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abd446b806
To enable console with DMA, we need to specifically remap DMA channels for USART1. ch2/3 and ch6/7 are already used by SPI1/2 modules. So we have to remap USART1_TX to ch4 and USART1_RX to ch5. BUG=b:64575809 BRANCH=none TEST=confirm ec console works on scarlet rev1 Change-Id: Ie2bb141c72252aee98e4cd4a284a01b4d57605f4 Signed-off-by: Philip Chen <philipchen@google.com> Reviewed-on: https://chromium-review.googlesource.com/611147 Commit-Ready: Philip Chen <philipchen@chromium.org> Tested-by: Philip Chen <philipchen@chromium.org> Reviewed-by: Vincent Palatin <vpalatin@chromium.org>