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Power routing changes.

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Make the power rails an "experimental_power" option and conditional.
Rename route_vdd_gnd to route_supplies everywhere for consistency.
This commit is contained in:
mrg
2022-03-06 09:56:00 -08:00
parent 8b3c10ae79
commit d69e55c2e3
11 changed files with 227 additions and 100 deletions
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compiler/modules/write_driver_array.py
+15 -3
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@@ -72,6 +72,7 @@ class write_driver_array(design.design):
self.width = self.local_insts[-1].rx()
self.height = self.driver.height
self.add_layout_pins()
self.route_supplies()
self.add_boundary()
self.DRC_LVS()
@@ -204,9 +205,6 @@ class write_driver_array(design.design):
width=br_pin.width(),
height=br_pin.height())
self.route_horizontal_pins("vdd")
self.route_horizontal_pins("gnd")
if self.write_size:
for bit in range(self.num_wmasks):
inst = self.local_insts[bit * self.write_size]
@@ -256,3 +254,17 @@ class write_driver_array(design.design):
layer="m1",
offset=inst.get_pin(inst.mod.en_name).ll().scale(0, 1),
width=self.width)
def route_supplies(self):
if OPTS.experimental_power:
self.route_horizontal_pins("vdd")
self.route_horizontal_pins("gnd")
else:
for i in range(self.word_size + self.num_spare_cols):
inst = self.local_insts[i]
for n in ["vdd", "gnd"]:
pin_list = inst.get_pins(n)
for pin in pin_list:
self.copy_power_pin(pin, directions=("V", "V"))