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

[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 at 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 at 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 at samsung.com>
> > Signed-off-by: Kyungmin Park <kyungmin.park at 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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