diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index 3a74ed6..c43eb0d 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -18,7 +18,11 @@
 isa-$(CONFIG_CPU_SH4A)			:= sh4a
 isa-$(CONFIG_CPU_SH4AL_DSP)		:= sh4al
 isa-$(CONFIG_CPU_SH5)			:= shmedia
+
+ifeq ($(CONFIG_SUPERH32),y)
 isa-$(CONFIG_SH_DSP)			:= $(isa-y)-dsp
+isa-y					:= $(isa-y)-up
+endif
 
 cflags-$(CONFIG_CPU_SH2)		:= $(call cc-option,-m2,)
 cflags-$(CONFIG_CPU_SH2A)		+= $(call cc-option,-m2a,) \