* Serial Console not taking input
@ 2020-04-22 14:24 Diez Roggisch
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From: Diez Roggisch @ 2020-04-22 14:24 UTC (permalink / raw)
To: u-boot
Hi,
I'm using u-boot v2018.07 within a custom product based on a Raspberry PI compute module 3. I have a serial console that works for output in u-boot, and out/input in Linux Land. So basic stuff like wiring, bps etc can be assumed working.
But I do not get to input any characters, meaning I can't play around with commands etc.
I rummaged throug the menuconfig and manual but so far to no avail.
Any pointers what could be at fault here, or how to investigate further?
As a note:a later version of u-boot is difficult to use due to the CM3 custom boot-loader. The most current one used in yocto/zeus - 2019/7 - works with the standard PI, but *not* with the CM3.
Cheers,
Diez
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