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1 /*
2  * Support for Sharp SL-C7xx PDAs
3  * Models: SL-C700 (Corgi), SL-C750 (Shepherd), SL-C760 (Husky)
4  *
5  * Copyright (c) 2004-2005 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/module.h>	/* symbol_get ; symbol_put */
17 #include <linux/init.h>
18 #include <linux/platform_device.h>
19 #include <linux/major.h>
20 #include <linux/fs.h>
21 #include <linux/interrupt.h>
22 #include <linux/leds.h>
23 #include <linux/mmc/host.h>
24 #include <linux/mtd/physmap.h>
25 #include <linux/pm.h>
26 #include <linux/gpio.h>
27 #include <linux/backlight.h>
28 #include <linux/i2c.h>
29 #include <linux/i2c/pxa-i2c.h>
30 #include <linux/io.h>
31 #include <linux/regulator/machine.h>
32 #include <linux/spi/spi.h>
33 #include <linux/spi/ads7846.h>
34 #include <linux/spi/corgi_lcd.h>
35 #include <linux/spi/pxa2xx_spi.h>
36 #include <linux/mtd/sharpsl.h>
37 #include <linux/input/matrix_keypad.h>
38 #include <linux/gpio_keys.h>
39 #include <linux/memblock.h>
40 #include <video/w100fb.h>
41 
42 #include <asm/setup.h>
43 #include <asm/memory.h>
44 #include <asm/mach-types.h>
45 #include <mach/hardware.h>
46 #include <asm/irq.h>
47 
48 #include <asm/mach/arch.h>
49 #include <asm/mach/map.h>
50 #include <asm/mach/irq.h>
51 
52 #include "pxa25x.h"
53 #include <linux/platform_data/irda-pxaficp.h>
54 #include <linux/platform_data/mmc-pxamci.h>
55 #include "udc.h"
56 #include <mach/corgi.h>
57 #include "sharpsl_pm.h"
58 
59 #include <asm/mach/sharpsl_param.h>
60 #include <asm/hardware/scoop.h>
61 
62 #include "generic.h"
63 #include "devices.h"
64 
65 static unsigned long corgi_pin_config[] __initdata = {
66 	/* Static Memory I/O */
67 	GPIO78_nCS_2,	/* w100fb */
68 	GPIO80_nCS_4,	/* scoop */
69 
70 	/* SSP1 */
71 	GPIO23_SSP1_SCLK,
72 	GPIO25_SSP1_TXD,
73 	GPIO26_SSP1_RXD,
74 	GPIO24_GPIO,	/* CORGI_GPIO_ADS7846_CS - SFRM as chip select */
75 
76 	/* I2S */
77 	GPIO28_I2S_BITCLK_OUT,
78 	GPIO29_I2S_SDATA_IN,
79 	GPIO30_I2S_SDATA_OUT,
80 	GPIO31_I2S_SYNC,
81 	GPIO32_I2S_SYSCLK,
82 
83 	/* Infra-Red */
84 	GPIO47_FICP_TXD,
85 	GPIO46_FICP_RXD,
86 
87 	/* FFUART */
88 	GPIO40_FFUART_DTR,
89 	GPIO41_FFUART_RTS,
90 	GPIO39_FFUART_TXD,
91 	GPIO37_FFUART_DSR,
92 	GPIO34_FFUART_RXD,
93 	GPIO35_FFUART_CTS,
94 
95 	/* PC Card */
96 	GPIO48_nPOE,
97 	GPIO49_nPWE,
98 	GPIO50_nPIOR,
99 	GPIO51_nPIOW,
100 	GPIO52_nPCE_1,
101 	GPIO53_nPCE_2,
102 	GPIO54_nPSKTSEL,
103 	GPIO55_nPREG,
104 	GPIO56_nPWAIT,
105 	GPIO57_nIOIS16,
106 
107 	/* MMC */
108 	GPIO6_MMC_CLK,
109 	GPIO8_MMC_CS0,
110 
111 	/* GPIO Matrix Keypad */
112 	GPIO66_GPIO | MFP_LPM_DRIVE_HIGH,	/* column 0 */
113 	GPIO67_GPIO | MFP_LPM_DRIVE_HIGH,	/* column 1 */
114 	GPIO68_GPIO | MFP_LPM_DRIVE_HIGH,	/* column 2 */
