arch/arm/mach-pxa/spitz.c

   1 /*
   2  * Support for Sharp SL-Cxx00 Series of PDAs
   3  * Models: SL-C3000 (Spitz), SL-C1000 (Akita) and SL-C3100 (Borzoi)
   4  *
   5  * Copyright (c) 2005 Richard Purdie
   6  *
   7  * Based on Sharp's 2.4 kernel patches/lubbock.c
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12  *
  13  */
  14
  15 #include <linux/kernel.h>
  16 #include <linux/init.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/delay.h>
  19 #include <linux/major.h>
  20 #include <linux/fs.h>
  21 #include <linux/interrupt.h>
  22 #include <linux/gpio.h>
  23 #include <linux/leds.h>
  24 #include <linux/mmc/host.h>
  25 #include <linux/mtd/physmap.h>
  26 #include <linux/pm.h>
  27 #include <linux/backlight.h>
  28 #include <linux/io.h>
  29 #include <linux/i2c.h>
  30 #include <linux/i2c/pca953x.h>
  31 #include <linux/spi/spi.h>
  32 #include <linux/spi/ads7846.h>
  33 #include <linux/spi/corgi_lcd.h>
  34 #include <linux/mtd/sharpsl.h>
  35
  36 #include <asm/setup.h>
  37 #include <asm/memory.h>
  38 #include <asm/mach-types.h>
  39 #include <mach/hardware.h>
  40 #include <asm/irq.h>
  41 #include <asm/system.h>
  42
  43 #include <asm/mach/arch.h>
  44 #include <asm/mach/map.h>
  45 #include <asm/mach/irq.h>
  46
  47 #include <mach/pxa-regs.h>
  48 #include <mach/pxa2xx-regs.h>
  49 #include <mach/mfp-pxa27x.h>
  50 #include <mach/pxa27x-udc.h>
  51 #include <mach/reset.h>
  52 #include <mach/i2c.h>
  53 #include <mach/irda.h>
  54 #include <mach/mmc.h>
  55 #include <mach/ohci.h>
  56 #include <mach/udc.h>
  57 #include <mach/pxafb.h>
  58 #include <mach/pxa2xx_spi.h>
  59 #include <mach/spitz.h>
  60 #include <mach/sharpsl.h>
  61
  62 #include <asm/mach/sharpsl_param.h>
  63 #include <asm/hardware/scoop.h>
  64
  65 #include "generic.h"
  66 #include "devices.h"
  67 #include "sharpsl.h"
  68
  69 static unsigned long spitz_pin_config[] __initdata = {
  70         /* Chip Selects */
  71         GPIO78_nCS_2,   /* SCOOP #2 */
  72         GPIO79_nCS_3,   /* NAND */
  73         GPIO80_nCS_4,   /* SCOOP #1 */
  74
  75         /* LCD - 16bpp Active TFT */
  76         GPIO58_LCD_LDD_0,
  77         GPIO59_LCD_LDD_1,
  78         GPIO60_LCD_LDD_2,
  79         GPIO61_LCD_LDD_3,
  80         GPIO62_LCD_LDD_4,
  81         GPIO63_LCD_LDD_5,
  82         GPIO64_LCD_LDD_6,
  83         GPIO65_LCD_LDD_7,
  84         GPIO66_LCD_LDD_8,
  85         GPIO67_LCD_LDD_9,
  86         GPIO68_LCD_LDD_10,
  87         GPIO69_LCD_LDD_11,
  88         GPIO70_LCD_LDD_12,
  89         GPIO71_LCD_LDD_13,
  90         GPIO72_LCD_LDD_14,
  91         GPIO73_LCD_LDD_15,
  92         GPIO74_LCD_FCLK,
  93         GPIO75_LCD_LCLK,
  94         GPIO76_LCD_PCLK,
  95
  96         /* PC Card */
  97         GPIO48_nPOE,
  98         GPIO49_nPWE,
  99         GPIO50_nPIOR,
 100         GPIO51_nPIOW,
 101         GPIO85_nPCE_1,
 102         GPIO54_nPCE_2,
 103         GPIO55_nPREG,
 104         GPIO56_nPWAIT,
 105         GPIO57_nIOIS16,
 106         GPIO104_PSKTSEL,
 107
 108         /* MMC */
 109         GPIO32_MMC_CLK,
 110         GPIO112_MMC_CMD,
 111         GPIO92_MMC_DAT_0,
 112         GPIO109_MMC_DAT_1,
 113         GPIO110_MMC_DAT_2,
 114         GPIO111_MMC_DAT_3,
 115
 116         /* GPIOs */
 117         GPIO9_GPIO,     /* SPITZ_GPIO_nSD_DETECT */
 118         GPIO81_GPIO,    /* SPITZ_GPIO_nSD_WP */
 119         GPIO41_GPIO,    /* SPITZ_GPIO_USB_CONNECT */
 120         GPIO37_GPIO,    /* SPITZ_GPIO_USB_HOST */
 121         GPIO35_GPIO,    /* SPITZ_GPIO_USB_DEVICE */
 122         GPIO22_GPIO,    /* SPITZ_GPIO_HSYNC */
