set ::env(WB_CLK_PERIOD) 25 set ::env(SCK_CLK_PERIOD) 100 set ::env(RESET_PORT) "wb_rstn_i" ## MASTER CLOCKS create_clock [get_ports {"wb_clk_i"} ] -name "wb_clk_i" -period $::env(WB_CLK_PERIOD) create_clock [get_ports {"user_clock"} ] -name "user_clock" -period $::env(WB_CLK_PERIOD) create_clock [get_ports {"mgmt_gpio_in[4]"} ] -name "mgmt_gpio_in" -period $::env(SCK_CLK_PERIOD) ## GENERATED CLOCKS # NOTE: change the clock pins whenever the synthesis receipe changes create_generated_clock -name "wbbd_sck" -source [get_ports {"wb_clk_i"} ] -divide_by 1 [get_pins {"_9640_/Q"} ] create_generated_clock -name "csclk_fast" -source [get_pins {"_9640_/Q"}] -divide_by 1 [get_pins {"_8847_/X"} ] create_generated_clock -name "csclk_slow" -source [get_ports {"mgmt_gpio_in[4]"} ] -divide_by 1 [get_pins {"_8847_/X"} ] # serial_clock (twice the wb_clk_i frequency) create_generated_clock -name "serial_clock_pre" -source [get_ports {"wb_clk_i"} ] -multiply_by 2 [get_pins {"_9239_/Q"} ] create_generated_clock -name "serial_bb_clock" -source [get_pins {"_8847_/X"} ] -multiply_by 2 [get_pins {"_9772_/Q"} ] create_generated_clock -name "serial_clock_wb" -source [get_pins {"_9239_/Q"} ] -multiply_by 2 [get_pins {"_8819_/X"} ] create_generated_clock -name "serial_clock_bb" -source [get_pins {"_9772_/Q"} ] -multiply_by 2 [get_pins {"_8819_/X"} ] # paths between wb_clk_i and mgmt_gpio_in shouldn't be timed set_clock_groups -logically_exclusive -group wb_clk_i -group mgmt_gpio_in # mux output is logically exclusive set_clock_groups -logically_exclusive -group csclk_fast -group csclk_slow set_clock_groups -logically_exclusive -group serial_clock_wb -group serial_clock_bb ## FALSE PATHS set_false_path -from [get_ports $::env(RESET_PORT)] set_false_path -from [get_ports "porb"] ## INPUT/OUTPUT DELAYS set input_delay_value [expr $::env(WB_CLK_PERIOD) * $::env(IO_PCT)] set output_delay_value [expr $::env(WB_CLK_PERIOD) * $::env(IO_PCT)] puts "\[INFO\]: Setting output delay to: $output_delay_value" puts "\[INFO\]: Setting input delay to: $input_delay_value" set sck_clk_indx [lsearch [all_inputs] [get_port "mgmt_gpio_in[4]"]] #set rst_indx [lsearch [all_inputs] [get_port resetn]] set all_inputs_wo_clk [lreplace [all_inputs] $sck_clk_indx $sck_clk_indx] #set all_inputs_wo_clk_rst [lreplace $all_inputs_wo_clk $rst_indx $rst_indx] set all_inputs_wo_clk_rst $all_inputs_wo_clk set_input_delay $input_delay_value -clock [get_clocks $::env(CLOCK_PORT)] $all_inputs_wo_clk ## OUTPUT DELAYS # WISHBONE DELAY set wb_output_delay 5 set_output_delay $wb_output_delay -clock [get_clocks $::env(CLOCK_PORT)] [get_ports wb_ack_o] set_output_delay $wb_output_delay -clock [get_clocks $::env(CLOCK_PORT)] [get_ports wb_dat_o[*]] # PLL DELAYS set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports pll_ena] set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports pll_dco_ena] set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports pll_div[*]] set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports pll_sel[*]] set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports pll90_sel[*]] set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports pll_trim[*]] set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports pll_bypass[*]] # SOC DELAYS set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports ser_tx] # SPI DELAYS set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports spi_sdi] # IRQ set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports irq[*]] set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports reset] # GPIO # Specify serial_clock as a generated clock signal #set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports serial_clock] set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports serial_load] set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports serial_resetn] set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports serial_data_1] set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports serial_data_2] set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports mgmt_gpio_out[*]] set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports mgmt_gpio_oeb[*]] set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports pwr_ctrl_out[*]] # FLASH set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports spimemio_flash_io0_di] set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports spimemio_flash_io1_di] set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports spimemio_flash_io2_di] set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports spimemio_flash_io3_di] set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports debug_in] set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports pad_flash_csb] set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports pad_flash_csb_oeb] set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports pad_flash_clk] set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports pad_flash_clk_oeb] set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports pad_flash_io0_oeb] set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports pad_flash_io1_oeb] set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports pad_flash_io0_ieb] set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports pad_flash_io1_ieb] set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports pad_flash_io0_do] set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports pad_flash_io1_do] set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports pad_flash_io0_ieb] # SRAM set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports sram_ro_clk] set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports sram_ro_csb] set_output_delay $output_delay_value -clock [get_clocks $::env(CLOCK_PORT)] [get_ports sram_ro_addr[*]] # 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] ## TIMING DERATE 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)}] ## CLOCK UNCERTAINITY puts "\[INFO\]: Setting clock uncertainity to: $::env(SYNTH_CLOCK_UNCERTAINITY)" set_clock_uncertainty $::env(SYNTH_CLOCK_UNCERTAINITY) [get_clocks {wb_clk_i}] set_clock_uncertainty $::env(SYNTH_CLOCK_UNCERTAINITY) [get_clocks {user_clock}] set_clock_uncertainty $::env(SYNTH_CLOCK_UNCERTAINITY) [get_clocks {mgmt_gpio_in}] ## CLOCK TRANSITION puts "\[INFO\]: Setting clock transition to: $::env(SYNTH_CLOCK_TRANSITION)" set_clock_transition $::env(SYNTH_CLOCK_TRANSITION) [get_clocks {wb_clk_i}] set_clock_transition $::env(SYNTH_CLOCK_TRANSITION) [get_clocks {user_clock}] set_clock_transition $::env(SYNTH_CLOCK_TRANSITION) [get_clocks {mgmt_gpio_in}] ## FANOUT set_max_fanout $::env(SYNTH_MAX_FANOUT) [current_design]