The function get_timer() should return time in ms and CONFIG_SYS_HZ should be set to 1000 by default. Fix both of these items.
Signed-off-by: Jon Hunter jon-hunter@ti.com --- arch/arm/cpu/arm1136/omap24xx/timer.c | 8 ++++++-- include/configs/omap2420h4.h | 2 +- 2 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/arch/arm/cpu/arm1136/omap24xx/timer.c b/arch/arm/cpu/arm1136/omap24xx/timer.c index 53015cb..3b6666b 100644 --- a/arch/arm/cpu/arm1136/omap24xx/timer.c +++ b/arch/arm/cpu/arm1136/omap24xx/timer.c @@ -31,13 +31,16 @@ */
#include <common.h> +#include <asm/io.h> #include <asm/arch/bits.h> #include <asm/arch/omap2420.h>
+#define TIMER_CLOCK (CONFIG_SYS_CLK_FREQ / (2 << CONFIG_SYS_PTV)) #define TIMER_LOAD_VAL 0
/* macro to read the 32 bit timer */ -#define READ_TIMER (*((volatile ulong *)(CONFIG_SYS_TIMERBASE+TCRR))) +#define READ_TIMER readl(CONFIG_SYS_TIMERBASE+TCRR) \ + / (TIMER_CLOCK / CONFIG_SYS_HZ)
DECLARE_GLOBAL_DATA_PTR;
@@ -99,7 +102,8 @@ ulong get_timer_masked (void) gd->arch.tbl += (now - gd->arch.lastinc); } else { /* we have rollover of incrementer */ - gd->arch.tbl += (0xFFFFFFFF - gd->arch.lastinc) + now; + gd->arch.tbl += ((0xFFFFFFFF / (TIMER_CLOCK / CONFIG_SYS_HZ)) + - gd->arch.lastinc) + now; } gd->arch.lastinc = now; return gd->arch.tbl; diff --git a/include/configs/omap2420h4.h b/include/configs/omap2420h4.h index e144ae9d..04e8d3a 100644 --- a/include/configs/omap2420h4.h +++ b/include/configs/omap2420h4.h @@ -190,7 +190,7 @@
#define CONFIG_SYS_TIMERBASE OMAP2420_GPT2 #define CONFIG_SYS_PTV V_PTV /* 2^(PTV+1) */ -#define CONFIG_SYS_HZ ((CONFIG_SYS_CLK_FREQ)/(2 << CONFIG_SYS_PTV)) +#define CONFIG_SYS_HZ 1000
/*----------------------------------------------------------------------- * Physical Memory Map