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06ca7d4d91
Before, as soon as the EC started booting, it would unconditionally boot the AP (unless explicitly told not to. ie: "reboot ap-off"). However, we weren't waiting for our power to settle which was causing some brownouts. This would happen when trying to boot without the battery. This commit causes the EC to inhibit powering on the AP until we have sufficient power. BUG=chrome-os-partner:55289 BRANCH=None TEST=Flash EVT2; verify can boot normally. TEST=Remove battery and insert charger. Verify that DUT can boot up. TEST=Insert drained battery. Verify power on is inhbited. Plug in charger and verify that DUT can power on. Change-Id: Ifb40766fcc1d330674ec39de6d81174f92b6d658 Signed-off-by: Aseda Aboagye <aaboagye@google.com> Reviewed-on: https://chromium-review.googlesource.com/361005 Commit-Ready: Aseda Aboagye <aaboagye@chromium.org> Tested-by: Aseda Aboagye <aaboagye@chromium.org> Reviewed-by: Shawn N <shawnn@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