aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-pxa/spitz.c
blob: f2007db0cda5aebe5ad398a3909f8ddecd1f688f (plain)
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
/*
 * Support for Sharp SL-Cxx00 Series of PDAs
 * Models: SL-C3000 (Spitz), SL-C1000 (Akita) and SL-C3100 (Borzoi)
 *
 * Copyright (c) 2005 Richard Purdie
 *
 * Based on Sharp's 2.4 kernel patches/lubbock.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/major.h>
#include <linux/fs.h>
#include <linux/interrupt.h>
#include <linux/mmc/host.h>

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

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

#include <asm/arch/pxa-regs.h>
#include <asm/arch/irq.h>
#include <asm/arch/irda.h>
#include <asm/arch/mmc.h>
#include <asm/arch/ohci.h>
#include <asm/arch/udc.h>
#include <asm/arch/pxafb.h>
#include <asm/arch/akita.h>
#include <asm/arch/spitz.h>
#include <asm/arch/sharpsl.h>

#include <asm/mach/sharpsl_param.h>
#include <asm/hardware/scoop.h>

#include "generic.h"
#include "sharpsl.h"

/*
 * Spitz SCOOP Device #1
 */
static struct resource spitz_scoop_resources[] = {
	[0] = {
		.start		= 0x10800000,
		.end		= 0x10800fff,
		.flags		= IORESOURCE_MEM,
	},
};

static struct scoop_config spitz_scoop_setup = {
	.io_dir 	= SPITZ_SCP_IO_DIR,
	.io_out		= SPITZ_SCP_IO_OUT,
	.suspend_clr = SPITZ_SCP_SUS_CLR,
	.suspend_set = SPITZ_SCP_SUS_SET,
};

struct platform_device spitzscoop_device = {
	.name		= "sharp-scoop",
	.id		= 0,
	.dev		= {
 		.platform_data	= &spitz_scoop_setup,
	},
	.num_resources	= ARRAY_SIZE(spitz_scoop_resources),
	.resource	= spitz_scoop_resources,
};

/*
 * Spitz SCOOP Device #2
 */
static struct resource spitz_scoop2_resources[] = {
	[0] = {
		.start		= 0x08800040,
		.end		= 0x08800fff,
		.flags		= IORESOURCE_MEM,
	},
};

static struct scoop_config spitz_scoop2_setup = {
	.io_dir 	= SPITZ_SCP2_IO_DIR,
	.io_out		= SPITZ_SCP2_IO_OUT,
	.suspend_clr = SPITZ_SCP2_SUS_CLR,
	.suspend_set = SPITZ_SCP2_SUS_SET,
};

struct platform_device spitzscoop2_device = {
	.name		= "sharp-scoop",
	.id		= 1,
	.dev		= {
 		.platform_data	= &spitz_scoop2_setup,
	},
	.num_resources	= ARRAY_SIZE(spitz_scoop2_resources),
	.resource	= spitz_scoop2_resources,
};

#define SPITZ_PWR_SD 0x01
#define SPITZ_PWR_CF 0x02

/* Power control is shared with between one of the CF slots and SD */
static void spitz_card_pwr_ctrl(int device, unsigned short new_cpr)
{
	unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR);

	if (new_cpr & 0x0007) {
	        set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER);
		if (!(cpr & 0x0002) && !(cpr & 0x0004))
		        mdelay(5);
		if (device == SPITZ_PWR_CF)
		        cpr |= 0x0002;
		if (device == SPITZ_PWR_SD)
		        cpr |= 0x0004;
	        write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
	} else {
		if (device == SPITZ_PWR_CF)
		        cpr &= ~0x0002;
		if (device == SPITZ_PWR_SD)
		        cpr &= ~0x0004;
		if (!(cpr & 0x0002) && !(cpr & 0x0004)) {
			write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, 0x0000);
		        mdelay(1);
		        reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER);
		} else {
		        write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
		}
	}
}

static void spitz_pcmcia_init(void)
{
	/* Setup default state of GPIO outputs
	   before we enable them as outputs. */
	GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) |
		GPIO_bit(GPIO49_nPWE) |	GPIO_bit(GPIO50_nPIOR) |
		GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO54_nPCE_2);
	GPSR(GPIO85_nPCE_1) = GPIO_bit(GPIO85_nPCE_1);

