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Change control layers in sky130.

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This commit is contained in:
mrg
2020-06-29 16:23:25 -07:00
parent bec948dcc3
commit 459e3789b8
4 changed files with 84 additions and 57 deletions
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compiler/modules/precharge_array.py
+15 -13
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@@ -30,6 +30,11 @@ class precharge_array(design.design):
self.bitcell_br = bitcell_br
self.column_offset = column_offset
if OPTS.tech_name == "sky130":
self.en_bar_layer = "m3"
else:
self.en_bar_layer = "m1"
self.create_netlist()
if not OPTS.netlist_only:
self.create_layout()
@@ -74,21 +79,18 @@ class precharge_array(design.design):
def add_layout_pins(self):
en_bar_pin = self.pc_cell.get_pin("en_bar")
if en_bar_pin.layer =="li":
en_bar_layer = "m3"
else:
en_bar_layer = en_bar_pin.layer
r = self.add_layout_pin(text="en_bar",
layer=en_bar_layer,
offset=en_bar_pin.ll(),
width=self.width,
height=en_bar_pin.height())
self.add_via_stack_center(from_layer=en_bar_pin.layer,
to_layer=en_bar_layer,
offset = r.center())
en_pin = self.pc_cell.get_pin("en_bar")
start_offset = en_pin.lc().scale(0, 1)
end_offset = start_offset + vector(self.width, 0)
self.add_layout_pin_segment_center(text="en_bar",
layer=self.en_bar_layer,
start=start_offset,
end=end_offset)
for inst in self.local_insts:
self.add_via_stack_center(from_layer=en_pin.layer,
to_layer=self.en_bar_layer,
offset=inst.get_pin("en_bar").center())
self.copy_layout_pin(inst, "vdd")
for i in range(len(self.local_insts)):