Configure IP address on EA board
From Klaus' wiki
If you permanently want to change the IP address of your board change the ifconfig line in this file
Add route applet in make menuconfig found under busybox.
Change the lines below, replacing 'x' with your unique number.
#ifconfig lo 127.0.0.1 ifconfig eth0 10.2.2.x netmask 255.255.255.0 up route add default gw 10.2.2.1
Build and load to board.