aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-kirkwood/netspace_v2-setup.c
blob: 3ae158d72681f13a2a6f9e0246c08e3a3f618d3a (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
/*
 * arch/arm/mach-kirkwood/netspace_v2-setup.c
 *
 * LaCie Network Space v2 board setup
 *
 * Copyright (C) 2009 Simon Guinot <sguinot@lacie.com>
 * Copyright (C) 2009 Benoît Canet <benoit.canet@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/spi/flash.h>
#include <linux/spi/spi.h>
#include <linux/ata_platform.h>
#include <linux/mv643xx_eth.h>
#include <linux/i2c.h>
#include <linux/i2c/at24.h>
#include <linux/input.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/leds.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <mach/kirkwood.h>
#include <plat/time.h>
#include "common.h"
#include "mpp.h"

/*****************************************************************************
 * 512KB SPI Flash on Boot Device (MACRONIX MX25L4005)
 ****************************************************************************/

static struct mtd_partition netspace_v2_flash_parts[] = {
	{
		.name = "u-boot",
		.size = MTDPART_SIZ_FULL,
		.offset = 0,
		.mask_flags = MTD_WRITEABLE, /* force read-only */
	},
};

static const struct flash_platform_data netspace_v2_flash = {
	.type		= "mx25l4005a",
	.name		= "spi_flash",
	.parts		= netspace_v2_flash_parts,
	.nr_parts	= ARRAY_SIZE(netspace_v2_flash_parts),
};

static struct spi_board_info __initdata netspace_v2_spi_slave_info[] = {
	{
		.modalias	= "m25p80",
		.platform_data	= &netspace_v2_flash,
		.irq		= -1,
		.max_speed_hz	= 20000000,
		.bus_num	= 0,
		.chip_select	= 0,
	},
};

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

static struct mv643xx_eth_platform_data netspace_v2_ge00_data = {
	.phy_addr	= MV643XX_ETH_PHY_ADDR(8),
};

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

static struct at24_platform_data at24c04 = {
	.byte_len	= SZ_4K / 8,
	.page_size	= 16,
};

/*
 * i2c addr | chip         | description
 * 0x50     | HT24LC04     | eeprom (512B)
 */

static struct i2c_board_info __initdata netspace_v2_i2c_info[] = {
	{
		I2C_BOARD_INFO("24c04", 0x50),
		.platform_data  = &at24c04,
	}
};

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

static struct mv_sata_platform_data netspace_v2_sata_data = {
	.n_ports	= 2,
};

#define NETSPACE_V2_GPIO_SATA0_POWER	16
#define NETSPACE_V2_GPIO_SATA1_POWER	17

static void __init netspace_v2_sata_power_init(void)
{
	int err;

	err = gpio_request(NETSPACE_V2_GPIO_SATA0_POWER, "SATA0 power");
	if (err == 0) {
		err = gpio_direction_output(NETSPACE_V2_GPIO_SATA0_POWER, 1);
		if (err)
			gpio_free(NETSPACE_V2_GPIO_SATA0_POWER);
	}
	if (err)
		pr_err("netspace_v2: failed to setup SATA0 power\n");
}

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

#define NETSPACE_V2_PUSH_BUTTON		32

static struct gpio_keys_button netspace_v2_buttons[] = {
	[0] = {
		.code		= KEY_POWER,
		.gpio		= NETSPACE_V2_PUSH_BUTTON,
		.desc		= "Power push button",
		.active_low	= 0,
	},
};

static struct gpio_keys_platform_data netspace_v2_button_data = {
	.buttons	= netspace_v2_buttons,
	.nbuttons	= ARRAY_SIZE(netspace_v2_buttons),
};

static struct platform_device netspace_v2_gpio_buttons = {
	.name		= "gpio-keys",
	.id		= -1,
	.dev		= {
		.platform_data 	= &netspace_v2_button_data,
	},
};

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

/*
 * The blue front LED is wired to a 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:
 *
 *  cmd_led   |  slow_led  | /SATA active | LED state
 *            |            |              |
 *     1      |     0      |      x       |  off
 *     -      |     1      |      x       |  on
 *     0      |     0      |      1       |  on
 *     0      |     0      |      0       |  blink (rate 300ms)
 */

#define NETSPACE_V2_GPIO_RED_LED	12
#define NETSPACE_V2_GPIO_BLUE_LED_SLOW	29
#define NETSPACE_V2_GPIO_BLUE_LED_CMD	30


static struct gpio_led netspace_v2_gpio_led_pins[] = {
	{
		.name			= "ns_v2:blue:sata",
		.default_trigger	= "default-on",
		.gpio			= NETSPACE_V2_GPIO_BLUE_LED_CMD,
		.active_low		= 1,
	},
	{
		.name			= "ns_v2:red:fail",
		.gpio			= NETSPACE_V2_GPIO_RED_LED,
	},
};

static struct gpio_led_platform_data netspace_v2_gpio_leds_data = {
	.num_leds	= ARRAY_SIZE(netspace_v2_gpio_led_pins),
	.leds		= netspace_v2_gpio_led_pins,
};

static struct platform_device netspace_v2_gpio_leds = {
	.name		= "leds-gpio",
	.id		= -1,
	.dev		= {
		.platform_data	= &netspace_v2_gpio_leds_data,
	},
};

static void __init netspace_v2_gpio_leds_init(void)
{
	int err;

