VIA Technologies VAB-950 User manual

QUICK START GUIDE

VIA VAB-950

Yocto 3.1 EVK

1.00-22022022

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iii

VIA VAB-950 Yocto 3.1 EVK Quick Start Guide

Revision History

Version Date Remarks

1.00 22/02/2022 Inial release

VIA VAB-950 Yocto 3.1 EVK Quick Start Guide

Table of Contents

1. Introducon.................................................................................................................................................... 1

1.1 EVK Package Contents........................................................................................................................... 1

1.1.1 Firmware Folder Contents ............................................................................................................. 1

1.1.2 Document Folder Contents............................................................................................................ 1

1.1.3 Tool Folder Contents...................................................................................................................... 1

1.2 Version Informaon and Supported Features....................................................................................... 2

2. Image Installaon ........................................................................................................................................... 3

2.1 Installing with the Fastboot Mode ........................................................................................................ 3

3. Hardware Funcons ....................................................................................................................................... 8

3.1 Using the Debug Console...................................................................................................................... 8

3.2 Changing Kernel Debug Level................................................................................................................ 8

3.3 Checking BSP Version............................................................................................................................ 8

3.4 DVFS...................................................................................................................................................... 9

3.5 Display................................................................................................................................................... 9

3.6 Video Playback.................................................................................................................................... 10

3.7 Audio Output and Record ................................................................................................................... 11

3.8 Camera................................................................................................................................................ 12

3.9 Wi-Fi.................................................................................................................................................... 12

3.10 Bluetooth ............................................................................................................................................ 13

VIA VAB-950 Yocto 3.1 EVK Quick Start Guide

1. Introducon

This Quick Start Guide provides an overview on how to boot the Yocto image for the VIA VAB-950 and congure

the supported hardware funcons in the build.

The VIA VAB-950 Yocto 3.1 EVK is developed based on the MediaTek Yocto 3.1 BSP and it enables the hardware

features of the VIA VAB-950.

1.1 EVK Package Contents

There are three folders in the package listed as below.

Firmware folder Descripon

VIA_VAB-950_Yocto_3.1_EVK.zip Yocto image

Document folder Descripon

VIA_VAB-950_Yocto_3.1_EVK_Quick_Start_Guide.pdf Quick Start Guide

Tool folder Descripon

VIA_Android_USB_Driver.zip VIA USB driver

1.1.1 Firmware Folder Contents

VIA_VAB-950_Yocto_3.1_EVK.zip:Contains the precompiled Yocto image for evaluang the VIA VAB-950.

1.1.2 Document Folder Contents

VIA_VAB-950_Yocto_3.1_EVK_Quick_Start_Guide.pdf: This Quick Start Guide provides an overview on how to

boot the Yocto image for the VIA VAB-950 and congure the supported hardware funcons in the build.

1.1.3 Tool Folder Contents

VIA_Android_USB_Driver.zip: VIA USB driver.

VIA VAB-950 Yocto 3.1 EVK Quick Start Guide

1.2 Version Informaon and Supported Features

• Kernel version: 4.14.141

• Evaluaon image: Yocto 3.1

• Development based on MediaTek Yocto 3.1 BSP

• Supports eMMC boot

• Supports HDMI display

• Supports HDMI audio output

• Supports MIPI DSI capacive touch panel

−AUO 10.1 B101UAN01.7 (1920x1200)

−eGalax I2C touch

• Supports COM1 as RS-232 mode (TX/RX) and COM as debug port

• Supports two 10/100Mbps Ethernet ports

• Supports MediaTek MT6358 Headphone and Mic-in

• Supports MediaTek MT7668 Wi-Fi 802.11ac and Bluetooth 5.0

• Supports VIA EMIO-2574 (SIM7600JC-H) 4G LTE mobile broadband miniPCIe module

• Supports MIPI CSI OV5648 camera module

• Supports MediaTek NeuroPilot AI APU hardware acceleraon

VIA VAB-950 Yocto 3.1 EVK Quick Start Guide

2. Image Installaon

This secon explains the setup requirements for boong from the eMMC.

The precompiled images are provided in the "Firmware" folder.

2.1 Installing with the Fastboot Mode

The rst step is to prepare the "fastboot tool" and install the "VIA USB driver" into your Windows 10 host

machine.

To get the "fastboot tool" for Windows, please refer to the "SDK Plaorm Tools release notes" chapter on the

Android developer website (hps://developer.android.com/studio/releases/plaorm-tools).

To install the "VIA USB driver", right-click on the mouse buon to install the "android_winusb". When nished,

it will show "The operaon completed successfully".

Then connect the Windows 10 host machine and the VIA VAB-950 through the Micro USB 2.0 port using a

Micro USB cable.

