| # SPDX-FileCopyrightText: 2021 , Dinesh Annayya |
| # |
| # 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 |
| # SPDX-FileContributor: Modified by Dinesh Annayya <dinesha@opencores.org> |
| |
| |
| set_units -time ns |
| set ::env(WBM_CLOCK_PERIOD) "10" |
| set ::env(WBM_CLOCK_PORT) "wbm_clk_i" |
| set ::env(WBM_CLOCK_NAME) "wbm_clk_i" |
| |
| set ::env(WBS_CLOCK_PERIOD) "10" |
| set ::env(WBS_CLOCK_PORT) "wbs_clk_i" |
| set ::env(WBS_CLOCK_NAME) "wbs_clk_i" |
| |
| ###################################### |
| # WB Clock domain input output |
| ###################################### |
| create_clock [get_ports $::env(WBM_CLOCK_PORT)] -name $::env(WBM_CLOCK_PORT) -period $::env(WBM_CLOCK_PERIOD) |
| create_clock [get_ports $::env(WBS_CLOCK_PORT)] -name $::env(WBS_CLOCK_PORT) -period $::env(WBS_CLOCK_PERIOD) |
| |
| |
| set wb_input_max_delay_value [expr $::env(WBM_CLOCK_PERIOD) * 0.6] |
| set wb_input_min_delay_value [expr $::env(WBM_CLOCK_PERIOD) * 0.2] |
| set wb_output_max_delay_value [expr $::env(WBM_CLOCK_PERIOD) * 0.5] |
| set wb_output_min_delay_value [expr $::env(WBM_CLOCK_PERIOD) * 0.1] |
| puts "\[INFO\]: Setting wb output delay Max:$wb_output_max_delay_value Min: $wb_input_min_delay_value" |
| puts "\[INFO\]: Setting wb input delay Max: $wb_output_max_delay_value Min: $wb_output_min_delay_value" |
| |
| ############ WBM_CLOCK_PORT Domain ############################################### |
| set_input_delay -max $wb_input_max_delay_value -clock [get_clocks $::env(WBM_CLOCK_PORT)] {wbm_rst_i} |
| set_input_delay -max $wb_input_max_delay_value -clock [get_clocks $::env(WBM_CLOCK_PORT)] [get_port wbm_cyc_i*] |
| set_input_delay -max $wb_input_max_delay_value -clock [get_clocks $::env(WBM_CLOCK_PORT)] [get_port wbm_stb_i*] |
| set_input_delay -max $wb_input_max_delay_value -clock [get_clocks $::env(WBM_CLOCK_PORT)] [get_port wbm_adr_i*] |
| set_input_delay -max $wb_input_max_delay_value -clock [get_clocks $::env(WBM_CLOCK_PORT)] [get_port wbm_we_i*] |
| set_input_delay -max $wb_input_max_delay_value -clock [get_clocks $::env(WBM_CLOCK_PORT)] [get_port wbm_dat_i*] |
| set_input_delay -max $wb_input_max_delay_value -clock [get_clocks $::env(WBM_CLOCK_PORT)] [get_port wbm_sel_i*] |
| |
| |
| set_input_delay -min $wb_input_min_delay_value -clock [get_clocks $::env(WBM_CLOCK_PORT)] {wbm_rst_i} |
| set_input_delay -min $wb_input_min_delay_value -clock [get_clocks $::env(WBM_CLOCK_PORT)] [get_port wbm_cyc_i*] |
| set_input_delay -min $wb_input_min_delay_value -clock [get_clocks $::env(WBM_CLOCK_PORT)] [get_port wbm_stb_i*] |
| set_input_delay -min $wb_input_min_delay_value -clock [get_clocks $::env(WBM_CLOCK_PORT)] [get_port wbm_adr_i*] |
| set_input_delay -min $wb_input_min_delay_value -clock [get_clocks $::env(WBM_CLOCK_PORT)] [get_port wbm_we_i*] |
| set_input_delay -min $wb_input_min_delay_value -clock [get_clocks $::env(WBM_CLOCK_PORT)] [get_port wbm_dat_i*] |
| set_input_delay -min $wb_input_min_delay_value -clock [get_clocks $::env(WBM_CLOCK_PORT)] [get_port wbm_sel_i*] |
| |
| |
| |
| set_output_delay -max $wb_output_max_delay_value -clock [get_clocks $::env(WBM_CLOCK_PORT)] [get_port wbm_dat_o*] |
