--- kernel-2.6.27.orig/arch/arm/mach-omap1/Makefile
+++ kernel-2.6.27/arch/arm/mach-omap1/Makefile
@@ -13,6 +13,12 @@
 # Power Management
 obj-$(CONFIG_PM) += pm.o sleep.o
 
+# DSP
+obj-$(CONFIG_OMAP_MMU_FWK)	+= mmu_mach.o
+obj-$(CONFIG_OMAP_MBOX_FWK)	+= mailbox_mach.o
+mailbox_mach-objs		:= mailbox.o
+mmu_mach-objs			:= mmu.o
+
 led-y := leds.o
 
 # Specific board support