From: gianluca <gianlucarenzi@eurek.it>
To: barebox@lists.infradead.org
Subject: Re: iMX6 second boot: from SDCard [SOLVED]
Date: Tue, 1 Mar 2016 12:38:57 +0100 [thread overview]
Message-ID: <56D57F51.2020803@eurek.it> (raw)
In-Reply-To: <56D57A94.5040804@eurek.it>
On 03/01/2016 12:18 PM, gianluca wrote:
> Hello everybody,
> first of all, I would say a BIG thank to everybody point me out on have
> a USB-Serial Downloader working and Barebox up and running in my custom
> iMX6Q based board.
>
> Right now I wish to know what can be done or not done to fireup the
> board from attached microSD card which is working because Barebox (from
> USB Downloader) is seeing it and find any partition scheme found on it.
>
> If I simply write the barebox-flash-image (currently a symlink to
> image/barebox-[BOARD].img file) to a sdcard with command:
>
> [my usb-adapter is seeing the sdcard as /dev/sdk]
>
> dd if=barebox-flash-image of=/dev/sdk
>
> it works, but actually I have lost all MBR partition scheme at all.
>
> I read somewhere (https://community.freescale.com/docs/DOC-95015) that
> writing the .imx file with an offset of 1K from the beginning of the
> card it should run.
>
> Actually it is not. :-(
>
I can answer to this by myself ;-)
The issue is to write skipping the fisrt 1024 of the sdcard (bs=512
skip=2 and skipping the first 1k from the image itself [seek=2])
dd if=barebox-flash-image of=/dev/sdk bs=512 seek=2 skip=2
works fine.
Sorry for noise.
;-P
--
Eurek s.r.l. |
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via Celletta 8/B, 40026 Imola, Italy | Phone: +39-(0)542-609120
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prev parent reply other threads:[~2016-03-01 11:39 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-01 11:18 iMX6 second boot: from SDCard gianluca
2016-03-01 11:38 ` gianluca [this message]
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