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2abbe075 WD |
1 | /* |
2 | * (C) Copyright 2003 | |
3 | * Data Flash Atmel Description File | |
4 | * Author : Hamid Ikdoumi (Atmel) | |
5 | * | |
6 | * See file CREDITS for list of people who contributed to this | |
7 | * project. | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU General Public License as | |
11 | * published by the Free Software Foundation; either version 2 of | |
12 | * the License, or (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
22 | * MA 02111-1307 USA | |
23 | */ | |
24 | ||
25 | /* File Name : dataflash.h */ | |
26 | /* Object : Data Flash Atmel Description File */ | |
27 | /* Translator : */ | |
28 | /* */ | |
29 | /* 1.0 03/04/01 HI : Creation */ | |
30 | /* 1.2 20/10/02 FB : Adapatation Service and Lib v3 */ | |
31 | /*----------------------------------------------------------------------*/ | |
32 | ||
33 | #ifndef _DataFlash_h | |
34 | #define _DataFlash_h | |
35 | ||
36 | ||
2abbe075 WD |
37 | #include "config.h" |
38 | ||
5779d8d9 | 39 | /*number of protected area*/ |
5604e217 | 40 | #define NB_DATAFLASH_AREA 5 |
d4fc6012 | 41 | |
6d0f6bcf | 42 | #ifdef CONFIG_SYS_NO_FLASH |
d4fc6012 PP |
43 | |
44 | /*----------------------------------------------------------------------- | |
45 | * return codes from flash_write(): | |
46 | */ | |
47 | # define ERR_OK 0 | |
48 | # define ERR_TIMOUT 1 | |
49 | # define ERR_NOT_ERASED 2 | |
50 | # define ERR_PROTECTED 4 | |
51 | # define ERR_INVAL 8 | |
52 | # define ERR_ALIGN 16 | |
53 | # define ERR_UNKNOWN_FLASH_VENDOR 32 | |
54 | # define ERR_UNKNOWN_FLASH_TYPE 64 | |
55 | # define ERR_PROG_ERROR 128 | |
56 | ||
57 | /*----------------------------------------------------------------------- | |
58 | * Protection Flags for flash_protect(): | |
59 | */ | |
60 | # define FLAG_PROTECT_SET 0x01 | |
61 | # define FLAG_PROTECT_CLEAR 0x02 | |
62 | # define FLAG_PROTECT_INVALID 0x03 | |
63 | ||
64 | /*----------------------------------------------------------------------- | |
65 | * Set Environment according to label: | |
66 | */ | |
67 | # define FLAG_SETENV 0x80 | |
6d0f6bcf | 68 | #endif /* CONFIG_SYS_NO_FLASH */ |
2abbe075 | 69 | |
5779d8d9 | 70 | /*define the area structure*/ |
2abbe075 | 71 | typedef struct { |
5779d8d9 WD |
72 | unsigned long start; |
73 | unsigned long end; | |
74 | unsigned char protected; | |
d4fc6012 | 75 | unsigned char setenv; |
f01dbb54 | 76 | unsigned char label[20]; |
5779d8d9 | 77 | } dataflash_protect_t; |
2abbe075 WD |
78 | |
79 | typedef unsigned int AT91S_DataFlashStatus; | |
80 | ||
81 | /*----------------------------------------------------------------------*/ | |
82 | /* DataFlash Structures */ | |
83 | /*----------------------------------------------------------------------*/ | |
84 | ||
85 | /*---------------------------------------------*/ | |
86 | /* DataFlash Descriptor Structure Definition */ | |
87 | /*---------------------------------------------*/ | |
88 | typedef struct _AT91S_DataflashDesc { | |
89 | unsigned char *tx_cmd_pt; | |
90 | unsigned int tx_cmd_size; | |
91 | unsigned char *rx_cmd_pt; | |
92 | unsigned int rx_cmd_size; | |
93 | unsigned char *tx_data_pt; | |
94 | unsigned int tx_data_size; | |
95 | unsigned char *rx_data_pt; | |
96 | unsigned int rx_data_size; | |
97 | volatile unsigned char state; | |
98 | volatile unsigned char DataFlash_state; | |
