RE: [PATCH] S3C24XX: add clockevent/clocksource support

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Romain Naour wrote:
> 

[...]

Basically, looks good to me but need to edit commit message :-)

And since this touches many files so would be better if this could be
applied early -rc not now. It can provide more time to test for many boards.
Is it ok to you?

Thanks.

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

> Here is the new patch:
> 
> ---
>  arch/arm/Kconfig                                  |   6 +-
>  arch/arm/mach-exynos/mach-universal_c210.c        |   4 +-
>  arch/arm/mach-s3c24xx/Kconfig                     |   6 +
>  arch/arm/mach-s3c24xx/mach-amlm5900.c             |   3 +
>  arch/arm/mach-s3c24xx/mach-anubis.c               |   2 +
>  arch/arm/mach-s3c24xx/mach-at2440evb.c            |   2 +
>  arch/arm/mach-s3c24xx/mach-bast.c                 |   2 +
>  arch/arm/mach-s3c24xx/mach-gta02.c                |   2 +
>  arch/arm/mach-s3c24xx/mach-h1940.c                |   2 +
>  arch/arm/mach-s3c24xx/mach-jive.c                 |   2 +
>  arch/arm/mach-s3c24xx/mach-mini2440.c             |   4 +-
>  arch/arm/mach-s3c24xx/mach-n30.c                  |   2 +
>  arch/arm/mach-s3c24xx/mach-nexcoder.c             |   2 +
>  arch/arm/mach-s3c24xx/mach-osiris.c               |   2 +
>  arch/arm/mach-s3c24xx/mach-otom.c                 |   2 +
>  arch/arm/mach-s3c24xx/mach-qt2410.c               |   2 +
>  arch/arm/mach-s3c24xx/mach-rx1950.c               |   2 +
>  arch/arm/mach-s3c24xx/mach-rx3715.c               |   2 +
>  arch/arm/mach-s3c24xx/mach-smdk2410.c             |   2 +
>  arch/arm/mach-s3c24xx/mach-smdk2413.c             |   2 +
>  arch/arm/mach-s3c24xx/mach-smdk2416.c             |   2 +
>  arch/arm/mach-s3c24xx/mach-smdk2440.c             |   2 +
>  arch/arm/mach-s3c24xx/mach-smdk2443.c             |   2 +
>  arch/arm/mach-s3c24xx/mach-tct_hammer.c           |   2 +
>  arch/arm/mach-s3c24xx/mach-vr1000.c               |   2 +
>  arch/arm/mach-s3c24xx/mach-vstms.c                |   3 +-
>  arch/arm/mach-s3c64xx/mach-anw6410.c              |   2 +
>  arch/arm/mach-s3c64xx/mach-crag6410.c             |   2 +
>  arch/arm/mach-s3c64xx/mach-hmt.c                  |   2 +
>  arch/arm/mach-s3c64xx/mach-mini6410.c             |   2 +
>  arch/arm/mach-s3c64xx/mach-ncp.c                  |   2 +
>  arch/arm/mach-s3c64xx/mach-real6410.c             |   2 +
>  arch/arm/mach-s3c64xx/mach-smartq.c               |   2 +
>  arch/arm/mach-s3c64xx/mach-smartq5.c              |   1 +
>  arch/arm/mach-s3c64xx/mach-smartq7.c              |   1 +
>  arch/arm/mach-s3c64xx/mach-smdk6400.c             |   2 +
>  arch/arm/mach-s3c64xx/mach-smdk6410.c             |   2 +
>  arch/arm/mach-s5p64x0/Kconfig                     |   4 +-
>  arch/arm/mach-s5p64x0/mach-smdk6440.c             |   4 +-
>  arch/arm/mach-s5p64x0/mach-smdk6450.c             |   4 +-
>  arch/arm/mach-s5pv210/Kconfig                     |   2 +-
>  arch/arm/mach-s5pv210/mach-aquila.c               |   4 +-
>  arch/arm/mach-s5pv210/mach-goni.c                 |   4 +-
>  arch/arm/mach-s5pv210/mach-smdkc110.c             |   4 +-
>  arch/arm/mach-s5pv210/mach-smdkv210.c             |   4 +-
>  arch/arm/mach-s5pv210/mach-torbreck.c             |   4 +-
>  arch/arm/plat-samsung/Kconfig                     |   2 +-
>  arch/arm/plat-samsung/Makefile                    |   2 +-
>  arch/arm/plat-samsung/include/plat/s5p-time.h     |  40 ---
>  arch/arm/plat-samsung/include/plat/samsung-time.h |  51 +++
>  arch/arm/plat-samsung/s5p-time.c                  | 405
---------------------
> -
>  arch/arm/plat-samsung/samsung-time.c              | 405
> ++++++++++++++++++++++
>  52 files changed, 555 insertions(+), 470 deletions(-)
>  delete mode 100644 arch/arm/plat-samsung/include/plat/s5p-time.h
>  create mode 100644 arch/arm/plat-samsung/include/plat/samsung-time.h
>  delete mode 100644 arch/arm/plat-samsung/s5p-time.c
>  create mode 100644 arch/arm/plat-samsung/samsung-time.c
> 
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index 73067ef..c1ac8a5 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -737,7 +737,8 @@ config ARCH_SA1100
>  config ARCH_S3C24XX
>  	bool "Samsung S3C24XX SoCs"
>  	select ARCH_HAS_CPUFREQ
> -	select ARCH_USES_GETTIMEOFFSET
> +	select GENERIC_CLOCKEVENTS
> +	select CLKSRC_MMIO
>  	select CLKDEV_LOOKUP
>  	select GENERIC_GPIO
>  	select HAVE_CLK
> @@ -756,7 +757,8 @@ config ARCH_S3C64XX
>  	bool "Samsung S3C64XX"
>  	select ARCH_HAS_CPUFREQ
>  	select ARCH_REQUIRE_GPIOLIB
> -	select ARCH_USES_GETTIMEOFFSET
> +	select GENERIC_CLOCKEVENTS
> +	select CLKSRC_MMIO
>  	select ARM_VIC
>  	select CLKDEV_LOOKUP
>  	select CPU_V6
> diff --git a/arch/arm/mach-exynos/mach-universal_c210.c b/arch/arm/mach-
> exynos/mach-universal_c210.c
> index ebc9dd3..3b9ec1c 100644
> --- a/arch/arm/mach-exynos/mach-universal_c210.c
> +++ b/arch/arm/mach-exynos/mach-universal_c210.c
> @@ -41,7 +41,7 @@
>  #include <plat/mfc.h>
>  #include <plat/sdhci.h>
>  #include <plat/fimc-core.h>
> -#include <plat/s5p-time.h>
> +#include <plat/samsung-time.h>
>  #include <plat/camport.h>
>  #include <linux/platform_data/mipi-csis.h>
> 
> @@ -1099,7 +1099,7 @@ static void __init universal_map_io(void)
>  	exynos_init_io(NULL, 0);
>  	s3c24xx_init_clocks(clk_xusbxti.rate);
>  	s3c24xx_init_uarts(universal_uartcfgs,
> ARRAY_SIZE(universal_uartcfgs));
> -	s5p_set_timer_source(S5P_PWM2, S5P_PWM4);
> +	samsung_set_timer_source(S5P_PWM2, S5P_PWM4);
>  }
> 
>  static void s5p_tv_setup(void)
> diff --git a/arch/arm/mach-s3c24xx/Kconfig b/arch/arm/mach-s3c24xx/Kconfig
> index 2b6cb5f..be2c482 100644
> --- a/arch/arm/mach-s3c24xx/Kconfig
> +++ b/arch/arm/mach-s3c24xx/Kconfig
> @@ -21,6 +21,7 @@ config CPU_S3C2410
>  	select S3C2410_CLOCK
>  	select S3C2410_CPUFREQ if CPU_FREQ_S3C24XX
>  	select S3C2410_PM if PM
> +	select SAMSUNG_HRT
>  	help
>  	  Support for S3C2410 and S3C2410A family from the S3C24XX line
>  	  of Samsung Mobile CPUs.
> @@ -32,6 +33,7 @@ config CPU_S3C2412
>  	select CPU_LLSERIAL_S3C2440
>  	select S3C2412_DMA if S3C24XX_DMA
>  	select S3C2412_PM if PM
> +	select SAMSUNG_HRT
>  	help
>  	  Support for the S3C2412 and S3C2413 SoCs from the S3C24XX line
> 
> @@ -44,6 +46,7 @@ config CPU_S3C2416
>  	select S3C2443_COMMON
>  	select S3C2443_DMA if S3C24XX_DMA
>  	select SAMSUNG_CLKSRC
> +	select SAMSUNG_HRT
>  	help
>  	  Support for the S3C2416 SoC from the S3C24XX line
> 
> @@ -54,6 +57,7 @@ config CPU_S3C2440
>  	select S3C2410_CLOCK
>  	select S3C2410_PM if PM
>  	select S3C2440_DMA if S3C24XX_DMA
> +	select SAMSUNG_HRT
>  	help
>  	  Support for S3C2440 Samsung Mobile CPU based systems.
> 
> @@ -63,6 +67,7 @@ config CPU_S3C2442
>  	select CPU_LLSERIAL_S3C2440
>  	select S3C2410_CLOCK
>  	select S3C2410_PM if PM
> +	select SAMSUNG_HRT
>  	help
>  	  Support for S3C2442 Samsung Mobile CPU based systems.
