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, 188 insertions, 0 deletions

diff --git a/kernel/arch/arm/mach-clps711x/board-edb7211.c b/kernel/arch/arm/mach-clps711x/board-edb7211.c
new file mode 100644
index 000000000..f33979784
--- /dev/null
+++ b/kernel/arch/arm/mach-clps711x/board-edb7211.c
@@ -0,0 +1,188 @@
+/*
+ *  Copyright (C) 2000, 2001 Blue Mug, Inc.  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 as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/init.h>
+#include <linux/gpio.h>
+#include <linux/delay.h>
+#include <linux/memblock.h>
+#include <linux/types.h>
+#include <linux/i2c-gpio.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/pwm.h>
+#include <linux/pwm_backlight.h>
+#include <linux/memblock.h>
+
+#include <linux/mtd/physmap.h>
+#include <linux/mtd/partitions.h>
+
+#include <asm/setup.h>
+#include <asm/mach/map.h>
+#include <asm/mach/arch.h>
+#include <asm/mach-types.h>
+
+#include <video/platform_lcd.h>
+
+#include <mach/hardware.h>
+
+#include "common.h"
+#include "devices.h"
+
+#define VIDEORAM_SIZE		SZ_128K
+
+#define EDB7211_LCD_DC_DC_EN	CLPS711X_GPIO(3, 1)
+#define EDB7211_LCDEN		CLPS711X_GPIO(3, 2)
+#define EDB7211_LCDBL		CLPS711X_GPIO(3, 3)
+
+#define EDB7211_I2C_SDA		CLPS711X_GPIO(3, 4)
+#define EDB7211_I2C_SCL		CLPS711X_GPIO(3, 5)
+
+#define EDB7211_FLASH0_BASE	(CS0_PHYS_BASE)
+#define EDB7211_FLASH1_BASE	(CS1_PHYS_BASE)
+
+#define EDB7211_CS8900_BASE	(CS2_PHYS_BASE + 0x300)
+#define EDB7211_CS8900_IRQ	(IRQ_EINT3)
+
+/* The extra 8 lines of the keyboard matrix */
+#define EDB7211_EXTKBD_BASE	(CS3_PHYS_BASE)
+
+static struct i2c_gpio_platform_data edb7211_i2c_pdata __initdata = {
+	.sda_pin	= EDB7211_I2C_SDA,
+	.scl_pin	= EDB7211_I2C_SCL,
+	.scl_is_output_only = 1,
+};
+
+static struct resource edb7211_cs8900_resource[] __initdata = {
+	DEFINE_RES_MEM(EDB7211_CS8900_BASE, SZ_1K),
+	DEFINE_RES_IRQ(EDB7211_CS8900_IRQ),
+};
+
+static struct mtd_partition edb7211_flash_partitions[] __initdata = {
+	{
+		.name	= "Flash",
+		.offset	= 0,
+		.size	= MTDPART_SIZ_FULL,
+	},
+};
+
+static struct physmap_flash_data edb7211_flash_pdata __initdata = {
+	.width		= 4,
+	.parts		= edb7211_flash_partitions,
+	.nr_parts	= ARRAY_SIZE(edb7211_flash_partitions),
+};
+
+static struct resource edb7211_flash_resources[] __initdata = {
+	DEFINE_RES_MEM(EDB7211_FLASH0_BASE, SZ_8M),
+	DEFINE_RES_MEM(EDB7211_FLASH1_BASE, SZ_8M),
+};
+
+static struct platform_device edb7211_flash_pdev __initdata = {
+	.name		= "physmap-flash",
+	.id		= 0,
+	.resource	= edb7211_flash_resources,
+	.num_resources	= ARRAY_SIZE(edb7211_flash_resources),
+	.dev	= {
+		.platform_data	= &edb7211_flash_pdata,
+	},
+};
+
+static void edb7211_lcd_power_set(struct plat_lcd_data *pd, unsigned int power)
+{
+	if (power) {
