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         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         GPIO79_PSKTSEL,
 102         GPIO55_nPREG,
 103         GPIO56_nPWAIT,
 104         GPIO57_nIOIS16,
 105
 106         /* MMC */
 107         GPIO32_MMC_CLK,
 108         GPIO112_MMC_CMD,
 109         GPIO92_MMC_DAT_0,
 110         GPIO109_MMC_DAT_1,
 111         GPIO110_MMC_DAT_2,
 112         GPIO111_MMC_DAT_3,
 113
 114         /* GPIOs */
 115         GPIO9_GPIO,     /* SPITZ_GPIO_nSD_DETECT */
 116         GPIO81_GPIO,    /* SPITZ_GPIO_nSD_WP */
 117         GPIO41_GPIO,    /* SPITZ_GPIO_USB_CONNECT */
 118         GPIO37_GPIO,    /* SPITZ_GPIO_USB_HOST */
 119         GPIO35_GPIO,    /* SPITZ_GPIO_USB_DEVICE */
 120         GPIO22_GPIO,    /* SPITZ_GPIO_HSYNC */
 121         GPIO94_GPIO,    /* SPITZ_GPIO_CF_CD */
 122         GPIO105_GPIO,   /* SPITZ_GPIO_CF_IRQ */
 123         GPIO106_GPIO,   /* SPITZ_GPIO_CF2_IRQ */
 124
 125         GPIO1_GPIO | WAKEUP_ON_EDGE_RISE,
 126 };
 127
 128 /*
 129  * Spitz SCOOP Device #1
 130  */
 131 static struct resource spitz_scoop_resources[] = {
 132         [0] = {
 133                 .start          = 0x10800000,
 134                 .end            = 0x10800fff,
 135                 .flags          = IORESOURCE_MEM,
 136         },
 137 };
 138
 139 static struct scoop_config spitz_scoop_setup = {
 140         .io_dir         = SPITZ_SCP_IO_DIR,
 141         .io_out         = SPITZ_SCP_IO_OUT,
 142         .suspend_clr    = SPITZ_SCP_SUS_CLR,
 143         .suspend_set    = SPITZ_SCP_SUS_SET,
 144         .gpio_base      = SPITZ_SCP_GPIO_BASE,
 145 };
 146
 147 struct platform_device spitzscoop_device = {
 148         .name           = "sharp-scoop",
 149         .id             = 0,
 150         .dev            = {
 151                 .platform_data  = &spitz_scoop_setup,
 152         },
 153         .num_resources  = ARRAY_SIZE(spitz_scoop_resources),
 154         .resource       = spitz_scoop_resources,
 155 };
 156
 157 /*
 158  * Spitz SCOOP Device #2
 159  */
 160 static struct resource spitz_scoop2_resources[] = {
 161         [0] = {
 162                 .start          = 0x08800040,
 163                 .end            = 0x08800fff,
 164                 .flags          = IORESOURCE_MEM,
 165         },
 166 };
 167
 168 static struct scoop_config spitz_scoop2_setup = {
 169         .io_dir         = SPITZ_SCP2_IO_DIR,
 170         .io_out         = SPITZ_SCP2_IO_OUT,
 171         .suspend_clr    = SPITZ_SCP2_SUS_CLR,
 172         .suspend_set    = SPITZ_SCP2_SUS_SET,
 173         .gpio_base      = SPITZ_SCP2_GPIO_BASE,
 174 };
 175
 176 struct platform_device spitzscoop2_device = {
 177         .name           = "sharp-scoop",
 178         .id             = 1,
 179         .dev            = {
 180                 .platform_data  = &spitz_scoop2_setup,
 181         },
 182         .num_resources  = ARRAY_SIZE(spitz_scoop2_resources),
 183         .resource       = spitz_scoop2_resources,
 184 };
 185
 186 #define SPITZ_PWR_SD 0x01
 187 #define SPITZ_PWR_CF 0x02
 188
 189 /* Power control is shared with between one of the CF slots and SD */
 190 static void spitz_card_pwr_ctrl(int device, unsigned short new_cpr)
 191 {
 192         unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR);
 193
 194         if (new_cpr & 0x0007) {
 195                 gpio_set_value(SPITZ_GPIO_CF_POWER, 1);
 196                 if (!(cpr & 0x0002) && !(cpr & 0x0004))
 197                         mdelay(5);
 198                 if (device == SPITZ_PWR_CF)
 199                         cpr |= 0x0002;
 200                 if (device == SPITZ_PWR_SD)
