Re: [coreboot] GPIOs on CS5536 based boards

[Daniel Mack]

On Wed, Sep 23, 2009 at 01:25:21PM -0400, Tom Sylla wrote:
> On Wed, Sep 23, 2009 at 1:10 PM, Daniel Mack  wrote:
> > Could you outline which steps would need to be taken in order to find
> > out the correct address to use? Any maybe a way to sany detect the
> > precence of that function on the board? I might go ahead and send a
> > patch for the driver then.
>
> Not really an outline; it is just one MSR read. Take a look at the
> GPIO kernel driver:
>
> http://lxr.linux.no/#linux+v2.6.31/drivers/char/cs5535_gpio.c#L188

One attempt to do that I just sumbitted to LKML:

http://lkml.org/lkml/2009/10/5/426

Works fine here - let's see what the maintainers say.

Thanks for the pointers,
Daniel