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spitz.c

/*
 * Support for Sharp SL-Cxx00 Series of PDAs
 * Models: SL-C3000 (Spitz), SL-C1000 (Akita) and SL-C3100 (Borzoi)
 *
 * Copyright (c) 2005 Richard Purdie
 *
 * Based on Sharp's 2.4 kernel patches/lubbock.c
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 */

#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/gpio_keys.h>
#include <linux/gpio.h>
#include <linux/leds.h>
#include <linux/mtd/physmap.h>
#include <linux/i2c.h>
#include <linux/i2c/pca953x.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <linux/spi/corgi_lcd.h>
#include <linux/mtd/sharpsl.h>
#include <linux/input/matrix_keypad.h>

#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/sharpsl_param.h>
#include <asm/hardware/scoop.h>


#include <mach/pxa27x.h>
#include <mach/pxa27x-udc.h>
#include <mach/reset.h>
#include <plat/i2c.h>
#include <mach/irda.h>
#include <mach/mmc.h>
#include <mach/ohci.h>
#include <mach/pxafb.h>
#include <mach/pxa2xx_spi.h>
#include <mach/spitz.h>

#include "generic.h"
#include "devices.h"
#include "sharpsl.h"

static unsigned long spitz_pin_config[] __initdata = {
      /* Chip Selects */
      GPIO78_nCS_2,     /* SCOOP #2 */
      GPIO79_nCS_3,     /* NAND */
      GPIO80_nCS_4,     /* SCOOP #1 */

      /* LCD - 16bpp Active TFT */
      GPIO58_LCD_LDD_0,
      GPIO59_LCD_LDD_1,
      GPIO60_LCD_LDD_2,
      GPIO61_LCD_LDD_3,
      GPIO62_LCD_LDD_4,
      GPIO63_LCD_LDD_5,
      GPIO64_LCD_LDD_6,
      GPIO65_LCD_LDD_7,
      GPIO66_LCD_LDD_8,
      GPIO67_LCD_LDD_9,
      GPIO68_LCD_LDD_10,
      GPIO69_LCD_LDD_11,
      GPIO70_LCD_LDD_12,
      GPIO71_LCD_LDD_13,
      GPIO72_LCD_LDD_14,
      GPIO73_LCD_LDD_15,
      GPIO74_LCD_FCLK,
      GPIO75_LCD_LCLK,
      GPIO76_LCD_PCLK,

      /* PC Card */
      GPIO48_nPOE,
      GPIO49_nPWE,
      GPIO50_nPIOR,
      GPIO51_nPIOW,
      GPIO85_nPCE_1,
      GPIO54_nPCE_2,
      GPIO55_nPREG,
      GPIO56_nPWAIT,
      GPIO57_nIOIS16,
      GPIO104_PSKTSEL,

      /* I2S */
      GPIO28_I2S_BITCLK_OUT,
      GPIO29_I2S_SDATA_IN,
      GPIO30_I2S_SDATA_OUT,
      GPIO31_I2S_SYNC,

      /* MMC */
      GPIO32_MMC_CLK,
      GPIO112_MMC_CMD,
      GPIO92_MMC_DAT_0,
      GPIO109_MMC_DAT_1,
      GPIO110_MMC_DAT_2,
      GPIO111_MMC_DAT_3,

      /* GPIOs */
      GPIO9_GPIO, /* SPITZ_GPIO_nSD_DETECT */
      GPIO81_GPIO,      /* SPITZ_GPIO_nSD_WP */
      GPIO41_GPIO,      /* SPITZ_GPIO_USB_CONNECT */
      GPIO37_GPIO,      /* SPITZ_GPIO_USB_HOST */
      GPIO35_GPIO,      /* SPITZ_GPIO_USB_DEVICE */
      GPIO22_GPIO,      /* SPITZ_GPIO_HSYNC */
      GPIO94_GPIO,      /* SPITZ_GPIO_CF_CD */
      GPIO105_GPIO,     /* SPITZ_GPIO_CF_IRQ */
      GPIO106_GPIO,     /* SPITZ_GPIO_CF2_IRQ */

