litex/mibuild/platforms/de0nano.py

103 lines
3.2 KiB
Python

# This file is Copyright (c) 2013 Florent Kermarrec <florent@enjoy-digital.fr>
# License: GPLv3
from mibuild.generic_platform import *
from mibuild.altera_quartus import AlteraQuartusPlatform, CRG_SE
_io = [
("clk50", 0, Pins("R8"), IOStandard("3.3-V LVTTL")),
("user_led", 0, Pins("A15"), IOStandard("3.3-V LVTTL")),
("user_led", 1, Pins("A13"), IOStandard("3.3-V LVTTL")),
("user_led", 2, Pins("B13"), IOStandard("3.3-V LVTTL")),
("user_led", 3, Pins("A11"), IOStandard("3.3-V LVTTL")),
("user_led", 4, Pins("D1"), IOStandard("3.3-V LVTTL")),
("user_led", 5, Pins("F3"), IOStandard("3.3-V LVTTL")),
("user_led", 6, Pins("B1"), IOStandard("3.3-V LVTTL")),
("user_led", 7, Pins("L3"), IOStandard("3.3-V LVTTL")),
("key", 0, Pins("J15"), IOStandard("3.3-V LVTTL")),
("key", 1, Pins("E1"), IOStandard("3.3-V LVTTL")),
("sw", 0, Pins("M1"), IOStandard("3.3-V LVTTL")),
("sw", 1, Pins("T9"), IOStandard("3.3-V LVTTL")),
("sw", 2, Pins("B9"), IOStandard("3.3-V LVTTL")),
("sw", 3, Pins("M15"), IOStandard("3.3-V LVTTL")),
("serial", 0,
Subsignal("tx", Pins("D3"), IOStandard("3.3-V LVTTL")),
Subsignal("rx", Pins("C3"), IOStandard("3.3-V LVTTL"))
),
("sdram_clock", 0, Pins("R4"), IOStandard("3.3-V LVTTL")),
("sdram", 0,
Subsignal("a", Pins("P2", "N5", "N6", "M8", "P8", "T7", "N8", "T6",
"R1", "P1", "N2", "N1", "L4")),
Subsignal("ba", Pins("M7", "M6")),
Subsignal("cs_n", Pins("P6")),
Subsignal("cke", Pins("L7")),
Subsignal("ras_n", Pins("L2")),
Subsignal("cas_n", Pins("L1")),
Subsignal("we_n", Pins("C2")),
Subsignal("dq", Pins("G2", "G1", "L8", "K5", "K2", "J2", "J1", "R7",
"T4", "T2", "T3", "R3", "R5", "P3", "N3", "K1")),
Subsignal("dqm", Pins("R6","T5")),
IOStandard("3.3-V LVTTL")
),
("epcs", 0,
Subsignal("data0", Pins("H2")),
Subsignal("dclk", Pins("H1")),
Subsignal("ncs0", Pins("D2")),
Subsignal("asd0", Pins("C1")),
IOStandard("3.3-V LVTTL")
),
("i2c", 0,
Subsignal("sclk", Pins("F2")),
Subsignal("sdat", Pins("F1")),
IOStandard("3.3-V LVTTL")
),
("g_sensor", 0,
Subsignal("cs_n", Pins("G5")),
Subsignal("int", Pins("M2")),
IOStandard("3.3-V LVTTL")
),
("adc", 0,
Subsignal("cs_n", Pins("A10")),
Subsignal("saddr", Pins("B10")),
Subsignal("sclk", Pins("B14")),
Subsignal("sdat", Pins("A9")),
IOStandard("3.3-V LVTTL")
),
("gpio_0", 0,
Pins("D3", "C3", "A2", "A3", "B3", "B4", "A4", "B5",
"A5", "D5", "B6", "A6", "B7", "D6", "A7", "C6",
"C8", "E6", "E7", "D8", "E8", "F8", "F9", "E9",
"C9", "D9", "E11", "E10", "C11", "B11", "A12", "D11",
"D12", "B12"),
IOStandard("3.3-V LVTTL")
),
("gpio_1", 0,
Pins("F13", "T15", "T14", "T13", "R13", "T12", "R12", "T11",
"T10", "R11", "P11", "R10", "N12", "P9", "N9", "N11",
"L16", "K16", "R16", "L15", "P15", "P16", "R14", "N16",
"N15", "P14", "L14", "N14", "M10", "L13", "J16", "K15",
"J13", "J14"),
IOStandard("3.3-V LVTTL")
),
("gpio_2", 0,
Pins("A14", "B16", "C14", "C16", "C15", "D16", "D15", "D14",
"F15", "F16", "F14", "G16", "G15"),
IOStandard("3.3-V LVTTL")
),
]
class Platform(AlteraQuartusPlatform):
def __init__(self):
AlteraQuartusPlatform.__init__(self, "EP4CE22F17C6", _io,
lambda p: CRG_SE(p, "clk50", "key", 20.0, True))