Introduction Link to heading

I used yosys occasionally but never tried the whole yosys-nexpnr-icestorm toolchain. This post documents the steps to compile the toolchain. Spoiler alert, the order is important.

Setup Link to heading

export BASRPATH=$PWD
export OSSFPGA=$BASRPATH/opt
export MAKEPARALLEL="-j4"

sudo apt-get install build-essential clang bison flex \
                libreadline-dev gawk tcl-dev libffi-dev git \
                graphviz xdot pkg-config python3 libboost-system-dev \
                libboost-python-dev libboost-filesystem-dev zlib1g-dev \
                libboost-program-options-dev libboost-thread-dev libboost-iostreams-dev \
                libftdi-dev libeigen3-dev qtbase5-dev

Building Yosys Link to heading


git clone https://github.com/YosysHQ/yosys.git
cd yosys
make config-gcc
make $MAKEPARALLEL
make install PREFIX=$OSSFPGA
cd $BASRPATH

Building trellis Link to heading

git clone https://github.com/SymbiFlow/prjtrellis
cd prjtrellis/libtrellis
cmake -DCMAKE_INSTALL_PREFIX=$OSSFPGA .
make $MAKEPARALLEL
make install
cd $BASRPATH

Building icestorm Link to heading

git clone https://github.com/cliffordwolf/icestorm.git
cd icestorm
make
make install PREFIX=$OSSFPGA
cd $BASRPATH

Building nextpnr Link to heading

git clone https://github.com/YosysHQ/nextpnr.git
cd nextpnr
mkdir build
cd build
cmake .. -DARCH=all -DCMAKE_INSTALL_PREFIX=$OSSFPGA -DTRELLIS_ROOT=$BASRPATH/prjtrellis \
 -DICEBOX_ROOT=$OSSFPGA/share/icebox
make
make install
cd $BASRPATH