217 lines
11 KiB
Tcl
217 lines
11 KiB
Tcl
### This is a sample RUN TCL file to control the stages of the digital ASIC BE flow
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### We are using RTL Compiler (synthesis) and Encounter (PaR) from the the Cadence Inc.
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### The current technology is XFAB 180nm
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### For current flow the following assumptions are expected:
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### - set all USER settings;
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### - check that netlist and exported synthesis SDC are exisits with consistent names;
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### - open the terminal
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### - cd to the main folder with the scripts, src, reports etc. (BE_ASIC_DESIGN_CADENCE_SCRIPTS folder)
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### - run Place-and-Route with Encounter by typing in the same terminal "Encounter ./RUN_PAR.tcl"
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### ================= USER SETTINGS =================
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set NETLIST_TOP_NAME "PWM_syn_netlist.v"; # RTL top module name
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set NETLIST_PATH "./results/results_syn"; # RTL path to the source files
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set PAR_SDC_TOP_NAME "PWM_syn.sdc"; # SDC top file name
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set PAR_SDC_PATH "./results/results_syn"; # SDC path to the sources
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set PAR_MMMC_FILE "./scripts/scripts_aux/XFAB180_typ.tcl"; # Multi-mode multi-corner file
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set PAR_NETLIST_TOP_PORT_FILE "./scripts/scripts_aux/PaR_NETLIST_TOP_PORT_FILE"; # Synthesis corner (typ by default)
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set PAR_INIT_LEF_FILESET "/Cadence/Libs/X_FAB/XKIT/xt018/cadence/v7_0/techLEF/v7_0_1_1/xt018_xx43_MET4_METMID_METTHK.lef \
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/Cadence/Libs/X_FAB/XKIT/xt018/diglibs/D_CELLS_HD/v4_0/LEF/v4_0_0/xt018_D_CELLS_HD.lef \
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/Cadence/Libs/X_FAB/XKIT/xt018/diglibs/D_CELLS_HD/v4_0/LEF/v4_0_0/xt018_xx43_MET4_METMID_METTHK_D_CELLS_HD_mprobe.lef";
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set PAR_REPORTS_FOLDER "./reports/reports_par"; # Reports folder
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set PAR_RESULTS_FOLDER "./results/results_par"; # Results folder
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set FLOORPLAN_DIMENSIONS "2000 2000"; # FP chip area
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set FLOORPLAN_MARGINS "50 50 50 50"; # FP chip margins
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### ================= END of USER SETTINGS =============
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### ================= INITIAL SETTINGS =================
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win
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set init_pwr_net VDD # Define supply VDD net
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set init_gnd_net VSS # Define supply VSS net
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set init_lef_file ${PAR_INIT_LEF_FILESET} # Physical libraries - LEF fileset from XFAB 180nm
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set init_design_settop 0
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set init_verilog ${NETLIST_PATH}/${NETLIST_TOP_NAME} # SYN netlist file
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set init_mmmc_file ${PAR_MMMC_FILE} # Techmological file for multi-mode multi-corner PaR
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set init_io_file ${PAR_NETLIST_TOP_PORT_FILE} # File with location of the TOP level ports on the floorplan
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init_design
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fit
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### ================= END of INITIAL SETTINGS =========
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### ================= FLOORPLANNING ====================
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floorPlan -site core_hd -s ${FLOORPLAN_DIMENSIONS} ${FLOORPLAN_MARGINS}
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floorPlan -coreMarginsBy die -site core_hd -s ${FLOORPLAN_DIMENSIONS} ${FLOORPLAN_MARGINS}
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fit
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### ================= END of FLOORPLANNING ============
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### ================= POWER DELIVERY SYSTEM ====================
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#GLOBAL CONNECTIONS
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clearGlobalNets
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globalNetConnect VDD -type pgpin -pin vdd -inst * -module {}
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globalNetConnect VSS -type pgpin -pin gnd -inst * -module {}
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globalNetConnect VDD -type tiehi -pin vdd -inst * -module {}
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globalNetConnect VSS -type tielo -pin gnd -inst * -module {}
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# POWER RING
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addRing -skip_via_on_wire_shape Noshape -skip_via_on_pin Standardcell -stacked_via_top_layer METTPL -type core_rings -jog_distance 3.15 -threshold 3.15 -nets {VDD VSS} -follow core -stacked_via_bottom_layer MET1 -layer {bottom MET1 top MET1 right MET2 left MET2} -width 15 -spacing 0.6 -offset 3.15
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# POWER STRAPS
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addStripe -skip_via_on_wire_shape Noshape -block_ring_top_layer_limit MET3 -max_same_layer_jog_length 6 -padcore_ring_bottom_layer_limit MET1 -set_to_set_distance 1000 -skip_via_on_pin Standardcell -stacked_via_top_layer METTPL -padcore_ring_top_layer_limit MET3 -spacing 5 -merge_stripes_value 3.15 -layer MET2 -block_ring_bottom_layer_limit MET1 -width 20 -nets {VSS VDD} -stacked_via_bottom_layer MET1
