ecp5: Adding Bels to import script
Signed-off-by: David Shah <davey1576@gmail.com>
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David Shah
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fdd13edff0
commit
12b0f7f162
@ -23,16 +23,25 @@ def get_tiletype_index(name):
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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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@ -61,24 +70,117 @@ def index_location_arcs(rg, x, y):
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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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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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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 "PIOB0" 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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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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# TODO: Bel pins
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wires.append((name, tuple(arcs_downhill), tuple(arcs_uphill), tuple(), tuple()))
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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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@ -94,27 +196,33 @@ def import_location(rg, x, y):
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location_types[tile_data] = idx
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type_at_location[x, y] = idx
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def main():
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pytrellis.load_database(database.get_db_root())
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print("Initialising chip...")
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chip = pytrellis.Chip("LFE5U-45F")
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chip = pytrellis.Chip("LFE5U-25F")
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print("Building routing graph...")
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rg = chip.get_routing_graph()
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max_row = chip.get_max_row()
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max_col = chip.get_max_col()
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print("Indexing wires...")
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for y in range(0, max_row+1):
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for x in range(0, max_col+1):
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for y in range(0, max_row + 1):
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for x in range(0, max_col + 1):
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import_location_wires(rg, x, y)
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print("Indexing arcs...")
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for y in range(0, max_row+1):
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for x in range(0, max_col+1):
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for y in range(0, max_row + 1):
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for x in range(0, max_col + 1):
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index_location_arcs(rg, x, y)
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print("Adding bels...")
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for y in range(0, max_row + 1):
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for x in range(0, max_col + 1):
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add_bels(chip, x, y)
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print("Importing tiles...")
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for y in range(0, max_row+1):
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for x in range(0, max_col+1):
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for y in range(0, max_row + 1):
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for x in range(0, max_col + 1):
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print(" At R{}C{}".format(y, x))
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import_location(rg, x, y)
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if __name__ == "__main__":
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main()
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