nix/ecp5.nix

   1 { version }:
   2
   3 { stdenv, python3Packages, yosys, libresoc-verilog, libresoc-pinmux, pkgsCross
   4 , nextpnr, trellis }:
   5
   6 stdenv.mkDerivation {
   7   pname = "libresoc-versa-ecp5.v";
   8   inherit version;
   9
  10   src = ../src/soc/litex/florent;
  11
  12   nativeBuildInputs =
  13     (with python3Packages; [
  14     python libresoc-soc litex-boards litex litedram liteeth liteiclink litescope litesdcard
  15     ])
  16     ++ [ trellis nextpnr pkgsCross.powernv.buildPackages.gcc ];
  17
  18   postPatch = ''
  19     patchShebangs --build .
  20   '';
  21
  22   configurePhase = "true";
  23
  24   buildPhase = ''
  25     runHook preBuild
  26     export PINMUX="$(mktemp -d)"
  27     ln -s ${libresoc-pinmux} "$PINMUX/ls180"
  28     cp ${libresoc-verilog} libresoc/libresoc.v
  29     ./versa_ecp5.py --sys-clk-freq=55e6 --build
  30     runHook postBuild
  31   '';
  32
  33   installPhase = ''
  34     runHook preInstall
  35     mv /build/florent/build/versa_ecp5/gateware/versa_ecp5.svf $out
  36     runHook postInstall
  37   '';
  38
  39   fixupPhase = "true";
  40 }