corgi.c

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/*
 * Support for Sharp SL-C7xx PDAs
 * Models: SL-C700 (Corgi), SL-C750 (Shepherd), SL-C760 (Husky)
 *
 * Copyright (c) 2004-2005 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/init.h>
#include <linux/platform_device.h>
#include <linux/major.h>
#include <linux/fs.h>
#include <linux/interrupt.h>
#include <linux/mmc/host.h>
#include <linux/mtd/physmap.h>
#include <linux/pm.h>
#include <linux/gpio.h>
#include <linux/backlight.h>
#include <linux/i2c.h>
#include <linux/i2c/pxa-i2c.h>
#include <linux/io.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/input/matrix_keypad.h>
#include <linux/module.h>
#include <video/w100fb.h>

#include <asm/setup.h>
#include <asm/memory.h>
#include <asm/mach-types.h>
#include <mach/hardware.h>
#include <asm/irq.h>

#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>

#include <mach/pxa25x.h>
#include <linux/platform_data/irda-pxaficp.h>
#include <linux/platform_data/mmc-pxamci.h>
#include <mach/udc.h>
#include <mach/corgi.h>
#include <mach/sharpsl_pm.h>

#include <asm/mach/sharpsl_param.h>
#include <asm/hardware/scoop.h>

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

static unsigned long corgi_pin_config[] __initdata = {
    /* Static Memory I/O */
    GPIO78_nCS_2,   /* w100fb */
    GPIO80_nCS_4,   /* scoop */

    /* SSP1 */
    GPIO23_SSP1_SCLK,
    GPIO25_SSP1_TXD,
    GPIO26_SSP1_RXD,
    GPIO24_GPIO,    /* CORGI_GPIO_ADS7846_CS - SFRM as chip select */

    /* I2S */
    GPIO28_I2S_BITCLK_OUT,
    GPIO29_I2S_SDATA_IN,
    GPIO30_I2S_SDATA_OUT,
    GPIO31_I2S_SYNC,
    GPIO32_I2S_SYSCLK,

    /* Infra-Red */
    GPIO47_FICP_TXD,
    GPIO46_FICP_RXD,

    /* FFUART */
    GPIO40_FFUART_DTR,
    GPIO41_FFUART_RTS,
    GPIO39_FFUART_TXD,
    GPIO37_FFUART_DSR,
    GPIO34_FFUART_RXD,
    GPIO35_FFUART_CTS,

    /* PC Card */
    GPIO48_nPOE,
    GPIO49_nPWE,
    GPIO50_nPIOR,
    GPIO51_nPIOW,
    GPIO52_nPCE_1,
    GPIO53_nPCE_2,
    GPIO54_nPSKTSEL,
    GPIO55_nPREG,
    GPIO56_nPWAIT,
    GPIO57_nIOIS16,

    /* MMC */
    GPIO6_MMC_CLK,
    GPIO8_MMC_CS0,

    /* GPIO Matrix Keypad */
    GPIO66_GPIO | MFP_LPM_DRIVE_HIGH,   /* column 0 */
    GPIO67_GPIO | MFP_LPM_DRIVE_HIGH,   /* column 1 */
    GPIO68_GPIO | MFP_LPM_DRIVE_HIGH,   /* column 2 */
    GPIO69_GPIO | MFP_LPM_DRIVE_HIGH,   /* column 3 */
    GPIO70_GPIO | MFP_LPM_DRIVE_HIGH,   /* column 4 */
    GPIO71_GPIO | MFP_LPM_DRIVE_HIGH,   /* column 5 */
    GPIO72_GPIO | MFP_LPM_DRIVE_HIGH,   /* column 6 */
    GPIO73_GPIO | MFP_LPM_DRIVE_HIGH,   /* column 7 */
    GPIO74_GPIO | MFP_LPM_DRIVE_HIGH,   /* column 8 */
    GPIO75_GPIO | MFP_LPM_DRIVE_HIGH,   /* column 9 */
    GPIO76_GPIO | MFP_LPM_DRIVE_HIGH,   /* column 10 */
    GPIO77_GPIO | MFP_LPM_DRIVE_HIGH,   /* column 11 */
    GPIO58_GPIO,    /* row 0 */
    GPIO59_GPIO,    /* row 1 */
    GPIO60_GPIO,    /* row 2 */
    GPIO61_GPIO,    /* row 3 */
    GPIO62_GPIO,    /* row 4 */
    GPIO63_GPIO,    /* row 5 */
    GPIO64_GPIO,    /* row 6 */
    GPIO65_GPIO,    /* row 7 */

