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__ _ __ ______ __ / / (_) /____ / __/ /_/ / / /__/ / __/ -_) _// __/ _ \ /____/_/\__/\__/___/\__/_//_/ Copyright 2012-2018 / EnjoyDigital A small footprint and configurable Ethernet core powered by LiteX & Migen [> Intro -------- LiteEth provides a small footprint and configurable Ethernet core. LiteEth is part of LiteX libraries whose aims are to lower entry level of complex FPGA cores by providing simple, elegant and efficient implementations of components used in today's SoC such as Ethernet, SATA, PCIe, SDRAM Controller... Since Python is used to describe the HDL, the core is highly and easily configurable. LiteEth is built using LiteX and uses technologies developed in partnership with M-Labs Ltd: - Migen enables generating HDL with Python in an efficient way. - MiSoC provides the basic blocks to build a powerful and small footprint SoC. LiteEth can be used as LiteX library or can be integrated with your standard design flow by generating the verilog rtl that you will use as a standard core. [> Features ----------- PHY: - MII / RMII - GMII / RGMII - 1000BaseX Core: - MAC with various interfaces (to soft core or hardware stack) - ARP - ICMP - UDP Frontend: - Etherbone (Wishbone over UDP, Slave or Master support) - Virtual Serial ports over UDP. [> FPGA Proven --------------- LiteEth is already used in commercial and open-source designs: - MiSoC: http://m-labs.hk/gateware.html - ARTIQ: http://m-labs.hk/artiq/index.html - HDMI2USB: http://hdmi2usb.tv/home/ - and others commercial designs... [> Possible improvements ------------------------ - optimize ressources on HW ICMP and Etherbone (parameters buffering) - add standardized interfaces (AXI, Avalon-ST) - add DMA interface to MAC - add more documentation - ... See below Support and consulting :) If you want to support these features, please contact us at florent [AT] enjoy-digital.fr. [> Getting started ------------------ 1. Install Python 3.5, Migen and FPGA vendor's development tools. Get Migen from: https://github.com/m-labs/migen 2. Obtain LiteX and install it: git clone https://github.com/enjoy-digital/litex --recursive cd litex python3 setup.py develop cd .. 3. TODO: add/describe example design(s) [> Tests -------- Unit tests are available in ./test/. To run all the unit tests: ./setup.py test Tests can also be run individually: python3 -m unittest test.test_name [> License ---------- LiteEth is released under the very permissive two-clause BSD license. Under the terms of this license, you are authorized to use LiteEth for closed-source proprietary designs. Even though we do not require you to do so, those things are awesome, so please do them if possible: - tell us that you are using LiteEth - cite LiteEth in publications related to research it has helped - send us feedback and suggestions for improvements - send us bug reports when something goes wrong - send us the modifications and improvements you have done to LiteEth. [> Support and consulting ------------------------- We love open-source hardware and like sharing our designs with others. LiteEth is developed and maintained by EnjoyDigital. If you would like to know more about LiteEth or if you are already a happy user and would like to extend it for your needs, EnjoyDigital can provide standard commercial support as well as consulting services. So feel free to contact us, we'd love to work with you! (and eventually shorten the list of the possible improvements :) [> Contact ---------- E-mail: florent [AT] enjoy-digital.fr