| # Copyright (c) 2024 tinyVision.ai Inc. |
| # |
| # SPDX-License-Identifier: Apache-2.0 |
| |
| """Runner for the ecpprog programming tool for Lattice FPGAs.""" |
| # https://github.com/gregdavill/ecpprog |
| |
| from runners.core import BuildConfiguration, RunnerCaps, ZephyrBinaryRunner |
| |
| |
| class EcpprogBinaryRunner(ZephyrBinaryRunner): |
| """Runner front-end for programming the FPGA flash at some offset.""" |
| |
| def __init__(self, cfg, device=None): |
| super().__init__(cfg) |
| self.device = device |
| |
| @classmethod |
| def name(cls): |
| return "ecpprog" |
| |
| @classmethod |
| def capabilities(cls): |
| return RunnerCaps(commands={"flash"}) |
| |
| @classmethod |
| def do_add_parser(cls, parser): |
| parser.add_argument( |
| "--device", dest="device", help="Device identifier such as i:<vid>:<pid>" |
| ) |
| |
| @classmethod |
| def do_create(cls, cfg, args): |
| return EcpprogBinaryRunner(cfg, device=args.device) |
| |
| def do_run(self, command, **kwargs): |
| build_conf = BuildConfiguration(self.cfg.build_dir) |
| load_offset = build_conf.get("CONFIG_FLASH_LOAD_OFFSET", 0) |
| command = ("ecpprog", "-o", hex(load_offset), self.cfg.bin_file) |
| self.logger.debug(" ".join(command)) |
| self.check_call(command) |