Commit 4bba1c34 authored by Ash Hughes's avatar Ash Hughes Committed by Nicolas Pitre
Browse files

[ARM] Orion: added Buffalo LS-CHL support 



Adds support for Buffalo Linkstation Live v3 (LS-CHL) NAS drives.

Signed-off-by: default avatarAsh Hughes <ashley.hughes@blueyonder.co.uk>
Acked-by: default avatarLennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: default avatarNicolas Pitre <nico@fluxnic.net>
parent 7f51439a

arch/arm/mach-orion5x/Kconfig

+7 −0
Original line number Diff line number Diff line
@@ -51,6 +51,13 @@ config MACH_LINKSTATION_PRO 
	  Buffalo Linkstation Pro/Live platform. Both v1 and

	  v2 devices are supported.



config MACH_LINKSTATION_LSCHL

	bool "Buffalo Linkstation Live v3 (LS-CHL)"

	select I2C_BOARDINFO

	help

	  Say 'Y' here if you want your kernel to support the

	  Buffalo Linkstation Live v3 (LS-CHL) platform.



config MACH_LINKSTATION_MINI

	bool "Buffalo Linkstation Mini"

	select I2C_BOARDINFO

arch/arm/mach-orion5x/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -21,3 +21,4 @@ obj-$(CONFIG_MACH_WNR854T) += wnr854t-setup.o 
obj-$(CONFIG_MACH_RD88F5181L_GE)	+= rd88f5181l-ge-setup.o

obj-$(CONFIG_MACH_RD88F5181L_FXO)	+= rd88f5181l-fxo-setup.o

obj-$(CONFIG_MACH_RD88F6183AP_GE)	+= rd88f6183ap-ge-setup.o

obj-$(CONFIG_MACH_LINKSTATION_LSCHL)	+= ls-chl-setup.o

arch/arm/mach-orion5x/ls-chl-setup.c

0 → 100644
+327 −0
Original line number Diff line number Diff line 
/*

 * 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 <asm/system.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)

{

	arm_machine_restart('h', 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 struct orion5x_mpp_mode lschl_mpp_modes[] __initdata = {

	{  0, MPP_GPIO }, /* LED POWER */

	{  1, MPP_GPIO }, /* HDD POWER */

	{  2, MPP_GPIO }, /* LED ALARM */

	{  3, MPP_GPIO }, /* LED INFO */

	{  4, MPP_UNUSED },

	{  5, MPP_UNUSED },

	{  6, MPP_GPIO }, /* FAN LOCK */

	{  7, MPP_GPIO }, /* SW INIT */

	{  8, MPP_GPIO }, /* SW POWER */

	{  9, MPP_GPIO }, /* USB POWER */

	{ 10, MPP_GPIO }, /* SW AUTO POWER */

	{ 11, MPP_UNUSED },

	{ 12, MPP_UNUSED },

	{ 13, MPP_UNUSED },

	{ 14, MPP_GPIO }, /* FAN HIGH */

	{ 15, MPP_GPIO }, /* SW FUNC */

	{ 16, MPP_GPIO }, /* FAN LOW */

	{ 17, MPP_GPIO }, /* LED FUNC */

	{ 18, MPP_UNUSED },

	{ 19, MPP_UNUSED },

	{ -1 },

};



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();



	orion5x_setup_dev_boot_win(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> */

	.boot_params	= 0x00000100,

	.init_machine	= lschl_init,

	.map_io		= orion5x_map_io,

	.init_irq	= orion5x_init_irq,

	.timer		= &orion5x_timer,

	.fixup		= tag_fixup_mem32,

MACHINE_END

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