[U-Boot] [PATCH 2/4] ARM: add the pen address byte reverting support.

Xiubo Li
2014-07-03T09:51:10Z

For some SoCs, the pen address may has different endianness with
the CPUs, so this need the byte revertion for it,

Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
---
arch/arm/cpu/armv7/nonsec_virt.S | 3 +++
1 file changed, 3 insertions(+)

diff --git a/arch/arm/cpu/armv7/nonsec_virt.S b/arch/arm/cpu/armv7/nonsec_virt.S
index e9766c0..c334a15 100644
--- a/arch/arm/cpu/armv7/nonsec_virt.S
+++ b/arch/arm/cpu/armv7/nonsec_virt.S
@@ -181,6 +181,9 @@ ENTRY(smp_waitloop)
wfi
ldr r1, =CONFIG_SMP_PEN_ADDR @ load start address
ldr r1, [r1]
+#ifdef CONFIG_SOC_BIG_ENDIAN
+ rev r1, r1
+#endif
cmp r0, r1 @ make sure we dont execute this code
beq smp_waitloop @ again (due to a spurious wakeup)
mov pc, r1
--
1.8.5