      /* GPIO matrix keypad */
      GPIO88_GPIO,      /* column 0 */
      GPIO23_GPIO,      /* column 1 */
      GPIO24_GPIO,      /* column 2 */
      GPIO25_GPIO,      /* column 3 */
      GPIO26_GPIO,      /* column 4 */
      GPIO27_GPIO,      /* column 5 */
      GPIO52_GPIO,      /* column 6 */
      GPIO103_GPIO,     /* column 7 */
      GPIO107_GPIO,     /* column 8 */
      GPIO108_GPIO,     /* column 9 */
      GPIO114_GPIO,     /* column 10 */
      GPIO12_GPIO,      /* row 0 */
      GPIO17_GPIO,      /* row 1 */
      GPIO91_GPIO,      /* row 2 */
      GPIO34_GPIO,      /* row 3 */
      GPIO36_GPIO,      /* row 4 */
      GPIO38_GPIO,      /* row 5 */
      GPIO39_GPIO,      /* row 6 */

      /* I2C */
      GPIO117_I2C_SCL,
      GPIO118_I2C_SDA,

      GPIO1_GPIO | WAKEUP_ON_EDGE_RISE,
};

/*
 * Spitz SCOOP Device #1
 */
static struct resource spitz_scoop_resources[] = {
      [0] = {
            .start            = 0x10800000,
            .end        = 0x10800fff,
            .flags            = IORESOURCE_MEM,
      },
};

static struct scoop_config spitz_scoop_setup = {
      .io_dir           = SPITZ_SCP_IO_DIR,
      .io_out           = SPITZ_SCP_IO_OUT,
      .suspend_clr      = SPITZ_SCP_SUS_CLR,
      .suspend_set      = SPITZ_SCP_SUS_SET,
      .gpio_base  = SPITZ_SCP_GPIO_BASE,
};

struct platform_device spitzscoop_device = {
      .name       = "sharp-scoop",
      .id         = 0,
      .dev        = {
            .platform_data    = &spitz_scoop_setup,
      },
      .num_resources    = ARRAY_SIZE(spitz_scoop_resources),
      .resource   = spitz_scoop_resources,
};

/*
 * Spitz SCOOP Device #2
 */
static struct resource spitz_scoop2_resources[] = {
      [0] = {
            .start            = 0x08800040,
            .end        = 0x08800fff,
            .flags            = IORESOURCE_MEM,
      },
};

static struct scoop_config spitz_scoop2_setup = {
      .io_dir           = SPITZ_SCP2_IO_DIR,
      .io_out           = SPITZ_SCP2_IO_OUT,
      .suspend_clr      = SPITZ_SCP2_SUS_CLR,
      .suspend_set      = SPITZ_SCP2_SUS_SET,
      .gpio_base  = SPITZ_SCP2_GPIO_BASE,
};

struct platform_device spitzscoop2_device = {
      .name       = "sharp-scoop",
      .id         = 1,
      .dev        = {
            .platform_data    = &spitz_scoop2_setup,
      },
      .num_resources    = ARRAY_SIZE(spitz_scoop2_resources),
      .resource   = spitz_scoop2_resources,
};

#define SPITZ_PWR_SD 0x01
#define SPITZ_PWR_CF 0x02

/* Power control is shared with between one of the CF slots and SD */
static void spitz_card_pwr_ctrl(int device, unsigned short new_cpr)
{
      unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR);

      if (new_cpr & 0x0007) {
            gpio_set_value(SPITZ_GPIO_CF_POWER, 1);
            if (!(cpr & 0x0002) && !(cpr & 0x0004))
                    mdelay(5);
            if (device == SPITZ_PWR_CF)
                    cpr |= 0x0002;
            if (device == SPITZ_PWR_SD)
                    cpr |= 0x0004;
              write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
      } else {
            if (device == SPITZ_PWR_CF)
                    cpr &= ~0x0002;
            if (device == SPITZ_PWR_SD)
                    cpr &= ~0x0004;
            if (!(cpr & 0x0002) && !(cpr & 0x0004)) {
                  write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, 0x0000);
                    mdelay(1);
                  gpio_set_value(SPITZ_GPIO_CF_POWER, 0);
            } else {
                    write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | new_cpr);
            }
      }
}

