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_keys.h>
  19 #include <linux/gpio.h>
  20 #include <linux/leds.h>
  21 #include <linux/mtd/physmap.h>
  22 #include <linux/i2c.h>
  23 #include <linux/i2c/pca953x.h>
  24 #include <linux/spi/spi.h>
  25 #include <linux/spi/ads7846.h>
  26 #include <linux/spi/corgi_lcd.h>
  27 #include <linux/mtd/sharpsl.h>
  28 #include <linux/input/matrix_keypad.h>
  29
  30 #include <asm/setup.h>
  31 #include <asm/mach-types.h>
  32 #include <asm/mach/arch.h>
  33 #include <asm/mach/sharpsl_param.h>
  34 #include <asm/hardware/scoop.h>
  35
  36
  37 #include <mach/pxa27x.h>
  38 #include <mach/pxa27x-udc.h>
  39 #include <mach/reset.h>
  40 #include <plat/i2c.h>
  41 #include <mach/irda.h>
  42 #include <mach/mmc.h>
  43 #include <mach/ohci.h>
  44 #include <mach/pxafb.h>
  45 #include <mach/pxa2xx_spi.h>
  46 #include <mach/spitz.h>
  47 #include <mach/sharpsl_pm.h>
  48
  49 #include "generic.h"
  50 #include "devices.h"
  51
  52 static unsigned long spitz_pin_config[] __initdata = {
  53         /* Chip Selects */
  54         GPIO78_nCS_2,   /* SCOOP #2 */
  55         GPIO79_nCS_3,   /* NAND */
  56         GPIO80_nCS_4,   /* SCOOP #1 */
  57
  58         /* LCD - 16bpp Active TFT */
  59         GPIOxx_LCD_TFT_16BPP,
  60
  61         /* PC Card */
  62         GPIO48_nPOE,
  63         GPIO49_nPWE,
  64         GPIO50_nPIOR,
  65         GPIO51_nPIOW,
  66         GPIO85_nPCE_1,
  67         GPIO54_nPCE_2,
  68         GPIO55_nPREG,
  69         GPIO56_nPWAIT,
  70         GPIO57_nIOIS16,
  71         GPIO104_PSKTSEL,
  72
  73         /* I2S */
  74         GPIO28_I2S_BITCLK_OUT,
  75         GPIO29_I2S_SDATA_IN,
  76         GPIO30_I2S_SDATA_OUT,
  77         GPIO31_I2S_SYNC,
  78
  79         /* MMC */
  80         GPIO32_MMC_CLK,
  81         GPIO112_MMC_CMD,
  82         GPIO92_MMC_DAT_0,
  83         GPIO109_MMC_DAT_1,
  84         GPIO110_MMC_DAT_2,
  85         GPIO111_MMC_DAT_3,
  86
  87         /* GPIOs */
  88         GPIO9_GPIO,     /* SPITZ_GPIO_nSD_DETECT */
  89         GPIO16_GPIO,    /* SPITZ_GPIO_SYNC */
  90         GPIO81_GPIO,    /* SPITZ_GPIO_nSD_WP */
  91         GPIO41_GPIO,    /* SPITZ_GPIO_USB_CONNECT */
  92         GPIO37_GPIO,    /* SPITZ_GPIO_USB_HOST */
  93         GPIO35_GPIO,    /* SPITZ_GPIO_USB_DEVICE */
  94         GPIO22_GPIO,    /* SPITZ_GPIO_HSYNC */
  95         GPIO94_GPIO,    /* SPITZ_GPIO_CF_CD */
  96         GPIO105_GPIO,   /* SPITZ_GPIO_CF_IRQ */
  97         GPIO106_GPIO,   /* SPITZ_GPIO_CF2_IRQ */
  98
  99         /* GPIO matrix keypad */
 100         GPIO88_GPIO,    /* column 0 */
 101         GPIO23_GPIO,    /* column 1 */
 102         GPIO24_GPIO,    /* column 2 */
 103         GPIO25_GPIO,    /* column 3 */
 104         GPIO26_GPIO,    /* column 4 */
 105         GPIO27_GPIO,    /* column 5 */
 106         GPIO52_GPIO,    /* column 6 */
 107         GPIO103_GPIO,   /* column 7 */
 108         GPIO107_GPIO,   /* column 8 */
 109         GPIO108_GPIO,   /* column 9 */
 110         GPIO114_GPIO,   /* column 10 */
 111         GPIO12_GPIO,    /* row 0 */
 112         GPIO17_GPIO,    /* row 1 */
 113         GPIO91_GPIO,    /* row 2 */
 114         GPIO34_GPIO,    /* row 3 */
 115         GPIO36_GPIO,    /* row 4 */
 116         GPIO38_GPIO,    /* row 5 */
 117         GPIO39_GPIO,    /* row 6 */
 118
 119         /* I2C */
 120         GPIO117_I2C_SCL,
 121         GPIO118_I2C_SDA,
 122
 123         GPIO0_GPIO | WAKEUP_ON_EDGE_RISE,       /* SPITZ_GPIO_KEY_INT */
 124         GPIO1_GPIO | WAKEUP_ON_EDGE_FALL,       /* SPITZ_GPIO_RESET */
 125 };
 126
 127 /*
 128  * Spitz SCOOP Device #1