 123         GPIO94_GPIO,    /* SPITZ_GPIO_CF_CD */
 124         GPIO105_GPIO,   /* SPITZ_GPIO_CF_IRQ */
 125         GPIO106_GPIO,   /* SPITZ_GPIO_CF2_IRQ */
 126
 127         /* I2C */
 128         GPIO117_I2C_SCL,
 129         GPIO118_I2C_SDA,
 130
 131         GPIO1_GPIO | WAKEUP_ON_EDGE_RISE,
 132 };
 133
 134 /*
 135  * Spitz SCOOP Device #1
 136  */
 137 static struct resource spitz_scoop_resources[] = {
 138         [0] = {
 139                 .start          = 0x10800000,
 140                 .end            = 0x10800fff,
 141                 .flags          = IORESOURCE_MEM,
 142         },
 143 };
 144
 145 static struct scoop_config spitz_scoop_setup = {
 146         .io_dir         = SPITZ_SCP_IO_DIR,
 147         .io_out         = SPITZ_SCP_IO_OUT,
 148         .suspend_clr    = SPITZ_SCP_SUS_CLR,
 149         .suspend_set    = SPITZ_SCP_SUS_SET,
 150         .gpio_base      = SPITZ_SCP_GPIO_BASE,
 151 };
 152
 153 struct platform_device spitzscoop_device = {
 154         .name           = "sharp-scoop",
 155         .id             = 0,
 156         .dev            = {
 157                 .platform_data  = &spitz_scoop_setup,
 158         },
 159         .num_resources  = ARRAY_SIZE(spitz_scoop_resources),
 160         .resource       = spitz_scoop_resources,
 161 };
 162
 163 /*
 164  * Spitz SCOOP Device #2
 165  */
 166 static struct resource spitz_scoop2_resources[] = {
 167         [0] = {
 168                 .start          = 0x08800040,
 169                 .end            = 0x08800fff,
 170                 .flags          = IORESOURCE_MEM,
 171         },
 172 };
 173
 174 static struct scoop_config spitz_scoop2_setup = {
 175         .io_dir         = SPITZ_SCP2_IO_DIR,
 176         .io_out         = SPITZ_SCP2_IO_OUT,
 177         .suspend_clr    = SPITZ_SCP2_SUS_CLR,
 178         .suspend_set    = SPITZ_SCP2_SUS_SET,
 179         .gpio_base      = SPITZ_SCP2_GPIO_BASE,
 180 };
 181
 182 struct platform_device spitzscoop2_device = {
 183         .name           = "sharp-scoop",
 184         .id             = 1,
 185         .dev            = {
 186                 .platform_data  = &spitz_scoop2_setup,
 187         },
 188         .num_resources  = ARRAY_SIZE(spitz_scoop2_resources),
 189         .resource       = spitz_scoop2_resources,
 190 };
 191
 192 #define SPITZ_PWR_SD 0x01
 193 #define SPITZ_PWR_CF 0x02
 194
 195 /* Power control is shared with between one of the CF slots and SD */
 196 static void spitz_card_pwr_ctrl(int device, unsigned short new_cpr)
 197 {
 198         unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR);
 199
 200         if (new_cpr & 0x0007) {
 201                 gpio_set_value(SPITZ_GPIO_CF_POWER, 1);
 202                 if (!(cpr & 0x0002) && !(cpr & 0x0004))
 203                         mdelay(5);
 204                 if (device == SPITZ_PWR_CF)
 205                         cpr |= 0x0002;
 206                 if (device == SPITZ_PWR_SD)
 207                         cpr |= 0x0004;
 208                 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
 209         } else {
 210                 if (device == SPITZ_PWR_CF)
 211                         cpr &= ~0x0002;
 212                 if (device == SPITZ_PWR_SD)
 213                         cpr &= ~0x0004;
 214                 if (!(cpr & 0x0002) && !(cpr & 0x0004)) {
 215                         write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, 0x0000);
 216                         mdelay(1);
 217                         gpio_set_value(SPITZ_GPIO_CF_POWER, 0);
 218                 } else {
