include/fsl_nfc.h

   1 /*
   2  *
   3  * (c) 2009 Magnus Lilja <lilja.magnus@gmail.com>
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 #ifndef __FSL_NFC_H
  25 #define __FSL_NFC_H
  26
  27 /*
  28  * Register map and bit definitions for the Freescale NAND Flash
  29  * Controller present in i.MX31 and other devices.
  30  */
  31
  32 struct fsl_nfc_regs {
  33         u32 main_area0[128]; /* @0x000 */
  34         u32 main_area1[128];
  35         u32 main_area2[128];
  36         u32 main_area3[128];
  37         u32 spare_area0[4];
  38         u32 spare_area1[4];
  39         u32 spare_area2[4];
  40         u32 spare_area3[4];
  41         u32 reserved1[64 - 16 + 64 * 5];
  42         u16 bufsiz; /* @ 0xe00 */
  43         u16 reserved2;
  44         u16 buffer_address;
  45         u16 flash_add;
  46         u16 flash_cmd;
  47         u16 configuration;
  48         u16 ecc_status_result;
  49         u16 ecc_rslt_main_area;
  50         u16 ecc_rslt_spare_area;
  51         u16 nf_wr_prot;
  52         u16 unlock_start_blk_add;
  53         u16 unlock_end_blk_add;
  54         u16 nand_flash_wr_pr_st;
  55         u16 nand_flash_config1;
  56         u16 nand_flash_config2;
  57 };
  58
  59 /*
  60  * Set INT to 0, FCMD to 1, rest to 0 in NFC_CONFIG2 Register for Command
  61  * operation
  62  */
  63 #define NFC_CMD         0x1
  64
  65 /*
  66  * Set INT to 0, FADD to 1, rest to 0 in NFC_CONFIG2 Register for Address
  67  * operation
  68  */
  69 #define NFC_ADDR        0x2
  70
  71 /*
  72  * Set INT to 0, FDI to 1, rest to 0 in NFC_CONFIG2 Register for Input
  73  * operation
  74  */
  75 #define NFC_INPUT       0x4
  76
  77 /*
  78  * Set INT to 0, FDO to 001, rest to 0 in NFC_CONFIG2 Register for Data
  79  * Output operation
  80  */
  81 #define NFC_OUTPUT      0x8
  82
  83 /*
  84  * Set INT to 0, FD0 to 010, rest to 0 in NFC_CONFIG2 Register for Read ID
  85  * operation
  86  */
  87 #define NFC_ID          0x10
  88
  89 /*
  90  * Set INT to 0, FDO to 100, rest to 0 in NFC_CONFIG2 Register for Read
  91  * Status operation
  92  */
  93 #define NFC_STATUS      0x20
  94
  95 /*
  96  * Set INT to 1, rest to 0 in NFC_CONFIG2 Register for Read Status
  97  * operation
  98  */
  99 #define NFC_INT         0x8000
 100
 101 #define NFC_SP_EN       (1 << 2)
 102 #define NFC_ECC_EN      (1 << 3)
 103 #define NFC_INT_MSK     (1 << 4)
 104 #define NFC_BIG         (1 << 5)
 105 #define NFC_RST         (1 << 6)
 106 #define NFC_CE          (1 << 7)
 107 #define NFC_ONE_CYCLE   (1 << 8)
 108
 109 #endif /* __FSL_NFC_H */