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from migen.build.generic_platform import *
from migen.build.lattice import LatticePlatform
from migen.build.lattice.programmer import IceStormProgrammer
_io = [
("user_led", 0, Pins("99"), IOStandard("LVCMOS33")),
("user_led", 1, Pins("98"), IOStandard("LVCMOS33")),
("user_led", 2, Pins("97"), IOStandard("LVCMOS33")),
("user_led", 3, Pins("96"), IOStandard("LVCMOS33")),
("user_led", 4, Pins("95"), IOStandard("LVCMOS33")),
("serial", 0,
Subsignal("rx", Pins("9")),
Subsignal("tx", Pins("8"), Misc("PULLUP")),
Subsignal("rts", Pins("7"), Misc("PULLUP")),
Subsignal("cts", Pins("4"), Misc("PULLUP")),
Subsignal("dtr", Pins("3"), Misc("PULLUP")),
Subsignal("dsr", Pins("2"), Misc("PULLUP")),
Subsignal("dcd", Pins("1"), Misc("PULLUP")),
IOStandard("LVTTL"),
),
("irda", 0,
Subsignal("rx", Pins("106")),
Subsignal("tx", Pins("105")),
Subsignal("sd", Pins("107")),
IOStandard("LVCMOS33")
),
("spiflash", 0,
Subsignal("cs_n", Pins("71"), IOStandard("LVCMOS33")),
Subsignal("clk", Pins("70"), IOStandard("LVCMOS33")),
Subsignal("mosi", Pins("67"), IOStandard("LVCMOS33")),
Subsignal("miso", Pins("68"), IOStandard("LVCMOS33"))
),
("clk12", 0, Pins("21"), IOStandard("LVCMOS33"))
]
_connectors = [
("GPIO0", "44 45 47 48 56 60 61 62"),
("GPIO1", "119 118 117 116 115 114 113 112"),
("PMOD", "78 79 80 81 87 88 90 91")
]
class Platform(LatticePlatform):
default_clk_name = "clk12"
default_clk_period = 83.333
def __init__(self):
LatticePlatform.__init__(self, "ice40-hx1k-tq144", _io, _connectors,
toolchain="icestorm")
def create_programmer(self):
return IceStormProgrammer()