[deliverable/linux.git] / arch / arm / mach-orion5x / lsmini-setup.c

/*
 * arch/arm/mach-orion5x/lsmini-setup.c
 *
 * Maintainer: Alexey Kopytko <alexey@kopytko.ru>
 *
 * 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/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 Mini Info
 ****************************************************************************/

/*
 * 256K NOR flash Device bus boot chip select
 */

#define LSMINI_NOR_BOOT_BASE	0xf4000000
#define LSMINI_NOR_BOOT_SIZE	SZ_256K

/*****************************************************************************
 * 256KB NOR Flash on BOOT Device
 ****************************************************************************/

static struct physmap_flash_data lsmini_nor_flash_data = {
	.width		= 1,
};

static struct resource lsmini_nor_flash_resource = {
	.flags	= IORESOURCE_MEM,
	.start	= LSMINI_NOR_BOOT_BASE,
	.end	= LSMINI_NOR_BOOT_BASE + LSMINI_NOR_BOOT_SIZE - 1,
};

static struct platform_device lsmini_nor_flash = {
	.name			= "physmap-flash",
	.id			= 0,
	.dev		= {
		.platform_data	= &lsmini_nor_flash_data,
	},
	.num_resources		= 1,
	.resource		= &lsmini_nor_flash_resource,
};

/*****************************************************************************
 * Ethernet
 ****************************************************************************/

static struct mv643xx_eth_platform_data lsmini_eth_data = {
	.phy_addr	= 8,
};

/*****************************************************************************
 * RTC 5C372a on I2C bus
 ****************************************************************************/

static struct i2c_board_info __initdata lsmini_i2c_rtc = {
	I2C_BOARD_INFO("rs5c372a", 0x32),
};

/*****************************************************************************
 * LEDs attached to GPIO
 ****************************************************************************/

#define LSMINI_GPIO_LED_ALARM	2
#define LSMINI_GPIO_LED_INFO	3
#define LSMINI_GPIO_LED_FUNC	9
#define LSMINI_GPIO_LED_PWR	14

static struct gpio_led lsmini_led_pins[] = {
	{
		.name	   = "alarm:red",
		.gpio	   = LSMINI_GPIO_LED_ALARM,
		.active_low     = 1,
	}, {
		.name	   = "info:amber",
		.gpio	   = LSMINI_GPIO_LED_INFO,
		.active_low     = 1,
	}, {
		.name	   = "func:blue:top",
		.gpio	   = LSMINI_GPIO_LED_FUNC,
		.active_low     = 1,
	}, {
		.name	   = "power:blue:bottom",
		.gpio	   = LSMINI_GPIO_LED_PWR,
	},
};

static struct gpio_led_platform_data lsmini_led_data = {
	.leds	   = lsmini_led_pins,
	.num_leds       = ARRAY_SIZE(lsmini_led_pins),
};

static struct platform_device lsmini_leds = {
	.name   = "leds-gpio",
	.id     = -1,
	.dev    = {
		.platform_data  = &lsmini_led_data,
	},
};

/****************************************************************************
 * GPIO Attached Keys
 ****************************************************************************/

#define LSMINI_GPIO_KEY_FUNC       15
#define LSMINI_GPIO_KEY_POWER	   18
#define LSMINI_GPIO_KEY_AUTOPOWER 17

#define LSMINI_SW_POWER		0x00
#define LSMINI_SW_AUTOPOWER	0x01

static struct gpio_keys_button lsmini_buttons[] = {
	{
		.code	   = KEY_OPTION,
		.gpio	   = LSMINI_GPIO_KEY_FUNC,
		.desc	   = "Function Button",
		.active_low     = 1,
	}, {
		.type		= EV_SW,
		.code	   = LSMINI_SW_POWER,
		.gpio	   = LSMINI_GPIO_KEY_POWER,
		.desc	   = "Power-on Switch",
		.active_low     = 1,
	}, {
		.type		= EV_SW,
		.code	   = LSMINI_SW_AUTOPOWER,
		.gpio	   = LSMINI_GPIO_KEY_AUTOPOWER,
		.desc	   = "Power-auto Switch",
		.active_low     = 1,
	},
};

static struct gpio_keys_platform_data lsmini_button_data = {
	.buttons	= lsmini_buttons,
	.nbuttons       = ARRAY_SIZE(lsmini_buttons),
};

static struct platform_device lsmini_button_device = {
	.name	   = "gpio-keys",
	.id	     = -1,
	.num_resources  = 0,
	.dev	    = {
		.platform_data  = &lsmini_button_data,
	},
};


