flash_nor_nsrw.h

Flash的驱动程序。包括市面上常见的Nor Flash和Nand Flash.基本上所有的Flash只需要简单修改就可以移植到其他应用。

#ifndef __FLASH_NSRW_H__
#define __FLASH_NSRW_H__

/*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*

          F L A S H      N S R W       H E A D E R

GENERAL DESCRIPTION
  This module declares interface for implementing the NSRW parts module.

INITIALIZATION AND SEQUENCING REQUIREMENTS

      Copyright (c) 2006 by QUALCOMM, Inc.  All Rights Reserved.
*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*/



/*===========================================================================

                        EDIT HISTORY FOR MODULE

  This section contains comments describing changes made to the module.
  Notice that changes are listed in reverse chronological order.

  $Header: //depot/asic/msmshared/drivers/flash/MSM_FLASH.01.04/flash_nor_nsrw.h#1 $

when       who     what, where, why
--------   ---     ----------------------------------------------------------
01/20/06   yg     Created new file.

===========================================================================*/


/*===========================================================================

                DEFINITIONS AND DECLARATIONS FOR MODULE

  This section contains definitions for constants, macros, types, variables
  and other items needed by this module.

===========================================================================*/

#include "flash_nor_device.h"

#define WRITE_PROGRESS_BIT    0
#define WRITE_REQUEST_BIT     1

#define ERASE_PROGRESS_BIT    6
#define ERASE_REQUEST_BIT     7

#define ERROR_RESUME_BIT     13
#define WRITE_ERROR_BIT      14
#define ERASE_ERROR_BIT      15

#define DEBUG_ENABLE

#ifdef DEBUG_ENABLE
    extern uint32 port_val;
    #define SET_DEBUG(bit)     port_val = port_val | (1 << bit); *((uint32*)0x20100000) = port_val;
    #define CLEAR_DEBUG(bit)   port_val = port_val & (~(1 << bit)); *((uint32*)0x20100000) = port_val;
#else
    #define SET_DEBUG(bit)     ;
    #define CLEAR_DEBUG(bit)   ;
#endif // DEBUG_ENABLE

typedef enum{

  OPERATION_IN_PROGRESS,
  OPERATION_COMPLETED,
  OPERATION_ERROR

} nsrw_flash_status_type;

#endif // __FLASH_NSRW_H__