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authorPaulius Zaleckas <paulius.zaleckas@teltonika.lt>2009-03-25 13:10:01 +0200
committerPaulius Zaleckas <paulius.zaleckas@teltonika.lt>2009-03-25 13:10:01 +0200
commit28853ac8fe5221de74a14f1182d7b2b383dfd85c (patch)
treedcfd9b20028e5a3a9504e26d2c9060f4746fc83a /arch/arm/boot/compressed
parentbba7d0b9ba0f04d25145de8170a17a3a07bbfdde (diff)
ARM: Add support for FA526 v2
Adds support for Faraday FA526 core. This core is used at least by: Cortina Systems Gemini and Centroid family Cavium Networks ECONA family Grain Media GM8120 Pixelplus ImageARM Prolific PL-1029 Faraday IP evaluation boards v2: - move TLB_BTB to separate patch - update copyrights Signed-off-by: Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
Diffstat (limited to 'arch/arm/boot/compressed')
-rw-r--r--arch/arm/boot/compressed/head.S26
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index 77d614232d8..def02483286 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -459,6 +459,20 @@ __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
@@ -636,6 +650,12 @@ proc_types:
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 +795,12 @@ __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