| # 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) "wb_clk_i" |
| set ::env(WBM_CLOCK_NAME) "wbm_clk_i" |
| |
| set ::env(WBS_CLOCK_PERIOD) "10" |
| set ::env(WBS_CLOCK_PORT) "u_wb_host*wbs_clk_out" |
| set ::env(WBS_CLOCK_NAME) "wbs_clk_i" |
| |
| set ::env(SDRAM_CLOCK_PERIOD) "20" |
| set ::env(SDRAM_CLOCK_PORT) "u_wb_host*sdram_clk" |
| set ::env(SDRAM_CLOCK_NAME) "sdram_clk" |
| |
| set ::env(PAD_SDRAM_CLOCK_PERIOD) "20" |
| set ::env(PAD_SDRAM_CLOCK_PORT) "u_skew_sd_ci*clk_in" |
| set ::env(PAD_SDRAM_CLOCK_NAME) "sdram_pad_clk" |
| |
| set ::env(CPU_CLOCK_PERIOD) "50" |
| set ::env(CPU_CLOCK_PORT) "u_wb_host*cpu_clk" |
| set ::env(CPU_CLOCK_NAME) "cpu_clk" |
| |
| set ::env(RTC_CLOCK_PERIOD) "50" |
| set ::env(RTC_CLOCK_PORT) "u_wb_host*rtc_clk" |
| set ::env(RTC_CLOCK_NAME) "rtc_clk" |
| |
| set ::env(UART_CLOCK_PERIOD) "100" |
| set ::env(UART_CLOCK_PORT) "u_uart_core*u_lineclk_buf/X" |
| set ::env(UART_CLOCK_NAME) "line_clk" |
| |
| #Setting clock delay to center of the tap |
| set_case_analysis 1 [get_pins -hierarchical u_skew_wi*sel[3]] |
| set_case_analysis 0 [get_pins -hierarchical u_skew_wi*sel[2]] |
| set_case_analysis 0 [get_pins -hierarchical u_skew_wi*sel[1]] |
| set_case_analysis 0 [get_pins -hierarchical u_skew_wi*sel[0]] |
| |
| set_case_analysis 1 [get_pins -hierarchical u_skew_riscv*sel[3]] |
| set_case_analysis 0 [get_pins -hierarchical u_skew_riscv*sel[2]] |
| set_case_analysis 0 [get_pins -hierarchical u_skew_riscv*sel[1]] |
| set_case_analysis 0 [get_pins -hierarchical u_skew_riscv*sel[0]] |
| |
| set_case_analysis 1 [get_pins -hierarchical u_skew_uart*sel[3]] |
| set_case_analysis 0 [get_pins -hierarchical u_skew_uart*sel[2]] |
| set_case_analysis 0 [get_pins -hierarchical u_skew_uart*sel[1]] |
| set_case_analysis 0 [get_pins -hierarchical u_skew_uart*sel[0]] |
| |
| set_case_analysis 1 [get_pins -hierarchical u_skew_spi*sel[3]] |
| set_case_analysis 0 [get_pins -hierarchical u_skew_spi*sel[2]] |
| set_case_analysis 0 [get_pins -hierarchical u_skew_spi*sel[1]] |
| set_case_analysis 0 [get_pins -hierarchical u_skew_spi*sel[0]] |
| |
| set_case_analysis 0 [get_pins -hierarchical u_skew_glbl*sel[3]] |
| set_case_analysis 1 [get_pins -hierarchical u_skew_glbl*sel[2]] |
| set_case_analysis 1 [get_pins -hierarchical u_skew_glbl*sel[1]] |
| set_case_analysis 1 [get_pins -hierarchical u_skew_glbl*sel[0]] |
| |
| set_case_analysis 1 [get_pins -hierarchical u_skew_wh*sel[3]] |
| set_case_analysis 0 [get_pins -hierarchical u_skew_wh*sel[2]] |
| set_case_analysis 0 [get_pins -hierarchical u_skew_wh*sel[1]] |
| set_case_analysis 0 [get_pins -hierarchical u_skew_wh*sel[0]] |
| |
| # Set the interface logic to 0 |
