[U-Boot] [PATCH] Arm64 fix a bug of vbar_el3 initialization
From: David Feng fenghua@phytium.com.cn
Signed-off-by: David Feng fenghua@phytium.com.cn --- arch/arm/cpu/armv8/start.S | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm/cpu/armv8/start.S b/arch/arm/cpu/armv8/start.S index 33d3f36..4b11aa4 100644 --- a/arch/arm/cpu/armv8/start.S +++ b/arch/arm/cpu/armv8/start.S @@ -50,10 +50,10 @@ reset: */ adr x0, vectors switch_el x1, 3f, 2f, 1f -3: mrs x0, scr_el3 +3: msr vbar_el3, x0 + mrs x0, scr_el3 orr x0, x0, #0xf /* SCR_EL3.NS|IRQ|FIQ|EA */ msr scr_el3, x0 - msr vbar_el3, x0 msr cptr_el3, xzr /* Enable FP/SIMD */ ldr x0, =COUNTER_FREQUENCY msr cntfrq_el0, x0 /* Initialize CNTFRQ */
Hi fenghua@phytium.com.cn,
On Sat, 19 Apr 2014 09:45:21 +0800, fenghua@phytium.com.cn wrote:
From: David Feng fenghua@phytium.com.cn
Signed-off-by: David Feng fenghua@phytium.com.cn
arch/arm/cpu/armv8/start.S | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm/cpu/armv8/start.S b/arch/arm/cpu/armv8/start.S index 33d3f36..4b11aa4 100644 --- a/arch/arm/cpu/armv8/start.S +++ b/arch/arm/cpu/armv8/start.S @@ -50,10 +50,10 @@ reset: */ adr x0, vectors switch_el x1, 3f, 2f, 1f -3: mrs x0, scr_el3 +3: msr vbar_el3, x0
- mrs x0, scr_el3 orr x0, x0, #0xf /* SCR_EL3.NS|IRQ|FIQ|EA */ msr scr_el3, x0
- msr vbar_el3, x0 msr cptr_el3, xzr /* Enable FP/SIMD */ ldr x0, =COUNTER_FREQUENCY msr cntfrq_el0, x0 /* Initialize CNTFRQ */
Applied to u-boot-arm/master, thanks!
Amicalement,
participants (2)
-
Albert ARIBAUD -
fenghuaï¼ phytium.com.cn