FreeCalypso > hg > freecalypso-sw

annotate gsm-fw/services/ffs/drv.h @ 992:a7b0b426f9ca

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target-utils: boot ROM UART autodetection revamped The new implementation should work with both the familiar Calypso C035 boot ROM version found in our regular targets as well as the older Calypso F741979B version found on the vintage D-Sample board.
author Mychaela Falconia <falcon@ivan.Harhan.ORG>
date Wed, 30 Dec 2015 21:28:41 +0000
parents 6f4a12b4582f
children
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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 #define TARGET 1
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13 #define _RVF 1
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14 #endif
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15
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16 /******************************************************************************
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17 * Compile constants
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18 ******************************************************************************/
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19
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20 // FFS driver version (in four-digit BCD format). Format is MMID, where MM
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21 // is major revision number, incremented e.g. for major revision or support
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22 // for new flash family/driver. I is minor revision that is incremented for
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23 // minor changes or when a bug is corrected. D is incremented when support
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24 // of another device is added.
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25 #define FFS_DRV_VERSION ((uint16) 0x1011)
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26
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27 // Default Allocation granularity of ffs data sectors (as power of two)
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28 #define FFS_ATOM_LOG2 4
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29
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30
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31 /******************************************************************************
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32 * Macros
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33 ******************************************************************************/
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34
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35 // Convert between address and block index. Only works if all blocks are the
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36 // same size!
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37 #define block2addr(block) (dev.base + dev.binfo[block].offset)
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38
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39 // Note that it is *VERY* important that pointers to hardware and flash are
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40 // declared volatile, otherwise the compiler optimizes some reads and writes
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41 // out and this results in non-working code!
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42 #define FLASH_WRITE_HALFWORD(addr, data) *(volatile uint16 *) (addr) = (data)
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43 #define FLASH_READ_HALFWORD(addr) *((volatile uint16 *) (addr))
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44
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45 #if (TARGET == 1)
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46
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47 #include "../../include/config.h"
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48 #include "../../bsp/mem.h"
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49 #if (CHIPSET == 12)
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50 #include "sys_inth.h"
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51 #else
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52 #include "../../bsp/inth.h"
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53 #endif
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54
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55 #if (CHIPSET == 3)
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56 #define INT_REQUESTED (*(volatile uint16 *) INTH_IT_REG) & \
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57 ~(*(volatile uint16 *) INTH_MASK_REG)
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58 #elif (CHIPSET == 4 || CHIPSET == 5 || CHIPSET == 6 || CHIPSET == 7 || CHIPSET == 8 || CHIPSET == 9 || CHIPSET == 10 || CHIPSET == 11)
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59 #define INT_REQUESTED ((*(volatile uint16 *) INTH_IT_REG1) & \
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60 ~(*(volatile uint16 *) INTH_MASK_REG1)) || \
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61 ((*(volatile uint16 *) INTH_IT_REG2) & \
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62 ~(*(volatile uint16 *) INTH_MASK_REG2))
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63 #elif (CHIPSET == 12)
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64 #define INT_REQUESTED ((*(volatile uint16 *) C_INTH_IT_REG1) & \
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65 ~(*(volatile uint16 *) C_INTH_MASK_REG1)) || \
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66 ((*(volatile uint16 *) C_INTH_IT_REG2) & \
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67 ~(*(volatile uint16 *) C_INTH_MASK_REG2))
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68 #endif
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69 #endif // (TARGET == 1)
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70
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71
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72 /******************************************************************************
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73 * Types
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74 ******************************************************************************/
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75
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76 // Flash driver identifiers.
