xref: /openbmc/linux/arch/arm/mach-omap2/board-n8x0.c (revision 39b6f3aa)
1 /*
2  * linux/arch/arm/mach-omap2/board-n8x0.c
3  *
4  * Copyright (C) 2005-2009 Nokia Corporation
5  * Author: Juha Yrjola <juha.yrjola@nokia.com>
6  *
7  * Modified from mach-omap2/board-generic.c
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License version 2 as
11  * published by the Free Software Foundation.
12  */
13 
14 #include <linux/clk.h>
15 #include <linux/delay.h>
16 #include <linux/gpio.h>
17 #include <linux/init.h>
18 #include <linux/io.h>
19 #include <linux/irq.h>
20 #include <linux/stddef.h>
21 #include <linux/i2c.h>
22 #include <linux/spi/spi.h>
23 #include <linux/usb/musb.h>
24 #include <linux/platform_data/i2c-cbus-gpio.h>
25 #include <linux/platform_data/spi-omap2-mcspi.h>
26 #include <linux/platform_data/mtd-onenand-omap2.h>
27 #include <linux/mfd/menelaus.h>
28 #include <sound/tlv320aic3x.h>
29 
30 #include <asm/mach/arch.h>
31 #include <asm/mach-types.h>
32 
33 #include "common.h"
34 #include "mmc.h"
35 
36 #include "mux.h"
37 #include "gpmc-onenand.h"
38 
39 #define TUSB6010_ASYNC_CS	1
40 #define TUSB6010_SYNC_CS	4
41 #define TUSB6010_GPIO_INT	58
42 #define TUSB6010_GPIO_ENABLE	0
43 #define TUSB6010_DMACHAN	0x3f
44 
45 #if defined(CONFIG_I2C_CBUS_GPIO) || defined(CONFIG_I2C_CBUS_GPIO_MODULE)
46 static struct i2c_cbus_platform_data n8x0_cbus_data = {
47 	.clk_gpio = 66,
48 	.dat_gpio = 65,
49 	.sel_gpio = 64,
50 };
51 
52 static struct platform_device n8x0_cbus_device = {
53 	.name	= "i2c-cbus-gpio",
54 	.id	= 3,
55 	.dev	= {
56 		.platform_data = &n8x0_cbus_data,
57 	},
58 };
59 
60 static struct i2c_board_info n8x0_i2c_board_info_3[] __initdata = {
61 	{
62 		I2C_BOARD_INFO("retu-mfd", 0x01),
63 	},
64 };
65 
66 static void __init n8x0_cbus_init(void)
67 {
68 	const int retu_irq_gpio = 108;
69 
70 	if (gpio_request_one(retu_irq_gpio, GPIOF_IN, "Retu IRQ"))
71 		return;
72 	irq_set_irq_type(gpio_to_irq(retu_irq_gpio), IRQ_TYPE_EDGE_RISING);
73 	n8x0_i2c_board_info_3[0].irq = gpio_to_irq(retu_irq_gpio);
74 	i2c_register_board_info(3, n8x0_i2c_board_info_3,
75 				ARRAY_SIZE(n8x0_i2c_board_info_3));
76 	platform_device_register(&n8x0_cbus_device);
77 }
78 #else /* CONFIG_I2C_CBUS_GPIO */
79 static void __init n8x0_cbus_init(void)
80 {
81 }
82 #endif /* CONFIG_I2C_CBUS_GPIO */
83 
84 #if defined(CONFIG_USB_MUSB_TUSB6010) || defined(CONFIG_USB_MUSB_TUSB6010_MODULE)
85 /*
86  * Enable or disable power to TUSB6010. When enabling, turn on 3.3 V and
87  * 1.5 V voltage regulators of PM companion chip. Companion chip will then
88  * provide then PGOOD signal to TUSB6010 which will release it from reset.
