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annotate packages/hal/arm/pid/current/misc/Notes @ 50:a0774359f013 ecos-sw-1999-11-02

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Merge from eCos master repository on 1999-11-02-17:02:15-GMT
author jlarmour
date Tue, 02 Nov 1999 20:57:07 +0000
parents 443894e2e912
children c38311975d4f
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1 ===========================================================================
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2 ####COPYRIGHTBEGIN####
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3
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4 -------------------------------------------
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5 The contents of this file are subject to the Cygnus eCos Public License
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6 Version 1.0 (the "License"); you may not use this file except in
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7 compliance with the License. You may obtain a copy of the License at
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8 http://sourceware.cygnus.com/ecos
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9
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10 Software distributed under the License is distributed on an "AS IS"
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11 basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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12 License for the specific language governing rights and limitations under
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13 the License.
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14
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15 The Original Code is eCos - Embedded Cygnus Operating System, released
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16 September 30, 1998.
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17
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18 The Initial Developer of the Original Code is Cygnus. Portions created
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19 by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions. All Rights Reserved.
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20 -------------------------------------------
443894e2e912 Block commit of eCos version 1.2.1
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21
443894e2e912 Block commit of eCos version 1.2.1
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22 ####COPYRIGHTEND####
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23 ===========================================================================
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24
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25 27 Oct 1999
2
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27 How to build and install the GDB module on the PID
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28
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29 Make GDB module
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30 ~~~~~~~~~~~~~~~
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31 1. Configure a minimal eCos system with all packages except 'infra' disabled.
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32 2. Edit <hal/hal.h> to enable GDB:
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33 #define CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
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34 #undef CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT
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35 #undef CYGDBG_HAL_DEBUG_GDB_THREAD_SUPPORT
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36 3. make;make -C hal/arm/pid/<version>/misc
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37
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38 Alternatively run hal/arm/pid/<version>/misc/STUBS_config.
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41 GDB image is in the file hal/arm/pid/<version>/misc/gdb_module.img
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43
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44 Make FLASH tool
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45 ~~~~~~~~~~~~~~~
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46 1. Configure a separate eCos system with all packages enabled.
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47 2. Change diag chanel to port B (in file pkgconf/hal_arm_pid.h):
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48 #define CYGHWR_HAL_ARM_PID_DIAG_PORT 1
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49 2. make misc
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50
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51 FLASH tool is in the file hal/arm/pid/<version>/misc/prog_flash
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52
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53
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54 Prepare board for eCos
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55 ~~~~~~~~~~~~~~~~~~~~~~
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56 1. Set jumper 7-8 on LK6 [using the Angle code in the 16 bit EPROM]
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57 2. Set jumper 5-6 on LK6 [select 8bit ROM mode]
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58 3. Set jumper LK18 [ROM remap - this is also required for eCos]
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59 4. Set S1 to 0-0-1-1 [20MHz operation]
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60
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61
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62 Program FLASH
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63 ~~~~~~~~~~~~~
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64 1. Download the image onto the PID board:
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65 arm-elf-gdb -nw hal/arm/pid/<version>/misc/gdb_module.img
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66
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67 (gdb) target rdi s=<serial device>
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68 (gdb) load
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69 [...]
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70 (gdb) quit
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71
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72 This will download the stubs onto the board at 0x60000..0x64000
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73
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74 2. Now download the FLASH programmer tool
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75 arm-elf-gdb -nw hal/arm/pid/<version>/misc/prog_flash
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76
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77 (gdb) target rdi s=<serial device>
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78 (gdb) load
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79 [...]
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80 (gdb) cont
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81
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82 3. The FLASH tool will output some text on the board serial port B at
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83 38400 baud:
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84
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85 ARM eCos
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86 FLASH here!
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87 manuf: 8, device: 40
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88 Error: Wrong Manufaturer: 08
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89 ... Please change FLASH jumper
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90
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91 4. This text is repeated until you remove the jumper 7-8 on LK6. Then
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92 the output should be:
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93
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94 manuf: 1F, device: A4
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95 AT29C040A recognised
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96 About to program FLASH using data at 60000..64000
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97 *** Press RESET now to abort!
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98
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99 5. You have about 10 seconds to abort the operation by pressing
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100 reset. After this timeout, the FLASH programming happens:
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101
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102 ...Programming FLASH
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103 All done!
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104
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105 6. Quit/kill the GDB process which will hang.
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106
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107 7. Next time you reset the board, the stub will be in control, communicating
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108 on serial port A at 38400 baud. See documentation for further details
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109 on how to connect with GDB.
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110
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111
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112
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113 Big-Endian operation
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114 ~~~~~~~~~~~~~~~~~~~~
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115
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116 1) If the board is to be used in big-endian mode, the stub should be
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117 configured for platform 'pidbe' instead of 'pid'. 'pidbe' can also
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118 be used as a second argument to the STUBS_config script.
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119
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120 2a) If a big-endian rom controller is installed on the board, the
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121 programming of a new stub into flash is covered in the ARM PID
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122 manual.
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123
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124 2b) If a big-endian rom controller is _not_ used, this is what you
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125 must do:
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126
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127 1) Follow the above instructions (including jumper settings) ,
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128 but instead of using the 'prog_flash' FLASH tool, use the
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129 'prog_flash_BE_image_LE_system' FLASH tool.
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130
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131 2) Instead of resetting the board after the FLASH has been
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132 programmed, switch off the power and enable jumper LK4.
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133
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134 If you have to re-program the FLASH later, you can follow the
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135 steps above again, but also disable jumper LK4 when changing the
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136 other jumpers.
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137