]> git.karo-electronics.de Git - mv-sheeva.git/blob - arch/arm/mach-pxa/spitz.c
Merge branch 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
[mv-sheeva.git] / arch / arm / mach-pxa / spitz.c
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/pxa27x.h>
48 #include <mach/pxa27x-udc.h>
49 #include <mach/reset.h>
50 #include <mach/i2c.h>
51 #include <mach/irda.h>
52 #include <mach/mmc.h>
53 #include <mach/ohci.h>
54 #include <mach/udc.h>
55 #include <mach/pxafb.h>
56 #include <mach/pxa2xx_spi.h>
57 #include <mach/spitz.h>
58 #include <mach/sharpsl.h>
59
60 #include <asm/mach/sharpsl_param.h>
61 #include <asm/hardware/scoop.h>
62
63 #include "generic.h"
64 #include "devices.h"
65 #include "sharpsl.h"
66
67 static unsigned long spitz_pin_config[] __initdata = {
68         /* Chip Selects */
69         GPIO78_nCS_2,   /* SCOOP #2 */
70         GPIO79_nCS_3,   /* NAND */
71         GPIO80_nCS_4,   /* SCOOP #1 */
72
73         /* LCD - 16bpp Active TFT */
74         GPIO58_LCD_LDD_0,
75         GPIO59_LCD_LDD_1,
76         GPIO60_LCD_LDD_2,
77         GPIO61_LCD_LDD_3,
78         GPIO62_LCD_LDD_4,
79         GPIO63_LCD_LDD_5,
80         GPIO64_LCD_LDD_6,
81         GPIO65_LCD_LDD_7,
82         GPIO66_LCD_LDD_8,
83         GPIO67_LCD_LDD_9,
84         GPIO68_LCD_LDD_10,
85         GPIO69_LCD_LDD_11,
86         GPIO70_LCD_LDD_12,
87         GPIO71_LCD_LDD_13,
88         GPIO72_LCD_LDD_14,
89         GPIO73_LCD_LDD_15,
90         GPIO74_LCD_FCLK,
91         GPIO75_LCD_LCLK,
92         GPIO76_LCD_PCLK,
93
94         /* PC Card */
95         GPIO48_nPOE,
96         GPIO49_nPWE,
97         GPIO50_nPIOR,
98         GPIO51_nPIOW,
99         GPIO85_nPCE_1,
100         GPIO54_nPCE_2,
101         GPIO55_nPREG,
102         GPIO56_nPWAIT,
103         GPIO57_nIOIS16,
104         GPIO104_PSKTSEL,
105
106         /* I2S */
107         GPIO28_I2S_BITCLK_OUT,
108         GPIO29_I2S_SDATA_IN,
109         GPIO30_I2S_SDATA_OUT,
110         GPIO31_I2S_SYNC,
111
112         /* MMC */
113         GPIO32_MMC_CLK,
114         GPIO112_MMC_CMD,
115         GPIO92_MMC_DAT_0,
116         GPIO109_MMC_DAT_1,
117         GPIO110_MMC_DAT_2,
118         GPIO111_MMC_DAT_3,
119
120         /* GPIOs */
121         GPIO9_GPIO,     /* SPITZ_GPIO_nSD_DETECT */
122         GPIO81_GPIO,    /* SPITZ_GPIO_nSD_WP */
123         GPIO41_GPIO,    /* SPITZ_GPIO_USB_CONNECT */
124         GPIO37_GPIO,    /* SPITZ_GPIO_USB_HOST */
125         GPIO35_GPIO,    /* SPITZ_GPIO_USB_DEVICE */
126         GPIO22_GPIO,    /* SPITZ_GPIO_HSYNC */
127         GPIO94_GPIO,    /* SPITZ_GPIO_CF_CD */
128         GPIO105_GPIO,   /* SPITZ_GPIO_CF_IRQ */
129         GPIO106_GPIO,   /* SPITZ_GPIO_CF2_IRQ */
130
131         /* I2C */
132         GPIO117_I2C_SCL,
133         GPIO118_I2C_SDA,
134
135         GPIO1_GPIO | WAKEUP_ON_EDGE_RISE,
136 };
137
138 /*
139  * Spitz SCOOP Device #1
140  */
141 static struct resource spitz_scoop_resources[] = {
142         [0] = {
143                 .start          = 0x10800000,
144                 .end            = 0x10800fff,
145                 .flags          = IORESOURCE_MEM,
146         },
147 };
148
149 static struct scoop_config spitz_scoop_setup = {
150         .io_dir         = SPITZ_SCP_IO_DIR,
151         .io_out         = SPITZ_SCP_IO_OUT,
152         .suspend_clr    = SPITZ_SCP_SUS_CLR,
153         .suspend_set    = SPITZ_SCP_SUS_SET,
154         .gpio_base      = SPITZ_SCP_GPIO_BASE,
155 };
156
157 struct platform_device spitzscoop_device = {
158         .name           = "sharp-scoop",
159         .id             = 0,
160         .dev            = {
161                 .platform_data  = &spitz_scoop_setup,
162         },
163         .num_resources  = ARRAY_SIZE(spitz_scoop_resources),
164         .resource       = spitz_scoop_resources,
165 };
166
167 /*
168  * Spitz SCOOP Device #2
