1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
/*
* (C) Copyright 2009
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*/
#ifndef __CFI_FLASH_H__
#define __CFI_FLASH_H__
#define FLASH_CMD_CFI 0x98
#define FLASH_CMD_READ_ID 0x90
#define FLASH_CMD_RESET 0xff
#define FLASH_CMD_BLOCK_ERASE 0x20
#define FLASH_CMD_ERASE_CONFIRM 0xD0
#define FLASH_CMD_WRITE 0x40
#define FLASH_CMD_PROTECT 0x60
#define FLASH_CMD_SETUP 0x60
#define FLASH_CMD_SET_CR_CONFIRM 0x03
#define FLASH_CMD_PROTECT_SET 0x01
#define FLASH_CMD_PROTECT_CLEAR 0xD0
#define FLASH_CMD_CLEAR_STATUS 0x50
#define FLASH_CMD_READ_STATUS 0x70
#define FLASH_CMD_WRITE_TO_BUFFER 0xE8
#define FLASH_CMD_WRITE_BUFFER_PROG 0xE9
#define FLASH_CMD_WRITE_BUFFER_CONFIRM 0xD0
#define FLASH_STATUS_DONE 0x80
#define FLASH_STATUS_ESS 0x40
#define FLASH_STATUS_ECLBS 0x20
#define FLASH_STATUS_PSLBS 0x10
#define FLASH_STATUS_VPENS 0x08
#define FLASH_STATUS_PSS 0x04
#define FLASH_STATUS_DPS 0x02
#define FLASH_STATUS_R 0x01
#define FLASH_STATUS_PROTECT 0x01
#define AMD_CMD_RESET 0xF0
#define AMD_CMD_WRITE 0xA0
#define AMD_CMD_ERASE_START 0x80
#define AMD_CMD_ERASE_SECTOR 0x30
#define AMD_CMD_UNLOCK_START 0xAA
#define AMD_CMD_UNLOCK_ACK 0x55
#define AMD_CMD_WRITE_TO_BUFFER 0x25
#define AMD_CMD_WRITE_BUFFER_CONFIRM 0x29
#define AMD_CMD_SET_PPB_ENTRY 0xC0
#define AMD_CMD_SET_PPB_EXIT_BC1 0x90
#define AMD_CMD_SET_PPB_EXIT_BC2 0x00
#define AMD_CMD_PPB_UNLOCK_BC1 0x80
#define AMD_CMD_PPB_UNLOCK_BC2 0x30
#define AMD_CMD_PPB_LOCK_BC1 0xA0
#define AMD_CMD_PPB_LOCK_BC2 0x00
#define AMD_STATUS_TOGGLE 0x40
#define AMD_STATUS_ERROR 0x20
#define ATM_CMD_UNLOCK_SECT 0x70
#define ATM_CMD_SOFTLOCK_START 0x80
#define ATM_CMD_LOCK_SECT 0x40
#define FLASH_CONTINUATION_CODE 0x7F
#define FLASH_OFFSET_MANUFACTURER_ID 0x00
#define FLASH_OFFSET_DEVICE_ID 0x02
#define FLASH_OFFSET_DEVICE_ID2 0x1C
#define FLASH_OFFSET_DEVICE_ID3 0x1E
#define FLASH_OFFSET_CFI 0xAA
#define FLASH_OFFSET_CFI_ALT 0x555
#define FLASH_OFFSET_CFI_RESP 0x20
#define FLASH_OFFSET_PRIMARY_VENDOR 0x26
/* extended query table primary address */
#define FLASH_OFFSET_EXT_QUERY_T_P_ADDR 0x2A
#define FLASH_OFFSET_WTOUT 0x1F
#define FLASH_OFFSET_WBTOUT 0x40
#define FLASH_OFFSET_ETOUT 0x4A
#define FLASH_OFFSET_CETOUT 0x44
#define FLASH_OFFSET_WMAX_TOUT 0x46
#define FLASH_OFFSET_WBMAX_TOUT 0x48
#define FLASH_OFFSET_EMAX_TOUT 0x4A
#define FLASH_OFFSET_CEMAX_TOUT 0x4C
#define FLASH_OFFSET_SIZE 0x4E
#define FLASH_OFFSET_INTERFACE 0x50
#define FLASH_OFFSET_BUFFER_SIZE 0x54
#define FLASH_OFFSET_NUM_ERASE_REGIONS 0x58
#define FLASH_OFFSET_ERASE_REGIONS 0x5A
#define FLASH_OFFSET_PROTECT 0x04
#define FLASH_OFFSET_USER_PROTECTION 0x85
#define FLASH_OFFSET_INTEL_PROTECTION 0x81
#define CFI_CMDSET_NONE 0
#define CFI_CMDSET_INTEL_EXTENDED 1
#define CFI_CMDSET_AMD_STANDARD 2
#define CFI_CMDSET_INTEL_STANDARD 3
#define CFI_CMDSET_AMD_EXTENDED 4
#define CFI_CMDSET_MITSU_STANDARD 256
#define CFI_CMDSET_MITSU_EXTENDED 257
#define CFI_CMDSET_SST 258
#define CFI_CMDSET_INTEL_PROG_REGIONS 512
#ifdef CONFIG_SYS_FLASH_CFI_AMD_RESET /* needed for STM_ID_29W320DB on UC100 */
# undef FLASH_CMD_RESET
# define FLASH_CMD_RESET AMD_CMD_RESET /* use AMD-Reset instead */
#endif
#define NUM_ERASE_REGIONS 4 /* max. number of erase regions */
typedef union {
unsigned char c;
unsigned short w;
unsigned long l;
unsigned long long ll;
} cfiword_t;
/* CFI standard query structure */
struct cfi_qry {
u8 qry[3];
u16 p_id;
u16 p_adr;
u16 a_id;
u16 a_adr;
u8 vcc_min;
u8 vcc_max;
u8 vpp_min;
u8 vpp_max;
u8 word_write_timeout_typ;
u8 buf_write_timeout_typ;
u8 block_erase_timeout_typ;
u8 chip_erase_timeout_typ;
u8 word_write_timeout_max;
u8 buf_write_timeout_max;
u8 block_erase_timeout_max;
u8 chip_erase_timeout_max;
u8 dev_size;
u16 interface_desc;
u16 max_buf_write_size;
u8 num_erase_regions;
u32 erase_region_info[NUM_ERASE_REGIONS];
} __attribute__((packed));
struct cfi_pri_hdr {
u8 pri[3];
u8 major_version;
u8 minor_version;
} __attribute__((packed));
#ifndef CONFIG_SYS_FLASH_BANKS_LIST
#define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE }
#endif
/*
* CFI_MAX_FLASH_BANKS only used for flash_info struct declaration.
*
* Use CONFIG_SYS_MAX_FLASH_BANKS_DETECT if defined
*/
#if defined(CONFIG_SYS_MAX_FLASH_BANKS_DETECT)
#define CONFIG_SYS_MAX_FLASH_BANKS (cfi_flash_num_flash_banks)
#define CFI_MAX_FLASH_BANKS CONFIG_SYS_MAX_FLASH_BANKS_DETECT
/* board code can update this variable before CFI detection */
extern int cfi_flash_num_flash_banks;
#else
#define CFI_MAX_FLASH_BANKS CONFIG_SYS_MAX_FLASH_BANKS
#endif
void flash_write_cmd(flash_info_t * info, flash_sect_t sect,
uint offset, u32 cmd);
#endif /* __CFI_FLASH_H__ */
|