 219                         write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
 220                 }
 221         }
 222 }
 223
 224 static void spitz_pcmcia_pwr(struct device *scoop, unsigned short cpr, int nr)
 225 {
 226         /* Only need to override behaviour for slot 0 */
 227         if (nr == 0)
 228                 spitz_card_pwr_ctrl(SPITZ_PWR_CF, cpr);
 229         else
 230                 write_scoop_reg(scoop, SCOOP_CPR, cpr);
 231 }
 232
 233 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
 234 {
 235         .dev        = &spitzscoop_device.dev,
 236         .irq        = SPITZ_IRQ_GPIO_CF_IRQ,
 237         .cd_irq     = SPITZ_IRQ_GPIO_CF_CD,
 238         .cd_irq_str = "PCMCIA0 CD",
 239 },{
 240         .dev        = &spitzscoop2_device.dev,
 241         .irq        = SPITZ_IRQ_GPIO_CF2_IRQ,
 242         .cd_irq     = -1,
 243 },
 244 };
 245
 246 static struct scoop_pcmcia_config spitz_pcmcia_config = {
 247         .devs         = &spitz_pcmcia_scoop[0],
 248         .num_devs     = 2,
 249         .power_ctrl   = spitz_pcmcia_pwr,
 250 };
 251
 252 EXPORT_SYMBOL(spitzscoop_device);
 253 EXPORT_SYMBOL(spitzscoop2_device);
 254
 255 /*
 256  * Spitz Keyboard Device
 257  */
 258 static struct platform_device spitzkbd_device = {
 259         .name           = "spitz-keyboard",
 260         .id             = -1,
 261 };
 262
 263
 264 /*
 265  * Spitz LEDs
 266  */
 267 static struct gpio_led spitz_gpio_leds[] = {
 268         {
 269                 .name                   = "spitz:amber:charge",
 270                 .default_trigger        = "sharpsl-charge",
 271                 .gpio                   = SPITZ_GPIO_LED_ORANGE,
 272         },
 273         {
 274                 .name                   = "spitz:green:hddactivity",
 275                 .default_trigger        = "ide-disk",
 276                 .gpio                   = SPITZ_GPIO_LED_GREEN,
 277         },
 278 };
 279
 280 static struct gpio_led_platform_data spitz_gpio_leds_info = {
 281         .leds           = spitz_gpio_leds,
 282         .num_leds       = ARRAY_SIZE(spitz_gpio_leds),
 283 };
 284
 285 static struct platform_device spitzled_device = {
 286         .name           = "leds-gpio",
 287         .id             = -1,
 288         .dev            = {
 289                 .platform_data = &spitz_gpio_leds_info,
 290         },
 291 };
 292
 293 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
 294 static struct pxa2xx_spi_master spitz_spi_info = {
 295         .num_chipselect = 3,
 296 };
 297
 298 static struct ads7846_platform_data spitz_ads7846_info = {
 299         .model                  = 7846,
 300         .vref_delay_usecs       = 100,
 301         .x_plate_ohms           = 419,
 302         .y_plate_ohms           = 486,
 303         .gpio_pendown           = SPITZ_GPIO_TP_INT,
 304 };
 305
 306 static void spitz_ads7846_cs(u32 command)
 307 {
 308         gpio_set_value(SPITZ_GPIO_ADS7846_CS, !(command == PXA2XX_CS_ASSERT));
 309 }
 310
 311 static struct pxa2xx_spi_chip spitz_ads7846_chip = {
 312         .cs_control             = spitz_ads7846_cs,
 313 };
 314
 315 static void spitz_bl_kick_battery(void)
 316 {
 317         void (*kick_batt)(void);
 318
 319         kick_batt = symbol_get(sharpsl_battery_kick);
 320         if (kick_batt) {
 321                 kick_batt();
 322                 symbol_put(sharpsl_battery_kick);
 323         }
 324 }
 325
 326 static struct corgi_lcd_platform_data spitz_lcdcon_info = {
 327         .init_mode              = CORGI_LCD_MODE_VGA,
