From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from outbound4-va3-R.bigfish.com (outbound-va3.frontbridge.com [216.32.180.16]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "*.bigfish.com", Issuer "*.bigfish.com" (not verified)) by ozlabs.org (Postfix) with ESMTPS id A3974DEDF8 for ; Sat, 24 May 2008 02:13:20 +1000 (EST) MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Subject: RE: arch/powerpc, Xilinx, and mainline kernel support Date: Fri, 23 May 2008 09:13:14 -0700 In-reply-to: References: <20080516223422.C02A26B006F@mail34-dub.bigfish.com> From: "Stephen Neuendorffer" To: "Koss, Mike (Mission Systems)" , "Grant Likely" Message-Id: <20080523161316.7627978062@mail63-va3.bigfish.com> Cc: linuxppc-embedded@ozlabs.org List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Grant, could you post explicit instructions about how to build the simpleImage? I tried it too and couldn't get the makefile rules to match my dts. Mike, Supporting mpmc2 for memory access only is pretty straightforward, but supporting the temac/sdma connections is more problematic, particularly since we have no plans to update the plb_temac driver for ARCH=3Dpowerpc. Steve > -----Original Message----- > From: Koss, Mike (Mission Systems) [mailto:mike.koss@ngc.com] > Sent: Friday, May 23, 2008 8:09 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) > > 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 > = > = > This email and any attachments are intended for the sole use of the > named recipient(s) and contain(s) confidential information that may be > proprietary, privileged or copyrighted under applicable law. If you are > not the intended recipient, do not read, copy, or forward this email > message or any attachments. Delete this email message and any > attachments immediately. > = > = This email and any attachments are intended for the sole use of the named r= ecipient(s) and contain(s) confidential information that may be proprietary= , privileged or copyrighted under applicable law. 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