1# $NetBSD: rpi.conf,v 1.40 2022/11/19 09:19:27 yamt Exp $
2# Raspberry Pi customization script used by mkimage
3#
4
5board=rpi
6kerneldir=$src/sys/arch/evbarm/compile/RPI/
7kernel=$kerneldir/netbsd-RPI.bin
8resize=true
9
10. ${DIR}/conf/evbarm.conf
11
12firmwaredir=$src/external/broadcom/rpi-firmware/dist
13firmwarefiles="LICENCE.broadcom bootcode.bin fixup.dat fixup_cd.dat start.elf start_cd.elf"
14
15make_fstab() {
16	make_fstab_evbarm
17}
18
19make_label() {
20	make_label_evbarm
21}
22
23customize() {
24	customize_evbarm
25	cat >> ${mnt}/etc/rc.conf << EOF
26wscons=YES
27devpubd=YES
28EOF
29
30	#
31	# If arm_freq is specified in config.txt, set CPU frequency
32	# to match at boot time.
33	#
34	cp ${release}/etc/rc.local ${mnt}/etc/rc.local
35	cat >> ${mnt}/etc/rc.local << EOF
36if /sbin/sysctl -q machdep.cpu.frequency.max; then
37	cpufreq_max=\$(/sbin/sysctl -n machdep.cpu.frequency.max)
38	cpufreq_cur=\$(/sbin/sysctl -n machdep.cpu.frequency.current)
39	if [ ! "\$cpufreq_max" = "\$cpufreq_cur" ]; then
40		/sbin/sysctl -w machdep.cpu.frequency.target=\$cpufreq_max
41	fi
42fi
43EOF
44	echo "./etc/rc.local type=file uname=root gname=wheel mode=0644" \
45	    >> "$tmp/selected_sets"
46}
47
48populate() {
49	rpi2_kernel="$(echo $kernel | sed -e 's/RPI/RPI2/g')"
50
51	cat > ${mnt}/boot/cmdline.txt << EOF
52root=ld0a console=fb
53#fb=1280x1024		# to select a mode, otherwise try EDID
54#fb=disable		# to disable fb completely
55EOF
56
57	cat > ${mnt}/boot/config.txt << EOF
58#
59upstream_kernel=1
60os_prefix=dtb/
61cmdline=../cmdline.txt
62# UART settings, see https://www.raspberrypi.com/documentation/computers/configuration.html#configuring-uarts
63enable_uart=1
64force_turbo=0
65# Default kernel for BCM2836 and later
66kernel=/kernel7.img
67# Override kernel for BCM2835 based boards
68[pi0]
69kernel=/kernel.img
70[pi0w]
71kernel=/kernel.img
72[pi1]
73kernel=/kernel.img
74[all]
75#
76EOF
77
78	echo "${bar} kernel ${kernel} ${bar}"
79
80	if [ ! -f ${kernel} ]; then
81		echo ${PROG}: Missing ${kernel} 1>&2
82		exit 1
83	fi
84
85	# .img files
86	echo "${bar} installing RPI kernel ${bar}"
87	case ${kernel} in
88	*.gz)
89		gzip -dc ${kernel} > ${mnt}/boot/kernel.img
90		;;
91	*)
92		cp ${kernel} ${mnt}/boot/kernel.img
93		;;
94	esac || fail "copy of ${kernel} to ${mnt}/boot/kernel.img failed"
95
96	echo "${bar} installing RPI2 kernel ${bar}"
97	case ${rpi2_kernel} in
98	*.gz)
99		gzip -dc ${rpi2_kernel} > ${mnt}/boot/kernel7.img
100		;;
101	*)
102		cp ${rpi2_kernel} ${mnt}/boot/kernel7.img
103		;;
104	esac || fail "Copy of ${rpi2_kernel} to ${mnt}/boot/kernel7.img failed"
105
106	echo "${bar} installing kernel files ${bar}"
107	# install kernels to /boot partition
108	for k in ${kernels}; do
109		tgt="$(basename ${k} | sed 's/\.gz$//')"
110		echo "${bar} installing ${k} to /boot/${tgt} ${bar}"
111		case "${k}" in
112		*.gz)
113			${GZIP_CMD} -dc "${k}" > "${mnt}/boot/${tgt}"
114			;;
115		*)
116			cp "${k}" "${mnt}/boot/${tgt}"
117			;;
118		esac
119	done
120
121	echo "${bar} installing firmware files ${bar}"
122	(cd ${mnt}/boot &&
123		for f in ${firmwarefiles}; do
124			echo " $f"
125			cp ${firmwaredir}/${f} . || exit 1
126		done
127	) || fail "Copy of firmware into ${mnt}/boot failed"
128
129}
130