# # This file is part of LiteX-Boards. # # Copyright (c) 2020 Michael Welling # Copyright (c) 2020 Sean Cross # Copyright (c) 2020 Drew Fustini # Copyright (c) 2020 Florent Kermarrec # SPDX-License-Identifier: BSD-2-Clause from litex.build.generic_platform import * from litex.build.lattice import LatticePlatform # IOs ---------------------------------------------------------------------------------------------- _io = [ ("clk8", 0, Pins("U18"), IOStandard("LVCMOS33")), ("programn", 0, Pins("R1"), IOStandard("LVCMOS33")), ("serial", 0, Subsignal("rx", Pins("U2"), IOStandard("LVCMOS33"), Misc("PULLMODE=UP")), Subsignal("tx", Pins("U1"), IOStandard("LVCMOS33")), ), ("led", 0, Pins("E3 D3 C3 C4 C2 B1 B20 B19 A18 K20 K19"), IOStandard("LVCMOS33")), # Anodes ("led", 1, Pins("P19 L18 K18"), IOStandard("LVCMOS33")), # Cathodes via FET ("usb", 0, Subsignal("d_p", Pins("F3")), Subsignal("d_n", Pins("G3")), Subsignal("pullup", Pins("E4")), Subsignal("vbusdet", Pins("F4")), IOStandard("LVCMOS33") ), ("keypad", 0, Subsignal("left", Pins("G2"), Misc("PULLMODE=UP")), Subsignal("right", Pins("F2"), Misc("PULLMODE=UP")), Subsignal("up", Pins("F1"), Misc("PULLMODE=UP")), Subsignal("down", Pins("C1"), Misc("PULLMODE=UP")), Subsignal("start", Pins("E1"), Misc("PULLMODE=UP")), Subsignal("select", Pins("D2"), Misc("PULLMODE=UP")), Subsignal("a", Pins("D1"), Misc("PULLMODE=UP")), Subsignal("b", Pins("E2"), Misc("PULLMODE=UP")), ), ("hdmi_out", 0, Subsignal("clk_p", Pins("P20"), Inverted(), IOStandard("TMDS_33")), Subsignal("clk_n", Pins("R20"), Inverted(), IOStandard("TMDS_33")), Subsignal("data0_p", Pins("N19"), IOStandard("TMDS_33")), Subsignal("data0_n", Pins("N20"), IOStandard("TMDS_33")), Subsignal("data1_p", Pins("L20"), IOStandard("TMDS_33")), Subsignal("data1_n", Pins("M20"), IOStandard("TMDS_33")), Subsignal("data2_p", Pins("L16"), IOStandard("TMDS_33")), Subsignal("data2_n", Pins("L17"), IOStandard("TMDS_33")), Subsignal("hpd_notif", Pins("R18"), IOStandard("LVCMOS33")), # Also called HDMI_HEAC_n Subsignal("hdmi_heac_p", Pins("T19"), IOStandard("LVCMOS33")), Misc("DRIVE=4"), ), ("lcd", 0, Subsignal("db", Pins( "J3 H1 K4 J1 K3 K2 L4 K1", "L3 L2 M4 L1 M3 M1 N4 N2", "N3 N1")), Subsignal("rd", Pins("P2")), Subsignal("wr", Pins("P4")), Subsignal("rs", Pins("P1")), Subsignal("cs", Pins("P3")), Subsignal("id", Pins("J4")), Subsignal("rst", Pins("H2")), Subsignal("fmark", Pins("G1")), Subsignal("blen", Pins("P5")), IOStandard("LVCMOS33") ), ("spiflash", 0, # Clock needs to be accessed through USRMCLK Subsignal("cs_n", Pins("R2")), Subsignal("mosi", Pins("W2")), Subsignal("miso", Pins("V2")), Subsignal("wp", Pins("Y2")), Subsignal("hold", Pins("W1")), IOStandard("LVCMOS33") ), ("spiflash4x", 0, # Clock needs to be accessed through USRMCLK Subsignal("cs_n", Pins("R2")), Subsignal("dq", Pins("W2 V2 Y2 W1")), IOStandard("LVCMOS33") ), ("spiram4x", 0, Subsignal("cs_n", Pins("D20")), Subsignal("clk", Pins("E20")), Subsignal("dq", Pins("E19 D19 C20 F19"), Misc("PULLMODE=UP")), IOStandard("LVCMOS33"), Misc("SLEWRATE=SLOW") ), ("spiram4x", 1, Subsignal("cs_n", Pins("F20")), Subsignal("clk", Pins("J19")), Subsignal("dq", Pins("J20 G19 G20 H20"), Misc("PULLMODE=UP")), IOStandard("LVCMOS33"), Misc("SLEWRATE=SLOW") ), ("sao", 