Re: 2.6 4xx GPIO OCP driver?
From: Ralph Siemsen <hidden>
Date: 2005-02-25 21:31:51
Possibly related (same subject, not in this thread)
- 2005-02-26 · Re: 2.6 4xx GPIO OCP driver? · Travis B. Sawyer <hidden>
- 2005-02-26 · Re: 2.6 4xx GPIO OCP driver? · Travis Sawyer <hidden>
- 2005-02-26 · Re: 2.6 4xx GPIO OCP driver? · Matt Porter <mporter@kernel.crashing.org>
- 2005-02-25 · Re: 2.6 4xx GPIO OCP driver? · Travis B. Sawyer <hidden>
- 2005-02-25 · RE: 2.6 4xx GPIO OCP driver? · Steven Blakeslee <hidden>
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? -Ralph