amaranth/nmigen/vendor/board/icestick.py

from ...build import *
from ..fpga.lattice_ice40 import LatticeICE40Platform, IceStormProgrammerMixin


__all__ = ["ICEStickPlatform"]


class ICEStickPlatform(IceStormProgrammerMixin, LatticeICE40Platform):
    device     = "hx1k"
    package    = "tq144"
    clocks     = [
        ("clk12", 12e6),
    ]
    resources  = [
        Resource("clk12", 0, Pins("21", dir="i"),
                 extras={"GLOBAL": "1", "IO_STANDARD": "SB_LVCMOS33"}),

        Resource("user_led", 0, Pins("99", dir="o"), extras={"IO_STANDARD": "SB_LVCMOS33"}),
        Resource("user_led", 1, Pins("98", dir="o"), extras={"IO_STANDARD": "SB_LVCMOS33"}),
        Resource("user_led", 2, Pins("97", dir="o"), extras={"IO_STANDARD": "SB_LVCMOS33"}),
        Resource("user_led", 3, Pins("96", dir="o"), extras={"IO_STANDARD": "SB_LVCMOS33"}),
        Resource("user_led", 4, Pins("95", dir="o"), extras={"IO_STANDARD": "SB_LVCMOS33"}),

        Resource("serial", 0,
            Subsignal("rx",  Pins("9", dir="i")),
            Subsignal("tx",  Pins("8", dir="o")),
            Subsignal("rts", Pins("7", dir="o")),
            Subsignal("cts", Pins("4", dir="i")),
            Subsignal("dtr", Pins("3", dir="o")),
            Subsignal("dsr", Pins("2", dir="i")),
            Subsignal("dcd", Pins("1", dir="i")),
            extras={"IO_STANDARD": "SB_LVTTL", "PULLUP": "1"}
        ),

        Resource("irda", 0,
            Subsignal("rx", Pins("106", dir="i")),
            Subsignal("tx", Pins("105", dir="o")),
            Subsignal("sd", Pins("107", dir="o")),
            extras={"IO_STANDARD": "SB_LVCMOS33"}
        ),

        Resource("spiflash", 0,
            Subsignal("cs_n", Pins("71", dir="o")),
            Subsignal("clk",  Pins("70", dir="o")),
            Subsignal("mosi", Pins("67", dir="o")),
            Subsignal("miso", Pins("68", dir="i")),
            extras={"IO_STANDARD": "SB_LVCMOS33"}
        ),
    ]
    connectors = [
        Connector("pmod", 0, "78 79 80 81 - - 87 88 90 91 - -"),  # J2

        Connector("j", 1, "- - 112 113 114 115 116 117 118 119"), # J1
        Connector("j", 3, "- -  62  61  60  56  48  47  45  44"), # J3
    ]
    prog_mode  = "flash"