From mboxrd@z Thu Jan  1 00:00:00 1970
From: Steven Scholz <steven.scholz@imc-berlin.de>
Date: Wed, 24 Aug 2005 11:01:30 +0200
Subject: [U-Boot-Users] AT91RM9200 Errata (Was: CSB637 support - big bug..)
In-Reply-To: <fc.004c4e480036a6093b9aca00ff775455.36a668@rea.de>
References: <fc.004c4e480036a1573b9aca00ff775455.36a18a@rea.de> <14310.1124866768@www15.gmx.net> <fc.004c4e480036a6093b9aca00ff775455.36a668@rea.de>
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To: u-boot@lists.denx.de

Patrick,

>>This is not the main problem however,
>>
>>In the AT91RM9200 initialisation code, PMC_MCKR is written incorrectly. 
>>This register *MUST* be written in two separate steps (see the errata
>>sheet
>>for the AT91RM9200 for more details).
>>In my case i write 0x201, followed by 0x202.

How did you do that?
Do you wait some time between the first and the second write?

--
Steven