OpenWrt – Blame information for rev 1
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1 | office | 1 | //*--------------------------------------------------------------------------- |
2 | //* ATMEL Microcontroller Software Support - ROUSSET - |
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3 | //*--------------------------------------------------------------------------- |
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4 | //* The software is delivered "AS IS" without warranty or condition of any |
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5 | //* kind, either express, implied or statutory. This includes without |
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6 | //* limitation any warranty or condition with respect to merchantability or |
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7 | //* fitness for any particular purpose, or against the infringements of |
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8 | //* intellectual property rights of others. |
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9 | //*--------------------------------------------------------------------------- |
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10 | //* File Name : AT91_SpiDataFlash.h |
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11 | //* Object : Data Flash Atmel Description File |
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12 | //* Translator : |
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13 | //* |
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14 | //* 1.0 03/04/01 HI : Creation |
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15 | //* |
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16 | //*--------------------------------------------------------------------------- |
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17 | |||
18 | #ifndef _DataFlash_h |
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19 | #define _DataFlash_h |
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20 | |||
21 | /* Max value = 15Mhz to be compliant with the Continuous array read function */ |
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22 | #ifdef SPI_LOW_SPEED |
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23 | #define AT91C_SPI_CLK 14976000/4 |
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24 | #else |
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25 | #define AT91C_SPI_CLK 14976000 |
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26 | #endif |
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27 | |||
28 | /* AC characteristics */ |
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29 | /* DLYBS = tCSS= 250ns min and DLYBCT = tCSH = 250ns */ |
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30 | |||
31 | #define DATAFLASH_TCSS (0xf << 16) /* 250ns 15/60000000 */ |
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32 | #define DATAFLASH_TCHS (0x1 << 24) /* 250ns 32*1/60000000 */ |
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33 | |||
34 | |||
35 | #define AT91C_SPI_PCS0_SERIAL_DATAFLASH 0xE /* Chip Select 0 : NPCS0 %1110 */ |
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36 | #define AT91C_SPI_PCS3_DATAFLASH_CARD 0x7 /* Chip Select 3 : NPCS3 %0111 */ |
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37 | |||
38 | #define CFG_MAX_DATAFLASH_BANKS 2 |
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39 | #define CFG_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 |
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40 | #define CFG_DATAFLASH_LOGIC_ADDR_CS3 0xD0000000 |
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41 | |||
42 | typedef struct { |
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43 | unsigned long base; /* logical base address for a bank */ |
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44 | unsigned long size; /* total bank size */ |
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45 | unsigned long page_count; |
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46 | unsigned long page_size; |
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47 | unsigned long id; /* device id */ |
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48 | } dataflash_info_t; |
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49 | |||
50 | typedef unsigned int AT91S_DataFlashStatus; |
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51 | |||
52 | /*----------------------------------------------------------------------*/ |
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53 | /* DataFlash Structures */ |
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54 | /*----------------------------------------------------------------------*/ |
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55 | |||
56 | /*---------------------------------------------*/ |
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57 | /* DataFlash Descriptor Structure Definition */ |
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58 | /*---------------------------------------------*/ |
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59 | typedef struct _AT91S_DataflashDesc { |
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60 | unsigned char *tx_cmd_pt; |
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61 | unsigned int tx_cmd_size; |
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62 | unsigned char *rx_cmd_pt; |
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63 | unsigned int rx_cmd_size; |
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64 | unsigned char *tx_data_pt; |
