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Reworking control logic for veritcal poly. Rewrote delay line. Rewrote buffered-DFF array.

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This commit is contained in:
Matt Guthaus
2018-03-23 08:12:47 -07:00
parent c020d74f26
commit ed8eaed54f
16 changed files with 1184 additions and 777 deletions
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compiler/modules/dff_array.py
+3 -21
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@@ -4,7 +4,6 @@ from tech import drc
from math import log
from vector import vector
from globals import OPTS
import dff_buf
class dff_array(design.design):
"""
@@ -21,7 +20,9 @@ class dff_array(design.design):
design.design.__init__(self, name)
debug.info(1, "Creating {}".format(self.name))
self.dff = dff_buf.dff_buf(inv1_size, inv2_size)
c = reload(__import__(OPTS.dff))
self.mod_dff = getattr(c, OPTS.dff)
self.dff = self.mod_dff("dff")
self.add_mod(self.dff)
self.width = self.columns * self.dff.width
@@ -42,7 +43,6 @@ class dff_array(design.design):
for y in range(self.rows):
for x in range(self.columns):
self.add_pin(self.get_dout_name(y,x))
self.add_pin(self.get_dout_bar_name(y,x))
self.add_pin("clk")
self.add_pin("vdd")
self.add_pin("gnd")
@@ -64,7 +64,6 @@ class dff_array(design.design):
mirror=mirror)
self.connect_inst([self.get_din_name(y,x),
self.get_dout_name(y,x),
self.get_dout_bar_name(y,x),
"clk",
"vdd",
"gnd"])
@@ -89,15 +88,6 @@ class dff_array(design.design):
return dout_name
def get_dout_bar_name(self, row, col):
if self.columns == 1:
dout_bar_name = "dout_bar[{0}]".format(row)
elif self.rows == 1:
dout_bar_name = "dout_bar[{0}]".format(col)
else:
dout_bar_name = "dout_bar[{0}][{1}]".format(row,col)
return dout_bar_name
def add_layout_pins(self):
@@ -138,14 +128,6 @@ class dff_array(design.design):
height=dout_pin.height())
dout_bar_pin = self.dff_insts[x,y].get_pin("Qb")
debug.check(dout_bar_pin.layer=="metal2","DFF Qb pin not on metal2")
self.add_layout_pin(text=self.get_dout_bar_name(y,x),
layer=dout_bar_pin.layer,
offset=dout_bar_pin.ll(),
width=dout_bar_pin.width(),
height=dout_bar_pin.height())
# Create vertical spines to a single horizontal rail
clk_pin = self.dff_insts[0,0].get_pin("clk")