 129  */
 130 static struct resource spitz_scoop_resources[] = {
 131         [0] = {
 132                 .start          = 0x10800000,
 133                 .end            = 0x10800fff,
 134                 .flags          = IORESOURCE_MEM,
 135         },
 136 };
 137
 138 static struct scoop_config spitz_scoop_setup = {
 139         .io_dir         = SPITZ_SCP_IO_DIR,
 140         .io_out         = SPITZ_SCP_IO_OUT,
 141         .suspend_clr    = SPITZ_SCP_SUS_CLR,
 142         .suspend_set    = SPITZ_SCP_SUS_SET,
 143         .gpio_base      = SPITZ_SCP_GPIO_BASE,
 144 };
 145
 146 struct platform_device spitzscoop_device = {
 147         .name           = "sharp-scoop",
 148         .id             = 0,
 149         .dev            = {
 150                 .platform_data  = &spitz_scoop_setup,
 151         },
 152         .num_resources  = ARRAY_SIZE(spitz_scoop_resources),
 153         .resource       = spitz_scoop_resources,
 154 };
 155
 156 /*
 157  * Spitz SCOOP Device #2
 158  */
 159 static struct resource spitz_scoop2_resources[] = {
 160         [0] = {
 161                 .start          = 0x08800040,
 162                 .end            = 0x08800fff,
 163                 .flags          = IORESOURCE_MEM,
 164         },
 165 };
 166
 167 static struct scoop_config spitz_scoop2_setup = {
 168         .io_dir         = SPITZ_SCP2_IO_DIR,
 169         .io_out         = SPITZ_SCP2_IO_OUT,
 170         .suspend_clr    = SPITZ_SCP2_SUS_CLR,
 171         .suspend_set    = SPITZ_SCP2_SUS_SET,
 172         .gpio_base      = SPITZ_SCP2_GPIO_BASE,
 173 };
 174
 175 struct platform_device spitzscoop2_device = {
 176         .name           = "sharp-scoop",
 177         .id             = 1,
 178         .dev            = {
 179                 .platform_data  = &spitz_scoop2_setup,
 180         },
 181         .num_resources  = ARRAY_SIZE(spitz_scoop2_resources),
 182         .resource       = spitz_scoop2_resources,
 183 };
 184
 185 #define SPITZ_PWR_SD 0x01
 186 #define SPITZ_PWR_CF 0x02
 187
 188 /* Power control is shared with between one of the CF slots and SD */
 189 static void spitz_card_pwr_ctrl(int device, unsigned short new_cpr)
 190 {
 191         unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR);
 192
 193         if (new_cpr & 0x0007) {
 194                 gpio_set_value(SPITZ_GPIO_CF_POWER, 1);
 195                 if (!(cpr & 0x0002) && !(cpr & 0x0004))
 196                         mdelay(5);
 197                 if (device == SPITZ_PWR_CF)
 198                         cpr |= 0x0002;
 199                 if (device == SPITZ_PWR_SD)
 200                         cpr |= 0x0004;
 201                 write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
 202         } else {
 203                 if (device == SPITZ_PWR_CF)
 204                         cpr &= ~0x0002;
 205                 if (device == SPITZ_PWR_SD)
 206                         cpr &= ~0x0004;
 207                 if (!(cpr & 0x0002) && !(cpr & 0x0004)) {
 208                         write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, 0x0000);
 209                         mdelay(1);
 210                         gpio_set_value(SPITZ_GPIO_CF_POWER, 0);
 211                 } else {
 212                         write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
 213                 }
 214         }
 215 }
 216
 217 static void spitz_pcmcia_pwr(struct device *scoop, unsigned short cpr, int nr)
 218 {
 219         /* Only need to override behaviour for slot 0 */
 220         if (nr == 0)
 221                 spitz_card_pwr_ctrl(SPITZ_PWR_CF, cpr);
 222         else
