diff options
Diffstat (limited to 'import-layers/yocto-poky/meta/recipes-kernel/linux/linux-dtb.inc')
-rw-r--r-- | import-layers/yocto-poky/meta/recipes-kernel/linux/linux-dtb.inc | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/import-layers/yocto-poky/meta/recipes-kernel/linux/linux-dtb.inc b/import-layers/yocto-poky/meta/recipes-kernel/linux/linux-dtb.inc new file mode 100644 index 000000000..651a19e4a --- /dev/null +++ b/import-layers/yocto-poky/meta/recipes-kernel/linux/linux-dtb.inc @@ -0,0 +1,74 @@ +# Support for device tree generation +FILES_kernel-devicetree = "/${KERNEL_IMAGEDEST}/devicetree*" + +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_BASE_NAME=`basename ${DTB} .dtb` + DTB_SYMLINK_NAME=`echo ${KERNEL_IMAGE_SYMLINK_NAME} | sed "s/${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 + done +} + +do_deploy_append() { + for DTB in ${KERNEL_DEVICETREE}; do + DTB=`normalize_dtb "${DTB}"` + 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}/${DTB_BASE_NAME}/g"` + DTB_PATH=`get_real_dtb_path_in_kernel "${DTB}"` + install -d ${DEPLOYDIR} + install -m 0644 ${DTB_PATH} ${DEPLOYDIR}/${DTB_NAME}.dtb + ln -sf ${DTB_NAME}.dtb ${DEPLOYDIR}/${DTB_SYMLINK_NAME}.dtb + done +} + +pkg_postinst_kernel-devicetree () { + cd /${KERNEL_IMAGEDEST} + for DTB in ${KERNEL_DEVICETREE} + do + DTB_BASE_NAME=`basename ${DTB} | 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 ${DTB_BASE_NAME}.dtb /boot/devicetree-${DTB_SYMLINK_NAME}.dtb ${KERNEL_PRIORITY} || true + done +} + +pkg_postrm_kernel-devicetree () { + cd /${KERNEL_IMAGEDEST} + for DTB in ${KERNEL_DEVICETREE} + do + DTB_BASE_NAME=`basename ${DTB} | awk -F "." '{print $1}'` + DTB_SYMLINK_NAME=`echo ${KERNEL_IMAGE_SYMLINK_NAME} | sed "s/${MACHINE}/${DTB_BASE_NAME}/g"` + update-alternatives --remove ${DTB_BASE_NAME}.dtb /boot/devicetree-${DTB_SYMLINK_NAME}.dtb ${KERNEL_PRIORITY} || true + done +} |