From: Sebastien Bourdeauducq <sebastien@milkymist.org>
Date: Fri, 15 Mar 2013 10:32:12 +0000 (+0100)
Subject: Added support for Altera Quartus (by Florent Kermarrec)
X-Git-Tag: 24jan2021_ls180~2099^2~443^2~54
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=86d6f1d01164aa14772d4f011aba575b280af507;p=litex.git

Added support for Altera Quartus (by Florent Kermarrec)
---

diff --git a/mibuild/altera_quartus.py b/mibuild/altera_quartus.py
new file mode 100644
index 00000000..831b18b7
--- /dev/null
+++ b/mibuild/altera_quartus.py
@@ -0,0 +1,97 @@
+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")