Add the rt linux 4.1.3-rt3 as base

Import the rt linux 4.1.3-rt3 as OPNFV kvm base.

It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:

commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date:   Sat Jul 25 12:13:34 2015 +0200

    Prepare v4.1.3-rt3

    Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>

We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.

Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>

1 files changed, 35 insertions, 0 deletions

diff --git a/kernel/arch/arm/mach-spear/restart.c b/kernel/arch/arm/mach-spear/restart.c
new file mode 100644
index 000000000..ce5e098c4
--- /dev/null
+++ b/kernel/arch/arm/mach-spear/restart.c
@@ -0,0 +1,35 @@
+/*
+ * arch/arm/plat-spear/restart.c
+ *
+ * SPEAr platform specific restart functions
+ *
+ * Copyright (C) 2009 ST Microelectronics
+ * Viresh Kumar <viresh.linux@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+#include <linux/io.h>
+#include <linux/amba/sp810.h>
+#include <linux/reboot.h>
+#include <asm/system_misc.h>
+#include <mach/spear.h>
+#include "generic.h"
+
+#define SPEAR13XX_SYS_SW_RES			(VA_MISC_BASE + 0x204)
+void spear_restart(enum reboot_mode mode, const char *cmd)
+{
+	if (mode == REBOOT_SOFT) {
+		/* software reset, Jump into ROM at address 0 */
+		soft_restart(0);
+	} else {
+		/* hardware reset, Use on-chip reset capability */
+#ifdef CONFIG_ARCH_SPEAR13XX
+		writel_relaxed(0x01, SPEAR13XX_SYS_SW_RES);
+#endif
+#if defined(CONFIG_ARCH_SPEAR3XX) || defined(CONFIG_ARCH_SPEAR6XX)
+		sysctl_soft_reset((void __iomem *)VA_SPEAR_SYS_CTRL_BASE);
+#endif
+	}
+}