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/platform_device.h>
  17 #include <linux/delay.h>
  18 #include <linux/gpio.h>
  19 #include <linux/leds.h>
  20 #include <linux/mtd/physmap.h>
  21 #include <linux/i2c.h>
  22 #include <linux/i2c/pca953x.h>
  23 #include <linux/spi/spi.h>
  24 #include <linux/spi/ads7846.h>
  25 #include <linux/spi/corgi_lcd.h>
  26 #include <linux/mtd/sharpsl.h>
  27
  28 #include <asm/setup.h>
  29 #include <asm/mach-types.h>
  30 #include <asm/mach/arch.h>
  31 #include <asm/mach/sharpsl_param.h>
  32 #include <asm/hardware/scoop.h>
  33
  34
  35 #include <mach/pxa27x.h>
  36 #include <mach/pxa27x-udc.h>
  37 #include <mach/reset.h>
  38 #include <plat/i2c.h>
  39 #include <mach/irda.h>
  40 #include <mach/mmc.h>
  41 #include <mach/ohci.h>
  42 #include <mach/pxafb.h>
  43 #include <mach/pxa2xx_spi.h>
  44 #include <mach/spitz.h>
  45
  46 #include "generic.h"
  47 #include "devices.h"
  48 #include "sharpsl.h"
  49
  50 static unsigned long spitz_pin_config[] __initdata = {
  51         /* Chip Selects */
  52         GPIO78_nCS_2,   /* SCOOP #2 */
  53         GPIO79_nCS_3,   /* NAND */
  54         GPIO80_nCS_4,   /* SCOOP #1 */
  55
  56         /* LCD - 16bpp Active TFT */
  57         GPIO58_LCD_LDD_0,
  58         GPIO59_LCD_LDD_1,
  59         GPIO60_LCD_LDD_2,
  60         GPIO61_LCD_LDD_3,
  61         GPIO62_LCD_LDD_4,
  62         GPIO63_LCD_LDD_5,
  63         GPIO64_LCD_LDD_6,
  64         GPIO65_LCD_LDD_7,
  65         GPIO66_LCD_LDD_8,
  66         GPIO67_LCD_LDD_9,
  67         GPIO68_LCD_LDD_10,
  68         GPIO69_LCD_LDD_11,
  69         GPIO70_LCD_LDD_12,
  70         GPIO71_LCD_LDD_13,
  71         GPIO72_LCD_LDD_14,
  72         GPIO73_LCD_LDD_15,
  73         GPIO74_LCD_FCLK,
  74         GPIO75_LCD_LCLK,
  75         GPIO76_LCD_PCLK,
  76
  77         /* PC Card */
  78         GPIO48_nPOE,
  79         GPIO49_nPWE,
  80         GPIO50_nPIOR,
  81         GPIO51_nPIOW,
  82         GPIO85_nPCE_1,
  83         GPIO54_nPCE_2,
  84         GPIO55_nPREG,
  85         GPIO56_nPWAIT,
  86         GPIO57_nIOIS16,
  87         GPIO104_PSKTSEL,
  88
  89         /* I2S */
  90         GPIO28_I2S_BITCLK_OUT,
  91         GPIO29_I2S_SDATA_IN,
  92         GPIO30_I2S_SDATA_OUT,
  93         GPIO31_I2S_SYNC,
  94
  95         /* MMC */
  96         GPIO32_MMC_CLK,
  97         GPIO112_MMC_CMD,
  98         GPIO92_MMC_DAT_0,
  99         GPIO109_MMC_DAT_1,
 100         GPIO110_MMC_DAT_2,
 101         GPIO111_MMC_DAT_3,
 102
 103         /* GPIOs */
 104         GPIO9_GPIO,     /* SPITZ_GPIO_nSD_DETECT */
 105         GPIO81_GPIO,    /* SPITZ_GPIO_nSD_WP */
 106         GPIO41_GPIO,    /* SPITZ_GPIO_USB_CONNECT */
 107         GPIO37_GPIO,    /* SPITZ_GPIO_USB_HOST */
 108         GPIO35_GPIO,    /* SPITZ_GPIO_USB_DEVICE */
 109         GPIO22_GPIO,    /* SPITZ_GPIO_HSYNC */
 110         GPIO94_GPIO,    /* SPITZ_GPIO_CF_CD */
 111         GPIO105_GPIO,   /* SPITZ_GPIO_CF_IRQ */
 112         GPIO106_GPIO,   /* SPITZ_GPIO_CF2_IRQ */
 113
 114         /* I2C */
 115         GPIO117_I2C_SCL,
 116         GPIO118_I2C_SDA,
 117
 118         GPIO1_GPIO | WAKEUP_ON_EDGE_RISE,
 119 };
 120
 121 /*
 122  * Spitz SCOOP Device #1
 123  */
 124 static struct resource spitz_scoop_resources[] = {
 125         [0] = {
 126                 .start          = 0x10800000,
 127                 .end            = 0x10800fff,
 128                 .flags          = IORESOURCE_MEM,
 129         },
 130 };
 131
 132 static struct scoop_config spitz_scoop_setup = {
 133         .io_dir         = SPITZ_SCP_IO_DIR,
 134         .io_out         = SPITZ_SCP_IO_OUT,
 135         .suspend_clr    = SPITZ_SCP_SUS_CLR,
 136         .suspend_set    = SPITZ_SCP_SUS_SET,
 137         .gpio_base      = SPITZ_SCP_GPIO_BASE,
