xref: /openbmc/linux/arch/arm/mach-omap2/board-n8x0.c (revision e23feb16) 
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 	.mode		= MUSB_OTG,
126 	.set_power	= tusb_set_power,
127 	.min_power	= 25,	/* x2 = 50 mA drawn from VBUS as peripheral */
128 	.power		= 100,	/* Max 100 mA VBUS for host mode */
129 	.config		= &musb_config,
130 };
131 
132 static void __init n8x0_usb_init(void)
133 {
134 	int ret = 0;
135 	static char	announce[] __initdata = KERN_INFO "TUSB 6010\n";
136 
137 	/* PM companion chip power control pin */
138 	ret = gpio_request_one(TUSB6010_GPIO_ENABLE, GPIOF_OUT_INIT_LOW,
139 			       "TUSB6010 enable");
140 	if (ret != 0) {
141 		printk(KERN_ERR "Could not get TUSB power GPIO%i\n",
142 		       TUSB6010_GPIO_ENABLE);
143 		return;
144 	}
145 	tusb_set_power(0);
146 
147 	ret = tusb6010_setup_interface(&tusb_data, TUSB6010_REFCLK_19, 2,
148 					TUSB6010_ASYNC_CS, TUSB6010_SYNC_CS,
149 					TUSB6010_GPIO_INT, TUSB6010_DMACHAN);
150 	if (ret != 0)
151 		goto err;
152 
153 	printk(announce);
154 
155 	return;
156 
157 err:
158 	gpio_free(TUSB6010_GPIO_ENABLE);
159 }
160 #else
161 
162 static void __init n8x0_usb_init(void) {}
163 
164 #endif /*CONFIG_USB_MUSB_TUSB6010 */
165 
166 
167 static struct omap2_mcspi_device_config p54spi_mcspi_config = {
168 	.turbo_mode	= 0,
169 };
170 
171 static struct spi_board_info n800_spi_board_info[] __initdata = {
172 	{
173 		.modalias	= "p54spi",
174 		.bus_num	= 2,
175 		.chip_select	= 0,
176 		.max_speed_hz   = 48000000,
177 		.controller_data = &p54spi_mcspi_config,
178 	},
179 };
180 
181 #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
182 	defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
183 
184 static struct mtd_partition onenand_partitions[] = {
185 	{
186 		.name           = "bootloader",
187 		.offset         = 0,
188 		.size           = 0x20000,
189 		.mask_flags     = MTD_WRITEABLE,	/* Force read-only */
190 	},
191 	{
192 		.name           = "config",
193 		.offset         = MTDPART_OFS_APPEND,
194 		.size           = 0x60000,
195 	},
196 	{
197 		.name           = "kernel",
198 		.offset         = MTDPART_OFS_APPEND,
199 		.size           = 0x200000,
200 	},
201 	{
202 		.name           = "initfs",
203 		.offset         = MTDPART_OFS_APPEND,
204 		.size           = 0x400000,
205 	},
206 	{
207 		.name           = "rootfs",
208 		.offset         = MTDPART_OFS_APPEND,
209 		.size           = MTDPART_SIZ_FULL,
210 	},
211 };
212 
213 static struct omap_onenand_platform_data board_onenand_data[] = {
214 	{
215 		.cs		= 0,
216 		.gpio_irq	= 26,
217 		.parts		= onenand_partitions,
218 		.nr_parts	= ARRAY_SIZE(onenand_partitions),
219 		.flags		= ONENAND_SYNC_READ,
220 	}
221 };
222 #endif
223 
224 #if defined(CONFIG_MENELAUS) &&						\
225 	(defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE))
226 
227 /*
228  * On both N800 and N810, only the first of the two MMC controllers is in use.
229  * The two MMC slots are multiplexed via Menelaus companion chip over I2C.
230  * On N800, both slots are powered via Menelaus. On N810, only one of the
231  * slots is powered via Menelaus. The N810 EMMC is powered via GPIO.
