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From: Anton Yuzhaninov <citrin@citrin.ru>
Subject: Re: GPIO on FreeBSD 9.1
Date: Wed, 15 May 2013 17:02:53 +0000 (UTC)
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On Thu, 07 Feb 2013 13:03:41, Alberto Mijares wrote:
AM> I have a net4801 Soekris board. It has 12-pin GPIO interface.
AM> 
AM> GENERIC kernel doesn't show any /dev/gpio* device. I tried including
AM> 
AM> device gpio
AM> 
AM> and I see the module with
AM> 
AM> # kldstat -v | grep gpio
AM> 
AM> but still no /dev/gpio* device.
AM> 
AM> Could anyone point me to the steps to follow in order to enable such
AM> interface? And taking the opportunity for a second shot, any
AM> recommendation for a Perl module to work with?

Try to add
options         CPU_GEODE
to kernel config

I don't have eny experience with Soekris, but /sys/i386/conf/NOTES
said:
CPU_GEODE is for the SC1100 Geode embedded processor

And net4801 specification said about NSC SC1100 single chip processor