aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-omap1/board-osk.c
blob: 5db182da322be75f76ae208bc99f11a277d851ee (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
/*
 * linux/arch/arm/mach-omap1/board-osk.c
 *
 * Board specific init for OMAP5912 OSK
 *
 * Written by Dirk Behme <dirk.behme@de.bosch.com>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * You should have received a copy of the  GNU General Public License along
 * with this program; if not, write  to the Free Software Foundation, Inc.,
 * 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
#include <linux/i2c.h>

#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>

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

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

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

static struct mtd_partition osk_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,
	}, {
	      .name		= "kernel",
	      .offset		= MTDPART_OFS_APPEND,
	      .size		= SZ_2M,
	      .mask_flags	= 0
	}, {
	      .name		= "filesystem",
	      .offset		= MTDPART_OFS_APPEND,
	      .size		= MTDPART_SIZ_FULL,
	      .mask_flags	= 0
	}
};

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

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

static struct platform_device osk5912_flash_device = {
	.name		= "omapflash",
	.id		= 0,
	.dev		= {
		.platform_data	= &osk_flash_data,
	},
	.num_resources	= 1,
	.resource	= &osk_flash_resource,
};

static struct resource osk5912_smc91x_resources[] = {
	[0] = {
		.start	= OMAP_OSK_ETHR_START,		/* Physical */
		.end	= OMAP_OSK_ETHR_START + 0xf,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= OMAP_GPIO_IRQ(0),
		.end	= OMAP_GPIO_IRQ(0),
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device osk5912_smc91x_device = {
	.name		= "smc91x",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(osk5912_smc91x_resources),
	.resource	= osk5912_smc91x_resources,
};

static struct resource osk5912_cf_resources[] = {
	[0] = {
		.start	= OMAP_GPIO_IRQ(62),
		.end	= OMAP_GPIO_IRQ(62),
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device osk5912_cf_device = {
	.name		= "omap_cf",
	.id		= -1,
	.dev = {
		.platform_data	= (void *) 2 /* CS2 */,
	},
	.num_resources	= ARRAY_SIZE(osk5912_cf_resources),
	.resource	= osk5912_cf_resources,
};

#define DEFAULT_BITPERSAMPLE 16

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(0),
	.rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
	.xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
	    XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(0) | XFIG,
	.xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
	.srgr1 = FWID(DEFAULT_BITPERSAMPLE - 1),
	.srgr2 = GSYNC | CLKSP | FSGM | FPER(DEFAULT_BITPERSAMPLE * 2 - 1),
	/*.pcr0 = FSXM | FSRM | CLKXM | CLKRM | CLKXP | CLKRP,*/ /* mcbsp: master */
	.pcr0 = CLKXP | CLKRP,  /* mcbsp: slave */
};

static struct omap_alsa_codec_config alsa_config = {
	.name			= "OSK AIC23",
	.mcbsp_regs_alsa	= &mcbsp_regs,
	.codec_configure_dev	= NULL, // aic23_configure,
	.codec_set_samplerate	= NULL, // aic23_set_samplerate,
	.codec_clock_setup	= NULL, // aic23_clock_setup,
	.codec_clock_on		= NULL, // aic23_clock_on,
	.codec_clock_off	= NULL, // aic23_clock_off,
	.get_default_samplerate	= NULL, // aic23_get_default_samplerate,
};

static struct platform_device osk5912_mcbsp1_device = {
	.name	= "omap_alsa_mcbsp",
	.id	= 1,
	.dev = {
		.platform_data	= &alsa_config,
	},
};

static struct platform_device *osk5912_devices[] __initdata = {
	&osk5912_flash_device,
	&osk5912_smc91x_device,
	&osk5912_cf_device,
	&osk5912_mcbsp1_device,
};

static struct i2c_board_info __initdata osk_i2c_board_info[] = {
	{
		I2C_BOARD_INFO("tps65010", 0x48),
		.type		= "tps65010",
		.irq		= OMAP_GPIO_IRQ(OMAP_MPUIO(1)),
	},
	/* TODO when driver support is ready:
	 *  - aic23 audio chip at 0x1a
	 *  - on Mistral, 24c04 eeprom at 0x50
	 *  - optionally on Mistral, ov9640 camera sensor at 0x30
	 */
};

static void __init osk_init_smc91x(void)
{
	if ((omap_request_gpio(0)) < 0) {
		printk("Error requesting gpio 0 for smc91x irq\n");
		return;
	}

