Cypress c67x00 Support?

Cypress c67x00 Support?

[Robertson, Joseph M.]

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Hi,

I have some questions about the Cypress c67x00 code that was posted a few days ago.
I got the many patches from the git (thanks Grant!), but I am wondering, 

How did you guys fix up the Kconfigs to work with the Xilinx Virtex-4 fpga?

My hw guys have put the cypress chip on 'the system ace'(OPB?) bus, a 16 bit bus, and I have the address to it.

But its definetely not PCI, and if you use a plain kernel tree like I have, I cannot access any features without turning on the PCI options.  Which of course fails, since I have no PCI parameters to feed the code.

Perhaps a better question is: Is this code intended for the Virtex-4?
If no, then I will have to fix it up.


Thanks,

Joe Robertson
Joseph.Robertson@sanmina-sci.com


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Re: Cypress c67x00 Support?

[Grant Likely]

On 7/17/07, Robertson, Joseph M. <joseph.robertson@sanmina-sci.com> wrote:
>
>
>
> Hi,
>
>  I have some questions about the Cypress c67x00 code that was posted a few
> days ago.
>  I got the many patches from the git (thanks Grant!), but I am wondering,
>
>  How did you guys fix up the Kconfigs to work with the Xilinx Virtex-4 fpga?

You need to register the device on the platform bus.  Look at
arch/ppc/syslib/virtex_devices.c and
arch/ppc/platforms/4xx/xparameters/xparameters.h.  You need to fixup
your xparameters file to match up with the c67x00 registration in
virtex_devices.c. (hint: look at the XPAR_C67x00_USB macro)

Cheers,
g.

-- 
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.
grant.likely@secretlab.ca
(403) 399-0195