 138 };
 139
 140 struct platform_device spitzscoop_device = {
 141         .name           = "sharp-scoop",
 142         .id             = 0,
 143         .dev            = {
 144                 .platform_data  = &spitz_scoop_setup,
 145         },
 146         .num_resources  = ARRAY_SIZE(spitz_scoop_resources),
 147         .resource       = spitz_scoop_resources,
 148 };
 149
 150 /*
 151  * Spitz SCOOP Device #2
 152  */
 153 static struct resource spitz_scoop2_resources[] = {
 154         [0] = {
 155                 .start          = 0x08800040,
 156                 .end            = 0x08800fff,
 157                 .flags          = IORESOURCE_MEM,
 158         },
 159 };
 160
 161 static struct scoop_config spitz_scoop2_setup = {
 162         .io_dir         = SPITZ_SCP2_IO_DIR,
 163         .io_out         = SPITZ_SCP2_IO_OUT,
 164         .suspend_clr    = SPITZ_SCP2_SUS_CLR,
 165         .suspend_set    = SPITZ_SCP2_SUS_SET,
 166         .gpio_base      = SPITZ_SCP2_GPIO_BASE,
 167 };
 168
 169 struct platform_device spitzscoop2_device = {
 170         .name           = "sharp-scoop",
 171         .id             = 1,
 172         .dev            = {
 173                 .platform_data  = &spitz_scoop2_setup,
 174         },
 175         .num_resources  = ARRAY_SIZE(spitz_scoop2_resources),
 176         .resource       = spitz_scoop2_resources,
 177 };
 178
 179 #define SPITZ_PWR_SD 0x01
 180 #define SPITZ_PWR_CF 0x02
 181
 182 /* Power control is shared with between one of the CF slots and SD */
 183 static void spitz_card_pwr_ctrl(int device, unsigned short new_cpr)
 184 {
 185         unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR);
 186
 187         if (new_cpr & 0x0007) {
 188                 gpio_set_value(SPITZ_GPIO_CF_POWER, 1);
 189                 if (!(cpr & 0x0002) && !(cpr & 0x0004))
 190                         mdelay(5);
 191                 if (device == SPITZ_PWR_CF)
 192                         cpr |= 0x0002;
 193                 if (device == SPITZ_PWR_SD)
 194                         cpr |= 0x0004;
 195                 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
 196         } else {
 197                 if (device == SPITZ_PWR_CF)
 198                         cpr &= ~0x0002;
 199                 if (device == SPITZ_PWR_SD)
 200                         cpr &= ~0x0004;
 201                 if (!(cpr & 0x0002) && !(cpr & 0x0004)) {
 202                         write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, 0x0000);
 203                         mdelay(1);
 204                         gpio_set_value(SPITZ_GPIO_CF_POWER, 0);
 205                 } else {
 206                         write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
 207                 }
 208         }
 209 }
 210
 211 static void spitz_pcmcia_pwr(struct device *scoop, unsigned short cpr, int nr)
 212 {
 213         /* Only need to override behaviour for slot 0 */
 214         if (nr == 0)
 215                 spitz_card_pwr_ctrl(SPITZ_PWR_CF, cpr);
 216         else
 217                 write_scoop_reg(scoop, SCOOP_CPR, cpr);
 218 }
 219
 220 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
 221 {
 222         .dev        = &spitzscoop_device.dev,
 223         .irq        = SPITZ_IRQ_GPIO_CF_IRQ,
 224         .cd_irq     = SPITZ_IRQ_GPIO_CF_CD,
 225         .cd_irq_str = "PCMCIA0 CD",
 226 },{
 227         .dev        = &spitzscoop2_device.dev,
 228         .irq        = SPITZ_IRQ_GPIO_CF2_IRQ,
 229         .cd_irq     = -1,
 230 },
 231 };
 232
 233 static struct scoop_pcmcia_config spitz_pcmcia_config = {
 234         .devs         = &spitz_pcmcia_scoop[0],
 235         .num_devs     = 2,
 236         .power_ctrl   = spitz_pcmcia_pwr,
 237 };
 238
