FreeCalypso > hg > fc-selenite

annotate doc/Compiling @ 204:027b22814ac4

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targets/fcdev3b.h: sync with Magnetite
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 13 Oct 2020 01:04:20 +0000
parents 049091077b51
children fdde05764380
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1 Selecting and preparing the compiler environment
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2 ================================================
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3
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4 FreeCalypso Selenite firmware can be built with two different compiler
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5 toolchains: either with TI's original TMS470 compiler or with gcc. Transition
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6 to compiling with gcc is a very bold move with very heavy fallout, and many
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7 parts of the fw are still broken or destabilized when built with gcc instead of
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8 the original compiler they were developed with, thus for the foreseeable future,
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9 anyone who aspires to be a FreeCalypso developer will need to compile our fw in
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10 both ways, compare the behaviour of the two versions, and work toward making
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11 the gcc-built version perform as well as the TMS470-built one. Thus you need
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12 to have both compiler toolchains installed and working - see the
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13 Toolchain-setup-470 and Toolchain-setup-gcc articles for the instructions.
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14
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15 Compiling the local helper utilities
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16 ====================================
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17
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18 (cd helpers; make)
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19
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20 Do the above. Most of the build helper scripts used in the FC Selenite build
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21 system are written in Bourne shell, but a few were easier to implement in C.
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22 You need to compile these C helper utilities before you can run an actual FC
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23 Selenite firmware build, but these utilities are totally ad hoc and specific
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24 to the needs of our fw build system, hence they are not meant to be installed
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25 globally on your system - instead they stay within the fc-selenite tree. You
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26 just need to run make in the helpers directory once before any actual firmware
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27 builds.
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28
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29 Actually building the firmware
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30 ==============================
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31
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32 To build our FC Selenite firmware for your hw target of interest in the default
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33 configuration, run a command like this from the top level of the fc-selenite
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34 tree:
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35
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36 ./configure-gcc.sh fcdev3b
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37
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38 or
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39
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40 ./configure-tms470.sh fcdev3b
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41
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42 As of this writing, the following hardware targets are supported:
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43
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44 c11x Motorola C11x/12x
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45 c139 Motorola C139/140
124
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46 c155 Motorola C155/156
109
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47 fcdev3b FreeCalypso FCDEV3B
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48 gtamodem The Calypso GSM/GPRS modem in Openmoko GTA01/02 smartphones
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49 gtm900mgc Huawei GTM900, hardware variant MGC1GSMT or MGC2GSMT
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50 j100 Sony Ericsson J100
109
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51 pirelli Pirelli DP-L10
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52 tangomdm Tango modem with MCSI
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53
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54 Notice the difference from FC Magnetite: there is no "configuration name"
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55 argument after the target name. Because FC Selenite does not include any UI
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56 code (modem functionality only) and does not offer different versions of
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57 various fw components the way Magnetite does, it does not have named
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58 configurations in the same sense as Magnetite. Instead any configuration
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59 tweaks are done via var=value optional arguments on the configure command line
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60 after the required target name argument; the following variables are currently
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61 available for tweaking:
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62
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63 ALLOW_CSIM_GSM
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64
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65 Per TI's original design, the AT+CSIM command does not allow GSM APDUs
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66 of class 0xA0. Openmoko found some need for them, and they patched
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67 their modem fw to allow these APDUs with AT+CSIM. With our new hybrid
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68 modem fw this policy setting is configurable at build time; the default
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69 is ALLOW_CSIM_GSM=1 (GSM APDUs allowed).
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70
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71 DISABLE_SLEEP
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72
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73 The general default is DISABLE_SLEEP=0, and the firmware automatically
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74 enables all of the chipset's available sleep modes on boot. Setting
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75 DISABLE_SLEEP=1 causes all sleep modes to be disabled by default on
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76 boot (they can still be enabled with the AT%SLEEP command); this
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77 setting is needed for FCDEV3B V1 boards that have a hardware bug that
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78 causes breakage when sleep modes are enabled.
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79
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80 FCHG_STATE
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81
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82 This setting enables or disables the FCHG battery charging driver. By
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83 default it is enabled on targets that have battery charging hardware
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84 (c11x, c139, c155, pirelli) and disabled on those that don't have such
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85 hw (fcdev3b, gtamodem).