115 	GPIO69_GPIO | MFP_LPM_DRIVE_HIGH,	/* column 3 */
116 	GPIO70_GPIO | MFP_LPM_DRIVE_HIGH,	/* column 4 */
117 	GPIO71_GPIO | MFP_LPM_DRIVE_HIGH,	/* column 5 */
118 	GPIO72_GPIO | MFP_LPM_DRIVE_HIGH,	/* column 6 */
119 	GPIO73_GPIO | MFP_LPM_DRIVE_HIGH,	/* column 7 */
120 	GPIO74_GPIO | MFP_LPM_DRIVE_HIGH,	/* column 8 */
121 	GPIO75_GPIO | MFP_LPM_DRIVE_HIGH,	/* column 9 */
122 	GPIO76_GPIO | MFP_LPM_DRIVE_HIGH,	/* column 10 */
123 	GPIO77_GPIO | MFP_LPM_DRIVE_HIGH,	/* column 11 */
124 	GPIO58_GPIO,	/* row 0 */
125 	GPIO59_GPIO,	/* row 1 */
126 	GPIO60_GPIO,	/* row 2 */
127 	GPIO61_GPIO,	/* row 3 */
128 	GPIO62_GPIO,	/* row 4 */
129 	GPIO63_GPIO,	/* row 5 */
130 	GPIO64_GPIO,	/* row 6 */
131 	GPIO65_GPIO,	/* row 7 */
132 
133 	/* GPIO */
134 	GPIO9_GPIO,				/* CORGI_GPIO_nSD_DETECT */
135 	GPIO7_GPIO,				/* CORGI_GPIO_nSD_WP */
136 	GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH,	/* CORGI_GPIO_MAIN_BAT_{LOW,COVER} */
137 	GPIO13_GPIO | MFP_LPM_KEEP_OUTPUT,	/* CORGI_GPIO_LED_ORANGE */
138 	GPIO21_GPIO,				/* CORGI_GPIO_ADC_TEMP */
139 	GPIO22_GPIO,				/* CORGI_GPIO_IR_ON */
140 	GPIO33_GPIO,				/* CORGI_GPIO_SD_PWR */
141 	GPIO38_GPIO | MFP_LPM_KEEP_OUTPUT,	/* CORGI_GPIO_CHRG_ON */
142 	GPIO43_GPIO | MFP_LPM_KEEP_OUTPUT,	/* CORGI_GPIO_CHRG_UKN */
143 	GPIO44_GPIO,				/* CORGI_GPIO_HSYNC */
144 
145 	GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH,	/* CORGI_GPIO_KEY_INT */
146 	GPIO1_GPIO | WAKEUP_ON_EDGE_RISE,	/* CORGI_GPIO_AC_IN */
147 	GPIO3_GPIO | WAKEUP_ON_EDGE_BOTH,	/* CORGI_GPIO_WAKEUP */
148 };
149 
150 /*
151  * Corgi SCOOP Device
152  */
153 static struct resource corgi_scoop_resources[] = {
154 	[0] = {
155 		.start		= 0x10800000,
156 		.end		= 0x10800fff,
157 		.flags		= IORESOURCE_MEM,
158 	},
159 };
160 
161 static struct scoop_config corgi_scoop_setup = {
162 	.io_dir 	= CORGI_SCOOP_IO_DIR,
163 	.io_out		= CORGI_SCOOP_IO_OUT,
164 	.gpio_base	= CORGI_SCOOP_GPIO_BASE,
165 };
166 
167 struct platform_device corgiscoop_device = {
168 	.name		= "sharp-scoop",
169 	.id		= -1,
170 	.dev		= {
171  		.platform_data	= &corgi_scoop_setup,
172 	},
173 	.num_resources	= ARRAY_SIZE(corgi_scoop_resources),
174 	.resource	= corgi_scoop_resources,
175 };
176 
177 static struct scoop_pcmcia_dev corgi_pcmcia_scoop[] = {
178 {
179 	.dev        = &corgiscoop_device.dev,
180 	.irq        = CORGI_IRQ_GPIO_CF_IRQ,
181 	.cd_irq     = CORGI_IRQ_GPIO_CF_CD,
182 	.cd_irq_str = "PCMCIA0 CD",
183 },
184 };
185 
186 static struct scoop_pcmcia_config corgi_pcmcia_config = {
187 	.devs         = &corgi_pcmcia_scoop[0],
188 	.num_devs     = 1,
189 };
190 
191 static struct w100_mem_info corgi_fb_mem = {
192 	.ext_cntl          = 0x00040003,