0, Subsignal("sda", Pins("B3")), Subsignal("scl", Pins("B2")), Subsignal("gpio", Pins("A2 A3 B4")), Subsignal("drm", Pins("A4")), IOStandard("LVCMOS33"), ), ("sao", 1, Subsignal("sda", Pins("A16")), Subsignal("scl", Pins("B17")), Subsignal("gpio", Pins("B18 A17 B16")), Subsignal("drm", Pins("C17")), IOStandard("LVCMOS33"), ), ("testpts", 0, Subsignal("a1", Pins("A15")), Subsignal("a2", Pins("C16")), Subsignal("a3", Pins("A14")), Subsignal("a4", Pins("D16")), Subsignal("b1", Pins("B15")), Subsignal("b2", Pins("C15")), Subsignal("b3", Pins("A13")), Subsignal("b4", Pins("B13")), IOStandard("LVCMOS33"), ), ("sdram_clock", 0, Pins("D11"), IOStandard("LVCMOS33")), ("sdram", 0, Subsignal("a", Pins("A8 D9 C9 B9 C14 E17 A12 B12 H17 G18 B8 A11 B11")), Subsignal("dq", Pins("C5 B5 A5 C6 B10 C10 D10 A9")), Subsignal("we_n", Pins("B6")), Subsignal("ras_n", Pins("D6")), Subsignal("cas_n", Pins("A6")), Subsignal("cs_n", Pins("C7")), Subsignal("cke", Pins("C11")), Subsignal("ba", Pins("A7 C8")), Subsignal("dm", Pins("A10")), IOStandard("LVCMOS33"), Misc("SLEWRATE=FAST") ), ] _connectors = [ ("pmod", "A15 C16 A14 D16 B15 C15 A13 B13"), ("genio", "C5 B5 A5 C6 B6 A6 D6 C7 ", # 0-7 "A7 C8 B8 A8 D9 C9 B9 A9 ", # 8-15 "D10 C10 B10 A10 D11 C11 B11 A11", # 16-23 "G18 H17 B12 A12 E17 C14"), # 24-29 ] _pmod_gpio = [ ("pmod_gpio", 0, Subsignal("p0", Pins("pmod:0")), Subsignal("p1", Pins("pmod:1")), Subsignal("p2", Pins("pmod:2")), Subsignal("p3", Pins("pmod:3")), Subsignal("p4", Pins("pmod:4")), Subsignal("p5", Pins("pmod:5")), Subsignal("p6", Pins("pmod:6")), Subsignal("p7", Pins("pmod:7")), IOStandard("LVCMOS33") ), ] _genio_gpio = [ ("genio_gpio", 0, Subsignal("p0", Pins("genio:0")), Subsignal("p1", Pins("genio:1")), Subsignal("p2", Pins("genio:2")), Subsignal("p3", Pins("genio:3")), Subsignal("p4", Pins("genio:4")), Subsignal("p5", Pins("genio:5")), Subsignal("p6", Pins("genio:6")), Subsignal("p7", Pins("genio:7")), Subsignal("p8", Pins("genio:8")), Subsignal("p9", Pins("genio:9")), Subsignal("p10", Pins("genio:10")), Subsignal("p11", Pins("genio:11")), Subsignal("p12", Pins("genio:12")), Subsignal("p13", Pins("genio:13")), Subsignal("p14", Pins("genio:14")), Subsignal("p15", Pins("genio:15")), Subsignal("p16", Pins("genio:16")), Subsignal("p17", Pins("genio:17")), Subsignal("p18", Pins("genio:18")), Subsignal("p19", Pins("genio:19")), Subsignal("p20", Pins("genio:20")), Subsignal("p21", Pins("genio:21")), Subsignal("p22", Pins("genio:22")), Subsignal("p23", Pins("genio:23")), Subsignal("p24", Pins("genio:24")), Subsignal("p25", Pins("genio:25")), Subsignal("p26", Pins("genio:26")), Subsignal("p27", Pins("genio:27")), Subsignal("p28", Pins("genio:28")), Subsignal("p29", Pins("genio:29")), ) ] # Platform ----------------------------------------------------------------------------------------- class Platform(LatticePlatform): default_clk_name = "clk8" default_clk_period = 1e9/8e6 def __init__(self, toolchain="trellis", **kwargs): LatticePlatform.__init__(self, "LFE5U-45F-8CABGA381", io=_io, connectors=_connectors, toolchain=toolchain, **kwargs) def create_programmer(self): raise ValueError("{} programmer is not supported" .format(self.programmer)) def do_finalize(self, fragment): LatticePlatform.do_finalize(self, fragment) self.add_period_constraint(self.lookup_request("clk8", loose=True), 1e9/8e6)