diff --git a/gluelogic/default.nix b/gluelogic/default.nix
index f532171..e4c60dc 100644
--- a/gluelogic/default.nix
+++ b/gluelogic/default.nix
@@ -1,12 +1,12 @@
 { pkgs ? import <nixpkgs> {} }:
 let
-  artiqpkgs = import ../artiq-fast/pkgs/python-deps.nix { inherit (pkgs) lib fetchgit fetchFromGitHub python3Packages; misoc-new = true; };
   ise = import ./ise.nix { inherit pkgs; };
-  vivado = import ../artiq-fast/vivado.nix { inherit pkgs; };
+  vivado = import ./vivado.nix { inherit pkgs; };
+  fpgatools = import ./fpgatools.nix { inherit pkgs; };
   buildUrukulCpld = {version, src}: pkgs.stdenv.mkDerivation {
     pname = "urukul-cpld";
     inherit src version;
-    buildInputs = [(pkgs.python3.withPackages(ps: [artiqpkgs.migen]))] ++ (builtins.attrValues ise);
+    buildInputs = [(pkgs.python3.withPackages(ps: [fpgatools.migen]))] ++ (builtins.attrValues fpgatools.ise);
     phases = ["buildPhase" "installPhase"];
     buildPhase = "python $src/urukul_impl.py";
     installPhase =
@@ -19,7 +19,7 @@ let
   buildMirnyCpld = {version, src}: pkgs.stdenv.mkDerivation {
     pname = "mirny-cpld";
     inherit src version;
-    buildInputs = [(pkgs.python3.withPackages(ps: [artiqpkgs.migen]))] ++ (builtins.attrValues ise);
+    buildInputs = [(pkgs.python3.withPackages(ps: [fpgatools.migen]))] ++ (builtins.attrValues fpgatools.ise);
     phases = ["buildPhase" "installPhase"];
     buildPhase = "python $src/mirny_impl.py";
     installPhase =
@@ -69,7 +69,7 @@ in
     fastino-fpga = pkgs.stdenv.mkDerivation {
       name = "fastino-fpga";
       src = <fastinoSrc>;
-      buildInputs = [(pkgs.python3.withPackages(ps: [artiqpkgs.migen artiqpkgs.misoc]))] ++ [pkgs.yosys pkgs.nextpnr pkgs.icestorm];
+      buildInputs = [(pkgs.python3.withPackages(ps: [fpgatools.migen fpgatools.misoc]))] ++ [pkgs.yosys pkgs.nextpnr pkgs.icestorm];
       phases = ["buildPhase" "installPhase"];
       buildPhase = "python $src/fastino_phy.py";
       installPhase =
@@ -88,7 +88,7 @@ in
                     ""
       '';
 
-      buildInputs = [ (pkgs.python3.withPackages(ps: [ artiqpkgs.migen artiqpkgs.misoc ])) ] ++ [ vivado ];
+      buildInputs = [ (pkgs.python3.withPackages(ps: [ fpgatools.migen fpgatools.misoc ])) ] ++ [ fpgatools.vivado ];
       buildPhase = "python phaser.py";
       installPhase =
         ''
diff --git a/gluelogic/fpgatools.nix b/gluelogic/fpgatools.nix
new file mode 100644
index 0000000..c032e5b
--- /dev/null
+++ b/gluelogic/fpgatools.nix
@@ -0,0 +1,84 @@
+{ pkgs, isePath ? "/opt/Xilinx/14.7/ISE_DS", vivadoPath ? "/opt/Xilinx/Vivado/2021.2" }:
+rec {
+  ise = let
+    makeXilinxEnv = name: pkgs.buildFHSUserEnv {
+      inherit name;
+      targetPkgs = pkgs: (
+        with pkgs; [
+          ncurses5
+          zlib
+          libuuid
+          xorg.libSM
+          xorg.libICE
+          xorg.libXrender
+          xorg.libX11
+          xorg.libXext
+          xorg.libXtst
+          xorg.libXi
+        ]
+      );
+      profile = 
+        ''
