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e85a3fa0d4
Move TCPC initialized bit from alert register into error status register. This is not part of the TCPCI spec, but the existing code creates a bug that if TCPM reboots without TCPC also rebooting, then we will never get the initialized alert from TCPC since it has already happened, so the TCPM will loop indefinitely waiting for TCPC to be ready. This fixes the bug by moving the bit to a status register, which is more appropriate. BUG=none BRANCH=none TEST=load on glados, reboot and make sure TCPM see's that the TCPC is initialized. Change-Id: I8e96b59031e01a4faec8f519727df1fa95f498bc Signed-off-by: Alec Berg <alecaberg@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/288342 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