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rpi_inst.conf revision 1.3 
      1 # $NetBSD: rpi_inst.conf,v 1.3 2013/09/14 12:51:27 ast Exp $
      2 # Raspberry Pi customization script used by mkimage
      3 #
      4 
      5 board=rpi_inst
      6 kernel=$src/sys/arch/evbarm/compile/RPI/netbsd-RPI_INSTALL.bin
      7 
      8 GZIP_CMD=${TOOL_GZIP:-gzip} # ${GZIP} is special to gzip(1)
      9 
     10 image=$HOME/${board}.img
     11 
     12 specialdirs="/kern /proc"
     13 
     14 swap=8
     15 extra=8		# spare space
     16 boot=112
     17 init=8
     18 
     19 size=$(( 10485760 + ${swap} * 1024 * 512 + ${boot} * 1024 * 512 + ${init} * 1024 * 512 ))
     20 msdosid=12
     21 
     22 make_label_evbarm() {
     23 	# compute all sizes in terms of sectors
     24 	local totalsize=$(( ${newsize} * 1024 * 2 / 512 ))
     25 
     26 	local swapsize=$(( ${swap} * 1024 ))
     27 	local bootsize=$(( ${boot} * 1024 ))
     28 
     29 	local bootoffset=$(( ${init} * 1024 ))
     30 	local swapoffset=$(( ${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
     42 type: SCSI
     43 disk: STORAGE DEVICE
     44 label: fictitious
     45 flags: removable
     46 bytes/sector: ${bps}
     47 sectors/track: ${spt}
     48 tracks/cylinder: ${tpc}
     49 sectors/cylinder: ${spc}
     50 cylinders: ${cylinders}
     51 total sectors: ${totalsize}
     52 rpm: 3600
     53 interleave: 1
     54 trackskew: 0
     55 cylinderskew: 0
     56 headswitch: 0           # microseconds
     57 track-to-track seek: 0  # microseconds
     58 drivedata: 0 
     59 
     60 8 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}  ${bootoffset} MSDOS                        #
     66 EOF
     67 }
     68 
     69 make_fstab_evbarm() {
     70 :
     71 }
     72 
     73 customize_evbarm() {
     74 	echo "${bar} creating directories ${bar}"
     75 	mkdir ${mnt}/proc ${mnt}/kern
     76 }
     77 firmwaredir=$src/external/broadcom/rpi-firmware/dist
     78 firmwarefiles="LICENCE.broadcom bootcode.bin fixup.dat fixup_cd.dat start.elf start_cd.elf"
     79 
     80 make_filesystems() {
     81 	make_filesystems_evbarm
     82 }
     83 
     84 make_fstab() {
     85 	make_fstab_evbarm
     86 }
     87 
     88 make_label() {
     89 	make_label_evbarm
     90 }
     91 
     92 customize() {
     93 	customize_evbarm
     94 }
     95 
     96 populate() {
     97 	cat > ${mnt}/boot/cmdline.txt << EOF
     98 root=ld0a console=fb
     99 #fb=1280x1024		# to select a mode, otherwise try EDID 
    100 #fb=disable		# to disable fb completely
    101 EOF
    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