xref: /openbmc/linux/arch/arm/mach-pxa/spitz.c (revision b6dcefde)
1 /*
2  * Support for Sharp SL-Cxx00 Series of PDAs
3  * Models: SL-C3000 (Spitz), SL-C1000 (Akita) and SL-C3100 (Borzoi)
4  *
5  * Copyright (c) 2005 Richard Purdie
6  *
7  * Based on Sharp's 2.4 kernel patches/lubbock.c
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License version 2 as
11  * published by the Free Software Foundation.
12  *
13  */
14 
15 #include <linux/kernel.h>
16 #include <linux/platform_device.h>
17 #include <linux/delay.h>
18 #include <linux/gpio_keys.h>
19 #include <linux/gpio.h>
20 #include <linux/leds.h>
21 #include <linux/mtd/physmap.h>
22 #include <linux/i2c.h>
23 #include <linux/i2c/pca953x.h>
24 #include <linux/spi/spi.h>
25 #include <linux/spi/ads7846.h>
26 #include <linux/spi/corgi_lcd.h>
27 #include <linux/mtd/sharpsl.h>
28 #include <linux/input/matrix_keypad.h>
29 
30 #include <asm/setup.h>
31 #include <asm/mach-types.h>
32 #include <asm/mach/arch.h>
33 #include <asm/mach/sharpsl_param.h>
34 #include <asm/hardware/scoop.h>
35 
36 
37 #include <mach/pxa27x.h>
38 #include <mach/pxa27x-udc.h>
39 #include <mach/reset.h>
40 #include <plat/i2c.h>
41 #include <mach/irda.h>
42 #include <mach/mmc.h>
43 #include <mach/ohci.h>
44 #include <mach/pxafb.h>
45 #include <mach/pxa2xx_spi.h>
46 #include <mach/spitz.h>
47 
48 #include "generic.h"
49 #include "devices.h"
50 #include "sharpsl.h"
51 
52 static unsigned long spitz_pin_config[] __initdata = {
53 	/* Chip Selects */
54 	GPIO78_nCS_2,	/* SCOOP #2 */
55 	GPIO79_nCS_3,	/* NAND */
56 	GPIO80_nCS_4,	/* SCOOP #1 */
57 
58 	/* LCD - 16bpp Active TFT */
59 	GPIO58_LCD_LDD_0,
60 	GPIO59_LCD_LDD_1,
61 	GPIO60_LCD_LDD_2,
62 	GPIO61_LCD_LDD_3,
63 	GPIO62_LCD_LDD_4,
64 	GPIO63_LCD_LDD_5,
65 	GPIO64_LCD_LDD_6,
66 	GPIO65_LCD_LDD_7,
67 	GPIO66_LCD_LDD_8,
68 	GPIO67_LCD_LDD_9,
69 	GPIO68_LCD_LDD_10,
70 	GPIO69_LCD_LDD_11,
71 	GPIO70_LCD_LDD_12,
72 	GPIO71_LCD_LDD_13,
73 	GPIO72_LCD_LDD_14,
74 	GPIO73_LCD_LDD_15,
75 	GPIO74_LCD_FCLK,
76 	GPIO75_LCD_LCLK,
77 	GPIO76_LCD_PCLK,
78 
79 	/* PC Card */
80 	GPIO48_nPOE,
81 	GPIO49_nPWE,
82 	GPIO50_nPIOR,
83 	GPIO51_nPIOW,
84 	GPIO85_nPCE_1,
85 	GPIO54_nPCE_2,
86 	GPIO55_nPREG,
87 	GPIO56_nPWAIT,
88 	GPIO57_nIOIS16,
89 	GPIO104_PSKTSEL,
90 
91 	/* I2S */
92 	GPIO28_I2S_BITCLK_OUT,
93 	GPIO29_I2S_SDATA_IN,
94 	GPIO30_I2S_SDATA_OUT,
95 	GPIO31_I2S_SYNC,
96 
97 	/* MMC */
98 	GPIO32_MMC_CLK,
99 	GPIO112_MMC_CMD,
100 	GPIO92_MMC_DAT_0,
101 	GPIO109_MMC_DAT_1,
102 	GPIO110_MMC_DAT_2,
103 	GPIO111_MMC_DAT_3,
104 
105 	/* GPIOs */
106 	GPIO9_GPIO,	/* SPITZ_GPIO_nSD_DETECT */
107 	GPIO81_GPIO,	/* SPITZ_GPIO_nSD_WP */
108 	GPIO41_GPIO,	/* SPITZ_GPIO_USB_CONNECT */
109 	GPIO37_GPIO,	/* SPITZ_GPIO_USB_HOST */
110 	GPIO35_GPIO,	/* SPITZ_GPIO_USB_DEVICE */
111 	GPIO22_GPIO,	/* SPITZ_GPIO_HSYNC */
112 	GPIO94_GPIO,	/* SPITZ_GPIO_CF_CD */
113 	GPIO105_GPIO,	/* SPITZ_GPIO_CF_IRQ */
114 	GPIO106_GPIO,	/* SPITZ_GPIO_CF2_IRQ */
115 
116 	/* GPIO matrix keypad */
