From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from outbound4-fra-R.bigfish.com (outbound-fra.frontbridge.com [62.209.45.174]) (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 ESMTP id 19966DDE0C for ; Fri, 31 Aug 2007 02:07:38 +1000 (EST) MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Subject: RE: Xilinx Virtex boot (And MPMC) Date: Thu, 30 Aug 2007 09:07:21 -0700 In-Reply-To: <1188485072.8717.42.camel@PisteOff> From: "Stephen Neuendorffer" To: "Robert Woodworth" , "Grant Likely" Message-Id: <20070830160733.A8FDC39808B@mail11-fra.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: , The MPMC would almost certainly be a better option here... Steve > -----Original Message----- > From:=20 > linuxppc-embedded-bounces+stephen=3Dneuendorffer.name@ozlabs.org > =20 > [mailto:linuxppc-embedded-bounces+stephen=3Dneuendorffer.name@oz labs.org] On Behalf Of Robert Woodworth > Sent: Thursday, August 30, 2007 7:45 AM > To: Grant Likely > Cc: linuxppc-embedded@ozlabs.org > Subject: Re: Xilinx Virtex boot >=20 > On Wed, 2007-08-29 at 18:29 -0600, Grant Likely wrote: > > On 8/29/07, Robert Woodworth wrote: > > > I'm trying to port Linux to a new Virtex Platform. The=20 > kernel will not > > > uncompress, I get the following on the console: > > > > > > loaded at: 00400000 004FB19C > > > board data at: 004F9120 004F919C > > > relocated to: 00404054 004040D0 > > > zimage at: 00404E50 004F8409 > > > avail ram: 004FC000 04000000 > > > > > > Linux/PPC load: console=3DttyUL root=3D/dev/xsa2 > > > Uncompressing Linux... > > > zlib_inflateInit2 returned 00506530 > > > exit > > > > > > Any ideas what causes this error?? > > > Is something mis-configured on my EDK project? > > > > >=20 > > Possibly, do you know that EDK has your ram is configured correctly > > (ie. have you run a memory test application)? >=20 > Yes, I ran the sample memory test application that EDK builds > automatically. It ran fine. >=20 > The fact that the above prints on the console, tells me that the > zImage.elf is getting loaded at the correct start location=20 > and that its > partly executing. >=20 > What is the return code that I'm seeing?? I have been unable=20 > to figure > that out from the source yet. >=20 >=20 > > > > > > I have 64MB DDR on the OPB *not* the PLB. > > > Is that a problem?? > >=20 > > It shouldn't be the problem, but why are you doing that? >=20 > We are building an image-processing application inside the FPGA. The > application is very memory intensive. I have been told that the PPC > always has priority on the PLB and that if I want to have my=20 > FPGA module > have priority on memory, that I should place the memory and my FPGA > module on the OPB. Yes, this can significantly slow down the PPC, but > in my case the PPC is only used for UI and networking. >=20 > I will actually build in *two* OPBs one for the memory + my module and > the second for the other peripherals.=20 >=20 >=20 > Woody. >=20 > _______________________________________________ > Linuxppc-embedded mailing list > Linuxppc-embedded@ozlabs.org > https://ozlabs.org/mailman/listinfo/linuxppc-embedded >=20 >=20