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a56f966556
This is a temporary hack to allow PD MCU to negotiate for 20V before EC tells it that the battery is present. This is currently necessary because at 5V, we don't have enough power to boot the AP, and we can't wait to boot the AP until we negotiate because the zinger tends to get stuck in an infinite reboot loop when the AP is off. Note that this will need to be removed when we implement PD software sync because the whole point of that is to not talk to outside world until we verify our code. BUG=chrome-os-partner:29840 BRANCH=none TEST=Tested on samus 2A and 2B boards, made sure system could boot with and without battery. Change-Id: I03f319bf81b4e90758132e774848dff5542f4ce5 Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Signed-off-by: Alec Berg <alecaberg@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/205144 Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
For an overview of the Embedded Controller firmware, refer to http://www.chromium.org/chromium-os/2014-firmware-summit