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Rock2/square bb

< Rock2
Revision as of 02:50, 24 March 2015 by PeiYao Wang (Talk | contribs)

Rock2 Square is a square base board for the Rock2 som for the radxa community. It aims at small size, low cost, full function.

Rock2 square bb.png

Status

March 3, 2014: Currently rock2 square base board is at alpha stage, We now have around 20 full functional boards with some manually fixes. 100pcs beta boards are already put into production, we are going to have them back soon.

Hardware revision

Alpha

First revision, mostly working, android and debian server is booting fine. Known issues are:

  • HDMI detect ping(HDP) is not connected
  • Headphone detect pin is not connected

Beta

Build Android

Before start

Building AOSP(Android Open Source Project) for radxa rock is a huge task, it takes a lot of time and disk space. You can read the detail requirement of the machine on AOSP requirement page. The recommend building OS is Ubuntu 12.04 64bit. It takes about 35 minutes and 30G disk space on a intel 4770 processor(i7, quad core, 3.4Ghz) machine with 16G ram and SSD.

Initializing a Build Environment

  • Refer instructions from Google. Below is what we tested and set up the environment.

Install JDK

   sudo add-apt-repository ppa:webupd8team/java
   sudo apt-get update
   sudo apt-get install oracle-java6-installer

Install required packages - ubuntu 12.04

   sudo apt-get install git gnupg flex bison gperf build-essential \
   zip curl libc6-dev libncurses5-dev:i386 x11proto-core-dev \
   libx11-dev:i386 libreadline6-dev:i386 libgl1-mesa-glx:i386 \
   g++-multilib mingw32 tofrodos gcc-multilib ia32-libs\
   python-markdown libxml2-utils xsltproc zlib1g-dev:i386

Install required packages - ubuntu 13.10 and 14.04

   sudo apt-get install git-core gnupg flex bison gperf libsdl1.2-dev\
   libesd0-dev libwxgtk2.8-dev squashfs-tools build-essential zip curl\
   libncurses5-dev zlib1g-dev pngcrush schedtool libxml2 libxml2-utils\
   xsltproc lzop libc6-dev schedtool g++-multilib lib32z1-dev lib32ncurses5-dev\
   lib32readline-gplv2-dev gcc-multilib libswitch-perl

Install ARM toolchain and building kernel related pacakges

   sudo apt-get install lzop libncurses5-dev

Install libraries for other tools

   sudo apt-get install libssl1.0.0 libssl-dev

Get the source code

  Download here radxa_rock2_square_android4.4.2_sdk_20150324.tgz

Build u-boot

    cd u-boot 
    make rk3288_defconfig 
    make -j4

Build the kernel

Build android source code

Generate the image

   ./mkimage.sh ota

you will get boot.img recovery.img system.img under rockdev/Image, and update.img under rockdev


Flash the image

Next, follow the flash to NAND flash to flash the image to NAND flash you just build.