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/init.h>
17 #include <linux/platform_device.h>
18 #include <linux/delay.h>
19 #include <linux/major.h>
20 #include <linux/fs.h>
21 #include <linux/interrupt.h>
22 #include <linux/gpio.h>
23 #include <linux/leds.h>
24 #include <linux/mmc/host.h>
25 #include <linux/mtd/physmap.h>
26 #include <linux/pm.h>
27 #include <linux/backlight.h>
28 #include <linux/io.h>
29 #include <linux/i2c.h>
30 #include <linux/i2c/pca953x.h>
31 #include <linux/spi/spi.h>
32 #include <linux/spi/ads7846.h>
33 #include <linux/spi/corgi_lcd.h>
34 #include <linux/mtd/sharpsl.h>
35
36 #include <asm/setup.h>
37 #include <asm/memory.h>
38 #include <asm/mach-types.h>
39 #include <mach/hardware.h>
40 #include <asm/irq.h>
41 #include <asm/system.h>
42
43 #include <asm/mach/arch.h>
44 #include <asm/mach/map.h>
45 #include <asm/mach/irq.h>
46
47 #include <mach/pxa-regs.h>
48 #include <mach/pxa2xx-regs.h>
49 #include <mach/mfp-pxa27x.h>
50 #include <mach/pxa27x-udc.h>
51 #include <mach/reset.h>
52 #include <mach/i2c.h>
53 #include <mach/irda.h>
54 #include <mach/mmc.h>
55 #include <mach/ohci.h>
56 #include <mach/udc.h>
57 #include <mach/pxafb.h>
58 #include <mach/pxa2xx_spi.h>
59 #include <mach/spitz.h>
60 #include <mach/sharpsl.h>
61
62 #include <asm/mach/sharpsl_param.h>
63 #include <asm/hardware/scoop.h>
64
65 #include "generic.h"
66 #include "devices.h"
67 #include "sharpsl.h"
68
69 static unsigned long spitz_pin_config[] __initdata = {
70 /* Chip Selects */
71 GPIO78_nCS_2, /* SCOOP #2 */
72 GPIO79_nCS_3, /* NAND */
73 GPIO80_nCS_4, /* SCOOP #1 */
74
75 /* LCD - 16bpp Active TFT */
76 GPIO58_LCD_LDD_0,
77 GPIO59_LCD_LDD_1,
78 GPIO60_LCD_LDD_2,
79 GPIO61_LCD_LDD_3,
80 GPIO62_LCD_LDD_4,
81 GPIO63_LCD_LDD_5,
82 GPIO64_LCD_LDD_6,
83 GPIO65_LCD_LDD_7,
84 GPIO66_LCD_LDD_8,
85 GPIO67_LCD_LDD_9,
86 GPIO68_LCD_LDD_10,
87 GPIO69_LCD_LDD_11,
88 GPIO70_LCD_LDD_12,
89 GPIO71_LCD_LDD_13,
90 GPIO72_LCD_LDD_14,
91 GPIO73_LCD_LDD_15,
92 GPIO74_LCD_FCLK,
93 GPIO75_LCD_LCLK,
94 GPIO76_LCD_PCLK,
95
96 /* PC Card */
97 GPIO48_nPOE,
98 GPIO49_nPWE,
99 GPIO50_nPIOR,
100 GPIO51_nPIOW,
101 GPIO85_nPCE_1,
102 GPIO54_nPCE_2,
103 GPIO55_nPREG,
104 GPIO56_nPWAIT,
105 GPIO57_nIOIS16,
106 GPIO104_PSKTSEL,
107
108 /* MMC */
109 GPIO32_MMC_CLK,
110 GPIO112_MMC_CMD,
111 GPIO92_MMC_DAT_0,
112 GPIO109_MMC_DAT_1,
113 GPIO110_MMC_DAT_2,
114 GPIO111_MMC_DAT_3,
115
116 /* GPIOs */
117 GPIO9_GPIO, /* SPITZ_GPIO_nSD_DETECT */
118 GPIO81_GPIO, /* SPITZ_GPIO_nSD_WP */
119 GPIO41_GPIO, /* SPITZ_GPIO_USB_CONNECT */
120 GPIO37_GPIO, /* SPITZ_GPIO_USB_HOST */
121 GPIO35_GPIO, /* SPITZ_GPIO_USB_DEVICE */
122 GPIO22_GPIO, /* SPITZ_GPIO_HSYNC */
123 GPIO94_GPIO, /* SPITZ_GPIO_CF_CD */
124 GPIO105_GPIO, /* SPITZ_GPIO_CF_IRQ */
125 GPIO106_GPIO, /* SPITZ_GPIO_CF2_IRQ */
126
127 /* I2C */
128 GPIO117_I2C_SCL,
129 GPIO118_I2C_SDA,
130
131 GPIO1_GPIO | WAKEUP_ON_EDGE_RISE,
132 };
133
134 /*
135 * Spitz SCOOP Device #1
136 */
137 static struct resource spitz_scoop_resources[] = {
138 [0] = {
139 .start = 0x10800000,
140 .end = 0x10800fff,
141 .flags = IORESOURCE_MEM,
142 },
143 };
144
145 static struct scoop_config spitz_scoop_setup = {
