git.oblomov.eu Git - linux-2.6/blob - 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         /* MMC */
 107         GPIO32_MMC_CLK,
 108         GPIO112_MMC_CMD,
 109         GPIO92_MMC_DAT_0,
 110         GPIO109_MMC_DAT_1,
 111         GPIO110_MMC_DAT_2,
 112         GPIO111_MMC_DAT_3,
 113
 114         /* GPIOs */
 115         GPIO9_GPIO,     /* SPITZ_GPIO_nSD_DETECT */
 116         GPIO81_GPIO,    /* SPITZ_GPIO_nSD_WP */
 117         GPIO41_GPIO,    /* SPITZ_GPIO_USB_CONNECT */
 118         GPIO37_GPIO,    /* SPITZ_GPIO_USB_HOST */
 119         GPIO35_GPIO,    /* SPITZ_GPIO_USB_DEVICE */
 120         GPIO22_GPIO,    /* SPITZ_GPIO_HSYNC */
 121         GPIO94_GPIO,    /* SPITZ_GPIO_CF_CD */
 122         GPIO105_GPIO,   /* SPITZ_GPIO_CF_IRQ */
 123         GPIO106_GPIO,   /* SPITZ_GPIO_CF2_IRQ */
 124
 125         /* I2C */
 126         GPIO117_I2C_SCL,
 127         GPIO118_I2C_SDA,
 128
 129         GPIO1_GPIO | WAKEUP_ON_EDGE_RISE,
 130 };
 131
 132 /*
 133  * Spitz SCOOP Device #1
 134  */
 135 static struct resource spitz_scoop_resources[] = {
 136         [0] = {
 137                 .start          = 0x10800000,
 138                 .end            = 0x10800fff,
 139                 .flags          = IORESOURCE_MEM,
 140         },
 141 };
 142
 143 static struct scoop_config spitz_scoop_setup = {
 144         .io_dir         = SPITZ_SCP_IO_DIR,
 145         .io_out         = SPITZ_SCP_IO_OUT,
 146         .suspend_clr    = SPITZ_SCP_SUS_CLR,
 147         .suspend_set    = SPITZ_SCP_SUS_SET,
 148         .gpio_base      = SPITZ_SCP_GPIO_BASE,
 149 };
 150
 151 struct platform_device spitzscoop_device = {
 152         .name           = "sharp-scoop",
 153         .id             = 0,
 154         .dev            = {
 155                 .platform_data  = &spitz_scoop_setup,
 156         },
 157         .num_resources  = ARRAY_SIZE(spitz_scoop_resources),
 158         .resource       = spitz_scoop_resources,
 159 };
 160
 161 /*
 162  * Spitz SCOOP Device #2
 163  */
 164 static struct resource spitz_scoop2_resources[] = {
 165         [0] = {
 166                 .start          = 0x08800040,
 167                 .end            = 0x08800fff,
 168                 .flags          = IORESOURCE_MEM,
 169         },
 170 };
 171
 172 static struct scoop_config spitz_scoop2_setup = {
 173         .io_dir         = SPITZ_SCP2_IO_DIR,
 174         .io_out         = SPITZ_SCP2_IO_OUT,
 175         .suspend_clr    = SPITZ_SCP2_SUS_CLR,
 176         .suspend_set    = SPITZ_SCP2_SUS_SET,
 177         .gpio_base      = SPITZ_SCP2_GPIO_BASE,
 178 };
 179
 180 struct platform_device spitzscoop2_device = {
 181         .name           = "sharp-scoop",
 182         .id             = 1,
 183         .dev            = {
 184                 .platform_data  = &spitz_scoop2_setup,
 185         },
 186         .num_resources  = ARRAY_SIZE(spitz_scoop2_resources),
 187         .resource       = spitz_scoop2_resources,
 188 };
 189
 190 #define SPITZ_PWR_SD 0x01
 191 #define SPITZ_PWR_CF 0x02
 192
 193 /* Power control is shared with between one of the CF slots and SD */
 194 static void spitz_card_pwr_ctrl(int device, unsigned short new_cpr)
 195 {
 196         unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR);
 197
 198         if (new_cpr & 0x0007) {
 199                 gpio_set_value(SPITZ_GPIO_CF_POWER, 1);
 200                 if (!(cpr & 0x0002) && !(cpr & 0x0004))
 201                         mdelay(5);
 202                 if (device == SPITZ_PWR_CF)
 203                         cpr |= 0x0002;
 204                 if (device == SPITZ_PWR_SD)
 205                         cpr |= 0x0004;
 206                 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
 207         } else {
 208                 if (device == SPITZ_PWR_CF)