	/* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */
	EMIFS_CCS(1) |= 0x3;
}

static void __init osk_init_cf(void)
{
	omap_cfg_reg(M7_1610_GPIO62);
	if ((omap_request_gpio(62)) < 0) {
		printk("Error requesting gpio 62 for CF irq\n");
		return;
	}
	/* the CF I/O IRQ is really active-low */
	set_irq_type(OMAP_GPIO_IRQ(62), IRQT_FALLING);
}

static void __init osk_init_irq(void)
{
	omap1_init_common_hw();
	omap_init_irq();
	omap_gpio_init();
	osk_init_smc91x();
	osk_init_cf();
}

static struct omap_usb_config osk_usb_config __initdata = {
	/* has usb host connector (A) ... for development it can also
	 * be used, with a NONSTANDARD gender-bending cable/dongle, as
	 * a peripheral.
	 */
#ifdef	CONFIG_USB_GADGET_OMAP
	.register_dev	= 1,
	.hmc_mode	= 0,
#else
	.register_host	= 1,
	.hmc_mode	= 16,
	.rwc		= 1,
#endif
	.pins[0]	= 2,
};

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

#ifdef	CONFIG_OMAP_OSK_MISTRAL
static struct omap_lcd_config osk_lcd_config __initdata = {
	.ctrl_name	= "internal",
};
#endif

static struct omap_board_config_kernel osk_config[] = {
	{ OMAP_TAG_USB,           &osk_usb_config },
	{ OMAP_TAG_UART,		&osk_uart_config },
#ifdef	CONFIG_OMAP_OSK_MISTRAL
	{ OMAP_TAG_LCD,			&osk_lcd_config },
#endif
};

#ifdef	CONFIG_OMAP_OSK_MISTRAL

#include <linux/input.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>

#include <asm/arch/keypad.h>

static const int osk_keymap[] = {
	/* KEY(col, row, code) */
	KEY(0, 0, KEY_F1),		/* SW4 */
	KEY(0, 3, KEY_UP),		/* (sw2/up) */
	KEY(1, 1, KEY_LEFTCTRL),	/* SW5 */
	KEY(1, 2, KEY_LEFT),		/* (sw2/left) */
	KEY(2, 0, KEY_SPACE),		/* SW3 */
	KEY(2, 1, KEY_ESC),		/* SW6 */
	KEY(2, 2, KEY_DOWN),		/* (sw2/down) */
	KEY(3, 2, KEY_ENTER),		/* (sw2/select) */
	KEY(3, 3, KEY_RIGHT),		/* (sw2/right) */
	0
};

static struct omap_kp_platform_data osk_kp_data = {
	.rows		= 8,
	.cols		= 8,
	.keymap		= (int *) osk_keymap,
	.keymapsize	= ARRAY_SIZE(osk_keymap),
	.delay		= 9,
};

static struct resource osk5912_kp_resources[] = {
	[0] = {
		.start	= INT_KEYBOARD,
		.end	= INT_KEYBOARD,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device osk5912_kp_device = {
	.name		= "omap-keypad",
	.id		= -1,
	.dev		= {
		.platform_data = &osk_kp_data,
	},
	.num_resources	= ARRAY_SIZE(osk5912_kp_resources),
	.resource	= osk5912_kp_resources,
};

static struct omap_backlight_config mistral_bl_data = {
	.default_intensity	= 0xa0,
};

static struct platform_device mistral_bl_device = {
	.name		= "omap-bl",
	.id		= -1,
	.dev		= {
		.platform_data = &mistral_bl_data,
	},
};

static struct platform_device osk5912_lcd_device = {
	.name		= "lcd_osk",
	.id		= -1,
};

