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# Support for device tree generation
FILES_kernel-devicetree = "/${KERNEL_IMAGEDEST}/devicetree*"
PACKAGE_WRITE_DEPS += "virtual/update-alternatives-native"
python __anonymous () {
d.appendVar("PACKAGES", " kernel-devicetree")
}
normalize_dtb () {
DTB="$1"
if echo ${DTB} | grep -q '/dts/'; then
bbwarn "${DTB} contains the full path to the the dts file, but only the dtb name should be used."
DTB=`basename ${DTB} | sed 's,\.dts$,.dtb,g'`
fi
echo "${DTB}"
}
get_real_dtb_path_in_kernel () {
DTB="$1"
DTB_PATH="${B}/arch/${ARCH}/boot/dts/${DTB}"
if [ ! -e "${DTB_PATH}" ]; then
DTB_PATH="${B}/arch/${ARCH}/boot/${DTB}"
fi
echo "${DTB_PATH}"
}
do_compile_append() {
for DTB in ${KERNEL_DEVICETREE}; do
DTB=`normalize_dtb "${DTB}"`
oe_runmake ${DTB}
done
}
do_install_append() {
for DTB in ${KERNEL_DEVICETREE}; do
DTB=`normalize_dtb "${DTB}"`
DTB_EXT=${DTB##*.}
DTB_BASE_NAME=`basename ${DTB} ."${DTB_EXT}"`
for type in ${KERNEL_IMAGETYPE_FOR_MAKE}; do
symlink_name=${type}"-"${KERNEL_IMAGE_SYMLINK_NAME}
DTB_SYMLINK_NAME=`echo ${symlink_name} | sed "s/${MACHINE}/${DTB_BASE_NAME}/g"`
DTB_PATH=`get_real_dtb_path_in_kernel "${DTB}"`
install -m 0644 ${DTB_PATH} ${D}/${KERNEL_IMAGEDEST}/devicetree-${DTB_SYMLINK_NAME}.${DTB_EXT}
done
done
}
do_deploy_append() {
for DTB in ${KERNEL_DEVICETREE}; do
DTB=`normalize_dtb "${DTB}"`
DTB_EXT=${DTB##*.}
DTB_BASE_NAME=`basename ${DTB} ."${DTB_EXT}"`
for type in ${KERNEL_IMAGETYPE_FOR_MAKE}; do
base_name=${type}"-"${KERNEL_IMAGE_BASE_NAME}
symlink_name=${type}"-"${KERNEL_IMAGE_SYMLINK_NAME}
DTB_NAME=`echo ${base_name} | sed "s/${MACHINE}/${DTB_BASE_NAME}/g"`
DTB_SYMLINK_NAME=`echo ${symlink_name} | sed "s/${MACHINE}/${DTB_BASE_NAME}/g"`
DTB_PATH=`get_real_dtb_path_in_kernel "${DTB}"`
install -d ${DEPLOYDIR}
install -m 0644 ${DTB_PATH} ${DEPLOYDIR}/${DTB_NAME}.${DTB_EXT}
ln -sf ${DTB_NAME}.${DTB_EXT} ${DEPLOYDIR}/${DTB_SYMLINK_NAME}.${DTB_EXT}
done
done
}
pkg_postinst_kernel-devicetree () {
cd /${KERNEL_IMAGEDEST}
for DTB in ${KERNEL_DEVICETREE}; do
for type in ${KERNEL_IMAGETYPE_FOR_MAKE}; do
symlink_name=${type}"-"${KERNEL_IMAGE_SYMLINK_NAME}
DTB_EXT=${DTB##*.}
DTB_BASE_NAME=`basename ${DTB} ."${DTB_EXT}"`
DTB_SYMLINK_NAME=`echo ${symlink_name} | sed "s/${MACHINE}/${DTB_BASE_NAME}/g"`
update-alternatives --install /${KERNEL_IMAGEDEST}/${DTB_BASE_NAME}.${DTB_EXT} ${DTB_BASE_NAME}.${DTB_EXT} devicetree-${DTB_SYMLINK_NAME}.${DTB_EXT} ${KERNEL_PRIORITY} || true
done
done
}
pkg_postrm_kernel-devicetree () {
cd /${KERNEL_IMAGEDEST}
for DTB in ${KERNEL_DEVICETREE}; do
for type in ${KERNEL_IMAGETYPE_FOR_MAKE}; do
symlink_name=${type}"-"${KERNEL_IMAGE_SYMLINK_NAME}
DTB_EXT=${DTB##*.}
DTB_BASE_NAME=`basename ${DTB} ."${DTB_EXT}"`
DTB_SYMLINK_NAME=`echo ${symlink_name} | sed "s/${MACHINE}/${DTB_BASE_NAME}/g"`
update-alternatives --remove ${DTB_BASE_NAME}.${DTB_EXT} devicetree-${DTB_SYMLINK_NAME}.${DTB_EXT} ${KERNEL_PRIORITY} || true
done
done
}
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