146 .io_dir = SPITZ_SCP_IO_DIR,
147 .io_out = SPITZ_SCP_IO_OUT,
148 .suspend_clr = SPITZ_SCP_SUS_CLR,
149 .suspend_set = SPITZ_SCP_SUS_SET,
150 .gpio_base = SPITZ_SCP_GPIO_BASE,
151 };
152
153 struct platform_device spitzscoop_device = {
154 .name = "sharp-scoop",
155 .id = 0,
156 .dev = {
157 .platform_data = &spitz_scoop_setup,
158 },
159 .num_resources = ARRAY_SIZE(spitz_scoop_resources),
160 .resource = spitz_scoop_resources,
161 };
162
163 /*
164 * Spitz SCOOP Device #2
165 */
166 static struct resource spitz_scoop2_resources[] = {
167 [0] = {
168 .start = 0x08800040,
169 .end = 0x08800fff,
170 .flags = IORESOURCE_MEM,
171 },
172 };
173
174 static struct scoop_config spitz_scoop2_setup = {
175 .io_dir = SPITZ_SCP2_IO_DIR,
176 .io_out = SPITZ_SCP2_IO_OUT,
177 .suspend_clr = SPITZ_SCP2_SUS_CLR,
178 .suspend_set = SPITZ_SCP2_SUS_SET,
179 .gpio_base = SPITZ_SCP2_GPIO_BASE,
180 };
181
182 struct platform_device spitzscoop2_device = {
183 .name = "sharp-scoop",
184 .id = 1,
185 .dev = {
186 .platform_data = &spitz_scoop2_setup,
187 },
188 .num_resources = ARRAY_SIZE(spitz_scoop2_resources),
189 .resource = spitz_scoop2_resources,
190 };
191
192 #define SPITZ_PWR_SD 0x01
193 #define SPITZ_PWR_CF 0x02
194
195 /* Power control is shared with between one of the CF slots and SD */
spitz_card_pwr_ctrl(int device,unsigned short new_cpr)196 static void spitz_card_pwr_ctrl(int device, unsigned short new_cpr)
197 {
198 unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR);
199
200 if (new_cpr & 0x0007) {
201 gpio_set_value(SPITZ_GPIO_CF_POWER, 1);
202 if (!(cpr & 0x0002) && !(cpr & 0x0004))
203 mdelay(5);
204 if (device == SPITZ_PWR_CF)
205 cpr |= 0x0002;
206 if (device == SPITZ_PWR_SD)
207 cpr |= 0x0004;
208 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
209 } else {
210 if (device == SPITZ_PWR_CF)
211 cpr &= ~0x0002;
212 if (device == SPITZ_PWR_SD)
213 cpr &= ~0x0004;
214 if (!(cpr & 0x0002) && !(cpr & 0x0004)) {
215 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, 0x0000);
216 mdelay(1);
217 gpio_set_value(SPITZ_GPIO_CF_POWER, 0);
218 } else {
219 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
220 }
221 }
222 }
223
spitz_pcmcia_pwr(struct device * scoop,unsigned short cpr,int nr)224 static void spitz_pcmcia_pwr(struct device *scoop, unsigned short cpr, int nr)
225 {
226 /* Only need to override behaviour for slot 0 */
227 if (nr == 0)
228 spitz_card_pwr_ctrl(SPITZ_PWR_CF, cpr);
229 else
230 write_scoop_reg(scoop, SCOOP_CPR, cpr);
231 }
232
233 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
234 {
235 .dev = &spitzscoop_device.dev,
236 .irq = SPITZ_IRQ_GPIO_CF_IRQ,
237 .cd_irq = SPITZ_IRQ_GPIO_CF_CD,
238 .cd_irq_str = "PCMCIA0 CD",
239 },{
240 .dev = &spitzscoop2_device.dev,
241 .irq = SPITZ_IRQ_GPIO_CF2_IRQ,
242 .cd_irq = -1,
243 },
244 };
245
246 static struct scoop_pcmcia_config spitz_pcmcia_config = {
247 .devs = &spitz_pcmcia_scoop[0],
248 .num_devs = 2,
249 .power_ctrl = spitz_pcmcia_pwr,
250 };
251
252 EXPORT_SYMBOL(spitzscoop_device);
253 EXPORT_SYMBOL(spitzscoop2_device);
254
255 /*
256 * Spitz Keyboard Device
257 */
258 static struct platform_device spitzkbd_device = {
