diff --git a/sys/sparc64/sparc64/clock.c b/sys/sparc64/sparc64/clock.c
index ea65cfa45f86..14442702b1ad 100644
--- a/sys/sparc64/sparc64/clock.c
+++ b/sys/sparc64/sparc64/clock.c
@@ -34,11 +34,6 @@ u_long tick_increment;
 u_long tick_freq;
 u_long tick_MHz;
 
-void
-cpu_initclocks(void)
-{
-}
-
 void
 DELAY(int n)
 {
diff --git a/sys/sparc64/sparc64/tick.c b/sys/sparc64/sparc64/tick.c
index 8c66b18ebeab..fd6b439e9f91 100644
--- a/sys/sparc64/sparc64/tick.c
+++ b/sys/sparc64/sparc64/tick.c
@@ -40,6 +40,8 @@
 #include <sys/proc.h>
 #endif
 
+#include <dev/ofw/openfirm.h>
+
 #include <machine/clock.h>
 #include <machine/frame.h>
 #include <machine/intr_machdep.h>
@@ -52,6 +54,15 @@ int tick_missed;	/* statistics */
 
 #define	TICK_GRACE	1000
 
+void
+cpu_initclocks(void)
+{
+	u_int clock;
+
+	OF_getprop(PCPU_GET(node), "clock-frequency", &clock, sizeof(clock));
+	tick_start(clock, tick_hardclock);
+}
+
 static __inline void
 tick_process(struct clockframe *cf)
 {