Index: boot/arch/ppc32/Makefile.inc
===================================================================
--- boot/arch/ppc32/Makefile.inc	(revision 70922c299ca7e34c75aac043336fd7df8dc71581)
+++ boot/arch/ppc32/Makefile.inc	(revision 5b9d2a35316c72a0de3c43192224fbfcf4390214)
@@ -44,5 +44,12 @@
 RD_DRVS += \
 	infrastructure/rootmac \
-	bus/pci/pciintel
+	bus/pci/pciintel \
+	bus/usb/ohci \
+	bus/usb/usbflbk \
+	bus/usb/usbhub \
+	bus/usb/usbhid \
+	bus/usb/usbmast \
+	bus/usb/usbmid \
+	bus/usb/vhc
 
 SOURCES = \