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# Support for device tree generation
FILES_kernel-devicetree = "/boot/devicetree*"
KERNEL_DEVICETREE_FLAGS = "-R 8 -p 0x3000"
python __anonymous () {
import bb
devicetree = bb.data.getVar("KERNEL_DEVICETREE", d, 1) or ''
if devicetree:
depends = bb.data.getVar("DEPENDS", d, 1)
bb.data.setVar("DEPENDS", "%s dtc-native" % depends, d)
packages = bb.data.getVar("PACKAGES", d, 1)
bb.data.setVar("PACKAGES", "%s kernel-devicetree" % packages, d)
}
do_install_append() {
if test -n "${KERNEL_DEVICETREE}"; then
dtc -I dts -O dtb ${KERNEL_DEVICETREE_FLAGS} -o devicetree ${KERNEL_DEVICETREE}
install -m 0644 devicetree ${D}/boot/devicetree-${KERNEL_VERSION}
install -d ${DEPLOY_DIR_IMAGE}
install -m 0644 devicetree ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_BASE_NAME}.dtb
cd ${DEPLOY_DIR_IMAGE}
rm -f ${KERNEL_IMAGE_SYMLINK_NAME}.dtb
ln -sf ${KERNEL_IMAGE_BASE_NAME}.dtb ${KERNEL_IMAGE_SYMLINK_NAME}.dtb
fi
}
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