diff options
Diffstat (limited to 'arch/x86/include/asm/timex.h')
| -rw-r--r-- | arch/x86/include/asm/timex.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/x86/include/asm/timex.h b/arch/x86/include/asm/timex.h new file mode 100644 index 000000000000..1287dc1347d6 --- /dev/null +++ b/arch/x86/include/asm/timex.h @@ -0,0 +1,19 @@ +/* x86 architecture timex specifications */ +#ifndef _ASM_X86_TIMEX_H +#define _ASM_X86_TIMEX_H + +#include <asm/processor.h> +#include <asm/tsc.h> + +#ifdef CONFIG_X86_ELAN +# define PIT_TICK_RATE 1189200 /* AMD Elan has different frequency! */ +#elif defined(CONFIG_X86_RDC321X) +# define PIT_TICK_RATE 1041667 /* Underlying HZ for R8610 */ +#else +# define PIT_TICK_RATE 1193182 /* Underlying HZ */ +#endif +#define CLOCK_TICK_RATE PIT_TICK_RATE + +#define ARCH_HAS_READ_CURRENT_TIMER + +#endif /* _ASM_X86_TIMEX_H */ |