aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-omap1/board-h2.c
blob: b0921622566f34c1745cd9f28bff45f81f334780 (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
/*
 * linux/arch/arm/mach-omap1/board-h2.c
 *
 * Board specific inits for OMAP-1610 H2
 *
 * Copyright (C) 2001 RidgeRun, Inc.
 * Author: Greg Lonnon <glonnon@ridgerun.com>
 *
 * Copyright (C) 2002 MontaVista Software, Inc.
 *
 * Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6
 * Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com>
 *
 * H2 specific changes and cleanup
 * Copyright (C) 2004 Nokia Corporation by Imre Deak <imre.deak@nokia.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/kernel.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/input.h>

#include <asm/hardware.h>
#include <asm/gpio.h>

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

#include <asm/arch/tps65010.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/common.h>
#include <asm/arch/mcbsp.h>
#include <asm/arch/omap-alsa.h>

extern int omap_gpio_init(void);

static int h2_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 h2_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 h2_nor_data = {
	.map_name	= "cfi_probe",
	.width		= 2,
	.parts		= h2_nor_partitions,
	.nr_parts	= ARRAY_SIZE(h2_nor_partitions),
};

static struct resource h2_nor_resource = {
	/* This is on CS3, wherever it's mapped */
	.flags		= IORESOURCE_MEM,
};

static struct platform_device h2_nor_device = {
	.name		= "omapflash",
	.id		= 0,
	.dev		= {
		.platform_data	= &h2_nor_data,
	},
	.num_resources	= 1,
	.resource	= &h2_nor_resource,
};

#if 0	/* REVISIT: Enable when nand_platform_data is applied */

static struct mtd_partition h2_nand_partitions[] = {
#if 0
	/* REVISIT:  enable these partitions if you make NAND BOOT
	 * work on your H2 (rev C or newer); published versions of
	 * x-load only support P2 and H3.
	 */
	{
		.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 h2_nand_data = {
	.options	= NAND_SAMSUNG_LP_OPTIONS,
	.parts		= h2_nand_partitions,
	.nr_parts	= ARRAY_SIZE(h2_nand_partitions),
};

static struct resource h2_nand_resource = {
	.flags		= IORESOURCE_MEM,
};

static struct platform_device h2_nand_device = {
	.name		= "omapnand",
	.id		= 0,
	.dev		= {
		.platform_data	= &h2_nand_data,
	},
	.num_resources	= 1,
	.resource	= &h2_nand_resource,
};
#endif

static struct resource h2_smc91x_resources[] = {
	[0] = {
		.start	= OMAP1610_ETHR_START,		/* Physical */
		.end	= OMAP1610_ETHR_START + 0xf,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= OMAP_GPIO_IRQ(0),
		.end	= OMAP_GPIO_IRQ(0),
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device h2_smc91x_device = {
	.name		= "smc91x",
	.id		= 0,
	.num_resources	= ARRAY_SIZE(h2_smc91x_resources),
	.resource	= h2_smc91x_resources,
};

static struct resource h2_kp_resources[] = {
	[0] = {
		.start	= INT_KEYBOARD,
		.end	= INT_KEYBOARD,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct omap_kp_platform_data h2_kp_data = {
	.rows		= 8,
	.cols		= 8,
	.keymap		= h2_keymap,
	.keymapsize	= ARRAY_SIZE(h2_keymap),
	.rep		= 1,
	.delay		= 9,
	.dbounce	= 1,
};

static struct platform_device h2_kp_device = {
	.name		= "omap-keypad",
	.id		= -1,
	.dev		= {
		.platform_data = &h2_kp_data,
	},
	.num_resources	= ARRAY_SIZE(h2_kp_resources),
	.resource	= h2_kp_resources,
};

#define H2_IRDA_FIRSEL_GPIO_PIN	17

#if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
static int h2_transceiver_mode(struct device *dev, int state)
{
	if (state & IR_SIRMODE)
		omap_set_gpio_dataout(H2_IRDA_FIRSEL_GPIO_PIN, 0);
	else    /* MIR/FIR */
		omap_set_gpio_dataout(H2_IRDA_FIRSEL_GPIO_PIN, 1);

	return 0;
}
#endif

static struct omap_irda_config h2_irda_data = {
	.transceiver_cap	= IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
	.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 h2_irda_resources[] = {
	[0] = {
		.start	= INT_UART3,
		.end	= INT_UART3,
		.flags	= IORESOURCE_IRQ,
	},
};

static u64 irda_dmamask = 0xffffffff;

static struct platform_device h2_irda_device = {
	.name		= "omapirda",
	.id		= 0,
	.dev		= {
		.platform_data	= &h2_irda_data,
		.dma_mask	= &irda_dmamask,
	},
	.num_resources	= ARRAY_SIZE(h2_irda_resources),
	.resource	= h2_irda_resources,
};

static struct platform_device h2_lcd_device = {
	.name		= "lcd_h2",
	.id		= -1,
};

static struct omap_mcbsp_reg_cfg mcbsp_regs = {
	.spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
	.spcr1 = RINTM(3) | RRST,
	.rcr2  = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
                RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(1),
	.rcr1  = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
	.xcr2  = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
                XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(1) | XFIG,
	.xcr1  = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
	.srgr1 = FWID(15),
	.srgr2 = GSYNC | CLKSP | FSGM | FPER(31),