static void spitz_pcmcia_pwr(struct device *scoop, unsigned short cpr, int nr)
{
      /* Only need to override behaviour for slot 0 */
      if (nr == 0)
            spitz_card_pwr_ctrl(SPITZ_PWR_CF, cpr);
      else
            write_scoop_reg(scoop, SCOOP_CPR, cpr);
}

static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
{
      .dev        = &spitzscoop_device.dev,
      .irq        = SPITZ_IRQ_GPIO_CF_IRQ,
      .cd_irq     = SPITZ_IRQ_GPIO_CF_CD,
      .cd_irq_str = "PCMCIA0 CD",
},{
      .dev        = &spitzscoop2_device.dev,
      .irq        = SPITZ_IRQ_GPIO_CF2_IRQ,
      .cd_irq     = -1,
},
};

static struct scoop_pcmcia_config spitz_pcmcia_config = {
      .devs         = &spitz_pcmcia_scoop[0],
      .num_devs     = 2,
      .power_ctrl   = spitz_pcmcia_pwr,
};

EXPORT_SYMBOL(spitzscoop_device);
EXPORT_SYMBOL(spitzscoop2_device);

/*
 * Spitz Keyboard Device
 */
#define SPITZ_KEY_CALENDAR    KEY_F1
#define SPITZ_KEY_ADDRESS     KEY_F2
#define SPITZ_KEY_FN          KEY_F3
#define SPITZ_KEY_CANCEL      KEY_F4
#define SPITZ_KEY_EXOK        KEY_F5
#define SPITZ_KEY_EXCANCEL    KEY_F6
#define SPITZ_KEY_EXJOGDOWN   KEY_F7
#define SPITZ_KEY_EXJOGUP     KEY_F8
#define SPITZ_KEY_JAP1        KEY_LEFTALT
#define SPITZ_KEY_JAP2        KEY_RIGHTCTRL
#define SPITZ_KEY_SYNC        KEY_F9
#define SPITZ_KEY_MAIL        KEY_F10
#define SPITZ_KEY_OK          KEY_F11
#define SPITZ_KEY_MENU        KEY_F12

