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devel:ARM:Factory:Contrib:Chromebook
E20-chromebook
uboot-image-m400-setup
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File uboot-image-m400-setup of Package E20-chromebook
#!/bin/bash set -x flavor=m400 target=firstboot kerneladdr= ramdiskaddr= bootkernel=default # Kiwi 9.x # Filesystem will be ext4 or btrfs filesystem=$1 # Boot part ID is the partition number where boot/ folder go. It is generaly 2. boot_part_id=$2 case $target in firstboot) conf=boot/boot.script binconf=boot/boot.scr kernel=boot/zImage initrd=boot/initrd # the kernel command line is already prepopulated by KIWI bootargs= # Kiwi 9.x source etc/default/grub source etc/sysconfig/bootloader # kiwi 9.14.2 switched from GRUB_CMDLINE_LINUX to GRUB_CMDLINE_LINUX_DEFAULT in commit 8c916de to fix bsc#1084117 # and in recent kiwi, GRUB_CMDLINE_LINUX_DEFAULT misses root="xyz" - boo#1167565, so use DEFAULT_APPEND, if available if [ -n "$DEFAULT_APPEND" ]; then bootargs="$DEFAULT_APPEND" elif [ -z "$GRUB_CMDLINE_LINUX" ]; then bootargs="$GRUB_CMDLINE_LINUX_DEFAULT" else bootargs="$GRUB_CMDLINE_LINUX" fi ;; boot) hookName=$1 # name of hook script calling this code mountPrefix=$2 # mount path of the image destsPrefix=$3 # base dir for the config files unum=$4 # boot partition ID rdev=$5 # root partition ufix=$6 # title postfix swap=$7 # optional swap partition conf=$destsPrefix/boot/boot.script binconf=$destsPrefix/boot/boot.script #====================================== # make sure conf dir exists #-------------------------------------- mkdir -p $destsPrefix/boot #====================================== # check for device by ID #-------------------------------------- local diskByID=`getDiskID $rdev` local swapByID=`getDiskID $swap swap` #====================================== # check for system image .profile #-------------------------------------- if [ -f $mountPrefix/image/.profile ];then importFile < $mountPrefix/image/.profile fi #====================================== # check for kernel options #-------------------------------------- if [ ! -z "$kiwi_cmdline" ];then KIWI_KERNEL_OPTIONS="$KIWI_KERNEL_OPTIONS $kiwi_cmdline" fi # /.../ # On other systems which supports a boot menu we add # the linux kernel and initrd with its file names # like this: # # kernel=`echo $i | cut -f1 -d:` # initrd=`echo $i | cut -f2 -d:` # # But on arm systems there can only be one kernel because # uboot doesn't support a menu. Thus perl-bootloader also # doesn't support updating the uboot configuration and # that's the reason why we use the links created by # mkinitrd to point to the kernel and initrd in order # to support kernel updates # ---- kernel=uImage initrd=initrd # gather kernel command line bootargs="root=$diskByID loader=$loader" if [ "$imageDiskDevice" ];then bootargs="$bootargs disk=$(getDiskID $imageDiskDevice)" fi if [ "$swap" ];then bootargs="$bootargs resume=$swapByID" fi if [ "$haveLVM" = "yes" ];then bootargs="$bootargs VGROUP=$VGROUP" fi bootargs="$bootargs $KIWI_INITRD_PARAMS" bootargs="$bootargs $KIWI_KERNEL_OPTIONS" # start with a fresh config true > $conf ;; *) echo "Unknown target $target" >&2 exit 1 ;; esac bootdevs=mmc units="0" bootparts='${unit}:'$boot_part_id boottype=bootz [ `uname -m` = "aarch64" ] && boottype=booti setdev='mmc dev ${unit}' sizeprefix=0x fdtfolder=boot/dtb fs=ext2 initrd_high=0xffffffff fdt_high=0xffffffff # To display a splash file, we need a working display, an uncompressed BMP file and 'bmp' commands should_use_splashfile=0 splashfile=opensuse.bmp case $flavor in midway) bootdevs=scsi should_use_fdt=1 setdev=1 # Highbank's u-boot already prepends 0x to the file size sizeprefix= # And calls the variable $fdt_addr rather than $fdtaddr use_fdt_addr=1 ;; cubox) kerneladdr=0x2000000 ramdiskaddr=0x5000000 ;; loco) kerneladdr=0x70800000 ramdiskaddr=0x7e000000 fdtaddr=0x7d800000 should_use_fdt=1 should_load_fdt=1 units="0 1" fdtfile=imx53-qsb.dtb ;; m400) fs="" # Just use "load" command boottype=bootm bootdevs=scsi setdev="true" kerneladdr=0x4002000000 fdtaddr=calculate ramdiskaddr=calculate use_fdt_addr_r=1 should_load_fdt=1 should_use_fdt=1 remove_fdt_high=1 initrd_high=0x43e0000000 fdtfile=apm/apm-m400.dtb fdt_high= ;; pinephone) fs="" use_fdt_addr_r=1 should_load_fdt=1 should_use_fdt=1 fdtfolder=boot/dtb/allwinner fdtfile=sun50i-a64-pinephone-1.2.dtb kernel=boot/Image initrd=boot/initrd units='0 1' use_gpio=1 gpios='114 115 116' ;; esac # override zImage file names if [ $boottype = bootz -a $target = boot ]; then kernel=zImage fi if [ $boottype = booti -a $target = boot ]; then kernel=Image fi # calculate fdt- and ramdiskaddr from kerneladdr # kernel needs maximum 63MB # fdt maximum 1MB # ramdisk can be placed anywhere after that if [ "x$fdtaddr" = "xcalculate" ]; then fdtaddr=$(( $kerneladdr + 0x03F00000 )) # kernel + 63M fdtaddr=`printf '0x%X' $fdtaddr` # convert back to hexadecimal fi if [ "x$ramdiskaddr" = "xcalculate" ]; then ramdiskaddr=$(( $fdtaddr + 0x00100000 )) # fdt + 1M ramdiskaddr=`printf '0x%X' $ramdiskaddr` # convert back to hexadecimal fi # copy bash variables into boot script (except 'target' which is not used in u-boot and may overlap u-boot variables (e.g. cubox-i)) for variable in kernel initrd fdtfile fdtfolder flavor bootdevs bootparts \ initrd_high fdt_high boottype kerneladdr ramdiskaddr should_use_fdt \ should_load_fdt fdtaddr setdev units sizeprefix use_fdt_addr \ use_fdt_addr_r fs remove_fdt_high should_use_splashfile splashfile use_gpio gpios; do value=$(eval "echo $(echo \$$variable)") # only set variables that contain data, leave the others alone if [ "$value" ]; then echo "setenv $variable '$value'" >> $conf fi done # follow KIWI modules/KIWIBoot.pm and append $append variable to the end of bootargs # this allows user to consistently add extra parameters to kernel as simply as possible: # > setenv append extraopt # > boot if [ "x$bootargs" != "x" ]; then echo "setenv bootargs \"$bootargs \${append}\"" >> $conf fi cat >> $conf <<-"EOF" test -n "$kerneladdr" || setenv kerneladdr ${kernel_addr_r} test -n "$ramdiskaddr" || setenv ramdiskaddr ${ramdisk_addr_r} if test 1${should_use_splashfile} = 11; then setenv load_splashfile 'if ${fs}load ${bootdev} ${bootpart} ${kerneladdr} ${splashfile}; then; bmp display ${kerneladdr}; fi;' else setenv load_splashfile '' fi setenv load_kernel '${fs}load ${bootdev} ${bootpart} ${kerneladdr} ${kernel}' setenv load_initrd '${fs}load ${bootdev} ${bootpart} ${ramdiskaddr} ${initrd}; setenv rd_filesize ${sizeprefix}${filesize}' if test 1${should_load_fdt} = 11; then if test 0${fdtfile} = 0call_findfdt; then run findfdt fi if test 0${fdtfile} = 0call_autodetectfdt; then run autodetectfdt fi if test -n "$validatefdt"; then # Beagleboard xM needs to run validatefdt with latest u-boot, but bootpart is 0:2 by default and prefix file with $bootdir. setenv bootpart 0:1 setenv bootdir ${fdtfolder} run validatefdt fi setenv loadfdt '${fs}load ${bootdev} ${bootpart} ${fdtaddr} ${fdtfolder}/${fdtfile}' else setenv loadfdt '' fi if test 1${use_fdt_addr} = 11; then # Calxeda systems use $fdt_addr rather than $fdtaddr setenv fdtaddr $fdt_addr fi if test 1${use_fdt_addr_r} = 11; then # At least upstream rpi_b uses $fdt_addr_r rather than $fdtaddr setenv fdtaddr ${fdt_addr_r} fi if test 1${should_use_fdt} = 11; then setenv boot_kernel '${boottype} ${kerneladdr} ${ramdiskaddr}:${rd_filesize} ${fdtaddr}' else setenv boot_kernel '${boottype} ${kerneladdr} ${ramdiskaddr}:${rd_filesize}' fi if test 1${remove_fdt_high} = 11; then setenv fdt_high fi if test 1${use_gpio} = 11; then setenv gpioset 'for pin in ${gpios}; do gpio set ${pin}; done' setenv gpioclear 'for pin in ${gpios}; do gpio clear ${pin}; done' else setenv gpioset '' sentenv gpioclear '' fi setenv doit 'run gpioset; run load_splashfile; if run load_kernel; then; run load_initrd; run loadfdt; run gpioclear; run boot_kernel; fi' setenv bootcmd 'for bootdev in ${bootdevs}; do for unit in ${units}; do setenv bootpart; for bootpart in ${bootparts}; do setenv fix_bootpart "setenv bootpart $bootpart"; run fix_bootpart; run setdev; run doit; done; done; done' boot EOF #========================================== # Create machine readable uboot format # (only during image creation) #------------------------------------------ if [ -x /usr/bin/mkimage -a "$target" = firstboot ];then mkopts="-A arm -O linux -a 0 -e 0 -T script -C none"; if ! mkimage $mkopts -n 'Boot-Script' -d $conf $binconf;then echo "Failed to create uboot script image" exit 1 fi fi #========================================== # create a uImage for one-off x-gene #------------------------------------------ if [ "$flavor" = "m400" ]; then if [ "$target" = "firstboot" ]; then mkimage -A arm -O linux -C none -T kernel -a 0x00080000 -e 0x00080000 -n Linux -d $kernel boot/uImage mv boot/uImage $kernel fi fi set +x
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