diff options
Diffstat (limited to 'ice40/chipdb.py')
| -rw-r--r-- | ice40/chipdb.py | 40 |
1 files changed, 36 insertions, 4 deletions
diff --git a/ice40/chipdb.py b/ice40/chipdb.py index 698cd173..329fef56 100644 --- a/ice40/chipdb.py +++ b/ice40/chipdb.py @@ -38,7 +38,7 @@ switches = list() ierens = list() extra_cells = dict() - +extra_cell_config = dict() packages = list() wire_uphill_belport = dict() @@ -159,7 +159,7 @@ def wire_type(name): name = name.split('/')[-1] wt = None - if name.startswith("glb_netwk_"): + if name.startswith("glb_netwk_") or name.startswith("padin_"): wt = "GLOBAL" elif name.startswith("D_IN_") or name.startswith("D_OUT_"): wt = "LOCAL" @@ -432,6 +432,19 @@ with open(args.filename, "r") as f: extra_cells[mode[1]].append((line[0], (int(line[1]), int(line[2]), line[3]))) continue +def add_wire(x, y, name): + global num_wires + wire_idx = num_wires + num_wires = num_wires + 1 + wname = (x, y, name) + wire_names[wname] = wire_idx + wire_names_r[wire_idx] = wname + wire_segments[wire_idx] = dict() + +# Add virtual padin wires +for i in range(8): + add_wire(0, 0, "padin_%d" % i) + def add_bel_input(bel, wire, port): if wire not in wire_downhill_belports: wire_downhill_belports[wire] = set() @@ -567,6 +580,7 @@ def is_ec_output(ec_entry): def add_bel_ec(ec): ectype, x, y, z = ec bel = len(bel_name) + extra_cell_config[bel] = [] bel_name.append("X%d/Y%d/%s_%d" % (x, y, ectype.lower(), z)) bel_type.append(ectype) bel_pos.append((x, y, z)) @@ -578,8 +592,7 @@ def add_bel_ec(ec): else: add_bel_input(bel, wire_names[entry[1]], entry[0]) else: - # Configuration bit, need to create a structure for these - pass + extra_cell_config[bel].append(entry) for tile_xy, tile_type in sorted(tiles.items()): if tile_type == "logic": @@ -1175,6 +1188,23 @@ bba.l("tile_grid_%s" % dev_name, "TileType") for t in tilegrid: bba.u32(tiletypes[t], "tiletype") +for bel_idx, entries in sorted(extra_cell_config.items()): + if len(entries) > 0: + bba.l("bel%d_config_entries" % bel_idx, "BelConfigEntryPOD") + for entry in entries: + bba.s(entry[0], "entry_name") + bba.s(entry[1][2], "cbit_name") + bba.u8(entry[1][0], "x") + bba.u8(entry[1][1], "y") + bba.u16(0, "padding") + +if len(extra_cell_config) > 0: + bba.l("bel_config_%s" % dev_name, "BelConfigPOD") + for bel_idx, entries in sorted(extra_cell_config.items()): + bba.u32(bel_idx, "bel_index") + bba.u32(len(entries), "num_entries") + bba.r("bel%d_config_entries" % bel_idx if len(entries) > 0 else None, "entries") + bba.l("package_info_%s" % dev_name, "PackageInfoPOD") for info in packageinfo: bba.s(info[0], "name") @@ -1188,12 +1218,14 @@ bba.u32(len(bel_name), "num_bels") bba.u32(num_wires, "num_wires") bba.u32(len(pipinfo), "num_pips") bba.u32(len(switchinfo), "num_switches") +bba.u32(len(extra_cell_config), "num_belcfgs") bba.u32(len(packageinfo), "num_packages") bba.r("bel_data_%s" % dev_name, "bel_data") bba.r("wire_data_%s" % dev_name, "wire_data") bba.r("pip_data_%s" % dev_name, "pip_data") bba.r("tile_grid_%s" % dev_name, "tile_grid") bba.r("bits_info_%s" % dev_name, "bits_info") +bba.r("bel_config_%s" % dev_name if len(extra_cell_config) > 0 else None, "bel_config") bba.r("package_info_%s" % dev_name, "packages_data") bba.finalize() |