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# Support for device tree generation
FILES_kernel-devicetree = "/${KERNEL_IMAGEDEST}/devicetree*"
KERNEL_DEVICETREE_FLAGS ?= "-R 8 -p 0x3000"
python __anonymous () {
devicetree = d.getVar("KERNEL_DEVICETREE", True) or ''
if devicetree:
depends = d.getVar("DEPENDS", True)
d.setVar("DEPENDS", "%s dtc-native" % depends)
packages = d.getVar("PACKAGES", True)
d.setVar("PACKAGES", "%s kernel-devicetree" % packages)
}
do_install_append() {
if test -n "${KERNEL_DEVICETREE}"; then
for DTS_FILE in ${KERNEL_DEVICETREE}; do
if [ ! -f ${DTS_FILE} ]; then
echo "Warning: ${DTS_FILE} is not available!"
continue
fi
DTS_BASE_NAME=`basename ${DTS_FILE} | awk -F "." '{print $1}'`
DTB_NAME=`echo ${KERNEL_IMAGE_BASE_NAME} | sed "s/${MACHINE}/${DTS_BASE_NAME}/g"`
DTB_SYMLINK_NAME=`echo ${KERNEL_IMAGE_SYMLINK_NAME} | sed "s/${MACHINE}/${DTS_BASE_NAME}/g"`
dtc -I dts -O dtb ${KERNEL_DEVICETREE_FLAGS} -o ${DTS_BASE_NAME} ${DTS_FILE}
install -m 0644 ${DTS_BASE_NAME} ${D}/${KERNEL_IMAGEDEST}/devicetree-${DTB_SYMLINK_NAME}.dtb
done
fi
}
do_deploy_append() {
if test -n "${KERNEL_DEVICETREE}"; then
for DTS_FILE in ${KERNEL_DEVICETREE}; do
if [ ! -f ${DTS_FILE} ]; then
echo "Warning: ${DTS_FILE} is not available!"
continue
fi
DTS_BASE_NAME=`basename ${DTS_FILE} | awk -F "." '{print $1}'`
DTB_NAME=`echo ${KERNEL_IMAGE_BASE_NAME} | sed "s/${MACHINE}/${DTS_BASE_NAME}/g"`
DTB_SYMLINK_NAME=`echo ${KERNEL_IMAGE_SYMLINK_NAME} | sed "s/${MACHINE}/${DTS_BASE_NAME}/g"`
install -d ${DEPLOYDIR}
install -m 0644 ${B}/${DTS_BASE_NAME} ${DEPLOYDIR}/${DTB_NAME}.dtb
cd ${DEPLOYDIR}
ln -sf ${DTB_NAME}.dtb ${DTB_SYMLINK_NAME}.dtb
cd -
done
fi
}
pkg_postinst_kernel-devicetree () {
cd /${KERNEL_IMAGEDEST}
for DTS_FILE in ${KERNEL_DEVICETREE}
do
DTS_BASE_NAME=`basename ${DTS_FILE} | awk -F "." '{print $1}'`
DTB_SYMLINK_NAME=`echo ${KERNEL_IMAGE_SYMLINK_NAME} | sed "s/${MACHINE}/${DTS_BASE_NAME}/g"`
update-alternatives --install /${KERNEL_IMAGEDEST}/${DTS_BASE_NAME}.dtb ${DTS_BASE_NAME}.dtb devicetree-${DTB_SYMLINK_NAME}.dtb ${KERNEL_PRIORITY} || true
done
}
pkg_postrm_kernel-devicetree () {
cd /${KERNEL_IMAGEDEST}
for DTS_FILE in ${KERNEL_DEVICETREE}
do
DTS_BASE_NAME=`basename ${DTS_FILE} | awk -F "." '{print $1}'`
DTB_SYMLINK_NAME=`echo ${KERNEL_IMAGE_SYMLINK_NAME} | sed "s/${MACHINE}/${DTS_BASE_NAME}/g"`
update-alternatives --remove ${DTS_BASE_NAME}.dtb devicetree-${DTB_SYMLINK_NAME}.dtb ${KERNEL_PRIORITY} || true
done
}
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