 328         .max_intensity          = 0x2f,
 329         .default_intensity      = 0x1f,
 330         .limit_mask             = 0x0b,
 331         .gpio_backlight_cont    = SPITZ_GPIO_BACKLIGHT_CONT,
 332         .gpio_backlight_on      = SPITZ_GPIO_BACKLIGHT_ON,
 333         .kick_battery           = spitz_bl_kick_battery,
 334 };
 335
 336 static void spitz_lcdcon_cs(u32 command)
 337 {
 338         gpio_set_value(SPITZ_GPIO_LCDCON_CS, !(command == PXA2XX_CS_ASSERT));
 339 }
 340
 341 static struct pxa2xx_spi_chip spitz_lcdcon_chip = {
 342         .cs_control     = spitz_lcdcon_cs,
 343 };
 344
 345 static void spitz_max1111_cs(u32 command)
 346 {
 347         gpio_set_value(SPITZ_GPIO_MAX1111_CS, !(command == PXA2XX_CS_ASSERT));
 348 }
 349
 350 static struct pxa2xx_spi_chip spitz_max1111_chip = {
 351         .cs_control     = spitz_max1111_cs,
 352 };
 353
 354 static struct spi_board_info spitz_spi_devices[] = {
 355         {
 356                 .modalias       = "ads7846",
 357                 .max_speed_hz   = 1200000,
 358                 .bus_num        = 2,
 359                 .chip_select    = 0,
 360                 .platform_data  = &spitz_ads7846_info,
 361                 .controller_data= &spitz_ads7846_chip,
 362                 .irq            = gpio_to_irq(SPITZ_GPIO_TP_INT),
 363         }, {
 364                 .modalias       = "corgi-lcd",
 365                 .max_speed_hz   = 50000,
 366                 .bus_num        = 2,
 367                 .chip_select    = 1,
 368                 .platform_data  = &spitz_lcdcon_info,
 369                 .controller_data= &spitz_lcdcon_chip,
 370         }, {
 371                 .modalias       = "max1111",
 372                 .max_speed_hz   = 450000,
 373                 .bus_num        = 2,
 374                 .chip_select    = 2,
 375                 .controller_data= &spitz_max1111_chip,
 376         },
 377 };
 378
 379 static void __init spitz_init_spi(void)
 380 {
 381         int err;
 382
 383         err = gpio_request(SPITZ_GPIO_ADS7846_CS, "ADS7846_CS");
 384         if (err)
 385                 return;
 386
 387         err = gpio_request(SPITZ_GPIO_LCDCON_CS, "LCDCON_CS");
 388         if (err)
 389                 goto err_free_1;
 390
 391         err = gpio_request(SPITZ_GPIO_MAX1111_CS, "MAX1111_CS");
 392         if (err)
 393                 goto err_free_2;
 394
 395         err = gpio_direction_output(SPITZ_GPIO_ADS7846_CS, 1);
 396         if (err)
 397                 goto err_free_3;
 398         err = gpio_direction_output(SPITZ_GPIO_LCDCON_CS, 1);
 399         if (err)
 400                 goto err_free_3;
 401         err = gpio_direction_output(SPITZ_GPIO_MAX1111_CS, 1);
 402         if (err)
 403                 goto err_free_3;
 404
 405         if (machine_is_akita()) {
 406                 spitz_lcdcon_info.gpio_backlight_cont = AKITA_GPIO_BACKLIGHT_CONT;
 407                 spitz_lcdcon_info.gpio_backlight_on = AKITA_GPIO_BACKLIGHT_ON;
 408         }
 409
 410         pxa2xx_set_spi_info(2, &spitz_spi_info);
 411         spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
 412         return;
 413
 414 err_free_3:
 415         gpio_free(SPITZ_GPIO_MAX1111_CS);
 416 err_free_2:
 417         gpio_free(SPITZ_GPIO_LCDCON_CS);
 418 err_free_1:
 419         gpio_free(SPITZ_GPIO_ADS7846_CS);
 420 }
 421 #else
 422 static inline void spitz_init_spi(void) {}
 423 #endif
 424
 425 /*
 426  * MMC/SD Device
 427  *
 428  * The card detect interrupt isn't debounced so we delay it by 250ms
 429  * to give the card a chance to fully insert/eject.
