FreeCalypso > hg > freecalypso-citrine

annotate cfgmagic/feature.fcfam-ffs @ 41:d1d1afdc29b5

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configs/fcdev3b-std added
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 17 May 2017 06:02:03 +0000
parents f385e4d87bad
children
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38
24eb59e61b44 implemented feature fcfam-ffs for fcdev3b target
Mychaela Falconia <falcon@freecalypso.org>
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1 # This feature is specific to FreeCalypso family targets, i.e., hardware
24eb59e61b44 implemented feature fcfam-ffs for fcdev3b target
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2 # designed and built within the FreeCalypso family of projects rather than
24eb59e61b44 implemented feature fcfam-ffs for fcdev3b target
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3 # pre-existing Calypso devices. FC family devices starting with FCDEV3B
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4 # use the 16 MiB flash chip originally discovered on the Pirelli DP-L10,
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5 # organized as two chip select banks of 8 MiB each; the first flash bank
24eb59e61b44 implemented feature fcfam-ffs for fcdev3b target
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6 # is for the firmware, and the second flash bank is ideally suited for
24eb59e61b44 implemented feature fcfam-ffs for fcdev3b target
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7 # file system storage.
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8 #
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9 # Because we don't really need an 8 MiB FFS, instead of allocating the
24eb59e61b44 implemented feature fcfam-ffs for fcdev3b target
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10 # entirety of the second flash bank for one gigantic FFS, our current
24eb59e61b44 implemented feature fcfam-ffs for fcdev3b target
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11 # convention allocates room for up to 3 potential FFS instances, each
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12 # 2 MiB in size. Thus we have FFS location 0, FFS location 1 and
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13 # FFS location 2. Our Magnetite firmware always uses FFS location 0;
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14 # when running Citrine firmware, it is up to you whether you wish your
24eb59e61b44 implemented feature fcfam-ffs for fcdev3b target
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15 # Citrine fw to use the same FFS as Magnetite or its own separate FFS
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16 # instance.
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17
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18 check_target_feature "$1"
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19
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20 if [ $# != 2 ]
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21 then
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22 echo "feature fcfam-ffs: extra argument required" 1>&2
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23 exit 1
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24 fi
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25
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26 FFS_IN_RAM=0
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27 CONFIG_AFTERMARKET_FFS=1
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28
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29 case "$2" in
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30 0)
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31 CONFIG_AFTERMARKET_FFS_START=0
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32 ;;
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33 1)
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34 CONFIG_AFTERMARKET_FFS_START=8
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35 ;;
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36 2)
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37 CONFIG_AFTERMARKET_FFS_START=16
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38 ;;
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39 *)
39
f385e4d87bad cfgmagic/feature.fcfam-ffs: copy&paste error
Mychaela Falconia <falcon@freecalypso.org>
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40 echo "feature fcfam-ffs: argument must be 0, 1 or 2" 1>&2
38
24eb59e61b44 implemented feature fcfam-ffs for fcdev3b target
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41 exit 1
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42 ;;
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43 esac
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44
24eb59e61b44 implemented feature fcfam-ffs for fcdev3b target
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45 CONFIG_AFTERMARKET_FFS_NBLOCKS=8
24eb59e61b44 implemented feature fcfam-ffs for fcdev3b target
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46 CONFIG_FLASH_WRITE=1
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47
24eb59e61b44 implemented feature fcfam-ffs for fcdev3b target
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48 export_to_c CONFIG_AFTERMARKET_FFS
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49 export_to_c CONFIG_AFTERMARKET_FFS_START
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50 export_to_c CONFIG_AFTERMARKET_FFS_NBLOCKS
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51 export_to_c CONFIG_FLASH_WRITE