Subject: Re: EDK10.1 and emaclite

From: Georg Schardt <[email-masked]>
Date: Tue, 09 Sep 2008 10:59:56 +0200

sorry for the self-reply, but pinging from the minimodul increases the 
interrupts :-)
can you tell me the changes in the driver file ?

thanks
georg

Georg Schardt wrote:
> Hi Neeraj Garg,
>> First look at ethernet interface RJ45 connector that power is coming, 
>> LED should blink.
> Yes, LEDs are blinking, an if a cable is connected the link leds are 
> on. while pinging from the host pc the traffic led in front of the 
> jack is blinking also
>>
>> 1) check whether IRQ is right, its zero in your case. If it is right 
>> then issue ping and read interrupts arriving on your ethernet 
>> interface (cat /proc/interrupts), If number of interrupts are 
>> increasing then its sure that your PHY is ok , the problem is with 
>> mode selection (10 MBPS, or 100 MBPS) if that is the issue let me 
>> know , I'll tell you where to make changes in driver files.
> no interrupts on eth0:
>  0:          0  Xilinx Interrupt Controller Edge      eth0
>  1:        889  Xilinx Interrupt Controller Level     serial
>
>>
>> 2) If nothing of the above works then there is problem with PHY 
>> address detection. You have to look in hardware specification (your 
>> hardware board ) to find out PHY address.
> Yes, i will try this. i use this board with the edk 8.2 a year ago. 
> with this edk version the emaclite was working fine. but in this 
> project there was an ip core "Hard Temac" this is missing now. i think 
> i have an error in my edk project.
>
> regards
> georg
>>
>>
>> -------------------------------------------------------------------
>> Neeraj Garg
>>
>>
>>   Georg Schardt wrote:
>>> Hi again,
>>>
>>> mmh, there is no kernel message with PHY detection, but all PHY 
>>> drivers are compiled in.
>>> i looked at my xps project and there is only one ip-core 
>>> "Ethernet_MAC" with type "xps_ethernetlite".
>>> is it possible that the phy connection is missing ? i use the base 
>>> system builder with the board support files supported from avnet.
>>>
>>> where can i look for the ethernet speed ? the ethernetlite ip has no 
>>> speed options
>>>
>>> thanks for your help
>>> georg
>>>
>>> Neeraj Garg wrote:
>>>> Hi Georg,
>>>>
>>>> Can you post linux bootup message where its says PHY is detected at 
>>>> paticular address, and check with your hardware what is actual 
>>>> address of PHY. Also I would like to know the configuration of your 
>>>> hardware whether its configured of 10MBPS OR 100MBPS.
>>>>
>>>>
>>>> ------------------------------------------------------------------------------------------ 
>>>>
>>>> -- 
>>>> Neeraj Garg
>>>>
>>>>
>>>>
>>>> Message: 3
>>>> Date: Mon, 08 Sep 2008 18:29:53 +0200
>>>> From: Georg Schardt <[email-masked]>
>>>> Subject: EDK10.1 and emaclite
>>>> To: [email-masked]
>>>> Message-ID: <[email-masked]>
>>>> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>>>>
>>>> Hi all,
>>>>
>>>> im trying to use the emaclite core which comes with the EDK10.1 
>>>> with the 2.6.26 kernel from git.xilinx.com on virtex4fx12 
>>>> minimodul. the emac is detect by the kernel:
>>>>
>>>> xilinx_emaclite xilinx_emaclite.0: MAC address is now  2: 0: 0: 0: 
>>>> 0: 0
>>>> xilinx_emaclite xilinx_emaclite.0: using fifo mode.
>>>> xilinx_emaclite xilinx_emaclite.0: Xilinx EMACLite at 0x81000000 
>>>> mapped to 0xC5060000, irq=0
>>>>
>>>> i can change the mac-address with ifconfig and i can give an 
>>>> ip-address to the device,
>>>> but a ping is not possible and arp is not working. i think that the 
>>>> phy is not working right.
>>>>
>>>> has someone others the same problem ? what can i changed ? i have 
>>>> tried out all possible phy driver in the linux  kernel
>>>>
>>>> a setup with the lltemac is working fine, but i want to use the 
>>>> emaclite
>>>>
>>>> thanks
>>>> regards
>>>> georg
>>>>
>
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