| Thomas Gleixner | 2f0798a | 2007-10-12 23:04:23 +0200 | [diff] [blame] | 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! */ |
| Florian Fainelli | 5e3a77e | 2008-01-30 13:33:36 +0100 | [diff] [blame^] | 10 | #elif defined(CONFIG_X86_RDC321X) |
| 11 | # define PIT_TICK_RATE 1041667 /* Underlying HZ for R8610 */ |
| Thomas Gleixner | 96a388d | 2007-10-11 11:20:03 +0200 | [diff] [blame] | 12 | #else |
| Thomas Gleixner | 2f0798a | 2007-10-12 23:04:23 +0200 | [diff] [blame] | 13 | # define PIT_TICK_RATE 1193182 /* Underlying HZ */ |
| 14 | #endif |
| 15 | #define CLOCK_TICK_RATE PIT_TICK_RATE |
| 16 | |
| 17 | extern int read_current_timer(unsigned long *timer_value); |
| 18 | #define ARCH_HAS_READ_CURRENT_TIMER 1 |
| 19 | |
| Thomas Gleixner | 96a388d | 2007-10-11 11:20:03 +0200 | [diff] [blame] | 20 | #endif |