| ############################################################################### |
| # Timing Constraints |
| ############################################################################### |
| create_clock -name core_clk -period 10.0000 [get_ports {core_clk}] |
| |
| create_generated_clock -name sram0_clk0 -add -source [get_ports {core_clk}] -master_clock [get_clocks core_clk] -divide_by 1 -comment {tcm clock0} [get_ports sram0_clk0] |
| create_generated_clock -name sram0_clk1 -add -source [get_ports {core_clk}] -master_clock [get_clocks core_clk] -divide_by 1 -comment {tcm clock1} [get_ports sram0_clk1] |
| |
| set_clock_transition 0.1500 [all_clocks] |
| set_clock_uncertainty -setup 0.5000 [all_clocks] |
| set_clock_uncertainty -hold 0.2500 [all_clocks] |
| |
| set ::env(SYNTH_TIMING_DERATE) 0.05 |
| puts "\[INFO\]: Setting timing derate to: [expr {$::env(SYNTH_TIMING_DERATE) * 10}] %" |
| set_timing_derate -early [expr {1-$::env(SYNTH_TIMING_DERATE)}] |
| set_timing_derate -late [expr {1+$::env(SYNTH_TIMING_DERATE)}] |
| |
| set_case_analysis 0 [get_ports {cfg_sram_lphase[0]}] |
| set_case_analysis 0 [get_ports {cfg_sram_lphase[1]}] |
| |
| #CORE-0 IMEM Constraints |
| set_input_delay -max 4.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core0_imem_cmd}] |
| set_input_delay -max 4.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core0_imem_req}] |
| set_input_delay -max 4.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core0_imem_addr[*]}] |
| set_input_delay -max 4.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core0_imem_bl[*]}] |
| |
| set_input_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core0_imem_cmd}] |
| set_input_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core0_imem_req}] |
| set_input_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core0_imem_addr[*]}] |
| set_input_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core0_imem_bl[*]}] |
| |
| set_output_delay -max 4.5000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core0_imem_req_ack}] |
| set_output_delay -max 4.5000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core0_imem_rdata[*]}] |
| |
| set_output_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core0_imem_req_ack}] |
| set_output_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core0_imem_rdata[*]}] |
| |
| #CORE-0 DMEM Constraints |
| set_input_delay -max 4.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core0_dmem_cmd}] |
| set_input_delay -max 4.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core0_dmem_req}] |
| set_input_delay -max 4.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core0_dmem_addr[*]}] |
| set_input_delay -max 4.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core0_dmem_wdata[*]}] |
| set_input_delay -max 4.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core0_dmem_width[*]}] |
| |
| set_input_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core0_dmem_cmd}] |
| set_input_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core0_dmem_req}] |
| set_input_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core0_dmem_addr[*]}] |
| set_input_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core0_dmem_wdata[*]}] |
| set_input_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core0_dmem_width[*]}] |
| |
| set_output_delay -max 4.5000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core0_dmem_req_ack}] |
| set_output_delay -max 4.5000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core0_dmem_rdata[*]}] |
| |
| set_output_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core0_dmem_req_ack}] |
| set_output_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core0_dmem_rdata[*]}] |
| |
| #CORE-1 IMEM Constraints |
| set_input_delay -max 4.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core1_imem_cmd}] |
| set_input_delay -max 4.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core1_imem_req}] |
| set_input_delay -max 4.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core1_imem_addr[*]}] |
| set_input_delay -max 4.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core1_imem_bl[*]}] |
| |
| set_input_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core1_imem_cmd}] |
| set_input_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core1_imem_req}] |
| set_input_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core1_imem_addr[*]}] |
| set_input_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core1_imem_bl[*]}] |
