--- /dev/null
+import os, subprocess
+
+from mibuild.generic_platform import *
+from mibuild.crg import SimpleCRG
+from mibuild import tools
+
+def _add_period_constraint(platform, clk, period):
+ platform.add_platform_command("""set_global_assignment -name DUTY_CYCLE 50 -section_id {clk}""", clk=clk)
+ platform.add_platform_command("""set_global_assignment -name FMAX_REQUIREMENT "{freq} MHz" -section_id {clk}\n""".format(freq=str(float(1/period)*1000), clk="{clk}"), clk=clk)
+
+class CRG_SE(SimpleCRG):
+ def __init__(self, platform, clk_name, rst_name, period, rst_invert=False):
+ SimpleCRG.__init__(self, platform, clk_name, rst_name, rst_invert)
+ _add_period_constraint(platform, self.cd.clk, period)
+
+def _format_constraint(c):
+ if isinstance(c, Pins):
+ return "set_location_assignment PIN_" + c.identifiers[0]
+ elif isinstance(c, IOStandard):
+ return "set_instance_assignment -name IO_STANDARD " + "\"" + c.name + "\""
+ elif isinstance(c, Misc):
+ return c.misc
+
+def _format_qsf(signame, pin, others, resname):
+ fmt_c = [_format_constraint(c) for c in ([Pins(pin)] + others)]
+ fmt_r = resname[0] + ":" + str(resname[1])
+ if resname[2] is not None:
+ fmt_r += "." + resname[2]
+ r = ""
+ for c in fmt_c:
+ r += c + " -to " + signame + " # " + fmt_r + "\n"
+ return r
+
+def _build_qsf(named_sc, named_pc):
+ r = ""
+ for sig, pins, others, resname in named_sc:
+ if len(pins) > 1:
+ for i, p in enumerate(pins):
+ r += _format_qsf(sig + "[" + str(i) + "]", p, others, resname)
+ else:
+ r += _format_qsf(sig, pins[0], others, resname)
+ if named_pc:
+ r += "\n" + "\n\n".join(named_pc)
+ return r
+
+def _build_files(device, sources, named_sc, named_pc, build_name):
+ qsf_contents = ""
+ for filename, language in sources:
+ qsf_contents += "set_global_assignment -name "+language.upper()+"_FILE " + filename.replace("\\","/") + "\n"
+
+ qsf_contents += _build_qsf(named_sc, named_pc)
+ qsf_contents += "set_global_assignment -name DEVICE " + device
+ tools.write_to_file(build_name + ".qsf", qsf_contents)
+
+def _run_quartus(build_name, quartus_path):
+ build_script_contents = """# Autogenerated by mibuild
+
+quartus_map {build_name}.qpf
+quartus_fit {build_name}.qpf
+quartus_asm {build_name}.qpf
+quartus_sta {build_name}.qpf
+
+""".format(build_name=build_name)
+ build_script_file = "build_" + build_name + ".sh"
+ tools.write_to_file(build_script_file, build_script_contents)
+
+ r = subprocess.call(["bash", build_script_file])
+ if r != 0:
+ raise OSError("Subprocess failed")
+
+class AlteraQuartusPlatform(GenericPlatform):
+ def build(self, fragment, clock_domains=None, build_dir="build", build_name="top",
+ quartus_path="/opt/Altera", run=True):
+ tools.mkdir_noerror(build_dir)
+ os.chdir(build_dir)
+
+ v_src, named_sc, named_pc = self.get_verilog(fragment, clock_domains)
+ v_file = build_name + ".v"
+ tools.write_to_file(v_file, v_src)
+ sources = self.sources + [(v_file, "verilog")]
+ _build_files(self.device, sources, named_sc, named_pc, build_name)
+ if run:
+ _run_quartus(build_name, quartus_path)
+
+ os.chdir("..")
+
+ def build_arg_ns(self, ns, *args, **kwargs):
+ for n in ["build_dir", "build_name", "quartus_path"]:
+ kwargs[n] = getattr(ns, n)
+ kwargs["run"] = not ns.no_run
+ self.build(*args, **kwargs)
+
+ def add_arguments(self, parser):
+ parser.add_argument("--build-dir", default="build", help="Set the directory in which to generate files and run Quartus")
+ parser.add_argument("--build-name", default="top", help="Base name for the generated files")
+ parser.add_argument("--quartus-path", default="/opt/Altera", help="Quartus installation path (without version directory)")
+ parser.add_argument("--no-run", action="store_true", help="Only generate files, do not run Quartus")