Mercurial > flash_v2

annotate packages/devs/flash/intel/strata/current/ChangeLog @ 903:59e96106029e

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* src/flash_lock_block.c (flash_lock_block): * src/flash_unlock_block.c (flash_unlock_block): * src/flash_erase_block.c (flash_erase_block): * src/flash_query.c (flash_query): * src/flash_program_buf.c (flash_program_buf): Cache enabling and disabling are already handled by generic flash
author jlarmour
date Fri, 04 Apr 2003 04:23:53 +0000
parents 845276b93eaa
children 26aa16c08c2e
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903
59e96106029e * src/flash_lock_block.c (flash_lock_block):
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1 2002-04-03 Jani Monoses <jani@iv.ro>
59e96106029e * src/flash_lock_block.c (flash_lock_block):
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2
59e96106029e * src/flash_lock_block.c (flash_lock_block):
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3 * src/flash_lock_block.c (flash_lock_block):
59e96106029e * src/flash_lock_block.c (flash_lock_block):
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4 * src/flash_unlock_block.c (flash_unlock_block):
59e96106029e * src/flash_lock_block.c (flash_lock_block):
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5 * src/flash_erase_block.c (flash_erase_block):
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6 * src/flash_query.c (flash_query):
59e96106029e * src/flash_lock_block.c (flash_lock_block):
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7 * src/flash_program_buf.c (flash_program_buf):
59e96106029e * src/flash_lock_block.c (flash_lock_block):
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8 Cache enabling and disabling are already handled by generic flash
59e96106029e * src/flash_lock_block.c (flash_lock_block):
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9
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845276b93eaa Add support for K-series (synchronous) strataflash parts.
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10 2002-08-12 Mark Salter <msalter@redhat.com>
845276b93eaa Add support for K-series (synchronous) strataflash parts.
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11
845276b93eaa Add support for K-series (synchronous) strataflash parts.
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12 * src/flash_unlock_block.c: Add synchronous strataflash support.
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13 * src/strata.h: Add comments regarding synchronous strataflash.
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15 2002-04-30 Christoph Csebits <christoph.csebits@frequentis.com>
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16
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17 * src/flash_unlock_block.c: Getting the current block lock
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18 state for flashes in 8-Bit mode is now working correctly.
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19
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20 2002-04-16 Jonathan Larmour <jlarmour@redhat.com>
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21
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22 * cdl/flash_strata.cdl: Invoke $(CC) with $(CFLAGS) to ensure the
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23 correct flags are passed.
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24
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25 2002-04-12 Gary Thomas <gthomas@redhat.com>
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26
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27 * src/strata.c: Clean up warnings.
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28
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29 2002-01-22 Mark Salter <msalter@redhat.com>
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31 * cdl/flash_strata.cdl: Add ".text" before "_end" markers in .s files.
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33 2001-10-23 Hugo Tyson <hmt@redhat.com>
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34
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35 * cdl/flash_strata.cdl: Provide an option so that RedBoot .ecm
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36 files can turn off the functionality of copying flash driver code
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37 to separate RAM for execution; it's not needed for RAM and ROMRAM
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38 startup, and for some platforms it is required to *not* copy thus.
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40 2001-08-25 Gary Thomas <gthomas@redhat.com>
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41
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42 * src/flash_program_buf.c (flash_program_buf): Allow configuration
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43 specific code sequence for actual writing of data. Define by the
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44 macro CYGHWR_FLASH_WRITE_ELEM. Note: this is required on some
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45 hardware, like the Intel SA185, which handles flash writes in
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46 strange/obscure fashion.
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47
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48 2001-07-17 Jeroen Dobbelaere <jeroen.dobbelaere@acunia.com>
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49
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50 * src/flash_query.c (flash_query): Query needs to be done on even
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51 addresses for byte-enabled strata flash
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52
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53 * src/flash_program_buf.c (flash_program_buf): Fix of conversion of
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54 write buffer length (in bytes) to the length in 'flash_t' words.
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55
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56 2001-06-22 Hugo Tyson <hmt@redhat.com>
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57
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58 * src/strata.c (flash_hwr_init): Need to refer to the query code
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59 as extern char flash_query[], flash_query_end[]; (with the []) or
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60 MIPS code gen assumes these are short offsets and linking fails.
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61 The generic flash code in io/flash already uses this idiom.
