arch/arm/mach-pxa/spitz.c

   1 /*
   2  * Support for Sharp SL-Cxx00 Series of PDAs
   3  * Models: SL-C3000 (Spitz), SL-C1000 (Akita) and SL-C3100 (Borzoi)
   4  *
   5  * Copyright (c) 2005 Richard Purdie
   6  *
   7  * Based on Sharp's 2.4 kernel patches/lubbock.c
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12  *
  13  */
  14
  15 #include <linux/kernel.h>
  16 #include <linux/init.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/delay.h>
  19 #include <linux/major.h>
  20 #include <linux/fs.h>
  21 #include <linux/interrupt.h>
  22 #include <linux/gpio.h>
  23 #include <linux/leds.h>
  24 #include <linux/mmc/host.h>
  25 #include <linux/mtd/physmap.h>
  26 #include <linux/pm.h>
  27 #include <linux/backlight.h>
  28 #include <linux/io.h>
  29 #include <linux/i2c.h>
  30 #include <linux/i2c/pca953x.h>
  31 #include <linux/spi/spi.h>
  32 #include <linux/spi/ads7846.h>
  33 #include <linux/spi/corgi_lcd.h>
  34 #include <linux/mtd/sharpsl.h>
  35
  36 #include <asm/setup.h>
  37 #include <asm/memory.h>
  38 #include <asm/mach-types.h>
  39 #include <mach/hardware.h>
  40 #include <asm/irq.h>
  41 #include <asm/system.h>
  42
  43 #include <asm/mach/arch.h>
  44 #include <asm/mach/map.h>
  45 #include <asm/mach/irq.h>
  46
  47 #include <mach/pxa27x.h>
  48 #include <mach/pxa27x-udc.h>
  49 #include <mach/reset.h>
  50 #include <mach/i2c.h>
  51 #include <mach/irda.h>
  52 #include <mach/mmc.h>
  53 #include <mach/ohci.h>
  54 #include <mach/udc.h>
  55 #include <mach/pxafb.h>
  56 #include <mach/pxa2xx_spi.h>
  57 #include <mach/spitz.h>
  58 #include <mach/sharpsl.h>
  59
  60 #include <asm/mach/sharpsl_param.h>
  61 #include <asm/hardware/scoop.h>
  62
  63 #include "generic.h"
  64 #include "devices.h"
  65 #include "sharpsl.h"
  66
  67 static unsigned long spitz_pin_config[] __initdata = {
  68         /* Chip Selects */
  69         GPIO78_nCS_2,   /* SCOOP #2 */
  70         GPIO79_nCS_3,   /* NAND */
  71         GPIO80_nCS_4,   /* SCOOP #1 */
  72
  73         /* LCD - 16bpp Active TFT */
  74         GPIO58_LCD_LDD_0,
  75         GPIO59_LCD_LDD_1,
  76         GPIO60_LCD_LDD_2,
  77         GPIO61_LCD_LDD_3,
  78         GPIO62_LCD_LDD_4,
  79         GPIO63_LCD_LDD_5,
  80         GPIO64_LCD_LDD_6,
  81         GPIO65_LCD_LDD_7,
  82         GPIO66_LCD_LDD_8,
  83         GPIO67_LCD_LDD_9,
  84         GPIO68_LCD_LDD_10,
  85         GPIO69_LCD_LDD_11,
  86         GPIO70_LCD_LDD_12,
  87         GPIO71_LCD_LDD_13,
  88         GPIO72_LCD_LDD_14,
  89         GPIO73_LCD_LDD_15,
  90         GPIO74_LCD_FCLK,
  91         GPIO75_LCD_LCLK,
  92         GPIO76_LCD_PCLK,
  93
  94         /* PC Card */
  95         GPIO48_nPOE,
  96         GPIO49_nPWE,
  97         GPIO50_nPIOR,
  98         GPIO51_nPIOW,
  99         GPIO85_nPCE_1,
 100         GPIO54_nPCE_2,
 101         GPIO55_nPREG,
 102         GPIO56_nPWAIT,
 103         GPIO57_nIOIS16,
 104         GPIO104_PSKTSEL,
 105
 106         /* I2S */
 107         GPIO28_I2S_BITCLK_OUT,
 108         GPIO29_I2S_SDATA_IN,
 109         GPIO30_I2S_SDATA_OUT,
 110         GPIO31_I2S_SYNC,
 111
 112         /* MMC */
 113         GPIO32_MMC_CLK,
 114         GPIO112_MMC_CMD,
 115         GPIO92_MMC_DAT_0,
 116         GPIO109_MMC_DAT_1,
 117         GPIO110_MMC_DAT_2,
 118         GPIO111_MMC_DAT_3,
 119
 120         /* GPIOs */
 121         GPIO9_GPIO,     /* SPITZ_GPIO_nSD_DETECT */
 122         GPIO81_GPIO,    /* SPITZ_GPIO_nSD_WP */
 123         GPIO41_GPIO,    /* SPITZ_GPIO_USB_CONNECT */
 124         GPIO37_GPIO,    /* SPITZ_GPIO_USB_HOST */
 125         GPIO35_GPIO,    /* SPITZ_GPIO_USB_DEVICE */
