amaranth-lang · Mar 12, 2020
Showing with 89 additions and 0 deletions.

+89 −0 nmigen_boards/de10_lite.py
diff --git a/nmigen_boards/de10_lite.py b/nmigen_boards/de10_lite.py
@@ -0,0 +1,89 @@
+import os
+import subprocess
+
+from nmigen.build import *
+from nmigen.vendor.intel import *
+from .resources import *
+
+
+__all__ = ["DE10LitePlatform"]
+
+
+class DE10LitePlatform(IntelPlatform):
+    device      = "10M50DAF484" # MAX10
+    package     = "F23"     # FBGA-484
+    speed       = "I7"
+    default_clk = "clk50"
+    resources   = [
+        Resource("clk10", 0, Pins("N5", dir="i"),
+                 Clock(50e6), Attrs(io_standard="3.3-V LVTTL")),
+        Resource("clk50", 1, Pins("P11", dir="i"),
+                 Clock(50e6), Attrs(io_standard="3.3-V LVTTL")),
+        Resource("clk50", 2, Pins("N14", dir="i"),
+                 Clock(50e6), Attrs(io_standard="3.3-V LVTTL")),
+
+        *LEDResources(
+            pins="A8 A9 A10 B10 D13 C13 E14 D14 A11 B11",
+            attrs=Attrs(io_standard="3.3-V LVTTL")),
+        *ButtonResources(
+            pins="B8 A7", invert=True,
+            attrs=Attrs(io_standard="3.3-V LVTTL")),
+        *SwitchResources(
+            pins="C10 C11 D12 C12 A12 B12 A13 A14 B14 F15",
+            attrs=Attrs(io_standard="3.3-V LVTTL")),
+        Display7SegResource(0,
+            a="C14", b="E15", c="C15", d="C16", e="E16", f="D17", g="C17", dp="D15", invert=True,
+            attrs=Attrs(io_standard="3.3-V LVTTL")),
+        Display7SegResource(1,
+            a="C18", b="D18", c="E18", d="B16", e="A17", f="A18", g="B17", dp="A16", invert=True,
+            attrs=Attrs(io_standard="3.3-V LVTTL")),
+        Display7SegResource(2,
+            a="B20", b="A20", c="B19", d="A21", e="B21", f="C22", g="B22", dp="A19", invert=True,
+            attrs=Attrs(io_standard="3.3-V LVTTL")),
+        Display7SegResource(3,
+            a="F21", b="E22", c="E21", d="C19", e="C20", f="D19", g="E17", dp="D22", invert=True,
+            attrs=Attrs(io_standard="3.3-V LVTTL")),
+        Display7SegResource(4,
+            a="F18", b="E20", c="E19", d="J18", e="H19", f="F19", g="F20", dp="F17", invert=True,
+            attrs=Attrs(io_standard="3.3-V LVTTL")),
+        Display7SegResource(5,
+            a="J20", b="K20", c="L18", d="N18", e="M20", f="N19", g="N20", dp="L19", invert=True,
+            attrs=Attrs(io_standard="3.3-V LVTTL")),
+
+        # Arduino header
+        UARTResource(0,
+            rx="V10", tx="W10",
+            attrs=Attrs(io_standard="3.3-V LVTTL")),
+
+        SDRAMResource(0,
+            clk="L14", cs="U20", we="V20", ras="U22", cas="U21",
+            ba="T21 T22", a="U17 W19 V18 U18 U19 T18 T19 R18 P18 P19 T20 P20 R20",
+            dq="Y21 Y20 AA22 AA21 Y22 W22 W20 V21 P21 J22 H21 H22 G22 G20 G19 F22",
+            dqm="V22 J21", attrs=Attrs(io_standard="3.3-V LVCMOS")),
+
+        Resource("vga", 0,
+            Subsignal("r", Pins("AA1 V1 Y2 Y1", dir="o")),
+            Subsignal("g", Pins("W1 T2 R2 R1", dir="o")),
+            Subsignal("b", Pins("P1 T1 P4 N2", dir="o")),
+            Subsignal("hs", Pins("N3", dir="o")),
+            Subsignal("vs", Pins("N1", dir="o")),
+            Attrs(io_standard="3.3-V LVTTL"))
+    ]
+    connectors  = [
+        Connector("gpio", 0,
+            "V10 W10 V9 W9 V8 W8 V7 W7 W6 V5 W5 AA15 AA14 W13 W12 AB13 AB12 Y11 AB11 W11 AB10 "
+            "AA10 AA9 Y8 AA8 Y7 AA7 Y6 AA6 Y5 AA5 Y4 AB3 Y3 AB2 AA2"),
+        Connector("gpio", 5,
+            "AB5 AB6 AB7 AB8 AB9 Y10 AA11 AA12 AB17 AA17 AB19 AA19 Y19 AB20 AB21 AA20 F16"),
+    ]
+
+    def toolchain_program(self, products, name):
+        quartus_pgm = os.environ.get("QUARTUS_PGM", "quartus_pgm")
+        with products.extract("{}.sof".format(name)) as bitstream_filename:
+            subprocess.check_call([quartus_pgm, "--haltcc", "--mode", "JTAG",
+                                   "--operation", "P;" + bitstream_filename])
+
+
+if __name__ == "__main__":
+    from .test.blinky import Blinky
+    DE10LitePlatform().build(Blinky(), do_program=True)