> 
> @@ -78,6 +83,7 @@ config CPU_S3C2443
>  	select S3C2443_COMMON
>  	select S3C2443_DMA if S3C24XX_DMA
>  	select SAMSUNG_CLKSRC
> +	select SAMSUNG_HRT
>  	help
>  	  Support for the S3C2443 SoC from the S3C24XX line
> 
> diff --git a/arch/arm/mach-s3c24xx/mach-amlm5900.c b/arch/arm/mach-
> s3c24xx/mach-amlm5900.c
> index f4ad99c..5d5a07c 100644
> --- a/arch/arm/mach-s3c24xx/mach-amlm5900.c
> +++ b/arch/arm/mach-s3c24xx/mach-amlm5900.c
> @@ -63,6 +63,8 @@
>  #include <linux/mtd/map.h>
>  #include <linux/mtd/physmap.h>
> 
> +#include <plat/samsung-time.h>
> +
>  #include "common.h"
> 
>  static struct resource amlm5900_nor_resource =
> @@ -160,6 +162,7 @@ static void __init amlm5900_map_io(void)
>  	s3c24xx_init_io(amlm5900_iodesc, ARRAY_SIZE(amlm5900_iodesc));
>  	s3c24xx_init_clocks(0);
>  	s3c24xx_init_uarts(amlm5900_uartcfgs,
> ARRAY_SIZE(amlm5900_uartcfgs));
> +	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
>  }
> 
>  #ifdef CONFIG_FB_S3C2410
> diff --git a/arch/arm/mach-s3c24xx/mach-anubis.c b/arch/arm/mach-
> s3c24xx/mach-anubis.c
> index 1ee8c46..7d323ed 100644
> --- a/arch/arm/mach-s3c24xx/mach-anubis.c
> +++ b/arch/arm/mach-s3c24xx/mach-anubis.c
> @@ -54,6 +54,7 @@
>  #include <plat/devs.h>
>  #include <plat/cpu.h>
>  #include <linux/platform_data/asoc-s3c24xx_simtec.h>
> +#include <plat/samsung-time.h>
> 
>  #include "simtec.h"
>  #include "common.h"
> @@ -414,6 +415,7 @@ static void __init anubis_map_io(void)
>  	s3c24xx_init_io(anubis_iodesc, ARRAY_SIZE(anubis_iodesc));
>  	s3c24xx_init_clocks(0);
>  	s3c24xx_init_uarts(anubis_uartcfgs, ARRAY_SIZE(anubis_uartcfgs));
> +	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
> 
>  	/* check for the newer revision boards with large page nand */
> 
> diff --git a/arch/arm/mach-s3c24xx/mach-at2440evb.c b/arch/arm/mach-
> s3c24xx/mach-at2440evb.c
> index 00381fe..1e93cb3 100644
> --- a/arch/arm/mach-s3c24xx/mach-at2440evb.c
> +++ b/arch/arm/mach-s3c24xx/mach-at2440evb.c
> @@ -48,6 +48,7 @@
>  #include <plat/devs.h>
>  #include <plat/cpu.h>
>  #include <linux/platform_data/mmc-s3cmci.h>
> +#include <plat/samsung-time.h>
> 
>  #include "common.h"
> 
> @@ -192,6 +193,7 @@ static void __init at2440evb_map_io(void)
>  	s3c24xx_init_io(at2440evb_iodesc, ARRAY_SIZE(at2440evb_iodesc));
>  	s3c24xx_init_clocks(16934400);
>  	s3c24xx_init_uarts(at2440evb_uartcfgs,
> ARRAY_SIZE(at2440evb_uartcfgs));
> +	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
>  }
> 
>  static void __init at2440evb_init(void)
> diff --git a/arch/arm/mach-s3c24xx/mach-bast.c b/arch/arm/mach-
> s3c24xx/mach-bast.c
> index 6a30ce7..be3cc7a 100644
> --- a/arch/arm/mach-s3c24xx/mach-bast.c
> +++ b/arch/arm/mach-s3c24xx/mach-bast.c
> @@ -63,6 +63,7 @@
>  #include <plat/cpu-freq.h>
>  #include <plat/gpio-cfg.h>
>  #include <linux/platform_data/asoc-s3c24xx_simtec.h>
> +#include <plat/samsung-time.h>
> 
>  #include "simtec.h"
>  #include "common.h"
> @@ -583,6 +584,7 @@ static void __init bast_map_io(void)
>  	s3c24xx_init_io(bast_iodesc, ARRAY_SIZE(bast_iodesc));
>  	s3c24xx_init_clocks(0);
>  	s3c24xx_init_uarts(bast_uartcfgs, ARRAY_SIZE(bast_uartcfgs));
> +	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
>  }
> 
>  static void __init bast_init(void)
> diff --git a/arch/arm/mach-s3c24xx/mach-gta02.c b/arch/arm/mach-
> s3c24xx/mach-gta02.c
> index 4a96346..3f83412 100644
> --- a/arch/arm/mach-s3c24xx/mach-gta02.c
> +++ b/arch/arm/mach-s3c24xx/mach-gta02.c
> @@ -88,6 +88,7 @@
>  #include <plat/gpio-cfg.h>
>  #include <linux/platform_data/i2c-s3c2410.h>
>  #include <linux/platform_data/touchscreen-s3c2410.h>
> +#include <plat/samsung-time.h>
> 
>  #include "common.h"
> 
> @@ -507,6 +508,7 @@ static void __init gta02_map_io(void)
>  	s3c24xx_init_io(gta02_iodesc, ARRAY_SIZE(gta02_iodesc));
>  	s3c24xx_init_clocks(12000000);
>  	s3c24xx_init_uarts(gta02_uartcfgs, ARRAY_SIZE(gta02_uartcfgs));
> +	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
>  }
> 
> 
> diff --git a/arch/arm/mach-s3c24xx/mach-h1940.c b/arch/arm/mach-
> s3c24xx/mach-h1940.c
> index 63aaf07..1455779 100644
> --- a/arch/arm/mach-s3c24xx/mach-h1940.c
> +++ b/arch/arm/mach-s3c24xx/mach-h1940.c
> @@ -67,6 +67,7 @@
>  #include <plat/pm.h>
>  #include <linux/platform_data/mmc-s3cmci.h>
>  #include <linux/platform_data/touchscreen-s3c2410.h>
> +#include <plat/samsung-time.h>
> 
>  #include <sound/uda1380.h>
> 
> @@ -652,6 +653,7 @@ static void __init h1940_map_io(void)
>  	s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
>  	s3c24xx_init_clocks(0);
>  	s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
> +	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
> 
>  	/* setup PM */
> 
> diff --git a/arch/arm/mach-s3c24xx/mach-jive.c b/arch/arm/mach-
> s3c24xx/mach-jive.c
> index c9954e2..9671c42 100644
> --- a/arch/arm/mach-s3c24xx/mach-jive.c
> +++ b/arch/arm/mach-s3c24xx/mach-jive.c
> @@ -55,6 +55,7 @@
>  #include <plat/cpu.h>
>  #include <plat/pm.h>
>  #include <linux/platform_data/usb-s3c2410_udc.h>
> +#include <plat/samsung-time.h>
> 
>  static struct map_desc jive_iodesc[] __initdata = {
>  };
> @@ -506,6 +507,7 @@ static void __init jive_map_io(void)
>  	s3c24xx_init_io(jive_iodesc, ARRAY_SIZE(jive_iodesc));
>  	s3c24xx_init_clocks(12000000);
>  	s3c24xx_init_uarts(jive_uartcfgs, ARRAY_SIZE(jive_uartcfgs));
> +	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
>  }
> 
>  static void jive_power_off(void)
> diff --git a/arch/arm/mach-s3c24xx/mach-mini2440.c b/arch/arm/mach-
> s3c24xx/mach-mini2440.c
> index 393c0f1..a96efcd 100644
> --- a/arch/arm/mach-s3c24xx/mach-mini2440.c
> +++ b/arch/arm/mach-s3c24xx/mach-mini2440.c
> @@ -57,6 +57,7 @@
>  #include <plat/clock.h>
>  #include <plat/devs.h>
>  #include <plat/cpu.h>
> +#include <plat/samsung-time.h>
> 
>  #include <sound/s3c24xx_uda134x.h>
> 
> @@ -527,6 +528,7 @@ static void __init mini2440_map_io(void)
>  	s3c24xx_init_io(mini2440_iodesc, ARRAY_SIZE(mini2440_iodesc));
>  	s3c24xx_init_clocks(12000000);
>  	s3c24xx_init_uarts(mini2440_uartcfgs,
> ARRAY_SIZE(mini2440_uartcfgs));
> +	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
>  }
> 
>  /*
> @@ -689,6 +691,6 @@ MACHINE_START(MINI2440, "MINI2440")
>  	.map_io		= mini2440_map_io,
>  	.init_machine	= mini2440_init,
>  	.init_irq	= s3c24xx_init_irq,
> -	.timer		= &s3c24xx_timer,
> +	.timer		= &samsung_timer,
>  	.restart	= s3c244x_restart,
>  MACHINE_END
> diff --git a/arch/arm/mach-s3c24xx/mach-n30.c b/arch/arm/mach-
> s3c24xx/mach-n30.c
> index c53a9bf..ea80658 100644
> --- a/arch/arm/mach-s3c24xx/mach-n30.c
> +++ b/arch/arm/mach-s3c24xx/mach-n30.c
> @@ -50,6 +50,7 @@
>  #include <linux/platform_data/mmc-s3cmci.h>
>  #include <plat/s3c2410.h>
>  #include <linux/platform_data/usb-s3c2410_udc.h>
> +#include <plat/samsung-time.h>
> 
>  #include "common.h"
> 
> @@ -536,6 +537,7 @@ static void __init n30_map_io(void)
>  	n30_hwinit();
>  	s3c24xx_init_clocks(0);
>  	s3c24xx_init_uarts(n30_uartcfgs, ARRAY_SIZE(n30_uartcfgs));
> +	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
>  }
> 
>  /* GPB3 is the line that controls the pull-up for the USB D+ line */
> diff --git a/arch/arm/mach-s3c24xx/mach-nexcoder.c b/arch/arm/mach-
> s3c24xx/mach-nexcoder.c
> index a2b92b0..76acb5a 100644
> --- a/arch/arm/mach-s3c24xx/mach-nexcoder.c
> +++ b/arch/arm/mach-s3c24xx/mach-nexcoder.c
> @@ -46,6 +46,7 @@
>  #include <plat/clock.h>
>  #include <plat/devs.h>
>  #include <plat/cpu.h>
> +#include <plat/samsung-time.h>
> 
>  #include "common.h"
> 
> @@ -137,6 +138,7 @@ static void __init nexcoder_map_io(void)
>  	s3c24xx_init_io(nexcoder_iodesc, ARRAY_SIZE(nexcoder_iodesc));
>  	s3c24xx_init_clocks(0);
>  	s3c24xx_init_uarts(nexcoder_uartcfgs,
> ARRAY_SIZE(nexcoder_uartcfgs));
> +	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
> 
>  	nexcoder_sensorboard_init();
>  }
> diff --git a/arch/arm/mach-s3c24xx/mach-osiris.c b/arch/arm/mach-
> s3c24xx/mach-osiris.c
> index bb36d83..60a5f92 100644
> --- a/arch/arm/mach-s3c24xx/mach-osiris.c
> +++ b/arch/arm/mach-s3c24xx/mach-osiris.c
> @@ -53,6 +53,7 @@
>  #include <plat/clock.h>
>  #include <plat/devs.h>