99 | unsigned char command[8]; | |
100 | } AT91S_DataflashDesc, *AT91PS_DataflashDesc; | |
101 | ||
102 | /*---------------------------------------------*/ | |
103 | /* DataFlash device definition structure */ | |
104 | /*---------------------------------------------*/ | |
105 | typedef struct _AT91S_Dataflash { | |
106 | int pages_number; /* dataflash page number */ | |
107 | int pages_size; /* dataflash page size */ | |
108 | int page_offset; /* page offset in command */ | |
109 | int byte_mask; /* byte mask in command */ | |
110 | int cs; | |
5779d8d9 | 111 | dataflash_protect_t area_list[NB_DATAFLASH_AREA]; /* area protection status */ |
2abbe075 WD |
112 | } AT91S_DataflashFeatures, *AT91PS_DataflashFeatures; |
113 | ||
114 | /*---------------------------------------------*/ | |
115 | /* DataFlash Structure Definition */ | |
116 | /*---------------------------------------------*/ | |
117 | typedef struct _AT91S_DataFlash { | |
118 | AT91PS_DataflashDesc pDataFlashDesc; /* dataflash descriptor */ | |
119 | AT91PS_DataflashFeatures pDevice; /* Pointer on a dataflash features array */ | |
120 | } AT91S_DataFlash, *AT91PS_DataFlash; | |
121 | ||
122 | ||
2abbe075 WD |
123 | typedef struct _AT91S_DATAFLASH_INFO { |
124 | ||
125 | AT91S_DataflashDesc Desc; | |
126 | AT91S_DataflashFeatures Device; /* Pointer on a dataflash features array */ | |
127 | unsigned long logical_address; | |
d4fc6012 | 128 | unsigned long end_address; |
2abbe075 | 129 | unsigned int id; /* device id */ |
2abbe075 WD |
130 | } AT91S_DATAFLASH_INFO, *AT91PS_DATAFLASH_INFO; |
131 | ||
c3a60cb3 US |
132 | struct dataflash_addr { |
133 | unsigned long addr; | |
134 | int cs; | |
135 | }; | |
2abbe075 | 136 | /*-------------------------------------------------------------------------------------------------*/ |
2abbe075 | 137 | #define AT45DB161 0x2c |
c6457e3b | 138 | #define AT45DB021 0x14 |
f77d92a3 | 139 | #define AT45DB081 0x24 |
2abbe075 WD |
140 | #define AT45DB321 0x34 |
141 | #define AT45DB642 0x3c | |
5779d8d9 | 142 | #define AT45DB128 0x10 |
d4fc6012 | 143 | #define PAGES_PER_BLOCK 8 |
2abbe075 WD |
144 | |
145 | #define AT91C_DATAFLASH_TIMEOUT 10000 /* For AT91F_DataFlashWaitReady */ | |
146 | ||
147 | /* DataFlash return value */ | |
148 | #define DATAFLASH_BUSY 0x00 | |
149 | #define DATAFLASH_OK 0x01 | |
150 | #define DATAFLASH_ERROR 0x02 | |
151 | #define DATAFLASH_MEMORY_OVERFLOW 0x03 | |
152 | #define DATAFLASH_BAD_COMMAND 0x04 | |
153 | #define DATAFLASH_BAD_ADDRESS 0x05 | |
154 | ||
155 | ||
156 | /* Driver State */ | |
157 | #define IDLE 0x0 | |
158 | #define BUSY 0x1 | |
159 | #define ERROR 0x2 | |
160 | ||
161 | /* DataFlash Driver State */ | |
162 | #define GET_STATUS 0x0F | |
163 | ||
164 | /*-------------------------------------------------------------------------------------------------*/ | |
165 | /* Command Definition */ | |
166 | /*-------------------------------------------------------------------------------------------------*/ | |
167 | ||
168 | /* READ COMMANDS */ | |
169 | #define DB_CONTINUOUS_ARRAY_READ 0xE8 /* Continuous array read */ | |
170 | #define DB_BURST_ARRAY_READ 0xE8 /* Burst array read */ | |
171 | #define DB_PAGE_READ 0xD2 /* Main memory page read */ | |
172 | #define DB_BUF1_READ 0xD4 /* Buffer 1 read */ | |
173 | #define DB_BUF2_READ 0xD6 /* Buffer 2 read */ | |
174 | #define DB_STATUS 0xD7 /* Status Register */ | |
175 | ||
