aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-omap1/board-h3.c
blob: 7b260b7c537bb3040968b46e8284d87bf34ca129 (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
/*
 * linux/arch/arm/mach-omap1/board-h3.c
 *
 * This file contains OMAP1710 H3 specific code.
 *
 * Copyright (C) 2004 Texas Instruments, Inc.
 * Copyright (C) 2002 MontaVista Software, Inc.
 * Copyright (C) 2001 RidgeRun, Inc.
 * Author: RidgeRun, Inc.
 *         Greg Lonnon (glonnon@ridgerun.com) or info@ridgerun.com
 *
 * 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/types.h>
#include <linux/init.h>
#include <linux/major.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/errno.h>
#include <linux/workqueue.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/input.h>

#include <asm/setup.h>
#include <asm/page.h>
#include <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
#include <asm/mach/map.h>

#include <asm/arch/gpio.h>
#include <asm/arch/gpioexpander.h>
#include <asm/arch/irqs.h>
#include <asm/arch/mux.h>
#include <asm/arch/tc.h>
#include <asm/arch/irda.h>
#include <asm/arch/usb.h>
#include <asm/arch/keypad.h>
#include <asm/arch/dma.h>
#include <asm/arch/common.h>

extern int omap_gpio_init(void);

static int h3_keymap[] = {
	KEY(0, 0, KEY_LEFT),
	KEY(0, 1, KEY_RIGHT),
	KEY(0, 2, KEY_3),
	KEY(0, 3, KEY_F10),
	KEY(0, 4, KEY_F5),
	KEY(0, 5, KEY_9),
	KEY(1, 0, KEY_DOWN),
	KEY(1, 1, KEY_UP),
	KEY(1, 2, KEY_2),
	KEY(1, 3, KEY_F9),
	KEY(1, 4, KEY_F7),
	KEY(1, 5, KEY_0),
	KEY(2, 0, KEY_ENTER),
	KEY(2, 1, KEY_6),
	KEY(2, 2, KEY_1),
	KEY(2, 3, KEY_F2),
	KEY(2, 4, KEY_F6),
	KEY(2, 5, KEY_HOME),
	KEY(3, 0, KEY_8),
	KEY(3, 1, KEY_5),
	KEY(3, 2, KEY_F12),
	KEY(3, 3, KEY_F3),
	KEY(3, 4, KEY_F8),
	KEY(3, 5, KEY_END),
	KEY(4, 0, KEY_7),
	KEY(4, 1, KEY_4),
	KEY(4, 2, KEY_F11),
	KEY(4, 3, KEY_F1),
	KEY(4, 4, KEY_F4),
	KEY(4, 5, KEY_ESC),
	KEY(5, 0, KEY_F13),
	KEY(5, 1, KEY_F14),
	KEY(5, 2, KEY_F15),
	KEY(5, 3, KEY_F16),
	KEY(5, 4, KEY_SLEEP),
	0
};


static struct mtd_partition nor_partitions[] = {
	/* bootloader (U-Boot, etc) in first sector */
	{
	      .name		= "bootloader",
	      .offset		= 0,
	      .size		= SZ_128K,
	      .mask_flags	= MTD_WRITEABLE, /* force read-only */
	},
	/* bootloader params in the next sector */
	{
	      .name		= "params",
	      .offset		= MTDPART_OFS_APPEND,
	      .size		= SZ_128K,
	      .mask_flags	= 0,
	},
	/* kernel */
	{
	      .name		= "kernel",
	      .offset		= MTDPART_OFS_APPEND,
	      .size		= SZ_2M,
	      .mask_flags	= 0
	},
	/* file system */
	{
	      .name		= "filesystem",
	      .offset		= MTDPART_OFS_APPEND,
	      .size		= MTDPART_SIZ_FULL,
	      .mask_flags	= 0
	}
};

static struct flash_platform_data nor_data = {
	.map_name	= "cfi_probe",
	.width		= 2,
	.parts		= nor_partitions,
	.nr_parts	= ARRAY_SIZE(nor_partitions),
};

static struct resource nor_resource = {
	/* This is on CS3, wherever it's mapped */
	.flags		= IORESOURCE_MEM,
};

static struct platform_device nor_device = {
	.name		= "omapflash",
	.id		= 0,
	.dev		= {
		.platform_data	= &nor_data,
	},
	.num_resources	= 1,
	.resource	= &nor_resource,
};

static struct mtd_partition nand_partitions[] = {
#if 0
	/* REVISIT: enable these partitions if you make NAND BOOT work */
	{
		.name		= "xloader",
		.offset		= 0,
		.size		= 64 * 1024,
		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
	},
	{
		.name		= "bootloader",
		.offset		= MTDPART_OFS_APPEND,
		.size		= 256 * 1024,
		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
	},
	{
		.name		= "params",
		.offset		= MTDPART_OFS_APPEND,
		.size		= 192 * 1024,
	},
	{
		.name		= "kernel",
		.offset		= MTDPART_OFS_APPEND,
		.size		= 2 * SZ_1M,
	},
#endif
	{
		.name		= "filesystem",
		.size		= MTDPART_SIZ_FULL,
		.offset		= MTDPART_OFS_APPEND,
	},
};

