u-boot-rpi 2023.07+dfsg-1ubuntu1 (armhf binary) in ubuntu mantic

 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 various Raspberry PI
 platforms.
 .
 Included platforms:
 rpi_2
 rpi_3_32b
 rpi_4_32b