169  */
170 static struct resource spitz_scoop2_resources[] = {
171         [0] = {
172                 .start          = 0x08800040,
173                 .end            = 0x08800fff,
174                 .flags          = IORESOURCE_MEM,
175         },
176 };
177
178 static struct scoop_config spitz_scoop2_setup = {
179         .io_dir         = SPITZ_SCP2_IO_DIR,
180         .io_out         = SPITZ_SCP2_IO_OUT,
181         .suspend_clr    = SPITZ_SCP2_SUS_CLR,
182         .suspend_set    = SPITZ_SCP2_SUS_SET,
183         .gpio_base      = SPITZ_SCP2_GPIO_BASE,
184 };
185
186 struct platform_device spitzscoop2_device = {
187         .name           = "sharp-scoop",
188         .id             = 1,
189         .dev            = {
190                 .platform_data  = &spitz_scoop2_setup,
191         },
192         .num_resources  = ARRAY_SIZE(spitz_scoop2_resources),
193         .resource       = spitz_scoop2_resources,
194 };
195
196 #define SPITZ_PWR_SD 0x01
197 #define SPITZ_PWR_CF 0x02
198
199 /* Power control is shared with between one of the CF slots and SD */
200 static void spitz_card_pwr_ctrl(int device, unsigned short new_cpr)
201 {
202         unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR);
203
204         if (new_cpr & 0x0007) {
205                 gpio_set_value(SPITZ_GPIO_CF_POWER, 1);
206                 if (!(cpr & 0x0002) && !(cpr & 0x0004))
207                         mdelay(5);
208                 if (device == SPITZ_PWR_CF)
209                         cpr |= 0x0002;
210                 if (device == SPITZ_PWR_SD)
211                         cpr |= 0x0004;
212                 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
213         } else {
214                 if (device == SPITZ_PWR_CF)
215                         cpr &= ~0x0002;
216                 if (device == SPITZ_PWR_SD)
217                         cpr &= ~0x0004;
218                 if (!(cpr & 0x0002) && !(cpr & 0x0004)) {
219                         write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, 0x0000);
220                         mdelay(1);
221                         gpio_set_value(SPITZ_GPIO_CF_POWER, 0);
222                 } else {
223                         write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
224                 }
225         }
226 }
227
228 static void spitz_pcmcia_pwr(struct device *scoop, unsigned short cpr, int nr)
229 {
230         /* Only need to override behaviour for slot 0 */
231         if (nr == 0)
232                 spitz_card_pwr_ctrl(SPITZ_PWR_CF, cpr);
233         else
234                 write_scoop_reg(scoop, SCOOP_CPR, cpr);
235 }
236
237 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
238 {
239         .dev        = &spitzscoop_device.dev,
240         .irq        = SPITZ_IRQ_GPIO_CF_IRQ,
241         .cd_irq     = SPITZ_IRQ_GPIO_CF_CD,
242         .cd_irq_str = "PCMCIA0 CD",
243 },{
244         .dev        = &spitzscoop2_device.dev,
245         .irq        = SPITZ_IRQ_GPIO_CF2_IRQ,
246         .cd_irq     = -1,
247 },
248 };
249
250 static struct scoop_pcmcia_config spitz_pcmcia_config = {
251         .devs         = &spitz_pcmcia_scoop[0],
252         .num_devs     = 2,
253         .power_ctrl   = spitz_pcmcia_pwr,
254 };
255
256 EXPORT_SYMBOL(spitzscoop_device);
257 EXPORT_SYMBOL(spitzscoop2_device);
258
259 /*
260  * Spitz Keyboard Device
261  */
262 static struct platform_device spitzkbd_device = {
263         .name           = "spitz-keyboard",
264         .id             = -1,
265 };
266
267
268 /*
269  * Spitz LEDs
270  */
271 static struct gpio_led spitz_gpio_leds[] = {
272         {
273                 .name                   = "spitz:amber:charge",
274                 .default_trigger        = "sharpsl-charge",
275                 .gpio                   = SPITZ_GPIO_LED_ORANGE,
276         },
