673 lines
25 KiB
Python
Executable File
673 lines
25 KiB
Python
Executable File
#!/usr/bin/env python3
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import pytrellis
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import database
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import argparse
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location_types = dict()
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type_at_location = dict()
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tiletype_names = dict()
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parser = argparse.ArgumentParser(description="import ECP5 routing and bels from Project Trellis")
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group = parser.add_mutually_exclusive_group()
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group.add_argument("-b", "--binary", action="store_true")
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group.add_argument("-c", "--c_file", action="store_true")
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parser.add_argument("device", type=str, help="target device")
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parser.add_argument("outfile", type=argparse.FileType('w'), help="output filename")
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parser.add_argument("-p", "--portspins", type=str, help="path to portpins.inc")
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args = parser.parse_args()
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def is_global(loc):
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return loc.x == -2 and loc.y == -2
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# Get the index for a tiletype
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def get_tiletype_index(name):
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if name in tiletype_names:
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return tiletype_names[name]
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idx = len(tiletype_names)
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tiletype_names[name] = idx
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return idx
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portpins = dict()
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loc_wire_indices = dict()
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loc_wires = dict()
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loc_bels = dict()
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wire_bel_pins_uphill = dict()
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wire_bel_pins_downhill = dict()
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# Import all wire names at all locations
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def import_location_wires(rg, x, y):
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loc_wire_indices[x, y] = dict()
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loc_wires[x, y] = list()
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wire_bel_pins_uphill[x, y] = list()
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wire_bel_pins_downhill[x, y] = list()
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rtile = rg.tiles[pytrellis.Location(x, y)]
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for wire in rtile.wires:
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name = rg.to_str(wire.key())
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idx = len(loc_wires[x, y])
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loc_wires[x, y].append(name)
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loc_wire_indices[x, y][name] = idx
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wire_bel_pins_uphill[x, y].append([])
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wire_bel_pins_downhill[x, y].append([])
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# Take a RoutingId from Trellis and make into a (relx, rely, name) tuple
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def resolve_wirename(rg, rid, cur_x, cur_y):
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if is_global(rid.loc):
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return (cur_x, cur_y, rg.to_str(rid.id))
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else:
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x = rid.loc.x
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y = rid.loc.y
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widx = loc_wire_indices[x, y][rg.to_str(rid.id)]
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return (x - cur_x, y - cur_y, widx)
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loc_arc_indices = dict() # Map RoutingId index to nextpnr index
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loc_arcs = dict()
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# Import all arc indices at a location
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def index_location_arcs(rg, x, y):
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loc_arc_indices[x, y] = dict()
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loc_arcs[x, y] = list()
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rtile = rg.tiles[pytrellis.Location(x, y)]
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for arc in rtile.arcs:
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idx = len(loc_arcs[x, y])
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trid = arc.key()
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loc_arcs[x, y].append(trid)
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loc_arc_indices[x, y][trid] = idx
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def add_bel_input(bel_x, bel_y, bel_idx, bel_pin, wire_x, wire_y, wire_name):
