diff options
Diffstat (limited to 'meta-xilinx-core/recipes-bsp/u-boot/u-boot-xlnx-blob.inc')
| -rw-r--r-- | meta-xilinx-core/recipes-bsp/u-boot/u-boot-xlnx-blob.inc | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/meta-xilinx-core/recipes-bsp/u-boot/u-boot-xlnx-blob.inc b/meta-xilinx-core/recipes-bsp/u-boot/u-boot-xlnx-blob.inc new file mode 100644 index 00000000..bbf4125f --- /dev/null +++ b/meta-xilinx-core/recipes-bsp/u-boot/u-boot-xlnx-blob.inc @@ -0,0 +1,176 @@ +# U-boot fitimage/blob generator + +UBOOT_IMAGE_BLOB_DEFAULT = "" +UBOOT_IMAGE_BLOB ?= "${UBOOT_IMAGE_BLOB_DEFAULT}" +DT_BLOB_DIR ?= "${B}/arch/arm/dts/dt-blob" +UBOOT_BLOB_NAME ?= "${MACHINE}-fit-dtb${IMAGE_VERSION_SUFFIX}.blob" + +IMPORT_CC_DTBS ?= "" +CC_DTBS_DUP ?= "" +IMPORT_CC_UBOOT_DTBS ?= "" + +DEPENDS:append:eval-brd-sc-zynqmp = " uboot-device-tree" +MKIMAGE_DTBLOB_OPTS ?= "-E -B 0x8" + +# Everything is swtiched on with UBOOT_IMAGE_BLOB = '1' +inherit ${@'image-artifact-names' if d.getVar('UBOOT_IMAGE_BLOB') == "1" else ''} + +python() { + if d.getVar('UBOOT_IMAGE_BLOB') == "1": + d.appendVarFlag('do_compile', 'postfuncs', ' do_blob_generate') + d.appendVarFlag('do_compile', 'cleandirs', ' ${DT_BLOB_DIR}') + d.appendVar('PROVIDES', ' u-boot-xlnx-fit-blob') + d.appendVar('DEPENDS', ' u-boot-mkimage-native') +} + +dtblob_emit_its_section() { + case $2 in + header) + cat << EOF > $1 +/dts-v1/; + +/ { + description = "DT Blob Creation"; +EOF + ;; + imagestart) + cat << EOF >> $1 + + images { +EOF + ;; + confstart) + cat << EOF >> $1 + + configurations { +EOF + ;; + sectend) + cat << EOF >> $1 + }; +EOF + ;; + fitend) + cat << EOF >> $1 +}; +EOF + ;; + esac +} + +dtblob_emit_dtb () { + dtb_csum="md5" + cat << EOF >> $1 + fdt-$2 { + description = "$(basename $3 .dtb)"; + data = /incbin/("$3"); + type = "flat_dt"; + arch = "arm64"; + compression = "none"; + hash-1 { + algo = "$dtb_csum"; + }; + }; +EOF +} + +#1.file name +#2.config node +#3.config node description +#4.DTB count +dtblob_emit_config () { + default_dtb=1 + if [ $4 -eq $default_dtb ]; then + cat << EOF >> $1 + default = "config_$4"; +EOF + fi + cat << EOF >> $1 + config_$4 { + description = "$3"; + fdt = "fdt-$2"; + }; +EOF +} + +do_blob_generate () { + oe_runmake -C ${S} O=${B} dtbs + install -d ${DT_BLOB_DIR} + for CC_DTB in ${IMPORT_CC_DTBS}; do + DTBO=$(echo $CC_DTB | cut -d: -f1) + BASE_DTB=$(echo $CC_DTB | cut -d: -f2) + OUTPUT_DTB=$(echo $CC_DTB | cut -d: -f3) + if [ "${SYSTEM_DTB_BLOB}" = "1" ]; then + BASE_SYS_DTB="${RECIPE_SYSROOT}/${DTB_PATH}/${DTB_FILE_NAME}" + else + BASE_SYS_DTB="${B}/arch/arm/dts/${BASE_DTB}" + fi + bbnote "fdtoverlay -o ${DT_BLOB_DIR}/${OUTPUT_DTB} -i ${BASE_SYS_DTB} ${B}/arch/arm/dts/${DTBO}" + if [ -f ${B}/arch/arm/dts/${DTBO} ]; then + fdtoverlay -o ${DT_BLOB_DIR}/${OUTPUT_DTB} -i ${BASE_SYS_DTB} ${B}/arch/arm/dts/${DTBO} + fi + done + + for CC_DTB in ${IMPORT_CC_UBOOT_DTBS}; do + DTBO=$(echo $CC_DTB | cut -d: -f1) + OUTPUT_DTB=$(echo $CC_DTB | cut -d: -f3) + BASE_SYS_DTB="${RECIPE_SYSROOT}/${DTB_PATH}/${PACKAGE_UBOOT_DTB_NAME}" + if [ -f ${B}/arch/arm/dts/${DTBO} ] && [ -f ${BASE_SYS_DTB} ]; then + bbnote "fdtoverlay -o ${DT_BLOB_DIR}/${OUTPUT_DTB} -i ${BASE_SYS_DTB} ${B}/arch/arm/dts/${DTBO}" + fdtoverlay -o ${DT_BLOB_DIR}/${OUTPUT_DTB} -i ${BASE_SYS_DTB} ${B}/arch/arm/dts/${DTBO} + fi + done + + cd ${DT_BLOB_DIR} + its_filename="dtblob.its" + dtblob_emit_its_section "${its_filename}" "header" + dtblob_emit_its_section "${its_filename}" "imagestart" + for dtb in ${RECIPE_SYSROOT}/${DTB_PATH}/${DTB_FILE_NAME} $(find ${DT_BLOB_DIR} -name '*.dtb' | sort); do + dtblob_emit_dtb "${its_filename}" "$(basename $dtb .dtb)" "$dtb" + done + dtblob_emit_its_section "${its_filename}" "sectend" + dtblob_emit_its_section "${its_filename}" "confstart" + dtbcount=1 + for dtb in ${RECIPE_SYSROOT}/${DTB_PATH}/${DTB_FILE_NAME} $(find ${DT_BLOB_DIR} -name '*.dtb' | sort); do + dtblob_emit_config "${its_filename}" "$(basename $dtb .dtb)" "$(basename $dtb .dtb)" "$dtbcount" + dtbcount=`expr $dtbcount + 1` + done + + for CC_DTB_DUP in ${CC_DTBS_DUP}; do + DTB=$(echo $CC_DTB_DUP | cut -d: -f1) + DUP_DTB=$(echo $CC_DTB_DUP | cut -d: -f2) + if [ -f ${DT_BLOB_DIR}/${DTB}.dtb ]; then + bbnote "Node ${DT_BLOB_DIR}/${DTB} with ${DT_BLOB_DIR}/${DUP_DTB}" + dtblob_emit_config "${its_filename}" "$DTB" "$DUP_DTB" "$dtbcount" + dtbcount=`expr $dtbcount + 1` + else + bberror "CC_DTBS_DUP file not found ${DT_BLOB_DIR}/${DTB}.dtb" + fi + done + + dtblob_emit_its_section "${its_filename}" "sectend" + dtblob_emit_its_section "${its_filename}" "fitend" + + mkimage ${MKIMAGE_DTBLOB_OPTS} -f "${its_filename}" "${UBOOT_BLOB_NAME}" +} + +do_install:append() { + ( + cd ${B} + + if [ -e "${DT_BLOB_DIR}/${UBOOT_BLOB_NAME}" ]; then + install -d ${D}/boot + install -m 0644 ${DT_BLOB_DIR}/${UBOOT_BLOB_NAME} ${D}/boot + ln -sf `basename ${UBOOT_BLOB_NAME}` ${D}/boot/fit-dtb.blob + fi + ) +} + +do_deploy:prepend() { + cd ${B} + + if [ -e "${DT_BLOB_DIR}/${UBOOT_BLOB_NAME}" ]; then + install -m 0644 ${DT_BLOB_DIR}/${UBOOT_BLOB_NAME} ${DEPLOYDIR}/ + ln -sf `basename ${UBOOT_BLOB_NAME}` ${DEPLOYDIR}/fit-dtb.blob + fi +} |