1 files changed, 69 insertions, 0 deletions

diff --git a/meta/recipes-kernel/linux/linux-dtb.inc b/meta/recipes-kernel/linux/linux-dtb.inc
new file mode 100644
index 0000000000..6b8f1a54b8
--- /dev/null
+++ b/meta/recipes-kernel/linux/linux-dtb.inc
@@ -0,0 +1,69 @@
+# Support for device tree generation
+FILES_kernel-devicetree = "/${KERNEL_IMAGEDEST}/devicetree*"
+
+python __anonymous () {
+    d.appendVar("PACKAGES", " kernel-devicetree")
+}
+
+do_install_append() {
+        if test -n "${KERNEL_DEVICETREE}"; then
+                for DTB in ${KERNEL_DEVICETREE}; do
+                        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
+                        DTB_BASE_NAME=`basename ${DTB} .dtb`
+                        DTB_NAME=`echo ${KERNEL_IMAGE_BASE_NAME} | sed "s/${MACHINE}/${DTB_BASE_NAME}/g"`
+                        DTB_SYMLINK_NAME=`echo ${KERNEL_IMAGE_SYMLINK_NAME} | sed "s/${MACHINE}/${DTB_BASE_NAME}/g"`
+                        DTB_PATH="${B}/arch/${ARCH}/boot/dts/${DTB}"
+                        oe_runmake ${DTB}
+                        if [ ! -e "${DTB_PATH}" ]; then
+                                DTB_PATH="${B}/arch/${ARCH}/boot/${DTB}"
+                        fi
+                        install -m 0644 ${DTB_PATH} ${D}/${KERNEL_IMAGEDEST}/devicetree-${DTB_SYMLINK_NAME}.dtb
+                done
+        fi
+}
+
+do_deploy_append() {
+        if test -n "${KERNEL_DEVICETREE}"; then
+                for DTB in ${KERNEL_DEVICETREE}; do
+                        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
+                        DTB_BASE_NAME=`basename ${DTB} .dtb`
+                        DTB_NAME=`echo ${KERNEL_IMAGE_BASE_NAME} | sed "s/${MACHINE}/${DTB_BASE_NAME}/g"`
+                        DTB_SYMLINK_NAME=`echo ${KERNEL_IMAGE_SYMLINK_NAME} | sed "s/${MACHINE}/${DTB_BASE_NAME}/g"`
+                        DTB_PATH="${B}/arch/${ARCH}/boot/dts/${DTB}"
+                        if [ ! -e "${DTB_PATH}" ]; then
+                                DTB_PATH="${B}/arch/${ARCH}/boot/${DTB}"
+                        fi
+                        install -d ${DEPLOYDIR}
+                        install -m 0644 ${DTB_PATH} ${DEPLOYDIR}/${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 DTB_FILE in ${KERNEL_DEVICETREE}
+        do
+                DTB_BASE_NAME=`basename ${DTB_FILE} | awk -F "." '{print $1}'`
+                DTB_SYMLINK_NAME=`echo ${KERNEL_IMAGE_SYMLINK_NAME} | sed "s/${MACHINE}/${DTB_BASE_NAME}/g"`
+                update-alternatives --install /${KERNEL_IMAGEDEST}/${DTB_BASE_NAME}.dtb ${DTB_BASE_NAME}.dtb devicetree-${DTB_SYMLINK_NAME}.dtb ${KERNEL_PRIORITY} || true
+        done
+}
+
+pkg_postrm_kernel-devicetree () {
+        cd /${KERNEL_IMAGEDEST}
+        for DTB_FILE in ${KERNEL_DEVICETREE}
+        do
+                DTB_BASE_NAME=`basename ${DTB_FILE} | awk -F "." '{print $1}'`
+                DTB_SYMLINK_NAME=`echo ${KERNEL_IMAGE_SYMLINK_NAME} | sed "s/${MACHINE}/${DTB_BASE_NAME}/g"`
+                update-alternatives --remove ${DTB_BASE_NAME}.dtb devicetree-${DTB_SYMLINK_NAME}.dtb ${KERNEL_PRIORITY} || true
+        done
+}