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bel_pin = portpins[bel_pin]
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loc_bels[bel_x, bel_y][bel_idx][2].append((bel_pin, (wire_x, wire_y, loc_wire_indices[wire_x, wire_y][wire_name])))
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wire_bel_pins_downhill[wire_x, wire_y][loc_wire_indices[wire_x, wire_y][wire_name]].append((
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(bel_x, bel_y, bel_idx), bel_pin))
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def add_bel_output(bel_x, bel_y, bel_idx, bel_pin, wire_x, wire_y, wire_name):
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bel_pin = portpins[bel_pin]
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loc_bels[bel_x, bel_y][bel_idx][2].append((bel_pin, (wire_x, wire_y, loc_wire_indices[wire_x, wire_y][wire_name])))
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wire_bel_pins_uphill[wire_x, wire_y][loc_wire_indices[wire_x, wire_y][wire_name]].append((
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(bel_x, bel_y, bel_idx), bel_pin))
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def add_slice(x, y, z):
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idx = len(loc_bels[x, y])
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l = ("A", "B", "C", "D")[z]
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name = "SLICE" + l
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loc_bels[x, y].append((name, "SLICE", []))
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lc0 = z * 2
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lc1 = z * 2 + 1
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add_bel_input(x, y, idx, "A0", x, y, "A{}_SLICE".format(lc0))
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add_bel_input(x, y, idx, "B0", x, y, "B{}_SLICE".format(lc0))
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add_bel_input(x, y, idx, "C0", x, y, "C{}_SLICE".format(lc0))
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add_bel_input(x, y, idx, "D0", x, y, "D{}_SLICE".format(lc0))
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add_bel_input(x, y, idx, "M0", x, y, "M{}_SLICE".format(lc0))
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add_bel_input(x, y, idx, "A1", x, y, "A{}_SLICE".format(lc1))
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add_bel_input(x, y, idx, "B1", x, y, "B{}_SLICE".format(lc1))
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add_bel_input(x, y, idx, "C1", x, y, "C{}_SLICE".format(lc1))
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add_bel_input(x, y, idx, "D1", x, y, "D{}_SLICE".format(lc1))
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add_bel_input(x, y, idx, "M1", x, y, "M{}_SLICE".format(lc1))
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add_bel_input(x, y, idx, "FCI", x, y, "FCI{}_SLICE".format(l if z > 0 else ""))
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add_bel_input(x, y, idx, "FXA", x, y, "FXA{}_SLICE".format(l))
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add_bel_input(x, y, idx, "FXB", x, y, "FXB{}_SLICE".format(l))
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add_bel_input(x, y, idx, "CLK", x, y, "CLK{}_SLICE".format(z))
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add_bel_input(x, y, idx, "LSR", x, y, "LSR{}_SLICE".format(z))
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add_bel_input(x, y, idx, "CE", x, y, "CE{}_SLICE".format(z))
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add_bel_output(x, y, idx, "F0", x, y, "F{}_SLICE".format(lc0))
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add_bel_output(x, y, idx, "Q0", x, y, "Q{}_SLICE".format(lc0))
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add_bel_output(x, y, idx, "F1", x, y, "F{}_SLICE".format(lc1))
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add_bel_output(x, y, idx, "Q1", x, y, "Q{}_SLICE".format(lc1))
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add_bel_output(x, y, idx, "FCO", x, y, "FCO{}_SLICE".format(l if z < 3 else ""))
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def add_pio(x, y, z):
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idx = len(loc_bels[x, y])
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l = ("A", "B", "C", "D")[z]
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name = "PIO" + l
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loc_bels[x, y].append((name, "PIO", []))
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add_bel_input(x, y, idx, "I", x, y, "PADDO{}_PIO".format(l))
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add_bel_input(x, y, idx, "T", x, y, "PADDT{}_PIO".format(l))
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add_bel_output(x, y, idx, "O", x, y, "JPADDI{}_PIO".format(l))
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def add_bels(chip, x, y):
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loc_bels[x, y] = []
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tiles = chip.get_tiles_by_position(y, x)
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num_slices = 0
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num_pios = 0
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for tile in tiles:
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tt = tile.info.type
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if tt == "PLC2":
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num_slices = 4
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elif "PICL0" in tt or "PICR0" in tt:
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num_pios = 4
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elif "PIOT0" in tt or ("PICB0" in tt and "SPICB" not in tt):