232  *
233  * VMMC				slot 1 on both N800 and N810
234  * VDCDC3_APE and VMCS2_APE	slot 2 on N800
235  * GPIO23 and GPIO9		slot 2 EMMC on N810
236  *
237  */
238 #define N8X0_SLOT_SWITCH_GPIO	96
239 #define N810_EMMC_VSD_GPIO	23
240 #define N810_EMMC_VIO_GPIO	9
241 
242 static int slot1_cover_open;
243 static int slot2_cover_open;
244 static struct device *mmc_device;
245 
246 static int n8x0_mmc_switch_slot(struct device *dev, int slot)
247 {
248 #ifdef CONFIG_MMC_DEBUG
249 	dev_dbg(dev, "Choose slot %d\n", slot + 1);
250 #endif
251 	gpio_set_value(N8X0_SLOT_SWITCH_GPIO, slot);
252 	return 0;
253 }
254 
255 static int n8x0_mmc_set_power_menelaus(struct device *dev, int slot,
256 					int power_on, int vdd)
257 {
258 	int mV;
259 
260 #ifdef CONFIG_MMC_DEBUG
261 	dev_dbg(dev, "Set slot %d power: %s (vdd %d)\n", slot + 1,
262 		power_on ? "on" : "off", vdd);
263 #endif
264 	if (slot == 0) {
265 		if (!power_on)
266 			return menelaus_set_vmmc(0);
267 		switch (1 << vdd) {
268 		case MMC_VDD_33_34:
269 		case MMC_VDD_32_33:
270 		case MMC_VDD_31_32:
271 			mV = 3100;
272 			break;
273 		case MMC_VDD_30_31:
274 			mV = 3000;
275 			break;
276 		case MMC_VDD_28_29:
277 			mV = 2800;
278 			break;
279 		case MMC_VDD_165_195:
280 			mV = 1850;
281 			break;
282 		default:
283 			BUG();
284 		}
285 		return menelaus_set_vmmc(mV);
286 	} else {
287 		if (!power_on)
288 			return menelaus_set_vdcdc(3, 0);
289 		switch (1 << vdd) {
290 		case MMC_VDD_33_34:
291 		case MMC_VDD_32_33:
292 			mV = 3300;
293 			break;
294 		case MMC_VDD_30_31:
295 		case MMC_VDD_29_30:
296 			mV = 3000;
297 			break;
298 		case MMC_VDD_28_29:
299 		case MMC_VDD_27_28:
300 			mV = 2800;
301 			break;
302 		case MMC_VDD_24_25:
303 		case MMC_VDD_23_24:
304 			mV = 2400;
305 			break;
306 		case MMC_VDD_22_23:
307 		case MMC_VDD_21_22:
308 			mV = 2200;
309 			break;
310 		case MMC_VDD_20_21:
311 			mV = 2000;
312 			break;
313 		case MMC_VDD_165_195:
314 			mV = 1800;
315 			break;
316 		default:
317 			BUG();
318 		}
319 		return menelaus_set_vdcdc(3, mV);
320 	}
321 	return 0;
322 }
323 
324 static void n810_set_power_emmc(struct device *dev,
325 					 int power_on)
326 {
327 	dev_dbg(dev, "Set EMMC power %s\n", power_on ? "on" : "off");
328 
329 	if (power_on) {
330 		gpio_set_value(N810_EMMC_VSD_GPIO, 1);
331 		msleep(1);
332 		gpio_set_value(N810_EMMC_VIO_GPIO, 1);
333 		msleep(1);
334 	} else {
335 		gpio_set_value(N810_EMMC_VIO_GPIO, 0);
336 		msleep(50);
337 		gpio_set_value(N810_EMMC_VSD_GPIO, 0);
338 		msleep(50);
339 	}
340 }
341 
342 static int n8x0_mmc_set_power(struct device *dev, int slot, int power_on,
343 			      int vdd)
344 {
345 	if (machine_is_nokia_n800() || slot == 0)
346 		return n8x0_mmc_set_power_menelaus(dev, slot, power_on, vdd);
347 
348 	n810_set_power_emmc(dev, power_on);
349 
350 	return 0;
351 }
352 
353 static int n8x0_mmc_set_bus_mode(struct device *dev, int slot, int bus_mode)
354 {
355 	int r;
356 
357 	dev_dbg(dev, "Set slot %d bus mode %s\n", slot + 1,
358 		bus_mode == MMC_BUSMODE_OPENDRAIN ? "open-drain" : "push-pull");