	pxa_gpio_mode(GPIO48_nPOE_MD);
	pxa_gpio_mode(GPIO49_nPWE_MD);
	pxa_gpio_mode(GPIO50_nPIOR_MD);
	pxa_gpio_mode(GPIO51_nPIOW_MD);
	pxa_gpio_mode(GPIO55_nPREG_MD);
	pxa_gpio_mode(GPIO56_nPWAIT_MD);
	pxa_gpio_mode(GPIO57_nIOIS16_MD);
	pxa_gpio_mode(GPIO85_nPCE_1_MD);
	pxa_gpio_mode(GPIO54_nPCE_2_MD);
	pxa_gpio_mode(GPIO104_pSKTSEL_MD);
}

static void spitz_pcmcia_pwr(struct device *scoop, unsigned short cpr, int nr)
{
	/* Only need to override behaviour for slot 0 */
	if (nr == 0)
		spitz_card_pwr_ctrl(SPITZ_PWR_CF, cpr);
	else
		write_scoop_reg(scoop, SCOOP_CPR, cpr);
}

static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
{
	.dev        = &spitzscoop_device.dev,
	.irq        = SPITZ_IRQ_GPIO_CF_IRQ,
	.cd_irq     = SPITZ_IRQ_GPIO_CF_CD,
	.cd_irq_str = "PCMCIA0 CD",
},{
	.dev        = &spitzscoop2_device.dev,
	.irq        = SPITZ_IRQ_GPIO_CF2_IRQ,
	.cd_irq     = -1,
},
};

static struct scoop_pcmcia_config spitz_pcmcia_config = {
	.devs         = &spitz_pcmcia_scoop[0],
	.num_devs     = 2,
	.pcmcia_init  = spitz_pcmcia_init,
	.power_ctrl   = spitz_pcmcia_pwr,
};

EXPORT_SYMBOL(spitzscoop_device);
EXPORT_SYMBOL(spitzscoop2_device);


/*
 * Spitz SSP Device
 *
 * Set the parent as the scoop device because a lot of SSP devices
 * also use scoop functions and this makes the power up/down order
 * work correctly.
 */
struct platform_device spitzssp_device = {
	.name		= "corgi-ssp",
	.dev		= {
 		.parent = &spitzscoop_device.dev,
	},
	.id		= -1,
};

struct corgissp_machinfo spitz_ssp_machinfo = {
	.port		= 2,
	.cs_lcdcon	= SPITZ_GPIO_LCDCON_CS,
	.cs_ads7846	= SPITZ_GPIO_ADS7846_CS,
	.cs_max1111	= SPITZ_GPIO_MAX1111_CS,
	.clk_lcdcon	= 520,
	.clk_ads7846	= 14,
	.clk_max1111	= 56,
};


/*
 * Spitz Backlight Device
 */
static struct corgibl_machinfo spitz_bl_machinfo = {
	.max_intensity = 0x2f,
};

static struct platform_device spitzbl_device = {
	.name		= "corgi-bl",
	.dev		= {
 		.platform_data	= &spitz_bl_machinfo,
	},
	.id		= -1,
};


/*
 * Spitz Keyboard Device
 */
static struct platform_device spitzkbd_device = {
	.name		= "spitz-keyboard",
	.id		= -1,
};


/*
 * Spitz Touch Screen Device
 */
static struct resource spitzts_resources[] = {
	[0] = {
		.start		= SPITZ_IRQ_GPIO_TP_INT,
		.end		= SPITZ_IRQ_GPIO_TP_INT,
		.flags		= IORESOURCE_IRQ,
	},
};

static struct corgits_machinfo  spitz_ts_machinfo = {
	.get_hsync_len   = spitz_get_hsync_len,
	.put_hsync       = spitz_put_hsync,
	.wait_hsync      = spitz_wait_hsync,
};

static struct platform_device spitzts_device = {
	.name		= "corgi-ts",
	.dev		= {
 		.parent = &spitzssp_device.dev,
		.platform_data	= &spitz_ts_machinfo,
	},
	.id		= -1,
	.num_resources	= ARRAY_SIZE(spitzts_resources),
	.resource	= spitzts_resources,
};


