From mboxrd@z Thu Jan  1 00:00:00 1970
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>
Subject: Re: [PATCH] mtd: gpmi: make blockmark swapping optional
Message-ID: <20140320102029.4327a6c0@ipc1.ka-ro>
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Cc: Fabio Estevam <fabio.estevam@freescale.com>,
 Mark Rutland <mark.rutland@arm.com>, Russell King <linux@arm.linux.org.uk>,
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 Artem Bityutskiy <artem.bityutskiy@linux.intel.com>, y@karo-electronics.de,
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 Huang Shijie <b32955@freescale.com>, devicetree@vger.kernel.org,
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Hi,

Juergen Beisert wrote:
> Hi Lothar,
>=20
> 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.
> > [...]
>=20
> How do you create the BBT the very first time with valuable data when the=
 NAND=20
> already contains factory bad blocks?
>=20
With the flashtool that does the initial flash programming.


Lothar Wa=C3=9Fmann
--=20
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