117 	GPIO88_GPIO,	/* column 0 */
118 	GPIO23_GPIO,	/* column 1 */
119 	GPIO24_GPIO,	/* column 2 */
120 	GPIO25_GPIO,	/* column 3 */
121 	GPIO26_GPIO,	/* column 4 */
122 	GPIO27_GPIO,	/* column 5 */
123 	GPIO52_GPIO,	/* column 6 */
124 	GPIO103_GPIO,	/* column 7 */
125 	GPIO107_GPIO,	/* column 8 */
126 	GPIO108_GPIO,	/* column 9 */
127 	GPIO114_GPIO,	/* column 10 */
128 	GPIO12_GPIO,	/* row 0 */
129 	GPIO17_GPIO,	/* row 1 */
130 	GPIO91_GPIO,	/* row 2 */
131 	GPIO34_GPIO,	/* row 3 */
132 	GPIO36_GPIO,	/* row 4 */
133 	GPIO38_GPIO,	/* row 5 */
134 	GPIO39_GPIO,	/* row 6 */
135 
136 	/* I2C */
137 	GPIO117_I2C_SCL,
138 	GPIO118_I2C_SDA,
139 
140 	GPIO1_GPIO | WAKEUP_ON_EDGE_RISE,
141 };
142 
143 /*
144  * Spitz SCOOP Device #1
145  */
146 static struct resource spitz_scoop_resources[] = {
147 	[0] = {
148 		.start		= 0x10800000,
149 		.end		= 0x10800fff,
150 		.flags		= IORESOURCE_MEM,
151 	},
152 };
153 
154 static struct scoop_config spitz_scoop_setup = {
155 	.io_dir		= SPITZ_SCP_IO_DIR,
156 	.io_out		= SPITZ_SCP_IO_OUT,
157 	.suspend_clr	= SPITZ_SCP_SUS_CLR,
158 	.suspend_set	= SPITZ_SCP_SUS_SET,
159 	.gpio_base	= SPITZ_SCP_GPIO_BASE,
160 };
161 
162 struct platform_device spitzscoop_device = {
163 	.name		= "sharp-scoop",
164 	.id		= 0,
165 	.dev		= {
166  		.platform_data	= &spitz_scoop_setup,
167 	},
168 	.num_resources	= ARRAY_SIZE(spitz_scoop_resources),
169 	.resource	= spitz_scoop_resources,
170 };
171 
172 /*
173  * Spitz SCOOP Device #2
174  */
175 static struct resource spitz_scoop2_resources[] = {
176 	[0] = {
177 		.start		= 0x08800040,
178 		.end		= 0x08800fff,
179 		.flags		= IORESOURCE_MEM,
180 	},
181 };
182 
183 static struct scoop_config spitz_scoop2_setup = {
184 	.io_dir		= SPITZ_SCP2_IO_DIR,
185 	.io_out		= SPITZ_SCP2_IO_OUT,
186 	.suspend_clr	= SPITZ_SCP2_SUS_CLR,
187 	.suspend_set	= SPITZ_SCP2_SUS_SET,
188 	.gpio_base	= SPITZ_SCP2_GPIO_BASE,
189 };
190 
191 struct platform_device spitzscoop2_device = {
192 	.name		= "sharp-scoop",
193 	.id		= 1,
194 	.dev		= {
195  		.platform_data	= &spitz_scoop2_setup,
196 	},
197 	.num_resources	= ARRAY_SIZE(spitz_scoop2_resources),
198 	.resource	= spitz_scoop2_resources,
199 };
200 
201 #define SPITZ_PWR_SD 0x01
202 #define SPITZ_PWR_CF 0x02
203 
204 /* Power control is shared with between one of the CF slots and SD */
205 static void spitz_card_pwr_ctrl(int device, unsigned short new_cpr)
206 {
207 	unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR);
208 
209 	if (new_cpr & 0x0007) {
210 		gpio_set_value(SPITZ_GPIO_CF_POWER, 1);
211 		if (!(cpr & 0x0002) && !(cpr & 0x0004))
212 		        mdelay(5);
213 		if (device == SPITZ_PWR_CF)
214 		        cpr |= 0x0002;
215 		if (device == SPITZ_PWR_SD)
216 		        cpr |= 0x0004;
217 	        write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
218 	} else {
219 		if (device == SPITZ_PWR_CF)
220 		        cpr &= ~0x0002;
221 		if (device == SPITZ_PWR_SD)
222 		        cpr &= ~0x0004;
223 		if (!(cpr & 0x0002) && !(cpr & 0x0004)) {
