1.Change the symbolic link to point to the busybox's getty:
<board-shell># rm /sbin/getty
<board-shell># ln -s /bin/busybox /sbin/getty
2.In board's /etc/inittab change the getty line to:
S:2345:respawn:/sbin/getty 115200 ttyO2 -n -l /bin/autologin
3. Create executable /bin/autologin script with the following content:
#!/bin/sh
exec /bin/login -f root
and reboot