259 .name = "spitz-keyboard",
260 .id = -1,
261 };
262
263
264 /*
265 * Spitz LEDs
266 */
267 static struct gpio_led spitz_gpio_leds[] = {
268 {
269 .name = "spitz:amber:charge",
270 .default_trigger = "sharpsl-charge",
271 .gpio = SPITZ_GPIO_LED_ORANGE,
272 },
273 {
274 .name = "spitz:green:hddactivity",
275 .default_trigger = "ide-disk",
276 .gpio = SPITZ_GPIO_LED_GREEN,
277 },
278 };
279
280 static struct gpio_led_platform_data spitz_gpio_leds_info = {
281 .leds = spitz_gpio_leds,
282 .num_leds = ARRAY_SIZE(spitz_gpio_leds),
283 };
284
285 static struct platform_device spitzled_device = {
286 .name = "leds-gpio",
287 .id = -1,
288 .dev = {
289 .platform_data = &spitz_gpio_leds_info,
290 },
291 };
292
293 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
294 static struct pxa2xx_spi_master spitz_spi_info = {
295 .num_chipselect = 3,
296 };
297
298 static struct ads7846_platform_data spitz_ads7846_info = {
299 .model = 7846,
300 .vref_delay_usecs = 100,
301 .x_plate_ohms = 419,
302 .y_plate_ohms = 486,
303 .gpio_pendown = SPITZ_GPIO_TP_INT,
304 };
305
spitz_ads7846_cs(u32 command)306 static void spitz_ads7846_cs(u32 command)
307 {
308 gpio_set_value(SPITZ_GPIO_ADS7846_CS, !(command == PXA2XX_CS_ASSERT));
309 }
310
311 static struct pxa2xx_spi_chip spitz_ads7846_chip = {
312 .cs_control = spitz_ads7846_cs,
313 };
314
spitz_bl_kick_battery(void)315 static void spitz_bl_kick_battery(void)
316 {
317 void (*kick_batt)(void);
318
319 kick_batt = symbol_get(sharpsl_battery_kick);
320 if (kick_batt) {
321 kick_batt();
322 symbol_put(sharpsl_battery_kick);
323 }
324 }
325
326 static struct corgi_lcd_platform_data spitz_lcdcon_info = {
327 .init_mode = CORGI_LCD_MODE_VGA,
328 .max_intensity = 0x2f,
329 .default_intensity = 0x1f,
330 .limit_mask = 0x0b,
331 .gpio_backlight_cont = SPITZ_GPIO_BACKLIGHT_CONT,
332 .gpio_backlight_on = SPITZ_GPIO_BACKLIGHT_ON,
333 .kick_battery = spitz_bl_kick_battery,
334 };
335
spitz_lcdcon_cs(u32 command)336 static void spitz_lcdcon_cs(u32 command)
337 {
338 gpio_set_value(SPITZ_GPIO_LCDCON_CS, !(command == PXA2XX_CS_ASSERT));
339 }
340
341 static struct pxa2xx_spi_chip spitz_lcdcon_chip = {
342 .cs_control = spitz_lcdcon_cs,
343 };
344
spitz_max1111_cs(u32 command)345 static void spitz_max1111_cs(u32 command)
346 {
347 gpio_set_value(SPITZ_GPIO_MAX1111_CS, !(command == PXA2XX_CS_ASSERT));
348 }
349
350 static struct pxa2xx_spi_chip spitz_max1111_chip = {
351 .cs_control = spitz_max1111_cs,
352 };
353
354 static struct spi_board_info spitz_spi_devices[] = {
355 {
356 .modalias = "ads7846",
357 .max_speed_hz = 1200000,
358 .bus_num = 2,
359 .chip_select = 0,
360 .platform_data = &spitz_ads7846_info,
361 .controller_data= &spitz_ads7846_chip,
362 .irq = gpio_to_irq(SPITZ_GPIO_TP_INT),
363 }, {
364 .modalias = "corgi-lcd",
365 .max_speed_hz = 50000,
366 .bus_num = 2,
367 .chip_select = 1,
368 .platform_data = &spitz_lcdcon_info,
369 .controller_data= &spitz_lcdcon_chip,
370 }, {
371 .modalias = "max1111",
372 .max_speed_hz = 450000,
373 .bus_num = 2,
374 .chip_select = 2,
375 .controller_data= &spitz_max1111_chip,
376 },
377 };
378
