aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-imx/mach-armadillo5x0.c
blob: 215259083945dad58cd0c7bad7970a97453597f5 (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
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
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
/*
 * armadillo5x0.c
 *
 * Copyright 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com>
 * updates in http://alberdroid.blogspot.com/
 *
 * Based on Atmark Techno, Inc. armadillo 500 BSP 2008
 * Based on mx31ads.c and pcm037.c Great Work!
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301, USA.
 */

#include <linux/types.h>
#include <linux/init.h>
#include <linux/clk.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/smsc911x.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/mtd/physmap.h>
#include <linux/io.h>
#include <linux/input.h>
#include <linux/i2c.h>
#include <linux/usb/otg.h>
#include <linux/usb/ulpi.h>
#include <linux/delay.h>

#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/memory.h>
#include <asm/mach/map.h>

#include <mach/common.h>
#include <mach/iomux-mx3.h>
#include <mach/ulpi.h>

#include "devices-imx31.h"
#include "crmregs-imx31.h"

static int armadillo5x0_pins[] = {
	/* UART1 */
	MX31_PIN_CTS1__CTS1,
	MX31_PIN_RTS1__RTS1,
	MX31_PIN_TXD1__TXD1,
	MX31_PIN_RXD1__RXD1,
	/* UART2 */
	MX31_PIN_CTS2__CTS2,
	MX31_PIN_RTS2__RTS2,
	MX31_PIN_TXD2__TXD2,
	MX31_PIN_RXD2__RXD2,
	/* LAN9118_IRQ */
	IOMUX_MODE(MX31_PIN_GPIO1_0, IOMUX_CONFIG_GPIO),
	/* SDHC1 */
	MX31_PIN_SD1_DATA3__SD1_DATA3,
	MX31_PIN_SD1_DATA2__SD1_DATA2,
	MX31_PIN_SD1_DATA1__SD1_DATA1,
	MX31_PIN_SD1_DATA0__SD1_DATA0,
	MX31_PIN_SD1_CLK__SD1_CLK,
	MX31_PIN_SD1_CMD__SD1_CMD,
	/* Framebuffer */
	MX31_PIN_LD0__LD0,
	MX31_PIN_LD1__LD1,
	MX31_PIN_LD2__LD2,
	MX31_PIN_LD3__LD3,
	MX31_PIN_LD4__LD4,
	MX31_PIN_LD5__LD5,
	MX31_PIN_LD6__LD6,
	MX31_PIN_LD7__LD7,
	MX31_PIN_LD8__LD8,
	MX31_PIN_LD9__LD9,
	MX31_PIN_LD10__LD10,
	MX31_PIN_LD11__LD11,
	MX31_PIN_LD12__LD12,
	MX31_PIN_LD13__LD13,
	MX31_PIN_LD14__LD14,
	MX31_PIN_LD15__LD15,
	MX31_PIN_LD16__LD16,
	MX31_PIN_LD17__LD17,
	MX31_PIN_VSYNC3__VSYNC3,
	MX31_PIN_HSYNC__HSYNC,
	MX31_PIN_FPSHIFT__FPSHIFT,
	MX31_PIN_DRDY0__DRDY0,
	IOMUX_MODE(MX31_PIN_LCS1, IOMUX_CONFIG_GPIO), /*ADV7125_PSAVE*/
	/* I2C2 */
	MX31_PIN_CSPI2_MOSI__SCL,
	MX31_PIN_CSPI2_MISO__SDA,
	/* OTG */
	MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
	MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
	MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
	MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
	MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
	MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
	MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
	MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
	MX31_PIN_USBOTG_CLK__USBOTG_CLK,
	MX31_PIN_USBOTG_DIR__USBOTG_DIR,
	MX31_PIN_USBOTG_NXT__USBOTG_NXT,
	MX31_PIN_USBOTG_STP__USBOTG_STP,
	/* USB host 2 */
	IOMUX_MODE(MX31_PIN_USBH2_CLK, IOMUX_CONFIG_FUNC),
	IOMUX_MODE(MX31_PIN_USBH2_DIR, IOMUX_CONFIG_FUNC),
	IOMUX_MODE(MX31_PIN_USBH2_NXT, IOMUX_CONFIG_FUNC),
	IOMUX_MODE(MX31_PIN_USBH2_STP, IOMUX_CONFIG_FUNC),
	IOMUX_MODE(MX31_PIN_USBH2_DATA0, IOMUX_CONFIG_FUNC),
	IOMUX_MODE(MX31_PIN_USBH2_DATA1, IOMUX_CONFIG_FUNC),
	IOMUX_MODE(MX31_PIN_STXD3, IOMUX_CONFIG_FUNC),
	IOMUX_MODE(MX31_PIN_SRXD3, IOMUX_CONFIG_FUNC),
	IOMUX_MODE(MX31_PIN_SCK3, IOMUX_CONFIG_FUNC),
	IOMUX_MODE(MX31_PIN_SFS3, IOMUX_CONFIG_FUNC),
	IOMUX_MODE(MX31_PIN_STXD6, IOMUX_CONFIG_FUNC),
	IOMUX_MODE(MX31_PIN_SRXD6, IOMUX_CONFIG_FUNC),
};

