diff options
Diffstat (limited to 'arch/arm/plat-mxc/mvf_time.c')
| -rw-r--r-- | arch/arm/plat-mxc/mvf_time.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/arch/arm/plat-mxc/mvf_time.c b/arch/arm/plat-mxc/mvf_time.c index ebebc042ea5a..597f96cd6f02 100644 --- a/arch/arm/plat-mxc/mvf_time.c +++ b/arch/arm/plat-mxc/mvf_time.c @@ -189,17 +189,25 @@ static irqreturn_t mvf_timer_interrupt(int irq, void *dev_id) static int mvf_set_next_event(unsigned long evt, struct clock_event_device *unused) { - unsigned long tcmp; + unsigned long tcmp,tmp; tcmp = evt; /* STOP Time */ - __raw_writel(__raw_readl(PIT_TCTRL(TIMER_CH)) & ~(PIT_TCTRL_TEN), - timer_base + PIT_TCTRL(TIMER_CH)); + __raw_writel(__raw_readl(timer_base + PIT_TCTRL(TIMER_CH)) + & ~(PIT_TCTRL_TEN), + timer_base + PIT_TCTRL(TIMER_CH)); __raw_writel(tcmp, timer_base + PIT_LDVAL(TIMER_CH)); /* Start Timer */ - __raw_writel(__raw_readl(PIT_TCTRL(TIMER_CH)) | (PIT_TCTRL_TEN), - timer_base + PIT_TCTRL(TIMER_CH)); + __raw_writel(__raw_readl(timer_base + PIT_TCTRL(TIMER_CH)) + | (PIT_TCTRL_TEN), + timer_base + PIT_TCTRL(TIMER_CH)); +#if 0 + while(1) { + tmp = __raw_readl(timer_base + PIT_CVAL(TIMER_CH)); + printk("val = %08lx\n",tmp); + } +#endif return 0; } @@ -245,17 +253,18 @@ void __init mvf_timer_init(struct clk *timer_clk, void __iomem *base, int irq) uint32_t tctrl_val; u32 reg; -#if 0 /* Clock is fix to 50MHz */ +#if 1 /* Clock is fix to 50MHz */ clk_enable(timer_clk); #endif - + printk("PIT base = 0x%08lx",(unsigned long)base); timer_base = base; /* * Initialise to a known state (all timers off, and timing reset) */ - __raw_writel(PIT_MCR_MDIS, timer_base + PIT_MCR); /* Stop PIT */ + // __raw_writel(PIT_MCR_MDIS, timer_base + PIT_MCR); /* Stop PIT */ + __raw_writel(0, timer_base + PIT_MCR); /* Stop PIT */ /* init and register the timer to the framework */ mvf_clocksource_init(timer_clk); |