src/flash/nor/str7x.h

   1 /***************************************************************************
   2  *   Copyright (C) 2005 by Dominic Rath                                    *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   Copyright (C) 2008 by Spencer Oliver                                  *
   6  *   spen@spen-soft.co.uk                                                  *
   7  *                                                                         *
   8  *   This program is free software; you can redistribute it and/or modify  *
   9  *   it under the terms of the GNU General Public License as published by  *
  10  *   the Free Software Foundation; either version 2 of the License, or     *
  11  *   (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                         *
  20  *   Free Software Foundation, Inc.,                                       *
  21  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  22  ***************************************************************************/
  23 #ifndef STR7X_H
  24 #define STR7X_H
  25
  26 struct str7x_flash_bank
  27 {
  28         uint32_t *sector_bits;
  29         uint32_t disable_bit;
  30         uint32_t busy_bits;
  31         uint32_t register_base;
  32         struct working_area *write_algorithm;
  33 };
  34
  35 enum str7x_status_codes
  36 {
  37         STR7X_CMD_SUCCESS = 0,
  38         STR7X_INVALID_COMMAND = 1,
  39         STR7X_SRC_ADDR_ERROR = 2,
  40         STR7X_DST_ADDR_ERROR = 3,
  41         STR7X_SRC_ADDR_NOT_MAPPED = 4,
  42         STR7X_DST_ADDR_NOT_MAPPED = 5,
  43         STR7X_COUNT_ERROR = 6,
  44         STR7X_INVALID_SECTOR = 7,
  45         STR7X_SECTOR_NOT_BLANK = 8,
  46         STR7X_SECTOR_NOT_PREPARED = 9,
  47         STR7X_COMPARE_ERROR = 10,
  48         STR7X_BUSY = 11
  49 };
  50
  51 /*  Flash registers */
  52
  53 #define FLASH_CR0               0x00000000
  54 #define FLASH_CR1               0x00000004
  55 #define FLASH_DR0               0x00000008
  56 #define FLASH_DR1               0x0000000C
  57 #define FLASH_AR                0x00000010
  58 #define FLASH_ER                0x00000014
  59 #define FLASH_NVWPAR    0x0000DFB0
  60 #define FLASH_NVAPR0    0x0000DFB8
  61 #define FLASH_NVAPR1    0x0000DFBC
  62
  63 /* FLASH_CR0 register bits */
  64
  65 #define FLASH_WMS               0x80000000
  66 #define FLASH_SUSP              0x40000000
  67 #define FLASH_WPG               0x20000000
  68 #define FLASH_DWPG              0x10000000
  69 #define FLASH_SER               0x08000000
  70 #define FLASH_SPR               0x01000000
  71 #define FLASH_BER               0x04000000
  72 #define FLASH_MER               0x02000000
  73 #define FLASH_LOCK              0x00000010
  74 #define FLASH_BSYA1             0x00000004
  75 #define FLASH_BSYA0             0x00000002
  76
  77 /* FLASH_CR1 register bits */
  78
  79 #define FLASH_B1S               0x02000000
  80 #define FLASH_B0S               0x01000000
  81 #define FLASH_B1F1              0x00020000
  82 #define FLASH_B1F0              0x00010000
  83 #define FLASH_B0F7              0x00000080
  84 #define FLASH_B0F6              0x00000040
  85 #define FLASH_B0F5              0x00000020
  86 #define FLASH_B0F4              0x00000010
  87 #define FLASH_B0F3              0x00000008
  88 #define FLASH_B0F2              0x00000004
  89 #define FLASH_B0F1              0x00000002
  90 #define FLASH_B0F0              0x00000001
  91
  92 /* FLASH_ER register bits */
  93
  94 #define FLASH_WPF               0x00000100
  95 #define FLASH_RESER             0x00000080
  96 #define FLASH_SEQER             0x00000040
  97 #define FLASH_10ER              0x00000008
  98 #define FLASH_PGER              0x00000004
  99 #define FLASH_ERER              0x00000002
 100 #define FLASH_ERR               0x00000001
 101
 102 struct str7x_mem_layout {
 103         uint32_t sector_start;
 104         uint32_t sector_size;
 105         uint32_t sector_bit;
 106 };
 107
 108 #endif /* STR7X_H */