/*
 * MMC/SD Device
 *
 * The card detect interrupt isn't debounced so we delay it by 250ms
 * to give the card a chance to fully insert/eject.
 */

static struct pxamci_platform_data spitz_mci_platform_data;

static int spitz_mci_init(struct device *dev, irqreturn_t (*spitz_detect_int)(int, void *, struct pt_regs *), void *data)
{
	int err;

	/* setup GPIO for PXA27x MMC controller	*/
	pxa_gpio_mode(GPIO32_MMCCLK_MD);
	pxa_gpio_mode(GPIO112_MMCCMD_MD);
	pxa_gpio_mode(GPIO92_MMCDAT0_MD);
	pxa_gpio_mode(GPIO109_MMCDAT1_MD);
	pxa_gpio_mode(GPIO110_MMCDAT2_MD);
	pxa_gpio_mode(GPIO111_MMCDAT3_MD);
	pxa_gpio_mode(SPITZ_GPIO_nSD_DETECT | GPIO_IN);
	pxa_gpio_mode(SPITZ_GPIO_nSD_WP | GPIO_IN);

	spitz_mci_platform_data.detect_delay = msecs_to_jiffies(250);

	err = request_irq(SPITZ_IRQ_GPIO_nSD_DETECT, spitz_detect_int, SA_INTERRUPT,
			     "MMC card detect", data);
	if (err) {
		printk(KERN_ERR "spitz_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
		return -1;
	}

	set_irq_type(SPITZ_IRQ_GPIO_nSD_DETECT, IRQT_BOTHEDGE);

	return 0;
}

static void spitz_mci_setpower(struct device *dev, unsigned int vdd)
{
	struct pxamci_platform_data* p_d = dev->platform_data;

	if (( 1 << vdd) & p_d->ocr_mask)
		spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0004);
	else
		spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0000);
}

static int spitz_mci_get_ro(struct device *dev)
{
	return GPLR(SPITZ_GPIO_nSD_WP) & GPIO_bit(SPITZ_GPIO_nSD_WP);
}

static void spitz_mci_exit(struct device *dev, void *data)
{
	free_irq(SPITZ_IRQ_GPIO_nSD_DETECT, data);
}

static struct pxamci_platform_data spitz_mci_platform_data = {
	.ocr_mask	= MMC_VDD_32_33|MMC_VDD_33_34,
	.init 		= spitz_mci_init,
	.get_ro		= spitz_mci_get_ro,
	.setpower 	= spitz_mci_setpower,
	.exit		= spitz_mci_exit,
};


/*
 * USB Host (OHCI)
 */
static int spitz_ohci_init(struct device *dev)
{
	/* Only Port 2 is connected */
	pxa_gpio_mode(SPITZ_GPIO_USB_CONNECT | GPIO_IN);
	pxa_gpio_mode(SPITZ_GPIO_USB_HOST | GPIO_OUT);
	pxa_gpio_mode(SPITZ_GPIO_USB_DEVICE | GPIO_IN);

	/* Setup USB Port 2 Output Control Register */
	UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;

	GPSR(SPITZ_GPIO_USB_HOST) = GPIO_bit(SPITZ_GPIO_USB_HOST);

	UHCHR = (UHCHR) &
		~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE);

	UHCRHDA |= UHCRHDA_NOCP;

	return 0;
}

static struct pxaohci_platform_data spitz_ohci_platform_data = {
	.port_mode	= PMM_NPS_MODE,
	.init		= spitz_ohci_init,
};


/*
 * Irda
 */
static void spitz_irda_transceiver_mode(struct device *dev, int mode)
{
	if (mode & IR_OFF)
		set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_IR_ON);
	else
		reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_IR_ON);
}

#ifdef CONFIG_MACH_AKITA
static void akita_irda_transceiver_mode(struct device *dev, int mode)
{
	if (mode & IR_OFF)
		akita_set_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_IR_ON);
	else
		akita_reset_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_IR_ON);
}
#endif

static struct pxaficp_platform_data spitz_ficp_platform_data = {
	.transceiver_cap  = IR_SIRMODE | IR_OFF,
	.transceiver_mode = spitz_irda_transceiver_mode,
};


