VIA Technologies ARTiGO-A600 User manual

1.00-09232015-100600
DEVELOPMENT GUIDE
ARTiGO-A600
Linux BSP v1.2

Copyright
Copyright © 2015 VIA Technologies Incorporated. All rights reser ed.
No part of this document may be reproduced, transmitted, transcribed, stored in a retrie al system, or translated into any language,
in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise without the prior written
permission of VIA Technologies, Incorporated.
Trademarks
All brands, product names, company names, trademarks and ser ice marks are the property of their respecti e holders.
Disclaimer
VIA Technologies makes no warranties, implied or otherwise, in regard to this document and to the products described in this
document. The information pro ided in this document is belie ed to be accurate and reliable as of the publication date of this
document. Howe er, VIA Technologies assumes no responsibility for the use or misuse of the information in this document and for
any patent infringements that may arise from the use of this document. The information and product specifications within this
document are subject to change at any time, without notice and without obligation to notify any person of such change.
VIA Technologies, Inc. reser es the right the make changes to the products described in this manual at any time without prior
notice.

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Revision History
Version
VersionVersion
Version Date
DateDate
Date Remarks
RemarksRemarks
Remarks
1.00 09/22/2015 Initial external release

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Table of Contents
1.
1.1.
1. Introduction
IntroductionIntroduction
Introduction ................................
................................................................
................................................................
................................................................
................................................................
................................................................
..........................................
....................
.......... 1
11
1
1.1. Overview........................................................................................................ 1
1.2. Package content............................................................................................ 1
2.
2.2.
2. Setup Environment
Setup EnvironmentSetup Environment
Setup Environment................................
................................................................
................................................................
................................................................
...............................................................
..............................................................
............................... 2
22
2
2.1. System requirement..................................................................................... 2
2.2. Setup cross-compiling environment........................................................ 2
3.
3.3.
3. Building the BSP
Building the BSPBuilding the BSP
Building the BSP ................................
................................................................
................................................................
................................................................
................................................................
................................................................
...................................
......
... 6
66
6
3.1. Building the kernel.......................................................................................
3.1.1. Setup the kernel source ........................................................................
3.1.2. Build 3.0.8 kernel source.......................................................................
4.
4.4.
4. Making Sy tem Booting Media
Making Sy tem Booting MediaMaking Sy tem Booting Media
Making Sy tem Booting Media................................
................................................................
................................................................
................................................................
............................................
........................
............ 9
99
9
4.1. Set booting media........................................................................................ 9
4.1.1. Prepare the Debian 7 file system ........................................................ 9
4.1.2. Boot from eMMC..................................................................................... 9
4.1.3. Boot from SD card................................................................................ 10
4.1.3.1. Update the uboot parameters................................................. 10
4.1.3.2. Format the SD card .................................................................... 11
4.1.3.3. Install the kernel and root filesystem to SD card ............... 11
4.1.3.4. Download the fully Debian7 file system .............................. 12
4.2. Install the graphics and multimedia package ...................................... 15
4.2.1. Prerequisites ........................................................................................... 15
4.2.2. Install the graphics driver package ................................................... 15
4.2.3. Install the Multimedia package.......................................................... 1
5.
5.5.
5. Functionality
FunctionalityFunctionality
Functionality................................
................................................................
................................................................
................................................................
................................................................
................................................................
........................................
................
........ 18
1818
18
5.1. Light HDMI monitor ................................................................................... 18
5.2. Switch HDMI mode by xrandr tool ....................................................... 19
5.3. Change the Color Depth/bpp. ................................................................ 21

