diff --git a/arch/xtensa/Makefile b/arch/xtensa/Makefile
index 8f97a86..d0a8ba4 100644
--- a/arch/xtensa/Makefile
+++ b/arch/xtensa/Makefile
@@ -25,6 +25,7 @@
 
 platform-$(CONFIG_XTENSA_PLATFORM_XT2000)	:= xt2000
 platform-$(CONFIG_XTENSA_PLATFORM_ISS)		:= iss
+platform-$(CONFIG_XTENSA_PLATFORM_S6105)	:= s6105
 
 PLATFORM = $(platform-y)
 export PLATFORM