/*
 * Spitz PXA Framebuffer
 */
static struct pxafb_mach_info spitz_pxafb_info __initdata = {
        .pixclock       = 19231,
        .xres           = 480,
        .yres           = 640,
        .bpp            = 16,
        .hsync_len      = 40,
        .left_margin    = 46,
        .right_margin   = 125,
        .vsync_len      = 3,
        .upper_margin   = 1,
        .lower_margin   = 0,
        .sync           = 0,
        .lccr0          = LCCR0_Color | LCCR0_Sngl | LCCR0_Act | LCCR0_LDDALT | LCCR0_OUC | LCCR0_CMDIM | LCCR0_RDSTM,
        .lccr3          = LCCR3_PixRsEdg | LCCR3_OutEnH,
        .pxafb_lcd_power = spitz_lcd_power,
};


static struct platform_device *devices[] __initdata = {
	&spitzscoop_device,
	&spitzssp_device,
	&spitzkbd_device,
	&spitzts_device,
	&spitzbl_device,
};

static void __init common_init(void)
{
	PMCR = 0x00;

	/* setup sleep mode values */
	PWER  = 0x00000002;
	PFER  = 0x00000000;
	PRER  = 0x00000002;
	PGSR0 = 0x0158C000;
	PGSR1 = 0x00FF0080;
	PGSR2 = 0x0001C004;

	/* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
	PCFR |= PCFR_OPDE;

	corgi_ssp_set_machinfo(&spitz_ssp_machinfo);

	pxa_gpio_mode(SPITZ_GPIO_HSYNC | GPIO_IN);

	platform_add_devices(devices, ARRAY_SIZE(devices));
	pxa_set_mci_info(&spitz_mci_platform_data);
	pxa_set_ohci_info(&spitz_ohci_platform_data);
	pxa_set_ficp_info(&spitz_ficp_platform_data);
	set_pxa_fb_parent(&spitzssp_device.dev);
	set_pxa_fb_info(&spitz_pxafb_info);
}

static void __init spitz_init(void)
{
	platform_scoop_config = &spitz_pcmcia_config;

	spitz_bl_machinfo.set_bl_intensity = spitz_bl_set_intensity;

	common_init();

	platform_device_register(&spitzscoop2_device);
}

#ifdef CONFIG_MACH_AKITA
/*
 * Akita IO Expander
 */
struct platform_device akitaioexp_device = {
	.name		= "akita-ioexp",
	.id		= -1,
};

static void __init akita_init(void)
{
	spitz_ficp_platform_data.transceiver_mode = akita_irda_transceiver_mode;

	/* We just pretend the second element of the array doesn't exist */
	spitz_pcmcia_config.num_devs = 1;
	platform_scoop_config = &spitz_pcmcia_config;
	spitz_bl_machinfo.set_bl_intensity = akita_bl_set_intensity;

	platform_device_register(&akitaioexp_device);

	spitzscoop_device.dev.parent = &akitaioexp_device.dev;
	common_init();
}
#endif


static void __init fixup_spitz(struct machine_desc *desc,
		struct tag *tags, char **cmdline, struct meminfo *mi)
{
	sharpsl_save_param();
	mi->nr_banks = 1;
	mi->bank[0].start = 0xa0000000;
	mi->bank[0].node = 0;
	mi->bank[0].size = (64*1024*1024);
}

#ifdef CONFIG_MACH_SPITZ
MACHINE_START(SPITZ, "SHARP Spitz")
	.phys_ram	= 0xa0000000,
	.phys_io	= 0x40000000,
	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
	.fixup		= fixup_spitz,
	.map_io		= pxa_map_io,
	.init_irq	= pxa_init_irq,
	.init_machine	= spitz_init,
	.timer		= &pxa_timer,
MACHINE_END
#endif

#ifdef CONFIG_MACH_BORZOI
MACHINE_START(BORZOI, "SHARP Borzoi")
	.phys_ram	= 0xa0000000,
	.phys_io	= 0x40000000,
	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
	.fixup		= fixup_spitz,
	.map_io		= pxa_map_io,
	.init_irq	= pxa_init_irq,
	.init_machine	= spitz_init,
	.timer		= &pxa_timer,
MACHINE_END
#endif

#ifdef CONFIG_MACH_AKITA
MACHINE_START(AKITA, "SHARP Akita")
	.phys_ram	= 0xa0000000,
	.phys_io	= 0x40000000,
	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
	.fixup		= fixup_spitz,
	.map_io		= pxa_map_io,
	.init_irq	= pxa_init_irq,
	.init_machine	= akita_init,
	.timer		= &pxa_timer,
MACHINE_END
#endif