From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
To: buildroot@busybox.net
Subject: [Buildroot] img layout
Date: Fri, 21 Jul 2017 11:46:53 +0200 [thread overview]
Message-ID: <20170721114653.16e88cb7@windsurf> (raw)
In-Reply-To: <trinity-6a261bc1-46e9-4b2a-9e53-ec32e5d148b0-1500628795781@3capp-mailcom-bs09>
Hello,
On Fri, 21 Jul 2017 11:19:55 +0200, daggs wrote:
> well latest uboot supports the odroidc2 boards but there is a need to insert their signed blobs into the image.
> as I don't know how the image's layout is, I'm not sure the dd specified in the uboot docs will work. I've never got it to boot. it maybe something else.
>
> this is what they write:
> DEV=/dev/your_sd_device
> dd if=$BL1 of=$DEV conv=fsync bs=1 count=442
> dd if=$BL1 of=$DEV conv=fsync bs=512 skip=1 seek=1
> dd if=$DIR/u-boot.gxbb of=$DEV conv=fsync bs=512 seek=97
>
> how can I be sure that the offsets above are the same in uboot generated image?
Use genimage, you can specify at which offset which image should be
placed. See board/engicam/icorem6/genimage.cfg for example.
Best regards,
Thomas
--
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
next prev parent reply other threads:[~2017-07-21 9:46 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-21 6:48 [Buildroot] img layout daggs
2017-07-21 7:26 ` Thomas Petazzoni
2017-07-21 9:19 ` daggs
2017-07-21 9:46 ` Thomas Petazzoni [this message]
2017-07-21 10:57 ` daggs
2017-07-22 15:58 ` daggs
2017-07-22 18:05 ` Peter Korsgaard
2017-07-21 10:44 ` Peter Korsgaard
2017-07-21 10:59 ` daggs
2017-07-21 15:57 ` Peter Korsgaard
2017-07-21 19:42 ` daggs
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