FreeCalypso > hg > fc-magnetite

comparison doc/Calypso-version-override @ 622:9f19cc5e46e8

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
FCDEV3B-751774 experiment documented
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 18 Nov 2019 05:03:15 +0000
parents 0d66718e5f33
children
comparison
equal deleted inserted replaced
621:0d66718e5f33 622:9f19cc5e46e8
1 TI's TCS211 program supported 3 different Calypso silicon versions on their 1 TI's TCS211 program supported 3 different Calypso silicon versions on their
2 D-Sample and Leonardo boards: C05B (CHIPSET 8, DSP 33), early C035 (CHIPSET 10, 2 D-Sample and Leonardo boards: C05B (CHIPSET 8, DSP 33), early C035 (CHIPSET 10,
3 DSP 34) and final C035 (CHIPSET 10, DSP 36). In FreeCalypso we generally work 3 DSP 34) and final C035 (CHIPSET 10, DSP 36). In FreeCalypso we generally work
4 only with the last chipset (final C035), but we would like to support the two 4 only with the last chipset (final C035), but we also support the two earlier
5 earlier ones as well, if possible. C05B has been partially exercised on the 5 ones to a good extent. C05B has been partially exercised on the Mother's
6 Mother's D-Sample board (non-functional Clara RF, no genuine tpudrv10.c source 6 D-Sample board (non-functional Clara RF, no genuine tpudrv10.c source and too
7 and too many unknowns), but the early C035 version with DSP 34 has not been 7 many unknowns, but at least some of the DSP-based audio services work), whereas
8 tested at all yet. 8 Calypso C035 with DSP 34 has been tested and found to work on a specially
9 modified FCDEV3B board - see the FCDEV3B-751774 article.
9 10
10 All 3 Calypso chip versions in question are footprint-compatible, i.e., they 11 All 3 Calypso chip versions in question are footprint-compatible, i.e., they
11 can all be populated onto the same PCB. Changing between C05 and C035 requires 12 can all be populated onto the same PCB. Changing between C05 and C035 requires
12 changing the VLRTC strapping on the Iota companion chip, thus not all boards 13 changing the VLRTC strapping on the Iota companion chip, thus not all boards
13 can support Calypso C05 (the newer ones are C035 only), but one can always 14 can support Calypso C05 (the newer ones are C035 only), but one can always
15 TI's own D-Sample and Leonardo development boards have most certainly been made 16 TI's own D-Sample and Leonardo development boards have most certainly been made
16 with all 3 Calypso silicon versions: D-Sample appears to support both C05 and 17 with all 3 Calypso silicon versions: D-Sample appears to support both C05 and
17 C035 on the same PCB; the schematics we have for Leonardo show fixed VLRTC 18 C035 on the same PCB; the schematics we have for Leonardo show fixed VLRTC
18 strapping for C035, but there also existed an earlier Leonardo version with 19 strapping for C035, but there also existed an earlier Leonardo version with
19 Calypso C05B. Our own FCDEV3B also has fixed C035-only VLRTC strapping, our 20 Calypso C05B. Our own FCDEV3B also has fixed C035-only VLRTC strapping, our
20 regular boards have final C035 chips on them, but we should be able to build 21 regular boards have final C035 chips on them, but we have put a D751774AGHH
21 some experimental boards with an early C035 variant (751774) for DSP 34 testing. 22 chip on one experimental board for DSP 34 testing.
22 23
23 In the case of target boards that can have different Calypso chip versions 24 In the case of target boards that can have different Calypso chip versions
24 populated on them, we want to be able to target all of them without creating a 25 populated on them, we want to be able to target all of them without creating a
25 configuration explosion. The implemented solution is that you can pass a target 26 configuration explosion. The implemented solution is that you can pass a target
26 argument to the ./configure.sh script of the following form: 27 argument to the ./configure.sh script of the following form: