summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-orion5x/net2big-setup.c
blob: dd0641a0d074447a1c1934128a8a90564b4860da (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
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
/*
 * arch/arm/mach-orion5x/net2big-setup.c
 *
 * LaCie 2Big Network NAS setup
 *
 * Copyright (C) 2009 Simon Guinot <sguinot@lacie.com>
 *
 * 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 <linux/delay.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/orion5x.h>
#include <plat/orion-gpio.h>
#include "common.h"
#include "mpp.h"

/*****************************************************************************
 * LaCie 2Big Network Info
 ****************************************************************************/

/*
 * 512KB NOR flash Device bus boot chip select
 */

#define NET2BIG_NOR_BOOT_BASE		0xfff80000
#define NET2BIG_NOR_BOOT_SIZE		SZ_512K

/*****************************************************************************
 * 512KB NOR Flash on Boot Device
 ****************************************************************************/

/*
 * TODO: Check write support on flash MX29LV400CBTC-70G
 */

static struct mtd_partition net2big_partitions[] = {
	{
		.name		= "Full512kb",
		.size		= MTDPART_SIZ_FULL,
		.offset		= 0x00000000,
		.mask_flags	= MTD_WRITEABLE,
	},
};

static struct physmap_flash_data net2big_nor_flash_data = {
	.width		= 1,
	.parts		= net2big_partitions,
	.nr_parts	= ARRAY_SIZE(net2big_partitions),
};

static struct resource net2big_nor_flash_resource = {
	.flags			= IORESOURCE_MEM,
	.start			= NET2BIG_NOR_BOOT_BASE,
	.end			= NET2BIG_NOR_BOOT_BASE
					+ NET2BIG_NOR_BOOT_SIZE - 1,
};

static struct platform_device net2big_nor_flash = {
	.name			= "physmap-flash",
	.id			= 0,
	.dev		= {
		.platform_data	= &net2big_nor_flash_data,
	},
	.num_resources		= 1,
	.resource		= &net2big_nor_flash_resource,
};

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

static struct mv643xx_eth_platform_data net2big_eth_data = {
	.phy_addr	= MV643XX_ETH_PHY_ADDR(8),
};

/*****************************************************************************
 * I2C devices
 ****************************************************************************/

/*
 * i2c addr | chip         | description
 * 0x32     | Ricoh 5C372b | RTC
 * 0x50     | HT24LC08     | eeprom (1kB)
 */
static struct i2c_board_info __initdata net2big_i2c_devices[] = {
	{
		I2C_BOARD_INFO("rs5c372b", 0x32),
	}, {
		I2C_BOARD_INFO("24c08", 0x50),
	},
};

/*****************************************************************************
 * SATA
 ****************************************************************************/

static struct mv_sata_platform_data net2big_sata_data = {
	.n_ports	= 2,
};

#define NET2BIG_GPIO_SATA_POWER_REQ	19
#define NET2BIG_GPIO_SATA0_POWER	23
#define NET2BIG_GPIO_SATA1_POWER	25

static void __init net2big_sata_power_init(void)
{
	int err;

	/* Configure GPIOs over MPP max number. */
	orion_gpio_set_valid(NET2BIG_GPIO_SATA0_POWER, 1);
	orion_gpio_set_valid(NET2BIG_GPIO_SATA1_POWER, 1);

	err = gpio_request(NET2BIG_GPIO_SATA0_POWER, "SATA0 power status");
	if (err == 0) {
		err = gpio_direction_input(NET2BIG_GPIO_SATA0_POWER);
		if (err)
			gpio_free(NET2BIG_GPIO_SATA0_POWER);
	}
	if (err) {
		pr_err("net2big: failed to setup SATA0 power GPIO\n");
		return;
	}

	err = gpio_request(NET2BIG_GPIO_SATA1_POWER, "SATA1 power status");
	if (err == 0) {
		err = gpio_direction_input(NET2BIG_GPIO_SATA1_POWER);
		if (err)
			gpio_free(NET2BIG_GPIO_SATA1_POWER);
	}
	if (err) {
		pr_err("net2big: failed to setup SATA1 power GPIO\n");
		goto err_free_1;
	}

	err = gpio_request(NET2BIG_GPIO_SATA_POWER_REQ, "SATA power request");
	if (err == 0) {
		err = gpio_direction_output(NET2BIG_GPIO_SATA_POWER_REQ, 0);
		if (err)
			gpio_free(NET2BIG_GPIO_SATA_POWER_REQ);
	}
	if (err) {
		pr_err("net2big: failed to setup SATA power request GPIO\n");
		goto err_free_2;
	}

	if (gpio_get_value(NET2BIG_GPIO_SATA0_POWER) &&
		gpio_get_value(NET2BIG_GPIO_SATA1_POWER)) {
		return;
	}

