xref: /linux/arch/x86/include/asm/timex.h (revision 367b8112fe2ea5c39a7bb4d263dcdd9b612fae18)
1 /* x86 architecture timex specifications */
2 #ifndef _ASM_X86_TIMEX_H
3 #define _ASM_X86_TIMEX_H
4 
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! */
10 #elif defined(CONFIG_X86_RDC321X)
11 #  define PIT_TICK_RATE 1041667 /* Underlying HZ for R8610 */
12 #else
13 #  define PIT_TICK_RATE 1193182 /* Underlying HZ */
14 #endif
15 #define CLOCK_TICK_RATE	PIT_TICK_RATE
16 
17 #define ARCH_HAS_READ_CURRENT_TIMER
18 
19 #endif /* _ASM_X86_TIMEX_H */
20