diff --git a/arch/arm/lib/stack.c b/arch/arm/lib/stack.c
index 52d9f15298a..656084c7e51 100644
--- a/arch/arm/lib/stack.c
+++ b/arch/arm/lib/stack.c
@@ -45,5 +45,5 @@ static ulong get_sp(void)
 
 void arch_lmb_reserve(struct lmb *lmb)
 {
-	arch_lmb_reserve_generic(lmb, get_sp(), gd->ram_top, 4096);
+	arch_lmb_reserve_generic(lmb, get_sp(), gd->ram_top, 16384);
 }