diff options
Diffstat (limited to 'ecp5/main.cc')
| -rw-r--r-- | ecp5/main.cc | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/ecp5/main.cc b/ecp5/main.cc index cc004df3..12afb09d 100644 --- a/ecp5/main.cc +++ b/ecp5/main.cc @@ -59,6 +59,8 @@ po::options_description ECP5CommandHandler::getArchOptions() specific.add_options()("um5g-85k", "set device type to LFE5UM5G-85F"); specific.add_options()("package", po::value<std::string>(), "select device package (defaults to CABGA381)"); + specific.add_options()("speed", po::value<int>(), "select device speedgrade (6, 7 or 8)"); + specific.add_options()("basecfg", po::value<std::string>(), "base chip configuration in Trellis text format"); specific.add_options()("textcfg", po::value<std::string>(), "textual configuration in Trellis format to write"); @@ -111,7 +113,31 @@ std::unique_ptr<Context> ECP5CommandHandler::createContext() chipArgs.package = vm["package"].as<std::string>(); else chipArgs.package = "CABGA381"; - chipArgs.speed = 6; + if (chipArgs.type == ArchArgs::LFE5UM5G_25F || chipArgs.type == ArchArgs::LFE5UM5G_45F || + chipArgs.type == ArchArgs::LFE5UM5G_85F) { + if (vm.count("speed") && vm["speed"].as<int>() != 8) + log_error("Only speed grade 8 is available for 5G parts\n"); + chipArgs.speed = ArchArgs::SPEED_8_5G; + } else { + if (vm.count("speed")) { + int speed = vm["speed"].as<int>(); + switch (speed) { + case 6: + chipArgs.speed = ArchArgs::SPEED_6; + break; + case 7: + chipArgs.speed = ArchArgs::SPEED_7; + break; + case 8: + chipArgs.speed = ArchArgs::SPEED_8; + break; + default: + log_error("Unsupported speed grade '%d'\n", speed); + } + } else { + chipArgs.speed = ArchArgs::SPEED_6; + } + } return std::unique_ptr<Context>(new Context(chipArgs)); } |