static struct platform_device *mistral_devices[] __initdata = {
	&osk5912_kp_device,
	&mistral_bl_device,
	&osk5912_lcd_device,
};

static int mistral_get_pendown_state(void)
{
	return !omap_get_gpio_datain(4);
}

static const struct ads7846_platform_data mistral_ts_info = {
	.model			= 7846,
	.vref_delay_usecs	= 100,	/* internal, no capacitor */
	.x_plate_ohms		= 419,
	.y_plate_ohms		= 486,
	.get_pendown_state	= mistral_get_pendown_state,
};

static struct spi_board_info __initdata mistral_boardinfo[] = { {
	/* MicroWire (bus 2) CS0 has an ads7846e */
	.modalias		= "ads7846",
	.platform_data		= &mistral_ts_info,
	.irq			= OMAP_GPIO_IRQ(4),
	.max_speed_hz		= 120000 /* max sample rate at 3V */
					* 26 /* command + data + overhead */,
	.bus_num		= 2,
	.chip_select		= 0,
} };

#ifdef	CONFIG_PM
static irqreturn_t
osk_mistral_wake_interrupt(int irq, void *ignored)
{
	return IRQ_HANDLED;
}
#endif

static void __init osk_mistral_init(void)
{
	/* NOTE:  we could actually tell if there's a Mistral board
	 * attached, e.g. by trying to read something from the ads7846.
	 * But this arch_init() code is too early for that, since we
	 * can't talk to the ads or even the i2c eeprom.
	 */

	/* parallel camera interface */
	omap_cfg_reg(J15_1610_CAM_LCLK);
	omap_cfg_reg(J18_1610_CAM_D7);
	omap_cfg_reg(J19_1610_CAM_D6);
	omap_cfg_reg(J14_1610_CAM_D5);
	omap_cfg_reg(K18_1610_CAM_D4);
	omap_cfg_reg(K19_1610_CAM_D3);
	omap_cfg_reg(K15_1610_CAM_D2);
	omap_cfg_reg(K14_1610_CAM_D1);
	omap_cfg_reg(L19_1610_CAM_D0);
	omap_cfg_reg(L18_1610_CAM_VS);
	omap_cfg_reg(L15_1610_CAM_HS);
	omap_cfg_reg(M19_1610_CAM_RSTZ);
	omap_cfg_reg(Y15_1610_CAM_OUTCLK);

	/* serial camera interface */
	omap_cfg_reg(H19_1610_CAM_EXCLK);
	omap_cfg_reg(W13_1610_CCP_CLKM);
	omap_cfg_reg(Y12_1610_CCP_CLKP);
	/* CCP_DATAM CONFLICTS WITH UART1.TX (and serial console) */
	// omap_cfg_reg(Y14_1610_CCP_DATAM);
	omap_cfg_reg(W14_1610_CCP_DATAP);

	/* CAM_PWDN */
	if (omap_request_gpio(11) == 0) {
		omap_cfg_reg(N20_1610_GPIO11);
		omap_set_gpio_direction(11, 0 /* out */);
		omap_set_gpio_dataout(11, 0 /* off */);
	} else
		pr_debug("OSK+Mistral: CAM_PWDN is awol\n");


	// omap_cfg_reg(P19_1610_GPIO6);	// BUSY
	omap_cfg_reg(P20_1610_GPIO4);	// PENIRQ
	set_irq_type(OMAP_GPIO_IRQ(4), IRQT_FALLING);
	spi_register_board_info(mistral_boardinfo,
			ARRAY_SIZE(mistral_boardinfo));

