Knowledgebase: Unified Communications > SmartNode
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U-Boot firmware recovery for Trinity SmartNodes SN49xx, SN49xxA, SN54xx
Posted by Christoph Zahler, Last modified by Christoph Zahler on 25 September 2019 04:53 AM
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From u-boot mode a firmware upgrade or firmware recovery, is done as per the following instructions. This article is valid for the following devices: Atlas large SN4970A SN4980A SN4990A SN5481 SN5491 Atlas small Download the usual installation file from: https://www.patton.com/support/upgrades/ (e.g. SN4980A_3.xx.x.tar) Extract the .tar file to your tftp root directory The following file must be renamed: For old HW version patton_atlas_large_old_cpld.dtb ---> fdt.dtb or for new HW version patton_atlas_large.dtb ---> fdt.dtb Connect a computer to the console interface and restart the SmartNode. You will see the Prompt "=>". How to force the SmartNode entering the bootloader/u-boot mode: While connected with your computer to the console interface, perform a restart of the SmartNode. Type stop to stop autoboot. When doing so, the boot process will be aborted and the SmartNode remains in u-boot mode. "=>" 1. Set the IP of the SmartNode: setenv ipaddr <device ip address> 2. Set the netmask for the SmartNode: setenv netmask <device netmask> 3. Set the TFTP server IP: setenv serverip <tftp server ip address> 4. Specify the right folder of your TFTP server where the image file is located: setenv tftproot <path> for tftp root directory setenv tftproot . 5. run getfdt1 wait for the image to be downloaded 6. run getkernel1 wait for the image to be downloaded 7. run getrootfs1 wait for the image to be downloaded 8. Type in: reset 9. If Trinity is running correctly check the log in Trinity CLI (show log error) If there is an error Trinity is running. Perform a normal firmware upgrade again. | |
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