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From: Robert Schwebel <robert@schwebel.de>
To: "Kjell Ove Røte" <kjellove.rote@zenitel.com>
Cc: "barebox@lists.infradead.org" <barebox@lists.infradead.org>
Subject: Re: FW: Handling boot on NAND Bad Blocks
Date: Thu, 30 Nov 2017 22:43:54 +0100	[thread overview]
Message-ID: <20171130214354.dyuew52qyyio2j4l@pengutronix.de> (raw)
In-Reply-To: <9f24493b88f3412b86d192783708f813@nooslMX1.zenitelcss.com>

On Fri, Nov 24, 2017 at 08:49:22AM +0000, Kjell Ove Røte wrote:
> In the original case the board just reboots when the Barebox is to be loaded from the bootstream image. 
> In log below you see that the power_prep and boot_prep is run but the Barebox is not started at all. 
> So, in this case there is no Barebox issue, but I was looking for if there are some mechanism for handling boot environment, kernel load etc with Bad block management. 
> For example something like writing and loading a kernel image, using skip block method, from a partition with bad blocks and image cannot be stored over linear addresses.
> 
> Booting an image where Barebox is stored in a NAND Bad Block:
> 
> PowerPrep start initialize power...
> 
> Configured for 5v only power source. Battery powered operation disabled.
> 
> Turbine PowerPrep POWER RESET, EMC hardness
> Disable the chip shutting down by a fast falling edge of PSWITCH
> Nov 24 201608:57:28
> FRAC 0x92925552
> Wait for ddr ready 1power 0x00820616
> Frac 0x92925552
> start change cpu freq
> hbus 0x00000003
> cpu 0x00010001
> start test memory accress
> ddr2 0x40000000
> finish simple test
> 0x8050100b
> 0x8050800f

Hmm, that doesn't look familiar to me (we had other NAND issues
recently).

rsc
-- 
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  reply	other threads:[~2017-11-30 21:44 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-23 13:45 Kjell Ove Røte
2017-11-23 17:12 ` Robert Schwebel
2017-11-24  8:49   ` Kjell Ove Røte
2017-11-30 21:43     ` Robert Schwebel [this message]
2017-12-04  8:49       ` Kjell Ove Røte

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