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Fix missing via in clk input of control

This commit is contained in:
Matt Guthaus 2018-11-28 13:20:39 -08:00
parent 2ed8fc1506
commit b5b691b73d
2 changed files with 13 additions and 11 deletions
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2
compiler/modules/bank.py
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@ -1227,7 +1227,7 @@ class bank(design.design):
# clk to wordline_driver # clk to wordline_driver
control_signal = self.prefix+"p_en_bar{}".format(port) control_signal = self.prefix+"p_en_bar{}".format(port)
pin_pos = self.wordline_driver_inst[port].get_pin("en").bc() pin_pos = self.wordline_driver_inst[port].get_pin("en_bar").bc()
mid_pos = pin_pos - vector(0,self.m1_pitch) mid_pos = pin_pos - vector(0,self.m1_pitch)
control_x_offset = self.bus_xoffset[port][control_signal].x control_x_offset = self.bus_xoffset[port][control_signal].x
control_pos = vector(control_x_offset, mid_pos.y) control_pos = vector(control_x_offset, mid_pos.y)

22
compiler/modules/control_logic.py
View File

@ -280,17 +280,21 @@ class control_logic(design.design):
def route_clk_buf(self): def route_clk_buf(self):
clk_pin = self.clkbuf_inst.get_pin("A") clk_pin = self.clkbuf_inst.get_pin("A")
clk_pos = clk_pin.center()
self.add_layout_pin_segment_center(text="clk", self.add_layout_pin_segment_center(text="clk",
layer="metal2", layer="metal2",
start=clk_pin.bc(), start=clk_pos,
end=clk_pin.bc().scale(1,0)) end=clk_pos.scale(1,0))
self.add_via_center(layers=("metal1","via1","metal2"),
offset=clk_pos)
clkbuf_map = zip(["Z"], ["clk_buf"]) clkbuf_map = zip(["Z"], ["clk_buf"])
self.connect_vertical_bus(clkbuf_map, self.clkbuf_inst, self.rail_offsets, ("metal3", "via2", "metal2")) self.connect_vertical_bus(clkbuf_map, self.clkbuf_inst, self.rail_offsets, ("metal3", "via2", "metal2"))
# The pin is on M1, so we need another via as well # The pin is on M1, so we need another via as well
self.add_via_center(layers=("metal1","via1","metal2"), self.add_via_center(layers=("metal1","via1","metal2"),
offset=self.clkbuf_inst.get_pin("Z").center(), offset=self.clkbuf_inst.get_pin("Z").center())
rotate=90)
self.connect_output(self.clkbuf_inst, "Z", "clk_buf") self.connect_output(self.clkbuf_inst, "Z", "clk_buf")
@ -332,16 +336,15 @@ class control_logic(design.design):
self.connect_vertical_bus(clkbuf_map, self.gated_clk_bar_inst, self.rail_offsets, ("metal3", "via2", "metal2")) self.connect_vertical_bus(clkbuf_map, self.gated_clk_bar_inst, self.rail_offsets, ("metal3", "via2", "metal2"))
# The pin is on M1, so we need another via as well # The pin is on M1, so we need another via as well
self.add_via_center(layers=("metal1","via1","metal2"), self.add_via_center(layers=("metal1","via1","metal2"),
offset=self.gated_clk_bar_inst.get_pin("A").center(), offset=self.gated_clk_bar_inst.get_pin("A").center())
rotate=90)
# This is the second gate over, so it needs to be on M3 # This is the second gate over, so it needs to be on M3
clkbuf_map = zip(["Z"], ["gated_clk_bar"]) clkbuf_map = zip(["Z"], ["gated_clk_bar"])
self.connect_vertical_bus(clkbuf_map, self.gated_clk_bar_inst, self.rail_offsets, ("metal3", "via2", "metal2")) self.connect_vertical_bus(clkbuf_map, self.gated_clk_bar_inst, self.rail_offsets, ("metal3", "via2", "metal2"))
# The pin is on M1, so we need another via as well # The pin is on M1, so we need another via as well
self.add_via_center(layers=("metal1","via1","metal2"), self.add_via_center(layers=("metal1","via1","metal2"),
offset=self.gated_clk_bar_inst.get_pin("Z").center(), offset=self.gated_clk_bar_inst.get_pin("Z").center())
rotate=90)
def create_gated_clk_buf_row(self): def create_gated_clk_buf_row(self):
self.gated_clk_buf_inst = self.add_inst(name="and2_gated_clk_buf", self.gated_clk_buf_inst = self.add_inst(name="and2_gated_clk_buf",
@ -367,8 +370,7 @@ class control_logic(design.design):
self.connect_vertical_bus(clkbuf_map, self.gated_clk_buf_inst, self.rail_offsets, ("metal3", "via2", "metal2")) self.connect_vertical_bus(clkbuf_map, self.gated_clk_buf_inst, self.rail_offsets, ("metal3", "via2", "metal2"))
# The pin is on M1, so we need another via as well # The pin is on M1, so we need another via as well
self.add_via_center(layers=("metal1","via1","metal2"), self.add_via_center(layers=("metal1","via1","metal2"),
offset=self.gated_clk_buf_inst.get_pin("Z").center(), offset=self.gated_clk_buf_inst.get_pin("Z").center())
rotate=90)
def create_wlen_row(self): def create_wlen_row(self):
# input pre_p_en, output: wl_en # input pre_p_en, output: wl_en