def METHOD_NAME():
    from litex.build.parser import LiteXArgumentParser
    parser = LiteXArgumentParser(platform=fpc_iii.Platform, description="LiteX SoC on FPC-III.")
    parser.add_target_argument("--sys-clk-freq", default=80e6, type=float, help="System clock frequency.")
    ethopts = parser.target_group.add_mutually_exclusive_group()
    ethopts.add_argument("--with-ethernet",  action="store_true", help="Enable Ethernet support.")
    ethopts.add_argument("--with-etherbone", action="store_true", help="Enable Etherbone support.")
    sdopts = parser.target_group.add_mutually_exclusive_group()
    sdopts.add_argument("--with-spi-sdcard", action="store_true", help="Enable SPI-mode SDCard support.")
    sdopts.add_argument("--with-sdcard",     action="store_true", help="Enable SDCard support.")
    args = parser.parse_args()
    soc = BaseSoC(
        sys_clk_freq   = args.sys_clk_freq,
        toolchain      = args.toolchain,
        with_ethernet  = args.with_ethernet,
        with_etherbone = args.with_etherbone,
        **parser.soc_argdict)
    if args.with_spi_sdcard:
        soc.add_spi_sdcard()
    if args.with_sdcard:
        soc.add_sdcard()
    builder = Builder(soc, **parser.builder_argdict)
    if args.build:
        builder.build(**parser.toolchain_argdict)
    if args.load:
        prog = soc.platform.create_programmer()
        prog.load_bitstream(builder.get_bitstream_filename(mode="sram"))