mirror of
https://git.yoctoproject.org/poky
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85d1f532f3
* just to make it more clear what is local shell variable and what is replaced by bitbake from the metadata and also to prevent the variable to be incorrectly expanded by bitbake if someone happens to define e.g. DTB_BASE_NAME (From OE-Core rev: 98b0f13f0650d970aac7441e7fcfc1089570785f) Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
113 lines
4.0 KiB
Plaintext
113 lines
4.0 KiB
Plaintext
# Support for device tree generation
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PACKAGES_append = " \
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${KERNEL_PACKAGE_NAME}-devicetree \
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${@[d.getVar('KERNEL_PACKAGE_NAME') + '-image-zimage-bundle', ''][d.getVar('KERNEL_DEVICETREE_BUNDLE') != '1']} \
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"
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FILES_${KERNEL_PACKAGE_NAME}-devicetree = "/${KERNEL_IMAGEDEST}/*.dtb /${KERNEL_IMAGEDEST}/*.dtbo"
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FILES_${KERNEL_PACKAGE_NAME}-image-zimage-bundle = "/${KERNEL_IMAGEDEST}/zImage-*.dtb.bin"
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# Generate kernel+devicetree bundle
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KERNEL_DEVICETREE_BUNDLE ?= "0"
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normalize_dtb () {
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dtb="$1"
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if echo $dtb | grep -q '/dts/'; then
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bbwarn "$dtb contains the full path to the the dts file, but only the dtb name should be used."
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dtb=`basename $dtb | sed 's,\.dts$,.dtb,g'`
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fi
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echo "$dtb"
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}
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get_real_dtb_path_in_kernel () {
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dtb="$1"
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dtb_path="${B}/arch/${ARCH}/boot/dts/$dtb"
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if [ ! -e "$dtb_path" ]; then
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dtb_path="${B}/arch/${ARCH}/boot/$dtb"
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fi
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echo "$dtb_path"
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}
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do_configure_append() {
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if [ "${KERNEL_DEVICETREE_BUNDLE}" = "1" ]; then
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if echo ${KERNEL_IMAGETYPE_FOR_MAKE} | grep -q 'zImage'; then
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case "${ARCH}" in
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"arm")
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config="${B}/.config"
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if ! grep -q 'CONFIG_ARM_APPENDED_DTB=y' $config; then
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bbwarn 'CONFIG_ARM_APPENDED_DTB is NOT enabled in the kernel. Enabling it to allow the kernel to boot with the Device Tree appended!'
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sed -i "/CONFIG_ARM_APPENDED_DTB[ =]/d" $config
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echo "CONFIG_ARM_APPENDED_DTB=y" >> $config
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echo "# CONFIG_ARM_ATAG_DTB_COMPAT is not set" >> $config
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fi
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;;
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*)
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bberror "KERNEL_DEVICETREE_BUNDLE is not supported for ${ARCH}. Currently it is only supported for 'ARM'."
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esac
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else
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bberror 'The KERNEL_DEVICETREE_BUNDLE requires the KERNEL_IMAGETYPE to contain zImage.'
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fi
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fi
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}
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do_compile_append() {
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for dtbf in ${KERNEL_DEVICETREE}; do
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dtb=`normalize_dtb "$dtbf"`
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oe_runmake $dtb
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done
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}
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do_install_append() {
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for dtbf in ${KERNEL_DEVICETREE}; do
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dtb=`normalize_dtb "$dtbf"`
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dtb_ext=${dtb##*.}
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dtb_path=`get_real_dtb_path_in_kernel "$dtb"`
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dtb_base_name=`basename $dtb ."$dtb_ext"`
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install -m 0644 $dtb_path ${D}/${KERNEL_IMAGEDEST}/$dtb_base_name.$dtb_ext
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for type in ${KERNEL_IMAGETYPE_FOR_MAKE}; do
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symlink_name=${type}"-"${KERNEL_IMAGE_SYMLINK_NAME}
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dtb_symlink_name=`echo ${symlink_name} | sed "s/${MACHINE}/$dtb_base_name/g"`
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ln -sf $dtb_base_name.$dtb_ext ${D}/${KERNEL_IMAGEDEST}/devicetree-$dtb_symlink_name.$dtb_ext
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if [ "$type" = "zImage" ] && [ "${KERNEL_DEVICETREE_BUNDLE}" = "1" ]; then
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cat ${D}/${KERNEL_IMAGEDEST}/$type \
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${D}/${KERNEL_IMAGEDEST}/$dtb_base_name.$dtb_ext \
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> ${D}/${KERNEL_IMAGEDEST}/$type-$dtb_base_name.$dtb_ext.bin
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fi
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done
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done
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}
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do_deploy_append() {
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for dtbf in ${KERNEL_DEVICETREE}; do
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dtb=`normalize_dtb "$dtbf"`
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dtb_ext=${dtb##*.}
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dtb_base_name=`basename $dtb ."$dtb_ext"`
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for type in ${KERNEL_IMAGETYPE_FOR_MAKE}; do
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base_name=${type}"-"${KERNEL_IMAGE_BASE_NAME}
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symlink_name=${type}"-"${KERNEL_IMAGE_SYMLINK_NAME}
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dtb_name=`echo ${base_name} | sed "s/${MACHINE}/$dtb_base_name/g"`
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dtb_symlink_name=`echo ${symlink_name} | sed "s/${MACHINE}/$dtb_base_name/g"`
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dtb_path=`get_real_dtb_path_in_kernel "$dtb"`
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install -d ${DEPLOYDIR}
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install -m 0644 $dtb_path ${DEPLOYDIR}/$dtb_name.$dtb_ext
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ln -sf $dtb_name.$dtb_ext ${DEPLOYDIR}/$dtb_symlink_name.$dtb_ext
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ln -sf $dtb_name.$dtb_ext ${DEPLOYDIR}/$dtb_base_name.$dtb_ext
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if [ "$type" = "zImage" ] && [ "${KERNEL_DEVICETREE_BUNDLE}" = "1" ]; then
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cat ${DEPLOYDIR}/$type \
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${DEPLOYDIR}/$dtb_name.$dtb_ext \
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> ${DEPLOYDIR}/$dtb_name.$dtb_ext.bin
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ln -sf $dtb_name.$dtb_ext.bin ${DEPLOYDIR}/$type-$dtb_base_name.$dtb_ext.bin
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if [ -e "${KERNEL_OUTPUT_DIR}/${type}.initramfs" ]; then
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cat ${KERNEL_OUTPUT_DIR}/${type}.initramfs \
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${DEPLOYDIR}/$dtb_name.$dtb_ext \
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> ${DEPLOYDIR}/${type}-${INITRAMFS_BASE_NAME}-$dtb_base_name.$dtb_ext.bin
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ln -sf ${type}-${INITRAMFS_BASE_NAME}-$dtb_base_name.$dtb_ext.bin \
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${DEPLOYDIR}/${type}-initramfs-$dtb_base_name.$dtb_ext-${MACHINE}.bin
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fi
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fi
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done
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done
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}
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