freebsd-nq/sys/conf/dtb.build.mk
Emmanuel Vadot efdf807990 Switch to the new device-tree vendor tree
The old vendor tree was never fully merged and doing partial merge isn't
supported with git subtree merge so a new one was created.
Switch the build to use the new DTS from sys/contrib/device-tree
This also bump the DTS used to be in sync with Linux 5.9
While here change the way to get the linux version, simply hardcode
the value in sys/dts/freebsd-compatible.dts and use awk to get that
to put it in the CFLAGS.
As a bonus we now have the bindings docs available
in sys/contrib/device-tree/Bindings/ so no need to link to the Linux repo
or to the vendor tree.
2021-01-15 20:08:39 +01:00

82 lines
2.6 KiB
Makefile

# $FreeBSD$
.include <bsd.init.mk>
# Grab all the options for a kernel build. For backwards compat, we need to
# do this after bsd.own.mk.
.include "kern.opts.mk"
DTC?= dtc
.if !defined(SYSDIR)
.if defined(S)
SYSDIR= ${S}
.else
.include <bsd.sysdir.mk>
.endif # defined(S)
.endif # defined(SYSDIR)
.if !defined(SYSDIR) || !exists(${SYSDIR}/kern/)
.error "can't find kernel source tree"
.endif
.for _dts in ${DTS}
# DTB for aarch64 needs to preserve the immediate parent of the .dts, because
# these DTS are vendored and should be installed into their vendored directory.
.if ${MACHINE_CPUARCH} == "aarch64"
DTB+= ${_dts:R:S/$/.dtb/}
.else
DTB+= ${_dts:T:R:S/$/.dtb/}
.endif
.endfor
DTBO=${DTSO:T:R:S/$/.dtbo/}
.SUFFIXES: .dtb .dts .dtbo .dtso
.PATH.dts: ${SYSDIR}/contrib/device-tree/src/${MACHINE} ${SYSDIR}/dts/${MACHINE}
.PATH.dtso: ${SYSDIR}/dts/${MACHINE}/overlays
.export DTC ECHO
.dts.dtb: ${OP_META}
@${ECHO} Generating ${.TARGET} from ${.IMPSRC}
@${SYSDIR}/tools/fdt/make_dtb.sh ${SYSDIR} ${.IMPSRC} ${.OBJDIR}
.dtso.dtbo: ${OP_META}
@${ECHO} Generating ${.TARGET} from ${.IMPSRC}
@${SYSDIR}/tools/fdt/make_dtbo.sh ${SYSDIR} ${.IMPSRC} ${.OBJDIR}
# Add dependencies on the source file so that out-of-tree things can be included
# without any .PATH additions.
.for _dts in ${DTS} ${FDT_DTS_FILE}
${_dts:R:T}.dtb: ${_dts}
.endfor
.for _dtso in ${DTSO}
${_dtso:R:T}.dtbo: ${_dtso}
.endfor
_dtbinstall:
# Need to create this because installkernel doesn't invoke mtree with BSD.root.mtree
# to make sure the tree is setup properly. We don't recreate it to avoid duplicate
# entries in the NO_ROOT case.
test -d ${DESTDIR}${DTBDIR} || ${INSTALL} -d -o ${DTBOWN} -g ${DTBGRP} ${DESTDIR}${DTBDIR}
.for _dtb in ${DTB}
.if ${MACHINE_CPUARCH} == "aarch64"
# :H:T here to grab the vendor component of the DTB path in a way that
# allows out-of-tree DTS builds, too. We make the assumption that
# out-of-tree DTS will have a similar directory structure to in-tree,
# with .dts files appearing in a vendor/ directory.
test -d ${DESTDIR}${DTBDIR}/${_dtb:H:T} || ${INSTALL} -d -o ${DTBOWN} -g ${DTBGRP} ${DESTDIR}${DTBDIR}/${_dtb:H:T}
${INSTALL} -o ${DTBOWN} -g ${DTBGRP} -m ${DTBMODE} \
${_INSTALLFLAGS} ${_dtb:T} ${DESTDIR}${DTBDIR}/${_dtb:H:T}
.else
${INSTALL} -o ${DTBOWN} -g ${DTBGRP} -m ${DTBMODE} \
${_INSTALLFLAGS} ${_dtb} ${DESTDIR}${DTBDIR}/
.endif
.endfor
test -d ${DESTDIR}${DTBODIR} || ${INSTALL} -d -o ${DTBOWN} -g ${DTBGRP} ${DESTDIR}${DTBODIR}
.for _dtbo in ${DTBO}
${INSTALL} -o ${DTBOWN} -g ${DTBGRP} -m ${DTBMODE} \
${_INSTALLFLAGS} ${_dtbo} ${DESTDIR}${DTBODIR}/
.endfor