freecalypso-reveng: gtm900/fw-reg-config annotate

annotate gtm900/fw-reg-config @ 404:ceb71478414d

tfo: find-is-hdr program written

author	Mychaela Falconia <falcon@freecalypso.org>
date	Sat, 11 Mar 2023 18:16:22 +0000
parents	6791499809e0
children

rev	line source
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.