109
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86
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87 GPRS
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88
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89 Self-explanatory: enables or disables GPRS. By default GPRS is enabled
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90 on proper modem hw targets (fcdev3b and gtamodem) and disabled on c11x,
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91 c139, c155 and pirelli.
109
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92
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93 L1_DYN_DSP_DWNLD
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94
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95 This setting enables TI's dynamic DSP patch download mechanism. When
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96 the firmware is built for a Calypso target with DSP ROM version 36 in
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97 the silicon (all FreeCalypso-made hw and most of the supported legacy
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98 targets), L1_DYN_DSP_DWNLD is enabled by default and needs to be kept
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99 enabled for correct operation: the patch code we got from TI for this
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100 ROM is the dynamic download version, and the ARM-side L1 code expects
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101 all of these patches to be present, both the static part and the
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102 dynamic parts. However, one can build our fw with L1_DYN_DSP_DWNLD=0
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103 for experimental testing, to see what breaks when the dynamic patches
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104 are omitted.
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105
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106 L1_VOICE_MEMO_AMR
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107
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108 This setting enables or disables support in L1 and in the RiViera Audio
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109 Service for AMR voice memo recording and playback. This code has not
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110 been properly studied yet and no test AT commands are provided for it,
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111 but it is enabled by default like in TI's original TCS211 fw.
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112
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113 MELODY_E2
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114
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115 This setting enables or disables support in L1 and in the RiViera Audio
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116 Service for playing E2-format melodies. The default is MELODY_E2=1
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117 like in TI's original TCS211 fw. Note that Melody E1 support is always
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118 enabled; setting MELODY_E2=0 disables only Melody E2, but not E1.
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119
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120 MEMSUPER
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121
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122 This setting enables the memory supervision feature in TI's GPF and in
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123 the G23M protocol stack built on top of it. This code has not been
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124 properly studied yet; play with it at your own risk.
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125
124
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126 RVTMUX_ON_MODEM
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127
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128 This setting configures the usage of Calypso UARTs. RVTMUX_ON_MODEM=0
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129 puts the AT command interface on the MODEM UART and RVTMUX on the IrDA
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130 UART (TI's intended config and the default on sensible hw targets);
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131 RVTMUX_ON_MODEM=1 (default on the crippled C1xx targets) puts RVTMUX on
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132 the MODEM UART, sacrificing the standard AT command interface.
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133
109
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134 SERIAL_DYNAMIC_SWITCH
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135
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136 TI's TCS211 fw includes a provision (only for Bluetooth-enabled fw in
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137 TI's original) to switch one UART between the AT command interface and
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138 RVTMUX while the other UART is fixed for Bluetooth. In FreeCalypso we
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139 have changed this code to work without Bluetooth, for the purpose of
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140 switching the user-facing MODEM UART between AT commands and RVTMUX,
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141 but the mechanism does not work properly yet and is disabled by default.
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142 Enable it with SERIAL_DYNAMIC_SWITCH=1 if you would like to play with
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143 it.
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144
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145 SPEECH_RECO
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146
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147 This setting enables or disables support in L1 and in the RiViera Audio
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148 Service for TI's speech recognition mechanism. This code and the
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149 underlying DSP facility itself have not been properly studied yet and
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150 no test AT commands are provided for it, but it is enabled by default
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151 like in TI's original TCS211 fw.
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152
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153 SRVC
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154
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155 TI's original config variable, selects the presence or absence of data
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156 services other than GPRS as follows:
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157
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158 SRVC=0: voice and SMS only
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159 SRVC=1: CSD and fax enabled
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160 SRVC=2: CSD enabled, but not fax
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161
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162 The default is SRVC=1 (fax and data enabled) for proper modem hw targets
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163 (fcdev3b and gtamodem) and SRVC=0 (voice and SMS only) on c11x, c139,
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164 c155 and pirelli.