 126         GPIO22_GPIO,    /* SPITZ_GPIO_HSYNC */
 127         GPIO94_GPIO,    /* SPITZ_GPIO_CF_CD */
 128         GPIO105_GPIO,   /* SPITZ_GPIO_CF_IRQ */
 129         GPIO106_GPIO,   /* SPITZ_GPIO_CF2_IRQ */
 130
 131         /* I2C */
 132         GPIO117_I2C_SCL,
 133         GPIO118_I2C_SDA,
 134
 135         GPIO1_GPIO | WAKEUP_ON_EDGE_RISE,
 136 };
 137
 138 /*
 139  * Spitz SCOOP Device #1
 140  */
 141 static struct resource spitz_scoop_resources[] = {
 142         [0] = {
 143                 .start          = 0x10800000,
 144                 .end            = 0x10800fff,
 145                 .flags          = IORESOURCE_MEM,
 146         },
 147 };
 148
 149 static struct scoop_config spitz_scoop_setup = {
 150         .io_dir         = SPITZ_SCP_IO_DIR,
 151         .io_out         = SPITZ_SCP_IO_OUT,
 152         .suspend_clr    = SPITZ_SCP_SUS_CLR,
 153         .suspend_set    = SPITZ_SCP_SUS_SET,
 154         .gpio_base      = SPITZ_SCP_GPIO_BASE,
 155 };
 156
 157 struct platform_device spitzscoop_device = {
 158         .name           = "sharp-scoop",
 159         .id             = 0,
 160         .dev            = {
 161                 .platform_data  = &spitz_scoop_setup,
 162         },
 163         .num_resources  = ARRAY_SIZE(spitz_scoop_resources),
 164         .resource       = spitz_scoop_resources,
 165 };
 166
 167 /*
 168  * Spitz SCOOP Device #2
 169  */
 170 static struct resource spitz_scoop2_resources[] = {
 171         [0] = {
 172                 .start          = 0x08800040,
 173                 .end            = 0x08800fff,
 174                 .flags          = IORESOURCE_MEM,
 175         },
 176 };
 177
 178 static struct scoop_config spitz_scoop2_setup = {
 179         .io_dir         = SPITZ_SCP2_IO_DIR,
 180         .io_out         = SPITZ_SCP2_IO_OUT,
 181         .suspend_clr    = SPITZ_SCP2_SUS_CLR,
 182         .suspend_set    = SPITZ_SCP2_SUS_SET,
 183         .gpio_base      = SPITZ_SCP2_GPIO_BASE,
 184 };
 185
 186 struct platform_device spitzscoop2_device = {
 187         .name           = "sharp-scoop",
 188         .id             = 1,
 189         .dev            = {
 190                 .platform_data  = &spitz_scoop2_setup,
 191         },
 192         .num_resources  = ARRAY_SIZE(spitz_scoop2_resources),
 193         .resource       = spitz_scoop2_resources,
 194 };
 195
 196 #define SPITZ_PWR_SD 0x01
 197 #define SPITZ_PWR_CF 0x02
 198
 199 /* Power control is shared with between one of the CF slots and SD */
 200 static void spitz_card_pwr_ctrl(int device, unsigned short new_cpr)
 201 {
 202         unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR);
 203
 204         if (new_cpr & 0x0007) {
 205                 gpio_set_value(SPITZ_GPIO_CF_POWER, 1);
 206                 if (!(cpr & 0x0002) && !(cpr & 0x0004))
 207                         mdelay(5);
 208                 if (device == SPITZ_PWR_CF)
 209                         cpr |= 0x0002;
 210                 if (device == SPITZ_PWR_SD)
 211                         cpr |= 0x0004;
 212                 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
 213         } else {
 214                 if (device == SPITZ_PWR_CF)
 215                         cpr &= ~0x0002;
 216                 if (device == SPITZ_PWR_SD)
 217                         cpr &= ~0x0004;
 218                 if (!(cpr & 0x0002) && !(cpr & 0x0004)) {
 219                         write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, 0x0000);
 220                         mdelay(1);
 221                         gpio_set_value(SPITZ_GPIO_CF_POWER, 0);
