/* *  misc/source/bootloader/nandboot/mxc_nb_uart.h * *  Copyright 2004-2006 Freescale Semiconductor, Inc. All Rights Reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA *//*! * @file ipl/mxc_nb_nfc.h *  * @brief This file contains the NAND Flash Controller register information.  * *  * @ingroup NANDboot */ #ifndef MXC_NB_NFC_H#define MXC_NB_NFC_H#ifdef MX21#include "mxc_setup_mx21.h"#endif/*! * Base address for NFC  */#ifdef MX21#define NFC_BASE  0xdf003000#else#define NFC_BASE 0xB8000000#endif/*! * RAM address where SPL code will be copied  */#ifdef MX21#define SPL_DEST_ADDR (U16 *)0xc1000000#else#define SPL_DEST_ADDR (U16 *)0x80005000#endif/*! * @name Addresses for NFC registers *//*! @{ *//*! * NFC buffer size register */#define NFC_BUF_SIZE            (*((volatile U16 *)(NFC_BASE+0xE00)))/*! * NFC RAM buffer address register */#define NFC_BUFFER_ADDR         (*((volatile U16 *)(NFC_BASE+0xE04)))/*! * NFC flash address register */#define NFC_FLASH_ADDR          (*((volatile U16 *)(NFC_BASE+0xE06)))/*! * NFC flash command register */#define NFC_FLASH_CMD           (*((volatile U16 *)(NFC_BASE+0xE08)))/*! * NFC configuration register  */#define NFC_CONFIG              (*((volatile U16 *)(NFC_BASE+0xE0A)))/*! * NFC status register */#define NFC_STATUS_RESULT       (*((volatile U16 *)(NFC_BASE+0xE0C)))/*! * NFC spare area result register  */#define MFC_RSLTSPARE_AREA      (*((volatile U16 *)(NFC_BASE+0xE10)))/*! * NFC write protect register  */#define NFC_WRPROT              (*((volatile U16 *)(NFC_BASE+0xE12)))/*! * NFC start block address register for unlocking buffer */#define NFC_UNLOCKSTART_BLKADDR (*((volatile U16 *)(NFC_BASE+0xE14)))/*! * NFC end block address register for unlocking buffer */#define NFC_UNLOCKEND_BLKADDR   (*((volatile U16 *)(NFC_BASE+0xE16)))/*! * NFC write protect status register  */#define NFC_NF_WRPRST           (*((volatile U16 *)(NFC_BASE+0xE18)))/*! * NFC configuration register 1  */#define NFC_CONFIG1             (*((volatile U16 *)(NFC_BASE+0xE1A)))/*! * NFC configuration register 2  */#define NFC_CONFIG2             (*((volatile U16 *)(NFC_BASE+0xE1C)))/*! @} *//*! * @name NFC RAM buffer main area addresses  *//*! @{ *//*! * NFC RAM buffer main area 0 address  */#define MAIN_AREA0              (volatile U16 *)(NFC_BASE+0x000)/*! * NFC RAM buffer main area 1 address  */#define MAIN_AREA1              (volatile U16 *)(NFC_BASE+0x200)/*! * NFC RAM buffer main area 2 address  */#define MAIN_AREA2              (volatile U16 *)(NFC_BASE+0x400)/*! * NFC RAM buffer main area 3 address  */#define MAIN_AREA3              (volatile U16 *)(NFC_BASE+0x600)/*! @} *//*! * @name NFC Spare buffer area addresses *//*! @{ *//*! * NFC Spare buffer area 0 address */#define SPARE_AREA0             (volatile U16 *)(NFC_BASE+0x800)/*! * NFC Spare buffer area 1 address */#define SPARE_AREA1             (volatile U16 *)(NFC_BASE+0x810)/*! * NFC Spare buffer area 2 address */#define SPARE_AREA2             (volatile U16 *)(NFC_BASE+0x820)/*! * NFC Spare buffer area 3 address */#define SPARE_AREA3             (volatile U16 *)(NFC_BASE+0x830)/*! @} *//*! * This defines the 16 bit NAND Flash */#define NAND_WIDTH_16      0/*! * This defines the NAND Flash page size in bytes */#define NAND_PAGE_SIZE      2048/*! * @name NFC CONFIG2 register values *//*! @{ *//*! * 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/*! @} *//* Other configuration register values */#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 delays in msec for NAND device operations */#define TWC_US_DELAY    25      /* tWC = 50 ns, total = 528*50 ns */#define TRC_US_DELAY    25#define TRST_US_DELAY   500#define TPROG_US_DELAY  200#define TBERS_US_DELAY_1 1500#define TBERS_US_DELAY_2 1500#define TR_US_DELAY     20/* * Standard NAND flash commands, from nand.h */#define NAND_CMD_READ0          0#define NAND_CMD_READ1          1#define NAND_CMD_PAGEPROG       0x10#define NAND_CMD_READOOB        0x50#define NAND_CMD_ERASE1         0x60#define NAND_CMD_STATUS         0x70#define NAND_CMD_STATUS_MULTI   0x71#define NAND_CMD_SEQIN          0x80#define NAND_CMD_READID         0x90#define NAND_CMD_ERASE2         0xd0#define NAND_CMD_RESET          0xff/* Extended commands for large page devices */#define NAND_CMD_READSTART      0x30#define NAND_CMD_CACHEDPROG     0x15/* Status bits */#define NAND_STATUS_FAIL        0x01#define NAND_STATUS_FAIL_N1     0x02#define NAND_STATUS_TRUE_READY  0x20#define NAND_STATUS_READY       0x40#define NAND_STATUS_WP          0x80#endif /* MXC_NB_NFC_H */