[thirdparty/linux.git] / arch / arm / mach-orion5x / ls-chl-setup.c

/*
 * 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('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 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();

	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> */
	.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
Commit	Line	Data
4bba1c34 AH	1	/*
	2	* arch/arm/mach-orion5x/ls-chl-setup.c
	3	*
	4	* Maintainer: Ash Hughes <ashley.hughes@blueyonder.co.uk>
	5	*
	6	* This file is licensed under the terms of the GNU General Public
	7	* License version 2. This program is licensed "as is" without any
	8	* warranty of any kind, whether express or implied.
	9	*/
	10
	11	#include <linux/kernel.h>
	12	#include <linux/init.h>
	13	#include <linux/platform_device.h>
	14	#include <linux/mtd/physmap.h>
	15	#include <linux/mv643xx_eth.h>
	16	#include <linux/leds.h>
	17	#include <linux/gpio_keys.h>
	18	#include <linux/gpio-fan.h>
	19	#include <linux/input.h>
	20	#include <linux/i2c.h>
	21	#include <linux/ata_platform.h>
	22	#include <linux/gpio.h>
	23	#include <asm/mach-types.h>
	24	#include <asm/mach/arch.h>
4bba1c34 AH	25	#include <mach/orion5x.h>
	26	#include "common.h"
	27	#include "mpp.h"
	28
	29	/*****************************************************************************
	30	* Linkstation LS-CHL Info
	31	****************************************************************************/
	32
	33	/*
	34	* 256K NOR flash Device bus boot chip select
	35	*/
	36
	37	#define LSCHL_NOR_BOOT_BASE 0xf4000000
	38	#define LSCHL_NOR_BOOT_SIZE SZ_256K
	39
	40	/*****************************************************************************
	41	* 256KB NOR Flash on BOOT Device
	42	****************************************************************************/
	43
	44	static struct physmap_flash_data lschl_nor_flash_data = {
	45	.width = 1,
	46	};
	47
	48	static struct resource lschl_nor_flash_resource = {
	49	.flags = IORESOURCE_MEM,
	50	.start = LSCHL_NOR_BOOT_BASE,
	51	.end = LSCHL_NOR_BOOT_BASE + LSCHL_NOR_BOOT_SIZE - 1,
	52	};
	53
	54	static struct platform_device lschl_nor_flash = {
	55	.name = "physmap-flash",
	56	.id = 0,
	57	.dev = {
	58	.platform_data = &lschl_nor_flash_data,
	59	},
	60	.num_resources = 1,
	61	.resource = &lschl_nor_flash_resource,
	62	};
	63
	64	/*****************************************************************************
	65	* Ethernet
	66	****************************************************************************/
	67
	68	static struct mv643xx_eth_platform_data lschl_eth_data = {
	69	.phy_addr = MV643XX_ETH_PHY_ADDR(8),
	70	};
	71
	72	/*****************************************************************************
	73	* RTC 5C372a on I2C bus
	74	****************************************************************************/
	75
	76	static struct i2c_board_info __initdata lschl_i2c_rtc = {
	77	I2C_BOARD_INFO("rs5c372a", 0x32),
	78	};
	79
	80	/*****************************************************************************
	81	* LEDs attached to GPIO
	82	****************************************************************************/
	83
	84	#define LSCHL_GPIO_LED_ALARM 2
	85	#define LSCHL_GPIO_LED_INFO 3
	86	#define LSCHL_GPIO_LED_FUNC 17
	87	#define LSCHL_GPIO_LED_PWR 0
	88
89	static struct gpio_led lschl_led_pins[] = {
90	{
91	.name = "alarm:red",