193 	.sdram_mode_reg    = 0x00650021,
194 	.ext_timing_cntl   = 0x10002a4a,
195 	.io_cntl           = 0x7ff87012,
196 	.size              = 0x1fffff,
197 };
198 
199 static struct w100_gen_regs corgi_fb_regs = {
200 	.lcd_format    = 0x00000003,
201 	.lcdd_cntl1    = 0x01CC0000,
202 	.lcdd_cntl2    = 0x0003FFFF,
203 	.genlcd_cntl1  = 0x00FFFF0D,
204 	.genlcd_cntl2  = 0x003F3003,
205 	.genlcd_cntl3  = 0x000102aa,
206 };
207 
208 static struct w100_gpio_regs corgi_fb_gpio = {
209 	.init_data1   = 0x000000bf,
210 	.init_data2   = 0x00000000,
211 	.gpio_dir1    = 0x00000000,
212 	.gpio_oe1     = 0x03c0feff,
213 	.gpio_dir2    = 0x00000000,
214 	.gpio_oe2     = 0x00000000,
215 };
216 
217 static struct w100_mode corgi_fb_modes[] = {
218 {
219 	.xres            = 480,
220 	.yres            = 640,
221 	.left_margin     = 0x56,
222 	.right_margin    = 0x55,
223 	.upper_margin    = 0x03,
224 	.lower_margin    = 0x00,
225 	.crtc_ss         = 0x82360056,
226 	.crtc_ls         = 0xA0280000,
227 	.crtc_gs         = 0x80280028,
228 	.crtc_vpos_gs    = 0x02830002,
229 	.crtc_rev        = 0x00400008,
230 	.crtc_dclk       = 0xA0000000,
231 	.crtc_gclk       = 0x8015010F,
232 	.crtc_goe        = 0x80100110,
233 	.crtc_ps1_active = 0x41060010,
234 	.pll_freq        = 75,
235 	.fast_pll_freq   = 100,
236 	.sysclk_src      = CLK_SRC_PLL,
237 	.sysclk_divider  = 0,
238 	.pixclk_src      = CLK_SRC_PLL,
239 	.pixclk_divider  = 2,
240 	.pixclk_divider_rotated = 6,
241 },{
242 	.xres            = 240,
243 	.yres            = 320,
244 	.left_margin     = 0x27,
245 	.right_margin    = 0x2e,
246 	.upper_margin    = 0x01,
247 	.lower_margin    = 0x00,
248 	.crtc_ss         = 0x81170027,
249 	.crtc_ls         = 0xA0140000,
250 	.crtc_gs         = 0xC0140014,
251 	.crtc_vpos_gs    = 0x00010141,
252 	.crtc_rev        = 0x00400008,
253 	.crtc_dclk       = 0xA0000000,
254 	.crtc_gclk       = 0x8015010F,
255 	.crtc_goe        = 0x80100110,
256 	.crtc_ps1_active = 0x41060010,
257 	.pll_freq        = 0,
258 	.fast_pll_freq   = 0,
259 	.sysclk_src      = CLK_SRC_XTAL,
260 	.sysclk_divider  = 0,
261 	.pixclk_src      = CLK_SRC_XTAL,
262 	.pixclk_divider  = 1,
263 	.pixclk_divider_rotated = 1,
264 },
265 
266 };
267 
268 static struct w100fb_mach_info corgi_fb_info = {
269 	.init_mode  = INIT_MODE_ROTATED,
270 	.mem        = &corgi_fb_mem,
271 	.regs       = &corgi_fb_regs,
272 	.modelist   = &corgi_fb_modes[0],
273 	.num_modes  = 2,
274 	.gpio       = &corgi_fb_gpio,
275 	.xtal_freq  = 12500000,
276 	.xtal_dbl   = 0,
277 };
278 
279 static struct resource corgi_fb_resources[] = {
280 	[0] = {
281 		.start   = 0x08000000,
282 		.end     = 0x08ffffff,
283 		.flags   = IORESOURCE_MEM,
284 	},
285 };
286 