 209                         cpr &= ~0x0002;
 210                 if (device == SPITZ_PWR_SD)
 211                         cpr &= ~0x0004;
 212                 if (!(cpr & 0x0002) && !(cpr & 0x0004)) {
 213                         write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, 0x0000);
 214                         mdelay(1);
 215                         gpio_set_value(SPITZ_GPIO_CF_POWER, 0);
 216                 } else {
 217                         write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
 218                 }
 219         }
 220 }
 221
 222 static void spitz_pcmcia_pwr(struct device *scoop, unsigned short cpr, int nr)
 223 {
 224         /* Only need to override behaviour for slot 0 */
 225         if (nr == 0)
 226                 spitz_card_pwr_ctrl(SPITZ_PWR_CF, cpr);
 227         else
 228                 write_scoop_reg(scoop, SCOOP_CPR, cpr);
 229 }
 230
 231 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
 232 {
 233         .dev        = &spitzscoop_device.dev,
 234         .irq        = SPITZ_IRQ_GPIO_CF_IRQ,
 235         .cd_irq     = SPITZ_IRQ_GPIO_CF_CD,
 236         .cd_irq_str = "PCMCIA0 CD",
 237 },{
 238         .dev        = &spitzscoop2_device.dev,
 239         .irq        = SPITZ_IRQ_GPIO_CF2_IRQ,
 240         .cd_irq     = -1,
 241 },
 242 };
 243
 244 static struct scoop_pcmcia_config spitz_pcmcia_config = {
 245         .devs         = &spitz_pcmcia_scoop[0],
 246         .num_devs     = 2,
 247         .power_ctrl   = spitz_pcmcia_pwr,
 248 };
 249
 250 EXPORT_SYMBOL(spitzscoop_device);
 251 EXPORT_SYMBOL(spitzscoop2_device);
 252
 253 /*
 254  * Spitz Keyboard Device
 255  */
 256 static struct platform_device spitzkbd_device = {
 257         .name           = "spitz-keyboard",
 258         .id             = -1,
 259 };
 260
 261
 262 /*
 263  * Spitz LEDs
 264  */
 265 static struct gpio_led spitz_gpio_leds[] = {
 266         {
 267                 .name                   = "spitz:amber:charge",
 268                 .default_trigger        = "sharpsl-charge",
 269                 .gpio                   = SPITZ_GPIO_LED_ORANGE,
 270         },
 271         {
 272                 .name                   = "spitz:green:hddactivity",
 273                 .default_trigger        = "ide-disk",
 274                 .gpio                   = SPITZ_GPIO_LED_GREEN,
 275         },
 276 };
 277
 278 static struct gpio_led_platform_data spitz_gpio_leds_info = {
 279         .leds           = spitz_gpio_leds,
 280         .num_leds       = ARRAY_SIZE(spitz_gpio_leds),
 281 };
 282
 283 static struct platform_device spitzled_device = {
 284         .name           = "leds-gpio",
 285         .id             = -1,
 286         .dev            = {
 287                 .platform_data = &spitz_gpio_leds_info,
 288         },
 289 };
 290
 291 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
 292 static struct pxa2xx_spi_master spitz_spi_info = {
 293         .num_chipselect = 3,
 294 };
 295
 296 static struct ads7846_platform_data spitz_ads7846_info = {
 297         .model                  = 7846,
 298         .vref_delay_usecs       = 100,
 299         .x_plate_ohms           = 419,
 300         .y_plate_ohms           = 486,
 301         .gpio_pendown           = SPITZ_GPIO_TP_INT,
 302 };
 303
 304 static void spitz_ads7846_cs(u32 command)
 305 {
 306         gpio_set_value(SPITZ_GPIO_ADS7846_CS, !(command == PXA2XX_CS_ASSERT));
 307 }
 308
 309 static struct pxa2xx_spi_chip spitz_ads7846_chip = {
 310         .cs_control             = spitz_ads7846_cs,
 311 };
 312
 313 static void spitz_bl_kick_battery(void)
 314 {
 315         void (*kick_batt)(void);
 316
 317         kick_batt = symbol_get(sharpsl_battery_kick);
 318         if (kick_batt) {
 319                 kick_batt();
