rpi_inst.conf revision 1.5.4.2 
1# $NetBSD: rpi_inst.conf,v 1.5.4.2 2014/05/22 12:01:34 yamt Exp $
2# Raspberry Pi customization script used by mkimage
3#
4
5board=rpi_inst
6kernel=$src/sys/arch/evbarm/compile/RPI/netbsd-RPI_INSTALL.bin
7
8. ${DIR}/conf/evbarm.conf
9
10image=$HOME/${board}.img
11
12specialdirs="/kern /proc"
13
14swap=8
15extra=8		# spare space
16boot=112
17init=8
18
19size=$(( 10485760 + ${swap} * 1024 * 512 + ${boot} * 1024 * 512 + ${init} * 1024 * 512 ))
20msdosid=12
21
22make_label_evbarm() {
23	# compute all sizes in terms of sectors
24	local totalsize=$(( ${newsize} * 1024 * 2 / 512 ))
25
26	local swapsize=$(( ${swap} * 1024 ))
27	local bootsize=$(( ${boot} * 1024 ))
28
29	local bootoffset=$(( ${init} * 1024 ))
30	local swapoffset=$(( ${bootoffset} + ${bootsize} ))
31
32	local asize=$(( ${totalsize} - ${swapsize} - ${bootsize} - ${bootoffset} ))
33	local aoffset=$(( ${swapoffset} + ${swapsize} ))
34
35	local bps=512
36	local spt=32
37	local tpc=64
38	local spc=2048
39	local cylinders=$(( ${totalsize} / ${spc} ))
40
41	cat << EOF
42type: SCSI
43disk: STORAGE DEVICE
44label: fictitious
45flags: removable
46bytes/sector: ${bps}
47sectors/track: ${spt}
48tracks/cylinder: ${tpc}
49sectors/cylinder: ${spc}
50cylinders: ${cylinders}
51total sectors: ${totalsize}
52rpm: 3600
53interleave: 1
54trackskew: 0
55cylinderskew: 0
56headswitch: 0           # microseconds
57track-to-track seek: 0  # microseconds
58drivedata: 0 
59
608 partitions:
61#     size         offset        fstype [fsize bsize cpg/sgs]
62 a:   ${asize}     ${aoffset}    4.2BSD  ${fsize} ${bsize} 0  # 
63 b:   ${swapsize}  ${swapoffset} swap                         #
64 d:   ${totalsize} 0             unused      0     0          #
65 e:   ${bootsize}  ${bootoffset} MSDOS                        #
66EOF
67}
68
69make_fstab_evbarm() {
70:
71}
72
73customize_evbarm() {
74	echo "${bar} creating directories ${bar}"
75	mkdir ${mnt}/proc ${mnt}/kern
76}
77firmwaredir=$src/external/broadcom/rpi-firmware/dist
78firmwarefiles="LICENCE.broadcom bootcode.bin fixup.dat fixup_cd.dat start.elf start_cd.elf"
79
80make_filesystems() {
81	make_filesystems_evbarm
82}
83
84make_fstab() {
85	make_fstab_evbarm
86}
87
88make_label() {
89	make_label_evbarm
90}
91
92customize() {
93	customize_evbarm
94}
95
96populate() {
97	cat > ${mnt}/boot/cmdline.txt << EOF
98root=ld0a console=fb
99#fb=1280x1024		# to select a mode, otherwise try EDID 
100#fb=disable		# to disable fb completely
101EOF
102	if [ ! -f ${kernel} ]; then
103		echo ${PROG}: Missing ${kernel} 1>&2
104		exit 1
105	fi
106
107	echo "${bar} installing kernel ${bar}"
108	case ${kernel} in
109	*.gz)
110		${GZIP_CMD} -dc ${kernel} > ${mnt}/boot/kernel.img
111		;;
112	*)
113		cp ${kernel} ${mnt}/boot/kernel.img
114		;;
115	esac
116
117	echo "${bar} installing firmware files ${bar}"
118	(cd ${mnt}/boot &&
119		for f in ${firmwarefiles}; do
120			echo " $f"
121			cp ${firmwaredir}/${f} .
122		done
123	)
124
125}
126