diff options
Diffstat (limited to 'arch/h8300/include/asm/timer.h')
| -rw-r--r-- | arch/h8300/include/asm/timer.h | 25 | 
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/h8300/include/asm/timer.h b/arch/h8300/include/asm/timer.h new file mode 100644 index 00000000000..def80464d38 --- /dev/null +++ b/arch/h8300/include/asm/timer.h @@ -0,0 +1,25 @@ +#ifndef __H8300_TIMER_H +#define __H8300_TIMER_H + +void h8300_timer_tick(void); +void h8300_timer_setup(void); +void h8300_gettod(unsigned int *year, unsigned int *mon, unsigned int *day, +		   unsigned int *hour, unsigned int *min, unsigned int *sec); + +#define TIMER_FREQ (CONFIG_CPU_CLOCK*10000) /* Timer input freq. */ + +#define calc_param(cnt, div, rate, limit)			\ +do {								\ +	cnt = TIMER_FREQ / HZ;					\ +	for (div = 0; div < ARRAY_SIZE(divide_rate); div++) {	\ +		if (rate[div] == 0)				\ +			continue;				\ +		if ((cnt / rate[div]) > limit)			\ +			break;					\ +	}							\ +	if (div == ARRAY_SIZE(divide_rate))			\ +		panic("Timer counter overflow");		\ +	cnt /= divide_rate[div];				\ +} while(0) + +#endif  | 
