Commit 0af85dda authored by Russell King's avatar Russell King
Browse files

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: default avatarWill Deacon <will.deacon@arm.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 1da0c89c
......@@ -268,6 +268,7 @@ config ARCH_VEXPRESS
select COMMON_CLKDEV
select GENERIC_CLOCKEVENTS
select HAVE_CLK
select HAVE_SCHED_CLOCK
select ICST
select PLAT_VERSATILE
help
......
......@@ -22,6 +22,8 @@
#include <mach/clkdev.h>
#include <mach/motherboard.h>
#include <plat/sched_clock.h>
#include <plat/timer-sp.h>
#include "core.h"
......@@ -50,6 +52,8 @@ void __init v2m_map_io(struct map_desc *tile, size_t num)
static void __init v2m_timer_init(void)
{
versatile_sched_clock_init(MMIO_P2V(V2M_SYS_24MHZ), 24000000);
writel(0, MMIO_P2V(V2M_TIMER0) + TIMER_CTRL);
writel(0, MMIO_P2V(V2M_TIMER1) + TIMER_CTRL);
......
obj-y := clock.o
obj-$(CONFIG_ARM_TIMER_SP804) += timer-sp.o
obj-$(CONFIG_ARCH_REALVIEW) += sched-clock.o
obj-$(CONFIG_ARCH_VERSATILE) += sched-clock.o
ifneq ($(CONFIG_ARCH_INTEGRATOR),y)
obj-y += sched-clock.o
endif
ifeq ($(CONFIG_LEDS_CLASS),y)
obj-$(CONFIG_ARCH_REALVIEW) += leds.o
obj-$(CONFIG_ARCH_VERSATILE) += leds.o
......
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