summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-pxa/poodle.c
blob: c2a43d4cfd3efb3069d3f1e3b733a119d007b39e (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
/*
 * linux/arch/arm/mach-pxa/poodle.c
 *
 *  Support for the SHARP Poodle Board.
 *
 * Based on:
 *  linux/arch/arm/mach-pxa/lubbock.c Author:	Nicolas Pitre
 *
 *  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.
 *
 * Change Log
 *  12-Dec-2002 Sharp Corporation for Poodle
 *  John Lenz <lenz@cs.wisc.edu> updates to 2.6
 */
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/export.h>
#include <linux/platform_device.h>
#include <linux/fb.h>
#include <linux/pm.h>
#include <linux/delay.h>
#include <linux/mtd/physmap.h>
#include <linux/gpio.h>
#include <linux/gpio/machine.h>
#include <linux/i2c.h>
#include <linux/platform_data/i2c-pxa.h>
#include <linux/regulator/machine.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <linux/spi/pxa2xx_spi.h>
#include <linux/mtd/sharpsl.h>
#include <linux/memblock.h>

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

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

#include "pxa25x.h"
#include <linux/platform_data/mmc-pxamci.h>
#include "udc.h"
#include <linux/platform_data/irda-pxaficp.h>
#include <mach/poodle.h>
#include <linux/platform_data/video-pxafb.h>

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

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

static unsigned long poodle_pin_config[] __initdata = {
	/* I/O */
	GPIO79_nCS_3,
	GPIO80_nCS_4,
	GPIO18_RDY,

	/* Clock */
	GPIO12_32KHz,

	/* SSP1 */
	GPIO23_SSP1_SCLK,
	GPIO25_SSP1_TXD,
	GPIO26_SSP1_RXD,
	GPIO24_GPIO,	/* POODLE_GPIO_TP_CS - SFRM as chip select */

	/* I2S */
	GPIO28_I2S_BITCLK_OUT,
	GPIO29_I2S_SDATA_IN,
	GPIO30_I2S_SDATA_OUT,
	GPIO31_I2S_SYNC,
	GPIO32_I2S_SYSCLK,

	/* Infra-Red */
	GPIO47_FICP_TXD,
	GPIO46_FICP_RXD,

	/* FFUART */
	GPIO40_FFUART_DTR,
	GPIO41_FFUART_RTS,
	GPIO39_FFUART_TXD,
	GPIO37_FFUART_DSR,
	GPIO34_FFUART_RXD,
	GPIO35_FFUART_CTS,

	/* LCD */
	GPIOxx_LCD_TFT_16BPP,

	/* PC Card */
	GPIO48_nPOE,
	GPIO49_nPWE,
	GPIO50_nPIOR,
	GPIO51_nPIOW,
	GPIO52_nPCE_1,
	GPIO53_nPCE_2,
	GPIO54_nPSKTSEL,
	GPIO55_nPREG,
	GPIO56_nPWAIT,
	GPIO57_nIOIS16,

	/* MMC */
	GPIO6_MMC_CLK,
	GPIO8_MMC_CS0,

	/* GPIO */
	GPIO9_GPIO,	/* POODLE_GPIO_nSD_DETECT */
	GPIO7_GPIO,	/* POODLE_GPIO_nSD_WP */
	GPIO3_GPIO,	/* POODLE_GPIO_SD_PWR */
	GPIO33_GPIO,	/* POODLE_GPIO_SD_PWR1 */

	GPIO20_GPIO,	/* POODLE_GPIO_USB_PULLUP */
	GPIO22_GPIO,	/* POODLE_GPIO_IR_ON */
};

static struct resource poodle_scoop_resources[] = {
	[0] = {
		.start		= 0x10800000,
		.end		= 0x10800fff,
		.flags		= IORESOURCE_MEM,
	},
};

static struct scoop_config poodle_scoop_setup = {
	.io_dir		= POODLE_SCOOP_IO_DIR,
	.io_out		= POODLE_SCOOP_IO_OUT,
	.gpio_base	= POODLE_SCOOP_GPIO_BASE,
};

struct platform_device poodle_scoop_device = {
	.name		= "sharp-scoop",
	.id		= -1,
	.dev		= {
		.platform_data	= &poodle_scoop_setup,
	},
	.num_resources	= ARRAY_SIZE(poodle_scoop_resources),
	.resource	= poodle_scoop_resources,
};

static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = {
{
	.dev        = &poodle_scoop_device.dev,
	.irq        = POODLE_IRQ_GPIO_CF_IRQ,
	.cd_irq     = POODLE_IRQ_GPIO_CF_CD,
	.cd_irq_str = "PCMCIA0 CD",
},
};

static struct scoop_pcmcia_config poodle_pcmcia_config = {
	.devs         = &poodle_pcmcia_scoop[0],
	.num_devs     = 1,
};