spitz_init_spi(void)379 static void __init spitz_init_spi(void)
380 {
381 int err;
382
383 err = gpio_request(SPITZ_GPIO_ADS7846_CS, "ADS7846_CS");
384 if (err)
385 return;
386
387 err = gpio_request(SPITZ_GPIO_LCDCON_CS, "LCDCON_CS");
388 if (err)
389 goto err_free_1;
390
391 err = gpio_request(SPITZ_GPIO_MAX1111_CS, "MAX1111_CS");
392 if (err)
393 goto err_free_2;
394
395 err = gpio_direction_output(SPITZ_GPIO_ADS7846_CS, 1);
396 if (err)
397 goto err_free_3;
398 err = gpio_direction_output(SPITZ_GPIO_LCDCON_CS, 1);
399 if (err)
400 goto err_free_3;
401 err = gpio_direction_output(SPITZ_GPIO_MAX1111_CS, 1);
402 if (err)
403 goto err_free_3;
404
405 if (machine_is_akita()) {
406 spitz_lcdcon_info.gpio_backlight_cont = AKITA_GPIO_BACKLIGHT_CONT;
407 spitz_lcdcon_info.gpio_backlight_on = AKITA_GPIO_BACKLIGHT_ON;
408 }
409
410 pxa2xx_set_spi_info(2, &spitz_spi_info);
411 spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
412 return;
413
414 err_free_3:
415 gpio_free(SPITZ_GPIO_MAX1111_CS);
416 err_free_2:
417 gpio_free(SPITZ_GPIO_LCDCON_CS);
418 err_free_1:
419 gpio_free(SPITZ_GPIO_ADS7846_CS);
420 }
421 #else
spitz_init_spi(void)422 static inline void spitz_init_spi(void) {}
423 #endif
424
425 /*
426 * MMC/SD Device
427 *
428 * The card detect interrupt isn't debounced so we delay it by 250ms
429 * to give the card a chance to fully insert/eject.
430 */
431
432 static struct pxamci_platform_data spitz_mci_platform_data;
433
spitz_mci_init(struct device * dev,irq_handler_t spitz_detect_int,void * data)434 static int spitz_mci_init(struct device *dev, irq_handler_t spitz_detect_int, void *data)
435 {
436 int err;
437
438 err = gpio_request(SPITZ_GPIO_nSD_DETECT, "nSD_DETECT");
439 if (err)
440 goto err_out;
441
442 err = gpio_request(SPITZ_GPIO_nSD_WP, "nSD_WP");
443 if (err)
444 goto err_free_1;
445
446 gpio_direction_input(SPITZ_GPIO_nSD_DETECT);
447 gpio_direction_input(SPITZ_GPIO_nSD_WP);
448
449 spitz_mci_platform_data.detect_delay = msecs_to_jiffies(250);
450
451 err = request_irq(SPITZ_IRQ_GPIO_nSD_DETECT, spitz_detect_int,
452 IRQF_DISABLED | IRQF_TRIGGER_RISING |
453 IRQF_TRIGGER_FALLING,
454 "MMC card detect", data);
455 if (err) {
456 pr_err("%s: MMC/SD: can't request MMC card detect IRQ\n",
457 __func__);
458 goto err_free_2;
459 }
460 return 0;
461
462 err_free_2:
463 gpio_free(SPITZ_GPIO_nSD_WP);
464 err_free_1:
465 gpio_free(SPITZ_GPIO_nSD_DETECT);
466 err_out:
467 return err;
468 }
469
spitz_mci_setpower(struct device * dev,unsigned int vdd)470 static void spitz_mci_setpower(struct device *dev, unsigned int vdd)
471 {
472 struct pxamci_platform_data* p_d = dev->platform_data;
473
474 if (( 1 << vdd) & p_d->ocr_mask)
475 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0004);
476 else
477 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0000);
478 }
479
spitz_mci_get_ro(struct device * dev)480 static int spitz_mci_get_ro(struct device *dev)
481 {
482 return gpio_get_value(SPITZ_GPIO_nSD_WP);
483 }
484
spitz_mci_exit(struct device * dev,void * data)485 static void spitz_mci_exit(struct device *dev, void *data)
486 {
487 free_irq(SPITZ_IRQ_GPIO_nSD_DETECT, data);
488 gpio_free(SPITZ_GPIO_nSD_WP);
