annotate se_k200i/tpudrv-notes @ 403:50c0fac9a4a8

compal/boot/c118-dfboot.disasm: new analysis
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 15 Jan 2023 00:54:33 +0000
parents 6c31d8c54ae4
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
393
6c31d8c54ae4 se_k200i: preliminary analysis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 Notes from OsmocomBB tinkerer steve-m, relayed to me (Mother Mychaela) through
6c31d8c54ae4 se_k200i: preliminary analysis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 Vadim, indicate that:
6c31d8c54ae4 se_k200i: preliminary analysis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3
6c31d8c54ae4 se_k200i: preliminary analysis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 * Calypso TSP signals going to Rita xcvr are wired per canon: TSPEN2 for strobe,
6c31d8c54ae4 se_k200i: preliminary analysis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 TSPACT0 for reset.
6c31d8c54ae4 se_k200i: preliminary analysis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6
6c31d8c54ae4 se_k200i: preliminary analysis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 * TSP controls to the PA are also TI-canonical: TSPACT9 for enable, TSPACT3 for
6c31d8c54ae4 se_k200i: preliminary analysis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 band select.
6c31d8c54ae4 se_k200i: preliminary analysis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9
6c31d8c54ae4 se_k200i: preliminary analysis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 * The two antenna switch controls (Tx low band, Tx high band) exactly match TI
6c31d8c54ae4 se_k200i: preliminary analysis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 Leonardo, specifically the cheapened 2-band version of that canonical
6c31d8c54ae4 se_k200i: preliminary analysis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 platform: TSPACT1 is Tx high band switch, TSPACT2 is Tx low band switch, both
6c31d8c54ae4 se_k200i: preliminary analysis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 inverted per canon.
6c31d8c54ae4 se_k200i: preliminary analysis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14
6c31d8c54ae4 se_k200i: preliminary analysis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 But here is the part that deviates from canon: Iota TEN is apparently wired to
6c31d8c54ae4 se_k200i: preliminary analysis
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 Calypso TSPEN1 instead of canonical TSPEN0!