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SK-AM62A-LP: How to boot with rproc mode on OSPI NAND Flash

Part Number: SK-AM62A-LP

Tool/software:

Hi

I have already booted Linux from the OSPI NAND flash.
I want to enable remote processor (rproc) mode to load the MCU firmware for using the TIOVX GStreamer plugin.
How can I fix the issue?

=> run args_all
=> run args_ospi_nand
=> setenv boot ospi_nand
=> ubi part ${ospi_nand_bootpart}
ubi0: attaching mtd6
ubi0: scanning is finished
ubi0: attached mtd6 (name "ospi_nand.rootfs", size 95 MiB)
ubi0: PEB size: 262144 bytes (256 KiB), LEB size: 253952 bytes
ubi0: min./max. I/O unit sizes: 4096/4096, sub-page size 4096
ubi0: VID header offset: 4096 (aligned 4096), data offset: 8192
ubi0: good PEBs: 383, bad PEBs: 0, corrupted PEBs: 0
ubi0: user volume: 1, internal volumes: 1, max. volumes count: 128
ubi0: max/mean erase counter: 2/0, WL threshold: 4096, image sequence number: 2012435232
ubi0: available PEBs: 0, total reserved PEBs: 383, PEBs reserved for bad PEB handling: 10
=> ubifsmount ${ospi_nand_bootvolume}
=> rproc init
=> run boot_rprocs_mmc
File not found.
Failed to load '/lib/firmware/am62a-mcu-r5f0_0-fw'
File not found.
Failed to load '/lib/firmware/am62a-c71_0-fw'
File not found.
Failed to load 'args_all'
File not found.
Failed to load 'args_ospi_nand'