92	.gpio = LSCHL_GPIO_LED_ALARM,
93	.active_low = 1,
94	}, {
95	.name = "info:amber",
96	.gpio = LSCHL_GPIO_LED_INFO,
97	.active_low = 1,
98	}, {
99	.name = "func:blue:top",
100	.gpio = LSCHL_GPIO_LED_FUNC,
101	.active_low = 1,
102	}, {
103	.name = "power:blue:bottom",
104	.gpio = LSCHL_GPIO_LED_PWR,
105	},
106	};
107
108	static struct gpio_led_platform_data lschl_led_data = {
109	.leds = lschl_led_pins,
110	.num_leds = ARRAY_SIZE(lschl_led_pins),
111	};
112
113	static struct platform_device lschl_leds = {
114	.name = "leds-gpio",
115	.id = -1,
116	.dev = {
117	.platform_data = &lschl_led_data,
118	},
119	};
120
121	/*****************************************************************************
122	* SATA
123	****************************************************************************/
124	static struct mv_sata_platform_data lschl_sata_data = {
125	.n_ports = 2,
126	};
127
128	/*****************************************************************************
129	* LS-CHL specific power off method: reboot
130	****************************************************************************/
131	/*
132	* On the LS-CHL, the shutdown process is following:
133	* - Userland monitors key events until the power switch goes to off position
134	* - The board reboots
135	* - U-boot starts and goes into an idle mode waiting for the user
136	* to move the switch to ON position
137	*
138	*/
139
140	static void lschl_power_off(void)
141	{
764cbcc2	142	orion5x_restart('h', NULL);
4bba1c34 AH	143	}
	144
	145	/*****************************************************************************
	146	* General Setup
	147	****************************************************************************/
	148	#define LSCHL_GPIO_USB_POWER 9
	149	#define LSCHL_GPIO_AUTO_POWER 17
	150	#define LSCHL_GPIO_POWER 18
	151
	152	/****************************************************************************
	153	* GPIO Attached Keys
	154	****************************************************************************/
	155	#define LSCHL_GPIO_KEY_FUNC 15
	156	#define LSCHL_GPIO_KEY_POWER 8
	157	#define LSCHL_GPIO_KEY_AUTOPOWER 10
	158	#define LSCHL_SW_POWER 0x00
	159	#define LSCHL_SW_AUTOPOWER 0x01
	160	#define LSCHL_SW_FUNC 0x02
	161
	162	static struct gpio_keys_button lschl_buttons[] = {
	163	{
	164	.type = EV_SW,
	165	.code = LSCHL_SW_POWER,
	166	.gpio = LSCHL_GPIO_KEY_POWER,
	167	.desc = "Power-on Switch",
	168	.active_low = 1,
	169	}, {
	170	.type = EV_SW,
	171	.code = LSCHL_SW_AUTOPOWER,
	172	.gpio = LSCHL_GPIO_KEY_AUTOPOWER,
	173	.desc = "Power-auto Switch",
	174	.active_low = 1,
	175	}, {
	176	.type = EV_SW,
	177	.code = LSCHL_SW_FUNC,
	178	.gpio = LSCHL_GPIO_KEY_FUNC,
	179	.desc = "Function Switch",
	180	.active_low = 1,
	181	},
	182	};
	183
	184	static struct gpio_keys_platform_data lschl_button_data = {
	185	.buttons = lschl_buttons,
	186	.nbuttons = ARRAY_SIZE(lschl_buttons),
	187	};
	188
	189	static struct platform_device lschl_button_device = {
	190	.name = "gpio-keys",
	191	.id = -1,
	192	.num_resources = 0,
	193	.dev = {
	194	.platform_data = &lschl_button_data,
	195	},
	196	};
	197
	198	#define LSCHL_GPIO_HDD_POWER 1
	199
	200	/****************************************************************************
	201	* GPIO Fan
	202	****************************************************************************/