/*****************************************************************************
 * SATA
 ****************************************************************************/
static struct mv_sata_platform_data lsmini_sata_data = {
	.n_ports	= 2,
};


/*****************************************************************************
 * Linkstation Mini specific power off method: reboot
 ****************************************************************************/
/*
 * On the Linkstation Mini, 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 lsmini_power_off(void)
{
	orion5x_restart(REBOOT_HARD, NULL);
}


/*****************************************************************************
 * General Setup
 ****************************************************************************/

#define LSMINI_GPIO_USB_POWER	16
#define LSMINI_GPIO_AUTO_POWER	17
#define LSMINI_GPIO_POWER	18

#define LSMINI_GPIO_HDD_POWER0	1
#define LSMINI_GPIO_HDD_POWER1	19

static unsigned int lsmini_mpp_modes[] __initdata = {
	MPP0_UNUSED, /* LED_RESERVE1 (unused) */
	MPP1_GPIO, /* HDD_PWR */
	MPP2_GPIO, /* LED_ALARM */
	MPP3_GPIO, /* LED_INFO */
	MPP4_UNUSED,
	MPP5_UNUSED,
	MPP6_UNUSED,
	MPP7_UNUSED,
	MPP8_UNUSED,
	MPP9_GPIO, /* LED_FUNC */
	MPP10_UNUSED,
	MPP11_UNUSED, /* LED_ETH (dummy) */
	MPP12_UNUSED,
	MPP13_UNUSED,
	MPP14_GPIO, /* LED_PWR */
	MPP15_GPIO, /* FUNC */
	MPP16_GPIO, /* USB_PWR */
	MPP17_GPIO, /* AUTO_POWER */
	MPP18_GPIO, /* POWER */
	MPP19_GPIO, /* HDD_PWR1 */
	0,
};

static void __init lsmini_init(void)
{
	/*
	 * Setup basic Orion functions. Need to be called early.
	 */
	orion5x_init();

	orion5x_mpp_conf(lsmini_mpp_modes);

	/*
	 * Configure peripherals.
	 */
	orion5x_ehci0_init();
	orion5x_ehci1_init();
	orion5x_eth_init(&lsmini_eth_data);
	orion5x_i2c_init();
	orion5x_sata_init(&lsmini_sata_data);
	orion5x_uart0_init();
	orion5x_xor_init();

	mvebu_mbus_add_window("devbus-boot", LSMINI_NOR_BOOT_BASE,
			      LSMINI_NOR_BOOT_SIZE);
	platform_device_register(&lsmini_nor_flash);

	platform_device_register(&lsmini_button_device);

	platform_device_register(&lsmini_leds);

	i2c_register_board_info(0, &lsmini_i2c_rtc, 1);

	/* enable USB power */
	gpio_set_value(LSMINI_GPIO_USB_POWER, 1);

	/* register power-off method */
	pm_power_off = lsmini_power_off;