224 			write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, 0x0000);
225 		        mdelay(1);
226 			gpio_set_value(SPITZ_GPIO_CF_POWER, 0);
227 		} else {
228 		        write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
229 		}
230 	}
231 }
232 
233 static void spitz_pcmcia_pwr(struct device *scoop, unsigned short cpr, int nr)
234 {
235 	/* Only need to override behaviour for slot 0 */
236 	if (nr == 0)
237 		spitz_card_pwr_ctrl(SPITZ_PWR_CF, cpr);
238 	else
239 		write_scoop_reg(scoop, SCOOP_CPR, cpr);
240 }
241 
242 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
243 {
244 	.dev        = &spitzscoop_device.dev,
245 	.irq        = SPITZ_IRQ_GPIO_CF_IRQ,
246 	.cd_irq     = SPITZ_IRQ_GPIO_CF_CD,
247 	.cd_irq_str = "PCMCIA0 CD",
248 },{
249 	.dev        = &spitzscoop2_device.dev,
250 	.irq        = SPITZ_IRQ_GPIO_CF2_IRQ,
251 	.cd_irq     = -1,
252 },
253 };
254 
255 static struct scoop_pcmcia_config spitz_pcmcia_config = {
256 	.devs         = &spitz_pcmcia_scoop[0],
257 	.num_devs     = 2,
258 	.power_ctrl   = spitz_pcmcia_pwr,
259 };
260 
261 EXPORT_SYMBOL(spitzscoop_device);
262 EXPORT_SYMBOL(spitzscoop2_device);
263 
264 /*
265  * Spitz Keyboard Device
266  */
267 #define SPITZ_KEY_CALENDAR	KEY_F1
268 #define SPITZ_KEY_ADDRESS	KEY_F2
269 #define SPITZ_KEY_FN		KEY_F3
270 #define SPITZ_KEY_CANCEL	KEY_F4
271 #define SPITZ_KEY_EXOK		KEY_F5
272 #define SPITZ_KEY_EXCANCEL	KEY_F6
273 #define SPITZ_KEY_EXJOGDOWN	KEY_F7
274 #define SPITZ_KEY_EXJOGUP	KEY_F8
275 #define SPITZ_KEY_JAP1		KEY_LEFTALT
276 #define SPITZ_KEY_JAP2		KEY_RIGHTCTRL
277 #define SPITZ_KEY_SYNC		KEY_F9
278 #define SPITZ_KEY_MAIL		KEY_F10
279 #define SPITZ_KEY_OK		KEY_F11
280 #define SPITZ_KEY_MENU		KEY_F12
281 
282 static const uint32_t spitzkbd_keymap[] = {
283 	KEY(0, 0, KEY_LEFTCTRL),
284 	KEY(0, 1, KEY_1),
285 	KEY(0, 2, KEY_3),
286 	KEY(0, 3, KEY_5),
287 	KEY(0, 4, KEY_6),
288 	KEY(0, 5, KEY_7),
289 	KEY(0, 6, KEY_9),
290 	KEY(0, 7, KEY_0),
291 	KEY(0, 8, KEY_BACKSPACE),
292 	KEY(0, 9, SPITZ_KEY_EXOK),	/* EXOK */
293 	KEY(0, 10, SPITZ_KEY_EXCANCEL),	/* EXCANCEL */
294 	KEY(1, 1, KEY_2),
295 	KEY(1, 2, KEY_4),
296 	KEY(1, 3, KEY_R),
297 	KEY(1, 4, KEY_Y),
298 	KEY(1, 5, KEY_8),
299 	KEY(1, 6, KEY_I),
300 	KEY(1, 7, KEY_O),
301 	KEY(1, 8, KEY_P),
302 	KEY(1, 9, SPITZ_KEY_EXJOGDOWN),	/* EXJOGDOWN */
303 	KEY(1, 10, SPITZ_KEY_EXJOGUP),	/* EXJOGUP */
304 	KEY(2, 0, KEY_TAB),
305 	KEY(2, 1, KEY_Q),
306 	KEY(2, 2, KEY_E),
307 	KEY(2, 3, KEY_T),
308 	KEY(2, 4, KEY_G),
309 	KEY(2, 5, KEY_U),
310 	KEY(2, 6, KEY_J),
311 	KEY(2, 7, KEY_K),
312 	KEY(3, 0, SPITZ_KEY_ADDRESS),	/* ADDRESS */
313 	KEY(3, 1, KEY_W),
314 	KEY(3, 2, KEY_S),
315 	KEY(3, 3, KEY_F),
316 	KEY(3, 4, KEY_V),
317 	KEY(3, 5, KEY_H),
318 	KEY(3, 6, KEY_M),
319 	KEY(3, 7, KEY_L),
320 	KEY(3, 9, KEY_RIGHTSHIFT),
321 	KEY(4, 0, SPITZ_KEY_CALENDAR),	/* CALENDAR */
322 	KEY(4, 1, KEY_A),
323 	KEY(4, 2, KEY_D),
324 	KEY(4, 3, KEY_C),
325 	KEY(4, 4, KEY_B),
