summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-pxa/trizeps4.c
blob: f76f8be0955448cef5c13a1650d49c441f11f9fb (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
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
// SPDX-License-Identifier: GPL-2.0-only
/*
 *  linux/arch/arm/mach-pxa/trizeps4.c
 *
 *  Support for the Keith und Koep Trizeps4 Module Platform.
 *
 *  Author:	Jürgen Schindele
 *  Created:	20 02, 2006
 *  Copyright:	Jürgen Schindele
 */

#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/leds.h>
#include <linux/export.h>
#include <linux/sched.h>
#include <linux/bitops.h>
#include <linux/fb.h>
#include <linux/ioport.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/dm9000.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/partitions.h>
#include <linux/regulator/machine.h>
#include <linux/platform_data/i2c-pxa.h>

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

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

#include "pxa27x.h"
#include <mach/trizeps4.h>
#include <mach/audio.h>
#include <linux/platform_data/video-pxafb.h>
#include <linux/platform_data/mmc-pxamci.h>
#include <linux/platform_data/irda-pxaficp.h>
#include <linux/platform_data/usb-ohci-pxa27x.h>
#include <mach/smemc.h>

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

/*	comment out the following line if you want to use the
 *	Standard UART from PXA for serial / irda transmission
 *	and acivate it if you have status leds connected */
#define STATUS_LEDS_ON_STUART_PINS 1

/*****************************************************************************
 * MultiFunctionPins of CPU
 *****************************************************************************/
static unsigned long trizeps4_pin_config[] __initdata = {
	/* Chip Selects */
	GPIO15_nCS_1,		/* DiskOnChip CS */
	GPIO93_GPIO,		/* TRIZEPS4_DOC_IRQ */
	GPIO94_GPIO,		/* DOC lock */

	GPIO78_nCS_2,		/* DM9000 CS */
	GPIO101_GPIO,		/* TRIZEPS4_ETH_IRQ */

	GPIO79_nCS_3,		/* Logic CS */
	GPIO0_GPIO | WAKEUP_ON_EDGE_RISE,	/* Logic irq */

	/* AC97 */
	GPIO28_AC97_BITCLK,
	GPIO29_AC97_SDATA_IN_0,
	GPIO30_AC97_SDATA_OUT,
	GPIO31_AC97_SYNC,

	/* LCD - 16bpp Active TFT */
	GPIOxx_LCD_TFT_16BPP,

	/* UART */
	GPIO9_FFUART_CTS,
	GPIO10_FFUART_DCD,
	GPIO16_FFUART_TXD,
	GPIO33_FFUART_DSR,
	GPIO38_FFUART_RI,
	GPIO82_FFUART_DTR,
	GPIO83_FFUART_RTS,
	GPIO96_FFUART_RXD,

	GPIO42_BTUART_RXD,
	GPIO43_BTUART_TXD,
	GPIO44_BTUART_CTS,
	GPIO45_BTUART_RTS,
#ifdef STATUS_LEDS_ON_STUART_PINS
	GPIO46_GPIO,
	GPIO47_GPIO,
#else
	GPIO46_STUART_RXD,
	GPIO47_STUART_TXD,
#endif
	/* PCMCIA */
	GPIO11_GPIO,			/* TRIZEPS4_CD_IRQ */
	GPIO13_GPIO,			/* TRIZEPS4_READY_NINT */
	GPIO48_nPOE,
	GPIO49_nPWE,
	GPIO50_nPIOR,
	GPIO51_nPIOW,
	GPIO54_nPCE_2,
	GPIO55_nPREG,
	GPIO56_nPWAIT,
	GPIO57_nIOIS16,
	GPIO102_nPCE_1,
	GPIO104_PSKTSEL,

	/* MultiMediaCard */
	GPIO32_MMC_CLK,
	GPIO92_MMC_DAT_0,
	GPIO109_MMC_DAT_1,
	GPIO110_MMC_DAT_2,
	GPIO111_MMC_DAT_3,
	GPIO112_MMC_CMD,
	GPIO12_GPIO,			/* TRIZEPS4_MMC_IRQ */

