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Contents

  • Vaaman SBC
    • Overview
    • Getting Started
    • Vaaman Linux Documentation
      • Linux Development Guide
        • U-Boot
        • Linux Kernel
        • Linux SDK
      • Linux Configuration Guide
        • Vicharak Linux Configuration Utility
        • Vicharak APT Configuration Guide
      • Linux Usage Guide
        • Vicharak Linux Start Guide
        • Rockchip MaskROM mode Guide
        • Rockchip DevelopTool Guide
          • Windows RKDevTool
          • Linux Upgrade Tool (upgrade_tool)
        • How to flash FPGA firmware to SPI Flash
        • How to flash different Rockchip images using upgrade tool
        • How to use Vicharak kernel building scripts
        • U-Boot USB Mass Storage (UMS) mode
        • Vaaman GPIO Programming Guide
    • FPGA
      • Installation
      • Usage
      • FPGA-Programming
      • Examples
    • Vaaman Remote Upload Documentation
    • Periplex
      • Installation
      • Usage
      • Peripherals
        • UART
        • I2C
        • GPIO
        • PWM
        • WS
        • SPI
        • ONE-WIRE
        • CAN
        • I2S
        • I2C-SLAVE
    • Frequently Asked Questions
  • Axon SBC
    • Overview
    • Getting Started
    • Axon Linux Documentation
      • Linux Usage Guide
        • Rockchip DevelopTool Guide
          • Windows RKDevTool
          • Linux Upgrade Tool (upgrade_tool)
        • How to Flash Raw Image into External Device
        • Axon GPIO Programming Guide
      • Linux Development Guide
        • U-Boot (Universal Bootloader)
          • Update U-boot using APT
          • Change U-boot Logo
    • Connectivity
      • Bluetooth 5.2
      • Ethernet
      • WiFi 6
    • Storage
      • eMMC 5.1
      • PCIe 3.0 (NVMe M.2)
      • Micro SD Card
      • SATA 3.0
    • Peripherals
      • GPIO
      • I2C
      • SPI
      • USB 2.0
      • USB 3.0
      • Audio
      • PWM
      • UART
      • PCIe 2.0
      • PCIe 3.0
      • SARADC
    • Display Interface
      • HDMI TX 2.1
      • MIPI DSI 2.0
      • Type-C DP 1.4a
    • Audio Interface
      • Audio Jack
      • Speakers
      • Analog Mic
    • Video Interface
      • Video Input Capabilities
        • HDMI RX 2.0
        • MIPI Camera Interface 1.2/2.0
      • Video Encode/Decode Capabilities
        • Video Encoder
        • Video Decoder
    • OS Configuration
      • OS Details
      • Set Hotspot
      • Docker Setup
      • Update Package
      • Screen Sharing
      • Change Splash Screen/Logo
      • Vicharak Config
        • USB Tethering
    • Frequently Asked Questions
    • Axon Downloads
    • Axon Accessories

Downloads

  • Vaaman Downloads
  • Axon Downloads

Accessories

  • Vaaman Accessories
  • Axon Accessories
Vicharak
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Welcome to Axon’s documentation!
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Axon Linux Documentation
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Linux Development Guide
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U-Boot (Universal Bootloader)
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Change U-boot Logo

Change U-boot Logo

In boot partition of the File system, includes logo.bmp file which appears on screen while booting Vicharak board.

Run lsblk command to show boot partition.

 mmcblk0      179:0    0  29.1G  0 disk
├─mmcblk0p1  179:1    0     4M  0 part
├─mmcblk0p2  179:2    0     4M  0 part
├─mmcblk0p3  179:3    0   512M  0 part /boot
├─mmcblk0p4  179:4    0   288M  0 part
├─mmcblk0p5  179:5    0   256M  0 part /userdata
└─mmcblk0p6  179:6    0  28.1G  0 part /

User can change u-boot logo to replace logo.bmp file with their file.

Warning

Make sure, you have to convert any logo file into .bmp format in order to apply.

Updating U-Boot Version Using APT
Connectivity

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