From ca4284f97764093902475e8cdb9c407ee402b71b Mon Sep 17 00:00:00 2001 From: Florent Kermarrec Date: Tue, 24 Nov 2020 10:19:23 +0100 Subject: [PATCH] bench: add colorlight_5a_75b test target. --- bench/colorlight_5a_75b.py | 75 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100755 bench/colorlight_5a_75b.py diff --git a/bench/colorlight_5a_75b.py b/bench/colorlight_5a_75b.py new file mode 100755 index 0000000..5c32431 --- /dev/null +++ b/bench/colorlight_5a_75b.py @@ -0,0 +1,75 @@ +#!/usr/bin/env python3 + +# +# This file is part of LiteEth. +# +# Copyright (c) 2020 Florent Kermarrec +# SPDX-License-Identifier: BSD-2-Clause + +import os +import argparse + +from migen import * + +from litex_boards.platforms import colorlight_5a_75b +from litex_boards.targets.colorlight_5a_75x import _CRG + +from litex.soc.cores.clock import * +from litex.soc.interconnect.csr import * +from litex.soc.integration.soc_core import * +from litex.soc.integration.builder import * + +from liteeth.phy.ecp5rgmii import LiteEthPHYRGMII + +# Bench SoC ---------------------------------------------------------------------------------------- + +class BenchSoC(SoCCore): + def __init__(self, sys_clk_freq=int(50e6)): + platform = colorlight_5a_75b.Platform() + + # SoCMini ---------------------------------------------------------------------------------- + SoCMini.__init__(self, platform, clk_freq=sys_clk_freq, + ident = "LiteEth bench on ColorLight 5A-75B", + ident_version = True + ) + + # CRG -------------------------------------------------------------------------------------- + self.submodules.crg = _CRG(platform, sys_clk_freq) + + # Etherbone -------------------------------------------------------------------------------- + self.submodules.ethphy = LiteEthPHYRGMII( + clock_pads = self.platform.request("eth_clocks"), + pads = self.platform.request("eth"), + tx_delay = 0e-9, + with_hw_init_reset = False) + self.add_csr("ethphy") + self.add_etherbone(phy=self.ethphy) + + # SRAM ------------------------------------------------------------------------------------- + self.add_ram("sram", 0x20000000, 0x1000) + + # Leds ------------------------------------------------------------------------------------- + from litex.soc.cores.led import LedChaser + self.submodules.leds = LedChaser( + pads = platform.request_all("user_led_n"), + sys_clk_freq = sys_clk_freq) + self.add_csr("leds") + +# Main --------------------------------------------------------------------------------------------- + +def main(): + parser = argparse.ArgumentParser(description="LiteEth Bench on ColorLight 5A-75B") + parser.add_argument("--build", action="store_true", help="Build bitstream") + parser.add_argument("--load", action="store_true", help="Load bitstream") + args = parser.parse_args() + + soc = BenchSoC() + builder = Builder(soc, csr_csv="csr.csv") + builder.build(run=args.build) + + if args.load: + prog = soc.platform.create_programmer() + prog.load_bitstream(os.path.join(builder.gateware_dir, soc.build_name + ".svf")) + +if __name__ == "__main__": + main()