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| author | Linus Walleij <linus.walleij@linaro.org> | 2012-02-01 02:38:23 +0400 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-03-24 13:38:51 +0400 |
| commit | a9d6d15131b0519363b0c94734ee80955c411093 (patch) | |
| tree | 95c534c441e26e11a10fa06abeacbc6fd8b40070 /arch/arm/mach-integrator | |
| parent | f9d4861fc32b995b1616775614459b8f266c803c (diff) | |
| download | linux-a9d6d15131b0519363b0c94734ee80955c411093.tar.xz | |
ARM: 7310/1: integrator: implement sched_clock across all boards
Now that we can select a sched_clock at runtime, let's implement
it for the Integrator AP, default-select the one found in all
other board it for all plat-versatile boards and make the right
clock kick in at runtime.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-integrator')
| -rw-r--r-- | arch/arm/mach-integrator/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/mach-integrator/integrator_ap.c | 7 |
2 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/mach-integrator/Kconfig b/arch/arm/mach-integrator/Kconfig index 350e26636a06..5a6148ab6dac 100644 --- a/arch/arm/mach-integrator/Kconfig +++ b/arch/arm/mach-integrator/Kconfig @@ -5,6 +5,7 @@ menu "Integrator Options" config ARCH_INTEGRATOR_AP bool "Support Integrator/AP and Integrator/PP2 platforms" select CLKSRC_MMIO + select HAVE_SCHED_CLOCK select MIGHT_HAVE_PCI select SERIAL_AMBA_PL010 select SERIAL_AMBA_PL010_CONSOLE diff --git a/arch/arm/mach-integrator/integrator_ap.c b/arch/arm/mach-integrator/integrator_ap.c index 21a1d6cbef40..4dde28b9dc07 100644 --- a/arch/arm/mach-integrator/integrator_ap.c +++ b/arch/arm/mach-integrator/integrator_ap.c @@ -42,6 +42,7 @@ #include <asm/setup.h> #include <asm/param.h> /* HZ */ #include <asm/mach-types.h> +#include <asm/sched_clock.h> #include <mach/lm.h> @@ -325,6 +326,11 @@ static void __init ap_init(void) static unsigned long timer_reload; +static u32 notrace integrator_read_sched_clock(void) +{ + return -readl((void __iomem *) TIMER2_VA_BASE + TIMER_VALUE); +} + static void integrator_clocksource_init(unsigned long inrate) { void __iomem *base = (void __iomem *)TIMER2_VA_BASE; @@ -341,6 +347,7 @@ static void integrator_clocksource_init(unsigned long inrate) clocksource_mmio_init(base + TIMER_VALUE, "timer2", rate, 200, 16, clocksource_mmio_readl_down); + setup_sched_clock(integrator_read_sched_clock, 16, rate); } static void __iomem * const clkevt_base = (void __iomem *)TIMER1_VA_BASE; |