diff --git a/common/Makefile.inc b/common/Makefile.inc
new file mode 100644
index 0000000..8855e8a
--- /dev/null
+++ b/common/Makefile.inc
@@ -0,0 +1,57 @@
+gfxinit-y += hw-gfx-dp_aux_ch.adb
+gfxinit-y += hw-gfx-dp_aux_ch.ads
+gfxinit-y += hw-gfx-dp_defs.ads
+gfxinit-y += hw-gfx-dp_info.adb
+gfxinit-y += hw-gfx-dp_info.ads
+gfxinit-y += hw-gfx-dp_training.adb
+gfxinit-y += hw-gfx-dp_training.ads
+gfxinit-y += hw-gfx-edid.adb
+gfxinit-y += hw-gfx-edid.ads
+gfxinit-y += hw-gfx-gma-connector_info.adb
+gfxinit-y += hw-gfx-gma-connector_info.ads
+gfxinit-y += hw-gfx-gma-connectors.ads
+gfxinit-y += hw-gfx-gma-dp_aux_ch.ads
+gfxinit-y += hw-gfx-gma-dp_aux_request.adb
+gfxinit-y += hw-gfx-gma-dp_aux_request.ads
+gfxinit-y += hw-gfx-gma-dp_info.ads
+gfxinit-y += hw-gfx-gma-i2c.adb
+gfxinit-y += hw-gfx-gma-i2c.ads
+gfxinit-y += hw-gfx-gma-panel.adb
+gfxinit-y += hw-gfx-gma-panel.ads
+gfxinit-y += hw-gfx-gma-pch-fdi.adb
+gfxinit-y += hw-gfx-gma-pch-fdi.ads
+gfxinit-y += hw-gfx-gma-pch-sideband.adb
+gfxinit-y += hw-gfx-gma-pch-sideband.ads
+gfxinit-y += hw-gfx-gma-pch-transcoder.adb
+gfxinit-y += hw-gfx-gma-pch-transcoder.ads
+gfxinit-y += hw-gfx-gma-pch-vga.adb
+gfxinit-y += hw-gfx-gma-pch-vga.ads
+gfxinit-y += hw-gfx-gma-pch.ads
+gfxinit-y += hw-gfx-gma-pipe_setup.adb
+gfxinit-y += hw-gfx-gma-pipe_setup.ads
+gfxinit-y += hw-gfx-gma-port_detect.ads
+gfxinit-y += hw-gfx-gma-registers.adb
+gfxinit-y += hw-gfx-gma-registers.ads
+gfxinit-y += hw-gfx-gma.adb
+gfxinit-y += hw-gfx-gma.ads
+gfxinit-y += hw-gfx-i2c.ads
+gfxinit-y += hw-gfx.ads
+gfxinit-$(CONFIG_HWBASE_DYNAMIC_MMIO) += hw-gfx-framebuffer_filler.adb
+gfxinit-$(CONFIG_HWBASE_DYNAMIC_MMIO) += hw-gfx-framebuffer_filler.ads
+
+$(call src-to-obj,,$(dir)/hw-gfx-gma-config).ads: $(dir)/hw-gfx-gma-config.ads.template $(cnf)
+	printf "    GENERATE   $(patsubst /%,%,$(subst $(obj)/,,$@))\n"
+	sed -e's/<<CPU>>/$(CONFIG_GFX_GMA_CPU)/' \
+	    -e's/<<CPU_VARIANT>>/$(CONFIG_GFX_GMA_CPU_VARIANT)/' \
+	    -e's/<<INTERNAL_PORT>>/$(CONFIG_GFX_GMA_INTERNAL_PORT)/' \
+	    -e's/<<DEFAULT_MMIO_BASE>>/$(CONFIG_GFX_GMA_DEFAULT_MMIO)/' \
+	    $< >$@
+gfxinit-gen-y += $(call src-to-obj,,$(dir)/hw-gfx-gma-config).ads
+
+ifneq ($(filter Ironlake Sandybridge Ivybridge,$(CONFIG_GFX_GMA_CPU)),)
+subdirs-y += ironlake
+else ifneq ($(filter Haswell Broadwell,$(CONFIG_GFX_GMA_CPU)),)
+subdirs-y += haswell_shared haswell
+else
+subdirs-y += haswell_shared skylake
+endif