    /* GPIO */
    GPIO9_GPIO,             /* CORGI_GPIO_nSD_DETECT */
    GPIO7_GPIO,             /* CORGI_GPIO_nSD_WP */
    GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH,  /* CORGI_GPIO_MAIN_BAT_{LOW,COVER} */
    GPIO13_GPIO | MFP_LPM_KEEP_OUTPUT,  /* CORGI_GPIO_LED_ORANGE */
    GPIO21_GPIO,                /* CORGI_GPIO_ADC_TEMP */
    GPIO22_GPIO,                /* CORGI_GPIO_IR_ON */
    GPIO33_GPIO,                /* CORGI_GPIO_SD_PWR */
    GPIO38_GPIO | MFP_LPM_KEEP_OUTPUT,  /* CORGI_GPIO_CHRG_ON */
    GPIO43_GPIO | MFP_LPM_KEEP_OUTPUT,  /* CORGI_GPIO_CHRG_UKN */
    GPIO44_GPIO,                /* CORGI_GPIO_HSYNC */

    GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH,   /* CORGI_GPIO_KEY_INT */
    GPIO1_GPIO | WAKEUP_ON_EDGE_RISE,   /* CORGI_GPIO_AC_IN */
    GPIO3_GPIO | WAKEUP_ON_EDGE_BOTH,   /* CORGI_GPIO_WAKEUP */
};

/*
 * Corgi SCOOP Device
 */
static struct resource corgi_scoop_resources[] = {
    [0] = {
        .start      = 0x10800000,
        .end        = 0x10800fff,
        .flags      = IORESOURCE_MEM,
    },
};

static struct scoop_config corgi_scoop_setup = {
    .io_dir     = CORGI_SCOOP_IO_DIR,
    .io_out     = CORGI_SCOOP_IO_OUT,
    .gpio_base  = CORGI_SCOOP_GPIO_BASE,
};

struct platform_device corgiscoop_device = {
    .name       = "sharp-scoop",
    .id     = -1,
    .dev        = {
        .platform_data  = &corgi_scoop_setup,
    },
    .num_resources  = ARRAY_SIZE(corgi_scoop_resources),
    .resource   = corgi_scoop_resources,
};

static struct scoop_pcmcia_dev corgi_pcmcia_scoop[] = {
{
    .dev        = &corgiscoop_device.dev,
    .irq        = CORGI_IRQ_GPIO_CF_IRQ,
    .cd_irq     = CORGI_IRQ_GPIO_CF_CD,
    .cd_irq_str = "PCMCIA0 CD",
},
};

static struct scoop_pcmcia_config corgi_pcmcia_config = {
    .devs         = &corgi_pcmcia_scoop[0],
    .num_devs     = 1,
};

static struct w100_mem_info corgi_fb_mem = {
    .ext_cntl          = 0x00040003,
    .sdram_mode_reg    = 0x00650021,
    .ext_timing_cntl   = 0x10002a4a,
    .io_cntl           = 0x7ff87012,
    .size              = 0x1fffff,
};

static struct w100_gen_regs corgi_fb_regs = {
    .lcd_format    = 0x00000003,
    .lcdd_cntl1    = 0x01CC0000,
    .lcdd_cntl2    = 0x0003FFFF,
    .genlcd_cntl1  = 0x00FFFF0D,
    .genlcd_cntl2  = 0x003F3003,
    .genlcd_cntl3  = 0x000102aa,
};

static struct w100_gpio_regs corgi_fb_gpio = {
    .init_data1   = 0x000000bf,
    .init_data2   = 0x00000000,
    .gpio_dir1    = 0x00000000,
    .gpio_oe1     = 0x03c0feff,
    .gpio_dir2    = 0x00000000,
    .gpio_oe2     = 0x00000000,
};