277         {
278                 .name                   = "spitz:green:hddactivity",
279                 .default_trigger        = "ide-disk",
280                 .gpio                   = SPITZ_GPIO_LED_GREEN,
281         },
282 };
283
284 static struct gpio_led_platform_data spitz_gpio_leds_info = {
285         .leds           = spitz_gpio_leds,
286         .num_leds       = ARRAY_SIZE(spitz_gpio_leds),
287 };
288
289 static struct platform_device spitzled_device = {
290         .name           = "leds-gpio",
291         .id             = -1,
292         .dev            = {
293                 .platform_data = &spitz_gpio_leds_info,
294         },
295 };
296
297 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
298 static struct pxa2xx_spi_master spitz_spi_info = {
299         .num_chipselect = 3,
300 };
301
302 static void spitz_wait_for_hsync(void)
303 {
304         while (gpio_get_value(SPITZ_GPIO_HSYNC))
305                 cpu_relax();
306
307         while (!gpio_get_value(SPITZ_GPIO_HSYNC))
308                 cpu_relax();
309 }
310
311 static struct ads7846_platform_data spitz_ads7846_info = {
312         .model                  = 7846,
313         .vref_delay_usecs       = 100,
314         .x_plate_ohms           = 419,
315         .y_plate_ohms           = 486,
316         .gpio_pendown           = SPITZ_GPIO_TP_INT,
317         .wait_for_sync          = spitz_wait_for_hsync,
318 };
319
320 static void spitz_ads7846_cs(u32 command)
321 {
322         gpio_set_value(SPITZ_GPIO_ADS7846_CS, !(command == PXA2XX_CS_ASSERT));
323 }
324
325 static struct pxa2xx_spi_chip spitz_ads7846_chip = {
326         .cs_control             = spitz_ads7846_cs,
327 };
328
329 static void spitz_bl_kick_battery(void)
330 {
331         void (*kick_batt)(void);
332
333         kick_batt = symbol_get(sharpsl_battery_kick);
334         if (kick_batt) {
335                 kick_batt();
336                 symbol_put(sharpsl_battery_kick);
337         }
338 }
339
340 static struct corgi_lcd_platform_data spitz_lcdcon_info = {
341         .init_mode              = CORGI_LCD_MODE_VGA,
342         .max_intensity          = 0x2f,
343         .default_intensity      = 0x1f,
344         .limit_mask             = 0x0b,
345         .gpio_backlight_cont    = SPITZ_GPIO_BACKLIGHT_CONT,
346         .gpio_backlight_on      = SPITZ_GPIO_BACKLIGHT_ON,
347         .kick_battery           = spitz_bl_kick_battery,
348 };
349
350 static void spitz_lcdcon_cs(u32 command)
351 {
352         gpio_set_value(SPITZ_GPIO_LCDCON_CS, !(command == PXA2XX_CS_ASSERT));
353 }
354
355 static struct pxa2xx_spi_chip spitz_lcdcon_chip = {
356         .cs_control     = spitz_lcdcon_cs,
357 };
358
359 static void spitz_max1111_cs(u32 command)
360 {
361         gpio_set_value(SPITZ_GPIO_MAX1111_CS, !(command == PXA2XX_CS_ASSERT));
362 }
363
364 static struct pxa2xx_spi_chip spitz_max1111_chip = {
365         .cs_control     = spitz_max1111_cs,
366 };
367
368 static struct spi_board_info spitz_spi_devices[] = {
369         {
370                 .modalias       = "ads7846",
371                 .max_speed_hz   = 1200000,
372                 .bus_num        = 2,
373                 .chip_select    = 0,
374                 .platform_data  = &spitz_ads7846_info,
375                 .controller_data= &spitz_ads7846_chip,
376                 .irq            = gpio_to_irq(SPITZ_GPIO_TP_INT),
377         }, {
378                 .modalias       = "corgi-lcd",
379                 .max_speed_hz   = 50000,
380                 .bus_num        = 2,
381                 .chip_select    = 1,
382                 .platform_data  = &spitz_lcdcon_info,
383                 .controller_data= &spitz_lcdcon_chip,
384         }, {
385                 .modalias       = "max1111",
386                 .max_speed_hz   = 450000,
