113 lines
4.4 KiB
Python
Executable File
113 lines
4.4 KiB
Python
Executable File
#!/usr/bin/env python3
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import sys, argparse, importlib, subprocess, struct
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from mibuild.tools import write_to_file
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from migen.util.misc import autotype
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from migen.fhdl import simplify
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from misoclib.gensoc import cpuif
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from misoclib.s6ddrphy import initsequence
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import jtag
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def _get_args():
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parser = argparse.ArgumentParser(description="MiSoC - a high performance and small footprint SoC based on Migen.")
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parser.add_argument("-p", "--platform", default="mixxeo", help="platform to build for")
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parser.add_argument("-t", "--target", default="mlabs_video", help="SoC type to build")
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parser.add_argument("-s", "--sub-target", default="", help="variant of the SoC type to build")
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parser.add_argument("-Ot", "--target-option", default=[], nargs=2, action="append", help="set target-specific option")
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parser.add_argument("-Xp", "--external-platform", default="", help="use external platform file in the specified path")
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parser.add_argument("-Xt", "--external-target", default="", help="use external target file in the specified path")
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parser.add_argument("-d", "--decorate", default=[], action="append", help="apply simplification decorator to top-level")
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parser.add_argument("-Ob", "--build-option", default=[], nargs=2, action="append", help="set build option")
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parser.add_argument("-B", "--no-bitstream", default=False, action="store_true", help="do not build bitstream file")
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parser.add_argument("-H", "--no-header", default=False, action="store_true", help="do not build C header files with CSR/IRQ/SDRAM_PHY definitions")
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parser.add_argument("-c", "--csr-csv", default="", help="save CSR map into CSV file")
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parser.add_argument("-l", "--load", default=False, action="store_true", help="load bitstream to FPGA volatile memory")
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parser.add_argument("-f", "--flash", default=False, action="store_true", help="load bitstream to flash")
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return parser.parse_args()
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def _misoc_import(default, external, name):
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if external:
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try:
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del sys.modules[name] # force external path search
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except KeyError:
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pass
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loader = importlib.find_loader(name, [external])
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if loader is None:
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raise ImportError("Module not found: "+name)
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return loader.load_module()
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else:
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return importlib.import_module(default + "." + name)
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def main():
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args = _get_args()
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platform_module = _misoc_import("mibuild.platforms", args.external_platform, args.platform)
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target_module = _misoc_import("targets", args.external_target, args.target)
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platform = platform_module.Platform()
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if args.sub_target:
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top_class = getattr(target_module, args.sub_target)
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else:
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top_class = target_module.get_default_subtarget(platform)
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build_name = top_class.__name__.lower() + "-" + args.platform
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top_kwargs = dict((k, autotype(v)) for k, v in args.target_option)
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soc = top_class(platform, **top_kwargs)
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soc.finalize()
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if not args.no_header:
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boilerplate = """/*
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* Platform: {}
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* Target: {}
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* Subtarget: {}
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*/
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""".format(args.platform, args.target, top_class.__name__)
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linker_header = cpuif.get_linker_regions(soc.cpu_memory_regions)
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write_to_file("software/include/generated/regions.ld", boilerplate + linker_header)
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csr_header = cpuif.get_csr_header(soc.csr_base, soc.csrbankarray, soc.interrupt_map)
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write_to_file("software/include/generated/csr.h", boilerplate + csr_header)
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if hasattr(soc, "ddrphy"):
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sdram_phy_header = initsequence.get_sdram_phy_header(soc.ddrphy)
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write_to_file("software/include/generated/sdram_phy.h", boilerplate + sdram_phy_header)
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if args.csr_csv:
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csr_csv = cpuif.get_csr_csv(soc.csr_base, soc.csrbankarray)
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write_to_file(args.csr_csv, csr_csv)
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if hasattr(soc, "init_bios_memory"):
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ret = subprocess.call(["make", "-C", "software/bios"])
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if ret:
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raise OSError("BIOS build failed")
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bios_file = open("software/bios/bios.bin", "rb")
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bios_data = []
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while True:
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w = bios_file.read(4)
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if not w:
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break
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bios_data.append(struct.unpack(">I", w)[0])
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bios_file.close()
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soc.init_bios_memory(bios_data)
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for decorator in args.decorate:
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soc = getattr(simplify, decorator)(soc)
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if not args.no_bitstream:
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build_kwargs = dict((k, autotype(v)) for k, v in args.build_option)
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platform.build(soc, build_name=build_name, **build_kwargs)
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subprocess.call(["tools/byteswap",
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"build/" + build_name + ".bin",
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"build/" + build_name + ".fpg"])
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if args.load:
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jtag.load(platform.name, "build/" + build_name + ".bit")
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if args.flash:
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jtag.flash("build/" + build_name + ".fpg")
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if __name__ == "__main__":
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main()
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