	/* the sideways button (SW1) is for use as a "wakeup" button */
	omap_cfg_reg(N15_1610_MPUIO2);
	if (omap_request_gpio(OMAP_MPUIO(2)) == 0) {
		int ret = 0;
		omap_set_gpio_direction(OMAP_MPUIO(2), 1);
		set_irq_type(OMAP_GPIO_IRQ(OMAP_MPUIO(2)), IRQT_RISING);
#ifdef	CONFIG_PM
		/* share the IRQ in case someone wants to use the
		 * button for more than wakeup from system sleep.
		 */
		ret = request_irq(OMAP_GPIO_IRQ(OMAP_MPUIO(2)),
				&osk_mistral_wake_interrupt,
				IRQF_SHARED, "mistral_wakeup",
				&osk_mistral_wake_interrupt);
		if (ret != 0) {
			omap_free_gpio(OMAP_MPUIO(2));
			printk(KERN_ERR "OSK+Mistral: no wakeup irq, %d?\n",
				ret);
		} else
			enable_irq_wake(OMAP_GPIO_IRQ(OMAP_MPUIO(2)));
#endif
	} else
		printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n");

	/* LCD:  backlight, and power; power controls other devices on the
	 * board, like the touchscreen, EEPROM, and wakeup (!) switch.
	 */
	omap_cfg_reg(PWL);
	if (omap_request_gpio(2) == 0) {
		omap_set_gpio_direction(2, 0 /* out */);
		omap_set_gpio_dataout(2, 1 /* on */);
	}

	platform_add_devices(mistral_devices, ARRAY_SIZE(mistral_devices));
}
#else
static void __init osk_mistral_init(void) { }
#endif

#define EMIFS_CS3_VAL	(0x88013141)

static void __init osk_init(void)
{
	/* Workaround for wrong CS3 (NOR flash) timing
	 * There are some U-Boot versions out there which configure
	 * wrong CS3 memory timings. This mainly leads to CRC
	 * or similar errors if you use NOR flash (e.g. with JFFS2)
	 */
	if (EMIFS_CCS(3) != EMIFS_CS3_VAL)
		EMIFS_CCS(3) = EMIFS_CS3_VAL;

	osk_flash_resource.end = osk_flash_resource.start = omap_cs3_phys();
	osk_flash_resource.end += SZ_32M - 1;
	platform_add_devices(osk5912_devices, ARRAY_SIZE(osk5912_devices));
	omap_board_config = osk_config;
	omap_board_config_size = ARRAY_SIZE(osk_config);
	USB_TRANSCEIVER_CTRL_REG |= (3 << 1);

	/* irq for tps65010 chip */
	/* bootloader effectively does:  omap_cfg_reg(U19_1610_MPUIO1); */
	if (gpio_request(OMAP_MPUIO(1), "tps65010") == 0)
		gpio_direction_input(OMAP_MPUIO(1));

	i2c_register_board_info(1, osk_i2c_board_info,
			ARRAY_SIZE(osk_i2c_board_info));

	omap_serial_init();
	osk_mistral_init();
}

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

#ifdef CONFIG_TPS65010
static int __init osk_tps_init(void)
{
	if (!machine_is_omap_osk())
		return 0;

	/* Let LED1 (D9) blink */
	tps65010_set_led(LED1, BLINK);

	/* Disable LED 2 (D2) */
	tps65010_set_led(LED2, OFF);

	/* Set GPIO 1 HIGH to disable VBUS power supply;
	 * OHCI driver powers it up/down as needed.
	 */
	tps65010_set_gpio_out_value(GPIO1, HIGH);

	/* Set GPIO 2 low to turn on LED D3 */
	tps65010_set_gpio_out_value(GPIO2, HIGH);

	/* Set GPIO 3 low to take ethernet out of reset */
	tps65010_set_gpio_out_value(GPIO3, LOW);

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

	/* Enable LOW_PWR */
	tps65010_set_low_pwr(ON);

	/* Switch VLDO2 to 3.0V for AIC23 */
	tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V
			| TPS_LDO1_ENABLE);

	return 0;
}
fs_initcall(osk_tps_init);
#endif

MACHINE_START(OMAP_OSK, "TI-OSK")
	/* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */
	.phys_io	= 0xfff00000,
	.io_pg_offst	= ((0xfef00000) >> 18) & 0xfffc,
	.boot_params	= 0x10000100,
	.map_io		= osk_map_io,
	.init_irq	= osk_init_irq,
	.init_machine	= osk_init,
	.timer		= &omap_timer,
MACHINE_END