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071142fe68
EC_IN_RW signal is used to determine if the switch to dev mode can be safely made. However, EC_IN_RW needs the EC_RST_L line driven low in order to be reset. In faft tests that utilize crosEcSoftrecPower method, EC_RST_L is not being driven by servo to fix other test failures related to keeping EC and AC reboots in sync. This CL adds a new argument 'wait-ext' to the EC reboot command. When this option is used, instead of the EC generating a reset via it's system watchdog, it will wait 10 seconds for EC_RST_L to be driven. BUG=b:64603944 BRANCH=coral CQ-DEPEND=I086687c3dd7591460099267880d56ab8265d2e4b TEST=Ran "/usr/bin/test_that --board=coral <ip addr> firmware_DevMode" mutliple times and verified that it passes. Previoulsy, this test always fails when the EC is in RW before it starts. Also tested platform_ServoPowerStateController_USBPluggedin and verified it passed. Change-Id: I614f9156066d5719601ee43e29c7a064f9bba6e2 Signed-off-by: Scott Collyer <scollyer@google.com> Reviewed-on: https://chromium-review.googlesource.com/737524 Commit-Ready: Scott Collyer <scollyer@chromium.org> Tested-by: Scott Collyer <scollyer@chromium.org> Reviewed-by: Randall Spangler <rspangler@chromium.org>