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