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# REMOVE UNUNSED
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selectWire 39.6900 6.5100 59.6900 5073.6900 2 VSS #TODO
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deleteSelectedFromFPlan #TODO
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selectWire 64.6900 22.1100 84.6900 5058.0900 2 VDD #TODO
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deleteSelectedFromFPlan #TODO
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# MAKE A PG CONNECTIONS
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sroute -connect { blockPin padPin padRing corePin floatingStripe } -layerChangeRange { MET1 METTPL } -blockPinTarget { nearestTarget } -padPinPortConnect { allPort oneGeom } -padPinTarget { nearestTarget } -corePinTarget { firstAfterRowEnd } -floatingStripeTarget { blockring padring ring stripe ringpin blockpin followpin } -allowJogging 1 -crossoverViaLayerRange { MET1 METTPL } -allowLayerChange 1 -nets { VDD VSS } -blockPin useLef -targetViaLayerRange { MET1 METTPL }
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editPowerVia -skip_via_on_pin Standardcell -bottom_layer MET1 -add_vias 1 -top_layer METTPL
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# AFTER-STAGE STA
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timeDesign -prePlace -idealClock -pathReports -drvReports -slackReports -numPaths 50 -prefix ${NETLIST_TOP_NAME}_FP_PG_SETUP -outDir ${PAR_REPORTS_FOLDER} # SETUP STA
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suspend
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### ================= END of POWER DELIVERY SYSTEM ============
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### ================= PLACEMENT ====================
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# GENERAL SETTINGS - CPU num etc.
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setMultiCpuUsage -localCpu 8 -cpuPerRemoteHost 1 -remoteHost 0 -keepLicense true
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setDistributeHost -local
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setPlaceMode -fp false
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### PLACE
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placeDesign -inPlaceOpt
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# POST-PLACE STA
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timeDesign -preCTS -idealClock -pathReports -drvReports -slackReports -numPaths 50 -prefix ${NETLIST_TOP_NAME}_PLACE_SETUP -outDir ${PAR_REPORTS_FOLDER} # SETUP STA
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timeDesign -preCTS -hold -idealClock -pathReports -slackReports -numPaths 50 -prefix ${NETLIST_TOP_NAME}_PLACE_HOLD -outDir ${PAR_REPORTS_FOLDER} # HOLD STA
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suspend
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# OPTIMIZATION
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setOptMode -fixCap true -fixTran true -fixFanoutLoad true
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optDesign -preCTS
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# POST-OPTIMIZATION STA
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timeDesign -preCTS -hold -idealClock -pathReports -slackReports -numPaths 50 -prefix ${NETLIST_TOP_NAME}_PLACE_HOLD_OPT -outDir ${PAR_REPORTS_FOLDER} # HOLD STA
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suspend
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### ================= END of PLACEMENT =============
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### ================= CTS ====================
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# BUFFER SORTING
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createClockTreeSpec -bufferList {BUHDX0 BUHDX1 BUHDX12 BUHDX2 BUHDX3 BUHDX4 BUHDX6 BUHDX8 DLY1HDX0 DLY1HDX1 DLY2HDX0 DLY2HDX1 DLY4HDX0 DLY4HDX1 DLY8HDX0 DLY8HDX1 INHDX0 INHDX1 INHDX12 INHDX2 INHDX3 INHDX4 INHDX6 INHDX8 STEHDX0 STEHDX1 STEHDX2 STEHDX4} -file Clock.ctstch
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# CTS
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setCTSMode -engine ck
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clockDesign -specFile Clock.ctstch -outDir ${PAR_REPORTS_FOLDER} -fixedInstBeforeCTS
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# POST-CTS STA
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timeDesign -postCTS -pathReports -drvReports -slackReports -numPaths 50 -prefix ${NETLIST_TOP_NAME}_CTS_SETUP -outDir ${PAR_REPORTS_FOLDER} # SETUP STA
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timeDesign -postCTS -hold -pathReports -slackReports -numPaths 50 -prefix ${NETLIST_TOP_NAME}_CTS_HOLD -outDir ${PAR_REPORTS_FOLDER} # HOLD STA
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suspend
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### OPTIMIZATION
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setOptMode -fixCap true -fixTran true -fixFanoutLoad true
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optDesign -postCTS
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optDesign -postCTS -hold
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# POST-OPT STA
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timeDesign -postCTS -hold -pathReports -slackReports -numPaths 50 -prefix ${NETLIST_TOP_NAME}_CTS_HOLD_OPT -outDir ${PAR_REPORTS_FOLDER} # HOLD STA
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suspend
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# INCREMENTAL OPT
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optDesign -postCTS -hold -incr
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# POST-INCR STA
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timeDesign -postCTS -hold -pathReports -slackReports -numPaths 50 -prefix ${NETLIST_TOP_NAME}_CTS_HOLD_INCR_OPT -outDir ${PAR_REPORTS_FOLDER} # HOLD STA
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suspend
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### ================= END of CTS =============
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### ================= ROUTE ====================
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# GENERAL SETTINGS
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setNanoRouteMode -quiet -timingEngine {}
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setNanoRouteMode -quiet -routeWithSiPostRouteFix 0