326 	KEY(4, 5, KEY_N),
327 	KEY(4, 6, KEY_DOT),
328 	KEY(4, 8, KEY_ENTER),
329 	KEY(4, 9, KEY_LEFTSHIFT),
330 	KEY(5, 0, SPITZ_KEY_MAIL),	/* MAIL */
331 	KEY(5, 1, KEY_Z),
332 	KEY(5, 2, KEY_X),
333 	KEY(5, 3, KEY_MINUS),
334 	KEY(5, 4, KEY_SPACE),
335 	KEY(5, 5, KEY_COMMA),
336 	KEY(5, 7, KEY_UP),
337 	KEY(5, 10, SPITZ_KEY_FN),	/* FN */
338 	KEY(6, 0, KEY_SYSRQ),
339 	KEY(6, 1, SPITZ_KEY_JAP1),	/* JAP1 */
340 	KEY(6, 2, SPITZ_KEY_JAP2),	/* JAP2 */
341 	KEY(6, 3, SPITZ_KEY_CANCEL),	/* CANCEL */
342 	KEY(6, 4, SPITZ_KEY_OK),	/* OK */
343 	KEY(6, 5, SPITZ_KEY_MENU),	/* MENU */
344 	KEY(6, 6, KEY_LEFT),
345 	KEY(6, 7, KEY_DOWN),
346 	KEY(6, 8, KEY_RIGHT),
347 };
348 
349 static const struct matrix_keymap_data spitzkbd_keymap_data = {
350 	.keymap		= spitzkbd_keymap,
351 	.keymap_size	= ARRAY_SIZE(spitzkbd_keymap),
352 };
353 
354 static const uint32_t spitzkbd_row_gpios[] =
355 		{ 12, 17, 91, 34, 36, 38, 39 };
356 static const uint32_t spitzkbd_col_gpios[] =
357 		{ 88, 23, 24, 25, 26, 27, 52, 103, 107, 108, 114 };
358 
359 static struct matrix_keypad_platform_data spitzkbd_pdata = {
360 	.keymap_data		= &spitzkbd_keymap_data,
361 	.row_gpios		= spitzkbd_row_gpios,
362 	.col_gpios		= spitzkbd_col_gpios,
363 	.num_row_gpios		= ARRAY_SIZE(spitzkbd_row_gpios),
364 	.num_col_gpios		= ARRAY_SIZE(spitzkbd_col_gpios),
365 	.col_scan_delay_us	= 10,
366 	.debounce_ms		= 10,
367 	.wakeup			= 1,
368 };
369 
370 static struct platform_device spitzkbd_device = {
371 	.name		= "matrix-keypad",
372 	.id		= -1,
373 	.dev		= {
374 		.platform_data = &spitzkbd_pdata,
375 	},
376 };
377 
378 
379 static struct gpio_keys_button spitz_gpio_keys[] = {
380 	{
381 		.type	= EV_PWR,
382 		.code	= KEY_SUSPEND,
383 		.gpio	= SPITZ_GPIO_ON_KEY,
384 		.desc	= "On/Off",
385 		.wakeup	= 1,
386 	},
387 	/* Two buttons detecting the lid state */
388 	{
389 		.type	= EV_SW,
390 		.code	= 0,
391 		.gpio	= SPITZ_GPIO_SWA,
392 		.desc	= "Display Down",
393 	},
394 	{
395 		.type	= EV_SW,
396 		.code	= 1,
397 		.gpio	= SPITZ_GPIO_SWB,
398 		.desc	= "Lid Closed",
399 	},
400 };
401 
402 static struct gpio_keys_platform_data spitz_gpio_keys_platform_data = {
403 	.buttons	= spitz_gpio_keys,
404 	.nbuttons	= ARRAY_SIZE(spitz_gpio_keys),
405 };
406 
407 static struct platform_device spitz_gpio_keys_device = {
408 	.name	= "gpio-keys",
409 	.id	= -1,
410 	.dev	= {
411 		.platform_data	= &spitz_gpio_keys_platform_data,
412 	},
413 };
414 
415 
416 /*
417  * Spitz LEDs
418  */
419 static struct gpio_led spitz_gpio_leds[] = {
420 	{
421 		.name			= "spitz:amber:charge",
422 		.default_trigger	= "sharpsl-charge",
423 		.gpio			= SPITZ_GPIO_LED_ORANGE,
424 	},
425 	{
426 		.name			= "spitz:green:hddactivity",
427 		.default_trigger	= "ide-disk",
428 		.gpio			= SPITZ_GPIO_LED_GREEN,
429 	},
430 };
431 
432 static struct gpio_led_platform_data spitz_gpio_leds_info = {
433 	.leds		= spitz_gpio_leds,
434 	.num_leds	= ARRAY_SIZE(spitz_gpio_leds),
435 };
436 