	/* USB OHCI */
	GPIO88_USBH1_PWR,		/* USBHPWR1 */
	GPIO89_USBH1_PEN,		/* USBHPEN1 */

	/* I2C */
	GPIO117_I2C_SCL,
	GPIO118_I2C_SDA,
};

static unsigned long trizeps4wl_pin_config[] __initdata = {
	/* SSP 2 */
	GPIO14_SSP2_SFRM,
	GPIO19_SSP2_SCLK,
	GPIO53_GPIO,			/* TRIZEPS4_SPI_IRQ */
	GPIO86_SSP2_RXD,
	GPIO87_SSP2_TXD,
};

/****************************************************************************
 * ONBOARD FLASH
 ****************************************************************************/
static struct mtd_partition trizeps4_partitions[] = {
	{
		.name =		"Bootloader",
		.offset =	0x00000000,
		.size =		0x00040000,
		.mask_flags =	MTD_WRITEABLE  /* force read-only */
	}, {
		.name =		"Backup",
		.offset =	0x00040000,
		.size =		0x00040000,
	}, {
		.name =		"Image",
		.offset =	0x00080000,
		.size =		0x01080000,
	}, {
		.name =		"IPSM",
		.offset =	0x01100000,
		.size =		0x00e00000,
	}, {
		.name =		"Registry",
		.offset =	0x01f00000,
		.size =		MTDPART_SIZ_FULL,
	}
};

static struct physmap_flash_data trizeps4_flash_data[] = {
	{
		.width		= 4,			/* bankwidth in bytes */
		.parts		= trizeps4_partitions,
		.nr_parts	= ARRAY_SIZE(trizeps4_partitions)
	}
};

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

static struct platform_device flash_device = {
	.name		= "physmap-flash",
	.id		= 0,
	.dev = {
		.platform_data = trizeps4_flash_data,
	},
	.resource = &flash_resource,
	.num_resources = 1,
};

/****************************************************************************
 * DAVICOM DM9000 Ethernet
 ****************************************************************************/
static struct resource dm9000_resources[] = {
	[0] = {
		.start	= TRIZEPS4_ETH_PHYS+0x300,
		.end	= TRIZEPS4_ETH_PHYS+0x400-1,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= TRIZEPS4_ETH_PHYS+0x8300,
		.end	= TRIZEPS4_ETH_PHYS+0x8400-1,
		.flags	= IORESOURCE_MEM,
	},
	[2] = {
		.start	= TRIZEPS4_ETH_IRQ,
		.end	= TRIZEPS4_ETH_IRQ,
		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
	},
};

static struct dm9000_plat_data tri_dm9000_platdata = {
	.flags		= DM9000_PLATF_32BITONLY,
};

static struct platform_device dm9000_device = {
	.name		= "dm9000",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(dm9000_resources),
	.resource	= dm9000_resources,
	.dev		= {
		.platform_data = &tri_dm9000_platdata,
	}
};

/****************************************************************************
 * LED's on GPIO pins of PXA
 ****************************************************************************/
static struct gpio_led trizeps4_led[] = {
#ifdef STATUS_LEDS_ON_STUART_PINS
	{
		.name = "led0:orange:heartbeat",	/* */
		.default_trigger = "heartbeat",
		.gpio = GPIO_HEARTBEAT_LED,
		.active_low = 1,
	},
	{
		.name = "led1:yellow:cpubusy",		/* */
		.default_trigger = "cpu-busy",
		.gpio = GPIO_SYS_BUSY_LED,
		.active_low = 1,
	},
#endif
};

static struct gpio_led_platform_data trizeps4_led_data = {
	.leds		= trizeps4_led,
	.num_leds	= ARRAY_SIZE(trizeps4_led),
};

static struct platform_device leds_devices = {
	.name		= "leds-gpio",
	.id		= -1,
	.dev		= {
		.platform_data	= &trizeps4_led_data,
	},
};

static struct platform_device *trizeps4_devices[] __initdata = {
	&flash_device,
	&dm9000_device,
	&leds_devices,
};

static struct platform_device *trizeps4wl_devices[] __initdata = {
	&flash_device,
	&leds_devices,
};

static short trizeps_conxs_bcr;