 201                         cpr |= 0x0004;
 202                 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
 203         } else {
 204                 if (device == SPITZ_PWR_CF)
 205                         cpr &= ~0x0002;
 206                 if (device == SPITZ_PWR_SD)
 207                         cpr &= ~0x0004;
 208                 if (!(cpr & 0x0002) && !(cpr & 0x0004)) {
 209                         write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, 0x0000);
 210                         mdelay(1);
 211                         gpio_set_value(SPITZ_GPIO_CF_POWER, 0);
 212                 } else {
 213                         write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
 214                 }
 215         }
 216 }
 217
 218 static void spitz_pcmcia_pwr(struct device *scoop, unsigned short cpr, int nr)
 219 {
 220         /* Only need to override behaviour for slot 0 */
 221         if (nr == 0)
 222                 spitz_card_pwr_ctrl(SPITZ_PWR_CF, cpr);
 223         else
 224                 write_scoop_reg(scoop, SCOOP_CPR, cpr);
 225 }
 226
 227 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
 228 {
 229         .dev        = &spitzscoop_device.dev,
 230         .irq        = SPITZ_IRQ_GPIO_CF_IRQ,
 231         .cd_irq     = SPITZ_IRQ_GPIO_CF_CD,
 232         .cd_irq_str = "PCMCIA0 CD",
 233 },{
 234         .dev        = &spitzscoop2_device.dev,
 235         .irq        = SPITZ_IRQ_GPIO_CF2_IRQ,
 236         .cd_irq     = -1,
 237 },
 238 };
 239
 240 static struct scoop_pcmcia_config spitz_pcmcia_config = {
 241         .devs         = &spitz_pcmcia_scoop[0],
 242         .num_devs     = 2,
 243         .power_ctrl   = spitz_pcmcia_pwr,
 244 };
 245
 246 EXPORT_SYMBOL(spitzscoop_device);
 247 EXPORT_SYMBOL(spitzscoop2_device);
 248
 249 /*
 250  * Spitz Keyboard Device
 251  */
 252 static struct platform_device spitzkbd_device = {
 253         .name           = "spitz-keyboard",
 254         .id             = -1,
 255 };
 256
 257
 258 /*
 259  * Spitz LEDs
 260  */
 261 static struct gpio_led spitz_gpio_leds[] = {
 262         {
 263                 .name                   = "spitz:amber:charge",
 264                 .default_trigger        = "sharpsl-charge",
 265                 .gpio                   = SPITZ_GPIO_LED_ORANGE,
 266         },
 267         {
 268                 .name                   = "spitz:green:hddactivity",
 269                 .default_trigger        = "ide-disk",
 270                 .gpio                   = SPITZ_GPIO_LED_GREEN,
 271         },
 272 };
 273
 274 static struct gpio_led_platform_data spitz_gpio_leds_info = {
 275         .leds           = spitz_gpio_leds,
 276         .num_leds       = ARRAY_SIZE(spitz_gpio_leds),
 277 };
 278
 279 static struct platform_device spitzled_device = {
 280         .name           = "leds-gpio",
 281         .id             = -1,
 282         .dev            = {
 283                 .platform_data = &spitz_gpio_leds_info,
 284         },
 285 };
 286
 287 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
 288 static struct pxa2xx_spi_master spitz_spi_info = {
 289         .num_chipselect = 3,
 290 };
 291
 292 static struct ads7846_platform_data spitz_ads7846_info = {
 293         .model                  = 7846,
 294         .vref_delay_usecs       = 100,
 295         .x_plate_ohms           = 419,
 296         .y_plate_ohms           = 486,
 297         .gpio_pendown           = SPITZ_GPIO_TP_INT,
 298 };
 299
 300 static void spitz_ads7846_cs(u32 command)
 301 {
 302         gpio_set_value(SPITZ_GPIO_ADS7846_CS, !(command == PXA2XX_CS_ASSERT));
 303 }
 304
 305 static struct pxa2xx_spi_chip spitz_ads7846_chip = {
