OMAP baseline test results for v3.10-rc6

[Hiremath, Vaibhav]

> -----Original Message-----
> From: linux-arm-kernel [mailto:linux-arm-kernel-
> bounces at lists.infradead.org] On Behalf Of Kevin Hilman
> Sent: Wednesday, June 26, 2013 1:28 AM
> To: Rini, Tom
> Cc: Paul Walmsley; linux-omap at vger.kernel.org; linux-arm-
> kernel at lists.infradead.org; Balbi, Felipe; Hiremath, Vaibhav
> Subject: Re: OMAP baseline test results for v3.10-rc6
> 
> Tom Rini <trini at ti.com> writes:
> 
> > On 06/25/2013 02:20 PM, Paul Walmsley wrote:
> >> + Vaibhav and Kevin
> >>
> >> Hi,
> >>
> >> On Tue, 25 Jun 2013, Felipe Balbi wrote:
> >>
> >>> On Mon, Jun 17, 2013 at 05:23:17AM +0000, Paul Walmsley wrote:
> >>>> Boot to userspace:
> >>>>     FAIL ( 3/12): 37xxevm, am335xbone, am335xbonelt
> >>>
> >>> Paul, we have at least 2 different folks who can't reproduce your
> bone
> >>> and bone black boot to userspace failures. I wonder how you're
> trying to
> >>> boot them.
> >>>
> >>> Care to share your test scripts ?
> >>
> >> Sure... the methodology is completely open and has been posted in
> the
> >> online logs since the first test cycle.  (For some reason, almost no
> one
> >> clicks through the test directory trees that I post online.  Is this
> a
> >> documentation issue?  What can we do to make it easier for people to
> >> explore this?)
> >
> > Well, another link never hurts the search results :)
> >
> > [snip]
> >> Am certainly open to the idea that there's something wrong with the
> way
> >> that I'm booting either of these.  But AFAIK no one's been able to
> >> identify exactly what it could be.  I haven't had the time recently
> to
> >> spend hours going through the various permutations, given all the
> other
> >> breakage :-(  BeagleBone-white has the additional complication that
> it is
> >> not easy to automate, due to the way that power is delivered to the
> board,
> >> so there is an extra dimension of difficulty there.
> >
> > Ah-ha, I reproduced your failure.  If I make up a concat uImage +
> DTB,
> > rather than pass them separately, it fails to boot.  If you switch to
> > mainline U-Boot (v2012.10 or later) you get support for separate
> image +
> > dtb (v2013.04 gives you bootz and zImage support).  v2013.04 will
> also
> > work out of the box for BeagleBone-Black.
> 
> Just to confirm, my problems with mainline were with appended DTB also.
> Separate DTB and zImage work fine (at least using u-boot v2013.04.)
> 
> That being said, appended DTB should still work, so there's a bug
> hiding
> someplace that needs to be found fixed.
> 
> Can you guys update your tests to test appended DTB also?
> 

What is missing here is, 

CONFIG_ARM_APPENDED_DTB = y
CONFIG_ARM_ATAG_DTB_COMPAT = y


And for the code which is required in case of appended DTB, please refer to the code
"arch/arm/boot/compressed/head.S"


Please __NOTE__ that these options are not enabled in default omap2plus_defconfig.


Thanks,
Vaibhav