rpi_inst.conf revision 1.1 
1# $NetBSD: rpi_inst.conf,v 1.1 2013/03/19 22:16:53 garbled Exp $
2# Raspberry Pi customization script used by mkimage
3#
4
5board=rpi_inst
6kernel=$src/sys/arch/evbarm/compile/RPI/netbsd-RPI_INSTALL.bin
7
8image=$HOME/${board}.img
9
10specialdirs="/kern /proc"
11
12swap=8
13extra=8		# spare space
14boot=112
15init=8
16
17size=$(( 10485760 + ${swap} * 1024 * 512 + ${boot} * 1024 * 512 + ${init} * 1024 * 512 ))
18msdosid=12
19
20make_label_evbarm() {
21	# compute all sizes in terms of sectors
22	local totalsize=$(( ${newsize} * 1024 * 2 / 512 ))
23
24	local swapsize=$(( ${swap} * 1024 ))
25	local bootsize=$(( ${boot} * 1024 ))
26
27	local bootoffset=$(( ${init} * 1024 ))
28	local swapoffset=$(( ${bootoffset} + ${bootsize} ))
29
30	local asize=$(( ${totalsize} - ${swapsize} - ${bootsize} - ${bootoffset} ))
31	local aoffset=$(( ${swapoffset} + ${swapsize} ))
32
33	local bps=512
34	local spt=32
35	local tpc=64
36	local spc=2048
37	local cylinders=$(( ${totalsize} / ${spc} ))
38
39	cat << EOF
40type: SCSI
41disk: STORAGE DEVICE
42label: fictitious
43flags: removable
44bytes/sector: ${bps}
45sectors/track: ${spt}
46tracks/cylinder: ${tpc}
47sectors/cylinder: ${spc}
48cylinders: ${cylinders}
49total sectors: ${totalsize}
50rpm: 3600
51interleave: 1
52trackskew: 0
53cylinderskew: 0
54headswitch: 0           # microseconds
55track-to-track seek: 0  # microseconds
56drivedata: 0 
57
588 partitions:
59#     size         offset        fstype [fsize bsize cpg/sgs]
60 a:   ${asize}     ${aoffset}    4.2BSD  ${fsize} ${bsize} 0  # 
61 b:   ${swapsize}  ${swapoffset} swap                         #
62 d:   ${totalsize} 0             unused      0     0          #
63 e:   ${bootsize}  ${bootoffset} MSDOS                        #
64EOF
65}
66
67make_fstab_evbarm() {
68}
69
70customize_evbarm() {
71	echo "${bar} creating directories ${bar}"
72	mkdir ${mnt}/proc ${mnt}/kern
73}
74firmwaredir=$src/external/broadcom/rpi-firmware/dist
75firmwarefiles="LICENCE.broadcom bootcode.bin fixup.dat fixup_cd.dat start.elf start_cd.elf"
76
77make_filesystems() {
78	make_filesystems_evbarm
79}
80
81make_fstab() {
82	make_fstab_evbarm
83}
84
85make_label() {
86	make_label_evbarm
87}
88
89customize() {
90	customize_evbarm
91}
92
93populate() {
94	cat > ${mnt}/boot/cmdline.txt << EOF
95root=ld0a console=fb
96#fb=1280x1024		# to select a mode, otherwise try EDID 
97#fb=disable		# to disable fb completely
98EOF
99	if [ ! -f ${kernel} ]; then
100		echo ${PROG}: Missing ${kernel} 1>&2
101		exit 1
102	fi
103
104	echo "${bar} installing kernel ${bar}"
105	case ${kernel} in
106	*.gz)
107		gzip -dc ${kernel} > ${mnt}/boot/kernel.img
108		;;
109	*)
110		cp ${kernel} ${mnt}/boot/kernel.img
111		;;
112	esac
113
114	echo "${bar} installing firmware files ${bar}"
115	(cd ${mnt}/boot &&
116		for f in ${firmwarefiles}; do
117			echo " $f"
118			cp ${firmwaredir}/${f} .
119		done
120	)
121
122}
123