Revision as of 10:03, 18 December 2014

Flash From Network Yocto system

Flashing a complete Yocto system from Network using tftp & nfs

Build mininal file system

$ gedit ../sources/poky/meta/recipes-core/images/core-image-minimal-mtdutils.bb

Set the image to include: IMAGE_INSTALL += "mtd-utils imx-kobs mtd-utils-ubifs" Build the system:

Target

make sure you have a serial connection to the target.

reset and hold the space bar. This will brink you to u-boot prompt

$ setenv serverip 192.168.1.188
$ setenv ethaddr a8:cc:3d:d9:b8:f5
$ setenv kernel uImage
$ setenv nfsroot /home/<uname>/fsl-community-bsp/rootfs
$ setenv bootcmd run bootcmd_net
$ saveenv

You are all set. Pushing reset on the VAR-SOM-MX6 board will run your Yocto result file system.

@@ Line 4: / Line 4: @@
 = Flashing a complete Yocto system from Network using tftp &amp; nfs  =
-== Host  ==
+== Build mininal file system==
-Make sure you installed NFS server:
+<pre>$ gedit ../sources/poky/meta/recipes-core/images/core-image-minimal-mtdutils.bb
-<pre>$ sudo apt-get install nfs-kernel-server
+</pre>
-$ cd ~/var-som-mx6-dora-v3
+Set the image to include:
-$ sudo mkdir rootfs
+IMAGE_INSTALL += "mtd-utils imx-kobs mtd-utils-ubifs"
-$ cd rootfs
+Build the system:
-$ sudo tar xvf ../build_mx6q/tmp/deploy/images/vafsl-image-gui-varsommx6q.tar.bz2 </pre><pre>$ sudo gedit /etc/exports </pre>
+<pre>$
-add:
+</pre>
-/home/&lt;uname&gt;/var-som-mx6-dora-v3/rootfs *(rw,sync,no_root_squash,no_all_squash,no_subtree_check)
-exit &amp; save
-<pre>$ sudo /etc/init.d/nfs-kernel-server restart</pre>
-Make sure you installed TFTP server:
-<pre>$ sudo apt-get install xinetd tftpd tftp
-Verify:
-$ 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
-}
-$ sudo mkdir /tftpboot
-$ sudo chmod -R 777 /tftpboot
-$ sudo /etc/init.d/xinetd restart
-$ cp ~/var-som-mx6-dora/buildmx6q/tmp/deploy/images/varsommx6q/uImage /tftpboot</pre>
 == Target  ==

VAR-SOM-MX6 Yocto Flash From Net: Difference between revisions

Revision as of 10:03, 18 December 2014

Contents

Flashing a complete Yocto system from Network using tftp & nfs

Build mininal file system

Target