89  */
90 static int tusb_set_power(int state)
91 {
92 	int i, retval = 0;
93 
94 	if (state) {
95 		gpio_set_value(TUSB6010_GPIO_ENABLE, 1);
96 		msleep(1);
97 
98 		/* Wait until TUSB6010 pulls INT pin down */
99 		i = 100;
100 		while (i && gpio_get_value(TUSB6010_GPIO_INT)) {
101 			msleep(1);
102 			i--;
103 		}
104 
105 		if (!i) {
106 			printk(KERN_ERR "tusb: powerup failed\n");
107 			retval = -ENODEV;
108 		}
109 	} else {
110 		gpio_set_value(TUSB6010_GPIO_ENABLE, 0);
111 		msleep(10);
112 	}
113 
114 	return retval;
115 }
116 
117 static struct musb_hdrc_config musb_config = {
118 	.multipoint	= 1,
119 	.dyn_fifo	= 1,
120 	.num_eps	= 16,
121 	.ram_bits	= 12,
122 };
123 
124 static struct musb_hdrc_platform_data tusb_data = {
125 #ifdef CONFIG_USB_GADGET_MUSB_HDRC
126 	.mode		= MUSB_OTG,
127 #else
128 	.mode		= MUSB_HOST,
129 #endif
130 	.set_power	= tusb_set_power,
131 	.min_power	= 25,	/* x2 = 50 mA drawn from VBUS as peripheral */
132 	.power		= 100,	/* Max 100 mA VBUS for host mode */
133 	.config		= &musb_config,
134 };
135 
136 static void __init n8x0_usb_init(void)
137 {
138 	int ret = 0;
139 	static char	announce[] __initdata = KERN_INFO "TUSB 6010\n";
140 
141 	/* PM companion chip power control pin */
142 	ret = gpio_request_one(TUSB6010_GPIO_ENABLE, GPIOF_OUT_INIT_LOW,
143 			       "TUSB6010 enable");
144 	if (ret != 0) {
145 		printk(KERN_ERR "Could not get TUSB power GPIO%i\n",
146 		       TUSB6010_GPIO_ENABLE);
147 		return;
148 	}
149 	tusb_set_power(0);
150 
151 	ret = tusb6010_setup_interface(&tusb_data, TUSB6010_REFCLK_19, 2,
152 					TUSB6010_ASYNC_CS, TUSB6010_SYNC_CS,
153 					TUSB6010_GPIO_INT, TUSB6010_DMACHAN);
154 	if (ret != 0)
155 		goto err;
156 
157 	printk(announce);
158 
159 	return;
160 
161 err:
162 	gpio_free(TUSB6010_GPIO_ENABLE);
163 }
164 #else
165 
166 static void __init n8x0_usb_init(void) {}
167 
168 #endif /*CONFIG_USB_MUSB_TUSB6010 */
169 
170 
171 static struct omap2_mcspi_device_config p54spi_mcspi_config = {
172 	.turbo_mode	= 0,
173 };
174 
175 static struct spi_board_info n800_spi_board_info[] __initdata = {
176 	{
177 		.modalias	= "p54spi",
178 		.bus_num	= 2,
179 		.chip_select	= 0,
180 		.max_speed_hz   = 48000000,
181 		.controller_data = &p54spi_mcspi_config,
182 	},
183 };
184 
185 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
186 	defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
187 
188 static struct mtd_partition onenand_partitions[] = {
189 	{
190 		.name           = "bootloader",
191 		.offset         = 0,
192 		.size           = 0x20000,
193 		.mask_flags     = MTD_WRITEABLE,	/* Force read-only */
194 	},
195 	{
196 		.name           = "config",
197 		.offset         = MTDPART_OFS_APPEND,
198 		.size           = 0x60000,
199 	},
200 	{
201 		.name           = "kernel",
202 		.offset         = MTDPART_OFS_APPEND,
203 		.size           = 0x200000,
204 	},
205 	{
206 		.name           = "initfs",
207 		.offset         = MTDPART_OFS_APPEND,
208 		.size           = 0x400000,
209 	},
210 	{
211 		.name           = "rootfs",
212 		.offset         = MTDPART_OFS_APPEND,
213 		.size           = MTDPART_SIZ_FULL,
214 	},
215 };
216 
217 static struct omap_onenand_platform_data board_onenand_data[] = {
218 	{
219 		.cs		= 0,
220 		.gpio_irq	= 26,
221 		.parts		= onenand_partitions,
222 		.nr_parts	= ARRAY_SIZE(onenand_partitions),
223 		.flags		= ONENAND_SYNC_READ,
224 	}
225 };
226 #endif
227 
228 #if defined(CONFIG_MENELAUS) &&						\
229 	(defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE))
230 
231 /*
232  * On both N800 and N810, only the first of the two MMC controllers is in use.
