freetz@server:~/freetz-ng/tools$ ./push_firmware /home/freetz/freetz-devel/images/6820_07.12-freetz-master-20191217-8d93a8fe4.en_20191225-091316.image -ip 192.168.178.1 -f
* Analyzing '/home/freetz/freetz-devel/images/6820_07.12-freetz-master-20191217-8d93a8fe4.en_20191225-091316.image' ...
* Using command: ftp
* Target host: 192.168.178.1
* Outgoing IP: 192.168.178.112
* Flash mode: ram-boot
* Allowed memory size: 128 MB
* Designated linux_fs_start: <other>
* File: /home/freetz/freetz-devel/images/6820_07.12-freetz-master-20191217-8d93a8fe4.en_20191225-091316.image
* You should now reboot your box (192.168.178.1). Waiting for shut down.
Switch off, if reboot is not detected because it happens too quickly.
Some newer bootloader versions allow to flash on power-cycle only.
...........
* MAPSTART=0x80000000
* FULLSIZE=0x08000000 (128 MB)
* MAPLIMIT=0x88000000
* FILESIZE=0x01987700 (~25 MB)
* FREESIZE=0x06678900 (~102 MB)
* MTDSTART=0x86678900
* No reply from box, assuming switch-off or restart. Trying to re-detect box.
Waiting ........ found!
* Detected linux_fs_start: '1'
* Designated linux_fs_start: 0
* No reply from box, assuming switch-off or restart. Trying to re-detect box.
Waiting ......................................................................................................... found!
* Box is back up again, initiating transfer.
Debugging on (debug=1).
---> TYPE I
---> MEDIA SDRAM
---> SETENV memsize 0x06678900
---> SETENV kernel_args_tmp mtdram1=0x86678900,0x88000000
ftp: setsockopt (ignored): Permission denied
---> PASV
---> STOR 0x86678900 0x88000000
---> SETENV linux_fs_start 0
---> QUIT
lg