From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dieter Kiermaier <dk-arm-linux@gmx.de>
Date: Wed, 22 Jul 2009 08:33:06 +0200
Subject: [U-Boot] cp.b command not working for copy to flash
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References: <24600612.post@talk.nabble.com>
Message-ID: <200907220833.07096.dk-arm-linux@gmx.de>
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To: u-boot@lists.denx.de

Hi Nirav,
> 
> I am trying cp.b 22000000 10100000 180000 (i.e. copy from RAM to FLASH)
> Its showing me message flash can't Erase.
> 
> But when i tried cp.b 10100000 22000000 180000 its working. (i.e. copy from
> FLASH to RAM)
> Can please anybody tell me what's going wrong??

Maybe you have to unprotect your flash first?

Dieter