diff --git a/.gitmodules b/.gitmodules
index 749780d..306eeca 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "docopt.cpp"]
 	path = third_party/docopt.cpp
 	url = https://github.com/docopt/docopt.cpp.git
+[submodule "third_party/fpga-config-space"]
+	path = third_party/fpga-config-space
+	url = https://ohwr.org/project/fpga-config-space.git
diff --git a/third_party/fpga-config-space b/third_party/fpga-config-space
new file mode 160000
index 0000000..510d4f0
--- /dev/null
+++ b/third_party/fpga-config-space
@@ -0,0 +1 @@
+Subproject commit 510d4f06549f4be15015257fc32b383fff3c46be
diff --git a/third_party/meson.build b/third_party/meson.build
index c307f74..c6c2b06 100644
--- a/third_party/meson.build
+++ b/third_party/meson.build
@@ -1,3 +1,11 @@
 docopt_lib = static_library('docopt', 'docopt.cpp/docopt.cpp')
 docopt_inc = include_directories('docopt.cpp')
 docopt = declare_dependency(link_with: docopt_lib, include_directories: docopt_inc)
+
+sdbfs_inc = include_directories(['sdbfs/lib', 'sdbfs/include/linux'])
+sdbfs_lib = static_library(
+  'sdbfs',
+  ['sdbfs/lib/access.c', 'sdbfs/lib/glue.c'],
+  include_directories: sdbfs_inc
+)
+sdbfs = declare_dependency(link_with: sdbfs_lib, include_directories: sdbfs_inc)
diff --git a/third_party/sdbfs b/third_party/sdbfs
new file mode 120000
index 0000000..f4c098e
--- /dev/null
+++ b/third_party/sdbfs
@@ -0,0 +1 @@
+fpga-config-space/sdbfs
\ No newline at end of file