CL-SOM-iMX7: U-Boot: Basic environment configuration
Contents
Introduction
This article describes basic, CL-SOM-AM57x module specific, U-Boot environment configuration.
Enable the baseboard I2C BUS
Set the environment variable baseboard_i2c_enable one of the following values to enable the I2C bus of the base board:
- yes
- true (default)
- 1
Display and console
The environment configurations regarding display and condole are described in a dedicated wiki article.
Device tree blob
Device tree blob file name. The variable fdtfile is updated automatically according to the detected base board:
- SB-SOM: set to imx7d-sbc-imx7.dtb.
- SBC-IOT or IOTG: set to imx7d-sbc-iot-imx7.dtb.
- Other base board: set to imx7d-cl-som-imx7.dtb.
Manual setting of fdtfile prevents automatic setting.
Serial number
Module serial number is set automatically in variable serial#.
Manual setting of serial# prevents automatic setting.