|
| 1 | +import os |
| 2 | +import subprocess |
| 3 | + |
| 4 | +from nmigen.build import * |
| 5 | +from nmigen.vendor.lattice_ecp5 import * |
| 6 | +from .resources import * |
| 7 | + |
| 8 | + |
| 9 | +__all__ = ["Colorlight_5A75B_R70Platform"] |
| 10 | + |
| 11 | + |
| 12 | +class Colorlight_5A75B_R70Platform(LatticeECP5Platform): |
| 13 | + device = "LFE5U-25F" |
| 14 | + package = "BG256" |
| 15 | + speed = "6" |
| 16 | + default_clk = "clk25" |
| 17 | + |
| 18 | + resources = [ |
| 19 | + Resource("clk25", 0, Pins("P6", dir="i"), Clock(25e6), Attrs(IO_TYPE="LVCMOS33")), |
| 20 | + |
| 21 | + *LEDResources(pins="P11", invert = True, |
| 22 | + attrs=Attrs(IO_TYPE="LVCMOS33", DRIVE="4")), |
| 23 | + |
| 24 | + *ButtonResources(pins="M13", invert = True, |
| 25 | + attrs=Attrs(IO_TYPE="LVCMOS33", PULLMODE="UP")), |
| 26 | + |
| 27 | + UARTResource(0, |
| 28 | + tx="P11", # led (J19 DATA_LED-) |
| 29 | + rx="M13", # btn (J19 KEY+) |
| 30 | + attrs=Attrs(IO_TYPE="LVCMOS33") |
| 31 | + ), |
| 32 | + |
| 33 | + # SPIFlash (W25Q32JV) 1x/2x/4x speed |
| 34 | + Resource("spi_flash", 0, |
| 35 | + Subsignal("cs", PinsN("N8", dir="o")), |
| 36 | + # Subsignal("clk", Pins("", dir="i")), # driven through USRMCLK |
| 37 | + Subsignal("cipo", Pins("T8", dir="i")), # Chip: DI/IO0 |
| 38 | + Subsignal("copi", Pins("T7", dir="o")), # DO/IO1 |
| 39 | + # Subsignal("wp", PinsN("unknown", dir="o")), # IO2 Todo |
| 40 | + # Subsignal("hold", PinsN("unknown", dir="o")), # IO3 Todo |
| 41 | + Attrs(IO_TYPE="LVCMOS33") |
| 42 | + ), |
| 43 | + |
| 44 | + # 2x ESMT M12L16161A-5T 1M x 16bit 200MHz SDRAMs (organized as 1M x 32bit) |
| 45 | + # 2x WinBond W9816G6JH-6 1M x 16bit 166MHz SDRAMs (organized as 1M x 32bit) are lso reported |
| 46 | + SDRAMResource(0, |
| 47 | + clk="C6", we_n="C7", cas_n="E7", ras_n="D7", |
| 48 | + ba="A7", a="A9 E10 B12 D13 C12 D11 D10 E9 D9 B7 C8", |
| 49 | + dq="B13 C11 C10 A11 C9 E8 B6 B9 A6 B5 A5 B4 B3 C3 A2 B2 " |
| 50 | + "E2 D3 A4 E4 D4 C4 E5 D5 E6 D6 D8 A8 B8 B10 B11 E11", |
| 51 | + attrs=Attrs(PULLMODE="NONE", DRIVE="4", SLEWRATE="FAST", IO_TYPE="LVCMOS33") |
| 52 | + ), |
| 53 | + |
| 54 | + # Broadcom B50612D Gigabit Ethernet Transceiver |
| 55 | + Resource("eth_rgmii", 0, |
| 56 | + Subsignal("rst", PinsN("P5", dir="o")), |
| 57 | + Subsignal("mdc", Pins("P3", dir="o")), |
| 58 | + Subsignal("mdio", Pins("T2", dir="io")), |
| 59 | + Subsignal("tx_clk", Pins("M2", dir="o")), |
| 60 | + Subsignal("tx_ctl", Pins("M3", dir="o")), |
| 61 | + Subsignal("tx_data", Pins("L1 L3 P2 L4", dir="o")), |
| 62 | + Subsignal("rx_clk", Pins("M1", dir="i")), |
