FreeCalypso > hg > freecalypso-reveng

annotate gtm900/fw-reg-config @ 403:50c0fac9a4a8

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compal/boot/c118-dfboot.disasm: new analysis
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 15 Jan 2023 00:54:33 +0000
parents 6791499809e0
children
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292
6791499809e0 gtm900/fw-reg-config: note that the main config regs are as expected
Mychaela Falconia <falcon@freecalypso.org>
parents: 291
diff changeset
1 Reading the ASIC_CONF_REG, IO_CONF_REG and IO_CNTL_REG registers via ETM when
6791499809e0 gtm900/fw-reg-config: note that the main config regs are as expected
Mychaela Falconia <falcon@freecalypso.org>
parents: 291
diff changeset
2 the firmware is running shows the same values that are set by the Init_Target()
6791499809e0 gtm900/fw-reg-config: note that the main config regs are as expected
Mychaela Falconia <falcon@freecalypso.org>
parents: 291
diff changeset
3 code we have disassembled.
6791499809e0 gtm900/fw-reg-config: note that the main config regs are as expected
Mychaela Falconia <falcon@freecalypso.org>
parents: 291
diff changeset
4
291
7d0b9a3de444 gtm900/fw-reg-config note added
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 When the firmware is running, reading the ARMIO_LATCH_OUT register via ETM
7d0b9a3de444 gtm900/fw-reg-config note added
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 returns 0x3F07, i.e., GPIO outputs 0, 1 and 2 (RI, DSR, DCD) are 1s, meaning
7d0b9a3de444 gtm900/fw-reg-config note added
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 modem control signals inactive.
7d0b9a3de444 gtm900/fw-reg-config note added
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8
7d0b9a3de444 gtm900/fw-reg-config note added
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 APCOFF register setting in the Iota ABB is 0x070, same as in our reference fw.