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