Hi, you could use the following command to write OS into EMMC. Hope it could help you.
#!/bin/bash
if [ "$(id -u)" != "0" ]; then
echo "Script must be run as root !"
exit 0
fi
echo ""
date
echo -e "\033[36m==============================="
echo "Installing Linux system to emmc"
echo -e "===============================\033[37m"
setterm -default
echo ""
_format=${1}
fatsize=64
sdcard="/dev/mmcblk1"
odir="/tmp/_extdir"
bootdir="/tmp/_fatdir"
if [ ! -b ${sdcard}boot0 ]; then
echo "Error: EMMC not found."
exit 1
fi
if [ ! -f /boot/boot0_OPI.fex ]; then
echo "Error: boot0_OPI.fex not found."
exit 1
fi
if [ ! -f /boot/u-boot_OPI-emmc.fex ]; then
echo "Error: u-boot_OPI-emmc.fex not found."
exit 1
fi
umount ${sdcard}* > /dev/null 2>&1
#----------------------------------------------------------
echo ""
echo -n "WARNING: EMMC WILL BE ERASED !, Continue (y/N)? "
read -n 1 ANSWER
if [ ! "${ANSWER}" = "y" ] ; then
echo "."
echo "Canceled.."
exit 0
fi
echo ""
#----------------------------------------------------------
echo "Erasing EMMC ..."
dd if=/dev/zero of=${sdcard} bs=1M count=32 > /dev/null 2>&1
sync
sleep 1
echo "Creating new filesystem on EMMC ..."
echo -e "o\nw" | fdisk ${sdcard} > /dev/null 2>&1
sync
echo " New filesystem created on $sdcard."
sleep 1
partprobe -s ${sdcard} > /dev/null 2>&1
if [ $? -ne 0 ]; then
echo "ERROR."
exit 1
fi
sleep 1
echo "Partitioning EMMC ..."
sfat=40960
efat=$(( $fatsize * 1024 * 1024 / 512 + $sfat - 1))
echo " Creating boot & linux partitions"
sext4=$(( $efat + 1))
eext4=""
echo -e "n\np\n1\n$sfat\n$efat\nn\np\n2\n$sext4\n$eext4\nt\n1\nb\nt\n2\n83\nw" | fdisk ${sdcard} > /dev/null 2>&1
echo " OK."
sync
sleep 2
partprobe -s ${sdcard} > /dev/null 2>&1
if [ $? -ne 0 ]; then
echo "ERROR."
exit 1
fi
sleep 1
echo "Formating fat partition ..."
dd if=/dev/zero of=${sdcard}p1 bs=1M count=1 oflag=direct > /dev/null 2>&1
sync
sleep 1
mkfs.vfat -n EMMCBOOT ${sdcard}p1 > /dev/null 2>&1
if [ $? -ne 0 ]; then
echo " ERROR formating fat partition."
exit 1
fi
echo " fat partition formated."
dd if=/dev/zero of=${sdcard}p2 bs=1M count=1 oflag=direct > /dev/null 2>&1
sync
sleep 1
if [ "${_format}" = "btrfs" ] ; then
echo "Formating linux partition (btrfs), please wait ..."
# format as btrfs
mkfs.btrfs -O ^extref,^skinny-metadata -f -L emmclinux ${sdcard}p2 > /dev/null 2>&1
if [ $? -ne 0 ]; then
echo "ERROR formating btrfs partition."
exit 1
fi
else
echo "Formating linux partition (ext4), please wait ..."
mkfs.ext4 -L emmclinux ${sdcard}p2 > /dev/null 2>&1
if [ $? -ne 0 ]; then
echo "ERROR formating ext4 partition."
exit 1
fi
fi
echo " linux partition formated."
#************************************************************************
echo ""
echo "Instaling u-boot to EMMC ..."
dd if=/boot/boot0_OPI.fex of=${sdcard} bs=1k seek=8 > /dev/null 2>&1
if [ $? -ne 0 ]; then
echo "ERROR installing u-boot."
exit 1
fi
dd if=/boot/u-boot_OPI-emmc.fex of=${sdcard} bs=1k seek=16400 > /dev/null 2>&1
if [ $? -ne 0 ]; then
echo "ERROR installing u-boot."
exit 0
fi
sync
#************************************************************************
# -------------------------------------------------------------------
if [ ! -d $bootdir ]; then
mkdir -p $bootdir
fi
rm $bootdir/* > /dev/null 2>&1
sync
umount $bootdir > /dev/null 2>&1
if [ ! -d $odir ]; then
mkdir -p $odir
fi
rm -rf $odir/* > /dev/null 2>&1
sync
umount $odir > /dev/null 2>&1
sleep 1
# ================
# MOUNT PARTITIONS
# ================
if [ "${_format}" = "btrfs" ] ; then
_mntopt="-o compress-force=lzo"
else
_mntopt=""
fi
echo ""
echo "Mounting EMMC partitions..."
if ! mount ${sdcard}p1 $bootdir; then
echo "ERROR mounting fat partitions..."
exit 1
fi
if ! mount ${_mntopt} ${sdcard}p2 $odir; then
echo "ERROR mounting linux partitions..."
umount $bootdir
exit 1
fi
echo "FAT partitions mounted to $bootdir"
echo "linux partition mounted to $odir"
#-----------------------------------------------------------------------------------------------
echo ""
echo "Copying file system to EMMC ..."
echo ""
#-----------------------------------------------------------------------------------------
rsync -r -t -p -o -g -x --delete -l -H -D --numeric-ids -s --stats / $odir/ > /dev/null 2>&1
if [ $? -ne 0 ]; then
echo " ERROR."
fi
#-----------------------------------------------------------------------------------------
sync
rm $odir/usr/local/bin/fs_resize_warning > /dev/null 2>&1
echo " Creating \"fstab\""
echo "# OrangePI fstab" > $odir/etc/fstab
if [ "${_format}" = "btrfs" ] ; then
echo "/dev/mmcblk0p2 / btrfs subvolid=0,noatime,nodiratime,compress=lzo 0 1" >> $odir/etc/fstab
else
echo "/dev/mmcblk0p2 / ext4 errors=remount-ro,noatime,nodiratime 0 1" >> $odir/etc/fstab
fi
echo "/dev/mmcblk0p1 /media/boot vfat defaults 0 0" >> $odir/etc/fstab
echo "tmpfs /tmp tmpfs nodev,nosuid,mode=1777 0 0" >> $odir/etc/fstab
sync
#-----------------------------------------------------------------------------------------
rsync -r -t -p -o -g -x --delete -l -H -D --numeric-ids -s --stats /media/boot/ $bootdir/ > /dev/null 2>&1
if [ $? -ne 0 ]; then
echo " ERROR."
fi
#-----------------------------------------------------------------------------------------
sync
# UMOUNT
if ! umount $bootdir; then
echo "ERROR unmounting fat partition."
exit 1
fi
rm -rf $bootdir/* > /dev/null 2>&1
rmdir $bootdir > /dev/null 2>&1
if ! umount $odir; then
echo "ERROR unmounting linux partitions."
exit 0
fi
rm -rf $odir/* > /dev/null 2>&1
rmdir $odir > /dev/null 2>&1
sync
echo ""
echo -e "\033[36m*******************************"
echo "Linux system installed to EMMC."
echo -e "*******************************\033[37m"
setterm -default
echo ""
exit 0
