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RE: Problems booting Linux 2.6.18.1 on MIPS34K core

To: "'Ralf Baechle'" <ralf@linux-mips.org>
Subject: RE: Problems booting Linux 2.6.18.1 on MIPS34K core
From: Trevor Hamm <Trevor_Hamm@pmc-sierra.com>
Date: Wed, 8 Nov 2006 11:51:08 -0800
Cc: "'Atsushi Nemoto'" <anemo@mba.ocn.ne.jp>, linux-mips@linux-mips.org
Original-recipient: rfc822;linux-mips@linux-mips.org
Sender: linux-mips-bounce@linux-mips.org
 

> -----Original Message-----
> From: Ralf Baechle [mailto:ralf@linux-mips.org] 
> Sent: Wednesday, November 08, 2006 1:24 PM
> To: Trevor Hamm
> Cc: 'Atsushi Nemoto'; linux-mips@linux-mips.org
> Subject: Re: Problems booting Linux 2.6.18.1 on MIPS34K core
> 
> On Wed, Nov 08, 2006 at 11:09:37AM -0800, Trevor Hamm wrote:
> 
> > So just for fun, I built a linux image to use a 
> write-through caching policy, and it boots from power-up every time.
> > 
> > With this information, I would conclude the problem is due 
> to cache management, either in the way we're initializing the 
> cache, or something else in the squashfs code.  Or is there 
> another explanation that I'm overlooking?
> 
> Does your processor have cache aliases?
> 
>   Ralf
> 

Yes, we've got 64kB, 4-way caches using 4kB page size.

Trevor

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