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62
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63 2001-06-22 Hugo Tyson <hmt@redhat.com>
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64
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65 * src/strata.c (flash_hwr_init): Warnings reduced. No arithmetic
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66 on void *.
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67
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68 2001-06-21 Hugo Tyson <hmt@redhat.com>
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70 * src/flash_program_buf.c (flash_program_buf): The buffered write
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71 code didn't jump out if there was a write error, nor verify the
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72 data by reading back. This isn't consistent with the slow case,
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73 and made it take an age if the device is unhappy, and then report
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74 a bizarre error code. Both issues fixed.
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75
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76 2001-06-21 Hugo Tyson <hmt@redhat.com>
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77
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78 * src/strata.c (flash_hwr_init): If shrinking to fit, must also
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79 adjust the flash_info.blocks field, else unlock crashes trying to
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80 get status of all those extra blocks that we cannot actually see.
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81
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82 2001-06-11 Gary Thomas <gthomas@redhat.com>
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83
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84 * src/strata.c: Remove dependency on printf() via user functions.
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85
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86 2001-06-07 Hugo Tyson <hmt@redhat.com>
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87
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88 * src/strata.c (flash_hwr_init): If we find a flash device that is
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89 larger than is possible given the memory map, shrink to fit.
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90 We know about the memory map from CYGNUM_FLASH_BASE_MASK (if
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91 defined); it tells us the stride from one device to another.
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92
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93 This is to cope with installing, say, a 28F640 in a slot designed
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94 for a 28F320 because of supply issues - it all works fine so long
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95 as A22 is grounded.
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96
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97 2001-05-23 Jesper Skov <jskov@redhat.com>
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98
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99 * cdl/flash_strata.cdl: Needs IO driver to copy functions to RAM.
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101 2001-04-26 Gary Thomas <gthomas@redhat.com>
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102
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103 * src/strata.c: Be more careful when enable/flush/disable caches.
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104
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105 * src/flash_erase_block.c (flash_erase_block): Boot block devices
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106 may require additional erase commands to erase entire 'block'.
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107
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108 2001-03-21 Hugo Tyson <hmt@redhat.com>
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109
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110 * src/strata.h (FLASH_Write_Buffer): Do not define this if
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111 CYGOPT_FLASH_IS_NOT_ADVANCED is defined; Advanced (xxxJ3) flash is
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112 usual these days. Also added documentation of the options that
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113 can be used to control this module.
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114
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115 * src/flash_program_buf.c (flash_program_buf): Reduce warnings
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116 about unused variables if no FLASH_Write_Buffer command available.
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117
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118 2001-03-21 Gary Thomas <gthomas@redhat.com>
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119
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120 * src/flash_program_buf.c (flash_program_buf): Buffered write code
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121 fixups, only on platforms with it defined.
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122
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123 2001-03-17 Gary Thomas <gthomas@redhat.com>
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124
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125 * src/strata.h:
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126 * src/strata.c: Support buffered writes.
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127
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128 * src/flash_program_buf.c: Use buffered writes if possible. This
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129 mode allows the chip to do parallelized writes which is much faster.
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130 It does require additional information, now provided by upper layer.
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131
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132 2001-02-15 Hugo Tyson <hmt@redhat.com>
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134 * src/flash_query.c (flash_query): Depending on whether
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135 CYGOPT_FLASH_IS_BOOTBLOCK (just a #define from the instantiator,
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136 not really a cdl_option) is set, do the full Read_Query or just
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137 acquire two codes for manufacturer and device type using Read_ID.
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138
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139 * src/strata.c (flash_hwr_init): Again depending on whether
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140 CYGOPT_FLASH_IS_BOOTBLOCK, decode the device type into a size and
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141 so on, or use the full Read_Query data as before.
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142
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143 * src/strata.h (FLASH_Read_ID): Undefine those commands which we
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144 do not use. Conditionally define those that we use depending on
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145 CYGOPT_FLASH_IS_BOOTBLOCK. Thus we should be able to deal with
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146 StrataFlash and BootBlock flash with the same code.
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147
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148 * cdl/flash_strata.cdl: Do not implement (in the CDL sense)
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149 CYGHWR_IO_FLASH_BLOCK_LOCKING leave it up to the instantiating
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150 package instead. Also move the build of the two objects that do
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151 locking and unlocking into a compenent which is only active if
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152 CYGHWR_IO_FLASH_BLOCK_LOCKING is indeed (requested to be)
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153 implemented somewhere.