287 static struct platform_device corgifb_device = {
288 	.name           = "w100fb",
289 	.id             = -1,
290 	.num_resources	= ARRAY_SIZE(corgi_fb_resources),
291 	.resource	= corgi_fb_resources,
292 	.dev            = {
293 		.platform_data = &corgi_fb_info,
294 	},
295 
296 };
297 
298 /*
299  * Corgi Keyboard Device
300  */
301 #define CORGI_KEY_CALENDER	KEY_F1
302 #define CORGI_KEY_ADDRESS	KEY_F2
303 #define CORGI_KEY_FN		KEY_F3
304 #define CORGI_KEY_CANCEL	KEY_F4
305 #define CORGI_KEY_OFF		KEY_SUSPEND
306 #define CORGI_KEY_EXOK		KEY_F5
307 #define CORGI_KEY_EXCANCEL	KEY_F6
308 #define CORGI_KEY_EXJOGDOWN	KEY_F7
309 #define CORGI_KEY_EXJOGUP	KEY_F8
310 #define CORGI_KEY_JAP1		KEY_LEFTCTRL
311 #define CORGI_KEY_JAP2		KEY_LEFTALT
312 #define CORGI_KEY_MAIL		KEY_F10
313 #define CORGI_KEY_OK		KEY_F11
314 #define CORGI_KEY_MENU		KEY_F12
315 
316 static const uint32_t corgikbd_keymap[] = {
317 	KEY(0, 1, KEY_1),
318 	KEY(0, 2, KEY_3),
319 	KEY(0, 3, KEY_5),
320 	KEY(0, 4, KEY_6),
321 	KEY(0, 5, KEY_7),
322 	KEY(0, 6, KEY_9),
323 	KEY(0, 7, KEY_0),
324 	KEY(0, 8, KEY_BACKSPACE),
325 	KEY(1, 1, KEY_2),
326 	KEY(1, 2, KEY_4),
327 	KEY(1, 3, KEY_R),
328 	KEY(1, 4, KEY_Y),
329 	KEY(1, 5, KEY_8),
330 	KEY(1, 6, KEY_I),
331 	KEY(1, 7, KEY_O),
332 	KEY(1, 8, KEY_P),
333 	KEY(2, 0, KEY_TAB),
334 	KEY(2, 1, KEY_Q),
335 	KEY(2, 2, KEY_E),
336 	KEY(2, 3, KEY_T),
337 	KEY(2, 4, KEY_G),
338 	KEY(2, 5, KEY_U),
339 	KEY(2, 6, KEY_J),
340 	KEY(2, 7, KEY_K),
341 	KEY(3, 0, CORGI_KEY_CALENDER),
342 	KEY(3, 1, KEY_W),
343 	KEY(3, 2, KEY_S),
344 	KEY(3, 3, KEY_F),
345 	KEY(3, 4, KEY_V),
346 	KEY(3, 5, KEY_H),
347 	KEY(3, 6, KEY_M),
348 	KEY(3, 7, KEY_L),
349 	KEY(3, 9, KEY_RIGHTSHIFT),
350 	KEY(4, 0, CORGI_KEY_ADDRESS),
351 	KEY(4, 1, KEY_A),
352 	KEY(4, 2, KEY_D),
353 	KEY(4, 3, KEY_C),
354 	KEY(4, 4, KEY_B),
355 	KEY(4, 5, KEY_N),
356 	KEY(4, 6, KEY_DOT),
357 	KEY(4, 8, KEY_ENTER),
358 	KEY(4, 10, KEY_LEFTSHIFT),
359 	KEY(5, 0, CORGI_KEY_MAIL),
360 	KEY(5, 1, KEY_Z),
361 	KEY(5, 2, KEY_X),
362 	KEY(5, 3, KEY_MINUS),
363 	KEY(5, 4, KEY_SPACE),
364 	KEY(5, 5, KEY_COMMA),
365 	KEY(5, 7, KEY_UP),
366 	KEY(5, 11, CORGI_KEY_FN),
367 	KEY(6, 0, KEY_SYSRQ),
368 	KEY(6, 1, CORGI_KEY_JAP1),
369 	KEY(6, 2, CORGI_KEY_JAP2),
370 	KEY(6, 3, CORGI_KEY_CANCEL),
371 	KEY(6, 4, CORGI_KEY_OK),
372 	KEY(6, 5, CORGI_KEY_MENU),
373 	KEY(6, 6, KEY_LEFT),
374 	KEY(6, 7, KEY_DOWN),
375 	KEY(6, 8, KEY_RIGHT),
376 	KEY(7, 0, CORGI_KEY_OFF),
377 	KEY(7, 1, CORGI_KEY_EXOK),
378 	KEY(7, 2, CORGI_KEY_EXCANCEL),
379 	KEY(7, 3, CORGI_KEY_EXJOGDOWN),
380 	KEY(7, 4, CORGI_KEY_EXJOGUP),
381 };
382 
383 static struct matrix_keymap_data corgikbd_keymap_data = {
384 	.keymap		= corgikbd_keymap,
385 	.keymap_size	= ARRAY_SIZE(corgikbd_keymap),
