# Process node
set ::env(PROCESS) 180
set ::env(DEF_UNITS_PER_MICRON) 2000

set ::env(VDD_PIN) "VDD"
set ::env(GND_PIN) "VSS"
set ::env(VDD_PIN_VOLTAGE) "5.00"
set ::env(GND_PIN_VOLTAGE) "0.00"

set ::env(STD_CELL_POWER_PINS) "VDD VNW"
set ::env(STD_CELL_GROUND_PINS) "VSS VPW"

if { ![info exist ::env(STD_CELL_LIBRARY)] } {
    set ::env(STD_CELL_LIBRARY) gf180mcu_fd_sc_mcu7t5v0
}
if { ![info exist ::env(STD_CELL_LIBRARY_OPT)] } {
    set ::env(STD_CELL_LIBRARY_OPT) gf180mcu_fd_sc_mcu7t5v0
}

# Lib Files
set ::env(LIB_SYNTH) "$::env(PDK_ROOT)/$::env(PDK)/libs.ref/$::env(STD_CELL_LIBRARY)/liberty/$::env(STD_CELL_LIBRARY)__tt_025C_5v00.lib"
set ::env(LIB_FASTEST) "$::env(PDK_ROOT)/$::env(PDK)/libs.ref/$::env(STD_CELL_LIBRARY)/liberty/$::env(STD_CELL_LIBRARY)__ff_n40C_5v50.lib"
set ::env(LIB_SLOWEST) "$::env(PDK_ROOT)/$::env(PDK)/libs.ref/$::env(STD_CELL_LIBRARY)/liberty/$::env(STD_CELL_LIBRARY)__ss_125C_4v50.lib"

set ::env(LIB_TYPICAL) $::env(LIB_SYNTH)

# Technology LEF
set ::env(TECH_LEF) [glob "$::env(PDK_ROOT)/$::env(PDK)/libs.ref/$::env(STD_CELL_LIBRARY)/techlef/*__nom.tlef"]
set ::env(TECH_LEF_MIN)  [glob "$::env(PDK_ROOT)/$::env(PDK)/libs.ref/$::env(STD_CELL_LIBRARY)/techlef/*__min.tlef"]
set ::env(TECH_LEF_MAX)  [glob "$::env(PDK_ROOT)/$::env(PDK)/libs.ref/$::env(STD_CELL_LIBRARY)/techlef/*__max.tlef"]
set ::env(CELLS_LEF) [glob "$::env(PDK_ROOT)/$::env(PDK)/libs.ref/$::env(STD_CELL_LIBRARY)/lef/*.lef"]
set ::env(GDS_FILES) [glob "$::env(PDK_ROOT)/$::env(PDK)/libs.ref/$::env(STD_CELL_LIBRARY)/gds/*.gds"]
set ::env(STD_CELL_LIBRARY_CDL)	"$::env(PDK_ROOT)/$::env(PDK)/libs.ref/$::env(STD_CELL_LIBRARY)/cdl/$::env(STD_CELL_LIBRARY).cdl"
set ::env(GPIO_PADS_LEF) "\
    $::env(PDK_ROOT)/$::env(PDK)/libs.ref/gf180mcu_io/lef/GF018green_ipio_5p0c_75_5lm.lef
"
set ::env(GPIO_PADS_VERILOG) "\
    $::env(PDK_ROOT)/$::env(PDK)/libs.ref/gf180mcu_io/verilog/GF018green_ipio_5p0c_75_5lm.v
"


# Latch mapping
set ::env(SYNTH_LATCH_MAP) "$::env(PDK_ROOT)/$::env(PDK)/libs.tech/openlane/$::env(STD_CELL_LIBRARY)/latch_map.v"

# Tri-state buffer mapping
set ::env(TRISTATE_BUFFER_MAP) "$::env(PDK_ROOT)/$::env(PDK)/libs.tech/openlane/$::env(STD_CELL_LIBRARY)/tribuff_map.v"

# Full adder mapping
set ::env(FULL_ADDER_MAP) "$::env(PDK_ROOT)/$::env(PDK)/libs.tech/openlane/$::env(STD_CELL_LIBRARY)/fa_map.v"

# Ripple carry adder mapping
set ::env(RIPPLE_CARRY_ADDER_MAP) "$::env(PDK_ROOT)/$::env(PDK)/libs.tech/openlane/$::env(STD_CELL_LIBRARY)/rca_map.v"

# Carry select adder mapping
set ::env(CARRY_SELECT_ADDER_MAP) "$::env(PDK_ROOT)/$::env(PDK)/libs.tech/openlane/$::env(STD_CELL_LIBRARY)/csa_map.v"

# Default No Synth List
set ::env(NO_SYNTH_CELL_LIST) "$::env(PDK_ROOT)/$::env(PDK)/libs.tech/openlane/$::env(STD_CELL_LIBRARY)/no_synth.cells"

# Default DRC Exclude List
set ::env(DRC_EXCLUDE_CELL_LIST) "$::env(PDK_ROOT)/$::env(PDK)/libs.tech/openlane/$::env(STD_CELL_LIBRARY)/drc_exclude.cells"