 223                 write_scoop_reg(scoop, SCOOP_CPR, cpr);
 224 }
 225
 226 static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
 227 {
 228         .dev        = &spitzscoop_device.dev,
 229         .irq        = SPITZ_IRQ_GPIO_CF_IRQ,
 230         .cd_irq     = SPITZ_IRQ_GPIO_CF_CD,
 231         .cd_irq_str = "PCMCIA0 CD",
 232 },{
 233         .dev        = &spitzscoop2_device.dev,
 234         .irq        = SPITZ_IRQ_GPIO_CF2_IRQ,
 235         .cd_irq     = -1,
 236 },
 237 };
 238
 239 static struct scoop_pcmcia_config spitz_pcmcia_config = {
 240         .devs         = &spitz_pcmcia_scoop[0],
 241         .num_devs     = 2,
 242         .power_ctrl   = spitz_pcmcia_pwr,
 243 };
 244
 245 /*
 246  * Spitz Keyboard Device
 247  */
 248 #define SPITZ_KEY_CALENDAR      KEY_F1
 249 #define SPITZ_KEY_ADDRESS       KEY_F2
 250 #define SPITZ_KEY_FN            KEY_F3
 251 #define SPITZ_KEY_CANCEL        KEY_F4
 252 #define SPITZ_KEY_EXOK          KEY_F5
 253 #define SPITZ_KEY_EXCANCEL      KEY_F6
 254 #define SPITZ_KEY_EXJOGDOWN     KEY_F7
 255 #define SPITZ_KEY_EXJOGUP       KEY_F8
 256 #define SPITZ_KEY_JAP1          KEY_LEFTALT
 257 #define SPITZ_KEY_JAP2          KEY_RIGHTCTRL
 258 #define SPITZ_KEY_SYNC          KEY_F9
 259 #define SPITZ_KEY_MAIL          KEY_F10
 260 #define SPITZ_KEY_OK            KEY_F11
 261 #define SPITZ_KEY_MENU          KEY_F12
 262
 263 static const uint32_t spitzkbd_keymap[] = {
 264         KEY(0, 0, KEY_LEFTCTRL),
 265         KEY(0, 1, KEY_1),
 266         KEY(0, 2, KEY_3),
 267         KEY(0, 3, KEY_5),
 268         KEY(0, 4, KEY_6),
 269         KEY(0, 5, KEY_7),
 270         KEY(0, 6, KEY_9),
 271         KEY(0, 7, KEY_0),
 272         KEY(0, 8, KEY_BACKSPACE),
 273         KEY(0, 9, SPITZ_KEY_EXOK),      /* EXOK */
 274         KEY(0, 10, SPITZ_KEY_EXCANCEL), /* EXCANCEL */
 275         KEY(1, 1, KEY_2),
 276         KEY(1, 2, KEY_4),
 277         KEY(1, 3, KEY_R),
 278         KEY(1, 4, KEY_Y),
 279         KEY(1, 5, KEY_8),
 280         KEY(1, 6, KEY_I),
 281         KEY(1, 7, KEY_O),
 282         KEY(1, 8, KEY_P),
 283         KEY(1, 9, SPITZ_KEY_EXJOGDOWN), /* EXJOGDOWN */
 284         KEY(1, 10, SPITZ_KEY_EXJOGUP),  /* EXJOGUP */
 285         KEY(2, 0, KEY_TAB),
 286         KEY(2, 1, KEY_Q),
 287         KEY(2, 2, KEY_E),
 288         KEY(2, 3, KEY_T),
 289         KEY(2, 4, KEY_G),
 290         KEY(2, 5, KEY_U),
 291         KEY(2, 6, KEY_J),
 292         KEY(2, 7, KEY_K),
 293         KEY(3, 0, SPITZ_KEY_ADDRESS),   /* ADDRESS */
 294         KEY(3, 1, KEY_W),
 295         KEY(3, 2, KEY_S),
 296         KEY(3, 3, KEY_F),
 297         KEY(3, 4, KEY_V),
 298         KEY(3, 5, KEY_H),
 299         KEY(3, 6, KEY_M),
 300         KEY(3, 7, KEY_L),
 301         KEY(3, 9, KEY_RIGHTSHIFT),
 302         KEY(4, 0, SPITZ_KEY_CALENDAR),  /* CALENDAR */
 303         KEY(4, 1, KEY_A),
 304         KEY(4, 2, KEY_D),
 305         KEY(4, 3, KEY_C),
 306         KEY(4, 4, KEY_B),
 307         KEY(4, 5, KEY_N),
 308         KEY(4, 6, KEY_DOT),
 309         KEY(4, 8, KEY_ENTER),
 310         KEY(4, 9, KEY_LEFTSHIFT),
 311         KEY(5, 0, SPITZ_KEY_MAIL),      /* MAIL */
 312         KEY(5, 1, KEY_Z),
 313         KEY(5, 2, KEY_X),
 314         KEY(5, 3, KEY_MINUS),
 315         KEY(5, 4, KEY_SPACE),
 316         KEY(5, 5, KEY_COMMA),
 317         KEY(5, 7, KEY_UP),
 318         KEY(5, 10, SPITZ_KEY_FN),       /* FN */
 319         KEY(6, 0, KEY_SYSRQ),
 320         KEY(6, 1, SPITZ_KEY_JAP1),      /* JAP1 */
 321         KEY(6, 2, SPITZ_KEY_JAP2),      /* JAP2 */
 322         KEY(6, 3, SPITZ_KEY_CANCEL),    /* CANCEL */
 323         KEY(6, 4, SPITZ_KEY_OK),        /* OK */