| 63 | + Subsignal("rx_ctl", Pins("N6", dir="i")), |
| 64 | + Subsignal("rx_data", Pins("N1 M5 N5 M6", dir="i")), |
| 65 | + Attrs(IO_TYPE="LVCMOS33") |
| 66 | + ), |
| 67 | + |
| 68 | + # Broadcom B50612D Gigabit Ethernet Transceiver |
| 69 | + Resource("eth_rgmii", 1, |
| 70 | + Subsignal("rst", PinsN("P5", dir="o")), |
| 71 | + Subsignal("mdc", Pins("P3", dir="o")), |
| 72 | + Subsignal("mdio", Pins("T2", dir="io")), |
| 73 | + Subsignal("tx_clk", Pins("M12", dir="o")), |
| 74 | + Subsignal("tx_ctl", Pins("R15", dir="o")), |
| 75 | + Subsignal("tx_data", Pins("T14 R12 R13 R14", dir="o")), |
| 76 | + Subsignal("rx_clk", Pins("M16", dir="i")), |
| 77 | + Subsignal("rx_ctl", Pins("L15", dir="i")), |
| 78 | + Subsignal("rx_data", Pins("P13 N13 P14 M15", dir="i")), |
| 79 | + Attrs(IO_TYPE="LVCMOS33") |
| 80 | + ), |
| 81 | + |
| 82 | + ] |
| 83 | + connectors = [ |
| 84 | + Connector("j", 1, "F3 F1 G3 - G2 H3 H5 F15 L2 K1 J5 K2 B16 J14 F12 -"), |
| 85 | + Connector("j", 2, "J4 K3 G1 - K4 C2 E3 F15 L2 K1 J5 K2 B16 J14 F12 -"), |
| 86 | + Connector("j", 3, "H4 K5 P1 - R1 L5 F2 F15 L2 K1 J5 K2 B16 J14 F12 -"), |
| 87 | + Connector("j", 4, "P4 R2 M8 - M9 T6 R6 F15 L2 K1 J5 K2 B16 J14 F12 -"), |
| 88 | + Connector("j", 5, "M11 N11 P12 - K15 N12 L16 F15 L2 K1 J5 K2 B16 J14 F12 -"), |
| 89 | + Connector("j", 6, "K16 J15 J16 - J12 H15 G16 F15 L2 K1 J5 K2 B16 J14 F12 -"), |
| 90 | + Connector("j", 7, "H13 J13 H12 - G14 H14 G15 F15 L2 K1 J5 K2 B16 J14 F12 -"), |
| 91 | + Connector("j", 8, "A15 F16 A14 - E13 B14 A13 F15 L2 K1 J5 K2 B16 J14 F12 -"), |
| 92 | + Connector("j", 19, " - M13 - - P11"), |
| 93 | + ] |
| 94 | + |
| 95 | + @property |
| 96 | + def required_tools(self): |
| 97 | + return super().required_tools + [ |
| 98 | + "openFPGALoader" |
| 99 | + ] |
| 100 | + |
| 101 | + def toolchain_prepare(self, fragment, name, **kwargs): |
| 102 | + overrides = dict(ecppack_opts="--compress") |
| 103 | + overrides.update(kwargs) |
| 104 | + return super().toolchain_prepare(fragment, name, **overrides) |
| 105 | + |
| 106 | + def toolchain_program(self, products, name): |
| 107 | + tool = os.environ.get("OPENFPGALOADER", "openFPGALoader") |
| 108 | + with products.extract("{}.bit".format(name)) as bitstream_filename: |
| 109 | + subprocess.check_call([tool, "-c", "ft232", "-m", bitstream_filename]) |
| 110 | + |
| 111 | + |
| 112 | +if __name__ == "__main__": |
| 113 | + from .test.blinky import * |
| 114 | + Colorlight_5A75B_R70Platform().build(Blinky(), do_program=True) |
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