 306         .cs_control             = spitz_ads7846_cs,
 307 };
 308
 309 static void spitz_bl_kick_battery(void)
 310 {
 311         void (*kick_batt)(void);
 312
 313         kick_batt = symbol_get(sharpsl_battery_kick);
 314         if (kick_batt) {
 315                 kick_batt();
 316                 symbol_put(sharpsl_battery_kick);
 317         }
 318 }
 319
 320 static struct corgi_lcd_platform_data spitz_lcdcon_info = {
 321         .init_mode              = CORGI_LCD_MODE_VGA,
 322         .max_intensity          = 0x2f,
 323         .default_intensity      = 0x1f,
 324         .limit_mask             = 0x0b,
 325         .gpio_backlight_cont    = SPITZ_GPIO_BACKLIGHT_CONT,
 326         .gpio_backlight_on      = SPITZ_GPIO_BACKLIGHT_ON,
 327         .kick_battery           = spitz_bl_kick_battery,
 328 };
 329
 330 static void spitz_lcdcon_cs(u32 command)
 331 {
 332         gpio_set_value(SPITZ_GPIO_LCDCON_CS, !(command == PXA2XX_CS_ASSERT));
 333 }
 334
 335 static struct pxa2xx_spi_chip spitz_lcdcon_chip = {
 336         .cs_control     = spitz_lcdcon_cs,
 337 };
 338
 339 static void spitz_max1111_cs(u32 command)
 340 {
 341         gpio_set_value(SPITZ_GPIO_MAX1111_CS, !(command == PXA2XX_CS_ASSERT));
 342 }
 343
 344 static struct pxa2xx_spi_chip spitz_max1111_chip = {
 345         .cs_control     = spitz_max1111_cs,
 346 };
 347
 348 static struct spi_board_info spitz_spi_devices[] = {
 349         {
 350                 .modalias       = "ads7846",
 351                 .max_speed_hz   = 1200000,
 352                 .bus_num        = 2,
 353                 .chip_select    = 0,
 354                 .platform_data  = &spitz_ads7846_info,
 355                 .controller_data= &spitz_ads7846_chip,
 356                 .irq            = gpio_to_irq(SPITZ_GPIO_TP_INT),
 357         }, {
 358                 .modalias       = "corgi-lcd",
 359                 .max_speed_hz   = 50000,
 360                 .bus_num        = 2,
 361                 .chip_select    = 1,
 362                 .platform_data  = &spitz_lcdcon_info,
 363                 .controller_data= &spitz_lcdcon_chip,
 364         }, {
 365                 .modalias       = "max1111",
 366                 .max_speed_hz   = 450000,
 367                 .bus_num        = 2,
 368                 .chip_select    = 2,
 369                 .controller_data= &spitz_max1111_chip,
 370         },
 371 };
 372
 373 static void __init spitz_init_spi(void)
 374 {
 375         int err;
 376
 377         err = gpio_request(SPITZ_GPIO_ADS7846_CS, "ADS7846_CS");
 378         if (err)
 379                 return;
 380
 381         err = gpio_request(SPITZ_GPIO_LCDCON_CS, "LCDCON_CS");
 382         if (err)
 383                 goto err_free_1;
 384
 385         err = gpio_request(SPITZ_GPIO_MAX1111_CS, "MAX1111_CS");
 386         if (err)
 387                 goto err_free_2;
 388
 389         if (machine_is_akita()) {
 390                 spitz_lcdcon_info.gpio_backlight_cont = AKITA_GPIO_BACKLIGHT_CONT;
 391                 spitz_lcdcon_info.gpio_backlight_on = AKITA_GPIO_BACKLIGHT_ON;
 392         }
 393
 394         pxa2xx_set_spi_info(2, &spitz_spi_info);
 395         spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
 396         return;
 397
 398 err_free_2:
 399         gpio_free(SPITZ_GPIO_LCDCON_CS);
 400 err_free_1:
 401         gpio_free(SPITZ_GPIO_ADS7846_CS);
 402 }
 403 #else
 404 static inline void spitz_init_spi(void) {}
 405 #endif
 406
 407 /*
 408  * MMC/SD Device
 409  *
 410  * The card detect interrupt isn't debounced so we delay it by 250ms
 411  * to give the card a chance to fully insert/eject.
