[Soekris] 4801 GPIO

Steven Finnegan sjf at ctrlsft.com
Tue Mar 20 17:59:43 UTC 2007


Sorry, This patch applies to FreeBSD Version 6.2

sjf

On Mar 20, 2007, at 12:26 , Åke Nordin XX (KI/EAB) wrote:

>
>> -----Original Message-----
>> From: soekris-tech-bounces at lists.soekris.com
>> [mailto:soekris-tech-bounces at lists.soekris.com] On Behalf Of
>> Steven Finnegan
>  . . .
>> Well, I was successful, after much work, in using the GPIO outputs.
>> It was NOT as simple as expanding on the error-led. The error-led
>> uses the CPU's gpio line, whereas the "GPIO output pins" use the
>> SuperIO chip's (PC87366) GPIO. So I had to figure out how to talk to
>> that device.
>>
>> I have attached a patch file that will modify the geode.c file to
>> create gpio lines in the /dev/led directory.  Hope this helps
>
> Excuse me for being less well informed, but unless this should
> stand as an excercise for every interested reader in searching
> the archives, which OS/kernel (version) does this apply to?
>
> -- 
>   .
>  /Ake Nordin      ake.xx.nordin at ericsson.com   [{+46|0}8]4045306
>  KI/EAB/GTO/IB  Unix, Network, Lab support   ECN:  850 45306
>  KI3203355, Ericsson, 164 80 Kista, Sweden
>




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Steven Finnegan
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Email: sjf at ctrlsft.com
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