387                 .bus_num        = 2,
388                 .chip_select    = 2,
389                 .controller_data= &spitz_max1111_chip,
390         },
391 };
392
393 static void __init spitz_init_spi(void)
394 {
395         int err;
396
397         err = gpio_request(SPITZ_GPIO_ADS7846_CS, "ADS7846_CS");
398         if (err)
399                 return;
400
401         err = gpio_request(SPITZ_GPIO_LCDCON_CS, "LCDCON_CS");
402         if (err)
403                 goto err_free_1;
404
405         err = gpio_request(SPITZ_GPIO_MAX1111_CS, "MAX1111_CS");
406         if (err)
407                 goto err_free_2;
408
409         err = gpio_direction_output(SPITZ_GPIO_ADS7846_CS, 1);
410         if (err)
411                 goto err_free_3;
412         err = gpio_direction_output(SPITZ_GPIO_LCDCON_CS, 1);
413         if (err)
414                 goto err_free_3;
415         err = gpio_direction_output(SPITZ_GPIO_MAX1111_CS, 1);
416         if (err)
417                 goto err_free_3;
418
419         if (machine_is_akita()) {
420                 spitz_lcdcon_info.gpio_backlight_cont = AKITA_GPIO_BACKLIGHT_CONT;
421                 spitz_lcdcon_info.gpio_backlight_on = AKITA_GPIO_BACKLIGHT_ON;
422         }
423
424         pxa2xx_set_spi_info(2, &spitz_spi_info);
425         spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
426         return;
427
428 err_free_3:
429         gpio_free(SPITZ_GPIO_MAX1111_CS);
430 err_free_2:
431         gpio_free(SPITZ_GPIO_LCDCON_CS);
432 err_free_1:
433         gpio_free(SPITZ_GPIO_ADS7846_CS);
434 }
435 #else
436 static inline void spitz_init_spi(void) {}
437 #endif
438
439 /*
440  * MMC/SD Device
441  *
442  * The card detect interrupt isn't debounced so we delay it by 250ms
443  * to give the card a chance to fully insert/eject.
444  */
445
446 static struct pxamci_platform_data spitz_mci_platform_data;
447
448 static int spitz_mci_init(struct device *dev, irq_handler_t spitz_detect_int, void *data)
449 {
450         int err;
451
452         err = gpio_request(SPITZ_GPIO_nSD_DETECT, "nSD_DETECT");
453         if (err)
454                 goto err_out;
455
456         err = gpio_request(SPITZ_GPIO_nSD_WP, "nSD_WP");
457         if (err)
458                 goto err_free_1;
459
460         gpio_direction_input(SPITZ_GPIO_nSD_DETECT);
461         gpio_direction_input(SPITZ_GPIO_nSD_WP);
462
463         spitz_mci_platform_data.detect_delay = msecs_to_jiffies(250);
464
465         err = request_irq(SPITZ_IRQ_GPIO_nSD_DETECT, spitz_detect_int,
466                           IRQF_DISABLED | IRQF_TRIGGER_RISING |
467                           IRQF_TRIGGER_FALLING,
468                           "MMC card detect", data);
469         if (err) {
470                 pr_err("%s: MMC/SD: can't request MMC card detect IRQ\n",
471                                 __func__);
472                 goto err_free_2;
473         }
474         return 0;
475
476 err_free_2:
477         gpio_free(SPITZ_GPIO_nSD_WP);
478 err_free_1:
479         gpio_free(SPITZ_GPIO_nSD_DETECT);
480 err_out:
481         return err;
482 }
483
484 static void spitz_mci_setpower(struct device *dev, unsigned int vdd)
485 {
486         struct pxamci_platform_data* p_d = dev->platform_data;
487
488         if (( 1 << vdd) & p_d->ocr_mask)
489                 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0004);
490         else
491                 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0000);
492 }
493
494 static int spitz_mci_get_ro(struct device *dev)
495 {
496         return gpio_get_value(SPITZ_GPIO_nSD_WP);
497 }
498
499 static void spitz_mci_exit(struct device *dev, void *data)
500 {
501         free_irq(SPITZ_IRQ_GPIO_nSD_DETECT, data);
502         gpio_free(SPITZ_GPIO_nSD_WP);
503         gpio_free(SPITZ_GPIO_nSD_DETECT);
504 }
505
