From: Thierry Reding <tred...@nvidia.com>
Some platforms have the means to determine the counter frequency at
runtime, so give them an opportunity to do so.
Signed-off-by: Thierry Reding <tred...@nvidia.com>
---
arch/arm/cpu/armv8/start.S | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm/cpu/armv8/start.S b/arch/arm/cpu/armv8/start.S
index e70bed462a59..da45d984d01a 100644
--- a/arch/arm/cpu/armv8/start.S
+++ b/arch/arm/cpu/armv8/start.S
@@ -54,8 +54,10 @@ reset:
orr x0, x0, #0xf /* SCR_EL3.NS|IRQ|FIQ|EA */
msr scr_el3, x0
msr cptr_el3, xzr /* Enable FP/SIMD */
+#ifdef COUNTER_FREQUENCY
ldr x0, =COUNTER_FREQUENCY
msr cntfrq_el0, x0 /* Initialize CNTFRQ */
+#endif
b 0f
2: msr vbar_el2, x0
mov x0, #0x33ff
--
2.4.5
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