--- /dev/null
+--- 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 */