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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2007-10-07 16:32:20 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2007-10-07 16:32:20 +0200 |
| commit | b4fc7b84b0e99aa46a479c09bb4dec0d4c05520d (patch) | |
| tree | 2e41c865b566e4a51037469a6e956857eb5eb86f /arch/arm/mach-imx/clocksource.c | |
| parent | b5656a41e0f7069b30143486fd3c31da2695bc2a (diff) | |
| download | barebox-b4fc7b84b0e99aa46a479c09bb4dec0d4c05520d.tar.gz barebox-b4fc7b84b0e99aa46a479c09bb4dec0d4c05520d.tar.xz | |
make independent of timer base
Diffstat (limited to 'arch/arm/mach-imx/clocksource.c')
| -rw-r--r-- | arch/arm/mach-imx/clocksource.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/arch/arm/mach-imx/clocksource.c b/arch/arm/mach-imx/clocksource.c index dc95cf1d46..c7bd730c90 100644 --- a/arch/arm/mach-imx/clocksource.c +++ b/arch/arm/mach-imx/clocksource.c @@ -35,9 +35,11 @@ #include <asm/arch/imx-regs.h> #include <asm/arch/clock.h> +#define GPT(x) __REG(IMX_TIM1_BASE + (x)) + uint64_t imx_clocksource_read(void) { - return TCN1; + return GPT(GPT_TCN); } static struct clocksource cs = { @@ -50,13 +52,16 @@ static int clocksource_init (void) { int i; /* setup GP Timer 1 */ - TCTL1 = TCTL_SWR; - for ( i=0; i<100; i++) TCTL1 = 0; /* We have no udelay by now */ - TPRER1 = 0; - TCTL1 |= TCTL_FRR | (1<<1); /* Freerun Mode, PERCLK1 input */ + GPT(GPT_TCTL) = TCTL_SWR; + + for (i = 0; i < 100; i++) + GPT(GPT_TCTL) = 0; /* We have no udelay by now */ + + GPT(GPT_TPRER) = 0; + GPT(GPT_TCTL) |= TCTL_FRR | (1<<1); /* Freerun Mode, PERCLK1 input */ - TCTL1 &= ~TCTL_TEN; - TCTL1 |= TCTL_TEN; /* Enable timer */ + GPT(GPT_TCTL) &= ~TCTL_TEN; + GPT(GPT_TCTL) |= TCTL_TEN; /* Enable timer */ cs.mult = clocksource_hz2mult(get_PERCLK1(), cs.shift); |