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, 330 insertions, 0 deletions

diff --git a/kernel/arch/arm/mach-orion5x/ls-chl-setup.c b/kernel/arch/arm/mach-orion5x/ls-chl-setup.c
new file mode 100644
index 000000000..028ea038d
--- /dev/null
+++ b/kernel/arch/arm/mach-orion5x/ls-chl-setup.c
@@ -0,0 +1,330 @@
+/*
+ * arch/arm/mach-orion5x/ls-chl-setup.c
+ *
+ * Maintainer: Ash Hughes <ashley.hughes@blueyonder.co.uk>
+ *
+ * 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/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/leds.h>
+#include <linux/gpio_keys.h>
+#include <linux/gpio-fan.h>
+#include <linux/input.h>
+#include <linux/i2c.h>
+#include <linux/ata_platform.h>
+#include <linux/gpio.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <mach/orion5x.h>
+#include "common.h"
+#include "mpp.h"
+
+/*****************************************************************************
+ * Linkstation LS-CHL Info
+ ****************************************************************************/
+
+/*
+ * 256K NOR flash Device bus boot chip select
+ */
+
+#define LSCHL_NOR_BOOT_BASE	0xf4000000
+#define LSCHL_NOR_BOOT_SIZE	SZ_256K
+
+/*****************************************************************************
+ * 256KB NOR Flash on BOOT Device
+ ****************************************************************************/
+
+static struct physmap_flash_data lschl_nor_flash_data = {
+	.width = 1,
+};
+
+static struct resource lschl_nor_flash_resource = {
+	.flags	= IORESOURCE_MEM,
+	.start	= LSCHL_NOR_BOOT_BASE,
+	.end	= LSCHL_NOR_BOOT_BASE + LSCHL_NOR_BOOT_SIZE - 1,
+};
+
+static struct platform_device lschl_nor_flash = {
+	.name = "physmap-flash",
+	.id = 0,
+	.dev = {
+		.platform_data	= &lschl_nor_flash_data,
+	},
+	.num_resources = 1,
+	.resource = &lschl_nor_flash_resource,
+};
+
+/*****************************************************************************
+ * Ethernet
+ ****************************************************************************/
+
+static struct mv643xx_eth_platform_data lschl_eth_data = {
+	.phy_addr = MV643XX_ETH_PHY_ADDR(8),
+};
+
+/*****************************************************************************
+ * RTC 5C372a on I2C bus
+ ****************************************************************************/
+
+static struct i2c_board_info __initdata lschl_i2c_rtc = {
+	I2C_BOARD_INFO("rs5c372a", 0x32),
+};
+
+/*****************************************************************************
+ * LEDs attached to GPIO
+ ****************************************************************************/
+
+#define LSCHL_GPIO_LED_ALARM	2
+#define LSCHL_GPIO_LED_INFO	3
+#define LSCHL_GPIO_LED_FUNC	17
+#define LSCHL_GPIO_LED_PWR	0
+
+static struct gpio_led lschl_led_pins[] = {
+	{
+		.name = "alarm:red",
+		.gpio = LSCHL_GPIO_LED_ALARM,
+		.active_low = 1,
+	}, {
+		.name = "info:amber",
+		.gpio = LSCHL_GPIO_LED_INFO,
+		.active_low = 1,
+	}, {
+		.name = "func:blue:top",
+		.gpio = LSCHL_GPIO_LED_FUNC,
+		.active_low = 1,
+	}, {
+		.name = "power:blue:bottom",
+		.gpio = LSCHL_GPIO_LED_PWR,
+	},
+};
+
+static struct gpio_led_platform_data lschl_led_data = {
+	.leds = lschl_led_pins,
+	.num_leds = ARRAY_SIZE(lschl_led_pins),
+};
+
+static struct platform_device lschl_leds = {
+	.name = "leds-gpio",
+	.id = -1,
+	.dev = {
+		.platform_data = &lschl_led_data,
+	},
+};
+
+/*****************************************************************************
+ * SATA
+ ****************************************************************************/
+static struct mv_sata_platform_data lschl_sata_data = {
+	.n_ports = 2,
+};
+
+/*****************************************************************************
+ * LS-CHL specific power off method: reboot
+ ****************************************************************************/
+/*
+ * On the LS-CHL, the shutdown process is following:
+ * - Userland monitors key events until the power switch goes to off position
+ * - The board reboots
+ * - U-boot starts and goes into an idle mode waiting for the user
+ *   to move the switch to ON position
+ *
+ */
+
+static void lschl_power_off(void)
+{
+	orion5x_restart(REBOOT_HARD, NULL);
+}
+
+/*****************************************************************************
+ * General Setup
+ ****************************************************************************/
+#define LSCHL_GPIO_USB_POWER	9
