From: David Feng <feng...@phytium.com.cn>
Linux-arm64 require that CNTVOFF_EL2 should be programmed with
a consistent value on all cpus. Initializing CNTVOFF_EL2 at state
transition instead of start.S could prevent potential different value
on cpus if ATF exist and u-boot runs at only one cpu.
Signed-off-by: David Feng <feng...@phytium.com.cn>
---
arch/arm/include/asm/macro.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/arm/include/asm/macro.h b/arch/arm/include/asm/macro.h
index 1c8c425..39df86a 100644
--- a/arch/arm/include/asm/macro.h
+++ b/arch/arm/include/asm/macro.h
@@ -113,6 +113,9 @@ lr .req x30
mov \xreg1, #0x33ff
msr cptr_el2, \xreg1 /* Disable coprocessor traps to EL2 */
+ /* Initialize Generic Timers */
+ msr cntvoff_el2, xzr
+
/* Initialize SCTLR_EL2
*
* setting RES1 bits (29,28,23,22,18,16,11,5,4) to 1
--
1.7.9.5
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