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[U-Boot,v3,1/5] ARMv8: Enable SMC instruction

Message ID 1478492034-17912-2-git-send-email-hongbo.zhang@nxp.com
State Superseded
Delegated to: York Sun
Headers show

Commit Message

macro.wave.z@gmail.com Nov. 7, 2016, 4:13 a.m. UTC 
From: Hongbo Zhang <hongbo.zhang@nxp.com>

PSCI implementation needs the SMC instruction to be enabled.
Following the legacy codes pattern, no bit macro definition and bit operation
are used, only the immediate data used in line is changed.

Signed-off-by: Hongbo Zhang <hongbo.zhang@nxp.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
---
 arch/arm/include/asm/macro.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/arch/arm/include/asm/macro.h b/arch/arm/include/asm/macro.h
index 9bb0efa..35ea002 100644
--- a/arch/arm/include/asm/macro.h
+++ b/arch/arm/include/asm/macro.h
@@ -137,7 +137,7 @@  lr	.req	x30
 
 .macro armv8_switch_to_el2_m, xreg1
 	/* 64bit EL2 | HCE | SMD | RES1 (Bits[5:4]) | Non-secure EL0/EL1 */
-	mov	\xreg1, #0x5b1
+	mov	\xreg1, #0x531
 	msr	scr_el3, \xreg1
 	msr	cptr_el3, xzr		/* Disable coprocessor traps to EL3 */
 	mov	\xreg1, #0x33ff