openXC7 / nextpnr-xilinx

Experimental flows using nextpnr for Xilinx devices
ISC License
36 stars 10 forks source link

nextpnr cant route design, Vivado works - ERROR: timing analysis failed due to presence of combinatorial loops, incomplete specification of timing ports, etc. #40

Open mirekez opened 2 weeks ago

mirekez commented 2 weeks ago

ERROR_timing_analysis_failed_due_to_presence_of_combinatorial_loops_incomplete_specification_of_timing_ports.zip