386 };
387 
388 static const int corgikbd_row_gpios[] =
389 		{ 58, 59, 60, 61, 62, 63, 64, 65 };
390 static const int corgikbd_col_gpios[] =
391 		{ 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77 };
392 
393 static struct matrix_keypad_platform_data corgikbd_pdata = {
394 	.keymap_data		= &corgikbd_keymap_data,
395 	.row_gpios		= corgikbd_row_gpios,
396 	.col_gpios		= corgikbd_col_gpios,
397 	.num_row_gpios		= ARRAY_SIZE(corgikbd_row_gpios),
398 	.num_col_gpios		= ARRAY_SIZE(corgikbd_col_gpios),
399 	.col_scan_delay_us	= 10,
400 	.debounce_ms		= 10,
401 	.wakeup			= 1,
402 };
403 
404 static struct platform_device corgikbd_device = {
405 	.name		= "matrix-keypad",
406 	.id		= -1,
407 	.dev		= {
408 		.platform_data = &corgikbd_pdata,
409 	},
410 };
411 
412 static struct gpio_keys_button corgi_gpio_keys[] = {
413 	{
414 		.type	= EV_SW,
415 		.code	= SW_LID,
416 		.gpio	= CORGI_GPIO_SWA,
417 		.desc	= "Lid close switch",
418 		.debounce_interval = 500,
419 	},
420 	{
421 		.type	= EV_SW,
422 		.code	= SW_TABLET_MODE,
423 		.gpio	= CORGI_GPIO_SWB,
424 		.desc	= "Tablet mode switch",
425 		.debounce_interval = 500,
426 	},
427 	{
428 		.type	= EV_SW,
429 		.code	= SW_HEADPHONE_INSERT,
430 		.gpio	= CORGI_GPIO_AK_INT,
431 		.desc	= "HeadPhone insert",
432 		.debounce_interval = 500,
433 	},
434 };
435 
436 static struct gpio_keys_platform_data corgi_gpio_keys_platform_data = {
437 	.buttons	= corgi_gpio_keys,
438 	.nbuttons	= ARRAY_SIZE(corgi_gpio_keys),
439 	.poll_interval	= 250,
440 };
441 
442 static struct platform_device corgi_gpio_keys_device = {
443 	.name	= "gpio-keys-polled",
444 	.id	= -1,
445 	.dev	= {
446 		.platform_data	= &corgi_gpio_keys_platform_data,
447 	},
448 };
449 
450 /*
451  * Corgi LEDs
452  */
453 static struct gpio_led corgi_gpio_leds[] = {
454 	{
455 		.name			= "corgi:amber:charge",
456 		.default_trigger	= "sharpsl-charge",
457 		.gpio			= CORGI_GPIO_LED_ORANGE,
458 	},
459 	{
460 		.name			= "corgi:green:mail",
461 		.default_trigger	= "nand-disk",
462 		.gpio			= CORGI_GPIO_LED_GREEN,
463 	},
464 };
465 
466 static struct gpio_led_platform_data corgi_gpio_leds_info = {
467 	.leds		= corgi_gpio_leds,
468 	.num_leds	= ARRAY_SIZE(corgi_gpio_leds),
469 };
470 
471 static struct platform_device corgiled_device = {
472 	.name		= "leds-gpio",
473 	.id		= -1,
474 	.dev		= {
475 		.platform_data = &corgi_gpio_leds_info,
476 	},
477 };
478 
479 /*
480  * Corgi Audio
481  */
482 static struct platform_device corgi_audio_device = {
483 	.name	= "corgi-audio",
484 	.id	= -1,
485 };
486 
487 /*
488  * MMC/SD Device
489  *
490  * The card detect interrupt isn't debounced so we delay it by 250ms
491  * to give the card a chance to fully insert/eject.
