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authorVadim Bendebury <vbendeb@chromium.org>2014-05-27 18:28:59 -0700
committerMarc Jones <marc.jones@se-eng.com>2015-01-06 16:57:30 +0100
commit897123ab2f3bcde00848ae622faeb2ca1e7004f0 (patch)
tree22cbe519a1a71e28199537f265fa89e268d4e775 /src/southbridge/rdc
parentbc8b4fad1eae6b97b23304871fcdee43c8f360f1 (diff)
libpayload: ipq808x: introduce uart driver
This adds a UART driver for the ipq8064 controller. It still does not quite work in the receive direction - the receive FIFO returns read data in 32 bit chunks, which means that 4 keys need to be pressed before a character pops out of the driver (and it reports it as a single character). This issue is being addressed separately, the driver is being checked in to facilitate concurrent development. BUG=chrome-os-partner:27784, chrome-os-partner:29313 TEST=with deptcharge modifications in place, the AP148 board comes up to the depthcharge prompt: Starting depthcharge on storm... Original-Change-Id: Ief2cfcca73494be5c4147881144470078adcefb8 Original-Signed-off-by: Vadim Bendebury <vbendeb@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/202045 Original-Reviewed-by: Deepa Dinamani <deepad@codeaurora.org> Original-Reviewed-by: Stefan Reinauer <reinauer@chromium.org> (cherry picked from commit 4499318fb9a4e663c504d7c41380ccf2aa89da29) Signed-off-by: Marc Jones <marc.jones@se-eng.com> Change-Id: I3e07d7568c20c0e570222971ff219de3a6d9b7cc Reviewed-on: http://review.coreboot.org/8061 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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