233  * The two MMC slots are multiplexed via Menelaus companion chip over I2C.
234  * On N800, both slots are powered via Menelaus. On N810, only one of the
235  * slots is powered via Menelaus. The N810 EMMC is powered via GPIO.
236  *
237  * VMMC				slot 1 on both N800 and N810
238  * VDCDC3_APE and VMCS2_APE	slot 2 on N800
239  * GPIO23 and GPIO9		slot 2 EMMC on N810
240  *
241  */
242 #define N8X0_SLOT_SWITCH_GPIO	96
243 #define N810_EMMC_VSD_GPIO	23
244 #define N810_EMMC_VIO_GPIO	9
245 
246 static int slot1_cover_open;
247 static int slot2_cover_open;
248 static struct device *mmc_device;
249 
250 static int n8x0_mmc_switch_slot(struct device *dev, int slot)
251 {
252 #ifdef CONFIG_MMC_DEBUG
253 	dev_dbg(dev, "Choose slot %d\n", slot + 1);
254 #endif
255 	gpio_set_value(N8X0_SLOT_SWITCH_GPIO, slot);
256 	return 0;
257 }
258 
259 static int n8x0_mmc_set_power_menelaus(struct device *dev, int slot,
260 					int power_on, int vdd)
261 {
262 	int mV;
263 
264 #ifdef CONFIG_MMC_DEBUG
265 	dev_dbg(dev, "Set slot %d power: %s (vdd %d)\n", slot + 1,
266 		power_on ? "on" : "off", vdd);
267 #endif
268 	if (slot == 0) {
269 		if (!power_on)
270 			return menelaus_set_vmmc(0);
271 		switch (1 << vdd) {
272 		case MMC_VDD_33_34:
273 		case MMC_VDD_32_33:
274 		case MMC_VDD_31_32:
275 			mV = 3100;
276 			break;
277 		case MMC_VDD_30_31:
278 			mV = 3000;
279 			break;
280 		case MMC_VDD_28_29:
281 			mV = 2800;
282 			break;
283 		case MMC_VDD_165_195:
284 			mV = 1850;
285 			break;
286 		default:
287 			BUG();
288 		}
289 		return menelaus_set_vmmc(mV);
290 	} else {
291 		if (!power_on)
292 			return menelaus_set_vdcdc(3, 0);
293 		switch (1 << vdd) {
294 		case MMC_VDD_33_34:
295 		case MMC_VDD_32_33:
296 			mV = 3300;
297 			break;
298 		case MMC_VDD_30_31:
299 		case MMC_VDD_29_30:
300 			mV = 3000;
301 			break;
302 		case MMC_VDD_28_29:
303 		case MMC_VDD_27_28:
304 			mV = 2800;
305 			break;
306 		case MMC_VDD_24_25:
307 		case MMC_VDD_23_24:
308 			mV = 2400;
309 			break;
310 		case MMC_VDD_22_23:
311 		case MMC_VDD_21_22:
312 			mV = 2200;
313 			break;
314 		case MMC_VDD_20_21:
315 			mV = 2000;
316 			break;
317 		case MMC_VDD_165_195:
318 			mV = 1800;
319 			break;
320 		default:
321 			BUG();
322 		}
323 		return menelaus_set_vdcdc(3, mV);
324 	}
325 	return 0;
326 }
327 
328 static void n810_set_power_emmc(struct device *dev,
329 					 int power_on)
330 {
331 	dev_dbg(dev, "Set EMMC power %s\n", power_on ? "on" : "off");
332 
333 	if (power_on) {
334 		gpio_set_value(N810_EMMC_VSD_GPIO, 1);
335 		msleep(1);
336 		gpio_set_value(N810_EMMC_VIO_GPIO, 1);
337 		msleep(1);
338 	} else {
339 		gpio_set_value(N810_EMMC_VIO_GPIO, 0);
340 		msleep(50);
341 		gpio_set_value(N810_EMMC_VSD_GPIO, 0);
342 		msleep(50);
343 	}
344 }
345 
