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rpi.conf revision 1.33 
      1 # $NetBSD: rpi.conf,v 1.33 2017/12/11 11:38:14 jmcneill Exp $
      2 # Raspberry Pi customization script used by mkimage
      3 #
      4 
      5 board=rpi
      6 kerneldir=$src/sys/arch/evbarm/compile/RPI/
      7 kernel=$kerneldir/netbsd-RPI.img
      8 kernels_rpi="RPI RPI2"
      9 resize=true
     10 
     11 . ${DIR}/conf/evbarm.conf
     12 
     13 firmwaredir=$src/external/broadcom/rpi-firmware/dist
     14 firmwarefiles="LICENCE.broadcom bootcode.bin fixup.dat fixup_cd.dat start.elf start_cd.elf"
     15 
     16 make_fstab() {
     17 	make_fstab_evbarm
     18 }
     19 
     20 make_label() {
     21 	make_label_evbarm
     22 }
     23 
     24 customize() {
     25 	customize_evbarm
     26 	cat >> ${mnt}/etc/rc.conf << EOF
     27 wscons=YES
     28 devpubd=YES
     29 EOF
     30 
     31 	#
     32 	# If arm_freq is specified in config.txt, set CPU frequency
     33 	# to match at boot time.
     34 	#
     35 	cp ${release}/etc/rc.local ${mnt}/etc/rc.local
     36 	cat >> ${mnt}/etc/rc.local << EOF
     37 if /sbin/sysctl -q machdep.cpu.frequency.max; then
     38 	cpufreq_max=\$(/sbin/sysctl -n machdep.cpu.frequency.max)
     39 	cpufreq_cur=\$(/sbin/sysctl -n machdep.cpu.frequency.current)
     40 	if [ ! "\$cpufreq_max" = "\$cpufreq_cur" ]; then
     41 		/sbin/sysctl -w machdep.cpu.frequency.target=\$cpufreq_max
     42 	fi
     43 fi
     44 EOF
     45 	echo "./etc/rc.local type=file uname=root gname=wheel mode=0644" \
     46 	    >> "$tmp/selected_sets"
     47 }
     48 
     49 populate() {
     50 	rpi2_kernel="$(echo $kernel | sed 's/RPI/RPI2/g')"
     51 
     52 	cat > ${mnt}/boot/cmdline.txt << EOF
     53 root=ld0a console=fb
     54 #fb=1280x1024		# to select a mode, otherwise try EDID
     55 #fb=disable		# to disable fb completely
     56 EOF
     57 
     58 	cat > ${mnt}/boot/config.txt << EOF
     59 # UART settings, see https://www.raspberrypi.org/documentation/configuration/uart.md
     60 enable_uart=1
     61 force_turbo=0
     62 EOF
     63 
     64 	echo "${bar} kernel ${kernel} ${bar}"
     65 
     66 	if [ ! -f ${kernel} ]; then
     67 		echo ${PROG}: Missing ${kernel} 1>&2
     68 		exit 1
     69 	fi
     70 
     71 	# .img files
     72 	echo "${bar} installing RPI kernel ${bar}"
     73 	case ${kernel} in
     74 	*.gz)
     75 		gzip -dc ${kernel} > ${mnt}/boot/kernel.img
     76 		;;
     77 	*)
     78 		cp ${kernel} ${mnt}/boot/kernel.img
     79 		;;
     80 	esac || fail "copy of ${kernel} to ${mnt}/boot/kernel.img failed"
     81 
     82 	echo "${bar} installing RPI2 kernel ${bar}"
     83 	case ${rpi2_kernel} in
     84 	*.gz)
     85 		gzip -dc ${rpi2_kernel} > ${mnt}/boot/kernel7.img
     86 		;;
     87 	*)
     88 		cp ${rpi2_kernel} ${mnt}/boot/kernel7.img
     89 		;;
     90 	esac || fail "Copy of ${rpi2_kernel} to ${mnt}/boot/kernel7.img failed"
     91 
     92 	# dtb files
     93 	for k in $kernels_rpi; do
     94 		test -d "${KERNOBJDIR}/${k}" && \
     95 		    dtbs="$(${MAKE} -C ${KERNOBJDIR}/${k} -v DTB)" || \
     96 		    dtbs=
     97 		for dtb in $dtbs; do
     98 			f="${KERNOBJDIR}/${k}/${dtb}"
     99 			test -f "${f}" && kernels="${kernels} ${f}"
    100 		done
    101 	done
    102 
    103 	echo "${bar} installing kernel files ${bar}"
    104 	# install kernels to /boot partition
    105 	for k in ${kernels}; do
    106 		tgt="$(basename ${k} | sed 's/\.gz$//')"
    107 		echo "${bar} installing ${k} to /boot/${tgt} ${bar}"
    108 		case "${k}" in
    109 		*.gz)
    110 			${GZIP_CMD} -dc "${k}" > "${mnt}/boot/${tgt}"
    111 			;;
    112 		*)
    113 			cp "${k}" "${mnt}/boot/${tgt}"
    114 			;;
    115 		esac
    116 	done
    117 
    118 	echo "${bar} installing firmware files ${bar}"
    119 	(cd ${mnt}/boot &&
    120 		for f in ${firmwarefiles}; do
    121 			echo " $f"
    122 			cp ${firmwaredir}/${f} . || exit 1
    123 		done
    124 	) || fail "Copy of firmeware into ${mnt}/boot failed"
    125 
    126 }
    127