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Altera_Forum
Honored Contributor I
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PCIE link training fails. host doesn't send TS1/TS2 order set after reset.

device Arria 10 660  

The PCIE core and PHY are generated together using Quarters. 

 

We use PCIE analyzer adapter card to capture the training sequence. The host has never sent out TS1/TS2. The LTSSM state jumps between 0,1,2.  

It seems that the host has never detected our device so it keeps silence. But we checks the board connection and IO assignment. We can't find anything wrong so far.  

Could someone give me some hint? thanks
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