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From: Omar Pighi <pighi@selea.com>
To: Sascha Hauer <s.hauer@pengutronix.de>
Cc: "barebox@lists.infradead.org" <barebox@lists.infradead.org>
Subject: again on enviroment and partition problems
Date: Mon, 18 Apr 2011 17:03:30 +0200	[thread overview]
Message-ID: <4DAC52C2.9020201@selea.com> (raw)
In-Reply-To: <20110418072941.GH14770@pengutronix.de>

reading here:
http://www.spinics.net/lists/u-boot-v2/msg02944.html

it seems that now it works and save enviroments with correct crc.
but when i triy to ypdate_kernel it says_
partition dev/nand0.kernel.bb not found... no one .bb partition has been
created.
it should be done by hush_hack but it doesn't.

reading here:
http://www.spinics.net/lists/u-boot-v2/msg02957.html

but "CONFIG_GLOB=y"

I cannot find it in any kconfig file... so it is not possible to set
using menuconfig... should i add by hand. this means something missin in
the kconfigs...

Thanks
Omar

Dott. Ing. Omar Pighi
R&D Selea s.r.l.
Via A.Moro 69
46015 Cicognara (MN)
ITALY
tel +39-0375-889091
fax +39-0375-889080
web:www.selea.com


Il 18/04/2011 09:29, Sascha Hauer ha scritto:
> On Sat, Apr 16, 2011 at 11:14:13AM -0700, Greg Topmiller wrote:
>   
>> We're are using the Freescale release L2.6.31_MX51_SDK_0912_Image and
>> it will do this on a Freescale Babbage board and our design.  It also
>> does the same thing in Linux when we mmap the address 0xf0000000 and
>> try to read from it.  It does not hang on the Redboot.bin image
>> supplied with the Freescale SDK.  The Redboot dump command displays
>> some data.  On the Freescale 3Stack board we get an illegal address
>> error in Redboot, but it will hang in u-boot.  We realize this is a
>> reserved physical address but would hope that an error of some kind
>> would occur rather than locking up the CPU.  Could it be some sort of
>> MMU initialization difference between Redboot and u-boot?
>>     
> I have no idea how redboot maps the memory in the mmu, but barebox and
> u-boot use a 1:1 mapping which results in the behaviour you see.
> Accessing reserved memory can result in a abort.
>
> Sascha
>
>   

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  parent reply	other threads:[~2011-04-18 15:03 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-16 18:14 Imx51 processor hangs when we do an md 0xf0000000 (memory display) in u-boot Greg Topmiller
2011-04-18  7:29 ` Sascha Hauer
2011-04-18  9:44   ` Greg Topmiller
2011-04-18 13:15     ` on enviromen Omar Pighi
2011-04-18 15:03   ` Omar Pighi [this message]
2011-04-18 17:48     ` again on enviroment and partition problems Sascha Hauer
2011-04-19  9:17       ` Omar Pighi

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