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From: b32955@freescale.com (Huang Shijie)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] mtd: gpmi: make blockmark swapping optional
Date: Thu, 20 Mar 2014 18:56:16 +0800	[thread overview]
Message-ID: <532AC950.6070108@freescale.com> (raw)
In-Reply-To: <20140320110914.731db7cf@ipc1.ka-ro>

? 2014?03?20? 18:09, Lothar Wa?mann ??:
> This can be disabled by parameter in the FCB (at least according to
> the i.MX6 reference Manual):
from imx28's reference manual, there is not such bit in the FCB to 
disable the
swapping. But you are disabling the swapping in the imx28's DTS file, 
isn't it?

I think it is dangerous.



> |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
>
>
I will consult with our ROM colleague about this DISBBM bit.

I am not sure if the ROM still do the swapping for the uboot when we set 
DISBBM bit.

thanks
Huang Shijie

  reply	other threads:[~2014-03-20 10:56 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-19 13:23 [PATCH] mtd: gpmi: make blockmark swapping optional y at karo-electronics.de
2014-03-20  8:33 ` 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
2014-03-20 10:56         ` Huang Shijie [this message]
2014-03-21  5:36 ` Huang Shijie
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

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