From 30c730f8f90b08d77a73998d2ee34cf1f56e95cc Mon Sep 17 00:00:00 2001
From: Sascha Hauer <s.hauer@pengutronix.de>
Date: Mon, 16 Feb 2009 14:36:49 +0100
Subject: [ARM] MXC: rework timer/clock initialisation
- rename mxc_clocks_init to architecture specific versions. This
allows us to have more than one architecture compiled in.
- call mxc_timer_init from clock initialisation instead from board
code
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
arch/arm/plat-mxc/include/mach/common.h | 7 +++++--
arch/arm/plat-mxc/time.c | 20 +++++---------------
2 files changed, 10 insertions(+), 17 deletions(-)
(limited to 'arch/arm/plat-mxc')
diff --git a/arch/arm/plat-mxc/include/mach/common.h b/arch/arm/plat-mxc/include/mach/common.h
index 6350287a59b..2c08b8e14e3 100644
--- a/arch/arm/plat-mxc/include/mach/common.h
+++ b/arch/arm/plat-mxc/include/mach/common.h
@@ -12,11 +12,14 @@
#define __ASM_ARCH_MXC_COMMON_H__
struct platform_device;
+struct clk;
extern void mxc_map_io(void);
extern void mxc_init_irq(void);
-extern void mxc_timer_init(const char *clk_timer);
-extern int mxc_clocks_init(unsigned long fref);
+extern void mxc_timer_init(struct clk *timer_clk);
+extern int mx1_clocks_init(unsigned long fref);
+extern int mx27_clocks_init(unsigned long fref);
+extern int mx31_clocks_init(unsigned long fref);
extern int mxc_register_gpios(void);
extern int mxc_register_device(struct platform_device *pdev, void *data);
diff --git a/arch/arm/plat-mxc/time.c b/arch/arm/plat-mxc/time.c
index 758a1293bcf..eb93fd1789d 100644
--- a/arch/arm/plat-mxc/time.c
+++ b/arch/arm/plat-mxc/time.c
@@ -34,9 +34,6 @@
static struct clock_event_device clockevent_mxc;
static enum clock_event_mode clockevent_mode = CLOCK_EVT_MODE_UNUSED;
-/* clock source for the timer */
-static struct clk *timer_clk;
-
/* clock source */
static cycle_t mxc_get_cycles(void)
@@ -53,7 +50,7 @@ static struct clocksource clocksource_mxc = {
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
-static int __init mxc_clocksource_init(void)
+static int __init mxc_clocksource_init(struct clk *timer_clk)
{
unsigned int clock;
@@ -177,7 +174,7 @@ static struct clock_event_device clockevent_mxc = {
.rating = 200,
};
-static int __init mxc_clockevent_init(void)
+static int __init mxc_clockevent_init(struct clk *timer_clk)
{
unsigned int clock;
@@ -197,14 +194,8 @@ static int __init mxc_clockevent_init(void)
return 0;
}
-void __init mxc_timer_init(const char *clk_timer)
+void __init mxc_timer_init(struct clk *timer_clk)
{
- timer_clk = clk_get(NULL, clk_timer);
- if (!timer_clk) {
- printk(KERN_ERR"Cannot determine timer clock. Giving up.\n");
- return;
- }
-
clk_enable(timer_clk);
/*
@@ -219,10 +210,9 @@ void __init mxc_timer_init(const char *clk_timer)
TIMER_BASE + MXC_TCTL);
/* init and register the timer to the framework */
- mxc_clocksource_init();
- mxc_clockevent_init();
+ mxc_clocksource_init(timer_clk);
+ mxc_clockevent_init(timer_clk);
/* Make irqs happen */
setup_irq(TIMER_INTERRUPT, &mxc_timer_irq);
}
-
--
cgit