aboutsummaryrefslogblamecommitdiffstats
path: root/arch/arm/mach-pxa/stargate2.c
blob: 2041eb1d90ba0be9582c843b241b318b0f8b611a (plain) (tree)
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
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762

























































































































































































































































































































































































































































































































































































































































































































































































                                                                               



                                  




























                                                                              
/*
 *  linux/arch/arm/mach-pxa/stargate2.c
 *
 *  Author:	Ed C. Epp
 *  Created:	Nov 05, 2002
 *  Copyright:	Intel Corp.
 *
 *  Modified 2009:  Jonathan Cameron <jic23@cam.ac.uk>
 *
 *  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/init.h>
#include <linux/device.h>
#include <linux/interrupt.h>
#include <linux/sched.h>
#include <linux/bitops.h>
#include <linux/fb.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/regulator/machine.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/plat-ram.h>
#include <linux/mtd/partitions.h>

#include <linux/i2c/pcf857x.h>
#include <linux/i2c/at24.h>
#include <linux/smc91x.h>
#include <linux/gpio.h>

#include <asm/types.h>
#include <asm/setup.h>
#include <asm/memory.h>
#include <asm/mach-types.h>
#include <asm/irq.h>

#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <asm/mach/flash.h>

#include <mach/pxa27x.h>
#include <plat/i2c.h>
#include <mach/mmc.h>
#include <mach/udc.h>
#include <mach/pxa2xx_spi.h>
#include <mach/pxa27x-udc.h>

#include <linux/spi/spi.h>
#include <linux/mfd/da903x.h>
#include <linux/sht15.h>

#include "devices.h"
#include "generic.h"

/* Bluetooth */
#define SG2_BT_RESET		81

/* SD */
#define SG2_GPIO_nSD_DETECT	90
#define SG2_SD_POWER_ENABLE	89

static unsigned long stargate2_pin_config[] __initdata = {

	GPIO15_nCS_1, /* SRAM */
	/* SMC91x */
	GPIO80_nCS_4,
	GPIO40_GPIO, /*cable detect?*/
	/* Device Identification for wakeup*/
	GPIO102_GPIO,

	/* Button */
	GPIO91_GPIO | WAKEUP_ON_LEVEL_HIGH,

	/* DA9030 */
	GPIO1_GPIO,

	/* Compact Flash */
	GPIO79_PSKTSEL,
	GPIO48_nPOE,
	GPIO49_nPWE,
	GPIO50_nPIOR,
	GPIO51_nPIOW,
	GPIO85_nPCE_1,
	GPIO54_nPCE_2,
	GPIO55_nPREG,
	GPIO56_nPWAIT,
	GPIO57_nIOIS16,
	GPIO120_GPIO, /* Buff ctrl */
	GPIO108_GPIO, /* Power ctrl */
	GPIO82_GPIO, /* Reset */
	GPIO53_GPIO, /* SG2_S0_GPIO_DETECT */

	/* MMC */
	GPIO32_MMC_CLK,
	GPIO112_MMC_CMD,
	GPIO92_MMC_DAT_0,
	GPIO109_MMC_DAT_1,
	GPIO110_MMC_DAT_2,
	GPIO111_MMC_DAT_3,
	GPIO90_GPIO, /* nSD detect */
	GPIO89_GPIO, /* SD_POWER_ENABLE */

	/* Bluetooth */
	GPIO81_GPIO, /* reset */

	/* cc2420 802.15.4 radio */
	GPIO22_GPIO,		/* CC_RSTN  (out)*/
	GPIO114_GPIO,		/* CC_FIFO (in) */
	GPIO116_GPIO, 		/* CC_CCA (in) */
	GPIO0_GPIO,		/* CC_FIFOP (in) */
	GPIO16_GPIO,		/* CCSFD (in) */
	GPIO39_GPIO,		/* CSn (out) */

	/* I2C */
	GPIO117_I2C_SCL,
	GPIO118_I2C_SDA,

	/* SSP 3 - 802.15.4 radio */
	GPIO39_GPIO, /* chip select */
	GPIO34_SSP3_SCLK,
	GPIO35_SSP3_TXD,
	GPIO41_SSP3_RXD,