>  #include <plat/cpu.h>
> +#include <plat/samsung-time.h>
> 
>  #include "common.h"
> 
> @@ -386,6 +387,7 @@ static void __init osiris_map_io(void)
>  	s3c24xx_init_io(osiris_iodesc, ARRAY_SIZE(osiris_iodesc));
>  	s3c24xx_init_clocks(0);
>  	s3c24xx_init_uarts(osiris_uartcfgs, ARRAY_SIZE(osiris_uartcfgs));
> +	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
> 
>  	/* check for the newer revision boards with large page nand */
> 
> diff --git a/arch/arm/mach-s3c24xx/mach-otom.c b/arch/arm/mach-
> s3c24xx/mach-otom.c
> index bca39f0..24e7d70 100644
> --- a/arch/arm/mach-s3c24xx/mach-otom.c
> +++ b/arch/arm/mach-s3c24xx/mach-otom.c
> @@ -37,6 +37,7 @@
>  #include <plat/devs.h>
>  #include <linux/platform_data/i2c-s3c2410.h>
>  #include <plat/cpu.h>
> +#include <plat/samsung-time.h>
> 
>  #include "common.h"
> 
> @@ -104,6 +105,7 @@ static void __init otom11_map_io(void)
>  	s3c24xx_init_io(otom11_iodesc, ARRAY_SIZE(otom11_iodesc));
>  	s3c24xx_init_clocks(0);
>  	s3c24xx_init_uarts(otom11_uartcfgs, ARRAY_SIZE(otom11_uartcfgs));
> +	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
>  }
> 
>  static void __init otom11_init(void)
> diff --git a/arch/arm/mach-s3c24xx/mach-qt2410.c b/arch/arm/mach-
> s3c24xx/mach-qt2410.c
> index 7b6ba13..b68ff2a 100644
> --- a/arch/arm/mach-s3c24xx/mach-qt2410.c
> +++ b/arch/arm/mach-s3c24xx/mach-qt2410.c
> @@ -60,6 +60,7 @@
>  #include <plat/devs.h>
>  #include <plat/cpu.h>
>  #include <plat/pm.h>
> +#include <plat/samsung-time.h>
> 
>  #include "common.h"
> 
> @@ -304,6 +305,7 @@ static void __init qt2410_map_io(void)
>  	s3c24xx_init_io(qt2410_iodesc, ARRAY_SIZE(qt2410_iodesc));
>  	s3c24xx_init_clocks(12*1000*1000);
>  	s3c24xx_init_uarts(smdk2410_uartcfgs,
> ARRAY_SIZE(smdk2410_uartcfgs));
> +	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
>  }
> 
>  static void __init qt2410_machine_init(void)
> diff --git a/arch/arm/mach-s3c24xx/mach-rx1950.c b/arch/arm/mach-
> s3c24xx/mach-rx1950.c
> index 379fde5..fc03bb80 100644
> --- a/arch/arm/mach-s3c24xx/mach-rx1950.c
> +++ b/arch/arm/mach-s3c24xx/mach-rx1950.c
> @@ -58,6 +58,7 @@
>  #include <plat/pm.h>
>  #include <plat/irq.h>
>  #include <linux/platform_data/touchscreen-s3c2410.h>
> +#include <plat/samsung-time.h>
> 
>  #include <sound/uda1380.h>
> 
> @@ -743,6 +744,7 @@ static void __init rx1950_map_io(void)
>  	s3c24xx_init_io(rx1950_iodesc, ARRAY_SIZE(rx1950_iodesc));
>  	s3c24xx_init_clocks(16934000);
>  	s3c24xx_init_uarts(rx1950_uartcfgs, ARRAY_SIZE(rx1950_uartcfgs));
> +	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
> 
>  	/* setup PM */
> 
> diff --git a/arch/arm/mach-s3c24xx/mach-rx3715.c b/arch/arm/mach-
> s3c24xx/mach-rx3715.c
> index dacbb9a..772e275 100644
> --- a/arch/arm/mach-s3c24xx/mach-rx3715.c
> +++ b/arch/arm/mach-s3c24xx/mach-rx3715.c
> @@ -50,6 +50,7 @@
>  #include <plat/devs.h>
>  #include <plat/cpu.h>
>  #include <plat/pm.h>
> +#include <plat/samsung-time.h>
> 
>  #include "common.h"
> 
> @@ -179,6 +180,7 @@ static void __init rx3715_map_io(void)
>  	s3c24xx_init_io(rx3715_iodesc, ARRAY_SIZE(rx3715_iodesc));
>  	s3c24xx_init_clocks(16934000);
>  	s3c24xx_init_uarts(rx3715_uartcfgs, ARRAY_SIZE(rx3715_uartcfgs));
> +	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
>  }
> 
>  /* H1940 and RX3715 need to reserve this for suspend */
> diff --git a/arch/arm/mach-s3c24xx/mach-smdk2410.c b/arch/arm/mach-
> s3c24xx/mach-smdk2410.c
> index 82796b9..76aa704 100644
> --- a/arch/arm/mach-s3c24xx/mach-smdk2410.c
> +++ b/arch/arm/mach-s3c24xx/mach-smdk2410.c
> @@ -53,6 +53,7 @@
>  #include <plat/cpu.h>
> 
>  #include <plat/common-smdk.h>
> +#include <plat/samsung-time.h>
> 
>  #include "common.h"
> 
> @@ -101,6 +102,7 @@ static void __init smdk2410_map_io(void)
>  	s3c24xx_init_io(smdk2410_iodesc, ARRAY_SIZE(smdk2410_iodesc));
>  	s3c24xx_init_clocks(0);
>  	s3c24xx_init_uarts(smdk2410_uartcfgs,
> ARRAY_SIZE(smdk2410_uartcfgs));
> +	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
>  }
> 
>  static void __init smdk2410_init(void)
> diff --git a/arch/arm/mach-s3c24xx/mach-smdk2413.c b/arch/arm/mach-
> s3c24xx/mach-smdk2413.c
> index ce99fd8..128dc88 100644
> --- a/arch/arm/mach-s3c24xx/mach-smdk2413.c
> +++ b/arch/arm/mach-s3c24xx/mach-smdk2413.c
> @@ -47,6 +47,7 @@
>  #include <plat/clock.h>
>  #include <plat/devs.h>
>  #include <plat/cpu.h>
> +#include <plat/samsung-time.h>
> 
>  #include <plat/common-smdk.h>
> 
> @@ -107,6 +108,7 @@ static void __init smdk2413_map_io(void)
>  	s3c24xx_init_io(smdk2413_iodesc, ARRAY_SIZE(smdk2413_iodesc));
>  	s3c24xx_init_clocks(12000000);
>  	s3c24xx_init_uarts(smdk2413_uartcfgs,
> ARRAY_SIZE(smdk2413_uartcfgs));
> +	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
>  }
> 
>  static void __init smdk2413_machine_init(void)
> diff --git a/arch/arm/mach-s3c24xx/mach-smdk2416.c b/arch/arm/mach-
> s3c24xx/mach-smdk2416.c
> index f30d7fc..ee5fcaf 100644
> --- a/arch/arm/mach-s3c24xx/mach-smdk2416.c
> +++ b/arch/arm/mach-s3c24xx/mach-smdk2416.c
> @@ -52,6 +52,7 @@
>  #include <plat/sdhci.h>
>  #include <linux/platform_data/usb-s3c2410_udc.h>
>  #include <linux/platform_data/s3c-hsudc.h>
> +#include <plat/samsung-time.h>
> 
>  #include <plat/fb.h>
> 
> @@ -222,6 +223,7 @@ static void __init smdk2416_map_io(void)
>  	s3c24xx_init_io(smdk2416_iodesc, ARRAY_SIZE(smdk2416_iodesc));
>  	s3c24xx_init_clocks(12000000);
>  	s3c24xx_init_uarts(smdk2416_uartcfgs,
> ARRAY_SIZE(smdk2416_uartcfgs));
> +	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
>  }
> 
>  static void __init smdk2416_machine_init(void)
> diff --git a/arch/arm/mach-s3c24xx/mach-smdk2440.c b/arch/arm/mach-
> s3c24xx/mach-smdk2440.c
> index b7ff882..bc443da 100644
> --- a/arch/arm/mach-s3c24xx/mach-smdk2440.c
> +++ b/arch/arm/mach-s3c24xx/mach-smdk2440.c
> @@ -44,6 +44,7 @@
>  #include <plat/clock.h>
>  #include <plat/devs.h>
>  #include <plat/cpu.h>
> +#include <plat/samsung-time.h>
> 
>  #include <plat/common-smdk.h>
> 
> @@ -164,6 +165,7 @@ static void __init smdk2440_map_io(void)
>  	s3c24xx_init_io(smdk2440_iodesc, ARRAY_SIZE(smdk2440_iodesc));
>  	s3c24xx_init_clocks(16934400);
>  	s3c24xx_init_uarts(smdk2440_uartcfgs,
> ARRAY_SIZE(smdk2440_uartcfgs));
> +	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
>  }
> 
>  static void __init smdk2440_machine_init(void)
> diff --git a/arch/arm/mach-s3c24xx/mach-smdk2443.c b/arch/arm/mach-
> s3c24xx/mach-smdk2443.c
> index 2568656..b5b128f 100644
> --- a/arch/arm/mach-s3c24xx/mach-smdk2443.c
> +++ b/arch/arm/mach-s3c24xx/mach-smdk2443.c
> @@ -44,6 +44,7 @@
>  #include <plat/clock.h>
>  #include <plat/devs.h>
>  #include <plat/cpu.h>
> +#include <plat/samsung-time.h>
> 
>  #include <plat/common-smdk.h>
> 
> @@ -123,6 +124,7 @@ static void __init smdk2443_map_io(void)
>  	s3c24xx_init_io(smdk2443_iodesc, ARRAY_SIZE(smdk2443_iodesc));
>  	s3c24xx_init_clocks(12000000);
>  	s3c24xx_init_uarts(smdk2443_uartcfgs,
> ARRAY_SIZE(smdk2443_uartcfgs));
> +	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
>  }
> 
>  static void __init smdk2443_machine_init(void)
> diff --git a/arch/arm/mach-s3c24xx/mach-tct_hammer.c b/arch/arm/mach-
> s3c24xx/mach-tct_hammer.c
> index 495bf5c..c6351a8 100644
> --- a/arch/arm/mach-s3c24xx/mach-tct_hammer.c
> +++ b/arch/arm/mach-s3c24xx/mach-tct_hammer.c
> @@ -53,6 +53,7 @@
>  #include <linux/mtd/partitions.h>
>  #include <linux/mtd/map.h>
>  #include <linux/mtd/physmap.h>
> +#include <plat/samsung-time.h>
> 
>  #include "common.h"
> 
> @@ -136,6 +137,7 @@ static void __init tct_hammer_map_io(void)
>  	s3c24xx_init_io(tct_hammer_iodesc, ARRAY_SIZE(tct_hammer_iodesc));
>  	s3c24xx_init_clocks(0);
>  	s3c24xx_init_uarts(tct_hammer_uartcfgs,
> ARRAY_SIZE(tct_hammer_uartcfgs));
> +	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
>  }
> 
>  static void __init tct_hammer_init(void)
> diff --git a/arch/arm/mach-s3c24xx/mach-vr1000.c b/arch/arm/mach-
> s3c24xx/mach-vr1000.c
> index 14d5b12..0c3d863 100644
> --- a/arch/arm/mach-s3c24xx/mach-vr1000.c
> +++ b/arch/arm/mach-s3c24xx/mach-vr1000.c
> @@ -50,6 +50,7 @@
>  #include <plat/cpu.h>
>  #include <linux/platform_data/i2c-s3c2410.h>
