import subprocess import textwrap from amaranth.build import * from amaranth.vendor.xilinx_spartan_3_6 import * from .resources import * __all__ = ["AtlysPlatform"] class AtlysPlatform(XilinxSpartan6Platform): """Platform file for Digilent Atlys Spartan 6 board. https://reference.digilentinc.com/reference/programmable-logic/atlys/start""" device = "xc6slx45" package = "csg324" speed = "3" def __init__(self, *, JP12="2V5", **kwargs): super().__init__(**kwargs) assert JP12 in ["2V5", "3V3"] self._JP12 = JP12 def bank2_iostandard(self): return "LVCMOS25" if self._JP12 == "2V5" else "LVCMOS33" default_clk = "clk100" default_rst = "rst" resources = [ Resource("rst", 0, PinsN("T15", dir="i"), Attrs(IOSTANDARD=bank2_iostandard)), # RESET Resource("clk100", 0, Pins("L15", dir="i"), Clock(100e6), Attrs(IOSTANDARD="LVCMOS33")), # GCLK Resource("led", 0, Pins("U18", dir="o"), Attrs(IOSTANDARD="LVCMOS33")), # LD0 Resource("led", 1, Pins("M14", dir="o"), Attrs(IOSTANDARD="LVCMOS33")), # LD1 Resource("led", 2, Pins("N14", dir="o"), Attrs(IOSTANDARD="LVCMOS33")), # LD2 Resource("led", 3, Pins("L14", dir="o"), Attrs(IOSTANDARD="LVCMOS33")), # LD3 Resource("led", 4, Pins("M13", dir="o"), Attrs(IOSTANDARD="LVCMOS33")), # LD4 Resource("led", 5, Pins("D4", dir="o"), Attrs(IOSTANDARD="LVCMOS33")), # LD5 Resource("led", 6, Pins("P16", dir="o"), Attrs(IOSTANDARD="LVCMOS33")), # LD6 Resource("led", 7, Pins("N12", dir="o"), Attrs(IOSTANDARD=bank2_iostandard)), # LD7 Resource("button", 0, Pins("N4", dir="i"), Attrs(IOSTANDARD="LVCMOS18")), # BTNU Resource("button", 1, Pins("P4", dir="i"), Attrs(IOSTANDARD="LVCMOS18")), # BTNL Resource("button", 2, Pins("P3", dir="i"), Attrs(IOSTANDARD="LVCMOS18")), # BTND Resource("button", 3, Pins("F6", dir="i"), Attrs(IOSTANDARD="LVCMOS18")), # BTNR Resource("button", 4, Pins("F5", dir="i"), Attrs(IOSTANDARD="LVCMOS18")), # BTNC Resource("switch", 0, Pins("A10", dir="i"), Attrs(IOSTANDARD="LVCMOS33")), # SW0 Resource("switch", 1, Pins("D14", dir="i"), Attrs(IOSTANDARD="LVCMOS33")), # SW1 Resource("switch", 2, Pins("C14", dir="i"), Attrs(IOSTANDARD="LVCMOS33")), # SW2 Resource("switch", 3, Pins("P15", dir="i"), Attrs(IOSTANDARD="LVCMOS33")), # SW3 Resource("switch", 4, Pins("P12", dir="i"), Attrs(IOSTANDARD=bank2_iostandard)), # SW4 Resource("switch", 5, Pins("R5", dir="i"), Attrs(IOSTANDARD=bank2_iostandard)), # SW5 Resource("switch", 6, Pins("T5", dir="i"), Attrs(IOSTANDARD=bank2_iostandard)), # SW6 Resource("switch", 7, Pins("E4", dir="i"), Attrs(IOSTANDARD="LVCMOS18")), # SW7 UARTResource(0, rx="A16", tx="B16", attrs=Attrs(IOSTANDARD="LVCMOS33")), # J17/UART PS2Resource(0, # PS/2 keyboard interface converted from J13 "HOST" USB connector clk="P17", dat="N15", attrs=Attrs(IOSTANDARD="LVCMOS33")), PS2Resource(1, # PS/2 mouse interface converted from J13 "HOST" USB connector clk="N18", dat="P18", attrs=Attrs(IOSTANDARD="LVCMOS33")), *SPIFlashResources(0, cs_n="AE14", clk="AH18", copi="AF14", cipo="AF20", wp_n="AG21", hold_n="AG17", attrs=Attrs(IOSTANDARD="LVCMOS25", SLEW="FAST"), ), Resource("ddr2", 