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Build your hardware, easily!
License: Other
This project forked from enjoy-digital/litex
Build your hardware, easily!
License: Other
__ _ __ _ __ / / (_) /____ | |/_/ / /__/ / __/ -_)> < /____/_/\__/\__/_/|_| Migen inside Build your hardware, easily! Copyright 2012-2018 / EnjoyDigital [> Intro -------- LiteX is an alternative to MiSoC maintained and used by Enjoy-Digital to build our cores, integrate them in complete SoC and load/flash them to the hardware and experiment new features. (structure is kept close to MiSoC to ease collaboration) Typical LiteX design flow: -------------------------- +---------------+ |FPGA toolchains| +----^-----+----+ | | +--+-----v--+ +-------+ | | | Migen +--------> | +-------+ | | Your design | LiteX +---> ready to be used! | | +----------------------+ | | |LiteX Cores Ecosystem +--> | +----------------------+ +-^-------^-+ (Eth, SATA, DRAM, USB, | | PCIe, Video, etc...) + + board target file file [> Sub-packages --------------- gen: Provides specific or experimental modules to generate HDL that are not integrated in Migen. build: Provides tools to build FPGA bitstreams (interface to vendor toolchains) and to simulate HDL code or full SoCs. soc: Provides definitions/modules to build cores (bus, bank, flow), cores and tools to build a SoC from such cores. boards: Provides platforms and targets for the supported boards. [> Very Quick start guide (for newcomers) ----------------------------------------- TimVideos.us has done an awesome job for setting up a LiteX environment easily in the litex-buildenv repo: https://github.com/timvideos/litex-buildenv It's recommended for newcomers to go this way. Various FPGA boards are supported and multiple examples provided! You can even run Linux on your FPGA using LiteX very easily! Migen documentation can be found here: https://m-labs.hk/migen/manual [> Medium Quick start guide with Conda ----------------------------------------- 0. Get miniconda by following instructions at https://conda.io/miniconda.html 1. Clone LiteX git clone --recurse-submodules https://github.com/enjoy-digital/litex.git 2. Create a LiteX environment from environment.yml conda env create -f environment.yml 3. Enter conda environment conda activate litex 4. Build the target of your board...: Go to boards/targets and execute the target you want to build [> Quick start guide (for advanced users) ----------------------------------------- 0. If cloned from Git without the --recursive option, get the submodules: git submodule update --init 1. Install Python 3.5, Migen and FPGA vendor's development tools. Get Migen from: https://github.com/m-labs/migen 2. Compile and install binutils. Take the latest version from GNU. mkdir build && cd build ../configure --target=lm32-elf make make install 3. (Optional, only if you want to use a lm32 CPU in you SoC) Compile and install GCC. Take gcc-core and gcc-g++ from GNU (version 4.5 or >=4.9). rm -rf libstdc++-v3 mkdir build && cd build ../configure --target=lm32-elf --enable-languages="c,c++" --disable-libgcc \ --disable-libssp make make install 4. Build the target of your board...: Go to boards/targets and execute the target you want to build 5. ... and/or install Verilator and test LiteX on your computer: Download and install Verilator: http://www.veripool.org/ Install libevent-devel / json-c-devel packages Go to boards/targets ./sim.py 6. Run a terminal program on the board's serial port at 115200 8-N-1. You should get the BIOS prompt. [> Contact ---------- E-mail: florent [AT] enjoy-digital.fr
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