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
___________________________________________________________
next prev parent 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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