	/* SSP 2 */
	GPIO11_SSP2_RXD,
	GPIO38_SSP2_TXD,
	GPIO36_SSP2_SCLK,
	GPIO37_GPIO, /* chip select */

	/* SSP 1 */
	GPIO26_SSP1_RXD,
	GPIO25_SSP1_TXD,
	GPIO23_SSP1_SCLK,
	GPIO24_GPIO, /* chip select */

	/* BTUART */
	GPIO42_BTUART_RXD,
	GPIO43_BTUART_TXD,
	GPIO44_BTUART_CTS,
	GPIO45_BTUART_RTS,

	/* STUART */
	GPIO46_STUART_RXD,
	GPIO47_STUART_TXD,

	/* Basic sensor board */
	GPIO96_GPIO,	/* accelerometer interrupt */
	GPIO99_GPIO,	/* ADC interrupt */

	/* Connector pins specified as gpios */
	GPIO94_GPIO, /* large basic connector pin 14 */
	GPIO10_GPIO, /* large basic connector pin 23 */

	/* SHT15 */
	GPIO100_GPIO,
	GPIO98_GPIO,
};

/**
 * stargate2_reset_bluetooth() reset the bluecore to ensure consistent state
 **/
static int stargate2_reset_bluetooth(void)
{
	int err;
	err = gpio_request(SG2_BT_RESET, "SG2_BT_RESET");
	if (err) {
		printk(KERN_ERR "Could not get gpio for bluetooth reset \n");
		return err;
	}
	gpio_direction_output(SG2_BT_RESET, 1);
	mdelay(5);
	/* now reset it - 5 msec minimum */
	gpio_set_value(SG2_BT_RESET, 0);
	mdelay(10);
	gpio_set_value(SG2_BT_RESET, 1);
	gpio_free(SG2_BT_RESET);
	return 0;
}

static struct led_info stargate2_leds[] = {
	{
		.name = "sg2:red",
		.flags = DA9030_LED_RATE_ON,
	}, {
		.name = "sg2:blue",
		.flags = DA9030_LED_RATE_ON,
	}, {
		.name = "sg2:green",
		.flags = DA9030_LED_RATE_ON,
	},
};

static struct sht15_platform_data platform_data_sht15 = {
	.gpio_data =  100,
	.gpio_sck  =  98,
};

static struct platform_device sht15 = {
	.name = "sht15",
	.id = -1,
	.dev = {
		.platform_data = &platform_data_sht15,
	},
};

static struct regulator_consumer_supply stargate2_sensor_3_con[] = {
	{
		.dev = &sht15.dev,
		.supply = "vcc",
	},
};

enum stargate2_ldos{
	vcc_vref,
	vcc_cc2420,
	/* a mote connector? */
	vcc_mica,
	/* the CSR bluecore chip */
	vcc_bt,
	/* The two voltages available to sensor boards */
	vcc_sensor_1_8,
	vcc_sensor_3,
	/* directly connected to the pxa27x */
	vcc_sram_ext,
	vcc_pxa_pll,
	vcc_pxa_usim, /* Reference voltage for certain gpios */
	vcc_pxa_mem,
	vcc_pxa_flash,
	vcc_pxa_core, /*Dc-Dc buck not yet supported */
	vcc_lcd,
	vcc_bb,
	vcc_bbio, /*not sure!*/
	vcc_io, /* cc2420 802.15.4 radio and pxa vcc_io ?*/
};