437 static struct platform_device spitzled_device = {
438 	.name		= "leds-gpio",
439 	.id		= -1,
440 	.dev		= {
441 		.platform_data = &spitz_gpio_leds_info,
442 	},
443 };
444 
445 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
446 static struct pxa2xx_spi_master spitz_spi_info = {
447 	.num_chipselect	= 3,
448 };
449 
450 static void spitz_wait_for_hsync(void)
451 {
452 	while (gpio_get_value(SPITZ_GPIO_HSYNC))
453 		cpu_relax();
454 
455 	while (!gpio_get_value(SPITZ_GPIO_HSYNC))
456 		cpu_relax();
457 }
458 
459 static struct ads7846_platform_data spitz_ads7846_info = {
460 	.model			= 7846,
461 	.vref_delay_usecs	= 100,
462 	.x_plate_ohms		= 419,
463 	.y_plate_ohms		= 486,
464 	.pressure_max		= 1024,
465 	.gpio_pendown		= SPITZ_GPIO_TP_INT,
466 	.wait_for_sync		= spitz_wait_for_hsync,
467 };
468 
469 static struct pxa2xx_spi_chip spitz_ads7846_chip = {
470 	.gpio_cs		= SPITZ_GPIO_ADS7846_CS,
471 };
472 
473 static void spitz_bl_kick_battery(void)
474 {
475 	void (*kick_batt)(void);
476 
477 	kick_batt = symbol_get(sharpsl_battery_kick);
478 	if (kick_batt) {
479 		kick_batt();
480 		symbol_put(sharpsl_battery_kick);
481 	}
482 }
483 
484 static struct corgi_lcd_platform_data spitz_lcdcon_info = {
485 	.init_mode		= CORGI_LCD_MODE_VGA,
486 	.max_intensity		= 0x2f,
487 	.default_intensity	= 0x1f,
488 	.limit_mask		= 0x0b,
489 	.gpio_backlight_cont	= SPITZ_GPIO_BACKLIGHT_CONT,
490 	.gpio_backlight_on	= SPITZ_GPIO_BACKLIGHT_ON,
491 	.kick_battery		= spitz_bl_kick_battery,
492 };
493 
494 static struct pxa2xx_spi_chip spitz_lcdcon_chip = {
495 	.gpio_cs	= SPITZ_GPIO_LCDCON_CS,
496 };
497 
498 static struct pxa2xx_spi_chip spitz_max1111_chip = {
499 	.gpio_cs	= SPITZ_GPIO_MAX1111_CS,
500 };
501 
502 static struct spi_board_info spitz_spi_devices[] = {
503 	{
504 		.modalias	= "ads7846",
505 		.max_speed_hz	= 1200000,
506 		.bus_num	= 2,
507 		.chip_select	= 0,
508 		.platform_data	= &spitz_ads7846_info,
509 		.controller_data= &spitz_ads7846_chip,
510 		.irq		= gpio_to_irq(SPITZ_GPIO_TP_INT),
511 	}, {
512 		.modalias	= "corgi-lcd",
513 		.max_speed_hz	= 50000,
514 		.bus_num	= 2,
515 		.chip_select	= 1,
516 		.platform_data	= &spitz_lcdcon_info,
517 		.controller_data= &spitz_lcdcon_chip,
518 	}, {
519 		.modalias	= "max1111",
520 		.max_speed_hz	= 450000,
521 		.bus_num	= 2,
522 		.chip_select	= 2,
523 		.controller_data= &spitz_max1111_chip,
524 	},
525 };
526 
527 static void __init spitz_init_spi(void)
528 {
529 	if (machine_is_akita()) {
530 		spitz_lcdcon_info.gpio_backlight_cont = AKITA_GPIO_BACKLIGHT_CONT;
531 		spitz_lcdcon_info.gpio_backlight_on = AKITA_GPIO_BACKLIGHT_ON;
532 	}
533 
534 	pxa2xx_set_spi_info(2, &spitz_spi_info);
535 	spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
536 }
537 #else
538 static inline void spitz_init_spi(void) {}
539 #endif
540 
541 /*
542  * MMC/SD Device
543  *
544  * The card detect interrupt isn't debounced so we delay it by 250ms
545  * to give the card a chance to fully insert/eject.