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5.4. Multimedia local playback ...................................................................... 21
5.5. Audio adjustment....................................................................................... 22
5. . GPIO control ............................................................................................... 24
5. .1. GPIO hardware design......................................................................... 24
5. .2. devmem2 utility..................................................................................... 25
5. .2.1. devmem2 utility read and write.............................................. 2
5. .3. Test GPIO input and output ............................................................... 28
5. .3.1. Test GPIO connection ............................................................... 28
5. .3.2. Set GPIO 20-23 to change GPIO 24-27 ................................ 28
5. .3.3. Set GPIO 24-27 to change GPIO 20-23 ................................ 30
5.7. External RTC control ................................................................................. 31
5.7.1. External RTC hardware design........................................................... 31
5.7.2. Display external RTC timekeeper registers..................................... 32
5.7.3. Set date and time to external RTC.................................................... 32
5.7.4. Test auto power-on control of external RTC................................. 33
5.7.5. Disable alarm2 and clear alarm2 status of external RTC ............ 33
5.8. Watch dog control .................................................................................... 34
5.8.1. Enable the watch dog.......................................................................... 35
5.8.2. Set the watch dog timer...................................................................... 35
5.8.3. Get the watch dog timer..................................................................... 3
5.8.4. Disable the watch dog ........................................................................ 37
5.9. Set up VAB- 00-E RS485.......................................................................... 39
5.9.1. Check whether VAB- 00-E RS485 is running on VAB- 00.......... 39
5.9.2. How to test VAB- 00-E RS485 function .......................................... 40
5.9.3. How to program VAB- 00-E RS485 registries ............................... 41
6.
6.6.
6. Debug Me age
Debug Me ageDebug Me age
Debug Me age................................
................................................................
................................................................
................................................................
................................................................
................................................................
..................................
....
.. 42
4242
42
.1. Enter U-Boot environment ....................................................................... 42
.2. Default u-boot parameters ...................................................................... 43
Appendix A.
Appendix A.Appendix A.
Appendix A. Q&A
Q&A Q&A
Q&A................................
................................................................
................................................................
................................................................
................................................................
................................................................
......................................
............
...... 44
4444
44
Appendix B.
Appendix B.Appendix B.
Appendix B. Limitation
Limitation Limitation
Limitation ................................
................................................................
................................................................
................................................................
..............................................................
............................................................
.............................. 45
4545
45

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Appendix C.
Appendix C.Appendix C.
Appendix C. GPIO regi ter
GPIO regi ter GPIO regi ter
GPIO regi ter ................................
................................................................
................................................................
................................................................
......................................................
............................................
...................... 46
4646
46
GPIO Input Data Registers ........................................................................................ 4
GPIO Enable Registers............................................................................................... 4
GPIO Output Enable Registers ................................................................................ 47
GPIO Output Data Registers .................................................................................... 47
GPIO Pull-up/Pull-down Enable Registers ........................................................... 48
GPIO Pull-up/Pull-down Control Registers.......................................................... 48
GPIO Interrupt Request Status Registers ........................................................... 49

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1.
1.1.
1. Introduction
IntroductionIntroduction
Introduction
1.1. Overview
This document describes how to run the Debian 7.0 OS on ARTiGO-A 00
platform and evaluate thin client functions.
1.2. Package content
The evaluation package includes:
1. Kernel source:
“/BSP/Kernel_Source_Codes/
VAB- 00_Linux_BSP_Kernel_Source_0.07.tar.gz”,
“/BSP/Frame_Buffer_Driver/ANDROID_3.0.8_VE“
2. Toolchain: “/BSP/arm_201103_gcc4.5.2.tgz“
3. Kernel image: “/EVK/Kernel_Image/uzImage.bin”
4. Graphics driver package: located in “/EVK/BSP/Graphics_Driver”folder
5. Multimedia package: located in“/EVK/BSP/Multimedia”folder
. Other file system patches:
locates in“/EVK/BSP/Others”folder
7. Uboot update package:“/EVK/Update_Package”

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2.
2.2.
2. Setup Environment
Setup Environment Setup Environment
Setup Environment
2.1. System requirement
Ho t PC:
Ho t PC:Ho t PC:
Ho t PC:
SD Card reader: SDHC compliant
Operation System: Ubuntu 10.04 x 4 version
Target board:
Target board:Target board:
Target board:
ARTiGO-A 00 platform (with 4G EMMC)
SD Card: 4GB SDHC (at least). ARTiGO-A 00 now supports up to class
SDHC.
2.2. Setup cross-compiling environment
Get root permi ion
Get root permi ionGet root permi ion
Get root permi ion
If you are not login as a root, use “su” command to get the root permission.
Setup the
Setup the Setup the
Setup the Tool Chain
Tool ChainTool Chain
Tool Chain
Please refer to 4.2.1 to connect to the network. Then perform the packages
update.
apt-get update
If apt gives a warning like this:

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Type the following command to update the debian-archive-keyring package,
the warning will go away.
#
##
# apt
aptapt
apt-
--
-get in tall debian
get in tall debianget in tall debian
get in tall debian-
--
-archive
archivearchive
archive-
--
-keyring
keyringkeyring
keyring
Install the build essential packages.
apt-get install git-core gnupg flex bison gperf build-essential \
zip curl zlib1g-dev libc6-dev lib32ncurses5-dev ia32-libs \
x11proto-core-dev libx11-dev lib32readline-gplv2-dev lib32z1-dev \
libgl1-mesa-dev g++-multilib mingw32 tofrodos pyt on-markdown \
libxml2-utils xsltproc
Install the uboot mkimage tool.
apt-get install uboot-mkimage