 239 EXPORT_SYMBOL(spitzscoop_device);
 240 EXPORT_SYMBOL(spitzscoop2_device);
 241
 242 /*
 243  * Spitz Keyboard Device
 244  */
 245 static struct platform_device spitzkbd_device = {
 246         .name           = "spitz-keyboard",
 247         .id             = -1,
 248 };
 249
 250
 251 /*
 252  * Spitz LEDs
 253  */
 254 static struct gpio_led spitz_gpio_leds[] = {
 255         {
 256                 .name                   = "spitz:amber:charge",
 257                 .default_trigger        = "sharpsl-charge",
 258                 .gpio                   = SPITZ_GPIO_LED_ORANGE,
 259         },
 260         {
 261                 .name                   = "spitz:green:hddactivity",
 262                 .default_trigger        = "ide-disk",
 263                 .gpio                   = SPITZ_GPIO_LED_GREEN,
 264         },
 265 };
 266
 267 static struct gpio_led_platform_data spitz_gpio_leds_info = {
 268         .leds           = spitz_gpio_leds,
 269         .num_leds       = ARRAY_SIZE(spitz_gpio_leds),
 270 };
 271
 272 static struct platform_device spitzled_device = {
 273         .name           = "leds-gpio",
 274         .id             = -1,
 275         .dev            = {
 276                 .platform_data = &spitz_gpio_leds_info,
 277         },
 278 };
 279
 280 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
 281 static struct pxa2xx_spi_master spitz_spi_info = {
 282         .num_chipselect = 3,
 283 };
 284
 285 static void spitz_wait_for_hsync(void)
 286 {
 287         while (gpio_get_value(SPITZ_GPIO_HSYNC))
 288                 cpu_relax();
 289
 290         while (!gpio_get_value(SPITZ_GPIO_HSYNC))
 291                 cpu_relax();
 292 }
 293
 294 static struct ads7846_platform_data spitz_ads7846_info = {
 295         .model                  = 7846,
 296         .vref_delay_usecs       = 100,
 297         .x_plate_ohms           = 419,
 298         .y_plate_ohms           = 486,
 299         .gpio_pendown           = SPITZ_GPIO_TP_INT,
 300         .wait_for_sync          = spitz_wait_for_hsync,
 301 };
 302
 303 static struct pxa2xx_spi_chip spitz_ads7846_chip = {
 304         .gpio_cs                = SPITZ_GPIO_ADS7846_CS,
 305 };
 306
 307 static void spitz_bl_kick_battery(void)
 308 {
 309         void (*kick_batt)(void);
 310
 311         kick_batt = symbol_get(sharpsl_battery_kick);
 312         if (kick_batt) {
 313                 kick_batt();
 314                 symbol_put(sharpsl_battery_kick);
 315         }
 316 }
 317
 318 static struct corgi_lcd_platform_data spitz_lcdcon_info = {
 319         .init_mode              = CORGI_LCD_MODE_VGA,
 320         .max_intensity          = 0x2f,
 321         .default_intensity      = 0x1f,
 322         .limit_mask             = 0x0b,
 323         .gpio_backlight_cont    = SPITZ_GPIO_BACKLIGHT_CONT,
 324         .gpio_backlight_on      = SPITZ_GPIO_BACKLIGHT_ON,
 325         .kick_battery           = spitz_bl_kick_battery,
 326 };
 327
 328 static struct pxa2xx_spi_chip spitz_lcdcon_chip = {
 329         .gpio_cs        = SPITZ_GPIO_LCDCON_CS,
 330 };
 331
 332 static struct pxa2xx_spi_chip spitz_max1111_chip = {
 333         .gpio_cs        = SPITZ_GPIO_MAX1111_CS,
 334 };
 335
 336 static struct spi_board_info spitz_spi_devices[] = {
 337         {
 338                 .modalias       = "ads7846",
 339                 .max_speed_hz   = 1200000,
 340                 .bus_num        = 2,
 341                 .chip_select    = 0,
 342                 .platform_data  = &spitz_ads7846_info,
 343                 .controller_data= &spitz_ads7846_chip,
 344                 .irq            = gpio_to_irq(SPITZ_GPIO_TP_INT),
 345         }, {
 346                 .modalias       = "corgi-lcd",
 347                 .max_speed_hz   = 50000,
