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]=20
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
=20
On Fri, May 16, 2008 at 4:06 PM, Koss, Mike (Mission Systems)=20
[off-list ref] wrote:

quoted

Is there any reason why the mainline 2.6.25.3 (and from what I could

see .4)

quoted

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

quoted

under arch/powerpc (because arch/ppc actually crashes when once apps

start

quoted

to run) and it failed when trying to actually create the zImage. I

hopped

quoted

over to Xilinx's git server and noticed a bunch of missing entries

in the

quoted

boot/Makefile and source code to actually support the complete image

build

quoted

for a Xilinx Virtex PPC405.

When is the Xilinx Virtex support going to be mainline official? I

need to

quoted

be able to grab a stable kernel and work from there rather than

using the

quoted

latest -rc that Xilinx is hosting on their git server.

=20
Working on it.  Biggest problem is getting the device drivers in=20
shape.  However, other than Ethernet support, current arch/powerpc=20
(head of Linus' tree, not 2.6.25) should work for building virtex=20
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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