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Confirm if the GNU C library version is 2.11 or newer.
# ldd --version
ldd (Ubuntu EGLIBC 2.1.11-0ubuntu7.11) 2.11.1
Copyrig t (C) 2009 Free Software Foundation, Inc.
T is is free software; see t e source for copying conditions. T ere is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Written by Roland McGrat and Ulric Drepper.
Unzip the Tool Chain to “/usr/local/arm/” (If this folder doesn’t exist in your
system previously, you must create manually with “# mkdir /usr/local/arm”)
# tar -zxvf arm_201103_gcc4.5.2.tgz -C /usr/local/arm/
As Figure 1 shows, the cross compiler is located in
“/usr/local/arm/arm_201103_gcc4.5.2/”
Figure
Figure Figure
Figure 1. The
1. The 1. The
1. The Tool
ToolTool
Toolc
cc
chain
hainhain
hain for
for for
for ARTiGO
ARTiGOARTiGO
ARTiGO-
--
-A
AA
A600
600600
600

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Export the Tool Chain to system PATH.
# export PATH=/usr/local/arm/arm_201103_gcc4.5.2/mybin/:$PATH
Next, alias the Tool Chain for best floats calculation.
# alias arm_1103_le-as='arm_1103_le-as -mcpu=cortex-a9 -mfpu=neon -mfloat-
abi=softfp'
# alias arm_1103_le-c++='arm_1103_le-c++ -mcpu=cortex-a9 -mfpu=neon -mfloat-
abi=softfp'
# alias arm_1103_le-cpp='arm_1103_le-cpp -mcpu=cortex-a9 -mfpu=neon -mfloat-
abi=softfp'
# alias arm_1103_le-g++='arm_1103_le-g++ -mcpu=cortex-a9 -mfpu=neon -mfloat-
abi=softfp'
# alias arm_1103_le-gcc='arm_1103_le-gcc -mcpu=cortex-a9 -mfpu=neon -mfloat-
abi=softfp'
# alias arm_1103_le-gcc-4.5.2='arm_1103_le-gcc-4.5.2 -mcpu=cortex-a9 -mfpu=neon
-mfloat-abi=softfp'

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3.
3.3.
3. Building
Building Building
Building the
the the
the BSP
BSPBSP
BSP
3.1. Building the kernel
This section will describe how to build the kernel image from the source code.
To use the BSP package without spending too much time on building the
source code, there is a pre-built kernel image located under
“\EVK\Kernel_Image\”.
3.1.1. Setup the kernel source
Unzip the Kernel source
# tar
tar tar
tar -
--
-zxvf VAB
zxvf VABzxvf VAB
zxvf VAB-
--
-600_Linux_BSP_Kernel_Source_0.07.tar.gz
600_Linux_BSP_Kernel_Source_0.07.tar.gz600_Linux_BSP_Kernel_Source_0.07.tar.gz
600_Linux_BSP_Kernel_Source_0.07.tar.gz
Then the kernel source will be located in “VAB-
00_Linux_BSP_Kernel_Source_0.07.tar.gz”. The“ANDROID_3.0.8” is the
source code.
Copy all the files that are under the sub-folder
“\BSP\Frame_Buffer_Driver\ANDROID_3.0.8_VE\” to your corresponding kernel
tree folder and start to build the Linux kernel.
3.1.2. Bu ld 3.0.8 kernel source
How to
How to How to
How to build 3.0.8
build 3.0.8build 3.0.8
build 3.0.8 kernel ource
kernel ource kernel ource
kernel ource
To use the default configurations, type the following command.
# m
# m# m
# make VAB
ake VABake VAB
ake VAB-
--
-600_Linux_defconfig
600_Linux_defconfig600_Linux_defconfig
600_Linux_defconfig