 320                 symbol_put(sharpsl_battery_kick);
 321         }
 322 }
 323
 324 static struct corgi_lcd_platform_data spitz_lcdcon_info = {
 325         .init_mode              = CORGI_LCD_MODE_VGA,
 326         .max_intensity          = 0x2f,
 327         .default_intensity      = 0x1f,
 328         .limit_mask             = 0x0b,
 329         .gpio_backlight_cont    = SPITZ_GPIO_BACKLIGHT_CONT,
 330         .gpio_backlight_on      = SPITZ_GPIO_BACKLIGHT_ON,
 331         .kick_battery           = spitz_bl_kick_battery,
 332 };
 333
 334 static void spitz_lcdcon_cs(u32 command)
 335 {
 336         gpio_set_value(SPITZ_GPIO_LCDCON_CS, !(command == PXA2XX_CS_ASSERT));
 337 }
 338
 339 static struct pxa2xx_spi_chip spitz_lcdcon_chip = {
 340         .cs_control     = spitz_lcdcon_cs,
 341 };
 342
 343 static void spitz_max1111_cs(u32 command)
 344 {
 345         gpio_set_value(SPITZ_GPIO_MAX1111_CS, !(command == PXA2XX_CS_ASSERT));
 346 }
 347
 348 static struct pxa2xx_spi_chip spitz_max1111_chip = {
 349         .cs_control     = spitz_max1111_cs,
 350 };
 351
 352 static struct spi_board_info spitz_spi_devices[] = {
 353         {
 354                 .modalias       = "ads7846",
 355                 .max_speed_hz   = 1200000,
 356                 .bus_num        = 2,
 357                 .chip_select    = 0,
 358                 .platform_data  = &spitz_ads7846_info,
 359                 .controller_data= &spitz_ads7846_chip,
 360                 .irq            = gpio_to_irq(SPITZ_GPIO_TP_INT),
 361         }, {
 362                 .modalias       = "corgi-lcd",
 363                 .max_speed_hz   = 50000,
 364                 .bus_num        = 2,
 365                 .chip_select    = 1,
 366                 .platform_data  = &spitz_lcdcon_info,
 367                 .controller_data= &spitz_lcdcon_chip,
 368         }, {
 369                 .modalias       = "max1111",
 370                 .max_speed_hz   = 450000,
 371                 .bus_num        = 2,
 372                 .chip_select    = 2,
 373                 .controller_data= &spitz_max1111_chip,
 374         },
 375 };
 376
 377 static void __init spitz_init_spi(void)
 378 {
 379         int err;
 380
 381         err = gpio_request(SPITZ_GPIO_ADS7846_CS, "ADS7846_CS");
 382         if (err)
 383                 return;
 384
 385         err = gpio_request(SPITZ_GPIO_LCDCON_CS, "LCDCON_CS");
 386         if (err)
 387                 goto err_free_1;
 388
 389         err = gpio_request(SPITZ_GPIO_MAX1111_CS, "MAX1111_CS");
 390         if (err)
 391                 goto err_free_2;
 392
 393         err = gpio_direction_output(SPITZ_GPIO_ADS7846_CS, 1);
 394         if (err)
 395                 goto err_free_3;
 396         err = gpio_direction_output(SPITZ_GPIO_LCDCON_CS, 1);
 397         if (err)
 398                 goto err_free_3;
 399         err = gpio_direction_output(SPITZ_GPIO_MAX1111_CS, 1);
 400         if (err)
 401                 goto err_free_3;
 402
 403         if (machine_is_akita()) {
 404                 spitz_lcdcon_info.gpio_backlight_cont = AKITA_GPIO_BACKLIGHT_CONT;
 405                 spitz_lcdcon_info.gpio_backlight_on = AKITA_GPIO_BACKLIGHT_ON;
 406         }
 407
 408         pxa2xx_set_spi_info(2, &spitz_spi_info);
 409         spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
 410         return;
 411
 412 err_free_3:
 413         gpio_free(SPITZ_GPIO_MAX1111_CS);
 414 err_free_2:
 415         gpio_free(SPITZ_GPIO_LCDCON_CS);
 416 err_free_1:
 417         gpio_free(SPITZ_GPIO_ADS7846_CS);
 418 }
 419 #else
 420 static inline void spitz_init_spi(void) {}
 421 #endif
 422
 423 /*
 424  * MMC/SD Device
 425  *
 426  * The card detect interrupt isn't debounced so we delay it by 250ms
 427  * to give the card a chance to fully insert/eject.