| set_output_delay -max $wb_output_max_delay_value -clock [get_clocks $::env(WBM_CLOCK_PORT)] [get_port wbm_ack_o*] |
| set_output_delay -max $wb_output_max_delay_value -clock [get_clocks $::env(WBM_CLOCK_PORT)] [get_port wbm_err_o*] |
| |
| set_output_delay -min $wb_output_min_delay_value -clock [get_clocks $::env(WBM_CLOCK_PORT)] [get_port wbm_dat_o*] |
| set_output_delay -min $wb_output_min_delay_value -clock [get_clocks $::env(WBM_CLOCK_PORT)] [get_port wbm_ack_o*] |
| set_output_delay -min $wb_output_min_delay_value -clock [get_clocks $::env(WBM_CLOCK_PORT)] [get_port wbm_err_o*] |
| |
| |
| ############ WBS_CLOCK_PORT Domain ############################################### |
| set_input_delay -max $wb_input_max_delay_value -clock [get_clocks $::env(WBS_CLOCK_PORT)] [get_port wbs_dat_i*] |
| set_input_delay -max $wb_input_max_delay_value -clock [get_clocks $::env(WBS_CLOCK_PORT)] [get_port wbs_ack_i*] |
| |
| set_output_delay -max $wb_output_max_delay_value -clock [get_clocks $::env(WBS_CLOCK_PORT)] [get_port wbs_cyc_o*] |
| set_output_delay -max $wb_output_max_delay_value -clock [get_clocks $::env(WBS_CLOCK_PORT)] [get_port wbs_stb_o*] |
| set_output_delay -max $wb_output_max_delay_value -clock [get_clocks $::env(WBS_CLOCK_PORT)] [get_port wbs_adr_o*] |
| set_output_delay -max $wb_output_max_delay_value -clock [get_clocks $::env(WBS_CLOCK_PORT)] [get_port wbs_we_o*] |
| set_output_delay -max $wb_output_max_delay_value -clock [get_clocks $::env(WBS_CLOCK_PORT)] [get_port wbs_dat_o*] |
| set_output_delay -max $wb_output_max_delay_value -clock [get_clocks $::env(WBS_CLOCK_PORT)] [get_port wbs_sel_o*] |
| |
| set_output_delay -min $wb_output_min_delay_value -clock [get_clocks $::env(WBS_CLOCK_PORT)] [get_port wbs_cyc_o*] |
| set_output_delay -min $wb_output_min_delay_value -clock [get_clocks $::env(WBS_CLOCK_PORT)] [get_port wbs_stb_o*] |
| set_output_delay -min $wb_output_min_delay_value -clock [get_clocks $::env(WBS_CLOCK_PORT)] [get_port wbs_adr_o*] |
| set_output_delay -min $wb_output_min_delay_value -clock [get_clocks $::env(WBS_CLOCK_PORT)] [get_port wbs_we_o*] |
| set_output_delay -min $wb_output_min_delay_value -clock [get_clocks $::env(WBS_CLOCK_PORT)] [get_port wbs_dat_o*] |
| set_output_delay -min $wb_output_min_delay_value -clock [get_clocks $::env(WBS_CLOCK_PORT)] [get_port wbs_sel_o*] |
| |
| # WBM and WBS are async to each other |
| set_clock_groups -name async_clock -asynchronous -comment "Async Clock group" -group [get_clocks $::env(WBM_CLOCK_PORT)] -group [get_clocks $::env(WBS_CLOCK_NAME)] |
| |
| set_clock_uncertainty -from $::env(WBM_CLOCK_NAME) -to $::env(WBM_CLOCK_NAME) -setup 0.200 |
| set_clock_uncertainty -from $::env(WBS_CLOCK_NAME) -to $::env(WBS_CLOCK_NAME) -setup 0.200 |
| |
| set_clock_uncertainty -from $::env(WBM_CLOCK_NAME) -to $::env(WBM_CLOCK_NAME) -hold 0.100 |
| set_clock_uncertainty -from $::env(WBS_CLOCK_NAME) -to $::env(WBS_CLOCK_NAME) -hold 0.100 |
| |
| # 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] |
| |
| ## 2 Multi-cycle setup and 1 hold |
| set_multicycle_path -setup -from wbm_adr_i* 2 |
| set_multicycle_path -hold -from wbm_adr_i* 1 |
| |
| set_multicycle_path -setup -from wbm_we_i* 2 |
| set_multicycle_path -hold -from wbm_we_i* 1 |
