u-boot-nezha 2022.10-1089-g528ae9bc6c-0ubuntu1.23.04.2 (riscv64 binary) in ubuntu lunar

 Das U-Boot is a cross-platform bootloader for embedded systems,
 used as the default boot loader by several board vendors. It is
 intended to be easy to port and to debug, and runs on many
 supported architectures, including PPC, ARM, MIPS, x86, m68k,
 NIOS, and Microblaze.
 .
 This package includes boot loaders for the Allwinner Nezha board.
 For booting you additionally need the nezha-boot0 package.