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Buildroot 2.0 Release Notes [End of Life]

Buildroot 2.0 will reach end of maintenance on July 31, 2025. We recommend using version 2.2 or later. If you have any questions, please contact us.

v2.0.4 release note​

Release date: 2024-12-11

Major Updates​

  • Fixed the issue of illegal instruction with openssl speed -evp chacha20
  • Fixed errors in certain scenarios with rwsem/spinlock
  • Optimized PCIe enumeration time in u-boot
  • Improved kernel boot speed
  • Optimized PCIe memory range definition to enhance NVMe SSD read/write performance
  • Updated GPU driver to v24.2
  • Added support for GRUB

v2.0.2 release note​

Release date: 2024-11-11

Major Updates​

  • u-boot supports non-AI extension cores as boot cores
  • Supports Hynix LPDDR4x DRAM chips
  • Supports DDR bandwidth statistics tool
  • Supports es8323 audio codec chip
  • Supports rt-linux patch
  • Supports AMD graphics cards
  • Fixed the issue where the system would freeze due to excessive interrupts from rtl8852bs after shutting down CPUs 1 to 7
  • Fixed the issue where the PWM on gpio74 pin was not working properly
  • Fixed the issue where Node.js would occasionally encounter illegal instructions
  • Disabled the LOCKDEP option to avoid affecting system performance

v2.1 release note​

Release date: 2024-10-28

Major Updates​

  • Fix warning messages after enabling kernel LOCKDEP options
  • [MUSE Book] Fix the issue of abnormal wake-up from suspend

v2.0 release note​

Release date: 2024-10-22

Major Updates​

  • Fix u-boot keyboard compatibility issues
  • Fix the issue of no bootlogo when SPINOR boots eMMC
  • Add NFS boot support to u-boot
  • Fix several kernel Oops issues
  • Temporarily fix kernel Hung issues in certain scenarios

v2.0rc7 release note​

Release date: 2024-9-30

Major Updates​

  • Fix the issue of card mass production failure
  • Fix the memory out-of-bounds access issue in the rtl8852bs driver
  • Fix the error in setting gpio in the rf driver
  • Fix the bootlogo flickering issue
  • Update sdio delay parameters to improve sdio stability
  • Add ADC functionality for the P1 chip

v2.0rc6 release note​

Release date: 2024-9-10

Major Updates​

  • [MUSE Book] Optimize screen wakeup speed

v2.0rc5 release note​

Release date: 2024-9-2

Major Updates​

  • Update rcpu firmware

v2.0rc4 release note​

Release date: 2024-8-29

Major Updates​

  • Support u-boot PWM control of LCD backlight
  • Support u-boot fuel gauge framework
  • Support MIPI DSI display jd9365dah3
  • Support Type-C chip husb239
  • Fix u-boot EFI free memory issue
  • Fix u-boot low probability LCD screen flickering issue
  • Fix I2C abnormality during shutdown
  • Optimization of kernel module loading speed

v2.0rc3 release note​

Release date：2024-8-10

Features​

Main components​

  • OpenSBI 1.3
  • U-Boot 2022.10
  • Linux 6.6.36
  • buildroot 2023.02.9
  • onnxruntime 1.15.1
  • img-gpu-powervr 23.2: GPU DDK
  • mesa3d 22.3.5
  • QT 5.15 (with GPU enabled)
  • k1x-vpu-firmware: Video Process Unit firmware
  • k1x-vpu-test: Video Process Unit test program
  • k1x-jpu: JPEG Process Unit API
  • k1x-cam: CMOS Sensor and ISP API
  • mpp: Media Process Platform
  • FFmpeg 4.4.4 (with Hardware Accelerated)
  • GStreamer 1.22.8 (with Hardware Accelerated)
  • v2d-test: 2D Unit test program
  • factorytest: factory test app

Main drivers​

System

  • clk
  • pinctrl
  • timer
  • watchdog
  • RTC
  • DMA
  • msgbox
  • spinlock
  • TCM

Interface

  • USB 2.0/3.0
  • PCIe 2.1
  • UART
  • I2C
  • SPI
  • PWM
  • CAN

Storage

  • MMC (sdcard/eMMC/SDIO)
  • SPI NOR
  • NVMe SSD

Network

  • GMAC
  • WiFi
  • BT

Display

  • DPU
  • GPU
  • MIPI DSI
  • HDMI 1.4

Media

  • VPU
  • JPU
  • V2D
  • V4L2
  • CMOS Sensor
  • ISP
  • I2S
  • HDMI Audio

Power

  • cpufreq
  • thermal
  • PMIC

Crypto

  • AES