 324         KEY(6, 5, SPITZ_KEY_MENU),      /* MENU */
 325         KEY(6, 6, KEY_LEFT),
 326         KEY(6, 7, KEY_DOWN),
 327         KEY(6, 8, KEY_RIGHT),
 328 };
 329
 330 static const struct matrix_keymap_data spitzkbd_keymap_data = {
 331         .keymap         = spitzkbd_keymap,
 332         .keymap_size    = ARRAY_SIZE(spitzkbd_keymap),
 333 };
 334
 335 static const uint32_t spitzkbd_row_gpios[] =
 336                 { 12, 17, 91, 34, 36, 38, 39 };
 337 static const uint32_t spitzkbd_col_gpios[] =
 338                 { 88, 23, 24, 25, 26, 27, 52, 103, 107, 108, 114 };
 339
 340 static struct matrix_keypad_platform_data spitzkbd_pdata = {
 341         .keymap_data            = &spitzkbd_keymap_data,
 342         .row_gpios              = spitzkbd_row_gpios,
 343         .col_gpios              = spitzkbd_col_gpios,
 344         .num_row_gpios          = ARRAY_SIZE(spitzkbd_row_gpios),
 345         .num_col_gpios          = ARRAY_SIZE(spitzkbd_col_gpios),
 346         .col_scan_delay_us      = 10,
 347         .debounce_ms            = 10,
 348         .wakeup                 = 1,
 349 };
 350
 351 static struct platform_device spitzkbd_device = {
 352         .name           = "matrix-keypad",
 353         .id             = -1,
 354         .dev            = {
 355                 .platform_data = &spitzkbd_pdata,
 356         },
 357 };
 358
 359
 360 static struct gpio_keys_button spitz_gpio_keys[] = {
 361         {
 362                 .type   = EV_PWR,
 363                 .code   = KEY_SUSPEND,
 364                 .gpio   = SPITZ_GPIO_ON_KEY,
 365                 .desc   = "On Off",
 366                 .wakeup = 1,
 367         },
 368         /* Two buttons detecting the lid state */
 369         {
 370                 .type   = EV_SW,
 371                 .code   = 0,
 372                 .gpio   = SPITZ_GPIO_SWA,
 373                 .desc   = "Display Down",
 374         },
 375         {
 376                 .type   = EV_SW,
 377                 .code   = 1,
 378                 .gpio   = SPITZ_GPIO_SWB,
 379                 .desc   = "Lid Closed",
 380         },
 381 };
 382
 383 static struct gpio_keys_platform_data spitz_gpio_keys_platform_data = {
 384         .buttons        = spitz_gpio_keys,
 385         .nbuttons       = ARRAY_SIZE(spitz_gpio_keys),
 386 };
 387
 388 static struct platform_device spitz_gpio_keys_device = {
 389         .name   = "gpio-keys",
 390         .id     = -1,
 391         .dev    = {
 392                 .platform_data  = &spitz_gpio_keys_platform_data,
 393         },
 394 };
 395
 396
 397 /*
 398  * Spitz LEDs
 399  */
 400 static struct gpio_led spitz_gpio_leds[] = {
 401         {
 402                 .name                   = "spitz:amber:charge",
 403                 .default_trigger        = "sharpsl-charge",
 404                 .gpio                   = SPITZ_GPIO_LED_ORANGE,
 405         },
 406         {
 407                 .name                   = "spitz:green:hddactivity",
 408                 .default_trigger        = "ide-disk",
 409                 .gpio                   = SPITZ_GPIO_LED_GREEN,
 410         },
 411 };
 412
 413 static struct gpio_led_platform_data spitz_gpio_leds_info = {
 414         .leds           = spitz_gpio_leds,
 415         .num_leds       = ARRAY_SIZE(spitz_gpio_leds),
 416 };
 417
 418 static struct platform_device spitzled_device = {
 419         .name           = "leds-gpio",
 420         .id             = -1,
 421         .dev            = {
 422                 .platform_data = &spitz_gpio_leds_info,
 423         },
 424 };
 425
 426 #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
