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[Arch] Bug fix for buffering two-level routing multiplexers using custom cells

This commit is contained in:
tangxifan 2020-12-05 19:37:34 -07:00
parent 3a75e079ba
commit 6039ae92ca
1 changed files with 14 additions and 2 deletions
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16
ARCH/openfpga_arch_template/k4_frac_N8_reset_softadder_register_scan_chain_caravel_io_skywater130nm_customhd_cc_openfpga.xml
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@ -43,6 +43,18 @@
10e-12
</delay_matrix>
</circuit_model>
<circuit_model type="inv_buf" name="sky130_fd_sc_hd__buf_1" prefix="sky130_fd_sc_hd__buf_1" is_default="false" verilog_netlist="${SKYWATER_OPENFPGA_HOME}/PDK/skywater-pdk/libraries/sky130_fd_sc_hd/latest/cells/buf/sky130_fd_sc_hd__buf_1.v">
<design_technology type="cmos" topology="buffer" size="1"/>
<device_technology device_model_name="logic"/>
<port type="input" prefix="in" lib_name="A" size="1"/>
<port type="output" prefix="out" lib_name="X" size="1"/>
<delay_matrix type="rise" in_port="in" out_port="out">
10e-12
</delay_matrix>
<delay_matrix type="fall" in_port="in" out_port="out">
10e-12
</delay_matrix>
</circuit_model>
<circuit_model type="inv_buf" name="sky130_fd_sc_hd__buf_2" prefix="sky130_fd_sc_hd__buf_2" is_default="false" verilog_netlist="${SKYWATER_OPENFPGA_HOME}/PDK/skywater-pdk/libraries/sky130_fd_sc_hd/latest/cells/buf/sky130_fd_sc_hd__buf_2.v">
<design_technology type="cmos" topology="buffer" size="1" num_level="2" f_per_stage="2"/>
<device_technology device_model_name="logic"/>
@ -160,7 +172,7 @@
<circuit_model type="mux" name="mux_2level" prefix="mux_2level" dump_structural_verilog="true">
<design_technology type="cmos" structure="multi_level" num_level="2" add_const_input="true" const_input_val="1" local_encoder="true"/>
<input_buffer exist="false"/>
<output_buffer exist="true" circuit_model_name="sky130_fd_sc_hd__inv_1"/>
<output_buffer exist="true" circuit_model_name="sky130_fd_sc_hd__buf_1"/>
<pass_gate_logic circuit_model_name="TGATE"/>
<port type="input" prefix="in" size="1"/>
<port type="output" prefix="out" size="1"/>
@ -169,7 +181,7 @@
<circuit_model type="mux" name="mux_2level_tapbuf" prefix="mux_2level_tapbuf" dump_structural_verilog="true">
<design_technology type="cmos" structure="multi_level" num_level="2" add_const_input="true" const_input_val="1" local_encoder="true"/>
<input_buffer exist="false"/>
<output_buffer exist="true" circuit_model_name="sky130_fd_sc_hd__inv_4"/>
<output_buffer exist="true" circuit_model_name="sky130_fd_sc_hd__buf_4"/>
<pass_gate_logic circuit_model_name="TGATE"/>
<port type="input" prefix="in" size="1"/>
<port type="output" prefix="out" size="1"/>