examples/wandboard-uboot.sh

   1 #!/bin/sh
   2
   3 set -e
   4
   5 # This script is experimental and incomplete.
   6
   7 # Expects a tarball rootfs which includes a kernel, e.g.
   8 # wandboard6q.sh --tarball wandboard.tgz
   9 # wandboard-uboot.sh /dev/mmcblk0 wandboard.tgz
  10
  11 device=$1
  12 tarball=$2
  13
  14 if [ -z "${device}" ]; then
  15     echo "Block device not specified"
  16     exit
  17 fi
  18
  19 if [ ! -f "${device}" ]; then
  20     echo "Specified device does not exist: ${device}"
  21     exit
  22 fi
  23
  24 if [ -z "${tarball}" ]; then
  25     echo "Tarball not specified"
  26     exit
  27 fi
  28
  29 if [ ! -f '/usr/lib/u-boot/wandboard_quad/u-boot.imx' ]; then
  30     echo "Unable to find wandboard u-boot file"
  31     exit
  32 fi
  33
  34 # u-boot needs to be dd'd to the device, not a partition
  35 # but kpartx does not setup the device, just the partitions
  36
  37 sudo dd if=/dev/zero of=${device} bs=1M count=10
  38 sudo dd if=/usr/lib/u-boot/wandboard_quad/u-boot.imx of=${device} seek=1 conv=fsync bs=1k
  39 sudo sfdisk --in-order --Linux --unit M ${device} <<-__EOF__
  40 1,,0x83,-
  41 __EOF__
  42 sudo mkfs.ext4 ${device}p1 -L rootfs
  43
  44 dir=`mktemp -d`
  45 sudo mount ${Ddevice}p1 ${dir}
  46 sudo tar -xzf ${tarball} -C ${dir}
  47
  48 # assumes a single partition deployment to SD card
  49
  50 ver=$(basename `find $rootdir/lib/modules/ -maxdepth 1 -mindepth 1 -type d`)
  51 sudo touch ${dir}/uEnv.txt
  52 sudo chmod 666 ${dir}/uEnv.txt
  53 echo autoload=no > ${dir}/uEnv.txt
  54 echo initrd_high=0xffffffff >> ${dir}/uEnv.txt
  55 echo fdt_high=0xffffffff >> ${dir}/uEnv.txt
  56 echo kernel_addr_r=0x11000000 >> ${dir}/uEnv.txt
  57 echo initrd_addr_r=0x13000000 >> ${dir}/uEnv.txt
  58 echo fdt_addr_r=0x12000000 >> ${dir}/uEnv.txt
  59 echo mmcdev=0 >> ${dir}/uEnv.txt
  60 echo mmcpart=1 >> ${dir}/uEnv.txt
  61 echo ver=3.16.0-4-armmp >> ${dir}/uEnv.txt
  62 echo loadkernel=load mmc ${mmcdev}:${mmcpart} ${kernel_addr_r} boot/vmlinuz-${ver} >> ${dir}/uEnv.txt
  63 echo loadinitrd=load mmc ${mmcdev}:${mmcpart} ${initrd_addr_r} boot/initrd.img-${ver}.uboot; setenv initrd_size ${filesize} >> ${dir}/uEnv.txt
  64 echo loadfdt=load mmc ${mmcdev}:${mmcpart} ${fdt_addr_r} boot/dtbs/imx6q-wandboard.dtb >> ${dir}/uEnv.txt
  65 echo bootargs=console=ttymxc0,115200 root=/dev/mmcblk0p1 rootwait rw ip=dhcp >> ${dir}/uEnv.txt
  66 echo uenvcmd=run loadkernel; run loadinitrd; run loadfdt; bootz ${kernel_addr_r} ${initrd_addr_r} ${fdt_addr_r} >> ${dir}/uEnv.txt
  67 sudo chmod 644 ${dir}/uEnv.txt
  68 sudo umount ${dir}
  69 sudo rm -rf ${dir}