diff --git a/board/freescale/mpc8544ds/init.S b/board/freescale/mpc8544ds/init.S
index 900c368..68ccba7 100644
--- a/board/freescale/mpc8544ds/init.S
+++ b/board/freescale/mpc8544ds/init.S
@@ -237,6 +237,6 @@
 
 	/* contains both PCIE3 MEM & IO space */
 	.long	(CFG_PCIE3_MEM_PHYS>>12) & 0xfffff
-	.long	LAWAR_EN | LAWAR_TRGT_PCIE3 | (LAWAR_SIZE & LAWAR_SIZE_2M)
+	.long	LAWAR_EN | LAWAR_TRGT_PCIE3 | (LAWAR_SIZE & LAWAR_SIZE_4M)
 4:
 	entry_end