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4315a010b0
Cr50 has different gpio configurations for different boards. They cannot be determined until board_init. We want a way to delay enabling the gpio interrupts until the board type can be determined. This change adds a gpio flag, GPIO_INT_DISABLE. When set gpio_pre_init will setup the interrupt, but not enable it. board_init then enables all of the interrupts with init_interrupts. BUG=b:35587228 BRANCH=cr50 TEST=use 'gpiocfg' to verify the setup hasn't changed. Add print statements to verify that gpio_pre_init skips enabling the interrupt on any gpio that has GPIO_INT_DISABLE set Change-Id: I91f73297ab80781b99aa82eda479ae311c13cb77 Signed-off-by: Mary Ruthven <mruthven@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/523808 Reviewed-by: Aseda Aboagye <aaboagye@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