Yocto Build SCFW
From Variscite Wiki
Yocto Build SCFW from source code
Install the SCFW toolchain
$ wget / $ sudo tar xf -C /opt
Download the SCFW source code
$ git clone -b
Build the SCFW image
$ cd imx-sc-firmware/src/scfw_export_ $ export TOOLS=/opt
$ make clean-qm $ make qm R=B0 B=var_som V=1
The SCFW image, scfw_tcm.bin, is located under build_