time.c 806 B

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  1. /*
  2. * Copyright (C) 2007 Lemote, Inc. & Institute of Computing Technology
  3. * Author: Fuxin Zhang, zhangfx@lemote.com
  4. *
  5. * Copyright (C) 2009 Lemote Inc. & Insititute of Computing Technology
  6. * Author: Wu Zhangjin, wuzj@lemote.com
  7. *
  8. * This program is free software; you can redistribute it and/or modify it
  9. * under the terms of the GNU General Public License as published by the
  10. * Free Software Foundation; either version 2 of the License, or (at your
  11. * option) any later version.
  12. */
  13. #include <linux/init.h>
  14. #include <asm/mc146818-time.h>
  15. #include <asm/time.h>
  16. extern unsigned long cpu_clock_freq;
  17. void __init plat_time_init(void)
  18. {
  19. /* setup mips r4k timer */
  20. mips_hpt_frequency = cpu_clock_freq / 2;
  21. }
  22. unsigned long read_persistent_clock(void)
  23. {
  24. return mc146818_get_cmos_time();
  25. }