Tech Support > Computer Hardware > Microprocessors > Implementing a third generation bus
Implementing a third generation bus
Posted by Sonia on October 31st, 2003


Hello everybody,
we are designing an architecture with the PXA250 processor and we
would like to include any of the new bus architectures (such as
RapidIO, HyperTransport, Infiniband, StarFabric or PCI Express)not as
bus system but as external interconnect. Does somebody know if there
is any driver for Linux or Windows CE?
Any help would be appreciated.
Thanks
Sonia

Posted by K_Lee on November 1st, 2003


son_mar10@hotmail.com (Sonia) wrote in message news:<b50beae7.0310302347.7565e5b8@posting.google. com>...
Interesting, PXA250 is a low power CPU. Why do you need to a
hyperformance bus connect to it?

I would think USB talk to such CPU should be good enough.



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Posted by Lewin A.R.W. Edwards on November 2nd, 2003


Apart from the OP's actual reasons: because quite frequently peripherals are
available ONLY in "high performance" bus versions. For instance, if you want
to drive an UXGA LCD directly from a PXA250, your only route is to use a
laptop LCD controller, and they are only available in PCI variants.



Posted by Sonia on November 3rd, 2003


We'd like the platform to have an interface with any of the new third
generation architectures, in order to research. We're thinking of
adding PCI and a bridge PCI - 3GIO, but this seems not very efficient.
Sonia


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