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setNanoRouteMode -quiet -routeTopRoutingLayer default
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setNanoRouteMode -quiet -routeBottomRoutingLayer default
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setNanoRouteMode -quiet -drouteEndIteration default
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setNanoRouteMode -quiet -routeWithTimingDriven false
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setNanoRouteMode -quiet -routeWithSiDriven false
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# ANTENNA VILOATION FIX - BRIDGE
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setNanoRouteMode -quiet -drouteFixAntenna true
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# ANTENNA VILOATION FIX - DIODES
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setNanoRouteMode -quiet -routeInsertAntennaDiode true
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# ROUTE
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routeDesign -globalDetail
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# POST-ROUTE STA
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setAnalysisMode -analysisType onChipVariation -skew true -clockPropagation sdcControl
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timeDesign -postRoute -pathReports -drvReports -slackReports -numPaths 50 -prefix ${NETLIST_TOP_NAME}_ROUTE_SETUP -outDir ${PAR_REPORTS_FOLDER} # SETUP STA
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timeDesign -postRoute -hold -pathReports -slackReports -numPaths 50 -prefix ${NETLIST_TOP_NAME}_ROUTE_HOLD -outDir ${PAR_REPORTS_FOLDER} # HOLD STA
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suspend
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# OPTIMIZATION
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setOptMode -fixCap true -fixTran true -fixFanoutLoad true
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optDesign -postRoute
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optDesign -postRoute -hold
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# POST-OPT STA
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timeDesign -postRoute -hold -pathReports -slackReports -numPaths 50 -prefix ${NETLIST_TOP_NAME}_ROUTE_HOLD_OPT -outDir ${PAR_REPORTS_FOLDER} # HOLD STA
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suspend
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# INCREMENTAL OPT
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optDesign -postRoute -incr
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optDesign -postRoute -hold -incr
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# POST-INCR STA
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timeDesign -postRoute -hold -pathReports -slackReports -numPaths 50 -prefix ${NETLIST_TOP_NAME}_ROUTE_HOLD_INCR_OPT -outDir ${PAR_REPORTS_FOLDER} # HOLD STA
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suspend
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### ================= END of ROUTE ====================
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### ================= FINALIZATION ====================
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# FILLER CELLS
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getFillerMode -quiet
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addFiller -cell FEED7HD FEED5HD FEED3HD FEED2HD FEED25HD FEED1HD FEED15HD FEED10HD -prefix FILLER
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suspend
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# CHECK SIMPLE DRC
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setVerifyGeometryMode -area { 0 0 0 0 } -minWidth true -minSpacing true -minArea true -sameNet true -short true -overlap true -offRGrid false -offMGrid true -mergedMGridCheck true -minHole true -implantCheck true -minimumCut true -minStep true -viaEnclosure true -antenna false -insuffMetalOverlap true -pinInBlkg true -diffCellViol false -sameCellViol true -padFillerCellsOverlap false -routingBlkgPinOverlap false -routingCellBlkgOverlap false -regRoutingOnly false -stackedViasOnRegNet false -wireExt true -useNonDefaultSpacing false -maxWidth true -maxNonPrefLength -1 -error 1000
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verifyGeometry
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setVerifyGeometryMode -area { 0 0 0 0 }
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verify_drc -report ${PAR_REPORTS_FOLDER}/${NETLIST_TOP_NAME}_DRC.rpt -limit 1000
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verifyConnectivity -type all -error 1000 -warning 50
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# EXTRACT RC
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setExtractRCMode -engine postRoute -effortLevel signoff
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extractRC
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### ================= END of FINALIZATION ====================
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### ================= OUTPUT ====================
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# STA
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timeDesign -signoff -pathReports -drvReports -slackReports -numPaths 50 -prefix ${NETLIST_TOP_NAME}_SIGNOFF_SETUP -outDir ${PAR_REPORTS_FOLDER} # "-signoff" SETUP STA
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timeDesign -signoff -hold -pathReports -slackReports -numPaths 50 -prefix ${NETLIST_TOP_NAME}_SIGNOFF_HOLD -outDir ${PAR_REPORTS_FOLDER} # "-signoff" HOLD STA
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all_hold_analysis_views
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all_setup_analysis_views
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# EXPORT RESULTS of the PaR stage
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write_sdf -view TYPview ${PAR_RESULTS_FOLDER}/${NETLIST_TOP_NAME}.sdf
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saveNetlist ${PAR_RESULTS_FOLDER} -includePhysicalCell {FEED7HD FEED10HD FEED15HD FEED1HD FEED25HD FEED2HD FEED3HD FEED5HD}
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defOut -floorplan -netlist -routing ${PAR_RESULTS_FOLDER}/${NETLIST_TOP_NAME}.def
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### ================= END of OUTPUT ====================
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