/* PCCARD power switching supports only 3,3V */
void board_pcmcia_power(int power)
{
	if (power) {
		/* switch power on, put in reset and enable buffers */
		trizeps_conxs_bcr |= power;
		trizeps_conxs_bcr |= ConXS_BCR_CF_RESET;
		trizeps_conxs_bcr &= ~ConXS_BCR_CF_BUF_EN;
		BCR_writew(trizeps_conxs_bcr);
		/* wait a little */
		udelay(2000);
		/* take reset away */
		trizeps_conxs_bcr &= ~ConXS_BCR_CF_RESET;
		BCR_writew(trizeps_conxs_bcr);
		udelay(2000);
	} else {
		/* put in reset */
		trizeps_conxs_bcr |= ConXS_BCR_CF_RESET;
		BCR_writew(trizeps_conxs_bcr);
		udelay(1000);
		/* switch power off */
		trizeps_conxs_bcr &= ~0xf;
		BCR_writew(trizeps_conxs_bcr);
	}
	pr_debug("%s: o%s 0x%x\n", __func__, power ? "n" : "ff",
			trizeps_conxs_bcr);
}
EXPORT_SYMBOL(board_pcmcia_power);

/* backlight power switching for LCD panel */
static void board_backlight_power(int on)
{
	if (on)
		trizeps_conxs_bcr |= ConXS_BCR_L_DISP;
	else
		trizeps_conxs_bcr &= ~ConXS_BCR_L_DISP;

	pr_debug("%s: o%s 0x%x\n", __func__, on ? "n" : "ff",
			trizeps_conxs_bcr);
	BCR_writew(trizeps_conxs_bcr);
}

/* a I2C based RTC is known on CONXS board */
static struct i2c_board_info trizeps4_i2c_devices[] __initdata = {
	{ I2C_BOARD_INFO("rtc-pcf8593", 0x51) }
};

/****************************************************************************
 * MMC card slot external to module
 ****************************************************************************/
static int trizeps4_mci_init(struct device *dev, irq_handler_t mci_detect_int,
		void *data)
{
	int err;

	err = request_irq(TRIZEPS4_MMC_IRQ, mci_detect_int,
			  IRQF_TRIGGER_RISING, "MMC card detect", data);
	if (err) {
		printk(KERN_ERR "trizeps4_mci_init: MMC/SD: can't request"
						"MMC card detect IRQ\n");
		return -1;
	}
	return 0;
}

static void trizeps4_mci_exit(struct device *dev, void *data)
{
	free_irq(TRIZEPS4_MMC_IRQ, data);
}

static struct pxamci_platform_data trizeps4_mci_platform_data = {
	.ocr_mask	= MMC_VDD_32_33|MMC_VDD_33_34,
	.detect_delay_ms= 10,
	.init 		= trizeps4_mci_init,
	.exit		= trizeps4_mci_exit,
	.get_ro		= NULL,	/* write-protection not supported */
	.setpower 	= NULL,	/* power-switching not supported */
};

