FreeCalypso > hg > freecalypso-reveng
annotate gtm900/fw-reg-config @ 337:814d3f24bed6
frbl/README: minor updates
| author | Mychaela Falconia <falcon@freecalypso.org> |
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| date | Thu, 12 Mar 2020 20:46:33 +0000 |
| parents | 6791499809e0 |
| children |
| rev | line source |
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6791499809e0
gtm900/fw-reg-config: note that the main config regs are as expected
Mychaela Falconia <falcon@freecalypso.org>
parents:
291
diff
changeset
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1 Reading the ASIC_CONF_REG, IO_CONF_REG and IO_CNTL_REG registers via ETM when |
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6791499809e0
gtm900/fw-reg-config: note that the main config regs are as expected
Mychaela Falconia <falcon@freecalypso.org>
parents:
291
diff
changeset
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2 the firmware is running shows the same values that are set by the Init_Target() |
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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. |
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6791499809e0
gtm900/fw-reg-config: note that the main config regs are as expected
Mychaela Falconia <falcon@freecalypso.org>
parents:
291
diff
changeset
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4 |
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291
7d0b9a3de444
gtm900/fw-reg-config note added
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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5 When the firmware is running, reading the ARMIO_LATCH_OUT register via ETM |
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7d0b9a3de444
gtm900/fw-reg-config note added
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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6 returns 0x3F07, i.e., GPIO outputs 0, 1 and 2 (RI, DSR, DCD) are 1s, meaning |
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7d0b9a3de444
gtm900/fw-reg-config note added
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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7 modem control signals inactive. |
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7d0b9a3de444
gtm900/fw-reg-config note added
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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8 |
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7d0b9a3de444
gtm900/fw-reg-config note added
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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9 APCOFF register setting in the Iota ABB is 0x070, same as in our reference fw. |