506 static struct pxamci_platform_data spitz_mci_platform_data = {
507         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
508         .init           = spitz_mci_init,
509         .get_ro         = spitz_mci_get_ro,
510         .setpower       = spitz_mci_setpower,
511         .exit           = spitz_mci_exit,
512 };
513
514
515 /*
516  * USB Host (OHCI)
517  */
518 static int spitz_ohci_init(struct device *dev)
519 {
520         int err;
521
522         err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST");
523         if (err)
524                 return err;
525
526         /* Only Port 2 is connected
527          * Setup USB Port 2 Output Control Register
528          */
529         UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
530
531         return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
532 }
533
534 static void spitz_ohci_exit(struct device *dev)
535 {
536         gpio_free(SPITZ_GPIO_USB_HOST);
537 }
538
539 static struct pxaohci_platform_data spitz_ohci_platform_data = {
540         .port_mode      = PMM_NPS_MODE,
541         .init           = spitz_ohci_init,
542         .exit           = spitz_ohci_exit,
543         .flags          = ENABLE_PORT_ALL | NO_OC_PROTECTION,
544         .power_budget   = 150,
545 };
546
547
548 /*
549  * Irda
550  */
551 static int spitz_irda_startup(struct device *dev)
552 {
553         int rc;
554
555         rc = gpio_request(SPITZ_GPIO_IR_ON, "IrDA on");
556         if (rc)
557                 goto err;
558
559         rc = gpio_direction_output(SPITZ_GPIO_IR_ON, 1);
560         if (rc)
561                 goto err_dir;
562
563         return 0;
564
565 err_dir:
566         gpio_free(SPITZ_GPIO_IR_ON);
567 err:
568         return rc;
569 }
570
571 static void spitz_irda_shutdown(struct device *dev)
572 {
573         gpio_free(SPITZ_GPIO_IR_ON);
574 }
575
576 static void spitz_irda_transceiver_mode(struct device *dev, int mode)
577 {
578         gpio_set_value(SPITZ_GPIO_IR_ON, mode & IR_OFF);
579         pxa2xx_transceiver_mode(dev, mode);
580 }
581
582 #ifdef CONFIG_MACH_AKITA
583 static void akita_irda_transceiver_mode(struct device *dev, int mode)
584 {
585         gpio_set_value(AKITA_GPIO_IR_ON, mode & IR_OFF);
586         pxa2xx_transceiver_mode(dev, mode);
587 }
588 #endif
589
590 static struct pxaficp_platform_data spitz_ficp_platform_data = {
591         .transceiver_cap        = IR_SIRMODE | IR_OFF,
592         .transceiver_mode       = spitz_irda_transceiver_mode,
593         .startup                = spitz_irda_startup,
594         .shutdown               = spitz_irda_shutdown,
595 };
596
597
598 /*
599  * Spitz PXA Framebuffer
600  */
601
602 static struct pxafb_mode_info spitz_pxafb_modes[] = {
603 {
604         .pixclock       = 19231,
605         .xres           = 480,
606         .yres           = 640,
607         .bpp            = 16,
608         .hsync_len      = 40,
609         .left_margin    = 46,
610         .right_margin   = 125,
611         .vsync_len      = 3,
612         .upper_margin   = 1,
613         .lower_margin   = 0,
614         .sync           = 0,
615 },{
616         .pixclock       = 134617,
617         .xres           = 240,
618         .yres           = 320,
619         .bpp            = 16,
620         .hsync_len      = 20,
621         .left_margin    = 20,
622         .right_margin   = 46,
623         .vsync_len      = 2,
624         .upper_margin   = 1,
625         .lower_margin   = 0,
626         .sync           = 0,
627 },
628 };
629
630 static struct pxafb_mach_info spitz_pxafb_info = {
631         .modes          = &spitz_pxafb_modes[0],
632         .num_modes      = 2,
633         .fixed_modes    = 1,
634         .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
635 };
636
637 static struct mtd_partition sharpsl_nand_partitions[] = {
638         {