	pr_info("%s: finished\n", __func__);
}

#ifdef CONFIG_MACH_LINKSTATION_MINI
MACHINE_START(LINKSTATION_MINI, "Buffalo Linkstation Mini")
	/* Maintainer: Alexey Kopytko <alexey@kopytko.ru> */
	.atag_offset	= 0x100,
	.init_machine	= lsmini_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
#endif
Commit	Line	Data
7b0a26f2 AK	1	/*
	2	* arch/arm/mach-orion5x/lsmini-setup.c
	3	*
	4	* Maintainer: Alexey Kopytko <alexey@kopytko.ru>
	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>
7b0a26f2 AK	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/input.h>
	19	#include <linux/i2c.h>
	20	#include <linux/ata_platform.h>
7b0a26f2	21	#include <linux/gpio.h>
19615289	22	#include <asm/mach-types.h>
7b0a26f2	23	#include <asm/mach/arch.h>
19615289	24	#include <mach/orion5x.h>
7b0a26f2 AK	25	#include "common.h"
7b0a26f2 AK	26	#include "mpp.h"
7b0a26f2 AK	27
	28	/*****************************************************************************
	29	* Linkstation Mini Info
	30	****************************************************************************/
	31
	32	/*
	33	* 256K NOR flash Device bus boot chip select
	34	*/
	35
	36	#define LSMINI_NOR_BOOT_BASE 0xf4000000
	37	#define LSMINI_NOR_BOOT_SIZE SZ_256K
	38
	39	/*****************************************************************************
	40	* 256KB NOR Flash on BOOT Device
	41	****************************************************************************/
	42
	43	static struct physmap_flash_data lsmini_nor_flash_data = {
	44	.width = 1,
	45	};
	46
	47	static struct resource lsmini_nor_flash_resource = {
	48	.flags = IORESOURCE_MEM,
	49	.start = LSMINI_NOR_BOOT_BASE,
	50	.end = LSMINI_NOR_BOOT_BASE + LSMINI_NOR_BOOT_SIZE - 1,
	51	};
	52
	53	static struct platform_device lsmini_nor_flash = {
	54	.name = "physmap-flash",
	55	.id = 0,
	56	.dev = {
	57	.platform_data = &lsmini_nor_flash_data,
	58	},
	59	.num_resources = 1,
	60	.resource = &lsmini_nor_flash_resource,
	61	};
	62
	63	/*****************************************************************************
	64	* Ethernet
	65	****************************************************************************/
	66
	67	static struct mv643xx_eth_platform_data lsmini_eth_data = {
	68	.phy_addr = 8,
	69	};
	70
	71	/*****************************************************************************
	72	* RTC 5C372a on I2C bus
	73	****************************************************************************/
	74
	75	static struct i2c_board_info __initdata lsmini_i2c_rtc = {
	76	I2C_BOARD_INFO("rs5c372a", 0x32),
	77	};
	78
	79	/*****************************************************************************
	80	* LEDs attached to GPIO
	81	****************************************************************************/
	82
	83	#define LSMINI_GPIO_LED_ALARM 2
	84	#define LSMINI_GPIO_LED_INFO 3
	85	#define LSMINI_GPIO_LED_FUNC 9
	86	#define LSMINI_GPIO_LED_PWR 14
	87
	88	static struct gpio_led lsmini_led_pins[] = {
	89	{
	90	.name = "alarm:red",
91	.gpio = LSMINI_GPIO_LED_ALARM,
92	.active_low = 1,
93	}, {
94	.name = "info:amber",
95	.gpio = LSMINI_GPIO_LED_INFO,
96	.active_low = 1,
97	}, {
98	.name = "func:blue:top",
99	.gpio = LSMINI_GPIO_LED_FUNC,
100	.active_low = 1,
101	}, {
102	.name = "power:blue:bottom",
103	.gpio = LSMINI_GPIO_LED_PWR,
104	},
105	};
106
107	static struct gpio_led_platform_data lsmini_led_data = {
108	.leds = lsmini_led_pins,
109	.num_leds = ARRAY_SIZE(lsmini_led_pins),
110	};
111
112	static struct platform_device lsmini_leds = {
113	.name = "leds-gpio",
114	.id = -1,
115	.dev = {
116	.platform_data = &lsmini_led_data,
117	},
118	};
119
120	/****************************************************************************
121	* GPIO Attached Keys
122	****************************************************************************/
123
124	#define LSMINI_GPIO_KEY_FUNC 15
125	#define LSMINI_GPIO_KEY_POWER 18
126	#define LSMINI_GPIO_KEY_AUTOPOWER 17
127
128	#define LSMINI_SW_POWER 0x00
129	#define LSMINI_SW_AUTOPOWER 0x01
130
131	static struct gpio_keys_button lsmini_buttons[] = {
132	{
133	.code = KEY_OPTION,
134	.gpio = LSMINI_GPIO_KEY_FUNC,
135	.desc = "Function Button",
136	.active_low = 1,
137	}, {
138	.type = EV_SW,
139	.code = LSMINI_SW_POWER,
