Simplify build and use of software emulated board, using a configuration textual file.
A new firmware just uploaded via tftp at address 0x20000.
A ping from the target toward the host PC.
Change firmware resident at bottom of the flash.
Changing ip address of the board from the u-boot cl.
Run/StartSystem menu to power-up the board and u-boot
ppc405 architecture model and, in particular, jtag window.