/* The values of the various regulator constraints are obviously dependent
 * on exactly what is wired to each ldo.  Unfortunately this information is
 * not generally available.  More information has been requested from Xbow.
 */
static struct regulator_init_data stargate2_ldo_init_data[] = {
	[vcc_bbio] = {
		.constraints = { /* board default 1.8V */
			.name = "vcc_bbio",
			.min_uV = 1800000,
			.max_uV = 1800000,
		},
	},
	[vcc_bb] = {
		.constraints = { /* board default 2.8V */
			.name = "vcc_bb",
			.min_uV = 2700000,
			.max_uV = 3000000,
		},
	},
	[vcc_pxa_flash] = {
		.constraints = {/* default is 1.8V */
			.name = "vcc_pxa_flash",
			.min_uV = 1800000,
			.max_uV = 1800000,
		},
	},
	[vcc_cc2420] = { /* also vcc_io */
		.constraints = {
			/* board default is 2.8V */
			.name = "vcc_cc2420",
			.min_uV = 2700000,
			.max_uV = 3300000,
		},
	},
	[vcc_vref] = { /* Reference for what? */
		.constraints = { /* default 1.8V */
			.name = "vcc_vref",
			.min_uV = 1800000,
			.max_uV = 1800000,
		},
	},
	[vcc_sram_ext] = {
		.constraints = { /* default 2.8V */
			.name = "vcc_sram_ext",
			.min_uV = 2800000,
			.max_uV = 2800000,
		},
	},
	[vcc_mica] = {
		.constraints = { /* default 2.8V */
			.name = "vcc_mica",
			.min_uV = 2800000,
			.max_uV = 2800000,
		},
	},
	[vcc_bt] = {
		.constraints = { /* default 2.8V */
			.name = "vcc_bt",
			.min_uV = 2800000,
			.max_uV = 2800000,
		},
	},
	[vcc_lcd] = {
		.constraints = { /* default 2.8V */
			.name = "vcc_lcd",
			.min_uV = 2700000,
			.max_uV = 3300000,
		},
	},
	[vcc_io] = { /* Same or higher than everything
			  * bar vccbat and vccusb */
		.constraints = { /* default 2.8V */
			.name = "vcc_io",
			.min_uV = 2692000,
			.max_uV = 3300000,
		},
	},
	[vcc_sensor_1_8] = {
		.constraints = { /* default 1.8V */
			.name = "vcc_sensor_1_8",
			.min_uV = 1800000,
			.max_uV = 1800000,
		},
	},
	[vcc_sensor_3] = { /* curiously default 2.8V */
		.constraints = {
			.name = "vcc_sensor_3",
			.min_uV = 2800000,
			.max_uV = 3000000,
		},
		.num_consumer_supplies = ARRAY_SIZE(stargate2_sensor_3_con),
		.consumer_supplies = stargate2_sensor_3_con,
	},
	[vcc_pxa_pll] = { /* 1.17V - 1.43V, default 1.3V*/
		.constraints = {
			.name = "vcc_pxa_pll",
			.min_uV = 1170000,
			.max_uV = 1430000,
		},
	},
	[vcc_pxa_usim] = {
		.constraints = { /* default 1.8V */
			.name = "vcc_pxa_usim",
			.min_uV = 1710000,
			.max_uV = 2160000,
		},
	},
	[vcc_pxa_mem] = {
		.constraints = { /* default 1.8V */
			.name = "vcc_pxa_mem",
			.min_uV = 1800000,
			.max_uV = 1800000,
		},
	},
};

static struct da903x_subdev_info stargate2_da9030_subdevs[] = {
	{
		.name = "da903x-led",
		.id = DA9030_ID_LED_2,
		.platform_data = &stargate2_leds[0],
	}, {
		.name = "da903x-led",
		.id = DA9030_ID_LED_3,
		.platform_data = &stargate2_leds[2],
	}, {
		.name = "da903x-led",
		.id = DA9030_ID_LED_4,
		.platform_data = &stargate2_leds[1],
	}, {
		.name = "da903x-regulator",
		.id = DA9030_ID_LDO2,
		.platform_data = &stargate2_ldo_init_data[vcc_bbio],
	}, {
		.name = "da903x-regulator",
		.id = DA9030_ID_LDO3,
		.platform_data = &stargate2_ldo_init_data[vcc_bb],
	}, {
		.name = "da903x-regulator",
		.id = DA9030_ID_LDO4,
		.platform_data = &stargate2_ldo_init_data[vcc_pxa_flash],
	}, {
		.name = "da903x-regulator",
		.id = DA9030_ID_LDO5,
		.platform_data = &stargate2_ldo_init_data[vcc_cc2420],
	}, {
		.name = "da903x-regulator",
		.id = DA9030_ID_LDO6,
		.platform_data = &stargate2_ldo_init_data[vcc_vref],
	}, {
		.name = "da903x-regulator",
		.id = DA9030_ID_LDO7,
		.platform_data = &stargate2_ldo_init_data[vcc_sram_ext],
	}, {
		.name = "da903x-regulator",
		.id = DA9030_ID_LDO8,
		.platform_data = &stargate2_ldo_init_data[vcc_mica],
	}, {
		.name = "da903x-regulator",
		.id = DA9030_ID_LDO9,
		.platform_data = &stargate2_ldo_init_data[vcc_bt],
	}, {
		.name = "da903x-regulator",
		.id = DA9030_ID_LDO10,
		.platform_data = &stargate2_ldo_init_data[vcc_sensor_1_8],
	}, {
		.name = "da903x-regulator",
		.id = DA9030_ID_LDO11,
		.platform_data = &stargate2_ldo_init_data[vcc_sensor_3],
	}, {
		.name = "da903x-regulator",
		.id = DA9030_ID_LDO12,
		.platform_data = &stargate2_ldo_init_data[vcc_lcd],
	}, {
		.name = "da903x-regulator",
		.id = DA9030_ID_LDO15,
		.platform_data = &stargate2_ldo_init_data[vcc_pxa_pll],
	}, {
		.name = "da903x-regulator",
		.id = DA9030_ID_LDO17,
		.platform_data = &stargate2_ldo_init_data[vcc_pxa_usim],
	}, {
		.name = "da903x-regulator", /*pxa vcc i/o and cc2420 vcc i/o */
		.id = DA9030_ID_LDO18,
		.platform_data = &stargate2_ldo_init_data[vcc_io],
	}, {
		.name = "da903x-regulator",
		.id = DA9030_ID_LDO19,
		.platform_data = &stargate2_ldo_init_data[vcc_pxa_mem],
	},
};

