Linux Device Drivers for custom PCI cards

Linux Device Drivers for custom PCI cards

Post by Crai » Wed, 14 Apr 2004 05:01:48



Looking for a Linux device driver tool to make drivers for custom PCI cards.

I heard that Univ. of Indiana had written code for a universal PCI driver,
but I have not been able to find it.

Any help would be appreciated.

Thanks,
Craig

 
 
 

Linux Device Drivers for custom PCI cards

Post by Lea Gri » Thu, 15 Apr 2004 00:30:07



> Looking for a Linux device driver tool to make drivers for custom PCI
> cards.

> I heard that Univ. of Indiana had written code for a universal PCI driver,
> but I have not been able to find it.

> Any help would be appreciated.

Some places to look at:
<http://www.oreilly.com/catalog/linuxdrive/>
<http://en.tldp.org/LDP/khg/HyperNews/get/khg.html>
<http://en.tldp.org/LDP/khg/HyperNews/get/devices/devices.html>

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1. Support for custom designed PCI/PLX9080 card in Linux

Hi All,

I need to add Linux support for custom designed PCI card. The card
contains the PLX9080 PCI bridge, controlling the card's local bus in
J mode.
What I need is the access to the memory and I/O registers connected to the
local bus of the card. The possibility of DMA transfers would be also
appreciated.

However the PLX9080 belongs to the unfamous (because of closed specs) I2O
devices.

So my questions are:
1) Is it possible to support the required functions basing on freely
available
   info?
2) What functionalities are assured by the Linux PCI driver itself?
   Does it perform the mapping of the PCI card local bus to the CPU's
   memory or I/O address space?
3) Can the required functions be implemented in the "user mode" driver, or
   is it necessary to write the kernel module?

Please Cc the answers to my e-mail.
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