346 static int n8x0_mmc_set_power(struct device *dev, int slot, int power_on,
347 			      int vdd)
348 {
349 	if (machine_is_nokia_n800() || slot == 0)
350 		return n8x0_mmc_set_power_menelaus(dev, slot, power_on, vdd);
351 
352 	n810_set_power_emmc(dev, power_on);
353 
354 	return 0;
355 }
356 
357 static int n8x0_mmc_set_bus_mode(struct device *dev, int slot, int bus_mode)
358 {
359 	int r;
360 
361 	dev_dbg(dev, "Set slot %d bus mode %s\n", slot + 1,
362 		bus_mode == MMC_BUSMODE_OPENDRAIN ? "open-drain" : "push-pull");
363 	BUG_ON(slot != 0 && slot != 1);
364 	slot++;
365 	switch (bus_mode) {
366 	case MMC_BUSMODE_OPENDRAIN:
367 		r = menelaus_set_mmc_opendrain(slot, 1);
368 		break;
369 	case MMC_BUSMODE_PUSHPULL:
370 		r = menelaus_set_mmc_opendrain(slot, 0);
371 		break;
372 	default:
373 		BUG();
374 	}
375 	if (r != 0 && printk_ratelimit())
376 		dev_err(dev, "MMC: unable to set bus mode for slot %d\n",
377 			slot);
378 	return r;
379 }
380 
381 static int n8x0_mmc_get_cover_state(struct device *dev, int slot)
382 {
383 	slot++;
384 	BUG_ON(slot != 1 && slot != 2);
385 	if (slot == 1)
386 		return slot1_cover_open;
387 	else
388 		return slot2_cover_open;
389 }
390 
391 static void n8x0_mmc_callback(void *data, u8 card_mask)
392 {
393 	int bit, *openp, index;
394 
395 	if (machine_is_nokia_n800()) {
396 		bit = 1 << 1;
397 		openp = &slot2_cover_open;
398 		index = 1;
399 	} else {
400 		bit = 1;
401 		openp = &slot1_cover_open;
402 		index = 0;
403 	}
404 
405 	if (card_mask & bit)
406 		*openp = 1;
407 	else
408 		*openp = 0;
409 
410 #ifdef CONFIG_MMC_OMAP
411 	omap_mmc_notify_cover_event(mmc_device, index, *openp);
412 #else
413 	pr_warn("MMC: notify cover event not available\n");
414 #endif
415 }
416 
417 static int n8x0_mmc_late_init(struct device *dev)
418 {
419 	int r, bit, *openp;
420 	int vs2sel;
421 
422 	mmc_device = dev;
423 
424 	r = menelaus_set_slot_sel(1);
425 	if (r < 0)
426 		return r;
427 
428 	if (machine_is_nokia_n800())
429 		vs2sel = 0;
430 	else
431 		vs2sel = 2;
432 
433 	r = menelaus_set_mmc_slot(2, 0, vs2sel, 1);
434 	if (r < 0)
435 		return r;
436 
437 	n8x0_mmc_set_power(dev, 0, MMC_POWER_ON, 16); /* MMC_VDD_28_29 */
438 	n8x0_mmc_set_power(dev, 1, MMC_POWER_ON, 16);
439 
440 	r = menelaus_set_mmc_slot(1, 1, 0, 1);
441 	if (r < 0)
442 		return r;
443 	r = menelaus_set_mmc_slot(2, 1, vs2sel, 1);
444 	if (r < 0)
445 		return r;
446 
447 	r = menelaus_get_slot_pin_states();
448 	if (r < 0)
449 		return r;
450 
451 	if (machine_is_nokia_n800()) {
452 		bit = 1 << 1;
453 		openp = &slot2_cover_open;
454 	} else {
455 		bit = 1;
456 		openp = &slot1_cover_open;
457 		slot2_cover_open = 0;
458 	}
459 
460 	/* All slot pin bits seem to be inversed until first switch change */
461 	if (r == 0xf || r == (0xf & ~bit))
462 		r = ~r;
463 
464 	if (r & bit)
465 		*openp = 1;
466 	else
467 		*openp = 0;
468 
469 	r = menelaus_register_mmc_callback(n8x0_mmc_callback, NULL);
470 
471 	return r;
472 }
473 
474 static void n8x0_mmc_shutdown(struct device *dev)
475 {
476 	int vs2sel;
477 
478 	if (machine_is_nokia_n800())
479 		vs2sel = 0;
480 	else
481 		vs2sel = 2;
482 
483 	menelaus_set_mmc_slot(1, 0, 0, 0);
484 	menelaus_set_mmc_slot(2, 0, vs2sel, 0);
485 }
486 
487 static void n8x0_mmc_cleanup(struct device *dev)
488 {
489 	menelaus_unregister_mmc_callback();
490 
491 	gpio_free(N8X0_SLOT_SWITCH_GPIO);
492 
493 	if (machine_is_nokia_n810()) {
494 		gpio_free(N810_EMMC_VSD_GPIO);
495 		gpio_free(N810_EMMC_VIO_GPIO);
496 	}
497 }
498 
499 /*
500  * MMC controller1 has two slots that are multiplexed via I2C.
501  * MMC controller2 is not in use.
502  */
503 static struct omap_mmc_platform_data mmc1_data = {
504 	.nr_slots			= 2,
505 	.switch_slot			= n8x0_mmc_switch_slot,
506 	.init				= n8x0_mmc_late_init,
507 	.cleanup			= n8x0_mmc_cleanup,
508 	.shutdown			= n8x0_mmc_shutdown,
509 	.max_freq			= 24000000,
510 	.slots[0] = {
511 		.wires			= 4,
512 		.set_power		= n8x0_mmc_set_power,
513 		.set_bus_mode		= n8x0_mmc_set_bus_mode,
514 		.get_cover_state	= n8x0_mmc_get_cover_state,
515 		.ocr_mask		= MMC_VDD_165_195 | MMC_VDD_30_31 |
516 						MMC_VDD_32_33   | MMC_VDD_33_34,
517 		.name			= "internal",
518 	},
519 	.slots[1] = {
520 		.set_power		= n8x0_mmc_set_power,
521 		.set_bus_mode		= n8x0_mmc_set_bus_mode,
522 		.get_cover_state	= n8x0_mmc_get_cover_state,
523 		.ocr_mask		= MMC_VDD_165_195 | MMC_VDD_20_21 |
524 						MMC_VDD_21_22 | MMC_VDD_22_23 |
525 						MMC_VDD_23_24 | MMC_VDD_24_25 |
526 						MMC_VDD_27_28 | MMC_VDD_28_29 |
527 						MMC_VDD_29_30 | MMC_VDD_30_31 |
528 						MMC_VDD_32_33 | MMC_VDD_33_34,
529 		.name			= "external",
530 	},
531 };
532 
533 static struct omap_mmc_platform_data *mmc_data[OMAP24XX_NR_MMC];
534 
535 static struct gpio n810_emmc_gpios[] __initdata = {
536 	{ N810_EMMC_VSD_GPIO, GPIOF_OUT_INIT_LOW,  "MMC slot 2 Vddf" },
537 	{ N810_EMMC_VIO_GPIO, GPIOF_OUT_INIT_LOW,  "MMC slot 2 Vdd"  },
538 };
539 
540 static void __init n8x0_mmc_init(void)
541 {
542 	int err;
543 
544 	if (machine_is_nokia_n810()) {
545 		mmc1_data.slots[0].name = "external";
546 
547 		/*
548 		 * Some Samsung Movinand chips do not like open-ended
549 		 * multi-block reads and fall to braind-dead state
550 		 * while doing so. Reducing the number of blocks in
551 		 * the transfer or delays in clock disable do not help
552 		 */
553 		mmc1_data.slots[1].name = "internal";
554 		mmc1_data.slots[1].ban_openended = 1;
555 	}
556 
557 	err = gpio_request_one(N8X0_SLOT_SWITCH_GPIO, GPIOF_OUT_INIT_LOW,
558 			       "MMC slot switch");
