diff --git a/.gitmodules b/.gitmodules
index 1b7fe8cab389269a816f32dc75761f50d0f89d55..b55fa77e13c4386d25e03d82ed332204e0e93b88 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7,3 +7,6 @@
 [submodule "hdl/ip_cores/vme64x-core"]
 	path = hdl/ip_cores/vme64x-core
 	url = git://ohwr.org/hdl-core-lib/vme64x-core.git
+[submodule "hdl/ip_cores/gn4124-core"]
+	path = hdl/ip_cores/gn4124-core
+	url = git://ohwr.org/hdl-core-lib/gn4124-core.git
diff --git a/hdl/ip_cores/gn4124-core b/hdl/ip_cores/gn4124-core
new file mode 160000
index 0000000000000000000000000000000000000000..f26b97a564b43c8119ef7dd8e156088ab9346390
--- /dev/null
+++ b/hdl/ip_cores/gn4124-core
@@ -0,0 +1 @@
+Subproject commit f26b97a564b43c8119ef7dd8e156088ab9346390