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AR# 63129

2014.3 Partial Reconfiguration - False DRC HDPR-45 critical warning is issued in the example design of (UG947)


In the example design of the partial reconfiguration tutorial (UG947), when I run a DRC check for HDPR, I receive the critical DRC warning HDPR-45.

report_drc -checks [get_drc_checks HDPR*]

Critical warning message:

HDPR-45#1 Critical Warning
Reconfig Pblock should range all grid types covered by the Pblock rectangles 
The Pblock for Reconfigurable cell 'inst_shift' spans site types that are not included in the Pblock range. To ensure routability, it is strongly recommended that the following ranged sites to be included in the Pblock:

However, the pblock in question does NOT span any DSP48 resource types, only CLB and BRAM. 

Even with an optimal pblock (one column each of CLB and BRAM) this critical warning is displayed.



This critical DRC warning is false and can be ignored safely.

This issue is fixed in the 2014.4 release of Vivado Design Suite.


AR# 63129
Date 02/24/2015
Status Archive
Type General Article
  • Vivado Design Suite - 2014.3
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