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annotate gsm-fw/services/ffs/drv.c @ 963:d69d1e097b18

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rvinterf: g23sh and fc-sendsp are being retired, absorbed into fc-shell
author Mychaela Falconia <falcon@ivan.Harhan.ORG>
date Fri, 06 Nov 2015 22:52:25 +0000
parents 6b0b2f6dbb20
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.c 1.30.1.6.1.51.1.1.1.13.1.11 Tue, 06 Jan 2004 14:36:52 +0100 tsj $
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8 *
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9 ******************************************************************************/
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10
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11 #include "../../include/config.h"
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12 #include "ffs.h"
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13 #include "drv.h"
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14 #include "core.h" /* for FFS_BLOCKS_MAX */
209
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15 #include "ffstrace.h"
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16 #include "intctl.h"
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17 #include "ramffs.h"
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18 #include <string.h>
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19
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20
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21 /******************************************************************************
226
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22 * "Block info" stupidity
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23 ******************************************************************************/
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24
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25 static struct block_info_s block_info[FFS_BLOCKS_MAX];
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26
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27
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28 /******************************************************************************
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29 * Macros
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30 ******************************************************************************/
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31
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32 #define addr2offset(address) ( (int) (address) - (int) dev.base )
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33
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34
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35 /******************************************************************************
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36 * Generic Driver Functions
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37 ******************************************************************************/
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38
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39 // Note: This function is designed for little-endian memory addressing!
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40 void ffsdrv_write_byte(void *dst, uint8 value)
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41 {
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42 uint16 halfword;
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43
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44 tw(tr(TR_FUNC, TrDrvWrite, "ffsdrv_write_byte(0x%05x, 0x%x)\n",
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45 (int) (addr2offset(dst)), value));
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46 ttw(str(TTrDrvWrite, "wb" NL));
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47
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48 if ((int) dst & 1)
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49 halfword = (value << 8) | *((uint8 *) dst - 1);
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50 else
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51 halfword = (*((uint8 *) dst + 1) << 8) | (value);
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52
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53 ffsdrv.write_halfword((uint16 *) ((int) dst & ~1), halfword);
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54 }
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55
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56 void ffsdrv_generic_write(void *dst, const void *src, uint16 size)
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57 {
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58 uint8 *mydst = dst;
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59 const uint8 *mysrc = src;
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60
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61 if (size > 0)
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62 {
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63 if ((unsigned int) mydst & 1) {
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64 ffsdrv_write_byte(mydst++, *mysrc++);
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65 size--;
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66 }
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67 while (size >= 2) {
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68 ffsdrv.write_halfword((uint16 *) mydst,
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69 mysrc[0] | (mysrc[1] << 8));
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70 size -= 2;
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71 mysrc += 2;
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72 mydst += 2;
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73 }
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74 if (size == 1)
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75 ffsdrv_write_byte(mydst++, *mysrc++);
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76 }
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77 }
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78
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79 /******************************************************************************
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80 * Dummy Functions
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81 ******************************************************************************/
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82
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83 int ffsdrv_null_init(void)
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84 {
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85 ttw(ttr(TTrDrvOther, "ffsdrv_null_init()" NL));
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86
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87 return 0;
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88 }
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89
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90 void ffsdrv_null_erase(uint8 block)
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91 {
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92 ttw(ttr(TTrDrvErase, "ffsdrv_null_erase(%d)" NL, block));
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93 }
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94
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95 void ffsdrv_null_write_halfword(volatile uint16 *addr, uint16 value)
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96 {
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97 ttw(ttr(TTrDrvWrite, "ffsdrv_null_write_halfword(0x%x, 0x%x)" NL, addr, value));
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98 }
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99
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100 void ffsdrv_null_write(void *dst, const void *src, uint16 size)
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101 {
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102 ttw(ttr(TTrDrvWrite, "ffsdrv_null_write(0x%x, 0x%x, %d)" NL, dst, src, size));
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103 }
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104
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105 void ffsdrv_null_erase_suspend(void)
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106 {
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107 ttw(str(TTrDrvErase, "ffsdrv_null_erase_suspend()" NL));
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108 }
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109
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110 void ffsdrv_null_erase_resume(void)
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111 {
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112 ttw(str(TTrDrvErase, "ffsdrv_null_erase_resume()" NL));
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113 }
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114
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115 void ffsdrv_null_write_end(void)
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116 {
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117 ttw(str(TTrDrvWrite, "ffsdrv_null_write_end()" NL));
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118 }
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119
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120 void ffsdrv_null_erase_end(void)
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121 {
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122 ttw(str(TTrDrvErase, "ffsdrv_null_erase_end()" NL));
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123 }
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124
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125 /*
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126 * FreeCalypso change from TI: we only compile one flash "driver" type
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127 * based on the build configuration.
