LXR uboot/include/fsl

   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
  32struct 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 */
 110