 222                 } else {
 223                         write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
 224                 }
 225         }
 226 }
 227
 228 static void spitz_pcmcia_pwr(struct device *scoop, unsigned short cpr, int nr)
 229 {
 230         /* Only need to override behaviour for slot 0 */
 231         if (nr == 0)
 232                 spitz_card_pwr_ctrl(SPITZ_PWR_CF, cpr);
 233         else
 234                 write_scoop_reg(scoop, SCOOP_CPR, cpr);
 235 }
 236
 237 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
 238 {
 239         .dev        = &spitzscoop_device.dev,
 240         .irq        = SPITZ_IRQ_GPIO_CF_IRQ,
 241         .cd_irq     = SPITZ_IRQ_GPIO_CF_CD,
 242         .cd_irq_str = "PCMCIA0 CD",
 243 },{
 244         .dev        = &spitzscoop2_device.dev,
 245         .irq        = SPITZ_IRQ_GPIO_CF2_IRQ,
 246         .cd_irq     = -1,
 247 },
 248 };
 249
 250 static struct scoop_pcmcia_config spitz_pcmcia_config = {
 251         .devs         = &spitz_pcmcia_scoop[0],
 252         .num_devs     = 2,
 253         .power_ctrl   = spitz_pcmcia_pwr,
 254 };
 255
 256 EXPORT_SYMBOL(spitzscoop_device);
 257 EXPORT_SYMBOL(spitzscoop2_device);
 258
 259 /*
 260  * Spitz Keyboard Device
 261  */
 262 static struct platform_device spitzkbd_device = {
 263         .name           = "spitz-keyboard",
 264         .id             = -1,
 265 };
 266
 267
 268 /*
 269  * Spitz LEDs
 270  */
 271 static struct gpio_led spitz_gpio_leds[] = {
 272         {
 273                 .name                   = "spitz:amber:charge",
 274                 .default_trigger        = "sharpsl-charge",
 275                 .gpio                   = SPITZ_GPIO_LED_ORANGE,
 276         },
 277         {
 278                 .name                   = "spitz:green:hddactivity",
 279                 .default_trigger        = "ide-disk",
 280                 .gpio                   = SPITZ_GPIO_LED_GREEN,
 281         },
 282 };
 283
 284 static struct gpio_led_platform_data spitz_gpio_leds_info = {
 285         .leds           = spitz_gpio_leds,
 286         .num_leds       = ARRAY_SIZE(spitz_gpio_leds),
 287 };
 288
 289 static struct platform_device spitzled_device = {
 290         .name           = "leds-gpio",
 291         .id             = -1,
 292         .dev            = {
 293                 .platform_data = &spitz_gpio_leds_info,
 294         },
 295 };
 296
 297 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
 298 static struct pxa2xx_spi_master spitz_spi_info = {
 299         .num_chipselect = 3,
 300 };
 301
 302 static struct ads7846_platform_data spitz_ads7846_info = {
 303         .model                  = 7846,
 304         .vref_delay_usecs       = 100,
 305         .x_plate_ohms           = 419,
 306         .y_plate_ohms           = 486,
 307         .gpio_pendown           = SPITZ_GPIO_TP_INT,
 308 };
 309
 310 static void spitz_ads7846_cs(u32 command)
 311 {
 312         gpio_set_value(SPITZ_GPIO_ADS7846_CS, !(command == PXA2XX_CS_ASSERT));
 313 }
 314
 315 static struct pxa2xx_spi_chip spitz_ads7846_chip = {
 316         .cs_control             = spitz_ads7846_cs,
 317 };
 318
 319 static void spitz_bl_kick_battery(void)
 320 {
 321         void (*kick_batt)(void);
 322
 323         kick_batt = symbol_get(sharpsl_battery_kick);
 324         if (kick_batt) {
 325                 kick_batt();
 326                 symbol_put(sharpsl_battery_kick);
 327         }
 328 }
 329
 330 static struct corgi_lcd_platform_data spitz_lcdcon_info = {
 331         .init_mode              = CORGI_LCD_MODE_VGA,