 348                 .bus_num        = 2,
 349                 .chip_select    = 1,
 350                 .platform_data  = &spitz_lcdcon_info,
 351                 .controller_data= &spitz_lcdcon_chip,
 352         }, {
 353                 .modalias       = "max1111",
 354                 .max_speed_hz   = 450000,
 355                 .bus_num        = 2,
 356                 .chip_select    = 2,
 357                 .controller_data= &spitz_max1111_chip,
 358         },
 359 };
 360
 361 static void __init spitz_init_spi(void)
 362 {
 363         if (machine_is_akita()) {
 364                 spitz_lcdcon_info.gpio_backlight_cont = AKITA_GPIO_BACKLIGHT_CONT;
 365                 spitz_lcdcon_info.gpio_backlight_on = AKITA_GPIO_BACKLIGHT_ON;
 366         }
 367
 368         pxa2xx_set_spi_info(2, &spitz_spi_info);
 369         spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
 370 }
 371 #else
 372 static inline void spitz_init_spi(void) {}
 373 #endif
 374
 375 /*
 376  * MMC/SD Device
 377  *
 378  * The card detect interrupt isn't debounced so we delay it by 250ms
 379  * to give the card a chance to fully insert/eject.
 380  */
 381
 382 static struct pxamci_platform_data spitz_mci_platform_data;
 383
 384 static int spitz_mci_init(struct device *dev, irq_handler_t spitz_detect_int, void *data)
 385 {
 386         int err;
 387
 388         err = gpio_request(SPITZ_GPIO_nSD_DETECT, "nSD_DETECT");
 389         if (err)
 390                 goto err_out;
 391
 392         err = gpio_request(SPITZ_GPIO_nSD_WP, "nSD_WP");
 393         if (err)
 394                 goto err_free_1;
 395
 396         gpio_direction_input(SPITZ_GPIO_nSD_DETECT);
 397         gpio_direction_input(SPITZ_GPIO_nSD_WP);
 398
 399         spitz_mci_platform_data.detect_delay = msecs_to_jiffies(250);
 400
 401         err = request_irq(SPITZ_IRQ_GPIO_nSD_DETECT, spitz_detect_int,
 402                           IRQF_DISABLED | IRQF_TRIGGER_RISING |
 403                           IRQF_TRIGGER_FALLING,
 404                           "MMC card detect", data);
 405         if (err) {
 406                 pr_err("%s: MMC/SD: can't request MMC card detect IRQ\n",
 407                                 __func__);
 408                 goto err_free_2;
 409         }
 410         return 0;
 411
 412 err_free_2:
 413         gpio_free(SPITZ_GPIO_nSD_WP);
 414 err_free_1:
 415         gpio_free(SPITZ_GPIO_nSD_DETECT);
 416 err_out:
 417         return err;
 418 }
 419
 420 static void spitz_mci_setpower(struct device *dev, unsigned int vdd)
 421 {
 422         struct pxamci_platform_data* p_d = dev->platform_data;
 423
 424         if (( 1 << vdd) & p_d->ocr_mask)
 425                 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0004);
 426         else
 427                 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0000);
 428 }
 429
 430 static int spitz_mci_get_ro(struct device *dev)
 431 {
 432         return gpio_get_value(SPITZ_GPIO_nSD_WP);
 433 }
 434
 435 static void spitz_mci_exit(struct device *dev, void *data)
 436 {
 437         free_irq(SPITZ_IRQ_GPIO_nSD_DETECT, data);
 438         gpio_free(SPITZ_GPIO_nSD_WP);
 439         gpio_free(SPITZ_GPIO_nSD_DETECT);
 440 }
 441
 442 static struct pxamci_platform_data spitz_mci_platform_data = {
 443         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
 444         .init           = spitz_mci_init,
 445         .get_ro         = spitz_mci_get_ro,
 446         .setpower       = spitz_mci_setpower,
 447         .exit           = spitz_mci_exit,
 448 };
 449
 450
 451 /*
 452  * USB Host (OHCI)
 453  */
 454 static int spitz_ohci_init(struct device *dev)
 455 {
 456         int err;
 457
 458         err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST");
