedcc_putc(int ch) asm("mcr p14, 0, %0, c0, c5, 0" : : "r" (ch)); } +#elif defined(CONFIG_CPU_XSCALE) + +static void icedcc_putc(int ch) +{ + int status, i = 0x4000000; + + do { + if (--i < 0) + return; + + asm volatile ("mrc p14, 0, %0, c14, c0, 0" : "=r" (status)); + } while (status & (1 << 28)); + + asm("mcr p14, 0, %0, c8, c0, 0" : : "r" (ch)); +} #else diff --git a/arch/arm/boot/compressed/vmlinux.lds.in b/arch/arm/boot/compressed/vmlinux.lds.in index 153a07e7222..a5924b9b88b 100644 --- a/arch/arm/boot/compressed/vmlinux.lds.in +++ b/arch/arm/boot/compressed/vmlinux.lds.in @@ -11,6 +11,11 @@ OUTPUT_ARCH(arm) ENTRY(_start) SECTIONS { + /DISCARD/ : { + *(.ARM.exidx*) + *(.ARM.extab*) + } + . = TEXT_START; _text = .; |