arch/mips/loongson2ef/common/time.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Copyright (C) 2007 Lemote, Inc. & Institute of Computing Technology
   4  * Author: Fuxin Zhang, [email protected]
   5  *
   6  * Copyright (C) 2009 Lemote Inc.
   7  * Author: Wu Zhangjin, [email protected]
   8  */
   9 #include <asm/mc146818-time.h>
  10 #include <asm/time.h>
  11 #include <asm/hpet.h>
  12
  13 #include <loongson.h>
  14 #include <cs5536/cs5536_mfgpt.h>
  15
  16 void __init plat_time_init(void)
  17 {
  18         /* setup mips r4k timer */
  19         mips_hpt_frequency = cpu_clock_freq / 2;
  20
  21         setup_mfgpt0_timer();
  22 }
  23
  24 void read_persistent_clock64(struct timespec64 *ts)
  25 {
  26         ts->tv_sec = mc146818_get_cmos_time();
  27         ts->tv_nsec = 0;
  28 }