Merge pull request #127 from LNIS-Projects/dev

Bug fix for global clock port using physical tile pins

openfpga_flow/OpenFPGAShellScripts/global_tile_clock_example_script.openfpga

@@ -0,0 +1,76 @@
+# Run VPR for the 'and' design
+# When the global clock is defined as a port of a tile, clock routing in VPR should be skipped
+# This is due to the Fc_in of clock port is set to 0 for global wiring
+#--write_rr_graph example_rr_graph.xml
+vpr ${VPR_ARCH_FILE} ${VPR_TESTBENCH_BLIF}
+
+# Read OpenFPGA architecture definition
+read_openfpga_arch -f ${OPENFPGA_ARCH_FILE}
+
+# Read OpenFPGA simulation settings
+read_openfpga_simulation_setting -f ${OPENFPGA_SIM_SETTING_FILE}
+
+# Annotate the OpenFPGA architecture to VPR data base
+# to debug use --verbose options
+link_openfpga_arch --activity_file ${ACTIVITY_FILE} --sort_gsb_chan_node_in_edges
+
+# Check and correct any naming conflicts in the BLIF netlist
+check_netlist_naming_conflict --fix --report ./netlist_renaming.xml
+
+# Apply fix-up to clustering nets based on routing results
+pb_pin_fixup --verbose
+
+# Apply fix-up to Look-Up Table truth tables based on packing results
+lut_truth_table_fixup
+
+# Build the module graph
+#  - Enabled compression on routing architecture modules
+#  - Enable pin duplication on grid modules
+build_fabric --compress_routing #--verbose
+
+# Write the fabric hierarchy of module graph to a file
+# This is used by hierarchical PnR flows
+write_fabric_hierarchy --file ./fabric_hierarchy.txt
+
+# Repack the netlist to physical pbs
+# This must be done before bitstream generator and testbench generation
+# Strongly recommend it is done after all the fix-up have been applied
+repack #--verbose
+
+# Build the bitstream
+#  - Output the fabric-independent bitstream to a file
+build_architecture_bitstream --verbose --write_file fabric_independent_bitstream.xml
+
+# Build fabric-dependent bitstream
+build_fabric_bitstream --verbose
+
+# Write fabric-dependent bitstream
+write_fabric_bitstream --file fabric_bitstream.xml --format xml
+
+# Write the Verilog netlist for FPGA fabric
+#  - Enable the use of explicit port mapping in Verilog netlist
+write_fabric_verilog --file ./SRC --explicit_port_mapping --include_timing --include_signal_init --support_icarus_simulator --print_user_defined_template --verbose
+
+# Write the Verilog testbench for FPGA fabric
+#  - We suggest the use of same output directory as fabric Verilog netlists
+#  - Must specify the reference benchmark file if you want to output any testbenches
+#  - Enable top-level testbench which is a full verification including programming circuit and core logic of FPGA
+#  - Enable pre-configured top-level testbench which is a fast verification skipping programming phase
+#  - Simulation ini file is optional and is needed only when you need to interface different HDL simulators using openfpga flow-run scripts
+write_verilog_testbench --file ./SRC --reference_benchmark_file_path ${REFERENCE_VERILOG_TESTBENCH} --print_top_testbench --print_preconfig_top_testbench --print_simulation_ini ./SimulationDeck/simulation_deck.ini --explicit_port_mapping
+
+# Write the SDC files for PnR backend
+#  - Turn on every options here
+write_pnr_sdc --file ./SDC
+
+# Write SDC to disable timing for configure ports
+write_sdc_disable_timing_configure_ports --file ./SDC/disable_configure_ports.sdc
+
+# Write the SDC to run timing analysis for a mapped FPGA fabric
+write_analysis_sdc --file ./SDC_analysis
+
+# Finish and exit OpenFPGA
+exit
+
+# Note :
+# To run verification at the end of the flow maintain source in ./SRC directory

openfpga_flow/tasks/basic_tests/global_tile_ports/global_tile_clock/config/task.conf

@@ -16,7 +16,7 @@ timeout_each_job = 20*60
 fpga_flow=yosys_vpr
 
 [OpenFPGA_SHELL]
-openfpga_shell_template=${PATH:OPENFPGA_PATH}/openfpga_flow/OpenFPGAShellScripts/configuration_chain_example_script.openfpga
+openfpga_shell_template=${PATH:OPENFPGA_PATH}/openfpga_flow/OpenFPGAShellScripts/global_tile_clock_example_script.openfpga
 openfpga_arch_file=${PATH:OPENFPGA_PATH}/openfpga_flow/openfpga_arch/k4_N4_40nm_GlobalTileClk_cc_openfpga.xml
 openfpga_sim_setting_file=${PATH:OPENFPGA_PATH}/openfpga_flow/openfpga_simulation_settings/auto_sim_openfpga.xml
 
@@ -25,10 +25,14 @@ arch0=${PATH:OPENFPGA_PATH}/openfpga_flow/vpr_arch/k4_N4_tileable_GlobalTileClk_
 
 [BENCHMARKS]
 bench0=${PATH:OPENFPGA_PATH}/openfpga_flow/benchmarks/micro_benchmark/and2/and2.v
+bench1=${PATH:OPENFPGA_PATH}/openfpga_flow/benchmarks/micro_benchmark/and2_latch/and2_latch.v
 
 [SYNTHESIS_PARAM]
 bench0_top = and2
 bench0_chan_width = 300
 
+bench1_top = and2_latch
+bench1_chan_width = 300
+
 [SCRIPT_PARAM_MIN_ROUTE_CHAN_WIDTH]
 end_flow_with_test=