489 gpio_free(SPITZ_GPIO_nSD_DETECT);
490 }
491
492 static struct pxamci_platform_data spitz_mci_platform_data = {
493 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
494 .init = spitz_mci_init,
495 .get_ro = spitz_mci_get_ro,
496 .setpower = spitz_mci_setpower,
497 .exit = spitz_mci_exit,
498 };
499
500
501 /*
502 * USB Host (OHCI)
503 */
spitz_ohci_init(struct device * dev)504 static int spitz_ohci_init(struct device *dev)
505 {
506 int err;
507
508 err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST");
509 if (err)
510 return err;
511
512 /* Only Port 2 is connected
513 * Setup USB Port 2 Output Control Register
514 */
515 UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
516
517 return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
518 }
519
520 static struct pxaohci_platform_data spitz_ohci_platform_data = {
521 .port_mode = PMM_NPS_MODE,
522 .init = spitz_ohci_init,
523 .flags = ENABLE_PORT_ALL | NO_OC_PROTECTION,
524 .power_budget = 150,
525 };
526
527
528 /*
529 * Irda
530 */
spitz_irda_startup(struct device * dev)531 static int spitz_irda_startup(struct device *dev)
532 {
533 int rc;
534
535 rc = gpio_request(SPITZ_GPIO_IR_ON, "IrDA on");
536 if (rc)
537 goto err;
538
539 rc = gpio_direction_output(SPITZ_GPIO_IR_ON, 1);
540 if (rc)
541 goto err_dir;
542
543 return 0;
544
545 err_dir:
546 gpio_free(SPITZ_GPIO_IR_ON);
547 err:
548 return rc;
549 }
550
spitz_irda_shutdown(struct device * dev)551 static void spitz_irda_shutdown(struct device *dev)
552 {
553 gpio_free(SPITZ_GPIO_IR_ON);
554 }
555
spitz_irda_transceiver_mode(struct device * dev,int mode)556 static void spitz_irda_transceiver_mode(struct device *dev, int mode)
557 {
558 gpio_set_value(SPITZ_GPIO_IR_ON, mode & IR_OFF);
559 pxa2xx_transceiver_mode(dev, mode);
560 }
561
562 #ifdef CONFIG_MACH_AKITA
akita_irda_transceiver_mode(struct device * dev,int mode)563 static void akita_irda_transceiver_mode(struct device *dev, int mode)
564 {
565 gpio_set_value(AKITA_GPIO_IR_ON, mode & IR_OFF);
566 pxa2xx_transceiver_mode(dev, mode);
567 }
568 #endif
569
570 static struct pxaficp_platform_data spitz_ficp_platform_data = {
571 .transceiver_cap = IR_SIRMODE | IR_OFF,
572 .transceiver_mode = spitz_irda_transceiver_mode,
573 .startup = spitz_irda_startup,
574 .shutdown = spitz_irda_shutdown,
575 };
576
577
578 /*
579 * Spitz PXA Framebuffer
580 */
581
582 static struct pxafb_mode_info spitz_pxafb_modes[] = {
583 {
584 .pixclock = 19231,
585 .xres = 480,
586 .yres = 640,
587 .bpp = 16,
588 .hsync_len = 40,
589 .left_margin = 46,
590 .right_margin = 125,
591 .vsync_len = 3,
592 .upper_margin = 1,
593 .lower_margin = 0,
594 .sync = 0,
595 },{
596 .pixclock = 134617,
597 .xres = 240,
598 .yres = 320,
599 .bpp = 16,
600 .hsync_len = 20,
601 .left_margin = 20,
602 .right_margin = 46,
603 .vsync_len = 2,
604 .upper_margin = 1,
605 .lower_margin = 0,
606 .sync = 0,
607 },
608 };
609
610 static struct pxafb_mach_info spitz_pxafb_info = {
611 .modes = &spitz_pxafb_modes[0],
612 .num_modes = 2,
613 .fixed_modes = 1,
614 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
615 };
616
617 static struct mtd_partition sharpsl_nand_partitions[] = {
