blob: 24b8c328b619b6b312ef9c374c90546b771214e8 [file] [log] [blame]
# 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 ::env(PDK) "sky130A"
set ::env(STD_CELL_LIBRARY) "sky130_fd_sc_hd"
set script_dir [file dirname [file normalize [info script]]]
set ::env(DESIGN_NAME) user_proj_example
set ::env(VERILOG_FILES) "\
$::env(CARAVEL_ROOT)/verilog/rtl/defines.v \
$script_dir/../../verilog/rtl/user_proj_example.v"
set ::env(DESIGN_IS_CORE) 0
set ::env(CLOCK_PORT) "wb_clk_i"
set ::env(CLOCK_NET) "rng_chaos.clk"
set ::env(CLOCK_PERIOD) "20"
set ::env(FP_SIZING) absolute
set ::env(DIE_AREA) "0 0 900 600"
set ::env(FP_PIN_ORDER_CFG) $script_dir/pin_order.cfg
set ::env(PL_BASIC_PLACEMENT) 1
set ::env(PL_TARGET_DENSITY) 0.05
# Maximum layer used for routing is metal 4.
# This is because this macro will be inserted in a top level (user_project_wrapper)
# where the PDN is planned on metal 5. So, to avoid having shorts between routes
# in this macro and the top level metal 5 stripes, we have to restrict routes to metal4.
#
# set ::env(GLB_RT_MAXLAYER) 5
set ::env(RT_MAX_LAYER) {met4}
# You can draw more power domains if you need to
set ::env(VDD_NETS) [list {vccd1}]
set ::env(GND_NETS) [list {vssd1}]
set ::env(DIODE_INSERTION_STRATEGY) 4
# If you're going to use multiple power domains, then disable cvc run.
set ::env(RUN_CVC) 0
set ::env(SYNTH_USE_PG_PINS_DEFINES) "USE_POWER_PINS"
##################################################################
# Placement
##################################################################
set ::env(PL_BASIC_PLACEMENT) 0
set ::env(PL_TARGET_DENSITY) 0.30
set ::env(PL_TIME_DRIVEN) 0
set ::env(PL_ROUTABILITY_DRIVEN) 1
set ::env(PL_MAX_DISPLACEMENT_X) 600
set ::env(PL_MAX_DISPLACEMENT_Y) 400
set ::env(CELL_PAD) 4
set ::env(PL_RESIZER_DESIGN_OPTIMIZATIONS) 1
set ::env(PL_RESIZER_TIMING_OPTIMIZATIONS) 1
set ::env(PL_RESIZER_SETUP_MAX_BUFFER_PERCENT) 30
set ::env(PL_RESIZER_HOLD_MAX_BUFFER_PERCENT) 70
set ::env(PL_RESIZER_ALLOW_SETUP_VIOS) 1
set ::env(PL_RESIZER_HOLD_SLACK_MARGIN) 0.2
set ::env(PL_RESIZER_MAX_WIRE_LENGTH) 300