mk-emmc-fusing.sh
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#!/bin/bash
C_NC='\033[0m'
C_LRED='\033[1;31m'
EMMC_DEV_PATH="/dev/mmcblk3"
SD_DEV_PATH="/dev/mmcblk2"
PART1=p1
PART2=p2
PART3=p3
PART4=p4
FNAME_UBOOT="u-boot.imx"
FNAME_LOGO="init.bmp"
FNAME_DTB="imx6s-prime-oven.dtb"
FNAME_KERNEL="uImage"
FNAME_FSCPIO="ramdisk-prime_oven.uboot"
FNAME_RFS="rootfs.tar"
SD_MOUNT_PATH_P1="/tmp/mmcblk2p1"
EMMC_MOUNT_PATH_P1="/tmp/mmcblk3p1"
EMMC_MOUNT_PATH_P2="/tmp/mmcblk3p2"
function Init_Unmount()
{
echo ""
echo -e "${C_LRED}### UnMount - Init_Unmount() ### ${C_NC}"
echo ""
umount ${EMMC_DEV_PATH}${PART1}
umount ${EMMC_DEV_PATH}${PART2}
umount ${EMMC_DEV_PATH}${PART3}
umount ${EMMC_DEV_PATH}${PART4}
umount ${SD_DEV_PATH}${PART1}
umount ${SD_DEV_PATH}${PART2}
}
function create_partition()
{
echo ""
echo -e "${C_LRED}### Fdisk Create Partition - create_partition() ###${C_NC}"
echo ""
fdisk ${EMMC_DEV_PATH} << EOF
o
n
p
1
4096
8191
n
p
2
8192
16383
n
p
3
16384
32767
n
p
32768
p
w
EOF
}
function run_format()
{
echo ""
echo -e "${C_LRED}### Format eMMC - run_format() ###${C_NC}"
echo ""
mkfs.ext3 -F ${EMMC_DEV_PATH}${PART1} -L BOOT0
mkfs.ext4 -j -F ${EMMC_DEV_PATH}${PART2} -L SYSTEM
mkfs.ext4 -j -F ${EMMC_DEV_PATH}${PART3} -L FALINUX
mkfs.ext4 -j -F ${EMMC_DEV_PATH}${PART4} -L PRIME
}
function run_mount()
{
echo ""
echo -e "${C_LRED}### Mount SD/eMMC - run_mount() ###${C_NC}"
echo ""
if [ ! -d ${SD_MOUNT_PATH_P1} ]; then
mkdir ${SD_MOUNT_PATH_P1}
fi
if [ ! -d ${EMMC_MOUNT_PATH_P1} ]; then
mkdir ${EMMC_MOUNT_PATH_P1}
fi
if [ ! -d ${EMMC_MOUNT_PATH_P2} ]; then
mkdir ${EMMC_MOUNT_PATH_P2}
fi
mount -t ext4 ${SD_DEV_PATH}${PART1} ${SD_MOUNT_PATH_P1}
mount -t ext3 ${EMMC_DEV_PATH}${PART1} ${EMMC_MOUNT_PATH_P1}
mount -t ext4 ${EMMC_DEV_PATH}${PART2} ${EMMC_MOUNT_PATH_P2}
}
function run_copy_image()
{
echo ""
echo -e "${C_LRED}### Write SD Boot Image - run_copy_image() ###${C_NC}"
echo ""
if [ ! -d ${EMMC_MOUNT_PATH_P1}/boot ]; then
mkdir ${EMMC_MOUNT_PATH_P1}/boot
fi
cp -v ${SD_MOUNT_PATH_P1}/boot/${FNAME_UBOOT} ${EMMC_MOUNT_PATH_P1}/boot/
cp -v ${SD_MOUNT_PATH_P1}/boot/${FNAME_LOGO} ${EMMC_MOUNT_PATH_P1}/boot/
cp -v ${SD_MOUNT_PATH_P1}/boot/${FNAME_DTB} ${EMMC_MOUNT_PATH_P1}/boot/
cp -v ${SD_MOUNT_PATH_P1}/boot/${FNAME_KERNEL} ${EMMC_MOUNT_PATH_P1}/boot/
cp -v ${SD_MOUNT_PATH_P1}/boot/${FNAME_FSCPIO} ${EMMC_MOUNT_PATH_P1}/boot/
run_copy_rootfs
sleep 1
sync
}
function run_copy_rootfs()
{
echo ""
echo -e "${C_LRED}### Make MMC Filesystem ###${C_NC}"
echo ""
tar -xf ${SD_MOUNT_PATH_P1}/boot/${FNAME_RFS} -C ${EMMC_MOUNT_PATH_P2}
cp /etc/ssh/ssh_host_ed25519_key ${EMMC_MOUNT_PATH_P2}/etc/ssh/
}
function run_raw_write()
{
echo ""
echo -e "${C_LRED}### Write SD Boot Image to RAW - run_raw_write() ###${C_NC}"
echo ""
dd if=${SD_MOUNT_PATH_P1}/boot/${FNAME_UBOOT} of=${EMMC_DEV_PATH} bs=512 seek=2
dd if=${SD_MOUNT_PATH_P1}/boot/${FNAME_LOGO} of=${EMMC_DEV_PATH} bs=512 seek=2048
dd if=${SD_MOUNT_PATH_P1}/boot/${FNAME_DTB} of=${EMMC_DEV_PATH} bs=512 seek=11264
dd if=${SD_MOUNT_PATH_P1}/boot/${FNAME_KERNEL} of=${EMMC_DEV_PATH} bs=512 seek=12288
dd if=${SD_MOUNT_PATH_P1}/boot/${FNAME_FSCPIO} of=${EMMC_DEV_PATH} bs=512 seek=28672
sleep 1
sync
}
function run_umount()
{
echo ""
echo -e "${C_LRED}### UnMount - run_umount() ###${C_NC}"
echo ""
umount ${SD_MOUNT_PATH_P1}
umount ${EMMC_MOUNT_PATH_P1}
umount ${EMMC_MOUNT_PATH_P2}
}
function main()
{
echo ""
echo -e "${C_LRED}#### Start - main() ####${C_NC}"
echo ""
Init_Unmount
create_partition
run_format
run_mount
run_copy_image
run_raw_write
run_umount
}
main