/****************************************************************************
 * IRDA mode switching on stuart
 ****************************************************************************/
#ifndef STATUS_LEDS_ON_STUART_PINS
static short trizeps_conxs_ircr;

static int trizeps4_irda_startup(struct device *dev)
{
	trizeps_conxs_ircr &= ~ConXS_IRCR_SD;
	IRCR_writew(trizeps_conxs_ircr);
	return 0;
}

static void trizeps4_irda_shutdown(struct device *dev)
{
	trizeps_conxs_ircr |= ConXS_IRCR_SD;
	IRCR_writew(trizeps_conxs_ircr);
}

static void trizeps4_irda_transceiver_mode(struct device *dev, int mode)
{
	unsigned long flags;

	local_irq_save(flags);
	/* Switch mode */
	if (mode & IR_SIRMODE)
		trizeps_conxs_ircr &= ~ConXS_IRCR_MODE;	/* Slow mode */
	else if (mode & IR_FIRMODE)
		trizeps_conxs_ircr |= ConXS_IRCR_MODE;	/* Fast mode */

	/* Switch power */
	if (mode & IR_OFF)
		trizeps_conxs_ircr |= ConXS_IRCR_SD;
	else
		trizeps_conxs_ircr &= ~ConXS_IRCR_SD;

	IRCR_writew(trizeps_conxs_ircr);
	local_irq_restore(flags);

	pxa2xx_transceiver_mode(dev, mode);
}

static struct pxaficp_platform_data trizeps4_ficp_platform_data = {
	.gpio_pwdown		= -1,
	.transceiver_cap	= IR_SIRMODE | IR_FIRMODE | IR_OFF,
	.transceiver_mode	= trizeps4_irda_transceiver_mode,
	.startup		= trizeps4_irda_startup,
	.shutdown		= trizeps4_irda_shutdown,
};
#endif

/****************************************************************************
 * OHCI USB port
 ****************************************************************************/
static struct pxaohci_platform_data trizeps4_ohci_platform_data = {
	.port_mode	= PMM_PERPORT_MODE,
	.flags		= ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
};

static struct map_desc trizeps4_io_desc[] __initdata = {
	{ 	/* ConXS CFSR */
		.virtual	= TRIZEPS4_CFSR_VIRT,
		.pfn		= __phys_to_pfn(TRIZEPS4_CFSR_PHYS),
		.length		= 0x00001000,
		.type		= MT_DEVICE
	},
	{	/* ConXS BCR */
		.virtual	= TRIZEPS4_BOCR_VIRT,
		.pfn		= __phys_to_pfn(TRIZEPS4_BOCR_PHYS),
		.length		= 0x00001000,
		.type		= MT_DEVICE
	},
	{ 	/* ConXS IRCR */
		.virtual	= TRIZEPS4_IRCR_VIRT,
		.pfn		= __phys_to_pfn(TRIZEPS4_IRCR_PHYS),
		.length		= 0x00001000,
		.type		= MT_DEVICE
	},
	{	/* ConXS DCR */
		.virtual	= TRIZEPS4_DICR_VIRT,
		.pfn		= __phys_to_pfn(TRIZEPS4_DICR_PHYS),
		.length		= 0x00001000,
		.type		= MT_DEVICE
	},
	{	/* ConXS UPSR */
		.virtual	= TRIZEPS4_UPSR_VIRT,
		.pfn		= __phys_to_pfn(TRIZEPS4_UPSR_PHYS),
		.length		= 0x00001000,
		.type		= MT_DEVICE
	}
};

static struct pxafb_mode_info sharp_lcd_mode = {
	.pixclock	= 78000,
	.xres		= 640,
	.yres		= 480,
	.bpp		= 8,
	.hsync_len	= 4,
	.left_margin	= 4,
	.right_margin	= 4,
	.vsync_len	= 2,
	.upper_margin	= 0,
	.lower_margin	= 0,
	.sync		= FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
	.cmap_greyscale	= 0,
};

static struct pxafb_mach_info sharp_lcd = {
	.modes		= &sharp_lcd_mode,
	.num_modes	= 1,
	.lcd_conn	= LCD_COLOR_DSTN_16BPP | LCD_PCLK_EDGE_FALL,
	.cmap_inverse	= 0,
	.cmap_static	= 0,
	.pxafb_backlight_power = board_backlight_power,
};

