examples/customecpix5.py

   1 import os
   2 import subprocess
   3
   4 from nmigen.build import *
   5 from nmigen.vendor.lattice_ecp5 import *
   6 from nmigen_boards.resources import *
   7
   8
   9 __all__ = ["ECPIX5Platform"]
  10
  11
  12 class ECPIX5Platform(LatticeECP5Platform):
  13     device      = "LFE5UM5G-85F"
  14     package     = "BG554"
  15     speed       = "8"
  16     default_clk = "clk100"
  17     default_rst = "rst"
  18
  19     resources   = [
  20         Resource("rst", 0, PinsN("AB1", dir="i"), Attrs(IO_TYPE="LVCMOS33")),
  21         Resource("clk100", 0, Pins("K23", dir="i"), Clock(100e6), Attrs(IO_TYPE="LVCMOS33")),
  22
  23         RGBLEDResource(0, r="U21", g="W21", b="T24", attrs=Attrs(IO_TYPE="LVCMOS33")),
  24         RGBLEDResource(1, r="T23", g="R21", b="T22", attrs=Attrs(IO_TYPE="LVCMOS33")),
  25         RGBLEDResource(2, r="P21", g="R23", b="P22", attrs=Attrs(IO_TYPE="LVCMOS33")),
  26         RGBLEDResource(3, r="K21", g="K24", b="M21", attrs=Attrs(IO_TYPE="LVCMOS33")),
  27
  28         UARTResource(0,
  29             rx="R26", tx="R24",
  30             attrs=Attrs(IO_TYPE="LVCMOS33", PULLMODE="UP")
  31         ),
  32
  33         *SPIFlashResources(0,
  34             cs="AA2", clk="AE3", miso="AE2", mosi="AD2", wp="AF2", hold="AE1",
  35             attrs=Attrs(IO_TYPE="LVCMOS33")
  36         ),
  37
  38         Resource("eth_rgmii", 0,
  39             Subsignal("rst",     PinsN("C13", dir="o")),
  40             Subsignal("mdio",    Pins("A13", dir="io")),
  41             Subsignal("mdc",     Pins("C11", dir="o")),
  42             Subsignal("tx_clk",  Pins("A12", dir="o")),
  43             Subsignal("tx_ctrl", Pins("C9", dir="o")),
  44             Subsignal("tx_data", Pins("D8 C8 B8 A8", dir="o")),
  45             Subsignal("rx_clk",  Pins("E11", dir="i")),
  46             Subsignal("rx_ctrl", Pins("A11", dir="i")),
  47             Subsignal("rx_data", Pins("B11 A10 B10 A9", dir="i")),
  48             Attrs(IO_TYPE="LVCMOS33")
  49         ),
  50         Resource("eth_int", 0, PinsN("B13", dir="i"), Attrs(IO_TYPE="LVCMOS33")),
  51
  52         *SDCardResources(0,
  53             clk="P24", cmd="M24", dat0="N26", dat1="N25", dat2="N23", dat3="N21", cd="L22",
  54             # TODO
  55             # clk_fb="P25", cmd_dir="M23", dat0_dir="N24", dat123_dir="P26",
  56             attrs=Attrs(IO_TYPE="LVCMOS33"),
  57         ),
  58
  59         # ERROR: cannot place differential IO at location PIOB
  60         # if we choose to use DiffPairs
  61         Resource("ddr3", 0,
  62             Subsignal("clk",    Pins("H3", dir="o")),
  63             #Subsignal("clk",    DiffPairs("H3", "J3", dir="o"), Attrs(IO_TYPE="SSTL135D_I")),
  64             Subsignal("cke", Pins("P1", dir="o")),
  65             Subsignal("we_n",     Pins("R3", dir="o")),
  66             Subsignal("ras_n",    Pins("T3", dir="o")),
  67             Subsignal("cas_n",    Pins("P2", dir="o")),
  68             Subsignal("a",      Pins("T5 M3 L3 V6 K2 W6 K3 L1 H2 L2 N1 J1 M1 K1", dir="o")),
  69             Subsignal("ba",     Pins("U6 N3 N4", dir="o")),
  70             #Subsignal("dqs",    DiffPairs("V4 V1", "U5 U2", dir="io"), Attrs(IO_TYPE="SSTL135D_I")),
  71             Subsignal("dqs",    Pins("V4 V1", dir="io"), Attrs(IO_TYPE="SSTL135D_I", TERMINATION="OFF", DIFFRESISTOR="100")),
  72             Subsignal("dq",     Pins("T4 W4 R4 W5 R6 P6 P5 P4 R1 W3 T2 V3 U3 W1 T1 W2", dir="io")),
  73             Subsignal("dm",     Pins("J4 H5", dir="o")),
  74             Subsignal("odt",    Pins("P3", dir="o")),
  75             Attrs(IO_TYPE="SSTL135_I")
  76         ),
  77
  78         Resource("hdmi", 0,
  79             Subsignal("rst",   PinsN("N6", dir="o")),
  80             Subsignal("scl",   Pins("C17", dir="io")),
  81             Subsignal("sda",   Pins("E17", dir="io")),
  82             Subsignal("pclk",  Pins("C1", dir="o")),
  83             Subsignal("vsync", Pins("A4", dir="o")),
  84             Subsignal("hsync", Pins("B4", dir="o")),
  85             Subsignal("de",    Pins("A3", dir="o")),
  86             Subsignal("d",
  87                 Subsignal("b", Pins("AD25 AC26 AB24 AB25  B3  C3  D3  B1  C2  D2 D1 E3", dir="o")),
