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2ca7398180
This reverts commit cfcac78e62.
Reason for revert: Removing all s3 termination support. It's not
necessary and it causes scarlet to boot into recovery.
Original change's description:
> cr50: add support for enabling terminations on ap suspend
>
> rk3399 systems need terminations on the SPI signals in S3 and all other
> low power states. Add support for enabling the pulldowns and pullups on
> the correct pins.
>
> With this change, if BOARD_NEEDS_S3_TERM is set in the board properties,
> cr50 will enable a pulldown on the AP TX Cr50 RX signal and a pulldown
> on all of the SPS signals. To keep the pulldowns from interfering with
> the sps peripheral, s3_term will also disable the input for those
> signals.
>
> BUG=b:62200096
> BRANCH=cr50
> TEST=Flash onto bob. Make sure cr50 enables and disables terminations
> when the AP suspends/resumes. Flash onto reef. Make sure it doesn't do
> anything.
>
> Change-Id: I4adaf6d66160bab1eb3cf3d343d4a79524ccf883
> Signed-off-by: Mary Ruthven <mruthven@google.com>
> Reviewed-on: https://chromium-review.googlesource.com/991338
> Commit-Ready: Mary Ruthven <mruthven@chromium.org>
> Tested-by: Mary Ruthven <mruthven@chromium.org>
> Reviewed-by: Randall Spangler <rspangler@chromium.org>
Bug: b:62200096
Change-Id: I00c5051a48d4578badf9ce6622dea1af9903f4fd
Reviewed-on: https://chromium-review.googlesource.com/1062687
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