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, 66 insertions, 0 deletions

diff --git a/kernel/arch/mips/kernel/mips_machine.c b/kernel/arch/mips/kernel/mips_machine.c
new file mode 100644
index 000000000..876097529
--- /dev/null
+++ b/kernel/arch/mips/kernel/mips_machine.c
@@ -0,0 +1,66 @@
+/*
+ *  Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
+ *
+ *  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/mm.h>
+#include <linux/string.h>
+#include <linux/slab.h>
+
+#include <asm/mips_machine.h>
+#include <asm/prom.h>
+
+static struct mips_machine *mips_machine __initdata;
+
+#define for_each_machine(mach) \
+	for ((mach) = (struct mips_machine *)&__mips_machines_start; \
+	     (mach) && \
+	     (unsigned long)(mach) < (unsigned long)&__mips_machines_end; \
+	     (mach)++)
+
+__init int mips_machtype_setup(char *id)
+{
+	struct mips_machine *mach;
+
+	for_each_machine(mach) {
+		if (mach->mach_id == NULL)
+			continue;
+
+		if (strcmp(mach->mach_id, id) == 0) {
+			mips_machtype = mach->mach_type;
+			return 0;
+		}
+	}
+
+	pr_err("MIPS: no machine found for id '%s', supported machines:\n", id);
+	pr_err("%-24s %s\n", "id", "name");
+	for_each_machine(mach)
+		pr_err("%-24s %s\n", mach->mach_id, mach->mach_name);
+
+	return 1;
+}
+
+__setup("machtype=", mips_machtype_setup);
+
+__init void mips_machine_setup(void)
+{
+	struct mips_machine *mach;
+
+	for_each_machine(mach) {
+		if (mips_machtype == mach->mach_type) {
+			mips_machine = mach;
+			break;
+		}
+	}
+
+	if (!mips_machine)
+		return;
+
+	mips_set_machine_name(mips_machine->mach_name);
+
+	if (mips_machine->mach_setup)
+		mips_machine->mach_setup();
+}