359 	BUG_ON(slot != 0 && slot != 1);
360 	slot++;
361 	switch (bus_mode) {
362 	case MMC_BUSMODE_OPENDRAIN:
363 		r = menelaus_set_mmc_opendrain(slot, 1);
364 		break;
365 	case MMC_BUSMODE_PUSHPULL:
366 		r = menelaus_set_mmc_opendrain(slot, 0);
367 		break;
368 	default:
369 		BUG();
370 	}
371 	if (r != 0 && printk_ratelimit())
372 		dev_err(dev, "MMC: unable to set bus mode for slot %d\n",
373 			slot);
374 	return r;
375 }
376 
377 static int n8x0_mmc_get_cover_state(struct device *dev, int slot)
378 {
379 	slot++;
380 	BUG_ON(slot != 1 && slot != 2);
381 	if (slot == 1)
382 		return slot1_cover_open;
383 	else
384 		return slot2_cover_open;
385 }
386 
387 static void n8x0_mmc_callback(void *data, u8 card_mask)
388 {
389 	int bit, *openp, index;
390 
391 	if (machine_is_nokia_n800()) {
392 		bit = 1 << 1;
393 		openp = &slot2_cover_open;
394 		index = 1;
395 	} else {
396 		bit = 1;
397 		openp = &slot1_cover_open;
398 		index = 0;
399 	}
400 
401 	if (card_mask & bit)
402 		*openp = 1;
403 	else
404 		*openp = 0;
405 
406 #ifdef CONFIG_MMC_OMAP
407 	omap_mmc_notify_cover_event(mmc_device, index, *openp);
408 #else
409 	pr_warn("MMC: notify cover event not available\n");
410 #endif
411 }
412 
413 static int n8x0_mmc_late_init(struct device *dev)
414 {
415 	int r, bit, *openp;
416 	int vs2sel;
417 
418 	mmc_device = dev;
419 
420 	r = menelaus_set_slot_sel(1);
421 	if (r < 0)
422 		return r;
423 
424 	if (machine_is_nokia_n800())
425 		vs2sel = 0;
426 	else
427 		vs2sel = 2;
428 
429 	r = menelaus_set_mmc_slot(2, 0, vs2sel, 1);
430 	if (r < 0)
431 		return r;
432 
433 	n8x0_mmc_set_power(dev, 0, MMC_POWER_ON, 16); /* MMC_VDD_28_29 */
434 	n8x0_mmc_set_power(dev, 1, MMC_POWER_ON, 16);
435 
436 	r = menelaus_set_mmc_slot(1, 1, 0, 1);
437 	if (r < 0)
438 		return r;
439 	r = menelaus_set_mmc_slot(2, 1, vs2sel, 1);
440 	if (r < 0)
441 		return r;
442 
443 	r = menelaus_get_slot_pin_states();
444 	if (r < 0)
445 		return r;
446 
447 	if (machine_is_nokia_n800()) {
448 		bit = 1 << 1;
449 		openp = &slot2_cover_open;
450 	} else {
451 		bit = 1;
452 		openp = &slot1_cover_open;
453 		slot2_cover_open = 0;
454 	}
455 
456 	/* All slot pin bits seem to be inversed until first switch change */
457 	if (r == 0xf || r == (0xf & ~bit))
458 		r = ~r;
459 
460 	if (r & bit)
461 		*openp = 1;
462 	else
463 		*openp = 0;
464 
465 	r = menelaus_register_mmc_callback(n8x0_mmc_callback, NULL);
466 
467 	return r;
468 }
469 
470 static void n8x0_mmc_shutdown(struct device *dev)
471 {
472 	int vs2sel;
473 
474 	if (machine_is_nokia_n800())
475 		vs2sel = 0;
476 	else
477 		vs2sel = 2;
478 
479 	menelaus_set_mmc_slot(1, 0, 0, 0);
480 	menelaus_set_mmc_slot(2, 0, vs2sel, 0);
481 }
482 
483 static void n8x0_mmc_cleanup(struct device *dev)
484 {
485 	menelaus_unregister_mmc_callback();
486 
487 	gpio_free(N8X0_SLOT_SWITCH_GPIO);
488 
489 	if (machine_is_nokia_n810()) {
490 		gpio_free(N810_EMMC_VSD_GPIO);
491 		gpio_free(N810_EMMC_VIO_GPIO);
492 	}
493 }
494 
495 /*
496  * MMC controller1 has two slots that are multiplexed via I2C.
