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SUMMARY = "Device Trees for BSPs"
DESCRIPTION = "Device Tree generation and packaging for BSP Device Trees."
SECTION = "bsp"
LICENSE = "MIT"
LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4f302"
inherit deploy
INHIBIT_DEFAULT_DEPS = "1"
PACKAGE_ARCH = "${MACHINE_ARCH}"
DEPENDS += "dtc-native"
FILES_${PN} = "/boot/devicetree*"
DEVICETREE_FLAGS ?= "-R 8 -p 0x3000 \
-i ${WORKDIR}/devicetree \
${@' '.join(['-i %s' % i for i in d.getVar('KERNEL_DTS_INCLUDE', True).split()])} \
"
DEVICETREE_PP_FLAGS ?= "-nostdinc -Ulinux \
-I${WORKDIR}/devicetree \
${@' '.join(['-I%s' % i for i in d.getVar('KERNEL_DTS_INCLUDE', True).split()])} \
-x assembler-with-cpp \
"
FILESEXTRAPATHS_prepend := "${THISDIR}/files:"
MACHINE_DEVICETREE_prepend_zynq = " \
common/zynq-7000-qspi-dummy.dtsi \
common/zynq7-base.dtsi \
"
S = "${WORKDIR}"
KERNEL_DTS_INCLUDE ??= ""
KERNEL_DTS_INCLUDE_zynq = " \
${STAGING_KERNEL_DIR}/arch/arm/boot/dts \
${STAGING_KERNEL_DIR}/arch/arm/boot/dts/include \
"
KERNEL_DTS_INCLUDE_zynqmp = " \
${STAGING_KERNEL_DIR}/arch/arm64/boot/dts \
${STAGING_KERNEL_DIR}/arch/arm64/boot/dts/include \
${STAGING_KERNEL_DIR}/arch/arm64/boot/dts/xilinx \
"
python () {
# auto add dependency on kernel tree
if d.getVar("KERNEL_DTS_INCLUDE", True) != "":
d.setVarFlag("do_compile", "depends",
" ".join([d.getVarFlag("do_compile", "depends", True) or "", "virtual/kernel:do_shared_workdir"]))
}
python do_deprecation_check() {
# check for use of 'zynq7-base.dtsi'
import re
for i in d.getVar('MACHINE_DEVICETREE', True).split():
filepath = os.path.join(d.getVar("WORKDIR", True), i)
if os.path.exists(filepath):
with open(filepath, 'rb') as f:
if re.search("/include/ \"zynq7-base.dtsi\"", f.read()):
bb.warn("%s includes 'zynq7-base.dtsi', this include is deprecated." % i)
}
addtask do_deprecation_check after do_unpack
do_compile() {
if test -n "${MACHINE_DEVICETREE}"; then
mkdir -p ${WORKDIR}/devicetree
for i in ${MACHINE_DEVICETREE}; do
if test -e ${WORKDIR}/$i; then
cp ${WORKDIR}/$i ${WORKDIR}/devicetree
fi
done
fi
for DTS_FILE in ${DEVICETREE}; do
DTS_NAME=`basename -s .dts ${DTS_FILE}`
${BUILD_CPP} ${DEVICETREE_PP_FLAGS} -o ${DTS_FILE}.pp ${DTS_FILE}
dtc -I dts -O dtb ${DEVICETREE_FLAGS} -o ${DTS_NAME}.dtb ${DTS_FILE}.pp
done
}
do_install() {
for DTS_FILE in ${DEVICETREE}; do
if [ ! -f ${DTS_FILE} ]; then
echo "Warning: ${DTS_FILE} is not available!"
continue
fi
DTS_NAME=`basename -s .dts ${DTS_FILE}`
install -d ${D}/boot/devicetree
install -m 0644 ${B}/${DTS_NAME}.dtb ${D}/boot/devicetree/${DTS_NAME}.dtb
done
}
do_deploy() {
for DTS_FILE in ${DEVICETREE}; do
if [ ! -f ${DTS_FILE} ]; then
echo "Warning: ${DTS_FILE} is not available!"
continue
fi
DTS_NAME=`basename -s .dts ${DTS_FILE}`
install -d ${DEPLOYDIR}
install -m 0644 ${B}/${DTS_NAME}.dtb ${DEPLOYDIR}/${DTS_NAME}.dtb
done
}
# Deploy ${KERNEL_IMAGETYPE}-${DTS_NAME}.dtb for compatibility with runqemu
DEPLOY_KERNEL_DTB_qemuzynq = "1"
do_deploy_append() {
if [ ! -z "${DEPLOY_KERNEL_DTB}" -a ! -z "${KERNEL_IMAGETYPE}" ]; then
for DTS_FILE in ${DEVICETREE}; do
DTS_NAME=`basename -s .dts ${DTS_FILE}`
KERNELDTBPATH=${DEPLOYDIR}/${KERNEL_IMAGETYPE}-${DTS_NAME}.dtb
if [ ! -e ${KERNELDTBPATH} -o -h ${KERNELDTBPATH} ]; then
ln -sf ${DTS_NAME}.dtb ${KERNELDTBPATH}
fi
done
fi
}
addtask deploy before do_build after do_install
inherit xilinx-utils
DEVICETREE ?= "${@expand_dir_basepaths_by_extension("MACHINE_DEVICETREE", os.path.join(d.getVar("WORKDIR", True), 'devicetree'), '.dts', d)}"
FILESEXTRAPATHS_append := "${@get_additional_bbpath_filespath('conf/machine/boards', d)}"
# Using the MACHINE_DEVICETREE and MACHINE_KCONFIG vars, append them to SRC_URI
SRC_URI += "${@paths_affix(d.getVar("MACHINE_DEVICETREE", True) or '', prefix = 'file://')}"
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