static struct w100_mode corgi_fb_modes[] = {
{
    .xres            = 480,
    .yres            = 640,
    .left_margin     = 0x56,
    .right_margin    = 0x55,
    .upper_margin    = 0x03,
    .lower_margin    = 0x00,
    .crtc_ss         = 0x82360056,
    .crtc_ls         = 0xA0280000,
    .crtc_gs         = 0x80280028,
    .crtc_vpos_gs    = 0x02830002,
    .crtc_rev        = 0x00400008,
    .crtc_dclk       = 0xA0000000,
    .crtc_gclk       = 0x8015010F,
    .crtc_goe        = 0x80100110,
    .crtc_ps1_active = 0x41060010,
    .pll_freq        = 75,
    .fast_pll_freq   = 100,
    .sysclk_src      = CLK_SRC_PLL,
    .sysclk_divider  = 0,
    .pixclk_src      = CLK_SRC_PLL,
    .pixclk_divider  = 2,
    .pixclk_divider_rotated = 6,
},{
    .xres            = 240,
    .yres            = 320,
    .left_margin     = 0x27,
    .right_margin    = 0x2e,
    .upper_margin    = 0x01,
    .lower_margin    = 0x00,
    .crtc_ss         = 0x81170027,
    .crtc_ls         = 0xA0140000,
    .crtc_gs         = 0xC0140014,
    .crtc_vpos_gs    = 0x00010141,
    .crtc_rev        = 0x00400008,
    .crtc_dclk       = 0xA0000000,
    .crtc_gclk       = 0x8015010F,
    .crtc_goe        = 0x80100110,
    .crtc_ps1_active = 0x41060010,
    .pll_freq        = 0,
    .fast_pll_freq   = 0,
    .sysclk_src      = CLK_SRC_XTAL,
    .sysclk_divider  = 0,
    .pixclk_src      = CLK_SRC_XTAL,
    .pixclk_divider  = 1,
    .pixclk_divider_rotated = 1,
},

};

static struct w100fb_mach_info corgi_fb_info = {
    .init_mode  = INIT_MODE_ROTATED,
    .mem        = &corgi_fb_mem,
    .regs       = &corgi_fb_regs,
    .modelist   = &corgi_fb_modes[0],
    .num_modes  = 2,
    .gpio       = &corgi_fb_gpio,
    .xtal_freq  = 12500000,
    .xtal_dbl   = 0,
};

static struct resource corgi_fb_resources[] = {
    [0] = {
        .start   = 0x08000000,
        .end     = 0x08ffffff,
        .flags   = IORESOURCE_MEM,
    },
};

static struct platform_device corgifb_device = {
    .name           = "w100fb",
    .id             = -1,
    .num_resources  = ARRAY_SIZE(corgi_fb_resources),
    .resource   = corgi_fb_resources,
    .dev            = {
        .platform_data = &corgi_fb_info,
    },

};

/*
 * Corgi Keyboard Device
 */
#define CORGI_KEY_CALENDER  KEY_F1
#define CORGI_KEY_ADDRESS   KEY_F2
#define CORGI_KEY_FN        KEY_F3
#define CORGI_KEY_CANCEL    KEY_F4
#define CORGI_KEY_OFF       KEY_SUSPEND
#define CORGI_KEY_EXOK      KEY_F5
#define CORGI_KEY_EXCANCEL  KEY_F6
#define CORGI_KEY_EXJOGDOWN KEY_F7
#define CORGI_KEY_EXJOGUP   KEY_F8
#define CORGI_KEY_JAP1      KEY_LEFTCTRL
#define CORGI_KEY_JAP2      KEY_LEFTALT
#define CORGI_KEY_MAIL      KEY_F10
#define CORGI_KEY_OK        KEY_F11
#define CORGI_KEY_MENU      KEY_F12

static const uint32_t corgikbd_keymap[] = {
    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(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(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, CORGI_KEY_CALENDER),
    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, CORGI_KEY_ADDRESS),
    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, 10, KEY_LEFTSHIFT),
    KEY(5, 0, CORGI_KEY_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, 11, CORGI_KEY_FN),
    KEY(6, 0, KEY_SYSRQ),
    KEY(6, 1, CORGI_KEY_JAP1),
    KEY(6, 2, CORGI_KEY_JAP2),
    KEY(6, 3, CORGI_KEY_CANCEL),
    KEY(6, 4, CORGI_KEY_OK),
    KEY(6, 5, CORGI_KEY_MENU),
    KEY(6, 6, KEY_LEFT),
    KEY(6, 7, KEY_DOWN),
    KEY(6, 8, KEY_RIGHT),
    KEY(7, 0, CORGI_KEY_OFF),
    KEY(7, 1, CORGI_KEY_EXOK),
    KEY(7, 2, CORGI_KEY_EXCANCEL),
    KEY(7, 3, CORGI_KEY_EXJOGDOWN),
    KEY(7, 4, CORGI_KEY_EXJOGUP),
};

static struct matrix_keymap_data corgikbd_keymap_data = {
    .keymap     = corgikbd_keymap,
    .keymap_size    = ARRAY_SIZE(corgikbd_keymap),
};

static const int corgikbd_row_gpios[] =
        { 58, 59, 60, 61, 62, 63, 64, 65 };
static const int corgikbd_col_gpios[] =
        { 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77 };

static struct matrix_keypad_platform_data corgikbd_pdata = {
    .keymap_data        = &corgikbd_keymap_data,
    .row_gpios      = corgikbd_row_gpios,
    .col_gpios      = corgikbd_col_gpios,
    .num_row_gpios      = ARRAY_SIZE(corgikbd_row_gpios),
    .num_col_gpios      = ARRAY_SIZE(corgikbd_col_gpios),
    .col_scan_delay_us  = 10,
    .debounce_ms        = 10,
    .wakeup         = 1,
};