 430  */
 431
 432 static struct pxamci_platform_data spitz_mci_platform_data;
 433
 434 static int spitz_mci_init(struct device *dev, irq_handler_t spitz_detect_int, void *data)
 435 {
 436         int err;
 437
 438         err = gpio_request(SPITZ_GPIO_nSD_DETECT, "nSD_DETECT");
 439         if (err)
 440                 goto err_out;
 441
 442         err = gpio_request(SPITZ_GPIO_nSD_WP, "nSD_WP");
 443         if (err)
 444                 goto err_free_1;
 445
 446         gpio_direction_input(SPITZ_GPIO_nSD_DETECT);
 447         gpio_direction_input(SPITZ_GPIO_nSD_WP);
 448
 449         spitz_mci_platform_data.detect_delay = msecs_to_jiffies(250);
 450
 451         err = request_irq(SPITZ_IRQ_GPIO_nSD_DETECT, spitz_detect_int,
 452                           IRQF_DISABLED | IRQF_TRIGGER_RISING |
 453                           IRQF_TRIGGER_FALLING,
 454                           "MMC card detect", data);
 455         if (err) {
 456                 pr_err("%s: MMC/SD: can't request MMC card detect IRQ\n",
 457                                 __func__);
 458                 goto err_free_2;
 459         }
 460         return 0;
 461
 462 err_free_2:
 463         gpio_free(SPITZ_GPIO_nSD_WP);
 464 err_free_1:
 465         gpio_free(SPITZ_GPIO_nSD_DETECT);
 466 err_out:
 467         return err;
 468 }
 469
 470 static void spitz_mci_setpower(struct device *dev, unsigned int vdd)
 471 {
 472         struct pxamci_platform_data* p_d = dev->platform_data;
 473
 474         if (( 1 << vdd) & p_d->ocr_mask)
 475                 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0004);
 476         else
 477                 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0000);
 478 }
 479
 480 static int spitz_mci_get_ro(struct device *dev)
 481 {
 482         return gpio_get_value(SPITZ_GPIO_nSD_WP);
 483 }
 484
 485 static void spitz_mci_exit(struct device *dev, void *data)
 486 {
 487         free_irq(SPITZ_IRQ_GPIO_nSD_DETECT, data);
 488         gpio_free(SPITZ_GPIO_nSD_WP);
 489         gpio_free(SPITZ_GPIO_nSD_DETECT);
 490 }
 491
 492 static struct pxamci_platform_data spitz_mci_platform_data = {
 493         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
 494         .init           = spitz_mci_init,
 495         .get_ro         = spitz_mci_get_ro,
 496         .setpower       = spitz_mci_setpower,
 497         .exit           = spitz_mci_exit,
 498 };
 499
 500
 501 /*
 502  * USB Host (OHCI)
 503  */
 504 static int spitz_ohci_init(struct device *dev)
 505 {
 506         int err;
 507
 508         err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST");
 509         if (err)
 510                 return err;
 511
 512         /* Only Port 2 is connected
 513          * Setup USB Port 2 Output Control Register
 514          */
 515         UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
 516
 517         return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
 518 }
 519
 520 static struct pxaohci_platform_data spitz_ohci_platform_data = {
 521         .port_mode      = PMM_NPS_MODE,
 522         .init           = spitz_ohci_init,
 523         .flags          = ENABLE_PORT_ALL | NO_OC_PROTECTION,
 524         .power_budget   = 150,
 525 };
 526
 527
 528 /*
 529  * Irda
 530  */
 531 static int spitz_irda_startup(struct device *dev)
 532 {
 533         int rc;
 534
 535         rc = gpio_request(SPITZ_GPIO_IR_ON, "IrDA on");
 536         if (rc)