0, Subsignal("clk", DiffPairs("G3", "G1", dir="o"), Attrs(IOSTANDARD="DIFF_SSTL18_II", IN_TERM="NONE")), Subsignal("clk_en", Pins("H7", dir="o")), Subsignal("we", PinsN("E3", dir="o")), Subsignal("ras", PinsN("L5", dir="o")), Subsignal("cas", PinsN("K5", dir="o")), Subsignal("a", Pins("J7 J6 H5 L7 F3 H4 H3 H6 D2 D1 F4 D3 G6", dir="o")), Subsignal("ba", Pins("F2 F1 E1", dir="o")), Subsignal("dqs", DiffPairs("P2 L4", "P1 L3", dir="o"), Attrs(IOSTANDARD="DIFF_SSTL18_II")), Subsignal("dq", Pins("L2 L1 K2 K1 H2 H1 J3 J1 M3 M1 N2 N1 T2 T1 U2 U1", dir="io")), Subsignal("dm", Pins("K4 K3", dir="o")), Subsignal("odt", Pins("K6", dir="o")), Attrs(IOSTANDARD="SSTL18_II", SLEW="FAST"), ), Resource("eth_gmii", 0, Subsignal("rst", PinsN("G13", dir="o")), Subsignal("int", PinsN("L16", dir="o")), Subsignal("mdio", Pins("N17", dir="io")), Subsignal("mdc", Pins("F16", dir="o")), # Max 8.3MHz Subsignal("gtx_clk", Pins("L12", dir="o")), Subsignal("tx_clk", Pins("K16", dir="i")), Subsignal("tx_en", Pins("H15", dir="o")), Subsignal("tx_er", Pins("G18", dir="o")), Subsignal("tx_data", Pins("H16 H13 K14 K13 J13 G14 H12 K12", dir="o")), Subsignal("rx_clk", Pins("K15", dir="i")), Subsignal("rx_dv", Pins("F17", dir="i"), Attrs(PULLDOWN="TRUE")), Subsignal("rx_er", Pins("F18", dir="i")), Subsignal("rx_data", Pins("G16 H14 E16 F15 F14 E18 D16 D17", dir="i")), Subsignal("col", Pins("C17", dir="i")), Subsignal("crs", Pins("C18", dir="i")), Attrs(IOSTANDARD="LVCMOS33") ), Resource("eth_rgmii", 0, Subsignal("rst", PinsN("G13", dir="o")), Subsignal("int", PinsN("L16", dir="o")), Subsignal("mdio", Pins("N17", dir="io")), Subsignal("mdc", Pins("F16", dir="o")), # Max 8.3MHz Subsignal("tx_clk", Pins("L12", dir="o")), Subsignal("tx_ctl", Pins("H15", dir="o")), Subsignal("tx_data", Pins("H16 H13 K14 K13", dir="o")), Subsignal("rx_clk", Pins("K15", dir="i")), Subsignal("rx_ctl", Pins("F17", dir="i"), Attrs(PULLDOWN="TRUE")), Subsignal("rx_data", Pins("G16 H14 E16 F15", dir="i")), Attrs(IOSTANDARD="LVCMOS33") ), Resource("eth_mii", 0, Subsignal("rst", PinsN("G13", dir="o")), Subsignal("int", PinsN("L16", dir="o")), Subsignal("mdio", Pins("N17", dir="io")), Subsignal("mdc", Pins("F16", dir="o")), # Max 8.3MHz Subsignal("tx_clk", Pins("K16", dir="i")), Subsignal("tx_en", Pins("H15", dir="o")), Subsignal("tx_er", Pins("G18", dir="o")), Subsignal("tx_data", Pins("H16 H13 K14 K13", dir="o")), Subsignal("rx_clk", Pins("K15", dir="i")), Subsignal("rx_dv", Pins("F17", dir="i"), Attrs(PULLDOWN="TRUE")), Subsignal("rx_er", Pins("F18", dir="i")), Subsignal("rx_data", Pins("G16 H14 E16 F15", dir="i")), Subsignal("col", Pins("C17", dir="i")), Subsignal("crs", Pins("C18", dir="i")), Attrs(IOSTANDARD="LVCMOS33") ), # Device does not support RMII Resource("eth_tbi", 0, Subsignal("rst", PinsN("G13", dir="o")), Subsignal("int", PinsN("L16", dir="o")), Subsignal("mdio", Pins("N17", dir="io")), Subsignal("mdc", Pins("F16", dir="o")), # Max 8.3MHz Subsignal("tx_clk", Pins("L12", dir="o")), Subsignal("tx_data", Pins("H16 H13 K14 