RE: RE : Some questions about the Xilinx Temac driver.

Ming Liu Fri, 01 Dec 2006 06:21:08 -0800

Dear Chris,

Thanks for your telling. I have seen that guidance. But I think that isspecific for the MontaVista linux. In that guidance, it just says to copythe generated directories and files into the kernel tree and then configureand make zImage. However it doesn't work for my 2.6.16 kernel.Any other idea on how to implement such an EDK-generated BSP in the kernellike mine? Thanks for any suggestion.


BR
Ming

From: "alayrac" <[EMAIL PROTECTED]>
To: "'Ming Liu'" <[EMAIL PROTECTED]>,<[EMAIL PROTECTED]>
CC: <linuxppc-embedded@ozlabs.org>
Subject: RE : Some questions about the Xilinx Temac driver.
Date: Thu, 30 Nov 2006 18:14:43 +0100

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

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<----> -----Message d'origine-----
<----> De : linuxppc-embedded-
<----> [EMAIL PROTECTED] [mailto:linuxppc-
<----> [EMAIL PROTECTED] De la
<----> part de Ming Liu
<----> Envoy茅 : jeudi 30 novembre 2006 17:37
<----> �� : [EMAIL PROTECTED]
<----> 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 <[EMAIL PROTECTED]>
<----> >Reply-To: Michael Galassi <[EMAIL PROTECTED]>
<----> >To: "Ming Liu" <[EMAIL PROTECTED]>
<----> >CC: [EMAIL PROTECTED], 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
<----> > >

<----> >_________________________________________________________________

<----> > >���璐逛��杞� MSN Explorer:   http://explorer.msn.com/lccn/
<----> > >
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<----> > >Linuxppc-embedded@ozlabs.org
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RE: RE : Some questions about the Xilinx Temac driver.

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