[PATCH 2/2] ARM: Exynos4: use s5p-timer for UniversalC210 board

[kgene.kim@samsung.com (Kukjin Kim)]

Kyungmin Park wrote:
> 
> Hi,
> 
> It's required for boot universal c210 w/ EVT0 chip.
> Can you include it at 3.1 fixed branch?
> 
Sure, will apply into samsung-fixes for 3.1.

Thanks.

Best regards,
Kgene.
--
Kukjin Kim <kgene.kim@samsung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.

> Thank you,
> Kyungmin Park
> 
> On Tue, Jul 26, 2011 at 2:50 PM, Marek Szyprowski
> <m.szyprowski@samsung.com> wrote:
> > Commit 069d4e743 removed support for local timers and forced to use MCT
as
> > event source. However MCT is not operating properly on early revision
(EVT0)
> > of Exynos4 SoCs. All UniversalC210 boards are based on Exynos4 EVT0, so
> that
> > commit broke support for it. This patch provides a workaround that
enables
> > UniversalC210 boards to boot again. s5p-timer is used as an event
source.
> >
> > Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
> > Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
> > ---
> > ?arch/arm/mach-exynos4/Kconfig ? ? ? ? ? ? ? | ? ?3 +++
> > ?arch/arm/mach-exynos4/mach-universal_c210.c | ? ?4 +++-
> > ?2 files changed, 6 insertions(+), 1 deletions(-)
> >
> > diff --git a/arch/arm/mach-exynos4/Kconfig
b/arch/arm/mach-exynos4/Kconfig
> > index 9d62e13..2aad73f 100644
> > --- a/arch/arm/mach-exynos4/Kconfig
> > +++ b/arch/arm/mach-exynos4/Kconfig
> > @@ -173,6 +173,9 @@ config MACH_ARMLEX4210
> > ?config MACH_UNIVERSAL_C210
> > ? ? ? ?bool "Mobile UNIVERSAL_C210 Board"
> > ? ? ? ?select CPU_EXYNOS4210
> > + ? ? ? select S5P_HRT
> > + ? ? ? select CLKSRC_MMIO
> > + ? ? ? select HAVE_SCHED_CLOCK
> > ? ? ? ?select S5P_GPIO_INT
> > ? ? ? ?select S5P_DEV_FIMC0
> > ? ? ? ?select S5P_DEV_FIMC1
> > diff --git a/arch/arm/mach-exynos4/mach-universal_c210.c
b/arch/arm/mach-
> exynos4/mach-universal_c210.c
> > index 0e280d1..ca9e7b7 100644
> > --- a/arch/arm/mach-exynos4/mach-universal_c210.c
> > +++ b/arch/arm/mach-exynos4/mach-universal_c210.c
> > @@ -34,6 +34,7 @@
> > ?#include <plat/mfc.h>
> > ?#include <plat/sdhci.h>
> > ?#include <plat/pd.h>
> > +#include <plat/s5p-time.h>
> >
> > ?#include <mach/map.h>
> >
> > @@ -730,6 +731,7 @@ static void __init universal_map_io(void)
> > ? ? ? ?s5p_init_io(NULL, 0, S5P_VA_CHIPID);
> > ? ? ? ?s3c24xx_init_clocks(24000000);
> > ? ? ? ?s3c24xx_init_uarts(universal_uartcfgs,
ARRAY_SIZE(universal_uartcfgs));
> > + ? ? ? s5p_set_timer_source(S5P_PWM2, S5P_PWM4);
> > ?}
> >
> > ?static void __init universal_reserve(void)
> > @@ -766,6 +768,6 @@ MACHINE_START(UNIVERSAL_C210,
> "UNIVERSAL_C210")
> > ? ? ? ?.init_irq ? ? ? = exynos4_init_irq,
> > ? ? ? ?.map_io ? ? ? ? = universal_map_io,
> > ? ? ? ?.init_machine ? = universal_machine_init,
> > - ? ? ? .timer ? ? ? ? ?= &exynos4_timer,
> > + ? ? ? .timer ? ? ? ? ?= &s5p_timer,
> > ? ? ? ?.reserve ? ? ? ?= &universal_reserve,
> > ?MACHINE_END
> > --
> > 1.7.1.569.g6f426
> >
> > --
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