| /* |
| * nextpnr -- Next Generation Place and Route |
| * |
| * Copyright (C) 2018 Clifford Wolf <clifford@symbioticeda.com> |
| * |
| * Permission to use, copy, modify, and/or distribute this software for any |
| * purpose with or without fee is hereby granted, provided that the above |
| * copyright notice and this permission notice appear in all copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| * |
| */ |
| |
| #ifdef MAIN_EXECUTABLE |
| |
| #include <fstream> |
| #include "bitstream.h" |
| #include "command.h" |
| #include "design_utils.h" |
| #include "log.h" |
| #include "timing.h" |
| #include "util.h" |
| |
| USING_NEXTPNR_NAMESPACE |
| |
| class ECP5CommandHandler : public CommandHandler |
| { |
| public: |
| ECP5CommandHandler(int argc, char **argv); |
| virtual ~ECP5CommandHandler(){}; |
| std::unique_ptr<Context> createContext(std::unordered_map<std::string, Property> &values) override; |
| void setupArchContext(Context *ctx) override{}; |
| void customAfterLoad(Context *ctx) override; |
| void validate() override; |
| void customBitstream(Context *ctx) override; |
| |
| protected: |
| po::options_description getArchOptions() override; |
| }; |
| |
| ECP5CommandHandler::ECP5CommandHandler(int argc, char **argv) : CommandHandler(argc, argv) {} |
| |
| po::options_description ECP5CommandHandler::getArchOptions() |
| { |
| po::options_description specific("Architecture specific options"); |
| specific.add_options()("25k", "set device type to LFE5U-25F"); |
| specific.add_options()("45k", "set device type to LFE5U-45F"); |
| specific.add_options()("85k", "set device type to LFE5U-85F"); |
| specific.add_options()("um-25k", "set device type to LFE5UM-25F"); |
| specific.add_options()("um-45k", "set device type to LFE5UM-45F"); |
| specific.add_options()("um-85k", "set device type to LFE5UM-85F"); |
| specific.add_options()("um5g-25k", "set device type to LFE5UM5G-25F"); |
| specific.add_options()("um5g-45k", "set device type to LFE5UM5G-45F"); |
| 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 (deprecated)"); |
| specific.add_options()("override-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"); |
| |
| specific.add_options()("lpf", po::value<std::vector<std::string>>(), "LPF pin constraint file(s)"); |
| specific.add_options()("lpf-allow-unconstrained", "don't require LPF file(s) to constrain all IO"); |
| |
| specific.add_options()( |
| "out-of-context", |
| "disable IO buffer insertion and global promotion/routing, for building pre-routed blocks (experimental)"); |
| |
| return specific; |
| } |
| void ECP5CommandHandler::validate() |
| { |
| if ((vm.count("25k") + vm.count("45k") + vm.count("85k")) > 1) |
| log_error("Only one device type can be set\n"); |
| } |
| |
| void ECP5CommandHandler::customBitstream(Context *ctx) |
| { |
| std::string basecfg; |
| if (vm.count("basecfg")) { |
| log_warning("--basecfg is deprecated.\nIf you are using a default baseconfig (from prjtrellis/misc/basecfgs), " |
| "these are now embedded in nextpnr - please remove --basecfg.\nIf you are using a non-standard " |
| "baseconfig in a special application, switch to using --override-basecfg.\n"); |
| basecfg = vm["basecfg"].as<std::string>(); |
| } else if (vm.count("override-basecfg")) { |
| basecfg = vm["basecfg"].as<std::string>(); |
| } |
| |
| if (bool_or_default(ctx->settings, ctx->id("arch.ooc")) && vm.count("textcfg")) |
| log_error("bitstream generation is not available in out-of-context mode (use --write to create a post-PnR JSON " |
| "design)\n"); |
| |
| std::string textcfg; |
| if (vm.count("textcfg")) |
| textcfg = vm["textcfg"].as<std::string>(); |
| |
| write_bitstream(ctx, basecfg, textcfg); |
| } |
| |
| static std::string speedString(ArchArgs::SpeedGrade speed) |
| { |
| switch (speed) { |
| case ArchArgs::SPEED_6: |
| return "6"; |
| case ArchArgs::SPEED_7: |
| return "7"; |
| case ArchArgs::SPEED_8: |
| return "8"; |
| case ArchArgs::SPEED_8_5G: |
| return "8"; |
| } |
| return ""; |
| } |
| |
| std::unique_ptr<Context> ECP5CommandHandler::createContext(std::unordered_map<std::string, Property> &values) |
| { |
| ArchArgs chipArgs; |
| chipArgs.type = ArchArgs::NONE; |
| |
| if (vm.count("25k")) |
| chipArgs.type = ArchArgs::LFE5U_25F; |
| if (vm.count("45k")) |
| chipArgs.type = ArchArgs::LFE5U_45F; |
| if (vm.count("85k")) |
| chipArgs.type = ArchArgs::LFE5U_85F; |
| if (vm.count("um-25k")) |
| chipArgs.type = ArchArgs::LFE5UM_25F; |
| if (vm.count("um-45k")) |
| chipArgs.type = ArchArgs::LFE5UM_45F; |
| if (vm.count("um-85k")) |
| chipArgs.type = ArchArgs::LFE5UM_85F; |
| if (vm.count("um5g-25k")) |
