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Discussion Groups | TMS320C6x | Host PCI Communication in Linux

Technical discussions about the TI C6000 DSPs (including the c62x, c64x and c67x DSPs).

  

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Host PCI Communication in Linux - davidatran71 - Feb 14 9:41:44 2007



I am new to Linux PCI. I have a simple DSP program that put out some 
data into the PCI bus, but I don't know how to read it back from the 
Linux side without have to write driver which I don't know either.  
Could someone help?  Could someone point me to a right location to seek 
help on this?  If possible, could someone also send some sample linux 
pci code?  I like to be able to write to the TMS320C6416T board from 
the Host running Linux.

Thanks very much in advance.

David



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Re: Host PCI Communication in Linux - gagan singh - Feb 15 12:19:51 2007

I do remeber doing simlar kind of stuff on windows
mac. The available TI DSP eval board/ card must be
having PCI interface. Connect the same on desktop PC.

IN mine case I use WDM driver interface to write data
spefic PCI address. YOu should able to use the linux
OS based such interface to write data on PCI bus.

At the same time the eval board of DSP have been
conected as slave on PCi bus I beleive . Your driver
should able to read that data on PCI bus. Using bdm/
jtag interface with CCS IDE on another PC you should
able to see on the memery that actually what is read
by your dirver is what you intend to write

--- davidatran71 <d...@yahoo.com> wrote:

> I am new to Linux PCI. I have a simple DSP program
> that put out some 
> data into the PCI bus, but I don't know how to read
> it back from the 
> Linux side without have to write driver which I
> don't know either.  
> Could someone help?  Could someone point me to a
> right location to seek 
> help on this?  If possible, could someone also send
> some sample linux 
> pci code?  I like to be able to write to the
> TMS320C6416T board from 
> the Host running Linux.
> 
> Thanks very much in advance.
> 
> David
>

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