[Buildroot] [RPi 3B] ttyAMA0 serial port device doesn't exist on raspberry pi 3B

Peter Korsgaard peter at korsgaard.com
Tue Apr 19 20:41:46 UTC 2016


>>>>> "Oscar" == Oscar Gomez Fuente <oscargomezf at gmail.com> writes:

 > Hi everyone,
 > I'm using buildroot-2016.02 and I'm trying to make a rootfs for the
 > raspberry pi 3B. I've just used the raspberrypi2_defconfig. And everything
 > works fine except the serial port /dev/ttyAMA0.... I can see characters on
 > the serial port but they are garbage characters...

 > This is my config.txt, I'm using the bcm2710-rpi-3-b.dtb file:

I believe ttyAMA0 is connected to the bluetooth module on rpi3 and you instead
need to use ttyS0:

https://www.raspberrypi.org/forums/viewtopic.php?f=29&t=138120

-- 
Bye, Peter Korsgaard


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