diff --git a/arch/arm/src/armv7-a/cache.h b/arch/arm/src/armv7-a/cache.h
index 472283a632a..3a122d437cd 100644
--- a/arch/arm/src/armv7-a/cache.h
+++ b/arch/arm/src/armv7-a/cache.h
@@ -112,6 +112,22 @@ static inline void arch_invalidate_dcache_all(void)
 #endif
 }
 
+/************************************************************************************
+ * Name: arch_invalidate_icache
+ *
+ * Description:
+ *   Invalidate all instruction caches to PoU, also flushes branch target cache
+ *
+ * Input Parameters:
+ *   None
+ *
+ * Returned Value:
+ *   None
+ *
+ ************************************************************************************/
+
+#define arch_invalidate_icache() cp15_invalidate_icache()
+
 /****************************************************************************
  * Name: arch_clean_dcache
  *
diff --git a/configs b/configs
index c40cdae2405..d946874cfb6 160000
--- a/configs
+++ b/configs
@@ -1 +1 @@
-Subproject commit c40cdae24050d9bb5a131e5a946eb4f6b66ffa99
+Subproject commit d946874cfb6f0e50d3a8e9ec662529cd6801b860