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Add initial custom layer properties.

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This commit is contained in:
mrg
2020-10-27 15:11:04 -07:00
parent 5bff641c0a
commit 611a4155b9
13 changed files with 142 additions and 101 deletions
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compiler/modules/column_mux_array.py
+15 -10
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@@ -11,7 +11,8 @@ from tech import layer, preferred_directions
from vector import vector
from sram_factory import factory
from globals import OPTS
from tech import cell_properties
from tech import cell_properties as cell_props
from tech import layer_properties as layer_props
class column_mux_array(design.design):
@@ -33,14 +34,18 @@ class column_mux_array(design.design):
self.bitcell_br = bitcell_br
self.column_offset = column_offset
if OPTS.tech_name == "sky130":
self.sel_layer = "m3"
self.sel_pitch = self.m3_pitch
self.bitline_layer = "m1"
else:
self.sel_layer = "m1"
self.sel_pitch = self.m2_pitch
self.bitline_layer = "m2"
self.sel_layer = layer_props.column_mux_array.select_layer
self.sel_pitch = getattr(self, layer_props.column_mux_array.select_pitch)
self.bitline_layer = layer_props.column_mux_array.bitline_layer
# if OPTS.tech_name == "sky130":
# self.sel_layer = "m3"
# self.sel_pitch = self.m3_pitch
# self.bitline_layer = "m1"
# else:
# self.sel_layer = "m1"
# self.sel_pitch = self.m2_pitch
# self.bitline_layer = "m2"
if preferred_directions[self.sel_layer] == "V":
self.via_directions = ("H", "H")
@@ -123,7 +128,7 @@ class column_mux_array(design.design):
# For every column, add a pass gate
for col_num, xoffset in enumerate(self.offsets[0:self.columns]):
if cell_properties.bitcell.mirror.y and (col_num + self.column_offset) % 2:
if cell_props.bitcell.mirror.y and (col_num + self.column_offset) % 2:
mirror = "MY"
xoffset = xoffset + self.mux.width
else: