spitz.c

Go to the documentation of this file.

/*
 * 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/i2c.h>
#include <linux/i2c/pxa-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/spi/pxa2xx_spi.h>
#include <linux/mtd/sharpsl.h>
#include <linux/mtd/physmap.h>
#include <linux/input/matrix_keypad.h>
#include <linux/regulator/machine.h>
#include <linux/io.h>
#include <linux/module.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 <linux/platform_data/irda-pxaficp.h>
#include <linux/platform_data/mmc-pxamci.h>
#include <linux/platform_data/usb-ohci-pxa27x.h>
#include <linux/platform_data/video-pxafb.h>
#include <mach/spitz.h>
#include <mach/sharpsl_pm.h>
#include <mach/smemc.h>

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

/******************************************************************************
 * Pin configuration
 ******************************************************************************/
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 */
    GPIOxx_LCD_TFT_16BPP,

    /* 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 */
    GPIO16_GPIO,    /* SPITZ_GPIO_SYNC */
    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,

    GPIO0_GPIO | WAKEUP_ON_EDGE_RISE,   /* SPITZ_GPIO_KEY_INT */
    GPIO1_GPIO | WAKEUP_ON_EDGE_FALL,   /* SPITZ_GPIO_RESET */
};


/******************************************************************************
 * Scoop GPIO expander
 ******************************************************************************/
#if defined(CONFIG_SHARP_SCOOP) || defined(CONFIG_SHARP_SCOOP_MODULE)
/* SCOOP Device #1 */
static struct resource spitz_scoop_1_resources[] = {
    [0] = {
        .start      = 0x10800000,
        .end        = 0x10800fff,
        .flags      = IORESOURCE_MEM,
    },
};

static struct scoop_config spitz_scoop_1_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 spitz_scoop_1_device = {
    .name       = "sharp-scoop",
    .id     = 0,
    .dev        = {
        .platform_data  = &spitz_scoop_1_setup,
    },
    .num_resources  = ARRAY_SIZE(spitz_scoop_1_resources),
    .resource   = spitz_scoop_1_resources,
};

/* SCOOP Device #2 */
static struct resource spitz_scoop_2_resources[] = {
    [0] = {
        .start      = 0x08800040,
        .end        = 0x08800fff,
        .flags      = IORESOURCE_MEM,
    },
};

static struct scoop_config spitz_scoop_2_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 spitz_scoop_2_device = {
    .name       = "sharp-scoop",
    .id     = 1,
    .dev        = {
        .platform_data  = &spitz_scoop_2_setup,
    },
    .num_resources  = ARRAY_SIZE(spitz_scoop_2_resources),
    .resource   = spitz_scoop_2_resources,
};

static void __init spitz_scoop_init(void)
{
    platform_device_register(&spitz_scoop_1_device);

    /* Akita doesn't have the second SCOOP chip */
    if (!machine_is_akita())
        platform_device_register(&spitz_scoop_2_device);
}

/* Power control is shared with between one of the CF slots and SD */
static void spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr)
{
    unsigned short cpr;
    unsigned long flags;

    if (new_cpr & 0x7) {
        gpio_set_value(SPITZ_GPIO_CF_POWER, 1);
        mdelay(5);
    }

    local_irq_save(flags);

    cpr = read_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR);

    if (enable & new_cpr)
        cpr |= new_cpr;
    else
        cpr &= ~enable;

    write_scoop_reg(&spitz_scoop_1_device.dev, SCOOP_CPR, cpr);

    local_irq_restore(flags);

    if (!(cpr & 0x7)) {
        mdelay(1);
        gpio_set_value(SPITZ_GPIO_CF_POWER, 0);
    }
}

#else
static inline void spitz_scoop_init(void) {}
static inline void spitz_card_pwr_ctrl(uint8_t enable, uint8_t new_cpr) {}
#endif

