timex.h 506 字节
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/* x86 architecture timex specifications */
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#ifndef _ASM_X86_TIMEX_H
#define _ASM_X86_TIMEX_H
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#include <asm/processor.h>
#include <asm/tsc.h>

#ifdef CONFIG_X86_ELAN
#  define PIT_TICK_RATE 1189200 /* AMD Elan has different frequency! */
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#elif defined(CONFIG_X86_RDC321X)
#  define PIT_TICK_RATE 1041667 /* Underlying HZ for R8610 */
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#else
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#  define PIT_TICK_RATE 1193182 /* Underlying HZ */
#endif
#define CLOCK_TICK_RATE	PIT_TICK_RATE

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#define ARCH_HAS_READ_CURRENT_TIMER
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#endif /* _ASM_X86_TIMEX_H */