aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-orion5x/d2net-setup.c
blob: 7130904ad9998e28c8a0bd5eb884f7bc5649f329 (plain) (blame)
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
/*
 * arch/arm/mach-orion5x/d2net-setup.c
 *
 * LaCie d2Network and Big Disk 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/pci.h>
#include <linux/irq.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 <asm/mach/pci.h>
#include <mach/orion5x.h>
#include "common.h"
#include "mpp.h"

/*****************************************************************************
 * LaCie d2 Network Info
 ****************************************************************************/

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

#define D2NET_NOR_BOOT_BASE		0xfff80000
#define D2NET_NOR_BOOT_SIZE		SZ_512K

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

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

static struct mtd_partition d2net_partitions[] = {
	{
		.name		= "Full512kb",
		.size		= MTDPART_SIZ_FULL,
		.offset		= 0,
		.mask_flags	= MTD_WRITEABLE,
	},
};

static struct physmap_flash_data d2net_nor_flash_data = {
	.width		= 1,
	.parts		= d2net_partitions,
	.nr_parts	= ARRAY_SIZE(d2net_partitions),
};

static struct resource d2net_nor_flash_resource = {
	.flags			= IORESOURCE_MEM,
	.start			= D2NET_NOR_BOOT_BASE,
	.end			= D2NET_NOR_BOOT_BASE
					+ D2NET_NOR_BOOT_SIZE - 1,
};

static struct platform_device d2net_nor_flash = {
	.name			= "physmap-flash",
	.id			= 0,
	.dev		= {
		.platform_data	= &d2net_nor_flash_data,
	},
	.num_resources		= 1,
	.resource		= &d2net_nor_flash_resource,
};

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

static struct mv643xx_eth_platform_data d2net_eth_data = {
	.phy_addr	= MV643XX_ETH_PHY_ADDR(8),
};

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

/*
 * i2c addr | chip         | description
 * 0x32     | Ricoh 5C372b | RTC
 * 0x3e     | GMT G762     | PWM fan controller
 * 0x50     | HT24LC08     | eeprom (1kB)
 *
 * TODO: Add G762 support to the g760a driver.
 */
static struct i2c_board_info __initdata d2net_i2c_devices[] = {
	{
		I2C_BOARD_INFO("rs5c372b", 0x32),
	}, {
		I2C_BOARD_INFO("24c08", 0x50),
	},
};

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

static struct mv_sata_platform_data d2net_sata_data = {
	.n_ports	= 2,
};

#define D2NET_GPIO_SATA0_POWER	3
#define D2NET_GPIO_SATA1_POWER	12

static void __init d2net_sata_power_init(void)
{
	int err;

	err = gpio_request(D2NET_GPIO_SATA0_POWER, "SATA0 power");
	if (err == 0) {
		err = gpio_direction_output(D2NET_GPIO_SATA0_POWER, 1);
		if (err)
			gpio_free(D2NET_GPIO_SATA0_POWER);
	}
	if (err)
		pr_err("d2net: failed to configure SATA0 power GPIO\n");

	err = gpio_request(D2NET_GPIO_SATA1_POWER, "SATA1 power");
	if (err == 0) {
		err = gpio_direction_output(D2NET_GPIO_SATA1_POWER, 1);
		if (err)
			gpio_free(D2NET_GPIO_SATA1_POWER);
	}
	if (err)
		pr_err("d2net: failed to configure SATA1 power GPIO\n");
}

/*****************************************************************************
 * GPIO LED's
 ****************************************************************************/

/*
 * The blue front LED is wired to the CPLD and can blink in relation with the
 * SATA activity.
 *
 * The following array detail the different LED registers and the combination
 * of their possible values:
 *
 * led_off   | blink_ctrl | SATA active | LED state
 *           |            |             |
 *    1      |     x      |      x      |  off
 *    0      |     0      |      0      |  off
 *    0      |     1      |      0      |  blink (rate 300ms)
 *    0      |     x      |      1      |  on
 *
 * Notes: The blue and the red front LED's can't be on at the same time.
 *        Red LED have priority.
 */

#define D2NET_GPIO_RED_LED		6
#define D2NET_GPIO_BLUE_LED_BLINK_CTRL	16
#define D2NET_GPIO_BLUE_LED_OFF		23

static struct gpio_led d2net_leds[] = {
	{
		.name = "d2net:blue:sata",
		.default_trigger = "default-on",
		.gpio = D2NET_GPIO_BLUE_LED_OFF,
		.active_low = 1,
	},
	{
		.name = "d2net:red:fail",
		.gpio = D2NET_GPIO_RED_LED,
	},
};

static struct gpio_led_platform_data d2net_led_data = {
	.num_leds = ARRAY_SIZE(d2net_leds),
	.leds = d2net_leds,
};

static struct platform_device d2net_gpio_leds = {
	.name           = "leds-gpio",
	.id             = -1,
	.dev            = {
		.platform_data  = &d2net_led_data,
	},
};

static void __init d2net_gpio_leds_init(void)
{
	int err;

	/* Configure GPIO over MPP max number. */
	orion_gpio_set_valid(D2NET_GPIO_BLUE_LED_OFF, 1);

