1 #ifndef __H8300_TIMER_H
2 #define __H8300_TIMER_H
3 
4 void h8300_timer_tick(void);
5 void h8300_timer_setup(void);
6 void h8300_gettod(unsigned int *year, unsigned int *mon, unsigned int *day,
7 		   unsigned int *hour, unsigned int *min, unsigned int *sec);
8 
9 #define TIMER_FREQ (CONFIG_CPU_CLOCK*10000) /* Timer input freq. */
10 
11 #define calc_param(cnt, div, rate, limit)			\
12 do {								\
13 	cnt = TIMER_FREQ / HZ;					\
14 	for (div = 0; div < ARRAY_SIZE(divide_rate); div++) {	\
15 		if (rate[div] == 0)				\
16 			continue;				\
17 		if ((cnt / rate[div]) > limit)			\
18 			break;					\
19 	}							\
20 	if (div == ARRAY_SIZE(divide_rate))			\
21 		panic("Timer counter overflow");		\
22 	cnt /= divide_rate[div];				\
23 } while(0)
24 
25 #endif
26