117 lines
3.8 KiB
Python
117 lines
3.8 KiB
Python
# This file is Copyright (c) 2014-2019 Florent Kermarrec <florent@enjoy-digital.fr>
|
|
# License: BSD
|
|
|
|
from litex.build.generic_platform import *
|
|
from litex.build.altera import AlteraPlatform
|
|
from litex.build.altera.programmer import USBBlaster
|
|
|
|
# IOs ----------------------------------------------------------------------------------------------
|
|
|
|
_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("T8"), 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,
|
|
# Compatible with cheap FT232 based cables (ex: Gaoominy 6Pin Ftdi Ft232Rl Ft232)
|
|
# GND on JP1 Pin 12.
|
|
Subsignal("tx", Pins("B5"), IOStandard("3.3-V LVTTL")), # GPIO_07 (JP1 Pin 10)
|
|
Subsignal("rx", Pins("B4"), IOStandard("3.3-V LVTTL")) # GPIO_05 (JP1 Pin 8)
|
|
),
|
|
|
|
("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("dm", 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")
|
|
),
|
|
]
|
|
|
|
# Platform -----------------------------------------------------------------------------------------
|
|
|
|
class Platform(AlteraPlatform):
|
|
default_clk_name = "clk50"
|
|
default_clk_period = 1e9/50e6
|
|
|
|
def __init__(self):
|
|
AlteraPlatform.__init__(self, "EP4CE22F17C6", _io)
|
|
|
|
def create_programmer(self):
|
|
return USBBlaster()
|