Rock2/square bb
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. Alpha revision is only used at radxa internally and few early developers. Known issues are:
- HDMI detect ping(HDP) is not connected
- Headphone detect pin is not connected
Beta
This is the first version for public. 100 pcs beta baseboard are made. The changes from alpha revision are:
- PCB corner now are round, less sharp
- components alignment adjust
- fix hdmi and headphone detect pin
- replace pin number instead of pin description for the extension header
- status leds are at right side of the board now
Build Android
Please refer Rock/Android_Build#Initializing_a_Build_Environment to set up the building environment if you haven't set it already.
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
cd kernel make radxa_rock2_square_defconfig make radxa-rock2-square.img -j 16
Build android source code
source build/envsetup.sh lunch 12 make -j 8
Generate the image
./mkimage.sh ota
you will get boot.img recovery.img system.img under rockdev/Image, and update.img ( e.g. rock2_android_kitkat_15-03-23_141904.img)under rockdev