56 lines
1.9 KiB
Python
56 lines
1.9 KiB
Python
from ...build import *
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from ..fpga.lattice_ice40 import LatticeICE40Platform, TinyProgrammerMixin
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__all__ = ["TinyFPGABXPlatform"]
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class TinyFPGABXPlatform(TinyProgrammerMixin, LatticeICE40Platform):
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device = "lp8k"
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package = "cm81"
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clocks = [
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("clk16", 16e6),
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]
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resources = [
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Resource("clk16", 0, Pins("B2", dir="i"),
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extras={"IO_STANDARD": "SB_LVCMOS33"}),
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Resource("user_led", 0, Pins("B3", dir="o"), extras={"IO_STANDARD": "SB_LVCMOS33"}),
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Resource("usb", 0,
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Subsignal("d_p", Pins("B4", dir="io")),
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Subsignal("d_n", Pins("A4", dir="io")),
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Subsignal("pullup", Pins("A3", dir="o")),
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extras={"IO_STANDARD": "SB_LVCMOS33"}
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),
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Resource("spiflash", 0,
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Subsignal("cs_n", Pins("F7", dir="o")),
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Subsignal("clk", Pins("G7", dir="o")),
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Subsignal("mosi", Pins("G6", dir="o")),
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Subsignal("miso", Pins("H7", dir="i")),
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Subsignal("wp", Pins("H4", dir="o")),
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Subsignal("hold", Pins("J8", dir="o")),
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extras={"IO_STANDARD": "SB_LVCMOS33"}
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),
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Resource("spiflash4x", 0,
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Subsignal("cs_n", Pins("F7", dir="o")),
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Subsignal("clk", Pins("G7", dir="o")),
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Subsignal("dq", Pins("G6 H7 H4 J8", dir="io")),
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extras={"IO_STANDARD": "SB_LVCMOS33"}
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),
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]
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connectors = [
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Connector("gpio", 0,
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# Left side of the board
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# 1 2 3 4 5 6 7 8 9 10 11 12 13
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" A2 A1 B1 C2 C1 D2 D1 E2 E1 G2 H1 J1 H2"
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# Right side of the board
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# 14 15 16 17 18 19 20 21 22 23 24
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" H9 D9 D8 B8 A9 B8 A8 B7 A7 B6 A6"
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# Bottom of the board
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# 25 26 27 28 29 30 31
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"G1 J3 J4 G9 J9 E8 J2"),
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]
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