HINTS

Ctrl-a,a,Ctrl-x - Exit picocom

Yocto

Prepare

Terminal

picocom -b 115200 /dev/ttyUSB0

TFTP Server (Docker way)

Source: https://hub.docker.com/r/pghalliday/tftp/

docker run -d --name tftp_server -p 0.0.0.0:69:69/udp -v /home/simon/work/yocto-training/__output/tftpboot:/var/tftpboot -i -t pghalliday/tftp 

How to check

tftp

How to shutdown

docker container stop tftp_server
docker container rm tftp_server

NFS Server (Docker way) with v3 support

https://hub.docker.com/r/erichough/nfs-server/ docker pull erichough/nfs-server

sudo modprobe {nfs,nfsd}
docker -d run --name nfs_server --privileged -v /home/simon/work/yocto-training/__output/rootfs/:/nfs -v  /home/simon/work/yocto-training/__output/exports:/etc/exports:ro -p 2049:2049 -p 2049:2049/udp -p 111:111 -p 111:111/udp -p 32765:32765 -p 32765:32765/udp -p 32767:32767 -p 32767:32767/udp erichough/nfs-server

How to check from machine:

sudo mount -v -o vers=3,loud localhost:/nfs ./nfs/

How to shutdown

docker container stop nfs_server
docker container rm nfs_server

Testing with community image

getting default image

wget https://rcn-ee.com/rootfs/bb.org/testing/2020-04-06/buster-console/bone-debian-10.3-console-armhf-2020-04-06-1gb.img.xz
unxz < ./bone-debian-10.3-console-armhf-2020-04-06-1gb.img.xz > ./bone-debian-10.3-console-armhf-2020-04-06-1gb.img
sudo mount -o loop,offset=4194304 bone-debian-10.3-console-armhf-2020-04-06-1gb.img ./squashfs/

copy to tftp server zImage2 and dtb2.dtb

UBoot Settings with pred

setenv ipaddr 192.168.0.100
setenv serverip 192.168.0.111
tftp $${loadaddr} zImage2
tftp $${fdtaddr} dtb2.dtb
setenv bootargs console=ttyO0,115200n8 root=/dev/nfs rw nfsroot=192.168.0.111:/,nolock, wsize=1024, rsize=1024 rootwait init=/linuxrc ip=192.168.0.100
bootz $${kern_addr} - $${fdtaddr}

https://clarkli86.wordpress.com/2015/08/18/nfs-boot-beaglebone-black/

UBoot Settings

setenv ipaddr 192.168.0.100
setenv serverip 192.168.0.111
tftp $${loadaddr} zImage
tftp $${fdtaddr} am335x-boneblack.dtb
setenv bootargs console=ttyO0,115200n8 root=/dev/nfs rw nfsroot=192.168.0.111:/nfs,nolock, wsize=1024, rsize=1024,nfsvers=3 rootwait init=/linuxrc ip=192.168.0.100
bootz $${kern_addr} - $${fdtaddr}

Last update:29 November 2020