def generate_verilog():
platform = LatticePlatform("", io=[], toolchain="diamond")
platform.add_extension(gen._io)
core_config = {
"clk_freq": int(125e6),
"phy": liteeth_phys.LiteEthECP5PHYRGMII,
"mac_address": 0xAA040000CFCF,
"ip_address": "192.168.178.50",
"port": 1710,
}
soc = gen.UDPCore(platform, core_config)
with tempfile.TemporaryDirectory() as tmpdirname:
builder = Builder(soc, compile_gateware=False, output_dir=tmpdirname)
builder.build(build_name="liteeth_core")
return (Path(tmpdirname) / "gateware" / "liteeth_core.v").read_bytes()
def main():
parser = argparse.ArgumentParser(description="LiteEth standalone core generator")
builder_args(parser)
parser.set_defaults(output_dir="build")
parser.add_argument("config", help="YAML config file")
args = parser.parse_args()
core_config = yaml.load(open(args.config).read(), Loader=yaml.Loader)
# Convert YAML elements to Python/LiteX --------------------------------------------------------
for k, v in core_config.items():
replaces = {"False": False, "True": True, "None": None}
for r in replaces.keys():
if v == r:
core_config[k] = replaces[r]
if k == "phy":
core_config[k] = getattr(liteeth_phys, core_config[k])
if k in ["clk_freq", "phy_tx_delay", "phy_rx_delay"]:
core_config[k] = int(float(core_config[k]))
# Generate core --------------------------------------------------------------------------------
if "device" not in core_config:
core_config["device"] = ""
if core_config["vendor"] == "lattice":
platform = LatticePlatform(core_config["device"], io=[], toolchain="diamond")
elif core_config["vendor"] == "xilinx":
platform = XilinxPlatform(core_config["device"], io=[], toolchain="vivado")
else:
raise ValueError("Unsupported vendor: {}".format(core_config["vendor"]))
platform.add_extension(_io)
if core_config["core"] == "wishbone":
soc = MACCore(platform, core_config)
elif core_config["core"] == "udp":
soc = UDPCore(platform, core_config)
else:
raise ValueError("Unknown core: {}".format(core_config["core"]))
builder_arguments = builder_argdict(args)
builder_arguments["compile_gateware"] = False
if builder_arguments["csr_csv"] is None:
builder_arguments["csr_csv"] = os.path.join(builder_arguments["output_dir"], "csr.csv")
builder = Builder(soc, **builder_arguments)
builder.build(build_name="liteeth_core")