| set_case_analysis 0 [get_pins -hierarchical u_skew_sd_co*sel[3]] |
| set_case_analysis 0 [get_pins -hierarchical u_skew_sd_co*sel[2]] |
| set_case_analysis 0 [get_pins -hierarchical u_skew_sd_co*sel[1]] |
| set_case_analysis 0 [get_pins -hierarchical u_skew_sd_co*sel[0]] |
| |
| set_case_analysis 0 [get_pins -hierarchical u_skew_sd_ci*sel[3]] |
| set_case_analysis 0 [get_pins -hierarchical u_skew_sd_ci*sel[2]] |
| set_case_analysis 0 [get_pins -hierarchical u_skew_sd_ci*sel[1]] |
| set_case_analysis 1 [get_pins -hierarchical u_skew_sd_ci*sel[0]] |
| |
| set_case_analysis 0 [get_pins -hierarchical u_skew_sp_co*sel[3]] |
| set_case_analysis 0 [get_pins -hierarchical u_skew_sp_co*sel[2]] |
| set_case_analysis 0 [get_pins -hierarchical u_skew_sp_co*sel[1]] |
| set_case_analysis 0 [get_pins -hierarchical u_skew_sp_co*sel[0]] |
| |
| ###################################### |
| # WB MASTER Clock domain input output |
| ###################################### |
| create_clock [get_ports $::env(WBM_CLOCK_PORT)] -name $::env(WBM_CLOCK_NAME) -period $::env(WBM_CLOCK_PERIOD) |
| set wb_input_delay_value [expr $::env(WBM_CLOCK_PERIOD) * 0.54] |
| set wb_output_delay_value [expr $::env(WBM_CLOCK_PERIOD) * 0.54] |
| puts "\[INFO\]: Setting wb output delay to:$wb_output_delay_value" |
| puts "\[INFO\]: Setting wb input delay to: $wb_input_delay_value" |
| |
| |
| set_input_delay 2.0 -clock [get_clocks $::env(WBM_CLOCK_NAME)] {wb_rst_i} |
| |
| set_input_delay $wb_input_delay_value -clock [get_clocks $::env(WBM_CLOCK_NAME)] [get_port wbs_stb_i*] |
| set_input_delay $wb_input_delay_value -clock [get_clocks $::env(WBM_CLOCK_NAME)] [get_port wbs_cyc_i*] |
| set_input_delay $wb_input_delay_value -clock [get_clocks $::env(WBM_CLOCK_NAME)] [get_port wbs_we_i*] |
| set_input_delay $wb_input_delay_value -clock [get_clocks $::env(WBM_CLOCK_NAME)] [get_port wbs_sel_i*] |
| set_input_delay $wb_input_delay_value -clock [get_clocks $::env(WBM_CLOCK_NAME)] [get_port wbs_dat_i*] |
| set_input_delay $wb_input_delay_value -clock [get_clocks $::env(WBM_CLOCK_NAME)] [get_port wbs_adr_i*] |
| set_input_delay $wb_input_delay_value -clock [get_clocks $::env(WBM_CLOCK_NAME)] [get_port wb_cti_i*] |
| |
| set_output_delay $wb_output_delay_value -clock [get_clocks $::env(WBM_CLOCK_NAME)] [get_port wbs_dat_o*] |
| set_output_delay $wb_output_delay_value -clock [get_clocks $::env(WBM_CLOCK_NAME)] [get_port wbs_ack_o*] |
| |
| ###################################### |
| # WishBone Slave Port |
| ####################################### |
| create_clock [get_pins -hierarchical $::env(WBS_CLOCK_PORT)] -name $::env(WBS_CLOCK_NAME) -period $::env(WBS_CLOCK_PERIOD) |