618 {
619 .name = "System Area",
620 .offset = 0,
621 .size = 7 * 1024 * 1024,
622 },
623 {
624 .name = "Root Filesystem",
625 .offset = 7 * 1024 * 1024,
626 },
627 {
628 .name = "Home Filesystem",
629 .offset = MTDPART_OFS_APPEND,
630 .size = MTDPART_SIZ_FULL,
631 },
632 };
633
634 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
635
636 static struct nand_bbt_descr sharpsl_bbt = {
637 .options = 0,
638 .offs = 4,
639 .len = 2,
640 .pattern = scan_ff_pattern
641 };
642
643 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
644 .badblock_pattern = &sharpsl_bbt,
645 .partitions = sharpsl_nand_partitions,
646 .nr_partitions = ARRAY_SIZE(sharpsl_nand_partitions),
647 };
648
649 static struct resource sharpsl_nand_resources[] = {
650 {
651 .start = 0x0C000000,
652 .end = 0x0C000FFF,
653 .flags = IORESOURCE_MEM,
654 },
655 };
656
657 static struct platform_device sharpsl_nand_device = {
658 .name = "sharpsl-nand",
659 .id = -1,
660 .resource = sharpsl_nand_resources,
661 .num_resources = ARRAY_SIZE(sharpsl_nand_resources),
662 .dev.platform_data = &sharpsl_nand_platform_data,
663 };
664
665
666 static struct mtd_partition sharpsl_rom_parts[] = {
667 {
668 .name ="Boot PROM Filesystem",
669 .offset = 0x00140000,
670 .size = MTDPART_SIZ_FULL,
671 },
672 };
673
674 static struct physmap_flash_data sharpsl_rom_data = {
675 .width = 2,
676 .nr_parts = ARRAY_SIZE(sharpsl_rom_parts),
677 .parts = sharpsl_rom_parts,
678 };
679
680 static struct resource sharpsl_rom_resources[] = {
681 {
682 .start = 0x00000000,
683 .end = 0x007fffff,
684 .flags = IORESOURCE_MEM,
685 },
686 };
687
688 static struct platform_device sharpsl_rom_device = {
689 .name = "physmap-flash",
690 .id = -1,
691 .resource = sharpsl_rom_resources,
692 .num_resources = ARRAY_SIZE(sharpsl_rom_resources),
693 .dev.platform_data = &sharpsl_rom_data,
694 };
695
696 static struct platform_device *devices[] __initdata = {
697 &spitzscoop_device,
698 &spitzkbd_device,
699 &spitzled_device,
700 &sharpsl_nand_device,
701 &sharpsl_rom_device,
702 };
703
spitz_poweroff(void)704 static void spitz_poweroff(void)
705 {
706 arm_machine_restart('g');
707 }
708
spitz_restart(char mode)709 static void spitz_restart(char mode)
710 {
711 /* Bootloader magic for a reboot */
712 if((MSC0 & 0xffff0000) == 0x7ff00000)
713 MSC0 = (MSC0 & 0xffff) | 0x7ee00000;
714
715 spitz_poweroff();
716 }
717
common_init(void)718 static void __init common_init(void)
719 {
720 init_gpio_reset(SPITZ_GPIO_ON_RESET, 1);
721 pm_power_off = spitz_poweroff;
722 arm_pm_restart = spitz_restart;
723
724 if (machine_is_spitz()) {
725 sharpsl_nand_partitions[1].size = 5 * 1024 * 1024;
726 } else if (machine_is_akita()) {
727 sharpsl_nand_partitions[1].size = 58 * 1024 * 1024;
728 } else if (machine_is_borzoi()) {
729 sharpsl_nand_partitions[1].size = 32 * 1024 * 1024;
730 }
731
732 PMCR = 0x00;
733
734 /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
735 PCFR |= PCFR_OPDE;
736
737 pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));
738
739 spitz_init_spi();
740
741 platform_add_devices(devices, ARRAY_SIZE(devices));
742 pxa_set_mci_info(&spitz_mci_platform_data);