static struct pxafb_mode_info toshiba_lcd_mode = {
	.pixclock	= 39720,
	.xres		= 640,
	.yres		= 480,
	.bpp		= 8,
	.hsync_len	= 63,
	.left_margin	= 12,
	.right_margin	= 12,
	.vsync_len	= 4,
	.upper_margin	= 32,
	.lower_margin	= 10,
	.sync		= 0,
	.cmap_greyscale	= 0,
};

static struct pxafb_mach_info toshiba_lcd = {
	.modes		= &toshiba_lcd_mode,
	.num_modes	= 1,
	.lcd_conn	= (LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL),
	.cmap_inverse	= 0,
	.cmap_static	= 0,
	.pxafb_backlight_power = board_backlight_power,
};

static void __init trizeps4_init(void)
{
	pxa2xx_mfp_config(ARRAY_AND_SIZE(trizeps4_pin_config));
	if (machine_is_trizeps4wl()) {
		pxa2xx_mfp_config(ARRAY_AND_SIZE(trizeps4wl_pin_config));
		platform_add_devices(trizeps4wl_devices,
					ARRAY_SIZE(trizeps4wl_devices));
	} else {
		platform_add_devices(trizeps4_devices,
					ARRAY_SIZE(trizeps4_devices));
	}

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

	if (0)	/* dont know how to determine LCD */
		pxa_set_fb_info(NULL, &sharp_lcd);
	else
		pxa_set_fb_info(NULL, &toshiba_lcd);

	pxa_set_mci_info(&trizeps4_mci_platform_data);
#ifndef STATUS_LEDS_ON_STUART_PINS
	pxa_set_ficp_info(&trizeps4_ficp_platform_data);
#endif
	pxa_set_ohci_info(&trizeps4_ohci_platform_data);
	pxa_set_ac97_info(NULL);
	pxa_set_i2c_info(NULL);
	i2c_register_board_info(0, trizeps4_i2c_devices,
					ARRAY_SIZE(trizeps4_i2c_devices));

	/* this is the reset value */
	trizeps_conxs_bcr = 0x00A0;

	BCR_writew(trizeps_conxs_bcr);
	board_backlight_power(1);

	regulator_has_full_constraints();
}

static void __init trizeps4_map_io(void)
{
	pxa27x_map_io();
	iotable_init(trizeps4_io_desc, ARRAY_SIZE(trizeps4_io_desc));

	if ((__raw_readl(MSC0) & 0x8) && (__raw_readl(BOOT_DEF) & 0x1)) {
		/* if flash is 16 bit wide its a Trizeps4 WL */
		__machine_arch_type = MACH_TYPE_TRIZEPS4WL;
		trizeps4_flash_data[0].width = 2;
	} else {
		/* if flash is 32 bit wide its a Trizeps4 */
		__machine_arch_type = MACH_TYPE_TRIZEPS4;
		trizeps4_flash_data[0].width = 4;
	}
}

MACHINE_START(TRIZEPS4, "Keith und Koep Trizeps IV module")
	/* MAINTAINER("Jürgen Schindele") */
	.atag_offset	= 0x100,
	.init_machine	= trizeps4_init,
	.map_io		= trizeps4_map_io,
	.nr_irqs	= PXA_NR_IRQS,
	.init_irq	= pxa27x_init_irq,
	.handle_irq	= pxa27x_handle_irq,
	.init_time	= pxa_timer_init,
	.restart	= pxa_restart,
MACHINE_END

MACHINE_START(TRIZEPS4WL, "Keith und Koep Trizeps IV-WL module")
	/* MAINTAINER("Jürgen Schindele") */
	.atag_offset	= 0x100,
	.init_machine	= trizeps4_init,
	.map_io		= trizeps4_map_io,
	.nr_irqs	= PXA_NR_IRQS,
	.init_irq	= pxa27x_init_irq,
	.handle_irq	= pxa27x_handle_irq,
	.init_time	= pxa_timer_init,
	.restart	= pxa_restart,
MACHINE_END