Buildroot 2023.05 for Lichee Pi Zero (Allwinner V3s)

This repository contains Buildroot 2023.05 configured for the Lichee Pi Zero development board, based on the Allwinner V3s (ARM Cortex-A7) SoC.

Project Structure

my-buildroot-project/
├── buildroot/              # Buildroot 2023.05 source
├── configs/                # (optional) Custom configs will go here
└── board/licheepi-zero/    # (optional) Board-specific files

Requirements

Tool	Version
Host OS	Linux (Ubuntu recommended)
GCC Toolchain	Installed by Buildroot
Dependencies	git build-essential ncurses-dev bison flex python3
SD Card	8GB or more

Install dependencies (Ubuntu)

sudo apt update
sudo apt install git build-essential bc bison flex libssl-dev ncurses-dev python3 wget cpio unzip

Build Instructions

cd buildroot
make distclean
make licheepi_zero_defconfig
make -j$(nproc)

Output Files

Located in:

buildroot/output/images/

File	Description
rootfs.ext4	Root filesystem
u-boot-sunxi-with-spl.bin	Bootloader
zImage	Kernel
sun8i-v3s-licheepi-zero.dtb	Device Tree

Flash to SD Card

cd buildroot/output/images/
sudo dd if=u-boot-sunxi-with-spl.bin of=/dev/sdX bs=1024 seek=8

Partition layout:

Partition	Format	Purpose
p1	FAT32	Kernel + DTB
p2	EXT4	Rootfs

Serial Console

• Baud: 115200
• Command:

picocom -b 115200 /dev/ttyUSB0

Login:

root

Resources

• Buildroot Manual: https://buildroot.org/downloads/manual/manual.html
• Lichee Pi Zero Docs: https://licheepizero.readthedocs.io
• Linux-Sunxi: https://linux-sunxi.org

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