Re: [Gumstix-users] Flkashing over Ethernet

[Chris D. <chr...@gm...>]

Hi Raymond,

Do you have serial access to your gumstix?  The tftp stuff the wiki
describes is done through a seial connection on the console in u-boot.
 If you don't have access to the console, you won't be able to reflash
that way.

If ethernet is your only way to connect to your gumstix you can
reflash the filesystem (and u-boot for that matter) from within linux.
 I use the procedure described here
http://article.gmane.org/gmane.linux.distributions.gumstix.general/8544/match=flashcp
every time I do a rootfs re-flash and it works great, just make sure
you read the warning about u-boot - specifically, if you are running a
really old rootfs (not sure of the revision numbers) you will have to
re-flash a new u-boot also because the u-boot environment variables
changed.  You will also have to make sure the rootfs you build is
padded to the full size of your gumstix flash (either 4mb or 16mb).
There is a section in in the menuconfig I believe under target options
that is something like 'pad jffs2 image' that you can use to pad out
the rootfs image.  Note that you can't use both the jffs2 pad option
and the 'use sumtool' option or the build will fail, so make sure the
sumtool option is not selected.

You can definately brick your gumstix using this procedure, so make
sure you really pay attention to what you are doing if you go this
route.  There are a number of threads in the list archives dealing
with flashing over ethernet... just do a search on flashcp and you'll
find them.

Hope this helps,

Chris

On 8/26/06, Raymond Blum <ra...@ra...> wrote:
> Hi
>    I've been through the flashing Wiki pages and am stumped.  I have
> an Etherstix, the only connectivity it has is the Ethernet port (no
> serial ports, no card slots, etc)  I can log into it via SSH, all is
> fine.  I want to add rsync, so I did a buildroot including rsync and
> made a new image.  Now I want to install it on my etherstix and,
> according to [my understanding of] the Wiki, I need to use tftp.
>
> I could get a tftp server running but am unsure as to what to do on
> the client (gumstix) side.  The Wiki talks about the tftp command,
> which is unknown on my etherstix.
>
> What am I missing here?
>
> Thanks
> ---Raymond
>
>
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