nmigen_boards/de0.py

   1 import os
   2 import subprocess
   3
   4 from nmigen.build import *
   5 from nmigen.vendor.intel import *
   6 from .resources import *
   7
   8
   9 __all__ = ["DE0Platform"]
  10
  11
  12 class DE0Platform(IntelPlatform):
  13     device      = "EP3C16" # Cyclone III 15K LEs
  14     package     = "F484"   # FBGA-484
  15     speed       = "C6"
  16     default_clk = "clk50"
  17     resources   = [
  18         Resource("clk50", 0, Pins("G21", dir="i"),
  19                  Clock(50e6), Attrs(io_standard="3.3-V LVTTL")),
  20         Resource("clk50", 1, Pins("B12", dir="i"),
  21                  Clock(50e6), Attrs(io_standard="3.3-V LVTTL")),
  22
  23         *LEDResources(
  24             pins="J1 J2 J3 H1 F2 E1 C1 C2 B2 B1",
  25             attrs=Attrs(io_standard="3.3-V LVTTL")),
  26         *ButtonResources(
  27             pins="H2 G3 F1", invert=True,
  28             attrs=Attrs(io_standard="3.3-V LVTTL")),
  29         *SwitchResources(
  30             pins="J6 H5 H6 G4 G5 J7 H7 E3 E4 D2",
  31             attrs=Attrs(io_standard="3.3-V LVTTL")),
  32         Display7SegResource(0,
  33             a="E11", b="F11", c="H12", d="H13", e="G12", f="F12", g="F13", dp="D13", invert=True,
  34             attrs=Attrs(io_standard="3.3-V LVTTL")),
  35         Display7SegResource(1,
  36             a="A13", b="B13", c="C13", d="A14", e="B14", f="E14", g="A15", dp="B15", invert=True,
  37             attrs=Attrs(io_standard="3.3-V LVTTL")),
  38         Display7SegResource(2,
  39             a="D15", b="A16", c="B16", d="E15", e="A17", f="B17", g="F14", dp="A18", invert=True,
  40             attrs=Attrs(io_standard="3.3-V LVTTL")),
  41         Display7SegResource(3,
  42             a="B18", b="F15", c="A19", d="B19", e="C19", f="D19", g="G15", dp="G16", invert=True,
  43             attrs=Attrs(io_standard="3.3-V LVTTL")),
  44
  45         UARTResource(0,
  46             rx="U22", tx="U21", rts="V22", cts="V21",
  47             attrs=Attrs(io_standard="3.3-V LVTTL"),
  48             role="dce"),
  49
  50         Resource("display_hd44780", 0,
  51             Subsignal("e", Pins("E21", dir="o")),
  52             Subsignal("d", Pins("D22 D21 C22 C21 B22 B21 D20 C20", dir="io")),
  53             Subsignal("rw", Pins("E22", dir="o")),
  54             Subsignal("rs", Pins("F22", dir="o")),
  55             # Backlight
  56             Subsignal("bl", Pins("F21", dir="o")),
  57             Attrs(io_standard="3.3-V LVTTL")
  58         ),
  59
  60         Resource("vga", 0,
  61             Subsignal("r", Pins("H19 H17 H20 H21", dir="o")),
  62             Subsignal("g", Pins("H22 J17 K17 J21", dir="o")),
  63             Subsignal("b", Pins("K22 K21 J22 K18", dir="o")),
  64             Subsignal("hs", Pins("L21", dir="o")),
  65             Subsignal("vs", Pins("L22", dir="o")),
  66             Attrs(io_standard="3.3-V LVTTL")
  67         ),
  68
  69         Resource("ps2_host", 0, # Keyboard
  70             Subsignal("clk", Pins("P22", dir="i")),
  71             Subsignal("dat", Pins("P21", dir="io")),
  72             Attrs(io_standard="3.3-V LVTTL")
  73         ),
  74         Resource("ps2_host", 1, # Mouse
  75             Subsignal("clk", Pins("R21", dir="i")),
  76             Subsignal("dat", Pins("R22", dir="io")),
  77             Attrs(io_standard="3.3-V LVTTL")
  78         ),
  79
  80         *SDCardResources(0,
  81             clk="Y21", cmd="Y22", dat0="AA22", dat3="W21", wp="W20",
  82             attrs=Attrs(io_standard="3.3-V LVTTL")),
  83
  84         SDRAMResource(0,
  85             clk="E5", cke="E6", cs="G7", we="D6", ras="F7", cas="G8",
  86             ba="B5 A4", a="C4 A3 B3 C3 A5 C6 B6 A6 C7 B7 B4 A7 C8",
  87             dq="D10 G10 H10 E9 F9 G9 H9 F8 A8 B9 A9 C10 B10 A10 E10 F10", dqm="E7 B8",
  88             attrs=Attrs(io_standard="3.3-V LVTTL")),
  89
  90         *NORFlashResources(0,
  91             rst="R1", byte="AA1",
  92             cs="N8", oe="R6", we="P4", wp="T3", by="M7",
  93             a="P7 P5 P6 N7 N5 N6 M8 M4 P2 N2 N1 M3 M2 M1 L7 L6 AA2 M5 M6 P1 P3 R2",
  94             dq="R7 P8 R8 U1 V2 V3 W1 Y1 T5 T7 T4 U2 V1 V4 W2 Y2",
  95             attrs=Attrs(io_standard="3.3-V LVTTL")),
  96     ]
  97     connectors  = [
  98         Connector("j", 4,
  99             "AB12 AB16 AA12 AA16 AA15 AB15 AA14 AB14 AB13 AA13 -    -    "
 100             "AB10 AA10 AB8  AA8  AB5  AA5  AB3  AB4  AA3  AA4  V14  U14  "
 101             "Y13  W13  U13  V12  -    -    R10  V11  Y10  W10  T8   V8   "
 102             "W7   W6   V5   U7  "),
 103         Connector("j", 5,
 104             "AB11 AA20 AA11 AB20 AA19 AB19 AB18 AA18 AA17 AB17 -    -    "
 105             "Y17  W17  U15  T15  W15  V15  R16  AB9  T16  AA9  AA7  AB7  "
 106             "T14  R14  U12  T12  -    -    R11  R12  U10  T10  U9   T9   "
 107             "Y7   U8   V6   V7  "),
 108     ]
 109
 110     def toolchain_program(self, products, name):
 111         quartus_pgm = os.environ.get("QUARTUS_PGM", "quartus_pgm")
 112         with products.extract("{}.sof".format(name)) as bitstream_filename:
 113             subprocess.check_call([quartus_pgm, "--haltcc", "--mode", "JTAG",
 114                                    "--operation", "P;" + bitstream_filename])
 115
 116
 117 if __name__ == "__main__":
 118     from .test.blinky import Blinky
 119     DE0Platform().build(Blinky(), do_program=True)