FreeCalypso > hg > fc-magnetite
annotate src/cs/drivers/drv_app/ffs/board/drv.h @ 16:c15047b3d00d
cdg3: import from freecalypso-citrine/cdg
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Tue, 27 Sep 2016 16:27:34 +0000 (2016-09-27) |
parents | 945cf7f506b2 |
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rev | line source |
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1 /****************************************************************************** |
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2 * Flash File System (ffs) |
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3 * Idea, design and coding by Mads Meisner-Jensen, mmj@ti.com |
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4 * |
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5 * ffs low level flash driver |
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6 * |
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7 * $Id: drv.h 1.15.1.25.1.1.1.20 Mon, 17 Nov 2003 08:51:37 +0100 tsj $ |
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8 * |
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9 ******************************************************************************/ |
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10 |
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11 #ifndef TARGET |
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12 #include "ffs.cfg" |
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13 #endif |
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14 |
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15 #if (TARGET == 1) |
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16 #include "chipset.cfg" |
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17 #endif |
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18 |
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19 |
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20 /****************************************************************************** |
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21 * Compile constants |
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22 ******************************************************************************/ |
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23 |
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24 // FFS driver version (in four-digit BCD format). Format is MMID, where MM |
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25 // is major revision number, incremented e.g. for major revision or support |
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26 // for new flash family/driver. I is minor revision that is incremented for |
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27 // minor changes or when a bug is corrected. D is incremented when support |
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28 // of another device is added. |
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29 #define FFS_DRV_VERSION ((uint16) 0x1011) |
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30 |
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31 // Default Allocation granularity of ffs data sectors (as power of two) |
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32 #define FFS_ATOM_LOG2 4 |
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33 |
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34 |
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35 /****************************************************************************** |
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36 * Macros |
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37 ******************************************************************************/ |
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38 |
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39 // Convert between address and block index. Only works if all blocks are the |
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40 // same size! |
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41 #define block2addr(block) (dev.base + dev.binfo[block].offset) |
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42 |
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43 // Note that it is *VERY* important that pointers to hardware and flash are |
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44 // declared volatile, otherwise the compiler optimizes some reads and writes |
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45 // out and this results in non-working code! |
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46 #define FLASH_WRITE_HALFWORD(addr, data) *(volatile uint16 *) (addr) = (data) |
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47 #define FLASH_READ_HALFWORD(addr) *((volatile uint16 *) (addr)) |
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48 |
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49 #if (TARGET == 1) |
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50 |
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51 #include "memif/mem.h" |
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52 #if (CHIPSET == 12) |
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53 #include "sys_inth.h" |
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54 #else |
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55 #include "inth/inth.h" |
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56 #endif |
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57 |
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58 #if (CHIPSET == 3) |
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59 #define INT_REQUESTED (*(volatile uint16 *) INTH_IT_REG) & \ |
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60 ~(*(volatile uint16 *) INTH_MASK_REG) |
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61 #elif (CHIPSET == 4 || CHIPSET == 5 || CHIPSET == 6 || CHIPSET == 7 || CHIPSET == 8 || CHIPSET == 9 || CHIPSET == 10 || CHIPSET == 11) |
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62 #define INT_REQUESTED ((*(volatile uint16 *) INTH_IT_REG1) & \ |
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63 ~(*(volatile uint16 *) INTH_MASK_REG1)) || \ |
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64 ((*(volatile uint16 *) INTH_IT_REG2) & \ |
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65 ~(*(volatile uint16 *) INTH_MASK_REG2)) |
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66 #elif (CHIPSET == 12) |
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67 #define INT_REQUESTED ((*(volatile uint16 *) C_INTH_IT_REG1) & \ |
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68 ~(*(volatile uint16 *) C_INTH_MASK_REG1)) || \ |
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69 ((*(volatile uint16 *) C_INTH_IT_REG2) & \ |
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70 ~(*(volatile uint16 *) C_INTH_MASK_REG2)) |
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71 #endif |
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72 #endif // (TARGET == 1) |
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73 |
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74 |
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75 /****************************************************************************** |
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76 * Types |
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77 ******************************************************************************/ |
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78 |
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79 // Flash driver identifiers. |
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80 enum FFS_DRIVER { |
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81 FFS_DRIVER_NULL = 0, // Null driver |
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82 |
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83 FFS_DRIVER_AMD = 2, // AMD dual/multi-bank driver |
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84 FFS_DRIVER_AMD_SB = 3, // AMD single-bank driver |
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85 |
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86 FFS_DRIVER_SST = 8, // SST dual/multi-bank driver |
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87 FFS_DRIVER_SST_SB = 9, // SST single-bank driver |
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88 |
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89 FFS_DRIVER_INTEL = 16, // Intel dual/multi-bank driver |
