embedded design prototyping

Hi all, Iam trying to develop an embedded mp3 player. I compiled...and installed in linux(FC4) + pentium platform. Now I want to prototype in xilinx development board. There are doubts like,

1)How can I estimate the processing power, fpu, memory, clock frequency, RTOS, cache requirements, like whether they are required or not, if so, how much.

2)Im thinking to use the leon processor (open source) instead of power pc (hardcore) in the xilinx chip. If I port my own processor in xilinx, could I be able to use the resources like ethernet transciever, audio codec etc which are built in the board, connected to power pc processor (like the software, device driver everything is designed with a view of power PC.)

3)In the development boards, there is a flash prom for storing configurations is available. Is it possible to use it as a place for storing my boot code portion so that I can download the image from pc and put it in RAM and run from the same.

soft processor: leon chip : xc2vp30 (xilinx virtex-II pro development system

Guide me in those areas, where I want to learn & work, Prakash

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Well, you need some schematic on how the external devices are conneced. Then you'd need a manual on these devices. The source for their drivers would help, otherwise you'd have to think a bit harder.

Usually, I'd expect that.


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Rene Tschaggelar

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