timex.h 448 B

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  1. /* x86 architecture timex specifications */
  2. #ifndef _ASM_X86_TIMEX_H
  3. #define _ASM_X86_TIMEX_H
  4. #include <asm/processor.h>
  5. #include <asm/tsc.h>
  6. #ifdef CONFIG_X86_ELAN
  7. # define PIT_TICK_RATE 1189200 /* AMD Elan has different frequency! */
  8. #else
  9. # define PIT_TICK_RATE 1193182 /* Underlying HZ */
  10. #endif
  11. #define CLOCK_TICK_RATE PIT_TICK_RATE
  12. extern int read_current_timer(unsigned long *timer_value);
  13. #define ARCH_HAS_READ_CURRENT_TIMER 1
  14. #endif