buildroot/board/globalscale/espressobin/genimage.cfg

# Minimal image, no U-boot since v3/v5 cannot boot from sdcard, see
# readme.txt for details on configuring the on-board u-boot.
image sdcard.img {
	hdimage {
	}

	partition rootfs {
		partition-type = 0x83
		image = "rootfs.ext4"
	}
}