 332         .max_intensity          = 0x2f,
 333         .default_intensity      = 0x1f,
 334         .limit_mask             = 0x0b,
 335         .gpio_backlight_cont    = SPITZ_GPIO_BACKLIGHT_CONT,
 336         .gpio_backlight_on      = SPITZ_GPIO_BACKLIGHT_ON,
 337         .kick_battery           = spitz_bl_kick_battery,
 338 };
 339
 340 static void spitz_lcdcon_cs(u32 command)
 341 {
 342         gpio_set_value(SPITZ_GPIO_LCDCON_CS, !(command == PXA2XX_CS_ASSERT));
 343 }
 344
 345 static struct pxa2xx_spi_chip spitz_lcdcon_chip = {
 346         .cs_control     = spitz_lcdcon_cs,
 347 };
 348
 349 static void spitz_max1111_cs(u32 command)
 350 {
 351         gpio_set_value(SPITZ_GPIO_MAX1111_CS, !(command == PXA2XX_CS_ASSERT));
 352 }
 353
 354 static struct pxa2xx_spi_chip spitz_max1111_chip = {
 355         .cs_control     = spitz_max1111_cs,
 356 };
 357
 358 static struct spi_board_info spitz_spi_devices[] = {
 359         {
 360                 .modalias       = "ads7846",
 361                 .max_speed_hz   = 1200000,
 362                 .bus_num        = 2,
 363                 .chip_select    = 0,
 364                 .platform_data  = &spitz_ads7846_info,
 365                 .controller_data= &spitz_ads7846_chip,
 366                 .irq            = gpio_to_irq(SPITZ_GPIO_TP_INT),
 367         }, {
 368                 .modalias       = "corgi-lcd",
 369                 .max_speed_hz   = 50000,
 370                 .bus_num        = 2,
 371                 .chip_select    = 1,
 372                 .platform_data  = &spitz_lcdcon_info,
 373                 .controller_data= &spitz_lcdcon_chip,
 374         }, {
 375                 .modalias       = "max1111",
 376                 .max_speed_hz   = 450000,
 377                 .bus_num        = 2,
 378                 .chip_select    = 2,
 379                 .controller_data= &spitz_max1111_chip,
 380         },
 381 };
 382
 383 static void __init spitz_init_spi(void)
 384 {
 385         int err;
 386
 387         err = gpio_request(SPITZ_GPIO_ADS7846_CS, "ADS7846_CS");
 388         if (err)
 389                 return;
 390
 391         err = gpio_request(SPITZ_GPIO_LCDCON_CS, "LCDCON_CS");
 392         if (err)
 393                 goto err_free_1;
 394
 395         err = gpio_request(SPITZ_GPIO_MAX1111_CS, "MAX1111_CS");
 396         if (err)
 397                 goto err_free_2;
 398
 399         err = gpio_direction_output(SPITZ_GPIO_ADS7846_CS, 1);
 400         if (err)
 401                 goto err_free_3;
 402         err = gpio_direction_output(SPITZ_GPIO_LCDCON_CS, 1);
 403         if (err)
 404                 goto err_free_3;
 405         err = gpio_direction_output(SPITZ_GPIO_MAX1111_CS, 1);
 406         if (err)
 407                 goto err_free_3;
 408
 409         if (machine_is_akita()) {
 410                 spitz_lcdcon_info.gpio_backlight_cont = AKITA_GPIO_BACKLIGHT_CONT;
 411                 spitz_lcdcon_info.gpio_backlight_on = AKITA_GPIO_BACKLIGHT_ON;
 412         }
 413
 414         pxa2xx_set_spi_info(2, &spitz_spi_info);
 415         spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
 416         return;
 417
 418 err_free_3:
 419         gpio_free(SPITZ_GPIO_MAX1111_CS);
 420 err_free_2:
 421         gpio_free(SPITZ_GPIO_LCDCON_CS);
 422 err_free_1:
 423         gpio_free(SPITZ_GPIO_ADS7846_CS);
 424 }
 425 #else
 426 static inline void spitz_init_spi(void) {}
 427 #endif
 428
 429 /*
 430  * MMC/SD Device
 431  *
 432  * The card detect interrupt isn't debounced so we delay it by 250ms
 433  * to give the card a chance to fully insert/eject.
