Supported File systems
Below are the file systems supported in u-boot against flash devices for platform and Zynq UltraScale+. "Raw" in below table means that it supports raw read/write to respective flash devices without any need of file systems.
|SD/eMMC||Raw, FAT, EXT2, EXT4||Raw, FAT, EXT2, EXT4|
|USB||FAT, EXT2, EXT4||FAT, EXT2, EXT4|
|SATA||----NA----||FAT, EXT2, EXT4|
|QSPI||Raw, UBIFS||Raw, UBIFS|
|Nand||Raw, UBIFS, JFFS2||Raw, UBIFS, JFFS2|
Please note that SD does not work in SD3.0 UHS modes by default. The dt parameter no-1-8-v has to be removed from corresponding sdhci node to work in UHS mode. Having no-1-8-v in sdhci node makes it to operate till SD High speed only.
Platform specific documentation