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90 FFS_DRIVER_INTEL_SB = 17, // Intel single-bank driver |
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91 |
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92 FFS_DRIVER_AMD_PSEUDO_SB = 32, // Test driver |
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93 FFS_DRIVER_TEST = 34, // Test driver |
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94 |
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95 FFS_DRIVER_RAM = 64 // Ram driver |
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96 }; |
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97 |
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98 |
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99 // Manufacturer identifiers. These should never have to be changed. They are |
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100 // ordered in alphabetically ascending order. |
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101 enum FFS_MANUFACTURER { |
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102 MANUFACT_AMD = 0x01, |
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103 MANUFACT_ATMEL = 0x1F, |
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104 MANUFACT_FUJITSU = 0x04, |
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105 MANUFACT_INTEL = 0x89, |
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106 MANUFACT_MXIC = 0xC2, |
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107 MANUFACT_SAMSUNG = 0xEC, |
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108 MANUFACT_SHARP = 0xB0, |
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109 MANUFACT_SST = 0xBF, |
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110 MANUFACT_TOSHIBA = 0x98, |
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111 MANUFACT_RAM = 0xFE, // Ram |
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112 MANUFACT_TEST = 0x54 // 'T'est manufacturer |
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113 }; |
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114 |
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115 |
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116 // Flash block information for one ffs block (flash sector). Note that the |
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117 // ffs block definition might be of a smaller size then the physical flash |
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118 // sector. The ffs blocks must be defined in ascending order of addresses. |
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119 struct block_info_s { |
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120 uint32 offset; |
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121 uint8 size_ld; // log2 of block size |
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122 uint8 unused1; |
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123 uint8 unused2; |
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124 uint8 unused3; |
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125 }; |
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126 |
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127 |
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128 // General flash information for one flash device |
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129 struct flash_info_s { |
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130 const struct block_info_s *binfo; // block info array for this device |
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131 char *base; // base flash address of ffs blocks |
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132 uint16 manufact; // read with flash A0 = 0 |
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133 uint16 device; // read with flash A0 = 1 |
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134 uint8 driver; // flash driver type |
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135 uint8 numblocks; // number of blocks defined for use by ffs |
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136 }; |
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137 extern const struct flash_info_s flash_info[]; |
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138 |
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139 enum DEVICE_STATE { |
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140 DEV_READ, |
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141 DEV_ERASE, |
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142 DEV_ERASE_SUSPEND, |
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143 DEV_WRITE |
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144 }; |
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145 |
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146 |
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147 // Note that it is *VERY* important that pointers to hardware and flash are |
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148 // declared volatile, otherwise the compiler optimizes some reads and writes |
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149 // out and this results in non-working code! |
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150 struct dev_s { |
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151 char *base; // base flash address of ffs blocks |
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152 struct block_info_s *binfo; |
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153 uint16 manufact; |
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154 uint16 device; |
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155 volatile uint16 *addr; // address being written or erased |
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156 uint16 data; // data currently being written (dev.state = WRITE) |
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157 uint32 blocksize; |
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158 uint8 blocksize_ld; |
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159 uint8 atomlog2; |
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160 uint8 driver; |
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161 uint8 state; // state of device (DEVICE_STATE) |
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162 uint8 numblocks; |
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163 uint8 atomsize; |
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164 uint8 atomnotmask; |
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165 }; |
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166 extern struct dev_s dev; |
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167 |
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168 |
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169 // Flash low level driver function pointers |
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170 struct ffsdrv_s { |
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171 int (* init)(void); |
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172 void (* erase)(uint8 block); |
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173 void (* write_halfword)(volatile uint16 *dst, uint16 value); |
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174 void (* write)(void *dst, const void *src, uint16 size); |
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175 void (* write_end)(void); |
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176 void (* erase_suspend)(void); |
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177 void (* erase_resume)(void); |
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178 }; |
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179 extern struct ffsdrv_s ffsdrv; |
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180 |
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181 |
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182 /****************************************************************************** |
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183 * Function Prototypes |
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184 ******************************************************************************/ |
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185 |
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186 void ffsdrv_write_byte(void *dst, uint8 value); |
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187 effs_t ffsdrv_init(void); |
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188 |
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189 extern int ffs_ram_image_address; |