diff --git a/src/rootfsinstall.sh b/src/rootfsinstall.sh
index a071fb2..7889112 100755
--- a/src/rootfsinstall.sh
+++ b/src/rootfsinstall.sh
@@ -11,13 +11,15 @@ function usage() {
    echo "Usage: $0 device rootfs-archive [-rpi|-cubox] [-a archive] [-c command] [-fs fstype] [-k kernel] [-p password] [-y]"
    echo
    echo "Target platform (optional):"
+   echo "-bpi        : make a BananaPi SD with boot partition"
    echo "-rpi        : make a RaspberryPi SD with boot partition"
    echo "-cubox      : make a Cubox SD with boot partition"
    echo
    echo "Options:"
    echo "-a archive  : additional archive to unpack in rootfs root"
-   echo "-cp command : command to run before chroot. Use @ROOT@ as reference to rootfs path"
-   echo "-c command  : command to run through chroot in rootfs (maybe specified multiple times)"
+   echo "-cp command : command to run before chroot (may be specified multiple times)"
+   echo "              Use @ROOT@ as reference to rootfs path and @BOOT@ as reference to bootfs path"
+   echo "-c command  : command to run through chroot in rootfs (may be specified multiple times)"
    echo "-fs fstype  : filesystem type for system partition (default: ext4)"
    echo "-h hostname : set given hostname"
    echo "-k kernel   : extract and use specified kernel file from ROOTFS/boot/ for boot"
@@ -38,6 +40,7 @@ while [ "$1" ]; do
    case $1 in
       -y) ASSUMEYES=1 ;;
       -cubox) TARGETDEVICE=cubox ;;
+      -bpi) TARGETDEVICE=bpi ;;
       -rpi) TARGETDEVICE=rpi ;;
       -fs) [ "$2" ] || {
               echo "Error: -fs option requires an argument; aborting."
@@ -65,10 +68,10 @@ while [ "$1" ]; do
            shift
            ;;
       -cp) [ "$2" ] || {
-              echo "Error: -p option requires a command string as argument; aborting."
+              echo "Error: -cp option requires a command string as argument; aborting."
               exit 1
            }
-           PRECHROOTCOMMAND=$2
+           PRECHROOTCOMMANDS[${#PRECHROOTCOMMANDS[*]}]="$2"
            shift
            ;;
       -k) [ "$2" ] || {
@@ -125,13 +128,21 @@ else
 fi
 
 case $TARGETDEVICE in
-   rpi) BOOTFSTYPE=fat32
+   bpi) BOOTFSTYPE=fat32
         BOOTFSSIZE=22M
+        BOOTFSSTART=1049k
+        [ "$USEKERNEL" ] || USEKERNEL=uImage-sunxi
+        KERNELDEST="@BOOT@/kernel.img"
+        ;;
+   rpi) BOOTFSTYPE=fat32
+        BOOTFSSIZE=40M
+        BOOTFSSTART=0
         [ "$USEKERNEL" ] || USEKERNEL=zImage-3.6.11-rpi
         KERNELDEST="@BOOT@/kernel.img"
         ;;
    cubox) BOOTFSTYPE=ext3
-          BOOTFSSIZE=22M
+          BOOTFSSIZE=20M
+          BOOTFSSTART=0
           [ "$USEKERNEL" ] || USEKERNEL=uImage-3.6.9-cubox
           KERNELDEST="@BOOT@/boot/uImage"
           ;;
@@ -170,10 +181,14 @@ fi
 
 if [ "$BOOTFSTYPE" ]; then
    # FAT partition
-   sudo parted -s -a cyl -- ${DRIVE} mkpart primary $BOOTFSTYPE 1049k $BOOTFSSIZE
+   sudo parted -s -a cyl -- ${DRIVE} mkpart primary $BOOTFSTYPE $BOOTFSSTART $BOOTFSSIZE
    if [ "$?" != "0" ]; then
       echo "ERROR: parted exited with error $? while creating boot partition on ${DRIVE}; aborting."
    fi
+   sudo parted -s -- ${DRIVE} toggle 1 boot
+   if [ "$?" != "0" ]; then
+      echo "ERROR: parted exited with error $? while setting boot flag on ${DRIVE} boot partition; aborting."
+   fi
    # rootfs partition
    sudo parted -s -a cyl -- ${DRIVE} mkpart primary $SYSTEMFSTYPE $BOOTFSSIZE -1
    if [ "$?" != "0" ]; then
@@ -181,7 +196,7 @@ if [ "$BOOTFSTYPE" ]; then
    fi
 else
    # rootfs partition
-   sudo parted -s -a cyl -- ${DRIVE} mkpart primary $SYSTEMFSTYPE 1049k -1
+   sudo parted -s -a cyl -- ${DRIVE} mkpart primary $SYSTEMFSTYPE 0 -1
    if [ "$?" != "0" ]; then
       echo "ERROR: parted exited with error $? while creating system partition on ${DRIVE}; aborting."
    fi
@@ -203,7 +218,7 @@ if [ "$BOOTFSTYPE" ]; then
 fi
 
 echo "Formatting $PARTITION2 ($SYSTEMFSTYPE)..."
-mke2fs -q -t $SYSTEMFSTYPE -j -L "openmamba" $PARTITION2 || {
+mke2fs -q -F -t $SYSTEMFSTYPE -j -L "openmamba" $PARTITION2 || {
    echo "ERROR: unable to format $PARTITION2; aborting."
    exit 1
 }
@@ -260,7 +275,10 @@ fi
 
 [ $? -eq 0 ] || exit $?
 
-if [ "$TARGETDEVICE" = "rpi" ]; then
+if [ "$TARGETDEVICE" = "bpi" ]; then
+   # TODO
+   :
+elif [ "$TARGETDEVICE" = "rpi" ]; then
    # fetch and install firmware files if missing
    if [ -e $ROOTMP/boot/bootcode.bin -a -e $ROOTMP/boot/fixup_x.dat -a -e $ROOTMP/boot/start_x.elf ]; then
       for f in bootcode.bin fixup_x.dat start_x.elf; do
@@ -377,13 +395,13 @@ if [ "$ROOTPASSWORD" ]; then
    }
 fi
 
-if [ "$PRECHROOTCOMMAND" ]; then
-   PRECHROOTCOMMAND=`echo $PRECHROOTCOMMAND | sed "s|@ROOT@|$ROOTMP|g"`
+for c in `seq 1 ${#PRECHROOTCOMMANDS[*]}`; do
+   PRECHROOTCOMMAND=`echo ${PRECHROOTCOMMANDS[c-1]} | sed "s|@ROOT@|$ROOTMP|g;s|@BOOT@|$BOOTMP|g"`
    $PRECHROOTCOMMAND || {
-      echo "ERROR: error running pre-chroot command; aborting."
+      echo "ERROR: error running pre-chroot command '${PRECHROOTCOMMANDS[c-1]}'; aborting."
       exit 1
    }
-fi
+done
 
 for c in `seq 1 ${#CHROOTCOMMANDS[*]}`; do
    chroot $ROOTMP ${CHROOTCOMMANDS[c-1]} || {