Micro USB 2.0 port diagram

Next, on the VIA VAB-950, set the two OS image jumpers (J7 and J5) to download mode as shown in the

diagram below.

OS image jumpers diagram

J5 and J7 Sengs Pin 1 Pin 2 Pin 3

Normal mode (default) Open Short Short

Download mode Short Short Open

OS image jumper sengs

Plug in the AC-to-DC power adapter to power on the VIA VAB-950.

The VIA VAB-950 will stop at "fastboot: processing commands" as shown in the debug console below.

Fastboot Mode

Note:

Make sure the Windows 10 host machine detects the VIA VAB-950 as Android device.

VIA VAB-950 Yocto 3.1 EVK Quick Start Guide

Extract the VIA_VAB-950_Yocto_3.1_EVK.zip le on your Windows 10 host machine.

To install the image, use the following command:

D:\VIA_VAB-950_Yocto_3.1_EVK>set PATH=D:\platform-tools;%PATH%

D:\VIA_VAB-950_Yocto_3.1_EVK>viaash.exe

++++++++++++++++++++++++++++++++++++++++++++++++++++

VIAFlash version v1.0.0

(built: Feb 10 2022 09:53:25 UTC)

++++++++++++++++++++++++++++++++++++++++++++++++++++

To let this tool work well, please

ensure the system is at fastboot mode!

If yes, please press any key to continue.

++++++++++++++++++++++++++++++++++++++++++++++++++++

>> Image OS is "Yocto"

Addr: [0x0 - 0x100000] size: 0x100000

Addr: [0x0 - 0x7]

Addr: [0x0 - 0x8000] size: 0x8000

Addr: [0x0 - 0x3f]

Addr: [0x8000 - 0x208000] size: 0x200000

Addr: [0x40 - 0x103f]

Addr: [0x208000 - 0x408000] size: 0x200000

Addr: [0x1040 - 0x203f]

Addr: [0x408000 - 0x2408000] size: 0x2000000

Addr: [0x2040 - 0x1203f]

Addr: [0x2408000 - 0x4408000] size: 0x2000000

Addr: [0x12040 - 0x2203f]

Addr: [0x4408000 - 0x5308000] size: 0xf00000

Addr: [0x22040 - 0x2983f]

Addr: [0x5308000 - 0x6208000] size: 0xf00000

Addr: [0x29840 - 0x3103f]

Addr: [0x6208000 - 0x7108000] size: 0xf00000

Addr: [0x31040 - 0x3883f]

Addr: [0x7108000 - 0x7208000] size: 0x100000

Addr: [0x38840 - 0x3903f]

Addr: [0x7208000 - 0x7308000] size: 0x100000

Addr: [0x39040 - 0x3983f]

Addr: [0x7308000 - 0x7408000] size: 0x100000

Addr: [0x39840 - 0x3a03f]

Addr: [0x7408000 - 0x7908000] size: 0x500000

Addr: [0x3a040 - 0x3c83f]

Addr: [0x7908000 - 0x7e08000] size: 0x500000

Addr: [0x3c840 - 0x3f03f]

Addr: [0x7e08000 - 0x4c208000] size: 0x44400000

Addr: [0x3f040 - 0x26103f]

Addr: [0x4c208000 - 0x90608000] size: 0x44400000

Addr: [0x261040 - 0x48303f]

Addr: [0x90608000 - 0x9128e400] size: 0xc86400

Addr: [0x483040 - 0x489471]

Addr: [0x9128e400 - 0x9128e400] size: 0x0

Addr: [0x489472 - 0x489471]

Addr: [0x0080 - 0x8080] size: 0x8000

Addr: [0x7f80 - 0x7fbf]

++++++++++++++++++++++++++++++++++++++++++++++++++++

MBR : OK

bl2.img : OK

boot.img : OK

cam_vpu_a.img : OK

cam_vpu_b.img : OK

cam_vpu_c.img : OK

spmfw.img : OK

sspm-t.img : OK

tee.img : OK

system.ext4 : OK

VIA VAB-950 Yocto 3.1 EVK Quick Start Guide

system.ext4 : OK

logo.bmp : OK

userdata.ext4 : OK

++++++++++++++++++++++++++++++++++++++++++++++++++++

=============================================

Start to ash images --> Yocto

=============================================

Sending 'preloader' (283 KB) OKAY [ 0.046s]

Writing 'preloader' OKAY [ 0.016s]

Finished. Total time: 0.180s

Erasing 'pgpt' OKAY [ 0.016s]

Finished. Total time: 0.024s

Sending 'pgpt' (17 KB) OKAY [ 0.026s]

Writing 'pgpt' OKAY [ 0.009s]

Finished. Total time: 0.068s

------------------------------------------------

Platform will be rebooted and continue soon,

please wait for ash completed

------------------------------------------------

Rebooting into bootloader OKAY [ 0.004s]

Finished. Total time: 0.006s

< waiting for any device >

(bootloader) display: hdmi

Warning: skip copying boot image avb footer (boot partition size: 0, boot image size:

20877906).

