[U-Boot] [PATCH v3 1/5] ARM: HYP/non-sec: add the pen address BE mode support.
Xiubo Li
Li.Xiubo at freescale.com
Mon Oct 20 11:00:46 CEST 2014
For some SoCs, the pen address register maybe in BE mode and the
CPUs are in LE mode.
This patch adds BE mode support for smp pen address.
Signed-off-by: Xiubo Li <Li.Xiubo at 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 745670e..1ab5d54 100644
--- a/arch/arm/cpu/armv7/nonsec_virt.S
+++ b/arch/arm/cpu/armv7/nonsec_virt.S
@@ -191,6 +191,9 @@ ENTRY(smp_waitloop)
wfi
ldr r1, =CONFIG_SMP_PEN_ADDR @ load start address
ldr r1, [r1]
+#ifdef CONFIG_PEN_ADDR_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 r0, r1
--
2.1.0.27.g96db324
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