# SPDX-FileCopyrightText: 2020 Efabless Corporation # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # SPDX-License-Identifier: Apache-2.0 set script_dir [file dirname [file normalize [info script]]] set ::env(DESIGN_NAME) caravel_clocking set ::env(DESIGN_IS_CORE) 1 set ::env(VERILOG_FILES) "\ $script_dir/../../verilog/rtl/defines.v\ $script_dir/../../verilog/rtl/clock_div.v\ $script_dir/../../verilog/rtl/caravel_clocking.v" set ::env(CLOCK_PORT) "ext_clk" set ::env(CLOCK_NET) "ext_clk core_clk pll_clk pll_clk90" set ::env(ROUTING_CORES) "6" set ::env(RUN_KLAYOUT) 0 ## Synthesis set ::env(SYNTH_STRATEGY) "DELAY 0" set ::env(CLOCK_TREE_SYNTH) 1 set ::env(BASE_SDC_FILE) $script_dir/base.sdc set ::env(NO_SYNTH_CELL_LIST) $script_dir/no_synth.list ## Floorplan set ::env(FP_SIZING) absolute set ::env(DIE_AREA) "0 0 100 60" set ::env(FP_PIN_ORDER_CFG) $::env(DESIGN_DIR)/pin_order.cfg set ::env(FP_TAPCELL_DIST) 6 set ::env(LEFT_MARGIN_MULT) 0 set ::env(BOTTOM_MARGIN_MULT) 0 set ::env(TOP_MARGIN_MULT) "2" set ::env(CELL_PAD) 0 ## PDN set ::env(FP_PDN_HPITCH) 16.9 set ::env(FP_PDN_VPITCH) 15.5 ## Placement set ::env(PL_TARGET_DENSITY) 0.74 set ::env(PL_RESIZER_TIMING_OPTIMIZATIONS) 1 set ::env(PL_RESIZER_DESIGN_OPTIMIZATIONS) 1 set ::env(GLB_RESIZER_HOLD_SLACK_MARGIN) 0.25 ## Routing set ::env(GLB_RT_ADJUSTMENT) 0 set ::env(GLB_RT_MINLAYER) 2 set ::env(GLB_RT_MAXLAYER) 6 # prevent signal routing on li1 set ::env(GLB_RT_OBS) "\ li1 0 54.64000 100.0 60,\ li1 94.29500 0 100 60" set ::env(GLB_RESIZER_TIMING_OPTIMIZATIONS) 0 ## Diode Insertion set ::env(DIODE_INSERTION_STRATEGY) 4