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num_pios = 2
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for i in range(num_slices):
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add_slice(x, y, i)
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for i in range(num_pios):
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add_pio(x, y, i)
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# Import a location, deduplicating if appropriate
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def import_location(rg, x, y):
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rtile = rg.tiles[pytrellis.Location(x, y)]
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arcs = [] # (src, dst, configurable, tiletype)
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wires = [] # (name, uphill, downhill, belpin_uphill, belpins_downhill)
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bels = [] # (name, [(pin, wire)])
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for name in loc_wires[x, y]:
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w = rtile.wires[rg.ident(name)]
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arcs_uphill = []
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arcs_downhill = []
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belpins_uphill = []
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belpins_downhill = []
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for uh in w.uphill:
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arcidx = loc_arc_indices[uh.loc.x, uh.loc.y][uh.id]
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arcs_uphill.append((uh.loc.x - x, uh.loc.y - y, arcidx))
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for dh in w.downhill:
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arcidx = loc_arc_indices[dh.loc.x, dh.loc.y][dh.id]
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arcs_downhill.append((dh.loc.x - x, dh.loc.y - y, arcidx))
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for bp in wire_bel_pins_uphill[x, y][loc_wire_indices[x, y][name]]:
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bel, pin = bp
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bel_x, bel_y, bel_idx = bel
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belpins_uphill.append(((bel_x - x, bel_y - y, bel_idx), pin))
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for bp in wire_bel_pins_downhill[x, y][loc_wire_indices[x, y][name]]:
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bel, pin = bp
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bel_x, bel_y, bel_idx = bel
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belpins_downhill.append(((bel_x - x, bel_y - y, bel_idx), pin))
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assert len(belpins_uphill) <= 1
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wires.append((name, tuple(arcs_downhill), tuple(arcs_uphill), tuple(belpins_uphill), tuple(belpins_downhill)))
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for bel in loc_bels[x, y]:
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name, beltype, pins = bel
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xformed_pins = tuple((p[0], (p[1][0] - x, p[1][1] - y, p[1][2])) for p in pins)
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bels.append((name, beltype, xformed_pins))
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for arcidx in loc_arcs[x, y]:
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a = rtile.arcs[arcidx]
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source_wire = resolve_wirename(rg, a.source, x, y)
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dest_wire = resolve_wirename(rg, a.sink, x, y)
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arcs.append((source_wire, dest_wire, a.configurable, get_tiletype_index(rg.to_str(a.tiletype))))
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tile_data = (tuple(wires), tuple(arcs), tuple(bels))
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if tile_data in location_types:
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type_at_location[x, y] = location_types[tile_data]
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else:
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idx = len(location_types)
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location_types[tile_data] = idx
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type_at_location[x, y] = idx
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class BinaryBlobAssembler:
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def __init__(self, cname, endianness, nodebug=False):
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assert endianness in ["le", "be"]
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self.cname = cname
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self.endianness = endianness
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self.finalized = False
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self.data = bytearray()
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self.comments = dict()
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self.labels = dict()
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self.exports = set()
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self.labels_byaddr = dict()
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self.ltypes_byaddr = dict()
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self.strings = dict()
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self.refs = dict()
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self.nodebug = nodebug
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def l(self, name, ltype=None, export=False):
