[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/arch/arm/plat-versatile/headsmp.S b/src/kernel/linux/v4.14/arch/arm/plat-versatile/headsmp.S
new file mode 100644
index 0000000..40f27e5
--- /dev/null
+++ b/src/kernel/linux/v4.14/arch/arm/plat-versatile/headsmp.S
@@ -0,0 +1,41 @@
+/*
+ * linux/arch/arm/plat-versatile/headsmp.S
+ *
+ * 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>
+#include <asm/assembler.h>
+
+/*
+ * Realview/Versatile Express specific entry point for secondary CPUs.
+ * This provides a "holding pen" into which all secondary cores are held
+ * until we're ready for them to initialise.
+ */
+ENTRY(versatile_secondary_startup)
+ ARM_BE8(setend be)
+ mrc p15, 0, r0, c0, c0, 5
+ bic r0, #0xff000000
+ adr r4, 1f
+ ldmia r4, {r5, r6}
+ sub r4, r4, r5
+ add r6, r6, r4
+pen: ldr r7, [r6]
+ cmp r7, r0
+ bne pen
+
+ /*
+ * we've been released from the holding pen: secondary_stack
+ * should now contain the SVC stack for this core
+ */
+ b secondary_startup
+
+ .align
+1: .long .
+ .long pen_release
+ENDPROC(versatile_secondary_startup)