546  */
547 static void spitz_mci_setpower(struct device *dev, unsigned int vdd)
548 {
549 	struct pxamci_platform_data* p_d = dev->platform_data;
550 
551 	if (( 1 << vdd) & p_d->ocr_mask)
552 		spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0004);
553 	else
554 		spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0000);
555 }
556 
557 static struct pxamci_platform_data spitz_mci_platform_data = {
558 	.ocr_mask		= MMC_VDD_32_33|MMC_VDD_33_34,
559 	.setpower 		= spitz_mci_setpower,
560 	.gpio_card_detect	= SPITZ_GPIO_nSD_DETECT,
561 	.gpio_card_ro		= SPITZ_GPIO_nSD_WP,
562 	.gpio_power		= -1,
563 };
564 
565 
566 /*
567  * USB Host (OHCI)
568  */
569 static int spitz_ohci_init(struct device *dev)
570 {
571 	int err;
572 
573 	err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST");
574 	if (err)
575 		return err;
576 
577 	/* Only Port 2 is connected
578 	 * Setup USB Port 2 Output Control Register
579 	 */
580 	UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
581 
582 	return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
583 }
584 
585 static void spitz_ohci_exit(struct device *dev)
586 {
587 	gpio_free(SPITZ_GPIO_USB_HOST);
588 }
589 
590 static struct pxaohci_platform_data spitz_ohci_platform_data = {
591 	.port_mode	= PMM_NPS_MODE,
592 	.init		= spitz_ohci_init,
593 	.exit		= spitz_ohci_exit,
594 	.flags		= ENABLE_PORT_ALL | NO_OC_PROTECTION,
595 	.power_budget	= 150,
596 };
597 
598 
599 /*
600  * Irda
601  */
602 
603 static struct pxaficp_platform_data spitz_ficp_platform_data = {
604 /* .gpio_pwdown is set in spitz_init() and akita_init() accordingly */
605 	.transceiver_cap	= IR_SIRMODE | IR_OFF,
606 };
607 
608 
609 /*
610  * Spitz PXA Framebuffer
611  */
612 
613 static struct pxafb_mode_info spitz_pxafb_modes[] = {
614 {
615 	.pixclock       = 19231,
616 	.xres           = 480,
617 	.yres           = 640,
618 	.bpp            = 16,
619 	.hsync_len      = 40,
620 	.left_margin    = 46,
621 	.right_margin   = 125,
622 	.vsync_len      = 3,
623 	.upper_margin   = 1,
624 	.lower_margin   = 0,
625 	.sync           = 0,
626 },{
627 	.pixclock       = 134617,
628 	.xres           = 240,
629 	.yres           = 320,
630 	.bpp            = 16,
631 	.hsync_len      = 20,
632 	.left_margin    = 20,
633 	.right_margin   = 46,
634 	.vsync_len      = 2,
635 	.upper_margin   = 1,
636 	.lower_margin   = 0,
637 	.sync           = 0,
638 },
639 };
640 
641 static struct pxafb_mach_info spitz_pxafb_info = {
642 	.modes          = &spitz_pxafb_modes[0],
643 	.num_modes      = 2,
644 	.fixed_modes    = 1,
645 	.lcd_conn	= LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
646 };
647 
648 static struct mtd_partition sharpsl_nand_partitions[] = {
649 	{
650 		.name = "System Area",
651 		.offset = 0,
652 		.size = 7 * 1024 * 1024,
653 	},
654 	{
655 		.name = "Root Filesystem",
656 		.offset = 7 * 1024 * 1024,
657 	},
658 	{
659 		.name = "Home Filesystem",
660 		.offset = MTDPART_OFS_APPEND,
661 		.size = MTDPART_SIZ_FULL,
662 	},
663 };
664 
665 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
666 
667 static struct nand_bbt_descr sharpsl_bbt = {
668 	.options = 0,
669 	.offs = 4,
670 	.len = 2,
671 	.pattern = scan_ff_pattern
