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From: "Lothar Waßmann" <LW@KARO-electronics.de>
To: Huang Shijie <b32955@freescale.com>
Cc: y@KARO-electronics.de, Arnd Bergmann <arnd@arndb.de>,
	Artem Bityutskiy <artem.bityutskiy@linux.intel.com>,
	Brian Norris <computersforpeace@gmail.com>,
	David Woodhouse <dwmw2@infradead.org>,
	Fabio Estevam <fabio.estevam@freescale.com>,
	Ian Campbell <ijc+devicetree@hellion.org.uk>,
	Kumar Gala <galak@codeaurora.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Pawel Moll <pawel.moll@arm.com>, Rob Herring <robh+dt@kernel.org>,
	Rob Landley <rob@landley.net>,
	Russell King <linux@arm.linux.org.uk>,
	Sascha Hauer <kernel@pengutronix.de>,
	Shawn Guo <shawn.guo@freescale.com>,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-mtd@lists.infradead.org, b47714@freescale.com
Subject: Re: [PATCH] mtd: gpmi: make blockmark swapping optional
Date: Thu, 20 Mar 2014 11:09:14 +0100	[thread overview]
Message-ID: <20140320110914.731db7cf@ipc1.ka-ro> (raw)
In-Reply-To: <532AB94D.1050406@freescale.com>

Hi,

Huang Shijie wrote:
> 于 2014年03月20日 17:21, Lothar Waßmann 写道:
> > Hi,
> >
> > Huang Shijie wrote:
> >> 于 2014年03月19日 21:23, y@karo-electronics.de 写道:
> >>> configurable via DT. This is required for the Ka-Ro electronics
> >>> platforms.
> >>>
> >> If you disable the swapping, you will disable the NAND boot in actually.
> >>
> > No. All our modules do boot from NAND and none of them does the
> > swapping.
> >
> >
> It seems the NAND boot runs well by luck.
> 
> The ROM will do the swapping when it reads the BBT table written by the 
> kobs-ng (or something else?).
> 
This can be disabled by parameter in the FCB (at least according to
the i.MX6 reference Manual):
|DISBBM 172 4 If 0 ROM will swap BadBlockMarkerByte with
|             metadata[0] after reading a page using BCH40.
|             If the value set is 1 then ROM will not do
|             swapping


Lothar Waßmann
-- 
___________________________________________________________

Ka-Ro electronics GmbH | Pascalstraße 22 | D - 52076 Aachen
Phone: +49 2408 1402-0 | Fax: +49 2408 1402-10
Geschäftsführer: Matthias Kaussen
Handelsregistereintrag: Amtsgericht Aachen, HRB 4996

www.karo-electronics.de | info@karo-electronics.de
___________________________________________________________

  reply	other threads:[~2014-03-20 10:09 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1395235406-13449-1-git-send-email-y>
2014-03-20  8:33 ` [PATCH] mtd: gpmi: make blockmark swapping optional Juergen Beisert
2014-03-20  9:20   ` Lothar Waßmann
2014-03-20  9:15 ` Huang Shijie
2014-03-20  9:21   ` Lothar Waßmann
2014-03-20  9:47     ` Huang Shijie
2014-03-20 10:09       ` Lothar Waßmann [this message]
2014-03-20 10:56         ` Huang Shijie
2014-03-21  5:36 ` Huang Shijie
     [not found]   ` <532BCFCC.4080205-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2014-03-21 10:50     ` [PATCHv2 1/1] " Lothar Waßmann
2014-03-24  9:59       ` Huang Shijie
2014-03-26  8:51         ` Lothar Waßmann
2014-03-26 10:41           ` Huang Shijie
2014-03-26 11:55             ` Lothar Waßmann
2014-03-27  9:59               ` Huang Shijie
2014-03-27 12:21                 ` Lothar Waßmann
2014-03-28  2:09                   ` Huang Shijie
2014-03-28  8:16                     ` Lothar Waßmann
2014-03-28  8:39                       ` Huang Shijie
2014-03-28  9:00                         ` Sascha Hauer
2014-03-28  9:26                           ` Huang Shijie
2014-03-28  9:31                             ` Lothar Waßmann
2014-03-28 10:09                               ` Huang Shijie
2014-03-28 10:18                                 ` Lothar Waßmann
2014-03-28  9:01                         ` Lothar Waßmann
2014-03-28  9:33                           ` Huang Shijie
2014-03-28  9:38                             ` Huang Shijie
2014-03-28 10:13                               ` Lothar Waßmann
2014-03-28 10:35 ` [PATCHv3 0/2] " Lothar Waßmann
2014-03-28 10:35   ` [PATCHv3 1/2] " Lothar Waßmann
2014-03-31  2:06     ` Huang Shijie
2014-03-28 10:35   ` [PATCHv3 2/2] of/mtd/nand: add generic binding and helper for NAND_BBT_NO_OOB_BBM Lothar Waßmann
2014-03-19 13:23 [PATCH] mtd: gpmi: make blockmark swapping optional y
  -- strict thread matches above, loose matches on Subject: below --
2014-03-19 13:23 y
2014-03-19 13:23 y
2014-03-19 13:23 y
2014-03-19 13:23 y
2014-03-19 13:23 y
2014-03-19 13:23 y
2014-03-19 13:23 y

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