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authorFurquan Shaikh <furquan@chromium.org>2018-02-02 15:11:29 -0800
committerFurquan Shaikh <furquan@google.com>2018-02-05 00:49:12 +0000
commit9d07910d24f4b372222a68087aa95caf332fb1dc (patch)
treed5022e433c62cfc819f7fa4f6dffc9b8b70dc132 /util
parent91ebbfdc5c7b99abc5391b3938367747b1bfc53b (diff)
soc/intel/apollolake: Clear RTC failure bit after reading it
This change ensures that the RTC failure bit is cleared in PMCON1 after cmos_init checks for it. Before this change, RPS was cleared in dev init phase. If any reboot occurred before dev init stage (e.g. FSP reset) then RPS won't be cleared and cmos_init will re-initialize CMOS data. This resulted in any information like VBNV flags stored in CMOS after first cmos_init to be lost. BUG=b:72879807 BRANCH=coral TEST=Verified that recovery request is preserved when recovery is requested without battery on coral. Change-Id: Ib23b1fcd5c3624bad6ab83dce17a469b2f5b5ba8 Signed-off-by: Furquan Shaikh <furquan@chromium.org> Reviewed-on: https://review.coreboot.org/23578 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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