mirror of https://gitee.com/openkylin/linux.git
26 lines
703 B
C
26 lines
703 B
C
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#ifndef __H8300_TIMER_H
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#define __H8300_TIMER_H
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void h8300_timer_tick(void);
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void h8300_timer_setup(void);
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void h8300_gettod(unsigned int *year, unsigned int *mon, unsigned int *day,
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unsigned int *hour, unsigned int *min, unsigned int *sec);
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#define TIMER_FREQ (CONFIG_CPU_CLOCK*10000) /* Timer input freq. */
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#define calc_param(cnt, div, rate, limit) \
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do { \
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cnt = TIMER_FREQ / HZ; \
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for (div = 0; div < ARRAY_SIZE(divide_rate); div++) { \
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if (rate[div] == 0) \
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continue; \
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if ((cnt / rate[div]) > limit) \
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break; \
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} \
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if (div == ARRAY_SIZE(divide_rate)) \
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panic("Timer counter overflow"); \
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cnt /= divide_rate[div]; \
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} while(0)
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#endif
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