kumquat-buildroot/board/pine64/rockpro64/readme.txt

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PINE64 ROCKPro64
================
https://www.pine64.org/rockpro64/
Build:
======
$ make rockpro64_defconfig
$ make
Files created in output directory
=================================
output/images
├── bl31.elf
├── boot.vfat
├── extlinux
├── idbloader.img
├── Image
├── rk3399-rockpro64.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:
========
RockPro64 has a 40-pin PI-2 GPIO Bus.
Connect a jumper between pin 23 and pin 25 for SD card boot.
Serial console:
---------------
The pin layout for serial console on PI-2 GPIO Bus is as follows:
pin 6: gnd
pin 8: tx
pin 10: rx
Initially connect pin 6 and pin 8(transmit). Apply power to RockPro64, once the
power is on then connect pin 10(receive).
Baudrate for this board is 1500000.
Login:
------
Enter 'root' as login user, and the prompt is ready.
https://wiki.amarulasolutions.com/bsp/rockchip/rk3399/rockpro64.html