static const uint32_t spitzkbd_keymap[] = {
      KEY(0, 0, KEY_LEFTCTRL),
      KEY(0, 1, KEY_1),
      KEY(0, 2, KEY_3),
      KEY(0, 3, KEY_5),
      KEY(0, 4, KEY_6),
      KEY(0, 5, KEY_7),
      KEY(0, 6, KEY_9),
      KEY(0, 7, KEY_0),
      KEY(0, 8, KEY_BACKSPACE),
      KEY(0, 9, SPITZ_KEY_EXOK),    /* EXOK */
      KEY(0, 10, SPITZ_KEY_EXCANCEL),     /* EXCANCEL */
      KEY(1, 1, KEY_2),
      KEY(1, 2, KEY_4),
      KEY(1, 3, KEY_R),
      KEY(1, 4, KEY_Y),
      KEY(1, 5, KEY_8),
      KEY(1, 6, KEY_I),
      KEY(1, 7, KEY_O),
      KEY(1, 8, KEY_P),
      KEY(1, 9, SPITZ_KEY_EXJOGDOWN),     /* EXJOGDOWN */
      KEY(1, 10, SPITZ_KEY_EXJOGUP),      /* EXJOGUP */
      KEY(2, 0, KEY_TAB),
      KEY(2, 1, KEY_Q),
      KEY(2, 2, KEY_E),
      KEY(2, 3, KEY_T),
      KEY(2, 4, KEY_G),
      KEY(2, 5, KEY_U),
      KEY(2, 6, KEY_J),
      KEY(2, 7, KEY_K),
      KEY(3, 0, SPITZ_KEY_ADDRESS), /* ADDRESS */
      KEY(3, 1, KEY_W),
      KEY(3, 2, KEY_S),
      KEY(3, 3, KEY_F),
      KEY(3, 4, KEY_V),
      KEY(3, 5, KEY_H),
      KEY(3, 6, KEY_M),
      KEY(3, 7, KEY_L),
      KEY(3, 9, KEY_RIGHTSHIFT),
      KEY(4, 0, SPITZ_KEY_CALENDAR),      /* CALENDAR */
      KEY(4, 1, KEY_A),
      KEY(4, 2, KEY_D),
      KEY(4, 3, KEY_C),
      KEY(4, 4, KEY_B),
      KEY(4, 5, KEY_N),
      KEY(4, 6, KEY_DOT),
      KEY(4, 8, KEY_ENTER),
      KEY(4, 9, KEY_LEFTSHIFT),
      KEY(5, 0, SPITZ_KEY_MAIL),    /* MAIL */
      KEY(5, 1, KEY_Z),
      KEY(5, 2, KEY_X),
      KEY(5, 3, KEY_MINUS),
      KEY(5, 4, KEY_SPACE),
      KEY(5, 5, KEY_COMMA),
      KEY(5, 7, KEY_UP),
      KEY(5, 10, SPITZ_KEY_FN),     /* FN */
      KEY(6, 0, KEY_SYSRQ),
      KEY(6, 1, SPITZ_KEY_JAP1),    /* JAP1 */
      KEY(6, 2, SPITZ_KEY_JAP2),    /* JAP2 */
      KEY(6, 3, SPITZ_KEY_CANCEL),  /* CANCEL */
      KEY(6, 4, SPITZ_KEY_OK),      /* OK */
      KEY(6, 5, SPITZ_KEY_MENU),    /* MENU */
      KEY(6, 6, KEY_LEFT),
      KEY(6, 7, KEY_DOWN),
      KEY(6, 8, KEY_RIGHT),
};

static const struct matrix_keymap_data spitzkbd_keymap_data = {
      .keymap           = spitzkbd_keymap,
      .keymap_size      = ARRAY_SIZE(spitzkbd_keymap),
};

static const uint32_t spitzkbd_row_gpios[] =
            { 12, 17, 91, 34, 36, 38, 39 };
static const uint32_t spitzkbd_col_gpios[] =
            { 88, 23, 24, 25, 26, 27, 52, 103, 107, 108, 114 };

static struct matrix_keypad_platform_data spitzkbd_pdata = {
      .keymap_data            = &spitzkbd_keymap_data,
      .row_gpios        = spitzkbd_row_gpios,
      .col_gpios        = spitzkbd_col_gpios,
      .num_row_gpios          = ARRAY_SIZE(spitzkbd_row_gpios),
      .num_col_gpios          = ARRAY_SIZE(spitzkbd_col_gpios),
      .col_scan_delay_us      = 10,
      .debounce_ms            = 10,
      .wakeup                 = 1,
};

static struct platform_device spitzkbd_device = {
      .name       = "matrix-keypad",
      .id         = -1,
      .dev        = {
            .platform_data = &spitzkbd_pdata,
      },
};


static struct gpio_keys_button spitz_gpio_keys[] = {
      {
            .type = EV_PWR,
            .code = KEY_SUSPEND,
            .gpio = SPITZ_GPIO_ON_KEY,
            .desc = "On/Off",
            .wakeup     = 1,
      },
      /* Two buttons detecting the lid state */
      {
            .type = EV_SW,
            .code = 0,
            .gpio = SPITZ_GPIO_SWA,
            .desc = "´╗┐Display Down",
      },
      {
            .type = EV_SW,
            .code = 1,
            .gpio = SPITZ_GPIO_SWB,
            .desc = "´╗┐Lid Closed",
      },
};

static struct gpio_keys_platform_data spitz_gpio_keys_platform_data = {
      .buttons    = spitz_gpio_keys,
      .nbuttons   = ARRAY_SIZE(spitz_gpio_keys),
};

static struct platform_device spitz_gpio_keys_device = {
      .name = "gpio-keys",
      .id   = -1,
      .dev  = {
            .platform_data    = &spitz_gpio_keys_platform_data,
      },
};


