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authorRussell King <rmk+kernel@arm.linux.org.uk>2012-05-09 15:18:19 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2012-05-09 15:18:19 +0100
commit4cdfc2ec72e940abb4322aa1bc14f43a1486fc5d (patch)
tree35bae1d513e0427b7193e7d30c9bde5b22c3bfe2 /arch/arm
parent357c9c1f07d4546bc3fbc0fd1044d96b114d14ed (diff)
ARM: Remove ARMv3 support from decompressor
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/boot/compressed/head.S43
1 files changed, 4 insertions, 39 deletions
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index dc7e8ce8e6be..4c2cf5a06a4e 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.
*