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annotate packages/hal/powerpc/mbx/current/ChangeLog @ 66:bf00f99aec69 ecos-sw-2000-02-02

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Merge from eCos master repository on 2000-02-02-19:16:44-GMT
author jlarmour
date Wed, 02 Feb 2000 19:57:02 +0000
parents c38311975d4f
children c5536bad4c24
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1 2000-01-26 Jesper Skov <jskov@redhat.com>
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3 * include/plf_cache.h: Added.
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5 2000-01-24 Jesper Skov <jskov@cygnus.co.uk>
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6 * src/mbx.S: Depend on CYGSEM_HAL_ROM_MONITOR instead of
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7 CYG_HAL_ROM_MONITOR.
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9 1999-11-25 Gary Thomas <gthomas@cygnus.co.uk>
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11 * include/pkgconf/mlt_powerpc_mbx_rom.h:
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12 * include/pkgconf/mlt_powerpc_mbx_ram.h: New file(s).
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14 1999-10-22 Hugo Tyson <hmt@cygnus.co.uk>
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16 * src/hal_diag.c (hal_diag_write_char): Call new hal_stub.h macro
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17 CYG_HAL_GDB_ENTER_CRITICAL_IO_REGION() instead of simply disabling
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18 interrupts, ditto for enable. This provides atomicity wrt single
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19 stepping and watching variables when this code to output a whole
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20 GDB $O packet is entered.
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22 1999-09-20 Hugo Tyson <hmt@cygnus.co.uk>
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24 * include/pkgconf/hal_powerpc_mbx.h:
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25 (CYGHWR_HAL_POWERPC_MBX_BOOT_32BIT_FLASH) new config option to
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26 control chip select initialization.
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27
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28 * src/mbx.S: Take notice of CYGHWR_HAL_POWERPC_MBX_BOOT_32BIT_FLASH.
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30 * misc/stubrom.perm: Reference the new option for folks who want
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31 to boot from the 32-bit flash.
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32
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33 1999-09-13 Gary Thomas <gthomas@cygnus.co.uk>
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34
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35 * include/pkgconf/hal_powerpc_mbx.h (CYGHWR_HAL_POWERPC_BOARD_SPEED):
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36 Missing default value (wouldn't build sans ConfigTool).
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38 1999-09-09 Gary Thomas <gthomas@cygnus.co.uk>
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40 * include/pkgconf/hal_powerpc_mbx.h (CYGHWR_HAL_POWERPC_MBX_BOARD_SPEED):
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41 Rename CDL option to avoid a name clash.
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43 1999-07-27 Hugo Tyson <hmt@cygnus.co.uk>
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45 * src/mbx.S: Fix typo in PLL setup value. Reported from the net.
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46
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47 1999-06-28 Hugo Tyson <hmt@cygnus.co.uk>
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49 * src/hal_diag.c (hal_diag_init): Fix a "default type" warning.
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51 1999-06-28 Hugo Tyson <hmt@cygnus.co.uk>
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52
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53 * src/hal_diag.c (hal_diag_write_char): Only gobble the GDB ACK
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54 characters if there is no pre-ISR polling call to look for ^C
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55 chars to interrupt the prog. (CYGDBG_HAL_DEBUG_GDB_BREAK_SUPPORT
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56 - should not be enabled if devices are in use)
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57
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58 1999-06-28 Hugo Tyson <hmt@cygnus.co.uk>
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60 * src/mbx.S (__upmtbl_start): We do not trust rewriting the UPMs
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61 for DRAM timing whilst running out of that very DRAM. So only
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62 init UPMs in ROM start (including when making a stub rom).
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63
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64 1999-06-27 Gary Thomas <gthomas@cygnus.co.uk>
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66 * src/hal_diag.c: Support buffering of diagnostic data for later
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67 display. Controlled by CYGDBG_DIAG_BUF. Also, turn on code to
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68 handle GDB ACK characters when stubs are enabled.
