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comparison doc/TIFFS-IVA-usage @ 729:f917441aa8bc

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doc/TIFFS-IVA-usage: update for tiffs-8m
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 28 Aug 2020 05:26:12 +0000
parents c44f31353f2f
children d89b72f2181b
comparison
equal deleted inserted replaced
728:8e7f6cca385b 729:f917441aa8bc
12 The 2nd argument to tiffs after the FFS image filename describes how the TIFFS 12 The 2nd argument to tiffs after the FFS image filename describes how the TIFFS
13 instance under study is organized in terms of flash sectors. The syntax of 13 instance under study is organized in terms of flash sectors. The syntax of
14 this argument is KxN, where K is the flash sector size in KiB and N is the 14 this argument is KxN, where K is the flash sector size in KiB and N is the
15 number of sectors occupied by the FFS. For MokoFFS images the correct 15 number of sectors occupied by the FFS. For MokoFFS images the correct
16 organization argument is 64x7 (7 sectors of 64 KiB each), for Pirelli's FFS 16 organization argument is 64x7 (7 sectors of 64 KiB each), for Pirelli's FFS
17 images it is 256x18 (18 sectors of 256 KiB each), and for TIFFS images read out 17 images it is 256x18 (18 sectors of 256 KiB each), for TIFFS images read out of
18 of FreeCalypso development boards it is 256x8 (8 sectors of 256 KiB each). 18 Tango modules with S71PL064J flash it is 64x15 (15 sectors of 64 KiB each), and
19 for TIFFS images read out of FreeCalypso development boards with S71PL129N flash
20 it is 256x8 (8 sectors of 256 KiB each).
19 21
20 The following global options may be given before the image filename argument: 22 The following global options may be given before the image filename argument:
21 23
22 -a num 24 -a num
23 25
54 is working with a complete flash dump image, rather than just the FFS portion; 56 is working with a complete flash dump image, rather than just the FFS portion;
55 mokoffs -f gets translated into tiffs -o0x380000. (pirffs has no such option 57 mokoffs -f gets translated into tiffs -o0x380000. (pirffs has no such option
56 at all because Pirelli's FFS starts at offset 0 within its respective flash 58 at all because Pirelli's FFS starts at offset 0 within its respective flash
57 chip select.) 59 chip select.)
58 60
61 tiffs-8m is another similar wrapper; it is a more recent addition for working
62 with TIFFS images from platforms like D-Sample and Tango that use TI's 8 MiB
63 flash configuration. tiffs-8m strictly parallels mokoffs except than it is
64 64x15 instead of 64x7, and -f turns into -o0x700000 instead of -o0x380000.
65
59 The next argument after the FFS organization for tiffs (or after the image 66 The next argument after the FFS organization for tiffs (or after the image
60 filename for mokoffs/pirffs) is the command (or operation) to be performed. 67 filename for mokoffs, pirffs or tiffs-8m) is the command (or operation) to be
61 The following tiffs commands are currently available: 68 performed. The following tiffs commands are currently available:
62 69
63 General information commands 70 General information commands
64 ============================ 71 ============================
65 72
66 These commands display general or summary information about the FFS image: 73 These commands display general or summary information about the FFS image: