[PATCH 2/2] ARM: vexpress: Remove non-DT code
Nicolas Pitre
nicolas.pitre at linaro.org
Thu Sep 18 10:17:34 PDT 2014
On Thu, 18 Sep 2014, Russell King - ARM Linux wrote:
> On Wed, Sep 17, 2014 at 09:04:54PM -0400, Nicolas Pitre wrote:
> > On Wed, 17 Sep 2014, Russell King - ARM Linux wrote:
> >
> > > As for TC2, I just don't bother with that. It's really not worth the
> > > hastle. I asked for help with that and got almost nothing. Yes, there's
> > > Nicolas' uboot, which solves some problems, but getting the kernel to
> > > boot on TC2 turned out to be a dead loss - and no help with it was
> > > forthcoming.
> >
> > TC2 is my main development board at the moment and it boots mainline
> > perfectly. If you want I can provide you with a tarball of everything
> > you need to boot it, including my setup script and compiled kernel, to
> > get you started.
>
> Well, right now I have a slightly different view, because of the work on
> the FIQ stuff.
>
> We currently have the situation where the GIC on CT9x4 appears to be
> different from other GICs, in that group 1 interrupts are never
> delivered. As the GIC is indistinguishable from working parts, this
> currently squarely puts the Daniel's KGDB FIQ work, and work to use
> FIQ for dumping backtraces in the case of a spinlock lockup beyond the
> reach of the kernel right now, and nothing more than a local hack.
>
> So, until we get to the bottom of this, I need Versatile Express support
> to stay as-is, so there's no extraneous variables in the platform. That
> means right now I need the legacy stuff to stay as switching to DT will
> add a huge variable into what's going on.
No problem -- I'm just offering kickstart help whenever you wish to make
your TC2 useful beyond a doorstop.
Nicolas
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