/******************************************************************************
 * PCMCIA
 ******************************************************************************/
#if defined(CONFIG_PCMCIA_PXA2XX) || defined(CONFIG_PCMCIA_PXA2XX_MODULE)
static void spitz_pcmcia_pwr(struct device *scoop, uint16_t cpr, int nr)
{
    /* Only need to override behaviour for slot 0 */
    if (nr == 0)
        spitz_card_pwr_ctrl(
            cpr & (SCOOP_CPR_CF_3V | SCOOP_CPR_CF_XV), cpr);
    else
        write_scoop_reg(scoop, SCOOP_CPR, cpr);
}

static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
    {
        .dev        = &spitz_scoop_1_device.dev,
        .irq        = SPITZ_IRQ_GPIO_CF_IRQ,
        .cd_irq     = SPITZ_IRQ_GPIO_CF_CD,
        .cd_irq_str = "PCMCIA0 CD",
    }, {
        .dev        = &spitz_scoop_2_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,
};

static void __init spitz_pcmcia_init(void)
{
    /* Akita has only one PCMCIA slot used */
    if (machine_is_akita())
        spitz_pcmcia_config.num_devs = 1;

    platform_scoop_config = &spitz_pcmcia_config;
}
#else
static inline void spitz_pcmcia_init(void) {}
#endif

/******************************************************************************
 * GPIO keyboard
 ******************************************************************************/
#if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)

#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 spitz_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 spitz_keymap_data = {
    .keymap     = spitz_keymap,
    .keymap_size    = ARRAY_SIZE(spitz_keymap),
};

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

static struct matrix_keypad_platform_data spitz_mkp_pdata = {
    .keymap_data        = &spitz_keymap_data,
    .row_gpios      = spitz_row_gpios,
    .col_gpios      = spitz_col_gpios,
    .num_row_gpios      = ARRAY_SIZE(spitz_row_gpios),
    .num_col_gpios      = ARRAY_SIZE(spitz_col_gpios),
    .col_scan_delay_us  = 10,
    .debounce_ms        = 10,
    .wakeup         = 1,
};

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

static void __init spitz_mkp_init(void)
{
    platform_device_register(&spitz_mkp_device);
}
#else
static inline void spitz_mkp_init(void) {}
#endif

/******************************************************************************
 * GPIO keys
 ******************************************************************************/
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
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,
    },
};

static void __init spitz_keys_init(void)
{
    platform_device_register(&spitz_gpio_keys_device);
}
#else
static inline void spitz_keys_init(void) {}
#endif

/******************************************************************************
 * LEDs
 ******************************************************************************/
#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
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 spitz_led_device = {
    .name       = "leds-gpio",
    .id     = -1,
    .dev        = {
        .platform_data  = &spitz_gpio_leds_info,
    },
};

static void __init spitz_leds_init(void)
{
    platform_device_register(&spitz_led_device);
}
#else
static inline void spitz_leds_init(void) {}
#endif

/******************************************************************************
 * SSP Devices
 ******************************************************************************/
#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
static void spitz_ads7846_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_ads7846_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            = PXA_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 struct pxa2xx_spi_master spitz_spi_info = {
    .num_chipselect = 3,
};

static void __init spitz_spi_init(void)
{
    struct corgi_lcd_platform_data *lcd_data = &spitz_lcdcon_info;

    if (machine_is_akita()) {
        lcd_data->gpio_backlight_cont = AKITA_GPIO_BACKLIGHT_CONT;
        lcd_data->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_spi_init(void) {}
#endif

/******************************************************************************
 * SD/MMC card controller
 ******************************************************************************/
#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
/*
 * NOTE: 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(SCOOP_CPR_SD_3V, SCOOP_CPR_SD_3V);
    else
        spitz_card_pwr_ctrl(SCOOP_CPR_SD_3V, 0x0);
}

static struct pxamci_platform_data spitz_mci_platform_data = {
    .detect_delay_ms    = 250,
    .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,
};

static void __init spitz_mmc_init(void)
{
    pxa_set_mci_info(&spitz_mci_platform_data);
}
#else
static inline void spitz_mmc_init(void) {}
#endif

/******************************************************************************
 * USB Host
 ******************************************************************************/
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
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,
};

static void __init spitz_uhc_init(void)
{
    pxa_set_ohci_info(&spitz_ohci_platform_data);
}
#else
static inline void spitz_uhc_init(void) {}
#endif

