Litex work

[soc.git] / nix / ls180.nix

diff --git a/nix/ls180.nix b/nix/ls180.nix
new file mode 100644 (file)
index 0000000..03d1395
--- /dev/null
+++ b/nix/ls180.nix
@@ -0,0 +1,42 @@
+{ version }:
+
+{ stdenv, python3Packages, yosys, libresoc-pre-litex, libresoc-pinmux }:
+
+stdenv.mkDerivation {
+  pname = "libresoc-ls1804k";
+  inherit version;
+
+  src = ../src/soc/litex/florent;
+
+  nativeBuildInputs = with python3Packages; [
+    python libresoc-soc litex-unchecked litedram-unchecked liteeth-unchecked liteiclink-unchecked litescope-unchecked litesdcard-unchecked
+  ];
+
+  postPatch = ''
+    patchShebangs --build .
+  '';
+
+  configurePhase = "true";
+
+  buildPhase = ''
+    runHook preBuild
+    export PINMUX="$(mktemp -d)"
+    ln -s ${libresoc-pinmux} "$PINMUX/ls180"
+    cp ${libresoc-pre-litex} libresoc/libresoc.v
+    ./ls180soc.py --build --platform=ls180sram4k --num-srams=2 --srams4k
+    runHook postBuild
+  '';
+
+  installPhase = ''
+    runHook preInstall
+    mkdir $out
+    mv build/ls180sram4k/gateware/ls180sram4k.v $out/ls180.v
+    mv build/ls180sram4k/gateware/mem.init $out
+    mv build/ls180sram4k/gateware/mem_1.init $out
+    mv libresoc/libresoc.v $out
+    mv libresoc/SPBlock_512W64B8W.v $out
+    runHook postInstall
+  '';
+
+  fixupPhase = "true";
+}