639                 .name = "System Area",
640                 .offset = 0,
641                 .size = 7 * 1024 * 1024,
642         },
643         {
644                 .name = "Root Filesystem",
645                 .offset = 7 * 1024 * 1024,
646         },
647         {
648                 .name = "Home Filesystem",
649                 .offset = MTDPART_OFS_APPEND,
650                 .size = MTDPART_SIZ_FULL,
651         },
652 };
653
654 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
655
656 static struct nand_bbt_descr sharpsl_bbt = {
657         .options = 0,
658         .offs = 4,
659         .len = 2,
660         .pattern = scan_ff_pattern
661 };
662
663 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
664         .badblock_pattern       = &sharpsl_bbt,
665         .partitions             = sharpsl_nand_partitions,
666         .nr_partitions          = ARRAY_SIZE(sharpsl_nand_partitions),
667 };
668
669 static struct resource sharpsl_nand_resources[] = {
670         {
671                 .start  = 0x0C000000,
672                 .end    = 0x0C000FFF,
673                 .flags  = IORESOURCE_MEM,
674         },
675 };
676
677 static struct platform_device sharpsl_nand_device = {
678         .name           = "sharpsl-nand",
679         .id             = -1,
680         .resource       = sharpsl_nand_resources,
681         .num_resources  = ARRAY_SIZE(sharpsl_nand_resources),
682         .dev.platform_data      = &sharpsl_nand_platform_data,
683 };
684
685
686 static struct mtd_partition sharpsl_rom_parts[] = {
687         {
688                 .name   ="Boot PROM Filesystem",
689                 .offset = 0x00140000,
690                 .size   = MTDPART_SIZ_FULL,
691         },
692 };
693
694 static struct physmap_flash_data sharpsl_rom_data = {
695         .width          = 2,
696         .nr_parts       = ARRAY_SIZE(sharpsl_rom_parts),
697         .parts          = sharpsl_rom_parts,
698 };
699
700 static struct resource sharpsl_rom_resources[] = {
701         {
702                 .start  = 0x00000000,
703                 .end    = 0x007fffff,
704                 .flags  = IORESOURCE_MEM,
705         },
706 };
707
708 static struct platform_device sharpsl_rom_device = {
709         .name   = "physmap-flash",
710         .id     = -1,
711         .resource = sharpsl_rom_resources,
712         .num_resources = ARRAY_SIZE(sharpsl_rom_resources),
713         .dev.platform_data = &sharpsl_rom_data,
714 };
715
716 static struct platform_device *devices[] __initdata = {
717         &spitzscoop_device,
718         &spitzkbd_device,
719         &spitzled_device,
720         &sharpsl_nand_device,
721         &sharpsl_rom_device,
722 };
723
724 static void spitz_poweroff(void)
725 {
726         arm_machine_restart('g', NULL);
727 }
728
729 static void spitz_restart(char mode, const char *cmd)
730 {
731         /* Bootloader magic for a reboot */
732         if((MSC0 & 0xffff0000) == 0x7ff00000)
733                 MSC0 = (MSC0 & 0xffff) | 0x7ee00000;
734
735         spitz_poweroff();
736 }
737
738 static void __init common_init(void)
739 {
740         init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0);
741         pm_power_off = spitz_poweroff;
742         arm_pm_restart = spitz_restart;
743
744         if (machine_is_spitz()) {
745                 sharpsl_nand_partitions[1].size = 5 * 1024 * 1024;
746         } else if (machine_is_akita()) {
747                 sharpsl_nand_partitions[1].size = 58 * 1024 * 1024;
748         } else if (machine_is_borzoi()) {
749                 sharpsl_nand_partitions[1].size = 32 * 1024 * 1024;
750         }
751
752         PMCR = 0x00;
753
754         /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
755         PCFR |= PCFR_OPDE;
756
757         pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));
758
