summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-pxa/trizeps4.c
blob: e4ba43bdf85d9756123e13bd105b1024ef42a240 (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
/*
 *  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
 *
 *  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/kernel.h>
#include <linux/platform_device.h>
#include <linux/sysdev.h>
#include <linux/interrupt.h>
#include <linux/sched.h>
#include <linux/bitops.h>
#include <linux/fb.h>
#include <linux/ioport.h>
#include <linux/delay.h>
#include <linux/serial_8250.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/partitions.h>

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

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

#include <asm/arch/pxa-regs.h>
#include <asm/arch/trizeps4.h>
#include <asm/arch/audio.h>
#include <asm/arch/pxafb.h>
#include <asm/arch/mmc.h>
#include <asm/arch/irda.h>
#include <asm/arch/ohci.h>

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

/********************************************************************************************
 * 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 | IRQT_RISING),
	},
};

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

/********************************************************************************************
 * PXA270 serial ports
 ********************************************************************************************/
static struct plat_serial8250_port tri_serial_ports[] = {
#ifdef CONFIG_SERIAL_PXA
	/* this uses the own PXA driver */
	{
		0,
	},
#else
	/* this uses the generic 8520 driver */
	[0] = {
		.membase	= (void *)&FFUART,
		.irq		= IRQ_FFUART,
		.flags		= UPF_BOOT_AUTOCONF,
		.iotype		= UPIO_MEM32,
		.regshift	= 2,
		.uartclk	= (921600*16),
	},
	[1] = {
		.membase	= (void *)&BTUART,
		.irq		= IRQ_BTUART,
		.flags		= UPF_BOOT_AUTOCONF,
		.iotype		= UPIO_MEM32,
		.regshift	= 2,
		.uartclk	= (921600*16),
	},
	{
		0,
	},
#endif
};

static struct platform_device uart_devices = {
	.name		= "serial8250",
	.id		= 0,
	.dev		= {
		.platform_data	= tri_serial_ports,
	},
	.num_resources	= 0,
	.resource	= NULL,
};

/********************************************************************************************
 * PXA270 ac97 sound codec
 ********************************************************************************************/
static struct platform_device ac97_audio_device = {
	.name		= "pxa2xx-ac97",
	.id		= -1,
};

static struct platform_device * trizeps4_devices[] __initdata = {
	&flash_device,
	&uart_devices,
	&dm9000_device,
	&ac97_audio_device,
};

#ifdef CONFIG_MACH_TRIZEPS4_CONXS
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);
		ConXS_BCR = trizeps_conxs_bcr;
		/* wait a little */
		udelay(2000);
		/* take reset away */
		trizeps_conxs_bcr &= ~(ConXS_BCR_CF_RESET);
		ConXS_BCR = trizeps_conxs_bcr;
		udelay(2000);
	} else {
		/* put in reset */
		trizeps_conxs_bcr |= ConXS_BCR_CF_RESET;
		ConXS_BCR = trizeps_conxs_bcr;
		udelay(1000);
		/* switch power off */
		trizeps_conxs_bcr &= ~(0xf);
		ConXS_BCR = trizeps_conxs_bcr;

	}
	pr_debug("%s: o%s 0x%x\n", __FUNCTION__, power ? "n": "ff", trizeps_conxs_bcr);
}

/* 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", __FUNCTION__, on ? "n" : "ff", trizeps_conxs_bcr);
	ConXS_BCR = trizeps_conxs_bcr;
}

/* Powersupply for MMC/SD cardslot */
static void board_mci_power(struct device *dev, unsigned int vdd)
{
	struct pxamci_platform_data* p_d = dev->platform_data;

	if (( 1 << vdd) & p_d->ocr_mask) {
		pr_debug("%s: on\n", __FUNCTION__);
		/* FIXME fill in values here */
	} else {
		pr_debug("%s: off\n", __FUNCTION__);
		/* FIXME fill in values here */
	}
}

static short trizeps_conxs_ircr;

/* Switch modes and Power for IRDA receiver */
static void board_irda_mode(struct device *dev, int mode)
{
	unsigned long flags;

	local_irq_save(flags);
	if (mode & IR_SIRMODE) {
		/* Slow mode */
		trizeps_conxs_ircr &= ~ConXS_IRCR_MODE;
	} else if (mode & IR_FIRMODE) {
		/* Fast mode */
		trizeps_conxs_ircr |= ConXS_IRCR_MODE;
	}
	if (mode & IR_OFF) {
		trizeps_conxs_ircr |= ConXS_IRCR_SD;
	} else {
		trizeps_conxs_ircr &= ~ConXS_IRCR_SD;
	}
	/* FIXME write values to register */
	local_irq_restore(flags);
}

#else
/* for other baseboards define dummies */
void board_pcmcia_power(int power)	{;}
#define board_backlight_power		NULL
#define board_mci_power			NULL
#define board_irda_mode			NULL

