diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 4d409e6a552d..f6ad0182df40 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -949,7 +949,7 @@ void __init debug_ll_io_init(void)
 	map.virtual &= PAGE_MASK;
 	map.length = PAGE_SIZE;
 	map.type = MT_DEVICE;
-	create_mapping(&map);
+	iotable_init(&map, 1);
 }
 #endif