package.mk

# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (C) 2009-2016 Stephan Raue (stephan@openelec.tv)
# Copyright (C) 2017-present Team LibreELEC (https://libreelec.tv)

PKG_NAME="u-boot"
PKG_ARCH="arm aarch64"
PKG_LICENSE="GPL"
PKG_SITE="https://www.denx.de/wiki/U-Boot"
PKG_DEPENDS_TARGET="toolchain openssl:host pkg-config:host Python3:host swig:host pyelftools:host"
PKG_LONGDESC="Das U-Boot is a cross-platform bootloader for embedded systems."

PKG_STAMP="${UBOOT_SYSTEM} ${UBOOT_TARGET}"

case ${PROJECT} in
  Rockchip)
    PKG_VERSION="2025.10" # plus Kwiboo changes for RK3576 support
    PKG_SHA256="b4f032848e56cc8f213ad59f9132c084dbbb632bc29176d024e58220e0efdf4a"
    PKG_URL="https://ftp.denx.de/pub/u-boot/${PKG_NAME}-${PKG_VERSION}.tar.bz2"
    ;;
  *)
    PKG_VERSION="2025.10"
    PKG_SHA256="b4f032848e56cc8f213ad59f9132c084dbbb632bc29176d024e58220e0efdf4a"
    PKG_URL="https://ftp.denx.de/pub/u-boot/${PKG_NAME}-${PKG_VERSION}.tar.bz2"
    ;;
esac

[ -n "${KERNEL_TOOLCHAIN}" ] && PKG_DEPENDS_TARGET+=" gcc-${KERNEL_TOOLCHAIN}:host"

if [ -n "${UBOOT_FIRMWARE}" ]; then
  PKG_DEPENDS_TARGET+=" ${UBOOT_FIRMWARE}"
  PKG_DEPENDS_UNPACK+=" ${UBOOT_FIRMWARE}"
fi

PKG_NEED_UNPACK="${PROJECT_DIR}/${PROJECT}/bootloader"
[ -n "${DEVICE}" ] && PKG_NEED_UNPACK+=" ${PROJECT_DIR}/${PROJECT}/devices/${DEVICE}/bootloader"

post_patch() {
  if [ -n "${UBOOT_SYSTEM}" ] && find_file_path bootloader/config; then
    PKG_CONFIG_FILE="${PKG_BUILD}/configs/$(${ROOT}/${SCRIPTS}/uboot_helper ${PROJECT} ${DEVICE} ${UBOOT_SYSTEM} config)"
    if [ -f "${PKG_CONFIG_FILE}" ]; then
      cat ${FOUND_PATH} >>"${PKG_CONFIG_FILE}"
    fi
  fi
}

make_target() {
  # U-Boot needs host openssl for tools - make sure it finds right one
  # setup_pkg_config_host is required
  setup_pkg_config_host
  if [ -z "${UBOOT_SYSTEM}" ]; then
    echo "UBOOT_SYSTEM must be set to build an image"
    echo "see './scripts/uboot_helper' for more information"
  else
    [ "$(${ROOT}/${SCRIPTS}/uboot_helper ${PROJECT} ${DEVICE} ${UBOOT_SYSTEM} config)" = "none" ] && return 0
    [ "${BUILD_WITH_DEBUG}" = "yes" ] && PKG_DEBUG=1 || PKG_DEBUG=0
    DEBUG=${PKG_DEBUG} CROSS_COMPILE="${TARGET_KERNEL_PREFIX}" LDFLAGS="" ARCH=arm make mrproper
    [ -n "${UBOOT_FIRMWARE}" ] && find_file_path bootloader/firmware && . ${FOUND_PATH}
    DEBUG=${PKG_DEBUG} CROSS_COMPILE="${TARGET_KERNEL_PREFIX}" LDFLAGS="" ARCH=arm make HOSTCC="${HOST_CC}" HOSTCFLAGS="-I${TOOLCHAIN}/include" HOSTLDFLAGS="${HOST_LDFLAGS}" $(${ROOT}/${SCRIPTS}/uboot_helper ${PROJECT} ${DEVICE} ${UBOOT_SYSTEM} config)
    DEBUG=${PKG_DEBUG} CROSS_COMPILE="${TARGET_KERNEL_PREFIX}" LDFLAGS="" ARCH=arm _python_sysroot="${TOOLCHAIN}" _python_prefix=/ _python_exec_prefix=/ make ${UBOOT_TARGET} HOSTCC="${HOST_CC}" HOSTCFLAGS="-I${TOOLCHAIN}/include" HOSTLDFLAGS="${HOST_LDFLAGS}" HOSTSTRIP="true" CONFIG_MKIMAGE_DTC_PATH="scripts/dtc/dtc"
  fi
}

makeinstall_target() {
  mkdir -p ${INSTALL}/usr/share/bootloader

    # Only install u-boot.img et al when building a board specific image
    if [ -n "${UBOOT_SYSTEM}" ]; then
      find_file_path bootloader/install && . ${FOUND_PATH}
    fi

    # Always install the update script
    find_file_path bootloader/update.sh && cp -av ${FOUND_PATH} ${INSTALL}/usr/share/bootloader

    # Always install the canupdate script
    if find_file_path bootloader/canupdate.sh; then
      cp -av ${FOUND_PATH} ${INSTALL}/usr/share/bootloader
      sed -e "s/@PROJECT@/${DEVICE:-${PROJECT}}/g" \
          -i ${INSTALL}/usr/share/bootloader/canupdate.sh
    fi
}