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
>
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