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128 */
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129
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130 #if FFS_IN_RAM
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131
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132 /******************************************************************************
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133 * RAM Family Functions
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134 ******************************************************************************/
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135
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136 void ffsdrv_ram_write_halfword(volatile uint16 *dst, uint16 value)
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137 {
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138 *dst = value;
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139 }
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140
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141 #if 0
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142 /* duplicates ffsdrv_generic_write */
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143 void ffsdrv_ram_write(void *dst, const void *src, uint16 size)
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144 {
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diff changeset
145 uint8 *mydst = dst;
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diff changeset
146 const uint8 *mysrc = src;
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147
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148 if (size == 0)
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diff changeset
149 return;
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150 else if (size == 1)
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151 ffsdrv_write_byte(mydst, *mysrc);
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152 else {
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153 if ((int) mydst & 1) {
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154 ffsdrv_write_byte(mydst++, *mysrc++);
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155 size--;
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156 }
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157 while (size >= 2) {
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158 ffsdrv_ram_write_halfword((uint16 *) mydst, mysrc[0]|(mysrc[1] << 8));
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159 size -= 2;
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160 mysrc += 2;
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161 mydst += 2;
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162 }
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163 if (size == 1)
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164 ffsdrv_write_byte(mydst++, *mysrc++);
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165 }
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166 }
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diff changeset
167 #endif
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168
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169 void ffsdrv_ram_erase(uint8 block)
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170 {
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171 int i;
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172 char *addr;
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173
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174 addr = block2addr(block);
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175
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176 for (i = 0; i < (1 << dev.binfo[block].size_ld); i++) {
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177 *addr++ = 0xFF;
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178 }
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179 }
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180
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181 const struct ffsdrv_s ffsdrv = {
218
fee45482aa2a FFS: hopefully-correct initialization for the FFS_IN_RAM configuration
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parents: 209
diff changeset
182 ffsdrv_null_init,
209
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183 ffsdrv_ram_erase,
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184 ffsdrv_ram_write_halfword,
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185 ffsdrv_generic_write,
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186 ffsdrv_null_write_end,
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187 ffsdrv_null_erase_suspend,
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188 ffsdrv_null_erase_resume
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189 };
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190
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191 #elif CONFIG_FLASH_WRITE
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diff changeset
192
940
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Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 226
diff changeset
193 #if FLASH_IS_AMD_MULTIBANK
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parents: 226
diff changeset
194
209
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195 /******************************************************************************
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196 * AMD Dual/Multi Bank Driver Functions
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197 ******************************************************************************/
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198
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199 // All erase and write operations are performed atomically (interrupts
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diff changeset
200 // disabled). Otherwise we cannot trust the value of dev.state and we cannot
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parents:
diff changeset
201 // determine exactly how many of the command words have already been
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parents:
diff changeset
202 // written.
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diff changeset
203
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parents:
diff changeset
204 // in ffs_end() when we resume an erasure that was previously suspended, how
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parents:
diff changeset
205 // does that affect multiple tasks doing that simultaneously?