# DRC Exclude List for Optimization library
set ::env(DRC_EXCLUDE_CELL_LIST_OPT) "$::env(PDK_ROOT)/$::env(PDK)/libs.tech/openlane/$::env(STD_CELL_LIBRARY_OPT)/drc_exclude.cells"

# Open-RCX Rules File
set ::env(RCX_RULES) "$::env(PDK_ROOT)/$::env(PDK)/libs.tech/openlane/rcx_rules.info"

# Floorplanning
## Layer Info
set ::env(FP_IO_HLAYER) "Metal3"
set ::env(FP_IO_VLAYER) "Metal2"
set ::env(FP_PDN_RAIL_LAYER) "Metal1"
set ::env(FP_PDN_VERTICAL_LAYER) "Metal4"
set ::env(FP_PDN_HORIZONTAL_LAYER) "Metal5"
set ::env(MACRO_BLOCKAGES_LAYER) "Metal1 Metal2 Metal3 Metal4 Metal5"
set ::env(WIRE_RC_LAYER) "Metal2"
set ::env(DATA_WIRE_RC_LAYER) "Metal2"
set ::env(CLOCK_WIRE_RC_LAYER) "Metal4"

## Tap Cell Dist
set ::env(FP_TAPCELL_DIST) 20

## Extra PDN configs

set ::env(FP_PDN_RAIL_OFFSET) 0
set ::env(FP_PDN_VWIDTH) 1.6
set ::env(FP_PDN_HWIDTH) 1.6
set ::env(FP_PDN_VSPACING) 1.7
set ::env(FP_PDN_HSPACING) 1.7
set ::env(FP_PDN_VOFFSET) 16.32
set ::env(FP_PDN_VPITCH) 153.6
set ::env(FP_PDN_HOFFSET) 16.65
set ::env(FP_PDN_HPITCH) 153.18

## Core Ring PDN defaults
set ::env(FP_PDN_CORE_RING_VWIDTH) 1.6
set ::env(FP_PDN_CORE_RING_HWIDTH) 1.6
set ::env(FP_PDN_CORE_RING_VSPACING) 1.7
set ::env(FP_PDN_CORE_RING_HSPACING) 1.7
set ::env(FP_PDN_CORE_RING_VOFFSET) 6
set ::env(FP_PDN_CORE_RING_HOFFSET) 6

# Timing
set ::env(RCX_RULES) "$::env(PDK_ROOT)/$::env(PDK)/libs.tech/openlane/rules.openrcx.$::env(PDK).nom"
set ::env(RCX_RULES_MIN) "$::env(PDK_ROOT)/$::env(PDK)/libs.tech/openlane/rules.openrcx.$::env(PDK).min"
set ::env(RCX_RULES_MAX) "$::env(PDK_ROOT)/$::env(PDK)/libs.tech/openlane/rules.openrcx.$::env(PDK).max"

# Routing
set ::env(METAL_LAYER_NAMES) "Metal1 Metal2 Metal3 Metal4 Metal5"
set ::env(RT_MIN_LAYER) "Metal2" ;# stdcells heavily use Metal1 - setting it to Metal1 will cause congestions
set ::env(RT_MAX_LAYER) "Metal5"
set ::env(DRT_MIN_LAYER) "Metal1"
set ::env(GRT_LAYER_ADJUSTMENTS) "0,0,0,0,0"

## Tracks info
set ::env(TRACKS_INFO_FILE) "$::env(PDK_ROOT)/$::env(PDK)/libs.tech/openlane/$::env(STD_CELL_LIBRARY)/tracks.info"

# Signoff
## Magic
set ::env(MAGIC_MAGICRC) "$::env(PDK_ROOT)/$::env(PDK)/libs.tech/magic/$::env(PDK).magicrc"
set ::env(MAGIC_TECH_FILE) "$::env(PDK_ROOT)/$::env(PDK)/libs.tech/magic/$::env(PDK).tech"

## Klayout
set ::env(KLAYOUT_TECH) "$::env(PDK_ROOT)/$::env(PDK)/libs.tech/klayout/tech/gf180mcu.lyt"
set ::env(KLAYOUT_PROPERTIES) "$::env(PDK_ROOT)/$::env(PDK)/libs.tech/klayout/tech/gf180mcu.lyp"
set ::env(KLAYOUT_DRC_TECH_SCRIPT) "$::env(PDK_ROOT)/$::env(PDK)/libs.tech/klayout/drc/gf180mcu.drc"
set ::env(KLAYOUT_DEF_LAYER_MAP) "$::env(PDK_ROOT)/$::env(PDK)/libs.tech/klayout/tech/gf180mcu.map"

## Netgen
set ::env(NETGEN_SETUP_FILE) "$::env(PDK_ROOT)/$::env(PDK)/libs.tech/netgen/$::env(PDK)_setup.tcl"

# # Temporary Override(s) Because OpenROAD can't read techlefs properly
# # Layer RC Values
# set ::env(LAYERS_RC) "\
#     Metal1 0.090000 0.0000394,\
#     Metal2 0.090000 0.0000394,\
#     Metal3 0.090000 0.0000394,\
#     Metal4 0.090000 0.0000394,\
#     Metal5 0.090000 0.0000394"

# set ::env(VIAS_RC) "\
#     Via1 4.500,\
#     Via2 4.500,\
#     Via3 4.500,\
#     Via4 4.500"