	.pcr0  = CLKXM | CLKRM | FSXP | FSRP | CLKXP | CLKRP,
	//.pcr0 = CLKXP | CLKRP,        /* mcbsp: slave */
};

static struct omap_alsa_codec_config alsa_config = {
	.name                   = "H2 TSC2101",
	.mcbsp_regs_alsa        = &mcbsp_regs,
	.codec_configure_dev    = NULL, // tsc2101_configure,
	.codec_set_samplerate   = NULL, // tsc2101_set_samplerate,
	.codec_clock_setup      = NULL, // tsc2101_clock_setup,
	.codec_clock_on         = NULL, // tsc2101_clock_on,
	.codec_clock_off        = NULL, // tsc2101_clock_off,
	.get_default_samplerate = NULL, // tsc2101_get_default_samplerate,
};

static struct platform_device h2_mcbsp1_device = {
	.name	= "omap_alsa_mcbsp",
	.id	= 1,
	.dev = {
		.platform_data	= &alsa_config,
	},
};

static struct platform_device *h2_devices[] __initdata = {
	&h2_nor_device,
	//&h2_nand_device,
	&h2_smc91x_device,
	&h2_irda_device,
	&h2_kp_device,
	&h2_lcd_device,
	&h2_mcbsp1_device,
};

static struct i2c_board_info __initdata h2_i2c_board_info[] = {
	{
		I2C_BOARD_INFO("tps65010", 0x48),
		.type		= "tps65010",
		.irq		= OMAP_GPIO_IRQ(58),
	},
	/* TODO when driver support is ready:
	 *  - isp1301 OTG transceiver
	 *  - optional ov9640 camera sensor at 0x30
	 *  - pcf9754 for aGPS control
	 *  - ... etc
	 */
};

static void __init h2_init_smc91x(void)
{
	if ((omap_request_gpio(0)) < 0) {
		printk("Error requesting gpio 0 for smc91x irq\n");
		return;
	}
}

static void __init h2_init_irq(void)
{
	omap1_init_common_hw();
	omap_init_irq();
	omap_gpio_init();
	h2_init_smc91x();
}

static struct omap_usb_config h2_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
	// .hmc_mode	= 21,	// 0:host(off) 1:dev(loopback) 2:host(loopback)
#elif	defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
	/* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
	.hmc_mode	= 20,	// 1:dev|otg(off) 1:host 2:disabled
#endif

	.pins[1]	= 3,
};

static struct omap_mmc_config h2_mmc_config __initdata = {
	.mmc [0] = {
		.enabled 	= 1,
		.wire4		= 1,
		.wp_pin		= OMAP_MPUIO(3),
		.power_pin	= -1,	/* tps65010 gpio3 */
		.switch_pin	= OMAP_MPUIO(1),
	},
};

static struct omap_uart_config h2_uart_config __initdata = {
	.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
};

static struct omap_lcd_config h2_lcd_config __initdata = {
	.ctrl_name	= "internal",
};

static struct omap_board_config_kernel h2_config[] __initdata = {
	{ OMAP_TAG_USB,           &h2_usb_config },
	{ OMAP_TAG_MMC,           &h2_mmc_config },
	{ OMAP_TAG_UART,	&h2_uart_config },
	{ OMAP_TAG_LCD,		&h2_lcd_config },
};

#define H2_NAND_RB_GPIO_PIN	62

static int h2_nand_dev_ready(struct nand_platform_data *data)
{
	return omap_get_gpio_datain(H2_NAND_RB_GPIO_PIN);
}

static void __init h2_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.
	 *
	 * FIXME revC boards (and 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...
	 */
	h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
	h2_nor_resource.end += SZ_32M - 1;

#if 0	/* REVISIT: Enable when nand_platform_data is applied */
	h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
	h2_nand_resource.end += SZ_4K - 1;
	if (!(omap_request_gpio(H2_NAND_RB_GPIO_PIN)))
		h2_nand_data.dev_ready = h2_nand_dev_ready;
#endif

	omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
	omap_cfg_reg(M8_1610_FLASH_CS2B_WE);

	/* MMC:  card detect and WP */
	// omap_cfg_reg(U19_ARMIO1);		/* CD */
	omap_cfg_reg(BALLOUT_V8_ARMIO3);	/* WP */

	/* Irda */
#if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
	omap_writel(omap_readl(FUNC_MUX_CTRL_A) | 7, FUNC_MUX_CTRL_A);
	if (!(omap_request_gpio(H2_IRDA_FIRSEL_GPIO_PIN))) {
		omap_set_gpio_direction(H2_IRDA_FIRSEL_GPIO_PIN, 0);
		h2_irda_data.transceiver_mode = h2_transceiver_mode;
	}
#endif

	platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
	omap_board_config = h2_config;
	omap_board_config_size = ARRAY_SIZE(h2_config);
	omap_serial_init();

	/* irq for tps65010 chip */
	omap_cfg_reg(W4_GPIO58);
	if (gpio_request(58, "tps65010") == 0)
		gpio_direction_input(58);

	i2c_register_board_info(1, h2_i2c_board_info,
			ARRAY_SIZE(h2_i2c_board_info));
}

static void __init h2_map_io(void)
{
	omap1_map_common_io();
}

#ifdef CONFIG_TPS65010
static int __init h2_tps_init(void)
{
	if (!machine_is_omap_h2())
		return 0;

	/* gpio3 for SD, gpio4 for VDD_DSP */
	/* FIXME send power to DSP iff it's configured */

	/* Enable LOW_PWR */
	tps65010_set_low_pwr(ON);
	return 0;
}
fs_initcall(h2_tps_init);
#endif

MACHINE_START(OMAP_H2, "TI-H2")
	/* Maintainer: Imre Deak <imre.deak@nokia.com> */
	.phys_io	= 0xfff00000,
	.io_pg_offst	= ((0xfef00000) >> 18) & 0xfffc,
	.boot_params	= 0x10000100,
	.map_io		= h2_map_io,
	.init_irq	= h2_init_irq,
	.init_machine	= h2_init,
	.timer		= &omap_timer,
MACHINE_END