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diff changeset
206
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parents:
diff changeset
207 void ffsdrv_amd_write_end(void);
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parents:
diff changeset
208 void ffsdrv_amd_erase_end(void);
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diff changeset
209
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diff changeset
210 void ffsdrv_amd_write_halfword(volatile uint16 *addr, uint16 value)
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parents:
diff changeset
211 {
941
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Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 940
diff changeset
212 volatile uint16 *flash = (volatile uint16 *)dev.base;
209
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parents:
diff changeset
213 uint32 cpsr;
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parents:
diff changeset
214
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parents:
diff changeset
215 tlw(led_on(LED_WRITE));
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parents:
diff changeset
216 ttw(ttr(TTrDrvWrite, "wh(%x,%x)" NL, addr, value));
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parents:
diff changeset
217
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parents:
diff changeset
218 dev.addr = addr;
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parents:
diff changeset
219 dev.data = value;
6f4a12b4582f gsm-fw FFS: starting to integrate C code
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parents:
diff changeset
220
6f4a12b4582f gsm-fw FFS: starting to integrate C code
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parents:
diff changeset
221 if (~*addr & value) {
6f4a12b4582f gsm-fw FFS: starting to integrate C code
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parents:
diff changeset
222 ttw(ttr(TTrFatal, "wh(%x,%x->%x) fatal" NL, addr, *addr, value));
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parents:
diff changeset
223 return;
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
224 }
6f4a12b4582f gsm-fw FFS: starting to integrate C code
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parents:
diff changeset
225
6f4a12b4582f gsm-fw FFS: starting to integrate C code
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parents:
diff changeset
226 cpsr = int_disable();
6f4a12b4582f gsm-fw FFS: starting to integrate C code
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parents:
diff changeset
227 tlw(led_toggle(LED_WRITE_SUSPEND));
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parents:
diff changeset
228 dev.state = DEV_WRITE;
941
6b0b2f6dbb20 gsm-fw/services/ffs/drv.c: AMD multi-bank flash driver fixed for Pirelli
Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 940
diff changeset
229 flash[0x555] = 0xAA; // unlock cycle 1
6b0b2f6dbb20 gsm-fw/services/ffs/drv.c: AMD multi-bank flash driver fixed for Pirelli
Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 940
diff changeset
230 flash[0x2AA] = 0x55; // unlock cycle 2
6b0b2f6dbb20 gsm-fw/services/ffs/drv.c: AMD multi-bank flash driver fixed for Pirelli
Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 940
diff changeset
231 flash[0x555] = 0xA0;
209
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parents:
diff changeset
232 *addr = value;
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
233 int_enable(cpsr);
6f4a12b4582f gsm-fw FFS: starting to integrate C code
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parents:
diff changeset
234 tlw(led_toggle(LED_WRITE_SUSPEND));
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parents:
diff changeset
235
6f4a12b4582f gsm-fw FFS: starting to integrate C code
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parents:
diff changeset
236 ffsdrv_amd_write_end();
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parents:
diff changeset
237 }
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
238
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
239 #if 0
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parents:
diff changeset
240 /* duplicates ffsdrv_generic_write */
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parents:
diff changeset
241 void ffsdrv_amd_write(void *dst, const void *src, uint16 size)
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
242 {
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
243 uint8 *mydst = dst;
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
244 const uint8 *mysrc = src;
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
245
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
246 if (size > 0)
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
247 {
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
248 if ((unsigned int) mydst & 1) {
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parents:
diff changeset
249 ffsdrv_write_byte(mydst++, *mysrc++);
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
250 size--;
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
251 }
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
252 while (size >= 2) {
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
253 ffsdrv_amd_write_halfword((uint16 *) mydst,
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
254 mysrc[0] | (mysrc[1] << 8));
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
255 size -= 2;
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
256 mysrc += 2;
6f4a12b4582f gsm-fw FFS: starting to integrate C code
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parents:
diff changeset
257 mydst += 2;
6f4a12b4582f gsm-fw FFS: starting to integrate C code
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parents:
diff changeset
258 }
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
259 if (size == 1)
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
260 ffsdrv_write_byte(mydst++, *mysrc++);
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
261 }
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
262 }
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
263 #endif
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
264
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
265 void ffsdrv_amd_write_end(void)
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
266 {
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
267 while ((*dev.addr ^ dev.data) & 0x80)
6f4a12b4582f gsm-fw FFS: starting to integrate C code
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parents:
diff changeset
268 tlw(led_toggle(LED_WRITE_SUSPEND));
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
269
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
