Bianbu Linux 1.0 Release Notes

v1.0.15 release note

Release data: 2024-9-7

Major Updates

• Update aic8800 firmware path

v1.0.14 release note

Release data: 2024-8-31

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 SPINOR partitions create failed issue
• Update rcpu firmware
• Optimization of kernel module loading speed

v1.0.13 release note

Release data: 2024-8-16

Major Updates

• Supports using inxi to get the CPU temperature
• Fixes SSD compatibility issues in u-boot
• Fixes an error that occurs when more than 16 bootarg parameters are used in u-boot env
• Fixes an crash issue when CAN transmission at 8M baud rate
• [MUSE Book] Fixes power key event error when LID switching frequently
• [MUSE Book] Supports ADB

v1.0.12 release note

Release data: 2024-8-2

Major Updates

• Support aic8800 WiFi module

v1.0.11 release note

Release data: 2024-8-1

Major Updates

• Support EEPROM programming with part number
• Support power on/off for rtl8852be on suspend
• Update pin-up and pull-down states
• Fix PWM clock configuration error under u-boot
• Fix GMAC Phy failing to enter low-power mode on suspend
• Fix abnormal behavior of WiFi and GMAC functions when CPU runs at 1.8GHz@1.16v
• Fix Samsung 970pro 1T SSD being recognized as 1 lane
• [MUSE Book] Fix the issue where battery level shows only 99% after fully charged
• [MUSE Book] Improve wake-up speed to within 2 seconds after suspend

v1.0.9 release note

Release data: 2024-7-20

Major Updates

• Fixes an issue where MIPI DSI screen JD9365DA displays nothing
• [MUSE Book] Resolves a low-probability issue of no display during boot or flashing
• [MUSE Book] Fixes a low-probability issue of flickering logo during boot
• [MUSE Book] Fix the issue where battery level shows only 99% even after fully charged
• [MUSE Book] Fixes a low-probability issue of immediate wakeup after suspend and abnormal (high) power consumption during suspend

v1.0.8 release note

Release data: 2024-7-16

Major Updates

• Update the RTL8852BU driver and firmware to fix bluetooth related issues.
• Resolve the issue of no sound output on select HDMI displays.
• Address the issue of abnormal sound after waking up from suspend mode in certain scenarios.
• [MUSE Card Support] Enable compatibility with MUSE Card.

v1.0.7 release note

Release data: 2024-7-11

Major Updates

• Supports more CPU frequency scaling policies
• Enables WiFi/USB wake-up capabilities
• Allows checking chip names, version numbers, and more
• Fixes an issue with incorrect PWM frequency configuration
• Resolves an issue where some 16GB DDR modules were inaccessible
• Fixes a low-probability error in headphone detection
• Addresses a low-probability issue of no sound after waking up from sleep
• Resolves an extremely rare kernel panic issue with rtl8852be
• [BPI-F3] Fixes an issue where touchpac was not functioning
• [MUSE Book] Resolves an issue where u-boot could not be updated online
• [MUSE Book] Fixes a low-probability issue of flickering boot logo

v1.0.5 release note

Release data: 2024-6-28

Major Updates

• u-boot supports CPU 1.6GHz@1.05v
• Supports LPDDR4 type DDR particles
• Supports ota7290b MIP screen
• Supports es7210/es8516 audio codec
• Fixes audio playback noise issues
• Fixes HDMI EDID acquisition defects, supporting complete 256 byte EDID
• Fixes Crypto non-16 byte alignment processing errors
• Fixes rtl8852be sleep and wakeup anomalies
• Fixes u-boot SPINOR low probability erase and write failure issues
• Fixes u-boot Sandisk 128GB eMMC HS400 mode read-write errors
• Fixes u-boot NVMe SSD read-write issues under certain conditions
• [MUSE Box] Supports DP plug-in and pull-out dynamic detection
• [MUSE Book] Fixes probabilistic screen glitches during startup and wakeup
• [MUSE Book] Fixes probabilistic inability to wake up the screen from sleep
• [MUSE Book] Fixes camera high-resolution lag issues
• [MUSE Book] Optimizes eDP screen initialization speed
• [MUSE Book] Optimizes eDP screen backlight brightness curve

v1.0.3 release note

Release date: 2024-6-19

Major Updates

• Support for codec chip es8316 on Linux 6.1
• u-boot supporting SPI drivers
• Fixed the issue of not waking up after long-term sleep
• Fixed the low-probability issue of sound card creation failure
• Fixed the low-probability issue of i2c communication timeout
• Fixed the issue of pcie 2 lane not adaptively supporting 1 lane
• Fixed the low-probability CRC error issue of SDIO WiFi under low temperature
• [BPI-F3] Supporting fan cooling function
• [MUSE Pi] Supporting MIPI-CSI Sensor
• [MUSE Box] Supporting sound card headset and Mic detection function
• [MUSE Box] Supporting DP display function (Note: Not supporting hot swapping)
• [MUSE Book] Supporting logo display during u-boot phase
• [MUSE Book] Updating production testing tools
• [MUSE Book] Fixed the issue of not being able to obtain the display EDID

v1.0 release note

Release date: 2024-5-30

Features

Main components

• OpenSBI 1.3
• U-Boot 2022.10
• Linux 6.1
• 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

Know issue

• Suspend to ram is not ready