diff --git a/flake.lock b/flake.lock
index 68d6c7de..cc45d3eb 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,5 +1,21 @@
 {
   "nodes": {
+    "c4m-jtag": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1619101523,
+        "narHash": "sha256-y1OY8URcE1lnu5L7IDFcJ8zT8sqlrfMP9VPNmVvACGk=",
+        "ref": "master",
+        "rev": "c2bf4810f9f91ced7fcda777b92b86ab353da288",
+        "revCount": 146,
+        "type": "git",
+        "url": "https://git.libre-soc.org/git/c4m-jtag.git"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://git.libre-soc.org/git/c4m-jtag.git"
+      }
+    },
     "flake-utils": {
       "inputs": {
         "systems": [
@@ -20,18 +36,75 @@
         "type": "github"
       }
     },
+    "libre-soc": {
+      "inputs": {
+        "c4m-jtag": "c4m-jtag",
+        "migen": "migen",
+        "nix-litex": "nix-litex",
+        "nixpkgs": "nixpkgs",
+        "nmigen": "nmigen",
+        "nmigen-soc": "nmigen-soc",
+        "yosys": "yosys"
+      },
+      "locked": {
+        "lastModified": 1699193920,
+        "narHash": "sha256-yJshQYf8V0CB2vPCmWLlnxXMhi/sPXiLKzOn6cqgmxw=",
+        "ref": "refs/heads/master",
+        "rev": "2a66fe18cd77dd5533c65930d1b241cf6faac455",
+        "revCount": 5784,
+        "type": "git",
+        "url": "https://git.libre-soc.org/git/soc.git"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://git.libre-soc.org/git/soc.git"
+      }
+    },
+    "migen": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1631614362,
+        "narHash": "sha256-BgYf4e7O/rbS5P1ZpDlcgCEUh2h2vK3FyHADdzyaMg0=",
+        "owner": "m-labs",
+        "repo": "migen",
+        "rev": "7bc4eb1387b39159a74c1dbd1b820728e0bfbbaa",
+        "type": "github"
+      },
+      "original": {
+        "owner": "m-labs",
+        "repo": "migen",
+        "type": "github"
+      }
+    },
+    "nix-litex": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1632150297,
+        "narHash": "sha256-ghlAJBZxLVkQB+9tXEOBOF1FfdT5Pn4292khF4iKCNA=",
+        "ref": "main",
+        "rev": "5ab6984eb1efad0c91d808c9b7b79e00e50ccc05",
+        "revCount": 31,
+        "type": "git",
+        "url": "https://git.sr.ht/~lschuermann/nix-litex"
+      },
+      "original": {
+        "ref": "main",
+        "type": "git",
+        "url": "https://git.sr.ht/~lschuermann/nix-litex"
+      }
+    },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1699034771,
-        "narHash": "sha256-S0iAvl1oETS6cVFP7aVNodY9eMnbaTtuypi0XiGXiLg=",
-        "owner": "NixOS",
+        "lastModified": 1631723418,
+        "narHash": "sha256-Sbey1S81fXUKcEHVCMwlXMju/IoCQxMwP1PPkVYpGrc=",
+        "owner": "L-as",
         "repo": "nixpkgs",
-        "rev": "27ead4fec31f241baed776d046b1dcac431a5919",
+        "rev": "8bfc1026477692b933df6eeec27bd494cac3e436",
         "type": "github"
       },
       "original": {
-        "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
+        "owner": "L-as",
+        "ref": "libresoc",
         "repo": "nixpkgs",
         "type": "github"
       }
@@ -52,10 +125,59 @@
         "type": "github"
       }
     },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1699034771,
+        "narHash": "sha256-S0iAvl1oETS6cVFP7aVNodY9eMnbaTtuypi0XiGXiLg=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "27ead4fec31f241baed776d046b1dcac431a5919",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nmigen": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1618220900,
+        "narHash": "sha256-Ol2SMZLUTikZWDLmK7F5lZuKBfGO71WmisATPNMTpHQ=",
+        "ref": "master",
+        "rev": "d824795c2c7cb43dcbc8ed8fac6d309d77284913",
+        "revCount": 1056,
+        "type": "git",
+        "url": "https://git.libre-soc.org/git/nmigen.git"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://git.libre-soc.org/git/nmigen.git"
+      }
+    },
+    "nmigen-soc": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1601572554,
+        "narHash": "sha256-v9SH+KuIPydXCr363RUsMg9/tabuu+GjKPJOKq2Jze0=",
+        "ref": "master",
+        "rev": "692017c7eaf21ff37302790c4422db6bd08667be",
+        "revCount": 48,
+        "type": "git",
+        "url": "https://git.libre-soc.org/git/nmigen-soc.git"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://git.libre-soc.org/git/nmigen-soc.git"
+      }
+    },
     "root": {
       "inputs": {
         "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs",
+        "libre-soc": "libre-soc",
+        "nixpkgs": "nixpkgs_2",
         "sops-nix": "sops-nix",
         "systems": "systems",
         "treefmt-nix": "treefmt-nix"
@@ -116,6 +238,23 @@
         "repo": "treefmt-nix",
         "type": "github"
       }
+    },
+    "yosys": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1617979565,
+        "narHash": "sha256-M8ppe+lL/pgd2sXh7bM6/sbk1099KKECeWA5mXtqE6Y=",
+        "owner": "YosysHQ",
+        "repo": "yosys",
+        "rev": "a58571d0fe8971cb7d3a619a31b2c21be6d75bac",
+        "type": "github"
+      },
+      "original": {
+        "owner": "YosysHQ",
+        "repo": "yosys",
+        "rev": "a58571d0fe8971cb7d3a619a31b2c21be6d75bac",
+        "type": "github"
+      }
     }
   },
   "root": "root",
diff --git a/flake.nix b/flake.nix
index 31d98cf4..f17a7daa 100644
--- a/flake.nix
+++ b/flake.nix
@@ -12,6 +12,7 @@
   inputs.treefmt-nix.inputs.nixpkgs.follows = "nixpkgs";
   inputs.sops-nix.url = "github:Mic92/sops-nix";
   inputs.sops-nix.inputs.nixpkgs.follows = "nixpkgs";
+  inputs.libre-soc.url = "git+https://git.libre-soc.org/git/soc.git";
 
   outputs = {
     self,
@@ -19,6 +20,7 @@
     flake-utils,
     treefmt-nix,
     sops-nix,
+    libre-soc,
     ...
   }:
     with builtins; let
@@ -52,7 +54,12 @@
           inherit (pkgs) lib;
           inherit callPackage;
         };
-        result = (import ./pkgs/by-name args) // (import ./pkgs args);
+        result =
+          (import ./pkgs/by-name args)
+          // (import ./pkgs args)
+          // {
+            soc = libre-soc.packages.${pkgs.system}.soc;
+          };
       in
         result;