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65 | unsigned int tx_data_size; |
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66 | unsigned char *rx_data_pt; |
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67 | unsigned int rx_data_size; |
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68 | volatile unsigned char DataFlash_state; |
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69 | unsigned char command[8]; |
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70 | } AT91S_DataflashDesc, *AT91PS_DataflashDesc; |
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71 | |||
72 | /*---------------------------------------------*/ |
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73 | /* DataFlash device definition structure */ |
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74 | /*---------------------------------------------*/ |
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75 | typedef struct _AT91S_Dataflash { |
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76 | int pages_number; /* dataflash page number */ |
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77 | int pages_size; /* dataflash page size */ |
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78 | int page_offset; /* page offset in command */ |
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79 | int byte_mask; /* byte mask in command */ |
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80 | int cs; |
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81 | } AT91S_DataflashFeatures, *AT91PS_DataflashFeatures; |
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82 | |||
83 | |||
84 | /*---------------------------------------------*/ |
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85 | /* DataFlash Structure Definition */ |
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86 | /*---------------------------------------------*/ |
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87 | typedef struct _AT91S_DataFlash { |
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88 | AT91PS_DataflashDesc pDataFlashDesc; /* dataflash descriptor */ |
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89 | AT91PS_DataflashFeatures pDevice; /* Pointer on a dataflash features array */ |
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90 | } AT91S_DataFlash, *AT91PS_DataFlash; |
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91 | |||
92 | |||
93 | typedef struct _AT91S_DATAFLASH_INFO { |
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94 | |||
95 | AT91S_DataflashDesc Desc; |
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96 | AT91S_DataflashFeatures Device; /* Pointer on a dataflash features array */ |
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97 | unsigned long logical_address; |
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98 | unsigned int id; /* device id */ |
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99 | } AT91S_DATAFLASH_INFO, *AT91PS_DATAFLASH_INFO; |
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100 | |||
101 | |||
102 | /*-------------------------------------------------------------------------------------------------*/ |
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103 | |||
104 | #define AT45DB161 0x2c |
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105 | #define AT45DB321 0x34 |
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106 | #define AT45DB642 0x3c |
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107 | #define AT45DB128 0x10 |
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108 | |||
109 | #define AT91C_DATAFLASH_TIMEOUT 20000 /* For AT91F_DataFlashWaitReady */ |
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110 | |||
111 | /* DataFlash return value */ |
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112 | #define AT91C_DATAFLASH_BUSY 0x00 |
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113 | #define AT91C_DATAFLASH_OK 0x01 |
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114 | #define AT91C_DATAFLASH_ERROR 0x02 |
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115 | #define AT91C_DATAFLASH_MEMORY_OVERFLOW 0x03 |
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116 | #define AT91C_DATAFLASH_BAD_COMMAND 0x04 |
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117 | #define AT91C_DATAFLASH_BAD_ADDRESS 0x05 |
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118 | |||
119 | |||
120 | /* Driver State */ |
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121 | #define IDLE 0x0 |
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122 | #define BUSY 0x1 |
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123 | #define ERROR 0x2 |
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124 | |||
125 | /* DataFlash Driver State */ |
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126 | #define GET_STATUS 0x0F |
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127 | |||
128 | /*-------------------------------------------------------------------------------------------------*/ |
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129 | /* Command Definition */ |
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130 | /*-------------------------------------------------------------------------------------------------*/ |
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131 | |||
132 | /* READ COMMANDS */ |
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133 | #define DB_CONTINUOUS_ARRAY_READ 0xE8 /* Continuous array read */ |
