forked from Minki/linux
ARM: vexpress: add sched_clock() for Versatile Express
Add a sched_clock() implementation to Versatile Express using the new sched_clock() infrastructure for extending 32bit counters to full 64-bit nanoseconds. Tested-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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@ -268,6 +268,7 @@ config ARCH_VEXPRESS
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select COMMON_CLKDEV
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select GENERIC_CLOCKEVENTS
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select HAVE_CLK
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select HAVE_SCHED_CLOCK
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select ICST
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select PLAT_VERSATILE
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help
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@ -22,6 +22,8 @@
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#include <mach/clkdev.h>
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#include <mach/motherboard.h>
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#include <plat/sched_clock.h>
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#include <plat/timer-sp.h>
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#include "core.h"
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@ -50,6 +52,8 @@ void __init v2m_map_io(struct map_desc *tile, size_t num)
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static void __init v2m_timer_init(void)
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{
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versatile_sched_clock_init(MMIO_P2V(V2M_SYS_24MHZ), 24000000);
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writel(0, MMIO_P2V(V2M_TIMER0) + TIMER_CTRL);
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writel(0, MMIO_P2V(V2M_TIMER1) + TIMER_CTRL);
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@ -1,7 +1,8 @@
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obj-y := clock.o
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obj-$(CONFIG_ARM_TIMER_SP804) += timer-sp.o
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obj-$(CONFIG_ARCH_REALVIEW) += sched-clock.o
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obj-$(CONFIG_ARCH_VERSATILE) += sched-clock.o
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ifneq ($(CONFIG_ARCH_INTEGRATOR),y)
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obj-y += sched-clock.o
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endif
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ifeq ($(CONFIG_LEDS_CLASS),y)
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obj-$(CONFIG_ARCH_REALVIEW) += leds.o
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obj-$(CONFIG_ARCH_VERSATILE) += leds.o
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