[GIT PULL] ARM: mvebu: DT changes for v3.17

Jason Cooper jason at lakedaemon.net
Tue Jul 8 05:10:10 PDT 2014


Sebastian,

On Mon, Jun 30, 2014 at 09:50:30AM +0200, Sebastian Hesselbarth wrote:
> On 06/28/2014 04:54 PM, Jason Cooper wrote:
> > On Fri, Jun 27, 2014 at 07:36:12PM +0200, Sebastian Hesselbarth wrote:
> >> On 06/27/2014 06:49 PM, Jason Cooper wrote:
> >>>> On Jun 27, 2014, at 9:44, Sebastian Hesselbarth <sebastian.hesselbarth at gmail.com> wrote:
> >>> ...
> >>>> And I am not sure, if we want to rely on some six numbers stored on
> >>>> SPI flash, i.e. there is no magic nor header to be really sure, it
> >>>> is a MAC address.
> >>>
> >>> It couldn't be compared with the MAC address of the nic?
> >>
> >> Sure, but if it is not equal it tells you nothing.
> >>
> >> You can change the NICs MAC in your bootloader, it will be different
> >> from the numbers you read from SPI, and some mechanism will assume you
> >> just made your production version into ES.
> >>
> >> We really want to introduce such a crutch?
> > 
> > Well, we need to keep in mind distro's concerns, but we don't need to
> > (and shouldn't) attempt to solve them.
> > 
> > That's why I wanted to add a comment expressing the facts as best we
> > know them.  We could also now add a link to this thread to assist future
> > distro maintainers.
> > 
> > As this patch sits, it is an accurate description of the two variants of
> > dove-based CuBoxes.  The fact that SolidRun didn't leave a clear
> > differentiator is unfortunate, but we can't magic a solution out of our
> > ass.  Nor should we block a patch because we can't.
> 
> Ok, I'll look through my eMails and Web again to collect some
> differences and prepare a "add comment" only patch for the CuBox DTSs.

No rush, just a gentle ping.  ;-)

> > It also might be worth reaching out to Rabeeh one more time and asking
> > explicitly if there is a programmatic way to differentiate the two
> > boards on the board itself.
> 
> Yeah, I remember someone said that there is a different SPI vendor on
> production CuBox. That could be a way to tell them apart _if_ it is
> used exclusively on production boxes.
> 
> But I'll ask Rabeeh about it again.

any word from Rabeeh?

thx,

Jason.



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