/******************************************************************************
 * IrDA
 ******************************************************************************/
#if defined(CONFIG_PXA_FICP) || defined(CONFIG_PXA_FICP_MODULE)
static struct pxaficp_platform_data spitz_ficp_platform_data = {
    .transceiver_cap    = IR_SIRMODE | IR_OFF,
};

static void __init spitz_irda_init(void)
{
    if (machine_is_akita())
        spitz_ficp_platform_data.gpio_pwdown = AKITA_GPIO_IR_ON;
    else
        spitz_ficp_platform_data.gpio_pwdown = SPITZ_GPIO_IR_ON;

    pxa_set_ficp_info(&spitz_ficp_platform_data);
}
#else
static inline void spitz_irda_init(void) {}
#endif

/******************************************************************************
 * Framebuffer
 ******************************************************************************/
#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
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,
    .num_modes      = ARRAY_SIZE(spitz_pxafb_modes),
    .fixed_modes    = 1,
    .lcd_conn   = LCD_COLOR_TFT_16BPP | LCD_ALTERNATE_MAPPING,
};

static void __init spitz_lcd_init(void)
{
    pxa_set_fb_info(NULL, &spitz_pxafb_info);
}
#else
static inline void spitz_lcd_init(void) {}
#endif

/******************************************************************************
 * Framebuffer
 ******************************************************************************/
#if defined(CONFIG_MTD_NAND_SHARPSL) || defined(CONFIG_MTD_NAND_SHARPSL_MODULE)
static struct mtd_partition spitz_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 spitz_nand_bbt = {
    .options    = 0,
    .offs       = 4,
    .len        = 2,
    .pattern    = scan_ff_pattern
};

static struct nand_ecclayout akita_oobinfo = {
    .oobfree    = { {0x08, 0x09} },
    .eccbytes   = 24,
    .eccpos     = {
            0x05, 0x01, 0x02, 0x03, 0x06, 0x07, 0x15, 0x11,
            0x12, 0x13, 0x16, 0x17, 0x25, 0x21, 0x22, 0x23,
            0x26, 0x27, 0x35, 0x31, 0x32, 0x33, 0x36, 0x37,
    },
};

static struct sharpsl_nand_platform_data spitz_nand_pdata = {
    .badblock_pattern   = &spitz_nand_bbt,
    .partitions     = spitz_nand_partitions,
    .nr_partitions      = ARRAY_SIZE(spitz_nand_partitions),
};

static struct resource spitz_nand_resources[] = {
    {
        .start  = PXA_CS3_PHYS,
        .end    = PXA_CS3_PHYS + SZ_4K - 1,
        .flags  = IORESOURCE_MEM,
    },
};

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

static void __init spitz_nand_init(void)
{
    if (machine_is_spitz()) {
        spitz_nand_partitions[1].size = 5 * 1024 * 1024;
    } else if (machine_is_akita()) {
        spitz_nand_partitions[1].size = 58 * 1024 * 1024;
        spitz_nand_bbt.len = 1;
        spitz_nand_pdata.ecc_layout = &akita_oobinfo;
    } else if (machine_is_borzoi()) {
        spitz_nand_partitions[1].size = 32 * 1024 * 1024;
        spitz_nand_bbt.len = 1;
        spitz_nand_pdata.ecc_layout = &akita_oobinfo;
    }

    platform_device_register(&spitz_nand_device);
}
#else
static inline void spitz_nand_init(void) {}
#endif

/******************************************************************************
 * NOR Flash
 ******************************************************************************/
#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
static struct mtd_partition spitz_rom_parts[] = {
    {
        .name   ="Boot PROM Filesystem",
        .offset = 0x00140000,
        .size   = MTDPART_SIZ_FULL,
    },
};

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

static struct resource spitz_rom_resources[] = {
    {
        .start  = PXA_CS0_PHYS,
        .end    = PXA_CS0_PHYS + SZ_8M - 1,
        .flags  = IORESOURCE_MEM,
    },
};

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

static void __init spitz_nor_init(void)
{
    platform_device_register(&spitz_rom_device);
}
#else
static inline void spitz_nor_init(void) {}
#endif