static struct da903x_platform_data stargate2_da9030_pdata = {
	.num_subdevs = ARRAY_SIZE(stargate2_da9030_subdevs),
	.subdevs = stargate2_da9030_subdevs,
};

static struct resource smc91x_resources[] = {
	[0] = {
		.name = "smc91x-regs",
		.start = (PXA_CS4_PHYS + 0x300),
		.end = (PXA_CS4_PHYS + 0xfffff),
		.flags = IORESOURCE_MEM,
	},
	[1] = {
		.start = IRQ_GPIO(40),
		.end = IRQ_GPIO(40),
		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
	}
};

static struct smc91x_platdata stargate2_smc91x_info = {
	.flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT
	| SMC91X_NOWAIT | SMC91X_USE_DMA,
};

static struct platform_device smc91x_device = {
	.name = "smc91x",
	.id = -1,
	.num_resources = ARRAY_SIZE(smc91x_resources),
	.resource = smc91x_resources,
	.dev = {
		.platform_data = &stargate2_smc91x_info,
	},
};



static struct pxamci_platform_data stargate2_mci_platform_data;

/*
 * The card detect interrupt isn't debounced so we delay it by 250ms
 * to give the card a chance to fully insert / eject.
 */
static int stargate2_mci_init(struct device *dev,
			      irq_handler_t stargate2_detect_int,
			      void *data)
{
	int err;

	err = gpio_request(SG2_SD_POWER_ENABLE, "SG2_sd_power_enable");
	if (err) {
		printk(KERN_ERR "Can't get the gpio for SD power control");
		goto return_err;
	}
	gpio_direction_output(SG2_SD_POWER_ENABLE, 0);

	err = gpio_request(SG2_GPIO_nSD_DETECT, "SG2_sd_detect");
	if (err) {
		printk(KERN_ERR "Can't get the sd detect gpio");
		goto free_power_en;
	}
	gpio_direction_input(SG2_GPIO_nSD_DETECT);
	/* Delay to allow for full insertion */
	stargate2_mci_platform_data.detect_delay = msecs_to_jiffies(250);

	err = request_irq(IRQ_GPIO(SG2_GPIO_nSD_DETECT),
			  stargate2_detect_int,
			  IRQ_TYPE_EDGE_BOTH,
			  "MMC card detect",
			  data);
	if (err) {
		printk(KERN_ERR "can't request MMC card detect IRQ\n");
		goto free_nsd_detect;
	}
	return 0;

 free_nsd_detect:
	gpio_free(SG2_GPIO_nSD_DETECT);
 free_power_en:
	gpio_free(SG2_SD_POWER_ENABLE);
 return_err:
	return err;
}