559 	if (err)
560 		return;
561 
562 	if (machine_is_nokia_n810()) {
563 		err = gpio_request_array(n810_emmc_gpios,
564 					 ARRAY_SIZE(n810_emmc_gpios));
565 		if (err) {
566 			gpio_free(N8X0_SLOT_SWITCH_GPIO);
567 			return;
568 		}
569 	}
570 
571 	mmc_data[0] = &mmc1_data;
572 	omap242x_init_mmc(mmc_data);
573 }
574 #else
575 
576 void __init n8x0_mmc_init(void)
577 {
578 }
579 #endif	/* CONFIG_MMC_OMAP */
580 
581 #ifdef CONFIG_MENELAUS
582 
583 static int n8x0_auto_sleep_regulators(void)
584 {
585 	u32 val;
586 	int ret;
587 
588 	val = EN_VPLL_SLEEP | EN_VMMC_SLEEP    \
589 		| EN_VAUX_SLEEP | EN_VIO_SLEEP \
590 		| EN_VMEM_SLEEP | EN_DC3_SLEEP \
591 		| EN_VC_SLEEP | EN_DC2_SLEEP;
592 
593 	ret = menelaus_set_regulator_sleep(1, val);
594 	if (ret < 0) {
595 		pr_err("Could not set regulators to sleep on menelaus: %u\n",
596 		       ret);
597 		return ret;
598 	}
599 	return 0;
600 }
601 
602 static int n8x0_auto_voltage_scale(void)
603 {
604 	int ret;
605 
606 	ret = menelaus_set_vcore_hw(1400, 1050);
607 	if (ret < 0) {
608 		pr_err("Could not set VCORE voltage on menelaus: %u\n", ret);
609 		return ret;
610 	}
611 	return 0;
612 }
613 
614 static int n8x0_menelaus_late_init(struct device *dev)
615 {
616 	int ret;
617 
618 	ret = n8x0_auto_voltage_scale();
619 	if (ret < 0)
620 		return ret;
621 	ret = n8x0_auto_sleep_regulators();
622 	if (ret < 0)
623 		return ret;
624 	return 0;
625 }
626 
627 #else
628 static int n8x0_menelaus_late_init(struct device *dev)
629 {
630 	return 0;
631 }
632 #endif
633 
634 static struct menelaus_platform_data n8x0_menelaus_platform_data __initdata = {
635 	.late_init = n8x0_menelaus_late_init,
636 };
637 
638 static struct i2c_board_info __initdata n8x0_i2c_board_info_1[] __initdata = {
639 	{
640 		I2C_BOARD_INFO("menelaus", 0x72),
641 		.irq = 7 + OMAP_INTC_START,
642 		.platform_data = &n8x0_menelaus_platform_data,
643 	},
644 };
645 
646 static struct aic3x_pdata n810_aic33_data __initdata = {
647 	.gpio_reset = 118,
648 };
649 
650 static struct i2c_board_info n810_i2c_board_info_2[] __initdata = {
651 	{
652 		I2C_BOARD_INFO("tlv320aic3x", 0x18),
653 		.platform_data = &n810_aic33_data,
654 	},
655 };
656 
657 #ifdef CONFIG_OMAP_MUX
658 static struct omap_board_mux board_mux[] __initdata = {
659 	/* I2S codec port pins for McBSP block */
660 	OMAP2420_MUX(EAC_AC_SCLK, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
661 	OMAP2420_MUX(EAC_AC_FS, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
662 	OMAP2420_MUX(EAC_AC_DIN, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
663 	OMAP2420_MUX(EAC_AC_DOUT, OMAP_MUX_MODE1 | OMAP_PIN_OUTPUT),
664 	{ .reg_offset = OMAP_MUX_TERMINATOR },
665 };
666 
667 static struct omap_device_pad serial2_pads[] __initdata = {
668 	{