492  */
493 static struct pxamci_platform_data corgi_mci_platform_data = {
494 	.detect_delay_ms	= 250,
495 	.ocr_mask		= MMC_VDD_32_33|MMC_VDD_33_34,
496 	.gpio_card_detect	= CORGI_GPIO_nSD_DETECT,
497 	.gpio_card_ro		= CORGI_GPIO_nSD_WP,
498 	.gpio_power		= CORGI_GPIO_SD_PWR,
499 };
500 
501 
502 /*
503  * Irda
504  */
505 static struct pxaficp_platform_data corgi_ficp_platform_data = {
506 	.gpio_pwdown		= CORGI_GPIO_IR_ON,
507 	.transceiver_cap	= IR_SIRMODE | IR_OFF,
508 };
509 
510 
511 /*
512  * USB Device Controller
513  */
514 static struct pxa2xx_udc_mach_info udc_info __initdata = {
515 	/* no connect GPIO; corgi can't tell connection status */
516 	.gpio_pullup		= CORGI_GPIO_USB_PULLUP,
517 };
518 
519 #if IS_ENABLED(CONFIG_SPI_PXA2XX)
520 static struct pxa2xx_spi_master corgi_spi_info = {
521 	.num_chipselect	= 3,
522 };
523 
corgi_wait_for_hsync(void)524 static void corgi_wait_for_hsync(void)
525 {
526 	while (gpio_get_value(CORGI_GPIO_HSYNC))
527 		cpu_relax();
528 
529 	while (!gpio_get_value(CORGI_GPIO_HSYNC))
530 		cpu_relax();
531 }
532 
533 static struct ads7846_platform_data corgi_ads7846_info = {
534 	.model			= 7846,
535 	.vref_delay_usecs	= 100,
536 	.x_plate_ohms		= 419,
537 	.y_plate_ohms		= 486,
538 	.gpio_pendown		= CORGI_GPIO_TP_INT,
539 	.wait_for_sync		= corgi_wait_for_hsync,
540 };
541 
542 static struct pxa2xx_spi_chip corgi_ads7846_chip = {
543 	.gpio_cs	= CORGI_GPIO_ADS7846_CS,
544 };
545 
corgi_bl_kick_battery(void)546 static void corgi_bl_kick_battery(void)
547 {
548 	void (*kick_batt)(void);
549 
550 	kick_batt = symbol_get(sharpsl_battery_kick);
551 	if (kick_batt) {
552 		kick_batt();
553 		symbol_put(sharpsl_battery_kick);
554 	}
555 }
556 
557 static struct corgi_lcd_platform_data corgi_lcdcon_info = {
558 	.init_mode		= CORGI_LCD_MODE_VGA,
559 	.max_intensity		= 0x2f,
560 	.default_intensity	= 0x1f,
561 	.limit_mask		= 0x0b,
562 	.gpio_backlight_cont	= CORGI_GPIO_BACKLIGHT_CONT,
563 	.gpio_backlight_on	= -1,
564 	.kick_battery		= corgi_bl_kick_battery,
565 };
566 
567 static struct pxa2xx_spi_chip corgi_lcdcon_chip = {
568 	.gpio_cs	= CORGI_GPIO_LCDCON_CS,
569 };
570 
571 static struct pxa2xx_spi_chip corgi_max1111_chip = {
572 	.gpio_cs	= CORGI_GPIO_MAX1111_CS,
573 };
574 
575 static struct spi_board_info corgi_spi_devices[] = {
576 	{
577 		.modalias	= "ads7846",
578 		.max_speed_hz	= 1200000,
579 		.bus_num	= 1,
580 		.chip_select	= 0,
581 		.platform_data	= &corgi_ads7846_info,
582 		.controller_data= &corgi_ads7846_chip,
583 		.irq		= PXA_GPIO_TO_IRQ(CORGI_GPIO_TP_INT),
584 	}, {
585 		.modalias	= "corgi-lcd",
586 		.max_speed_hz	= 50000,
587 		.bus_num	= 1,
588 		.chip_select	= 1,
589 		.platform_data	= &corgi_lcdcon_info,
590 		.controller_data= &corgi_lcdcon_chip,
591 	}, {
592 		.modalias	= "max1111",
593 		.max_speed_hz	= 450000,
594 		.bus_num	= 1,
595 		.chip_select	= 2,
596 		.controller_data= &corgi_max1111_chip,
