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"),
  22                  Clock(100e6), Attrs(IO_TYPE="LVCMOS33")),
  23
  24         RGBLEDResource(0, r="U21", g="W21", b="T24",
  25                        attrs=Attrs(IO_TYPE="LVCMOS33")),
  26         RGBLEDResource(1, r="T23", g="R21", b="T22",
  27                        attrs=Attrs(IO_TYPE="LVCMOS33")),
  28         RGBLEDResource(2, r="P21", g="R23", b="P22",
  29                        attrs=Attrs(IO_TYPE="LVCMOS33")),
  30         RGBLEDResource(3, r="K21", g="K24", b="M21",
  31                        attrs=Attrs(IO_TYPE="LVCMOS33")),
  32
  33         UARTResource(0,
  34                      rx="R26", tx="R24",
  35                      attrs=Attrs(IO_TYPE="LVCMOS33", PULLMODE="UP")
  36                      ),
  37
  38         *SPIFlashResources(0,
  39                            cs="AA2", clk="AE3", miso="AE2", mosi="AD2", wp="AF2", hold="AE1",
  40                            attrs=Attrs(IO_TYPE="LVCMOS33")
  41                            ),
  42
  43         Resource("eth_rgmii", 0,
  44                  Subsignal("rst",     PinsN("C13", dir="o")),
  45                  Subsignal("mdio",    Pins("A13", dir="io")),
  46                  Subsignal("mdc",     Pins("C11", dir="o")),
  47                  Subsignal("tx_clk",  Pins("A12", dir="o")),
  48                  Subsignal("tx_ctrl", Pins("C9", dir="o")),
  49                  Subsignal("tx_data", Pins("D8 C8 B8 A8", dir="o")),
  50                  Subsignal("rx_clk",  Pins("E11", dir="i")),
  51                  Subsignal("rx_ctrl", Pins("A11", dir="i")),
  52                  Subsignal("rx_data", Pins("B11 A10 B10 A9", dir="i")),
  53                  Attrs(IO_TYPE="LVCMOS33")
  54                  ),
  55         Resource("eth_int", 0, PinsN("B13", dir="i"),
  56                  Attrs(IO_TYPE="LVCMOS33")),
  57
  58         *SDCardResources(0,
  59                          clk="P24", cmd="M24", dat0="N26", dat1="N25", dat2="N23", dat3="N21", cd="L22",
  60                          # TODO
  61                          # clk_fb="P25", cmd_dir="M23", dat0_dir="N24", dat123_dir="P26",
  62                          attrs=Attrs(IO_TYPE="LVCMOS33"),
  63                          ),
  64
  65         # ERROR: cannot place differential IO at location PIOB
  66         # if we choose to use DiffPairs
  67         Resource("ddr3", 0,
  68                  Subsignal("clk",    Pins("H3", dir="o")),
  69                  #Subsignal("clk",    DiffPairs("H3", "J3", dir="o"), Attrs(IO_TYPE="SSTL135D_I")),
  70                  Subsignal("cke", Pins("P1", dir="o")),
  71                  Subsignal("we_n",     Pins("R3", dir="o")),
  72                  Subsignal("ras_n",    Pins("T3", dir="o")),
  73                  Subsignal("cas_n",    Pins("P2", dir="o")),
  74                  Subsignal("a",      Pins(
  75                      "T5 M3 L3 V6 K2 W6 K3 L1 H2 L2 N1 J1 M1 K1", dir="o")),
  76                  Subsignal("ba",     Pins("U6 N3 N4", dir="o")),
  77                  #Subsignal("dqs",    DiffPairs("V4 V1", "U5 U2", dir="io"), Attrs(IO_TYPE="SSTL135D_I")),
  78                  Subsignal("dqs",    Pins("V4 V1", dir="io"), Attrs(
  79                      IO_TYPE="SSTL135D_I", TERMINATION="OFF", DIFFRESISTOR="100")),
  80                  Subsignal("dq",     Pins(
  81                      "T4 W4 R4 W5 R6 P6 P5 P4 R1 W3 T2 V3 U3 W1 T1 W2", dir="io")),
  82                  Subsignal("dm",     Pins("J4 H5", dir="o")),
  83                  Subsignal("odt",    Pins("P3", dir="o")),
  84                  Attrs(IO_TYPE="SSTL135_I")
  85                  ),
  86
  87         Resource("hdmi", 0,
  88                  Subsignal("rst",   PinsN("N6", dir="o")),
  89                  Subsignal("scl",   Pins("C17", dir="io")),
  90                  Subsignal("sda",   Pins("E17", dir="io")),
  91                  Subsignal("pclk",  Pins("C1", dir="o")),
  92                  Subsignal("vsync", Pins("A4", dir="o")),
  93                  Subsignal("hsync", Pins("B4", dir="o")),
  94                  Subsignal("de",    Pins("A3", dir="o")),
  95                  Subsignal("d",
  96                            Subsignal(
  97                                "b", Pins("AD25 AC26 AB24 AB25  B3  C3  D3  B1  C2  D2 D1 E3", dir="o")),
  98                            Subsignal(
  99                                "g", Pins("AA23 AA22 AA24 AA25  E1  F2  F1 D17 D16 E16 J6 H6", dir="o")),
 100                            Subsignal(
