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CF bus physical address

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nghia

36 Posts

Posted - 10 Dec 2010 : 15:17:21

Hi,

Our product is running on the Bitsy Plus system and we use the CF external bus PCBA0-10 / PCBD0-16 on J9 connector to access to our hardware register.

The SA-1111 companion chip is used as IO manager on Bitsy Plus and but the BitsyXb uses the single chip computer processor PXA270 to manager the CF I/O.
We want convert our product to run with BitsyXB.

How do we access(read/write) to the CF I/O port on the BitsyXb ?
What is the physical IO address of CF bus so that I can map to the logical address to access to our hardware?

If you have any sample or utility code to show how to access the CF bus is helpful.

Thanks,

Nghia.

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