From 1da0c89c66753860ccfe81eb327c25db46c2a24a Mon Sep 17 00:00:00 2001
From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Wed, 15 Dec 2010 21:56:47 +0000
Subject: ARM: versatile: convert sched_clock() to use new infrastructure

Convert versatile platforms to use 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>
---
 arch/arm/mach-realview/core.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'arch/arm/mach-realview')

diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c
index 07c08151dfe6..3d653e05b75d 100644
--- a/arch/arm/mach-realview/core.c
+++ b/arch/arm/mach-realview/core.c
@@ -52,6 +52,8 @@
 #include <mach/irqs.h>
 #include <plat/timer-sp.h>
 
+#include <plat/sched_clock.h>
+
 #include "core.h"
 
 /* used by entry-macro.S and platsmp.c */
@@ -657,6 +659,12 @@ void realview_leds_event(led_event_t ledevt)
 }
 #endif	/* CONFIG_LEDS */
 
+/*
+ * The sched_clock counter
+ */
+#define REFCOUNTER		(__io_address(REALVIEW_SYS_BASE) + \
+				 REALVIEW_SYS_24MHz_OFFSET)
+
 /*
  * Where is the timer (VA)?
  */
@@ -672,6 +680,8 @@ void __init realview_timer_init(unsigned int timer_irq)
 {
 	u32 val;
 
+	versatile_sched_clock_init(REFCOUNTER, 24000000);
+
 	/* 
 	 * set clock frequency: 
 	 *	REALVIEW_REFCLK is 32KHz
-- 
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