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, 64 insertions, 0 deletions

diff --git a/kernel/arch/arm/mach-tegra/io.c b/kernel/arch/arm/mach-tegra/io.c
new file mode 100644
index 000000000..352de159d
--- /dev/null
+++ b/kernel/arch/arm/mach-tegra/io.c
@@ -0,0 +1,64 @@
+/*
+ * arch/arm/mach-tegra/io.c
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ *	Colin Cross <ccross@google.com>
+ *	Erik Gilling <konkers@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+
+#include <asm/mach/map.h>
+#include <asm/page.h>
+
+#include "board.h"
+#include "iomap.h"
+
+static struct map_desc tegra_io_desc[] __initdata = {
+	{
+		.virtual = (unsigned long)IO_PPSB_VIRT,
+		.pfn = __phys_to_pfn(IO_PPSB_PHYS),
+		.length = IO_PPSB_SIZE,
+		.type = MT_DEVICE,
+	},
+	{
+		.virtual = (unsigned long)IO_APB_VIRT,
+		.pfn = __phys_to_pfn(IO_APB_PHYS),
+		.length = IO_APB_SIZE,
+		.type = MT_DEVICE,
+	},
+	{
+		.virtual = (unsigned long)IO_CPU_VIRT,
+		.pfn = __phys_to_pfn(IO_CPU_PHYS),
+		.length = IO_CPU_SIZE,
+		.type = MT_DEVICE,
+	},
+	{
+		.virtual = (unsigned long)IO_IRAM_VIRT,
+		.pfn = __phys_to_pfn(IO_IRAM_PHYS),
+		.length = IO_IRAM_SIZE,
+		.type = MT_DEVICE,
+	},
+};
+
+void __init tegra_map_common_io(void)
+{
+	debug_ll_io_init();
+	iotable_init(tegra_io_desc, ARRAY_SIZE(tegra_io_desc));
+}