diff options
Diffstat (limited to 'arch/arm/cpu/arm926ejs/omap/timer.c')
| -rw-r--r-- | arch/arm/cpu/arm926ejs/omap/timer.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/arm/cpu/arm926ejs/omap/timer.c b/arch/arm/cpu/arm926ejs/omap/timer.c index 34ec7b2b1..16530b03b 100644 --- a/arch/arm/cpu/arm926ejs/omap/timer.c +++ b/arch/arm/cpu/arm926ejs/omap/timer.c @@ -36,11 +36,14 @@ */ #include <common.h> +#include <asm/io.h> -#define TIMER_LOAD_VAL 0xffffffff +#define TIMER_CLOCK (CONFIG_SYS_CLK_FREQ / (2 << CONFIG_SYS_PTV)) +#define TIMER_LOAD_VAL 0xffffffff /* macro to read the 32 bit timer */ -#define READ_TIMER (*(volatile ulong *)(CONFIG_SYS_TIMERBASE+8)) +#define READ_TIMER readl(CONFIG_SYS_TIMERBASE+8) \ + / (TIMER_CLOCK / CONFIG_SYS_HZ) DECLARE_GLOBAL_DATA_PTR; @@ -114,7 +117,8 @@ ulong get_timer_masked (void) * (TLV-now) amount of time after passing though -1 * nts = new "advancing time stamp"...it could also roll and cause problems. */ - timestamp += lastdec + TIMER_LOAD_VAL - now; + timestamp += lastdec + (TIMER_LOAD_VAL / (TIMER_CLOCK / + CONFIG_SYS_HZ)) - now; } lastdec = now; @@ -160,8 +164,5 @@ unsigned long long get_ticks(void) */ ulong get_tbclk (void) { - ulong tbclk; - - tbclk = CONFIG_SYS_HZ; - return tbclk; + return CONFIG_SYS_HZ; } |