#endif
};
-extern void update_xtime_from_cmos(void);
extern int set_rtc_mmss(unsigned long nowtime);
extern int have_rtc;
#endif
}
-/* Last time the cmos clock got updated. */
-static long last_rtc_update = 0;
-
/*
* timer_interrupt() needs to keep up the real-time clock,
* as well as call the "do_timer()" routine every clocktick.
/* Call the real timer interrupt handler */
do_timer(1);
-
- /*
- * If we have an externally synchronized Linux clock, then update
- * CMOS clock accordingly every ~11 minutes. Set_rtc_mmss() has to be
- * called as close as possible to 500 ms before the new second starts.
- *
- * The division here is not time critical since it will run once in
- * 11 minutes
- */
- if ((time_status & STA_UNSYNC) == 0 &&
- xtime.tv_sec > last_rtc_update + 660 &&
- (xtime.tv_nsec / 1000) >= 500000 - (tick_nsec / 1000) / 2 &&
- (xtime.tv_nsec / 1000) <= 500000 + (tick_nsec / 1000) / 2) {
- if (set_rtc_mmss(xtime.tv_sec) == 0)
- last_rtc_update = xtime.tv_sec;
- else
- /* Do it again in 60 s */
- last_rtc_update = xtime.tv_sec - 600;
- }
return IRQ_HANDLED;
}
*/
loops_per_usec = 50;
- if(RTC_INIT() < 0) {
- /* No RTC, start at 1980 */
- xtime.tv_sec = 0;
- xtime.tv_nsec = 0;
+ if(RTC_INIT() < 0)
have_rtc = 0;
- } else {
- /* Get the current time */
+ else
have_rtc = 1;
- update_xtime_from_cmos();
- }
-
- /*
- * Initialize wall_to_monotonic such that adding it to
- * xtime will yield zero, the tv_nsec field must be normalized
- * (i.e., 0 <= nsec < NSEC_PER_SEC).
- */
- set_normalized_timespec(&wall_to_monotonic, -xtime.tv_sec, -xtime.tv_nsec);
/* Start CPU local timer. */
cris_timer_init();