Re: AT91 kernel programming documentation ?

[Robert Schwebel <r.schwebel@pengutronix.de>]

On Wed, Jul 30, 2008 at 03:53:19PM +0200, Stefan Schoenleitner wrote:
> I'm looking for some good documentation concerning AT91 Linux kernel
> development. Currently I have a Olimex AT91SAM9260 development board
> which is supported by the at91 patch set.

The base functionality is supported in the Linux mainline.

> Now I would like to add different hardware to the board and write some
> kernel code for it.

What kind of hardware?

> Unfortunately, there doesn't seem to be a lot of documentation. At
> the moment I'm reading mach-at91 related source code and trying to
> find out how things work.

I assume you've already bought a copy of the Rubini Device Driver book?

> Specificly, I would like to know how the different SoC devices can be
> accessed and used, how I can do port multiplexing, how I can tell the
> kernel which hardware is attached to where and so on.

Check arch/arm/mach-at91/*. It very much depends on what you want to do.
Documentation/drivermodel/ might also be worth a look.

rsc
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