[U-Boot] Fwd: Help with replacing u-boot and kernel on a released HW...

[Naresh Mehta]

Hi Detlev/All,

I am not able to attach the u-boot source because of the size limit. I
though have the URL in the email below. It would be very helpful if
you can get the code directly from the URL and help me with the
questions.

BR; Naresh

On Mon, Oct 18, 2010 at 11:49 AM, Naresh Mehta <nareshtechs at gmail.com> wrote:
> Hi Detlev,
>
> Thanks for the reply. Garmin-Asus had released a LBS phone known as
> G60 back in 2009. It runs MontaVista flavor of Linux with kenel 2.6.21
> and a proprietary/closed UI. The device is based on OMAP 2430 and most
> of the components are not changed from the 2430 SDP (at least thats
> what I get skimming through the sources).
>
> The source is available at [1]
>
> Source folder structure is a bit complex since the source is divided
> into top level license folders and then a tar.bz2 of the open source
> SW used. For example: U-boot source is located at /GPL/u-boot-1.1.4/.
> There are 2 files in the folder u-boot-1.1.4.diff.tar.bz2 and
> u-boot-1.1.4.orig.tar.bz2. The logic is to have the unmodified
> original source in the orig tarball and the diffs in the diff tarball.
> The diff in this particular case is only a PGP key patch.
>
> I was a bit surprised but took the info at face value. After your
> email, I downloaded 1.1.4 and did a diff with the .orig.bz2 and did in
> fact find a lot of differences. Ideally they should have been provided
> as patches in the .diff.bz2 tarball. So the montana config and
> associated changes are not in the 1.1.4 master. I am pretty sure that
> the montana_config has been used since a FLASHTOOL_KERNEL_CMD_LINE has
> been used in the main.c which is unique to montana board. The main has
> been modified to look for key events. All other options are disabled
> in the release build except for the region update. And the region
> update uses tffs to load tffs_load 3 0x80007FC0;bootm 0x80007FC0
> something at 0x80007FC0 and probably start bootm from there.
>
> It would be great if someone can help me and look into tffs_load call
> and tell me how I should deceive the device to update the included
> u-boot and kernel with a modified one. My client is gmail and that
> sends attachments in base64 encoding. I am attaching the source code
> for u-boot as distributed by Garmin for G60 APAC v2.43. It is also
> available at the source at [1].
>
> Thanks for your time and efforts.
>
> [1] http://developer.garmin.com/linux-software/nuvifoneg60apac/nuvifone-g60-apac-2.43-sources.tar.bz2
> --
>
> BR; Naresh
>
> visit me at:
> http://www.naresh.se/
>