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Add support for K-series (synchronous) strataflash parts.
author msalter
date Mon, 12 Aug 2002 12:20:49 +0000
parents d2c90368aeef
children 59e96106029e
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845276b93eaa Add support for K-series (synchronous) strataflash parts.
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1 2002-08-12 Mark Salter <msalter@redhat.com>
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2
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3 * src/flash_unlock_block.c: Add synchronous strataflash support.
845276b93eaa Add support for K-series (synchronous) strataflash parts.
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4 * src/strata.h: Add comments regarding synchronous strataflash.
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6 2002-04-30 Christoph Csebits <christoph.csebits@frequentis.com>
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7
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8 * src/flash_unlock_block.c: Getting the current block lock
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9 state for flashes in 8-Bit mode is now working correctly.
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10
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11 2002-04-16 Jonathan Larmour <jlarmour@redhat.com>
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13 * cdl/flash_strata.cdl: Invoke $(CC) with $(CFLAGS) to ensure the
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14 correct flags are passed.
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15
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16 2002-04-12 Gary Thomas <gthomas@redhat.com>
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17
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18 * src/strata.c: Clean up warnings.
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19
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20 2002-01-22 Mark Salter <msalter@redhat.com>
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21
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22 * cdl/flash_strata.cdl: Add ".text" before "_end" markers in .s files.
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24 2001-10-23 Hugo Tyson <hmt@redhat.com>
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25
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26 * cdl/flash_strata.cdl: Provide an option so that RedBoot .ecm
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27 files can turn off the functionality of copying flash driver code
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28 to separate RAM for execution; it's not needed for RAM and ROMRAM
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29 startup, and for some platforms it is required to *not* copy thus.
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31 2001-08-25 Gary Thomas <gthomas@redhat.com>
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32
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33 * src/flash_program_buf.c (flash_program_buf): Allow configuration
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34 specific code sequence for actual writing of data. Define by the
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35 macro CYGHWR_FLASH_WRITE_ELEM. Note: this is required on some
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36 hardware, like the Intel SA185, which handles flash writes in
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37 strange/obscure fashion.
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38
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39 2001-07-17 Jeroen Dobbelaere <jeroen.dobbelaere@acunia.com>
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40
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41 * src/flash_query.c (flash_query): Query needs to be done on even
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42 addresses for byte-enabled strata flash
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43
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44 * src/flash_program_buf.c (flash_program_buf): Fix of conversion of
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45 write buffer length (in bytes) to the length in 'flash_t' words.
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47 2001-06-22 Hugo Tyson <hmt@redhat.com>
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48
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49 * src/strata.c (flash_hwr_init): Need to refer to the query code
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50 as extern char flash_query[], flash_query_end[]; (with the []) or
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51 MIPS code gen assumes these are short offsets and linking fails.
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52 The generic flash code in io/flash already uses this idiom.
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53
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54 2001-06-22 Hugo Tyson <hmt@redhat.com>
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55
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56 * src/strata.c (flash_hwr_init): Warnings reduced. No arithmetic
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57 on void *.
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58
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59 2001-06-21 Hugo Tyson <hmt@redhat.com>
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60
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61 * src/flash_program_buf.c (flash_program_buf): The buffered write
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62 code didn't jump out if there was a write error, nor verify the
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63 data by reading back. This isn't consistent with the slow case,
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64 and made it take an age if the device is unhappy, and then report
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65 a bizarre error code. Both issues fixed.
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66
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67 2001-06-21 Hugo Tyson <hmt@redhat.com>
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69 * src/strata.c (flash_hwr_init): If shrinking to fit, must also
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70 adjust the flash_info.blocks field, else unlock crashes trying to
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71 get status of all those extra blocks that we cannot actually see.
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73 2001-06-11 Gary Thomas <gthomas@redhat.com>
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74
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75 * src/strata.c: Remove dependency on printf() via user functions.