497  * MMC controller2 is not in use.
498  */
499 static struct omap_mmc_platform_data mmc1_data = {
500 	.nr_slots			= 2,
501 	.switch_slot			= n8x0_mmc_switch_slot,
502 	.init				= n8x0_mmc_late_init,
503 	.cleanup			= n8x0_mmc_cleanup,
504 	.shutdown			= n8x0_mmc_shutdown,
505 	.max_freq			= 24000000,
506 	.slots[0] = {
507 		.wires			= 4,
508 		.set_power		= n8x0_mmc_set_power,
509 		.set_bus_mode		= n8x0_mmc_set_bus_mode,
510 		.get_cover_state	= n8x0_mmc_get_cover_state,
511 		.ocr_mask		= MMC_VDD_165_195 | MMC_VDD_30_31 |
512 						MMC_VDD_32_33   | MMC_VDD_33_34,
513 		.name			= "internal",
514 	},
515 	.slots[1] = {
516 		.set_power		= n8x0_mmc_set_power,
517 		.set_bus_mode		= n8x0_mmc_set_bus_mode,
518 		.get_cover_state	= n8x0_mmc_get_cover_state,
519 		.ocr_mask		= MMC_VDD_165_195 | MMC_VDD_20_21 |
520 						MMC_VDD_21_22 | MMC_VDD_22_23 |
521 						MMC_VDD_23_24 | MMC_VDD_24_25 |
522 						MMC_VDD_27_28 | MMC_VDD_28_29 |
523 						MMC_VDD_29_30 | MMC_VDD_30_31 |
524 						MMC_VDD_32_33 | MMC_VDD_33_34,
525 		.name			= "external",
526 	},
527 };
528 
529 static struct omap_mmc_platform_data *mmc_data[OMAP24XX_NR_MMC];
530 
531 static struct gpio n810_emmc_gpios[] __initdata = {
532 	{ N810_EMMC_VSD_GPIO, GPIOF_OUT_INIT_LOW,  "MMC slot 2 Vddf" },
533 	{ N810_EMMC_VIO_GPIO, GPIOF_OUT_INIT_LOW,  "MMC slot 2 Vdd"  },
534 };
535 
536 static void __init n8x0_mmc_init(void)
537 {
538 	int err;
539 
540 	if (machine_is_nokia_n810()) {
541 		mmc1_data.slots[0].name = "external";
542 
543 		/*
544 		 * Some Samsung Movinand chips do not like open-ended
545 		 * multi-block reads and fall to braind-dead state
546 		 * while doing so. Reducing the number of blocks in
547 		 * the transfer or delays in clock disable do not help
548 		 */
549 		mmc1_data.slots[1].name = "internal";
550 		mmc1_data.slots[1].ban_openended = 1;
551 	}
552 
553 	err = gpio_request_one(N8X0_SLOT_SWITCH_GPIO, GPIOF_OUT_INIT_LOW,
554 			       "MMC slot switch");
555 	if (err)
556 		return;
557 
558 	if (machine_is_nokia_n810()) {
559 		err = gpio_request_array(n810_emmc_gpios,
560 					 ARRAY_SIZE(n810_emmc_gpios));
561 		if (err) {
562 			gpio_free(N8X0_SLOT_SWITCH_GPIO);
563 			return;
564 		}
565 	}
566 
567 	mmc_data[0] = &mmc1_data;
568 	omap242x_init_mmc(mmc_data);
569 }
570 #else
571 
572 void __init n8x0_mmc_init(void)
573 {
574 }
575 #endif	/* CONFIG_MMC_OMAP */
576 
577 #ifdef CONFIG_MENELAUS
578 
579 static int n8x0_auto_sleep_regulators(void)
580 {
581 	u32 val;
582 	int ret;
583 
