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: ${device}"
  21     exit
  22
  23 if [ -z "${tarball}" ]; then
  24     echo "Tarball not specified"
  25     exit
  26 fi
  27
  28 if [ ! -f '/usr/lib/u-boot/wandboard_quad/u-boot.imx' ]; then
  29     echo "Unable to find wandboard u-boot file"
  30     exit
  31 fi
  32
  33 # u-boot needs to be dd'd to the device, not a partition
  34 # but kpartx does not setup the device, just the partitions
  35
  36 sudo dd if=/dev/zero of=${device} bs=1M count=10
  37 sudo dd if=/usr/lib/u-boot/wandboard_quad/u-boot.imx of=${device} seek=1 conv=fsync bs=1k
  38 sudo sfdisk --in-order --Linux --unit M ${device} <<-__EOF__
  39 1,,0x83,-
  40 __EOF__
  41 sudo mkfs.ext4 ${device}p1 -L rootfs
  42
  43 dir=`mktemp -d`
  44 sudo mount ${Ddevice}p1 ${dir}
  45 sudo tar -xzf ${tarball} -C ${dir}
  46
  47 # assumes a single partition deployment to SD card
  48
  49 ver=$(basename `find $rootdir/lib/modules/ -maxdepth 1 -mindepth 1 -type d`)
  50 sudo touch ${dir}/uEnv.txt
  51 sudo chmod 666 ${dir}/uEnv.txt
  52 echo fdt_file=/boot/dtbs/imx6q-wandboard.dtb > ${dir}/uEnv.txt
  53 echo image=/boot/vmlinuz-${ver} >> ${dir}/uEnv.txt
  54 echo mmcroot=/dev/mmcblk0p1 rootwait rw >> ${dir}/uEnv.txt
  55 echo loadaddr='0x11000000' >> ${dir}/uEnv.txt
  56 echo initrd_addr_r='0x13000000' >> ${dir}/uEnv.txt
  57 echo fdt_addr='0x12000000' >> ${dir}/uEnv.txt
  58 echo initrd_high='0xffffffff' >> ${dir}/uEnv.txt
  59 echo fdt_high='0xffffffff' >> ${dir}/uEnv.txt
  60 echo console=ttymxc0,115200 >> ${dir}/uEnv.txt
  61 echo loadinitrd=load mmc ${mmcdev}:${mmcpart} ${initrd_addr_r} /boot/initrd.img-${ver}.uboot; setenv initrd_size ${filesize} >> ${dir}/uEnv.txt
  62 echo bootargs=console=${console},${baudrate} root=${mmcroot} >> ${dir}/uEnv.txt
  63 echo bootcmd=run loadfdt; run loadimage; run loadinitrd; bootz ${loadaddr} ${ramdisk_addr_r}:${filesize} ${fdt_addr} >> ${dir}/uEnv.txt
  64 sudo chmod 644 ${dir}/uEnv.txt
  65 sudo umount ${dir}
  66 sudo rm -rf ${dir}