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authorFurquan Shaikh <furquan@google.com>2016-07-22 08:56:43 -0700
committerFurquan Shaikh <furquan@google.com>2016-07-25 18:57:15 +0200
commit85aa1353264e34b9060e6c35a09eff3def47cc70 (patch)
tree11a3d747bf0aa9ca91d601e9ce2a3a60f42dd562 /src/soc
parent041bc763865414a099622fb4519c9458dfe923c9 (diff)
google/chromeos: Add support for saving recovery reason across reboot
On some x86 platforms (skylake, apollolake), we observe reboots at different steps during the FSP initialization. These additional reboots result in loss of recovery request because vboot_reference library clears recovery request on vbnv once verification is complete and it has made a decision about which boot path to take(normal/dev, slot-a/slot-b, recovery). Provide a way to allow mainboards/chipsets to inform recovery module in vboot2 to save recovery reason to survive unexpected reboots. The recovery reason is set in vbnv after vboot_reference library completes its verification and clears the reason in vbnv while jumping to payload. BUG=chrome-os-partner:55431 Change-Id: Ie96be9aeb42c8209d8215943409e6327d6a8bf98 Signed-off-by: Furquan Shaikh <furquan@google.com> Reviewed-on: https://review.coreboot.org/15802 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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