diff --git a/cpu/mpc86xx/start.S b/cpu/mpc86xx/start.S
index 159f3e1..30e6047 100644
--- a/cpu/mpc86xx/start.S
+++ b/cpu/mpc86xx/start.S
@@ -202,8 +202,12 @@
 	mtmsr	0
 #endif
 
+	/* Invalidate BATs */
 	bl	invalidate_bats
 	sync
+	/* Invalidate all of TLB before MMU turn on */
+	bl      clear_tlbs
+	sync
 
 #ifdef CONFIG_SYS_L2
 	/* init the L2 cache */
@@ -275,7 +279,6 @@
 
 	/* setup the rest of the bats */
 	bl      setup_bats
-	bl      clear_tlbs
 	sync
 
 #if (CONFIG_SYS_CCSRBAR_DEFAULT != CONFIG_SYS_CCSRBAR)