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How to enable DEBUG logs in U-Boot?
1 Debug with console↑ By default, the macros used by U-Boot (debug(), pr_debug()…) do not print any trace; to activate the debug traces on a specific file, you need to enable the DEBUG compilation flag and change the LOGLEVEL for the file: define DEBUG before any include in the .
How do I disable serial ports?
Enabling or disabling the BIOS Serial Console Port
- From the System Utilities screen, select System Configuration > BIOS/Platform Configuration (RBSU) > BIOS Serial Console and EMS Options > BIOS Serial Console Port.
- Auto. Physical Serial Port. Virtual Serial Port.
- Save your setting.
Where does the logging come from in U-Boot?
U-Boot’s logging feature aims to satisfy this goal for both users and developers. There are a number logging levels available. Logging can come from a wide variety of places within U-Boot. Each log message has a category which is intended to allow messages to be filtered according to their source.
Is there a way to interrupt U-Boot during boot?
Normally, u-boot can be interrupted by hitting Escape on serial console during boot. But, it really depends on how u-boot was configured by OEM. Also, keep in mind that there is no such thing as single coherent u-boot – it has at least 40 semi-official forks and god knows how many unofficial ones.
How to get into uBoot command prompt in Linux?
Update the question so it’s on-topic for Stack Overflow. Closed 8 years ago. I have a system that booted into Linux using UBOOT. I can see that it is booting when I connect to it via serial port. How can I stop it booting UBOOT and get the UBOOT command prompt?
Why is my serial terminal not working at Uboot?
If that does not work, if could be that your serial terminal program is not configured to the same settings as was provisioned by OEM – speed, parity, flow control, etc.