 412  */
 413
 414 static struct pxamci_platform_data spitz_mci_platform_data;
 415
 416 static int spitz_mci_init(struct device *dev, irq_handler_t spitz_detect_int, void *data)
 417 {
 418         int err;
 419
 420         err = gpio_request(SPITZ_GPIO_nSD_DETECT, "nSD_DETECT");
 421         if (err)
 422                 goto err_out;
 423
 424         err = gpio_request(SPITZ_GPIO_nSD_WP, "nSD_WP");
 425         if (err)
 426                 goto err_free_1;
 427
 428         gpio_direction_input(SPITZ_GPIO_nSD_DETECT);
 429         gpio_direction_input(SPITZ_GPIO_nSD_WP);
 430
 431         spitz_mci_platform_data.detect_delay = msecs_to_jiffies(250);
 432
 433         err = request_irq(SPITZ_IRQ_GPIO_nSD_DETECT, spitz_detect_int,
 434                           IRQF_DISABLED | IRQF_TRIGGER_RISING |
 435                           IRQF_TRIGGER_FALLING,
 436                           "MMC card detect", data);
 437         if (err) {
 438                 pr_err("%s: MMC/SD: can't request MMC card detect IRQ\n",
 439                                 __func__);
 440                 goto err_free_2;
 441         }
 442         return 0;
 443
 444 err_free_2:
 445         gpio_free(SPITZ_GPIO_nSD_WP);
 446 err_free_1:
 447         gpio_free(SPITZ_GPIO_nSD_DETECT);
 448 err_out:
 449         return err;
 450 }
 451
 452 static void spitz_mci_setpower(struct device *dev, unsigned int vdd)
 453 {
 454         struct pxamci_platform_data* p_d = dev->platform_data;
 455
 456         if (( 1 << vdd) & p_d->ocr_mask)
 457                 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0004);
 458         else
 459                 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0000);
 460 }
 461
 462 static int spitz_mci_get_ro(struct device *dev)
 463 {
 464         return gpio_get_value(SPITZ_GPIO_nSD_WP);
 465 }
 466
 467 static void spitz_mci_exit(struct device *dev, void *data)
 468 {
 469         free_irq(SPITZ_IRQ_GPIO_nSD_DETECT, data);
 470         gpio_free(SPITZ_GPIO_nSD_WP);
 471         gpio_free(SPITZ_GPIO_nSD_DETECT);
 472 }
 473
 474 static struct pxamci_platform_data spitz_mci_platform_data = {
 475         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
 476         .init           = spitz_mci_init,
 477         .get_ro         = spitz_mci_get_ro,
 478         .setpower       = spitz_mci_setpower,
 479         .exit           = spitz_mci_exit,
 480 };
 481
 482
 483 /*
 484  * USB Host (OHCI)
 485  */
 486 static int spitz_ohci_init(struct device *dev)
 487 {
 488         int err;
 489
 490         err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST");
 491         if (err)
 492                 return err;
 493
 494         /* Only Port 2 is connected
 495          * Setup USB Port 2 Output Control Register
 496          */
 497         UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
 498
 499         return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
 500 }
 501
 502 static struct pxaohci_platform_data spitz_ohci_platform_data = {
 503         .port_mode      = PMM_NPS_MODE,
 504         .init           = spitz_ohci_init,
 505         .flags          = ENABLE_PORT_ALL | NO_OC_PROTECTION,
 506         .power_budget   = 150,
 507 };
 508
 509
 510 /*
 511  * Irda
 512  */
 513 static int spitz_irda_startup(struct device *dev)
 514 {
 515         int rc;
 516
 517         rc = gpio_request(SPITZ_GPIO_IR_ON, "IrDA on");
 518         if (rc)
 519                 goto err;
 520
 521         rc = gpio_direction_output(SPITZ_GPIO_IR_ON, 1);
 522         if (rc)
 523                 goto err_dir;
 524
 525         return 0;
 526
 527 err_dir:
 528         gpio_free(SPITZ_GPIO_IR_ON);
 529 err:
 530         return rc;
 531 }
 532
 533 static void spitz_irda_shutdown(struct device *dev)
 534 {
 535         gpio_free(SPITZ_GPIO_IR_ON);
 536 }
 537
 538 static void spitz_irda_transceiver_mode(struct device *dev, int mode)
 539 {
 540         gpio_set_value(SPITZ_GPIO_IR_ON, mode & IR_OFF);
 541         pxa2xx_transceiver_mode(dev, mode);
 542 }
 543
 544 #ifdef CONFIG_MACH_AKITA