/******************************************************************************
 * GPIO expander
 ******************************************************************************/
#if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
static struct pca953x_platform_data akita_pca953x_pdata = {
    .gpio_base      = AKITA_IOEXP_GPIO_BASE,
};

static struct i2c_board_info spitz_i2c_devs[] = {
    {
        .type       = "wm8750",
        .addr       = 0x1b,
    }, {
        .type       = "max7310",
        .addr       = 0x18,
        .platform_data  = &akita_pca953x_pdata,
    },
};

static struct regulator_consumer_supply isl6271a_consumers[] = {
    REGULATOR_SUPPLY("vcc_core", NULL),
};

static struct regulator_init_data isl6271a_info[] = {
    {
        .constraints = {
            .name       = "vcc_core range",
            .min_uV     = 850000,
            .max_uV     = 1600000,
            .always_on  = 1,
            .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
        },
    .consumer_supplies  = isl6271a_consumers,
    .num_consumer_supplies  = ARRAY_SIZE(isl6271a_consumers),
    }
};

static struct i2c_board_info spitz_pi2c_devs[] = {
    {
        .type       = "isl6271a",
        .addr       = 0x0c,
        .platform_data  = &isl6271a_info,
    },
};

static void __init spitz_i2c_init(void)
{
    int size = ARRAY_SIZE(spitz_i2c_devs);

    /* Only Akita has the max7310 chip */
    if (!machine_is_akita())
        size--;

    pxa_set_i2c_info(NULL);
    pxa27x_set_i2c_power_info(NULL);
    i2c_register_board_info(0, spitz_i2c_devs, size);
    i2c_register_board_info(1, ARRAY_AND_SIZE(spitz_pi2c_devs));
}
#else
static inline void spitz_i2c_init(void) {}
#endif

/******************************************************************************
 * Machine init
 ******************************************************************************/
static void spitz_poweroff(void)
{
    pxa_restart('g', NULL);
}

static void spitz_restart(char mode, const char *cmd)
{
    uint32_t msc0 = __raw_readl(MSC0);
    /* Bootloader magic for a reboot */
    if ((msc0 & 0xffff0000) == 0x7ff00000)
        __raw_writel((msc0 & 0xffff) | 0x7ee00000, MSC0);

    spitz_poweroff();
}

static void __init spitz_init(void)
{
    init_gpio_reset(SPITZ_GPIO_ON_RESET, 1, 0);
    pm_power_off = spitz_poweroff;

    PMCR = 0x00;

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

    pxa2xx_mfp_config(ARRAY_AND_SIZE(spitz_pin_config));

    pxa_set_ffuart_info(NULL);
    pxa_set_btuart_info(NULL);
    pxa_set_stuart_info(NULL);

    spitz_spi_init();
    spitz_scoop_init();
    spitz_mkp_init();
    spitz_keys_init();
    spitz_leds_init();
    spitz_mmc_init();
    spitz_pcmcia_init();
    spitz_irda_init();
    spitz_uhc_init();
    spitz_lcd_init();
    spitz_nor_init();
    spitz_nand_init();
    spitz_i2c_init();
}

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

#ifdef CONFIG_MACH_SPITZ
MACHINE_START(SPITZ, "SHARP Spitz")
    .restart_mode   = 'g',
    .fixup      = spitz_fixup,
    .map_io     = pxa27x_map_io,
    .nr_irqs    = PXA_NR_IRQS,
    .init_irq   = pxa27x_init_irq,
    .handle_irq = pxa27x_handle_irq,
    .init_machine   = spitz_init,
    .timer      = &pxa_timer,
    .restart    = spitz_restart,
MACHINE_END
#endif

#ifdef CONFIG_MACH_BORZOI
MACHINE_START(BORZOI, "SHARP Borzoi")
    .restart_mode   = 'g',
    .fixup      = spitz_fixup,
    .map_io     = pxa27x_map_io,
    .nr_irqs    = PXA_NR_IRQS,
    .init_irq   = pxa27x_init_irq,
    .handle_irq = pxa27x_handle_irq,
    .init_machine   = spitz_init,
    .timer      = &pxa_timer,
    .restart    = spitz_restart,
MACHINE_END
#endif

#ifdef CONFIG_MACH_AKITA
MACHINE_START(AKITA, "SHARP Akita")
    .restart_mode   = 'g',
    .fixup      = spitz_fixup,
    .map_io     = pxa27x_map_io,
    .nr_irqs    = PXA_NR_IRQS,
    .init_irq   = pxa27x_init_irq,
    .handle_irq = pxa27x_handle_irq,
    .init_machine   = spitz_init,
    .timer      = &pxa_timer,
    .restart    = spitz_restart,
MACHINE_END
#endif