linux-kernel - Re: Bitbanging i2c bus driver using the GPIO API

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Message-ID: <20070422234141.GA11045@cosmic.amd.com>
Date:	Sun, 22 Apr 2007 17:41:41 -0600
From:	"Jordan Crouse" <jordan.crouse@....com>
To:	lsorense@...lub.uwaterloo.ca
cc:	"Jean Delvare" <khali@...ux-fr.org>,
	"Haavard Skinnemoen" <hskinnemoen@...el.com>,
	"David Brownell" <david-b@...bell.net>,
	"Bryan Wu" <bryan.wu@...log.com>,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	"Deepak Saxena" <dsaxena@...xity.net>,
	linux-kernel@...r.kernel.org,
	"Christer Weinigel" <wingel@...o-system.com>
Subject: Re: Bitbanging i2c bus driver using the GPIO API

On 22/04/07 11:41 -0400, lsorense@...lub.uwaterloo.ca wrote:
> scx200_acb doesn't detect any device that it can drive (nothing in dmesg
> at all when loaded) on the sc1200.  I believe the main changes that
> happened to scx200_acb was adding support for the newer CSxxxx chipsets,
> such as the one used with the geode LX (which does work now).

That ISA detection is almost definately suffering from severe bit rot.
Once you get past that though, you should be fine - the silicon behind
the ACB hasn't changed since the MediaGX days.

Jordan

-- 
Jordan Crouse
Senior Linux Engineer
Advanced Micro Devices, Inc.
<www.amd.com/embeddedprocessors>


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