mxc_nd.h

飞思卡尔芯片imx27下的MTD模块的驱动源码

/*
 * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
 */

/*
 * The code contained herein is licensed under the GNU General Public
 * License. You may obtain a copy of the GNU General Public License
 * Version 2 or later at the following locations:
 *
 * http://www.opensource.org/licenses/gpl-license.html
 * http://www.gnu.org/copyleft/gpl.html
 */

/*!
 * @file mxc_nd.h
 *
 * @brief This file contains the NAND Flash Controller register information.
 *
 *
 * @ingroup NAND_MTD
 */

#ifndef __MXC_ND_H__
#define __MXC_ND_H__

#include <asm/hardware.h>

/*
 * Addresses for NFC registers
 */
#define NFC_BUF_SIZE            (*((volatile u16 *)IO_ADDRESS(NFC_BASE_ADDR + 0xE00)))
#define NFC_BUF_ADDR            (*((volatile u16 *)IO_ADDRESS(NFC_BASE_ADDR + 0xE04)))
#define NFC_FLASH_ADDR          (*((volatile u16 *)IO_ADDRESS(NFC_BASE_ADDR + 0xE06)))
#define NFC_FLASH_CMD           (*((volatile u16 *)IO_ADDRESS(NFC_BASE_ADDR + 0xE08)))
#define NFC_CONFIG              (*((volatile u16 *)IO_ADDRESS(NFC_BASE_ADDR + 0xE0A)))
#define NFC_ECC_STATUS_RESULT   (*((volatile u16 *)IO_ADDRESS(NFC_BASE_ADDR + 0xE0C)))
#define NFC_RSLTMAIN_AREA       (*((volatile u16 *)IO_ADDRESS(NFC_BASE_ADDR + 0xE0E)))
#define NFC_RSLTSPARE_AREA      (*((volatile u16 *)IO_ADDRESS(NFC_BASE_ADDR + 0xE10)))
#define NFC_WRPROT              (*((volatile u16 *)IO_ADDRESS(NFC_BASE_ADDR + 0xE12)))
#define NFC_UNLOCKSTART_BLKADDR (*((volatile u16 *)IO_ADDRESS(NFC_BASE_ADDR + 0xE14)))
#define NFC_UNLOCKEND_BLKADDR   (*((volatile u16 *)IO_ADDRESS(NFC_BASE_ADDR + 0xE16)))
#define NFC_NF_WRPRST           (*((volatile u16 *)IO_ADDRESS(NFC_BASE_ADDR + 0xE18)))
#define NFC_CONFIG1             (*((volatile u16 *)IO_ADDRESS(NFC_BASE_ADDR + 0xE1A)))
#define NFC_CONFIG2             (*((volatile u16 *)IO_ADDRESS(NFC_BASE_ADDR + 0xE1C)))

/*!
 * Addresses for NFC RAM BUFFER Main area 0
 */
#define MAIN_AREA0        (volatile u16 *)IO_ADDRESS(NFC_BASE_ADDR + 0x000)
#define MAIN_AREA1        (volatile u16 *)IO_ADDRESS(NFC_BASE_ADDR + 0x200)

/*!
 * Addresses for NFC SPARE BUFFER Spare area 0
 */
#define SPARE_AREA0       (volatile u16 *)IO_ADDRESS(NFC_BASE_ADDR + 0x800)

/*!
 * Set INT to 0, FCMD to 1, rest to 0 in NFC_CONFIG2 Register for Command
 * operation
 */
#define NFC_CMD            0x1

/*!
 * Set INT to 0, FADD to 1, rest to 0 in NFC_CONFIG2 Register for Address
 * operation
 */
#define NFC_ADDR           0x2

/*!
 * Set INT to 0, FDI to 1, rest to 0 in NFC_CONFIG2 Register for Input
 * operation
 */
#define NFC_INPUT          0x4

/*!
 * Set INT to 0, FDO to 001, rest to 0 in NFC_CONFIG2 Register for Data Output
 * operation
 */
#define NFC_OUTPUT         0x8

/*!
 * Set INT to 0, FD0 to 010, rest to 0 in NFC_CONFIG2 Register for Read ID
 * operation
 */
#define NFC_ID             0x10

/*!
 * Set INT to 0, FDO to 100, rest to 0 in NFC_CONFIG2 Register for Read Status
 * operation
 */
#define NFC_STATUS         0x20

/*!
 * Set INT to 1, rest to 0 in NFC_CONFIG2 Register for Read Status
 * operation
 */
#define NFC_INT            0x8000

#define NFC_SP_EN           (1 << 2)
#define NFC_ECC_EN          (1 << 3)
#define NFC_INT_MSK         (1 << 4)
#define NFC_BIG             (1 << 5)
#define NFC_RST             (1 << 6)
#define NFC_CE              (1 << 7)
#define NFC_ONE_CYCLE       (1 << 8)

#endif				/* MXCND_H */