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In order to support 256 KB ram version of npcx ec, we add CHIP_VARIANT variant to distinguish which verson ec is. In config_chip.h, we use CHIP_VARIANT to specify the size and start address of program memory. Ecst tool also needs a chip parameter to make sure the address range checking of entry pointer won't fail. Modified sources: 1. config_chip.h: Use CHIP_VARIANT to specify the different hardware spec of npcx ec. 2. config_flash_layout.h: Replace constant value with CONFIG_PROGRAM_MEMORY_SIZE for CONFIG_RO_SIZE. 3. build.mk: Add -chip parameter for ecst tool to check entry address. 4. npcx_evb\build.mk: Add CHIP_VARIANT definition (npcx5m5g). 5. npcx_evb_arm\build.mk: Add CHIP_VARIANT definition (npcx5m5g). 6. wheatley\build.mk: Add CHIP_VARIANT definition (npcx5m5g). BUG=chrome-os-partner:34346 TEST=make buildall -j; test nuvoton IC specific drivers BRANCH=none Change-Id: I1b8b9b9d0a59bdc01210f498ac67e4a342743b47 Signed-off-by: Mulin Chao <mlchao@nuvoton.com> Reviewed-on: https://chromium-review.googlesource.com/330072 Tested-by: Kevin K Wong <kevin.k.wong@intel.com> Reviewed-by: Kevin K Wong <kevin.k.wong@intel.com> Reviewed-by: Shawn N <shawnn@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