 428  */
 429
 430 static struct pxamci_platform_data spitz_mci_platform_data;
 431
 432 static int spitz_mci_init(struct device *dev, irq_handler_t spitz_detect_int, void *data)
 433 {
 434         int err;
 435
 436         err = gpio_request(SPITZ_GPIO_nSD_DETECT, "nSD_DETECT");
 437         if (err)
 438                 goto err_out;
 439
 440         err = gpio_request(SPITZ_GPIO_nSD_WP, "nSD_WP");
 441         if (err)
 442                 goto err_free_1;
 443
 444         gpio_direction_input(SPITZ_GPIO_nSD_DETECT);
 445         gpio_direction_input(SPITZ_GPIO_nSD_WP);
 446
 447         spitz_mci_platform_data.detect_delay = msecs_to_jiffies(250);
 448
 449         err = request_irq(SPITZ_IRQ_GPIO_nSD_DETECT, spitz_detect_int,
 450                           IRQF_DISABLED | IRQF_TRIGGER_RISING |
 451                           IRQF_TRIGGER_FALLING,
 452                           "MMC card detect", data);
 453         if (err) {
 454                 pr_err("%s: MMC/SD: can't request MMC card detect IRQ\n",
 455                                 __func__);
 456                 goto err_free_2;
 457         }
 458         return 0;
 459
 460 err_free_2:
 461         gpio_free(SPITZ_GPIO_nSD_WP);
 462 err_free_1:
 463         gpio_free(SPITZ_GPIO_nSD_DETECT);
 464 err_out:
 465         return err;
 466 }
 467
 468 static void spitz_mci_setpower(struct device *dev, unsigned int vdd)
 469 {
 470         struct pxamci_platform_data* p_d = dev->platform_data;
 471
 472         if (( 1 << vdd) & p_d->ocr_mask)
 473                 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0004);
 474         else
 475                 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0000);
 476 }
 477
 478 static int spitz_mci_get_ro(struct device *dev)
 479 {
 480         return gpio_get_value(SPITZ_GPIO_nSD_WP);
 481 }
 482
 483 static void spitz_mci_exit(struct device *dev, void *data)
 484 {
 485         free_irq(SPITZ_IRQ_GPIO_nSD_DETECT, data);
 486         gpio_free(SPITZ_GPIO_nSD_WP);
 487         gpio_free(SPITZ_GPIO_nSD_DETECT);
 488 }
 489
 490 static struct pxamci_platform_data spitz_mci_platform_data = {
 491         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
 492         .init           = spitz_mci_init,
 493         .get_ro         = spitz_mci_get_ro,
 494         .setpower       = spitz_mci_setpower,
 495         .exit           = spitz_mci_exit,
 496 };
 497
 498
 499 /*
 500  * USB Host (OHCI)
 501  */
 502 static int spitz_ohci_init(struct device *dev)
 503 {
 504         int err;
 505
 506         err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST");
 507         if (err)
 508                 return err;
 509
 510         /* Only Port 2 is connected
 511          * Setup USB Port 2 Output Control Register
 512          */
 513         UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
 514
 515         return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
 516 }
 517
 518 static struct pxaohci_platform_data spitz_ohci_platform_data = {
 519         .port_mode      = PMM_NPS_MODE,
 520         .init           = spitz_ohci_init,
 521         .flags          = ENABLE_PORT_ALL | NO_OC_PROTECTION,
 522         .power_budget   = 150,
 523 };
 524
 525
 526 /*
 527  * Irda
 528  */
 529 static int spitz_irda_startup(struct device *dev)
 530 {
 531         int rc;
 532
 533         rc = gpio_request(SPITZ_GPIO_IR_ON, "IrDA on");
 534         if (rc)
