[PATCH 1/7] arm: vexpress64: Fix counter frequency

Andre Przywara andre.przywara at arm.com
Thu Jun 11 13:03:15 CEST 2020


The arch timer on 64-bit Arm Ltd. platforms is driven by a 24 MHz
crystal oscillator, so the frequency is not 25165824 MHz, as the current
code suggests.

Signed-off-by: Andre Przywara <andre.przywara at arm.com>
---
 include/configs/vexpress_aemv8a.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/configs/vexpress_aemv8a.h b/include/configs/vexpress_aemv8a.h
index 09cdd3dab5..e63c335f85 100644
--- a/include/configs/vexpress_aemv8a.h
+++ b/include/configs/vexpress_aemv8a.h
@@ -68,7 +68,7 @@
 #define V2M_SYS_CFGSTAT			(V2M_SYSREGS + 0x0a8)
 
 /* Generic Timer Definitions */
-#define COUNTER_FREQUENCY		(0x1800000)	/* 24MHz */
+#define COUNTER_FREQUENCY		24000000	/* 24MHz */
 
 /* Generic Interrupt Controller Definitions */
 #ifdef CONFIG_GICV3
-- 
2.17.5



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