| chipArgs.type = ArchArgs::LFE5UM5G_25F; |
| if (vm.count("um5g-45k")) |
| chipArgs.type = ArchArgs::LFE5UM5G_45F; |
| if (vm.count("um5g-85k")) |
| chipArgs.type = ArchArgs::LFE5UM5G_85F; |
| if (vm.count("package")) |
| chipArgs.package = vm["package"].as<std::string>(); |
| |
| 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 { |
| if (chipArgs.type == ArchArgs::LFE5UM5G_25F || chipArgs.type == ArchArgs::LFE5UM5G_45F || |
| chipArgs.type == ArchArgs::LFE5UM5G_85F) { |
| chipArgs.speed = ArchArgs::SPEED_8; |
| } else |
| chipArgs.speed = ArchArgs::SPEED_6; |
| } |
| if (values.find("arch.name") != values.end()) { |
| std::string arch_name = values["arch.name"].as_string(); |
| if (arch_name != "ecp5") |
| log_error("Unsuported architecture '%s'.\n", arch_name.c_str()); |
| } |
| if (values.find("arch.type") != values.end()) { |
| std::string arch_type = values["arch.type"].as_string(); |
| if (chipArgs.type != ArchArgs::NONE) |
| log_error("Overriding architecture is unsuported.\n"); |
| |
| if (arch_type == "lfe5u_25f") |
| chipArgs.type = ArchArgs::LFE5U_25F; |
| if (arch_type == "lfe5u_45f") |
| chipArgs.type = ArchArgs::LFE5U_45F; |
| if (arch_type == "lfe5u_85f") |
| chipArgs.type = ArchArgs::LFE5U_85F; |
| if (arch_type == "lfe5um_25f") |
| chipArgs.type = ArchArgs::LFE5UM_25F; |
| if (arch_type == "lfe5um_45f") |
| chipArgs.type = ArchArgs::LFE5UM_45F; |
| if (arch_type == "lfe5um_85f") |
| chipArgs.type = ArchArgs::LFE5UM_85F; |
| if (arch_type == "lfe5um5g_25f") |
| chipArgs.type = ArchArgs::LFE5UM5G_25F; |
| if (arch_type == "lfe5um5g_45f") |
| chipArgs.type = ArchArgs::LFE5UM5G_45F; |
| if (arch_type == "lfe5um5g_85f") |
| chipArgs.type = ArchArgs::LFE5UM5G_85F; |
| |
| if (chipArgs.type == ArchArgs::NONE) |
| log_error("Unsuported FPGA type '%s'.\n", arch_type.c_str()); |
| } |
| if (values.find("arch.package") != values.end()) { |
| if (vm.count("package")) |
| log_error("Overriding architecture is unsuported.\n"); |
| chipArgs.package = values["arch.package"].as_string(); |
| } |
| if (values.find("arch.speed") != values.end()) { |
| std::string arch_speed = values["arch.speed"].as_string(); |
| if (arch_speed == "6") |
| chipArgs.speed = ArchArgs::SPEED_6; |
| else if (arch_speed == "7") |
| chipArgs.speed = ArchArgs::SPEED_7; |
| else if (arch_speed == "8") |
| chipArgs.speed = ArchArgs::SPEED_8; |
| else |
| log_error("Unsuported speed '%s'.\n", arch_speed.c_str()); |
| } |
| if (chipArgs.type == ArchArgs::NONE) |
| chipArgs.type = ArchArgs::LFE5U_45F; |
| |
| if (chipArgs.package.empty()) { |
| chipArgs.package = "CABGA381"; |
| log_warning("Use of default value for --package is deprecated. Please add '--package %s' to arguments.\n", |
| chipArgs.package.c_str()); |
| } |
| |
| if (chipArgs.type == ArchArgs::LFE5UM5G_25F || chipArgs.type == ArchArgs::LFE5UM5G_45F || |
| chipArgs.type == ArchArgs::LFE5UM5G_85F) { |
| if (chipArgs.speed != ArchArgs::SPEED_8) |
| log_error("Only speed grade 8 is available for 5G parts\n"); |
| else |
| chipArgs.speed = ArchArgs::SPEED_8_5G; |
| } |
| |
| auto ctx = std::unique_ptr<Context>(new Context(chipArgs)); |
| for (auto &val : values) |
| ctx->settings[ctx->id(val.first)] = val.second; |
| ctx->settings[ctx->id("arch.package")] = ctx->archArgs().package; |
| ctx->settings[ctx->id("arch.speed")] = speedString(ctx->archArgs().speed); |
| if (vm.count("out-of-context")) |
| ctx->settings[ctx->id("arch.ooc")] = 1; |
| return ctx; |
| } |
| |
| void ECP5CommandHandler::customAfterLoad(Context *ctx) |
| { |
| if (vm.count("lpf")) { |
| std::vector<std::string> files = vm["lpf"].as<std::vector<std::string>>(); |
| for (const auto &filename : files) { |
| std::ifstream in(filename); |
| if (!in) |
| log_error("failed to open LPF file '%s'\n", filename.c_str()); |
| if (!ctx->applyLPF(filename, in)) |
| log_error("failed to parse LPF file '%s'\n", filename.c_str()); |
| } |
| |
| for (auto cell : sorted(ctx->cells)) { |
| CellInfo *ci = cell.second; |
| if (ci->type == ctx->id("$nextpnr_ibuf") || ci->type == ctx->id("$nextpnr_obuf") || |
| ci->type == ctx->id("$nextpnr_iobuf")) { |
| if (!ci->attrs.count(ctx->id("LOC"))) { |
| if (vm.count("lpf-allow-unconstrained")) |
| log_warning("IO '%s' is unconstrained in LPF and will be automatically placed\n", |
| cell.first.c_str(ctx)); |
| else |
| log_error("IO '%s' is unconstrained in LPF (override this error with " |
| "--lpf-allow-unconstrained)\n", |
| cell.first.c_str(ctx)); |
| } |
| } |
| } |
| } |
| } |
| |
| int main(int argc, char *argv[]) |
| { |
| ECP5CommandHandler handler(argc, argv); |
| return handler.exec(); |
| } |
| |
| #endif |
