RE: arch/powerpc, Xilinx, and mainline kernel support

["Stephen Neuendorffer" <stephen.neuendorffer@xilinx.com>]

We should run the fdt tests every night and generate a list of IP used
in tests.

> -----Original Message-----
> From: Koss, Mike (Mission Systems) [mailto:mike.koss@ngc.com]
> Sent: Friday, May 23, 2008 10:13 AM
> To: John Linn; Stephen Neuendorffer; Grant Likely
> Cc: linuxppc-embedded@ozlabs.org
> Subject: RE: arch/powerpc, Xilinx, and mainline kernel support
> =

> Yeah, I wasn't saying "hey! We need to support old/deprecated cores!".
> Rather I was stating that it would be nice to know which cores are
> supported currently: SystemACE, MPMC3/4, XPS_LL_TEMAC, SDMA, etc. Just
> so this sort of thing doesn't happen again to the next person who
tries
> it. If I get time this weekend, I may try and extract that information
> from the tcl and post a patch for the README.
> =

> -----Original Message-----
> From: John Linn [mailto:John.Linn@xilinx.com]
> Sent: Friday, May 23, 2008 12:52 PM
> To: Koss, Mike (Mission Systems); Stephen Neuendorffer; Grant Likely
> Cc: linuxppc-embedded@ozlabs.org
> Subject: RE: arch/powerpc, Xilinx, and mainline kernel support
> =

> Hi Mike,
> =

> Thanks for the input, sounds right to me, we'll put it on the list of
> things to do.
> =

> In general we will be testing our work on the current version of the
> Xilinx tools and not maintaining them for all versions of the Xilinx
> tools, but we need a way to spell that out cleanly.
> =

> Thanks,
> John
> =

> -----Original Message-----
> From: linuxppc-embedded-bounces+john.linn=3Dxilinx.com@ozlabs.org
> [mailto:linuxppc-embedded-bounces+john.linn=3Dxilinx.com@ozlabs.org] On
> Behalf Of Koss, Mike (Mission Systems)
> Sent: Friday, May 23, 2008 9:09 AM
> To: Stephen Neuendorffer; Grant Likely
> Cc: linuxppc-embedded@ozlabs.org
> Subject: RE: arch/powerpc, Xilinx, and mainline kernel support
> =

> So yesterday, we got a chance to checkout Linus' main (2.26.26-rc3)
and
> it appears to not have all the necessary updates to build for the
> Generic Xilinx Virtex either.
> =

> For now, I've decided to work from the Xilinx git-tree.
> =

> We also gave the EDK bsp->dts generator a spin, and I have a comment
on
> it: documentation. It would be nice to have some kind of simple README
> that explains what it is and what it supports. The current README
talks
> about using the old python script. I fired up the bsp against my EDK
9.1
> MPMC(2) based system and it bombed out when it reached the MPMC2
> definition. So I dug through the tcl and found it that it was only
> supporting the MPMC3.
> =

> I'm still working on my EDK 9.2 MPMC3 system, so I can't check to see
if
> that works or not, yet.
> =

> -- Mike
> =

> -----Original Message-----
> From: Stephen Neuendorffer [mailto:stephen.neuendorffer@xilinx.com]
> Sent: Friday, May 16, 2008 6:34 PM
> To: Grant Likely; Koss, Mike (Mission Systems)
> Cc: linuxppc-embedded@ozlabs.org
> Subject: RE: arch/powerpc, Xilinx, and mainline kernel support
> =

> =

> =

> > -----Original Message-----
> > From: linuxppc-embedded-bounces+stephen=3Dneuendorffer.name@ozlabs.org
> [mailto:linuxppc-embedded-
> > bounces+stephen=3Dneuendorffer.name@ozlabs.org] On Behalf Of Grant
> Likely
> > Sent: Friday, May 16, 2008 3:27 PM
> > To: Koss, Mike (Mission Systems)
> > Cc: linuxppc-embedded@ozlabs.org
> > Subject: Re: arch/powerpc, Xilinx, and mainline kernel support
> >
> > On Fri, May 16, 2008 at 4:06 PM, Koss, Mike (Mission Systems)
> > <mike.koss@ngc.com> wrote:
> > > Is there any reason why the mainline 2.6.25.3 (and from what I
could
> see .4)
> > > is missing the files to build for the Xilinx Virtex platform?
> > >
> > > Or in other words, I tried to build from 2.6.25.3 for the Xilinx
> Virtex
> > > under arch/powerpc (because arch/ppc actually crashes when once
apps
> start
> > > to run) and it failed when trying to actually create the zImage. I
> hopped
> > > over to Xilinx's git server and noticed a bunch of missing entries
> in the
> > > boot/Makefile and source code to actually support the complete
image
> build
> > > for a Xilinx Virtex PPC405.
> > >
> > > When is the Xilinx Virtex support going to be mainline official? I
> need to
> > > be able to grab a stable kernel and work from there rather than
> using the
> > > latest -rc that Xilinx is hosting on their git server.
> >
> > Working on it.  Biggest problem is getting the device drivers in
> > shape.  However, other than Ethernet support, current arch/powerpc
> > (head of Linus' tree, not 2.6.25) should work for building virtex
> > kernels.
> =

> Mike,
> =

> What is your objection to using what is in the git tree, because it is
> based on 24-rc8 and not 25, or something more fundamental?
> =

> Steve
> =

> =

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