[U-Boot] [PATCH 1/1] The GP timer is fixed for 1msec and CONFIG_SYS_HZ to 1000.

[Manikandan Pillai]

The header files for other OAMP3 boards have also been changed
for CONFIG_SYS_HZ to be 1000.

Signed-off-by: Manikandan Pillai <mani.pillai at ti.com>
---
 cpu/arm_cortexa8/omap3/interrupts.c |   12 +++---------
 include/configs/omap3_beagle.h      |    2 +-
 include/configs/omap3_evm.h         |    2 +-
 include/configs/omap3_overo.h       |    2 +-
 include/configs/omap3_pandora.h     |    2 +-
 5 files changed, 7 insertions(+), 13 deletions(-)

diff --git a/cpu/arm_cortexa8/omap3/interrupts.c b/cpu/arm_cortexa8/omap3/interrupts.c
index 9e9817d..d16f7bc 100644
--- a/cpu/arm_cortexa8/omap3/interrupts.c
+++ b/cpu/arm_cortexa8/omap3/interrupts.c
@@ -234,19 +234,13 @@ 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)
 {
-	ulong now = readl(&timer_base->tcrr); /* current tick value */
-
-	if (now >= lastinc)	/* normal mode (non roll) */
-		/* move stamp fordward with absoulte diff ticks */
-		timestamp += (now - lastinc);
-	else	/* we have rollover of incrementer */
-		timestamp += (0xFFFFFFFF - lastinc) + now;
-	lastinc = now;
-	return timestamp;
+	return readl(&timer_base->tcrr) >> 5;	/* current tick value */
 }
 
 /* waits specified delay value and resets timestamp */
diff --git a/include/configs/omap3_beagle.h b/include/configs/omap3_beagle.h
index 9057606..346df43 100644
--- a/include/configs/omap3_beagle.h
+++ b/include/configs/omap3_beagle.h
@@ -227,7 +227,7 @@
 
 #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
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
diff --git a/include/configs/omap3_overo.h b/include/configs/omap3_overo.h
index dee0417..7bacb5b 100644
--- a/include/configs/omap3_overo.h
+++ b/include/configs/omap3_overo.h
@@ -220,7 +220,7 @@
 
 #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
diff --git a/include/configs/omap3_pandora.h b/include/configs/omap3_pandora.h
index 00c0374..0ee1602 100644
--- a/include/configs/omap3_pandora.h
+++ b/include/configs/omap3_pandora.h
@@ -222,7 +222,7 @@
 
 #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