 434  */
 435
 436 static struct pxamci_platform_data spitz_mci_platform_data;
 437
 438 static int spitz_mci_init(struct device *dev, irq_handler_t spitz_detect_int, void *data)
 439 {
 440         int err;
 441
 442         err = gpio_request(SPITZ_GPIO_nSD_DETECT, "nSD_DETECT");
 443         if (err)
 444                 goto err_out;
 445
 446         err = gpio_request(SPITZ_GPIO_nSD_WP, "nSD_WP");
 447         if (err)
 448                 goto err_free_1;
 449
 450         gpio_direction_input(SPITZ_GPIO_nSD_DETECT);
 451         gpio_direction_input(SPITZ_GPIO_nSD_WP);
 452
 453         spitz_mci_platform_data.detect_delay = msecs_to_jiffies(250);
 454
 455         err = request_irq(SPITZ_IRQ_GPIO_nSD_DETECT, spitz_detect_int,
 456                           IRQF_DISABLED | IRQF_TRIGGER_RISING |
 457                           IRQF_TRIGGER_FALLING,
 458                           "MMC card detect", data);
 459         if (err) {
 460                 pr_err("%s: MMC/SD: can't request MMC card detect IRQ\n",
 461                                 __func__);
 462                 goto err_free_2;
 463         }
 464         return 0;
 465
 466 err_free_2:
 467         gpio_free(SPITZ_GPIO_nSD_WP);
 468 err_free_1:
 469         gpio_free(SPITZ_GPIO_nSD_DETECT);
 470 err_out:
 471         return err;
 472 }
 473
 474 static void spitz_mci_setpower(struct device *dev, unsigned int vdd)
 475 {
 476         struct pxamci_platform_data* p_d = dev->platform_data;
 477
 478         if (( 1 << vdd) & p_d->ocr_mask)
 479                 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0004);
 480         else
 481                 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0000);
 482 }
 483
 484 static int spitz_mci_get_ro(struct device *dev)
 485 {
 486         return gpio_get_value(SPITZ_GPIO_nSD_WP);
 487 }
 488
 489 static void spitz_mci_exit(struct device *dev, void *data)
 490 {
 491         free_irq(SPITZ_IRQ_GPIO_nSD_DETECT, data);
 492         gpio_free(SPITZ_GPIO_nSD_WP);
 493         gpio_free(SPITZ_GPIO_nSD_DETECT);
 494 }
 495
 496 static struct pxamci_platform_data spitz_mci_platform_data = {
 497         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
 498         .init           = spitz_mci_init,
 499         .get_ro         = spitz_mci_get_ro,
 500         .setpower       = spitz_mci_setpower,
 501         .exit           = spitz_mci_exit,
 502 };
 503
 504
 505 /*
 506  * USB Host (OHCI)
 507  */
 508 static int spitz_ohci_init(struct device *dev)
 509 {
 510         int err;
 511
 512         err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST");
 513         if (err)
 514                 return err;
 515
 516         /* Only Port 2 is connected
 517          * Setup USB Port 2 Output Control Register
 518          */
 519         UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
 520
 521         return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
 522 }
 523
 524 static struct pxaohci_platform_data spitz_ohci_platform_data = {
 525         .port_mode      = PMM_NPS_MODE,
 526         .init           = spitz_ohci_init,
 527         .flags          = ENABLE_PORT_ALL | NO_OC_PROTECTION,
 528         .power_budget   = 150,
 529 };
 530
 531
 532 /*
 533  * Irda
 534  */
 535 static int spitz_irda_startup(struct device *dev)
 536 {
 537         int rc;
 538
 539         rc = gpio_request(SPITZ_GPIO_IR_ON, "IrDA on");
 540         if (rc)
