src/flash/nor/cfi.h

   1 /***************************************************************************
   2  *   Copyright (C) 2005 by Dominic Rath                                    *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
  17  ***************************************************************************/
  18
  19 #ifndef OPENOCD_FLASH_NOR_CFI_H
  20 #define OPENOCD_FLASH_NOR_CFI_H
  21
  22 #define CFI_STATUS_POLL_MASK_DQ5_DQ6_DQ7 0xE0 /* DQ5..DQ7 */
  23 #define CFI_STATUS_POLL_MASK_DQ6_DQ7     0xC0 /* DQ6..DQ7 */
  24
  25 struct cfi_flash_bank {
  26         int x16_as_x8;
  27         int jedec_probe;
  28         int not_cfi;
  29         int probed;
  30
  31         enum target_endianness endianness;
  32         int data_swap;
  33
  34         uint16_t manufacturer;
  35         uint16_t device_id;
  36
  37         uint8_t qry[3];
  38
  39         /* identification string */
  40         uint16_t pri_id;
  41         uint16_t pri_addr;
  42         uint16_t alt_id;
  43         uint16_t alt_addr;
  44
  45         /* device-system interface */
  46         uint8_t vcc_min;
  47         uint8_t vcc_max;
  48         uint8_t vpp_min;
  49         uint8_t vpp_max;
  50         uint8_t word_write_timeout_typ;
  51         uint8_t buf_write_timeout_typ;
  52         uint8_t block_erase_timeout_typ;
  53         uint8_t chip_erase_timeout_typ;
  54         uint8_t word_write_timeout_max;
  55         uint8_t buf_write_timeout_max;
  56         uint8_t block_erase_timeout_max;
  57         uint8_t chip_erase_timeout_max;
  58
  59         uint8_t status_poll_mask;
  60
  61         /* flash geometry */
  62         uint32_t dev_size;
  63         uint16_t interface_desc;
  64         uint16_t max_buf_write_size;
  65         uint8_t num_erase_regions;
  66         uint32_t *erase_region_info;
  67
  68         void *pri_ext;
  69         void *alt_ext;
  70
  71         /* calculated timeouts */
  72         unsigned word_write_timeout;
  73         unsigned buf_write_timeout;
  74         unsigned block_erase_timeout;
  75         unsigned chip_erase_timeout;
  76 };
  77
  78 /* Intel primary extended query table
  79  * as defined for the Advanced+ Boot Block Flash Memory (C3)
  80  * and used by the linux kernel cfi driver (as of 2.6.14)
  81  */
  82 struct cfi_intel_pri_ext {
  83         uint8_t pri[3];
  84         uint8_t major_version;
  85         uint8_t minor_version;
  86         uint32_t feature_support;
  87         uint8_t suspend_cmd_support;
  88         uint16_t blk_status_reg_mask;
  89         uint8_t vcc_optimal;
  90         uint8_t vpp_optimal;
  91         uint8_t num_protection_fields;
  92         uint16_t prot_reg_addr;
  93         uint8_t fact_prot_reg_size;
  94         uint8_t user_prot_reg_size;
  95         uint8_t extra[0];
  96 };
  97
  98 /* Spansion primary extended query table as defined for and used by
  99  * the linux kernel cfi driver (as of 2.6.15)
 100  */
 101 struct cfi_spansion_pri_ext {
 102         uint8_t  pri[3];
 103         uint8_t  major_version;
 104         uint8_t  minor_version;
 105         uint8_t  SiliconRevision; /* bits 1-0: Address Sensitive Unlock */
 106         uint8_t  EraseSuspend;
 107         uint8_t  BlkProt;
 108         uint8_t  TmpBlkUnprotect;
 109         uint8_t  BlkProtUnprot;
 110         uint8_t  SimultaneousOps;
 111         uint8_t  BurstMode;
 112         uint8_t  PageMode;
 113         uint8_t  VppMin;
 114         uint8_t  VppMax;
 115         uint8_t  TopBottom;
 116         int _reversed_geometry;
 117         uint32_t _unlock1;
 118         uint32_t _unlock2;
 119 };
 120
 121 /* Atmel primary extended query table as defined for and used by
 122  * the linux kernel cfi driver (as of 2.6.20+)
 123  */
 124 struct cfi_atmel_pri_ext {
 125         uint8_t pri[3];
 126         uint8_t major_version;
 127         uint8_t minor_version;
 128         uint8_t features;
 129         uint8_t bottom_boot;
 130         uint8_t burst_mode;
 131         uint8_t page_mode;
 132 };
 133
 134 enum {
 135         CFI_UNLOCK_555_2AA,
 136         CFI_UNLOCK_5555_2AAA,
 137 };
 138
 139 struct cfi_unlock_addresses {
 140         uint32_t unlock1;
 141         uint32_t unlock2;
 142 };
 143
 144 struct cfi_fixup {
 145         uint16_t mfr;
 146         uint16_t id;
 147         void (*fixup)(struct flash_bank *bank, const void *param);
 148         const void *param;
 149 };
 150
 151 #define CFI_MFR_AMD             0x0001
 152 #define CFI_MFR_FUJITSU 0x0004
 153 #define CFI_MFR_ATMEL   0x001F
 154 #define CFI_MFR_ST              0x0020  /* STMicroelectronics */
 155 #define CFI_MFR_AMIC    0x0037
 156 #define CFI_MFR_SST             0x00BF
 157 #define CFI_MFR_MX              0x00C2
 158 #define CFI_MFR_EON             0x007F
 159
 160 #define CFI_MFR_ANY             0xffff
 161 #define CFI_ID_ANY              0xffff
 162
 163 #endif /* OPENOCD_FLASH_NOR_CFI_H */