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rpi.conf revision 1.36 
      1 # $NetBSD: rpi.conf,v 1.36 2020/05/18 21:19:34 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.bin
      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 -e '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 > ${mnt}/boot/config.txt << EOF
     59 #
     60 upstream_kernel=1
     61 os_prefix=dtb/
     62 cmdline=../cmdline.txt
     63 kernel=/kernel.img
     64 # UART settings, see https://www.raspberrypi.org/documentation/configuration/uart.md
     65 enable_uart=1
     66 force_turbo=0
     67 EOF
     68 
     69 	echo "${bar} kernel ${kernel} ${bar}"
     70 
     71 	if [ ! -f ${kernel} ]; then
     72 		echo ${PROG}: Missing ${kernel} 1>&2
     73 		exit 1
     74 	fi
     75 
     76 	# .img files
     77 	echo "${bar} installing RPI kernel ${bar}"
     78 	case ${kernel} in
     79 	*.gz)
     80 		gzip -dc ${kernel} > ${mnt}/boot/kernel.img
     81 		;;
     82 	*)
     83 		cp ${kernel} ${mnt}/boot/kernel.img
     84 		;;
     85 	esac || fail "copy of ${kernel} to ${mnt}/boot/kernel.img failed"
     86 
     87 	echo "${bar} installing RPI2 kernel ${bar}"
     88 	case ${rpi2_kernel} in
     89 	*.gz)
     90 		gzip -dc ${rpi2_kernel} > ${mnt}/boot/kernel7.img
     91 		;;
     92 	*)
     93 		cp ${rpi2_kernel} ${mnt}/boot/kernel7.img
     94 		;;
     95 	esac || fail "Copy of ${rpi2_kernel} to ${mnt}/boot/kernel7.img failed"
     96 
     97 	echo "${bar} installing kernel files ${bar}"
     98 	# install kernels to /boot partition
     99 	for k in ${kernels}; do
    100 		tgt="$(basename ${k} | sed 's/\.gz$//')"
    101 		echo "${bar} installing ${k} to /boot/${tgt} ${bar}"
    102 		case "${k}" in
    103 		*.gz)
    104 			${GZIP_CMD} -dc "${k}" > "${mnt}/boot/${tgt}"
    105 			;;
    106 		*)
    107 			cp "${k}" "${mnt}/boot/${tgt}"
    108 			;;
    109 		esac
    110 	done
    111 
    112 	echo "${bar} installing firmware files ${bar}"
    113 	(cd ${mnt}/boot &&
    114 		for f in ${firmwarefiles}; do
    115 			echo " $f"
    116 			cp ${firmwaredir}/${f} . || exit 1
    117 		done
    118 	) || fail "Copy of firmware into ${mnt}/boot failed"
    119 
    120 }
    121