litex/make.py

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#!/usr/bin/env python3
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import argparse, importlib, subprocess
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from mibuild.tools import write_to_file
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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():
parser = argparse.ArgumentParser(description="MiSoC - a high performance SoC based on Migen.")
parser.add_argument("-p", "--platform", default="mixxeo", help="platform to build for")
parser.add_argument("-t", "--target", default="mlabs_video", help="SoC type to build")
parser.add_argument("-s", "--sub-target", default="", help="variant of the SoC type to build")
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parser.add_argument("-o", "--option", default=[], nargs=2, action="append")
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parser.add_argument("-B", "--no-bitstream", default=False, action="store_true", help="do not build bitstream file")
parser.add_argument("-H", "--no-header", default=False, action="store_true", help="do not build C header files with CSR/IRQ/SDRAM_PHY definitions")
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")
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 main():
args = _get_args()
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platform_module = importlib.import_module("mibuild.platforms." + args.platform)
target_module = importlib.import_module("targets." + args.target)
platform = platform_module.Platform()
if args.sub_target:
top_class = getattr(target_module, args.sub_target)
else:
top_class = target_module.get_default_subtarget(platform)
build_name = top_class.__name__.lower() + "-" + args.platform
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top_kwargs = dict((k, eval(v)) for k, v in args.option)
soc = top_class(platform, **top_kwargs)
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if not args.no_bitstream:
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platform.build(soc, build_name=build_name)
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subprocess.call(["tools/byteswap",
"build/" + build_name + ".bin",
"build/" + build_name + ".fpg"])
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else:
soc.finalize()
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if not args.no_header:
boilerplate = """/*
* Platform: {}
* Target: {}
* Subtarget: {}
*/
""".format(args.platform, args.target, top_class.__name__)
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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/hw/csr.h", boilerplate + csr_header)
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sdram_phy_header = initsequence.get_sdram_phy_header(soc.ddrphy)
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write_to_file("software/include/hw/sdram_phy.h", boilerplate + sdram_phy_header)
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 args.load:
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jtag.load("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__":
main()