The Internode Mirror contains a wide selection of software for download by Internode customers.
File Download Mirror Directory Listing
Index of /pub/linux/debian/dists/oldstable/main/installer-armhf/20210731+deb11u12/images/u-boot/PandaBoard/
Index of /pub/linux/debian/dists/oldstable/main/installer-armhf/20210731+deb11u12/images/u-boot/PandaBoard/