summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-orion5x/ls-chl-setup.c
blob: dfdaa8a498a4788d2916095b4487bb2272b65e4e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
/*
 * 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 "common.h"
#include "mpp.h"
#include "orion5x.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,
	.nr_irqs	= ORION5X_NR_IRQS,
	.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
OpenPOWER on IntegriCloud