freebsd-nq/sys/tools/fdt/make_dtb.sh
Emmanuel Vadot 4a63c1c1ed Brand our DTS with the Linux version it was imported from
DTS must be synced with the kernel, add a freebsd,dts-version string in
the root node of each DTS that we compile so we can later in the kernel
check that it contain a correct value.

Reviewed by:	imp, mmel
Differential Revision:	https://reviews.freebsd.org/D26724
2020-10-10 07:18:51 +00:00

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#!/bin/sh
#
# $FreeBSD$
# Script generates dtb file ($3) from dts source ($2) in build tree S ($1)
S=$1
dts="$2"
dtb_path=$3
if [ -z "$dts" ]; then
echo "No DTS specified"
exit 1
fi
if [ -z "${MACHINE}" ]; then
MACHINE=$(uname -m)
fi
: "${DTC:=dtc}"
: "${ECHO:=echo}"
: "${CPP:=cpp}"
LINUX_DTS_VERSION=$(make -C $S/gnu/dts -V LINUX_DTS_VERSION)
for d in ${dts}; do
dtb="${dtb_path}/$(basename "$d" .dts).dtb"
${ECHO} "converting $d -> $dtb"
${CPP} -DLINUX_DTS_VERSION=\"${LINUX_DTS_VERSION}\" -P -x assembler-with-cpp -I "$S/gnu/dts/include" -I "$S/dts/${MACHINE}" -I "$S/gnu/dts/${MACHINE}" -I "$S/gnu/dts/" -include "$d" -include "$S/dts/freebsd-compatible.dts" /dev/null |
${DTC} -@ -O dtb -o "$dtb" -b 0 -p 1024 -i "$S/dts/${MACHINE}" -i "$S/gnu/dts/${MACHINE}" -i "$S/gnu/dts/"
done