From 780dec6b1b2775e0e6f1111643d482ccc22a618b Mon Sep 17 00:00:00 2001 From: tangxifan Date: Tue, 28 Feb 2023 21:46:57 -0800 Subject: [PATCH] [test] add a new test to validate the programmable clock arch --- .../k4_N4_40nm_Ntwk1clk2lvl_cc_openfpga.xml | 197 ++++++++++ .../example_clkntwk_script.openfpga | 75 ++++ .../regression_test_scripts/basic_reg_test.sh | 3 + .../config/clk_arch_1clk_2layer.xml | 17 + .../homo_1clock_2layer/config/task.conf | 47 +++ .../k4_N4_tileable_Ntwk1clk2lvl_40nm.xml | 338 ++++++++++++++++++ 6 files changed, 677 insertions(+) create mode 100644 openfpga_flow/openfpga_arch/k4_N4_40nm_Ntwk1clk2lvl_cc_openfpga.xml create mode 100644 openfpga_flow/openfpga_shell_scripts/example_clkntwk_script.openfpga create mode 100644 openfpga_flow/tasks/basic_tests/clock_network/homo_1clock_2layer/config/clk_arch_1clk_2layer.xml create mode 100644 openfpga_flow/tasks/basic_tests/clock_network/homo_1clock_2layer/config/task.conf create mode 100644 openfpga_flow/vpr_arch/k4_N4_tileable_Ntwk1clk2lvl_40nm.xml diff --git a/openfpga_flow/openfpga_arch/k4_N4_40nm_Ntwk1clk2lvl_cc_openfpga.xml b/openfpga_flow/openfpga_arch/k4_N4_40nm_Ntwk1clk2lvl_cc_openfpga.xml new file mode 100644 index 000000000..398fed3e2 --- /dev/null +++ b/openfpga_flow/openfpga_arch/k4_N4_40nm_Ntwk1clk2lvl_cc_openfpga.xml @@ -0,0 +1,197 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 10e-12 + + + 10e-12 + + + + + + + + + 10e-12 + + + 10e-12 + + + + + + + + + 10e-12 + + + 10e-12 + + + + + + + + + + + + + 10e-12 5e-12 5e-12 + + + 10e-12 5e-12 5e-12 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/openfpga_flow/openfpga_shell_scripts/example_clkntwk_script.openfpga b/openfpga_flow/openfpga_shell_scripts/example_clkntwk_script.openfpga new file mode 100644 index 000000000..112f758fd --- /dev/null +++ b/openfpga_flow/openfpga_shell_scripts/example_clkntwk_script.openfpga @@ -0,0 +1,75 @@ +# Run VPR for the 'and' design +#--write_rr_graph example_rr_graph.xml +vpr ${VPR_ARCH_FILE} ${VPR_TESTBENCH_BLIF} \ + --clock_modeling ideal \ + --device ${OPENFPGA_VPR_DEVICE_LAYOUT} \ + --route_chan_width ${OPENFPGA_VPR_ROUTE_CHAN_WIDTH} + +# Read OpenFPGA architecture definition +read_openfpga_arch -f ${OPENFPGA_ARCH_FILE} + +# Read OpenFPGA simulation settings +read_openfpga_simulation_setting -f ${OPENFPGA_SIM_SETTING_FILE} + +# Read OpenFPGA clock architecture +read_openfpga_clock_arch -f ${OPENFPGA_CLOCK_ARCH_FILE} + +# Append clock network to vpr's routing resource graph +append_clock_rr_graph + +# 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 + +# Route clock based on clock network definition +route_clock_rr_graph + +# Check and correct any naming conflicts in the BLIF netlist +check_netlist_naming_conflict --fix --report ./netlist_renaming.xml + +# 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.bit --format plain_text + +# 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 --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_full_testbench --file ./SRC --reference_benchmark_file_path ${REFERENCE_VERILOG_TESTBENCH} --explicit_port_mapping --include_signal_init --bitstream fabric_bitstream.bit +write_preconfigured_fabric_wrapper --embed_bitstream iverilog --file ./SRC --explicit_port_mapping +write_preconfigured_testbench --file ./SRC --reference_benchmark_file_path ${REFERENCE_VERILOG_TESTBENCH} --explicit_port_mapping + +# Finish and exit OpenFPGA +exit + +# Note : +# To run verification at the end of the flow maintain source in ./SRC directory diff --git a/openfpga_flow/regression_test_scripts/basic_reg_test.sh b/openfpga_flow/regression_test_scripts/basic_reg_test.sh index a8f6c82aa..848941b69 100755 --- a/openfpga_flow/regression_test_scripts/basic_reg_test.sh +++ b/openfpga_flow/regression_test_scripts/basic_reg_test.sh @@ -163,6 +163,9 @@ run-task basic_tests/global_tile_ports/global_tile_reset $@ run-task basic_tests/global_tile_ports/global_tile_4clock $@ run-task basic_tests/global_tile_ports/global_tile_4clock_pin $@ +echo -e "Testing programmable clock architecture"; +run-task basic_tests/clock_network/homo_1clock_2layer $@ + echo -e "Testing configuration chain of a K4N4 FPGA using .blif generated by yosys+verific"; run-task basic_tests/verific_test $@ diff --git a/openfpga_flow/tasks/basic_tests/clock_network/homo_1clock_2layer/config/clk_arch_1clk_2layer.xml b/openfpga_flow/tasks/basic_tests/clock_network/homo_1clock_2layer/config/clk_arch_1clk_2layer.xml new file mode 100644 index 000000000..330da638d --- /dev/null +++ b/openfpga_flow/tasks/basic_tests/clock_network/homo_1clock_2layer/config/clk_arch_1clk_2layer.xml @@ -0,0 +1,17 @@ + + + + + + + + + + + + + + + + + diff --git a/openfpga_flow/tasks/basic_tests/clock_network/homo_1clock_2layer/config/task.conf b/openfpga_flow/tasks/basic_tests/clock_network/homo_1clock_2layer/config/task.conf new file mode 100644 index 000000000..3b0bc7f72 --- /dev/null +++ b/openfpga_flow/tasks/basic_tests/clock_network/homo_1clock_2layer/config/task.conf @@ -0,0 +1,47 @@ +# = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = +# Configuration file for running experiments +# = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = +# timeout_each_job : FPGA Task script splits fpga flow into multiple jobs +# Each job execute fpga_flow script on combination of architecture & benchmark +# timeout_each_job is timeout for each job +# = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = + +[GENERAL] +run_engine=openfpga_shell +power_tech_file = ${PATH:OPENFPGA_PATH}/openfpga_flow/tech/PTM_45nm/45nm.xml +power_analysis = true +spice_output=false +verilog_output=true +timeout_each_job = 20*60 +fpga_flow=yosys_vpr + +[OpenFPGA_SHELL] +openfpga_shell_template=${PATH:OPENFPGA_PATH}/openfpga_flow/openfpga_shell_scripts/example_clkntwk_script.openfpga +openfpga_arch_file=${PATH:OPENFPGA_PATH}/openfpga_flow/openfpga_arch/k4_N4_40nm_Ntwk1clk2lvl_cc_openfpga.xml +openfpga_clock_arch_file=${TASK_DIR}/config/clk_arch_1clk_2layer.xml +openfpga_sim_setting_file=${PATH:OPENFPGA_PATH}/openfpga_flow/openfpga_simulation_settings/auto_sim_openfpga.xml +openfpga_vpr_device_layout=2x2 +openfpga_vpr_route_chan_width=20 + +[ARCHITECTURES] +arch0=${PATH:OPENFPGA_PATH}/openfpga_flow/vpr_arch/k4_N4_tileable_Ntwk1clk2lvl_40nm.xml + +[BENCHMARKS] +#bench0=${PATH:OPENFPGA_PATH}/openfpga_flow/benchmarks/micro_benchmark/and2/and2.v +#bench1=${PATH:OPENFPGA_PATH}/openfpga_flow/benchmarks/micro_benchmark/or2/or2.v +bench2=${PATH:OPENFPGA_PATH}/openfpga_flow/benchmarks/micro_benchmark/and2_latch/and2_latch.v + +[SYNTHESIS_PARAM] +bench_read_verilog_options_common = -nolatches +bench0_top = and2 +bench0_chan_width = 300 + +bench1_top = or2 +bench1_chan_width = 300 + +bench2_top = and2_latch +bench2_chan_width = 300 + +[SCRIPT_PARAM_MIN_ROUTE_CHAN_WIDTH] +end_flow_with_test= +vpr_fpga_verilog_formal_verification_top_netlist= diff --git a/openfpga_flow/vpr_arch/k4_N4_tileable_Ntwk1clk2lvl_40nm.xml b/openfpga_flow/vpr_arch/k4_N4_tileable_Ntwk1clk2lvl_40nm.xml new file mode 100644 index 000000000..586cae9b7 --- /dev/null +++ b/openfpga_flow/vpr_arch/k4_N4_tileable_Ntwk1clk2lvl_40nm.xml @@ -0,0 +1,338 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + io.outpad io.inpad + io.outpad io.inpad + io.outpad io.inpad + io.outpad io.inpad + + + + + + + + + + + + + + + + clb.clk + clb.I[0:4] clb.O[0:1] + clb.I[5:9] clb.O[2:3] + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 1 1 1 1 1 + 1 1 1 1 + + + + 1 1 1 1 1 + 1 1 1 1 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 261e-12 + 261e-12 + 261e-12 + 261e-12 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +