From mboxrd@z Thu Jan  1 00:00:00 1970
From: kgene.kim@samsung.com (Kukjin Kim)
Date: Fri, 12 Aug 2011 18:47:45 +0900
Subject: [PATCH] ARM: exynos4: Add TWD base address
In-Reply-To: <20110727042406.GA14024@july>
References: <20110727042406.GA14024@july>
Message-ID: <007b01cc58d4$e4714000$ad53c000$%kim@samsung.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

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.