Sending 'boot_a' (20388 KB) OKAY [ 1.033s]

Writing 'boot_a' OKAY [ 0.453s]

Finished. Total time: 1.608s

(bootloader) display: hdmi

Warning: skip copying boot image avb footer (boot partition size: 0, boot image size:

20877906).

Sending 'boot_b' (20388 KB) OKAY [ 0.864s]

Writing 'boot_b' OKAY [ 0.457s]

Finished. Total time: 1.358s

(bootloader) display: hdmi

Sending 'cam_vpu_a' (1614 KB) OKAY [ 0.072s]

Writing 'cam_vpu_a' OKAY [ 0.040s]

Finished. Total time: 0.130s

(bootloader) display: hdmi

Sending 'cam_vpu_b' (14647 KB) OKAY [ 0.620s]

Writing 'cam_vpu_b' OKAY [ 0.321s]

Finished. Total time: 0.963s

(bootloader) display: hdmi

Sending 'cam_vpu_c' (135 KB) OKAY [ 0.008s]

Writing 'cam_vpu_c' OKAY [ 0.008s]

Finished. Total time: 0.043s

(bootloader) display: hdmi

VIA VAB-950 Yocto 3.1 EVK Quick Start Guide

(bootloader) display: hdmi

Sending 'spmfw' (38 KB) OKAY [ 0.003s]

Writing 'spmfw' OKAY [ 0.005s]

Finished. Total time: 0.030s

(bootloader) display: hdmi

Sending 'sspm_a' (486 KB) OKAY [ 0.022s]

Writing 'sspm_a' OKAY [ 0.015s]

Finished. Total time: 0.056s

(bootloader) display: hdmi

Sending 'sspm_b' (486 KB) OKAY [ 0.023s]

Writing 'sspm_b' OKAY [ 0.016s]

Finished. Total time: 0.057s

(bootloader) display: hdmi

Sending 'tee_a' (1021 KB) OKAY [ 0.045s]

Writing 'tee_a' OKAY [ 0.026s]

Finished. Total time: 0.090s

(bootloader) display: hdmi

Sending 'tee_b' (1021 KB) OKAY [ 0.045s]

Writing 'tee_b' OKAY [ 0.027s]

Finished. Total time: 0.094s

(bootloader) display: hdmi

Invalid sparse le format at header magic

(bootloader) display: hdmi

Sending sparse 'system_a' 1/12 (64504 KB) OKAY [ 2.727s]

Writing 'system_a' OKAY [ 1.459s]

Sending sparse 'system_a' 2/12 (57428 KB) OKAY [ 2.429s]

Writing 'system_a' OKAY [ 1.385s]

Sending sparse 'system_a' 3/12 (65532 KB) OKAY [ 2.768s]

Writing 'system_a' OKAY [ 1.444s]

Sending sparse 'system_a' 4/12 (65532 KB) OKAY [ 2.769s]

Writing 'system_a' OKAY [ 1.452s]

Sending sparse 'system_a' 5/12 (64588 KB) OKAY [ 2.731s]

Writing 'system_a' OKAY [ 1.445s]

Sending sparse 'system_a' 6/12 (65532 KB) OKAY [ 2.768s]

Writing 'system_a' OKAY [ 1.429s]

Sending sparse 'system_a' 7/12 (65532 KB) OKAY [ 2.770s]

Writing 'system_a' OKAY [ 1.442s]

Sending sparse 'system_a' 8/12 (65532 KB) OKAY [ 2.770s]

Writing 'system_a' OKAY [ 1.454s]

Sending sparse 'system_a' 9/12 (65020 KB) OKAY [ 2.748s]

Writing 'system_a' OKAY [ 1.424s]

Sending sparse 'system_a' 10/12 (65532 KB) OKAY [ 2.769s]

Writing 'system_a' OKAY [ 1.450s]

Sending sparse 'system_a' 11/12 (65532 KB) OKAY [ 2.779s]

Writing 'system_a' OKAY [ 1.432s]

Sending sparse 'system_a' 12/12 (6116 KB) OKAY [ 0.263s]

Writing 'system_a' OKAY [ 0.149s]

Finished. Total time: 47.460s

(bootloader) display: hdmi

Invalid sparse le format at header magic

(bootloader) display: hdmi

Sending sparse 'system_b' 1/12 (64504 KB) OKAY [ 2.727s]

Writing 'system_b' OKAY [ 1.465s]

Sending sparse 'system_b' 2/12 (57428 KB) OKAY [ 2.427s]

Writing 'system_b' OKAY [ 1.381s]

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