	/*
	 * SATA power up on both disk is done by pulling high the CPLD power
	 * request line. The 300ms delay is related to the CPLD clock and is
	 * needed to be sure that the CPLD has take into account the low line
	 * status.
	 */
	msleep(300);
	gpio_set_value(NET2BIG_GPIO_SATA_POWER_REQ, 1);
	pr_info("net2big: power up SATA hard disks\n");

	return;

err_free_2:
	gpio_free(NET2BIG_GPIO_SATA1_POWER);
err_free_1:
	gpio_free(NET2BIG_GPIO_SATA0_POWER);

	return;
}

/*****************************************************************************
 * GPIO LEDs
 ****************************************************************************/

/*
 * The power front LEDs (blue and red) and SATA red LEDs are controlled via a
 * single GPIO line and are compatible with the leds-gpio driver.
 *
 * The SATA blue LEDs have some hardware blink capabilities which are detailed
 * in the following array:
 *
 * SATAx blue LED | SATAx activity | LED state
 *                |                |
 *       0        |       0        |  blink (rate 300ms)
 *       1        |       0        |  off
 *       ?        |       1        |  on
 *
 * Notes: The blue and the red front LED's can't be on at the same time.
 *        Blue LED have priority.
 */

#define NET2BIG_GPIO_PWR_RED_LED	6
#define NET2BIG_GPIO_PWR_BLUE_LED	16
#define NET2BIG_GPIO_PWR_LED_BLINK_STOP	7

#define NET2BIG_GPIO_SATA0_RED_LED	11
#define NET2BIG_GPIO_SATA1_RED_LED	10

#define NET2BIG_GPIO_SATA0_BLUE_LED	17
#define NET2BIG_GPIO_SATA1_BLUE_LED	13

static struct gpio_led net2big_leds[] = {
	{
		.name = "net2big:red:power",
		.gpio = NET2BIG_GPIO_PWR_RED_LED,
	},
	{
		.name = "net2big:blue:power",
		.gpio = NET2BIG_GPIO_PWR_BLUE_LED,
	},
	{
		.name = "net2big:red:sata0",
		.gpio = NET2BIG_GPIO_SATA0_RED_LED,
	},
	{
		.name = "net2big:red:sata1",
		.gpio = NET2BIG_GPIO_SATA1_RED_LED,
	},
};

static struct gpio_led_platform_data net2big_led_data = {
	.num_leds = ARRAY_SIZE(net2big_leds),
	.leds = net2big_leds,
};

static struct platform_device net2big_gpio_leds = {
	.name           = "leds-gpio",
	.id             = -1,
	.dev            = {
		.platform_data  = &net2big_led_data,
	},
};

static void __init net2big_gpio_leds_init(void)
{
	int err;

	/* Stop initial CPLD slow red/blue blinking on power LED. */
	err = gpio_request(NET2BIG_GPIO_PWR_LED_BLINK_STOP,
			   "Power LED blink stop");
	if (err == 0) {
		err = gpio_direction_output(NET2BIG_GPIO_PWR_LED_BLINK_STOP, 1);
		if (err)
			gpio_free(NET2BIG_GPIO_PWR_LED_BLINK_STOP);
	}
	if (err)
		pr_err("net2big: failed to setup power LED blink GPIO\n");

	/*
	 * Configure SATA0 and SATA1 blue LEDs to blink in relation with the
	 * hard disk activity.
	 */
	err = gpio_request(NET2BIG_GPIO_SATA0_BLUE_LED,
			   "SATA0 blue LED control");
	if (err == 0) {
		err = gpio_direction_output(NET2BIG_GPIO_SATA0_BLUE_LED, 1);
		if (err)
			gpio_free(NET2BIG_GPIO_SATA0_BLUE_LED);
	}
	if (err)
		pr_err("net2big: failed to setup SATA0 blue LED GPIO\n");

	err = gpio_request(NET2BIG_GPIO_SATA1_BLUE_LED,
			   "SATA1 blue LED control");
	if (err == 0) {
		err = gpio_direction_output(NET2BIG_GPIO_SATA1_BLUE_LED, 1);
		if (err)
			gpio_free(NET2BIG_GPIO_SATA1_BLUE_LED);
	}
	if (err)
		pr_err("net2big: failed to setup SATA1 blue LED GPIO\n");

	platform_device_register(&net2big_gpio_leds);
}

/****************************************************************************
 * GPIO keys
 ****************************************************************************/

#define NET2BIG_GPIO_PUSH_BUTTON	18
#define NET2BIG_GPIO_POWER_SWITCH_ON	8
#define NET2BIG_GPIO_POWER_SWITCH_OFF	9

