1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
/*
* Copyright (C) 2008, Guennadi Liakhovetski <lg@denx.de>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#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;
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 = mktime(rtc->tm_year, rtc->tm_mon, rtc->tm_mday,
rtc->tm_hour, rtc->tm_min, rtc->tm_sec);
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)
{
}
|
