diff options
| author | Sascha Hauer <s.hauer@pengutronix.de> | 2009-02-16 14:36:49 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2009-03-13 10:33:47 +0100 |
| commit | 30c730f8f90b08d77a73998d2ee34cf1f56e95cc (patch) | |
| tree | 4b73291db523a77d2ca36a65ba7e0d1a8ff6e56e /arch/arm/plat-mxc | |
| parent | a2865197a5dad23c619c84f44b7fdf7fdbef3f9c (diff) | |
| download | linux-30c730f8f90b08d77a73998d2ee34cf1f56e95cc.tar.bz2 | |
[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>
Diffstat (limited to 'arch/arm/plat-mxc')
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/common.h | 7 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/time.c | 20 |
2 files changed, 10 insertions, 17 deletions
diff --git a/arch/arm/plat-mxc/include/mach/common.h b/arch/arm/plat-mxc/include/mach/common.h index 6350287a59b9..2c08b8e14e39 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 758a1293bcfa..eb93fd1789db 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); } - |