extern void to_tm(int tim, struct rtc_time * tm);
extern time_t last_rtc_update;
+void generic_calibrate_decr(void);
+void setup_default_decr(void);
+
+/* Some sane defaults: 125 MHz timebase, 1GHz processor */
+extern unsigned long ppc_proc_freq;
+#define DEFAULT_PROC_FREQ (DEFAULT_TB_FREQ * 8)
+extern unsigned long ppc_tb_freq;
+#define DEFAULT_TB_FREQ 125000000UL
+
/*
* By putting all of this stuff into a single struct we
* reduce the number of cache lines touched by do_gettimeofday.