/*
 * Spitz LEDs
 */
static struct gpio_led spitz_gpio_leds[] = {
      {
            .name             = "spitz:amber:charge",
            .default_trigger  = "sharpsl-charge",
            .gpio             = SPITZ_GPIO_LED_ORANGE,
      },
      {
            .name             = "spitz:green:hddactivity",
            .default_trigger  = "ide-disk",
            .gpio             = SPITZ_GPIO_LED_GREEN,
      },
};

static struct gpio_led_platform_data spitz_gpio_leds_info = {
      .leds       = spitz_gpio_leds,
      .num_leds   = ARRAY_SIZE(spitz_gpio_leds),
};

static struct platform_device spitzled_device = {
      .name       = "leds-gpio",
      .id         = -1,
      .dev        = {
            .platform_data = &spitz_gpio_leds_info,
      },
};

#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
static struct pxa2xx_spi_master spitz_spi_info = {
      .num_chipselect   = 3,
};

static void spitz_wait_for_hsync(void)
{
      while (gpio_get_value(SPITZ_GPIO_HSYNC))
            cpu_relax();

      while (!gpio_get_value(SPITZ_GPIO_HSYNC))
            cpu_relax();
}

static struct ads7846_platform_data spitz_ads7846_info = {
      .model                  = 7846,
      .vref_delay_usecs = 100,
      .x_plate_ohms           = 419,
      .y_plate_ohms           = 486,
      .pressure_max           = 1024,
      .gpio_pendown           = SPITZ_GPIO_TP_INT,
      .wait_for_sync          = spitz_wait_for_hsync,
};

static struct pxa2xx_spi_chip spitz_ads7846_chip = {
      .gpio_cs          = SPITZ_GPIO_ADS7846_CS,
};

static void spitz_bl_kick_battery(void)
{
      void (*kick_batt)(void);

      kick_batt = symbol_get(sharpsl_battery_kick);
      if (kick_batt) {
            kick_batt();
            symbol_put(sharpsl_battery_kick);
      }
}

static struct corgi_lcd_platform_data spitz_lcdcon_info = {
      .init_mode        = CORGI_LCD_MODE_VGA,
      .max_intensity          = 0x2f,
      .default_intensity      = 0x1f,
      .limit_mask       = 0x0b,
      .gpio_backlight_cont    = SPITZ_GPIO_BACKLIGHT_CONT,
      .gpio_backlight_on      = SPITZ_GPIO_BACKLIGHT_ON,
      .kick_battery           = spitz_bl_kick_battery,
};

static struct pxa2xx_spi_chip spitz_lcdcon_chip = {
      .gpio_cs    = SPITZ_GPIO_LCDCON_CS,
};

static struct pxa2xx_spi_chip spitz_max1111_chip = {
      .gpio_cs    = SPITZ_GPIO_MAX1111_CS,
};

static struct spi_board_info spitz_spi_devices[] = {
      {
            .modalias   = "ads7846",
            .max_speed_hz     = 1200000,
            .bus_num    = 2,
            .chip_select      = 0,
            .platform_data    = &spitz_ads7846_info,
            .controller_data= &spitz_ads7846_chip,
            .irq        = gpio_to_irq(SPITZ_GPIO_TP_INT),
      }, {
            .modalias   = "corgi-lcd",
            .max_speed_hz     = 50000,
            .bus_num    = 2,
            .chip_select      = 1,
            .platform_data    = &spitz_lcdcon_info,
            .controller_data= &spitz_lcdcon_chip,
      }, {
            .modalias   = "max1111",
            .max_speed_hz     = 450000,
            .bus_num    = 2,
            .chip_select      = 2,
            .controller_data= &spitz_max1111_chip,
      },
};

static void __init spitz_init_spi(void)
{
      if (machine_is_akita()) {
            spitz_lcdcon_info.gpio_backlight_cont = AKITA_GPIO_BACKLIGHT_CONT;
            spitz_lcdcon_info.gpio_backlight_on = AKITA_GPIO_BACKLIGHT_ON;
      }

      pxa2xx_set_spi_info(2, &spitz_spi_info);
      spi_register_board_info(ARRAY_AND_SIZE(spitz_spi_devices));
}
#else
static inline void spitz_init_spi(void) {}
#endif

