mg_disk.h

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/*
 *  include/linux/mg_disk.c
 *
 *  Private data for mflash platform driver
 *
 * (c) 2008 mGine Co.,LTD
 * (c) 2008 unsik Kim <[email protected]>
 *
 *  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.
 */

#ifndef __MG_DISK_H__
#define __MG_DISK_H__

/* name for platform device */
#define MG_DEV_NAME "mg_disk"

/* names of GPIO resource */
#define MG_RST_PIN  "mg_rst"
/* except MG_BOOT_DEV, reset-out pin should be assigned */
#define MG_RSTOUT_PIN   "mg_rstout"

/* device attribution */
/* use mflash as boot device */
#define MG_BOOT_DEV     (1 << 0)
/* use mflash as storage device */
#define MG_STORAGE_DEV      (1 << 1)
/* same as MG_STORAGE_DEV, but bootloader already done reset sequence */
#define MG_STORAGE_DEV_SKIP_RST (1 << 2)

/* private driver data */
struct mg_drv_data {
    /* disk resource */
    u32 use_polling;

    /* device attribution */
    u32 dev_attr;

    /* internally used */
    void *host;
};

#endif