ol2/tt_top: make analog wires 0.9 um wide

Author: urish

ol2/tt_top/odb_route_analog_pins.py

@@ -32,17 +32,24 @@ def route_analog_pins(
 	via4 = tech.findVia("Via4_YX_so")
 	via3 = tech.findVia("Via3_XY_so")
 
+	analog_track = odb.dbTechNonDefaultRule_create(reader.block, 'analog_track')
+	for layer in ['Metal1', 'Metal2', 'Metal3', 'Metal4', 'Metal5', 'TopMetal1']:
+		layer_rule = odb.dbTechLayerRule_create(analog_track, tech.findLayer(layer))
+		layer_rule.setWidth(900)
+		layer_rule.setSpacing(2700)
+
 	for inst in reader.block.getInsts():
 		if inst.getMaster().getName() == "tt_um_htfab_r2r_dac":
 			for term in inst.getITerms():
 				net = term.getNet()
 				if net.getName() == "pad_raw[58]":
 					net.clearSpecial()
+					net.setNonDefaultRule(analog_track)
 					bbox = term.getBBox()
 					wire = odb.dbWire.create(net)
 					encoder = odb.dbWireEncoder()
 					encoder.begin(wire)
-					encoder.newPath(metal5, "FIXED")
+					encoder.newPath(metal5, "FIXED", analog_track.getLayerRule(metal5))
 					encoder.addPoint(bbox.xMin(), bbox.yCenter())
 					encoder.addPoint(bbox.xMin() - 50000, bbox.yCenter())
 					encoder.addTechVia(via4)
@@ -56,26 +63,28 @@ def route_analog_pins(
 				net = term.getNet()
 				if net.getName() == "pad_raw[59]":
 					net.clearSpecial()
+					net.setNonDefaultRule(analog_track)
 					bbox = term.getBBox()
 					wire = odb.dbWire.create(net)
 					encoder = odb.dbWireEncoder()
 					encoder.begin(wire)	
-					encoder.newPath(metal5, "FIXED")
+					encoder.newPath(metal5, "FIXED", analog_track.getLayerRule(metal5))
 					encoder.addPoint(bbox.xMin(), bbox.yCenter())
-					encoder.addPoint(bbox.xMin() - 49000, bbox.yCenter())
+					encoder.addPoint(bbox.xMin() - 47300, bbox.yCenter())
 					encoder.addTechVia(via4)
-					encoder.addPoint(bbox.xMin() - 49000, 886490)
+					encoder.addPoint(bbox.xMin() - 47300, 886490)
 					encoder.addPoint(319855, 886490)
 					encoder.addTechVia(via3)
 					encoder.addPoint(319855, 884490)
 					encoder.end()
 				if net.getName() == "pad_raw[60]":
 					net.clearSpecial()
+					net.setNonDefaultRule(analog_track)
 					bbox = term.getBBox()
 					wire = odb.dbWire.create(net)
 					encoder = odb.dbWireEncoder()
 					encoder.begin(wire)
-					encoder.newPath(metal5, "FIXED")
+					encoder.newPath(metal5, "FIXED", analog_track.getLayerRule(metal5))
 					encoder.addPoint(bbox.xMin(), bbox.yCenter())
 					encoder.addPoint(bbox.xMin() - 50000, bbox.yCenter())
 					encoder.addTechVia(via4)
@@ -86,11 +95,12 @@ def route_analog_pins(
 					encoder.end()
 				if net.getName() == "pad_raw[61]":
 					net.clearSpecial()
+					net.setNonDefaultRule(analog_track)
 					bbox = term.getBBox()
 					wire = odb.dbWire.create(net)
 					encoder = odb.dbWireEncoder()
 					encoder.begin(wire)
-					encoder.newPath(metal5, "FIXED")
+					encoder.newPath(metal5, "FIXED", analog_track.getLayerRule(metal5))
 					encoder.addPoint(bbox.xMin(), bbox.yCenter())
 					encoder.addPoint(bbox.xMin() - 50000, bbox.yCenter())
 					encoder.addTechVia(via4)