>  #include <linux/platform_data/asoc-s3c24xx_simtec.h>
> +#include <plat/samsung-time.h>
> 
>  #include "simtec.h"
>  #include "common.h"
> @@ -335,6 +336,7 @@ static void __init vr1000_map_io(void)
>  	s3c24xx_init_io(vr1000_iodesc, ARRAY_SIZE(vr1000_iodesc));
>  	s3c24xx_init_clocks(0);
>  	s3c24xx_init_uarts(vr1000_uartcfgs, ARRAY_SIZE(vr1000_uartcfgs));
> +	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
>  }
> 
>  static void __init vr1000_init(void)
> diff --git a/arch/arm/mach-s3c24xx/mach-vstms.c b/arch/arm/mach-
> s3c24xx/mach-vstms.c
> index f1d44ae..1741d00 100644
> --- a/arch/arm/mach-s3c24xx/mach-vstms.c
> +++ b/arch/arm/mach-s3c24xx/mach-vstms.c
> @@ -47,7 +47,7 @@
>  #include <plat/clock.h>
>  #include <plat/devs.h>
>  #include <plat/cpu.h>
> -
> +#include <plat/samsung-time.h>
> 
>  static struct map_desc vstms_iodesc[] __initdata = {
>  };
> @@ -144,6 +144,7 @@ static void __init vstms_map_io(void)
>  	s3c24xx_init_io(vstms_iodesc, ARRAY_SIZE(vstms_iodesc));
>  	s3c24xx_init_clocks(12000000);
>  	s3c24xx_init_uarts(vstms_uartcfgs, ARRAY_SIZE(vstms_uartcfgs));
> +	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
>  }
> 
>  static void __init vstms_init(void)
> diff --git a/arch/arm/mach-s3c64xx/mach-anw6410.c b/arch/arm/mach-
> s3c64xx/mach-anw6410.c
> index 99e82ac..717daaa 100644
> --- a/arch/arm/mach-s3c64xx/mach-anw6410.c
> +++ b/arch/arm/mach-s3c64xx/mach-anw6410.c
> @@ -51,6 +51,7 @@
>  #include <plat/cpu.h>
>  #include <mach/regs-gpio.h>
>  #include <mach/regs-modem.h>
> +#include <plat/samsung-time.h>
> 
>  #include "common.h"
> 
> @@ -209,6 +210,7 @@ static void __init anw6410_map_io(void)
>  	s3c64xx_init_io(anw6410_iodesc, ARRAY_SIZE(anw6410_iodesc));
>  	s3c24xx_init_clocks(12000000);
>  	s3c24xx_init_uarts(anw6410_uartcfgs, ARRAY_SIZE(anw6410_uartcfgs));
> +	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
> 
>  	anw6410_lcd_mode_set();
>  }
> diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach-
> s3c64xx/mach-crag6410.c
> index 13b7eaa..0d41166 100644
> --- a/arch/arm/mach-s3c64xx/mach-crag6410.c
> +++ b/arch/arm/mach-s3c64xx/mach-crag6410.c
> @@ -70,6 +70,7 @@
>  #include <plat/adc.h>
>  #include <linux/platform_data/i2c-s3c2410.h>
>  #include <plat/pm.h>
> +#include <plat/samsung-time.h>
> 
>  #include "common.h"
> 
> @@ -704,6 +705,7 @@ static void __init crag6410_map_io(void)
>  	s3c64xx_init_io(NULL, 0);
>  	s3c24xx_init_clocks(12000000);
>  	s3c24xx_init_uarts(crag6410_uartcfgs,
> ARRAY_SIZE(crag6410_uartcfgs));
> +	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
> 
>  	/* LCD type and Bypass set by bootloader */
>  }
> diff --git a/arch/arm/mach-s3c64xx/mach-hmt.c b/arch/arm/mach-
> s3c64xx/mach-hmt.c
> index 2b14489..30c0424 100644
> --- a/arch/arm/mach-s3c64xx/mach-hmt.c
> +++ b/arch/arm/mach-s3c64xx/mach-hmt.c
> @@ -42,6 +42,7 @@
>  #include <plat/clock.h>
>  #include <plat/devs.h>
>  #include <plat/cpu.h>
> +#include <plat/samsung-time.h>
> 
>  #include "common.h"
> 
> @@ -249,6 +250,7 @@ static void __init hmt_map_io(void)
>  	s3c64xx_init_io(hmt_iodesc, ARRAY_SIZE(hmt_iodesc));
>  	s3c24xx_init_clocks(12000000);
>  	s3c24xx_init_uarts(hmt_uartcfgs, ARRAY_SIZE(hmt_uartcfgs));
> +	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
>  }
> 
>  static void __init hmt_machine_init(void)
> diff --git a/arch/arm/mach-s3c64xx/mach-mini6410.c b/arch/arm/mach-
> s3c64xx/mach-mini6410.c
> index 07c349c..758f5708 100644
> --- a/arch/arm/mach-s3c64xx/mach-mini6410.c
> +++ b/arch/arm/mach-s3c64xx/mach-mini6410.c
> @@ -44,6 +44,7 @@
> 
>  #include <video/platform_lcd.h>
>  #include <video/samsung_fimd.h>
> +#include <plat/samsung-time.h>
> 
>  #include "common.h"
> 
> @@ -233,6 +234,7 @@ static void __init mini6410_map_io(void)
>  	s3c64xx_init_io(NULL, 0);
>  	s3c24xx_init_clocks(12000000);
>  	s3c24xx_init_uarts(mini6410_uartcfgs,
> ARRAY_SIZE(mini6410_uartcfgs));
> +	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
> 
>  	/* set the LCD type */
>  	tmp = __raw_readl(S3C64XX_SPCON);
> diff --git a/arch/arm/mach-s3c64xx/mach-ncp.c b/arch/arm/mach-
> s3c64xx/mach-ncp.c
> index e5f9a79..edfdd9f 100644
> --- a/arch/arm/mach-s3c64xx/mach-ncp.c
> +++ b/arch/arm/mach-s3c64xx/mach-ncp.c
> @@ -44,6 +44,7 @@
>  #include <plat/clock.h>
>  #include <plat/devs.h>
>  #include <plat/cpu.h>
> +#include <plat/samsung-time.h>
> 
>  #include "common.h"
> 
> @@ -88,6 +89,7 @@ static void __init ncp_map_io(void)
>  	s3c64xx_init_io(ncp_iodesc, ARRAY_SIZE(ncp_iodesc));
>  	s3c24xx_init_clocks(12000000);
>  	s3c24xx_init_uarts(ncp_uartcfgs, ARRAY_SIZE(ncp_uartcfgs));
> +	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
>  }
> 
>  static void __init ncp_machine_init(void)
> diff --git a/arch/arm/mach-s3c64xx/mach-real6410.c b/arch/arm/mach-
> s3c64xx/mach-real6410.c
> index 7476f7c..dd9980d 100644
> --- a/arch/arm/mach-s3c64xx/mach-real6410.c
> +++ b/arch/arm/mach-s3c64xx/mach-real6410.c
> @@ -45,6 +45,7 @@
> 
>  #include <video/platform_lcd.h>
>  #include <video/samsung_fimd.h>
> +#include <plat/samsung-time.h>
> 
>  #include "common.h"
> 
> @@ -212,6 +213,7 @@ static void __init real6410_map_io(void)
>  	s3c64xx_init_io(NULL, 0);
>  	s3c24xx_init_clocks(12000000);
>  	s3c24xx_init_uarts(real6410_uartcfgs,
> ARRAY_SIZE(real6410_uartcfgs));
> +	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
> 
>  	/* set the LCD type */
>  	tmp = __raw_readl(S3C64XX_SPCON);
> diff --git a/arch/arm/mach-s3c64xx/mach-smartq.c b/arch/arm/mach-
> s3c64xx/mach-smartq.c
> index c6d7390..df314f1 100644
> --- a/arch/arm/mach-s3c64xx/mach-smartq.c
> +++ b/arch/arm/mach-s3c64xx/mach-smartq.c
> @@ -39,6 +39,7 @@
>  #include <linux/platform_data/touchscreen-s3c2410.h>
> 
>  #include <video/platform_lcd.h>
> +#include <plat/samsung-time.h>
> 
>  #include "common.h"
> 
> @@ -378,6 +379,7 @@ void __init smartq_map_io(void)
>  	s3c64xx_init_io(smartq_iodesc, ARRAY_SIZE(smartq_iodesc));
>  	s3c24xx_init_clocks(12000000);
>  	s3c24xx_init_uarts(smartq_uartcfgs, ARRAY_SIZE(smartq_uartcfgs));
> +	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
> 
>  	smartq_lcd_mode_set();
>  }
> diff --git a/arch/arm/mach-s3c64xx/mach-smartq5.c b/arch/arm/mach-
> s3c64xx/mach-smartq5.c
> index 96d6da2..1a6baf2 100644
> --- a/arch/arm/mach-s3c64xx/mach-smartq5.c
> +++ b/arch/arm/mach-s3c64xx/mach-smartq5.c
> @@ -29,6 +29,7 @@
>  #include <plat/devs.h>
>  #include <plat/fb.h>
>  #include <plat/gpio-cfg.h>
> +#include <plat/samsung-time.h>
> 
>  #include "common.h"
>  #include "mach-smartq.h"
> diff --git a/arch/arm/mach-s3c64xx/mach-smartq7.c b/arch/arm/mach-
> s3c64xx/mach-smartq7.c
> index 7d1167b..e193866 100644
> --- a/arch/arm/mach-s3c64xx/mach-smartq7.c
> +++ b/arch/arm/mach-s3c64xx/mach-smartq7.c
> @@ -29,6 +29,7 @@
>  #include <plat/devs.h>
>  #include <plat/fb.h>
>  #include <plat/gpio-cfg.h>
> +#include <plat/samsung-time.h>
> 
>  #include "common.h"
>  #include "mach-smartq.h"
> diff --git a/arch/arm/mach-s3c64xx/mach-smdk6400.c b/arch/arm/mach-
> s3c64xx/mach-smdk6400.c
> index a928fae..b2bac82 100644
> --- a/arch/arm/mach-s3c64xx/mach-smdk6400.c
> +++ b/arch/arm/mach-s3c64xx/mach-smdk6400.c
> @@ -36,6 +36,7 @@
>  #include <plat/devs.h>
>  #include <plat/cpu.h>
>  #include <linux/platform_data/i2c-s3c2410.h>
> +#include <plat/samsung-time.h>
> 
>  #include "common.h"
> 
> @@ -67,6 +68,7 @@ static void __init smdk6400_map_io(void)
>  	s3c64xx_init_io(smdk6400_iodesc, ARRAY_SIZE(smdk6400_iodesc));
>  	s3c24xx_init_clocks(12000000);
>  	s3c24xx_init_uarts(smdk6400_uartcfgs,
> ARRAY_SIZE(smdk6400_uartcfgs));
> +	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
>  }
> 
>  static struct platform_device *smdk6400_devices[] __initdata = {
> diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-
> s3c64xx/mach-smdk6410.c
> index da1a771..d8fe796 100644
> --- a/arch/arm/mach-s3c64xx/mach-smdk6410.c
> +++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c
> @@ -73,6 +73,7 @@
>  #include <linux/platform_data/touchscreen-s3c2410.h>
>  #include <plat/keypad.h>
>  #include <plat/backlight.h>
> +#include <plat/samsung-time.h>
> 
>  #include "common.h"
> 
> @@ -636,6 +637,7 @@ static void __init smdk6410_map_io(void)
>  	s3c64xx_init_io(smdk6410_iodesc, ARRAY_SIZE(smdk6410_iodesc));
>  	s3c24xx_init_clocks(12000000);
>  	s3c24xx_init_uarts(smdk6410_uartcfgs,
> ARRAY_SIZE(smdk6410_uartcfgs));
> +	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
> 
>  	/* set the LCD type */
> 
> diff --git a/arch/arm/mach-s5p64x0/Kconfig b/arch/arm/mach-s5p64x0/Kconfig
> index e8742cb..f0ec535 100644
> --- a/arch/arm/mach-s5p64x0/Kconfig
> +++ b/arch/arm/mach-s5p64x0/Kconfig
> @@ -9,7 +9,7 @@ if ARCH_S5P64X0
> 
>  config CPU_S5P6440
>  	bool
> -	select S5P_HRT
> +	select SAMSUNG_HRT
>  	select S5P_SLEEP if PM
>  	select SAMSUNG_DMADEV
>  	select SAMSUNG_WAKEMASK if PM
> @@ -18,7 +18,7 @@ config CPU_S5P6440
> 
>  config CPU_S5P6450
>  	bool
> -	select S5P_HRT
> +	select SAMSUNG_HRT
>  	select S5P_SLEEP if PM
>  	select SAMSUNG_DMADEV
>  	select SAMSUNG_WAKEMASK if PM
> diff --git a/arch/arm/mach-s5p64x0/mach-smdk6440.c b/arch/arm/mach-
> s5p64x0/mach-smdk6440.c
> index 96ea1fe..35c3fd3 100644
> --- a/arch/arm/mach-s5p64x0/mach-smdk6440.c
> +++ b/arch/arm/mach-s5p64x0/mach-smdk6440.c
> @@ -50,7 +50,7 @@
>  #include <plat/pll.h>
>  #include <plat/adc.h>
>  #include <linux/platform_data/touchscreen-s3c2410.h>
> -#include <plat/s5p-time.h>
> +#include <plat/samsung-time.h>
>  #include <plat/backlight.h>
>  #include <plat/fb.h>
>  #include <plat/sdhci.h>
> @@ -231,7 +231,7 @@ static void __init smdk6440_map_io(void)
>  	s5p64x0_init_io(NULL, 0);
>  	s3c24xx_init_clocks(12000000);
>  	s3c24xx_init_uarts(smdk6440_uartcfgs,
> ARRAY_SIZE(smdk6440_uartcfgs));
> -	s5p_set_timer_source(S5P_PWM3, S5P_PWM4);
> +	samsung_set_timer_source(S5P_PWM3, S5P_PWM4);
>  }
> 
>  static void s5p6440_set_lcd_interface(void)
> diff --git a/arch/arm/mach-s5p64x0/mach-smdk6450.c b/arch/arm/mach-
> s5p64x0/mach-smdk6450.c
> index 12748b6..b06fa83 100644
> --- a/arch/arm/mach-s5p64x0/mach-smdk6450.c
> +++ b/arch/arm/mach-s5p64x0/mach-smdk6450.c
> @@ -50,7 +50,7 @@
>  #include <plat/pll.h>
>  #include <plat/adc.h>
>  #include <linux/platform_data/touchscreen-s3c2410.h>
> -#include <plat/s5p-time.h>
> +#include <plat/samsung-time.h>
>  #include <plat/backlight.h>
>  #include <plat/fb.h>
>  #include <plat/sdhci.h>
> @@ -250,7 +250,7 @@ static void __init smdk6450_map_io(void)
>  	s5p64x0_init_io(NULL, 0);
>  	s3c24xx_init_clocks(19200000);
>  	s3c24xx_init_uarts(smdk6450_uartcfgs,
> ARRAY_SIZE(smdk6450_uartcfgs));
> -	s5p_set_timer_source(S5P_PWM3, S5P_PWM4);
> +	samsung_set_timer_source(S5P_PWM3, S5P_PWM4);
>  }
> 
>  static void s5p6450_set_lcd_interface(void)
> diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig
> index 92ad72f..01018ef 100644
> --- a/arch/arm/mach-s5pv210/Kconfig
> +++ b/arch/arm/mach-s5pv210/Kconfig
> @@ -12,7 +12,7 @@ if ARCH_S5PV210
>  config CPU_S5PV210
>  	bool
>  	select S5P_EXT_INT
> -	select S5P_HRT
> +	select SAMSUNG_HRT
>  	select S5P_PM if PM
>  	select S5P_SLEEP if PM
>  	select SAMSUNG_DMADEV
> diff --git a/arch/arm/mach-s5pv210/mach-aquila.c b/arch/arm/mach-
> s5pv210/mach-aquila.c
> index ee9fa5c..46b2842 100644
> --- a/arch/arm/mach-s5pv210/mach-aquila.c
> +++ b/arch/arm/mach-s5pv210/mach-aquila.c
> @@ -39,7 +39,7 @@
>  #include <plat/fb.h>
>  #include <plat/fimc-core.h>
>  #include <plat/sdhci.h>
> -#include <plat/s5p-time.h>
> +#include <plat/samsung-time.h>
> 
>  #include "common.h"
> 
> @@ -652,7 +652,7 @@ static void __init aquila_map_io(void)
>  	s5pv210_init_io(NULL, 0);
>  	s3c24xx_init_clocks(24000000);
>  	s3c24xx_init_uarts(aquila_uartcfgs, ARRAY_SIZE(aquila_uartcfgs));
> -	s5p_set_timer_source(S5P_PWM3, S5P_PWM4);
> +	samsung_set_timer_source(S5P_PWM3, S5P_PWM4);
>  }
> 
>  static void __init aquila_machine_init(void)
> diff --git a/arch/arm/mach-s5pv210/mach-goni.c b/arch/arm/mach-
> s5pv210/mach-goni.c
> index 55e1dba..6efcc19 100644
> --- a/arch/arm/mach-s5pv210/mach-goni.c
> +++ b/arch/arm/mach-s5pv210/mach-goni.c
> @@ -48,7 +48,7 @@
>  #include <plat/keypad.h>
>  #include <plat/sdhci.h>
>  #include <plat/clock.h>
> -#include <plat/s5p-time.h>
> +#include <plat/samsung-time.h>
>  #include <plat/mfc.h>
>  #include <plat/camport.h>
> 
> @@ -910,7 +910,7 @@ static void __init goni_map_io(void)
>  	s5pv210_init_io(NULL, 0);
>  	s3c24xx_init_clocks(clk_xusbxti.rate);
>  	s3c24xx_init_uarts(goni_uartcfgs, ARRAY_SIZE(goni_uartcfgs));
> -	s5p_set_timer_source(S5P_PWM3, S5P_PWM4);
> +	samsung_set_timer_source(S5P_PWM3, S5P_PWM4);
>  }
> 
>  static void __init goni_reserve(void)
> diff --git a/arch/arm/mach-s5pv210/mach-smdkc110.c b/arch/arm/mach-
> s5pv210/mach-smdkc110.c
> index d9c99fc..213b3a3 100644
> --- a/arch/arm/mach-s5pv210/mach-smdkc110.c
> +++ b/arch/arm/mach-s5pv210/mach-smdkc110.c
> @@ -30,7 +30,7 @@
>  #include <linux/platform_data/ata-samsung_cf.h>
>  #include <linux/platform_data/i2c-s3c2410.h>
>  #include <plat/pm.h>
> -#include <plat/s5p-time.h>
> +#include <plat/samsung-time.h>
>  #include <plat/mfc.h>
> 
>  #include "common.h"
> @@ -122,7 +122,7 @@ static void __init smdkc110_map_io(void)
>  	s5pv210_init_io(NULL, 0);
>  	s3c24xx_init_clocks(24000000);
>  	s3c24xx_init_uarts(smdkv210_uartcfgs,
> ARRAY_SIZE(smdkv210_uartcfgs));
> -	s5p_set_timer_source(S5P_PWM3, S5P_PWM4);
> +	samsung_set_timer_source(S5P_PWM3, S5P_PWM4);
>  }
> 
>  static void __init smdkc110_reserve(void)
> diff --git a/arch/arm/mach-s5pv210/mach-smdkv210.c b/arch/arm/mach-
> s5pv210/mach-smdkv210.c
> index 4cdb5bb..00806de 100644
> --- a/arch/arm/mach-s5pv210/mach-smdkv210.c
> +++ b/arch/arm/mach-s5pv210/mach-smdkv210.c
> @@ -45,7 +45,7 @@
>  #include <plat/keypad.h>
>  #include <plat/pm.h>
>  #include <plat/fb.h>
> -#include <plat/s5p-time.h>
> +#include <plat/samsung-time.h>
>  #include <plat/backlight.h>
>  #include <plat/mfc.h>
>  #include <plat/clock.h>
> @@ -287,7 +287,7 @@ static void __init smdkv210_map_io(void)
>  	s5pv210_init_io(NULL, 0);
>  	s3c24xx_init_clocks(clk_xusbxti.rate);
>  	s3c24xx_init_uarts(smdkv210_uartcfgs,
> ARRAY_SIZE(smdkv210_uartcfgs));
> -	s5p_set_timer_source(S5P_PWM2, S5P_PWM4);
> +	samsung_set_timer_source(S5P_PWM2, S5P_PWM4);
>  }
> 
>  static void __init smdkv210_reserve(void)
> diff --git a/arch/arm/mach-s5pv210/mach-torbreck.c b/arch/arm/mach-
> s5pv210/mach-torbreck.c
> index 18785cb..1b01f05 100644
> --- a/arch/arm/mach-s5pv210/mach-torbreck.c
> +++ b/arch/arm/mach-s5pv210/mach-torbreck.c
> @@ -27,7 +27,7 @@
>  #include <plat/devs.h>
>  #include <plat/cpu.h>
>  #include <linux/platform_data/i2c-s3c2410.h>
> -#include <plat/s5p-time.h>
> +#include <plat/samsung-time.h>
> 
>  #include "common.h"
> 
> @@ -107,7 +107,7 @@ static void __init torbreck_map_io(void)
>  	s5pv210_init_io(NULL, 0);
>  	s3c24xx_init_clocks(24000000);
>  	s3c24xx_init_uarts(torbreck_uartcfgs,
> ARRAY_SIZE(torbreck_uartcfgs));
> -	s5p_set_timer_source(S5P_PWM3, S5P_PWM4);
> +	samsung_set_timer_source(S5P_PWM3, S5P_PWM4);
>  }
> 
>  static void __init torbreck_machine_init(void)
> diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
> index 59401e1..5278795 100644
> --- a/arch/arm/plat-samsung/Kconfig
> +++ b/arch/arm/plat-samsung/Kconfig
> @@ -70,7 +70,7 @@ config S3C_LOWLEVEL_UART_PORT
> 
>  # timer options
> 
> -config S5P_HRT
> +config SAMSUNG_HRT
>  	bool
>  	select SAMSUNG_DEV_PWM
>  	help
> diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-
> samsung/Makefile
> index 9e40e8d..06f2312 100644
> --- a/arch/arm/plat-samsung/Makefile
> +++ b/arch/arm/plat-samsung/Makefile
> @@ -13,7 +13,7 @@ obj-				:=
> 
>  obj-y				+= init.o cpu.o
>  obj-$(CONFIG_ARCH_USES_GETTIMEOFFSET)   += time.o
> -obj-$(CONFIG_S5P_HRT) 		+= s5p-time.o
> +obj-$(CONFIG_SAMSUNG_HRT) 		+= samsung-time.o
> 
>  obj-$(CONFIG_SAMSUNG_CLOCK)	+= clock.o
>  obj-$(CONFIG_SAMSUNG_CLOCK)	+= pwm-clock.o
> diff --git a/arch/arm/plat-samsung/include/plat/s5p-time.h
> b/arch/arm/plat-samsung/include/plat/s5p-time.h
> deleted file mode 100644
> index 3a70aeb..0000000
> --- a/arch/arm/plat-samsung/include/plat/s5p-time.h
> +++ /dev/null
> @@ -1,40 +0,0 @@
> -/* linux/arch/arm/plat-samsung/include/plat/s5p-time.h
> - *
> - * Copyright 2011 Samsung Electronics Co., Ltd.
> - *		http://www.samsung.com/
> - *
> - * Header file for s5p time support
> - *
> - * This program is free software; you can redistribute it and/or modify
> - * it under the terms of the GNU General Public License version 2 as
> - * published by the Free Software Foundation.
> -*/
> -
> -#ifndef __ASM_PLAT_S5P_TIME_H
> -#define __ASM_PLAT_S5P_TIME_H __FILE__
> -
> -/* S5P HR-Timer Clock mode */
> -enum s5p_timer_mode {
> -	S5P_PWM0,
> -	S5P_PWM1,
> -	S5P_PWM2,
> -	S5P_PWM3,
> -	S5P_PWM4,
> -};
> -
> -struct s5p_timer_source {
> -	unsigned int event_id;
> -	unsigned int source_id;
> -};
> -
> -/* Be able to sleep for atleast 4 seconds (usually more) */
> -#define S5PTIMER_MIN_RANGE	4
> -
> -#define TCNT_MAX		0xffffffff
> -#define NON_PERIODIC		0
> -#define PERIODIC		1
> -
> -extern void __init s5p_set_timer_source(enum s5p_timer_mode event,
> -					enum s5p_timer_mode source);
> -extern	struct sys_timer s5p_timer;
> -#endif /* __ASM_PLAT_S5P_TIME_H */
> diff --git a/arch/arm/plat-samsung/include/plat/samsung-time.h
> b/arch/arm/plat-samsung/include/plat/samsung-time.h
> new file mode 100644
> index 0000000..d3d1c81
> --- /dev/null
> +++ b/arch/arm/plat-samsung/include/plat/samsung-time.h
> @@ -0,0 +1,51 @@
> +/* linux/arch/arm/plat-samsung/include/plat/samsung-time.h
> + *
> + * Copyright 2011 Samsung Electronics Co., Ltd.
> + *		http://www.samsung.com/
> + *
> + * Header file for samsung time support
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> +*/
> +
> +#ifndef __ASM_PLAT_SAMSUNG_TIME_H
> +#define __ASM_PLAT_SAMSUNG_TIME_H __FILE__
> +
> +/* SAMSUNG HR-Timer Clock mode */
> +enum samsung_timer_mode {
> +	SAMSUNG_PWM0,
> +	SAMSUNG_PWM1,
> +	SAMSUNG_PWM2,
> +	SAMSUNG_PWM3,
> +	SAMSUNG_PWM4,
> +};
> +
> +struct samsung_timer_source {
> +	unsigned int event_id;
> +	unsigned int source_id;
> +};
> +
> +/* Be able to sleep for atleast 4 seconds (usually more) */
> +#define SAMSUNG_TIMER_MIN_RANGE	4
> +
> +#ifdef CONFIG_ARCH_S3C24XX
> +#define TCNT_MAX		0xffff
> +#define TSCALER_DIV		25
> +#define TDIV			50
> +#define TSIZE			16
> +#else
> +#define TCNT_MAX		0xffffffff
> +#define TSCALER_DIV		2
> +#define TDIV			2
> +#define TSIZE			32
> +#endif
> +
> +#define NON_PERIODIC		0
> +#define PERIODIC		1
> +
> +extern void __init samsung_set_timer_source(enum samsung_timer_mode
event,
> +					enum samsung_timer_mode source);
> +extern	struct sys_timer samsung_timer;
> +#endif /* __ASM_PLAT_SAMSUNG_TIME_H */
> diff --git a/arch/arm/plat-samsung/s5p-time.c b/arch/arm/plat-samsung/s5p-
> time.c
> deleted file mode 100644
> index 028b6e8..0000000
> --- a/arch/arm/plat-samsung/s5p-time.c
> +++ /dev/null
> @@ -1,405 +0,0 @@
> -/*
> - * Copyright (c) 2011 Samsung Electronics Co., Ltd.
> - *		http://www.samsung.com/
> - *
> - * S5P - Common hr-timer support
> - *
> - * This program is free software; you can redistribute it and/or modify
> - * it under the terms of the GNU General Public License version 2 as
> - * published by the Free Software Foundation.
> -*/
> -
> -#include <linux/interrupt.h>
> -#include <linux/irq.h>
> -#include <linux/err.h>
> -#include <linux/clk.h>
> -#include <linux/clockchips.h>
> -#include <linux/platform_device.h>
> -
> -#include <asm/smp_twd.h>
> -#include <asm/mach/time.h>
> -#include <asm/mach/arch.h>
> -#include <asm/mach/map.h>
> -#include <asm/sched_clock.h>
> -
> -#include <mach/map.h>
> -#include <plat/devs.h>
> -#include <plat/regs-timer.h>
> -#include <plat/s5p-time.h>
> -
> -static struct clk *tin_event;
> -static struct clk *tin_source;
> -static struct clk *tdiv_event;
> -static struct clk *tdiv_source;
> -static struct clk *timerclk;
> -static struct s5p_timer_source timer_source;
> -static unsigned long clock_count_per_tick;
> -static void s5p_timer_resume(void);
> -
> -static void s5p_time_stop(enum s5p_timer_mode mode)
> -{
> -	unsigned long tcon;
> -
> -	tcon = __raw_readl(S3C2410_TCON);
> -
> -	switch (mode) {
> -	case S5P_PWM0:
> -		tcon &= ~S3C2410_TCON_T0START;
> -		break;
> -
> -	case S5P_PWM1:
> -		tcon &= ~S3C2410_TCON_T1START;
> -		break;
> -
> -	case S5P_PWM2:
> -		tcon &= ~S3C2410_TCON_T2START;
> -		break;
> -
> -	case S5P_PWM3:
> -		tcon &= ~S3C2410_TCON_T3START;
> -		break;
> -
> -	case S5P_PWM4:
> -		tcon &= ~S3C2410_TCON_T4START;
> -		break;
> -
> -	default:
> -		printk(KERN_ERR "Invalid Timer %d\n", mode);
> -		break;
> -	}
> -	__raw_writel(tcon, S3C2410_TCON);
> -}
> -
> -static void s5p_time_setup(enum s5p_timer_mode mode, unsigned long tcnt)
> -{
> -	unsigned long tcon;
> -
> -	tcon = __raw_readl(S3C2410_TCON);
> -
> -	tcnt--;
> -
> -	switch (mode) {
> -	case S5P_PWM0:
> -		tcon &= ~(0x0f << 0);
> -		tcon |= S3C2410_TCON_T0MANUALUPD;
> -		break;
> -
> -	case S5P_PWM1:
> -		tcon &= ~(0x0f << 8);
> -		tcon |= S3C2410_TCON_T1MANUALUPD;
> -		break;
> -
> -	case S5P_PWM2:
> -		tcon &= ~(0x0f << 12);
> -		tcon |= S3C2410_TCON_T2MANUALUPD;
> -		break;
> -
> -	case S5P_PWM3:
> -		tcon &= ~(0x0f << 16);
> -		tcon |= S3C2410_TCON_T3MANUALUPD;
> -		break;
> -
> -	case S5P_PWM4:
> -		tcon &= ~(0x07 << 20);
> -		tcon |= S3C2410_TCON_T4MANUALUPD;
> -		break;
> -
> -	default:
> -		printk(KERN_ERR "Invalid Timer %d\n", mode);
> -		break;
> -	}
> -
> -	__raw_writel(tcnt, S3C2410_TCNTB(mode));
> -	__raw_writel(tcnt, S3C2410_TCMPB(mode));
> -	__raw_writel(tcon, S3C2410_TCON);
> -}
> -
> -static void s5p_time_start(enum s5p_timer_mode mode, bool periodic)
> -{
> -	unsigned long tcon;
> -
> -	tcon  = __raw_readl(S3C2410_TCON);
> -
> -	switch (mode) {
> -	case S5P_PWM0:
> -		tcon |= S3C2410_TCON_T0START;
> -		tcon &= ~S3C2410_TCON_T0MANUALUPD;
> -
> -		if (periodic)
> -			tcon |= S3C2410_TCON_T0RELOAD;
> -		else
> -			tcon &= ~S3C2410_TCON_T0RELOAD;
> -		break;
> -
> -	case S5P_PWM1:
> -		tcon |= S3C2410_TCON_T1START;
> -		tcon &= ~S3C2410_TCON_T1MANUALUPD;
> -
> -		if (periodic)
> -			tcon |= S3C2410_TCON_T1RELOAD;
> -		else
> -			tcon &= ~S3C2410_TCON_T1RELOAD;
> -		break;
> -
> -	case S5P_PWM2:
> -		tcon |= S3C2410_TCON_T2START;
> -		tcon &= ~S3C2410_TCON_T2MANUALUPD;
> -
> -		if (periodic)
> -			tcon |= S3C2410_TCON_T2RELOAD;
> -		else
> -			tcon &= ~S3C2410_TCON_T2RELOAD;
> -		break;
> -
> -	case S5P_PWM3:
> -		tcon |= S3C2410_TCON_T3START;
> -		tcon &= ~S3C2410_TCON_T3MANUALUPD;
> -
> -		if (periodic)
> -			tcon |= S3C2410_TCON_T3RELOAD;
> -		else
> -			tcon &= ~S3C2410_TCON_T3RELOAD;
> -		break;
> -
> -	case S5P_PWM4:
> -		tcon |= S3C2410_TCON_T4START;
> -		tcon &= ~S3C2410_TCON_T4MANUALUPD;
> -
> -		if (periodic)
> -			tcon |= S3C2410_TCON_T4RELOAD;
> -		else
> -			tcon &= ~S3C2410_TCON_T4RELOAD;
> -		break;
> -
> -	default:
> -		printk(KERN_ERR "Invalid Timer %d\n", mode);