 537                 goto err;
 538
 539         rc = gpio_direction_output(SPITZ_GPIO_IR_ON, 1);
 540         if (rc)
 541                 goto err_dir;
 542
 543         return 0;
 544
 545 err_dir:
 546         gpio_free(SPITZ_GPIO_IR_ON);
 547 err:
 548         return rc;
 549 }
 550
 551 static void spitz_irda_shutdown(struct device *dev)
 552 {
 553         gpio_free(SPITZ_GPIO_IR_ON);
 554 }
 555
 556 static void spitz_irda_transceiver_mode(struct device *dev, int mode)
 557 {
 558         gpio_set_value(SPITZ_GPIO_IR_ON, mode & IR_OFF);
 559         pxa2xx_transceiver_mode(dev, mode);
 560 }
 561
 562 #ifdef CONFIG_MACH_AKITA
 563 static void akita_irda_transceiver_mode(struct device *dev, int mode)
 564 {
 565         gpio_set_value(AKITA_GPIO_IR_ON, mode & IR_OFF);
 566         pxa2xx_transceiver_mode(dev, mode);
 567 }
 568 #endif
 569
 570 static struct pxaficp_platform_data spitz_ficp_platform_data = {
 571         .transceiver_cap        = IR_SIRMODE | IR_OFF,
 572         .transceiver_mode       = spitz_irda_transceiver_mode,
 573         .startup                = spitz_irda_startup,
 574         .shutdown               = spitz_irda_shutdown,
 575 };
 576
 577
 578 /*
 579  * Spitz PXA Framebuffer
 580  */
 581
 582 static struct pxafb_mode_info spitz_pxafb_modes[] = {
 583 {
 584         .pixclock       = 19231,
 585         .xres           = 480,
 586         .yres           = 640,
 587         .bpp            = 16,
 588         .hsync_len      = 40,
 589         .left_margin    = 46,
 590         .right_margin   = 125,
 591         .vsync_len      = 3,
 592         .upper_margin   = 1,
 593         .lower_margin   = 0,
 594         .sync           = 0,
 595 },{
 596         .pixclock       = 134617,
 597         .xres           = 240,
 598         .yres           = 320,
 599         .bpp            = 16,
 600         .hsync_len      = 20,
 601         .left_margin    = 20,
 602         .right_margin   = 46,
 603         .vsync_len      = 2,
 604         .upper_margin   = 1,
 605         .lower_margin   = 0,
 606         .sync           = 0,
 607 },
 608 };
 609
 610 static struct pxafb_mach_info spitz_pxafb_info = {
 611         .modes          = &spitz_pxafb_modes[0],
 612         .num_modes      = 2,
 613         .fixed_modes    = 1,
 614         .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
 615 };
 616
 617 static struct mtd_partition sharpsl_nand_partitions[] = {
 618         {
 619                 .name = "System Area",
 620                 .offset = 0,
 621                 .size = 7 * 1024 * 1024,
 622         },
 623         {
 624                 .name = "Root Filesystem",
 625                 .offset = 7 * 1024 * 1024,
 626         },
 627         {
 628                 .name = "Home Filesystem",
 629                 .offset = MTDPART_OFS_APPEND,
 630                 .size = MTDPART_SIZ_FULL,
 631         },
 632 };
 633
 634 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
 635
 636 static struct nand_bbt_descr sharpsl_bbt = {
 637         .options = 0,
 638         .offs = 4,
 639         .len = 2,
 640         .pattern = scan_ff_pattern
 641 };
 642
 643 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
 644         .badblock_pattern       = &sharpsl_bbt,
 645         .partitions             = sharpsl_nand_partitions,
 646         .nr_partitions          = ARRAY_SIZE(sharpsl_nand_partitions),
 647 };
 648