/**
 * stargate2_mci_setpower() - set state of mmc power supply
 *
 * Very simple control. Either it is on or off and is controlled by
 * a gpio pin */
static void stargate2_mci_setpower(struct device *dev, unsigned int vdd)
{
	gpio_set_value(SG2_SD_POWER_ENABLE, !!vdd);
}

static void stargate2_mci_exit(struct device *dev, void *data)
{
	free_irq(IRQ_GPIO(SG2_GPIO_nSD_DETECT), data);
	gpio_free(SG2_SD_POWER_ENABLE);
	gpio_free(SG2_GPIO_nSD_DETECT);
}

static struct pxamci_platform_data stargate2_mci_platform_data = {
	.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
	.init = stargate2_mci_init,
	.setpower = stargate2_mci_setpower,
	.exit = stargate2_mci_exit,
};

static struct mtd_partition stargate2flash_partitions[] = {
	{
		.name = "Bootloader",
		.size = 0x00040000,
		.offset = 0,
		.mask_flags = 0,
	}, {
		.name = "Kernel",
		.size = 0x00200000,
		.offset = 0x00040000,
		.mask_flags = 0
	}, {
		.name = "Filesystem",
		.size = 0x01DC0000,
		.offset = 0x00240000,
		.mask_flags = 0
	},
};

static struct resource flash_resources = {
	.start = PXA_CS0_PHYS,
	.end = PXA_CS0_PHYS + SZ_32M - 1,
	.flags = IORESOURCE_MEM,
};

static struct flash_platform_data stargate2_flash_data = {
	.map_name = "cfi_probe",
	.parts = stargate2flash_partitions,
	.nr_parts = ARRAY_SIZE(stargate2flash_partitions),
	.name = "PXA27xOnChipROM",
	.width = 2,
};

static struct platform_device stargate2_flash_device = {
	.name = "pxa2xx-flash",
	.id = 0,
	.dev = {
		.platform_data = &stargate2_flash_data,
	},
	.resource = &flash_resources,
	.num_resources = 1,
};

/*
 * SRAM - The Stargate 2 has 32MB of SRAM.
 *
 * Here it is made available as an MTD. This will then
 * typically have a cifs filesystem created on it to provide
 * fast temporary storage.
 */
static struct resource sram_resources = {
	.start = PXA_CS1_PHYS,
	.end = PXA_CS1_PHYS + SZ_32M-1,
	.flags = IORESOURCE_MEM,
};

static struct platdata_mtd_ram stargate2_sram_pdata = {
	.mapname = "Stargate2 SRAM",
	.bankwidth = 2,
};

static struct platform_device stargate2_sram = {
	.name = "mtd-ram",
	.id = 0,
	.resource = &sram_resources,
	.num_resources = 1,
	.dev = {
		.platform_data = &stargate2_sram_pdata,
	},
};

static struct pcf857x_platform_data platform_data_pcf857x = {
	.gpio_base = 128,
	.n_latch = 0,
	.setup = NULL,
	.teardown = NULL,
	.context = NULL,
};

static struct at24_platform_data pca9500_eeprom_pdata = {
	.byte_len = 256,
	.page_size = 4,
};


static struct i2c_board_info __initdata stargate2_i2c_board_info[] = {
	/* Techically this a pca9500 - but it's compatible with the 8574
	 * for gpio expansion and the 24c02 for eeprom access.
	 */
	{
		.type = "pcf8574",
		.addr =  0x27,
		.platform_data = &platform_data_pcf857x,
	}, {
		.type = "24c02",
		.addr = 0x57,
		.platform_data = &pca9500_eeprom_pdata,
	}, {
		.type = "max1238",
		.addr = 0x35,
	}, { /* ITS400 Sensor board only */
		.type = "max1363",
		.addr = 0x34,
		/* Through a nand gate - Also beware, on V2 sensor board the
		 * pull up resistors are missing.
		 */
		.irq = IRQ_GPIO(99),
	}, { /* ITS400 Sensor board only */
		.type = "tsl2561",
		.addr = 0x49,
		/* Through a nand gate - Also beware, on V2 sensor board the
		 * pull up resistors are missing.
		 */
		.irq = IRQ_GPIO(99),
	}, { /* ITS400 Sensor board only */
		.type = "tmp175",
		.addr = 0x4A,
		.irq = IRQ_GPIO(96),
	},
};

static struct i2c_board_info __initdata stargate2_pwr_i2c_board_info[] = {
	{
		.type = "da9030",
		.addr = 0x49,
		.platform_data = &stargate2_da9030_pdata,
		.irq = gpio_to_irq(1),
	},
};

static struct pxa2xx_spi_master pxa_ssp_master_0_info = {
	.num_chipselect = 1,
};

static struct pxa2xx_spi_master pxa_ssp_master_1_info = {
	.num_chipselect = 1,
};

static struct pxa2xx_spi_master pxa_ssp_master_2_info = {
	.num_chipselect = 1,
};

