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

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

[Manikandan Pillai]

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
-- 
1.5.6

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

[Stefan Roese]

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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