 649 static struct resource sharpsl_nand_resources[] = {
 650         {
 651                 .start  = 0x0C000000,
 652                 .end    = 0x0C000FFF,
 653                 .flags  = IORESOURCE_MEM,
 654         },
 655 };
 656
 657 static struct platform_device sharpsl_nand_device = {
 658         .name           = "sharpsl-nand",
 659         .id             = -1,
 660         .resource       = sharpsl_nand_resources,
 661         .num_resources  = ARRAY_SIZE(sharpsl_nand_resources),
 662         .dev.platform_data      = &sharpsl_nand_platform_data,
 663 };
 664
 665
 666 static struct mtd_partition sharpsl_rom_parts[] = {
 667         {
 668                 .name   ="Boot PROM Filesystem",
 669                 .offset = 0x00140000,
 670                 .size   = MTDPART_SIZ_FULL,
 671         },
 672 };
 673
 674 static struct physmap_flash_data sharpsl_rom_data = {
 675         .width          = 2,
 676         .nr_parts       = ARRAY_SIZE(sharpsl_rom_parts),
 677         .parts          = sharpsl_rom_parts,
 678 };
 679
 680 static struct resource sharpsl_rom_resources[] = {
 681         {
 682                 .start  = 0x00000000,
 683                 .end    = 0x007fffff,
 684                 .flags  = IORESOURCE_MEM,
 685         },
 686 };
 687
 688 static struct platform_device sharpsl_rom_device = {
 689         .name   = "physmap-flash",
 690         .id     = -1,
 691         .resource = sharpsl_rom_resources,
 692         .num_resources = ARRAY_SIZE(sharpsl_rom_resources),
 693         .dev.platform_data = &sharpsl_rom_data,
 694 };
 695
 696 static struct platform_device *devices[] __initdata = {
 697         &spitzscoop_device,
 698         &spitzkbd_device,
 699         &spitzled_device,
 700         &sharpsl_nand_device,
 701         &sharpsl_rom_device,
 702 };
 703
 704 static void spitz_poweroff(void)
 705 {
 706         arm_machine_restart('g');
 707 }
 708
 709 static void spitz_restart(char mode)
 710 {
 711         /* Bootloader magic for a reboot */
 712         if((MSC0 & 0xffff0000) == 0x7ff00000)
 713                 MSC0 = (MSC0 & 0xffff) | 0x7ee00000;
 714
 715         spitz_poweroff();
 716 }
 717
 718 static void __init common_init(void)
 719 {
 720         init_gpio_reset(SPITZ_GPIO_ON_RESET, 1);
 721         pm_power_off = spitz_poweroff;
 722         arm_pm_restart = spitz_restart;
 723
 724         if (machine_is_spitz()) {
 725                 sharpsl_nand_partitions[1].size = 5 * 1024 * 1024;
 726         } else if (machine_is_akita()) {
 727                 sharpsl_nand_partitions[1].size = 58 * 1024 * 1024;
 728         } else if (machine_is_borzoi()) {
 729                 sharpsl_nand_partitions[1].size = 32 * 1024 * 1024;
 730         }
 731
 732         PMCR = 0x00;
 733
 734         /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
 735         PCFR |= PCFR_OPDE;
 736
 737         pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));
 738
 739         spitz_init_spi();
 740
 741         platform_add_devices(devices, ARRAY_SIZE(devices));
 742         pxa_set_mci_info(&spitz_mci_platform_data);
 743         pxa_set_ohci_info(&spitz_ohci_platform_data);
 744         pxa_set_ficp_info(&spitz_ficp_platform_data);
 745         set_pxa_fb_info(&spitz_pxafb_info);
 746         pxa_set_i2c_info(NULL);
 747 }
 748
 749 #if defined(CONFIG_MACH_SPITZ) || defined(CONFIG_MACH_BORZOI)
 750 static void __init spitz_init(void)
 751 {