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

/*
 * Corgi LEDs
 */
static struct gpio_led corgi_gpio_leds[] = {
    {
        .name           = "corgi:amber:charge",
        .default_trigger    = "sharpsl-charge",
        .gpio           = CORGI_GPIO_LED_ORANGE,
    },
    {
        .name           = "corgi:green:mail",
        .default_trigger    = "nand-disk",
        .gpio           = CORGI_GPIO_LED_GREEN,
    },
};

static struct gpio_led_platform_data corgi_gpio_leds_info = {
    .leds       = corgi_gpio_leds,
    .num_leds   = ARRAY_SIZE(corgi_gpio_leds),
};

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

/*
 * Corgi Audio
 */
static struct platform_device corgi_audio_device = {
    .name   = "corgi-audio",
    .id = -1,
};

/*
 * 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 struct pxamci_platform_data corgi_mci_platform_data = {
    .detect_delay_ms    = 250,
    .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
    .gpio_card_detect   = CORGI_GPIO_nSD_DETECT,
    .gpio_card_ro       = CORGI_GPIO_nSD_WP,
    .gpio_power     = CORGI_GPIO_SD_PWR,
};


/*
 * Irda
 */
static struct pxaficp_platform_data corgi_ficp_platform_data = {
    .gpio_pwdown        = CORGI_GPIO_IR_ON,
    .transceiver_cap    = IR_SIRMODE | IR_OFF,
};


/*
 * USB Device Controller
 */
static struct pxa2xx_udc_mach_info udc_info __initdata = {
    /* no connect GPIO; corgi can't tell connection status */
    .gpio_pullup        = CORGI_GPIO_USB_PULLUP,
};

#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MASTER)
static struct pxa2xx_spi_master corgi_spi_info = {
    .num_chipselect = 3,
};

static void corgi_wait_for_hsync(void)
{
    while (gpio_get_value(CORGI_GPIO_HSYNC))
        cpu_relax();

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

static struct ads7846_platform_data corgi_ads7846_info = {
    .model          = 7846,
    .vref_delay_usecs   = 100,
    .x_plate_ohms       = 419,
    .y_plate_ohms       = 486,
    .gpio_pendown       = CORGI_GPIO_TP_INT,
    .wait_for_sync      = corgi_wait_for_hsync,
};

static struct pxa2xx_spi_chip corgi_ads7846_chip = {
    .gpio_cs    = CORGI_GPIO_ADS7846_CS,
};

static void corgi_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 corgi_lcdcon_info = {
    .init_mode      = CORGI_LCD_MODE_VGA,
    .max_intensity      = 0x2f,
    .default_intensity  = 0x1f,
    .limit_mask     = 0x0b,
    .gpio_backlight_cont    = CORGI_GPIO_BACKLIGHT_CONT,
    .gpio_backlight_on  = -1,
    .kick_battery       = corgi_bl_kick_battery,
};

static struct pxa2xx_spi_chip corgi_lcdcon_chip = {
    .gpio_cs    = CORGI_GPIO_LCDCON_CS,
};

static struct pxa2xx_spi_chip corgi_max1111_chip = {
    .gpio_cs    = CORGI_GPIO_MAX1111_CS,
};

static struct spi_board_info corgi_spi_devices[] = {
    {
        .modalias   = "ads7846",
        .max_speed_hz   = 1200000,
        .bus_num    = 1,
        .chip_select    = 0,
        .platform_data  = &corgi_ads7846_info,
        .controller_data= &corgi_ads7846_chip,
        .irq        = PXA_GPIO_TO_IRQ(CORGI_GPIO_TP_INT),
    }, {
        .modalias   = "corgi-lcd",
        .max_speed_hz   = 50000,
        .bus_num    = 1,
        .chip_select    = 1,
        .platform_data  = &corgi_lcdcon_info,
        .controller_data= &corgi_lcdcon_chip,
    }, {
        .modalias   = "max1111",
        .max_speed_hz   = 450000,
        .bus_num    = 1,
        .chip_select    = 2,
        .controller_data= &corgi_max1111_chip,
    },
};

