xref: /netbsd-src/distrib/utils/embedded/conf/rpi.conf (revision c38e7cc395b1472a774ff828e46123de44c628e9) 
1# $NetBSD: rpi.conf,v 1.34 2017/12/12 21:00:28 jmcneill Exp $
2# Raspberry Pi customization script used by mkimage
3#
4
5board=rpi
6kerneldir=$src/sys/arch/evbarm/compile/RPI/
7kernel=$kerneldir/netbsd-RPI.img
8kernels_rpi="RPI RPI2"
9resize=true
10
11. ${DIR}/conf/evbarm.conf
12
13firmwaredir=$src/external/broadcom/rpi-firmware/dist
14firmwarefiles="LICENCE.broadcom bootcode.bin fixup.dat fixup_cd.dat start.elf start_cd.elf"
15
16make_fstab() {
17	make_fstab_evbarm
18}
19
20make_label() {
21	make_label_evbarm
22}
23
24customize() {
25	customize_evbarm
26	cat >> ${mnt}/etc/rc.conf << EOF
27wscons=YES
28devpubd=YES
29EOF
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 >> ${mnt}/etc/rc.local << EOF
37if /sbin/sysctl -q machdep.cpu.frequency.max; then
38	cpufreq_max=\$(/sbin/sysctl -n machdep.cpu.frequency.max)
39	cpufreq_cur=\$(/sbin/sysctl -n machdep.cpu.frequency.current)
40	if [ ! "\$cpufreq_max" = "\$cpufreq_cur" ]; then
41		/sbin/sysctl -w machdep.cpu.frequency.target=\$cpufreq_max
42	fi
43fi
44EOF
45	echo "./etc/rc.local type=file uname=root gname=wheel mode=0644" \
46	    >> "$tmp/selected_sets"
47}
48
49populate() {
50	rpi2_kernel="$(echo $kernel | sed 's/RPI/RPI2/g')"
51
52	cat > ${mnt}/boot/cmdline.txt << EOF
53root=ld0a console=fb
54#fb=1280x1024		# to select a mode, otherwise try EDID
55#fb=disable		# to disable fb completely
56EOF
57
58	cat > ${mnt}/boot/config.txt << EOF
59# UART settings, see https://www.raspberrypi.org/documentation/configuration/uart.md
60enable_uart=1
61force_turbo=0
62EOF
63
64	echo "${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 firmware into ${mnt}/boot failed"
125
126}
127