  88                 Subsignal("g", Pins("AA23 AA22 AA24 AA25  E1  F2  F1 D17 D16 E16 J6 H6", dir="o")),
  89                 Subsignal("r", Pins("AD26 AE25 AF25 AE26 E10 D11 D10 C10  D9  E8 H5 J4", dir="o")),
  90             ),
  91             Subsignal("mclk",  Pins("E19", dir="o")),
  92             Subsignal("sck",   Pins("D6", dir="o")),
  93             Subsignal("ws",    Pins("C6", dir="o")),
  94             Subsignal("i2s",   Pins("A6 B6 A5 C5", dir="o")),
  95             Subsignal("int",   PinsN("C4", dir="i")),
  96             Attrs(IO_TYPE="LVTTL33")
  97         ),
  98
  99         Resource("sata", 0,
 100             Subsignal("tx", DiffPairs("AD16", "AD17", dir="o")),
 101             Subsignal("rx", DiffPairs("AF15", "AF16", dir="i")),
 102             Attrs(IO_TYPE="LVDS")
 103         ),
 104
 105         Resource("ulpi", 0,
 106             Subsignal("rst",  Pins("E23", dir="o")),
 107             Subsignal("clk",  Pins("H24", dir="i")),
 108             Subsignal("dir",  Pins("F22", dir="i")),
 109             Subsignal("nxt",  Pins("F23", dir="i")),
 110             Subsignal("stp",  Pins("H23", dir="o")),
 111             Subsignal("data", Pins("M26 L25 L26 K25 K26 J23 J26 H25", dir="io")),
 112             Attrs(IO_TYPE="LVCMOS33")
 113         ),
 114
 115         Resource("usbc_cfg", 0,
 116             Subsignal("scl", Pins("D24", dir="io")),
 117             Subsignal("sda", Pins("C24", dir="io")),
 118             Subsignal("dir", Pins("B23", dir="i")),
 119             Subsignal("id",  Pins("D23", dir="i")),
 120             Subsignal("int", PinsN("B24", dir="i")),
 121             Attrs(IO_TYPE="LVCMOS33")
 122         ),
 123         Resource("usbc_mux", 0,
 124             Subsignal("en",    Pins("C23", dir="oe")),
 125             Subsignal("amsel", Pins("B26", dir="oe")),
 126             Subsignal("pol",   Pins("D26", dir="o")),
 127             Subsignal("lna",   DiffPairs( "AF9", "AF10", dir="i"), Attrs(IO_TYPE="LVCMOS18D")),
 128             Subsignal("lnb",   DiffPairs("AD10", "AD11", dir="o"), Attrs(IO_TYPE="LVCMOS18D")),
 129             Subsignal("lnc",   DiffPairs( "AD7",  "AD8", dir="o"), Attrs(IO_TYPE="LVCMOS18D")),
 130             Subsignal("lnd",   DiffPairs( "AF6",  "AF7", dir="i"), Attrs(IO_TYPE="LVCMOS18D")),
 131             Attrs(IO_TYPE="LVCMOS33")
 132         ),
 133     ]
 134
 135     connectors  = [
 136         Connector("pmod", 0, "T25 U25 U24 V24 - - T26 U26 V26 W26 - -"),
 137         Connector("pmod", 1, "U23 V23 U22 V21 - - W25 W24 W23 W22 - -"),
 138         Connector("pmod", 2, "J24 H22 E21 D18 - - K22 J21 H21 D22 - -"),
 139         Connector("pmod", 3, " E4  F4  E6  H4 - -  F3  D4  D5  F5 - -"),
 140         Connector("pmod", 4, "E26 D25 F26 F25 - - A25 A24 C26 C25 - -"),
 141         Connector("pmod", 5, "D19 C21 B21 C22 - - D21 A21 A22 A23 - -"),
 142         Connector("pmod", 6, "C16 B17 C18 B19 - - A17 A18 A19 C19 - -"),
 143         Connector("pmod", 7, "D14 B14 E14 B16 - - C14 A14 A15 A16 - -"),
 144     ]
 145
 146     @property
 147     def file_templates(self):
 148         return {
 149             **super().file_templates,
 150             "{{name}}-openocd.cfg": r"""
 151             interface ftdi
 152             ftdi_vid_pid 0x0403 0x6010
 153             ftdi_channel 0
 154             ftdi_layout_init 0xfff8 0xfffb
 155             reset_config none
 156             adapter_khz 25000
 157
 158             jtag newtap ecp5 tap -irlen 8 -expected-id 0x81113043
 159             """
 160         }
 161
 162     def toolchain_program(self, products, name):
 163         openocd = os.environ.get("OPENOCD", "openocd")
 164         with products.extract("{}-openocd.cfg".format(name), "{}.svf".format(name)) \
 165                 as (config_filename, vector_filename):
 166             subprocess.check_call([openocd,
 167                 "-f", config_filename,
 168                 "-c", "transport select jtag; init; svf -quiet {}; exit".format(vector_filename)
 169             ])
 170
 171
 172 # if __name__ == "__main__":
 173 #     from .test.blinky import Blinky
 174 #     ECPIX5Platform().build(Blinky(), do_program=True)