Add UART communication interface to FAFT sequence
In some cases, we want to be able to communicate through UART. Let's add
a simple interface to do so.
BUG=chrome-os-partner:10142
TEST=Use this interface to control fan speed and query fan status.
Change-Id: Ibb645dcf0d00b9e23f6ca1fa141a70876878ad48
Reviewed-on: https://gerrit.chromium.org/gerrit/25380
Reviewed-by: Tom Wai-Hong Tam <waihong@chromium.org>
Commit-Ready: Vic Yang <victoryang@chromium.org>
Tested-by: Vic Yang <victoryang@chromium.org>
1 file changed