 427 static struct pxa2xx_spi_master spitz_spi_info = {
 428         .num_chipselect = 3,
 429 };
 430
 431 static void spitz_wait_for_hsync(void)
 432 {
 433         while (gpio_get_value(SPITZ_GPIO_HSYNC))
 434                 cpu_relax();
 435
 436         while (!gpio_get_value(SPITZ_GPIO_HSYNC))
 437                 cpu_relax();
 438 }
 439
 440 static struct ads7846_platform_data spitz_ads7846_info = {
 441         .model                  = 7846,
 442         .vref_delay_usecs       = 100,
 443         .x_plate_ohms           = 419,
 444         .y_plate_ohms           = 486,
 445         .pressure_max           = 1024,
 446         .gpio_pendown           = SPITZ_GPIO_TP_INT,
 447         .wait_for_sync          = spitz_wait_for_hsync,
 448 };
 449
 450 static struct pxa2xx_spi_chip spitz_ads7846_chip = {
 451         .gpio_cs                = SPITZ_GPIO_ADS7846_CS,
 452 };
 453
 454 static void spitz_bl_kick_battery(void)
 455 {
 456         void (*kick_batt)(void);
 457
 458         kick_batt = symbol_get(sharpsl_battery_kick);
 459         if (kick_batt) {
 460                 kick_batt();
 461                 symbol_put(sharpsl_battery_kick);
 462         }
 463 }
 464
 465 static struct corgi_lcd_platform_data spitz_lcdcon_info = {
 466         .init_mode              = CORGI_LCD_MODE_VGA,
 467         .max_intensity          = 0x2f,
 468         .default_intensity      = 0x1f,
 469         .limit_mask             = 0x0b,
 470         .gpio_backlight_cont    = SPITZ_GPIO_BACKLIGHT_CONT,
 471         .gpio_backlight_on      = SPITZ_GPIO_BACKLIGHT_ON,
 472         .kick_battery           = spitz_bl_kick_battery,
 473 };
 474
 475 static struct pxa2xx_spi_chip spitz_lcdcon_chip = {
 476         .gpio_cs        = SPITZ_GPIO_LCDCON_CS,
 477 };
 478
 479 static struct pxa2xx_spi_chip spitz_max1111_chip = {
 480         .gpio_cs        = SPITZ_GPIO_MAX1111_CS,
 481 };
 482
 483 static struct spi_board_info spitz_spi_devices[] = {
 484         {
 485                 .modalias       = "ads7846",
 486                 .max_speed_hz   = 1200000,
 487                 .bus_num        = 2,
 488                 .chip_select    = 0,
 489                 .platform_data  = &spitz_ads7846_info,
 490                 .controller_data= &spitz_ads7846_chip,
 491                 .irq            = gpio_to_irq(SPITZ_GPIO_TP_INT),
 492         }, {
 493                 .modalias       = "corgi-lcd",
 494                 .max_speed_hz   = 50000,
 495                 .bus_num        = 2,
 496                 .chip_select    = 1,
 497                 .platform_data  = &spitz_lcdcon_info,
 498                 .controller_data= &spitz_lcdcon_chip,
 499         }, {
 500                 .modalias       = "max1111",
 501                 .max_speed_hz   = 450000,
 502                 .bus_num        = 2,
 503                 .chip_select    = 2,
 504                 .controller_data= &spitz_max1111_chip,
 505         },
 506 };
 507
 508 static void __init spitz_init_spi(void)
 509 {
 510         if (machine_is_akita()) {
 511                 spitz_lcdcon_info.gpio_backlight_cont = AKITA_GPIO_BACKLIGHT_CONT;
 512                 spitz_lcdcon_info.gpio_backlight_on = AKITA_GPIO_BACKLIGHT_ON;
 513         }
 514
 515         pxa2xx_set_spi_info(2, &spitz_spi_info);
 516         spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
 517 }
 518 #else
 519 static inline void spitz_init_spi(void) {}
 520 #endif
 521
 522 /*
 523  * MMC/SD Device
 524  *
 525  * The card detect interrupt isn't debounced so we delay it by 250ms
 526  * to give the card a chance to fully insert/eject.
