nmigen_boards/de10_nano.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__ = ["DE10NanoPlatform"]
  10
  11
  12 class DE10NanoPlatform(IntelPlatform):
  13     device      = "5CSEBA6" # Cyclone V 110K LEs
  14     package     = "U23"     # UBGA-484
  15     speed       = "I7"
  16     default_clk = "clk50"
  17     resources   = [
  18         Resource("clk50", 0, Pins("V11", dir="i"),
  19                  Clock(50e6), Attrs(io_standard="3.3-V LVTTL")),
  20         Resource("clk50", 1, Pins("Y13", dir="i"),
  21                  Clock(50e6), Attrs(io_standard="3.3-V LVTTL")),
  22         Resource("clk50", 2, Pins("E11", dir="i"),
  23                  Clock(50e6), Attrs(io_standard="3.3-V LVTTL")),
  24
  25         *LEDResources(
  26             pins="W15 AA24 V16 V15 AF26 AE26 Y16 AA23",
  27             attrs=Attrs(io_standard="3.3-V LVTTL")),
  28         *ButtonResources(
  29             pins="AH17 AH16", invert=True,
  30             attrs=Attrs(io_standard="3.3-V LVTTL")),
  31         *SwitchResources(
  32             pins="Y24 W24 W21 W20",
  33             attrs=Attrs(io_standard="3.3-V LVTTL")),
  34
  35         # Arduino header
  36         UARTResource(0,
  37             rx="AG13", tx="AF13",
  38             attrs=Attrs(io_standard="3.3-V LVTTL")),
  39
  40         # LTC2308 analogue-to-digital converter
  41         SPIResource(0,
  42             cs="U9", clk="V10", mosi="AC4", miso="AD4",
  43             attrs=Attrs(io_standard="3.3-V LVTTL")),
  44
  45         # ADV7513 HDMI transmitter
  46         # Note this has a lot of input formats for tx_d, but this defaults to RGB24
  47         Resource("adv7513", 0,
  48             Subsignal("tx_d_r", Pins("AD12 AE12 W8   Y8   AD11 AD10 AE11 Y5", dir="o")),
  49             Subsignal("tx_d_g", Pins("AF10 Y4   AE9  AB4  AE7  AF6  AF8  AF5", dir="o")),
  50             Subsignal("tx_d_b", Pins("AE4  AH2  AH4  AH5  AH6  AG6  AF9  AE8", dir="o")),
  51             Subsignal("tx_clk", Pins("AG5", dir="o")),
  52             Subsignal("tx_de", Pins("AD19", dir="o")),
  53             Subsignal("tx_hs", Pins("T8", dir="o")),
  54             Subsignal("tx_vs", Pins("V13", dir="o")),
  55             Subsignal("tx_int", Pins("AF11", dir="i")),
  56             Subsignal("i2s0", Pins("T13", dir="o")),
  57             Subsignal("mclk", Pins("U11", dir="o")),
  58             Subsignal("lrclk", Pins("T11", dir="o")),
  59             Subsignal("sclk", Pins("T12", dir="o")),
  60             Subsignal("scl", Pins("U10", dir="o")),
  61             Subsignal("sda", Pins("AA4", dir="io")),
  62             Attrs(io_standard="3.3-V LVTTL")),
  63     ]
  64     connectors  = [
  65         Connector("gpio", 0,
  66             "V12  E8   W12  D11  D8   AH13 AF7  AH14 AF4  AH3  "
  67             "-    -    AD5  AG14 AE23 AE6  AD23 AE24 D12  AD20 "
  68             "C12  AD17 AC23 AC22 Y19  AB23 AA19 W11  -    -    "
  69             "AA18 W14  Y18  Y17  AB25 AB26 Y11  AA26 AA13 AA11 "),
  70         Connector("gpio", 1,
  71             "Y15  AC24 AA15 AD26 AG28 AF28 AE25 AF27 AG26 AH27 "
  72             "-    -    AG25 AH26 AH24 AF25 AG23 AF23 AG24 AH22 "
  73             "AH21 AG21 AH23 AA20 AF22 AE22 AG20 AF21 -    -    "
  74             "AG19 AH19 AG18 AH18 AF18 AF20 AG15 AE20 AE19 AE17 "),
  75         Connector("arduino", 0,
  76             "AG13 AF13 AG10 AG9  U14  U13  AG8  AH8  "
  77             "AF17 AE15 AF15 AG16 AH11 AH12 AH9  AG11 "
  78             "AH7"),
  79     ]
  80
  81     def toolchain_program(self, products, name):
  82         quartus_pgm = os.environ.get("QUARTUS_PGM", "quartus_pgm")
  83         with products.extract("{}.sof".format(name)) as bitstream_filename:
  84             subprocess.check_call([quartus_pgm, "--haltcc", "--mode", "JTAG",
  85                                    "--operation", "P;" + bitstream_filename])
  86
  87
  88 if __name__ == "__main__":
  89     from .test.blinky import Blinky
  90     DE10NanoPlatform().build(Blinky(), do_program=True)