/*
 * MMC/SD Device
 *
 * The card detect interrupt isn't debounced so we delay it by 250ms
 * to give the card a chance to fully insert/eject.
 */
static void spitz_mci_setpower(struct device *dev, unsigned int vdd)
{
      struct pxamci_platform_data* p_d = dev->platform_data;

      if (( 1 << vdd) & p_d->ocr_mask)
            spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0004);
      else
            spitz_card_pwr_ctrl(SPITZ_PWR_SD, 0x0000);
}

static struct pxamci_platform_data spitz_mci_platform_data = {
      .ocr_mask         = MMC_VDD_32_33|MMC_VDD_33_34,
      .setpower         = spitz_mci_setpower,
      .gpio_card_detect = SPITZ_GPIO_nSD_DETECT,
      .gpio_card_ro           = SPITZ_GPIO_nSD_WP,
      .gpio_power       = -1,
};


/*
 * USB Host (OHCI)
 */
static int spitz_ohci_init(struct device *dev)
{
      int err;

      err = gpio_request(SPITZ_GPIO_USB_HOST, "USB_HOST");
      if (err)
            return err;

      /* Only Port 2 is connected
       * Setup USB Port 2 Output Control Register
       */
      UP2OCR = UP2OCR_HXS | UP2OCR_HXOE | UP2OCR_DPPDE | UP2OCR_DMPDE;

      return gpio_direction_output(SPITZ_GPIO_USB_HOST, 1);
}

static void spitz_ohci_exit(struct device *dev)
{
      gpio_free(SPITZ_GPIO_USB_HOST);
}

static struct pxaohci_platform_data spitz_ohci_platform_data = {
      .port_mode  = PMM_NPS_MODE,
      .init       = spitz_ohci_init,
      .exit       = spitz_ohci_exit,
      .flags            = ENABLE_PORT_ALL | NO_OC_PROTECTION,
      .power_budget     = 150,
};


/*
 * Irda
 */

static struct pxaficp_platform_data spitz_ficp_platform_data = {
/* .gpio_pwdown is set in spitz_init() and akita_init() accordingly */
      .transceiver_cap  = IR_SIRMODE | IR_OFF,
};


/*
 * Spitz PXA Framebuffer
 */

static struct pxafb_mode_info spitz_pxafb_modes[] = {
{
      .pixclock       = 19231,
      .xres           = 480,
      .yres           = 640,
      .bpp            = 16,
      .hsync_len      = 40,
      .left_margin    = 46,
      .right_margin   = 125,
      .vsync_len      = 3,
      .upper_margin   = 1,
      .lower_margin   = 0,
      .sync           = 0,
},{
      .pixclock       = 134617,
      .xres           = 240,
      .yres           = 320,
      .bpp            = 16,
      .hsync_len      = 20,
      .left_margin    = 20,
      .right_margin   = 46,
      .vsync_len      = 2,
      .upper_margin   = 1,
      .lower_margin   = 0,
      .sync           = 0,
},
};

static struct pxafb_mach_info spitz_pxafb_info = {
      .modes          = &spitz_pxafb_modes[0],
      .num_modes      = 2,
      .fixed_modes    = 1,
      .lcd_conn   = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
};

static struct mtd_partition sharpsl_nand_partitions[] = {
      {
            .name = "System Area",
            .offset = 0,
            .size = 7 * 1024 * 1024,
      },
      {
            .name = "Root Filesystem",
            .offset = 7 * 1024 * 1024,
      },
      {
            .name = "Home Filesystem",
            .offset = MTDPART_OFS_APPEND,
            .size = MTDPART_SIZ_FULL,
      },
};

