ecp5/main.cc

/*
 *  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"

USING_NEXTPNR_NAMESPACE

class ECP5CommandHandler : public CommandHandler
{
  public:
    ECP5CommandHandler(int argc, char **argv);
    virtual ~ECP5CommandHandler(){};
    std::unique_ptr<Context> createContext() override;
    void setupArchContext(Context *ctx) override{};
    void validate() override;
    void customBitstream(Context *ctx) override;

  protected:
    po::options_description getArchOptions();
};

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()("package", po::value<std::string>(), "select device package (defaults to CABGA381)");
    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");
    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"))
        basecfg = vm["basecfg"].as<std::string>();

    std::string textcfg;
    if (vm.count("textcfg"))
        textcfg = vm["textcfg"].as<std::string>();

    write_bitstream(ctx, basecfg, textcfg);
}

std::unique_ptr<Context> ECP5CommandHandler::createContext()
{
    chipArgs.type = ArchArgs::LFE5U_45F;

    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("package"))
        chipArgs.package = vm["package"].as<std::string>();
    else
        chipArgs.package = "CABGA381";
    chipArgs.speed = 6;

    return std::unique_ptr<Context>(new Context(chipArgs));
}

int main(int argc, char *argv[])
{
    ECP5CommandHandler handler(argc, argv);
    return handler.exec();
}

#endif