759         spitz_init_spi();
760
761         platform_add_devices(devices, ARRAY_SIZE(devices));
762         pxa_set_mci_info(&spitz_mci_platform_data);
763         pxa_set_ohci_info(&spitz_ohci_platform_data);
764         pxa_set_ficp_info(&spitz_ficp_platform_data);
765         set_pxa_fb_info(&spitz_pxafb_info);
766         pxa_set_i2c_info(NULL);
767 }
768
769 #if defined(CONFIG_MACH_SPITZ) || defined(CONFIG_MACH_BORZOI)
770 static void __init spitz_init(void)
771 {
772         platform_scoop_config = &spitz_pcmcia_config;
773
774         common_init();
775
776         platform_device_register(&spitzscoop2_device);
777 }
778 #endif
779
780 #ifdef CONFIG_MACH_AKITA
781 /*
782  * Akita IO Expander
783  */
784 static struct pca953x_platform_data akita_ioexp = {
785         .gpio_base              = AKITA_IOEXP_GPIO_BASE,
786 };
787
788 static struct i2c_board_info akita_i2c_board_info[] = {
789         {
790                 .type           = "max7310",
791                 .addr           = 0x18,
792                 .platform_data  = &akita_ioexp,
793         },
794 };
795
796 static struct nand_bbt_descr sharpsl_akita_bbt = {
797         .options = 0,
798         .offs = 4,
799         .len = 1,
800         .pattern = scan_ff_pattern
801 };
802
803 static struct nand_ecclayout akita_oobinfo = {
804         .eccbytes = 24,
805         .eccpos = {
806                    0x5, 0x1, 0x2, 0x3, 0x6, 0x7, 0x15, 0x11,
807                    0x12, 0x13, 0x16, 0x17, 0x25, 0x21, 0x22, 0x23,
808                    0x26, 0x27, 0x35, 0x31, 0x32, 0x33, 0x36, 0x37},
809         .oobfree = {{0x08, 0x09}}
810 };
811
812 static void __init akita_init(void)
813 {
814         spitz_ficp_platform_data.transceiver_mode = akita_irda_transceiver_mode;
815
816         sharpsl_nand_platform_data.badblock_pattern = &sharpsl_akita_bbt;
817         sharpsl_nand_platform_data.ecc_layout = &akita_oobinfo;
818
819         /* We just pretend the second element of the array doesn't exist */
820         spitz_pcmcia_config.num_devs = 1;
821         platform_scoop_config = &spitz_pcmcia_config;
822
823         i2c_register_board_info(0, ARRAY_AND_SIZE(akita_i2c_board_info));
824
825         common_init();
826 }
827 #endif
828
829 static void __init fixup_spitz(struct machine_desc *desc,
830                 struct tag *tags, char **cmdline, struct meminfo *mi)
831 {
832         sharpsl_save_param();
833         mi->nr_banks = 1;
834         mi->bank[0].start = 0xa0000000;
835         mi->bank[0].node = 0;
836         mi->bank[0].size = (64*1024*1024);
837 }
838
839 #ifdef CONFIG_MACH_SPITZ
840 MACHINE_START(SPITZ, "SHARP Spitz")
841         .phys_io        = 0x40000000,
842         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
843         .fixup          = fixup_spitz,
844         .map_io         = pxa_map_io,
845         .init_irq       = pxa27x_init_irq,
846         .init_machine   = spitz_init,
847         .timer          = &pxa_timer,
848 MACHINE_END
849 #endif
850
851 #ifdef CONFIG_MACH_BORZOI
852 MACHINE_START(BORZOI, "SHARP Borzoi")
853         .phys_io        = 0x40000000,
854         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
855         .fixup          = fixup_spitz,
856         .map_io         = pxa_map_io,
857         .init_irq       = pxa27x_init_irq,
858         .init_machine   = spitz_init,
859         .timer          = &pxa_timer,
860 MACHINE_END
861 #endif
862
863 #ifdef CONFIG_MACH_AKITA
864 MACHINE_START(AKITA, "SHARP Akita")
865         .phys_io        = 0x40000000,
866         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
867         .fixup          = fixup_spitz,
868         .map_io         = pxa_map_io,
869         .init_irq       = pxa27x_init_irq,
870         .init_machine   = akita_init,
871         .timer          = &pxa_timer,
872 MACHINE_END
873 #endif