Difference between revisions of "Android 4.0.3 ICS on DM814x (Naon)"

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Texas Instruments provides the [http://www.ti.com/tool/ANDROIDSDK-SITARA Android developement kits] for the Sitara platform, but an official release for the DM814x/AM387x processor is not yet available. However, it is possible to build Android 4.0.3 Ice Cream Sandwich (ICS) for the DM814x/AM387x processor and make it run on the Naon/Maya/Dido SoMs.
 
Texas Instruments provides the [http://www.ti.com/tool/ANDROIDSDK-SITARA Android developement kits] for the Sitara platform, but an official release for the DM814x/AM387x processor is not yet available. However, it is possible to build Android 4.0.3 Ice Cream Sandwich (ICS) for the DM814x/AM387x processor and make it run on the Naon/Maya/Dido SoMs.
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For further information on Android, please visit [[:Category:Android|Android category page]].
 
  
 
== Useful links ==
 
== Useful links ==
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* [http://gitorious.org/rowboat/manifest/blobs/master/rowboat-ics-ti81xx.xml Manifest file used for building]
 
* [http://gitorious.org/rowboat/manifest/blobs/master/rowboat-ics-ti81xx.xml Manifest file used for building]
 
* [http://source.android.com/source/downloading.html Downloading the source tree]
 
* [http://source.android.com/source/downloading.html Downloading the source tree]
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* [https://www.youtube.com/watch?v=bMv2U4gndmQ YouTube video: Android ICS running on Naon]
 
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= Demo board =
 
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Android 4.0.3 ICS has been built to run on the following system:
 
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* Naon SOM with TI DM8148 processor
 
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* [[:Category:NaonEVB-Lite |NaonEVB-Lite ]] carrier board with custom add-on to provide display support
 
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* 800x480 LCD display (mod )
 
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* Capacitive touch screen
 
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[[File:Naon-android-ics-board.jpg|thumb|none|border|500px|Android ICS on Naon - Demo board]]
 
  
 
= Configuring the build system =
 
= Configuring the build system =
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Please follow the [http://source.android.com/source/initializing.html instructions to initialize the build environment] and in particular [http://source.android.com/source/downloading.html download] the repo tool and the AOSP source code.
 
Please follow the [http://source.android.com/source/initializing.html instructions to initialize the build environment] and in particular [http://source.android.com/source/downloading.html download] the repo tool and the AOSP source code.
  
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Please note that the required manifest file is [http://gitorious.org/rowboat/manifest/blobs/master/rowboat-ics-ti81xx.xml rowboat-ics-ti81xx.xml]. Please enter the following commands to update the source code:
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Please note that the required manifest file is [http://gitorious.org/rowboat/manifest/blobs/master/rowboat-ics-ti81xx.xml rowboat-ics-ti81xx.xml].
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<pre>
 
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repo init -u git://gitorious.org/rowboat/manifest.git -m rowboat-ics-ti81xx.xml
 
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repo sync
 
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</pre>
 
  
 
= Building Android =
 
= Building Android =
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== Building the kernel ==
 
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Assuming that '''rowboat-android''' is the directory containing the full AOSP source code:
 
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* '''kernel''' contains the Android kernel tree that must be patched to add Naon support
 
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* '''out/target/product/ti814xevm/''' will contain the created root file system
 
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To launch Android kernel build, enter the following commands:
 
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<pre>
 
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umask 0002
 
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export PATH=<path_to_toolchain>:$PATH
 
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export ARCH=arm
 
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export CROSS_COMPILE=arm-none-linux-gnueabi-
 
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export OUT_DIR_COMMON_BASE=<path_to_build_directory>
 
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export USE_CCACHE=1
 
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export CCACHE_DIR=<path_to_build_cache_directory>
 
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make TARGET_PRODUCT=naon OMAPES=6.x
 
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</pre>
 
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=== Makefile customization ===
 
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'''N.B''': The main '''Makefile''' must be modified at rows 71-73 so that the kernel configuration file naon_ics_defconfig is used instead of the default one.
 
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<pre>
 
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ifeq ($(TARGET_PRODUCT), naon)
 
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ifeq ($(KRN_DBG),1)
 
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$(MAKE) -C kernel ARCH=arm naon_ics_defconfig V=1 CONFIG_DEBUG_DONT_REORDER_CODE=1
 
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else
 
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$(MAKE) -C kernel ARCH=arm naon_ics_defconfig
 
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endif
 
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endif
 
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</pre>
 
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== Building the RFS ==
 
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To build the Android root file system (please note that it will take some time, depending on the host system performaces), launch the following commands:
 
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<pre>
 
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echo "Make new RFS..."
 
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sudo make TARGET_PRODUCT=naon OMAPES=6.x fs_tarball
 
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echo "DONE!"
 
