Installation
------------------
Unpack the IMAGE file and copy the image an SD card: (assuming SD card at /dev/mmcblk0):

  # zstd -d irradium-*-core-*-build-*.img.zst
  # dd if=irradium-*-core-*-build-*.img of=/dev/mmcblk0 bs=1M

or unpack directly to the card

  # zstdcat irradium-*-core-*-build-*.img.zst > /dev/mmcblk0


Instalation eMMC/NAND/USB-HDD
------------------
to transfer a system with the SD to eMMC, you need to boot from the start and run the script:
  # transfer-to-disk


Default Login
------------------
login: root


Recover Orange Pi 5 / 5B / 5 Plus / 5 Pro / 5 Max / 5 Ultra
------------------
Press and hold the MASKROM button, then plug in USB power and release the MASKROM button

  # sudo rkdeveloptool ld
  # sudo rkdeveloptool db rk3588_spl_loader_v1.08.111.bin
  # sudo rkdeveloptool ul rk3588_spl_loader_v1.08.111.bin
  # sudo rkdeveloptool td
  # sudo rkdeveloptool rd


Write u-boot to SPI Orange Pi 5 / 5B / 5 Plus / 5 Pro / 5 Max / 5 Ultra
------------------
Press and hold the MASKROM button, then plug in USB power and release the MASKROM button

  # sudo rkdeveloptool db rk3588_spl_loader_v1.08.111.bin
  # sudo rkdeveloptool wl 64 idbloader.img
  # rkdeveloptool rd


Orange Pi 5 Pro Support
------------------
After first boot, edit /boot/uEnv.txt and change:
  fdtfile=rockchip/rk3588-orangepi-5-plus.dtb
to
  fdtfile=rockchip/rk3588-orangepi-5-Pro.dtb


Orange Pi 5 Ultra Support
------------------
After first boot, edit /boot/uEnv.txt and change:
  fdtfile=rockchip/rk3588-orangepi-5-plus.dtb
to
  fdtfile=rockchip/rk3588-orangepi-5-ultra.dtb