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annotate loadtools/old/Loadtools-on-GTA0x @ 995:74024eb17e04

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fc-loadtool help: improve language regarding 16 MiB flash chips In FC project history, 16 MiB flash originally meant Pirelli DP-L10. Then we got FCDEV3B with the same flash (our own design), but now we are discovering more Calypso devices that used such large flash, both late Calypso era (Sony Ericsson K2x0) as well as much earlier ones (FIC FLUID devices.txt file with 2004 dates, Leonardo+ rev 5). Hence we need to migrate to more generic or neutral language in associated documentation, without giving elevated status to specific examples that drove our early project history.
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 03 Dec 2023 21:11:12 +0000
parents e1c13337f970
children
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1a658ab756fe doc/Loadtools-on-GTA0x article added, replacing the corresponding section
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1 FreeCalypso loadtools are currently a part of FC host tools, but they used to
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2 be a separate package. In those days that separate package of loadtools could
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3 be built in two ways:
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5 1) One could compile and install loadtools on a general-purpose host system
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6 such as a GNU/Linux PC or laptop, and then potentially use them to operate
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7 on multiple Calypso targets of different kinds.
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9 2) One could compile loadtools to run on the application processor of a
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10 smartphone such as Openmoko GTA0x, in which case it makes no sense for that
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11 special build of loadtools to support any target other than the specific
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12 modem in that smartphone.
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14 Loadtools can be built with compalstage support excluded and with
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15 GTA0x-specific modem power control included instead. This build will still
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16 include a bunch of functions of no relevance to GTA0x, but oh well..
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18 To build loadtools for the GTA0x AP, you'll need to make the following
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19 modifications to loadtools/Makefile:
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21 * Change the CC= line to point to the appropriate cross-compiler (which you'll
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22 need to provide yourself).
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24 * Change the CFLAGS= line: add the right options to target the ARM920T core in
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25 the GTA0x AP (e.g., -march=armv4t -mtune=arm920t), and add -DGTA0x_AP_BUILD
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26 to enable some code that makes sense only when running on the GTA0x AP.
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28 * Change the PROGS= line to not build fc-compalram or fc-buzplay: the latter
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29 utilities are not applicable to GTA0x.
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31 * Change EXTRA_OBJ= from listing compalload.o to listing compaldummy.o and
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32 gtapower.o instead.
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34 See loadtools/gta-ap-build.sed for an example.