270 dev.state = DEV_READ;
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parents:
diff changeset
271
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
272 tlw(led_off(LED_WRITE));
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
273 }
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
274
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
275 void ffsdrv_amd_erase(uint8 block)
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
276 {
941
6b0b2f6dbb20 gsm-fw/services/ffs/drv.c: AMD multi-bank flash driver fixed for Pirelli
Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 940
diff changeset
277 volatile uint16 *flash = (volatile uint16 *)dev.base;
209
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
278 uint32 cpsr;
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
279
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parents:
diff changeset
280 tlw(led_on(LED_ERASE));
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
281 ttw(ttr(TTrDrvErase, "e(%d)" NL, block));
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
282
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parents:
diff changeset
283 dev.addr = (uint16 *) block2addr(block);
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parents:
diff changeset
284
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parents:
diff changeset
285 cpsr = int_disable();
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
286 dev.state = DEV_ERASE;
941
6b0b2f6dbb20 gsm-fw/services/ffs/drv.c: AMD multi-bank flash driver fixed for Pirelli
Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 940
diff changeset
287 flash[0x555] = 0xAA; // unlock cycle 1
6b0b2f6dbb20 gsm-fw/services/ffs/drv.c: AMD multi-bank flash driver fixed for Pirelli
Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 940
diff changeset
288 flash[0x2AA] = 0x55; // unlock cycle 2
6b0b2f6dbb20 gsm-fw/services/ffs/drv.c: AMD multi-bank flash driver fixed for Pirelli
Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 940
diff changeset
289 flash[0x555] = 0x80;
6b0b2f6dbb20 gsm-fw/services/ffs/drv.c: AMD multi-bank flash driver fixed for Pirelli
Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 940
diff changeset
290 flash[0x555] = 0xAA; // unlock cycle 1
6b0b2f6dbb20 gsm-fw/services/ffs/drv.c: AMD multi-bank flash driver fixed for Pirelli
Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 940
diff changeset
291 flash[0x2AA] = 0x55; // unlock cycle 2
209
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
292 *dev.addr = 0x30; // AMD erase sector command
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
293 int_enable(cpsr);
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
294
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parents:
diff changeset
295 ffsdrv_amd_erase_end();
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
296 }
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
297
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
298 void ffsdrv_amd_erase_end(void)
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
299 {
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
300 while ((*dev.addr & 0x80) == 0)
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
301 ;
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
302
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
303 dev.state = DEV_READ;
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
304
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
305 tlw(led_off(LED_ERASE));
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
306 }
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
307
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
308 void ffsdrv_amd_erase_suspend(void)
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
309 {
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
310 uint32 cpsr;
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
311
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
312 tlw(led_on(LED_ERASE_SUSPEND));
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
313 ttw(str(TTrDrvErase, "es" NL));
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
314
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
315 // if erase has finished then all is ok
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
316 if (*dev.addr & 0x80) {
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
317 ffsdrv_amd_erase_end();
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
318 tlw(led_off(LED_ERASE_SUSPEND));
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
319 return;
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
320 }
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
321
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
322 // NOTEME: As there is no way to be absolutely certain that erase
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
323 // doesn't finish between last poll and the following erase suspend
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
324 // command, we assume that the erase suspend is safe even though the
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
325 // erase IS actually already finished.
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
326
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
327 cpsr = int_disable();
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
328 dev.state = DEV_ERASE_SUSPEND;
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
329 *dev.addr = 0xB0;
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
330
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
331 // Wait for erase suspend to finish
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
332 while ((*dev.addr & 0x80) == 0)
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
333 ;
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
334
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
335 int_enable(cpsr);
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
336 }
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
337
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
338 void ffsdrv_amd_erase_resume(void)
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
339 {
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
340 uint32 cpsr;
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
341
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
342 ttw(str(TTrDrvErase, "er" NL));
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
343
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
344 // NOTEME: See note in erase_suspend()... We assume that the erase
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
345 // resume is safe even though the erase IS actually already finished.