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</pre>
 
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'''N.B''': The '''build/core/root.mk''' must be modified at row 13:
 
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<pre>
 
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ifeq ($(TARGET_PRODUCT), naon)
 
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export SYSLINK_VARIANT_NAME := TI814X
 
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CLEAN_RULE := syslink_clean sgx_clean kernel_clean clean
 
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rowboat: sgx
 
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else
 
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</pre>
 
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row 60
 
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<pre>
 
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endif
 
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</pre>
 
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row 83
 
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<pre>
 
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ifeq ($(TARGET_PRODUCT), naon)
 
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ifeq ($(KRN_DBG),1)
 
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$(MAKE) -C kernel ARCH=arm naon_ics_defconfig V=1 CONFIG_DEBUG_DONT_REORDER_CODE=1
 
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else
 
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        $(MAKE) -C kernel ARCH=arm naon_ics_defconfig
 
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endif
 
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endif
 
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</pre>
 
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row 114
 
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<pre>
 
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ifeq ($(TARGET_PRODUCT), naon)
 
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sgx: kernel_build ti81xx_kernel_modules
 
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else
 
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</pre>
 
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row 125
 
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<pre>
 
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endif
 
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</pre>
 
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== Cleaning the build ==
 
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To clean the build directory and repeat the process, just remove the '''out''' directory:
 
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<pre>
 
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sudo rm -rf out
 
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</pre>
 
  
 
= Running Android on Naon =
 
= Running Android on Naon =
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== U-boot environment ==
 
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The following u-boot environment variables must be set to run Android:
 
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<pre>
 
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naon_host=evb_lite_android
 
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andrk=tftp ${loadaddr} android/uImage
 
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andrroot=<path_to_android_rootfs>
 
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andrcons=setenv bootargs ${bootargs} console=ttyO0,115200n8 androidboot.console=ttyO0 rootwait noinitrd init=/init rw earlyprintk
 
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andrmem=setenv bootargs ${bootargs} mem=364M vram=16M notifyk.vpssm3_sva=${notify_mem}
 
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andrenv-nfs=setenv bootargs root=/dev/nfs rw nfsroot=${nfsserverip}:${andrroot} panic=5 loglevel=6 rootdelay=5
 
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andrenv-mmc=setenv bootargs root=/dev/mmcblk0p1 rootfstype=ext3 loglevel=8 rootdelay=2 panic=5
 
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android=run andrk andrenv-nfs andrmem andrcons addip; bootm ${buf}
 
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android-mmc=run andrk andrenv-mmc andrmem andrcons addip; bootm ${buf}
 
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andrnand=run andrenv-mmc andrmem andrcons addip; sf probe 0:0; sf read ${loadaddr} 0x80000 0x400000; bootm ${loadaddr}
 
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</pre>
 
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== Display type and resolution ==
 
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Android detects the display resolution from framebuffer settings. To change the resolution, the load parameter of the vpss.ko module must be adjusted into the rc.syslink init file. Some examples are the following:
 
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* for HDMI output at 1080p, the parameter is'''mode=hdmi:1080p-60,dvo2:800x480@60'''
 
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* for HDMI output at 1600x1200, the parameter is '''mode=hdmi:1600x1200@60,dvo2:800x480@60'''
 
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* for the 800x480 LCD display, the parameter is '''mode=hdmi:800x480@60,dvo2:lcd-ta1h'''
 
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== Screenshots ==
 
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[[File:Naon-android-ics-boot.jpg|thumb|none|border|500px|Android ICS on Naon - Boot]]
 
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[[File:Naon-android-ics-desktop.jpg|thumb|none|border|500px|Android ICS on Naon - Desktop]]
 
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[[File:Naon-android-ics-apps.jpg|thumb|none|border|500px|Android ICS on Naon - Apps]]
 
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[[File:Naon-android-ics-info.jpg|thumb|none|border|500px|Android ICS on Naon - Info Screen]]
 

Revision as of 17:10, 28 March 2013

HOME SOMs SBCs ToloMEO Embedded Assistant Sale-tag.pngGET A QUOTE Customer-service.pngONLINE HELPDESK
Roadmap IoT Services ML/AI services Embedded Design Services
Info Box
Android-logo.jpg Applies to Android
Naon am387x-dm814x.png Applies to Naon
Maya 03.png Applies to Maya
Dido-main.png Applies to Dido

Introduction[edit | edit source]

Texas Instruments provides the Android developement kits for the Sitara platform, but an official release for the DM814x/AM387x processor is not yet available. However, it is possible to build Android 4.0.3 Ice Cream Sandwich (ICS) for the DM814x/AM387x processor and make it run on the Naon/Maya/Dido SoMs.

Useful links[edit | edit source]

Configuring the build system[edit | edit source]

Please follow the instructions to initialize the build environment and in particular download the repo tool and the AOSP source code.

Please note that the required manifest file is rowboat-ics-ti81xx.xml.

Building Android[edit | edit source]

Running Android on Naon[edit | edit source]

HOME SOMs SBCs ToloMEO Embedded Assistant Sale-tag.pngGET A QUOTE Customer-service.pngONLINE HELPDESK
Roadmap IoT Services ML/AI services Embedded Design Services
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