 541                 goto err;
 542
 543         rc = gpio_direction_output(SPITZ_GPIO_IR_ON, 1);
 544         if (rc)
 545                 goto err_dir;
 546
 547         return 0;
 548
 549 err_dir:
 550         gpio_free(SPITZ_GPIO_IR_ON);
 551 err:
 552         return rc;
 553 }
 554
 555 static void spitz_irda_shutdown(struct device *dev)
 556 {
 557         gpio_free(SPITZ_GPIO_IR_ON);
 558 }
 559
 560 static void spitz_irda_transceiver_mode(struct device *dev, int mode)
 561 {
 562         gpio_set_value(SPITZ_GPIO_IR_ON, mode & IR_OFF);
 563         pxa2xx_transceiver_mode(dev, mode);
 564 }
 565
 566 #ifdef CONFIG_MACH_AKITA
 567 static void akita_irda_transceiver_mode(struct device *dev, int mode)
 568 {
 569         gpio_set_value(AKITA_GPIO_IR_ON, mode & IR_OFF);
 570         pxa2xx_transceiver_mode(dev, mode);
 571 }
 572 #endif
 573
 574 static struct pxaficp_platform_data spitz_ficp_platform_data = {
 575         .transceiver_cap        = IR_SIRMODE | IR_OFF,
 576         .transceiver_mode       = spitz_irda_transceiver_mode,
 577         .startup                = spitz_irda_startup,
 578         .shutdown               = spitz_irda_shutdown,
 579 };
 580
 581
 582 /*
 583  * Spitz PXA Framebuffer
 584  */
 585
 586 static struct pxafb_mode_info spitz_pxafb_modes[] = {
 587 {
 588         .pixclock       = 19231,
 589         .xres           = 480,
 590         .yres           = 640,
 591         .bpp            = 16,
 592         .hsync_len      = 40,
 593         .left_margin    = 46,
 594         .right_margin   = 125,
 595         .vsync_len      = 3,
 596         .upper_margin   = 1,
 597         .lower_margin   = 0,
 598         .sync           = 0,
 599 },{
 600         .pixclock       = 134617,
 601         .xres           = 240,
 602         .yres           = 320,
 603         .bpp            = 16,
 604         .hsync_len      = 20,
 605         .left_margin    = 20,
 606         .right_margin   = 46,
 607         .vsync_len      = 2,
 608         .upper_margin   = 1,
 609         .lower_margin   = 0,
 610         .sync           = 0,
 611 },
 612 };
 613
 614 static struct pxafb_mach_info spitz_pxafb_info = {
 615         .modes          = &spitz_pxafb_modes[0],
 616         .num_modes      = 2,
 617         .fixed_modes    = 1,
 618         .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
 619 };
 620
 621 static struct mtd_partition sharpsl_nand_partitions[] = {
 622         {
 623                 .name = "System Area",
 624                 .offset = 0,
 625                 .size = 7 * 1024 * 1024,
 626         },
 627         {
 628                 .name = "Root Filesystem",
 629                 .offset = 7 * 1024 * 1024,
 630         },
 631         {
 632                 .name = "Home Filesystem",
 633                 .offset = MTDPART_OFS_APPEND,
 634                 .size = MTDPART_SIZ_FULL,
 635         },
 636 };
 637
 638 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
 639
 640 static struct nand_bbt_descr sharpsl_bbt = {
 641         .options = 0,
 642         .offs = 4,
 643         .len = 2,
 644         .pattern = scan_ff_pattern
 645 };
 646
 647 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
 648         .badblock_pattern       = &sharpsl_bbt,
 649         .partitions             = sharpsl_nand_partitions,
 650         .nr_partitions          = ARRAY_SIZE(sharpsl_nand_partitions),
 651 };
 652
 653 static struct resource sharpsl_nand_resources[] = {
