buildroot/board/versal/post-image.sh

#!/bin/sh

# By default U-Boot loads DTB from a file named "system.dtb", so
# let's use a symlink with that name that points to the *first*
# devicetree listed in the config.

FIRST_DT=$(sed -nr \
               -e 's|^BR2_LINUX_KERNEL_INTREE_DTS_NAME="(xilinx/)?([-_/[:alnum:]\\.]*).*"$|\2|p' \
               "${BR2_CONFIG}")

[ -z "${FIRST_DT}" ] || ln -fs "${FIRST_DT}.dtb" "${BINARIES_DIR}/system.dtb"

BOARD_DIR="$(dirname "$0")"

mkdir -p "${BINARIES_DIR}"
cat <<-__HEADER_EOF > "${BINARIES_DIR}/bootgen.bif"
	the_ROM_image:
	{
	  image {
	    { type=bootimage, file=${BINARIES_DIR}/boot.pdi }
	    { type=bootloader, file=${BINARIES_DIR}/plm.elf }
	    { core=psm, file=${BINARIES_DIR}/psmfw.elf }
	  }
	  image {
	    id = 0x1c000000, name=apu_subsystem
	    { type=raw, load=0x00001000, file=${BINARIES_DIR}/u-boot.dtb }
	    { core=a72-0, exception_level=el-3, trustzone, file=${BINARIES_DIR}/bl31.elf }
	    { core=a72-0, exception_level=el-2, file=${BINARIES_DIR}/u-boot.elf }
	  }
	}
	__HEADER_EOF

"${HOST_DIR}/bin/bootgen" -arch versal -image "${BINARIES_DIR}/bootgen.bif" -o "${BINARIES_DIR}/boot.bin" -w on
support/scripts/genimage.sh -c "${BOARD_DIR}/genimage.cfg"