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>
diff --git a/arch/arm/mach-vexpress/v2m.c b/arch/arm/mach-vexpress/v2m.c
index 7eaa232..8c28310 100644
--- a/arch/arm/mach-vexpress/v2m.c
+++ b/arch/arm/mach-vexpress/v2m.c
@@ -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 @@
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);