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154
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155 2001-02-14 Hugo Tyson <hmt@redhat.com>
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156
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157 * devs/flash/intel/strata/...: New package, generic strataFlash
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158 driver based on several others; a portion of its history
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159 follows...
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160
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161 flash.h -> strata.h
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162 flash<platform>.c -> strata.c
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163
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164 2001-02-06 Hugo Tyson <hmt@redhat.com>
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165
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166 * src/flash.h: Much more generic again. Not yet separated into
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167 generic component and invocation header, but the structure is
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168 there. Also included support for a mapping from the physical
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169 flash address we're thinking of to the virtual address we use to
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170 access it. More documentation. Generalization to 8,16,32 and
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171 64-bit access, made up from 8,16 or 32-bit devices. Command and
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172 status macros modified to accommodate these options.
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173
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174 * src/flash_lock_block.c (flash_lock_block):
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175 * src/flash_erase_block.c (flash_erase_block):
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176 * src/flash_query.c (flash_query):
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177 * src/flash_program_buf.c (flash_program_buf):
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178 All now acquire when possible the ROM address from the block
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179 address, and use the physical to virtual macro as needed.
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180
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181 * src/flash_unlock_block.c (flash_unlock_block):
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182 The same changes, but a little more complex because of the need to
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183 clear-all then re-lock some semantics. Shadow pointer to virtual
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184 address is used each time round the loop.
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185
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186 * cdl/flash_strata.cdl: Add explicit dependencies on flash.h, for
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187 there were none - or they were ignored - for the specially built
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188 compilation units that get copied to RAM for execution.
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189
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190 2001-02-01 Hugo Tyson <hmt@redhat.com>
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191
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192 * all: copied from the assabet flash driver.
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193
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194 2000-12-05 Jonathan Larmour <jlarmour@redhat.com>
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195
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196 * src/assabet_flash.c (flash_code_overlaps): Define stext/etext
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197 as array types so no assumptions can be made by the compiler about
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198 location.
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199
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200 2000-10-24 Gary Thomas <gthomas@redhat.com>
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201
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202 * src/flash_unlock_block.c (flash_unlock_block):
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203 * src/flash_lock_block.c (flash_lock_block):
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204 * src/flash_program_buf.c (flash_program_buf):
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205 * src/flash_erase_block.c (flash_erase_block): Support up to 32M FLASH.
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206
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207 2000-09-10 Gary Thomas <gthomas@redhat.com>
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208
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209 * src/flash_unlock_block.c:
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210 * src/flash_lock_block.c: New file(s).
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211
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212 * src/flash.h:
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213 * cdl/flash_assabet.cdl: Add region locking functions.
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214
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215 2000-08-29 Gary Thomas <gthomas@redhat.com>
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216
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217 * src/assabet_flash.c: Improve error decoding.
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218
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219 2000-08-24 Gary Thomas <gthomas@redhat.com>
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220
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221 * src/flash_query.c:
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222 * src/flash_erase_block.c:
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223 * src/flash.h: FLASH support for Intel SA1110 Assabet.
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224
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225 //===========================================================================
208
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226 //####ECOSGPLCOPYRIGHTBEGIN####
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227 // -------------------------------------------
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228 // This file is part of eCos, the Embedded Configurable Operating System.
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229 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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230 //
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231 // eCos is free software; you can redistribute it and/or modify it under
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232 // the terms of the GNU General Public License as published by the Free
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233 // Software Foundation; either version 2 or (at your option) any later version.
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234 //
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235 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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236 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
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237 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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238 // for more details.
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239 //
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240 // You should have received a copy of the GNU General Public License along
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241 // with eCos; if not, write to the Free Software Foundation, Inc.,
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242 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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243 //
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244 // As a special exception, if other files instantiate templates or use macros
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245 // or inline functions from this file, or you compile this file and link it
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246 // with other works to produce a work based on this file, this file does not
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247 // by itself cause the resulting work to be covered by the GNU General Public
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248 // License. However the source code for this file must still be made available
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249 // in accordance with section (3) of the GNU General Public License.
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250 //
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251 // This exception does not invalidate any other reasons why a work based on
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252 // this file might be covered by the GNU General Public License.
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253 //
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254 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
210
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255 // at http://sources.redhat.com/ecos/ecos-license/
208
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256 // -------------------------------------------
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257 //####ECOSGPLCOPYRIGHTEND####
156
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258 //===========================================================================