 527  */
 528 static void spitz_mci_setpower(struct device *dev, unsigned int vdd)
 529 {
 530         struct pxamci_platform_data* p_d = dev->platform_data;
 531
 532         if (( 1 << vdd) & p_d->ocr_mask)
 533                 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0004);
 534         else
 535                 spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0000);
 536 }
 537
 538 static struct pxamci_platform_data spitz_mci_platform_data = {
 539         .detect_delay_ms        = 250,
 540         .ocr_mask               = MMC_VDD_32_33|MMC_VDD_33_34,
 541         .setpower               = spitz_mci_setpower,
 542         .gpio_card_detect       = SPITZ_GPIO_nSD_DETECT,
 543         .gpio_card_ro           = SPITZ_GPIO_nSD_WP,
 544         .gpio_power             = -1,
 545 };
 546
 547
 548 /*
 549  * USB Host (OHCI)
 550  */
 551 static int spitz_ohci_init(struct device *dev)
 552 {
 553         int err;
 554
 555         err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST");
 556         if (err)
 557                 return err;
 558
 559         /* Only Port 2 is connected
 560          * Setup USB Port 2 Output Control Register
 561          */
 562         UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;
 563
 564         return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
 565 }
 566
 567 static void spitz_ohci_exit(struct device *dev)
 568 {
 569         gpio_free(SPITZ_GPIO_USB_HOST);
 570 }
 571
 572 static struct pxaohci_platform_data spitz_ohci_platform_data = {
 573         .port_mode      = PMM_NPS_MODE,
 574         .init           = spitz_ohci_init,
 575         .exit           = spitz_ohci_exit,
 576         .flags          = ENABLE_PORT_ALL | NO_OC_PROTECTION,
 577         .power_budget   = 150,
 578 };
 579
 580
 581 /*
 582  * Irda
 583  */
 584
 585 static struct pxaficp_platform_data spitz_ficp_platform_data = {
 586 /* .gpio_pwdown is set in spitz_init() and akita_init() accordingly */
 587         .transceiver_cap        = IR_SIRMODE | IR_OFF,
 588 };
 589
 590
 591 /*
 592  * Spitz PXA Framebuffer
 593  */
 594
 595 static struct pxafb_mode_info spitz_pxafb_modes[] = {
 596 {
 597         .pixclock       = 19231,
 598         .xres           = 480,
 599         .yres           = 640,
 600         .bpp            = 16,
 601         .hsync_len      = 40,
 602         .left_margin    = 46,
 603         .right_margin   = 125,
 604         .vsync_len      = 3,
 605         .upper_margin   = 1,
 606         .lower_margin   = 0,
 607         .sync           = 0,
 608 },{
 609         .pixclock       = 134617,
 610         .xres           = 240,
 611         .yres           = 320,
 612         .bpp            = 16,
 613         .hsync_len      = 20,
 614         .left_margin    = 20,
 615         .right_margin   = 46,
 616         .vsync_len      = 2,
 617         .upper_margin   = 1,
 618         .lower_margin   = 0,
 619         .sync           = 0,
 620 },
 621 };
 622
 623 static struct pxafb_mach_info spitz_pxafb_info = {
 624         .modes          = &spitz_pxafb_modes[0],
 625         .num_modes      = 2,
 626         .fixed_modes    = 1,
 627         .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
 628 };
 629
 630 static struct mtd_partition sharpsl_nand_partitions[] = {
 631         {
 632                 .name = "System Area",
 633                 .offset = 0,
 634                 .size = 7 * 1024 * 1024,
 635         },
 636         {
 637                 .name = "Root Filesystem",
 638                 .offset = 7 * 1024 * 1024,
 639         },
 640         {
 641                 .name = "Home Filesystem",
 642                 .offset = MTDPART_OFS_APPEND,
 643                 .size = MTDPART_SIZ_FULL,
 644         },
 645 };
 646
 647 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
 648
 649 static struct nand_bbt_descr sharpsl_bbt = {
 650         .options = 0,
 651         .offs = 4,
 652         .len = 2,