/* USB */

#define OTG_RESET IOMUX_TO_GPIO(MX31_PIN_STXD4)
#define USBH2_RESET IOMUX_TO_GPIO(MX31_PIN_SCK6)
#define USBH2_CS IOMUX_TO_GPIO(MX31_PIN_GPIO1_3)

#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
			PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)

static int usbotg_init(struct platform_device *pdev)
{
	int err;

	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG);

	/* Chip already enabled by hardware */
	/* OTG phy reset*/
	err = gpio_request(OTG_RESET, "USB-OTG-RESET");
	if (err) {
		pr_err("Failed to request the usb otg reset gpio\n");
		return err;
	}

	err = gpio_direction_output(OTG_RESET, 1/*HIGH*/);
	if (err) {
		pr_err("Failed to reset the usb otg phy\n");
		goto otg_free_reset;
	}

	gpio_set_value(OTG_RESET, 0/*LOW*/);
	mdelay(5);
	gpio_set_value(OTG_RESET, 1/*HIGH*/);
	mdelay(10);

	return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED |
			MXC_EHCI_INTERFACE_DIFF_UNI);

otg_free_reset:
	gpio_free(OTG_RESET);
	return err;
}

static int usbh2_init(struct platform_device *pdev)
{
	int err;

	mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG);
	mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG);

	mxc_iomux_set_gpr(MUX_PGP_UH2, true);


	/* Enable the chip */
	err = gpio_request(USBH2_CS, "USB-H2-CS");
	if (err) {
		pr_err("Failed to request the usb host 2 CS gpio\n");
		return err;
	}

	err = gpio_direction_output(USBH2_CS, 0/*Enabled*/);
	if (err) {
		pr_err("Failed to drive the usb host 2 CS gpio\n");
		goto h2_free_cs;
	}

	/* H2 phy reset*/
	err = gpio_request(USBH2_RESET, "USB-H2-RESET");
	if (err) {
		pr_err("Failed to request the usb host 2 reset gpio\n");
		goto h2_free_cs;
	}

	err = gpio_direction_output(USBH2_RESET, 1/*HIGH*/);
	if (err) {
		pr_err("Failed to reset the usb host 2 phy\n");
		goto h2_free_reset;
	}

	gpio_set_value(USBH2_RESET, 0/*LOW*/);
	mdelay(5);
	gpio_set_value(USBH2_RESET, 1/*HIGH*/);
	mdelay(10);

	return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED |
			MXC_EHCI_INTERFACE_DIFF_UNI);

h2_free_reset:
	gpio_free(USBH2_RESET);
h2_free_cs:
	gpio_free(USBH2_CS);
	return err;
}

static struct mxc_usbh_platform_data usbotg_pdata __initdata = {
	.init	= usbotg_init,
	.portsc	= MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
};

static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
	.init	= usbh2_init,
	.portsc	= MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
};

/* RTC over I2C*/
#define ARMADILLO5X0_RTC_GPIO	IOMUX_TO_GPIO(MX31_PIN_SRXD4)

static struct i2c_board_info armadillo5x0_i2c_rtc = {
	I2C_BOARD_INFO("s35390a", 0x30),
};

/* GPIO BUTTONS */
static struct gpio_keys_button armadillo5x0_buttons[] = {
	{
		.code		= KEY_ENTER, /*28*/
		.gpio		= IOMUX_TO_GPIO(MX31_PIN_SCLK0),
		.active_low	= 1,
		.desc		= "menu",
		.wakeup		= 1,
	}, {
		.code		= KEY_BACK, /*158*/
		.gpio		= IOMUX_TO_GPIO(MX31_PIN_SRST0),
		.active_low	= 1,
		.desc		= "back",
		.wakeup		= 1,
	}
};

static const struct gpio_keys_platform_data
		armadillo5x0_button_data __initconst = {
	.buttons	= armadillo5x0_buttons,
	.nbuttons	= ARRAY_SIZE(armadillo5x0_buttons),
};

/*
 * NAND Flash
 */
static const struct mxc_nand_platform_data
armadillo5x0_nand_board_info __initconst = {
	.width		= 1,
	.hw_ecc		= 1,
};

