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From: Steven Scholz <steven.scholz@imc-berlin.de>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] Bug in AT91RM9200: icache not enabled!
Date: Sun, 13 Mar 2005 17:00:29 +0100	[thread overview]
Message-ID: <4234639D.9090607@imc-berlin.de> (raw)
In-Reply-To: <20050313151724.99D12C1510@atlas.denx.de>

Hi,

>>while finding out why the loading of my FPGA takes so long with the latest CVS 
>>version of U-Boot I noticed that the icache for the AT91RM9200 is not enabled 
>>although icache_enable() is called in cpu/at91rm9200/start.S:

>>Please comment on this. I am willing to sent appropriate patches.
> 
> Please send a patch so I can test how it works.

* Patch by Steven Scholz, 13 March 2005:
   fix cache enabling for AT91RM9200


Please remove the line

	orr     r0, r0, #0x00000004     @ set bit 3 (C) D-Cache

if we don't need the data cache for the AT91RM9200. I am not sure if they will 
help for CRCs or unzipping...

-- 
Steven
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       reply	other threads:[~2005-03-13 16:00 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20050313151724.99D12C1510@atlas.denx.de>
2005-03-13 16:00 ` Steven Scholz [this message]
2005-03-13 18:39   ` [U-Boot-Users] Bug in AT91RM9200: icache not enabled! Wolfgang Denk
2005-03-14  8:23     ` Steven Scholz
2005-03-30  7:19 Paugam Luc
2005-03-30  8:56 ` Wolfgang Denk
  -- strict thread matches above, loose matches on Subject: below --
2005-03-13 14:03 Steven Scholz
2005-03-13 15:40 ` Steven Scholz

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