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diff --git a/arch/arm/mach-oxnas/headsmp.S b/arch/arm/mach-oxnas/headsmp.S
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+/*
+ * Copyright (C) 2013 Ma Haijun <mahaijuns@gmail.com>
+ * Copyright (c) 2003 ARM Limited
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/linkage.h>
+#include <linux/init.h>
+
+ __INIT
+
+/*
+ * OX820 specific entry point for secondary CPUs.
+ */
+ENTRY(ox820_secondary_startup)
+ mov r4, #0
+ /* invalidate both caches and branch target cache */
+ mcr p15, 0, r4, c7, c7, 0
+ /*
+ * we've been released from the holding pen: secondary_stack
+ * should now contain the SVC stack for this core
+ */
+ b secondary_startup