Figure 8-7: Force flashing incompatible firmware.
If the hardware version is higher or equal to 5.0 and the software version is lower
than 3.4, flashing will not be possible and a warning will be given.
Figure 8-8: Flashing hardware v5.0 with incompatible firmware.
8.2.3 Using SSH/SCP
A new firmware can be updated using SSH and SCP protocols. This method allows a
secure way to perform a batch firmware update to many devices at the same time.
The first step of this method is to upload the corresponding firmware to the root folder of
the device using SCP:
scp wr- zynq- os- v3.2- RC1- 20210325- ZENv3.x_ binaries.tar
root@<deviceip>:~
Then login to the device with SSH:
ssh root@<deviceip>
And finally run the wrz_flashfw tool to handle updates with the reboot flag if no errors
were detected:
root@be-dist8-684:~# wrz_flashfw -r ~/ wr-zynq-os-v3.2-RC1-20210325-
ZENv3.x_binaries.tar
If the uploaded version is lower than 3.4, a factory reset is mandatory. If this is the case, the
following message will prompt after executing the previous command:
8.2 Firmware Update
CHAPTER 8 • WR-Z16 User Manual Rev. v3.4
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