 752         platform_scoop_config = &spitz_pcmcia_config;
 753
 754         common_init();
 755
 756         platform_device_register(&spitzscoop2_device);
 757 }
 758 #endif
 759
 760 #ifdef CONFIG_MACH_AKITA
 761 /*
 762  * Akita IO Expander
 763  */
 764 static struct pca953x_platform_data akita_ioexp = {
 765         .gpio_base              = AKITA_IOEXP_GPIO_BASE,
 766 };
 767
 768 static struct i2c_board_info akita_i2c_board_info[] = {
 769         {
 770                 .type           = "max7310",
 771                 .addr           = 0x18,
 772                 .platform_data  = &akita_ioexp,
 773         },
 774 };
 775
 776 static struct nand_bbt_descr sharpsl_akita_bbt = {
 777         .options = 0,
 778         .offs = 4,
 779         .len = 1,
 780         .pattern = scan_ff_pattern
 781 };
 782
 783 static struct nand_ecclayout akita_oobinfo = {
 784         .eccbytes = 24,
 785         .eccpos = {
 786                    0x5, 0x1, 0x2, 0x3, 0x6, 0x7, 0x15, 0x11,
 787                    0x12, 0x13, 0x16, 0x17, 0x25, 0x21, 0x22, 0x23,
 788                    0x26, 0x27, 0x35, 0x31, 0x32, 0x33, 0x36, 0x37},
 789         .oobfree = {{0x08, 0x09}}
 790 };
 791
 792 static void __init akita_init(void)
 793 {
 794         spitz_ficp_platform_data.transceiver_mode = akita_irda_transceiver_mode;
 795
 796         sharpsl_nand_platform_data.badblock_pattern = &sharpsl_akita_bbt;
 797         sharpsl_nand_platform_data.ecc_layout = &akita_oobinfo;
 798
 799         /* We just pretend the second element of the array doesn't exist */
 800         spitz_pcmcia_config.num_devs = 1;
 801         platform_scoop_config = &spitz_pcmcia_config;
 802
 803         i2c_register_board_info(0, ARRAY_AND_SIZE(akita_i2c_board_info));
 804
 805         common_init();
 806 }
 807 #endif
 808
 809 static void __init fixup_spitz(struct machine_desc *desc,
 810                 struct tag *tags, char **cmdline, struct meminfo *mi)
 811 {
 812         sharpsl_save_param();
 813         mi->nr_banks = 1;
 814         mi->bank[0].start = 0xa0000000;
 815         mi->bank[0].node = 0;
 816         mi->bank[0].size = (64*1024*1024);
 817 }
 818
 819 #ifdef CONFIG_MACH_SPITZ
 820 MACHINE_START(SPITZ, "SHARP Spitz")
 821         .phys_io        = 0x40000000,
 822         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 823         .fixup          = fixup_spitz,
 824         .map_io         = pxa_map_io,
 825         .init_irq       = pxa27x_init_irq,
 826         .init_machine   = spitz_init,
 827         .timer          = &pxa_timer,
 828 MACHINE_END
 829 #endif
 830
 831 #ifdef CONFIG_MACH_BORZOI
 832 MACHINE_START(BORZOI, "SHARP Borzoi")
 833         .phys_io        = 0x40000000,
 834         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 835         .fixup          = fixup_spitz,
 836         .map_io         = pxa_map_io,
 837         .init_irq       = pxa27x_init_irq,
 838         .init_machine   = spitz_init,
 839         .timer          = &pxa_timer,
 840 MACHINE_END
 841 #endif
 842
 843 #ifdef CONFIG_MACH_AKITA
 844 MACHINE_START(AKITA, "SHARP Akita")
 845         .phys_io        = 0x40000000,
 846         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 847         .fixup          = fixup_spitz,
 848         .map_io         = pxa_map_io,
 849         .init_irq       = pxa27x_init_irq,
 850         .init_machine   = akita_init,
 851         .timer          = &pxa_timer,
 852 MACHINE_END
 853 #endif