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77 2001-06-07 Hugo Tyson <hmt@redhat.com>
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78
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79 * src/strata.c (flash_hwr_init): If we find a flash device that is
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80 larger than is possible given the memory map, shrink to fit.
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81 We know about the memory map from CYGNUM_FLASH_BASE_MASK (if
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82 defined); it tells us the stride from one device to another.
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83
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84 This is to cope with installing, say, a 28F640 in a slot designed
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85 for a 28F320 because of supply issues - it all works fine so long
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86 as A22 is grounded.
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87
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88 2001-05-23 Jesper Skov <jskov@redhat.com>
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89
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90 * cdl/flash_strata.cdl: Needs IO driver to copy functions to RAM.
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91
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92 2001-04-26 Gary Thomas <gthomas@redhat.com>
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93
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94 * src/strata.c: Be more careful when enable/flush/disable caches.
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95
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96 * src/flash_erase_block.c (flash_erase_block): Boot block devices
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97 may require additional erase commands to erase entire 'block'.
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99 2001-03-21 Hugo Tyson <hmt@redhat.com>
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100
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101 * src/strata.h (FLASH_Write_Buffer): Do not define this if
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102 CYGOPT_FLASH_IS_NOT_ADVANCED is defined; Advanced (xxxJ3) flash is
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103 usual these days. Also added documentation of the options that
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104 can be used to control this module.
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105
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106 * src/flash_program_buf.c (flash_program_buf): Reduce warnings
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107 about unused variables if no FLASH_Write_Buffer command available.
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108
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109 2001-03-21 Gary Thomas <gthomas@redhat.com>
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110
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111 * src/flash_program_buf.c (flash_program_buf): Buffered write code
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112 fixups, only on platforms with it defined.
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113
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114 2001-03-17 Gary Thomas <gthomas@redhat.com>
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115
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116 * src/strata.h:
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117 * src/strata.c: Support buffered writes.
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118
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119 * src/flash_program_buf.c: Use buffered writes if possible. This
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120 mode allows the chip to do parallelized writes which is much faster.
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121 It does require additional information, now provided by upper layer.
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122
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123 2001-02-15 Hugo Tyson <hmt@redhat.com>
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124
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125 * src/flash_query.c (flash_query): Depending on whether
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126 CYGOPT_FLASH_IS_BOOTBLOCK (just a #define from the instantiator,
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127 not really a cdl_option) is set, do the full Read_Query or just
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128 acquire two codes for manufacturer and device type using Read_ID.
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129
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130 * src/strata.c (flash_hwr_init): Again depending on whether
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131 CYGOPT_FLASH_IS_BOOTBLOCK, decode the device type into a size and
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132 so on, or use the full Read_Query data as before.
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133
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134 * src/strata.h (FLASH_Read_ID): Undefine those commands which we
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135 do not use. Conditionally define those that we use depending on
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136 CYGOPT_FLASH_IS_BOOTBLOCK. Thus we should be able to deal with
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137 StrataFlash and BootBlock flash with the same code.
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138
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139 * cdl/flash_strata.cdl: Do not implement (in the CDL sense)
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140 CYGHWR_IO_FLASH_BLOCK_LOCKING leave it up to the instantiating
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141 package instead. Also move the build of the two objects that do
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142 locking and unlocking into a compenent which is only active if
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143 CYGHWR_IO_FLASH_BLOCK_LOCKING is indeed (requested to be)
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144 implemented somewhere.
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145
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146 2001-02-14 Hugo Tyson <hmt@redhat.com>
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147
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148 * devs/flash/intel/strata/...: New package, generic strataFlash
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149 driver based on several others; a portion of its history
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150 follows...
