115 lines
4.8 KiB
Python
115 lines
4.8 KiB
Python
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import os
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import subprocess
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from amaranth.build import *
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from amaranth.vendor.lattice_ecp5 import *
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from .resources import *
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__all__ = ["Colorlight_5A75B_R70Platform"]
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class Colorlight_5A75B_R70Platform(LatticeECP5Platform):
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device = "LFE5U-25F"
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package = "BG256"
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speed = "6"
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default_clk = "clk25"
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resources = [
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Resource("clk25", 0, Pins("P6", dir="i"), Clock(25e6), Attrs(IO_TYPE="LVCMOS33")),
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*LEDResources(pins="P11", invert = True,
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attrs=Attrs(IO_TYPE="LVCMOS33", DRIVE="4")),
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*ButtonResources(pins="M13", invert = True,
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attrs=Attrs(IO_TYPE="LVCMOS33", PULLMODE="UP")),
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UARTResource(0,
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tx="P11", # led (J19 DATA_LED-)
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rx="M13", # btn (J19 KEY+)
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attrs=Attrs(IO_TYPE="LVCMOS33")
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),
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# SPIFlash (W25Q32JV) 1x/2x/4x speed
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Resource("spi_flash", 0,
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Subsignal("cs", PinsN("N8", dir="o")),
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# Subsignal("clk", Pins("", dir="i")), # driven through USRMCLK
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Subsignal("cipo", Pins("T8", dir="i")), # Chip: DI/IO0
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Subsignal("copi", Pins("T7", dir="o")), # DO/IO1
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# Subsignal("wp", PinsN("unknown", dir="o")), # IO2 Todo
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# Subsignal("hold", PinsN("unknown", dir="o")), # IO3 Todo
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Attrs(IO_TYPE="LVCMOS33")
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),
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# 2x ESMT M12L16161A-5T 1M x 16bit 200MHz SDRAMs (organized as 1M x 32bit)
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# 2x WinBond W9816G6JH-6 1M x 16bit 166MHz SDRAMs (organized as 1M x 32bit) are lso reported
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SDRAMResource(0,
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clk="C6", we_n="C7", cas_n="E7", ras_n="D7",
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ba="A7", a="A9 E10 B12 D13 C12 D11 D10 E9 D9 B7 C8",
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dq="B13 C11 C10 A11 C9 E8 B6 B9 A6 B5 A5 B4 B3 C3 A2 B2 "
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"E2 D3 A4 E4 D4 C4 E5 D5 E6 D6 D8 A8 B8 B10 B11 E11",
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attrs=Attrs(PULLMODE="NONE", DRIVE="4", SLEWRATE="FAST", IO_TYPE="LVCMOS33")
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),
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# Broadcom B50612D Gigabit Ethernet Transceiver
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Resource("eth_rgmii", 0,
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Subsignal("rst", PinsN("P5", dir="o")),
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Subsignal("mdc", Pins("P3", dir="o")),
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Subsignal("mdio", Pins("T2", dir="io")),
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Subsignal("tx_clk", Pins("M2", dir="o")),
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Subsignal("tx_ctl", Pins("M3", dir="o")),
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Subsignal("tx_data", Pins("L1 L3 P2 L4", dir="o")),
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Subsignal("rx_clk", Pins("M1", dir="i")),
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Subsignal("rx_ctl", Pins("N6", dir="i")),
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Subsignal("rx_data", Pins("N1 M5 N5 M6", dir="i")),
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Attrs(IO_TYPE="LVCMOS33")
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),
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# Broadcom B50612D Gigabit Ethernet Transceiver
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Resource("eth_rgmii", 1,
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Subsignal("rst", PinsN("P5", dir="o")),
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Subsignal("mdc", Pins("P3", dir="o")),
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Subsignal("mdio", Pins("T2", dir="io")),
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Subsignal("tx_clk", Pins("M12", dir="o")),
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Subsignal("tx_ctl", Pins("R15", dir="o")),
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Subsignal("tx_data", Pins("T14 R12 R13 R14", dir="o")),
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Subsignal("rx_clk", Pins("M16", dir="i")),
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Subsignal("rx_ctl", Pins("L15", dir="i")),
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Subsignal("rx_data", Pins("P13 N13 P14 M15", dir="i")),
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Attrs(IO_TYPE="LVCMOS33")
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),
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]
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connectors = [
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Connector("j", 1, "F3 F1 G3 - G2 H3 H5 F15 L2 K1 J5 K2 B16 J14 F12 -"),
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Connector("j", 2, "J4 K3 G1 - K4 C2 E3 F15 L2 K1 J5 K2 B16 J14 F12 -"),
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Connector("j", 3, "H4 K5 P1 - R1 L5 F2 F15 L2 K1 J5 K2 B16 J14 F12 -"),
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Connector("j", 4, "P4 R2 M8 - M9 T6 R6 F15 L2 K1 J5 K2 B16 J14 F12 -"),
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Connector("j", 5, "M11 N11 P12 - K15 N12 L16 F15 L2 K1 J5 K2 B16 J14 F12 -"),
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Connector("j", 6, "K16 J15 J16 - J12 H15 G16 F15 L2 K1 J5 K2 B16 J14 F12 -"),
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Connector("j", 7, "H13 J13 H12 - G14 H14 G15 F15 L2 K1 J5 K2 B16 J14 F12 -"),
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Connector("j", 8, "A15 F16 A14 - E13 B14 A13 F15 L2 K1 J5 K2 B16 J14 F12 -"),
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Connector("j", 19, " - M13 - - P11"),
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]
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@property
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def required_tools(self):
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return super().required_tools + [
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"openFPGALoader"
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]
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def toolchain_prepare(self, fragment, name, **kwargs):
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overrides = dict(ecppack_opts="--compress")
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overrides.update(kwargs)
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return super().toolchain_prepare(fragment, name, **overrides)
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def toolchain_program(self, products, name):
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tool = os.environ.get("OPENFPGALOADER", "openFPGALoader")
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with products.extract("{}.bit".format(name)) as bitstream_filename:
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subprocess.check_call([tool, "-c", "ft232", "-m", bitstream_filename])
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if __name__ == "__main__":
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from .test.blinky import *
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Colorlight_5A75B_R70Platform().build(Blinky(), do_program=True)
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