142 lines
4.4 KiB
Python
142 lines
4.4 KiB
Python
#!/usr/bin/env python3
|
|
|
|
import sys, os, argparse, subprocess, struct, importlib
|
|
|
|
from mibuild.tools import write_to_file
|
|
from migen.util.misc import autotype
|
|
from migen.fhdl import verilog, edif
|
|
from migen.fhdl.structure import _Fragment
|
|
from migen.bank.description import CSRStatus
|
|
from mibuild import tools
|
|
from mibuild.xilinx_common import *
|
|
|
|
from liteeth.common import *
|
|
|
|
def get_csr_csv(regions):
|
|
r = ""
|
|
for name, origin, busword, obj in regions:
|
|
if not isinstance(obj, Memory):
|
|
for csr in obj:
|
|
nr = (csr.size + busword - 1)//busword
|
|
r += "{}_{},0x{:08x},{},{}\n".format(name, csr.name, origin, nr, "ro" if isinstance(csr, CSRStatus) else "rw")
|
|
origin += 4*nr
|
|
return r
|
|
|
|
def _import(default, name):
|
|
return importlib.import_module(default + "." + name)
|
|
|
|
def _get_args():
|
|
parser = argparse.ArgumentParser(formatter_class=argparse.RawDescriptionHelpFormatter,
|
|
description="""\
|
|
LiteEth - based on Migen.
|
|
|
|
This program builds and/or loads LiteEth components.
|
|
One or several actions can be specified:
|
|
|
|
clean delete previous build(s).
|
|
build-rtl build verilog rtl.
|
|
build-bitstream build-bitstream build FPGA bitstream.
|
|
build-csr-csv save CSR map into CSV file.
|
|
|
|
load-bitstream load bitstream into volatile storage.
|
|
|
|
all clean, build-csr-csv, build-bitstream, load-bitstream.
|
|
""")
|
|
|
|
parser.add_argument("-t", "--target", default="base", help="Core type to build")
|
|
parser.add_argument("-s", "--sub-target", default="", help="variant of the Core type to build")
|
|
parser.add_argument("-p", "--platform", default=None, help="platform to build for")
|
|
parser.add_argument("-Ot", "--target-option", default=[], nargs=2, action="append", help="set target-specific option")
|
|
parser.add_argument("-Op", "--platform-option", default=[("programmer", "vivado")], nargs=2, action="append", help="set platform-specific option")
|
|
parser.add_argument("--csr_csv", default="./test/csr.csv", help="CSV file to save the CSR map into")
|
|
|
|
parser.add_argument("action", nargs="+", help="specify an action")
|
|
|
|
return parser.parse_args()
|
|
|
|
# Note: misoclib need to be installed as a python library
|
|
|
|
if __name__ == "__main__":
|
|
args = _get_args()
|
|
|
|
# create top-level Core object
|
|
target_module = _import("targets", args.target)
|
|
if args.sub_target:
|
|
top_class = getattr(target_module, args.sub_target)
|
|
else:
|
|
top_class = target_module.default_subtarget
|
|
|
|
if args.platform is None:
|
|
platform_name = top_class.default_platform
|
|
else:
|
|
platform_name = args.platform
|
|
platform_module = _import("platforms", platform_name)
|
|
platform_kwargs = dict((k, autotype(v)) for k, v in args.platform_option)
|
|
platform = platform_module.Platform(**platform_kwargs)
|
|
|
|
build_name = top_class.__name__.lower() + "-" + platform_name
|
|
top_kwargs = dict((k, autotype(v)) for k, v in args.target_option)
|
|
soc = top_class(platform, **top_kwargs)
|
|
soc.finalize()
|
|
|
|
# decode actions
|
|
action_list = ["clean", "build-csr-csv", "build-bitstream", "load-bitstream", "all"]
|
|
actions = {k: False for k in action_list}
|
|
for action in args.action:
|
|
if action in actions:
|
|
actions[action] = True
|
|
else:
|
|
print("Unknown action: "+action+". Valid actions are:")
|
|
for a in action_list:
|
|
print(" "+a)
|
|
sys.exit(1)
|
|
|
|
print("""
|
|
__ _ __ ______ __
|
|
/ / (_) /____ / __/ /_/ /
|
|
/ /__/ / __/ -_) _// __/ _ \\
|
|
/____/_/\__/\__/___/\__/_//_/
|
|
|
|
A small footprint and configurable Ethernet
|
|
core powered by Migen
|
|
====== Building options: ======
|
|
Platform: {}
|
|
Target: {}
|
|
Subtarget: {}
|
|
System Clk: {} MHz
|
|
===============================""".format(
|
|
platform_name,
|
|
args.target,
|
|
top_class.__name__,
|
|
soc.clk_freq/1000000
|
|
)
|
|
)
|
|
|
|
# dependencies
|
|
if actions["all"]:
|
|
actions["build-csr-csv"] = True
|
|
actions["build-bitstream"] = True
|
|
actions["load-bitstream"] = True
|
|
|
|
if actions["build-bitstream"]:
|
|
actions["build-csr-csv"] = True
|
|
actions["build-bitstream"] = True
|
|
actions["load-bitstream"] = True
|
|
|
|
if actions["clean"]:
|
|
subprocess.call(["rm", "-rf", "build/*"])
|
|
|
|
if actions["build-csr-csv"]:
|
|
csr_csv = get_csr_csv(soc.cpu_csr_regions)
|
|
write_to_file(args.csr_csv, csr_csv)
|
|
|
|
if actions["build-bitstream"]:
|
|
vns = platform.build(soc, build_name=build_name)
|
|
if hasattr(soc, "do_exit") and vns is not None:
|
|
if hasattr(soc.do_exit, '__call__'):
|
|
soc.do_exit(vns)
|
|
|
|
if actions["load-bitstream"]:
|
|
prog = platform.create_programmer()
|
|
prog.load_bitstream("build/" + build_name + platform.bitstream_ext)
|