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Newer Eve boards will lose VBAT on power cycle and therefore cannot successfully save the reset flag state. Implement the workaround that will allow these boards to continue to work for FAFT testing by indicating to the skylake chipset power code that it should skip the PMIC reset when doing 'reboot ap-off'. BUG=b:35585876 BRANCH=none TEST=manual testing on Eve: execute 'reboot ap-off' and ensure that the AP does not power on. Also ensure that 'dut-control power_state:rec' works as expected and does not power off at the recovery screen due to a power button press. Change-Id: Ida1563593d802c00280a55a0d24a504c25fab532 Signed-off-by: Duncan Laurie <dlaurie@google.com> Reviewed-on: https://chromium-review.googlesource.com/514504 Reviewed-by: Furquan Shaikh <furquan@chromium.org> Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
For an overview of the Embedded Controller firmware, refer to http://www.chromium.org/chromium-os/2014-firmware-summit For instructions on building from source, refer to http://www.chromium.org/chromium-os/ec-development/getting-started-building-ec-images-quickly