[PATCH] When building a XIP kernel, use physical memory as scratch space instead since we're probably running of a read-only medium.

[Wallace Wadge]

Signed-off-by: Wallace Wadge <wwa...@gmail.com>
---
 arch/arm/mm/proc-v7.S |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index f1c8486..50b4f03 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -170,7 +170,11 @@ __v7_ca15mp_setup:
        mcreq   p15, 0, r0, c1, c0, 1
 #endif
 __v7_setup:
+#ifdef CONFIG_XIP_KERNEL
+       ldr r12, =CONFIG_PHYS_OFFSET            @ the local stack, use
physical memory here.
+#else
        adr     r12, __v7_setup_stack           @ the local stack
+#endif
        stmia   r12, {r0-r5, r7, r9, r11, lr}
        bl      v7_flush_dcache_all
        ldmia   r12, {r0-r5, r7, r9, r11, lr}
--
1.7.8.3

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