	/* Configure register blink_ctrl to allow SATA activity LED blinking. */
	err = gpio_request(D2NET_GPIO_BLUE_LED_BLINK_CTRL, "blue LED blink");
	if (err == 0) {
		err = gpio_direction_output(D2NET_GPIO_BLUE_LED_BLINK_CTRL, 1);
		if (err)
			gpio_free(D2NET_GPIO_BLUE_LED_BLINK_CTRL);
	}
	if (err)
		pr_err("d2net: failed to configure blue LED blink GPIO\n");

	platform_device_register(&d2net_gpio_leds);
}

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

#define D2NET_GPIO_PUSH_BUTTON		18
#define D2NET_GPIO_POWER_SWITCH_ON	8
#define D2NET_GPIO_POWER_SWITCH_OFF	9

#define D2NET_SWITCH_POWER_ON		0x1
#define D2NET_SWITCH_POWER_OFF		0x2

static struct gpio_keys_button d2net_buttons[] = {
	{
		.type		= EV_SW,
		.code		= D2NET_SWITCH_POWER_OFF,
		.gpio		= D2NET_GPIO_POWER_SWITCH_OFF,
		.desc		= "Power rocker switch (auto|off)",
		.active_low	= 0,
	},
	{
		.type		= EV_SW,
		.code		= D2NET_SWITCH_POWER_ON,
		.gpio		= D2NET_GPIO_POWER_SWITCH_ON,
		.desc		= "Power rocker switch (on|auto)",
		.active_low	= 0,
	},
	{
		.type		= EV_KEY,
		.code		= KEY_POWER,
		.gpio		= D2NET_GPIO_PUSH_BUTTON,
		.desc		= "Front Push Button",
		.active_low	= 0,
	},
};

static struct gpio_keys_platform_data d2net_button_data = {
	.buttons	= d2net_buttons,
	.nbuttons	= ARRAY_SIZE(d2net_buttons),
};

static struct platform_device d2net_gpio_buttons = {
	.name		= "gpio-keys",
	.id		= -1,
	.dev		= {
		.platform_data	= &d2net_button_data,
	},
};

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

static struct orion5x_mpp_mode d2net_mpp_modes[] __initdata = {
	{  0, MPP_GPIO },	/* Board ID (bit 0) */
	{  1, MPP_GPIO },	/* Board ID (bit 1) */
	{  2, MPP_GPIO },	/* Board ID (bit 2) */
	{  3, MPP_GPIO },	/* SATA 0 power */
	{  4, MPP_UNUSED },
	{  5, MPP_GPIO },	/* Fan fail detection */
	{  6, MPP_GPIO },	/* Red front LED */
	{  7, MPP_UNUSED },
	{  8, MPP_GPIO },	/* Rear power switch (on|auto) */
	{  9, MPP_GPIO },	/* Rear power switch (auto|off) */
	{ 10, MPP_UNUSED },
	{ 11, MPP_UNUSED },
	{ 12, MPP_GPIO },	/* SATA 1 power */
	{ 13, MPP_UNUSED },
	{ 14, MPP_SATA_LED },	/* SATA 0 active */
	{ 15, MPP_SATA_LED },	/* SATA 1 active */
	{ 16, MPP_GPIO },	/* Blue front LED blink control */
	{ 17, MPP_UNUSED },
	{ 18, MPP_GPIO },	/* Front button (0 = Released, 1 = Pushed ) */
	{ 19, MPP_UNUSED },
	{ -1 }
	/* 22: USB port 1 fuse (0 = Fail, 1 = Ok) */
	/* 23: Blue front LED off */
	/* 24: Inhibit board power off (0 = Disabled, 1 = Enabled) */
};

#define D2NET_GPIO_INHIBIT_POWER_OFF    24

static void __init d2net_init(void)
{
	/*
	 * Setup basic Orion functions. Need to be called early.
	 */
	orion5x_init();

	orion5x_mpp_conf(d2net_mpp_modes);

	/*
	 * Configure peripherals.
	 */
	orion5x_ehci0_init();
	orion5x_eth_init(&d2net_eth_data);
	orion5x_i2c_init();
	orion5x_uart0_init();

	d2net_sata_power_init();
	orion5x_sata_init(&d2net_sata_data);

	orion5x_setup_dev_boot_win(D2NET_NOR_BOOT_BASE,
				D2NET_NOR_BOOT_SIZE);
	platform_device_register(&d2net_nor_flash);

	platform_device_register(&d2net_gpio_buttons);

	d2net_gpio_leds_init();

	pr_notice("d2net: Flash write are not yet supported.\n");

	i2c_register_board_info(0, d2net_i2c_devices,
				ARRAY_SIZE(d2net_i2c_devices));

	orion_gpio_set_valid(D2NET_GPIO_INHIBIT_POWER_OFF, 1);
}

/* Warning: LaCie use a wrong mach-type (0x20e=526) in their bootloader. */

#ifdef CONFIG_MACH_D2NET
MACHINE_START(D2NET, "LaCie d2 Network")
	.phys_io	= ORION5X_REGS_PHYS_BASE,
	.io_pg_offst	= ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
	.boot_params	= 0x00000100,
	.init_machine	= d2net_init,
	.map_io		= orion5x_map_io,
	.init_irq	= orion5x_init_irq,
	.timer		= &orion5x_timer,
	.fixup		= tag_fixup_mem32,
MACHINE_END
#endif

#ifdef CONFIG_MACH_BIGDISK
MACHINE_START(BIGDISK, "LaCie Big Disk Network")
	.phys_io	= ORION5X_REGS_PHYS_BASE,
	.io_pg_offst	= ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
	.boot_params	= 0x00000100,
	.init_machine	= d2net_init,
	.map_io		= orion5x_map_io,
	.init_irq	= orion5x_init_irq,
	.timer		= &orion5x_timer,
	.fixup		= tag_fixup_mem32,
MACHINE_END
#endif