176 | /* PROGRAM and ERASE COMMANDS */ | |
177 | #define DB_BUF1_WRITE 0x84 /* Buffer 1 write */ | |
178 | #define DB_BUF2_WRITE 0x87 /* Buffer 2 write */ | |
179 | #define DB_BUF1_PAGE_ERASE_PGM 0x83 /* Buffer 1 to main memory page program with built-In erase */ | |
180 | #define DB_BUF1_PAGE_ERASE_FASTPGM 0x93 /* Buffer 1 to main memory page program with built-In erase, Fast program */ | |
181 | #define DB_BUF2_PAGE_ERASE_PGM 0x86 /* Buffer 2 to main memory page program with built-In erase */ | |
182 | #define DB_BUF2_PAGE_ERASE_FASTPGM 0x96 /* Buffer 1 to main memory page program with built-In erase, Fast program */ | |
183 | #define DB_BUF1_PAGE_PGM 0x88 /* Buffer 1 to main memory page program without built-In erase */ | |
184 | #define DB_BUF1_PAGE_FASTPGM 0x98 /* Buffer 1 to main memory page program without built-In erase, Fast program */ | |
185 | #define DB_BUF2_PAGE_PGM 0x89 /* Buffer 2 to main memory page program without built-In erase */ | |
186 | #define DB_BUF2_PAGE_FASTPGM 0x99 /* Buffer 1 to main memory page program without built-In erase, Fast program */ | |
187 | #define DB_PAGE_ERASE 0x81 /* Page Erase */ | |
188 | #define DB_BLOCK_ERASE 0x50 /* Block Erase */ | |
189 | #define DB_PAGE_PGM_BUF1 0x82 /* Main memory page through buffer 1 */ | |
190 | #define DB_PAGE_FASTPGM_BUF1 0x92 /* Main memory page through buffer 1, Fast program */ | |
191 | #define DB_PAGE_PGM_BUF2 0x85 /* Main memory page through buffer 2 */ | |
192 | #define DB_PAGE_FastPGM_BUF2 0x95 /* Main memory page through buffer 2, Fast program */ | |
193 | ||
194 | /* ADDITIONAL COMMANDS */ | |
195 | #define DB_PAGE_2_BUF1_TRF 0x53 /* Main memory page to buffer 1 transfert */ | |
196 | #define DB_PAGE_2_BUF2_TRF 0x55 /* Main memory page to buffer 2 transfert */ | |
197 | #define DB_PAGE_2_BUF1_CMP 0x60 /* Main memory page to buffer 1 compare */ | |
198 | #define DB_PAGE_2_BUF2_CMP 0x61 /* Main memory page to buffer 2 compare */ | |
199 | #define DB_AUTO_PAGE_PGM_BUF1 0x58 /* Auto page rewrite throught buffer 1 */ | |
200 | #define DB_AUTO_PAGE_PGM_BUF2 0x59 /* Auto page rewrite throught buffer 2 */ | |
201 | ||
202 | /*-------------------------------------------------------------------------------------------------*/ | |
203 | ||
5779d8d9 WD |
204 | extern int size_dataflash (AT91PS_DataFlash pdataFlash, unsigned long addr, unsigned long size); |
205 | extern int prot_dataflash (AT91PS_DataFlash pdataFlash, unsigned long addr); | |
d4fc6012 | 206 | extern int addr2ram(ulong addr); |
5779d8d9 | 207 | extern int dataflash_real_protect (int flag, unsigned long start_addr, unsigned long end_addr); |
2abbe075 WD |
208 | extern int addr_dataflash (unsigned long addr); |
209 | extern int read_dataflash (unsigned long addr, unsigned long size, char *result); | |
abdbd67c IG |
210 | extern int write_dataflash(unsigned long addr_dest, unsigned long addr_src, |
211 | unsigned long size); | |
0901d9f8 IG |
212 | extern int AT91F_DataflashInit(void); |
213 | ||
2abbe075 WD |
214 | extern void dataflash_print_info (void); |
215 | extern void dataflash_perror (int err); | |
c3a60cb3 | 216 | extern void AT91F_DataflashSetEnv (void); |
2abbe075 | 217 | |
6d0f6bcf | 218 | extern struct dataflash_addr cs[CONFIG_SYS_MAX_DATAFLASH_BANKS]; |
c3a60cb3 US |
219 | extern dataflash_protect_t area_list[NB_DATAFLASH_AREA]; |
220 | extern AT91S_DATAFLASH_INFO dataflash_info[]; | |
2abbe075 | 221 | #endif |