672 };
673 
674 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
675 	.badblock_pattern	= &sharpsl_bbt,
676 	.partitions		= sharpsl_nand_partitions,
677 	.nr_partitions		= ARRAY_SIZE(sharpsl_nand_partitions),
678 };
679 
680 static struct resource sharpsl_nand_resources[] = {
681 	{
682 		.start	= 0x0C000000,
683 		.end	= 0x0C000FFF,
684 		.flags	= IORESOURCE_MEM,
685 	},
686 };
687 
688 static struct platform_device sharpsl_nand_device = {
689 	.name		= "sharpsl-nand",
690 	.id		= -1,
691 	.resource	= sharpsl_nand_resources,
692 	.num_resources	= ARRAY_SIZE(sharpsl_nand_resources),
693 	.dev.platform_data	= &sharpsl_nand_platform_data,
694 };
695 
696 
697 static struct mtd_partition sharpsl_rom_parts[] = {
698 	{
699 		.name	="Boot PROM Filesystem",
700 		.offset	= 0x00140000,
701 		.size	= MTDPART_SIZ_FULL,
702 	},
703 };
704 
705 static struct physmap_flash_data sharpsl_rom_data = {
706 	.width		= 2,
707 	.nr_parts	= ARRAY_SIZE(sharpsl_rom_parts),
708 	.parts		= sharpsl_rom_parts,
709 };
710 
711 static struct resource sharpsl_rom_resources[] = {
712 	{
713 		.start	= 0x00000000,
714 		.end	= 0x007fffff,
715 		.flags	= IORESOURCE_MEM,
716 	},
717 };
718 
719 static struct platform_device sharpsl_rom_device = {
720 	.name	= "physmap-flash",
721 	.id	= -1,
722 	.resource = sharpsl_rom_resources,
723 	.num_resources = ARRAY_SIZE(sharpsl_rom_resources),
724 	.dev.platform_data = &sharpsl_rom_data,
725 };
726 
727 static struct platform_device *devices[] __initdata = {
728 	&spitzscoop_device,
729 	&spitzkbd_device,
730 	&spitz_gpio_keys_device,
731 	&spitzled_device,
732 	&sharpsl_nand_device,
733 	&sharpsl_rom_device,
734 };
735 
736 static void spitz_poweroff(void)
737 {
738 	arm_machine_restart('g', NULL);
739 }
740 
741 static void spitz_restart(char mode, const char *cmd)
742 {
743 	/* Bootloader magic for a reboot */
744 	if((MSC0 & 0xffff0000) == 0x7ff00000)
745 		MSC0 = (MSC0 & 0xffff) | 0x7ee00000;
746 
747 	spitz_poweroff();
748 }
749 
750 static void __init common_init(void)
751 {
752 	init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0);
753 	pm_power_off = spitz_poweroff;
754 	arm_pm_restart = spitz_restart;
755 
756 	if (machine_is_spitz()) {
757 		sharpsl_nand_partitions[1].size = 5 * 1024 * 1024;
758 	} else if (machine_is_akita()) {
759 		sharpsl_nand_partitions[1].size = 58 * 1024 * 1024;
760 	} else if (machine_is_borzoi()) {
761 		sharpsl_nand_partitions[1].size = 32 * 1024 * 1024;
762 	}
763 
764 	PMCR = 0x00;
765 
766 	/* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
767 	PCFR |= PCFR_OPDE;
768 
769 	pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));
770 
771 	pxa_set_ffuart_info(NULL);
772 	pxa_set_btuart_info(NULL);
773 	pxa_set_stuart_info(NULL);
774 
775 	spitz_init_spi();
776 
777 	platform_add_devices(devices, ARRAY_SIZE(devices));
778 	spitz_mci_platform_data.detect_delay = msecs_to_jiffies(250);
779 	pxa_set_mci_info(&spitz_mci_platform_data);
780 	pxa_set_ohci_info(&spitz_ohci_platform_data);
781 	pxa_set_ficp_info(&spitz_ficp_platform_data);
782 	set_pxa_fb_info(&spitz_pxafb_info);
783 	pxa_set_i2c_info(NULL);
784 }
785 
786 #if defined(CONFIG_MACH_AKITA) || defined(CONFIG_MACH_BORZOI)
