1#include <linux/errno.h>
2#include <linux/sched.h>
3#include <linux/kernel.h>
4#include <linux/param.h>
5#include <linux/string.h>
6#include <linux/mm.h>
7
8#include <asm/machdep.h>
9#include <asm/io.h>
10
11#include <linux/timex.h>
12
13unsigned long m68k_get_rtc_time(void)
14{
15	unsigned int year, mon, day, hour, min, sec;
16
17	extern void arch_gettod(int *year, int *mon, int *day, int *hour,
18				int *min, int *sec);
19
20	arch_gettod (&year, &mon, &day, &hour, &min, &sec);
21
22	if ((year += 1900) < 1970)
23		year += 100;
24
25	return mktime(year, mon, day, hour, min, sec);
26}
27
28int m68k_set_rtc_time(unsigned long nowtime)
29{
30  if (mach_set_clock_mmss)
31    return mach_set_clock_mmss (nowtime);
32  return -1;
33}
34
35void apus_heartbeat (void)
36{
37#ifdef CONFIG_HEARTBEAT
38	static unsigned cnt = 0, period = 0, dist = 0;
39
40	if (cnt == 0 || cnt == dist)
41                mach_heartbeat( 1 );
42	else if (cnt == 7 || cnt == dist+7)
43                mach_heartbeat( 0 );
44
45	if (++cnt > period) {
46                cnt = 0;
47                /* The hyperbolic function below modifies the heartbeat period
48                 * length in dependency of the current (5min) load. It goes
49                 * through the points f(0)=126, f(1)=86, f(5)=51,
50                 * f(inf)->30. */
51                period = ((672<<FSHIFT)/(5*avenrun[0]+(7<<FSHIFT))) + 30;
52                dist = period / 4;
53	}
54#endif
55	/* should be made smarter */
56	ppc_md.heartbeat_count = 1;
57}
58