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Add some vertical/horizontal pins for sky130 only

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This commit is contained in:
mrg
2022-03-16 07:58:29 -07:00
parent 8979612cca
commit 7e7670581c
4 changed files with 59 additions and 48 deletions
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compiler/modules/hierarchical_decoder.py
+1 -1
View File
@@ -596,7 +596,7 @@ class hierarchical_decoder(design.design):
"""
# This is an experiment with power rails
if OPTS.experimental_power:
if OPTS.tech_name=="sky130" or OPTS.experimental_power:
if layer_props.hierarchical_decoder.vertical_supply:
pre_insts = self.pre2x4_inst + self.pre3x8_inst + self.pre4x16_inst
self.route_vertical_pins("vdd", insts=pre_insts, yside="by")
compiler/modules/precharge_array.py
+1 -1
View File
@@ -95,7 +95,7 @@ class precharge_array(design.design):
self.copy_layout_pin(inst, "br", "br_{0}".format(i))
def route_supplies(self):
if OPTS.experimental_power:
if OPTS.tech_name=="sky130" or OPTS.experimental_power:
self.route_horizontal_pins("vdd")
else:
for inst in self.local_insts:
compiler/modules/replica_bitcell_array.py
+7 -20
View File
@@ -458,27 +458,14 @@ class replica_bitcell_array(bitcell_base_array):
width=pin.width(),
height=self.height)
# vdd/gnd are only connected in the perimeter cells
# replica column should only have a vdd/gnd in the dummy cell on top/bottom
supply_insts = self.dummy_col_insts + self.dummy_row_insts
if OPTS.experimental_power:
for pin_name in self.supplies:
#self.route_vertical_pins(name=pin_name, insts=supply_insts)
self.route_horizontal_pins(name=pin_name, insts=supply_insts)
#self.route_vertical_pins(name=pin_name, insts=self.replica_col_insts)
#self.route_horizontal_pins(name=pin_name, insts=self.replica_col_insts)
for inst in supply_insts:
pin_list = inst.get_pins(pin_name)
for pin in pin_list:
self.copy_power_pin(pin)
for inst in self.replica_col_insts:
if inst:
self.copy_layout_pin(inst, pin_name)
if OPTS.tech_name=="sky130" or OPTS.experimental_power:
self.route_vertical_pins(name="gnd", insts=self.replica_col_insts)
self.route_horizontal_pins(name="vdd", insts=self.dummy_row_insts)
else:
# vdd/gnd are only connected in the perimeter cells
# replica column should only have a vdd/gnd in the dummy cell on top/bottom
supply_insts = self.dummy_col_insts + self.dummy_row_insts
for pin_name in self.supplies:
for inst in supply_insts:
pin_list = inst.get_pins(pin_name)