diff options
| author | Marek Vasut <marex@denx.de> | 2015-04-10 01:11:54 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2015-04-23 14:56:08 -0400 |
| commit | 1a1fa24066895dd4eca340c2c8fffd5f5df4d296 (patch) | |
| tree | bf206085c642901c54eb7be8d33b4ccda1cd3816 /common | |
| parent | 23f2f4329d95c1372a5ec18014a1c8e88c2c0251 (diff) | |
| download | u-boot-1a1fa24066895dd4eca340c2c8fffd5f5df4d296.tar.gz u-boot-1a1fa24066895dd4eca340c2c8fffd5f5df4d296.tar.xz u-boot-1a1fa24066895dd4eca340c2c8fffd5f5df4d296.zip | |
rtc: Set valid date after reset
Some RTC chips tend to set garbage date after reset.
This patch sets the date to 2000-01-01 00:00 immediatelly
after the RTC chip reset is issued using the "date reset"
command.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Heiko Schocher <hs@denx.de>
Cc: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'common')
| -rw-r--r-- | common/cmd_date.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/common/cmd_date.c b/common/cmd_date.c index e3491662bc..4a653e5bcf 100644 --- a/common/cmd_date.c +++ b/common/cmd_date.c @@ -27,6 +27,8 @@ static const char * const weekdays[] = { int mk_date (const char *, struct rtc_time *); +static struct rtc_time default_tm = { 0, 0, 0, 1, 1, 2000, 6, 0, 0 }; + static int do_date(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { struct rtc_time tm; @@ -47,6 +49,9 @@ static int do_date(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) if (strcmp(argv[1],"reset") == 0) { puts ("Reset RTC...\n"); rtc_reset (); + rcode = rtc_set(&default_tm); + if (rcode) + puts("## Failed to set date after RTC reset\n"); } else { /* initialize tm with current time */ rcode = rtc_get (&tm); |