Transclusion: CL-SOM-iMX7: U-Boot: Firmware Update

Updating from TFTP server

• Setup a TFTP server
• Put the firmware binary image cl-som-imx7-firmware from U-Boot package for CL-SOM-iMX7 in the root directory of the TFTP server
• Setup U-Boot networking:

for dynamic IP configuration:

CL-SOM-iMX7 # dhcp

or for static IP configuration:

CL-SOM-iMX7 # setenv ipaddr <ip address>

• Setup the TFTP server ip address:

CL-SOM-iMX7 # setenv serverip <server ip>

• Download the firmware binary into the memory:

CL-SOM-iMX7 # tftpboot ${loadaddr} cl-som-imx7-firmware

• Proceed to Flashing images section

Flashing images

• Make U-Boot probe the on-board SPI flash:

CL-SOM-iMX7 # sf probe

• Erase the on-board SPI flash:

CL-SOM-iMX7 # sf erase 0 ${ubootsize}

• Write the firmware image into the on-board SPI flash:

CL-SOM-iMX7 # sf write ${loadaddr} 0 ${ubootsize}

• Reset the CL-SOM-iMX7 evaluation platform.

Default environment

It is recommended to set default environment after updating the U-Boot version:

CL-SOM-iMX7 # env default -a
CL-SOM-iMX7 # saveenv