+		gpio_set_value(EDB7211_LCDEN, 1);
+		udelay(100);
+		gpio_set_value(EDB7211_LCD_DC_DC_EN, 1);
+	} else {
+		gpio_set_value(EDB7211_LCD_DC_DC_EN, 0);
+		udelay(100);
+		gpio_set_value(EDB7211_LCDEN, 0);
+	}
+}
+
+static struct plat_lcd_data edb7211_lcd_power_pdata = {
+	.set_power	= edb7211_lcd_power_set,
+};
+
+static struct pwm_lookup edb7211_pwm_lookup[] = {
+	PWM_LOOKUP("clps711x-pwm", 0, "pwm-backlight.0", NULL,
+		   0, PWM_POLARITY_NORMAL),
+};
+
+static struct platform_pwm_backlight_data pwm_bl_pdata = {
+	.dft_brightness	= 0x01,
+	.max_brightness	= 0x0f,
+	.enable_gpio	= EDB7211_LCDBL,
+};
+
+static struct resource clps711x_pwm_res =
+	DEFINE_RES_MEM(CLPS711X_PHYS_BASE + PMPCON, SZ_4);
+
+static struct gpio edb7211_gpios[] __initconst = {
+	{ EDB7211_LCD_DC_DC_EN,	GPIOF_OUT_INIT_LOW,	"LCD DC-DC" },
+	{ EDB7211_LCDEN,	GPIOF_OUT_INIT_LOW,	"LCD POWER" },
+};
+
+/* Reserve screen memory region at the start of main system memory. */
+static void __init edb7211_reserve(void)
+{
+	memblock_reserve(PHYS_OFFSET, VIDEORAM_SIZE);
+}
+
+static void __init
+fixup_edb7211(struct tag *tags, char **cmdline)
+{
+	/*
+	 * Bank start addresses are not present in the information
+	 * passed in from the boot loader.  We could potentially
+	 * detect them, but instead we hard-code them.
+	 *
+	 * Banks sizes _are_ present in the param block, but we're
+	 * not using that information yet.
+	 */
+	memblock_add(0xc0000000, SZ_8M);
+	memblock_add(0xc1000000, SZ_8M);
+}
+
+static void __init edb7211_init_late(void)
+{
+	gpio_request_array(edb7211_gpios, ARRAY_SIZE(edb7211_gpios));
+
+	platform_device_register(&edb7211_flash_pdev);
+
+	platform_device_register_data(NULL, "platform-lcd", 0,
+				      &edb7211_lcd_power_pdata,
+				      sizeof(edb7211_lcd_power_pdata));
+
+	platform_device_register_simple("clps711x-pwm", PLATFORM_DEVID_NONE,
+					&clps711x_pwm_res, 1);
+	pwm_add_table(edb7211_pwm_lookup, ARRAY_SIZE(edb7211_pwm_lookup));
+
+	platform_device_register_data(&platform_bus, "pwm-backlight", 0,
+				      &pwm_bl_pdata, sizeof(pwm_bl_pdata));
+
+	platform_device_register_simple("video-clps711x", 0, NULL, 0);
+	platform_device_register_simple("cs89x0", 0, edb7211_cs8900_resource,
+					ARRAY_SIZE(edb7211_cs8900_resource));
+	platform_device_register_data(NULL, "i2c-gpio", 0,
+				      &edb7211_i2c_pdata,
+				      sizeof(edb7211_i2c_pdata));
+}
+
+MACHINE_START(EDB7211, "CL-EDB7211 (EP7211 eval board)")
+	/* Maintainer: Jon McClintock */
+	.atag_offset	= VIDEORAM_SIZE + 0x100,
+	.fixup		= fixup_edb7211,
+	.reserve	= edb7211_reserve,
+	.map_io		= clps711x_map_io,
+	.init_irq	= clps711x_init_irq,
+	.init_time	= clps711x_timer_init,
+	.init_machine	= clps711x_devices_init,
+	.init_late	= edb7211_init_late,
+	.restart	= clps711x_restart,
+MACHINE_END