 535                 goto err;
 536
 537         rc = gpio_direction_output(SPITZ_GPIO_IR_ON, 1);
 538         if (rc)
 539                 goto err_dir;
 540
 541         return 0;
 542
 543 err_dir:
 544         gpio_free(SPITZ_GPIO_IR_ON);
 545 err:
 546         return rc;
 547 }
 548
 549 static void spitz_irda_shutdown(struct device *dev)
 550 {
 551         gpio_free(SPITZ_GPIO_IR_ON);
 552 }
 553
 554 static void spitz_irda_transceiver_mode(struct device *dev, int mode)
 555 {
 556         gpio_set_value(SPITZ_GPIO_IR_ON, mode & IR_OFF);
 557         pxa2xx_transceiver_mode(dev, mode);
 558 }
 559
 560 #ifdef CONFIG_MACH_AKITA
 561 static void akita_irda_transceiver_mode(struct device *dev, int mode)
 562 {
 563         gpio_set_value(AKITA_GPIO_IR_ON, mode & IR_OFF);
 564         pxa2xx_transceiver_mode(dev, mode);
 565 }
 566 #endif
 567
 568 static struct pxaficp_platform_data spitz_ficp_platform_data = {
 569         .transceiver_cap        = IR_SIRMODE | IR_OFF,
 570         .transceiver_mode       = spitz_irda_transceiver_mode,
 571         .startup                = spitz_irda_startup,
 572         .shutdown               = spitz_irda_shutdown,
 573 };
 574
 575
 576 /*
 577  * Spitz PXA Framebuffer
 578  */
 579
 580 static struct pxafb_mode_info spitz_pxafb_modes[] = {
 581 {
 582         .pixclock       = 19231,
 583         .xres           = 480,
 584         .yres           = 640,
 585         .bpp            = 16,
 586         .hsync_len      = 40,
 587         .left_margin    = 46,
 588         .right_margin   = 125,
 589         .vsync_len      = 3,
 590         .upper_margin   = 1,
 591         .lower_margin   = 0,
 592         .sync           = 0,
 593 },{
 594         .pixclock       = 134617,
 595         .xres           = 240,
 596         .yres           = 320,
 597         .bpp            = 16,
 598         .hsync_len      = 20,
 599         .left_margin    = 20,
 600         .right_margin   = 46,
 601         .vsync_len      = 2,
 602         .upper_margin   = 1,
 603         .lower_margin   = 0,
 604         .sync           = 0,
 605 },
 606 };
 607
 608 static struct pxafb_mach_info spitz_pxafb_info = {
 609         .modes          = &spitz_pxafb_modes[0],
 610         .num_modes      = 2,
 611         .fixed_modes    = 1,
 612         .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
 613 };
 614
 615 static struct mtd_partition sharpsl_nand_partitions[] = {
 616         {
 617                 .name = "System Area",
 618                 .offset = 0,
 619                 .size = 7 * 1024 * 1024,
 620         },
 621         {
 622                 .name = "Root Filesystem",
 623                 .offset = 7 * 1024 * 1024,
 624         },
 625         {
 626                 .name = "Home Filesystem",
 627                 .offset = MTDPART_OFS_APPEND,
 628                 .size = MTDPART_SIZ_FULL,
 629         },
 630 };
 631
 632 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
 633
 634 static struct nand_bbt_descr sharpsl_bbt = {
 635         .options = 0,
 636         .offs = 4,
 637         .len = 2,
 638         .pattern = scan_ff_pattern
 639 };
 640
 641 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
 642         .badblock_pattern       = &sharpsl_bbt,
 643         .partitions             = sharpsl_nand_partitions,
 644         .nr_partitions          = ARRAY_SIZE(sharpsl_nand_partitions),
 645 };
 646