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69
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70 1999-06-25 Hugo Tyson <hmt@cygnus.co.uk>
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72 * src/mbx.S (__upmtbl_start): depending on CYG_HAL_ROM_MONITOR, we
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73 use the OLD TABLES if making a stub rom. For greatest commonality
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74 of startup code between RAM startup development binaries and ROM
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75 startup "product" binaries we completely re-initialize the UPMs
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76 that control DRAM timing even in RAM start when executing out of
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77 that very DRAM.
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78
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79 It appears that it is OK to rewrite the UPMs with the new timing
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80 data when already running with the old timing data, but not OK to
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81 update from new to new. So we use the old timing data when
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82 building stubs.
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83
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84 An alternative would be to conditionally not perform the UPM
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85 initialization in RAM startup, but that would weaken the testing
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86 value of RAM startup programs.
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87
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88 1999-06-24 Hugo Tyson <hmt@cygnus.co.uk>
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89
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90 * src/mbx.S (__upmtbl_start): Use the new tables recently supplied
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91 by email from Motorola; without them, the cache-line-zero
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92 operation only zeros 12 bytes rather than 16. [PR 20226]
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93
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94 1999-06-24 Hugo Tyson <hmt@cygnus.co.uk>
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95
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96 * include/plf_stub.h (HAL_STUB_PLATFORM_INIT_BREAK_IRQ): Define
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97 this (empty) for it is required if HAL_DEBUG_GDB_BREAK_SUPPORT is
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98 enabled. Improve HAL_STUB_PLATFORM_SET_BAUD_RATE.
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99
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100 1999-06-18 John Dallaway <jld@cygnus.co.uk>
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101
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102 * include/pkgconf/mlt_powerpc_mbx_rom.mlt:
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103 * include/pkgconf/mlt_powerpc_mbx_ram.mlt:
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104 Fix MLT save files to match the default linker script
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105 fragments.
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106
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107 1999-06-18 Hugo Tyson <hmt@cygnus.co.uk>
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108
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109 * include/pkgconf/mlt_powerpc_mbx_rom.mlt:
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110 * include/pkgconf/mlt_powerpc_mbx_ram.mlt:
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111 Initial attempt at getting these to match the reality of the
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112 linker script fragment; we'll have to see whether they're right.
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113
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114 1999-06-18 Hugo Tyson <hmt@cygnus.co.uk>
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115
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116 * src/mbx.S: Data cache setup in hal_hardware_init: set
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117 force-writethrough mode and explicitly disable little-endian swap
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118 mode, whatever _that_ is. Force-writethrough is required if you
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119 are to enable the data cache, it crashes otherwise. Cause
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120 unknown, could be the memory system doesn't support whatever
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121 access regime is used, or caching problems with loading code
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122 through the stubs? In any case, this is a fine workaround.
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123
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124 * src/hal_aux.c (CYGARC_MEMDESC_TABLE): Enable caching of the ROM;
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125 seems to do no harm, and helps ROM-based performance.
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126
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127 1999-06-18 Jesper Skov <jskov@cygnus.co.uk>
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128
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129 * include/pkgconf/hal_powerpc_mbx.h: Fixed CDL description.
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130
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131 1999-06-17 Hugo Tyson <hmt@cygnus.co.uk>
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132
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133 * misc/stubrom.perm: New file: a perm for creating an eCos stub
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134 ROM for the MBX. Pro tem, ^C to break is not supported, so the
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135 feature must remain disabled.
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136
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137 * include/plf_stub.h (HAL_STUB_PLATFORM_INIT): Diddle the LEDs if
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138 ROM start to distinguish eCos stub ROM from CygMon ROM from eCos
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139 app running/internal stubs.
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140
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141 1999-06-17 Hugo Tyson <hmt@cygnus.co.uk>
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142
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143 * include/pkgconf/mlt_powerpc_mbx_rom.ldi: Move RAM usage in ROM
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144 startup to 2000 so that we can build stubs that don't fight with
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145 RAM started apps' RAM use from 10000.
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146
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147 1999-06-17 Hugo Tyson <hmt@cygnus.co.uk>
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148
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149 * tests/PKGconf.mak: New file, to build that below.