 101                                "r", Pins("AD26 AE25 AF25 AE26 E10 D11 D10 C10  D9  E8 H5 J4", dir="o")),
 102                            ),
 103                  Subsignal("mclk",  Pins("E19", dir="o")),
 104                  Subsignal("sck",   Pins("D6", dir="o")),
 105                  Subsignal("ws",    Pins("C6", dir="o")),
 106                  Subsignal("i2s",   Pins("A6 B6 A5 C5", dir="o")),
 107                  Subsignal("int",   PinsN("C4", dir="i")),
 108                  Attrs(IO_TYPE="LVTTL33")
 109                  ),
 110
 111         Resource("sata", 0,
 112                  Subsignal("tx", DiffPairs("AD16", "AD17", dir="o")),
 113                  Subsignal("rx", DiffPairs("AF15", "AF16", dir="i")),
 114                  Attrs(IO_TYPE="LVDS")
 115                  ),
 116
 117         Resource("ulpi", 0,
 118                  Subsignal("rst",  Pins("E23", dir="o")),
 119                  Subsignal("clk",  Pins("H24", dir="i")),
 120                  Subsignal("dir",  Pins("F22", dir="i")),
 121                  Subsignal("nxt",  Pins("F23", dir="i")),
 122                  Subsignal("stp",  Pins("H23", dir="o")),
 123                  Subsignal("data", Pins(
 124                      "M26 L25 L26 K25 K26 J23 J26 H25", dir="io")),
 125                  Attrs(IO_TYPE="LVCMOS33")
 126                  ),
 127
 128         Resource("usbc_cfg", 0,
 129                  Subsignal("scl", Pins("D24", dir="io")),
 130                  Subsignal("sda", Pins("C24", dir="io")),
 131                  Subsignal("dir", Pins("B23", dir="i")),
 132                  Subsignal("id",  Pins("D23", dir="i")),
 133                  Subsignal("int", PinsN("B24", dir="i")),
 134                  Attrs(IO_TYPE="LVCMOS33")
 135                  ),
 136         Resource("usbc_mux", 0,
 137                  Subsignal("en",    Pins("C23", dir="oe")),
 138                  Subsignal("amsel", Pins("B26", dir="oe")),
 139                  Subsignal("pol",   Pins("D26", dir="o")),
 140                  Subsignal("lna",   DiffPairs("AF9", "AF10", dir="i"),
 141                            Attrs(IO_TYPE="LVCMOS18D")),
 142                  Subsignal("lnb",   DiffPairs("AD10", "AD11",
 143                                               dir="o"), Attrs(IO_TYPE="LVCMOS18D")),
 144                  Subsignal("lnc",   DiffPairs("AD7",  "AD8", dir="o"),
 145                            Attrs(IO_TYPE="LVCMOS18D")),
 146                  Subsignal("lnd",   DiffPairs("AF6",  "AF7", dir="i"),
 147                            Attrs(IO_TYPE="LVCMOS18D")),
 148                  Attrs(IO_TYPE="LVCMOS33")
 149                  ),
 150     ]
 151
 152     connectors = [
 153         Connector("pmod", 0, "T25 U25 U24 V24 - - T26 U26 V26 W26 - -"),
 154         Connector("pmod", 1, "U23 V23 U22 V21 - - W25 W24 W23 W22 - -"),
 155         Connector("pmod", 2, "J24 H22 E21 D18 - - K22 J21 H21 D22 - -"),
 156         Connector("pmod", 3, " E4  F4  E6  H4 - -  F3  D4  D5  F5 - -"),
 157         Connector("pmod", 4, "E26 D25 F26 F25 - - A25 A24 C26 C25 - -"),
 158         Connector("pmod", 5, "D19 C21 B21 C22 - - D21 A21 A22 A23 - -"),
 159         Connector("pmod", 6, "C16 B17 C18 B19 - - A17 A18 A19 C19 - -"),
 160         Connector("pmod", 7, "D14 B14 E14 B16 - - C14 A14 A15 A16 - -"),
 161     ]
 162
 163     @property
 164     def file_templates(self):
 165         return {
 166             **super().file_templates,
 167             "{{name}}-openocd.cfg": r"""
 168             interface ftdi
 169             ftdi_vid_pid 0x0403 0x6010
 170             ftdi_channel 0
 171             ftdi_layout_init 0xfff8 0xfffb
 172             reset_config none
 173             adapter_khz 25000
 174
 175             jtag newtap ecp5 tap -irlen 8 -expected-id 0x81113043
 176             """
 177         }
 178
 179     def toolchain_program(self, products, name):
 180         openocd = os.environ.get("OPENOCD", "openocd")
 181         with products.extract("{}-openocd.cfg".format(name), "{}.svf".format(name)) \
 182                 as (config_filename, vector_filename):
 183             subprocess.check_call([openocd,
 184                                    "-f", config_filename,
 185                                    "-c", "transport select jtag; init; svf -quiet {}; exit".format(
 186                                        vector_filename)
 187                                    ])
 188
 189
 190 # if __name__ == "__main__":
 191 #     from .test.blinky import Blinky
 192 #     ECPIX5Platform().build(Blinky(), do_program=True)