> -		break;
> -	}
> -	__raw_writel(tcon, S3C2410_TCON);
> -}
> -
> -static int s5p_set_next_event(unsigned long cycles,
> -				struct clock_event_device *evt)
> -{
> -	s5p_time_setup(timer_source.event_id, cycles);
> -	s5p_time_start(timer_source.event_id, NON_PERIODIC);
> -
> -	return 0;
> -}
> -
> -static void s5p_set_mode(enum clock_event_mode mode,
> -				struct clock_event_device *evt)
> -{
> -	s5p_time_stop(timer_source.event_id);
> -
> -	switch (mode) {
> -	case CLOCK_EVT_MODE_PERIODIC:
> -		s5p_time_setup(timer_source.event_id, clock_count_per_tick);
> -		s5p_time_start(timer_source.event_id, PERIODIC);
> -		break;
> -
> -	case CLOCK_EVT_MODE_ONESHOT:
> -		break;
> -
> -	case CLOCK_EVT_MODE_UNUSED:
> -	case CLOCK_EVT_MODE_SHUTDOWN:
> -		break;
> -
> -	case CLOCK_EVT_MODE_RESUME:
> -		s5p_timer_resume();
> -		break;
> -	}
> -}
> -
> -static void s5p_timer_resume(void)
> -{
> -	/* event timer restart */
> -	s5p_time_setup(timer_source.event_id, clock_count_per_tick);
> -	s5p_time_start(timer_source.event_id, PERIODIC);
> -
> -	/* source timer restart */
> -	s5p_time_setup(timer_source.source_id, TCNT_MAX);
> -	s5p_time_start(timer_source.source_id, PERIODIC);
> -}
> -
> -void __init s5p_set_timer_source(enum s5p_timer_mode event,
> -				 enum s5p_timer_mode source)
> -{
> -	s3c_device_timer[event].dev.bus = &platform_bus_type;
> -	s3c_device_timer[source].dev.bus = &platform_bus_type;
> -
> -	timer_source.event_id = event;
> -	timer_source.source_id = source;
> -}
> -
> -static struct clock_event_device time_event_device = {
> -	.name		= "s5p_event_timer",
> -	.features	= CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
> -	.rating		= 200,
> -	.set_next_event	= s5p_set_next_event,
> -	.set_mode	= s5p_set_mode,
> -};
> -
> -static irqreturn_t s5p_clock_event_isr(int irq, void *dev_id)
> -{
> -	struct clock_event_device *evt = dev_id;
> -
> -	evt->event_handler(evt);
> -
> -	return IRQ_HANDLED;
> -}
> -
> -static struct irqaction s5p_clock_event_irq = {
> -	.name		= "s5p_time_irq",
> -	.flags		= IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
> -	.handler	= s5p_clock_event_isr,
> -	.dev_id		= &time_event_device,
> -};
> -
> -static void __init s5p_clockevent_init(void)
> -{
> -	unsigned long pclk;
> -	unsigned long clock_rate;
> -	unsigned int irq_number;
> -	struct clk *tscaler;
> -
> -	pclk = clk_get_rate(timerclk);
> -
> -	tscaler = clk_get_parent(tdiv_event);
> -
> -	clk_set_rate(tscaler, pclk / 2);
> -	clk_set_rate(tdiv_event, pclk / 2);
> -	clk_set_parent(tin_event, tdiv_event);
> -
> -	clock_rate = clk_get_rate(tin_event);
> -	clock_count_per_tick = clock_rate / HZ;
> -
> -	clockevents_calc_mult_shift(&time_event_device,
> -				    clock_rate, S5PTIMER_MIN_RANGE);
> -	time_event_device.max_delta_ns =
> -		clockevent_delta2ns(-1, &time_event_device);
> -	time_event_device.min_delta_ns =
> -		clockevent_delta2ns(1, &time_event_device);
> -
> -	time_event_device.cpumask = cpumask_of(0);
> -	clockevents_register_device(&time_event_device);
> -
> -	irq_number = timer_source.event_id + IRQ_TIMER0;
> -	setup_irq(irq_number, &s5p_clock_event_irq);
> -}
> -
> -static void __iomem *s5p_timer_reg(void)
> -{
> -	unsigned long offset = 0;
> -
> -	switch (timer_source.source_id) {
> -	case S5P_PWM0:
> -	case S5P_PWM1:
> -	case S5P_PWM2:
> -	case S5P_PWM3:
> -		offset = (timer_source.source_id * 0x0c) + 0x14;
> -		break;
> -
> -	case S5P_PWM4:
> -		offset = 0x40;
> -		break;
> -
> -	default:
> -		printk(KERN_ERR "Invalid Timer %d\n",
> timer_source.source_id);
> -		return NULL;
> -	}
> -
> -	return S3C_TIMERREG(offset);
> -}
> -
> -/*
> - * Override the global weak sched_clock symbol with this
> - * local implementation which uses the clocksource to get some
> - * better resolution when scheduling the kernel. We accept that
> - * this wraps around for now, since it is just a relative time
> - * stamp. (Inspired by U300 implementation.)
> - */
> -static u32 notrace s5p_read_sched_clock(void)
> -{
> -	void __iomem *reg = s5p_timer_reg();
> -
> -	if (!reg)
> -		return 0;
> -
> -	return ~__raw_readl(reg);
> -}
> -
> -static void __init s5p_clocksource_init(void)
> -{
> -	unsigned long pclk;
> -	unsigned long clock_rate;
> -
> -	pclk = clk_get_rate(timerclk);
> -
> -	clk_set_rate(tdiv_source, pclk / 2);
> -	clk_set_parent(tin_source, tdiv_source);
> -
> -	clock_rate = clk_get_rate(tin_source);
> -
> -	s5p_time_setup(timer_source.source_id, TCNT_MAX);
> -	s5p_time_start(timer_source.source_id, PERIODIC);
> -
> -	setup_sched_clock(s5p_read_sched_clock, 32, clock_rate);
> -
> -	if (clocksource_mmio_init(s5p_timer_reg(), "s5p_clocksource_timer",
> -			clock_rate, 250, 32, clocksource_mmio_readl_down))
> -		panic("s5p_clocksource_timer: can't register
clocksource\n");
> -}
> -
> -static void __init s5p_timer_resources(void)
> -{
> -
> -	unsigned long event_id = timer_source.event_id;
> -	unsigned long source_id = timer_source.source_id;
> -	char devname[15];
> -
> -	timerclk = clk_get(NULL, "timers");
> -	if (IS_ERR(timerclk))
> -		panic("failed to get timers clock for timer");
> -
> -	clk_enable(timerclk);
> -
> -	sprintf(devname, "s3c24xx-pwm.%lu", event_id);
> -	s3c_device_timer[event_id].id = event_id;
> -	s3c_device_timer[event_id].dev.init_name = devname;
> -
> -	tin_event = clk_get(&s3c_device_timer[event_id].dev, "pwm-tin");
> -	if (IS_ERR(tin_event))
> -		panic("failed to get pwm-tin clock for event timer");
> -
> -	tdiv_event = clk_get(&s3c_device_timer[event_id].dev, "pwm-tdiv");
> -	if (IS_ERR(tdiv_event))
> -		panic("failed to get pwm-tdiv clock for event timer");
> -
> -	clk_enable(tin_event);
> -
> -	sprintf(devname, "s3c24xx-pwm.%lu", source_id);
> -	s3c_device_timer[source_id].id = source_id;
> -	s3c_device_timer[source_id].dev.init_name = devname;
> -
> -	tin_source = clk_get(&s3c_device_timer[source_id].dev, "pwm-tin");
> -	if (IS_ERR(tin_source))
> -		panic("failed to get pwm-tin clock for source timer");
> -
> -	tdiv_source = clk_get(&s3c_device_timer[source_id].dev, "pwm-tdiv");
> -	if (IS_ERR(tdiv_source))
> -		panic("failed to get pwm-tdiv clock for source timer");
> -
> -	clk_enable(tin_source);
> -}
> -
> -static void __init s5p_timer_init(void)
> -{
> -	s5p_timer_resources();
> -	s5p_clockevent_init();
> -	s5p_clocksource_init();
> -}
> -
> -struct sys_timer s5p_timer = {
> -	.init		= s5p_timer_init,
> -};
> diff --git a/arch/arm/plat-samsung/samsung-time.c b/arch/arm/plat-
> samsung/samsung-time.c
> new file mode 100644
> index 0000000..6d63fca
> --- /dev/null
> +++ b/arch/arm/plat-samsung/samsung-time.c
> @@ -0,0 +1,405 @@
> +/*
> + * Copyright (c) 2011 Samsung Electronics Co., Ltd.
