freebsd-skq/sys/tools/fdt/make_dtb.sh
manu 0468e335de make.conf: Add the possibility to use another DTC
Add a make.conf DTC variable that control which DTC (Device Tree Compiler)
to use.

Reviewed by:	bdrewery, imp
Differential Revision:	https://reviews.freebsd.org/D9577
2017-06-17 23:34:53 +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}
for d in ${dts}; do
dtb=${dtb_path}/`basename $d .dts`.dtb
echo "converting $d -> $dtb"
cpp -P -x assembler-with-cpp -I $S/gnu/dts/include -I $S/boot/fdt/dts/${MACHINE} -I $S/gnu/dts/${MACHINE} -include $d /dev/null |
${DTC} -@ -O dtb -o $dtb -b 0 -p 1024 -i $S/boot/fdt/dts/${MACHINE} -i $S/gnu/dts/${MACHINE}
done