soc/intel/xeon_sp: Add RTC failure checking

Add a weak function mainboard_rtc_failed() for mainboard customization.

Check RTC_PWR_STS bit for RTC battery removal or CMOS clear jumper
triggered event.

Signed-off-by: Jingle Hsu <jingle_hsu@wiwynn.com>
Change-Id: Ic6da84277e71a5c51dfa4d97d5d0c0184478e8f0
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43004
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

0 files changed, 0 insertions, 0 deletions