#define NET2BIG_SWITCH_POWER_ON		0x1
#define NET2BIG_SWITCH_POWER_OFF	0x2

static struct gpio_keys_button net2big_buttons[] = {
	{
		.type		= EV_SW,
		.code		= NET2BIG_SWITCH_POWER_OFF,
		.gpio		= NET2BIG_GPIO_POWER_SWITCH_OFF,
		.desc		= "Power rocker switch (auto|off)",
		.active_low	= 0,
	},
	{
		.type		= EV_SW,
		.code		= NET2BIG_SWITCH_POWER_ON,
		.gpio		= NET2BIG_GPIO_POWER_SWITCH_ON,
		.desc		= "Power rocker switch (on|auto)",
		.active_low	= 0,
	},
	{
		.type		= EV_KEY,
		.code		= KEY_POWER,
		.gpio		= NET2BIG_GPIO_PUSH_BUTTON,
		.desc		= "Front Push Button",
		.active_low	= 0,
	},
};

static struct gpio_keys_platform_data net2big_button_data = {
	.buttons	= net2big_buttons,
	.nbuttons	= ARRAY_SIZE(net2big_buttons),
};

static struct platform_device net2big_gpio_buttons = {
	.name		= "gpio-keys",
	.id		= -1,
	.dev		= {
		.platform_data	= &net2big_button_data,
	},
};

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

static unsigned int net2big_mpp_modes[] __initdata = {
	MPP0_GPIO,	/* Raid mode (bit 0) */
	MPP1_GPIO,	/* USB port 2 fuse (0 = Fail, 1 = Ok) */
	MPP2_GPIO,	/* Raid mode (bit 1) */
	MPP3_GPIO,	/* Board ID (bit 0) */
	MPP4_GPIO,	/* Fan activity (0 = Off, 1 = On) */
	MPP5_GPIO,	/* Fan fail detection */
	MPP6_GPIO,	/* Red front LED (0 = Off, 1 = On) */
	MPP7_GPIO,	/* Disable initial blinking on front LED */
	MPP8_GPIO,	/* Rear power switch (on|auto) */
	MPP9_GPIO,	/* Rear power switch (auto|off) */
	MPP10_GPIO,	/* SATA 1 red LED (0 = Off, 1 = On) */
	MPP11_GPIO,	/* SATA 0 red LED (0 = Off, 1 = On) */
	MPP12_GPIO,	/* Board ID (bit 1) */
	MPP13_GPIO,	/* SATA 1 blue LED blink control */
	MPP14_SATA_LED,
	MPP15_SATA_LED,
	MPP16_GPIO,	/* Blue front LED control */
	MPP17_GPIO,	/* SATA 0 blue LED blink control */
	MPP18_GPIO,	/* Front button (0 = Released, 1 = Pushed ) */
	MPP19_GPIO,	/* SATA{0,1} power On/Off request */
	0,
	/* 22: USB port 1 fuse (0 = Fail, 1 = Ok) */
	/* 23: SATA 0 power status */
	/* 24: Board power off */
	/* 25: SATA 1 power status */
};

#define NET2BIG_GPIO_POWER_OFF		24

static void net2big_power_off(void)
{
	gpio_set_value(NET2BIG_GPIO_POWER_OFF, 1);
}

static void __init net2big_init(void)
{
	/*
	 * Setup basic Orion functions. Need to be called early.
	 */
	orion5x_init();

	orion5x_mpp_conf(net2big_mpp_modes);

	/*
	 * Configure peripherals.
	 */
	orion5x_ehci0_init();
	orion5x_ehci1_init();
	orion5x_eth_init(&net2big_eth_data);
	orion5x_i2c_init();
	orion5x_uart0_init();
	orion5x_xor_init();

	net2big_sata_power_init();
	orion5x_sata_init(&net2big_sata_data);

	mvebu_mbus_add_window("devbus-boot", NET2BIG_NOR_BOOT_BASE,
			      NET2BIG_NOR_BOOT_SIZE);
	platform_device_register(&net2big_nor_flash);

	platform_device_register(&net2big_gpio_buttons);
	net2big_gpio_leds_init();

	i2c_register_board_info(0, net2big_i2c_devices,
				ARRAY_SIZE(net2big_i2c_devices));

	orion_gpio_set_valid(NET2BIG_GPIO_POWER_OFF, 1);

	if (gpio_request(NET2BIG_GPIO_POWER_OFF, "power-off") == 0 &&
	    gpio_direction_output(NET2BIG_GPIO_POWER_OFF, 0) == 0)
		pm_power_off = net2big_power_off;
	else
		pr_err("net2big: failed to configure power-off GPIO\n");

	pr_notice("net2big: Flash writing is not yet supported.\n");
}

/* Warning: LaCie use a wrong mach-type (0x20e=526) in their bootloader. */
MACHINE_START(NET2BIG, "LaCie 2Big Network")
	.atag_offset	= 0x100,
	.init_machine	= net2big_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