597 	},
598 };
599 
corgi_init_spi(void)600 static void __init corgi_init_spi(void)
601 {
602 	pxa2xx_set_spi_info(1, &corgi_spi_info);
603 	spi_register_board_info(ARRAY_AND_SIZE(corgi_spi_devices));
604 }
605 #else
corgi_init_spi(void)606 static inline void corgi_init_spi(void) {}
607 #endif
608 
609 static struct mtd_partition sharpsl_nand_partitions[] = {
610 	{
611 		.name = "System Area",
612 		.offset = 0,
613 		.size = 7 * 1024 * 1024,
614 	},
615 	{
616 		.name = "Root Filesystem",
617 		.offset = 7 * 1024 * 1024,
618 		.size = 25 * 1024 * 1024,
619 	},
620 	{
621 		.name = "Home Filesystem",
622 		.offset = MTDPART_OFS_APPEND,
623 		.size = MTDPART_SIZ_FULL,
624 	},
625 };
626 
627 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
628 
629 static struct nand_bbt_descr sharpsl_bbt = {
630 	.options = 0,
631 	.offs = 4,
632 	.len = 2,
633 	.pattern = scan_ff_pattern
634 };
635 
636 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
637 	.badblock_pattern	= &sharpsl_bbt,
638 	.partitions		= sharpsl_nand_partitions,
639 	.nr_partitions		= ARRAY_SIZE(sharpsl_nand_partitions),
640 };
641 
642 static struct resource sharpsl_nand_resources[] = {
643 	{
644 		.start	= 0x0C000000,
645 		.end	= 0x0C000FFF,
646 		.flags	= IORESOURCE_MEM,
647 	},
648 };
649 
650 static struct platform_device sharpsl_nand_device = {
651 	.name		= "sharpsl-nand",
652 	.id		= -1,
653 	.resource	= sharpsl_nand_resources,
654 	.num_resources	= ARRAY_SIZE(sharpsl_nand_resources),
655 	.dev.platform_data	= &sharpsl_nand_platform_data,
656 };
657 
658 static struct mtd_partition sharpsl_rom_parts[] = {
659 	{
660 		.name	="Boot PROM Filesystem",
661 		.offset	= 0x00120000,
662 		.size	= MTDPART_SIZ_FULL,
663 	},
664 };
665 
666 static struct physmap_flash_data sharpsl_rom_data = {
667 	.width		= 2,
668 	.nr_parts	= ARRAY_SIZE(sharpsl_rom_parts),
669 	.parts		= sharpsl_rom_parts,
670 };
671 
672 static struct resource sharpsl_rom_resources[] = {
673 	{
674 		.start	= 0x00000000,
675 		.end	= 0x007fffff,
676 		.flags	= IORESOURCE_MEM,
677 	},
678 };
679 
680 static struct platform_device sharpsl_rom_device = {
681 	.name	= "physmap-flash",
682 	.id	= -1,
683 	.resource = sharpsl_rom_resources,
684 	.num_resources = ARRAY_SIZE(sharpsl_rom_resources),
685 	.dev.platform_data = &sharpsl_rom_data,
686 };
687 
688 static struct platform_device *devices[] __initdata = {
689 	&corgiscoop_device,
690 	&corgifb_device,
691 	&corgi_gpio_keys_device,
692 	&corgikbd_device,
693 	&corgiled_device,
694 	&corgi_audio_device,
695 	&sharpsl_nand_device,
696 	&sharpsl_rom_device,
697 };
698 
699 static struct i2c_board_info __initdata corgi_i2c_devices[] = {
700 	{ I2C_BOARD_INFO("wm8731", 0x1b) },
701 };
702 
corgi_poweroff(void)703 static void corgi_poweroff(void)
704 {
705 	if (!machine_is_corgi())
706 		/* Green LED off tells the bootloader to halt */
707 		gpio_set_value(CORGI_GPIO_LED_GREEN, 0);