 545 static void akita_irda_transceiver_mode(struct device *dev, int mode)
 546 {
 547         gpio_set_value(AKITA_GPIO_IR_ON, mode & IR_OFF);
 548         pxa2xx_transceiver_mode(dev, mode);
 549 }
 550 #endif
 551
 552 static struct pxaficp_platform_data spitz_ficp_platform_data = {
 553         .transceiver_cap        = IR_SIRMODE | IR_OFF,
 554         .transceiver_mode       = spitz_irda_transceiver_mode,
 555         .startup                = spitz_irda_startup,
 556         .shutdown               = spitz_irda_shutdown,
 557 };
 558
 559
 560 /*
 561  * Spitz PXA Framebuffer
 562  */
 563
 564 static struct pxafb_mode_info spitz_pxafb_modes[] = {
 565 {
 566         .pixclock       = 19231,
 567         .xres           = 480,
 568         .yres           = 640,
 569         .bpp            = 16,
 570         .hsync_len      = 40,
 571         .left_margin    = 46,
 572         .right_margin   = 125,
 573         .vsync_len      = 3,
 574         .upper_margin   = 1,
 575         .lower_margin   = 0,
 576         .sync           = 0,
 577 },{
 578         .pixclock       = 134617,
 579         .xres           = 240,
 580         .yres           = 320,
 581         .bpp            = 16,
 582         .hsync_len      = 20,
 583         .left_margin    = 20,
 584         .right_margin   = 46,
 585         .vsync_len      = 2,
 586         .upper_margin   = 1,
 587         .lower_margin   = 0,
 588         .sync           = 0,
 589 },
 590 };
 591
 592 static struct pxafb_mach_info spitz_pxafb_info = {
 593         .modes          = &spitz_pxafb_modes[0],
 594         .num_modes      = 2,
 595         .fixed_modes    = 1,
 596         .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
 597 };
 598
 599 static struct mtd_partition sharpsl_nand_partitions[] = {
 600         {
 601                 .name = "System Area",
 602                 .offset = 0,
 603                 .size = 7 * 1024 * 1024,
 604         },
 605         {
 606                 .name = "Root Filesystem",
 607                 .offset = 7 * 1024 * 1024,
 608         },
 609         {
 610                 .name = "Home Filesystem",
 611                 .offset = MTDPART_OFS_APPEND,
 612                 .size = MTDPART_SIZ_FULL,
 613         },
 614 };
 615
 616 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
 617
 618 static struct nand_bbt_descr sharpsl_bbt = {
 619         .options = 0,
 620         .offs = 4,
 621         .len = 2,
 622         .pattern = scan_ff_pattern
 623 };
 624
 625 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
 626         .badblock_pattern       = &sharpsl_bbt,
 627         .partitions             = sharpsl_nand_partitions,
 628         .nr_partitions          = ARRAY_SIZE(sharpsl_nand_partitions),
 629 };
 630
 631 static struct resource sharpsl_nand_resources[] = {
 632         {
 633                 .start  = 0x0C000000,
 634                 .end    = 0x0C000FFF,
 635                 .flags  = IORESOURCE_MEM,
 636         },
 637 };
 638
 639 static struct platform_device sharpsl_nand_device = {
 640         .name           = "sharpsl-nand",
 641         .id             = -1,
 642         .resource       = sharpsl_nand_resources,
 643         .num_resources  = ARRAY_SIZE(sharpsl_nand_resources),
 644         .dev.platform_data      = &sharpsl_nand_platform_data,
 645 };
 646
 647
 648 static struct platform_device *devices[] __initdata = {
 649         &spitzscoop_device,
 650         &spitzkbd_device,
 651         &spitzled_device,
 652         &sharpsl_nand_device,
 653 };
 654
 655 static void spitz_poweroff(void)
 656 {
 657         arm_machine_restart('g');
 658 }
 659
 660 static void spitz_restart(char mode)
 661 {
 662         /* Bootloader magic for a reboot */
 663         if((MSC0 & 0xffff0000) == 0x7ff00000)
 664                 MSC0 = (MSC0 & 0xffff) | 0x7ee00000;
 665
 666         spitz_poweroff();
 667 }
 668
 669 static void __init common_init(void)
 670 {
 671         init_gpio_reset(SPITZ_GPIO_ON_RESET, 1);
 672         pm_power_off = spitz_poweroff;
