138 lines
4.9 KiB
Python
138 lines
4.9 KiB
Python
# This file is Copyright (c) 2020 Paul Sajna <sajattack@gmail.com>
|
|
# 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("V11"), IOStandard("3.3-V LVTTL")),
|
|
("clk50", 1, Pins("Y13"), IOStandard("3.3-V LVTTL")),
|
|
("clk50", 2, Pins("E11"), IOStandard("3.3-V LVTTL")),
|
|
|
|
("user_led", 0, Pins("W15"), IOStandard("3.3-V LVTTL")),
|
|
("user_led", 1, Pins("AA24"), IOStandard("3.3-V LVTTL")),
|
|
("user_led", 2, Pins("V16"), IOStandard("3.3-V LVTTL")),
|
|
("user_led", 3, Pins("V15"), IOStandard("3.3-V LVTTL")),
|
|
("user_led", 4, Pins("AF26"), IOStandard("3.3-V LVTTL")),
|
|
("user_led", 5, Pins("AE26"), IOStandard("3.3-V LVTTL")),
|
|
|
|
("key", 0, Pins("AH17"), IOStandard("3.3-V LVTTL")),
|
|
("key", 1, Pins("AH16"), IOStandard("3.3-V LVTTL")),
|
|
|
|
("user_sw", 0, Pins("Y24"), IOStandard("3.3-V LVTTL")),
|
|
("user_sw", 1, Pins("W24"), IOStandard("3.3-V LVTTL")),
|
|
("user_sw", 2, Pins("W21"), IOStandard("3.3-V LVTTL")),
|
|
("user_sw", 3, Pins("W20"), IOStandard("3.3-V LVTTL")),
|
|
|
|
("serial", 0,
|
|
Subsignal("tx", Pins("AF13"), IOStandard("3.3-V LVTTL")), # Arduino_IO1
|
|
Subsignal("rx", Pins("AG13"), IOStandard("3.3-V LVTTL")) # Arduino_IO0
|
|
),
|
|
|
|
("g_sensor", 0,
|
|
Subsignal("int", Pins("A17")),
|
|
Subsignal("sclk", Pins("C18")),
|
|
Subsignal("sdat", Pins("A19")),
|
|
IOStandard("3.3-V LVTTL")
|
|
),
|
|
|
|
("adc", 0,
|
|
Subsignal("convst", Pins("U9")),
|
|
Subsignal("sclk", Pins("V10")),
|
|
Subsignal("sdi", Pins("AC4")),
|
|
Subsignal("sdo", Pins("AD4")),
|
|
IOStandard("3.3-V LVTTL")
|
|
),
|
|
|
|
("hdmi", 0,
|
|
Subsignal("tx_d_r", Pins("AS12 AE12 W8 Y8 AD11 AD10 AE11 Y5")),
|
|
Subsignal("tx_d_g", Pins("AF10 Y4 AE9 AB4 AE7 AF6 AF8 AF5")),
|
|
Subsignal("tx_d_b", Pins("AE4 AH2 AH4 AH5 AH6 AG6 AF9 AE8")),
|
|
Subsignal("tx_clk", Pins("AG5")),
|
|
Subsignal("tx_de", Pins("AD19")),
|
|
Subsignal("tx_hs", Pins("T8")),
|
|
Subsignal("tx_vs", Pins("V13")),
|
|
Subsignal("tx_int", Pins("AF11")),
|
|
Subsignal("i2s0", Pins("T13")),
|
|
Subsignal("mclk", Pins("U11")),
|
|
Subsignal("lrclk", Pins("T11")),
|
|
Subsignal("sclk", Pins("T12")),
|
|
Subsignal("scl", Pins("U10")),
|
|
Subsignal("sda", Pins("AA4")),
|
|
IOStandard("3.3-V LVTTL")
|
|
),
|
|
|
|
("gpio_0", 0, Pins(
|
|
"V12 E8 W12 D11 D8 AH13 AF7 AH14",
|
|
"AF4 AH3 AD5 AG14 AE23 D12 AD20 C12",
|
|
"AD17 AC23 AC22 Y19 AB23 AA19 W11 AA18",
|
|
"W14 Y18 Y17 AB25 AB26 Y11 AA26 AA13",
|
|
"AA11"),
|
|
IOStandard("3.3-V LVTTL")
|
|
),
|
|
("gpio_1", 0, Pins(
|
|
"Y15 AC24 AA15 AD26 AG28 AF28 AE25 AF27",
|
|
"AG26 AH27 AG25 AH26 AH24 AF25 AG23 AF24",
|
|
"AG24 AH22 AH21 AG21 AH23 AA20 AF22 AE22",
|
|
"AG20 AF21 AH23 AA20 AF22 AE22 AG20 AF21",
|
|
"AG19 AH19 AG18 AH18 AF18 AF20 AG15 AE20",
|
|
"AE19 AE17"),
|
|
IOStandard("3.3-V LVTTL")
|
|
),
|
|
("arduino", 0, Pins(
|
|
"AG13 AF13 AG10 AG9 U14 U13 AG8 AH8",
|
|
"AF17 AE15 AF15 AG16 AH11 AH12 AH9 AG11",
|
|
"AH7"),
|
|
IOStandard("3.3-V LVTTL")
|
|
),
|
|
]
|
|
|
|
_mister_sdram_module_io = [
|
|
("sdram_clock", 0, Pins("AD20"), IOStandard("3.3-V LVTTL")),
|
|
("sdram", 0,
|
|
Subsignal("cke", Pins("AG10")),
|
|
Subsignal("a", Pins(
|
|
"Y11 AA26 AA13 AA11 W11 Y19 AB23 AC23",
|
|
"AC22 C12 AB26 AD17 D12")),
|
|
Subsignal("dq", Pins(
|
|
"E8 V12 D11 W12 AH13 D8 AH14 AF7",
|
|
"AE24 AD23 AE6 AE23 AG14 AD5 AF4 AH3")),
|
|
Subsignal("ba", Pins("Y17 AB25")),
|
|
Subsignal("cas_n", Pins("AA18")),
|
|
Subsignal("cs_n", Pins("Y18")),
|
|
Subsignal("ras_n", Pins("W14")),
|
|
Subsignal("we_n", Pins("AA19")),
|
|
IOStandard("3.3-V LVTTL")
|
|
),
|
|
|
|
("spisdcard", 0,
|
|
Subsignal("clk", Pins("AH26")),
|
|
Subsignal("mosi", Pins("AF27")),
|
|
Subsignal("cs_n", Pins("AF28")),
|
|
Subsignal("miso", Pins("AF25")),
|
|
IOStandard("3.3-V LVTTL")
|
|
),
|
|
]
|
|
|
|
# Platform -----------------------------------------------------------------------------------------
|
|
|
|
class Platform(AlteraPlatform):
|
|
default_clk_name = "clk50"
|
|
default_clk_period = 1e9/50e6
|
|
|
|
def __init__(self):
|
|
AlteraPlatform.__init__(self, "5CSEBA6U23I7", _io)
|
|
self.add_extension(_mister_sdram_module_io)
|
|
|
|
def create_programmer(self):
|
|
return USBBlaster()
|
|
|
|
def do_finalize(self, fragment):
|
|
AlteraPlatform.do_finalize(self, fragment)
|
|
self.add_period_constraint(self.lookup_request("clk50", 0, loose=True), 1e9/50e6)
|
|
self.add_period_constraint(self.lookup_request("clk50", 1, loose=True), 1e9/50e6)
|
|
self.add_period_constraint(self.lookup_request("clk50", 2, loose=True), 1e9/50e6)
|