| ###################################### |
| # SDRAM Clock domain input output |
| ###################################### |
| create_clock [get_pins -hierarchical $::env(SDRAM_CLOCK_PORT)] -name $::env(SDRAM_CLOCK_NAME) -period $::env(SDRAM_CLOCK_PERIOD) |
| create_clock [get_pins -hierarchical $::env(PAD_SDRAM_CLOCK_PORT)] -name $::env(PAD_SDRAM_CLOCK_NAME) -period $::env(PAD_SDRAM_CLOCK_PERIOD) |
| create_clock [get_pins -hierarchical $::env(CPU_CLOCK_PORT)] -name $::env(CPU_CLOCK_NAME) -period $::env(CPU_CLOCK_PERIOD) |
| create_clock [get_pins -hierarchical $::env(RTC_CLOCK_PORT)] -name $::env(RTC_CLOCK_NAME) -period $::env(RTC_CLOCK_PERIOD) |
| create_clock [get_pins -hierarchical $::env(UART_CLOCK_PORT)] -name $::env(UART_CLOCK_NAME) -period $::env(UART_CLOCK_PERIOD) |
| |
| set_clock_groups -name async_clock -asynchronous -comment "Async Clock group" -group [get_clocks $::env(WBM_CLOCK_NAME)] -group [get_clocks $::env(WBS_CLOCK_NAME)] -group [get_clocks $::env(SDRAM_CLOCK_NAME)] -group [get_clocks $::env(CPU_CLOCK_NAME)] -group [get_clocks $::env(RTC_CLOCK_NAME)] -group [get_clocks $::env(UART_CLOCK_NAME)] |
| |
| |
| ## Add clock uncertainty |
| #Note: We have PAD_SDRAM_CLOCK_NAME => SDRAM_CLOCK_NAME path only |
| |
| 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(SDRAM_CLOCK_NAME) -to $::env(SDRAM_CLOCK_NAME) -setup 0.200 |
| set_clock_uncertainty -from $::env(PAD_SDRAM_CLOCK_NAME) -to $::env(SDRAM_CLOCK_NAME) -setup 0.200 |
| set_clock_uncertainty -from $::env(CPU_CLOCK_NAME) -to $::env(CPU_CLOCK_NAME) -setup 0.200 |
| set_clock_uncertainty -from $::env(RTC_CLOCK_NAME) -to $::env(RTC_CLOCK_NAME) -setup 0.200 |
| set_clock_uncertainty -from $::env(UART_CLOCK_NAME) -to $::env(UART_CLOCK_NAME) -setup 0.200 |
| |
| set_clock_uncertainty -from $::env(WBM_CLOCK_NAME) -to $::env(WBM_CLOCK_NAME) -hold 0.050 |
| set_clock_uncertainty -from $::env(WBS_CLOCK_NAME) -to $::env(WBS_CLOCK_NAME) -hold 0.050 |
| set_clock_uncertainty -from $::env(SDRAM_CLOCK_NAME) -to $::env(SDRAM_CLOCK_NAME) -hold 0.050 |
| set_clock_uncertainty -from $::env(PAD_SDRAM_CLOCK_NAME) -to $::env(SDRAM_CLOCK_NAME) -hold 0.050 |
| set_clock_uncertainty -from $::env(CPU_CLOCK_NAME) -to $::env(CPU_CLOCK_NAME) -hold 0.050 |
| set_clock_uncertainty -from $::env(RTC_CLOCK_NAME) -to $::env(RTC_CLOCK_NAME) -hold 0.050 |
| set_clock_uncertainty -from $::env(UART_CLOCK_NAME) -to $::env(UART_CLOCK_NAME) -hold 0.050 |
| |
| # 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 0 hold |
| set_multicycle_path -setup -from wbs_adr_i* 2 |
| set_multicycle_path -hold -from wbs_adr_i* 2 |
| |
| set_multicycle_path -setup -from wbs_we_i* 2 |
| set_multicycle_path -hold -from wbs_we_i* 2 |
