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robertzab
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1 hour ago

Agilex 5 – Critical HSSI Error in JESD204B Example Design

Hi,
I am bringing up the JESD204B interface on the dev kit.
For this, I used the "Generate Example Design" option with the following parameters:



When I generate the project and start synthesis, it reaches the "HSSI Support Logic Generation" stage, and Quartus reports the following critical error:

 

It turns out that the generated file
contains an inconsistency in the generated HSSI metadata.

 

My fix was to replace the entry in:

 

The problem is that after updating the Qsys file, it gets changed back to intel_jesd_RX, and HSSI reports the critical error again.
If there is already a fix or workaround for this issue, please let me know.
For now, I added a simple script that I run from PowerShell:


that replaces this value with the correct one:

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