EXPORT_SYMBOL(poodle_scoop_device);


static struct platform_device poodle_audio_device = {
	.name	= "poodle-audio",
	.id	= -1,
};

/* LoCoMo device */
static struct resource locomo_resources[] = {
	[0] = {
		.start		= 0x10000000,
		.end		= 0x10001fff,
		.flags		= IORESOURCE_MEM,
	},
	[1] = {
		.start		= PXA_GPIO_TO_IRQ(10),
		.end		= PXA_GPIO_TO_IRQ(10),
		.flags		= IORESOURCE_IRQ,
	},
};

static struct locomo_platform_data locomo_info = {
	.irq_base	= IRQ_BOARD_START,
};

struct platform_device poodle_locomo_device = {
	.name		= "locomo",
	.id		= 0,
	.num_resources	= ARRAY_SIZE(locomo_resources),
	.resource	= locomo_resources,
	.dev		= {
		.platform_data	= &locomo_info,
	},
};

EXPORT_SYMBOL(poodle_locomo_device);

#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
static struct pxa2xx_spi_master poodle_spi_info = {
	.num_chipselect	= 1,
};

static struct ads7846_platform_data poodle_ads7846_info = {
	.model			= 7846,
	.vref_delay_usecs	= 100,
	.x_plate_ohms		= 419,
	.y_plate_ohms		= 486,
	.gpio_pendown		= POODLE_GPIO_TP_INT,
};

static struct pxa2xx_spi_chip poodle_ads7846_chip = {
	.gpio_cs		= POODLE_GPIO_TP_CS,
};

static struct spi_board_info poodle_spi_devices[] = {
	{
		.modalias	= "ads7846",
		.max_speed_hz	= 10000,
		.bus_num	= 1,
		.platform_data	= &poodle_ads7846_info,
		.controller_data= &poodle_ads7846_chip,
		.irq		= PXA_GPIO_TO_IRQ(POODLE_GPIO_TP_INT),
	},
};

static void __init poodle_init_spi(void)
{
	pxa2xx_set_spi_info(1, &poodle_spi_info);
	spi_register_board_info(ARRAY_AND_SIZE(poodle_spi_devices));
}
#else
static inline void poodle_init_spi(void) {}
#endif

/*
 * 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 int poodle_mci_init(struct device *dev, irq_handler_t poodle_detect_int, void *data)
{
	int err;

	err = gpio_request(POODLE_GPIO_SD_PWR, "SD_PWR");
	if (err)
		goto err_free_2;

	err = gpio_request(POODLE_GPIO_SD_PWR1, "SD_PWR1");
	if (err)
		goto err_free_3;

	gpio_direction_output(POODLE_GPIO_SD_PWR, 0);
	gpio_direction_output(POODLE_GPIO_SD_PWR1, 0);

	return 0;

err_free_3:
	gpio_free(POODLE_GPIO_SD_PWR);
err_free_2:
	return err;
}

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

	if ((1 << vdd) & p_d->ocr_mask) {
		gpio_set_value(POODLE_GPIO_SD_PWR, 1);
		mdelay(2);
		gpio_set_value(POODLE_GPIO_SD_PWR1, 1);
	} else {
		gpio_set_value(POODLE_GPIO_SD_PWR1, 0);
		gpio_set_value(POODLE_GPIO_SD_PWR, 0);
	}

	return 0;
}

static void poodle_mci_exit(struct device *dev, void *data)
{
	gpio_free(POODLE_GPIO_SD_PWR1);
	gpio_free(POODLE_GPIO_SD_PWR);
}

static struct pxamci_platform_data poodle_mci_platform_data = {
	.detect_delay_ms	= 250,
	.ocr_mask		= MMC_VDD_32_33|MMC_VDD_33_34,
	.init 			= poodle_mci_init,
	.setpower 		= poodle_mci_setpower,
	.exit			= poodle_mci_exit,
};

static struct gpiod_lookup_table poodle_mci_gpio_table = {
	.dev_id = "pxa2xx-mci.0",
	.table = {
		GPIO_LOOKUP("gpio-pxa", POODLE_GPIO_nSD_DETECT,
			    "cd", GPIO_ACTIVE_LOW),
		GPIO_LOOKUP("gpio-pxa", POODLE_GPIO_nSD_WP,
			    "wp", GPIO_ACTIVE_LOW),
		{ },
	},
};

/*
 * Irda
 */
static struct pxaficp_platform_data poodle_ficp_platform_data = {
	.gpio_pwdown		= POODLE_GPIO_IR_ON,
	.transceiver_cap	= IR_SIRMODE | IR_OFF,
};


