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