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134 | #define DB_BURST_ARRAY_READ 0xE8 /* Burst array read */ |
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135 | #define DB_PAGE_READ 0xD2 /* Main memory page read */ |
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136 | #define DB_BUF1_READ 0xD4 /* Buffer 1 read */ |
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137 | #define DB_BUF2_READ 0xD6 /* Buffer 2 read */ |
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138 | #define DB_STATUS 0xD7 /* Status Register */ |
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139 | |||
140 | /* PROGRAM and ERASE COMMANDS */ |
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141 | #define DB_BUF1_WRITE 0x84 /* Buffer 1 write */ |
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142 | #define DB_BUF2_WRITE 0x87 /* Buffer 2 write */ |
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143 | #define DB_BUF1_PAGE_ERASE_PGM 0x83 /* Buffer 1 to main memory page program with built-In erase */ |
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144 | #define DB_BUF1_PAGE_ERASE_FASTPGM 0x93 /* Buffer 1 to main memory page program with built-In erase, Fast program */ |
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145 | #define DB_BUF2_PAGE_ERASE_PGM 0x86 /* Buffer 2 to main memory page program with built-In erase */ |
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146 | #define DB_BUF2_PAGE_ERASE_FASTPGM 0x96 /* Buffer 1 to main memory page program with built-In erase, Fast program */ |
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147 | #define DB_BUF1_PAGE_PGM 0x88 /* Buffer 1 to main memory page program without built-In erase */ |
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148 | #define DB_BUF1_PAGE_FASTPGM 0x98 /* Buffer 1 to main memory page program without built-In erase, Fast program */ |
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149 | #define DB_BUF2_PAGE_PGM 0x89 /* Buffer 2 to main memory page program without built-In erase */ |
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150 | #define DB_BUF2_PAGE_FASTPGM 0x99 /* Buffer 1 to main memory page program without built-In erase, Fast program */ |
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151 | #define DB_PAGE_ERASE 0x81 /* Page Erase */ |
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152 | #define DB_BLOCK_ERASE 0x50 /* Block Erase */ |
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153 | #define DB_PAGE_PGM_BUF1 0x82 /* Main memory page through buffer 1 */ |
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154 | #define DB_PAGE_FASTPGM_BUF1 0x92 /* Main memory page through buffer 1, Fast program */ |
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155 | #define DB_PAGE_PGM_BUF2 0x85 /* Main memory page through buffer 2 */ |
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156 | #define DB_PAGE_FastPGM_BUF2 0x95 /* Main memory page through buffer 2, Fast program */ |
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157 | |||
158 | /* ADDITIONAL COMMANDS */ |
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159 | #define DB_PAGE_2_BUF1_TRF 0x53 /* Main memory page to buffer 1 transfert */ |
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160 | #define DB_PAGE_2_BUF2_TRF 0x55 /* Main memory page to buffer 2 transfert */ |
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161 | #define DB_PAGE_2_BUF1_CMP 0x60 /* Main memory page to buffer 1 compare */ |
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162 | #define DB_PAGE_2_BUF2_CMP 0x61 /* Main memory page to buffer 2 compare */ |
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163 | #define DB_AUTO_PAGE_PGM_BUF1 0x58 /* Auto page rewrite throught buffer 1 */ |
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164 | #define DB_AUTO_PAGE_PGM_BUF2 0x59 /* Auto page rewrite throught buffer 2 */ |
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165 | |||
166 | /*-------------------------------------------------------------------------------------------------*/ |
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167 | |||
168 | extern AT91S_DATAFLASH_INFO dataflash_info[CFG_MAX_DATAFLASH_BANKS]; |
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169 | |||
170 | extern void AT91F_SpiInit(void); |
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171 | extern int AT91F_DataflashProbe(int i, AT91PS_DataflashDesc pDesc); |
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172 | extern int AT91F_DataFlashRead(AT91PS_DataFlash, unsigned long , unsigned long, char *); |
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173 | extern AT91S_DataFlashStatus AT91F_DataFlashWrite(AT91PS_DataFlash ,unsigned char *, int, int); |
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174 | extern AT91S_DataFlashStatus AT91F_DataFlashErase(AT91PS_DataFlash pDataFlash); |
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175 | extern int AT91F_DataflashInit(void); |
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176 | extern void AT91F_DataflashPrintInfo(void); |
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177 | extern int read_dataflash(unsigned long addr, unsigned long size, char *result); |
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178 | extern int write_dataflash(unsigned long addr_dest, unsigned int addr_src, unsigned int size); |
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179 | extern int erase_dataflash(unsigned long addr_dest); |
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180 | |||
181 | #endif |