+        source ${isePath}/common/.settings64.sh ${isePath}/common
+        source ${isePath}/ISE/.settings64.sh ${isePath}/ISE
+        '';
+      runScript = name;
+    };
+  in
+    pkgs.lib.attrsets.genAttrs ["xst" "ngdbuild" "cpldfit" "taengine" "hprep6"] makeXilinxEnv;
+  vivado = pkgs.buildFHSUserEnv {
+    name = "vivado";
+    targetPkgs = pkgs: (
+      with pkgs; [
+        ncurses5
+        zlib
+        libuuid
+        xorg.libSM
+        xorg.libICE
+        xorg.libXrender
+        xorg.libX11
+        xorg.libXext
+        xorg.libXtst
+        xorg.libXi
+      ] ++ ( if pkgs ? libxcrypt-legacy then [ pkgs.libxcrypt-legacy ] else [])
+    );
+    profile = "source ${vivadoPath}/settings64.sh";
+    runScript = "vivado";
+  };
+  migen = pkgs.python3Packages.buildPythonPackage {
+    pname = "migen";
+    version = "unstable-2021-12-16";
+    src = pkgs.fetchFromGitHub {
+      owner = "m-labs";
+      repo = "migen";
+      rev = "ac703010eaa06ac9b6e32f97c6fa98b15de22b31";
+      sha256 = "sha256-qpVj/yJf4hDDc99XXpVPH4EbLC8aCmEtACn5qNc3DGI=";
+    };
+    propagatedBuildInputs = with pkgs.python3Packages; [ colorama ];
+  };
+  asyncserial = pkgs.python3Packages.buildPythonPackage {
+    pname = "asyncserial";
+    version = "0.1";
+    src = pkgs.fetchFromGitHub {
+      owner = "m-labs";
+      repo = "asyncserial";
+      rev = "d95bc1d6c791b0e9785935d2f62f628eb5cdf98d";
+      sha256 = "0yzkka9jk3612v8gx748x6ziwykq5lr7zmr9wzkcls0v2yilqx9k";
+    };
+    propagatedBuildInputs = with pkgs.python3Packages; [ pyserial ];
+  };
+  misoc = pkgs.python3Packages.buildPythonPackage {
+    pname = "misoc";
+    version = "unstable-2021-10-10";
+    src = pkgs.fetchFromGitHub {
+      owner = "m-labs";
+      repo = "misoc";
+      rev = "f5203e406520874e15ab5d070058ef642fc57fd9";
+      sha256 = "sha256-/2XTejqj0Bo81HaTrlTSWwInnWwsuqnq+CURXbpIrkA=";
+      fetchSubmodules = true;
+    };
+    # TODO: fix misoc bitrot and re-enable tests
+    doCheck = false;
+    propagatedBuildInputs = with pkgs.python3Packages; [ pyserial jinja2 numpy asyncserial migen ];
+  };
+}
diff --git a/gluelogic/ise.nix b/gluelogic/ise.nix
deleted file mode 100644
index 7633f3a..0000000
--- a/gluelogic/ise.nix
+++ /dev/null
@@ -1,31 +0,0 @@
-# Install ISE in /opt and add to /etc/nixos/configuration.nix:
-#  nix.sandboxPaths = ["/opt"];
-
-{ pkgs, isePath ? "/opt/Xilinx/14.7/ISE_DS" }:
-
-let
-  makeXilinxEnv = name: pkgs.buildFHSUserEnv {
-    inherit name;
-    targetPkgs = pkgs: (
-      with pkgs; [
-        ncurses5
-        zlib
-        libuuid
-        xorg.libSM
-        xorg.libICE
-        xorg.libXrender
-        xorg.libX11
-        xorg.libXext
-        xorg.libXtst
-        xorg.libXi
-      ]
-    );
-    profile = 
-      ''
-      source ${isePath}/common/.settings64.sh ${isePath}/common
-      source ${isePath}/ISE/.settings64.sh ${isePath}/ISE
-      '';
-    runScript = name;
-  };
-in
-  pkgs.lib.attrsets.genAttrs ["xst" "ngdbuild" "cpldfit" "taengine" "hprep6"] makeXilinxEnv