diff --git a/nmigen_boards/ecpix5.py b/nmigen_boards/ecpix5.py new file mode 100644 index 00000000..de28a355 --- /dev/null +++ b/nmigen_boards/ecpix5.py @@ -0,0 +1,230 @@ +import os +import subprocess + +from nmigen.build import * +from nmigen.vendor.lattice_ecp5 import * +from .resources import * + + +__all__ = ["ECPIX585Platform", "ECPIX545Platform"] + + +class _ECPIX5Platform(LatticeECP5Platform): + package = "BG554" + speed = "8" + default_clk = "clk100" + default_rst = "rst" + + resources = [ + Resource("rst", 0, PinsN("AB1", dir="i"), Attrs(IO_TYPE="LVCMOS33")), + Resource("clk100", 0, Pins("K23", dir="i"), Clock(100e6), Attrs(IO_TYPE="LVCMOS33")), + + RGBLEDResource(0, + r="T23", g="R21", b="T22", invert=True, + attrs=Attrs(IO_TYPE="LVCMOS33", PULLMODE="UP") + ), + RGBLEDResource(1, + r="U21", g="W21", b="T24", invert=True, + attrs=Attrs(IO_TYPE="LVCMOS33", PULLMODE="UP") + ), + RGBLEDResource(2, + r="K21", g="K24", b="M21", invert=True, + attrs=Attrs(IO_TYPE="LVCMOS33", PULLMODE="UP") + ), + RGBLEDResource(3, + r="P21", g="R23", b="P22", invert=True, + attrs=Attrs(IO_TYPE="LVCMOS33", PULLMODE="UP") + ), + + UARTResource(0, + rx="R26", tx="R24", + attrs=Attrs(IO_TYPE="LVCMOS33", PULLMODE="UP") + ), + + *SPIFlashResources(0, + cs="AA2", clk="AE3", miso="AE2", mosi="AD2", wp="AF2", hold="AE1", + attrs=Attrs(IO_TYPE="LVCMOS33") + ), + + Resource("eth_rgmii", 0, + Subsignal("rst", PinsN("C13", dir="o")), + Subsignal("mdio", Pins("A13", dir="io")), + Subsignal("mdc", Pins("C11", dir="o")), + Subsignal("tx_clk", Pins("A12", dir="o")), + Subsignal("tx_ctrl", Pins("C9", dir="o")), + Subsignal("tx_data", Pins("D8 C8 B8 A8", dir="o")), + Subsignal("rx_clk", Pins("E11", dir="i")), + Subsignal("rx_ctrl", Pins("A11", dir="i")), + Subsignal("rx_data", Pins("B11 A10 B10 A9", dir="i")), + Attrs(IO_TYPE="LVCMOS33") + ), + Resource("eth_int", 0, PinsN("B13", dir="i"), Attrs(IO_TYPE="LVCMOS33")), + + Resource("ddr3", 0, + Subsignal("clk", DiffPairs("H3", "J3", dir="o"), Attrs(IO_TYPE="SSTL135D_I")), + Subsignal("clk_en", Pins("P1", dir="o")), + Subsignal("we", PinsN("R3", dir="o")), + Subsignal("ras", PinsN("T3", dir="o")), + Subsignal("cas", PinsN("P2", dir="o")), + Subsignal("a", Pins("T5 M3 L3 V6 K2 W6 K3 L1 H2 L2 N1 J1 M1 K1", dir="o")), + Subsignal("ba", Pins("U6 N3 N4", dir="o")), + Subsignal("dqs", DiffPairs("V4 V1", "U5 U2", dir="io"), Attrs(IO_TYPE="SSTL135D_I")), + Subsignal("dq", Pins("T4 W4 R4 W5 R6 P6 P5 P4 R1 W3 T2 V3 U3 W1 T1 W2", dir="io")), + Subsignal("dm", Pins("U4 U1", dir="o")), + Subsignal("odt", Pins("P3", dir="o")), + Attrs(IO_TYPE="SSTL135_I") + ), + + Resource("sata", 0, + Subsignal("tx", DiffPairs("AD16", "AD17", dir="o")), + Subsignal("rx", DiffPairs("AF15", "AF16", dir="i")), + Attrs(IO_TYPE="LVDS") + ), + + Resource("ulpi", 0, + Subsignal("rst", Pins("E23", dir="o")), + Subsignal("clk", Pins("H24", dir="i")), + Subsignal("dir", Pins("F22", dir="i")), + Subsignal("nxt", Pins("F23", dir="i")), + Subsignal("stp", Pins("H23", dir="o")), + Subsignal("data", Pins("M26 L25 L26 K25 K26 J23 P25 H25", dir="io")), + Attrs(IO_TYPE="LVCMOS33") + ), + + Resource("usbc_cfg", 0, + Subsignal("scl", Pins("D24", dir="io")), + Subsignal("sda", Pins("C24", dir="io")), + Subsignal("dir", Pins("B23", dir="i")), + Subsignal("id", Pins("D23", dir="i")), + Subsignal("int", PinsN("B24", dir="i")), + Attrs(IO_TYPE="LVCMOS33") + ), + Resource("usbc_mux", 0, + Subsignal("en", Pins("C23", dir="oe")), + Subsignal("amsel", Pins("B26", dir="oe")), + Subsignal("pol", Pins("D26", dir="o")), + Subsignal("lna", DiffPairs( "AF9", "AF10", dir="i"), Attrs(IO_TYPE="LVCMOS18D")), + Subsignal("lnb", DiffPairs("AD10", "AD11", dir="o"), Attrs(IO_TYPE="LVCMOS18D")), + Subsignal("lnc", DiffPairs( "AD7", "AD8", dir="o"), Attrs(IO_TYPE="LVCMOS18D")), + Subsignal("lnd", DiffPairs( "AF6", "AF7", dir="i"), Attrs(IO_TYPE="LVCMOS18D")), + Attrs(IO_TYPE="LVCMOS33") + ), + ] + + connectors = [ + Connector("pmod", 0, "T25 U25 U24 V24 - - T26 U26 V26 W26 - -"), + Connector("pmod", 1, "U23 V23 U22 V21 - - W25 W24 W23 W22 - -"), + Connector("pmod", 2, "J24 H22 E21 D18 - - K22 J21 H21 D22 - -"), + Connector("pmod", 3, " E4 F4 E6 H4 - - F3 D4 D5 F5 - -"), + Connector("pmod", 4, "E26 D25 F26 F25 - - A25 A24 C26 C25 - -"), + Connector("pmod", 5, "D19 C21 B21 C22 - - D21 A21 A22 A23 - -"), + Connector("pmod", 6, "C16 B17 C18 B19 - - A17 A18 A19 C19 - -"), + Connector("pmod", 7, "D14 B14 E14 B16 - - C14 A14 A15 A16 - -"), + ] + + @property + def file_templates(self): + return { + **super().file_templates, + "{{name}}-openocd.cfg": r""" + interface ftdi + ftdi_vid_pid 0x0403 0x6010 + ftdi_channel 0 + ftdi_layout_init 0xfff8 0xfffb + reset_config none + adapter_khz 25000 + + {% if "85F" in platform.device -%} + jtag newtap ecp5 tap -irlen 8 -expected-id 0x81113043 ; # LF5UM5G-85F + {% else -%} + jtag newtap ecp5 tap -irlen 8 -expected-id 0x81112043 ; # LF5UM5G-45F + {% endif %} + """ + } + + def toolchain_program(self, products, name): + openocd = os.environ.get("OPENOCD", "openocd") + with products.extract("{}-openocd.cfg".format(name), "{}.svf".format(name)) \ + as (config_filename, vector_filename): + subprocess.check_call([openocd, + "-f", config_filename, + "-c", "transport select jtag; init; svf -quiet {}; exit".format(vector_filename) + ]) + + +class ECPIX545Platform(_ECPIX5Platform): + device = "LFE5UM5G-45F" + + resources = [ + *_ECPIX5Platform.resources, + + # The IT6613E HDMI transmitter has access to 8 bits per color channel. + Resource("it6613e", 0, + Subsignal("rst", PinsN("N6", dir="o")), + Subsignal("scl", Pins("C17", dir="io")), + Subsignal("sda", Pins("E17", dir="io")), + Subsignal("pclk", Pins("C1", dir="o")), + Subsignal("vsync", Pins("A4", dir="o")), + Subsignal("hsync", Pins("B4", dir="o")), + Subsignal("de", Pins("A3", dir="o")), + Subsignal("d", + Subsignal("b", Pins(" B3 C3 D3 B1 C2 D2 D1 E3", dir="o")), + Subsignal("g", Pins(" E1 F2 F1 D17 D16 E16 J6 H6", dir="o")), + Subsignal("r", Pins("E10 D11 D10 C10 D9 E8 H5 J4", dir="o")), + ), + Subsignal("mclk", Pins("E19", dir="o")), + Subsignal("sck", Pins("D6", dir="o")), + Subsignal("ws", Pins("C6", dir="o")), + Subsignal("i2s", Pins("A6 B6 A5 C5", dir="o")), + Subsignal("int", PinsN("C4", dir="i")), + Attrs(IO_TYPE="LVTTL33") + ), + ] + + +class ECPIX585Platform(_ECPIX5Platform): + device = "LFE5UM5G-85F" + + resources = [ + *_ECPIX5Platform.resources, + + # The IT6613E HDMI transmitter has access to 12 bits per color channel. The LFE5UM5G-85F + # has an additional I/O bank which is used to provide the lower 4 bits of each channel. + Resource("it6613e", 0, + Subsignal("rst", PinsN("N6", dir="o")), + Subsignal("scl", Pins("C17", dir="io")), + Subsignal("sda", Pins("E17", dir="io")), + Subsignal("pclk", Pins("C1", dir="o")), + Subsignal("vsync", Pins("A4", dir="o")), + Subsignal("hsync", Pins("B4", dir="o")), + Subsignal("de", Pins("A3", dir="o")), + Subsignal("d", + Subsignal("b", Pins("AD25 AC26 AB24 AB25 B3 C3 D3 B1 C2 D2 D1 E3", dir="o")), + Subsignal("g", Pins("AA23 AA22 AA24 AA25 E1 F2 F1 D17 D16 E16 J6 H6", dir="o")), + Subsignal("r", Pins("AD26 AE25 AF25 AE26 E10 D11 D10 C10 D9 E8 H5 J4", dir="o")), + ), + Subsignal("mclk", Pins("E19", dir="o")), + Subsignal("sck", Pins("D6", dir="o")), + Subsignal("ws", Pins("C6", dir="o")), + Subsignal("i2s", Pins("A6 B6 A5 C5", dir="o")), + Subsignal("int", PinsN("C4", dir="i")), + Attrs(IO_TYPE="LVTTL33") + ), + ] + + +if __name__ == "__main__": + import argparse + from .test.blinky import Blinky + + parser = argparse.ArgumentParser() + parser.add_argument("--variant", choices=("85", "45"), default="85", + help="platform variant (default: %(default)s)") + + args = parser.parse_args() + if args.variant == "85": + platform = ECPIX585Platform() + else: + platform = ECPIX545Platform() + + platform.build(Blinky(), do_program=True)