f4pga/wrappers/tcl/__init__.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# Copyright (C) 2020-2022 F4PGA Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# SPDX-License-Identifier: Apache-2.0
#
# TCL scripts moved from f4pga-arch-defs

from pathlib import Path

from f4pga.context import FPGA_FAM

ROOT = Path(__file__).resolve().parent

ARCHS = {"xc7": ["artix7", "artix7_100t", "artix7_200t", "zynq7", "zynq7_z020", "spartan7"], "eos-s3": ["ql-s3", "pp3"]}


def get_script_path(arch=None, pnrtool="vpr"):
    if arch is None:
        arch = FPGA_FAM
    for key, val in ARCHS.items():
        if arch in val:
            arch = key
            break
    if arch not in ["xc7", "eos-s3", "qlf_k4n8", "ice40"]:
        raise (Exception(f"Unsupported arch <{arch}>!"))
    suffix = f".{pnrtool}" if arch == "ice40" else ""
    return ROOT / f"{arch}{suffix}.f4pga.tcl"