| # JTAG port |
| set TDO_port io_out[1] |
| set TDI_port io_in[2] |
| set TMS_port io_in[3] |
| set TCK_port io_in[4] |
| |
| # create clock |
| create_clock [get_ports wb_clk_i] -name wb_clk_i -period $::env(CLOCK_PERIOD) |
| |
| #create_generated_clock -name data_arrays_0_ext_ram_clk -add \ |
| # -source [get_ports wb_clk_i] -master_clock [get_clocks wb_clk_i] -divide_by 1 \ |
| # -comment {DTIM RAM clk} [get_ports data_arrays_0_ext_ram_clk] |
| |
| create_generated_clock -name tag_array_ext_ram_clk -add \ |
| -source [get_ports wb_clk_i] -master_clock [get_clocks wb_clk_i] -divide_by 1 \ |
| -comment {I-Cache Tag RAM clk} [get_ports tag_array_ext_ram_clk] |
| |
| create_generated_clock -name data_arrays_0_0_ext_ram_clk -add \ |
| -source [get_ports wb_clk_i] -master_clock [get_clocks wb_clk_i] -divide_by 1 \ |
| -comment {I-Cache Data RAM clk} [get_ports data_arrays_0_0_ext_ram_clk] |
| |
| create_generated_clock -name slow_clock -add \ |
| -source [get_ports wb_clk_i] -master_clock [get_clocks wb_clk_i] -divide_by 4 \ |
| -comment {AON clk} [get_nets \MarmotCaravelChip.MarmotCaravelPlatform.io_pins_aon_lfextclk_i_ival ] |
| |
| create_clock [get_ports $TCK_port] -name jtag_TCK -period 100.0 |
| |
| # clock groups |
| set_clock_groups -name async_clock -asynchronous \ |
| -group [get_clocks {wb_clk_i tag_array_ext_ram_clk data_arrays_0_0_ext_ram_clk slow_clock}] \ |
| -group [get_clocks {jtag_TCK}]\ |
| |
| # max delay for RAM clocks |
| #set MAX_DELAY_RAM_CLOCK 6.0 |
| #set_max_delay $MAX_DELAY_RAM_CLOCK -from [get_ports wb_clk_i] -to [get_ports data_arrays_0_ext_ram_clk] |
| #set_max_delay $MAX_DELAY_RAM_CLOCK -from [get_ports wb_clk_i] -to [get_ports tag_array_ext_ram_clk] |
| #set_max_delay $MAX_DELAY_RAM_CLOCK -from [get_ports wb_clk_i] -to [get_ports data_arrays_0_0_ext_ram_clk] |
| |
| # input/output delay |
| 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 input_delay_value_ram [expr $::env(CLOCK_PERIOD) * $::env(IO_PCT_RAM)] |
| set output_delay_value_ram [expr $::env(CLOCK_PERIOD) * $::env(IO_PCT_RAM)] |
| puts "\[INFO\]: Setting output delay for RAM to: $output_delay_value_ram" |
| puts "\[INFO\]: Setting input delay for RAM to: $input_delay_value_ram" |
| |
| set all_inputs_wo_clk [all_inputs] |
| set clk_indx [lsearch $all_inputs_wo_clk [get_port wb_clk_i]] |
| set all_inputs_wo_clk [lreplace [all_inputs] $clk_indx $clk_indx] |
| |
| set tck_indx [lsearch $all_inputs_wo_clk [get_port $TCK_port]] |
| set all_inputs_wo_clk [lreplace $all_inputs_wo_clk $tck_indx $tck_indx] |
| |
| set_input_delay $input_delay_value -clock [get_clocks wb_clk_i] $all_inputs_wo_clk |
| set_output_delay $output_delay_value -clock [get_clocks wb_clk_i] [all_outputs] |
| |
| # DTIM RAM port |
| #set_input_delay $input_delay_value_ram -clock [get_clocks data_arrays_0_ext_ram_clk] data_arrays_0_ext_ram_rdata0[*] |
| #set_input_delay $input_delay_value_ram -clock [get_clocks data_arrays_0_ext_ram_clk] data_arrays_0_ext_ram_rdata1[*] |
| #set_input_delay $input_delay_value_ram -clock [get_clocks data_arrays_0_ext_ram_clk] data_arrays_0_ext_ram_rdata2[*] |
| #set_input_delay $input_delay_value_ram -clock [get_clocks data_arrays_0_ext_ram_clk] data_arrays_0_ext_ram_rdata3[*] |
| #set_input_delay $input_delay_value_ram -clock [get_clocks data_arrays_0_ext_ram_clk] data_arrays_0_ext_ram_rdata4[*] |
| #set_input_delay $input_delay_value_ram -clock [get_clocks data_arrays_0_ext_ram_clk] data_arrays_0_ext_ram_rdata5[*] |
| #set_input_delay $input_delay_value_ram -clock [get_clocks data_arrays_0_ext_ram_clk] data_arrays_0_ext_ram_rdata6[*] |
| #set_input_delay $input_delay_value_ram -clock [get_clocks data_arrays_0_ext_ram_clk] data_arrays_0_ext_ram_rdata7[*] |
| #set_output_delay $output_delay_value_ram -clock [get_clocks data_arrays_0_ext_ram_clk] data_arrays_0_ext_ram_csb[*] |
| #set_output_delay $output_delay_value_ram -clock [get_clocks data_arrays_0_ext_ram_clk] data_arrays_0_ext_ram_web |
