WIP digitalcore macro. Doesn't harden yet
diff --git a/openlane/digitalcore_macro/base.sdc b/openlane/digitalcore_macro/base.sdc new file mode 100644 index 0000000..28171c8 --- /dev/null +++ b/openlane/digitalcore_macro/base.sdc
@@ -0,0 +1,31 @@ + +if {[info exists ::env(CLOCK_PORT)] && $::env(CLOCK_PORT) != ""} { + create_clock [get_ports $::env(CLOCK_PORT)] -name $::env(CLOCK_PORT) -period $::env(CLOCK_PERIOD) +} else { + create_clock -name VIRTUAL_CLK -period $::env(CLOCK_PERIOD) + set ::env(CLOCK_PORT) VIRTUAL_CLK +} +set input_delay_value [expr $::env(CLOCK_PERIOD) * $::env(IO_PCT)] +set output_delay_value [expr $::env(CLOCK_PERIOD) * $::env(IO_PCT)] +puts "\[INFO\]: Setting output delay to: $output_delay_value" +puts "\[INFO\]: Setting input delay to: $input_delay_value" + +set_max_fanout $::env(SYNTH_MAX_FANOUT) [current_design] + +set clk_indx [lsearch [all_inputs] [get_port $::env(CLOCK_PORT)]] +#set rst_indx [lsearch [all_inputs] [get_port resetn]] +set all_inputs_wo_clk [lreplace [all_inputs] $clk_indx $clk_indx] +#set all_inputs_wo_clk_rst [lreplace $all_inputs_wo_clk $rst_indx $rst_indx] +set all_inputs_wo_clk_rst $all_inputs_wo_clk + + +# correct resetn +set_input_delay $input_delay_value -clock [get_clocks $::env(CLOCK_PORT)] $all_inputs_wo_clk_rst +#set_input_delay 0.0 -clock [get_clocks $::env(CLOCK_PORT)] {resetn} +set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [all_outputs] + +# TODO set this as parameter +set_driving_cell -lib_cell $::env(SYNTH_DRIVING_CELL) -pin $::env(SYNTH_DRIVING_CELL_PIN) [all_inputs] +set cap_load [expr $::env(SYNTH_CAP_LOAD) / 1000.0] +puts "\[INFO\]: Setting load to: $cap_load" +set_load $cap_load [all_outputs]
diff --git a/openlane/digitalcore_macro/config.tcl b/openlane/digitalcore_macro/config.tcl new file mode 100755 index 0000000..8f6a898 --- /dev/null +++ b/openlane/digitalcore_macro/config.tcl
@@ -0,0 +1,52 @@ +# 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) digitalcore_macro + +set ::env(VERILOG_FILES) "\ + $::env(CARAVEL_ROOT)/verilog/rtl/defines.v \ + $script_dir/../../ip/randsack/dtop.v" + +set ::env(DESIGN_IS_CORE) 0 + +set ::env(BASE_SDC_FILE) "$script_dir/base.sdc" + +set ::env(CLOCK_PORT) "wb_clk_i" +# set ::env(CLOCK_NET) "counter.clk" +set ::env(CLOCK_PERIOD) "10" + +set ::env(FP_SIZING) absolute +set ::env(DIE_AREA) "0 0 1000 1000" + +set ::env(FP_PIN_ORDER_CFG) $script_dir/pin_order.cfg + +set ::env(PL_BASIC_PLACEMENT) 1 +set ::env(PL_TARGET_DENSITY) 0.3 + +# 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 + +# 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) 1
diff --git a/openlane/digitalcore_macro/pin_order.cfg b/openlane/digitalcore_macro/pin_order.cfg new file mode 100644 index 0000000..2fda806 --- /dev/null +++ b/openlane/digitalcore_macro/pin_order.cfg
@@ -0,0 +1,10 @@ +#BUS_SORT + +#S +wb_.* +wbs_.* +la_.* +irq.* + +#N +io_.*