##################################################################### # A template script to report timing for A CLB from post-PnR results # using Synopsys PrimeTime ##################################################################### ################################## # Ensure a clean start remove_design -all remove_lib -all ################################## # Define environment variables set SKYWATER_PDK_HOME "../../PDK/skywater-pdk"; set FPGA_NETLIST_HOME "../../FPGA1212_SOFA_HD_PNR/fpga_top"; set SDC_HOME "../../SDC/k4_N8_caravel_io_FPGA_12x12_fdhd_cc"; set DEVICE_NAME "SOFA" set TIMING_REPORT_HOME "../TIMING_REPORTS/"; # Enable preprocessing in Verilog parser set_app_var svr_enable_vpp true # Enable reporting ALL the timing paths even those are NOT constrained set_app_var timing_report_unconstrained_paths tr set search_path ". * ${SKYWATER_PDK_HOME}/vendor/synopsys/PlaceRoute/sky130_fd_sc_hd/db_nldm" set link_path "* sky130_fd_sc_hd__tt_025C_1v80.db" set FPGA_NETLIST_FILES "fpga_top_icv_in_design.pt.v" ################################## # Read timing libraries read_db "${SKYWATER_PDK_HOME}/vendor/synopsys/PlaceRoute/sky130_fd_sc_hd/db_nldm/sky130_fd_sc_hd__tt_025C_1v80.db" ################################## # Read post-PnR netlists read_verilog ${FPGA_NETLIST_HOME}/${FPGA_NETLIST_FILES} # Top-level module name # May sweep for all the io modules set DESIGN_NAME "cbx_1__0__logical_tile_io_mode_physical__iopad_0"; link_design ${DESIGN_NAME} ######################################### # Setup constraints to break combinational loops set_disable_timing mem*/sky*_fd_sc_hd__dfxtp_*_*_/Q # ########################################## ## Setup constraints for clocks ########################################## ## Setup constraints for paths ################################## # Read post-PnR parasitics read_parasitics ${FPGA_NETLIST_HOME}/fpga_top_icv_in_design.nominal_25.spef ################################## # Report timing of Connect block # Inpad -> FPGA timing report_timing -from gfpga_pad_EMBEDDED_IO_HD_SOC_IN -to iopad_inpad > ${TIMING_REPORT_HOME}/${DEVICE_NAME}_${DESIGN_NAME}_timing.rpt report_timing -from iopad_outpad -to gfpga_pad_EMBEDDED_IO_HD_SOC_OUT >> ${TIMING_REPORT_HOME}/${DEVICE_NAME}_${DESIGN_NAME}_timing.rpt ################################## # Finish and quit # Comment it out if you want to debug exit