 459         if (err)
 460                 return err;
 461
 462         /* Only Port 2 is connected
 463          * Setup USB Port 2 Output Control Register
 464          */
 465         UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
 466
 467         return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
 468 }
 469
 470 static void spitz_ohci_exit(struct device *dev)
 471 {
 472         gpio_free(SPITZ_GPIO_USB_HOST);
 473 }
 474
 475 static struct pxaohci_platform_data spitz_ohci_platform_data = {
 476         .port_mode      = PMM_NPS_MODE,
 477         .init           = spitz_ohci_init,
 478         .exit           = spitz_ohci_exit,
 479         .flags          = ENABLE_PORT_ALL | NO_OC_PROTECTION,
 480         .power_budget   = 150,
 481 };
 482
 483
 484 /*
 485  * Irda
 486  */
 487 static int spitz_irda_startup(struct device *dev)
 488 {
 489         int rc;
 490
 491         rc = gpio_request(SPITZ_GPIO_IR_ON, "IrDA on");
 492         if (rc)
 493                 goto err;
 494
 495         rc = gpio_direction_output(SPITZ_GPIO_IR_ON, 1);
 496         if (rc)
 497                 goto err_dir;
 498
 499         return 0;
 500
 501 err_dir:
 502         gpio_free(SPITZ_GPIO_IR_ON);
 503 err:
 504         return rc;
 505 }
 506
 507 static void spitz_irda_shutdown(struct device *dev)
 508 {
 509         gpio_free(SPITZ_GPIO_IR_ON);
 510 }
 511
 512 static void spitz_irda_transceiver_mode(struct device *dev, int mode)
 513 {
 514         gpio_set_value(SPITZ_GPIO_IR_ON, mode & IR_OFF);
 515         pxa2xx_transceiver_mode(dev, mode);
 516 }
 517
 518 #ifdef CONFIG_MACH_AKITA
 519 static void akita_irda_transceiver_mode(struct device *dev, int mode)
 520 {
 521         gpio_set_value(AKITA_GPIO_IR_ON, mode & IR_OFF);
 522         pxa2xx_transceiver_mode(dev, mode);
 523 }
 524 #endif
 525
 526 static struct pxaficp_platform_data spitz_ficp_platform_data = {
 527         .transceiver_cap        = IR_SIRMODE | IR_OFF,
 528         .transceiver_mode       = spitz_irda_transceiver_mode,
 529         .startup                = spitz_irda_startup,
 530         .shutdown               = spitz_irda_shutdown,
 531 };
 532
 533
 534 /*
 535  * Spitz PXA Framebuffer
 536  */
 537
 538 static struct pxafb_mode_info spitz_pxafb_modes[] = {
 539 {
 540         .pixclock       = 19231,
 541         .xres           = 480,
 542         .yres           = 640,
 543         .bpp            = 16,
 544         .hsync_len      = 40,
 545         .left_margin    = 46,
 546         .right_margin   = 125,
 547         .vsync_len      = 3,
 548         .upper_margin   = 1,
 549         .lower_margin   = 0,
 550         .sync           = 0,
 551 },{
 552         .pixclock       = 134617,
 553         .xres           = 240,
 554         .yres           = 320,
 555         .bpp            = 16,
 556         .hsync_len      = 20,
 557         .left_margin    = 20,
 558         .right_margin   = 46,
 559         .vsync_len      = 2,
 560         .upper_margin   = 1,
 561         .lower_margin   = 0,
 562         .sync           = 0,
 563 },
 564 };
 565
 566 static struct pxafb_mach_info spitz_pxafb_info = {
 567         .modes          = &spitz_pxafb_modes[0],
 568         .num_modes      = 2,
 569         .fixed_modes    = 1,
 570         .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
 571 };
 572
 573 static struct mtd_partition sharpsl_nand_partitions[] = {
 574         {
 575                 .name = "System Area",
 576                 .offset = 0,
 577                 .size = 7 * 1024 * 1024,
 578         },
 579         {
 580                 .name = "Root Filesystem",
 581                 .offset = 7 * 1024 * 1024,
 582         },
 583         {
 584                 .name = "Home Filesystem",
