Configure EA2478 Board
From Klaus' wiki
These are a few of the configurations that is possible on the Embedded Artists EA 2478 board.
Microwin
ssh daemon
dropbear is a drop-in lightweight alternative to the full shh-daemon.
In make menuconfig Network Applications check the dropbear choice.
Set your network address at boot
In uClinux-dist/vendors/EmbeddedArtists/rc you can near the bottom set your preferred network address. Find a line looking like this:
ifconfig eth0 192.168.5.233 up
Change the IP address to suit your need and rebuild.