	203
	204	#define LSCHL_GPIO_FAN_LOW 16
	205	#define LSCHL_GPIO_FAN_HIGH 14
	206	#define LSCHL_GPIO_FAN_LOCK 6
207
208	static struct gpio_fan_alarm lschl_alarm = {
209	.gpio = LSCHL_GPIO_FAN_LOCK,
210	};
211
212	static struct gpio_fan_speed lschl_speeds[] = {
213	{
214	.rpm = 0,
215	.ctrl_val = 3,
216	}, {
217	.rpm = 1500,
218	.ctrl_val = 2,
219	}, {
220	.rpm = 3250,
221	.ctrl_val = 1,
222	}, {
223	.rpm = 5000,
224	.ctrl_val = 0,
225	},
226	};
227
228	static int lschl_gpio_list[] = {
229	LSCHL_GPIO_FAN_HIGH, LSCHL_GPIO_FAN_LOW,
230	};
231
232	static struct gpio_fan_platform_data lschl_fan_data = {
233	.num_ctrl = ARRAY_SIZE(lschl_gpio_list),
234	.ctrl = lschl_gpio_list,
235	.alarm = &lschl_alarm,
236	.num_speed = ARRAY_SIZE(lschl_speeds),
237	.speed = lschl_speeds,
238	};
239
240	static struct platform_device lschl_fan_device = {
241	.name = "gpio-fan",
242	.id = -1,
243	.num_resources = 0,
244	.dev = {
245	.platform_data = &lschl_fan_data,
246	},
247	};
248
249	/****************************************************************************
250	* GPIO Data
251	****************************************************************************/
252
554cdaef AL	253	static unsigned int lschl_mpp_modes[] __initdata = {
	254	MPP0_GPIO, /* LED POWER */
	255	MPP1_GPIO, /* HDD POWER */
	256	MPP2_GPIO, /* LED ALARM */
	257	MPP3_GPIO, /* LED INFO */
	258	MPP4_UNUSED,
	259	MPP5_UNUSED,
	260	MPP6_GPIO, /* FAN LOCK */
	261	MPP7_GPIO, /* SW INIT */
	262	MPP8_GPIO, /* SW POWER */
	263	MPP9_GPIO, /* USB POWER */
	264	MPP10_GPIO, /* SW AUTO POWER */
	265	MPP11_UNUSED,
	266	MPP12_UNUSED,
	267	MPP13_UNUSED,
	268	MPP14_GPIO, /* FAN HIGH */
	269	MPP15_GPIO, /* SW FUNC */
	270	MPP16_GPIO, /* FAN LOW */
	271	MPP17_GPIO, /* LED FUNC */
	272	MPP18_UNUSED,
	273	MPP19_UNUSED,
	274	0,
4bba1c34 AH	275	};
	276
	277	static void __init lschl_init(void)
	278	{
	279	/*
	280	* Setup basic Orion functions. Needs to be called early.
	281	*/
	282	orion5x_init();
	283
	284	orion5x_mpp_conf(lschl_mpp_modes);
	285
	286	/*
	287	* Configure peripherals.
	288	*/
	289	orion5x_ehci0_init();
	290	orion5x_ehci1_init();
	291	orion5x_eth_init(&lschl_eth_data);
	292	orion5x_i2c_init();
	293	orion5x_sata_init(&lschl_sata_data);
	294	orion5x_uart0_init();
	295	orion5x_xor_init();
	296
	297	orion5x_setup_dev_boot_win(LSCHL_NOR_BOOT_BASE,
	298	LSCHL_NOR_BOOT_SIZE);
	299	platform_device_register(&lschl_nor_flash);
	300
	301	platform_device_register(&lschl_leds);
	302
	303	platform_device_register(&lschl_button_device);
	304
	305	platform_device_register(&lschl_fan_device);
	306
	307	i2c_register_board_info(0, &lschl_i2c_rtc, 1);
	308
	309	/* usb power on */
	310	gpio_set_value(LSCHL_GPIO_USB_POWER, 1);
	311
	312	/* register power-off method */
	313	pm_power_off = lschl_power_off;
	314
	315	pr_info("%s: finished\n", __func__);
	316	}
	317
	318	MACHINE_START(LINKSTATION_LSCHL, "Buffalo Linkstation LiveV3 (LS-CHL)")
	319	/* Maintainer: Ash Hughes <ashley.hughes@blueyonder.co.uk> */
65aa1b1e	320	.atag_offset = 0x100,
4bba1c34 AH	321	.init_machine = lschl_init,
4bba1c34 AH	322	.map_io = orion5x_map_io,
4ee1f6b5	323	.init_early = orion5x_init_early,
4bba1c34	324	.init_irq = orion5x_init_irq,
6bb27d73	325	.init_time = orion5x_timer_init,
4bba1c34	326	.fixup = tag_fixup_mem32,
764cbcc2	327	.restart = orion5x_restart,
4bba1c34	328	MACHINE_END