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Thomas Gleixner2f0798a32007-10-12 23:04:23 +02001/* x86 architecture timex specifications */
H. Peter Anvin1965aae2008-10-22 22:26:29 -07002#ifndef _ASM_X86_TIMEX_H
3#define _ASM_X86_TIMEX_H
Thomas Gleixner2f0798a32007-10-12 23:04:23 +02004
5#include <asm/processor.h>
6#include <asm/tsc.h>
7
8#ifdef CONFIG_X86_ELAN
9# define PIT_TICK_RATE 1189200 /* AMD Elan has different frequency! */
Florian Fainelli5e3a77e2008-01-30 13:33:36 +010010#elif defined(CONFIG_X86_RDC321X)
11# define PIT_TICK_RATE 1041667 /* Underlying HZ for R8610 */
Thomas Gleixner96a388d2007-10-11 11:20:03 +020012#else
Thomas Gleixner2f0798a32007-10-12 23:04:23 +020013# define PIT_TICK_RATE 1193182 /* Underlying HZ */
14#endif
15#define CLOCK_TICK_RATE PIT_TICK_RATE
16
Andrew Morton941e4922008-02-06 01:36:42 -080017#define ARCH_HAS_READ_CURRENT_TIMER
Thomas Gleixner2f0798a32007-10-12 23:04:23 +020018
H. Peter Anvin1965aae2008-10-22 22:26:29 -070019#endif /* _ASM_X86_TIMEX_H */