708 
709 	pxa_restart(REBOOT_HARD, NULL);
710 }
711 
corgi_restart(enum reboot_mode mode,const char * cmd)712 static void corgi_restart(enum reboot_mode mode, const char *cmd)
713 {
714 	if (!machine_is_corgi())
715 		/* Green LED on tells the bootloader to reboot */
716 		gpio_set_value(CORGI_GPIO_LED_GREEN, 1);
717 
718 	pxa_restart(REBOOT_HARD, cmd);
719 }
720 
corgi_init(void)721 static void __init corgi_init(void)
722 {
723 	pm_power_off = corgi_poweroff;
724 
725 	/* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
726 	PCFR |= PCFR_OPDE;
727 
728 	pxa2xx_mfp_config(ARRAY_AND_SIZE(corgi_pin_config));
729 
730 	/* allow wakeup from various GPIOs */
731 	gpio_set_wake(CORGI_GPIO_KEY_INT, 1);
732 	gpio_set_wake(CORGI_GPIO_WAKEUP, 1);
733 	gpio_set_wake(CORGI_GPIO_AC_IN, 1);
734 	gpio_set_wake(CORGI_GPIO_CHRG_FULL, 1);
735 
736 	if (!machine_is_corgi())
737 		gpio_set_wake(CORGI_GPIO_MAIN_BAT_LOW, 1);
738 
739 	pxa_set_ffuart_info(NULL);
740 	pxa_set_btuart_info(NULL);
741 	pxa_set_stuart_info(NULL);
742 
743 	corgi_init_spi();
744 
745  	pxa_set_udc_info(&udc_info);
746 	pxa_set_mci_info(&corgi_mci_platform_data);
747 	pxa_set_ficp_info(&corgi_ficp_platform_data);
748 	pxa_set_i2c_info(NULL);
749 	i2c_register_board_info(0, ARRAY_AND_SIZE(corgi_i2c_devices));
750 
751 	platform_scoop_config = &corgi_pcmcia_config;
752 
753 	if (machine_is_husky())
754 		sharpsl_nand_partitions[1].size = 53 * 1024 * 1024;
755 
756 	platform_add_devices(devices, ARRAY_SIZE(devices));
757 
758 	regulator_has_full_constraints();
759 }
760 
fixup_corgi(struct tag * tags,char ** cmdline)761 static void __init fixup_corgi(struct tag *tags, char **cmdline)
762 {
763 	sharpsl_save_param();
764 	if (machine_is_corgi())
765 		memblock_add(0xa0000000, SZ_32M);
766 	else
767 		memblock_add(0xa0000000, SZ_64M);
768 }
769 
770 #ifdef CONFIG_MACH_CORGI
771 MACHINE_START(CORGI, "SHARP Corgi")
772 	.fixup		= fixup_corgi,
773 	.map_io		= pxa25x_map_io,
774 	.nr_irqs	= PXA_NR_IRQS,
775 	.init_irq	= pxa25x_init_irq,
776 	.handle_irq	= pxa25x_handle_irq,
777 	.init_machine	= corgi_init,
778 	.init_time	= pxa_timer_init,
779 	.restart	= corgi_restart,
780 MACHINE_END
781 #endif
782 
783 #ifdef CONFIG_MACH_SHEPHERD
784 MACHINE_START(SHEPHERD, "SHARP Shepherd")
785 	.fixup		= fixup_corgi,
786 	.map_io		= pxa25x_map_io,
787 	.nr_irqs	= PXA_NR_IRQS,
788 	.init_irq	= pxa25x_init_irq,
789 	.handle_irq	= pxa25x_handle_irq,
790 	.init_machine	= corgi_init,
791 	.init_time	= pxa_timer_init,
792 	.restart	= corgi_restart,
793 MACHINE_END
794 #endif
795 
796 #ifdef CONFIG_MACH_HUSKY
797 MACHINE_START(HUSKY, "SHARP Husky")
798 	.fixup		= fixup_corgi,
799 	.map_io		= pxa25x_map_io,
800 	.nr_irqs	= PXA_NR_IRQS,
801 	.init_irq	= pxa25x_init_irq,
802 	.handle_irq	= pxa25x_handle_irq,
803 	.init_machine	= corgi_init,
804 	.init_time	= pxa_timer_init,
805 	.restart	= corgi_restart,
806 MACHINE_END
807 #endif
808 
809