- Yocto Setup TFTP/NFS

Running Yocto rootfs on Variscite board using TFTP & NFS

Host

Make sure you installed NFS server:

$ sudo apt-get install nfs-kernel-server
$ cd 
$ sudo mkdir rootfs
$ cd rootfs
$ sudo tar xvf  ..//tmp/deploy/images//fsl-image-gui-.tar.gz

$ sudo gedit /etc/exports

Add the following line (change <uname> to the name of user):

/rootfs    *(rw,sync,no_root_squash,no_all_squash,no_subtree_check)

exit & save

$ sudo /etc/init.d/nfs-kernel-server restart

Make sure you installed TFTP server:

$ sudo apt-get install xinetd tftpd tftp

Verify the following:

$ ls /usr/sbin/in.tftpd
$ sudo gedit /etc/xinetd.d/tftp
service tftp
{
	protocol = udp
	port = 69
	socket_type = dgram
	wait = yes
	user = nobody
	server = /usr/sbin/in.tftpd
	server_args = /tftpboot
	disable = no
}

and run:

$ sudo mkdir /tftpboot
$ sudo chmod -R 777 /tftpboot
$ sudo /etc/init.d/xinetd restart
$ cd //
$ cp tmp/deploy/images// /tftpboot
$ for f in tmp/deploy/images/*.dtb; do if [[ -L $f ]] && [[ $f != *.dtb ]]; then sudo cp $f /tftpboot; fi done
$ sudo rename 's/-//' /tftpboot/-*.dtb

Target

Make sure you have a serial connection to the target.

Reset and hold the space bar. This will bring you to U-Boot command line.

$ setenv serverip 192.168.1.188
$ setenv nfsroot /rootfs (change <uname> to the name of user)
$ setenv bootcmd run netboot
$ saveenv

You are all set. Connect Ethernet cable, power cycle the and it should boot over NFS.