]>
Commit | Line | Data |
---|---|---|
1 | /* | |
2 | * (C) Copyright 2003 | |
3 | * Data Flash Atmel Description File | |
4 | * Author : Hamid Ikdoumi (Atmel) | |
5 | * | |
6 | * SPDX-License-Identifier: GPL-2.0+ | |
7 | */ | |
8 | ||
9 | /* File Name : dataflash.h */ | |
10 | /* Object : Data Flash Atmel Description File */ | |
11 | /* Translator : */ | |
12 | /* */ | |
13 | /* 1.0 03/04/01 HI : Creation */ | |
14 | /* 1.2 20/10/02 FB : Adapatation Service and Lib v3 */ | |
15 | /*----------------------------------------------------------------------*/ | |
16 | ||
17 | #ifndef _DataFlash_h | |
18 | #define _DataFlash_h | |
19 | ||
20 | ||
21 | #include "config.h" | |
22 | ||
23 | /*number of protected area*/ | |
24 | #define NB_DATAFLASH_AREA 5 | |
25 | ||
26 | #ifdef CONFIG_SYS_NO_FLASH | |
27 | ||
28 | /*----------------------------------------------------------------------- | |
29 | * return codes from flash_write(): | |
30 | */ | |
31 | # define ERR_OK 0 | |
32 | # define ERR_TIMOUT 1 | |
33 | # define ERR_NOT_ERASED 2 | |
34 | # define ERR_PROTECTED 4 | |
35 | # define ERR_INVAL 8 | |
36 | # define ERR_ALIGN 16 | |
37 | # define ERR_UNKNOWN_FLASH_VENDOR 32 | |
38 | # define ERR_UNKNOWN_FLASH_TYPE 64 | |
39 | # define ERR_PROG_ERROR 128 | |
40 | ||
41 | /*----------------------------------------------------------------------- | |
42 | * Protection Flags for flash_protect(): | |
43 | */ | |
44 | # define FLAG_PROTECT_SET 0x01 | |
45 | # define FLAG_PROTECT_CLEAR 0x02 | |
46 | # define FLAG_PROTECT_INVALID 0x03 | |
47 | ||
48 | /*----------------------------------------------------------------------- | |
49 | * Set Environment according to label: | |
50 | */ | |
51 | # define FLAG_SETENV 0x80 | |
52 | #endif /* CONFIG_SYS_NO_FLASH */ | |
53 | ||
54 | /*define the area structure*/ | |
55 | typedef struct { | |
56 | unsigned long start; | |
57 | unsigned long end; | |
58 | unsigned char protected; | |
59 | unsigned char setenv; | |
60 | unsigned char label[20]; | |
61 | } dataflash_protect_t; | |
62 | ||
63 | typedef unsigned int AT91S_DataFlashStatus; | |
64 | ||
65 | /*----------------------------------------------------------------------*/ | |
66 | /* DataFlash Structures */ | |
67 | /*----------------------------------------------------------------------*/ | |
68 | ||
69 | /*---------------------------------------------*/ | |
70 | /* DataFlash Descriptor Structure Definition */ | |
71 | /*---------------------------------------------*/ | |
72 | typedef struct _AT91S_DataflashDesc { | |
73 | unsigned char *tx_cmd_pt; | |
74 | unsigned int tx_cmd_size; | |
75 | unsigned char *rx_cmd_pt; | |
76 | unsigned int rx_cmd_size; | |
77 | unsigned char *tx_data_pt; | |
78 | unsigned int tx_data_size; | |
79 | unsigned char *rx_data_pt; | |
80 | unsigned int rx_data_size; | |
81 | volatile unsigned char state; | |
82 | volatile unsigned char DataFlash_state; | |
83 | unsigned char command[8]; | |
84 | } AT91S_DataflashDesc, *AT91PS_DataflashDesc; | |
85 | ||
86 | /*---------------------------------------------*/ | |
87 | /* DataFlash device definition structure */ | |