 647 static struct resource sharpsl_nand_resources[] = {
 648         {
 649                 .start  = 0x0C000000,
 650                 .end    = 0x0C000FFF,
 651                 .flags  = IORESOURCE_MEM,
 652         },
 653 };
 654
 655 static struct platform_device sharpsl_nand_device = {
 656         .name           = "sharpsl-nand",
 657         .id             = -1,
 658         .resource       = sharpsl_nand_resources,
 659         .num_resources  = ARRAY_SIZE(sharpsl_nand_resources),
 660         .dev.platform_data      = &sharpsl_nand_platform_data,
 661 };
 662
 663
 664 static struct mtd_partition sharpsl_rom_parts[] = {
 665         {
 666                 .name   ="Boot PROM Filesystem",
 667                 .offset = 0x00140000,
 668                 .size   = MTDPART_SIZ_FULL,
 669         },
 670 };
 671
 672 static struct physmap_flash_data sharpsl_rom_data = {
 673         .width          = 2,
 674         .nr_parts       = ARRAY_SIZE(sharpsl_rom_parts),
 675         .parts          = sharpsl_rom_parts,
 676 };
 677
 678 static struct resource sharpsl_rom_resources[] = {
 679         {
 680                 .start  = 0x00000000,
 681                 .end    = 0x007fffff,
 682                 .flags  = IORESOURCE_MEM,
 683         },
 684 };
 685
 686 static struct platform_device sharpsl_rom_device = {
 687         .name   = "physmap-flash",
 688         .id     = -1,
 689         .resource = sharpsl_rom_resources,
 690         .num_resources = ARRAY_SIZE(sharpsl_rom_resources),
 691         .dev.platform_data = &sharpsl_rom_data,
 692 };
 693
 694 static struct platform_device *devices[] __initdata = {
 695         &spitzscoop_device,
 696         &spitzkbd_device,
 697         &spitzled_device,
 698         &sharpsl_nand_device,
 699         &sharpsl_rom_device,
 700 };
 701
 702 static void spitz_poweroff(void)
 703 {
 704         arm_machine_restart('g');
 705 }
 706
 707 static void spitz_restart(char mode)
 708 {
 709         /* Bootloader magic for a reboot */
 710         if((MSC0 & 0xffff0000) == 0x7ff00000)
 711                 MSC0 = (MSC0 & 0xffff) | 0x7ee00000;
 712
 713         spitz_poweroff();
 714 }
 715
 716 static void __init common_init(void)
 717 {
 718         init_gpio_reset(SPITZ_GPIO_ON_RESET, 1);
 719         pm_power_off = spitz_poweroff;
 720         arm_pm_restart = spitz_restart;
 721
 722         if (machine_is_spitz()) {
 723                 sharpsl_nand_partitions[1].size = 5 * 1024 * 1024;
 724         } else if (machine_is_akita()) {
 725                 sharpsl_nand_partitions[1].size = 58 * 1024 * 1024;
 726         } else if (machine_is_borzoi()) {
 727                 sharpsl_nand_partitions[1].size = 32 * 1024 * 1024;
 728         }
 729
 730         PMCR = 0x00;
 731
 732         /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
 733         PCFR |= PCFR_OPDE;
 734
 735         pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));
 736
 737         spitz_init_spi();
 738
 739         platform_add_devices(devices, ARRAY_SIZE(devices));
 740         pxa_set_mci_info(&spitz_mci_platform_data);
 741         pxa_set_ohci_info(&spitz_ohci_platform_data);
 742         pxa_set_ficp_info(&spitz_ficp_platform_data);
 743         set_pxa_fb_info(&spitz_pxafb_info);
 744         pxa_set_i2c_info(NULL);
 745 }
 746
 747 #if defined(CONFIG_MACH_SPITZ) || defined(CONFIG_MACH_BORZOI)
 748 static void __init spitz_init(void)
 749 {