 585                 .offset = MTDPART_OFS_APPEND,
 586                 .size = MTDPART_SIZ_FULL,
 587         },
 588 };
 589
 590 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
 591
 592 static struct nand_bbt_descr sharpsl_bbt = {
 593         .options = 0,
 594         .offs = 4,
 595         .len = 2,
 596         .pattern = scan_ff_pattern
 597 };
 598
 599 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
 600         .badblock_pattern       = &sharpsl_bbt,
 601         .partitions             = sharpsl_nand_partitions,
 602         .nr_partitions          = ARRAY_SIZE(sharpsl_nand_partitions),
 603 };
 604
 605 static struct resource sharpsl_nand_resources[] = {
 606         {
 607                 .start  = 0x0C000000,
 608                 .end    = 0x0C000FFF,
 609                 .flags  = IORESOURCE_MEM,
 610         },
 611 };
 612
 613 static struct platform_device sharpsl_nand_device = {
 614         .name           = "sharpsl-nand",
 615         .id             = -1,
 616         .resource       = sharpsl_nand_resources,
 617         .num_resources  = ARRAY_SIZE(sharpsl_nand_resources),
 618         .dev.platform_data      = &sharpsl_nand_platform_data,
 619 };
 620
 621
 622 static struct mtd_partition sharpsl_rom_parts[] = {
 623         {
 624                 .name   ="Boot PROM Filesystem",
 625                 .offset = 0x00140000,
 626                 .size   = MTDPART_SIZ_FULL,
 627         },
 628 };
 629
 630 static struct physmap_flash_data sharpsl_rom_data = {
 631         .width          = 2,
 632         .nr_parts       = ARRAY_SIZE(sharpsl_rom_parts),
 633         .parts          = sharpsl_rom_parts,
 634 };
 635
 636 static struct resource sharpsl_rom_resources[] = {
 637         {
 638                 .start  = 0x00000000,
 639                 .end    = 0x007fffff,
 640                 .flags  = IORESOURCE_MEM,
 641         },
 642 };
 643
 644 static struct platform_device sharpsl_rom_device = {
 645         .name   = "physmap-flash",
 646         .id     = -1,
 647         .resource = sharpsl_rom_resources,
 648         .num_resources = ARRAY_SIZE(sharpsl_rom_resources),
 649         .dev.platform_data = &sharpsl_rom_data,
 650 };
 651
 652 static struct platform_device *devices[] __initdata = {
 653         &spitzscoop_device,
 654         &spitzkbd_device,
 655         &spitzled_device,
 656         &sharpsl_nand_device,
 657         &sharpsl_rom_device,
 658 };
 659
 660 static void spitz_poweroff(void)
 661 {
 662         arm_machine_restart('g', NULL);
 663 }
 664
 665 static void spitz_restart(char mode, const char *cmd)
 666 {
 667         /* Bootloader magic for a reboot */
 668         if((MSC0 & 0xffff0000) == 0x7ff00000)
 669                 MSC0 = (MSC0 & 0xffff) | 0x7ee00000;
 670
 671         spitz_poweroff();
 672 }
 673
 674 static void __init common_init(void)
 675 {
 676         init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0);
 677         pm_power_off = spitz_poweroff;
 678         arm_pm_restart = spitz_restart;
 679
 680         if (machine_is_spitz()) {
 681                 sharpsl_nand_partitions[1].size = 5 * 1024 * 1024;
 682         } else if (machine_is_akita()) {
 683                 sharpsl_nand_partitions[1].size = 58 * 1024 * 1024;
 684         } else if (machine_is_borzoi()) {
 685                 sharpsl_nand_partitions[1].size = 32 * 1024 * 1024;
 686         }
 687
 688         PMCR = 0x00;
 689
 690         /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
 691         PCFR |= PCFR_OPDE;
 692
 693         pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));
 694
 695         spitz_init_spi();
 696
 697         platform_add_devices(devices, ARRAY_SIZE(devices));
 698         pxa_set_mci_info(&spitz_mci_platform_data);