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150
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151 * tests/mbxtime.cxx: New file, a simple test of the system timer
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152 for a human to check it's roughly seconds.
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153
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154 * include/pkgconf/mlt_powerpc_mbx_rom.ldi: ROM startup supported.
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155
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156 * include/pkgconf/hal_powerpc_mbx.h
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157 (CYGHWR_HAL_POWERPC_MBX_BOARD_SPEED): Add this config option to
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158 select 40MHz or 50MHz system clock speed.
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159
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160 * src/mbx.S (hal_hardware_init): Complete system init for ROM
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161 start; move return address to inside the ROM from wherever we
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162 booted. Proper board clock speed selection.
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163
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164 * src/hal_diag.c (hal_diag_write_char_serial): Do not encode
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165 packets for GDB if using ROM start.
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166
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167 * src/hal_aux.c (CYGARC_MEMDESC_TABLE): Map the ROM correctly so
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168 that ROM start works.
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169
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170 1999-06-15 Hugo Tyson <hmt@cygnus.co.uk>
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171
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172 * src/mbx.S (hal_hardware_init): Add full ROM-type startup code
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173 and some useful LED-diddling routines and macro, to assist in
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174 debugging ROM startup.
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175
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176 * src/hal_aux.c (CYGARC_MEMDESC_TABLE): Enable memory mapping to
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177 the LED control register so that we can treak them with mem mgt
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178 enabled ie. in a normal execution context.
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179
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180 1999-06-11 Hugo Tyson <hmt@cygnus.co.uk>
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181
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182 * src/mbx.S (hal_hardware_init): Set up the base address of the
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183 control registers in IMMR to 0xff000000 (as defined in arch).
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184 Turn off external interrupts, initialize the decrementer.
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185
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186 * src/PKGconf.mak: Build the new file.
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187
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188 * src/hal_aux.c (CYGARC_MEMDESC_TABLE): New file, to define this
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189 object for per-platform table-driven memory map initialization.
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190 The table used to be in hal_misc.c in the architectural HAL; this
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191 is platform dependent so better and cleaner here.
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192
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193 1999-06-10 Hugo Tyson <hmt@cygnus.co.uk>
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194
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195 * ChangeLog: Component created, based partly on the FADS work and
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196 on CygMon's serial IO code for the MBX860, to support the Motorola
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197 MBX860 development board. Actual serial support lies in
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198 neighbouring component HAL_QUICC [hal/powerpc/quicc/...]
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199
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200 * include/hal_diag.h
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201 * include/plf_stub.h
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202 * include/pkgconf/hal_powerpc_mbx.h
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203 * include/pkgconf/mlt_powerpc_mbx_ram.ldi
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204 * include/pkgconf/mlt_powerpc_mbx_ram.mlt
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205 * include/pkgconf/mlt_powerpc_mbx_rom.ldi
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206 * include/pkgconf/mlt_powerpc_mbx_rom.mlt
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207 * src/PKGconf.mak
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208 * src/hal_diag.c
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209 * src/mbx.S
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210 New files.
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211
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212 //===========================================================================
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213 //####COPYRIGHTBEGIN####
64
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214 //
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215 // -------------------------------------------
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216 // The contents of this file are subject to the Red Hat eCos Public License
66
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217 // Version 1.1 (the "License"); you may not use this file except in
64
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218 // compliance with the License. You may obtain a copy of the License at
66
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219 // http://www.redhat.com/
64
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220 //
66
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221 // Software distributed under the License is distributed on an "AS IS"
64
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222 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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223 // License for the specific language governing rights and limitations under
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224 // the License.
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225 //
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226 // The Original Code is eCos - Embedded Configurable Operating System,
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227 // released September 30, 1998.
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228 //
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229 // The Initial Developer of the Original Code is Red Hat.
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230 // Portions created by Red Hat are
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231 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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232 // All Rights Reserved.
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233 // -------------------------------------------
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234 //
32
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235 //####COPYRIGHTEND####
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236 //===========================================================================