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RADXA ROCK_PI_4 ================ https://rockpi.org/rockpi4 ROCK Pi 4 is a Single Board Computer (SBC) from radxa. This guide is valid for the below models: - ROCK PI 4 Model A - ROCK PI 4 Model B - ROCK PI 4 Model C Build: ====== $ make rock_pi_4_defconfig $ make Files created in output directory ================================= output/images ├── bl31.elf ├── boot.vfat ├── extlinux ├── idbloader.img ├── Image ├── rk3399-rock-pi-4.dtb ├── rootfs.ext2 ├── rootfs.ext4 -> rootfs.ext2 ├── rootfs.tar ├── sdcard.img ├── u-boot.bin └── u-boot.itb Creating bootable SD card: ========================== Simply invoke (as root) sudo dd if=output/images/sdcard.img of=/dev/sdX && sync Where X is your SD card device. Booting: ======== Serial console: --------------- RockPi4 has a 40-pin GPIO header. The pin layout is as follows: pin 6: gnd pin 8: tx pin 10: rx Baudrate for this board is 1500000. Login: ------ Enter 'root' as login user, and the prompt is ready. Wiki link: https://wiki.amarulasolutions.com/bsp/rockchip/rk3399/rock-pi-4.html