sky130/qflow/sky130.sh

#!/bin/tcsh
#---------------------------------------------------------------
# Shell script setting up all variables used by the qflow scripts
# for this project
#---------------------------------------------------------------

# The LEF file containing standard cell macros

set leffile=STAGING_PATH/TECHNAME/libs.ref/LIBRARY/lef/LIBRARY.lef

# The SPICE netlist containing subcell definitions for all the standard cells
set spicefile=STAGING_PATH/TECHNAME/libs.ref/LIBRARY/spice/LIBRARY.spice

# The liberty format file containing standard cell timing and function information
set libertyfile=STAGING_PATH/TECHNAME/libs.ref/LIBRARY/lib/LIBRARY__ff_n40C_VOLTAGE.lib

# If there is another LEF file containing technology information
# that is separate from the file containing standard cell macros,
# set this.  Otherwise, leave it defined as an empty string.

#ifdef METAL5
set techleffile=STAGING_PATH/TECHNAME/libs.ref/LIBRARY/techlef/LIBRARY__nom.tlef
#else
# NOTE:  There is no technology LEF file for the 3-metal stack!
#endif

# All cells below should be the lowest output drive strength value,
# if the standard cell set has multiple cells with different drive
# strengths.  Comment out any cells that do not exist.

set bufcell=LIBRARY__buf_1	;# Minimum drive strength buffer cell
set bufpin_in=A			;# Name of input port to buffer cell
set bufpin_out=X		;# Name of output port to buffer cell
set clkbufcell=LIBRARY__clkbuf_1	;# Minimum drive strength buffer cell
set clkbufpin_in=A		;# Name of input port to buffer cell
set clkbufpin_out=X		;# Name of output port to buffer cell

set fillcell=LIBRARY__fill_	;# Spacer (filler) cell (prefix, if more than one)
set decapcell=LIBRARY__decap_	;# Decap (filler) cell (prefix, if more than one)
set antennacell=LIBRARY__diode_	;# Antenna (filler) cell (prefix, if more than one)
set antennapin_in=vpb		;# Antenna cell input connection
set bodytiecell=LIBRARY__tapvpwrvgnd_	;# Body tie (filler) cell (prefix, if more than one)

# yosys tries to eliminate use of these; depends on source .v
set tiehi="LIBRARY__conb_1"	;# Cell to connect to power, if one exists
set tiehipin_out="HI"		;# Output pin name of tiehi cell, if it exists
set tielo="LIBRARY__conb_1"	;# Cell to connect to ground, if one exists
set tielopin_out="LO"		;# Output pin name of tielo cell, if it exists

set gndnet="vgnd,vnb"		;# Name used for ground pins and taps in standard cells
set vddnet="vpwr,vpb"		;# Name used for power pins and taps in standard cells

set separator=""		;# Separator between gate names and drive strengths
set techfile=STAGING_PATH/TECHNAME/MAGIC_CURRENT/TECHNAME.tech	;# magic techfile
set magicrc=STAGING_PATH/TECHNAME/MAGIC_CURRENT/TECHNAME.magicrc	;# magic startup script
set magic_display="XR" 	;# magic display, defeat display query and OGL preference
set netgen_setup=STAGING_PATH/TECHNAME/libs.tech/netgen/TECHNAME_setup.tcl	;# netgen setup file for LVS
set gdsfile=STAGING_PATH/TECHNAME/libs.ref/LIBRARY/gds/LIBRARY.gds	;# GDS database of standard cells
set verilogfile=STAGING_PATH/TECHNAME/libs.ref/LIBRARY/verilog/LIBRARY.v	;# Verilog models of standard cells

# Set a conditional default in the project_vars.sh file for this process
set postproc_options="-anchors"
#ifdef METAL5
# Normally one does not want to use the top metal for signal routing
set route_layers = 5
#else
set route_layers = 3
#endif
set fill_ratios="0,70,10,20"
set fanout_options="-l 200 -c 20"
set addspacers_options="-stripe 2.5 50.0 PG"
set xspice_options="-io_time=500p -time=50p -idelay=5p -odelay=50p -cload=250f"