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
346 cpsr = int_disable();
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
347 dev.state = DEV_ERASE;
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
348 *dev.addr = 0x30;
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
349 int_enable(cpsr);
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
350
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
351 tlw(led_off(LED_ERASE_SUSPEND));
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
352 }
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
353
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
354 const struct ffsdrv_s ffsdrv = {
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
355 ffsdrv_null_init,
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
356 ffsdrv_amd_erase,
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
357 ffsdrv_amd_write_halfword,
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
358 ffsdrv_generic_write,
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
359 ffsdrv_amd_write_end,
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
360 ffsdrv_amd_erase_suspend,
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
361 ffsdrv_amd_erase_resume
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
362 };
6f4a12b4582f gsm-fw FFS: starting to integrate C code
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
363
940
0fb9b7f2ef87 gsm-fw/services/ffs/drv.c: Intel single bank flash driver hooked in
Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 226
diff changeset
364 #elif FLASH_IS_INTEL_ONEBANK
0fb9b7f2ef87 gsm-fw/services/ffs/drv.c: Intel single bank flash driver hooked in
Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 226
diff changeset
365
0fb9b7f2ef87 gsm-fw/services/ffs/drv.c: Intel single bank flash driver hooked in
Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 226
diff changeset
366 extern int ffsdrv_ram_intel_sb_init(void);
0fb9b7f2ef87 gsm-fw/services/ffs/drv.c: Intel single bank flash driver hooked in
Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 226
diff changeset
367 extern void ffsdrv_ram_intel_sb_write_halfword(volatile uint16 *addr,
0fb9b7f2ef87 gsm-fw/services/ffs/drv.c: Intel single bank flash driver hooked in
Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 226
diff changeset
368 uint16 value);
0fb9b7f2ef87 gsm-fw/services/ffs/drv.c: Intel single bank flash driver hooked in
Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 226
diff changeset
369 extern void ffsdrv_ram_intel_sb_erase(uint8 block);
0fb9b7f2ef87 gsm-fw/services/ffs/drv.c: Intel single bank flash driver hooked in
Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 226
diff changeset
370
0fb9b7f2ef87 gsm-fw/services/ffs/drv.c: Intel single bank flash driver hooked in
Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 226
diff changeset
371 const struct ffsdrv_s ffsdrv = {
0fb9b7f2ef87 gsm-fw/services/ffs/drv.c: Intel single bank flash driver hooked in
Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 226
diff changeset
372 ffsdrv_ram_intel_sb_init,
0fb9b7f2ef87 gsm-fw/services/ffs/drv.c: Intel single bank flash driver hooked in
Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 226
diff changeset
373 ffsdrv_ram_intel_sb_erase,
0fb9b7f2ef87 gsm-fw/services/ffs/drv.c: Intel single bank flash driver hooked in
Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 226
diff changeset
374 ffsdrv_ram_intel_sb_write_halfword,
0fb9b7f2ef87 gsm-fw/services/ffs/drv.c: Intel single bank flash driver hooked in
Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 226
diff changeset
375 ffsdrv_generic_write,
0fb9b7f2ef87 gsm-fw/services/ffs/drv.c: Intel single bank flash driver hooked in
Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 226
diff changeset
376 ffsdrv_null_write_end,
0fb9b7f2ef87 gsm-fw/services/ffs/drv.c: Intel single bank flash driver hooked in
Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 226
diff changeset
377 ffsdrv_null_erase_suspend,
0fb9b7f2ef87 gsm-fw/services/ffs/drv.c: Intel single bank flash driver hooked in
Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 226
diff changeset
378 ffsdrv_null_erase_resume
0fb9b7f2ef87 gsm-fw/services/ffs/drv.c: Intel single bank flash driver hooked in
Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 226
diff changeset
379 };
0fb9b7f2ef87 gsm-fw/services/ffs/drv.c: Intel single bank flash driver hooked in
Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 226
diff changeset
380
0fb9b7f2ef87 gsm-fw/services/ffs/drv.c: Intel single bank flash driver hooked in
Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 226
diff changeset
381 #else
0fb9b7f2ef87 gsm-fw/services/ffs/drv.c: Intel single bank flash driver hooked in
Mychaela Falconia <falcon@ivan.Harhan.ORG>
parents: 226
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382
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383 #error "Flash hardware type unknown"
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384
0fb9b7f2ef87 gsm-fw/services/ffs/drv.c: Intel single bank flash driver hooked in
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385 #endif /* flash hardware type */
0fb9b7f2ef87 gsm-fw/services/ffs/drv.c: Intel single bank flash driver hooked in
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386
209
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387 #else
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388
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389 /*
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390 * This part will get compiled if we have real FFS (FFS_IN_RAM=0),
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391 * but not allowed to write to flash (CONFIG_FLASH_WRITE=0).