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assert not self.finalized
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assert name not in self.labels
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assert len(self.data) not in self.labels_byaddr
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self.labels[name] = len(self.data)
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if ltype is not None:
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self.ltypes_byaddr[len(self.data)] = ltype
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self.labels_byaddr[len(self.data)] = name
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if export:
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assert ltype is not None
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self.exports.add(len(self.data))
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def r(self, name, comment):
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assert not self.finalized
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assert len(self.data) % 4 == 0
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assert len(self.data) not in self.refs
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if self.nodebug:
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comment = None
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if name is not None:
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self.refs[len(self.data)] = (name, comment)
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self.data.append(0)
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self.data.append(0)
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self.data.append(0)
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self.data.append(0)
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if (name is None) and (comment is not None):
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self.comments[len(self.data)] = comment + " (null reference)"
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def s(self, s, comment):
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assert not self.finalized
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if self.nodebug:
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comment = None
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if s not in self.strings:
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index = len(self.strings)
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self.strings[s] = index
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else:
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index = self.strings[s]
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if comment is not None:
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self.r("str%d" % index, '%s: "%s"' % (comment, s))
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else:
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self.r("str%d" % index, None)
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def u8(self, v, comment):
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assert not self.finalized
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if self.nodebug:
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comment = None
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self.data.append(v)
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if comment is not None:
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self.comments[len(self.data)] = comment
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def u16(self, v, comment):
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assert not self.finalized
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assert len(self.data) % 2 == 0
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if self.nodebug:
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comment = None
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if self.endianness == "le":
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self.data.append(v & 255)
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self.data.append((v >> 8) & 255)
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elif self.endianness == "be":
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self.data.append((v >> 8) & 255)
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self.data.append(v & 255)
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else:
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assert 0
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if comment is not None:
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self.comments[len(self.data)] = comment
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def s16(self, v, comment):
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assert not self.finalized
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assert len(self.data) % 2 == 0
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if self.nodebug:
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comment = None
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c2val = (((-v) ^ 0xffff) + 1) if v < 0 else v
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if self.endianness == "le":
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self.data.append(c2val & 255)
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self.data.append((c2val >> 8) & 255)
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elif self.endianness == "be":
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self.data.append((c2val >> 8) & 255)
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self.data.append(c2val & 255)
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else:
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assert 0