584 	val = EN_VPLL_SLEEP | EN_VMMC_SLEEP    \
585 		| EN_VAUX_SLEEP | EN_VIO_SLEEP \
586 		| EN_VMEM_SLEEP | EN_DC3_SLEEP \
587 		| EN_VC_SLEEP | EN_DC2_SLEEP;
588 
589 	ret = menelaus_set_regulator_sleep(1, val);
590 	if (ret < 0) {
591 		pr_err("Could not set regulators to sleep on menelaus: %u\n",
592 		       ret);
593 		return ret;
594 	}
595 	return 0;
596 }
597 
598 static int n8x0_auto_voltage_scale(void)
599 {
600 	int ret;
601 
602 	ret = menelaus_set_vcore_hw(1400, 1050);
603 	if (ret < 0) {
604 		pr_err("Could not set VCORE voltage on menelaus: %u\n", ret);
605 		return ret;
606 	}
607 	return 0;
608 }
609 
610 static int n8x0_menelaus_late_init(struct device *dev)
611 {
612 	int ret;
613 
614 	ret = n8x0_auto_voltage_scale();
615 	if (ret < 0)
616 		return ret;
617 	ret = n8x0_auto_sleep_regulators();
618 	if (ret < 0)
619 		return ret;
620 	return 0;
621 }
622 
623 #else
624 static int n8x0_menelaus_late_init(struct device *dev)
625 {
626 	return 0;
627 }
628 #endif
629 
630 static struct menelaus_platform_data n8x0_menelaus_platform_data __initdata = {
631 	.late_init = n8x0_menelaus_late_init,
632 };
633 
634 static struct i2c_board_info __initdata n8x0_i2c_board_info_1[] __initdata = {
635 	{
636 		I2C_BOARD_INFO("menelaus", 0x72),
637 		.irq = 7 + OMAP_INTC_START,
638 		.platform_data = &n8x0_menelaus_platform_data,
639 	},
640 };
641 
642 static struct aic3x_pdata n810_aic33_data __initdata = {
643 	.gpio_reset = 118,
644 };
645 
646 static struct i2c_board_info n810_i2c_board_info_2[] __initdata = {
647 	{
648 		I2C_BOARD_INFO("tlv320aic3x", 0x18),
649 		.platform_data = &n810_aic33_data,
650 	},
651 };
652 
653 #ifdef CONFIG_OMAP_MUX
654 static struct omap_board_mux board_mux[] __initdata = {
655 	/* I2S codec port pins for McBSP block */
656 	OMAP2420_MUX(EAC_AC_SCLK, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
657 	OMAP2420_MUX(EAC_AC_FS, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
658 	OMAP2420_MUX(EAC_AC_DIN, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
659 	OMAP2420_MUX(EAC_AC_DOUT, OMAP_MUX_MODE1 | OMAP_PIN_OUTPUT),
660 	{ .reg_offset = OMAP_MUX_TERMINATOR },
661 };
662 
663 static struct omap_device_pad serial2_pads[] __initdata = {
664 	{
665 		.name	= "uart3_rx_irrx.uart3_rx_irrx",
666 		.flags	= OMAP_DEVICE_PAD_REMUX | OMAP_DEVICE_PAD_WAKEUP,
667 		.enable	= OMAP_MUX_MODE0,
668 		.idle	= OMAP_MUX_MODE3	/* Mux as GPIO for idle */
669 	},
670 };
671 
672 static inline void board_serial_init(void)
673 {
