47 lines
1.8 KiB
Python
47 lines
1.8 KiB
Python
|
#
|
||
|
|
# This file is part of LiteX-Boards.
|
||
|
|
#
|
||
|
|
# Copyright (c) 2022 Ilia Sergachev <ilia@sergachev.ch>
|
||
|
|
# SPDX-License-Identifier: BSD-2-Clause
|
||
|
|
|
||
|
|
from litex.build.generic_platform import *
|
||
|
|
from litex.build.xilinx import XilinxPlatform, VivadoProgrammer
|
||
|
|
|
||
|
|
|
||
|
|
# IOs ----------------------------------------------------------------------------------------------
|
||
|
|
|
||
|
|
_io = [
|
||
|
|
("clk100", 0,
|
||
|
|
Subsignal("p", Pins("G12"), IOStandard("LVDS_25")),
|
||
|
|
Subsignal("n", Pins("G11"), IOStandard("LVDS_25"))
|
||
|
|
),
|
||
|
|
|
||
|
|
("user_led", 0, Pins("C13"), IOStandard("LVCMOS18")),
|
||
|
|
("user_led", 1, Pins("D14"), IOStandard("LVCMOS18")),
|
||
|
|
("user_led", 2, Pins("D12"), IOStandard("LVCMOS18")),
|
||
|
|
("user_led", 3, Pins("D13"), IOStandard("LVCMOS18")),
|
||
|
|
("user_led", 4, Pins("AW18"), IOStandard("LVCMOS12")),
|
||
|
|
("user_led", 5, Pins("AV18"), IOStandard("LVCMOS12")),
|
||
|
|
("user_led", 6, Pins("BA19"), IOStandard("LVCMOS12")),
|
||
|
|
("user_led", 7, Pins("AP21"), IOStandard("LVCMOS12")),
|
||
|
|
]
|
||
|
|
|
||
|
|
# Platform -----------------------------------------------------------------------------------------
|
||
|
|
|
||
|
|
class Platform(XilinxPlatform):
|
||
|
|
default_clk_name = "clk100"
|
||
|
|
default_clk_period = 1e9 / 100e6
|
||
|
|
|
||
|
|
def __init__(self, toolchain="vivado"):
|
||
|
|
XilinxPlatform.__init__(self, "xczu49dr-ffvf1760-2-e", _io, toolchain=toolchain)
|
||
|
|
self.toolchain.bitstream_commands = \
|
||
|
|
["set_property BITSTREAM.GENERAL.COMPRESS TRUE [current_design]", ]
|
||
|
|
self.default_clk_freq = 1e9 / self.default_clk_period
|
||
|
|
|
||
|
|
def create_programmer(self):
|
||
|
|
return VivadoProgrammer()
|
||
|
|
|
||
|
|
def do_finalize(self, fragment, *args, **kwargs):
|
||
|
|
XilinxPlatform.do_finalize(self, fragment, *args, **kwargs)
|
||
|
|
self.add_period_constraint(self.lookup_request(self.default_clk_name, loose=True), self.default_clk_period)
|