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if comment is not None:
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self.comments[len(self.data)] = comment
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def u32(self, v, comment):
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assert not self.finalized
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assert len(self.data) % 4 == 0
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if self.nodebug:
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comment = None
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if self.endianness == "le":
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self.data.append(v & 255)
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self.data.append((v >> 8) & 255)
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self.data.append((v >> 16) & 255)
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self.data.append((v >> 24) & 255)
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elif self.endianness == "be":
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self.data.append((v >> 24) & 255)
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self.data.append((v >> 16) & 255)
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self.data.append((v >> 8) & 255)
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self.data.append(v & 255)
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else:
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assert 0
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if comment is not None:
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self.comments[len(self.data)] = comment
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def finalize(self):
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assert not self.finalized
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for s, index in self.strings.items():
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self.l("str%d" % index, "char")
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for c in s:
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self.data.append(ord(c))
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self.data.append(0)
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self.finalized = True
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cursor = 0
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while cursor < len(self.data):
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if cursor in self.refs:
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v = self.labels[self.refs[cursor][0]] - cursor
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if self.endianness == "le":
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self.data[cursor + 0] = (v & 255)
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self.data[cursor + 1] = ((v >> 8) & 255)
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self.data[cursor + 2] = ((v >> 16) & 255)
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self.data[cursor + 3] = ((v >> 24) & 255)
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elif self.endianness == "be":
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self.data[cursor + 0] = ((v >> 24) & 255)
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self.data[cursor + 1] = ((v >> 16) & 255)
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self.data[cursor + 2] = ((v >> 8) & 255)
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self.data[cursor + 3] = (v & 255)
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else:
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assert 0
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cursor += 4
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else:
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cursor += 1
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def write_verbose_c(self, f, ctype="const unsigned char"):
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assert self.finalized
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print("%s %s[%d] = {" % (ctype, self.cname, len(self.data)), file=f)
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cursor = 0
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bytecnt = 0
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while cursor < len(self.data):
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if cursor in self.comments:
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if bytecnt == 0:
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print(" ", end="", file=f)
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print(" // %s" % self.comments[cursor], file=f)
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bytecnt = 0
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if cursor in self.labels_byaddr:
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if bytecnt != 0:
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print(file=f)
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if cursor in self.exports:
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print("#define %s ((%s*)(%s+%d))" % (
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self.labels_byaddr[cursor], self.ltypes_byaddr[cursor], self.cname, cursor), file=f)
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else:
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print(" // [%d] %s" % (cursor, self.labels_byaddr[cursor]), file=f)
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bytecnt = 0
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if cursor in self.refs:
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if bytecnt != 0:
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print(file=f)
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print(" ", end="", file=f)
