examples/beagleboneblack-customise.sh

   1 #!/bin/sh
   2
   3 set -e
   4
   5 rootdir=$1
   6
   7 # copy u-boot to the boot partition
   8 cp $rootdir/usr/lib/u-boot/am335x_boneblack/MLO $rootdir/boot/MLO
   9 cp $rootdir/usr/lib/u-boot/am335x_boneblack/u-boot.img $rootdir/boot/u-boot.img
  10
  11 # Setup uEnv.txt
  12 kernelVersion=$(basename `dirname $rootdir/usr/lib/*/am335x-boneblack.dtb`)
  13 version=$(echo $kernelVersion | sed 's/linux-image-\(.*\)/\1/')
  14 initRd=initrd.img-$version
  15 vmlinuz=vmlinuz-$version
  16
  17 # uEnv.txt for Beaglebone
  18 # based on https://github.com/beagleboard/image-builder/blob/master/target/boot/beagleboard.org.txt
  19 cat >> $rootdir/boot/uEnv.txt <<EOF
  20 mmcroot=/dev/mmcblk0p2 ro
  21 mmcrootfstype=ext4 rootwait fixrtc
  22
  23 console=ttyO0,115200n8
  24
  25 kernel_file=$vmlinuz
  26 initrd_file=$initRd
  27
  28 loadaddr=0x80200000
  29 initrd_addr=0x81000000
  30 fdtaddr=0x80F80000
  31
  32 initrd_high=0xffffffff
  33 fdt_high=0xffffffff
  34
  35 loadkernel=load mmc \${mmcdev}:\${mmcpart} \${loadaddr} \${kernel_file}
  36 loadinitrd=load mmc \${mmcdev}:\${mmcpart} \${initrd_addr} \${initrd_file}; setenv initrd_size \${filesize}
  37 loadfdt=load mmc \${mmcdev}:\${mmcpart} \${fdtaddr} /dtbs/\${fdtfile}
  38
  39 loadfiles=run loadkernel; run loadinitrd; run loadfdt
  40 mmcargs=setenv bootargs console=tty0 console=\${console} root=\${mmcroot} rootfstype=\${mmcrootfstype}
  41
  42 uenvcmd=run loadfiles; run mmcargs; bootz \${loadaddr} \${initrd_addr}:\${initrd_size} \${fdtaddr}
  43 EOF
  44
  45 mkdir -p $rootdir/boot/dtbs
  46 cp $rootdir/usr/lib/linux-image-*-armmp/* $rootdir/boot/dtbs