From 4cdfc2ec72e940abb4322aa1bc14f43a1486fc5d Mon Sep 17 00:00:00 2001 From: Russell King Date: Wed, 9 May 2012 15:18:19 +0100 Subject: [PATCH] ARM: Remove ARMv3 support from decompressor Signed-off-by: Russell King --- arch/arm/boot/compressed/head.S | 43 ++++------------------------------------- 1 file changed, 4 insertions(+), 39 deletions(-) diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S index dc7e8ce8e6b..4c2cf5a06a4 100644 --- a/arch/arm/boot/compressed/head.S +++ b/arch/arm/boot/compressed/head.S @@ -680,18 +680,6 @@ __fa526_cache_on: mcr p15, 0, r0, c8, c7, 0 @ flush UTLB mov pc, r12 -__arm6_mmu_cache_on: - mov r12, lr - bl __setup_mmu - mov r0, #0 - mcr p15, 0, r0, c7, c0, 0 @ invalidate whole cache v3 - mcr p15, 0, r0, c5, c0, 0 @ invalidate whole TLB v3 - mov r0, #0x30 - bl __common_mmu_cache_on - mov r0, #0 - mcr p15, 0, r0, c5, c0, 0 @ invalidate whole TLB v3 - mov pc, r12 - __common_mmu_cache_on: #ifndef CONFIG_THUMB2_KERNEL #ifndef DEBUG @@ -756,16 +744,6 @@ call_cache_fn: adr r12, proc_types .align 2 .type proc_types,#object proc_types: - .word 0x41560600 @ ARM6/610 - .word 0xffffffe0 - W(b) __arm6_mmu_cache_off @ works, but slow - W(b) __arm6_mmu_cache_off - mov pc, lr - THUMB( nop ) -@ b __arm6_mmu_cache_on @ untested -@ b __arm6_mmu_cache_off -@ b __armv3_mmu_cache_flush - .word 0x00000000 @ old ARM ID .word 0x0000f000 mov pc, lr @@ -777,8 +755,10 @@ proc_types: .word 0x41007000 @ ARM7/710 .word 0xfff8fe00 - W(b) __arm7_mmu_cache_off - W(b) __arm7_mmu_cache_off + mov pc, lr + THUMB( nop ) + mov pc, lr + THUMB( nop ) mov pc, lr THUMB( nop ) @@ -977,21 +957,6 @@ __armv7_mmu_cache_off: mcr p15, 0, r0, c7, c5, 4 @ ISB mov pc, r12 -__arm6_mmu_cache_off: - mov r0, #0x00000030 @ ARM6 control reg. - b __armv3_mmu_cache_off - -__arm7_mmu_cache_off: - mov r0, #0x00000070 @ ARM7 control reg. - b __armv3_mmu_cache_off - -__armv3_mmu_cache_off: - mcr p15, 0, r0, c1, c0, 0 @ turn MMU and cache off - mov r0, #0 - mcr p15, 0, r0, c7, c0, 0 @ invalidate whole cache v3 - mcr p15, 0, r0, c5, c0, 0 @ invalidate whole TLB v3 - mov pc, lr - /* * Clean and flush the cache to maintain consistency. * -- 2.11.4.GIT