109
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165
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166 SUFFIX
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167
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168 This setting is solely for configuration management. If you make a
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169 build with any of the settings described in this document changed from
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170 the default, you should also pass a SUFFIX=-xxx argument so your special
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171 build will be appropriately identified in the build directory name and
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172 in the firmware version ID string compiled into the image. The naming
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173 of suffixes is up to you, but here are some examples:
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174
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175 L1_DYN_DSP_DWNLD=0 SUFFIX=-nodyn
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176 MELODY_E2=0 SUFFIX=-noe2
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177 MEMSUPER=2 SUFFIX=-ps
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178 SERIAL_DYNAMIC_SWITCH=1 SUFFIX=-sds
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179 SPEECH_RECO=0 SUFFIX=-nosr
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180 TR_BAUD_CONFIG=TR_BAUD_812500 SUFFIX=-812500
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181
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182 TRACEMASK_IN_FFS
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183
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184 TI's Test Interface (TIF) component in the GPF realm includes an
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185 optional feature for saving trace masks in FFS, but TI's production
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186 firmwares had it disabled. The component in question is now compiled
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187 from source like the rest of our fw, but we still keep this
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188 TRACEMASK_IN_FFS code disabled by default, at least for now.
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189 Set TRACEMASK_IN_FFS=1 to enable this code in GPF.
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190
109
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191 TR_BAUD_CONFIG
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192
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193 The value of this symbol is an alphanumeric keyword of the form
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194 TR_BAUD_xxxxxx; the default is TR_BAUD_115200. See
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195 src/cs/drivers/drv_core/uart/traceswitch.h for the available baud rate
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196 choices; the most practical use is setting TR_BAUD_CONFIG=TR_BAUD_812500
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197 when you need to run the RVTMUX serial channel at the maximum possible
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198 baud rate.
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199
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200 Each configuration is built in its own directory; the name of this build
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201 directory always begins with build- and is constructed to reflect the
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202 configuration. The auto-generated build directory name includes the name of
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203 the target, the selection of services to be included based on the GPRS, SRVC
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204 and FCHG_STATE variables, and a -470 or -gcc suffix indicating the compiler
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205 toolchain, but if you manually override any of the other config variables
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206 described above, you should also include a SUFFIX=-xxx argument giving an
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207 identifying suffix for your own configuration changes.
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208
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209 To actually compile the firmware, cd into the created build directory and run
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210 make there. With gcc the build proceeds very fast because the compiler runs
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211 natively, but building with the original TMS470 compiler requires going through
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212 Wine, which is much slower. There is, however, a trick to speed up these
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213 TMS470 builds: if you run some other Wine program that stays open and does not
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214 exit on its own (e.g., wine cmd) in another window and leave it open while you
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215 run your Selenite TMS470 build, the build will proceed much faster - the
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216 presence of another Wine process using the wineserver environment will keep
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217 Wine from shutting this environment down and restarting it for every individual
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218 cl470 run, i.e., for each individual C source file.
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219
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220 When the build is done, the flashable firmware image will be in fwimage.bin.
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221 This image is to be flashed with fc-loadtool at a target-dependent base address.
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222 The build system also produces a short text file named flash-script which is a
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223 flashing command script for fc-loadtool that erases the correct range of flash
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224 sectors and then programs fwimage.bin at the right address.
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225
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226 When building firmware for the FCDEV3B or for the Pirelli, one can build either
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227 a flashable image or a RAM-loadable one - or both. Because this part of the
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228 build system is common with other targets for which only flash images can be
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229 produced, the Makefile always builds the flashable image by default -
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230 fwimage.bin is always meant for flash and never for RAM. To build a RAM-
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231 loadable image when the target allows it, run 'make ram' - the image will be in
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232 ramimage.srec, which you can then load and run on the target with FreeCalypso
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233 host tool fc-xram.
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234
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235 Running on the hardware
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236 =======================
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237
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238 In order to run the firmware you have built on your FCDEV3B or other Calypso
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239 device (flash or run in RAM as appropriate), you will need to use FreeCalypso
182
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240 host tools. The current version at any given moment can be found at this URL:
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241
182
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242 ftp://ftp.freecalypso.org/pub/GSM/FreeCalypso/fc-host-tools-latest.tar.bz2
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243
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244 Please see the Running-on-hw article for further instructions.