diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index ad6b1c084fe3..7d1a535f9fe7 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -772,6 +772,7 @@ config LOWMEM_CAM_NUM_BOOL
 	  Say N here unless you know what you are doing.
 
 config LOWMEM_CAM_NUM
+	depends on FSL_BOOKE
 	int "Number of CAMs to use to map low memory" if LOWMEM_CAM_NUM_BOOL
 	default 3