summaryrefslogtreecommitdiff
path: root/arch/arm/boot/compressed/head.S
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/boot/compressed/head.S')
-rw-r--r--arch/arm/boot/compressed/head.S44
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index 77d614232d81..b371fba1b954 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
@@ -459,6 +465,20 @@ __armv7_mmu_cache_on:
mcr p15, 0, r0, c7, c5, 4 @ ISB
mov pc, r12
+__fa526_cache_on:
+ mov r12, lr
+ bl __setup_mmu
+ mov r0, #0
+ mcr p15, 0, r0, c7, c7, 0 @ Invalidate whole cache
+ mcr p15, 0, r0, c7, c10, 4 @ drain write buffer
+ mcr p15, 0, r0, c8, c7, 0 @ flush UTLB
+ mrc p15, 0, r0, c1, c0, 0 @ read control reg
+ orr r0, r0, #0x1000 @ I-cache enable
+ bl __common_mmu_cache_on
+ mov r0, #0
+ mcr p15, 0, r0, c8, c7, 0 @ flush UTLB
+ mov pc, r12
+
__arm6_mmu_cache_on:
mov r12, lr
bl __setup_mmu
@@ -630,12 +650,30 @@ 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
b __armv4_mmu_cache_off
b __armv5tej_mmu_cache_flush
+ .word 0x66015261 @ FA526
+ .word 0xff01fff1
+ b __fa526_cache_on
+ b __armv4_mmu_cache_off
+ b __fa526_cache_flush
+
@ These match on the architecture ID
.word 0x00020000 @ ARMv4T
@@ -775,6 +813,12 @@ __armv4_mpu_cache_flush:
mcr p15, 0, ip, c7, c10, 4 @ drain WB
mov pc, lr
+__fa526_cache_flush:
+ mov r1, #0
+ mcr p15, 0, r1, c7, c14, 0 @ clean and invalidate D cache
+ mcr p15, 0, r1, c7, c5, 0 @ flush I cache
+ mcr p15, 0, r1, c7, c10, 4 @ drain WB
+ mov pc, lr
__armv6_mmu_cache_flush:
mov r1, #0