From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from web83407.mail.sp1.yahoo.com (web83407.mail.sp1.yahoo.com [69.147.64.55]) by ozlabs.org (Postfix) with SMTP id D397967B99 for ; Fri, 1 Dec 2006 12:16:49 +1100 (EST) Date: Thu, 30 Nov 2006 17:10:08 -0800 (PST) From: Pradeep Sampath Subject: Re: RE : Some questions about the Xilinx Temac driver. To: 'Ming Liu' In-Reply-To: <000b01c714a3$07330f40$c900a8c0@CRESITTLAB> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="0-1750135780-1164935408=:88813" Message-ID: <839098.88813.qm@web83407.mail.sp1.yahoo.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: , --0-1750135780-1164935408=:88813 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Hi Ming, See previous postings from Robert Corley. Pradeep alayrac wrote: Hi Ming You will find informations to build linux 2.6 BSP in the file EDK_8.2\sw\ThirdParty\bsp\linux_2_6_v1_00_a\doc\linux_2_6_v1_00_a.pdf This file is installed with plateform Studio Regards Chris CRESITT INDUSTRIE 12 Rue de Blois, BP6744 45067 ORLEANS Cedex 2 Tel : 02.38.49.45.59 Fax :02.38.49.45.55 Email : christophe.alayrac@cresitt.com Web : http://www.cresitt.com <----> -----Message d'origine----- <----> De : linuxppc-embedded- <----> bounces+christophe.alayrac=cresitt.com@ozlabs.org [mailto:linuxppc- <----> embedded-bounces+christophe.alayrac=cresitt.com@ozlabs.org] De la <----> part de Ming Liu <----> Envoyé : jeudi 30 novembre 2006 17:37 <----> À : mgalassi@c-cor.com <----> Cc : linuxppc-embedded@ozlabs.org <----> Objet : Re: Some questions about the Xilinx Temac driver. <----> <----> Dear Michael, <----> Now I update my Xilinx design software from 8.1 to 8.2 and notice <----> that <----> there is already linux_2_6 support. Then I generated the BSP for <----> linux 2.6. <----> I found that there are some differences from the older version, e.g. <----> there <----> are some files such as XMakefile, xps_connected.cud, etc. I am <----> confused <----> with this. So could you please give me a hand on how to use such a <----> generated BSP to build my linux 2.6 kernel? I cannot find any <----> guidance on <----> how to do that. Thanks for your help. <----> <----> BR <----> Ming <----> <----> <----> >From: Michael Galassi <----> >Reply-To: Michael Galassi <----> >To: "Ming Liu" <----> >CC: akonovalov@ru.mvista.com, linuxppc-embedded@ozlabs.org <----> >Subject: Re: Some questions about the Xilinx Temac driver. <----> >Date: Wed, 29 Nov 2006 08:38:37 -0800 <----> > <----> >If you use the latest xilinx ISE/EDK/IP update and let it overlay <----> your <----> >mvl source tree with it's files it shouldn't take you more than a <----> few <----> >hours to patch things up to where you can compile a kernel which <----> will <----> >work on the 3.00b IP. The PHY support is useless but you can work <----> >around that easily enough. I've not tried to get any of that <----> working <----> >with a semi-current kernel so if you're not using mvl's flavor of <----> 2.6.10 <----> >you may run into other issues. <----> > <----> >-michael <----> > <----> > >Dear Andrei, <----> > >I have some questions about your xilinx Temac driver. If possible, <----> please <----> > >give me a hand on such confusing problems. <----> > > <----> > >1. I am using the driver from <----> > >http://source.mvista.com/~ank/paulus-powerpc/20060309/, and the IP <----> cores <----> of <----> > >plb_temac and hard_temac whose hardware versions are 2.00a and <----> 1.00a <----> > >specifically. I know the newest versions of those hardwares are <----> 3.00a <----> and <----> > >3.00a. Is your driver support the 3.00a version hardware? Also, is <----> the <----> > >driver from http://source.mvista.com/~ank/paulus-powerpc/20060309/ <----> the <----> > >latest one for Xilinx Temac? If you have some updated version, <----> please <----> tell <----> > >me the address. <----> > > <----> > >2. Is that driver from the above address able to support SGDMA? In <----> fact, <----> I <----> > >am testing the throughput of the Temac enet by my own little <----> program <----> which <----> > >is very simple. In the program running on the board, the pseudo <----> code <----> looks <----> > >just like this: <----> > > for(;;){ <----> > > select(); <----> > > if(FD_ISSET()){ <----> > > recvfrom(); <----> > > } <----> > > <----> > > sendto(); <----> > > } <----> > > <----> > >The program is just to receive packets from a pc and then transfer <----> them <----> > >back. But in this condition, the embedded PowerPC CPU is easily <----> used by <----> > >100&. So I suspect that maybe the DMA is not running properly. <----> Could you <----> > >please say something about the DMA in your driver? <----> > > <----> > >Thanks a lot for your telling. <----> > > <----> > >Regards <----> > >Ming <----> > > <----> > >_________________________________________________________________ <----> > >免费下载 MSN Explorer: http://explorer.msn.com/lccn/ <----> > > <----> > > <----> > >--===============1695844909== <----> > >Content-Type: text/plain; charset="us-ascii" <----> > >MIME-Version: 1.0 <----> > >Content-Transfer-Encoding: 7bit <----> > >Content-Disposition: inline <----> > > <----> > >_______________________________________________ <----> > >Linuxppc-embedded mailing list <----> > >Linuxppc-embedded@ozlabs.org <----> > >https://ozlabs.org/mailman/listinfo/linuxppc-embedded <----> > >--===============1695844909==-- <----> <----> _________________________________________________________________ <----> 与联机的朋友进行交流，请使用 MSN Messenger: http://messenger.msn.com/cn _______________________________________________ Linuxppc-embedded mailing list Linuxppc-embedded@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-embedded --0-1750135780-1164935408=:88813 Content-Type: text/html; charset=iso-8859-1 Content-Transfer-Encoding: 8bit
Hi Ming,
 
See previous postings from Robert Corley.
 
