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;
}
static void rtc_post_restore (struct rtc_time *tm, unsigned int sec)
{
time_t t = rtc_mktime(tm) + sec;
struct rtc_time ntm;
rtc_to_tm(t, &ntm);
rtc_set (&ntm);
}
void genimg_print_time(time_t timestamp)
{
#ifndef USE_HOSTCC
struct rtc_time tm;
rtc_to_tm(timestamp, &tm);
printf("%4d-%02d-%02d %2d:%02d:%02d UTC\n",
tm.tm_year, tm.tm_mon, tm.tm_mday,
tm.tm_hour, tm.tm_min, tm.tm_sec);
#else
printf("%s", ctime(×tamp));
#endif
}
static int sandbox_i2c_rtc_get(struct udevice *dev, struct rtc_time *time)
{
struct sandbox_i2c_rtc_plat_data *plat = dev_get_platdata(dev);
struct rtc_time tm_now;
long now;
if (plat->use_system_time) {
os_localtime(&tm_now);
now = rtc_mktime(&tm_now);
} else {
now = plat->base_time;
}
return rtc_to_tm(now + plat->offset, time);
}
int rtc_get(struct rtc_time *tmp)
{
unsigned long now;
int rc = 0;
if (!data.init_done) {
rc = di_init();
if (rc)
goto err;
}
now = __raw_readl(&data.regs->dtcmr);
rtc_to_tm(now, tmp);
err:
return rc;
}
int rtc_get(struct rtc_time *time)
{
struct chromeec_command cmd;
struct ec_response_rtc r;
cmd.cmd_code = EC_CMD_RTC_GET_VALUE;
cmd.cmd_version = 0;
cmd.cmd_size_in = 0;
cmd.cmd_data_out = &r;
cmd.cmd_size_out = sizeof(r);
cmd.cmd_dev_index = 0;
if (google_chromeec_command(&cmd) != 0)
return -1;
return rtc_to_tm(r.time, time);
}
/*
* Get the current time from the RTC
*/
static int pl031_get(struct udevice *dev, struct rtc_time *tm)
{
unsigned long tim;
if (!tm)
return -EINVAL;
tim = pl031_read_reg(dev, RTC_DR);
rtc_to_tm(tim, tm);
debug("Get DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n",
tm->tm_year, tm->tm_mon, tm->tm_mday, tm->tm_wday,
tm->tm_hour, tm->tm_min, tm->tm_sec);
return 0;
}
int rtc_get (struct rtc_time *tmp)
{
at91_rtt_t *rtt = (at91_rtt_t *) ATMEL_BASE_RTT;
at91_gpbr_t *gpbr = (at91_gpbr_t *) ATMEL_BASE_GPBR;
ulong tim;
ulong tim2;
ulong off;
do {
tim = readl(&rtt->vr);
tim2 = readl(&rtt->vr);
} while (tim!=tim2);
off = readl(&gpbr->reg[AT91_GPBR_INDEX_TIMEOFF]);
/* off==0 means time is invalid, but we ignore that */
rtc_to_tm(tim+off, tmp);
return 0;
}
/*
* Get the current time from the RTC
*/
int rtc_get(struct rtc_time *tmp)
{
ulong tim;
if(!pl031_initted)
rtc_init();
if (tmp == NULL) {
puts("Error getting the date/time\n");
return -1;
}
tim = RTC_READ_REG(RTC_DR);
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_post_test (int flags)
{
ulong diff;
unsigned int i;
struct rtc_time svtm;
static unsigned int daysnl[] =
{ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
static unsigned int daysl[] =
{ 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
unsigned int ynl = 1999;
unsigned int yl = 2000;
unsigned int skipped = 0;
int reliable;
/* Time reliability */
reliable = rtc_get (&svtm);
/* Time uniformity */
if (rtc_post_skip (&diff) != 0) {
post_log ("Timeout while waiting for a new second !\n");
return -1;
}
for (i = 0; i < 5; i++) {
if (rtc_post_skip (&diff) != 0) {
post_log ("Timeout while waiting for a new second !\n");
return -1;
}
if (diff < 950 || diff > 1050) {
post_log ("Invalid second duration !\n");
return -1;
}
}
/* Passing month boundaries */
if (rtc_post_skip (&diff) != 0) {
post_log ("Timeout while waiting for a new second !\n");
return -1;
}
rtc_get (&svtm);
for (i = 0; i < 12; i++) {
time_t t;
struct rtc_time tm;
tm.tm_year = ynl;
tm.tm_mon = i + 1;
tm.tm_mday = daysnl[i];
tm.tm_hour = 23;
tm.tm_min = 59;
tm.tm_sec = 59;
t = rtc_mktime(&tm);
rtc_to_tm(t, &tm);
rtc_set (&tm);
skipped++;
if (rtc_post_skip (&diff) != 0) {
rtc_post_restore (&svtm, skipped);
post_log ("Timeout while waiting for a new second !\n");
return -1;
}
rtc_get (&tm);
if (tm.tm_mon == i + 1) {
rtc_post_restore (&svtm, skipped);
post_log ("Month %d boundary is not passed !\n", i + 1);
return -1;
}
}
for (i = 0; i < 12; i++) {
time_t t;
struct rtc_time tm;
tm.tm_year = yl;
tm.tm_mon = i + 1;
tm.tm_mday = daysl[i];
tm.tm_hour = 23;
tm.tm_min = 59;
tm.tm_sec = 59;
t = rtc_mktime(&tm);
rtc_to_tm(t, &tm);
rtc_set (&tm);
skipped++;
if (rtc_post_skip (&diff) != 0) {
rtc_post_restore (&svtm, skipped);
post_log ("Timeout while waiting for a new second !\n");
return -1;
}
rtc_get (&tm);
if (tm.tm_mon == i + 1) {
rtc_post_restore (&svtm, skipped);
post_log ("Month %d boundary is not passed !\n", i + 1);
return -1;
}
}
rtc_post_restore (&svtm, skipped);
/* If come here, then RTC operates correcty, check the correctness
* of the time it reports.
*/
if (reliable < 0) {
post_log ("RTC Time is not reliable! Power fault? \n");
return -1;
}
return 0;
}
