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Visitor engrjet
Visitor
5,491 Views
Registered: ‎07-31-2012

Virtex6 Configuration Problem

I am using V6LX130T with XCF128 . Generally everything works fine. Platform flash is getting programmed and FPGA is getting configured normally.

 

But when I start in the morning after power on FPGA not getting configured though the PFLASH is already programmed with the mcs.

My observations:

When started for the first time in a day FPGA is not configured.

Then I waited for few minutes sometimes it comes up.

Sometimes after waiting for few minutes if turned off and on again then it comes up.

Once started, For the whole day I could turn off and on as many times I wanted and everytime FPGA got successfully configured.

 

I am unable to understand what is the root cause for not getting configured when I try for the first time. Need Help

 

Thanks in advance

 

 

 

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3 Replies
Visitor engrjet
Visitor
5,456 Views
Registered: ‎07-31-2012

Re: Virtex6 Configuration Problem

I am still not out of this problem. Need somebodys help.

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Teacher eteam00
Teacher
5,452 Views
Registered: ‎07-21-2009

Re: Virtex6 Configuration Problem

I am still not out of this problem. Need somebodys help.

 

Some things to check:

 

  • XCF128 purchased from unreliable channel
  • defective XCF128, or some other component (try another board, check for consistency)
  • marginal power supply or supplies
  • marginal board layout design (poor signal integrity in XCF128 interface signals)
  • configuration settings of FPGA or XCF128 deviate from UG360 recommendations
  • state of INIT_B and DONE pins when configuration fails

-- Bob Elkind

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Xilinx Employee
Xilinx Employee
4,820 Views
Registered: ‎07-23-2012

Re: Virtex6 Configuration Problem

Hi,

I'm wondering if the issue is resolved or not.

Can you please read the status register of the device after the configuration failure? This will give us a clue on what exactly is going wrong.

Regards,
Krishna
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