static uint8_t scan_ff_pattern[] = { 0xff, 0xff };

static struct nand_bbt_descr sharpsl_bbt = {
      .options = 0,
      .offs = 4,
      .len = 2,
      .pattern = scan_ff_pattern
};

static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = {
      .badblock_pattern = &sharpsl_bbt,
      .partitions       = sharpsl_nand_partitions,
      .nr_partitions          = ARRAY_SIZE(sharpsl_nand_partitions),
};

static struct resource sharpsl_nand_resources[] = {
      {
            .start      = 0x0C000000,
            .end  = 0x0C000FFF,
            .flags      = IORESOURCE_MEM,
      },
};

static struct platform_device sharpsl_nand_device = {
      .name       = "sharpsl-nand",
      .id         = -1,
      .resource   = sharpsl_nand_resources,
      .num_resources    = ARRAY_SIZE(sharpsl_nand_resources),
      .dev.platform_data      = &sharpsl_nand_platform_data,
};


static struct mtd_partition sharpsl_rom_parts[] = {
      {
            .name ="Boot PROM Filesystem",
            .offset     = 0x00140000,
            .size = MTDPART_SIZ_FULL,
      },
};

static struct physmap_flash_data sharpsl_rom_data = {
      .width            = 2,
      .nr_parts   = ARRAY_SIZE(sharpsl_rom_parts),
      .parts            = sharpsl_rom_parts,
};

static struct resource sharpsl_rom_resources[] = {
      {
            .start      = 0x00000000,
            .end  = 0x007fffff,
            .flags      = IORESOURCE_MEM,
      },
};

static struct platform_device sharpsl_rom_device = {
      .name = "physmap-flash",
      .id   = -1,
      .resource = sharpsl_rom_resources,
      .num_resources = ARRAY_SIZE(sharpsl_rom_resources),
      .dev.platform_data = &sharpsl_rom_data,
};

static struct platform_device *devices[] __initdata = {
      &spitzscoop_device,
      &spitzkbd_device,
      &spitz_gpio_keys_device,
      &spitzled_device,
      &sharpsl_nand_device,
      &sharpsl_rom_device,
};

static void spitz_poweroff(void)
{
      arm_machine_restart('g', NULL);
}

static void spitz_restart(char mode, const char *cmd)
{
      /* Bootloader magic for a reboot */
      if((MSC0 & 0xffff0000) == 0x7ff00000)
            MSC0 = (MSC0 & 0xffff) | 0x7ee00000;

      spitz_poweroff();
}

static void __init common_init(void)
{
      init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0);
      pm_power_off = spitz_poweroff;
      arm_pm_restart = spitz_restart;

      if (machine_is_spitz()) {
            sharpsl_nand_partitions[1].size = 5 * 1024 * 1024;
      } else if (machine_is_akita()) {
            sharpsl_nand_partitions[1].size = 58 * 1024 * 1024;
      } else if (machine_is_borzoi()) {
            sharpsl_nand_partitions[1].size = 32 * 1024 * 1024;
      }

      PMCR = 0x00;

      /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
      PCFR |= PCFR_OPDE;

      pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));

      spitz_init_spi();

      platform_add_devices(devices, ARRAY_SIZE(devices));
      spitz_mci_platform_data.detect_delay = msecs_to_jiffies(250);
      pxa_set_mci_info(&spitz_mci_platform_data);
      pxa_set_ohci_info(&spitz_ohci_platform_data);
      pxa_set_ficp_info(&spitz_ficp_platform_data);
      set_pxa_fb_info(&spitz_pxafb_info);
      pxa_set_i2c_info(NULL);
}