/*
 * MTD NOR Flash
 */
static struct mtd_partition armadillo5x0_nor_flash_partitions[] = {
	{
		.name		= "nor.bootloader",
		.offset		= 0x00000000,
		.size		= 4*32*1024,
	}, {
		.name		= "nor.kernel",
		.offset		= MTDPART_OFS_APPEND,
		.size		= 16*128*1024,
	}, {
		.name		= "nor.userland",
		.offset		= MTDPART_OFS_APPEND,
		.size		= 110*128*1024,
	}, {
		.name		= "nor.config",
		.offset		= MTDPART_OFS_APPEND,
		.size		= 1*128*1024,
	},
};

static struct physmap_flash_data armadillo5x0_nor_flash_pdata = {
	.width		= 2,
	.parts		= armadillo5x0_nor_flash_partitions,
	.nr_parts	= ARRAY_SIZE(armadillo5x0_nor_flash_partitions),
};

static struct resource armadillo5x0_nor_flash_resource = {
	.flags		= IORESOURCE_MEM,
	.start		= MX31_CS0_BASE_ADDR,
	.end		= MX31_CS0_BASE_ADDR + SZ_64M - 1,
};

static struct platform_device armadillo5x0_nor_flash = {
	.name			= "physmap-flash",
	.id			= -1,
	.num_resources		= 1,
	.resource		= &armadillo5x0_nor_flash_resource,
};

/*
 * FB support
 */
static const struct fb_videomode fb_modedb[] = {
	{	/* 640x480 @ 60 Hz */
		.name		= "CRT-VGA",
		.refresh	= 60,
		.xres		= 640,
		.yres		= 480,
		.pixclock	= 39721,
		.left_margin	= 35,
		.right_margin	= 115,
		.upper_margin	= 43,
		.lower_margin	= 1,
		.hsync_len	= 10,
		.vsync_len	= 1,
		.sync		= FB_SYNC_OE_ACT_HIGH,
		.vmode		= FB_VMODE_NONINTERLACED,
		.flag		= 0,
	}, {/* 800x600 @ 56 Hz */
		.name		= "CRT-SVGA",
		.refresh	= 56,
		.xres		= 800,
		.yres		= 600,
		.pixclock	= 30000,
		.left_margin	= 30,
		.right_margin	= 108,
		.upper_margin	= 13,
		.lower_margin	= 10,
		.hsync_len	= 10,
		.vsync_len	= 1,
		.sync		= FB_SYNC_OE_ACT_HIGH | FB_SYNC_HOR_HIGH_ACT |
				  FB_SYNC_VERT_HIGH_ACT,
		.vmode		= FB_VMODE_NONINTERLACED,
		.flag		= 0,
	},
};

static const struct ipu_platform_data mx3_ipu_data __initconst = {
	.irq_base = MXC_IPU_IRQ_START,
};

static struct mx3fb_platform_data mx3fb_pdata __initdata = {
	.name		= "CRT-VGA",
	.mode		= fb_modedb,
	.num_modes	= ARRAY_SIZE(fb_modedb),
};

/*
 * SDHC 1
 * MMC support
 */
static int armadillo5x0_sdhc1_get_ro(struct device *dev)
{
	return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_ATA_RESET_B));
}

static int armadillo5x0_sdhc1_init(struct device *dev,
				   irq_handler_t detect_irq, void *data)
{
	int ret;
	int gpio_det, gpio_wp;

	gpio_det = IOMUX_TO_GPIO(MX31_PIN_ATA_DMACK);
	gpio_wp = IOMUX_TO_GPIO(MX31_PIN_ATA_RESET_B);

	ret = gpio_request(gpio_det, "sdhc-card-detect");
	if (ret)
		return ret;

	gpio_direction_input(gpio_det);

	ret = gpio_request(gpio_wp, "sdhc-write-protect");
	if (ret)
		goto err_gpio_free;

	gpio_direction_input(gpio_wp);

	/* When supported the trigger type have to be BOTH */
	ret = request_irq(IOMUX_TO_IRQ(MX31_PIN_ATA_DMACK), detect_irq,
			  IRQF_DISABLED | IRQF_TRIGGER_FALLING,
			  "sdhc-detect", data);

	if (ret)
		goto err_gpio_free_2;

	return 0;

err_gpio_free_2:
	gpio_free(gpio_wp);

err_gpio_free:
	gpio_free(gpio_det);

	return ret;

