[ARM] avoid mis-detecting some V7 cores in the decompressor
This allows kernel decompress to happen nearly instantly instead
of taking over 20 seconds.
Signed-off-by: Brian Swetland <swetland@google.com>
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index f9da419..d7bfd2e 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -654,6 +654,8 @@
@ b __arm6_mmu_cache_off
@ b __armv3_mmu_cache_flush
+#if !defined(CONFIG_CPU_V7)
+ /* This collides with some V7 IDs, preventing correct detection */
.word 0x00000000 @ old ARM ID
.word 0x0000f000
mov pc, lr
@@ -662,6 +664,7 @@
THUMB( nop )
mov pc, lr
THUMB( nop )
+#endif
.word 0x41007000 @ ARM7/710
.word 0xfff8fe00