 653         .pattern = scan_ff_pattern
 654 };
 655
 656 static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
 657         .badblock_pattern       = &sharpsl_bbt,
 658         .partitions             = sharpsl_nand_partitions,
 659         .nr_partitions          = ARRAY_SIZE(sharpsl_nand_partitions),
 660 };
 661
 662 static struct resource sharpsl_nand_resources[] = {
 663         {
 664                 .start  = 0x0C000000,
 665                 .end    = 0x0C000FFF,
 666                 .flags  = IORESOURCE_MEM,
 667         },
 668 };
 669
 670 static struct platform_device sharpsl_nand_device = {
 671         .name           = "sharpsl-nand",
 672         .id             = -1,
 673         .resource       = sharpsl_nand_resources,
 674         .num_resources  = ARRAY_SIZE(sharpsl_nand_resources),
 675         .dev.platform_data      = &sharpsl_nand_platform_data,
 676 };
 677
 678
 679 static struct mtd_partition sharpsl_rom_parts[] = {
 680         {
 681                 .name   ="Boot PROM Filesystem",
 682                 .offset = 0x00140000,
 683                 .size   = MTDPART_SIZ_FULL,
 684         },
 685 };
 686
 687 static struct physmap_flash_data sharpsl_rom_data = {
 688         .width          = 2,
 689         .nr_parts       = ARRAY_SIZE(sharpsl_rom_parts),
 690         .parts          = sharpsl_rom_parts,
 691 };
 692
 693 static struct resource sharpsl_rom_resources[] = {
 694         {
 695                 .start  = 0x00000000,
 696                 .end    = 0x007fffff,
 697                 .flags  = IORESOURCE_MEM,
 698         },
 699 };
 700
 701 static struct platform_device sharpsl_rom_device = {
 702         .name   = "physmap-flash",
 703         .id     = -1,
 704         .resource = sharpsl_rom_resources,
 705         .num_resources = ARRAY_SIZE(sharpsl_rom_resources),
 706         .dev.platform_data = &sharpsl_rom_data,
 707 };
 708
 709 static struct platform_device *devices[] __initdata = {
 710         &spitzscoop_device,
 711         &spitzkbd_device,
 712         &spitz_gpio_keys_device,
 713         &spitzled_device,
 714         &sharpsl_nand_device,
 715         &sharpsl_rom_device,
 716 };
 717
 718 static void spitz_poweroff(void)
 719 {
 720         arm_machine_restart('g', NULL);
 721 }
 722
 723 static void spitz_restart(char mode, const char *cmd)
 724 {
 725         /* Bootloader magic for a reboot */
 726         if((MSC0 & 0xffff0000) == 0x7ff00000)
 727                 MSC0 = (MSC0 & 0xffff) | 0x7ee00000;
 728
 729         spitz_poweroff();
 730 }
 731
 732 static void __init common_init(void)
 733 {
 734         init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0);
 735         pm_power_off = spitz_poweroff;
 736         arm_pm_restart = spitz_restart;
 737
 738         if (machine_is_spitz()) {
 739                 sharpsl_nand_partitions[1].size = 5 * 1024 * 1024;
 740         } else if (machine_is_akita()) {
 741                 sharpsl_nand_partitions[1].size = 58 * 1024 * 1024;
 742         } else if (machine_is_borzoi()) {
 743                 sharpsl_nand_partitions[1].size = 32 * 1024 * 1024;
 744         }
 745
 746         PMCR = 0x00;
 747
 748         /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
 749         PCFR |= PCFR_OPDE;
 750
 751         pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));
 752
 753         pxa_set_ffuart_info(NULL);
 754         pxa_set_btuart_info(NULL);
 755         pxa_set_stuart_info(NULL);
 756
 757         spitz_init_spi();
 758
 759         platform_add_devices(devices, ARRAY_SIZE(devices));
 760         pxa_set_mci_info(&spitz_mci_platform_data);
 761         pxa_set_ohci_info(&spitz_ohci_platform_data);
 762         pxa_set_ficp_info(&spitz_ficp_platform_data);
 763         set_pxa_fb_info(&spitz_pxafb_info);
 764         pxa_set_i2c_info(NULL);
 765 }
 766
 767 #if defined(CONFIG_MACH_AKITA) || defined(CONFIG_MACH_BORZOI)
 768 static struct nand_bbt_descr sharpsl_akita_bbt = {
