2.6 4xx GPIO OCP driver?

Ralph Siemsen rsiemsen at rossvideo.com
Sat Feb 26 08:19:41 EST 2005

Matt Porter wrote:

> I didn't bother merging it upstream at one time. It wasn't clear
> if the driver had any value over just mmaping /dev/mem to bang
> on the couple gpio registers directly. [...]

Will that work on the 440 where the devices sit above 4GB mark?  Or must 
one rely on there being an existing TLB mapping to bring them into 
32-bit space?


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