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/*
*
* (c) 2009 Magnus Lilja <lilja.magnus@gmail.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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
*/
#ifndef __FSL_NFC_H
#define __FSL_NFC_H
/*
* Register map and bit definitions for the Freescale NAND Flash
* Controller present in i.MX31 and other devices.
*/
struct fsl_nfc_regs {
u32 main_area0[128]; /* @0x000 */
u32 main_area1[128];
u32 main_area2[128];
u32 main_area3[128];
u32 spare_area0[4];
u32 spare_area1[4];
u32 spare_area2[4];
u32 spare_area3[4];
u32 reserved1[64 - 16 + 64 * 5];
u16 bufsiz; /* @ 0xe00 */
u16 reserved2;
u16 buffer_address;
u16 flash_add;
u16 flash_cmd;
u16 configuration;
u16 ecc_status_result;
u16 ecc_rslt_main_area;
u16 ecc_rslt_spare_area;
u16 nf_wr_prot;
u16 unlock_start_blk_add;
u16 unlock_end_blk_add;
u16 nand_flash_wr_pr_st;
u16 nand_flash_config1;
u16 nand_flash_config2;
};
/*
* 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 /* __FSL_NFC_H */
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