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print(" %-4s" % ("%d," % self.data[cursor + 0]), end="", file=f)
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print(" %-4s" % ("%d," % self.data[cursor + 1]), end="", file=f)
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print(" %-4s" % ("%d," % self.data[cursor + 2]), end="", file=f)
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print(" %-4s" % ("%d," % self.data[cursor + 3]), end="", file=f)
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print(" // [%d] %s (reference to %s)" % (cursor, self.refs[cursor][1], self.refs[cursor][0]), file=f)
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bytecnt = 0
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cursor += 4
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else:
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if bytecnt == 0:
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print(" ", end="", file=f)
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print(" %-4s" % ("%d," % self.data[cursor]), end=("" if bytecnt < 15 else "\n"), file=f)
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bytecnt = (bytecnt + 1) & 15
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cursor += 1
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if bytecnt != 0:
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print(file=f)
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print("};", file=f)
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def write_compact_c(self, f, ctype="const unsigned char"):
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assert self.finalized
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print("%s %s[%d] = {" % (ctype, self.cname, len(self.data)), file=f)
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column = 0
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for v in self.data:
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if column == 0:
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print(" ", end="", file=f)
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column += 2
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s = "%d," % v
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print(s, end="", file=f)
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column += len(s)
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if column > 75:
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print(file=f)
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column = 0
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if column != 0:
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print(file=f)
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for cursor in self.exports:
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print("#define %s ((%s*)(%s+%d))" % (
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self.labels_byaddr[cursor], self.ltypes_byaddr[cursor], self.cname, cursor), file=f)
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print("};", file=f)
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def write_uint64_c(self, f, ctype="const uint64_t"):
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assert self.finalized
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print("%s %s[%d] = {" % (ctype, self.cname, (len(self.data) + 7) // 8), file=f)
|
|
column = 0
|
|
for i in range((len(self.data) + 7) // 8):
|
|
v0 = self.data[8 * i + 0] if 8 * i + 0 < len(self.data) else 0
|
|
v1 = self.data[8 * i + 1] if 8 * i + 1 < len(self.data) else 0
|
|
v2 = self.data[8 * i + 2] if 8 * i + 2 < len(self.data) else 0
|
|
v3 = self.data[8 * i + 3] if 8 * i + 3 < len(self.data) else 0
|
|
v4 = self.data[8 * i + 4] if 8 * i + 4 < len(self.data) else 0
|
|
v5 = self.data[8 * i + 5] if 8 * i + 5 < len(self.data) else 0
|
|
v6 = self.data[8 * i + 6] if 8 * i + 6 < len(self.data) else 0
|
|
v7 = self.data[8 * i + 7] if 8 * i + 7 < len(self.data) else 0
|
|
if self.endianness == "le":
|
|
v = v0 << 0
|
|
v |= v1 << 8
|
|
v |= v2 << 16
|
|
v |= v3 << 24
|
|
v |= v4 << 32
|
|
v |= v5 << 40
|
|
v |= v6 << 48
|
|
v |= v7 << 56
|
|
elif self.endianness == "be":
|
|
v = v7 << 0
|
|
v |= v6 << 8
|
|
v |= v5 << 16
|
|
v |= v4 << 24
|
|
v |= v3 << 32
|
|
v |= v2 << 40
|
|
v |= v1 << 48
|
|
v |= v0 << 56
|
|
else:
|
|
assert 0
|
|
if column == 3:
|
|
print(" 0x%016x," % v, file=f)
|
|
column = 0
|
|
else:
|
|
if column == 0:
|
|
print(" ", end="", file=f)
|
|
print(" 0x%016x," % v, end="", file=f)
|
|
column += 1
|
|
if column != 0:
|
|
print("", file=f)
|
|
print("};", file=f)
|
|
|
|
def write_string_c(self, f, ctype="const char"):
|
|
assert self.finalized
|
|
assert self.data[len(self.data) - 1] == 0
|
|
print("%s %s[%d] =" % (ctype, self.cname, len(self.data)), file=f)
|
|
print(" \"", end="", file=f)
|
|
column = 0
|
|
for i in range(len(self.data) - 1):
|
|
if (self.data[i] < 32) or (self.data[i] > 126):
|
|
print("\\%03o" % self.data[i], end="", file=f)
|
|
column += 4
|
|
elif self.data[i] == ord('"') or self.data[i] == ord('\\'):
|
|
print("\\" + chr(self.data[i]), end="", file=f)
|
|
column += 2
|
|
else:
|
|
print(chr(self.data[i]), end="", file=f)
|
|
column += 1
|
|
if column > 70 and (i != len(self.data) - 2):
|
|
print("\"\n \"", end="", file=f)
|
|
column = 0
|
|
print("\";", file=f)
|
|
|
|
def write_binary(self, f):
|
|
assert self.finalized
|
|
assert self.data[len(self.data) - 1] == 0
|
|
f.buffer.write(self.data)
|
|
|
|
|
|
bel_types = {
|
|
"NONE": 0,
|
|
"SLICE": 1,
|
|
"PIO": 2
|
|
}
|
|
|
|
def write_database(dev_name, endianness):
|
|
def write_loc(x, y, sym_name):
|
|
bba.s16(x, "%s.x" % sym_name)
|
|
bba.s16(y, "%s.y" % sym_name)
|
|
|
|
bba = BinaryBlobAssembler("chipdb_blob_%s" % dev_name, endianness)
