1. 根目录:
2. arch
3. score
4. include
5. asm
6. timex.h

#ifndef _ASM_SCORE_TIMEX_H
#define _ASM_SCORE_TIMEX_H

#define CLOCK_TICK_RATE 27000000 /* Timer input freq. */

#include <asm-generic/timex.h>

#endif /* _ASM_SCORE_TIMEX_H */