UPGRADE YOUR BROWSER

We have detected your current browser version is not the latest one. Xilinx.com uses the latest web technologies to bring you the best online experience possible. Please upgrade to a Xilinx.com supported browser:Chrome, Firefox, Internet Explorer 11, Safari. Thank you!

cancel
Showing results for 
Search instead for 
Did you mean: 
7,565 Views
Registered: ‎07-25-2014

kintex fpga ethernet sgmii ip core problem

We are working with two designs

 

1. KINTEX XC7K70T-FBG676 + MARVELL 88E1111 PHY interface: SGMII

 

2. KINTEX XC7K325T-FBG900 + MARVELL 88E1111 PHY interface: SGMII

 

Design 1. is working. The ping is successful without fail while In Design 2, ping takes place randomly. Both designs are implemented in Vivado 2014.1

 

For debugging the internal PCS loopback is turned on. The loopback is successful in case 1 and failed in case 2. What could be the reason? How should I debug the problem?

0 Kudos
2 Replies
Scholar kotir
Scholar
7,554 Views
Registered: ‎02-03-2010

Re: kintex fpga ethernet sgmii ip core problem

Hi ,

 

I would suggest you to cross check the clocks and rests first in the non working design.

 

Regards,

KR

--------------------------------------------------​--------------------------------------------
Kindly note- Please mark the Answer as "Accept as solution" if information provided is helpful.

Give Kudos to a post which you think is helpful.
--------------------------------------------------​-------------------------------------------
0 Kudos
Xilinx Employee
Xilinx Employee
7,527 Views
Registered: ‎02-06-2013

Re: kintex fpga ethernet sgmii ip core problem

Hi

 

Can you provide more details like how are testing the ping response.

 

Is this standalone ethernet loopback at user side design or using upper stack layers build using processor.

 

What do you  mean by  PCS loopback is failed,is the link down or not receiving data properly.

 

You can also refer the debugging  section of PG047 for further  hardware debug suggestions.

 

Regards,

Satish

--------------------------------------------------​--------------------------------------------
Kindly note- Please mark the Answer as "Accept as solution" if information provided is helpful.

Give Kudos to a post which you think is helpful.
--------------------------------------------------​-------------------------------------------
0 Kudos