aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-omap2/board-igep0030.c
blob: 22b0b253e16b4cc0858fcc8608172692155f6f7c (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
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
/*
 * Copyright (C) 2010 - ISEE 2007 SL
 *
 * Modified from mach-omap2/board-generic.c
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/interrupt.h>

#include <linux/regulator/machine.h>
#include <linux/i2c/twl.h>
#include <linux/mmc/host.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>

#include <plat/board.h>
#include <plat/common.h>
#include <plat/gpmc.h>
#include <plat/usb.h>
#include <plat/onenand.h>

#include "mux.h"
#include "hsmmc.h"
#include "sdram-numonyx-m65kxxxxam.h"

#define IGEP3_GPIO_LED0_GREEN	54
#define IGEP3_GPIO_LED0_RED	53
#define IGEP3_GPIO_LED1_RED	16

#define IGEP3_GPIO_WIFI_NPD	138
#define IGEP3_GPIO_WIFI_NRESET	139
#define IGEP3_GPIO_BT_NRESET	137

#define IGEP3_GPIO_USBH_NRESET  115


#if defined(CONFIG_MTD_ONENAND_OMAP2) || \
	defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)

#define ONENAND_MAP             0x20000000

/*
 * x2 Flash built-in COMBO POP MEMORY
 * Since the device is equipped with two DataRAMs, and two-plane NAND
 * Flash memory array, these two component enables simultaneous program
 * of 4KiB. Plane1 has only even blocks such as block0, block2, block4
 * while Plane2 has only odd blocks such as block1, block3, block5.
 * So MTD regards it as 4KiB page size and 256KiB block size 64*(2*2048)
 */

static struct mtd_partition igep3_onenand_partitions[] = {
	{
		.name           = "X-Loader",
		.offset         = 0,
		.size           = 2 * (64*(2*2048))
	},
	{
		.name           = "U-Boot",
		.offset         = MTDPART_OFS_APPEND,
		.size           = 6 * (64*(2*2048)),
	},
	{
		.name           = "Environment",
		.offset         = MTDPART_OFS_APPEND,
		.size           = 2 * (64*(2*2048)),
	},
	{
		.name           = "Kernel",
		.offset         = MTDPART_OFS_APPEND,
		.size           = 12 * (64*(2*2048)),
	},
	{
		.name           = "File System",
		.offset         = MTDPART_OFS_APPEND,
		.size           = MTDPART_SIZ_FULL,
	},
};

static struct omap_onenand_platform_data igep3_onenand_pdata = {
	.parts = igep3_onenand_partitions,
	.nr_parts = ARRAY_SIZE(igep3_onenand_partitions),
	.onenand_setup = NULL,
	.dma_channel	= -1,	/* disable DMA in OMAP OneNAND driver */
};

static struct platform_device igep3_onenand_device = {
	.name		= "omap2-onenand",
	.id		= -1,
	.dev = {
		.platform_data = &igep3_onenand_pdata,
	},
};

void __init igep3_flash_init(void)
{
	u8 cs = 0;
	u8 onenandcs = GPMC_CS_NUM + 1;

	for (cs = 0; cs < GPMC_CS_NUM; cs++) {
		u32 ret;
		ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);

		/* Check if NAND/oneNAND is configured */
		if ((ret & 0xC00) == 0x800)
			/* NAND found */
			pr_err("IGEP3: Unsupported NAND found\n");
		else {
			ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG7);

			if ((ret & 0x3F) == (ONENAND_MAP >> 24))
				/* OneNAND found */
				onenandcs = cs;
		}
	}

	if (onenandcs > GPMC_CS_NUM) {
		pr_err("IGEP3: Unable to find configuration in GPMC\n");
		return;
	}

	igep3_onenand_pdata.cs = onenandcs;

	if (platform_device_register(&igep3_onenand_device) < 0)
		pr_err("IGEP3: Unable to register OneNAND device\n");
}

#else
void __init igep3_flash_init(void) {}
#endif

static struct regulator_consumer_supply igep3_vmmc1_supply = {
	.supply		= "vmmc",
};

/* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
static struct regulator_init_data igep3_vmmc1 = {
	.constraints = {
		.min_uV			= 1850000,
		.max_uV			= 3150000,
		.valid_modes_mask	= REGULATOR_MODE_NORMAL
					| REGULATOR_MODE_STANDBY,
		.valid_ops_mask		= REGULATOR_CHANGE_VOLTAGE
					| REGULATOR_CHANGE_MODE
					| REGULATOR_CHANGE_STATUS,
	},
	.num_consumer_supplies  = 1,
	.consumer_supplies      = &igep3_vmmc1_supply,
};

static struct omap2_hsmmc_info mmc[] = {
	[0] = {
		.mmc		= 1,
		.caps		= MMC_CAP_4_BIT_DATA,
		.gpio_cd	= -EINVAL,
		.gpio_wp	= -EINVAL,
	},
#if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
	[1] = {
		.mmc		= 2,
		.caps		= MMC_CAP_4_BIT_DATA,
		.gpio_cd	= -EINVAL,
		.gpio_wp	= -EINVAL,
	},
#endif
	{}      /* Terminator */
};