674 	struct omap_board_data bdata;
675 
676 	bdata.flags = 0;
677 	bdata.pads = NULL;
678 	bdata.pads_cnt = 0;
679 
680 	bdata.id = 0;
681 	omap_serial_init_port(&bdata, NULL);
682 
683 	bdata.id = 1;
684 	omap_serial_init_port(&bdata, NULL);
685 
686 	bdata.id = 2;
687 	bdata.pads = serial2_pads;
688 	bdata.pads_cnt = ARRAY_SIZE(serial2_pads);
689 	omap_serial_init_port(&bdata, NULL);
690 }
691 
692 #else
693 
694 static inline void board_serial_init(void)
695 {
696 	omap_serial_init();
697 }
698 
699 #endif
700 
701 static void __init n8x0_init_machine(void)
702 {
703 	omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAC);
704 	/* FIXME: add n810 spi devices */
705 	spi_register_board_info(n800_spi_board_info,
706 				ARRAY_SIZE(n800_spi_board_info));
707 	omap_register_i2c_bus(1, 400, n8x0_i2c_board_info_1,
708 			      ARRAY_SIZE(n8x0_i2c_board_info_1));
709 	omap_register_i2c_bus(2, 400, NULL, 0);
710 	if (machine_is_nokia_n810())
711 		i2c_register_board_info(2, n810_i2c_board_info_2,
712 					ARRAY_SIZE(n810_i2c_board_info_2));
713 	board_serial_init();
714 	omap_sdrc_init(NULL, NULL);
715 	gpmc_onenand_init(board_onenand_data);
716 	n8x0_mmc_init();
717 	n8x0_usb_init();
718 	n8x0_cbus_init();
719 }
720 
721 MACHINE_START(NOKIA_N800, "Nokia N800")
722 	.atag_offset	= 0x100,
723 	.reserve	= omap_reserve,
724 	.map_io		= omap242x_map_io,
725 	.init_early	= omap2420_init_early,
726 	.init_irq	= omap2_init_irq,
727 	.handle_irq	= omap2_intc_handle_irq,
728 	.init_machine	= n8x0_init_machine,
729 	.init_late	= omap2420_init_late,
730 	.init_time	= omap2_sync32k_timer_init,
731 	.restart	= omap2xxx_restart,
732 MACHINE_END
733 
734 MACHINE_START(NOKIA_N810, "Nokia N810")
735 	.atag_offset	= 0x100,
736 	.reserve	= omap_reserve,
737 	.map_io		= omap242x_map_io,
738 	.init_early	= omap2420_init_early,
739 	.init_irq	= omap2_init_irq,
740 	.handle_irq	= omap2_intc_handle_irq,
741 	.init_machine	= n8x0_init_machine,
742 	.init_late	= omap2420_init_late,
743 	.init_time	= omap2_sync32k_timer_init,
744 	.restart	= omap2xxx_restart,
745 MACHINE_END
746 
747 MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX")
748 	.atag_offset	= 0x100,
749 	.reserve	= omap_reserve,
750 	.map_io		= omap242x_map_io,
751 	.init_early	= omap2420_init_early,
752 	.init_irq	= omap2_init_irq,
753 	.handle_irq	= omap2_intc_handle_irq,
754 	.init_machine	= n8x0_init_machine,
755 	.init_late	= omap2420_init_late,
756 	.init_time	= omap2_sync32k_timer_init,
757 	.restart	= omap2xxx_restart,
758 MACHINE_END
759