140	.gpio = LSMINI_GPIO_KEY_POWER,
141	.desc = "Power-on Switch",
142	.active_low = 1,
143	}, {
144	.type = EV_SW,
145	.code = LSMINI_SW_AUTOPOWER,
146	.gpio = LSMINI_GPIO_KEY_AUTOPOWER,
147	.desc = "Power-auto Switch",
148	.active_low = 1,
149	},
150	};
151
152	static struct gpio_keys_platform_data lsmini_button_data = {
153	.buttons = lsmini_buttons,
154	.nbuttons = ARRAY_SIZE(lsmini_buttons),
155	};
156
157	static struct platform_device lsmini_button_device = {
158	.name = "gpio-keys",
159	.id = -1,
160	.num_resources = 0,
161	.dev = {
162	.platform_data = &lsmini_button_data,
163	},
164	};
165
166
167	/*****************************************************************************
168	* SATA
169	****************************************************************************/
170	static struct mv_sata_platform_data lsmini_sata_data = {
171	.n_ports = 2,
172	};
173
174
92a5de80 AK	175	/*****************************************************************************
	176	* Linkstation Mini specific power off method: reboot
	177	****************************************************************************/
	178	/*
	179	* On the Linkstation Mini, the shutdown process is following:
	180	* - Userland monitors key events until the power switch goes to off position
	181	* - The board reboots
	182	* - U-boot starts and goes into an idle mode waiting for the user
	183	* to move the switch to ON position
	184	*/
	185
	186	static void lsmini_power_off(void)
	187	{
7b6d864b	188	orion5x_restart(REBOOT_HARD, NULL);
92a5de80 AK	189	}
	190
	191
7b0a26f2 AK	192	/*****************************************************************************
	193	* General Setup
	194	****************************************************************************/
	195
	196	#define LSMINI_GPIO_USB_POWER 16
	197	#define LSMINI_GPIO_AUTO_POWER 17
	198	#define LSMINI_GPIO_POWER 18
	199
	200	#define LSMINI_GPIO_HDD_POWER0 1
	201	#define LSMINI_GPIO_HDD_POWER1 19
	202
554cdaef AL	203	static unsigned int lsmini_mpp_modes[] __initdata = {
	204	MPP0_UNUSED, /* LED_RESERVE1 (unused) */
	205	MPP1_GPIO, /* HDD_PWR */
	206	MPP2_GPIO, /* LED_ALARM */
	207	MPP3_GPIO, /* LED_INFO */
	208	MPP4_UNUSED,
	209	MPP5_UNUSED,
	210	MPP6_UNUSED,
	211	MPP7_UNUSED,
	212	MPP8_UNUSED,
	213	MPP9_GPIO, /* LED_FUNC */
	214	MPP10_UNUSED,
	215	MPP11_UNUSED, /* LED_ETH (dummy) */
	216	MPP12_UNUSED,
	217	MPP13_UNUSED,
	218	MPP14_GPIO, /* LED_PWR */
	219	MPP15_GPIO, /* FUNC */
	220	MPP16_GPIO, /* USB_PWR */
	221	MPP17_GPIO, /* AUTO_POWER */
	222	MPP18_GPIO, /* POWER */
	223	MPP19_GPIO, /* HDD_PWR1 */
	224	0,
7b0a26f2 AK	225	};
	226
	227	static void __init lsmini_init(void)
	228	{
	229	/*
	230	* Setup basic Orion functions. Need to be called early.
	231	*/
	232	orion5x_init();
	233
	234	orion5x_mpp_conf(lsmini_mpp_modes);
	235
	236	/*
	237	* Configure peripherals.
	238	*/
	239	orion5x_ehci0_init();
	240	orion5x_ehci1_init();
	241	orion5x_eth_init(&lsmini_eth_data);
	242	orion5x_i2c_init();
	243	orion5x_sata_init(&lsmini_sata_data);
	244	orion5x_uart0_init();
	245	orion5x_xor_init();
	246
5d1190ea TP	247	mvebu_mbus_add_window("devbus-boot", LSMINI_NOR_BOOT_BASE,
5d1190ea TP	248	LSMINI_NOR_BOOT_SIZE);
7b0a26f2 AK	249	platform_device_register(&lsmini_nor_flash);
	250
	251	platform_device_register(&lsmini_button_device);
	252
	253	platform_device_register(&lsmini_leds);
	254
	255	i2c_register_board_info(0, &lsmini_i2c_rtc, 1);
	256
	257	/* enable USB power */
	258	gpio_set_value(LSMINI_GPIO_USB_POWER, 1);
	259
92a5de80 AK	260	/* register power-off method */
	261	pm_power_off = lsmini_power_off;
	262
7b0a26f2 AK	263	pr_info("%s: finished\n", __func__);
	264	}
	265
	266	#ifdef CONFIG_MACH_LINKSTATION_MINI
	267	MACHINE_START(LINKSTATION_MINI, "Buffalo Linkstation Mini")
	268	/* Maintainer: Alexey Kopytko <alexey@kopytko.ru> */
65aa1b1e	269	.atag_offset = 0x100,
7b0a26f2 AK	270	.init_machine = lsmini_init,
7b0a26f2 AK	271	.map_io = orion5x_map_io,
4ee1f6b5	272	.init_early = orion5x_init_early,
7b0a26f2	273	.init_irq = orion5x_init_irq,
6bb27d73	274	.init_time = orion5x_timer_init,
7b0a26f2	275	.fixup = tag_fixup_mem32,
764cbcc2	276	.restart = orion5x_restart,
7b0a26f2 AK	277	MACHINE_END
7b0a26f2 AK	278	#endif