#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
#include <linux/leds.h>

static struct gpio_led igep3_gpio_leds[] = {
	[0] = {
		.name			= "gpio-led:red:d0",
		.gpio			= IGEP3_GPIO_LED0_RED,
		.default_trigger	= "default-off"
	},
	[1] = {
		.name			= "gpio-led:green:d0",
		.gpio			= IGEP3_GPIO_LED0_GREEN,
		.default_trigger	= "default-off",
	},
	[2] = {
		.name			= "gpio-led:red:d1",
		.gpio			= IGEP3_GPIO_LED1_RED,
		.default_trigger	= "default-off",
	},
	[3] = {
		.name			= "gpio-led:green:d1",
		.default_trigger	= "heartbeat",
		.gpio			= -EINVAL, /* gets replaced */
	},
};

static struct gpio_led_platform_data igep3_led_pdata = {
	.leds           = igep3_gpio_leds,
	.num_leds       = ARRAY_SIZE(igep3_gpio_leds),
};

static struct platform_device igep3_led_device = {
	 .name   = "leds-gpio",
	 .id     = -1,
	 .dev    = {
		 .platform_data = &igep3_led_pdata,
	},
};

static void __init igep3_leds_init(void)
{
	platform_device_register(&igep3_led_device);
}

#else
static inline void igep3_leds_init(void)
{
	if ((gpio_request(IGEP3_GPIO_LED0_RED, "gpio-led:red:d0") == 0) &&
	    (gpio_direction_output(IGEP3_GPIO_LED0_RED, 1) == 0)) {
		gpio_export(IGEP3_GPIO_LED0_RED, 0);
		gpio_set_value(IGEP3_GPIO_LED0_RED, 1);
	} else
		pr_warning("IGEP3: Could not obtain gpio GPIO_LED0_RED\n");

	if ((gpio_request(IGEP3_GPIO_LED0_GREEN, "gpio-led:green:d0") == 0) &&
	    (gpio_direction_output(IGEP3_GPIO_LED0_GREEN, 1) == 0)) {
		gpio_export(IGEP3_GPIO_LED0_GREEN, 0);
		gpio_set_value(IGEP3_GPIO_LED0_GREEN, 1);
	} else
		pr_warning("IGEP3: Could not obtain gpio GPIO_LED0_GREEN\n");

	if ((gpio_request(IGEP3_GPIO_LED1_RED, "gpio-led:red:d1") == 0) &&
		(gpio_direction_output(IGEP3_GPIO_LED1_RED, 1) == 0)) {
		gpio_export(IGEP3_GPIO_LED1_RED, 0);
		gpio_set_value(IGEP3_GPIO_LED1_RED, 1);
	} else
		pr_warning("IGEP3: Could not obtain gpio GPIO_LED1_RED\n");
}
#endif

static int igep3_twl4030_gpio_setup(struct device *dev,
		unsigned gpio, unsigned ngpio)
{
	/* gpio + 0 is "mmc0_cd" (input/IRQ) */
	mmc[0].gpio_cd = gpio + 0;
	omap2_hsmmc_init(mmc);

	/*
	 * link regulators to MMC adapters ... we "know" the
	 * regulators will be set up only *after* we return.
	 */
	igep3_vmmc1_supply.dev = mmc[0].dev;

	/* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
#if !defined(CONFIG_LEDS_GPIO) && !defined(CONFIG_LEDS_GPIO_MODULE)
	if ((gpio_request(gpio+TWL4030_GPIO_MAX+1, "gpio-led:green:d1") == 0)
	    && (gpio_direction_output(gpio + TWL4030_GPIO_MAX + 1, 1) == 0)) {
		gpio_export(gpio + TWL4030_GPIO_MAX + 1, 0);
		gpio_set_value(gpio + TWL4030_GPIO_MAX + 1, 0);
	} else
		pr_warning("IGEP3: Could not obtain gpio GPIO_LED1_GREEN\n");
#else
	igep3_gpio_leds[3].gpio = gpio + TWL4030_GPIO_MAX + 1;
#endif

	return 0;
};

static struct twl4030_gpio_platform_data igep3_twl4030_gpio_pdata = {
	.gpio_base	= OMAP_MAX_GPIO_LINES,
	.irq_base	= TWL4030_GPIO_IRQ_BASE,
	.irq_end	= TWL4030_GPIO_IRQ_END,
	.use_leds	= true,
	.setup		= igep3_twl4030_gpio_setup,
};

static struct twl4030_usb_data igep3_twl4030_usb_data = {
	.usb_mode	= T2_USB_MODE_ULPI,
};

static void __init igep3_init_irq(void)
{
	omap2_init_common_hw(m65kxxxxam_sdrc_params, m65kxxxxam_sdrc_params);
	omap_init_irq();
	omap_gpio_init();
}

static struct twl4030_platform_data igep3_twl4030_pdata = {
	.irq_base	= TWL4030_IRQ_BASE,
	.irq_end	= TWL4030_IRQ_END,