+#define LSCHL_GPIO_AUTO_POWER	17
+#define LSCHL_GPIO_POWER	18
+
+/****************************************************************************
+ * GPIO Attached Keys
+ ****************************************************************************/
+#define LSCHL_GPIO_KEY_FUNC		15
+#define LSCHL_GPIO_KEY_POWER		8
+#define LSCHL_GPIO_KEY_AUTOPOWER	10
+#define LSCHL_SW_POWER		0x00
+#define LSCHL_SW_AUTOPOWER	0x01
+#define LSCHL_SW_FUNC		0x02
+
+static struct gpio_keys_button lschl_buttons[] = {
+	{
+		.type = EV_SW,
+		.code = LSCHL_SW_POWER,
+		.gpio = LSCHL_GPIO_KEY_POWER,
+		.desc = "Power-on Switch",
+		.active_low = 1,
+	}, {
+		.type = EV_SW,
+		.code = LSCHL_SW_AUTOPOWER,
+		.gpio = LSCHL_GPIO_KEY_AUTOPOWER,
+		.desc = "Power-auto Switch",
+		.active_low = 1,
+	}, {
+		.type = EV_SW,
+		.code = LSCHL_SW_FUNC,
+		.gpio = LSCHL_GPIO_KEY_FUNC,
+		.desc = "Function Switch",
+		.active_low = 1,
+	},
+};
+
+static struct gpio_keys_platform_data lschl_button_data = {
+	.buttons = lschl_buttons,
+	.nbuttons = ARRAY_SIZE(lschl_buttons),
+};
+
+static struct platform_device lschl_button_device = {
+	.name = "gpio-keys",
+	.id = -1,
+	.num_resources = 0,
+	.dev = {
+		.platform_data = &lschl_button_data,
+	},
+};
+
+#define LSCHL_GPIO_HDD_POWER	1
+
+/****************************************************************************
+ * GPIO Fan
+ ****************************************************************************/
+
+#define LSCHL_GPIO_FAN_LOW	16
+#define LSCHL_GPIO_FAN_HIGH	14
+#define LSCHL_GPIO_FAN_LOCK	6
+
+static struct gpio_fan_alarm lschl_alarm = {
+	.gpio = LSCHL_GPIO_FAN_LOCK,
+};
+
+static struct gpio_fan_speed lschl_speeds[] = {
+	{
+		.rpm = 0,
+		.ctrl_val = 3,
+	}, {
+		.rpm = 1500,
+		.ctrl_val = 2,
+	}, {
+		.rpm = 3250,
+		.ctrl_val = 1,
+	}, {
+		.rpm = 5000,
+		.ctrl_val = 0,
+	},
+};
+
+static int lschl_gpio_list[] = {
+	LSCHL_GPIO_FAN_HIGH, LSCHL_GPIO_FAN_LOW,
+};
+
+static struct gpio_fan_platform_data lschl_fan_data = {
+	.num_ctrl = ARRAY_SIZE(lschl_gpio_list),
+	.ctrl = lschl_gpio_list,
+	.alarm = &lschl_alarm,
+	.num_speed = ARRAY_SIZE(lschl_speeds),
+	.speed = lschl_speeds,
+};
+
+static struct platform_device lschl_fan_device = {
+	.name = "gpio-fan",
+	.id = -1,
+	.num_resources = 0,
+	.dev = {
+		.platform_data = &lschl_fan_data,
+	},
+};
+
+/****************************************************************************
+ * GPIO Data
+ ****************************************************************************/
+
+static unsigned int lschl_mpp_modes[] __initdata = {
+	MPP0_GPIO, /* LED POWER */
+	MPP1_GPIO, /* HDD POWER */
+	MPP2_GPIO, /* LED ALARM */
+	MPP3_GPIO, /* LED INFO */
+	MPP4_UNUSED,
+	MPP5_UNUSED,
+	MPP6_GPIO, /* FAN LOCK */
+	MPP7_GPIO, /* SW INIT */
+	MPP8_GPIO, /* SW POWER */
+	MPP9_GPIO, /* USB POWER */
+	MPP10_GPIO, /* SW AUTO POWER */
+	MPP11_UNUSED,
+	MPP12_UNUSED,
+	MPP13_UNUSED,
+	MPP14_GPIO, /* FAN HIGH */
+	MPP15_GPIO, /* SW FUNC */
+	MPP16_GPIO, /* FAN LOW */
+	MPP17_GPIO, /* LED FUNC */
+	MPP18_UNUSED,
+	MPP19_UNUSED,
+	0,
+};
+
+static void __init lschl_init(void)
+{
+	/*
+	 * Setup basic Orion functions. Needs to be called early.
+	 */
+	orion5x_init();
+
+	orion5x_mpp_conf(lschl_mpp_modes);
+
+	/*
+	 * Configure peripherals.
+	 */
+	orion5x_ehci0_init();
+	orion5x_ehci1_init();
+	orion5x_eth_init(&lschl_eth_data);
+	orion5x_i2c_init();
+	orion5x_sata_init(&lschl_sata_data);
+	orion5x_uart0_init();
+	orion5x_xor_init();
+
+	mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
+				    ORION_MBUS_DEVBUS_BOOT_ATTR,
+				    LSCHL_NOR_BOOT_BASE,
+				    LSCHL_NOR_BOOT_SIZE);
+	platform_device_register(&lschl_nor_flash);
+
+	platform_device_register(&lschl_leds);
+
+	platform_device_register(&lschl_button_device);
+
+	platform_device_register(&lschl_fan_device);
+
+	i2c_register_board_info(0, &lschl_i2c_rtc, 1);
+
+	/* usb power on */
+	gpio_set_value(LSCHL_GPIO_USB_POWER, 1);
+
+	/* register power-off method */
+	pm_power_off = lschl_power_off;
+
+	pr_info("%s: finished\n", __func__);
+}
+
+MACHINE_START(LINKSTATION_LSCHL, "Buffalo Linkstation LiveV3 (LS-CHL)")
+	/* Maintainer: Ash Hughes <ashley.hughes@blueyonder.co.uk> */
+	.atag_offset	= 0x100,
+	.init_machine	= lschl_init,
+	.map_io		= orion5x_map_io,
+	.init_early	= orion5x_init_early,
+	.init_irq	= orion5x_init_irq,
+	.init_time	= orion5x_timer_init,
+	.fixup		= tag_fixup_mem32,
+	.restart	= orion5x_restart,
+MACHINE_END