Beginner's tutorial step 2

At this stage, you should have something looking like that (IP addresses may change):

Serial Terminal configuration

You will need a Serial terminal emulator to communicate with U-Boot/Linux console. You can choose between:

• Kermit
• Minicom
• GTKTerm
• Screen
• Microcom
• Nanocom

We suggest you to use Kermit as Terminal emulator. Minicom was sadly reported to have problems when communicating with U-Boot (ZModem data transfer). If you just need a simple serial console and not to transfer data through the serial link, then GTKTerm is the perfect choice ! (gtkterm package in Ubuntu)

Note: Your terminal should now be configured with: 115200 bauds 8N1 parameters

TFTP server

In order to send your image files (U-Boot, Linux, rootfs or FPGA's firmware) at higher speed (than serial port) to your Armadeus board, you can use the Ethernet link and a TFTP server. Once the server configured, the files located in the server shared directory (/tftpboot by default) will be accessible from the U-Boot/Linux TFTP clients.

TFTP server installation

Install packages

* On *Ubuntu / Debian: $ sudo apt-get install tftpd xinetd or use your preferred graphical package manager

* On Fedora: $ rpm -q tftpd xinetd

* On OpenSUSE 11.3: sudo zypper install tftp yast2-tftp-server sudo yast2 tftp-server Choose Enable to start the TFTP server. It might be required to open the TFTP port in your firewall. For more details see: YaST TFTP Server on OpenSUSE site

Create server's directory

• Then create the directory (/tftpboot/) that will contain all the files that the server will export:

$ sudo mkdir /tftpboot
$ sudo chmod 777 /tftpboot

Server configuration

• As root user edit or create the /etc/xinetd.d/tftp configuration file and modify/add it the following lines:

# default: off
# description: The tftp server serves files using the trivial file transfer
#       protocol.  The tftp protocol is often used to boot diskless
#       workstations, download configuration files to network-aware printers,
#       and to start the installation process for some operating systems.
service tftp
{
       socket_type             = dgram
       protocol                = udp
       wait                    = yes
       user                    = root
       server                  = /usr/sbin/in.tftpd
       server_args             = -s /tftpboot
#       disable                 = yes
}

• Restart xinetd service:

$ sudo killall -HUP xinetd

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