[U-Boot-Users] [RFC PATCH] icecube/lite5200b: fix OF_TBCLK (timebase-frequency) calculation
Domen Puncer
domen.puncer at telargo.com
Wed Mar 7 08:02:58 CET 2007
(sorry if you receive this twice, MTA issues)
I tracked jiffies (on Linux) incrementing twice as fast on
lite5200b to this ("timebase-frequency" property).
G2 core reference manual says decrementer and time base
are decreasing/increasing once every 4 bus clock cycles.
Was there a reason this was busfreq/8?
Domen
---
include/configs/IceCube.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: u-boot.git/include/configs/IceCube.h
===================================================================
--- u-boot.git.orig/include/configs/IceCube.h
+++ u-boot.git/include/configs/IceCube.h
@@ -182,7 +182,7 @@
#define OF_CPU "PowerPC,5200 at 0"
#define OF_SOC "soc5200 at f0000000"
-#define OF_TBCLK (bd->bi_busfreq / 8)
+#define OF_TBCLK (bd->bi_busfreq / 4)
#define OF_STDOUT_PATH "/soc5200 at f0000000/serial at 2000"
/*
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