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When a pin power-on default is input, it is necessary to configure output level, pull up, etc. before setting the pin to output. Otherwise, the pin may be set to an undesired logic level for a short time. BUG=chrome-os-partner:51722 TEST=Power-up kevin, verify that CR50_RESET_L (default input, configured as high + open drain output by default) does not go low for a short period at boot. BRANCH=None Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org> Change-Id: Ieaa08e14e6ea15a908f3ff4ee9188e14b17583cf Reviewed-on: https://chromium-review.googlesource.com/335344 Commit-Ready: Shawn N <shawnn@chromium.org> Tested-by: Shawn N <shawnn@chromium.org> Reviewed-by: Randall Spangler <rspangler@chromium.org> Reviewed-by: Mulin Chao <mlchao@nuvoton.com>
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