Add Terasic DE0.

diff --git a/nmigen_boards/de0.py b/nmigen_boards/de0.py
new file mode 100644 (file)
index 0000000..047d010
--- /dev/null
+++ b/nmigen_boards/de0.py
@@ -0,0 +1,118 @@
+import os
+import subprocess
+
+from nmigen.build import *
+from nmigen.vendor.altera import *
+from .resources import *
+
+
+__all__ = ["DE0Platform"]
+
+
+class DE0Platform(AlteraPlatform):
+    device      = "EP3C16" # Cyclone III 15K LEs
+    package     = "F484"   # FBGA-484 UBGA-672
+    speed       = "C6"
+    default_clk = "clk50"
+    resources   = [
+        Resource("clk50", 0, Pins("G21", dir="i"),
+                 Clock(50e6), Attrs(io_standard="3.3-V LVTTL")),
+        Resource("clk50", 1, Pins("B12", dir="i"),
+                 Clock(50e6), Attrs(io_standard="3.3-V LVTTL")),
+
+        *LEDResources(
+            pins="J1 J2 J3 H1 F2 E1 C1 C2 B2 B1",
+            attrs=Attrs(io_standard="3.3-V LVTTL")),
+        *ButtonResources(
+            pins="H2 G3 F1",
+            attrs=Attrs(io_standard="3.3-V LVTTL")),
+        *SwitchResources(
+            pins="J6 H5 H6 G4 G5 J7 H7 E3 E4 D2",
+            attrs=Attrs(io_standard="3.3-V LVTTL")),
+        Display7SegResource(0,
+            a="E11", b="F11", c="H12", d="H13", e="G12", f="F12", g="F13", dp="D13", invert=True,
+            attrs=Attrs(io_standard="3.3-V LVTTL")),
+        Display7SegResource(1,
+            a="A13", b="B13", c="C13", d="A14", e="B14", f="E14", g="A15", dp="B15", invert=True,
+            attrs=Attrs(io_standard="3.3-V LVTTL")),
+        Display7SegResource(2,
+            a="D15", b="A16", c="B16", d="E15", e="A17", f="B17", g="F14", dp="A18", invert=True,
+            attrs=Attrs(io_standard="3.3-V LVTTL")),
+        Display7SegResource(3,
+            a="B18", b="F15", c="A19", d="B19", e="C19", f="D19", g="G15", dp="G16", invert=True,
+            attrs=Attrs(io_standard="3.3-V LVTTL")),
+
+        UARTResource(0,
+            rx="U22", tx="U21", rts="V22", cts="V21",
+            attrs=Attrs(io_standard="3.3-V LVTTL")),
+
+        Resource("display_hd44780", 0,
+            Subsignal("e", Pins("E21", dir="o")),
+            Subsignal("d", Pins("D22 D21 C22 C21 B22 B21 D20 C20", dir="io")),
+            Subsignal("rw", Pins("E22", dir="o")),
+            Subsignal("rs", Pins("F22", dir="o")),
+            # Backlight
+            Subsignal("bl", Pins("F21", dir="o")),
+            Attrs(io_standard="3.3-V LVTTL")
+        ),
+
+        Resource("vga", 0,
+            Subsignal("r", Pins("H19 H17 H20 H21", dir="o")),
+            Subsignal("g", Pins("H22 J17 K17 J21", dir="o")),
+            Subsignal("b", Pins("K22 K21 J22 K18", dir="o")),
+            Subsignal("hs", Pins("L21", dir="o")),
+            Subsignal("vs", Pins("L22", dir="o")),
+            Attrs(io_standard="3.3-V LVTTL")
+        ),
+
+        Resource("ps2_host", 0, # Keyboard
+            Subsignal("clk", Pins("P22", dir="i")),
+            Subsignal("dat", Pins("P21", dir="io")),
+            Attrs(io_standard="3.3-V LVTTL")
+        ),
+        Resource("ps2_host", 1, # Mouse
+            Subsignal("clk", Pins("R21", dir="i")),
+            Subsignal("dat", Pins("R22", dir="io")),
+            Attrs(io_standard="3.3-V LVTTL")
+        ),
+
+        *SDCardResources(0,
+            clk="Y21", cmd="Y22", dat0="AA22", dat3="W21", wp="W20",
+            attrs=Attrs(io_standard="3.3-V LVTTL")),
+
+        SDRAMResource(0,
+            clk="E5", cke="E6", cs="G7", we="D6", ras="F7", cas="G8",
+            ba="B5 A4", a="C4 A3 B3 C3 A5 C6 B6 A6 C7 B7 B4 A7 C8",
+            dq="D10 G10 H10 E9 F9 G9 H9 F8 A8 B9 A9 C10 B10 A10 E10 F10", dqm="E7 B8",
+            attrs=Attrs(io_standard="3.3-V LVTTL")),
+
+        *NORFlashResources(0,
+            rst="R1", byte="AA1",
+            cs="N8", oe="R6", we="P4", wp="T3", by="M7",
+            a="P7 P5 P6 N7 N5 N6 M8 M4 P2 N2 N1 M3 M2 M1 L7 L6 AA2 M5 M6 P1 P3 R2",
+            dq="R7 P8 R8 U1 V2 V3 W1 Y1 T5 T7 T4 U2 V1 V4 W2 Y2",
+            attrs=Attrs(io_standard="3.3-V LVTTL")),
+    ]
+    connectors  = [
+        Connector("j", 4,
+            "AB12 AB16 AA12 AA16 AA15 AB15 AA14 AB14 AB13 AA13 -    -    "
+            "AB10 AA10 AB8  AA8  AB5  AA5  AB3  AB4  AA3  AA4  V14  U14  "
+            "Y13  W13  U13  V12  -    -    R10  V11  Y10  W10  T8   V8   "
+            "W7   W6   V5   U7  "),
+        Connector("j", 5,
+            "AB11 AA20 AA11 AB20 AA19 AB19 AB18 AA18 AA17 AB17 -    -    "
+            "Y17  W17  U15  T15  W15  V15  R16  AB9  T16  AA9  AA7  AB7  "
+            "T14  R14  U12  T12  -    -    R11  R12  U10  T10  U9   T9   "
+            "Y7   U8   V6   V7  "),
+    ]
+
+    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
+    DE0Platform().build(Blinky(), do_program=True)