[U-Boot] [PATCH v2 9/9] ARMv8: PSCI: Enable SMC

[Arnab Basu]

Enable the SMC instruction so that the kernel can use the psci code

Signed-off-by: Arnab Basu <arnab_basu at rocketmail.com>
Cc: Bhupesh Sharma <bhupesh.sharma at freescale.com>
Cc: Marc Zyngier <marc.zyngier at arm.com>
---
 arch/arm/include/asm/macro.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm/include/asm/macro.h b/arch/arm/include/asm/macro.h
index 1c8c425..e36f043 100644
--- a/arch/arm/include/asm/macro.h
+++ b/arch/arm/include/asm/macro.h
@@ -106,8 +106,13 @@ lr	.req	x30
 .endm
 
 .macro armv8_switch_to_el2_m, xreg1
+#ifdef CONFIG_ARMV8_PSCI
+	/* 64bit EL2 | HCE | RES1 (Bits[5:4]) | Non-secure EL0/EL1 */
+	mov	\xreg1, #0x531
+#else
 	/* 64bit EL2 | HCE | SMD | RES1 (Bits[5:4]) | Non-secure EL0/EL1 */
 	mov	\xreg1, #0x5b1
+#endif
 	msr	scr_el3, \xreg1
 	msr	cptr_el3, xzr		/* Disable coprocessor traps to EL3 */
 	mov	\xreg1, #0x33ff
-- 
1.9.1