| |
| set_output_delay -max 4.5000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core1_imem_req_ack}] |
| set_output_delay -max 4.5000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core1_imem_rdata[*]}] |
| |
| set_output_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core1_imem_req_ack}] |
| set_output_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core1_imem_rdata[*]}] |
| |
| #CORE-1 DMEM Constraints |
| set_input_delay -max 4.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core1_dmem_cmd}] |
| set_input_delay -max 4.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core1_dmem_req}] |
| set_input_delay -max 4.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core1_dmem_addr[*]}] |
| set_input_delay -max 4.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core1_dmem_wdata[*]}] |
| set_input_delay -max 4.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core1_dmem_width[*]}] |
| |
| set_input_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core1_dmem_cmd}] |
| set_input_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core1_dmem_req}] |
| set_input_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core1_dmem_addr[*]}] |
| set_input_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core1_dmem_wdata[*]}] |
| set_input_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core1_dmem_width[*]}] |
| |
| set_output_delay -max 4.5000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core1_dmem_req_ack}] |
| set_output_delay -max 4.5000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core1_dmem_rdata[*]}] |
| |
| set_output_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core1_dmem_req_ack}] |
| set_output_delay -min 2.0000 -clock [get_clocks {core_clk}] -add_delay [get_ports {core1_dmem_rdata[*]}] |
| |
| ## PORT-0 TCM I/F |
| set_output_delay -min -1.0000 -clock [get_clocks {sram0_clk0}] -add_delay [get_ports {sram0_csb0}] |
| set_output_delay -min -1.0000 -clock [get_clocks {sram0_clk0}] -add_delay [get_ports {sram0_web0}] |
| set_output_delay -min -1.0000 -clock [get_clocks {sram0_clk0}] -add_delay [get_ports {sram0_addr0[*]}] |
| set_output_delay -min -1.0000 -clock [get_clocks {sram0_clk0}] -add_delay [get_ports {sram0_wmask0[*]}] |
| set_output_delay -min -1.0000 -clock [get_clocks {sram0_clk0}] -add_delay [get_ports {sram0_din0[*]}] |
| |
| set_output_delay -max 1.0000 -clock [get_clocks {sram0_clk0}] -add_delay [get_ports {sram0_csb0}] |
| set_output_delay -max 1.0000 -clock [get_clocks {sram0_clk0}] -add_delay [get_ports {sram0_web0}] |
| set_output_delay -max 1.0000 -clock [get_clocks {sram0_clk0}] -add_delay [get_ports {sram0_addr0[*]}] |
| set_output_delay -max 1.0000 -clock [get_clocks {sram0_clk0}] -add_delay [get_ports {sram0_wmask0[*]}] |
| set_output_delay -max 1.0000 -clock [get_clocks {sram0_clk0}] -add_delay [get_ports {sram0_din0[*]}] |
| |
| set_input_delay -min 2.0000 -clock [get_clocks {sram0_clk0}] -add_delay [get_ports {sram0_dout0[*]}] |
| set_input_delay -max 6.0000 -clock [get_clocks {sram0_clk0}] -add_delay [get_ports {sram0_dout0[*]}] |
| |
| |
| ## PORT-1 TCM1 I/F |
| set_output_delay -min -1.0000 -clock [get_clocks {sram0_clk1}] -add_delay [get_ports {sram0_csb1}] |
| set_output_delay -min -1.0000 -clock [get_clocks {sram0_clk1}] -add_delay [get_ports {sram0_addr1[*]}] |
| |
| set_output_delay -max 1.000 -clock [get_clocks {sram0_clk1}] -add_delay [get_ports {sram0_csb1}] |
| set_output_delay -max 1.000 -clock [get_clocks {sram0_clk1}] -add_delay [get_ports {sram0_addr1[*]}] |
| |
| set_input_delay -min 2.0000 -clock [get_clocks {sram0_clk1}] -add_delay [get_ports {sram0_dout1[*]}] |
| set_input_delay -max 6.0000 -clock [get_clocks {sram0_clk1}] -add_delay [get_ports {sram0_dout1[*]}] |
| |
| ############################################################################### |
| # Environment |
| ############################################################################### |
| set_driving_cell -lib_cell sky130_fd_sc_hd__inv_8 -pin {Y} [all_inputs] |
| set cap_load 0.0334 |
| puts "\[INFO\]: Setting load to: $cap_load" |
| set_load $cap_load [all_outputs] |
| |
| set_max_transition 1.00 [current_design] |
| set_max_capacitance 0.2 [current_design] |
| set_max_fanout 10 [current_design] |
| |
| ############################################################################### |
| # Design Rules |
| ############################################################################### |