 769         .options = 0,
 770         .offs = 4,
 771         .len = 1,
 772         .pattern = scan_ff_pattern
 773 };
 774
 775 static struct nand_ecclayout akita_oobinfo = {
 776         .eccbytes = 24,
 777         .eccpos = {
 778                    0x5, 0x1, 0x2, 0x3, 0x6, 0x7, 0x15, 0x11,
 779                    0x12, 0x13, 0x16, 0x17, 0x25, 0x21, 0x22, 0x23,
 780                    0x26, 0x27, 0x35, 0x31, 0x32, 0x33, 0x36, 0x37},
 781         .oobfree = {{0x08, 0x09}}
 782 };
 783 #endif
 784
 785 #if defined(CONFIG_MACH_SPITZ) || defined(CONFIG_MACH_BORZOI)
 786 static void __init spitz_init(void)
 787 {
 788         spitz_ficp_platform_data.gpio_pwdown = SPITZ_GPIO_IR_ON;
 789
 790 #ifdef CONFIG_MACH_BORZOI
 791         if (machine_is_borzoi()) {
 792                 sharpsl_nand_platform_data.badblock_pattern = &sharpsl_akita_bbt;
 793                 sharpsl_nand_platform_data.ecc_layout = &akita_oobinfo;
 794         }
 795 #endif
 796
 797         platform_scoop_config = &spitz_pcmcia_config;
 798
 799         common_init();
 800
 801         platform_device_register(&spitzscoop2_device);
 802 }
 803 #endif
 804
 805 #ifdef CONFIG_MACH_AKITA
 806 /*
 807  * Akita IO Expander
 808  */
 809 static struct pca953x_platform_data akita_ioexp = {
 810         .gpio_base              = AKITA_IOEXP_GPIO_BASE,
 811 };
 812
 813 static struct i2c_board_info akita_i2c_board_info[] = {
 814         {
 815                 .type           = "max7310",
 816                 .addr           = 0x18,
 817                 .platform_data  = &akita_ioexp,
 818         }, {
 819                 .type           = "wm8750",
 820                 .addr           = 0x1b,
 821         },
 822 };
 823
 824 static void __init akita_init(void)
 825 {
 826         spitz_ficp_platform_data.gpio_pwdown = AKITA_GPIO_IR_ON;
 827
 828         sharpsl_nand_platform_data.badblock_pattern = &sharpsl_akita_bbt;
 829         sharpsl_nand_platform_data.ecc_layout = &akita_oobinfo;
 830
 831         /* We just pretend the second element of the array doesn't exist */
 832         spitz_pcmcia_config.num_devs = 1;
 833         platform_scoop_config = &spitz_pcmcia_config;
 834
 835         i2c_register_board_info(0, ARRAY_AND_SIZE(akita_i2c_board_info));
 836
 837         common_init();
 838 }
 839 #endif
 840
 841 static void __init fixup_spitz(struct machine_desc *desc,
 842                 struct tag *tags, char **cmdline, struct meminfo *mi)
 843 {
 844         sharpsl_save_param();
 845         mi->nr_banks = 1;
 846         mi->bank[0].start = 0xa0000000;
 847         mi->bank[0].node = 0;
 848         mi->bank[0].size = (64*1024*1024);
 849 }
 850
 851 #ifdef CONFIG_MACH_SPITZ
 852 MACHINE_START(SPITZ, "SHARP Spitz")
 853         .phys_io        = 0x40000000,
 854         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 855         .fixup          = fixup_spitz,
 856         .map_io         = pxa_map_io,
 857         .init_irq       = pxa27x_init_irq,
 858         .init_machine   = spitz_init,
 859         .timer          = &pxa_timer,
 860 MACHINE_END
 861 #endif
 862
 863 #ifdef CONFIG_MACH_BORZOI
 864 MACHINE_START(BORZOI, "SHARP Borzoi")
 865         .phys_io        = 0x40000000,
 866         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 867         .fixup          = fixup_spitz,
 868         .map_io         = pxa_map_io,
 869         .init_irq       = pxa27x_init_irq,
 870         .init_machine   = spitz_init,
 871         .timer          = &pxa_timer,
 872 MACHINE_END
 873 #endif
 874
 875 #ifdef CONFIG_MACH_AKITA
 876 MACHINE_START(AKITA, "SHARP Akita")
 877         .phys_io        = 0x40000000,
 878         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 879         .fixup          = fixup_spitz,
 880         .map_io         = pxa_map_io,
 881         .init_irq       = pxa27x_init_irq,
 882         .init_machine   = akita_init,
 883         .timer          = &pxa_timer,
 884 MACHINE_END
 885 #endif