11-18-2022, 01:32 PM
No, it's not. The maskrom can only boot from SPI, SD or eMMC. You can however put an u-boot on a small SD card that then boots the kernel from USB.
Occasional Linux Kernel Contributor, Avid Wiki Updater, Ask Me About Quartz64
Open Hardware Quartz64 Model A TOSLink Adapter
Pi-bus GPIO Extender For ROCKPro64 And Quartz64 Model A
Plebian GNU/Linux