# Minimal configuration for a t430 to support flashrom, USB and networking
BOARD=t430.flash

export CONFIG_COREBOOT=y
export CONFIG_COREBOOT_VERSION=4.8.1
export CONFIG_LINUX_VERSION=4.14.62

CONFIG_FLASHROM=y
#CONFIG_GPG=y
CONFIG_FLASHTOOLS=y
CONFIG_PCIUTILS=y
#CONFIG_MBEDTLS=y
#CONFIG_QRENCODE=y
#CONFIG_TPMTOTP=y
#CONFIG_DROPBEAR=y

CONFIG_LINUX_CONFIG=config/linux-x230-flash.config
CONFIG_LINUX_USB=y
CONFIG_LINUX_E1000E=y

export CONFIG_BOOTSCRIPT=/bin/t430-flash.init
export CONFIG_FLASHROM_OPTIONS="--force --noverify-all -p internal --ifd --image bios"

# This board is "special" in that we only want the top 4 MB of the ROM
# for flashing into SPI flash 1 on the mainboard.  This is enough to
# allow the board to boot into a minimal Heads and read the full
# ROM from an external USB media.
all: $(build)/$(BOARD)/heads-$(BOARD)-$(HEADS_GIT_VERSION)-top.rom
$(build)/$(BOARD)/heads-$(BOARD)-$(HEADS_GIT_VERSION)-top.rom: $(build)/$(BOARD)/$(CB_OUTPUT_FILE)
	$(call do,DD 4MB,$@,dd of=$@ if=$< bs=65536 count=64 skip=128 status=none)
	@sha256sum $@
	#We remove the original ROM, leaving only the 4mb top one
	rm $(build)/$(BOARD)/$(CB_OUTPUT_FILE)