Index: boot/arch/sparc64/Makefile.inc
===================================================================
--- boot/arch/sparc64/Makefile.inc	(revision 92d527934c107572588c84ad69326f27e7972edc)
+++ boot/arch/sparc64/Makefile.inc	(revision 6c34be69eef6e892de7663ec0a2bacb932d8c72d)
@@ -39,4 +39,8 @@
 EXTRA_CFLAGS = -mcpu=ultrasparc -m64 -mno-fpu -mcmodel=medlow
 
+RD_DRVS_ESSENTIAL += \
+	platform/sun4u \
+	bus/pci/pciintel
+
 RD_SRVS_NON_ESSENTIAL +=
 
Index: uspace/Makefile
===================================================================
--- uspace/Makefile	(revision 92d527934c107572588c84ad69326f27e7972edc)
+++ uspace/Makefile	(revision 6c34be69eef6e892de7663ec0a2bacb932d8c72d)
@@ -202,4 +202,9 @@
 	DIRS += \
 		srv/hw/irc/obio
+ifeq ($(MACHINE),generic)
+	DIRS += \
+		drv/platform/sun4u \
+		drv/bus/pci/pciintel
+endif
 endif