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Re: MIPS Malta and PCNet32 Driver

To: "Maciej W. Rozycki" <macro@linux-mips.org>
Subject: Re: MIPS Malta and PCNet32 Driver
From: "Kevin D. Kissell" <kevink@paralogos.com>
Date: Sat, 08 Jan 2011 15:23:26 -0800
Cc: Linux MIPS org <linux-mips@linux-mips.org>, tsbogend@alpha.franken.de
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On 1/8/2011 3:07 PM, Maciej W. Rozycki wrote:
> On Sat, 8 Jan 2011, Kevin D. Kissell wrote:
>
>> and, amusingly, from a stock 2.6.32.27 kernel that exhibits the problem,
>> I plugged in a PCI NIC and *both* interfaces came up happy.  :o/   One
>> might suspect that PCNet32 now assumes some level of initialization that
>> isn't being done in the platform code, and lucks out if a more
>> thoroughly paranoid driver gets loaded first.
>  Are you seeing the problem with a system controller other than the 
> Bonito?  That would be somewhat alarming, though easier to fix.
>
>  With the Bonito I'd have assumed it was some low-level PCI code rewrite 
> -- that seem to keep happening over and over again -- that missed a bit in 
> the Bonito driver or the driver altogether.  With the Bonito core cards 
> limited to the MIPS 20Kc core and some exotic (for the Malta) QED CPU 
> options that would be no surprise at all to me.
I don't think it's a "classic" Bonito, YAMON calls out:

MIPS SOC-it 101 OCP / 1.3   SDR-FW-1:1

            Regards,

            Kevin K.


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