#if defined(CONFIG_MACH_AKITA) || defined(CONFIG_MACH_BORZOI)
static struct nand_bbt_descr sharpsl_akita_bbt = {
      .options = 0,
      .offs = 4,
      .len = 1,
      .pattern = scan_ff_pattern
};

static struct nand_ecclayout akita_oobinfo = {
      .eccbytes = 24,
      .eccpos = {
               0x5, 0x1, 0x2, 0x3, 0x6, 0x7, 0x15, 0x11,
               0x12, 0x13, 0x16, 0x17, 0x25, 0x21, 0x22, 0x23,
               0x26, 0x27, 0x35, 0x31, 0x32, 0x33, 0x36, 0x37},
      .oobfree = {{0x08, 0x09}}
};
#endif

#if defined(CONFIG_MACH_SPITZ) || defined(CONFIG_MACH_BORZOI)
static void __init spitz_init(void)
{
      spitz_ficp_platform_data.gpio_pwdown = SPITZ_GPIO_IR_ON;

#ifdef CONFIG_MACH_BORZOI
      if (machine_is_borzoi()) {
            sharpsl_nand_platform_data.badblock_pattern = &sharpsl_akita_bbt;
            sharpsl_nand_platform_data.ecc_layout = &akita_oobinfo;
      }
#endif

      platform_scoop_config = &spitz_pcmcia_config;

      common_init();

      platform_device_register(&spitzscoop2_device);
}
#endif

#ifdef CONFIG_MACH_AKITA
/*
 * Akita IO Expander
 */
static struct pca953x_platform_data akita_ioexp = {
      .gpio_base        = AKITA_IOEXP_GPIO_BASE,
};

static struct i2c_board_info akita_i2c_board_info[] = {
      {
            .type       = "max7310",
            .addr       = 0x18,
            .platform_data    = &akita_ioexp,
      },
};

static void __init akita_init(void)
{
      spitz_ficp_platform_data.gpio_pwdown = AKITA_GPIO_IR_ON;

      sharpsl_nand_platform_data.badblock_pattern = &sharpsl_akita_bbt;
      sharpsl_nand_platform_data.ecc_layout = &akita_oobinfo;

      /* We just pretend the second element of the array doesn't exist */
      spitz_pcmcia_config.num_devs = 1;
      platform_scoop_config = &spitz_pcmcia_config;

      i2c_register_board_info(0, ARRAY_AND_SIZE(akita_i2c_board_info));

      common_init();
}
#endif

static void __init fixup_spitz(struct machine_desc *desc,
            struct tag *tags, char **cmdline, struct meminfo *mi)
{
      sharpsl_save_param();
      mi->nr_banks = 1;
      mi->bank[0].start = 0xa0000000;
      mi->bank[0].node = 0;
      mi->bank[0].size = (64*1024*1024);
}

#ifdef CONFIG_MACH_SPITZ
MACHINE_START(SPITZ, "SHARP Spitz")
      .phys_io    = 0x40000000,
      .io_pg_offst      = (io_p2v(0x40000000) >> 18) & 0xfffc,
      .fixup            = fixup_spitz,
      .map_io           = pxa_map_io,
      .init_irq   = pxa27x_init_irq,
      .init_machine     = spitz_init,
      .timer            = &pxa_timer,
MACHINE_END
#endif

#ifdef CONFIG_MACH_BORZOI
MACHINE_START(BORZOI, "SHARP Borzoi")
      .phys_io    = 0x40000000,
      .io_pg_offst      = (io_p2v(0x40000000) >> 18) & 0xfffc,
      .fixup            = fixup_spitz,
      .map_io           = pxa_map_io,
      .init_irq   = pxa27x_init_irq,
      .init_machine     = spitz_init,
      .timer            = &pxa_timer,
MACHINE_END
#endif

#ifdef CONFIG_MACH_AKITA
MACHINE_START(AKITA, "SHARP Akita")
      .phys_io    = 0x40000000,
      .io_pg_offst      = (io_p2v(0x40000000) >> 18) & 0xfffc,
      .fixup            = fixup_spitz,
      .map_io           = pxa_map_io,
      .init_irq   = pxa27x_init_irq,
      .init_machine     = akita_init,
      .timer            = &pxa_timer,
MACHINE_END
#endif

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