/* dip switches control NAND chip access:  8 bit, 16 bit, or neither */
static struct nand_platform_data nand_data = {
	.options	= NAND_SAMSUNG_LP_OPTIONS,
	.parts		= nand_partitions,
	.nr_parts	= ARRAY_SIZE(nand_partitions),
};

static struct resource nand_resource = {
	.flags		= IORESOURCE_MEM,
};

static struct platform_device nand_device = {
	.name		= "omapnand",
	.id		= 0,
	.dev		= {
		.platform_data	= &nand_data,
	},
	.num_resources	= 1,
	.resource	= &nand_resource,
};

static struct resource smc91x_resources[] = {
	[0] = {
		.start	= OMAP1710_ETHR_START,		/* Physical */
		.end	= OMAP1710_ETHR_START + 0xf,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= OMAP_GPIO_IRQ(40),
		.end	= OMAP_GPIO_IRQ(40),
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device smc91x_device = {
	.name		= "smc91x",
	.id		= 0,
	.num_resources	= ARRAY_SIZE(smc91x_resources),
	.resource	= smc91x_resources,
};

#define GPTIMER_BASE		0xFFFB1400
#define GPTIMER_REGS(x)	(0xFFFB1400 + (x * 0x800))
#define GPTIMER_REGS_SIZE	0x46

static struct resource intlat_resources[] = {
	[0] = {
		.start  = GPTIMER_REGS(0),	      /* Physical */
		.end    = GPTIMER_REGS(0) + GPTIMER_REGS_SIZE,
		.flags  = IORESOURCE_MEM,
	},
	[1] = {
		.start  = INT_1610_GPTIMER1,
		.end    = INT_1610_GPTIMER1,
		.flags  = IORESOURCE_IRQ,
	},
};

static struct platform_device intlat_device = {
	.name	   = "omap_intlat",
	.id	     = 0,
	.num_resources  = ARRAY_SIZE(intlat_resources),
	.resource       = intlat_resources,
};

static struct resource h3_kp_resources[] = {
	[0] = {
		.start	= INT_KEYBOARD,
		.end	= INT_KEYBOARD,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct omap_kp_platform_data h3_kp_data = {
	.rows		= 8,
	.cols		= 8,
	.keymap		= h3_keymap,
	.keymapsize	= ARRAY_SIZE(h3_keymap),
	.rep		= 1,
	.delay		= 9,
	.dbounce	= 1,
};

static struct platform_device h3_kp_device = {
	.name		= "omap-keypad",
	.id		= -1,
	.dev		= {
		.platform_data = &h3_kp_data,
	},
	.num_resources	= ARRAY_SIZE(h3_kp_resources),
	.resource	= h3_kp_resources,
};


/* Select between the IrDA and aGPS module
 */
static int h3_select_irda(struct device *dev, int state)
{
	unsigned char expa;
	int err = 0;

	if ((err = read_gpio_expa(&expa, 0x26))) {
		printk(KERN_ERR "Error reading from I/O EXPANDER \n");
		return err;
	}

	/* 'P6' enable/disable IRDA_TX and IRDA_RX */
	if (state & IR_SEL) { /* IrDA */
		if ((err = write_gpio_expa(expa | 0x40, 0x26))) {
			printk(KERN_ERR "Error writing to I/O EXPANDER \n");
			return err;
		}
	} else {
		if ((err = write_gpio_expa(expa & ~0x40, 0x26))) {
			printk(KERN_ERR "Error writing to I/O EXPANDER \n");
			return err;
		}
	}
	return err;
}

static void set_trans_mode(void *data)
{
	int *mode = data;
	unsigned char expa;
	int err = 0;

	if ((err = read_gpio_expa(&expa, 0x27)) != 0) {
		printk(KERN_ERR "Error reading from I/O expander\n");
	}

	expa &= ~0x03;

	if (*mode & IR_SIRMODE) {
		expa |= 0x01;
	} else { /* MIR/FIR */
		expa |= 0x03;
	}

	if ((err = write_gpio_expa(expa, 0x27)) != 0) {
		printk(KERN_ERR "Error writing to I/O expander\n");
	}
}

static int h3_transceiver_mode(struct device *dev, int mode)
{
	struct omap_irda_config *irda_config = dev->platform_data;

