Transclusion: CL-SOM-iMX7: Linux: Manual Installation: Install Images on SD

• Unmount all SD card partitions:

umount -l /dev/sdc*

• Clean up the on the SD card:

dd if=/dev/zero of=/dev/sdc bs=1M count=1
hdparm -z /dev/sdc

• Create two partitions for the Linux kernel (EXT2 100M) and root file system (EXT4 the rest of the disk) on the SD card:

echo -e "n\np\n1\n\n+100M\nn\np\n2\n\n\nw\neof\n" | fdisk /dev/sdc

• Format the first partition with EXT2 file system:

mkfs.ext2 -L boot /dev/sdc1

• Format the second partition with EXT4 file system:

mkfs.ext4 -L rootfs /dev/sdc2

• Mount both partitions:

mkdir -p /media/boot && mount /dev/sdc1 /media/boot
mkdir -p /media/rootfs && mount /dev/sdc2 /media/rootfs

• Copy zImage and imx7d-*imx7.dtb to the first (EXT2) partition:

cp /path/to/cl-som-imx7-linux/images/zImage /path/to/cl-som-imx7-linux/images/imx7d-*.dtb /media/boot && sync

• Extract the content of rootfs.tar.bz2 onto the second partition:

tar --numeric-owner -xpf /path/to/cl-som-imx7-linux/images/rootfs.tar.bz2 -C /media/rootfs && sync

• Unmount both partitions:

umount /media/boot
umount /media/rootfs

• Eject the SD card

eject /dev/sdc

• Remove the SD card from the SD card reader