 673         arm_pm_restart = spitz_restart;
 674
 675         if (machine_is_spitz()) {
 676                 sharpsl_nand_partitions[1].size = 5 * 1024 * 1024;
 677         } else if (machine_is_akita()) {
 678                 sharpsl_nand_partitions[1].size = 58 * 1024 * 1024;
 679         } else if (machine_is_borzoi()) {
 680                 sharpsl_nand_partitions[1].size = 32 * 1024 * 1024;
 681         }
 682
 683         PMCR = 0x00;
 684
 685         /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
 686         PCFR |= PCFR_OPDE;
 687
 688         pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));
 689
 690         spitz_init_spi();
 691
 692         platform_add_devices(devices, ARRAY_SIZE(devices));
 693         pxa_set_mci_info(&spitz_mci_platform_data);
 694         pxa_set_ohci_info(&spitz_ohci_platform_data);
 695         pxa_set_ficp_info(&spitz_ficp_platform_data);
 696         set_pxa_fb_info(&spitz_pxafb_info);
 697         pxa_set_i2c_info(NULL);
 698 }
 699
 700 #if defined(CONFIG_MACH_SPITZ) || defined(CONFIG_MACH_BORZOI)
 701 static void __init spitz_init(void)
 702 {
 703         platform_scoop_config = &spitz_pcmcia_config;
 704
 705         common_init();
 706
 707         platform_device_register(&spitzscoop2_device);
 708 }
 709 #endif
 710
 711 #ifdef CONFIG_MACH_AKITA
 712 /*
 713  * Akita IO Expander
 714  */
 715 static struct pca953x_platform_data akita_ioexp = {
 716         .gpio_base              = AKITA_IOEXP_GPIO_BASE,
 717 };
 718
 719 static struct i2c_board_info akita_i2c_board_info[] = {
 720         {
 721                 .type           = "max7310",
 722                 .addr           = 0x18,
 723                 .platform_data  = &akita_ioexp,
 724         },
 725 };
 726
 727 static struct nand_bbt_descr sharpsl_akita_bbt = {
 728         .options = 0,
 729         .offs = 4,
 730         .len = 1,
 731         .pattern = scan_ff_pattern
 732 };
 733
 734 static struct nand_ecclayout akita_oobinfo = {
 735         .eccbytes = 24,
 736         .eccpos = {
 737                    0x5, 0x1, 0x2, 0x3, 0x6, 0x7, 0x15, 0x11,
 738                    0x12, 0x13, 0x16, 0x17, 0x25, 0x21, 0x22, 0x23,
 739                    0x26, 0x27, 0x35, 0x31, 0x32, 0x33, 0x36, 0x37},
 740         .oobfree = {{0x08, 0x09}}
 741 };
 742
 743 static void __init akita_init(void)
 744 {
 745         spitz_ficp_platform_data.transceiver_mode = akita_irda_transceiver_mode;
 746
 747         sharpsl_nand_platform_data.badblock_pattern = &sharpsl_akita_bbt;
 748         sharpsl_nand_platform_data.ecc_layout = &akita_oobinfo;
 749
 750         /* We just pretend the second element of the array doesn't exist */
 751         spitz_pcmcia_config.num_devs = 1;
 752         platform_scoop_config = &spitz_pcmcia_config;
 753
 754         pxa_set_i2c_info(NULL);
 755         i2c_register_board_info(0, ARRAY_AND_SIZE(akita_i2c_board_info));
 756
 757         common_init();
 758 }
 759 #endif
 760
 761 static void __init fixup_spitz(struct machine_desc *desc,
 762                 struct tag *tags, char **cmdline, struct meminfo *mi)
 763 {
 764         sharpsl_save_param();
 765         mi->nr_banks = 1;
 766         mi->bank[0].start = 0xa0000000;
 767         mi->bank[0].node = 0;
 768         mi->bank[0].size = (64*1024*1024);
 769 }
 770
 771 #ifdef CONFIG_MACH_SPITZ
 772 MACHINE_START(SPITZ, "SHARP Spitz")
 773         .phys_io        = 0x40000000,
 774         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 775         .fixup          = fixup_spitz,
 776         .map_io         = pxa_map_io,
 777         .init_irq       = pxa27x_init_irq,
 778         .init_machine   = spitz_init,
 779         .timer          = &pxa_timer,
 780 MACHINE_END
 781 #endif
 782
 783 #ifdef CONFIG_MACH_BORZOI
 784 MACHINE_START(BORZOI, "SHARP Borzoi")
 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_AKITA
 796 MACHINE_START(AKITA, "SHARP Akita")
 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   = akita_init,
 803         .timer          = &pxa_timer,
 804 MACHINE_END
 805 #endif