VIA Technologies VAB-820 - Table of Contents

VAB-820 Linux BSP v3.2.0 Quick Start Guide
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Table of Contents
1. Introduction ................................................................................................................................... 1
1.1. Package Contents............................................................................................................................................... 1
1.1.1. BSP Folder Contents .................................................................................................................................. 1
1.1.2. Document Folder Contents ..................................................................................................................... 1
1.1.3. EVK Folder Contents ................................................................................................................................. 2
1.2. Version Information and Supported Features ............................................................................................. 3
2. Image Development .................................................................................................................... 4
2.1. Booting from a Micro SD Card ....................................................................................................................... 4
2.2. Booting from the SPI ROM and eMMC ......................................................................................................... 5
2.3. Setting Up U-Boot Parameters ........................................................................................................................ 6
2.4. Restoring Default U-Boot Parameters ........................................................................................................... 7
2.5. Using the OpenEmbedded Console............................................................................................................. 8
3. Build Environment Setup ............................................................................................................ 9
3.1. Configuring Ubuntu ........................................................................................................................................... 9
4. Image Build .................................................................................................................................. 10
4.1. Extracting the VAB-820 BSP ..........................................................................................................................10
4.2. Machine Configuration ...................................................................................................................................10
4.3. Building an SD Card Image ...........................................................................................................................10
5. Hardware Functions ................................................................................................................... 11
5.1. Setting Up Display Device .............................................................................................................................11
5.1.1. Setting Up the U-Boot Display Parameters for a Single Display ...................................................11
5.1.1.1. HDMI ...............................................................................................................................................11
5.1.1.2. LVDS ................................................................................................................................................11
5.2. Setting Up Dual Displays ...............................................................................................................................13
5.2.1. Setting Up the U-Boot Display Parameters for Dual Displays ..........................................................13
5.2.2. Setting Video Playback in Clone Mode ..............................................................................................13
5.2.3. Setting Video Playback in Extension Mode ........................................................................................14
5.2.4. Changing Back to Clone Mode .............................................................................................................15
5.3. Setting Up the Video-in .................................................................................................................................16
5.3.1. Setting Up the CVBS ................................................................................................................................16
5.3.1.1. CVBS Video-in Recording ...........................................................................................................16
5.3.2. Setting Up the S-Video ...........................................................................................................................17
5.3.2.1. S-Video Video-in Recording ......................................................................................................17
5.4. Configuring FlexCAN ......................................................................................................................................19
5.5. Configuring the VNT9271 USB Wi-Fi Dongle / EMIO-1533 USB Wi-Fi Module ...............................21
5.5.1. Connecting to the Internet .....................................................................................................................21
5.6. Configuring the EMIO-1541 miniPCIe Wi-Fi Module ..............................................................................23
5.6.1. Connecting to the Internet .....................................................................................................................23
5.7. Configuring the EMIO-2531 miniPCIe / EMIO-5531 USB Wi-Fi & Bluetooth Module .....................24
5.7.1. Connecting to the Internet .....................................................................................................................24
5.7.2. Enabling Bluetooth ..................................................................................................................................26
5.7.2.1. Setting Up Bluetooth A2DP Profile ..........................................................................................26