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392 */
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393
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394 const struct ffsdrv_s ffsdrv = {
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395 ffsdrv_null_init,
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396 ffsdrv_null_erase,
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397 ffsdrv_null_write_halfword,
6f4a12b4582f gsm-fw FFS: starting to integrate C code
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398 ffsdrv_null_write,
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399 ffsdrv_null_write_end,
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400 ffsdrv_null_erase_suspend,
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401 ffsdrv_null_erase_resume
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402 };
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403
6f4a12b4582f gsm-fw FFS: starting to integrate C code
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404 #endif
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405
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406
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407 /******************************************************************************
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408 * Initialization
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409 *
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410 * Significantly simplified in FreeCalypso.
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411 *
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412 ******************************************************************************/
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413
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414 effs_t ffsdrv_init(void)
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415 {
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416 int error;
226
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417 unsigned i;
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418 uint32 offset;
209
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419
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420 tw(tr(TR_BEGIN, TrDrvInit, "drv_init() {\n"));
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421 ttw(str(TTrDrvOther, "ffsdrv_init() {" NL));
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diff changeset
422
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423 dev.state = DEV_READ;
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diff changeset
424 dev.atomlog2 = FFS_ATOM_LOG2;
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425 dev.atomsize = 1 << dev.atomlog2;
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426 dev.atomnotmask = dev.atomsize - 1;
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diff changeset
427
226
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428 offset = 0;
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diff changeset
429 for (i = 0; i < dev.numblocks; i++) {
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diff changeset
430 block_info[i].offset = offset;
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diff changeset
431 block_info[i].size_ld = dev.blocksize_ld;
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diff changeset
432 offset += dev.blocksize;
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433 }
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diff changeset
434 dev.binfo = block_info;
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diff changeset
435
209
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436 error = ffsdrv.init();
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parents:
diff changeset
437
6f4a12b4582f gsm-fw FFS: starting to integrate C code
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diff changeset
438 tw(tr(TR_FUNC, TrDrvInit, "dev.binfo = 0x%x\n", (unsigned int) dev.binfo));
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parents:
diff changeset
439 tw(tr(TR_FUNC, TrDrvInit, "dev.base = 0x%x\n", (unsigned int) dev.base));
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parents:
diff changeset
440 tw(tr(TR_FUNC, TrDrvInit, "dev.numblocks = %d\n", dev.numblocks));
6f4a12b4582f gsm-fw FFS: starting to integrate C code
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parents:
diff changeset
441 tw(tr(TR_FUNC, TrDrvInit, "dev.blocksize = %d\n", dev.blocksize));
6f4a12b4582f gsm-fw FFS: starting to integrate C code
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parents:
diff changeset
442 tw(tr(TR_FUNC, TrDrvInit, "dev.atomlog2/atomsize/atomnotmask = %d/%d/%x\n",
6f4a12b4582f gsm-fw FFS: starting to integrate C code
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parents:
diff changeset
443 dev.atomlog2, dev.atomsize, dev.atomnotmask));
6f4a12b4582f gsm-fw FFS: starting to integrate C code
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parents:
diff changeset
444 tw(tr(TR_END, TrDrvInit, "} %d\n", error));
6f4a12b4582f gsm-fw FFS: starting to integrate C code
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parents:
diff changeset
445 ttw(ttr(TTrDrvOther, "} %d" NL, error));
6f4a12b4582f gsm-fw FFS: starting to integrate C code
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parents:
diff changeset
446
6f4a12b4582f gsm-fw FFS: starting to integrate C code
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parents:
diff changeset
447 return error;
6f4a12b4582f gsm-fw FFS: starting to integrate C code
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diff changeset
448 }