buildBananaPiM3OnSdCard.sh

# buildBananaPiM3OnSdCard.sh <sdcard> <mount directory>
# This will attempt to build a jessie chroot
# WARNING, this will wipe your SD Card
# Damien Mascord <tusker@tusker.org>

# LINUX_SRC_DIR is a git clone https://github.com/wens/linux.git
LINUX_SRC_DIR=./linux
#UBOOT_SRC_DIR is a git clone http://git.denx.de/u-boot.git
UBOOT_SRC_DIR=./u-boot-sunxi
HOSTNAME=BPiM3
ROOTPASS=`date | md5sum | cut -c1-16`

if [ $# -lt 2 ]; then
    echo "Usage: $0 <sdcard (ie /dev/sdc)> <mount directory (ie /mnt)>"
    echo " *** WARNING - this will repartition and wipe your sd card ***"
    exit 1
fi
SDCARD=$1
MNT_DIR=$2
sudo echo "sudo successfully"
if [ $? != 0 ]; then
    echo "Unable to sudo, please ensure that global sudo is setup correctly for this user"
fi

# partition the SD Card, leaving 2M at the beginning of the card for u-boot
sudo sfdisk $SDCARD << EOF
2048,
EOF

# make the ext4 filesystem
sudo mkfs.ext4 ${SDCARD}1
# mount the first partition of the SD Card
sudo mount ${SDCARD}1 $MNT_DIR
# build the jessie chroot
sudo qemu-debootstrap --verbose --include=linux-image-armmp-lpae,locales,sunxi-tools,firmware-linux,ssh --arch=armhf --components=main,non-free jessie $MNT_DIR http://ftp.au.debian.org/debian/
echo > /tmp/boot.cmd <<EOF
setenv bootargs console=ttyS0,115200 root=/dev/mmcblk0p1 rootwait panic=10
load mmc 0:1 0x43000000 sun8i-a83t-sinovoip-bpi-m3.dtb || load mmc 0:1 0x43000000 boot/sun8i-a83t-sinovoip-bpi-m3.dtb
load mmc 0:1 0x42000000 zImage || load mmc 0:1 0x42000000 boot/zImage
bootz 0x42000000 - 0x43000000
EOF
sudo mv /tmp/boot.cmd $MNT_DIR/boot.cmd
sudo mkimage -C none -A arm -T script -d $MNT_DIR/boot.cmd $MNT_DIR/boot.scr
if [ ! -e $LINUX_SRC_DIR ]; then
    git clone https://github.com/wens/linux.git
    git fetch
    git checkout a83-emac -b remotes/origin/a83-emac
fi
# build the debian kernel package
pushd $LINUX_SRC_DIR
ARCH=arm make sinovoip_bpi_m3_defconfig
# grab the latest from the repo
git pull
export ARCH=arm
export DEB_HOST_ARCH=armhf
export CROSS_COMPILE=arm-linux-gnueabihf-

export CONCURRENCY_LEVEL=`grep -m1 cpu\ cores /proc/cpuinfo | cut -d : -f 2`
fakeroot make-kpkg --arch arm --cross-compile arm-linux-gnueabihf- --initrd --append-to-version=-custom1 kernel_image kernel_headers
popd
# copy the latest linux-headers and linux-image in the current directory to $MNT_DIR/tmp
LATEST_LINUX_IMAGE=`ls -rt | grep linux-image | tail -1`
LATEST_LINUX_HEADERS=`ls -rt | grep linux-headers | tail -1`
sudo cp -rp $LATEST_LINUX_IMAGE $MNT_DIR/tmp
sudo cp -rp $LATEST_LINUX_HEADERS $MNT_DIR/tmp
# install the linux-headers and linux-image into the mounted chroot
sudo chroot $MNT_DIR dpkg -i /tmp/$LATEST_LINUX_IMAGE
sudo chroot $MNT_DIR dpkg -i /tmp/$LATEST_LINUX_HEADERS
# find out the latest vmlinuz (just installed)
LATEST_IN_CHROOT_VMLINUZ=`sudo ls -rt $MNT_DIR/boot/vmlinuz-* | tail -n1`
LATEST_IN_CHROOT_VMLINUZ=`basename $LATEST_IN_CHROOT_VMLINUZ`
sudo chroot $MNT_DIR ln -s /boot/$LATEST_IN_CHROOT_VMLINUZ /boot/zImage
sudo chroot $MNT_DIR ln -s /boot/zImage /zImage
# copy in the dtb file into the chroot
sudo cp -rp $LINUX_SRC_DIR/arch/arm/boot/dts/sun8i-a83t-sinovoip-bpi-m3.dtb $MNT_DIR/boot
sudo chroot ln -s $MNT_DIR/boot .
if [ ! -e $LINUX_SRC_DIR ]; then
    git clone http://git.denx.de/u-boot.git
    git fetch
    git checkout v2016.05-rc3
fi
pushd $UBOOT_SRC_DIR
# grab the latest from the repo
git pull
export ARCH=arm
export CROSS_COMPILE=arm-linux-gnueabihf-
make Sinovoip_BPI_M3_defconfig
sudo dd if=u-boot-sunxi-with-spl.bin of=$SDCARD bs=1024 seek=8
popd

# once we have our jessie base system, latest built kernel, and u-boot installed, modify our root filesystem to be bootable
echo "/dev/mmcblk0p1  /           ext4    relatime,errors=remount-ro        0       1" > /tmp/fstab
sudo mv /tmp/fstab $MNT_DIR/etc/
echo $HOSTNAME > /tmp/hostname
sudo mv /tmp/hostname $MNT_DIR/etc/
# make sure our hosts resolve our local domain
sudo chroot $MNT_DIR perl -i -p -e "s/localhost/localhost $HOSTNAME/g" /etc/hosts
# setup debian apt repos
cat <<EOF > /tmp/sources.list
#

deb http://ftp.au.debian.org/debian/ jessie main non-free contrib
deb-src http://ftp.au.debian.org/debian/ jessie main non-free contrib

deb http://security.debian.org/ jessie/updates main contrib non-free
deb-src http://security.debian.org/ jessie/updates main contrib non-free

# jessie-updates, previously known as 'volatile'
deb http://ftp.au.debian.org/debian/ jessie-updates main contrib non-free
deb-src http://ftp.au.debian.org/debian/ jessie-updates main contrib non-free
EOF
sudo mv /tmp/sources.list $MNT_DIR/etc/apt/

# setup network interfaces
cat <<EOF > /tmp/interfaces
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
allow-hotplug eth0
iface eth0 inet dhcp
EOF
sudo mv /tmp/interfaces $MNT_DIR/etc/network/
# setup getty
echo "T0:23:respawn:/sbin/getty -L ttyS0 115200 vt100" >> /tmp/inittab
sudo mv /tmp/inittab $MNT_DIR/etc/
# allow root login via SSH
sudo sed -i "s/^PermitRootLogin without-password/PermitRootLogin yes/" $MNT_DIR/etc/ssh/sshd_config
sudo mount -t proc chproc $MNT_DIR/proc
sudo mount chsys $MNT_DIR/sys -t sysfs
sudo mount -t devtmpfs chdev $MNT_DIR/dev || mount --bind /dev $MNT_DIR/dev
sudo mount -t devpts chpts $MNT_DIR/dev/pts
sudo echo -e '#!/bin/sh\nexit 101' > $MNT_DIR/usr/sbin/policy-rc.d
sudo chmod 755 $MNT_DIR/usr/sbin/policy-rc.d
DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true LC_ALL=C LANGUAGE=C LANG=C sudo -E chroot $MNT_DIR dpkg --configure -a
LC_ALL=C LANGUAGE=C LANG=C sudo -E chroot $MNT_DIR dpkg-reconfigure locales
LC_ALL=C LANGUAGE=C LANG=C sudo -E chroot $MNT_DIR dpkg-reconfigure tzdata
LC_ALL=C LANGUAGE=C LANG=C sudo -E chroot $MNT_DIR apt-get -q -y install u-boot u-boot-tools
# get the wifi sdio
LC_ALL=C LANGUAGE=C LANG=C sudo -E chroot $MNT_DIR apt-get -q -y install firmware-brcm80211
sudo wget -O $MNT_DIR/lib/firmware/brcm/brcmfmac43430-sdio.bin https://github.com/RPi-Distro/firmware-nonfree/raw/master/brcm80211/brcm/brcmfmac43430-sdio.bin
sudo wget -O $MNT_DIR/lib/firmware/brcm/brcmfmac43430-sdio.txt https://github.com/RPi-Distro/firmware-nonfree/raw/master/brcm80211/brcm/brcmfmac43430-sdio.txt
# install some other things
LC_ALL=C LANGUAGE=C LANG=C sudo -E chroot $MNT_DIR apt-get -q -y install console-setup keyboard-configuration openssh-server ntp
# set the root password
echo "root:$ROOTPASS"| LC_ALL=C LANGUAGE=C LANG=C sudo -E chroot $MNT_DIR chpasswd
echo "Setting your root password to be $ROOTPASS"
sudo rm $MNT_DIR/usr/sbin/policy-rc.d
sudo rm $MNT_DIR/usr/bin/qemu-arm-static
sudo umount $MNT_DIR/dev/pts && umount $MNT_DIR/dev && umount $MNT_DIR/sys && umount $MNT_DIR/proc && umount $MNT_DIR
sudo sync