In message 20060912132058.GB31470@gundam.enneenne.com you wrote:
Great! But let me understand, you added CDC into g_serial or what? I'm a bit confused... Did you transfer the file through something similar to a serial line or similar to an ethernet?
Right. U-Boot represents to the outside world as a serial adapter.
As first step this is my target. However I need RNDIS also. Do you think adding it could be "easy" at this point of developing?
Easy? You must be joking.
To be honest: I think you make a fundamental mistake - U-Boot is not an general purpose OS, it is a boot loader. For requirements like yours it is usually *much* easier and faster (both in terms of development and reachable performance) to boot a small, dedicated Linux kernelk and use a real OS.
Best regards,
Wolfgang Denk