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If there is no “VAB
VABVAB
VAB-
--
-600_Linux_defconfig,
600_Linux_defconfig, 600_Linux_defconfig,
600_Linux_defconfig, “
““
“ copy it from
/BSP/Kernel_Source_Code
Kernel_Source_CodeKernel_Source_Code
Kernel_Source_Code /
//
/ to ${Kernel_Source}/arch/arm/config /
config /config /
config /
To modify the unique configurations, input this to enter the menu with the
graphic user interface.
# make me
# make me# make me
# make menuconfig
nuconfignuconfig
nuconfig
After selecting the particular options, now it is time to build the kernel image.
# make ubin CROSS_COMPILE=arm_1103_le
make ubin CROSS_COMPILE=arm_1103_lemake ubin CROSS_COMPILE=arm_1103_le
make ubin CROSS_COMPILE=arm_1103_le-
--
- -
--
-jX
jXjX
jX
X = The threads to build the kernel image, depend on the efficiency of your
host PC. For example, a platform with three cores CPU and 8GB RAM should
sustain “-j8” parameter.
As shown in Figure 2, it takes a few minutes to get the kernel image,
uzImage.bin.
Figure 2
Figure 2Figure 2
Figure 2 uilding kernel
uilding kernel uilding kernel
uilding kernel
The uzImage.bin is located in “ANDROID_3.0.8”.
How to make clean the kernel ource
How to make clean the kernel ourceHow to make clean the kernel ource
How to make clean the kernel ource

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Clean the kernel source and it will clean all the built binaries
in“ANDROID_3.0.8”.
# make clean
make clean make clean
make clean

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4.
4.4.
4. Making System Booting
Making System Booting Making System Booting
Making System Booting
Media
MediaMedia
Media
.1. Set booting media
4.1.1. Prepare the Deb an 7 f le system
Debian File Sy tem:
Debian File Sy tem:Debian File Sy tem:
Debian File Sy tem:
Prepare the Debian7 root file system, armel
armelarmel
armel-
--
-rootf
rootfrootf
rootf -
--
-20131003_v0.01
20131003_v0.0120131003_v0.01
20131003_v0.01.tar.tgz
.tar.tgz.tar.tgz
.tar.tgz. We
need to use the armel
armelarmel
armel-
--
-rootf
rootfrootf
rootf -
--
-20131003_v0.01.tar.tgz
20131003_v0.01.tar.tgz20131003_v0.01.tar.tgz
20131003_v0.01.tar.tgz to install Debian with full
functions. It is located under “/EVK/Update_Package/bspinst/packages” folder.
Patche :
Patche :Patche :
Patche :
Moreover, there are some other patches in
“/EVK/Update_Package/bspinst/packages” which must be manually copied
to SD card when booting from SD card. In this version, the patches in the
folder/EVK/BSP/Others” have previously been added to Debian file system.
If you use the Debian file system obtained from the website, it certainly
doesn’t contain the patches described below. Therefore, you still need to
manually copy the patches to your downloaded Debian file system.
4.1.2. Boot from eMMC
1. Insert the SD card to the host PC.
2. Find the inserted SD card. Create all the volume to FAT partition and name
it “update”.

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3. Copy “
““
“b pin t
b pin tb pin t
b pin t”
””
” folder
folder folder
folder and criptcmd
criptcmdcriptcmd
criptcmd file which are under “Update_Package”
folder to “update” partition.
4. Once the copy is finished, please un-mount Volume and remove the SD
card.
5. Insert the SD card to ARTiGO-A 00 and boot.
. After the installation is finished, please remove the SD card. The system will
shut down in 3 seconds.
7. Power on the ARTiGO-A 00, and it will boot from on-board eMMC.
U ername:
U ername: U ername:
U ername: debian
debiandebian
debian
Pa word:
Pa word: Pa word:
Pa word: temppwd
temppwdtemppwd
temppwd
4.1.3. Boot from SD card
4.1.3.1.
4.1.3.1.4.1.3.1.
4.1.3.1. Update
UpdateUpdate
Update the
the the
the uboot parameters
uboot parametersuboot parameters
uboot parameters
Connect the ARTiGO-A 00 and host PC through COM port. Update uboot
parameters as below.
setenv oot-method oot-emmc
setenv ethaddr 00:40:63:11:23:29 ( If there is no default value )
setenv memtotal 850M
setenv m size 62M
setenv wmt.display.dual 0
setenv wmt.display.param 4:6:1:1920:1080:60
setenv wmt.ge.param 1:-1:100:-1
setenv wmt.audio.i2s vt1603:f2:f2:f1:f1:100
setenv oot-emmc "mmcinit 0; fatload mmc 0:1 0x01000000 uzimage. in; if iminfo 0x01000000;
then run set-rfs-emmc; ootm 0x01000000; fi"
setenv set-rfs-emmc "setenv ootargs mem=${memtotal} root=/dev/mmc lk0p2 rw

