[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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