K13 J13 G14 H12 K12 H15 G18", dir="o")), Subsignal("rx_clk", Pins("K15 L12", dir="i")), Subsignal("rx_data", Pins("G16 H14 E16 F15 F14 E18 D16 D17 F17 F18", dir="i")), Subsignal("lpbk", Pins("C17", dir="o"), Attrs(PULLDOWN="TRUE")), Subsignal("comma", Pins("C18", dir="i")), Attrs(IOSTANDARD="LVCMOS33") ), Resource("eth_rtbi", 0, Subsignal("rst", PinsN("G13", dir="o")), Subsignal("int", PinsN("L16", dir="o")), Subsignal("mdio", Pins("N17", dir="io")), Subsignal("mdc", Pins("F16", dir="o")), # Max 8.3MHz Subsignal("tx_clk", Pins("L12", dir="o")), Subsignal("tx_data", Pins("H16 H13 K14 K13 H15", dir="o")), Subsignal("rx_clk", Pins("K15", dir="i")), Subsignal("rx_data", Pins("G16 H14 E16 F15 F17", dir="i")), Attrs(IOSTANDARD="LVCMOS33") ), Resource("hdmi", 0, # J1, input only due to on board buffer, HDMI A connector Subsignal("scl", Pins("C13"), Attrs(IOSTANDARD="I2C")), Subsignal("sda", Pins("A13"), Attrs(IOSTANDARD="I2C")), Subsignal("clk", DiffPairs("D11", "C11", dir="i")), Subsignal("d", DiffPairs("G9 B11 B12", "F9 A11 A12", dir="i")), Attrs(IOSTANDARD="TMDS_33"), ), Resource("hdmi", 1, # J2, output only due to on board buffer, HDMI A connector Subsignal("scl", Pins("D9"), Attrs(IOSTANDARD="I2C")), Subsignal("sda", Pins("C9"), Attrs(IOSTANDARD="I2C")), Subsignal("clk", DiffPairs("B6", "A6", dir="o")), Subsignal("d", DiffPairs("D8 C7 B8", "C8 A7 A8", dir="o")), Attrs(IOSTANDARD="TMDS_33"), ), Resource("hdmi", 2, # J3, input only due to on board buffer, HDMI A connector Subsignal("scl", Pins("M16"), Attrs(IOSTANDARD="I2C")), Subsignal("sda", Pins("M18"), Attrs(IOSTANDARD="I2C")), Subsignal("clk", DiffPairs("H17", "H18", dir="i")), Subsignal("d", DiffPairs("K17 L17 J16", "K18 L18 J18", dir="i")), Attrs(IOSTANDARD="TMDS_33"), ), Resource("hdmi", 3, # JA, input/output as it is unbuffered, HDMI D connector Subsignal("scl", Pins("C13"), Attrs(IOSTANDARD="I2C")), Subsignal("sda", Pins("A13"), Attrs(IOSTANDARD="I2C")), Subsignal("clk", DiffPairs("T9", "V9")), Subsignal("d", DiffPairs("R3 T4 N5", "T3 V4 P6")), Attrs(IOSTANDARD="TMDS_33"), ), Resource("ac97", 0, Subsignal("clk", Pins("L13", dir="o")), Subsignal("sync", Pins("U17", dir="o")), Subsignal("reset", Pins("T17", dir="o")), Subsignal("sdo", Pins("N18", dir="o")), Subsignal("sdi", Pins("T18", dir="i")), Attrs(IOSTANDARD="LVCMOS33") ), ] connectors = [ Connector("pmod", 0, "T3 R3 P6 N5 - - V9 T9 V4 T4 - -"), # JB Connector("vhdci", 0, # JC "U16 - U15 U13 - M11 R11 - T12 N10 - M10 U11 - R10 - - - - U10 - R8 M8 - U8 U7 - N7 T6 - R7 N6 - U5 " "V16 - V15 V13 - N11 T11 - V12 P11 - N9 V11 - T10 - - - - V10 - T8 N8 - V8 V7 - P8 V6 - T7 P7 - V5 " ), ] def toolchain_program(self, products, name): with products.extract("{}.bit".format(name)) as bitfile: cmd = textwrap.dedent(""" setMode -bscan setCable -port auto addDevice -p 1 -file "{}" program -p 1 exit """).format(bitfile).encode('utf-8') subprocess.run(["impact", "-batch"], input=cmd, check=True) if __name__ == "__main__": from .test.blinky import * AtlysPlatform().build(Blinky(), do_program=True)