|
|
bba.r("chip_info", "chip_info")
|
|
|
|
for loctype, idx in sorted(location_types.items(), key=lambda x: x[1]):
|
|
wires, arcs, bels = loctype
|
|
if len(arcs) > 0:
|
|
bba.l("loc%d_pips" % idx, "PipInfoPOD")
|
|
for arc in arcs:
|
|
src_wire, dst_wire, configurable, tile_type = arc
|
|
write_loc(src_wire[0], src_wire[1], "src")
|
|
write_loc(dst_wire[0], dst_wire[1], "dst")
|
|
bba.u32(src_wire[2], "src_idx")
|
|
bba.u32(dst_wire[2], "dst_idx")
|
|
bba.u32(1, "delay") # TODO:delay
|
|
bba.u16(tile_type, "tile_type")
|
|
bba.u8(1 if not configurable else 0, "pip_type")
|
|
bba.u8(0, "padding")
|
|
if len(wires) > 0:
|
|
for wire_idx in range(len(wires)):
|
|
wire = wires[wire_idx]
|
|
name, downpips, uppips, downbels, upbels = wire
|
|
if len(downpips) > 0:
|
|
bba.l("loc%d_wire%d_downpips" % (idx, wire_idx), "PipLocatorPOD")
|
|
for dp in downpips:
|
|
write_loc(dp[0], dp[1], "rel_loc")
|
|
bba.u32(dp[2], "index")
|
|
if len(uppips) > 0:
|
|
bba.l("loc%d_wire%d_uppips" % (idx, wire_idx), "PipLocatorPOD")
|
|
for up in uppips:
|
|
write_loc(up[0], up[1], "rel_loc")
|
|
bba.u32(up[2], "index")
|
|
if len(downbels) > 0:
|
|
bba.l("loc%d_wire%d_downbels" % (idx, wire_idx), "BelPortPOD")
|
|
for db in downbels:
|
|
bel, pin = db
|
|
write_loc(bel[0], bel[1], "rel_bel_loc")
|
|
bba.u32(bel[2], "bel_index")
|
|
bba.u32(pin, "port")
|
|
bba.l("loc%d_wires" % idx, "WireInfoPOD")
|
|
for wire_idx in range(len(wires)):
|
|
wire = wires[wire_idx]
|
|
name, downpips, uppips, downbels, upbels = wire
|
|
bba.s(name, "name")
|
|
bba.u32(len(uppips), "num_uphill")
|
|
bba.u32(len(downpips), "num_downhill")
|
|
bba.r("loc%d_wire%d_uppips" % (idx, wire_idx) if len(uppips) > 0 else None, "pips_uphill")
|
|
bba.r("loc%d_wire%d_downpips" % (idx, wire_idx) if len(downpips) > 0 else None, "pips_downhill")
|
|
bba.u32(len(downbels), "num_bels_downhill")
|
|
if len(upbels) == 1:
|
|
bel, pin = upbels[0]
|
|
write_loc(bel[0], bel[1], "uphill_bel_loc")
|
|
bba.u32(bel[2], "uphill_bel_idx")
|
|
bba.u32(pin, "uphill_bel_pin")
|
|
else:
|
|
write_loc(-1, -1, "bel_uphill.rel_bel_loc")
|
|
bba.u32(0xFFFFFFFF, "bel_uphill.bel_index")
|
|
bba.u32(0, "bel_uphill.port")
|
|
bba.r("loc%d_wire%d_downbels" % (idx, wire_idx) if len(downbels) > 0 else None, "bels_downhill")
|
|
if len(bels) > 0:
|
|
for bel_idx in range(len(bels)):
|
|
bel, beltype, pins = bels[bel_idx]
|
|
bba.l("loc%d_bel%d_wires" % (idx, bel_idx), "BelPortPOD")
|
|
for pin in pins:
|
|
port, wire = pin
|
|
write_loc(wire[0], wire[1], "rel_wire_loc")
|
|
bba.u32(wire[2], "wire_index")
|
|
bba.u32(port, "port")
|
|
bba.l("loc%d_bels" % idx, "BelInfoPOD")
|
|
for bel_idx in range(len(bels)):
|
|
bel, beltype, pins = bels[bel_idx]
|
|
bba.s(bel, "name")
|
|
bba.u32(bel_types[beltype], "type")
|
|
bba.u32(len(pins), "num_bel_wires")
|
|
bba.r("loc%d_bel%d_wires" % (idx, bel_idx), "bel_wires")
|
|
|
|
bba.l("locations", "LocationTypePOD")
|
|
for loctype, idx in sorted(location_types.items(), key=lambda x: x[1]):
|
|
wires, arcs, bels = loctype
|
|
bba.u32(len(bels), "num_bels")
|
|
bba.u32(len(wires), "num_wires")
|
|
bba.u32(len(arcs), "num_pips")
|
|
bba.r("loc%d_bels" % idx if len(bels) > 0 else None, "bel_data")
|
|
bba.r("loc%d_wires" % idx if len(wires) > 0 else None, "wire_data")
|
|
bba.r("loc%d_pips" % idx if len(arcs) > 0 else None, "pips_data")
|
|
|
|
bba.l("location_types", "int32_t")
|
|
for y in range(0, max_row+1):
|
|
for x in range(0, max_col+1):
|
|
bba.u32(type_at_location[x, y], "loctype")
|
|
|
|
bba.l("tiletype_names", "RelPtr<char>")
|
|
for tt in tiletype_names:
|
|
bba.s(tt, "name")
|
|
|
|
bba.l("chip_info")
|
|
bba.u32(max_col + 1, "width")
|
|
bba.u32(max_row + 1, "height")
|
|
bba.u32((max_col + 1) * (max_row + 1), "num_tiles")
|
|
bba.u32(len(location_types), "num_location_types")
|
|
bba.r("locations", "locations")
|
|
bba.r("location_types", "location_type")
|
|
bba.r("tiletype_names", "tiletype_names")
|
|
bba.finalize()
|
|
return bba
|
|
|
|
dev_names = {"25k": "LFE5U-25F", "45k": "LFE5U-45F", "85k": "LFE5U-85F"}
|
|
|
|
def main():
|
|
global max_row, max_col
|
|
pytrellis.load_database(database.get_db_root())
|
|
args = parser.parse_args()
|
|
|
|
# Read port pin file
|
|
with open(args.portspins) as f:
|
|
for line in f:
|
|
line = line.replace("(", " ")
|
|
line = line.replace(")", " ")
|
|
line = line.split()
|
|
if len(line) == 0:
|
|
continue
|
|
assert len(line) == 2
|
|
assert line[0] == "X"
|
|
idx = len(portpins) + 1
|
|
portpins[line[1]] = idx
|
|
|
|
print("Initialising chip...")
|
|
chip = pytrellis.Chip(dev_names[args.device])
|
|
print("Building routing graph...")
|
|
rg = chip.get_routing_graph()
|
|
max_row = chip.get_max_row()
|
|
max_col = chip.get_max_col()
|
|
print("Indexing wires...")
|
|
for y in range(0, max_row + 1):
|
|
for x in range(0, max_col + 1):
|
|
import_location_wires(rg, x, y)
|
|
print("Indexing arcs...")
|
|
for y in range(0, max_row + 1):
|
|
for x in range(0, max_col + 1):
|
|
index_location_arcs(rg, x, y)
|
|
print("Adding bels...")
|
|
for y in range(0, max_row + 1):
|
|
for x in range(0, max_col + 1):
|
|
add_bels(chip, x, y)
|
|
print("Importing tiles...")
|
|
for y in range(0, max_row + 1):
|
|
for x in range(0, max_col + 1):
|
|
print(" At R{}C{}".format(y, x))
|
|
import_location(rg, x, y)
|
|
print("{} unique location types".format(len(location_types)))
|
|
bba = write_database(args.device, "le")
|
|
|
|
|
|
if args.c_file:
|
|
print('#include "nextpnr.h"', file=args.outfile)
|
|
print('NEXTPNR_NAMESPACE_BEGIN', file=args.outfile)
|
|
|
|
|
|
if args.binary:
|
|
bba.write_binary(args.outfile)
|
|
|
|
if args.c_file:
|
|
bba.write_string_c(args.outfile)
|
|
|
|
if args.c_file:
|
|
print('NEXTPNR_NAMESPACE_END', file=args.outfile)
|
|
|
|
if __name__ == "__main__":
|
|
main()
|