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Machine configurations come with either UFS or eMMC storage enabled by default, and these settings are reflected in the prebuilt images. If you need to modify the storage type, you must update the configuration and rebuild the image, as this cannot be changed in prebuilt binaries. The default storage configurations for supported platforms are
MachineStorage Type
IQ-9075-EVKUFS
IQ-8275-EVKUFS
QCS6490UFS
IQ-615-EVKEMMC
IQ-X7181-EVKUFS/SPINOR
IQ-X5121-EVKUFS/SPINOR
To modify the default storage type for your machine, follow these steps
  • Navigate to the conf/machine directory in the meta-qcom layer 
    cd meta-qcom/conf/machine
  • Check the machine configuration to figure out which storage is currently enabled 
    cat iq-9075-evk.conf | grep "QCOM_PARTITION_FILES_SUBDIR"
  • Update the QCOM_PARTITION_FILES_SUBDIR variable in the machine.conf to set the correct storage type 
    QCOM_PARTITION_FILES_SUBDIR ?= "partitions/iq-615-evk/emmc"