* then 32 bit HPET counter wrapsaround in less than 0.5 sec.
*/
#define HPET_MIN_PERIOD (100000UL)
-#define HPET_TICK_RATE (HZ * 100000UL)
extern unsigned long hpet_tick; /* hpet clks count per tick */
extern unsigned long hpet_address; /* hpet memory map physical address */