787 static struct nand_bbt_descr sharpsl_akita_bbt = {
788 	.options = 0,
789 	.offs = 4,
790 	.len = 1,
791 	.pattern = scan_ff_pattern
792 };
793 
794 static struct nand_ecclayout akita_oobinfo = {
795 	.eccbytes = 24,
796 	.eccpos = {
797 		   0x5, 0x1, 0x2, 0x3, 0x6, 0x7, 0x15, 0x11,
798 		   0x12, 0x13, 0x16, 0x17, 0x25, 0x21, 0x22, 0x23,
799 		   0x26, 0x27, 0x35, 0x31, 0x32, 0x33, 0x36, 0x37},
800 	.oobfree = {{0x08, 0x09}}
801 };
802 #endif
803 
804 #if defined(CONFIG_MACH_SPITZ) || defined(CONFIG_MACH_BORZOI)
805 static void __init spitz_init(void)
806 {
807 	spitz_ficp_platform_data.gpio_pwdown = SPITZ_GPIO_IR_ON;
808 
809 #ifdef CONFIG_MACH_BORZOI
810 	if (machine_is_borzoi()) {
811 		sharpsl_nand_platform_data.badblock_pattern = &sharpsl_akita_bbt;
812 		sharpsl_nand_platform_data.ecc_layout = &akita_oobinfo;
813 	}
814 #endif
815 
816 	platform_scoop_config = &spitz_pcmcia_config;
817 
818 	common_init();
819 
820 	platform_device_register(&spitzscoop2_device);
821 }
822 #endif
823 
824 #ifdef CONFIG_MACH_AKITA
825 /*
826  * Akita IO Expander
827  */
828 static struct pca953x_platform_data akita_ioexp = {
829 	.gpio_base		= AKITA_IOEXP_GPIO_BASE,
830 };
831 
832 static struct i2c_board_info akita_i2c_board_info[] = {
833 	{
834 		.type		= "max7310",
835 		.addr		= 0x18,
836 		.platform_data	= &akita_ioexp,
837 	},
838 };
839 
840 static void __init akita_init(void)
841 {
842 	spitz_ficp_platform_data.gpio_pwdown = AKITA_GPIO_IR_ON;
843 
844 	sharpsl_nand_platform_data.badblock_pattern = &sharpsl_akita_bbt;
845 	sharpsl_nand_platform_data.ecc_layout = &akita_oobinfo;
846 
847 	/* We just pretend the second element of the array doesn't exist */
848 	spitz_pcmcia_config.num_devs = 1;
849 	platform_scoop_config = &spitz_pcmcia_config;
850 
851 	i2c_register_board_info(0, ARRAY_AND_SIZE(akita_i2c_board_info));
852 
853 	common_init();
854 }
855 #endif
856 
857 static void __init fixup_spitz(struct machine_desc *desc,
858 		struct tag *tags, char **cmdline, struct meminfo *mi)
859 {
860 	sharpsl_save_param();
861 	mi->nr_banks = 1;
862 	mi->bank[0].start = 0xa0000000;
863 	mi->bank[0].node = 0;
864 	mi->bank[0].size = (64*1024*1024);
865 }
866 
867 #ifdef CONFIG_MACH_SPITZ
868 MACHINE_START(SPITZ, "SHARP Spitz")
869 	.phys_io	= 0x40000000,
870 	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
871 	.fixup		= fixup_spitz,
872 	.map_io		= pxa_map_io,
873 	.init_irq	= pxa27x_init_irq,
874 	.init_machine	= spitz_init,
875 	.timer		= &pxa_timer,
876 MACHINE_END
877 #endif
878 
879 #ifdef CONFIG_MACH_BORZOI
880 MACHINE_START(BORZOI, "SHARP Borzoi")
881 	.phys_io	= 0x40000000,
882 	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
883 	.fixup		= fixup_spitz,
884 	.map_io		= pxa_map_io,
885 	.init_irq	= pxa27x_init_irq,
886 	.init_machine	= spitz_init,
887 	.timer		= &pxa_timer,
888 MACHINE_END
889 #endif
890 
891 #ifdef CONFIG_MACH_AKITA
892 MACHINE_START(AKITA, "SHARP Akita")
893 	.phys_io	= 0x40000000,
894 	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
895 	.fixup		= fixup_spitz,
896 	.map_io		= pxa_map_io,
897 	.init_irq	= pxa27x_init_irq,
898 	.init_machine	= akita_init,
899 	.timer		= &pxa_timer,
900 MACHINE_END
901 #endif
902