88 | /*---------------------------------------------*/ | |
89 | typedef struct _AT91S_Dataflash { | |
90 | int pages_number; /* dataflash page number */ | |
91 | int pages_size; /* dataflash page size */ | |
92 | int page_offset; /* page offset in command */ | |
93 | int byte_mask; /* byte mask in command */ | |
94 | int cs; | |
95 | dataflash_protect_t area_list[NB_DATAFLASH_AREA]; /* area protection status */ | |
96 | } AT91S_DataflashFeatures, *AT91PS_DataflashFeatures; | |
97 | ||
98 | /*---------------------------------------------*/ | |
99 | /* DataFlash Structure Definition */ | |
100 | /*---------------------------------------------*/ | |
101 | typedef struct _AT91S_DataFlash { | |
102 | AT91PS_DataflashDesc pDataFlashDesc; /* dataflash descriptor */ | |
103 | AT91PS_DataflashFeatures pDevice; /* Pointer on a dataflash features array */ | |
104 | } AT91S_DataFlash, *AT91PS_DataFlash; | |
105 | ||
106 | ||
107 | typedef struct _AT91S_DATAFLASH_INFO { | |
108 | ||
109 | AT91S_DataflashDesc Desc; | |
110 | AT91S_DataflashFeatures Device; /* Pointer on a dataflash features array */ | |
111 | unsigned long logical_address; | |
112 | unsigned long end_address; | |
113 | unsigned int id; /* device id */ | |
114 | } AT91S_DATAFLASH_INFO, *AT91PS_DATAFLASH_INFO; | |
115 | ||
116 | struct dataflash_addr { | |
117 | unsigned long addr; | |
118 | int cs; | |
119 | }; | |
120 | /*-------------------------------------------------------------------------------------------------*/ | |
121 | #define AT45DB161 0x2c | |
122 | #define AT45DB021 0x14 | |
123 | #define AT45DB081 0x24 | |
124 | #define AT45DB321 0x34 | |
125 | #define AT45DB642 0x3c | |
126 | #define AT45DB128 0x10 | |
127 | #define PAGES_PER_BLOCK 8 | |
128 | ||
129 | #define AT91C_DATAFLASH_TIMEOUT 10000 /* For AT91F_DataFlashWaitReady */ | |
130 | ||
131 | /* DataFlash return value */ | |
132 | #define DATAFLASH_BUSY 0x00 | |
133 | #define DATAFLASH_OK 0x01 | |
134 | #define DATAFLASH_ERROR 0x02 | |
135 | #define DATAFLASH_MEMORY_OVERFLOW 0x03 | |
136 | #define DATAFLASH_BAD_COMMAND 0x04 | |
137 | #define DATAFLASH_BAD_ADDRESS 0x05 | |
138 | ||
139 | ||
140 | /* Driver State */ | |
141 | #define IDLE 0x0 | |
142 | #define BUSY 0x1 | |
143 | #define ERROR 0x2 | |
144 | ||
145 | /* DataFlash Driver State */ | |
146 | #define GET_STATUS 0x0F | |
147 | ||
148 | /*-------------------------------------------------------------------------------------------------*/ | |
149 | /* Command Definition */ | |
150 | /*-------------------------------------------------------------------------------------------------*/ | |
151 | ||
152 | /* READ COMMANDS */ | |
153 | #define DB_CONTINUOUS_ARRAY_READ 0xE8 /* Continuous array read */ | |
154 | #define DB_BURST_ARRAY_READ 0xE8 /* Burst array read */ | |
155 | #define DB_PAGE_READ 0xD2 /* Main memory page read */ | |
156 | #define DB_BUF1_READ 0xD4 /* Buffer 1 read */ | |
157 | #define DB_BUF2_READ 0xD6 /* Buffer 2 read */ | |
158 | #define DB_STATUS 0xD7 /* Status Register */ | |
159 | ||
160 | /* PROGRAM and ERASE COMMANDS */ | |
161 | #define DB_BUF1_WRITE 0x84 /* Buffer 1 write */ | |
162 | #define DB_BUF2_WRITE 0x87 /* Buffer 2 write */ | |
