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The application may need to read/write/erase the flash memory, but we not want console users to do so. This CL adds CONFIG_FLASH_PHYSICAL, which allows the higher-level CONFIG_FLASH to be undefined while still providing the chip-specific flash_physical_* accessor functions. There aren't many board.h files that needed changes, since CONFIG_FLASH_PHYSICAL is enabled by default, just like CONFIG_FLASH. BUG=chrome-os-partner:57408 BRANCH=none TEST=make buildall; try on Gru with and without CR50_DEV=1 See that it still boots, updates, wipes, restores, etc. without linking common/flash.o in the production image; and that the flash commands are still there in the dev build. Signed-off-by: Bill Richardson <wfrichar@chromium.org> Change-Id: I7eb1bbcb414b1c70ee427c4fcb5cea899dbb9e93 Reviewed-on: https://chromium-review.googlesource.com/391188 Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>
For an overview of the Embedded Controller firmware, refer to http://www.chromium.org/chromium-os/2014-firmware-summit For instructions on building from source, refer to http://www.chromium.org/chromium-os/ec-development/getting-started-building-ec-images-quickly