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55 lines
1.8 KiB
Python
55 lines
1.8 KiB
Python
#!/usr/bin/python3
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from fusesoc.capi2.generator import Generator
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import os
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import sys
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import pathlib
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class LiteDRAMGenerator(Generator):
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def run(self):
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board = self.config.get('board')
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# Collect a bunch of directory path
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script_dir = os.path.dirname(sys.argv[0])
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base_dir = os.path.join(script_dir, os.pardir)
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gen_dir = os.path.join(base_dir, "generated", board)
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extras_dir = os.path.join(base_dir, "extras")
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print("Adding LiteDRAM for board... ", board)
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# Grab init-cpu.txt if it exists
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cpu_file = os.path.join(gen_dir, "init-cpu.txt")
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if os.path.exists(cpu_file):
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cpu = pathlib.Path(cpu_file).read_text()
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else:
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cpu = "none"
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print("CPU is ", cpu)
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# Add files to fusesoc
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files = []
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f = os.path.join(gen_dir, "litedram_core.v")
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files.append({f : {'file_type' : 'verilogSource'}})
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f = os.path.join(gen_dir, "litedram-initmem.vhdl")
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files.append({f : {'file_type' : 'vhdlSource-2008'}})
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f = os.path.join(gen_dir, "litedram_core.init")
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files.append({f : {'file_type' : 'user'}})
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# Look for init CPU types and add corresponding files
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if cpu == "vexriscv":
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print("Adding VexRiscv files and wrapper")
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f = os.path.join(extras_dir, "VexRiscv.v")
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files.append({f : {'file_type' : 'verilogSource'}})
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f = os.path.join(extras_dir, "wrapper-self-init.vhdl")
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files.append({f : {'file_type' : 'vhdlSource-2008'}})
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else:
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print("Adding wrapper")
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f = os.path.join(extras_dir, "wrapper-mw-init.vhdl")
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files.append({f : {'file_type' : 'vhdlSource-2008'}})
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self.add_files(files)
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g = LiteDRAMGenerator()
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g.run()
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g.write()
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