# input clock pins create_clock [get_ports {"ext_clk"} ] -name "ext_clk" -period 25 create_clock [get_ports {"pll_clk"} ] -name "pll_clk" -period 6.6666666666667 create_clock [get_ports {"pll_clk90"} ] -name "pll_clk90" -period 6.6666666666667 # divided PLL clocks create_generated_clock -name pll_clk_divided -source [get_ports pll_clk] -divide_by 2 [get_pins _351_/Y] create_generated_clock -name pll_clk90_divided -source [get_ports pll_clk90] -divide_by 2 [get_pins _354_/Y] # output clock pins, mux selected create_generated_clock -name core_ext_clk -source [get_ports ext_clk] -divide_by 1 [get_pins _412_/X] create_generated_clock -name core_ext_clk_pll -source [get_ports pll_clk] -divide_by 1 [get_pins _412_/X] create_generated_clock -name core_clk -source [get_pins _412_/X] -divide_by 1 [get_pins _393_/X] create_generated_clock -name core_clk_pll -source [get_pins _351_/Y] -divide_by 1 [get_pins _393_/X] create_generated_clock -name user_clk -source [get_pins _412_/X] -divide_by 1 [get_pins _394_/X] create_generated_clock -name user_clk_pll -source [get_pins _354_/Y] -divide_by 1 [get_pins _394_/X] # logically exclusive clocks, the generated pll clocks and the ext core clk set_clock_groups -logically_exclusive -group core_ext_clk -group core_ext_clk_pll set_clock_groups -logically_exclusive -group core_clk -group core_clk_pll set_clock_groups -logically_exclusive -group user_clk -group user_clk_pll set ext_clk_input_delay_value [expr 25 * $::env(IO_PCT)] set ext_clk_output_delay_value [expr 25 * $::env(IO_PCT)] set pll_clk_input_delay_value [expr 6.6666666666667 * $::env(IO_PCT)] set pll_clk_output_delay_value [expr 6.6666666666667 * $::env(IO_PCT)] puts "\[INFO\]: Setting output delay to: $ext_clk_output_delay_value" puts "\[INFO\]: Setting input delay to: $ext_clk_input_delay_value" set_input_delay $ext_clk_input_delay_value -clock [get_clocks {ext_clk}] -add_delay [get_ports {ext_clk_sel}] #set_input_delay $input_delay_value -clock [get_clocks {ext_clk}] -add_delay [get_ports {resetb}] set_input_delay $ext_clk_input_delay_value -clock [get_clocks {ext_clk}] -add_delay [get_ports {sel2[0]}] set_input_delay $ext_clk_input_delay_value -clock [get_clocks {ext_clk}] -add_delay [get_ports {sel2[1]}] set_input_delay $ext_clk_input_delay_value -clock [get_clocks {ext_clk}] -add_delay [get_ports {sel2[2]}] set_input_delay $ext_clk_input_delay_value -clock [get_clocks {ext_clk}] -add_delay [get_ports {sel[0]}] set_input_delay $ext_clk_input_delay_value -clock [get_clocks {ext_clk}] -add_delay [get_ports {sel[1]}] set_input_delay $ext_clk_input_delay_value -clock [get_clocks {ext_clk}] -add_delay [get_ports {sel[2]}] set_output_delay $ext_clk_output_delay_value -clock [get_clocks {ext_clk}] -add_delay [get_ports {resetb_sync}] #set_output_delay $output_delay_value -clock [get_clocks {ext_clk}] -add_delay [get_ports {core_clk}] #set_output_delay $output_delay_value -clock [get_clocks {ext_clk}] -add_delay [get_ports {user_clk}] 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 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)}] puts "\[INFO\]: Setting clock uncertainity to: $::env(SYNTH_CLOCK_UNCERTAINITY)" set_clock_uncertainty $::env(SYNTH_CLOCK_UNCERTAINITY) [get_clocks {ext_clk}] set_clock_uncertainty $::env(SYNTH_CLOCK_UNCERTAINITY) [get_clocks {pll_clk}] set_clock_uncertainty $::env(SYNTH_CLOCK_UNCERTAINITY) [get_clocks {pll_clk90}] set_clock_uncertainty $::env(SYNTH_CLOCK_UNCERTAINITY) [get_clocks {core_clk}] puts "\[INFO\]: Setting clock transition to: $::env(SYNTH_CLOCK_TRANSITION)" set_clock_transition $::env(SYNTH_CLOCK_TRANSITION) [get_clocks {ext_clk}] set_clock_transition $::env(SYNTH_CLOCK_TRANSITION) [get_clocks {pll_clk}] set_clock_transition $::env(SYNTH_CLOCK_TRANSITION) [get_clocks {pll_clk90}] set_clock_transition $::env(SYNTH_CLOCK_TRANSITION) [get_clocks {core_clk}]