[yocto] thud, beaglebone-yocto.conf: SERIAL_CONSOLES setting

[Kevin Hao]

On Wed, Oct 31, 2018 at 02:23:00PM +0100, Heiko Schocher wrote:
> Hello all,
> 
> just builded core-image-minimal with current head of thud branch for
> the beaglebone-yocto machine, with linux 4.14.x LTS "Linux version 4.14.78",
> installed the resulting sd card image and boot it, and get:
> 
> INIT: Id "O0" respawning too fast: disabled for
> 5 minutes
> 
> Reason seems to be:
> 
> meta-yocto-bsp/conf/machine/beaglebone-yocto.conf
> 
> SERIAL_CONSOLES = "115200;ttyO0"
> 
> shouldn't this be
> 
> SERIAL_CONSOLES = "115200;ttyS0"
> 
> With this fix, sd card image boot fine ... may I oversee seomthing
> obvious ?

No, it should be 'ttyO0'. It is set by the omap serial driver. You can
refer the following in platform_data/serial-omap.h:
  #define OMAP_SERIAL_NAME        "ttyO"

Thanks,
Kevin

> 
> bye,
> Heiko
> -- 
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