LXR uboot/drivers/rtc/mpc8xx.c

   1/*
   2 * (C) Copyright 2001
   3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4 *
   5 * SPDX-License-Identifier:     GPL-2.0+
   6 */
   7
   8/*
   9 * Date & Time support for internal RTC of MPC8xx
  10 */
  11
  12/*#define       DEBUG*/
  13
  14#include <common.h>
  15#include <command.h>
  16#include <rtc.h>
  17
  18#if defined(CONFIG_CMD_DATE)
  19
  20/* ------------------------------------------------------------------------- */
  21
  22int rtc_get (struct rtc_time *tmp)
  23{
  24        volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
  25        ulong tim;
  26
  27        tim = immr->im_sit.sit_rtc;
  28
  29        rtc_to_tm(tim, tmp);
  30
  31        debug ( "Get DATE: %4d-%02d-%02d (wday=%d)  TIME: %2d:%02d:%02d\n",
  32                tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday,
  33                tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
  34
  35        return 0;
  36}
  37
  38int rtc_set (struct rtc_time *tmp)
  39{
  40        volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
  41        ulong tim;
  42
  43        debug ( "Set DATE: %4d-%02d-%02d (wday=%d)  TIME: %2d:%02d:%02d\n",
  44                tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday,
  45                tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
  46
  47        tim = rtc_mktime(tmp);
  48
  49        immr->im_sitk.sitk_rtck = KAPWR_KEY;
  50        immr->im_sit.sit_rtc = tim;
  51
  52        return 0;
  53}
  54
  55void rtc_reset (void)
  56{
  57        return; /* nothing to do */
  58}
  59
  60#endif
  61