Steps to replace the Wi-Fi/Bluetooth firmware on the i.MX 8M series on Linux
Applicable to versions L5.4.47, L5.4.70, L5.10.9
1. Download the newest firmware.
you can download the attachment in this thread and unzip it.
2. Copy it to the EVK board.
3. Copy the firmware to /lib/firmware/nxp
root@imx8mmevk: cp pcieuart8997_combo_v4.bin sdiouart8987_combo_v0.bin /lib/firmware/nxp
If the Linux version is L5.4.3,Then the step3 is to copy firmware to lib/firmware/mrvl/
root@imx8mmevk: cp pcieuart8997_combo_v4.bin sdiouart8987_combo_v0.bin /lib/firmware/mrvl