The ARM and PowerPC bootloaders communicate with the host over a serial line at 9600 baud. The bootloader commands are issued over this serial link. The tbdev1 workstation requires a serial terminal emulation program called minicom to issue boot commands to the target boards. Here are the commands to install minicom on tbdev1:
root@tbdev1: apt-get install minicom
After minicom is installed, you need to configure minicom's serial port by following these steps:
Configure minicom by typing CTRL-a o, select "Serial port setup", and then change your settings to match these:
A - Serial Device : /dev/ttyS0 B - Lockfile Location : /var/lock C - Callin Program : D - Callout Program ...