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extlinux.conf 1278ddf908 init buildroot source vor 3 Jahren
genimage.cfg 1278ddf908 init buildroot source vor 3 Jahren
post-build.sh 1278ddf908 init buildroot source vor 3 Jahren
readme.txt 1278ddf908 init buildroot source vor 3 Jahren

readme.txt

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