Vincent Palatin 5fd3341077 zinger: add support to flash RW firmware
Allow flashing the RW firmware by sending Vendor-Defined Messages over
the USB-PD link.

This is not the secure update whose design is still under discussion,
it's a simple update with integrity check.

Signed-off-by: Vincent Palatin <vpalatin@chromium.org>

BRANCH=none
BUG=chrome-os-partner:28330
TEST=using the following CLs,
./util/flash_pd.py ./build/zinger/ec.RW.flat
and see Zinger booting on RW, repeat the operations with different
builds of the RW firmware.

Change-Id: Icd90eb92f7321ccd66341a50b9dabd73c59c68c1
Reviewed-on: https://chromium-review.googlesource.com/197948
Reviewed-by: Alec Berg <alecaberg@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
Commit-Queue: Vincent Palatin <vpalatin@chromium.org>
2014-05-17 20:14:23 +00:00
2014-03-31 22:45:09 +00:00
2012-05-11 09:11:52 -07:00
2013-12-19 00:12:24 +00:00
2014-04-02 19:58:53 +00:00
2014-05-15 05:20:14 +00:00

For an overview of the Embedded Controller firmware, refer to

http://www.chromium.org/chromium-os/2014-firmware-summit
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