litex-boards/litex_boards/targets/efinix_titanium_ti60_f225_d...

113 lines
4.8 KiB
Python
Executable File

#!/usr/bin/env python3
#
# This file is part of LiteX-Boards.
#
# Copyright (c) 2021 Franck Jullien <franck.jullien@collshade.fr>
# SPDX-License-Identifier: BSD-2-Clause
from migen import *
from migen.genlib.resetsync import AsyncResetSynchronizer
from litex_boards.platforms import efinix_titanium_ti60_f225_dev_kit
from litex.build.generic_platform import *
from litex.soc.cores.clock import *
from litex.soc.integration.soc_core import *
from litex.soc.integration.builder import *
from litex.soc.integration.soc import SoCRegion
from litex.soc.cores.hyperbus import HyperRAM
# CRG ----------------------------------------------------------------------------------------------
class _CRG(Module):
def __init__(self, platform, sys_clk_freq):
self.clock_domains.cd_sys = ClockDomain()
# # #
clk25 = platform.request("clk25")
rst_n = platform.request("user_btn", 0)
# PLL
self.submodules.pll = pll = TITANIUMPLL(platform)
self.comb += pll.reset.eq(~rst_n)
pll.register_clkin(clk25, 25e6)
# You can use CLKOUT0 only for clocks with a maximum frequency of 4x
# (integer) of the reference clock. If all your system clocks do not fall within
# this range, you should dedicate one unused clock for CLKOUT0.
pll.create_clkout(None, 25e6)
pll.create_clkout(self.cd_sys, sys_clk_freq, with_reset=True)
# BaseSoC ------------------------------------------------------------------------------------------
class BaseSoC(SoCCore):
def __init__(self, sys_clk_freq=int(200e6), with_spi_flash=False, with_hyperram=False, **kwargs):
platform = efinix_titanium_ti60_f225_dev_kit.Platform()
# SoCCore ----------------------------------------------------------------------------------
SoCCore.__init__(self, platform, sys_clk_freq,
ident = "LiteX SoC on Efinix Titanium Ti60 F225 Dev Kit",
**kwargs
)
# CRG --------------------------------------------------------------------------------------
self.submodules.crg = _CRG(platform, sys_clk_freq)
# SPI Flash --------------------------------------------------------------------------------
if with_spi_flash:
from litespi.modules import W25Q64JW
from litespi.opcodes import SpiNorFlashOpCodes as Codes
self.add_spi_flash(mode="1x", module=W25Q64JW(Codes.READ_1_1_1), with_master=True)
# HyperRAM ---------------------------------------------------------------------------------
if with_hyperram:
self.submodules.hyperram = HyperRAM(platform.request("hyperram"), latency=7)
self.bus.add_slave("main_ram", slave=self.hyperram.bus, region=SoCRegion(origin=0x40000000, size=32*1024*1024))
# Build --------------------------------------------------------------------------------------------
def main():
from litex.soc.integration.soc import LiteXSoCArgumentParser
parser = LiteXSoCArgumentParser(description="LiteX SoC on Efinix Titanium Ti60 F225 Dev Kit")
target_group = parser.add_argument_group(title="Target options")
target_group.add_argument("--build", action="store_true", help="Build bitstream.")
target_group.add_argument("--load", action="store_true", help="Load bitstream.")
target_group.add_argument("--flash", action="store_true", help="Flash bitstream.")
target_group.add_argument("--sys-clk-freq", default=200e6, help="System clock frequency.")
target_group.add_argument("--with-spi-flash", action="store_true", help="Enable SPI Flash (MMAPed).")
target_group.add_argument("--with-hyperram", action="store_true", help="Enable HyperRAM.")
sdopts = target_group.add_mutually_exclusive_group()
sdopts.add_argument("--with-spi-sdcard", action="store_true", help="Enable SPI-mode SDCard support.")
sdopts.add_argument("--with-sdcard", action="store_true", help="Enable SDCard support.")
builder_args(parser)
soc_core_args(parser)
args = parser.parse_args()
soc = BaseSoC(
sys_clk_freq = int(float(args.sys_clk_freq)),
with_spi_flash = args.with_spi_flash,
with_hyperram = args.with_hyperram,
**soc_core_argdict(args))
if args.with_spi_sdcard:
soc.add_spi_sdcard()
if args.with_sdcard:
soc.add_sdcard()
builder = Builder(soc, **builder_argdict(args))
builder.build(run=args.build)
if args.load:
prog = soc.platform.create_programmer()
prog.load_bitstream(builder.get_bitstream_filename(mode="sram"))
if args.flash:
from litex.build.openfpgaloader import OpenFPGALoader
prog = OpenFPGALoader("titanium_ti60_f225")
prog.flash(0, builder.get_bitstream_filename(mode="flash", ext=".hex")) # FIXME
if __name__ == "__main__":
main()