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151
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152 flash.h -> strata.h
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153 flash<platform>.c -> strata.c
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154
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155 2001-02-06 Hugo Tyson <hmt@redhat.com>
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156
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157 * src/flash.h: Much more generic again. Not yet separated into
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158 generic component and invocation header, but the structure is
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159 there. Also included support for a mapping from the physical
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160 flash address we're thinking of to the virtual address we use to
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161 access it. More documentation. Generalization to 8,16,32 and
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162 64-bit access, made up from 8,16 or 32-bit devices. Command and
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163 status macros modified to accommodate these options.
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164
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165 * src/flash_lock_block.c (flash_lock_block):
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166 * src/flash_erase_block.c (flash_erase_block):
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167 * src/flash_query.c (flash_query):
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168 * src/flash_program_buf.c (flash_program_buf):
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169 All now acquire when possible the ROM address from the block
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170 address, and use the physical to virtual macro as needed.
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171
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172 * src/flash_unlock_block.c (flash_unlock_block):
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173 The same changes, but a little more complex because of the need to
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174 clear-all then re-lock some semantics. Shadow pointer to virtual
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175 address is used each time round the loop.
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176
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177 * cdl/flash_strata.cdl: Add explicit dependencies on flash.h, for
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178 there were none - or they were ignored - for the specially built
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179 compilation units that get copied to RAM for execution.
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180
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181 2001-02-01 Hugo Tyson <hmt@redhat.com>
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182
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183 * all: copied from the assabet flash driver.
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184
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185 2000-12-05 Jonathan Larmour <jlarmour@redhat.com>
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186
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187 * src/assabet_flash.c (flash_code_overlaps): Define stext/etext
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188 as array types so no assumptions can be made by the compiler about
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189 location.
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190
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191 2000-10-24 Gary Thomas <gthomas@redhat.com>
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192
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193 * src/flash_unlock_block.c (flash_unlock_block):
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194 * src/flash_lock_block.c (flash_lock_block):
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195 * src/flash_program_buf.c (flash_program_buf):
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196 * src/flash_erase_block.c (flash_erase_block): Support up to 32M FLASH.
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197
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198 2000-09-10 Gary Thomas <gthomas@redhat.com>
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199
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200 * src/flash_unlock_block.c:
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201 * src/flash_lock_block.c: New file(s).
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202
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203 * src/flash.h:
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204 * cdl/flash_assabet.cdl: Add region locking functions.
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205
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206 2000-08-29 Gary Thomas <gthomas@redhat.com>
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207
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208 * src/assabet_flash.c: Improve error decoding.
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209
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210 2000-08-24 Gary Thomas <gthomas@redhat.com>
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211
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212 * src/flash_query.c:
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213 * src/flash_erase_block.c:
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214 * src/flash.h: FLASH support for Intel SA1110 Assabet.
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215
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216 //===========================================================================
208
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217 //####ECOSGPLCOPYRIGHTBEGIN####
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218 // -------------------------------------------
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219 // This file is part of eCos, the Embedded Configurable Operating System.
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220 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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221 //
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222 // eCos is free software; you can redistribute it and/or modify it under
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223 // the terms of the GNU General Public License as published by the Free
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224 // Software Foundation; either version 2 or (at your option) any later version.
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225 //
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226 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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227 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
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228 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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229 // for more details.
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230 //
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231 // You should have received a copy of the GNU General Public License along
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232 // with eCos; if not, write to the Free Software Foundation, Inc.,
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233 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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234 //
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235 // As a special exception, if other files instantiate templates or use macros
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236 // or inline functions from this file, or you compile this file and link it
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237 // with other works to produce a work based on this file, this file does not
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238 // by itself cause the resulting work to be covered by the GNU General Public
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239 // License. However the source code for this file must still be made available
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240 // in accordance with section (3) of the GNU General Public License.
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241 //
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242 // This exception does not invalidate any other reasons why a work based on
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243 // this file might be covered by the GNU General Public License.
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244 //
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245 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
210
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246 // at http://sources.redhat.com/ecos/ecos-license/
208
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247 // -------------------------------------------
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248 //####ECOSGPLCOPYRIGHTEND####
156
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249 //===========================================================================