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lfw is a customized boot loader with max targeted code size of 4k and data size of 2k.It supports minimal functionalities required to support chromebooks RO/RW architecture.It is placed in the write porected section with RO image . Capabilities include SPI,DMA,UART with minimal debugging support. Currently sysjump support is missing and exception handling is very basic. BUG=chromium:37510 TEST=make buildall -j, flashing and booting on strago BRANCH=None Change-Id: I803998d489297dfe0745dcccbb54412035d73f78 Signed-off-by: Andrey Petrov <andrey.petrov@intel.com> Signed-off-by: Divya Jyothi <divya.jyothi@intel.com> Reviewed-on: https://chromium-review.googlesource.com/265904 Reviewed-by: Randall Spangler <rspangler@chromium.org>
For an overview of the Embedded Controller firmware, refer to http://www.chromium.org/chromium-os/2014-firmware-summit