--- a/include/linux/timex.h
+++ b/include/linux/timex.h
@@ -158,6 +158,10 @@ int read_current_timer(unsigned long *ti
 void ntp_notify_cmos_timer(void);
 
 /* The clock frequency of the i8253/i8254 PIT */
+#ifdef CONFIG_X86_RDC321X
+#define PIT_TICK_RATE 1041816ul
+#else
 #define PIT_TICK_RATE 1193182ul
+#endif
 
 #endif /* LINUX_TIMEX_H */