}

static void armadillo5x0_sdhc1_exit(struct device *dev, void *data)
{
	free_irq(IOMUX_TO_IRQ(MX31_PIN_ATA_DMACK), data);
	gpio_free(IOMUX_TO_GPIO(MX31_PIN_ATA_DMACK));
	gpio_free(IOMUX_TO_GPIO(MX31_PIN_ATA_RESET_B));
}

static const struct imxmmc_platform_data sdhc_pdata __initconst = {
	.get_ro = armadillo5x0_sdhc1_get_ro,
	.init = armadillo5x0_sdhc1_init,
	.exit = armadillo5x0_sdhc1_exit,
};

/*
 * SMSC 9118
 * Network support
 */
static struct resource armadillo5x0_smc911x_resources[] = {
	{
		.start	= MX31_CS3_BASE_ADDR,
		.end	= MX31_CS3_BASE_ADDR + SZ_32M - 1,
		.flags	= IORESOURCE_MEM,
	}, {
		.start	= IOMUX_TO_IRQ(MX31_PIN_GPIO1_0),
		.end	= IOMUX_TO_IRQ(MX31_PIN_GPIO1_0),
		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
	},
};

static struct smsc911x_platform_config smsc911x_info = {
	.flags		= SMSC911X_USE_16BIT,
	.irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
	.irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
};

static struct platform_device armadillo5x0_smc911x_device = {
	.name           = "smsc911x",
	.id             = -1,
	.num_resources  = ARRAY_SIZE(armadillo5x0_smc911x_resources),
	.resource       = armadillo5x0_smc911x_resources,
	.dev            = {
		.platform_data = &smsc911x_info,
	},
};

/* UART device data */
static const struct imxuart_platform_data uart_pdata __initconst = {
	.flags = IMXUART_HAVE_RTSCTS,
};

static struct platform_device *devices[] __initdata = {
	&armadillo5x0_smc911x_device,
};

/*
 * Perform board specific initializations
 */
static void __init armadillo5x0_init(void)
{
	imx31_soc_init();

	mxc_iomux_setup_multiple_pins(armadillo5x0_pins,
			ARRAY_SIZE(armadillo5x0_pins), "armadillo5x0");

	platform_add_devices(devices, ARRAY_SIZE(devices));
	imx_add_gpio_keys(&armadillo5x0_button_data);
	imx31_add_imx_i2c1(NULL);

	/* Register UART */
	imx31_add_imx_uart0(&uart_pdata);
	imx31_add_imx_uart1(&uart_pdata);

	/* SMSC9118 IRQ pin */
	gpio_direction_input(MX31_PIN_GPIO1_0);

	/* Register SDHC */
	imx31_add_mxc_mmc(0, &sdhc_pdata);

	/* Register FB */
	imx31_add_ipu_core(&mx3_ipu_data);
	imx31_add_mx3_sdc_fb(&mx3fb_pdata);

	/* Register NOR Flash */
	mxc_register_device(&armadillo5x0_nor_flash,
			    &armadillo5x0_nor_flash_pdata);

	/* Register NAND Flash */
	imx31_add_mxc_nand(&armadillo5x0_nand_board_info);

	/* set NAND page size to 2k if not configured via boot mode pins */
	__raw_writel(__raw_readl(MXC_CCM_RCSR) | (1 << 30), MXC_CCM_RCSR);

	/* RTC */
	/* Get RTC IRQ and register the chip */
	if (gpio_request(ARMADILLO5X0_RTC_GPIO, "rtc") == 0) {
		if (gpio_direction_input(ARMADILLO5X0_RTC_GPIO) == 0)
			armadillo5x0_i2c_rtc.irq = gpio_to_irq(ARMADILLO5X0_RTC_GPIO);
		else
			gpio_free(ARMADILLO5X0_RTC_GPIO);
	}
	if (armadillo5x0_i2c_rtc.irq == 0)
		pr_warning("armadillo5x0_init: failed to get RTC IRQ\n");
	i2c_register_board_info(1, &armadillo5x0_i2c_rtc, 1);

	/* USB */

	usbotg_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
			ULPI_OTG_DRVVBUS_EXT);
	if (usbotg_pdata.otg)
		imx31_add_mxc_ehci_otg(&usbotg_pdata);
	usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
			ULPI_OTG_DRVVBUS_EXT);
	if (usbh2_pdata.otg)
		imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
}

static void __init armadillo5x0_timer_init(void)
{
	mx31_clocks_init(26000000);
}

static struct sys_timer armadillo5x0_timer = {
	.init	= armadillo5x0_timer_init,
};

MACHINE_START(ARMADILLO5X0, "Armadillo-500")
	/* Maintainer: Alberto Panizzo  */
	.atag_offset = 0x100,
	.map_io = mx31_map_io,
	.init_early = imx31_init_early,
	.init_irq = mx31_init_irq,
	.timer = &armadillo5x0_timer,
	.init_machine = armadillo5x0_init,
MACHINE_END