nmigen_boards/arty_z7.py

   1 import os
   2 import subprocess
   3
   4 from nmigen.build import *
   5 from nmigen.vendor.xilinx_7series import *
   6 from .resources import *
   7
   8
   9 __all__ = ["ArtyZ720Platform"]
  10
  11
  12 class ArtyZ720Platform(Xilinx7SeriesPlatform):
  13     device      = "xc7z020"
  14     package     = "clg400"
  15     speed       = "1"
  16     default_clk = "clk125"
  17     resources   = [
  18         Resource("clk125", 0,
  19             Pins("H16", dir="i"), Clock(125e6), Attrs(IOSTANDARD="LVCMOS33")),
  20
  21         *SwitchResources(
  22             pins="M20 M19",
  23             attrs=Attrs(IOSTANDARD="LVCMOS33")),
  24
  25         RGBLEDResource(0,
  26             r="N15", g="G17", b="L15",                          # LD4
  27             attrs=Attrs(IOSTANDARD="LVCMOS33")),
  28         RGBLEDResource(1,                                       # LD5
  29             r="M15", g="L14", b="G14",
  30             attrs=Attrs(IOSTANDARD="LVCMOS33")),
  31
  32         *LEDResources(
  33             pins="R14 P14 N16 M14",
  34             attrs=Attrs(IOSTANDARD="LVCMOS33")),
  35
  36         *ButtonResources(
  37             pins="D19 D20 L20 L19",
  38             attrs=Attrs(IOSTANDARD="LVCMOS33")),
  39
  40         Resource("audio", 0,
  41             Subsignal("pwm", Pins("R18", dir="o")),
  42             Subsignal("sd",  PinsN("T17", dir="o")),
  43             Attrs(IOSTANDARD="LVCMOS33")),
  44
  45         Resource("crypto_sda", 0,                               # ATSHA204A
  46             Pins("J15", dir="io"),
  47             Attrs(IOSTANDARD="LVCMOS33")),
  48
  49         Resource("hdmi_rx", 0,                                  # J10
  50             Subsignal("cec", Pins("H17", dir="io")),
  51             Subsignal("clk", DiffPairs("N18", "P19", dir="i"),
  52                 Attrs(IOSTANDARD="TMDS_33")),
  53             Subsignal("d",   DiffPairs("V20 T20 N20", "W20 U20 P20", dir="i"),
  54                 Attrs(IOSTANDARD="TMDS_33")),
  55             Subsignal("hpd", Pins("T19", dir="o")),
  56             Subsignal("scl", Pins("U14", dir="io")),
  57             Subsignal("sda", Pins("U15", dir="io")),
  58             Attrs(IOSTANDARD="LVCMOS33")),
  59
  60         Resource("hdmi_tx", 0,                                  # J11
  61             Subsignal("cec", Pins("G15", dir="io")),
  62             Subsignal("clk", DiffPairs("L16", "L17", dir="o"),
  63                 Attrs(IOSTANDARD="TMDS_33")),
  64             Subsignal("d",   DiffPairs("K17 K19 J18", "K18 J19 H18", dir="o"),
  65                 Attrs(IOSTANDARD="TMDS_33")),
  66             Subsignal("hpd", PinsN("R19", dir="i")),
  67             Subsignal("scl", Pins("M17", dir="io")),
  68             Subsignal("sda", Pins("M18", dir="io")),
  69             Attrs(IOSTANDARD="LVCMOS33"))
  70     ]
  71     connectors = [
  72         Connector("pmod", 0, "Y18 Y19 Y16 Y17 - - U18 U19 W18 W19 - -"),  # JA
  73         Connector("pmod", 1, "Y14 W14 T10 T11 - - W16 V16 W13 V12 - -"),  # JB
  74
  75         Connector("ck_io", 0, {
  76             # Outer Digital Header
  77             "io0": "T14",
  78             "io1": "U12",
  79             "io2": "U13",
  80             "io3": "V13",
  81             "io4": "V15",
  82             "io5": "T15",
  83             "io6": "R16",
  84             "io7": "U17",
  85             "io8": "V17",
  86             "io9": "V18",
  87             "io10": "T16",
  88             "io11": "R17",
  89             "io12": "P18",
  90             "io13": "N17",
  91
  92             # Inner Digital Header
  93             "io26": "U5",
  94             "io27": "V5",
  95             "io28": "V6",
  96             "io29": "U7",
  97             "io30": "V7",
  98             "io31": "U8",
  99             "io32": "V8",
 100             "io33": "V10",
 101             "io34": "W10",
 102             "io35": "W6",
 103             "io36": "Y6",
 104             "io37": "Y7",
 105             "io38": "W8",
 106             "io39": "Y8",
 107             "io40": "W9",
 108             "io41": "Y9",
 109
 110             # Outer Analog Header as Digital IO
 111             "a0": "Y11",
 112             "a1": "Y12",
 113             "a2": "W11",
 114             "a3": "V11",
 115             "a4": "T5",
 116             "a5": "U10",
 117
 118             # Inner Analog Header as Digital IO
 119             "a6": "F19",
 120             "a7": "F20",
 121             "a8": "C20",
 122             "a9": "B20",
 123             "a10": "B19",
 124             "a11": "A20",
 125
 126             # Misc.
 127             "a": "Y13"
 128         }),
 129
 130         Connector("ck_spi", 0, {
 131             "miso": "W15",
 132             "mosi": "T12",
 133             "sck": "H15",
 134             "ss": "F16"
 135         }),
 136
 137         Connector("ck_i2c", 0, {
 138             "scl": "P16",
 139             "sda": "P15"
 140         }),
 141
 142         Connector("xadc", 0, {
 143             # Outer Analog Header
 144             "vaux1_n": "D18",
 145             "vaux1_p": "E17",
 146             "vaux9_n": "E19",
 147             "vaux9_p": "E18",
 148             "vaux6_n": "J14",
 149             "vaux6_p": "K14",
 150             "vaux15_n": "J16",
 151             "vaux15_p": "K16",
 152             "vaux5_n": "H20",
 153             "vaux5_p": "J20",
 154             "vaux13_n": "G20",
 155             "vaux13_p": "G19",
 156
 157             # Inner Analog Header
 158             "vaux12_n": "F20",
 159             "vaux12_p": "F19",
 160             "vaux0_n": "B20",
 161             "vaux0_p": "C20",
 162             "vaux8_n": "A20",
 163             "vaux8_p": "B19"
 164         })
 165     ]
 166
 167     def toolchain_program(self, products, name, **kwargs):
 168         xc3sprog = os.environ.get("XC3SPROG", "xc3sprog")
 169         with products.extract("{}.bit".format(name)) as bitstream_filename:
 170             subprocess.run([xc3sprog, "-c", "jtaghs1_fast", "-p", "1", bitstream_filename], check=True)
 171
 172
 173 if __name__ == "__main__":
 174     from .test.blinky import *
 175     ArtyZ720Platform().build(Blinky(), do_program=True)