	cancel_delayed_work(&irda_config->gpio_expa);
	PREPARE_WORK(&irda_config->gpio_expa, set_trans_mode, &mode);
#error this is not permitted - mode is an argument variable
	schedule_delayed_work(&irda_config->gpio_expa, 0);

	return 0;
}

static struct omap_irda_config h3_irda_data = {
	.transceiver_cap	= IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
	.transceiver_mode	= h3_transceiver_mode,
	.select_irda	 	= h3_select_irda,
	.rx_channel		= OMAP_DMA_UART3_RX,
	.tx_channel		= OMAP_DMA_UART3_TX,
	.dest_start		= UART3_THR,
	.src_start		= UART3_RHR,
	.tx_trigger		= 0,
	.rx_trigger		= 0,
};

static struct resource h3_irda_resources[] = {
	[0] = {
		.start	= INT_UART3,
		.end	= INT_UART3,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device h3_irda_device = {
	.name		= "omapirda",
	.id		= 0,
	.dev		= {
		.platform_data	= &h3_irda_data,
	},
	.num_resources	= ARRAY_SIZE(h3_irda_resources),
	.resource	= h3_irda_resources,
};

static struct platform_device h3_lcd_device = {
	.name		= "lcd_h3",
	.id		= -1,
};

static struct platform_device *devices[] __initdata = {
	&nor_device,
	&nand_device,
        &smc91x_device,
	&intlat_device,
	&h3_irda_device,
	&h3_kp_device,
	&h3_lcd_device,
};

static struct omap_usb_config h3_usb_config __initdata = {
	/* usb1 has a Mini-AB port and external isp1301 transceiver */
	.otg	    = 2,

#ifdef CONFIG_USB_GADGET_OMAP
	.hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
#elif  defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
	/* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
	.hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
#endif

	.pins[1]	= 3,
};

static struct omap_mmc_config h3_mmc_config __initdata = {
	.mmc[0] = {
		.enabled 	= 1,
		.power_pin	= -1,   /* tps65010 GPIO4 */
		.switch_pin	= OMAP_MPUIO(1),
	},
};

static struct omap_uart_config h3_uart_config __initdata = {
	.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
};

static struct omap_lcd_config h3_lcd_config __initdata = {
	.ctrl_name	= "internal",
};

static struct omap_board_config_kernel h3_config[] = {
	{ OMAP_TAG_USB,		&h3_usb_config },
	{ OMAP_TAG_MMC,		&h3_mmc_config },
	{ OMAP_TAG_UART,	&h3_uart_config },
	{ OMAP_TAG_LCD,		&h3_lcd_config },
};

#define H3_NAND_RB_GPIO_PIN	10

static int nand_dev_ready(struct nand_platform_data *data)
{
	return omap_get_gpio_datain(H3_NAND_RB_GPIO_PIN);
}

static void __init h3_init(void)
{
	/* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
	 * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
	 * notice whether a NAND chip is enabled at probe time.
	 *
	 * H3 support NAND-boot, with a dip switch to put NOR on CS2B and NAND
	 * (which on H2 may be 16bit) on CS3.  Try detecting that in code here,
	 * to avoid probing every possible flash configuration...
	 */
	nor_resource.end = nor_resource.start = omap_cs3_phys();
	nor_resource.end += SZ_32M - 1;

	nand_resource.end = nand_resource.start = OMAP_CS2B_PHYS;
	nand_resource.end += SZ_4K - 1;
	if (!(omap_request_gpio(H3_NAND_RB_GPIO_PIN)))
		nand_data.dev_ready = nand_dev_ready;

	/* GPIO10 Func_MUX_CTRL reg bit 29:27, Configure V2 to mode1 as GPIO */
	/* GPIO10 pullup/down register, Enable pullup on GPIO10 */
	omap_cfg_reg(V2_1710_GPIO10);

	platform_add_devices(devices, ARRAY_SIZE(devices));
	omap_board_config = h3_config;
	omap_board_config_size = ARRAY_SIZE(h3_config);
	omap_serial_init();
}

static void __init h3_init_smc91x(void)
{
	omap_cfg_reg(W15_1710_GPIO40);
	if (omap_request_gpio(40) < 0) {
		printk("Error requesting gpio 40 for smc91x irq\n");
		return;
	}
}

static void __init h3_init_irq(void)
{
	omap1_init_common_hw();
	omap_init_irq();
	omap_gpio_init();
	h3_init_smc91x();
}

static void __init h3_map_io(void)
{
	omap1_map_common_io();
}

MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
	/* Maintainer: Texas Instruments, Inc. */
	.phys_io	= 0xfff00000,
	.io_pg_offst	= ((0xfef00000) >> 18) & 0xfffc,
	.boot_params	= 0x10000100,
	.map_io		= h3_map_io,
	.init_irq	= h3_init_irq,
	.init_machine	= h3_init,
	.timer		= &omap_timer,
MACHINE_END