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Altera_Forum
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9 years ago

PRESERVE_UNUSED_XCVR_CHANNEL persisting critical warning

Hello, I'm using Quartus 16.0.1 Prime and I'm using the Arria10 FPGA. (DEVICE=10AX115U4F45E3SGE3). When compiling a design without RX/TX channels I always get this critical warning: Criti...
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Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

I just installed 16.0.1 and included the following in the .qsf file:

set_instance_assignment -name PRESERVE_UNUSED_XCVR_CHANNEL ON

I now get the following messages from the fitter:

Info (17952): Global preservation of unused RX channels is enabled. Preserving 48 unused RX channel location(s).

Info (18653): Global preservation of unused TX channels is enabled. Preserving 48 unused TX channel location(s).

Info (17953): Preserved 48 unused RX channel(s).

Info (18654): Preserved 48 unused TX channel(s).

This is targeting ES2 silicon on the Arria 10 SoC dev kit.

Bob