 750         platform_scoop_config = &spitz_pcmcia_config;
 751
 752         common_init();
 753
 754         platform_device_register(&spitzscoop2_device);
 755 }
 756 #endif
 757
 758 #ifdef CONFIG_MACH_AKITA
 759 /*
 760  * Akita IO Expander
 761  */
 762 static struct pca953x_platform_data akita_ioexp = {
 763         .gpio_base              = AKITA_IOEXP_GPIO_BASE,
 764 };
 765
 766 static struct i2c_board_info akita_i2c_board_info[] = {
 767         {
 768                 .type           = "max7310",
 769                 .addr           = 0x18,
 770                 .platform_data  = &akita_ioexp,
 771         },
 772 };
 773
 774 static struct nand_bbt_descr sharpsl_akita_bbt = {
 775         .options = 0,
 776         .offs = 4,
 777         .len = 1,
 778         .pattern = scan_ff_pattern
 779 };
 780
 781 static struct nand_ecclayout akita_oobinfo = {
 782         .eccbytes = 24,
 783         .eccpos = {
 784                    0x5, 0x1, 0x2, 0x3, 0x6, 0x7, 0x15, 0x11,
 785                    0x12, 0x13, 0x16, 0x17, 0x25, 0x21, 0x22, 0x23,
 786                    0x26, 0x27, 0x35, 0x31, 0x32, 0x33, 0x36, 0x37},
 787         .oobfree = {{0x08, 0x09}}
 788 };
 789
 790 static void __init akita_init(void)
 791 {
 792         spitz_ficp_platform_data.transceiver_mode = akita_irda_transceiver_mode;
 793
 794         sharpsl_nand_platform_data.badblock_pattern = &sharpsl_akita_bbt;
 795         sharpsl_nand_platform_data.ecc_layout = &akita_oobinfo;
 796
 797         /* We just pretend the second element of the array doesn't exist */
 798         spitz_pcmcia_config.num_devs = 1;
 799         platform_scoop_config = &spitz_pcmcia_config;
 800
 801         i2c_register_board_info(0, ARRAY_AND_SIZE(akita_i2c_board_info));
 802
 803         common_init();
 804 }
 805 #endif
 806
 807 static void __init fixup_spitz(struct machine_desc *desc,
 808                 struct tag *tags, char **cmdline, struct meminfo *mi)
 809 {
 810         sharpsl_save_param();
 811         mi->nr_banks = 1;
 812         mi->bank[0].start = 0xa0000000;
 813         mi->bank[0].node = 0;
 814         mi->bank[0].size = (64*1024*1024);
 815 }
 816
 817 #ifdef CONFIG_MACH_SPITZ
 818 MACHINE_START(SPITZ, "SHARP Spitz")
 819         .phys_io        = 0x40000000,
 820         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 821         .fixup          = fixup_spitz,
 822         .map_io         = pxa_map_io,
 823         .init_irq       = pxa27x_init_irq,
 824         .init_machine   = spitz_init,
 825         .timer          = &pxa_timer,
 826 MACHINE_END
 827 #endif
 828
 829 #ifdef CONFIG_MACH_BORZOI
 830 MACHINE_START(BORZOI, "SHARP Borzoi")
 831         .phys_io        = 0x40000000,
 832         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 833         .fixup          = fixup_spitz,
 834         .map_io         = pxa_map_io,
 835         .init_irq       = pxa27x_init_irq,
 836         .init_machine   = spitz_init,
 837         .timer          = &pxa_timer,
 838 MACHINE_END
 839 #endif
 840
 841 #ifdef CONFIG_MACH_AKITA
 842 MACHINE_START(AKITA, "SHARP Akita")
 843         .phys_io        = 0x40000000,
 844         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 845         .fixup          = fixup_spitz,
 846         .map_io         = pxa_map_io,
 847         .init_irq       = pxa27x_init_irq,
 848         .init_machine   = akita_init,
 849         .timer          = &pxa_timer,
 850 MACHINE_END
 851 #endif