historical/m0-applesillicon.git/xnu-qemu-arm64-5.1.0/roms/u-boot-sam460ex/drivers/rtc/mpc8xx.c
2024-01-16 11:20:27 -06:00

77 lines
1.9 KiB
C

/*
* (C) Copyright 2001
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
/*
* Date & Time support for internal RTC of MPC8xx
*/
/*#define DEBUG*/
#include <common.h>
#include <command.h>
#include <rtc.h>
#if defined(CONFIG_CMD_DATE)
/* ------------------------------------------------------------------------- */
int rtc_get (struct rtc_time *tmp)
{
volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
ulong tim;
tim = immr->im_sit.sit_rtc;
to_tm (tim, tmp);
debug ( "Get DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n",
tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday,
tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
return 0;
}
int rtc_set (struct rtc_time *tmp)
{
volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
ulong tim;
debug ( "Set DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n",
tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday,
tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
tim = mktime (tmp->tm_year, tmp->tm_mon, tmp->tm_mday,
tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
immr->im_sitk.sitk_rtck = KAPWR_KEY;
immr->im_sit.sit_rtc = tim;
return 0;
}
void rtc_reset (void)
{
return; /* nothing to do */
}
#endif