	/* Configure register slow_led to allow SATA activity LED blinking */
	err = gpio_request(NETSPACE_V2_GPIO_BLUE_LED_SLOW, "blue LED slow");
	if (err == 0) {
		err = gpio_direction_output(NETSPACE_V2_GPIO_BLUE_LED_SLOW, 0);
		if (err)
			gpio_free(NETSPACE_V2_GPIO_BLUE_LED_SLOW);
	}
	if (err)
		pr_err("netspace_v2: failed to configure blue LED slow GPIO\n");

	platform_device_register(&netspace_v2_gpio_leds);
}

/*****************************************************************************
 * Timer
 ****************************************************************************/

static void netspace_v2_timer_init(void)
{
	kirkwood_tclk = 166666667;
	orion_time_init(IRQ_KIRKWOOD_BRIDGE, kirkwood_tclk);
}

struct sys_timer netspace_v2_timer = {
	.init = netspace_v2_timer_init,
};

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

static unsigned int netspace_v2_mpp_config[] __initdata = {
	MPP0_SPI_SCn,
	MPP1_SPI_MOSI,
	MPP2_SPI_SCK,
	MPP3_SPI_MISO,
	MPP4_NF_IO6,
	MPP5_NF_IO7,
	MPP6_SYSRST_OUTn,
	MPP8_TW_SDA,
	MPP9_TW_SCK,
	MPP10_UART0_TXD,
	MPP11_UART0_RXD,
	MPP12_GPO,		/* Red led */
	MPP14_GPIO,		/* USB fuse */
	MPP16_GPIO,		/* SATA 0 power */
	MPP18_NF_IO0,
	MPP19_NF_IO1,
	MPP20_SATA1_ACTn,
	MPP21_SATA0_ACTn,
	MPP24_GPIO,		/* USB mode select */
	MPP25_GPIO,		/* Fan rotation fail */
	MPP26_GPIO,		/* USB device vbus */
	MPP28_GPIO,		/* USB enable host vbus */
	MPP29_GPIO,		/* Blue led (slow register) */
	MPP30_GPIO,		/* Blue led (command register) */
	MPP31_GPIO,		/* Board power off */
	MPP32_GPIO, 		/* Power button (0 = Released, 1 = Pushed) */
	0
};

#define NETSPACE_V2_GPIO_POWER_OFF	31

static void netspace_v2_power_off(void)
{
	gpio_set_value(NETSPACE_V2_GPIO_POWER_OFF, 1);
}

static void __init netspace_v2_init(void)
{
	/*
	 * Basic setup. Needs to be called early.
	 */
	kirkwood_init();
	kirkwood_mpp_conf(netspace_v2_mpp_config);

	netspace_v2_sata_power_init();

	kirkwood_ehci_init();
	kirkwood_ge00_init(&netspace_v2_ge00_data);
	kirkwood_sata_init(&netspace_v2_sata_data);
	kirkwood_uart0_init();
	spi_register_board_info(netspace_v2_spi_slave_info,
				ARRAY_SIZE(netspace_v2_spi_slave_info));
	kirkwood_spi_init();
	kirkwood_i2c_init();
	i2c_register_board_info(0, netspace_v2_i2c_info,
				ARRAY_SIZE(netspace_v2_i2c_info));

	netspace_v2_gpio_leds_init();
	platform_device_register(&netspace_v2_gpio_buttons);

	if (gpio_request(NETSPACE_V2_GPIO_POWER_OFF, "power-off") == 0 &&
	    gpio_direction_output(NETSPACE_V2_GPIO_POWER_OFF, 0) == 0)
		pm_power_off = netspace_v2_power_off;
	else
		pr_err("netspace_v2: failed to configure power-off GPIO\n");
}

#ifdef CONFIG_MACH_NETSPACE_V2
MACHINE_START(NETSPACE_V2, "LaCie Network Space v2")
	.phys_io	= KIRKWOOD_REGS_PHYS_BASE,
	.io_pg_offst	= ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
	.boot_params	= 0x00000100,
	.init_machine	= netspace_v2_init,
	.map_io		= kirkwood_map_io,
	.init_irq	= kirkwood_init_irq,
	.timer		= &netspace_v2_timer,
MACHINE_END
#endif

#ifdef CONFIG_MACH_INETSPACE_V2
MACHINE_START(INETSPACE_V2, "LaCie Internet Space v2")
	.phys_io	= KIRKWOOD_REGS_PHYS_BASE,
	.io_pg_offst	= ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
	.boot_params	= 0x00000100,
	.init_machine	= netspace_v2_init,
	.map_io		= kirkwood_map_io,
	.init_irq	= kirkwood_init_irq,
	.timer		= &netspace_v2_timer,
MACHINE_END
#endif