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77 enum FFS_DRIVER {
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78 FFS_DRIVER_NULL = 0, // Null driver
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79
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80 FFS_DRIVER_AMD = 2, // AMD dual/multi-bank driver
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81 FFS_DRIVER_AMD_SB = 3, // AMD single-bank driver
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82
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83 FFS_DRIVER_SST = 8, // SST dual/multi-bank driver
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84 FFS_DRIVER_SST_SB = 9, // SST single-bank driver
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85
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86 FFS_DRIVER_INTEL = 16, // Intel dual/multi-bank driver
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87 FFS_DRIVER_INTEL_SB = 17, // Intel single-bank driver
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88
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89 FFS_DRIVER_AMD_PSEUDO_SB = 32, // Test driver
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90 FFS_DRIVER_TEST = 34, // Test driver
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91
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92 FFS_DRIVER_RAM = 64 // Ram driver
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93 };
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94
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95
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96 // Manufacturer identifiers. These should never have to be changed. They are
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97 // ordered in alphabetically ascending order.
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98 enum FFS_MANUFACTURER {
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99 MANUFACT_AMD = 0x01,
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100 MANUFACT_ATMEL = 0x1F,
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101 MANUFACT_FUJITSU = 0x04,
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102 MANUFACT_INTEL = 0x89,
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103 MANUFACT_MXIC = 0xC2,
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104 MANUFACT_SAMSUNG = 0xEC,
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105 MANUFACT_SHARP = 0xB0,
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106 MANUFACT_SST = 0xBF,
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107 MANUFACT_TOSHIBA = 0x98,
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108 MANUFACT_RAM = 0xFE, // Ram
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109 MANUFACT_TEST = 0x54 // 'T'est manufacturer
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110 };
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111
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112
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113 // Flash block information for one ffs block (flash sector). Note that the
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114 // ffs block definition might be of a smaller size then the physical flash
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115 // sector. The ffs blocks must be defined in ascending order of addresses.
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116 struct block_info_s {
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117 uint32 offset;
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118 uint8 size_ld; // log2 of block size
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119 uint8 unused1;
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120 uint8 unused2;
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121 uint8 unused3;
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122 };
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123
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124
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125 // General flash information for one flash device
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126 struct flash_info_s {
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127 const struct block_info_s *binfo; // block info array for this device
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128 char *base; // base flash address of ffs blocks
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129 uint16 manufact; // read with flash A0 = 0
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130 uint16 device; // read with flash A0 = 1
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131 uint8 driver; // flash driver type
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132 uint8 numblocks; // number of blocks defined for use by ffs
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133 };
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134 extern const struct flash_info_s flash_info[];
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135
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136 enum DEVICE_STATE {
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137 DEV_READ,
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138 DEV_ERASE,
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139 DEV_ERASE_SUSPEND,
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140 DEV_WRITE
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141 };
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142
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143
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144 // Note that it is *VERY* important that pointers to hardware and flash are
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145 // declared volatile, otherwise the compiler optimizes some reads and writes
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146 // out and this results in non-working code!
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147 struct dev_s {
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148 char *base; // base flash address of ffs blocks
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149 struct block_info_s *binfo;
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150 uint16 manufact;
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151 uint16 device;
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152 volatile uint16 *addr; // address being written or erased
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153 uint16 data; // data currently being written (dev.state = WRITE)
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154 uint32 blocksize;
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155 uint8 blocksize_ld;
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156 uint8 atomlog2;
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157 uint8 driver;
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158 uint8 state; // state of device (DEVICE_STATE)
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159 uint8 numblocks;
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160 uint8 atomsize;
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161 uint8 atomnotmask;
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162 };
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163 extern struct dev_s dev;
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164
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165
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166 // Flash low level driver function pointers
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167 struct ffsdrv_s {
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168 int (* init)(void);
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169 void (* erase)(uint8 block);
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170 void (* write_halfword)(volatile uint16 *dst, uint16 value);
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171 void (* write)(void *dst, const void *src, uint16 size);
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172 void (* write_end)(void);
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173 void (* erase_suspend)(void);
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174 void (* erase_resume)(void);
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175 };
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176 extern const struct ffsdrv_s ffsdrv; /* const added for FreeCalypso */
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177
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178
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179 /******************************************************************************
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180 * Function Prototypes
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181 ******************************************************************************/
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182
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183 void ffsdrv_write_byte(void *dst, uint8 value);
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184 effs_t ffsdrv_init(void);
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185
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186 //extern int ffs_ram_image_address;
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187 // We do it in a different way in FreeCalypso