 699         pxa_set_ohci_info(&spitz_ohci_platform_data);
 700         pxa_set_ficp_info(&spitz_ficp_platform_data);
 701         set_pxa_fb_info(&spitz_pxafb_info);
 702         pxa_set_i2c_info(NULL);
 703 }
 704
 705 #if defined(CONFIG_MACH_SPITZ) || defined(CONFIG_MACH_BORZOI)
 706 static void __init spitz_init(void)
 707 {
 708         platform_scoop_config = &spitz_pcmcia_config;
 709
 710         common_init();
 711
 712         platform_device_register(&spitzscoop2_device);
 713 }
 714 #endif
 715
 716 #ifdef CONFIG_MACH_AKITA
 717 /*
 718  * Akita IO Expander
 719  */
 720 static struct pca953x_platform_data akita_ioexp = {
 721         .gpio_base              = AKITA_IOEXP_GPIO_BASE,
 722 };
 723
 724 static struct i2c_board_info akita_i2c_board_info[] = {
 725         {
 726                 .type           = "max7310",
 727                 .addr           = 0x18,
 728                 .platform_data  = &akita_ioexp,
 729         },
 730 };
 731
 732 static struct nand_bbt_descr sharpsl_akita_bbt = {
 733         .options = 0,
 734         .offs = 4,
 735         .len = 1,
 736         .pattern = scan_ff_pattern
 737 };
 738
 739 static struct nand_ecclayout akita_oobinfo = {
 740         .eccbytes = 24,
 741         .eccpos = {
 742                    0x5, 0x1, 0x2, 0x3, 0x6, 0x7, 0x15, 0x11,
 743                    0x12, 0x13, 0x16, 0x17, 0x25, 0x21, 0x22, 0x23,
 744                    0x26, 0x27, 0x35, 0x31, 0x32, 0x33, 0x36, 0x37},
 745         .oobfree = {{0x08, 0x09}}
 746 };
 747
 748 static void __init akita_init(void)
 749 {
 750         spitz_ficp_platform_data.transceiver_mode = akita_irda_transceiver_mode;
 751
 752         sharpsl_nand_platform_data.badblock_pattern = &sharpsl_akita_bbt;
 753         sharpsl_nand_platform_data.ecc_layout = &akita_oobinfo;
 754
 755         /* We just pretend the second element of the array doesn't exist */
 756         spitz_pcmcia_config.num_devs = 1;
 757         platform_scoop_config = &spitz_pcmcia_config;
 758
 759         i2c_register_board_info(0, ARRAY_AND_SIZE(akita_i2c_board_info));
 760
 761         common_init();
 762 }
 763 #endif
 764
 765 static void __init fixup_spitz(struct machine_desc *desc,
 766                 struct tag *tags, char **cmdline, struct meminfo *mi)
 767 {
 768         sharpsl_save_param();
 769         mi->nr_banks = 1;
 770         mi->bank[0].start = 0xa0000000;
 771         mi->bank[0].node = 0;
 772         mi->bank[0].size = (64*1024*1024);
 773 }
 774
 775 #ifdef CONFIG_MACH_SPITZ
 776 MACHINE_START(SPITZ, "SHARP Spitz")
 777         .phys_io        = 0x40000000,
 778         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 779         .fixup          = fixup_spitz,
 780         .map_io         = pxa_map_io,
 781         .init_irq       = pxa27x_init_irq,
 782         .init_machine   = spitz_init,
 783         .timer          = &pxa_timer,
 784 MACHINE_END
 785 #endif
 786
 787 #ifdef CONFIG_MACH_BORZOI
 788 MACHINE_START(BORZOI, "SHARP Borzoi")
 789         .phys_io        = 0x40000000,
 790         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 791         .fixup          = fixup_spitz,
 792         .map_io         = pxa_map_io,
 793         .init_irq       = pxa27x_init_irq,
 794         .init_machine   = spitz_init,
 795         .timer          = &pxa_timer,
 796 MACHINE_END
 797 #endif
 798
 799 #ifdef CONFIG_MACH_AKITA
 800 MACHINE_START(AKITA, "SHARP Akita")
 801         .phys_io        = 0x40000000,
 802         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 803         .fixup          = fixup_spitz,
 804         .map_io         = pxa_map_io,
 805         .init_irq       = pxa27x_init_irq,
 806         .init_machine   = akita_init,
 807         .timer          = &pxa_timer,
 808 MACHINE_END
 809 #endif