diff --git a/src/drivers/intel/gma/i915.h b/src/drivers/intel/gma/i915.h
index a4ae306..0ddb2de 100644
--- a/src/drivers/intel/gma/i915.h
+++ b/src/drivers/intel/gma/i915.h
@@ -107,7 +107,4 @@
 generate_fake_intel_oprom(const struct i915_gpu_controller_info *conf,
 			  struct device *dev, const char *idstr);
 
-/* interface to libgfxinit (gma.adb) */
-void gma_gfxinit(u64 mmio_base, u64 linear_fb, u32 phys_fb, int *success);
-
 #endif
diff --git a/src/drivers/intel/gma/libgfxinit.h b/src/drivers/intel/gma/libgfxinit.h
new file mode 100644
index 0000000..9b28f80
--- /dev/null
+++ b/src/drivers/intel/gma/libgfxinit.h
@@ -0,0 +1,19 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef DRIVERS_INTEL_GMA_LIBGFXINIT_H
+#define DRIVERS_INTEL_GMA_LIBGFXINIT_H
+
+void gma_gfxinit(u64 mmio_base, u64 linear_fb, u32 phys_fb, int *success);
+
+#endif
diff --git a/src/northbridge/intel/haswell/gma.c b/src/northbridge/intel/haswell/gma.c
index a7b61e2..535a7f0 100644
--- a/src/northbridge/intel/haswell/gma.c
+++ b/src/northbridge/intel/haswell/gma.c
@@ -23,6 +23,7 @@
 #include <device/pci_ids.h>
 #include <drivers/intel/gma/i915_reg.h>
 #include <drivers/intel/gma/i915.h>
+#include <drivers/intel/gma/libgfxinit.h>
 #include <cpu/intel/haswell/haswell.h>
 #include <drivers/intel/gma/opregion.h>
 #include <southbridge/intel/lynxpoint/nvs.h>
diff --git a/src/northbridge/intel/nehalem/gma.c b/src/northbridge/intel/nehalem/gma.c
index b50460c..591a2d6 100644
--- a/src/northbridge/intel/nehalem/gma.c
+++ b/src/northbridge/intel/nehalem/gma.c
@@ -27,6 +27,7 @@
 #include <drivers/intel/gma/edid.h>
 #include <drivers/intel/gma/i915.h>
 #include <drivers/intel/gma/intel_bios.h>
+#include <drivers/intel/gma/libgfxinit.h>
 #include <pc80/vga.h>
 #include <pc80/vga_io.h>
 #include <southbridge/intel/ibexpeak/nvs.h>
diff --git a/src/northbridge/intel/sandybridge/gma.c b/src/northbridge/intel/sandybridge/gma.c
index 25c9ea9..4cda965 100644
--- a/src/northbridge/intel/sandybridge/gma.c
+++ b/src/northbridge/intel/sandybridge/gma.c
@@ -24,6 +24,7 @@
 #include <device/pci_ops.h>
 #include <cpu/x86/msr.h>
 #include <cpu/x86/mtrr.h>
+#include <drivers/intel/gma/libgfxinit.h>
 #include <southbridge/intel/bd82x6x/nvs.h>
 #include <drivers/intel/gma/opregion.h>
 #include <cbmem.h>