[U-Boot] [PATCH 1/1] Fix the timer to 1msec and CONFIG_SYS_HZ to 1000.

Signed-off-by: Manikandan Pillai mani.pillai@ti.com --- cpu/arm_cortexa8/omap3/interrupts.c | 6 ++++++ include/configs/omap3_evm.h | 2 +- 2 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/cpu/arm_cortexa8/omap3/interrupts.c b/cpu/arm_cortexa8/omap3/interrupts.c index 9e9817d..c415dbb 100644 --- a/cpu/arm_cortexa8/omap3/interrupts.c +++ b/cpu/arm_cortexa8/omap3/interrupts.c @@ -234,10 +234,15 @@ void reset_timer_masked(void) /* reset time, capture current incrementer value time */ lastinc = readl(&timer_base->tcrr); timestamp = 0; /* start "advancing" time stamp from 0 */ + /* reset the timer count */ + writel(0x1, &timer_base->ttgr); }
ulong get_timer_masked(void) { +#if 1 + return readl(&timer_base->tcrr) >> 5; /* current tick value */ +#else ulong now = readl(&timer_base->tcrr); /* current tick value */
if (now >= lastinc) /* normal mode (non roll) */ @@ -247,6 +252,7 @@ ulong get_timer_masked(void) timestamp += (0xFFFFFFFF - lastinc) + now; lastinc = now; return timestamp; +#endif }
/* waits specified delay value and resets timestamp */ diff --git a/include/configs/omap3_evm.h b/include/configs/omap3_evm.h index f4498a9..59305b8 100644 --- a/include/configs/omap3_evm.h +++ b/include/configs/omap3_evm.h @@ -226,7 +226,7 @@
#define CONFIG_SYS_TIMERBASE OMAP34XX_GPT2 #define CONFIG_SYS_PVT V_PVT /* 2^(pvt+1) */ -#define CONFIG_SYS_HZ ((V_SCLK) / (2 << CONFIG_SYS_PVT)) +#define CONFIG_SYS_HZ 1000
/*----------------------------------------------------------------------- * Stack sizes

On Friday 13 March 2009, Manikandan Pillai wrote:
Signed-off-by: Manikandan Pillai mani.pillai@ti.com
cpu/arm_cortexa8/omap3/interrupts.c | 6 ++++++ include/configs/omap3_evm.h | 2 +- 2 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/cpu/arm_cortexa8/omap3/interrupts.c b/cpu/arm_cortexa8/omap3/interrupts.c index 9e9817d..c415dbb 100644 --- a/cpu/arm_cortexa8/omap3/interrupts.c +++ b/cpu/arm_cortexa8/omap3/interrupts.c @@ -234,10 +234,15 @@ void reset_timer_masked(void) /* reset time, capture current incrementer value time */ lastinc = readl(&timer_base->tcrr); timestamp = 0; /* start "advancing" time stamp from 0 */
- /* reset the timer count */
- writel(0x1, &timer_base->ttgr);
}
ulong get_timer_masked(void) { +#if 1
- return readl(&timer_base->tcrr) >> 5; /* current tick value */
+#else ulong now = readl(&timer_base->tcrr); /* current tick value */
if (now >= lastinc) /* normal mode (non roll) */ @@ -247,6 +252,7 @@ ulong get_timer_masked(void) timestamp += (0xFFFFFFFF - lastinc) + now; lastinc = now; return timestamp; +#endif
Please remove the dead code.
Best regards, Stefan
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participants (2)
-
Manikandan Pillai
-
Stefan Roese