summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-orion5x/lsmini-setup.c
blob: ca4dbe973dafa9e9e5a302cb149c8cd91c2fc627 (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
/*
 * 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
OpenPOWER on IntegriCloud