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Date: Thu, 20 Mar 2014 10:20:29 +0100
From: Lothar =?UTF-8?B?V2HDn21hbm4=?= <LW@KARO-electronics.de>
To: Juergen Beisert <jbe@pengutronix.de>
Cc: linux-arm-kernel@lists.infradead.org, y@KARO-electronics.de,
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Subject: Re: [PATCH] mtd: gpmi: make blockmark swapping optional
Message-ID: <20140320102029.4327a6c0@ipc1.ka-ro>
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	<201403200933.39382.jbe@pengutronix.de>
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Hi,

Juergen Beisert wrote:
> Hi Lothar,
> 
> On Wednesday 19 March 2014 14:23:26 y@karo-electronics.de wrote:
> > With a flash-based BBT there is no reason to move the Factory Bad
> > Block Marker from the data area buffer (to where it is mapped by the
> > GPMI NAND controller) to the OOB buffer. Thus, make this feature
> > configurable via DT. This is required for the Ka-Ro electronics
> > platforms.
> > [...]
> 
> How do you create the BBT the very first time with valuable data when the NAND 
> already contains factory bad blocks?
> 
With the flashtool that does the initial flash programming.


Lothar Waßmann
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