arch/mips/loongson/common/time.c

   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 <asm/mc146818-time.h>
  14 #include <asm/time.h>
  15
  16 #include <loongson.h>
  17
  18 void __init plat_time_init(void)
  19 {
  20         /* setup mips r4k timer */
  21         mips_hpt_frequency = cpu_clock_freq / 2;
  22 }
  23
  24 void read_persistent_clock(struct timespec *ts)
  25 {
  26         ts->tv_sec = mc146818_get_cmos_time();
  27         ts->tv_nsec = 0;
  28 }