def METHOD_NAME(self):
    # Translate device to Nextpnr architecture/package
    (family, size, self._speed_grade, self._package) = self.nextpnr_ecp5_parse_device(self.platform.device)
    self._architecture = self.nextpnr_ecp5_architectures[(family + "-" + size)]
    self._packer_opts += " {build_name}.config --svf {build_name}.svf --bit {build_name}.bit".format(
            build_name = self._build_name,
    )
    return YosysNextPNRToolchain.METHOD_NAME(self)