tree 06542e3f1cd97c433d41b06a7337945a6c4073b9
parent 0a868ca5b0c37b291b2b1346906c1ca5bfb84dda
author Ran Bi <ran.bi@mediatek.com> 1555486994 +0800
committer YH Lin <yueherngl@chromium.org> 1558575206 +0000

mediatek/mt8183: Enable RTC eosc calibration feature to save power

When system shuts down, RTC enable eosc calibration feature to save
power. Then coreboot RTC driver need to call rtc_enable_dcxo function
at every boot to switch RTC clock source to dcxo.

*** Cherry-pick from coreboot.org, for fixing reboot issue ***

BUG=b:128467245
BRANCH=none
TEST=Boots correctly on Kukui

Change-Id: Iee21e7611df8959cbbc63b6e6655cfb462147748
Signed-off-by: Ran Bi <ran.bi@mediatek.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/coreboot/+/1626168
Reviewed-by: YH Lin <yueherngl@chromium.org>
Commit-Queue: YH Lin <yueherngl@chromium.org>
Tested-by: YH Lin <yueherngl@chromium.org>