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Fix FREESCALE_EDMA_NBYTES_MLOFFYES_MLOFF() so it works with negative offsets.
author vae
date Wed, 29 Apr 2015 23:31:48 +0000
parents 74dbf4c3f2e1
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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1 ===========================================================================
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2 ## ####ECOSGPLCOPYRIGHTBEGIN####
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3 ## -------------------------------------------
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4 ## This file is part of eCos, the Embedded Configurable Operating System.
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5 ## Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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6 ##
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7 ## eCos is free software; you can redistribute it and/or modify it under
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8 ## the terms of the GNU General Public License as published by the Free
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9 ## Software Foundation; either version 2 or (at your option) any later
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10 ## version.
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11 ##
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12 ## eCos is distributed in the hope that it will be useful, but WITHOUT
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13 ## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 ## FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 ## for more details.
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16 ##
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17 ## You should have received a copy of the GNU General Public License
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18 ## along with eCos; if not, write to the Free Software Foundation, Inc.,
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19 ## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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20 ##
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21 ## As a special exception, if other files instantiate templates or use
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22 ## macros or inline functions from this file, or you compile this file
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23 ## and link it with other works to produce a work based on this file,
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24 ## this file does not by itself cause the resulting work to be covered by
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25 ## the GNU General Public License. However the source code for this file
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26 ## must still be made available in accordance with section (3) of the GNU
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27 ## General Public License v2.
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28 ##
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29 ## This exception does not invalidate any other reasons why a work based
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30 ## on this file might be covered by the GNU General Public License.
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31 ## -------------------------------------------
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32 ## ####ECOSGPLCOPYRIGHTEND####
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33 ===========================================================================
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34
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35 27 Oct 1999, revised on 2000.01.28
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36
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37 How to build and install the GDB module on the PID
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38
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39 Make GDB module
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40 ~~~~~~~~~~~~~~~
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41 Configure and build using the 'stubs' template for the PID
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42 target. These are the necessary CLI instructions. It can also be done
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43 from the Configtool by selecting the appropriate templates.
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44
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45 % cd /tmp
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46 % mkdir stubs
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47 % cd stubs
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48 % ecosconfig new pid stubs
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49 % ecosconfig tree
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50 % make
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51
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52 This will install some files in ./install/bin:
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53
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54 cygmon.elf: The built stubs image
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55 cygmon.bin: The image converted to binary (suitable for burning to ROM)
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56 cygmon.img: The relocated ELF image (suitable for FLASH writing, see below)
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57
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58
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59 Make FLASH tool
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60 ~~~~~~~~~~~~~~~
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61
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62 Again, these are the necessary CLI instructions. It can also be done
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63 from the Configtool by selecting the appropriate templates, and
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64 enabling the option.
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65
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66 % cd /tmp
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67 % mkdir pid-flash
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68 % cd pid-flash
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69 % ecosconfig new pid
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70 % <edit ecos.ecc, enabling the CYGBLD_BUILD_FLASH_TOOL option:>
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71 --- ecos.ecc.orig Fri Jan 28 11:21:43 2000
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72 +++ ecos.ecc Fri Jan 28 11:22:01 2000
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73 @@ -150,7 +150,7 @@
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74 cdl_option CYGBLD_BUILD_FLASH_TOOL {
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75 # Flavor: bool
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76 # No user value, uncomment the following line to provide one.
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77 - # user_value 0
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78 + user_value 1
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79 # value_source default
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80 # Default value: 0
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81 # Requires: CYG_HAL_STARTUP == "RAM"
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82 % ecosconfig resolve
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83 % ecosconfig tree
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84 % make
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85
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86 The flash tool is installed in ./install/bin
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87
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88
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89 Prepare board for eCos
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90 ~~~~~~~~~~~~~~~~~~~~~~
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91 1. Set jumper 7-8 on LK6 [using the Angle code in the 16 bit EPROM]
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92 2. Set jumper 5-6 on LK6 [select 8bit ROM mode]
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93 3. Set jumper LK18 [ROM remap - this is also required for eCos]
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94 4. Set S1 to 0-0-1-1 [20MHz operation]
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95
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96
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97 Program FLASH
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98 ~~~~~~~~~~~~~
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99 1. Download the image onto the PID board:
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100 % cd /tmp
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101 % arm-elf-gdb -nw stubs/install/bin/gdb_image.img
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102
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103 (gdb) target rdi s=<serial device>
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104 Angel Debug Monitor V1.04 (Advanced RISC Machines SDT 2.11a) for PID
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105 Built with Serial(x1), Parallel, DCC
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106 Rebuilt on Apr 7 1998 at 22:20:43
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107 Serial Rate: 9600
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108 Connected to ARM RDI target.
