69 lines
2.4 KiB
Python
69 lines
2.4 KiB
Python
import os
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import subprocess
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from amaranth.build import *
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from amaranth.vendor.lattice_ice40 import *
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from .resources import *
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__all__ = ["ICE40HX8KBEVNPlatform"]
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class ICE40HX8KBEVNPlatform(LatticeICE40Platform):
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device = "iCE40HX8K"
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package = "CT256"
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default_clk = "clk12"
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resources = [
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Resource("clk12", 0, Pins("J3", dir="i"),
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Clock(12e6), Attrs(GLOBAL=True, IO_STANDARD="SB_LVCMOS")),
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*LEDResources(
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pins="C3 B3 C4 C5 A1 A2 B4 B5",
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attrs=Attrs(IO_STANDARD="SB_LVCMOS")
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), # D2..D9
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UARTResource(0,
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rx="B10", tx="B12", rts="B13", cts="A15", dtr="A16", dsr="B14", dcd="B15",
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attrs=Attrs(IO_STANDARD="SB_LVCMOS", PULLUP=1),
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role="dce"
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),
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*SPIFlashResources(0,
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cs_n="R12", clk="R11", copi="P12", cipo="P11",
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attrs=Attrs(IO_STANDARD="SB_LVCMOS")
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),
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]
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connectors = [
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Connector("j", 1, # J1
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"A16 - A15 B15 B13 B14 - - B12 B11 "
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"A11 B10 A10 C9 - - A9 B9 B8 A7 "
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"B7 C7 - - A6 C6 B6 C5 A5 C4 "
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"- - B5 C3 B4 B3 A2 A1 - - "),
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Connector("j", 2, # J2
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"- - - R15 P16 P15 - - N16 M15 "
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"M16 L16 K15 K16 - - K14 J14 G14 F14 "
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"J15 H14 - - H16 G15 G16 F15 F16 E14 "
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"- - E16 D15 D16 D14 C16 B16 - - "),
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Connector("j", 3, # J3
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"R16 - T15 T16 T13 T14 - - N12 P13 "
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"N10 M11 T11 P10 - - T10 R10 P8 P9 "
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"T9 R9 - - T7 T8 T6 R6 T5 R5 "
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"- - R3 R4 R2 T3 T1 T2 - - "),
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Connector("j", 4, # J4
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"- - - R1 P1 P2 - - N3 N2 "
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"M2 M1 L3 L1 - - K3 K1 J2 J1 "
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"H2 J3 - - G2 H1 F2 G1 E2 F1 "
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"- - D1 D2 C1 C2 B1 B2 - - "),
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]
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def toolchain_program(self, products, name):
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iceprog = os.environ.get("ICEPROG", "iceprog")
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with products.extract("{}.bin".format(name)) as bitstream_filename:
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# TODO: this should be factored out and made customizable
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subprocess.check_call([iceprog, "-S", bitstream_filename])
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if __name__ == "__main__":
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from .test.blinky import *
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ICE40HX8KBEVNPlatform().build(Blinky(), do_program=True)
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