823 ports access question

[Wolfgang Denk]

In message <Pine.LNX.3.96.1000828071718.5707A-100000 at wopr.nrl.navy.mil> you wrote:
>
> Sorry to write another simplistic question; hopefully
> there is a simplistic answer as well:

There is :-)

> PPC ports.  For example, the Bright Star
> ipEngine I have has LEDs connected to the LCD ports
> from the PowerPC.  I'm looking for the right
> sequence to actually write to these ports and
> get these LEDs to turn on and off.
>
> I've looked in 8xx_immap.h and I start to see
> what I need to make this work (im_lcd), but I'm missing
> the bigger picture.  Anyone have any example
> code for anything like this?

See the tqm_led demo driver code under
http://www.denx.de/solutions-en.html#drivers

Wolfgang Denk

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Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
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