From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marek Vasut <marek.vasut@gmail.com>
Date: Mon, 12 Sep 2011 21:42:23 +0200
Subject: [U-Boot] [PATCH 5/5] NAND: Add scrub.quiet command option
In-Reply-To: <4E6E5F51.6060006@freescale.com>
References: <1315800250-19761-1-git-send-email-marek.vasut@gmail.com>
	<201109122128.48064.marek.vasut@gmail.com>
	<4E6E5F51.6060006@freescale.com>
Message-ID: <201109122142.23830.marek.vasut@gmail.com>
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To: u-boot@lists.denx.de

On Monday, September 12, 2011 09:36:49 PM Scott Wood wrote:
> On 09/12/2011 02:28 PM, Marek Vasut wrote:
> > On Monday, September 12, 2011 09:19:06 PM Scott Wood wrote:
> >> What's it doing with them?  Migrating them is something that should only
> >> happen on the first use, as there will later be data in the factory bad
> >> block area, right?  So it shouldn't be "always".  Migration should be an
> >> explicitly requested option.  Like scrub. :-)
> >> 
> >> Where is the code that does this?  Which driver?
> > 
> > The BCH accelerator does this.
> 
> In hardware?  What chip is this, and where is the code that drives this
> chip?

I think it does something to it, yes. i.MX287, see the patchset [PATCH 00/15 V2] 
Support for the DENX M28 SoM, [PATCH 09/15] iMX28: Add GPMI NAND driver .

> 
> -Scott