| #set_output_delay $output_delay_value_ram -clock [get_clocks data_arrays_0_ext_ram_clk] data_arrays_0_ext_ram_addr[*] |
| #set_output_delay $output_delay_value_ram -clock [get_clocks data_arrays_0_ext_ram_clk] data_arrays_0_ext_ram_wdata[*] |
| #set_output_delay $output_delay_value_ram -clock [get_clocks data_arrays_0_ext_ram_clk] data_arrays_0_ext_ram_wmask[*] |
| #set_output_delay $output_delay_value_ram -clock [get_clocks data_arrays_0_ext_ram_clk] data_arrays_0_ext_ram_csb1[*] |
| #set_output_delay $output_delay_value_ram -clock [get_clocks data_arrays_0_ext_ram_clk] data_arrays_0_ext_ram_addr1[*] |
| |
| # I-Cache Tag RAM port |
| set_input_delay $input_delay_value_ram -clock [get_clocks tag_array_ext_ram_clk] tag_array_ext_ram_rdata0[*] |
| set_input_delay $input_delay_value_ram -clock [get_clocks tag_array_ext_ram_clk] tag_array_ext_ram_rdata1[*] |
| set_output_delay $output_delay_value_ram -clock [get_clocks tag_array_ext_ram_clk] tag_array_ext_ram_csb |
| set_output_delay $output_delay_value_ram -clock [get_clocks tag_array_ext_ram_clk] tag_array_ext_ram_web |
| set_output_delay $output_delay_value_ram -clock [get_clocks tag_array_ext_ram_clk] tag_array_ext_ram_addr[*] |
| set_output_delay $output_delay_value_ram -clock [get_clocks tag_array_ext_ram_clk] tag_array_ext_ram_wdata[*] |
| set_output_delay $output_delay_value_ram -clock [get_clocks tag_array_ext_ram_clk] tag_array_ext_ram_wmask[*] |
| set_output_delay $output_delay_value_ram -clock [get_clocks tag_array_ext_ram_clk] tag_array_ext_ram_csb1[*] |
| set_output_delay $output_delay_value_ram -clock [get_clocks tag_array_ext_ram_clk] tag_array_ext_ram_addr1[*] |
| |
| # I-Cache Data RAM port |
| set_input_delay $input_delay_value_ram -clock [get_clocks data_arrays_0_0_ext_ram_clk] data_arrays_0_0_ext_ram_rdata0[*] |
| set_input_delay $input_delay_value_ram -clock [get_clocks data_arrays_0_0_ext_ram_clk] data_arrays_0_0_ext_ram_rdata1[*] |
| set_input_delay $input_delay_value_ram -clock [get_clocks data_arrays_0_0_ext_ram_clk] data_arrays_0_0_ext_ram_rdata2[*] |
| set_input_delay $input_delay_value_ram -clock [get_clocks data_arrays_0_0_ext_ram_clk] data_arrays_0_0_ext_ram_rdata3[*] |
| set_output_delay $output_delay_value_ram -clock [get_clocks data_arrays_0_0_ext_ram_clk] data_arrays_0_0_ext_ram_csb[*] |
| set_output_delay $output_delay_value_ram -clock [get_clocks data_arrays_0_0_ext_ram_clk] data_arrays_0_0_ext_ram_web |
| set_output_delay $output_delay_value_ram -clock [get_clocks data_arrays_0_0_ext_ram_clk] data_arrays_0_0_ext_ram_addr[*] |
| set_output_delay $output_delay_value_ram -clock [get_clocks data_arrays_0_0_ext_ram_clk] data_arrays_0_0_ext_ram_wdata[*] |
| set_output_delay $output_delay_value_ram -clock [get_clocks data_arrays_0_0_ext_ram_clk] data_arrays_0_0_ext_ram_wmask[*] |
| set_output_delay $output_delay_value_ram -clock [get_clocks data_arrays_0_0_ext_ram_clk] data_arrays_0_0_ext_ram_csb1[*] |
| set_output_delay $output_delay_value_ram -clock [get_clocks data_arrays_0_0_ext_ram_clk] data_arrays_0_0_ext_ram_addr1[*] |
| |
| # JTAG port |
| set_input_delay $input_delay_value -clock [get_clocks jtag_TCK] [get_ports $TMS_port] |
| set_input_delay $input_delay_value -clock [get_clocks jtag_TCK] [get_ports $TDI_port] |
| set_output_delay $output_delay_value -clock [get_clocks jtag_TCK] [get_ports $TDO_port] |
| |
| # max fanout |
| set_max_fanout $::env(SYNTH_MAX_FANOUT) [current_design] |
| |
| # 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] |
| |
| puts "\[INFO\]: Setting clock uncertainity to: $::env(SYNTH_CLOCK_UNCERTAINITY)" |
| set_clock_uncertainty $::env(SYNTH_CLOCK_UNCERTAINITY) [all_clocks] |
| |
| puts "\[INFO\]: Setting clock transition to: $::env(SYNTH_CLOCK_TRANSITION)" |
| set_clock_transition $::env(SYNTH_CLOCK_TRANSITION) [all_clocks] |
| |
| set_propagated_clock [all_clocks] |
| |
| 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)}] |
