1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
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. *
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. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
19 ***************************************************************************/
24 #define CFI_STATUS_POLL_MASK_DQ5_DQ6_DQ7 0xE0 /* DQ5..DQ7 */
25 #define CFI_STATUS_POLL_MASK_DQ6_DQ7 0xC0 /* DQ6..DQ7 */
27 struct cfi_flash_bank {
33 uint16_t manufacturer;
38 /* identification string */
44 /* device-system interface */
49 uint8_t word_write_timeout_typ;
50 uint8_t buf_write_timeout_typ;
51 uint8_t block_erase_timeout_typ;
52 uint8_t chip_erase_timeout_typ;
53 uint8_t word_write_timeout_max;
54 uint8_t buf_write_timeout_max;
55 uint8_t block_erase_timeout_max;
56 uint8_t chip_erase_timeout_max;
58 uint8_t status_poll_mask;
62 uint16_t interface_desc;
63 uint16_t max_buf_write_size;
64 uint8_t num_erase_regions;
65 uint32_t *erase_region_info;
70 /* calculated timeouts */
71 unsigned word_write_timeout;
72 unsigned buf_write_timeout;
73 unsigned block_erase_timeout;
74 unsigned chip_erase_timeout;
77 /* Intel primary extended query table
78 * as defined for the Advanced+ Boot Block Flash Memory (C3)
79 * and used by the linux kernel cfi driver (as of 2.6.14)
81 struct cfi_intel_pri_ext {
83 uint8_t major_version;
84 uint8_t minor_version;
85 uint32_t feature_support;
86 uint8_t suspend_cmd_support;
87 uint16_t blk_status_reg_mask;
90 uint8_t num_protection_fields;
91 uint16_t prot_reg_addr;
92 uint8_t fact_prot_reg_size;
93 uint8_t user_prot_reg_size;
97 /* Spansion primary extended query table as defined for and used by
98 * the linux kernel cfi driver (as of 2.6.15)
100 struct cfi_spansion_pri_ext {
102 uint8_t major_version;
103 uint8_t minor_version;
104 uint8_t SiliconRevision; /* bits 1-0: Address Sensitive Unlock */
105 uint8_t EraseSuspend;
107 uint8_t TmpBlkUnprotect;
108 uint8_t BlkProtUnprot;
109 uint8_t SimultaneousOps;
115 int _reversed_geometry;
120 /* Atmel primary extended query table as defined for and used by
121 * the linux kernel cfi driver (as of 2.6.20+)
123 struct cfi_atmel_pri_ext {
125 uint8_t major_version;
126 uint8_t minor_version;
135 CFI_UNLOCK_5555_2AAA,
138 struct cfi_unlock_addresses {
146 void (*fixup)(struct flash_bank *bank, const void *param);
150 #define CFI_MFR_AMD 0x0001
151 #define CFI_MFR_FUJITSU 0x0004
152 #define CFI_MFR_ATMEL 0x001F
153 #define CFI_MFR_ST 0x0020 /* STMicroelectronics */
154 #define CFI_MFR_AMIC 0x0037
155 #define CFI_MFR_SST 0x00BF
156 #define CFI_MFR_MX 0x00C2
157 #define CFI_MFR_EON 0x007F
159 #define CFI_MFR_ANY 0xffff
160 #define CFI_ID_ANY 0xffff