/* An upcoming kernel change will scrap SFRM usage so these
 * drivers have been moved to use gpio's via cs_control */
static struct pxa2xx_spi_chip staccel_chip_info = {
	.tx_threshold = 8,
	.rx_threshold = 8,
	.dma_burst_size = 8,
	.timeout = 235,
	.gpio_cs = 24,
};

static struct pxa2xx_spi_chip cc2420_info = {
	.tx_threshold = 8,
	.rx_threshold = 8,
	.dma_burst_size = 8,
	.timeout = 235,
	.gpio_cs = 39,
};

static struct spi_board_info spi_board_info[] __initdata = {
	{
		.modalias = "lis3l02dq",
		.max_speed_hz = 8000000,/* 8MHz max spi frequency at 3V */
		.bus_num = 1,
		.chip_select = 0,
		.controller_data = &staccel_chip_info,
		.irq = IRQ_GPIO(96),
	}, {
		.modalias = "cc2420",
		.max_speed_hz = 6500000,
		.bus_num = 3,
		.chip_select = 0,
		.controller_data = &cc2420_info,
	},
};

static void sg2_udc_command(int cmd)
{
	switch (cmd) {
	case PXA2XX_UDC_CMD_CONNECT:
		UP2OCR |=  UP2OCR_HXOE  | UP2OCR_DPPUE | UP2OCR_DPPUBE;
		break;
	case PXA2XX_UDC_CMD_DISCONNECT:
		UP2OCR &= ~(UP2OCR_HXOE  | UP2OCR_DPPUE | UP2OCR_DPPUBE);
		break;
	}
}

/* Board doesn't support cable detection - so always lie and say
 * something is there.
 */
static int sg2_udc_detect(void)
{
	return 1;
}

static struct pxa2xx_udc_mach_info stargate2_udc_info __initdata = {
	.udc_is_connected	= sg2_udc_detect,
	.udc_command		= sg2_udc_command,
};

static struct platform_device *stargate2_devices[] = {
	&stargate2_flash_device,
	&stargate2_sram,
	&smc91x_device,
	&sht15,
};

static struct i2c_pxa_platform_data i2c_pwr_pdata = {
	.fast_mode = 1,
};

static struct i2c_pxa_platform_data i2c_pdata = {
	.fast_mode = 1,
};

static void __init stargate2_init(void)
{
	/* This is probably a board specific hack as this must be set
	   prior to connecting the MFP stuff up. */
	MECR &= ~MECR_NOS;

	pxa2xx_mfp_config(ARRAY_AND_SIZE(stargate2_pin_config));

	pxa_set_ffuart_info(NULL);
	pxa_set_btuart_info(NULL);
	pxa_set_stuart_info(NULL);

	platform_add_devices(ARRAY_AND_SIZE(stargate2_devices));

	pxa2xx_set_spi_info(1, &pxa_ssp_master_0_info);
	pxa2xx_set_spi_info(2, &pxa_ssp_master_1_info);
	pxa2xx_set_spi_info(3, &pxa_ssp_master_2_info);
	spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));

	i2c_register_board_info(0, ARRAY_AND_SIZE(stargate2_i2c_board_info));
	i2c_register_board_info(1,
				ARRAY_AND_SIZE(stargate2_pwr_i2c_board_info));
	pxa27x_set_i2c_power_info(&i2c_pwr_pdata);
	pxa_set_i2c_info(&i2c_pdata);

	pxa_set_mci_info(&stargate2_mci_platform_data);

	pxa_set_udc_info(&stargate2_udc_info);

	stargate2_reset_bluetooth();
}

MACHINE_START(STARGATE2, "Stargate 2")
	.phys_io = 0x40000000,
	.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
	.map_io = pxa_map_io,
	.init_irq = pxa27x_init_irq,
	.timer = &pxa_timer,
	.init_machine = stargate2_init,
	.boot_params = 0xA0000100,
MACHINE_END