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authorWilliam D. Jones <thor0505@comcast.net>2020-12-03 22:05:44 -0500
committergatecat <gatecat@ds0.me>2021-02-12 10:36:59 +0000
commitdfedef5772fa80baec0b92315ae03715657d205e (patch)
tree1965ef780cbf94e9fdda596ac1eab4ade7569810 /machxo2
parente0b14ba98e959a23bdc211c96a0917b5761a5116 (diff)
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machxo2: Add pip and wire info into facade_import.
Diffstat (limited to 'machxo2')
-rw-r--r--machxo2/facade_import.py50
1 files changed, 50 insertions, 0 deletions
diff --git a/machxo2/facade_import.py b/machxo2/facade_import.py
index 88ee3b71..24491c3b 100644
--- a/machxo2/facade_import.py
+++ b/machxo2/facade_import.py
@@ -77,6 +77,11 @@ def write_database(dev_name, chip, rg, endianness):
bba.u16(loc.x, "%s.x" % sym_name)
bba.u16(loc.y, "%s.y" % sym_name)
+ # Use Lattice naming conventions, so convert to 1-based col indexing.
+ def get_wire_name(loc, idx):
+ tile = rg.tiles[loc]
+ return "R{}C{}_{}".format(loc.y, loc.x + 1, rg.to_str(tile.wires[idx].name))
+
# Before doing anything, ensure sorted routing graph iteration matches
# y, x
tile_iter = list(sorted(rg.tiles, key=lambda l : (l.key().y, l.key().x)))
@@ -109,9 +114,54 @@ def write_database(dev_name, chip, rg, endianness):
if len(t.arcs) > 0:
bba.l("loc%d_%d_pips" % (l.y, l.x), "PipInfoPOD")
+ for arc in t.arcs:
+ write_loc(arc.srcWire.rel, "src")
+ write_loc(arc.sinkWire.rel, "dst")
+ bba.u32(arc.srcWire.id, "src_idx {}".format(get_wire_name(arc.srcWire.rel, arc.srcWire.id)))
+ bba.u32(arc.sinkWire.id, "dst_idx {}".format(get_wire_name(arc.sinkWire.rel, arc.sinkWire.id)))
+ src_name = get_wire_name(arc.srcWire.rel, arc.srcWire.id)
+ snk_name = get_wire_name(arc.sinkWire.rel, arc.sinkWire.id)
+ # bba.u32(get_pip_class(src_name, snk_name), "timing_class")
+ bba.u16(get_tiletype_index(rg.to_str(arc.tiletype)), "tile_type")
+ cls = arc.cls
+ bba.u8(arc.cls, "pip_type")
+ bba.u8(0, "padding")
if len(t.wires) > 0:
+ for wire_idx in range(len(t.wires)):
+ wire = t.wires[wire_idx]
+ if len(wire.arcsDownhill) > 0:
+ bba.l("loc%d_%d_wire%d_downpips" % (l.y, l.x, wire_idx), "PipLocatorPOD")
+ for dp in wire.arcsDownhill:
+ write_loc(dp.rel, "rel_loc")
+ bba.u32(dp.id, "index")
+ if len(wire.arcsUphill) > 0:
+ bba.l("loc%d_%d_wire%d_uppips" % (l.y, l.x, wire_idx), "PipLocatorPOD")
+ for up in wire.arcsUphill:
+ write_loc(up.rel, "rel_loc")
+ bba.u32(up.id, "index")
+ if len(wire.belPins) > 0:
+ bba.l("loc%d_%d_wire%d_belpins" % (l.y, l.x, wire_idx), "BelPortPOD")
+ for bp in wire.belPins:
+ write_loc(bp.bel.rel, "rel_bel_loc")
+ bba.u32(bp.bel.id, "bel_index")
+ # bba.u32(constids[rg.to_str(bp.pin)], "port")
+
bba.l("loc%d_%d_wires" % (l.y, l.x), "WireInfoPOD")
+ for wire_idx in range(len(t.wires)):
+ wire = t.wires[wire_idx]
+ bba.s(rg.to_str(wire.name), "name")
+ # bba.u32(constids[wire_type(ddrg.to_str(wire.name))], "type")
+ # if ("TILE_WIRE_" + ddrg.to_str(wire.name)) in gfx_wire_ids:
+ # bba.u32(gfx_wire_ids["TILE_WIRE_" + ddrg.to_str(wire.name)], "tile_wire")
+ # else:
+ bba.u32(0, "tile_wire")
+ bba.u32(len(wire.arcsUphill), "num_uphill")
+ bba.u32(len(wire.arcsDownhill), "num_downhill")
+ bba.r("loc%d_%d_wire%d_uppips" % (l.y, l.x, wire_idx) if len(wire.arcsUphill) > 0 else None, "pips_uphill")
+ bba.r("loc%d_%d_wire%d_downpips" % (l.y, l.x, wire_idx) if len(wire.arcsDownhill) > 0 else None, "pips_downhill")
+ bba.u32(len(wire.belPins), "num_bel_pins")
+ bba.r("loc%d_%d_wire%d_belpins" % (l.y, l.x, wire_idx) if len(wire.belPins) > 0 else None, "bel_pins")
if len(t.bels) > 0:
bba.l("loc%d_%d_bels" % (l.y, l.x), "BelInfoPOD")