 654         {
 655                 .start  = 0x0C000000,
 656                 .end    = 0x0C000FFF,
 657                 .flags  = IORESOURCE_MEM,
 658         },
 659 };
 660
 661 static struct platform_device sharpsl_nand_device = {
 662         .name           = "sharpsl-nand",
 663         .id             = -1,
 664         .resource       = sharpsl_nand_resources,
 665         .num_resources  = ARRAY_SIZE(sharpsl_nand_resources),
 666         .dev.platform_data      = &sharpsl_nand_platform_data,
 667 };
 668
 669
 670 static struct mtd_partition sharpsl_rom_parts[] = {
 671         {
 672                 .name   ="Boot PROM Filesystem",
 673                 .offset = 0x00140000,
 674                 .size   = MTDPART_SIZ_FULL,
 675         },
 676 };
 677
 678 static struct physmap_flash_data sharpsl_rom_data = {
 679         .width          = 2,
 680         .nr_parts       = ARRAY_SIZE(sharpsl_rom_parts),
 681         .parts          = sharpsl_rom_parts,
 682 };
 683
 684 static struct resource sharpsl_rom_resources[] = {
 685         {
 686                 .start  = 0x00000000,
 687                 .end    = 0x007fffff,
 688                 .flags  = IORESOURCE_MEM,
 689         },
 690 };
 691
 692 static struct platform_device sharpsl_rom_device = {
 693         .name   = "physmap-flash",
 694         .id     = -1,
 695         .resource = sharpsl_rom_resources,
 696         .num_resources = ARRAY_SIZE(sharpsl_rom_resources),
 697         .dev.platform_data = &sharpsl_rom_data,
 698 };
 699
 700 static struct platform_device *devices[] __initdata = {
 701         &spitzscoop_device,
 702         &spitzkbd_device,
 703         &spitzled_device,
 704         &sharpsl_nand_device,
 705         &sharpsl_rom_device,
 706 };
 707
 708 static void spitz_poweroff(void)
 709 {
 710         arm_machine_restart('g', NULL);
 711 }
 712
 713 static void spitz_restart(char mode, const char *cmd)
 714 {
 715         /* Bootloader magic for a reboot */
 716         if((MSC0 & 0xffff0000) == 0x7ff00000)
 717                 MSC0 = (MSC0 & 0xffff) | 0x7ee00000;
 718
 719         spitz_poweroff();
 720 }
 721
 722 static void __init common_init(void)
 723 {
 724         init_gpio_reset(SPITZ_GPIO_ON_RESET, 1);
 725         pm_power_off = spitz_poweroff;
 726         arm_pm_restart = spitz_restart;
 727
 728         if (machine_is_spitz()) {
 729                 sharpsl_nand_partitions[1].size = 5 * 1024 * 1024;
 730         } else if (machine_is_akita()) {
 731                 sharpsl_nand_partitions[1].size = 58 * 1024 * 1024;
 732         } else if (machine_is_borzoi()) {
 733                 sharpsl_nand_partitions[1].size = 32 * 1024 * 1024;
 734         }
 735
 736         PMCR = 0x00;
 737
 738         /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
 739         PCFR |= PCFR_OPDE;
 740
 741         pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));
 742
 743         spitz_init_spi();
 744
 745         platform_add_devices(devices, ARRAY_SIZE(devices));
 746         pxa_set_mci_info(&spitz_mci_platform_data);
 747         pxa_set_ohci_info(&spitz_ohci_platform_data);
 748         pxa_set_ficp_info(&spitz_ficp_platform_data);
 749         set_pxa_fb_info(&spitz_pxafb_info);
 750         pxa_set_i2c_info(NULL);
 751 }
 752
 753 #if defined(CONFIG_MACH_SPITZ) || defined(CONFIG_MACH_BORZOI)
 754 static void __init spitz_init(void)
 755 {