669 		.name	= "uart3_rx_irrx.uart3_rx_irrx",
670 		.flags	= OMAP_DEVICE_PAD_REMUX | OMAP_DEVICE_PAD_WAKEUP,
671 		.enable	= OMAP_MUX_MODE0,
672 		.idle	= OMAP_MUX_MODE3	/* Mux as GPIO for idle */
673 	},
674 };
675 
676 static inline void board_serial_init(void)
677 {
678 	struct omap_board_data bdata;
679 
680 	bdata.flags = 0;
681 	bdata.pads = NULL;
682 	bdata.pads_cnt = 0;
683 
684 	bdata.id = 0;
685 	omap_serial_init_port(&bdata, NULL);
686 
687 	bdata.id = 1;
688 	omap_serial_init_port(&bdata, NULL);
689 
690 	bdata.id = 2;
691 	bdata.pads = serial2_pads;
692 	bdata.pads_cnt = ARRAY_SIZE(serial2_pads);
693 	omap_serial_init_port(&bdata, NULL);
694 }
695 
696 #else
697 
698 static inline void board_serial_init(void)
699 {
700 	omap_serial_init();
701 }
702 
703 #endif
704 
705 static void __init n8x0_init_machine(void)
706 {
707 	omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAC);
708 	/* FIXME: add n810 spi devices */
709 	spi_register_board_info(n800_spi_board_info,
710 				ARRAY_SIZE(n800_spi_board_info));
711 	omap_register_i2c_bus(1, 400, n8x0_i2c_board_info_1,
712 			      ARRAY_SIZE(n8x0_i2c_board_info_1));
713 	omap_register_i2c_bus(2, 400, NULL, 0);
714 	if (machine_is_nokia_n810())
715 		i2c_register_board_info(2, n810_i2c_board_info_2,
716 					ARRAY_SIZE(n810_i2c_board_info_2));
717 	board_serial_init();
718 	omap_sdrc_init(NULL, NULL);
719 	gpmc_onenand_init(board_onenand_data);
720 	n8x0_mmc_init();
721 	n8x0_usb_init();
722 	n8x0_cbus_init();
723 }
724 
725 MACHINE_START(NOKIA_N800, "Nokia N800")
726 	.atag_offset	= 0x100,
727 	.reserve	= omap_reserve,
728 	.map_io		= omap242x_map_io,
729 	.init_early	= omap2420_init_early,
730 	.init_irq	= omap2_init_irq,
731 	.handle_irq	= omap2_intc_handle_irq,
732 	.init_machine	= n8x0_init_machine,
733 	.init_late	= omap2420_init_late,
734 	.init_time	= omap2_sync32k_timer_init,
735 	.restart	= omap2xxx_restart,
736 MACHINE_END
737 
738 MACHINE_START(NOKIA_N810, "Nokia N810")
739 	.atag_offset	= 0x100,
740 	.reserve	= omap_reserve,
741 	.map_io		= omap242x_map_io,
742 	.init_early	= omap2420_init_early,
743 	.init_irq	= omap2_init_irq,
744 	.handle_irq	= omap2_intc_handle_irq,
745 	.init_machine	= n8x0_init_machine,
746 	.init_late	= omap2420_init_late,
747 	.init_time	= omap2_sync32k_timer_init,
748 	.restart	= omap2xxx_restart,
749 MACHINE_END
750 
751 MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX")
752 	.atag_offset	= 0x100,
753 	.reserve	= omap_reserve,
754 	.map_io		= omap242x_map_io,
755 	.init_early	= omap2420_init_early,
756 	.init_irq	= omap2_init_irq,
757 	.handle_irq	= omap2_intc_handle_irq,
758 	.init_machine	= n8x0_init_machine,
759 	.init_late	= omap2420_init_late,
760 	.init_time	= omap2_sync32k_timer_init,
761 	.restart	= omap2xxx_restart,
762 MACHINE_END
763