* [PATCH] ARM: exynos4: Add TWD base address
@ 2011-07-27 4:24 Kyungmin Park
2011-08-12 9:47 ` Kukjin Kim
0 siblings, 1 reply; 2+ messages in thread
From: Kyungmin Park @ 2011-07-27 4:24 UTC (permalink / raw)
To: linux-arm-kernel
From: Kyungmin Park <kyungmin.park@samsung.com>
When use the s5p_timer for EXYNOS4210 EVT0, it's required.
Other s5p platform is guided from CONFIG_LOCAL_TIMER
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
diff --git a/arch/arm/plat-s5p/s5p-time.c b/arch/arm/plat-s5p/s5p-time.c
index c833e7b..bdf5430 100644
--- a/arch/arm/plat-s5p/s5p-time.c
+++ b/arch/arm/plat-s5p/s5p-time.c
@@ -409,6 +409,9 @@ static void __init s5p_timer_resources(void)
static void __init s5p_timer_init(void)
{
+#ifdef CONFIG_LOCAL_TIMERS
+ twd_base = S5P_VA_TWD;
+#endif
s5p_timer_resources();
s5p_clockevent_init();
s5p_clocksource_init();
^ permalink raw reply related [flat|nested] 2+ messages in thread* [PATCH] ARM: exynos4: Add TWD base address
2011-07-27 4:24 [PATCH] ARM: exynos4: Add TWD base address Kyungmin Park
@ 2011-08-12 9:47 ` Kukjin Kim
0 siblings, 0 replies; 2+ messages in thread
From: Kukjin Kim @ 2011-08-12 9:47 UTC (permalink / raw)
To: linux-arm-kernel
Kyungmin Park wrote:
>
> From: Kyungmin Park <kyungmin.park@samsung.com>
>
> When use the s5p_timer for EXYNOS4210 EVT0, it's required.
> Other s5p platform is guided from CONFIG_LOCAL_TIMER
>
> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
> ---
> diff --git a/arch/arm/plat-s5p/s5p-time.c b/arch/arm/plat-s5p/s5p-time.c
> index c833e7b..bdf5430 100644
> --- a/arch/arm/plat-s5p/s5p-time.c
> +++ b/arch/arm/plat-s5p/s5p-time.c
> @@ -409,6 +409,9 @@ static void __init s5p_timer_resources(void)
>
> static void __init s5p_timer_init(void)
> {
> +#ifdef CONFIG_LOCAL_TIMERS
> + twd_base = S5P_VA_TWD;
> +#endif
> s5p_timer_resources();
> s5p_clockevent_init();
> s5p_clocksource_init();
As we talked about this at Linaro Connect, this is wrong. Basically
EXYNOS4210 uses MCT and the ARM_TWD cannot be used at one time on
EXYNOS4210.
Thanks.
Best regards,
Kgene.
--
Kukjin Kim <kgene.kim@samsung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.
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