1 files changed, 87 insertions, 0 deletions

diff --git a/arch/m68k/kernel/time_no.c b/arch/m68k/kernel/time_no.c
new file mode 100644
index 00000000000..6623909f70e
--- /dev/null
+++ b/arch/m68k/kernel/time_no.c
@@ -0,0 +1,87 @@
+/*
+ *  linux/arch/m68knommu/kernel/time.c
+ *
+ *  Copyright (C) 1991, 1992, 1995  Linus Torvalds
+ *
+ * This file contains the m68k-specific time handling details.
+ * Most of the stuff is located in the machine specific files.
+ *
+ * 1997-09-10   Updated NTP code according to technical memorandum Jan '96
+ *              "A Kernel Model for Precision Timekeeping" by Dave Mills
+ */
+
+#include <linux/errno.h>
+#include <linux/module.h>
+#include <linux/sched.h>
+#include <linux/kernel.h>
+#include <linux/param.h>
+#include <linux/string.h>
+#include <linux/mm.h>
+#include <linux/profile.h>
+#include <linux/time.h>
+#include <linux/timex.h>
+
+#include <asm/machdep.h>
+#include <asm/irq_regs.h>
+
+#define TICK_SIZE (tick_nsec / 1000)
+
+static inline int set_rtc_mmss(unsigned long nowtime)
+{
+        if (mach_set_clock_mmss)
+                return mach_set_clock_mmss (nowtime);
+        return -1;
+}
+
+#ifndef CONFIG_GENERIC_CLOCKEVENTS
+/*
+ * timer_interrupt() needs to keep up the real-time clock,
+ * as well as call the "xtime_update()" routine every clocktick
+ */
+irqreturn_t arch_timer_interrupt(int irq, void *dummy)
+{
+
+        if (current->pid)
+                profile_tick(CPU_PROFILING);
+
+        xtime_update(1);
+
+        update_process_times(user_mode(get_irq_regs()));
+
+        return(IRQ_HANDLED);
+}
+#endif
+
+static unsigned long read_rtc_mmss(void)
+{
+        unsigned int year, mon, day, hour, min, sec;
+
+        if (mach_gettod) {
+                mach_gettod(&year, &mon, &day, &hour, &min, &sec);
+                if ((year += 1900) < 1970)
+                        year += 100;
+        } else {
+                year = 1970;
+                mon = day = 1;
+                hour = min = sec = 0;
+        }
+
+
+        return  mktime(year, mon, day, hour, min, sec);
+}
+
+void read_persistent_clock(struct timespec *ts)
+{
+        ts->tv_sec = read_rtc_mmss();
+        ts->tv_nsec = 0;
+}
+
+int update_persistent_clock(struct timespec now)
+{
+        return set_rtc_mmss(now.tv_sec);
+}
+
+void time_init(void)
+{
+        hw_timer_init();
+}