/*
 * USB Device Controller
 */
static struct pxa2xx_udc_mach_info udc_info __initdata = {
	/* no connect GPIO; poodle can't tell connection status */
	.gpio_pullup	= POODLE_GPIO_USB_PULLUP,
};


/* PXAFB device */
static struct pxafb_mode_info poodle_fb_mode = {
	.pixclock	= 144700,
	.xres		= 320,
	.yres		= 240,
	.bpp		= 16,
	.hsync_len	= 7,
	.left_margin	= 11,
	.right_margin	= 30,
	.vsync_len	= 2,
	.upper_margin	= 2,
	.lower_margin	= 0,
	.sync		= FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
};

static struct pxafb_mach_info poodle_fb_info = {
	.modes		= &poodle_fb_mode,
	.num_modes	= 1,
	.lcd_conn	= LCD_COLOR_TFT_16BPP,
};

static uint8_t scan_ff_pattern[] = { 0xff, 0xff };

static struct nand_bbt_descr sharpsl_bbt = {
	.options = 0,
	.offs = 4,
	.len = 2,
	.pattern = scan_ff_pattern
};

static const char * const probes[] = {
	"cmdlinepart",
	"ofpart",
	"sharpslpart",
	NULL,
};

static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
	.badblock_pattern	= &sharpsl_bbt,
	.part_parsers		= probes,
};

static struct resource sharpsl_nand_resources[] = {
	{
		.start	= 0x0C000000,
		.end	= 0x0C000FFF,
		.flags	= IORESOURCE_MEM,
	},
};

static struct platform_device sharpsl_nand_device = {
	.name		= "sharpsl-nand",
	.id		= -1,
	.resource	= sharpsl_nand_resources,
	.num_resources	= ARRAY_SIZE(sharpsl_nand_resources),
	.dev.platform_data	= &sharpsl_nand_platform_data,
};

static struct mtd_partition sharpsl_rom_parts[] = {
	{
		.name	="Boot PROM Filesystem",
		.offset	= 0x00120000,
		.size	= MTDPART_SIZ_FULL,
	},
};

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

static struct resource sharpsl_rom_resources[] = {
	{
		.start	= 0x00000000,
		.end	= 0x007fffff,
		.flags	= IORESOURCE_MEM,
	},
};

static struct platform_device sharpsl_rom_device = {
	.name	= "physmap-flash",
	.id	= -1,
	.resource = sharpsl_rom_resources,
	.num_resources = ARRAY_SIZE(sharpsl_rom_resources),
	.dev.platform_data = &sharpsl_rom_data,
};

static struct platform_device *devices[] __initdata = {
	&poodle_locomo_device,
	&poodle_scoop_device,
	&poodle_audio_device,
	&sharpsl_nand_device,
	&sharpsl_rom_device,
};

static struct i2c_board_info __initdata poodle_i2c_devices[] = {
	{ I2C_BOARD_INFO("wm8731", 0x1b) },
};

static void poodle_poweroff(void)
{
	pxa_restart(REBOOT_HARD, NULL);
}

static void __init poodle_init(void)
{
	int ret = 0;

	pm_power_off = poodle_poweroff;

	PCFR |= PCFR_OPDE;

	pxa2xx_mfp_config(ARRAY_AND_SIZE(poodle_pin_config));

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

	platform_scoop_config = &poodle_pcmcia_config;

	ret = platform_add_devices(devices, ARRAY_SIZE(devices));
	if (ret)
		pr_warn("poodle: Unable to register LoCoMo device\n");

	pxa_set_fb_info(&poodle_locomo_device.dev, &poodle_fb_info);
	pxa_set_udc_info(&udc_info);
	gpiod_add_lookup_table(&poodle_mci_gpio_table);
	pxa_set_mci_info(&poodle_mci_platform_data);
	pxa_set_ficp_info(&poodle_ficp_platform_data);
	pxa_set_i2c_info(NULL);
	i2c_register_board_info(0, ARRAY_AND_SIZE(poodle_i2c_devices));
	poodle_init_spi();
	regulator_has_full_constraints();
}

static void __init fixup_poodle(struct tag *tags, char **cmdline)
{
	sharpsl_save_param();
	memblock_add(0xa0000000, SZ_32M);
}

MACHINE_START(POODLE, "SHARP Poodle")
	.fixup		= fixup_poodle,
	.map_io		= pxa25x_map_io,
	.nr_irqs	= POODLE_NR_IRQS,	/* 4 for LoCoMo */
	.init_irq	= pxa25x_init_irq,
	.handle_irq	= pxa25x_handle_irq,
	.init_time	= pxa_timer_init,
	.init_machine	= poodle_init,
	.restart	= pxa_restart,
MACHINE_END