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Diffstat (limited to 'arch/arm/cpu/arm1136/omap24xx/timer.c')
-rw-r--r--arch/arm/cpu/arm1136/omap24xx/timer.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/arm/cpu/arm1136/omap24xx/timer.c b/arch/arm/cpu/arm1136/omap24xx/timer.c
index 53015cb77d..3b6666b791 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;
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