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In the interest of making long-term branch maintenance incur as little
technical debt on us as possible, we should not maintain any files on
the branch we are not actually using.
This has the added effect of making it extremely clear when merging CLs
from the main branch when changes have the possibility to affect us.
The follow-on CL adds a convenience script to actually pull updates from
the main branch and generate a CL for the update.
BUG=b:204206272
BRANCH=ish
TEST=make BOARD=arcada_ish && make BOARD=drallion_ish
Signed-off-by: Jack Rosenthal <jrosenth@chromium.org>
Change-Id: I17e4694c38219b5a0823e0a3e55a28d1348f4b18
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3262038
Reviewed-by: Jett Rink <jettrink@chromium.org>
Reviewed-by: Tom Hughes <tomhughes@chromium.org>
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Bloonchipper firmware uses usart_host_command.c to communicate with Zork's
AP. On AMD SoC we found there is a 256 byte UART FIFO limitation with
Designware's UART IP. Typically DMA should have solved this issue but
looks like Picasso and Dali, UART DMA is not working at expected. This
is causing timeout issues with EC responses > 256 bytes. This patch will
limit the response size to 256 bytes which ensures that AP RX packets
always stay within FIFO limits. Currently UART based host command
transport is only used by FPMCU Dragonclaw STM32 design.
BRANCH=none
BUG=b:160208269
TEST=1. Run bloonchipper binary on Zork FPMCU devices.
2. Check PCO/DALI do not throw UART DMA overrun interrupt.
Signed-off-by: Bhanu Prakash Maiya <bhanumaiya@chromium.org>
Change-Id: I0b99d25cf7d2dd163d05c35585064ad5e61a91ee
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2428203
Commit-Queue: Bhanu Prakash Maiya <bhanumaiya@googlers.com>
Tested-by: Bhanu Prakash Maiya <bhanumaiya@googlers.com>
Reviewed-by: Raul E Rangel <rrangel@chromium.org>
Reviewed-by: Bhanu Prakash Maiya <bhanumaiya@googlers.com>
Auto-Submit: Bhanu Prakash Maiya <bhanumaiya@googlers.com>
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1. USART host command layer in chip/stm32
2. Fix usart implementation in stm32
BUG=b:147849609
BRANCH=none
TEST=1. make BOARD=bloonchipper -j
2. usart request and response works on dragonclaw
Change-Id: Idd89d3e490f23aa528ecaf6510c13d16b405de13
Signed-off-by: Bhanu Prakash Maiya <bhanumaiya@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2190531
Tested-by: Bhanu Prakash Maiya <bhanumaiya@chromium.org>
Reviewed-by: Jett Rink <jettrink@chromium.org>
Reviewed-by: Tom Hughes <tomhughes@chromium.org>
Reviewed-by: Craig Hesling <hesling@chromium.org>
Commit-Queue: Bhanu Prakash Maiya <bhanumaiya@chromium.org>
Auto-Submit: Bhanu Prakash Maiya <bhanumaiya@chromium.org>
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