1 files changed, 58 insertions, 0 deletions
diff --git a/arch/ppc/amiga/time.c b/arch/ppc/amiga/time.c
new file mode 100644
index 000000000000..0073527a7036
--- /dev/null
+++ b/arch/ppc/amiga/time.c
@@ -0,0 +1,58 @@
+#include <linux/config.h> /* CONFIG_HEARTBEAT */
+#include <linux/errno.h>
+#include <linux/sched.h>
+#include <linux/kernel.h>
+#include <linux/param.h>
+#include <linux/string.h>
+#include <linux/mm.h>
+
+#include <asm/machdep.h>
+#include <asm/io.h>
+
+#include <linux/timex.h>
+
+unsigned long m68k_get_rtc_time(void)
+{
+	unsigned int year, mon, day, hour, min, sec;
+
+	extern void arch_gettod(int *year, int *mon, int *day, int *hour,
+				int *min, int *sec);
+
+	arch_gettod (&year, &mon, &day, &hour, &min, &sec);
+
+	if ((year += 1900) < 1970)
+		year += 100;
+
+	return mktime(year, mon, day, hour, min, sec);
+}
+
+int m68k_set_rtc_time(unsigned long nowtime)
+{
+  if (mach_set_clock_mmss)
+    return mach_set_clock_mmss (nowtime);
+  return -1;
+}
+
+void apus_heartbeat (void)
+{
+#ifdef CONFIG_HEARTBEAT
+	static unsigned cnt = 0, period = 0, dist = 0;
+
+	if (cnt == 0 || cnt == dist)
+                mach_heartbeat( 1 );
+	else if (cnt == 7 || cnt == dist+7)
+                mach_heartbeat( 0 );
+
+	if (++cnt > period) {
+                cnt = 0;
+                /* The hyperbolic function below modifies the heartbeat period
+                 * length in dependency of the current (5min) load. It goes
+                 * through the points f(0)=126, f(1)=86, f(5)=51,
+                 * f(inf)->30. */
+                period = ((672<<FSHIFT)/(5*avenrun[0]+(7<<FSHIFT))) + 30;
+                dist = period / 4;
+	}
+#endif
+	/* should be made smarter */
+	ppc_md.heartbeat_count = 1;
+}