163 | #define DB_BUF1_PAGE_ERASE_PGM 0x83 /* Buffer 1 to main memory page program with built-In erase */ | |
164 | #define DB_BUF1_PAGE_ERASE_FASTPGM 0x93 /* Buffer 1 to main memory page program with built-In erase, Fast program */ | |
165 | #define DB_BUF2_PAGE_ERASE_PGM 0x86 /* Buffer 2 to main memory page program with built-In erase */ | |
166 | #define DB_BUF2_PAGE_ERASE_FASTPGM 0x96 /* Buffer 1 to main memory page program with built-In erase, Fast program */ | |
167 | #define DB_BUF1_PAGE_PGM 0x88 /* Buffer 1 to main memory page program without built-In erase */ | |
168 | #define DB_BUF1_PAGE_FASTPGM 0x98 /* Buffer 1 to main memory page program without built-In erase, Fast program */ | |
169 | #define DB_BUF2_PAGE_PGM 0x89 /* Buffer 2 to main memory page program without built-In erase */ | |
170 | #define DB_BUF2_PAGE_FASTPGM 0x99 /* Buffer 1 to main memory page program without built-In erase, Fast program */ | |
171 | #define DB_PAGE_ERASE 0x81 /* Page Erase */ | |
172 | #define DB_BLOCK_ERASE 0x50 /* Block Erase */ | |
173 | #define DB_PAGE_PGM_BUF1 0x82 /* Main memory page through buffer 1 */ | |
174 | #define DB_PAGE_FASTPGM_BUF1 0x92 /* Main memory page through buffer 1, Fast program */ | |
175 | #define DB_PAGE_PGM_BUF2 0x85 /* Main memory page through buffer 2 */ | |
176 | #define DB_PAGE_FastPGM_BUF2 0x95 /* Main memory page through buffer 2, Fast program */ | |
177 | ||
178 | /* ADDITIONAL COMMANDS */ | |
179 | #define DB_PAGE_2_BUF1_TRF 0x53 /* Main memory page to buffer 1 transfert */ | |
180 | #define DB_PAGE_2_BUF2_TRF 0x55 /* Main memory page to buffer 2 transfert */ | |
181 | #define DB_PAGE_2_BUF1_CMP 0x60 /* Main memory page to buffer 1 compare */ | |
182 | #define DB_PAGE_2_BUF2_CMP 0x61 /* Main memory page to buffer 2 compare */ | |
183 | #define DB_AUTO_PAGE_PGM_BUF1 0x58 /* Auto page rewrite throught buffer 1 */ | |
184 | #define DB_AUTO_PAGE_PGM_BUF2 0x59 /* Auto page rewrite throught buffer 2 */ | |
185 | ||
186 | /*-------------------------------------------------------------------------------------------------*/ | |
187 | ||
188 | extern int size_dataflash (AT91PS_DataFlash pdataFlash, unsigned long addr, unsigned long size); | |
189 | extern int prot_dataflash (AT91PS_DataFlash pdataFlash, unsigned long addr); | |
190 | extern int addr2ram(ulong addr); | |
191 | extern int dataflash_real_protect (int flag, unsigned long start_addr, unsigned long end_addr); | |
192 | extern int addr_dataflash (unsigned long addr); | |
193 | extern int read_dataflash (unsigned long addr, unsigned long size, char *result); | |
194 | extern int write_dataflash(unsigned long addr_dest, unsigned long addr_src, | |
195 | unsigned long size); | |
196 | extern int AT91F_DataflashInit(void); | |
197 | ||
198 | extern void dataflash_print_info (void); | |
199 | extern void dataflash_perror (int err); | |
200 | extern void AT91F_DataflashSetEnv (void); | |
201 | ||
202 | extern struct dataflash_addr cs[CONFIG_SYS_MAX_DATAFLASH_BANKS]; | |
203 | extern dataflash_protect_t area_list[NB_DATAFLASH_AREA]; | |
204 | extern AT91S_DATAFLASH_INFO dataflash_info[]; | |
205 | #endif |