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https://forum.hyperion-entertainment.com/viewtopic.php?t=5022
Please add console=ttyS0,115200 to the boot arguments.Roland wrote: Sat Apr 27, 2024 6:31 pm How can I activate 'ttyUSB0' in PPC Linux distros? In Ubuntu18 it is enough to plug in an USB device using that (e.g. a USB-SER adapter), the ttyUSB0 appears automatically into /dev. But that does not happen with any of the PPC distros (MintPPC, Fienix, Ubuntu16) I tested.
I added "console=ttyS0,38400", but that did not help...
It is _not_ the RS-232 port I want to use but read the MCU debug output (connector on motherboard) via an USB port. The baudrate for it is 38400.Further information: X5000 via null modem RS-232 serial cable
I am sorry, I don't have any experiences with the MCU supervisor interface.Roland wrote: Sun Apr 28, 2024 12:25 pm It is _not_ the RS-232 port I want to use but read the MCU debug output (connector on motherboard) via an USB port. The baudrate for it is 38400.
With Ubuntu18 (on a portable), I can access the MCU simply with "sudo screen /dev/ttyUSB0 38400" in a terminal, nothing else is needed.
All that is probably meaningless what comes to this issue... The MCU is just one possible target for the adapter cable. I think he problem is that OS does not communicate with the adapter (and the chip used in it) properly. Is there missing a driver from the kernel?!xeno74 wrote: Mon Apr 29, 2024 8:31 pm
I am sorry, I don't have any experiences with the MCU supervisor interface.
I only know that it provides voltage and temperature monitoring for the CPU.
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...
CONFIG_USB_SERIAL_PL2303=m
# CONFIG_USB_SERIAL_CP210X is not set
...
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CONFIG_USB_SERIAL_PL2303=m
# CONFIG_USB_SERIAL_CP210X is not set
...
No, I did not remember there were also those modules which are not compiled in the kernel...xeno74 wrote: Tue Apr 30, 2024 5:02 am Have you already tested it with installed kernel modules? (PL2303)
. Code: Select all
>> help
command description
======= ======================================================
help Print this help list
id Identify (report h/w and f/w revisions)
id date Identify (report h/w and f/w revisions build date)
p Power up all supplies
s Shut down all supplies
q Toggle printing
v Print voltages and temperatures
OK
>> id
Cyrus Plus
MCU Firmware Version 2.5
Hardware Version 2.2
CPLD Version 1.0
Dual Ethernet devices fitted.
Release Build
OK
>> v
- vcc_cpld: 3.32
- vdd_3v3_xorro: 3.31
- vdd_1v0_idt: 1.01
- vdd_1v0_xorro: 1.00
- vdd_3v3: 3.35
- vdd_2v5: 2.50
- vdd_1v2_eth: 1.20
- vdd_pl: 1.03
- vdd_ca: 1.20
- vdd_cb: 1.19
- vdd_ddr3_io: 1.49
- vdd_xvdd_fl: 1.82
- pcb_temp: 41 deg C
- cpu_temp: 59 deg C
- pex_temp: 59 deg C
- FAN RPM: 0
OK
>>
They are only loaded once the devices have been recognized.Roland wrote: Tue Apr 30, 2024 8:40 am Are they eating memory when the machine is booted, or are they loaded only if some device try to call them?