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The factory reset command can be used to enable ccd factory mode. The command can open ccd if write protect is removed and ccd hasn't been restricted. Right now we check FWMP and the ccd password before allowing factory reset. Factory reset cannot be used to get around anything that disables ccd. This adds 72 bytes. BUG=b:77543904 BRANCH=cr50 TEST=Try enabling factory mode using factory reset. Verify setting write protect, setting the FWMP disable ccd bit, or setting a ccd password prevents factory reset from enabling factory mode. Change-Id: I6e203bf6068250f009881aa95c13bc56cb2aa9e7 Signed-off-by: Mary Ruthven <mruthven@google.com> Reviewed-on: https://chromium-review.googlesource.com/1069369 Commit-Ready: Mary Ruthven <mruthven@chromium.org> Tested-by: Mary Ruthven <mruthven@chromium.org> Reviewed-by: Vadim Bendebury <vbendeb@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