VIA Technologies VAB-820, Quick Start Manual

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VAB VAB VAB VAB----820 820 820 820 A A A A ndroid BSP v BSP v BSP v BSP v4 4 4 4.0.2 Quick Start Guide .0.2 Quick Start Guide .0.2 Quick Start Guide .0.2 Quick Start Guide
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Table of Contents
1. 1. 1. 1. Introduction Introduction Introduction Introduction ................................ ................................ ................................ ................................................................ ................................ ................................ ................................................................ ................................ ................................ ................................................................ ................................ ................................ .................................. .... .. 1 1 1 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. 2. 2. 2. Image Development Image Development Image Development Image Development ................................ ................................ ................................ ................................................................ ................................ ................................ ................................................................ ................................ ................................ ................................................... ................... ................... ................... 4 4 4 4
2.1. Booting from the SPI ROM with an eMMC ............................................................................... 4
2.2. Setting up U-Boot Parameters ..................................................................................................... 5
2.3. Restoring Default U-Boot Parameters ........................................................................................ 8
2.4. Using the Android Console ......................................................................................................... 8
3. 3. 3. 3. Build Environment Setup Build Environment Setup Build Environment Setup Build Environment Setup ................................ ................................ ................................ ................................................................ ................................ ................................ ................................................................ ................................ ................................ ........................................... ........... ........... ........... 9 9 9 9
3.1. Configuring Ubuntu ........................................................................................................................ 9
4. 4. 4. 4. Image Build Image Build Image Build Image Build ................................ ................................ ................................ ................................................................ ................................ ................................ ................................................................ ................................ ................................ ................................................................ ................................ ................................ .................................... 10 10 10 10
4.1. Extracting the VAB-820 BSP ....................................................................................................... 10
4.2. Downloading Android 5.0.0 Source Code ............................................................................. 10
4.3. Installing Source Code Patch ..................................................................................................... 10
4.4. Building Android Image .............................................................................................................. 11
5. 5. 5. 5. Hardware Functions Hardware Functions Hardware Functions Hardware Functions ................................ ................................ ................................ ................................................................ ................................ ................................ ................................................................ ................................ ................................ .................................................. .................. .................. .................. 1 1 1 12 2 2 2
5.1. Setting Up Display Device .......................................................................................................... 12
5.1.1 Setting Up the HDMI U-Boot display parameter .............................................................................. 12
5.1.2 Setting Up the LVDS U-Boot display parameter ............................................................................... 13
5.1.3 Setting Up the U-Boot Display Parameter for Dual Displays ......................................................... 14
5.2. Setting up the Video-in ............................................................................................................... 14
5.3. Configuring the EMIO-2550 miniPCIe Mobile Broadband Module ................................... 16
5.3.1 Connecting to the Internet ..................................................................................................................... 16
5.3.2 Enable GPS ................................................................................................................................................ 17
5.4. Smart ETK ....................................................................................................................................... 18
5.4.1 Testing Watchdog Timer Function ....................................................................................................... 19
5.4.2 Testing GPIO Function ............................................................................................................................ 20
5.4.3 Testing UART Function ............................................................................................................................ 22
5.4.4 Testing FlexCAN Function ..................................................................................................................... 23