diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 992f98361e5a763ab9c1bf85ff4e4c16a0c792f5..002cf4c56ebfd28b92fd16b1a8dc02b635cbf3bb 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1587,12 +1587,14 @@ config CPU_BMIPS4350
 
 config CPU_BMIPS4380
 	bool
+	select MIPS_L1_CACHE_SHIFT_6
 	select SYS_SUPPORTS_SMP
 	select SYS_SUPPORTS_HOTPLUG_CPU
 
 config CPU_BMIPS5000
 	bool
 	select MIPS_CPU_SCACHE
+	select MIPS_L1_CACHE_SHIFT_7
 	select SYS_SUPPORTS_SMP
 	select SYS_SUPPORTS_HOTPLUG_CPU