	/* platform_data for children goes here */
	.usb		= &igep3_twl4030_usb_data,
	.gpio		= &igep3_twl4030_gpio_pdata,
	.vmmc1		= &igep3_vmmc1,
};

static struct i2c_board_info __initdata igep3_i2c_boardinfo[] = {
	{
		I2C_BOARD_INFO("twl4030", 0x48),
		.flags		= I2C_CLIENT_WAKE,
		.irq		= INT_34XX_SYS_NIRQ,
		.platform_data	= &igep3_twl4030_pdata,
	},
};

static int __init igep3_i2c_init(void)
{
	omap_register_i2c_bus(1, 2600, igep3_i2c_boardinfo,
			ARRAY_SIZE(igep3_i2c_boardinfo));

	return 0;
}

static struct omap_musb_board_data musb_board_data = {
	.interface_type	= MUSB_INTERFACE_ULPI,
	.mode		= MUSB_OTG,
	.power		= 100,
};

#if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)

static void __init igep3_wifi_bt_init(void)
{
	/* Configure MUX values for W-LAN + Bluetooth GPIO's */
	omap_mux_init_gpio(IGEP3_GPIO_WIFI_NPD, OMAP_PIN_OUTPUT);
	omap_mux_init_gpio(IGEP3_GPIO_WIFI_NRESET, OMAP_PIN_OUTPUT);
	omap_mux_init_gpio(IGEP3_GPIO_BT_NRESET, OMAP_PIN_OUTPUT);

	/* Set GPIO's for  W-LAN + Bluetooth combo module */
	if ((gpio_request(IGEP3_GPIO_WIFI_NPD, "GPIO_WIFI_NPD") == 0) &&
	    (gpio_direction_output(IGEP3_GPIO_WIFI_NPD, 1) == 0)) {
		gpio_export(IGEP3_GPIO_WIFI_NPD, 0);
	} else
		pr_warning("IGEP3: Could not obtain gpio GPIO_WIFI_NPD\n");

	if ((gpio_request(IGEP3_GPIO_WIFI_NRESET, "GPIO_WIFI_NRESET") == 0) &&
	    (gpio_direction_output(IGEP3_GPIO_WIFI_NRESET, 1) == 0)) {
		gpio_export(IGEP3_GPIO_WIFI_NRESET, 0);
		gpio_set_value(IGEP3_GPIO_WIFI_NRESET, 0);
		udelay(10);
		gpio_set_value(IGEP3_GPIO_WIFI_NRESET, 1);
	} else
		pr_warning("IGEP3: Could not obtain gpio GPIO_WIFI_NRESET\n");

	if ((gpio_request(IGEP3_GPIO_BT_NRESET, "GPIO_BT_NRESET") == 0) &&
	    (gpio_direction_output(IGEP3_GPIO_BT_NRESET, 1) == 0)) {
		gpio_export(IGEP3_GPIO_BT_NRESET, 0);
	} else
		pr_warning("IGEP3: Could not obtain gpio GPIO_BT_NRESET\n");
}
#else
void __init igep3_wifi_bt_init(void) {}
#endif

#ifdef CONFIG_OMAP_MUX
static struct omap_board_mux board_mux[] __initdata = {
	{ .reg_offset = OMAP_MUX_TERMINATOR },
};
#else
#define board_mux	NULL
#endif

static void __init igep3_init(void)
{
	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);

	/* Register I2C busses and drivers */
	igep3_i2c_init();

	omap_serial_init();
	usb_musb_init(&musb_board_data);

	igep3_flash_init();
	igep3_leds_init();

	/*
	 * WLAN-BT combo module from MuRata wich has a Marvell WLAN
	 * (88W8686) + CSR Bluetooth chipset. Uses SDIO interface.
	 */
	igep3_wifi_bt_init();

}

MACHINE_START(IGEP0030, "IGEP OMAP3 module")
	.boot_params	= 0x80000100,
	.map_io		= omap3_map_io,
	.init_irq	= igep3_init_irq,
	.init_machine	= igep3_init,
	.timer		= &omap_timer,
MACHINE_END