I see that the ENBWREN pin of an RAMB36E1 has had its connectivity changed by phys_opt_design, causing the BRAM to have a functional error.
How can I resolve this issue?
This issue is resolved in Vivado 2016.3. For Vivado versions prior to 2016.3, one of the following work-arounds can be used:
1) Add the following to the Tcl script of the tcl.pre option of phys_opt_design:
2) Add DONT_TOUCH constraints on the affected BRAMs:
The attached script can be used to detect whether there is an issue in an existing design.
To use it, just source it on the DCP after phys_opt_design.
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