Pradeep

alayrac <christophe.alayrac@cresitt.com> wrote:
Hi Ming

You will find informations to build linux 2.6 BSP in the file
EDK_8.2\sw\ThirdParty\bsp\linux_2_6_v1_00_a\doc\linux_2_6_v1_00_a.pdf

This file is installed with plateform Studio

Regards

Chris

CRESITT INDUSTRIE
12 Rue de Blois, BP6744
45067 ORLEANS Cedex 2
Tel : 02.38.49.45.59
Fax :02.38.49.45.55
Email : christophe.alayrac@cresitt.com
Web : http://www.cresitt.com


<----> -----Message d'origine-----
<----> De : linuxppc-embedded-
<----> bounces+christophe.alayrac=cresitt.com@ozlabs.org [mailto:linuxppc-
<----> embedded-bounces+christophe.alayrac=cresitt.com@ozlabs.org] De la
<----> part de Ming Liu
<----> Envoyé : jeudi 30 novembre 2006 17:37
<----> À : mgalassi@c-cor.com
<----> Cc : linuxppc-embedded@ozlabs.org
<----> Objet : Re: Some questions about the Xilinx Temac driver.
<---->
<----> Dear Michael,
<----> Now I update my Xilinx design software from 8.1 to 8.2 and notice
<----> that
<----> there is already linux_2_6 support. Then I generated the BSP for
<----> linux 2.6.
<----> I found that there are some differences from the older version, e.g.
<----> there
<----> are some files such as XMakefile, xps_connected.cud, etc. I am
<----> confused
<----> with this. So could you please give me a hand on how to use such a
<----> generated BSP to build my linux 2.6 kernel? I cannot find any
<----> guidance on
<----> how to do that. Thanks for your help.
<---->
<----> BR
<----> Ming
<---->
<---->
<----> >From: Michael Galassi
<----> >Reply-To: Michael Galassi
<----> >To: "Ming Liu"
<----> >CC: akonovalov@ru.mvista.com, linuxppc-embedded@ozlabs.org
<----> >Subject: Re: Some questions about the Xilinx Temac driver.
<----> >Date: Wed, 29 Nov 2006 08:38:37 -0800
<----> >
<----> >If you use the latest xilinx ISE/EDK/IP update and let it overlay
<----> your
<----> >mvl source tree with it's files it shouldn't take you more than a
<----> few
<----> >hours to patch things up to where you can compile a kernel which
<----> will
<----> >work on the 3.00b IP. The PHY support is useless but you can work
<----> >around that easily enough. I've not tried to get any of that
<----> working
<----> >with a semi-current kernel so if you're not using mvl's flavor of
<----> 2.6.10
<----> >you may run into other issues.
<----> >
<----> >-michael
<----> >
<----> > >Dear Andrei,
<----> > >I have some questions about your xilinx Temac driver. If possible,
<----> please
<----> > >give me a hand on such confusing problems.
<----> > >
<----> > >1. I am using the driver from
<----> > >http://source.mvista.com/~ank/paulus-powerpc/20060309/, and the IP
<----> cores
<----> of
<----> > >plb_temac and hard_temac whose hardware versions are 2.00a and
<----> 1.00a
<----> > >specifically. I know the newest versions of those hardwares are
<----> 3.00a
<----> and
<----> > >3.00a. Is your driver support the 3.00a version hardware? Also, is
<----> the
<----> > >driver from http://source.mvista.com/~ank/paulus-powerpc/20060309/
<----> the
<----> > >latest one for Xilinx Temac? If you have some updated version,
<----> please
<----> tell
<----> > >me the address.
<----> > >
<----> > >2. Is that driver from the above address able to support SGDMA? In
<----> fact,
<----> I
<----> > >am testing the throughput of the Temac enet by my own little
<----> program
<----> which
<----> > >is very simple. In the program running on the board, the pseudo
<----> code
<----> looks
<----> > >just like this:
<----> > > for(;;){
<----> > > select();
<----> > > if(FD_ISSET()){
<----> > > recvfrom();
<----> > > }
<----> > >
<----> > > sendto();
<----> > > }
<----> > >
<----> > >The program is just to receive packets from a pc and then transfer
<----> them
<----> > >back. But in this condition, the embedded PowerPC CPU is easily
<----> used by
<----> > >100&. So I suspect that maybe the DMA is not running properly.
<----> Could you
<----> > >please say something about the DMA in your driver?
<----> > >
<----> > >Thanks a lot for your telling.
<----> > >
<----> > >Regards
<----> > >Ming
<----> > >
<----> > >_________________________________________________________________
<----> > >免费下载 MSN Explorer: http://explorer.msn.com/lccn/
<----> > >
<----> > >
<----> > >--===============1695844909==
<----> > >Content-Type: text/plain; charset="us-ascii"
<----> > >MIME-Version: 1.0
<----> > >Content-Transfer-Encoding: 7bit
<----> > >Content-Disposition: inline
<----> > >
<----> > >_______________________________________________
<----> > >Linuxppc-embedded mailing list
<----> > >Linuxppc-embedded@ozlabs.org
<----> > >https://ozlabs.org/mailman/listinfo/linuxppc-embedded
<----> > >--===============1695844909==--
<---->
<----> _________________________________________________________________
<----> 与联机的朋友进行交流，请使用 MSN Messenger: http://messenger.msn.com/cn


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