upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 
u-boot/drivers/rtc/mc13xxx-rtc.c

65 lines
1.0 KiB

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2008, Guennadi Liakhovetski <lg@denx.de>
*/
#include <common.h>
#include <rtc.h>
#include <spi.h>
#include <power/pmic.h>
#include <fsl_pmic.h>
int rtc_get(struct rtc_time *rtc)
{
u32 day1, day2, time;
int tim, i = 0;
struct pmic *p = pmic_get("FSL_PMIC");
int ret;
if (!p)
return -1;
do {
ret = pmic_reg_read(p, REG_RTC_DAY, &day1);
if (ret < 0)
return -1;
ret = pmic_reg_read(p, REG_RTC_TIME, &time);
if (ret < 0)
return -1;
ret = pmic_reg_read(p, REG_RTC_DAY, &day2);
if (ret < 0)
return -1;
} while (day1 != day2 && i++ < 3);
tim = day1 * 86400 + time;
rtc_to_tm(tim, rtc);
rtc->tm_yday = 0;
rtc->tm_isdst = 0;
return 0;
}
int rtc_set(struct rtc_time *rtc)
{
u32 time, day;
struct pmic *p = pmic_get("FSL_PMIC");
if (!p)
return -1;
time = rtc_mktime(rtc);
day = time / 86400;
time %= 86400;
pmic_reg_write(p, REG_RTC_DAY, day);
pmic_reg_write(p, REG_RTC_TIME, time);
return 0;
}
void rtc_reset(void)
{
}