Re: [U-Boot] [PATCH] ARMV7: S5P: timer: get the count_value from register when call udelay

2010-11-29 Thread Minkyu Kang 
On 19 November 2010 17:34, Minkyu Kang  wrote:
> Because of count_value is set to tcnb4 register,
> should be get from this register when call udelay function.
>
> Signed-off-by: Minkyu Kang 
> ---
>  arch/arm/cpu/armv7/s5p-common/timer.c |   18 +-
>  1 files changed, 9 insertions(+), 9 deletions(-)
>

applied to u-boot-samsung

-- 
from. prom.
www.promsoft.net
___
U-Boot mailing list
U-Boot@lists.denx.de
http://lists.denx.de/mailman/listinfo/u-boot

[U-Boot] [PATCH] ARMV7: S5P: timer: get the count_value from register when call udelay

2010-11-19 Thread Minkyu Kang 
Because of count_value is set to tcnb4 register,
should be get from this register when call udelay function.

Signed-off-by: Minkyu Kang 
---
 arch/arm/cpu/armv7/s5p-common/timer.c |   18 +-
 1 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/arch/arm/cpu/armv7/s5p-common/timer.c 
b/arch/arm/cpu/armv7/s5p-common/timer.c
index 0490650..651fd5d 100644
--- a/arch/arm/cpu/armv7/s5p-common/timer.c
+++ b/arch/arm/cpu/armv7/s5p-common/timer.c
@@ -65,15 +65,12 @@ int timer_init(void)
writel((PRESCALER_1 & 0xff) << 8, &timer->tcfg0);
writel((MUX_DIV_2 & 0xf) << MUX4_DIV_SHIFT, &timer->tcfg1);
 
-   if (count_value == 0) {
-   /* reset initial value */
-   /* count_value = 2085937.5(HZ) (per 1 sec)*/
-   count_value = get_pwm_clk() / ((PRESCALER_1 + 1) *
-   (MUX_DIV_2 + 1));
-
-   /* count_value / 100 = 20859.375(HZ) (per 10 msec) */
-   count_value = count_value / 100;
-   }
+   /* count_value = 2085937.5(HZ) (per 1 sec)*/
+   count_value = get_pwm_clk() / ((PRESCALER_1 + 1) *
+   (MUX_DIV_2 + 1));
+
+   /* count_value / 100 = 20859.375(HZ) (per 10 msec) */
+   count_value = count_value / 100;
 
/* set count value */
writel(count_value, &timer->tcntb4);
@@ -114,8 +111,11 @@ void set_timer(unsigned long t)
 /* delay x useconds */
 void __udelay(unsigned long usec)
 {
+   struct s5p_timer *const timer = s5p_get_base_timer();
unsigned long tmo, tmp;
 
+   count_value = readl(&timer->tcntb4);
+
if (usec >= 1000) {
/*
 * if "big" number, spread normalization
-- 
1.7.0.4
___
U-Boot mailing list
U-Boot@lists.denx.de
http://lists.denx.de/mailman/listinfo/u-boot