HDL_workflow/nextpnr-xilinx.mdwn

   1 # nextpnr-xilinx
   2
   3 **Page under development**
   4
   5 Installation instructions for Nextpnr-xilinx with Digilent Arty A7-100t
   6 with Xilinx Artix7 100T
   7
   8 Use of the automated install scripts recommended
   9
  10 * Source code: <https://github.com/gatecat/nextpnr-xilinx>
  11 * Bugzilla page <https://bugs.libre-soc.org/show_bug.cgi?id=790>
  12 * Auto-install script: <https://git.libre-soc.org/?p=dev-env-setup.git;a=blob;f=nextpnr-xilinx;hb=HEAD>
  13 * Prerequisites: yosys <https://git.libre-soc.org/?p=dev-env-setup.git;a=blob;f=hdl-tools-yosys;hb=HEAD>
  14
  15
  16
  17 # Setting up new debootstrap and chroot into it
  18
  19 Run the following if you wish to isolate the nextpnr-xilinx build
  20 from other software (reproducible builds) or use the schroot
  21 auto-preparation script here:
  22 <https://git.libre-soc.org/?p=dev-env-setup.git;a=blob;f=mk-deb-chroot;hb=HEAD>
  23
  24     export MY_CHROOT=/stable-chroot
  25     mkdir $MY_CHROOT
  26     debootstrap buster $MY_CHROOT http://deb.debian.org/debian/
  27     mount -t proc proc $MY_CHROOT/proc
  28     mount -t sysfs sysfs $MY_CHROOT/sys
  29     mount -t devpts devpts $MY_CHROOT/dev/pts/
  30     chroot $MY_CHROOT /bin/bash
  31
  32 # Download neccessary softwares
  33
  34     apt-get install -y libcurl3-gnutls/buster git/buster
  35
  36     git clone https://github.com/f4pga/prjxray.git
  37     git clone https://github.com/SymbiFlow/prjxray-db.git
  38     git clone https://github.com/gatecat/nextpnr-xilinx.git
  39
  40 # Steps to compile prjxray
  41
  42 ## Necessary software to install
  43
  44 apt-get install -y python3-pip
  45
  46 ## Build prjxray
  47
  48     cd prjxray
  49     git checkout 18b92012afe2b03f3f975a78c4372c74b60dca0c
  50     git submodule update --init --recursive
  51     mkdir build; cd build
  52     cmake -DCMAKE_INSTALL_PREFIX=/usr/local/nx ..
  53     make -j$(nproc)
  54     make install
  55     install -d -m 0755 /usr/local/nx/build/tools
  56     install -m 0755 tools/{bitread,bittool,frame_address_decoder,gen_part_base_yaml,segmatch,xc7frames2bit,xc7patch} \
  57      /usr/local/nx/build/tools
  58     cd ..
  59     cp -dpr utils /usr/local/nx
  60     sed -i -e '/^# Vivado /,$d' /usr/local/nx/utils/environment.sh
  61     pip3 install .
  62     cd ..
  63
  64 # Steps to compile prjxray-db
  65
  66 ## Install prjxray-db
  67
  68     cd prjxray-db
  69     git archive --format=tar --prefix=database/ \
  70       0a0addedd73e7e4139d52a6d8db4258763e0f1f3 | \
  71       tar -C /usr/local/nx -xf -
  72     cd ..
  73
  74 # Steps to compile nextpnr-xilinx
  75
  76 ## Necessary software to install
  77
  78     apt-get install -y libboost-thread-dev libboost-iostreams-dev \
  79      libboost-program-options-dev libeigen3-dev
  80
  81 ## Build nextpnr-xilinx
  82
  83     cd nextpnr-xilinx
  84     git checkout 565588a69ea95a52f7c7592f4ed81d9bef6cfb60
  85     cmake -DARCH=xilinx -DBUILD_GUI=OFF -DCMAKE_INSTALL_PREFIX=/usr/local/nx .
  86     make -j$(nproc)
  87     make install
  88     python3 xilinx/python/bbaexport.py --device xc7a100tcsg324-1 \
  89      --bba xilinx/xc7a100t.bba
  90     ./bbasm --l xilinx/xc7a100t.bba xilinx/xc7a100t.bin
  91     install -d -m 0755 /usr/local/nx/share/xilinx
  92     install -m 0755 xilinx/xc7a100t.bin /usr/local/nx/share/xilinx
  93     export XRAY_DIR=/usr/local/nx
  94
  95     # build attosoc example; it should build attosoc.bit as final bitstream
  96
  97     cd xilinx/examples
  98     cp -dpr arty-a35 arty-a100
  99     cd arty-a100
 100     sed -i -e 's@xc7a35tcsg324-1@xc7a100tcsg324-1@g' \
 101      -e 's@../../../nextpnr-xilinx@nextpnr-xilinx@g' \
 102      -e 's@../../xc7a35t.bin@/usr/local/nx/share/xilinx/xc7a100t.bin@g' \
 103      attosoc.sh
 104     ./attosoc.sh
 105
 106     # see file attosoc.bit; it is the bitstream file and if built then success