743 pxa_set_ohci_info(&spitz_ohci_platform_data);
744 pxa_set_ficp_info(&spitz_ficp_platform_data);
745 set_pxa_fb_info(&spitz_pxafb_info);
746 pxa_set_i2c_info(NULL);
747 }
748
749 #if defined(CONFIG_MACH_SPITZ) || defined(CONFIG_MACH_BORZOI)
spitz_init(void)750 static void __init spitz_init(void)
751 {
752 platform_scoop_config = &spitz_pcmcia_config;
753
754 common_init();
755
756 platform_device_register(&spitzscoop2_device);
757 }
758 #endif
759
760 #ifdef CONFIG_MACH_AKITA
761 /*
762 * Akita IO Expander
763 */
764 static struct pca953x_platform_data akita_ioexp = {
765 .gpio_base = AKITA_IOEXP_GPIO_BASE,
766 };
767
768 static struct i2c_board_info akita_i2c_board_info[] = {
769 {
770 .type = "max7310",
771 .addr = 0x18,
772 .platform_data = &akita_ioexp,
773 },
774 };
775
776 static struct nand_bbt_descr sharpsl_akita_bbt = {
777 .options = 0,
778 .offs = 4,
779 .len = 1,
780 .pattern = scan_ff_pattern
781 };
782
783 static struct nand_ecclayout akita_oobinfo = {
784 .eccbytes = 24,
785 .eccpos = {
786 0x5, 0x1, 0x2, 0x3, 0x6, 0x7, 0x15, 0x11,
787 0x12, 0x13, 0x16, 0x17, 0x25, 0x21, 0x22, 0x23,
788 0x26, 0x27, 0x35, 0x31, 0x32, 0x33, 0x36, 0x37},
789 .oobfree = {{0x08, 0x09}}
790 };
791
akita_init(void)792 static void __init akita_init(void)
793 {
794 spitz_ficp_platform_data.transceiver_mode = akita_irda_transceiver_mode;
795
796 sharpsl_nand_platform_data.badblock_pattern = &sharpsl_akita_bbt;
797 sharpsl_nand_platform_data.ecc_layout = &akita_oobinfo;
798
799 /* We just pretend the second element of the array doesn't exist */
800 spitz_pcmcia_config.num_devs = 1;
801 platform_scoop_config = &spitz_pcmcia_config;
802
803 i2c_register_board_info(0, ARRAY_AND_SIZE(akita_i2c_board_info));
804
805 common_init();
806 }
807 #endif
808
fixup_spitz(struct machine_desc * desc,struct tag * tags,char ** cmdline,struct meminfo * mi)809 static void __init fixup_spitz(struct machine_desc *desc,
810 struct tag *tags, char **cmdline, struct meminfo *mi)
811 {
812 sharpsl_save_param();
813 mi->nr_banks = 1;
814 mi->bank[0].start = 0xa0000000;
815 mi->bank[0].node = 0;
816 mi->bank[0].size = (64*1024*1024);
817 }
818
819 #ifdef CONFIG_MACH_SPITZ
820 MACHINE_START(SPITZ, "SHARP Spitz")
821 .phys_io = 0x40000000,
822 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
823 .fixup = fixup_spitz,
824 .map_io = pxa_map_io,
825 .init_irq = pxa27x_init_irq,
826 .init_machine = spitz_init,
827 .timer = &pxa_timer,
828 MACHINE_END
829 #endif
830
831 #ifdef CONFIG_MACH_BORZOI
832 MACHINE_START(BORZOI, "SHARP Borzoi")
833 .phys_io = 0x40000000,
834 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
835 .fixup = fixup_spitz,
836 .map_io = pxa_map_io,
837 .init_irq = pxa27x_init_irq,
838 .init_machine = spitz_init,
839 .timer = &pxa_timer,
840 MACHINE_END
841 #endif
842
843 #ifdef CONFIG_MACH_AKITA
844 MACHINE_START(AKITA, "SHARP Akita")
845 .phys_io = 0x40000000,
846 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
847 .fixup = fixup_spitz,
848 .map_io = pxa_map_io,
849 .init_irq = pxa27x_init_irq,
850 .init_machine = akita_init,
851 .timer = &pxa_timer,
852 MACHINE_END
853 #endif
854