> + *		http://www.samsung.com/
> + *
> + * samsung - Common hr-timer support (s3c and s5p)
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> +*/
> +
> +#include <linux/interrupt.h>
> +#include <linux/irq.h>
> +#include <linux/err.h>
> +#include <linux/clk.h>
> +#include <linux/clockchips.h>
> +#include <linux/platform_device.h>
> +
> +#include <asm/smp_twd.h>
> +#include <asm/mach/time.h>
> +#include <asm/mach/arch.h>
> +#include <asm/mach/map.h>
> +#include <asm/sched_clock.h>
> +
> +#include <mach/map.h>
> +#include <plat/devs.h>
> +#include <plat/regs-timer.h>
> +#include <plat/samsung-time.h>
> +
> +static struct clk *tin_event;
> +static struct clk *tin_source;
> +static struct clk *tdiv_event;
> +static struct clk *tdiv_source;
> +static struct clk *timerclk;
> +static struct samsung_timer_source timer_source;
> +static unsigned long clock_count_per_tick;
> +static void samsung_timer_resume(void);
> +
> +static void samsung_time_stop(enum samsung_timer_mode mode)
> +{
> +	unsigned long tcon;
> +
> +	tcon = __raw_readl(S3C2410_TCON);
> +
> +	switch (mode) {
> +	case SAMSUNG_PWM0:
> +		tcon &= ~S3C2410_TCON_T0START;
> +		break;
> +
> +	case SAMSUNG_PWM1:
> +		tcon &= ~S3C2410_TCON_T1START;
> +		break;
> +
> +	case SAMSUNG_PWM2:
> +		tcon &= ~S3C2410_TCON_T2START;
> +		break;
> +
> +	case SAMSUNG_PWM3:
> +		tcon &= ~S3C2410_TCON_T3START;
> +		break;
> +
> +	case SAMSUNG_PWM4:
> +		tcon &= ~S3C2410_TCON_T4START;
> +		break;
> +
> +	default:
> +		printk(KERN_ERR "Invalid Timer %d\n", mode);
> +		break;
> +	}
> +	__raw_writel(tcon, S3C2410_TCON);
> +}
> +
> +static void samsung_time_setup(enum samsung_timer_mode mode, unsigned
> long tcnt)
> +{
> +	unsigned long tcon;
> +
> +	tcon = __raw_readl(S3C2410_TCON);
> +
> +	tcnt--;
> +
> +	switch (mode) {
> +	case SAMSUNG_PWM0:
> +		tcon &= ~(0x0f << 0);
> +		tcon |= S3C2410_TCON_T0MANUALUPD;
> +		break;
> +
> +	case SAMSUNG_PWM1:
> +		tcon &= ~(0x0f << 8);
> +		tcon |= S3C2410_TCON_T1MANUALUPD;
> +		break;
> +
> +	case SAMSUNG_PWM2:
> +		tcon &= ~(0x0f << 12);
> +		tcon |= S3C2410_TCON_T2MANUALUPD;
> +		break;
> +
> +	case SAMSUNG_PWM3:
> +		tcon &= ~(0x0f << 16);
> +		tcon |= S3C2410_TCON_T3MANUALUPD;
> +		break;
> +
> +	case SAMSUNG_PWM4:
> +		tcon &= ~(0x07 << 20);
> +		tcon |= S3C2410_TCON_T4MANUALUPD;
> +		break;
> +
> +	default:
> +		printk(KERN_ERR "Invalid Timer %d\n", mode);
> +		break;
> +	}
> +
> +	__raw_writel(tcnt, S3C2410_TCNTB(mode));
> +	__raw_writel(tcnt, S3C2410_TCMPB(mode));
> +	__raw_writel(tcon, S3C2410_TCON);
> +}
> +
> +static void samsung_time_start(enum samsung_timer_mode mode, bool
> periodic)
> +{
> +	unsigned long tcon;
> +
> +	tcon  = __raw_readl(S3C2410_TCON);
> +
> +	switch (mode) {
> +	case SAMSUNG_PWM0:
> +		tcon |= S3C2410_TCON_T0START;
> +		tcon &= ~S3C2410_TCON_T0MANUALUPD;
> +
> +		if (periodic)
> +			tcon |= S3C2410_TCON_T0RELOAD;
> +		else
> +			tcon &= ~S3C2410_TCON_T0RELOAD;
> +		break;
> +
> +	case SAMSUNG_PWM1:
> +		tcon |= S3C2410_TCON_T1START;
> +		tcon &= ~S3C2410_TCON_T1MANUALUPD;
> +
> +		if (periodic)
> +			tcon |= S3C2410_TCON_T1RELOAD;
> +		else
> +			tcon &= ~S3C2410_TCON_T1RELOAD;
> +		break;
> +
> +	case SAMSUNG_PWM2:
> +		tcon |= S3C2410_TCON_T2START;
> +		tcon &= ~S3C2410_TCON_T2MANUALUPD;
> +
> +		if (periodic)
> +			tcon |= S3C2410_TCON_T2RELOAD;
> +		else
> +			tcon &= ~S3C2410_TCON_T2RELOAD;
> +		break;
> +
> +	case SAMSUNG_PWM3:
> +		tcon |= S3C2410_TCON_T3START;
> +		tcon &= ~S3C2410_TCON_T3MANUALUPD;
> +
> +		if (periodic)
> +			tcon |= S3C2410_TCON_T3RELOAD;
> +		else
> +			tcon &= ~S3C2410_TCON_T3RELOAD;
> +		break;
> +
> +	case SAMSUNG_PWM4:
> +		tcon |= S3C2410_TCON_T4START;
> +		tcon &= ~S3C2410_TCON_T4MANUALUPD;
> +
> +		if (periodic)
> +			tcon |= S3C2410_TCON_T4RELOAD;
> +		else
> +			tcon &= ~S3C2410_TCON_T4RELOAD;
> +		break;
> +
> +	default:
> +		printk(KERN_ERR "Invalid Timer %d\n", mode);
> +		break;
> +	}
> +	__raw_writel(tcon, S3C2410_TCON);
> +}
> +
> +static int samsung_set_next_event(unsigned long cycles,
> +				struct clock_event_device *evt)
> +{
> +	samsung_time_setup(timer_source.event_id, cycles);
> +	samsung_time_start(timer_source.event_id, NON_PERIODIC);
> +
> +	return 0;
> +}
> +
> +static void samsung_set_mode(enum clock_event_mode mode,
> +				struct clock_event_device *evt)
> +{
> +	samsung_time_stop(timer_source.event_id);
> +
> +	switch (mode) {
> +	case CLOCK_EVT_MODE_PERIODIC:
> +		samsung_time_setup(timer_source.event_id,
> clock_count_per_tick);
> +		samsung_time_start(timer_source.event_id, PERIODIC);
> +		break;
> +
> +	case CLOCK_EVT_MODE_ONESHOT:
> +		break;
> +
> +	case CLOCK_EVT_MODE_UNUSED:
> +	case CLOCK_EVT_MODE_SHUTDOWN:
> +		break;
> +
> +	case CLOCK_EVT_MODE_RESUME:
> +		samsung_timer_resume();
> +		break;
> +	}
> +}
> +
> +static void samsung_timer_resume(void)
> +{
> +	/* event timer restart */
> +	samsung_time_setup(timer_source.event_id, clock_count_per_tick);
> +	samsung_time_start(timer_source.event_id, PERIODIC);
> +
> +	/* source timer restart */
> +	samsung_time_setup(timer_source.source_id, TCNT_MAX);
> +	samsung_time_start(timer_source.source_id, PERIODIC);
> +}
> +
> +void __init samsung_set_timer_source(enum samsung_timer_mode event,
> +				 enum samsung_timer_mode source)
> +{
> +	s3c_device_timer[event].dev.bus = &platform_bus_type;
> +	s3c_device_timer[source].dev.bus = &platform_bus_type;
> +
> +	timer_source.event_id = event;
> +	timer_source.source_id = source;
> +}
> +
> +static struct clock_event_device time_event_device = {
> +	.name		= "samsung_event_timer",
> +	.features	= CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
> +	.rating		= 200,
> +	.set_next_event	= samsung_set_next_event,
> +	.set_mode	= samsung_set_mode,
> +};
> +
> +static irqreturn_t samsung_clock_event_isr(int irq, void *dev_id)
> +{
> +	struct clock_event_device *evt = dev_id;
> +
> +	evt->event_handler(evt);
> +
> +	return IRQ_HANDLED;
> +}
> +
> +static struct irqaction samsung_clock_event_irq = {
> +	.name		= "samsung_time_irq",
> +	.flags		= IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
> +	.handler	= samsung_clock_event_isr,
> +	.dev_id		= &time_event_device,
> +};
> +
> +static void __init samsung_clockevent_init(void)
> +{
> +	unsigned long pclk;
> +	unsigned long clock_rate;
> +	unsigned int irq_number;
> +	struct clk *tscaler;
> +
> +	pclk = clk_get_rate(timerclk);
> +
> +	tscaler = clk_get_parent(tdiv_event);
> +
> +	clk_set_rate(tscaler, pclk / TSCALER_DIV);
> +	clk_set_rate(tdiv_event, pclk / TDIV);
> +	clk_set_parent(tin_event, tdiv_event);
> +
> +	clock_rate = clk_get_rate(tin_event);
> +	clock_count_per_tick = clock_rate / HZ;
> +
> +	clockevents_calc_mult_shift(&time_event_device,
> +				    clock_rate, SAMSUNG_TIMER_MIN_RANGE);
> +	time_event_device.max_delta_ns =
> +		clockevent_delta2ns(-1, &time_event_device);
> +	time_event_device.min_delta_ns =
> +		clockevent_delta2ns(1, &time_event_device);
> +
> +	time_event_device.cpumask = cpumask_of(0);
> +	clockevents_register_device(&time_event_device);
> +
> +	irq_number = timer_source.event_id + IRQ_TIMER0;
> +	setup_irq(irq_number, &samsung_clock_event_irq);
> +}
> +
> +static void __iomem *samsung_timer_reg(void)
> +{
> +	unsigned long offset = 0;
> +
> +	switch (timer_source.source_id) {
> +	case SAMSUNG_PWM0:
> +	case SAMSUNG_PWM1:
> +	case SAMSUNG_PWM2:
> +	case SAMSUNG_PWM3:
> +		offset = (timer_source.source_id * 0x0c) + 0x14;
> +		break;
> +
> +	case SAMSUNG_PWM4:
> +		offset = 0x40;
> +		break;
> +
> +	default:
> +		printk(KERN_ERR "Invalid Timer %d\n",
> timer_source.source_id);
> +		return NULL;
> +	}
> +
> +	return S3C_TIMERREG(offset);
> +}
> +
> +/*
> + * Override the global weak sched_clock symbol with this
> + * local implementation which uses the clocksource to get some
> + * better resolution when scheduling the kernel. We accept that
> + * this wraps around for now, since it is just a relative time
> + * stamp. (Inspired by U300 implementation.)
> + */
> +static u32 notrace samsung_read_sched_clock(void)
> +{
> +	void __iomem *reg = samsung_timer_reg();
> +
> +	if (!reg)
> +		return 0;
> +
> +	return ~__raw_readl(reg);
> +}
> +
> +static void __init samsung_clocksource_init(void)
> +{
> +	unsigned long pclk;
> +	unsigned long clock_rate;
> +
> +	pclk = clk_get_rate(timerclk);
> +
> +	clk_set_rate(tdiv_source, pclk / TDIV);
> +	clk_set_parent(tin_source, tdiv_source);
> +
> +	clock_rate = clk_get_rate(tin_source);
> +
> +	samsung_time_setup(timer_source.source_id, TCNT_MAX);
> +	samsung_time_start(timer_source.source_id, PERIODIC);
> +
> +	setup_sched_clock(samsung_read_sched_clock, TSIZE, clock_rate);
> +
> +	if (clocksource_mmio_init(samsung_timer_reg(),
> "samsung_clocksource_timer",
> +			clock_rate, 250, TSIZE,
clocksource_mmio_readl_down))
> +		panic("samsung_clocksource_timer: can't register
> clocksource\n");
> +}
> +
> +static void __init samsung_timer_resources(void)
> +{
> +
> +	unsigned long event_id = timer_source.event_id;
> +	unsigned long source_id = timer_source.source_id;
> +	char devname[15];
> +
> +	timerclk = clk_get(NULL, "timers");
> +	if (IS_ERR(timerclk))
> +		panic("failed to get timers clock for timer");
> +
> +	clk_enable(timerclk);
> +
> +	sprintf(devname, "s3c24xx-pwm.%lu", event_id);
> +	s3c_device_timer[event_id].id = event_id;
> +	s3c_device_timer[event_id].dev.init_name = devname;
> +
> +	tin_event = clk_get(&s3c_device_timer[event_id].dev, "pwm-tin");
> +	if (IS_ERR(tin_event))
> +		panic("failed to get pwm-tin clock for event timer");
> +
> +	tdiv_event = clk_get(&s3c_device_timer[event_id].dev, "pwm-tdiv");
> +	if (IS_ERR(tdiv_event))
> +		panic("failed to get pwm-tdiv clock for event timer");
> +
> +	clk_enable(tin_event);
> +
> +	sprintf(devname, "s3c24xx-pwm.%lu", source_id);
> +	s3c_device_timer[source_id].id = source_id;
> +	s3c_device_timer[source_id].dev.init_name = devname;
> +
> +	tin_source = clk_get(&s3c_device_timer[source_id].dev, "pwm-tin");
> +	if (IS_ERR(tin_source))
> +		panic("failed to get pwm-tin clock for source timer");
> +
> +	tdiv_source = clk_get(&s3c_device_timer[source_id].dev, "pwm-tdiv");
> +	if (IS_ERR(tdiv_source))
> +		panic("failed to get pwm-tdiv clock for source timer");
> +
> +	clk_enable(tin_source);
> +}
> +
> +static void __init samsung_timer_init(void)
> +{
> +	samsung_timer_resources();
> +	samsung_clockevent_init();
> +	samsung_clocksource_init();
> +}
> +
> +struct sys_timer samsung_timer = {
> +	.init		= samsung_timer_init,
> +};
> --
> 1.8.0

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