 756         platform_scoop_config = &spitz_pcmcia_config;
 757
 758         common_init();
 759
 760         platform_device_register(&spitzscoop2_device);
 761 }
 762 #endif
 763
 764 #ifdef CONFIG_MACH_AKITA
 765 /*
 766  * Akita IO Expander
 767  */
 768 static struct pca953x_platform_data akita_ioexp = {
 769         .gpio_base              = AKITA_IOEXP_GPIO_BASE,
 770 };
 771
 772 static struct i2c_board_info akita_i2c_board_info[] = {
 773         {
 774                 .type           = "max7310",
 775                 .addr           = 0x18,
 776                 .platform_data  = &akita_ioexp,
 777         },
 778 };
 779
 780 static struct nand_bbt_descr sharpsl_akita_bbt = {
 781         .options = 0,
 782         .offs = 4,
 783         .len = 1,
 784         .pattern = scan_ff_pattern
 785 };
 786
 787 static struct nand_ecclayout akita_oobinfo = {
 788         .eccbytes = 24,
 789         .eccpos = {
 790                    0x5, 0x1, 0x2, 0x3, 0x6, 0x7, 0x15, 0x11,
 791                    0x12, 0x13, 0x16, 0x17, 0x25, 0x21, 0x22, 0x23,
 792                    0x26, 0x27, 0x35, 0x31, 0x32, 0x33, 0x36, 0x37},
 793         .oobfree = {{0x08, 0x09}}
 794 };
 795
 796 static void __init akita_init(void)
 797 {
 798         spitz_ficp_platform_data.transceiver_mode = akita_irda_transceiver_mode;
 799
 800         sharpsl_nand_platform_data.badblock_pattern = &sharpsl_akita_bbt;
 801         sharpsl_nand_platform_data.ecc_layout = &akita_oobinfo;
 802
 803         /* We just pretend the second element of the array doesn't exist */
 804         spitz_pcmcia_config.num_devs = 1;
 805         platform_scoop_config = &spitz_pcmcia_config;
 806
 807         i2c_register_board_info(0, ARRAY_AND_SIZE(akita_i2c_board_info));
 808
 809         common_init();
 810 }
 811 #endif
 812
 813 static void __init fixup_spitz(struct machine_desc *desc,
 814                 struct tag *tags, char **cmdline, struct meminfo *mi)
 815 {
 816         sharpsl_save_param();
 817         mi->nr_banks = 1;
 818         mi->bank[0].start = 0xa0000000;
 819         mi->bank[0].node = 0;
 820         mi->bank[0].size = (64*1024*1024);
 821 }
 822
 823 #ifdef CONFIG_MACH_SPITZ
 824 MACHINE_START(SPITZ, "SHARP Spitz")
 825         .phys_io        = 0x40000000,
 826         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 827         .fixup          = fixup_spitz,
 828         .map_io         = pxa_map_io,
 829         .init_irq       = pxa27x_init_irq,
 830         .init_machine   = spitz_init,
 831         .timer          = &pxa_timer,
 832 MACHINE_END
 833 #endif
 834
 835 #ifdef CONFIG_MACH_BORZOI
 836 MACHINE_START(BORZOI, "SHARP Borzoi")
 837         .phys_io        = 0x40000000,
 838         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 839         .fixup          = fixup_spitz,
 840         .map_io         = pxa_map_io,
 841         .init_irq       = pxa27x_init_irq,
 842         .init_machine   = spitz_init,
 843         .timer          = &pxa_timer,
 844 MACHINE_END
 845 #endif
 846
 847 #ifdef CONFIG_MACH_AKITA
 848 MACHINE_START(AKITA, "SHARP Akita")
 849         .phys_io        = 0x40000000,
 850         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 851         .fixup          = fixup_spitz,
 852         .map_io         = pxa_map_io,
 853         .init_irq       = pxa27x_init_irq,
 854         .init_machine   = akita_init,
 855         .timer          = &pxa_timer,
 856 MACHINE_END
 857 #endif