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rootfstype=ext3 noinitrd m total=${m size} ${ ootargs-common} ${ ootargs-extra}"
setenv wmt.plla.param 1:792:1:2:1:1:1
setenv wmt.plla2.param 1:792:1:2:1:1:1
saveenv
reset
Default display setting “setenv wmt.display.param 4: :1:1920:1080: 0”
lights HDMI.
4.1.3.2.
4.1.3.2.4.1.3.2.
4.1.3.2. Format the
Format theFormat the
Format the SD card
SD card SD card
SD card
Insert the SD card into the host PC. Open the Disk Utility (System-
>Administrator->Disk Utility)
If the SD card is already formatted, we need to umount volume first. Then
Delete the Partition to get a clear SD card. Click “Create Partition” to continue.
Click the SD card reader. Create a FAT
FATFAT
FAT partition with 200MB
200MB200MB
200MB and name it
kernel.
kernel.kernel.
kernel.
Create an EXT3
EXT3EXT3
EXT3 partition with the remaining space (about 3.7GB) and name it
f
ff
f . Then you will get a SD card with FAT and ext3 partition.
4.1.3.3.
4.1.3.3.4.1.3.3.
4.1.3.3. Install
InstallInstall
Install the
the the
the kernel and root filesystem to SD
kernel and root filesystem to SD kernel and root filesystem to SD
kernel and root filesystem to SD card
card card
card
Copy the kernel Image uzImage.bin
uzImage.binuzImage.bin
uzImage.bin to kernel
kernelkernel
kernel partition.
Use the following command to unzip the root file system to the ext3
ext3ext3
ext3 partition
on SD card.
# tar -zxvf armel
armelarmel
armel-
--
-rootf
rootfrootf
rootf -
--
-201310
201310201310
20131003_v0.01.tar.tgz
03_v0.01.tar.tgz03_v0.01.tar.tgz
03_v0.01.tar.tgz -C /media/fs

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Once the unzip procedure is completed, you can see the root file system is
installed in the ext3 partition on SD card.
4.1.3.4.
4.1.3.4.4.1.3.4.
4.1.3.4. Download the fully Debian file system
Download the fully Debian file systemDownload the fully Debian file system
Download the fully Debian file system
Connect the ARTiGO-A 00 and host PC through COM port. On the host PC,
you will see the kernel message and login prompt through serial console. The
default username and password are debian/temppwd
debian/temppwddebian/temppwd
debian/temppwd
Use the following command to get the root permission for the following steps.
#
##
# udo
udo udo
udo -
--
-i
ii
i

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Get the correct ethX by using the command, (X is variable, depending on your
environment.)
#
##
# ifconfig
ifconfig ifconfig
ifconfig -
--
-a
aa
a
Then type the following command in the command prompt to get a DHCP IP.
#
##
# /u r/lib/klibc/bin/ipconfig eth
/u r/lib/klibc/bin/ipconfig eth/u r/lib/klibc/bin/ipconfig eth
/u r/lib/klibc/bin/ipconfig ethX
XX
X
Please confirm that the DNS information in /etc/resolv.conf is correct. For
example the DNS for VIA in /etc/resolv.conf is
domain via.com.tw
domain via.com.twdomain via.com.tw
domain via.com.tw
earch via.com.tw
earch via.com.twearch via.com.tw
earch via.com.tw
name erver 10.5.254.150
name erver 10.5.254.150name erver 10.5.254.150
name erver 10.5.254.150
name erver 10.5.254.149
name erver 10.5.254.149name erver 10.5.254.149
name erver 10.5.254.149
Now we are ready to download the fully Debian7 file system.
Type the following command to update the source list.
#
##
# apt
aptapt
apt-
--
-get update
get updateget update
get update

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Type the following command to install the xorg. Press “Y” to install the xorg.
#
##
# apt
aptapt
apt-
--
-get in tall xorg
get in tall xorgget in tall xorg
get in tall xorg
Type the following command to install the lxde. Press “Y” to install the lxde.
Please choose the default setting during installation.
#
##
# apt
aptapt
apt-
--
-get in tall
get in tall get in tall
get in tall lxde
lxdelxde
lxde
Once you finish the above steps, please reboot the ARTiGO-A 00 after the
installation is completed. It
ItIt
It i required
i required i required
i required to in tall the graphic driver
to in tall the graphic driver to in tall the graphic driver
to in tall the graphic driver in order to
in order to in order to
in order to
make the
make themake the
make the u er interface work.
u er interface work. u er interface work.
u er interface work.