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109 (gdb) load
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110 Loading section .rom_vectors, size 0x60 lma 0x60000
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111 Loading section .text, size 0xeea8 lma 0x60060
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112 Loading section .rodata, size 0x304c lma 0x6ef08
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113 Loading section .data, size 0x7f8 lma 0x71f54
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114 Start address 0x60060 , load size 75596
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115 Transfer rate: 5548 bits/sec.
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116 (gdb) quit
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117
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118 This will download the stubs onto the board at 0x60000..0x80000
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119
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120 Use /dev/ttyS0, COM1 or similar for the <serial device> name.
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121
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122 2. Now download the FLASH programmer tool
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123 % arm-elf-gdb -nw pid-flash/install/bin/prog_flash.img
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124
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125 (gdb) target rdi s=<serial device>
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126 Angel Debug Monitor V1.04 (Advanced RISC Machines SDT 2.11a) for PID
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127 Built with Serial(x1), Parallel, DCC
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128 Rebuilt on Apr 7 1998 at 22:20:43
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129 Serial Rate: 9600
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130 Connected to ARM RDI target.
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131 (gdb) load
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132 Loading section .rom_vectors, size 0x60 lma 0x4000
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133 Loading section .text, size 0x4964 lma 0x4060
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134 Loading section .rodata, size 0x384 lma 0x89c4
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135 Loading section .data, size 0x28c lma 0x8d48
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136 Start address 0x4060 , load size 20436
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137 Transfer rate: 5449 bits/sec.
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138 (gdb) cont
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139
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140 3. The FLASH tool will output some text on the board serial port B at
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141 38400 baud:
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142
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143 ARM eCos
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144 FLASH here!
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145 manuf: 8, device: 40
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146 Error: Wrong Manufaturer: 08
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147 ... Please change FLASH jumper
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148
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149 4. This text is repeated until you remove the jumper 7-8 on LK6. Then
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150 the output should be:
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151
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152 manuf: 1F, device: A4
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153 AT29C040A recognised
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154 About to program FLASH using data at 60000..80000
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155 *** Press RESET now to abort!
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156
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157 5. You have about 10 seconds to abort the operation by pressing
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158 reset. After this timeout, the FLASH programming happens:
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159
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160 ...Programming FLASH
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161 All done!
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162
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163 6. Quit/kill the GDB process which will hang.
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164
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165 7. Next time you reset the board, the stub will be in control, communicating
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166 on serial port A at 38400 baud. See documentation for further details
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167 on how to connect with GDB.
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168
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169
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170
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171 Big-Endian operation
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172 ~~~~~~~~~~~~~~~~~~~~
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173
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174 1) If the board is to be used in big-endian mode, the stub should be
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175 configured for platform 'pidbe' instead of 'pid'.
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176
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177 2a) If a big-endian rom controller is installed on the board, the
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178 programming of a new stub into flash is covered in the ARM PID
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179 manual.
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180
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181 2b) If a big-endian rom controller is _not_ used, this is what you
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182 must do:
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183
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184 1) Follow the above instructions (including jumper settings) ,
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185 but instead of building and using the 'prog_flash' FLASH
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186 tool, use the 'prog_flash_BE_image_LE_system' FLASH tool
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187 (build it by enabling CYGBLD_BUILD_FLASH_TOOL_BE)
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188
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189 2) Instead of resetting the board after the FLASH has been
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190 programmed, switch off the power and enable jumper LK4.
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191
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192 If you have to re-program the FLASH later, you can follow the
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193 steps above again, but also disable jumper LK4 when changing the
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194 other jumpers.