#endif		/* CONFIG_MACH_TRIZEPS4_CONXS */
EXPORT_SYMBOL(board_pcmcia_power);

static int trizeps4_mci_init(struct device *dev, irq_handler_t mci_detect_int, 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(GPIO_MMC_DET | GPIO_IN);

	err = request_irq(TRIZEPS4_MMC_IRQ, mci_detect_int,
			  IRQF_DISABLED | 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,
	.init 		= trizeps4_mci_init,
	.exit		= trizeps4_mci_exit,
	.setpower 	= board_mci_power,
};

static struct pxaficp_platform_data trizeps4_ficp_platform_data = {
	.transceiver_cap  = IR_SIRMODE | IR_FIRMODE | IR_OFF,
	.transceiver_mode = board_irda_mode,
};

static int trizeps4_ohci_init(struct device *dev)
{
	/* setup Port1 GPIO pin. */
	pxa_gpio_mode( 88 | GPIO_ALT_FN_1_IN);	/* USBHPWR1 */
	pxa_gpio_mode( 89 | GPIO_ALT_FN_2_OUT);	/* USBHPEN1 */

	/* Set the Power Control Polarity Low and Power Sense
	   Polarity Low to active low. */
	UHCHR = (UHCHR | UHCHR_PCPL | UHCHR_PSPL) &
		~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE);

	return 0;
}

static void trizeps4_ohci_exit(struct device *dev)
{
	;
}

static struct pxaohci_platform_data trizeps4_ohci_platform_data = {
	.port_mode	= PMM_PERPORT_MODE,
	.init		= trizeps4_ohci_init,
	.exit		= trizeps4_ohci_exit,
};

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,
    .cmap_inverse	= 0,
    .cmap_static	= 0,
    .lccr0		= LCCR0_Color | LCCR0_Pas | LCCR0_Dual,
    .lccr3		= 0x0340ff02,
    .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,
    .cmap_inverse	= 0,
    .cmap_static	= 0,
    .lccr0		= LCCR0_Color | LCCR0_Act,
    .lccr3		= 0x03400002,
    .pxafb_backlight_power = board_backlight_power,
};

static void __init trizeps4_init(void)
{
	platform_add_devices(trizeps4_devices, ARRAY_SIZE(trizeps4_devices));

/*	set_pxa_fb_info(&sharp_lcd); */
	set_pxa_fb_info(&toshiba_lcd);

	pxa_set_mci_info(&trizeps4_mci_platform_data);
	pxa_set_ficp_info(&trizeps4_ficp_platform_data);
	pxa_set_ohci_info(&trizeps4_ohci_platform_data);
}

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

	/* for DiskOnChip */
	pxa_gpio_mode(GPIO15_nCS_1_MD);

	/* for off-module PIC on ConXS board */
	pxa_gpio_mode(GPIO_PIC | GPIO_IN);

	/* UCB1400 irq */
	pxa_gpio_mode(GPIO_UCB1400 | GPIO_IN);

	/* for DM9000 LAN */
	pxa_gpio_mode(GPIO78_nCS_2_MD);
	pxa_gpio_mode(GPIO_DM9000 | GPIO_IN);

	/* for PCMCIA device */
	pxa_gpio_mode(GPIO_PCD | GPIO_IN);
	pxa_gpio_mode(GPIO_PRDY | GPIO_IN);

	/* for I2C adapter */
	pxa_gpio_mode(GPIO117_I2CSCL_MD);
	pxa_gpio_mode(GPIO118_I2CSDA_MD);

	/* MMC_DET s.o. */
	pxa_gpio_mode(GPIO_MMC_DET | GPIO_IN);

	/* whats that for ??? */
	pxa_gpio_mode(GPIO79_nCS_3_MD);

#ifdef CONFIG_LEDS
	pxa_gpio_mode( GPIO_SYS_BUSY_LED  | GPIO_OUT);		/* LED1 */
	pxa_gpio_mode( GPIO_HEARTBEAT_LED | GPIO_OUT);		/* LED2 */
#endif
#ifdef CONFIG_MACH_TRIZEPS4_CONXS
#ifdef CONFIG_IDE_PXA_CF
	/* if boot direct from compact flash dont disable power */
	trizeps_conxs_bcr = 0x0009;
#else
	/* this is the reset value */
	trizeps_conxs_bcr = 0x00A0;
#endif
	ConXS_BCR = trizeps_conxs_bcr;
#endif

	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;
}

MACHINE_START(TRIZEPS4, "Keith und Koep Trizeps IV module")
	/* MAINTAINER("Jürgen Schindele") */
	.phys_io	= 0x40000000,
	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
	.boot_params	= TRIZEPS4_SDRAM_BASE + 0x100,
	.init_machine	= trizeps4_init,
	.map_io		= trizeps4_map_io,
	.init_irq	= pxa27x_init_irq,
	.timer		= &pxa_timer,
MACHINE_END