static void __init corgi_init_spi(void)
{
    pxa2xx_set_spi_info(1, &corgi_spi_info);
    spi_register_board_info(ARRAY_AND_SIZE(corgi_spi_devices));
}
#else
static inline void corgi_init_spi(void) {}
#endif

static struct mtd_partition sharpsl_nand_partitions[] = {
    {
        .name = "System Area",
        .offset = 0,
        .size = 7 * 1024 * 1024,
    },
    {
        .name = "Root Filesystem",
        .offset = 7 * 1024 * 1024,
        .size = 25 * 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 = 0x00120000,
        .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 = {
    &corgiscoop_device,
    &corgifb_device,
    &corgikbd_device,
    &corgiled_device,
    &corgi_audio_device,
    &sharpsl_nand_device,
    &sharpsl_rom_device,
};

static struct i2c_board_info __initdata corgi_i2c_devices[] = {
    { I2C_BOARD_INFO("wm8731", 0x1b) },
};

static void corgi_poweroff(void)
{
    if (!machine_is_corgi())
        /* Green LED off tells the bootloader to halt */
        gpio_set_value(CORGI_GPIO_LED_GREEN, 0);

    pxa_restart('h', NULL);
}

static void corgi_restart(char mode, const char *cmd)
{
    if (!machine_is_corgi())
        /* Green LED on tells the bootloader to reboot */
        gpio_set_value(CORGI_GPIO_LED_GREEN, 1);

    pxa_restart('h', cmd);
}

static void __init corgi_init(void)
{
    pm_power_off = corgi_poweroff;

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

    pxa2xx_mfp_config(ARRAY_AND_SIZE(corgi_pin_config));

    /* allow wakeup from various GPIOs */
    gpio_set_wake(CORGI_GPIO_KEY_INT, 1);
    gpio_set_wake(CORGI_GPIO_WAKEUP, 1);
    gpio_set_wake(CORGI_GPIO_AC_IN, 1);
    gpio_set_wake(CORGI_GPIO_CHRG_FULL, 1);

    if (!machine_is_corgi())
        gpio_set_wake(CORGI_GPIO_MAIN_BAT_LOW, 1);

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

    corgi_init_spi();

    pxa_set_udc_info(&udc_info);
    pxa_set_mci_info(&corgi_mci_platform_data);
    pxa_set_ficp_info(&corgi_ficp_platform_data);
    pxa_set_i2c_info(NULL);
    i2c_register_board_info(0, ARRAY_AND_SIZE(corgi_i2c_devices));

    platform_scoop_config = &corgi_pcmcia_config;

    if (machine_is_husky())
        sharpsl_nand_partitions[1].size = 53 * 1024 * 1024;

    platform_add_devices(devices, ARRAY_SIZE(devices));
}

static void __init fixup_corgi(struct tag *tags, char **cmdline,
                   struct meminfo *mi)
{
    sharpsl_save_param();
    mi->nr_banks=1;
    mi->bank[0].start = 0xa0000000;
    if (machine_is_corgi())
        mi->bank[0].size = (32*1024*1024);
    else
        mi->bank[0].size = (64*1024*1024);
}

#ifdef CONFIG_MACH_CORGI
MACHINE_START(CORGI, "SHARP Corgi")
    .fixup      = fixup_corgi,
    .map_io     = pxa25x_map_io,
    .nr_irqs    = PXA_NR_IRQS,
    .init_irq   = pxa25x_init_irq,
    .handle_irq = pxa25x_handle_irq,
    .init_machine   = corgi_init,
    .timer      = &pxa_timer,
    .restart    = corgi_restart,
MACHINE_END
#endif

#ifdef CONFIG_MACH_SHEPHERD
MACHINE_START(SHEPHERD, "SHARP Shepherd")
    .fixup      = fixup_corgi,
    .map_io     = pxa25x_map_io,
    .nr_irqs    = PXA_NR_IRQS,
    .init_irq   = pxa25x_init_irq,
    .handle_irq = pxa25x_handle_irq,
    .init_machine   = corgi_init,
    .timer      = &pxa_timer,
    .restart    = corgi_restart,
MACHINE_END
#endif

#ifdef CONFIG_MACH_HUSKY
MACHINE_START(HUSKY, "SHARP Husky")
    .fixup      = fixup_corgi,
    .map_io     = pxa25x_map_io,
    .nr_irqs    = PXA_NR_IRQS,
    .init_irq   = pxa25x_init_irq,
    .handle_irq = pxa25x_handle_irq,
    .init_machine   = corgi_init,
    .timer      = &pxa_timer,
    .restart    = corgi_restart,
MACHINE_END
#endif