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|
# 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
}
|
