So basically I would need to write my own drivers for video and whatnot to get everything working?
On Thursday, September 3, 2015 at 8:39:22 PM UTC-4, Glenn Kasten wrote: > > I recommend this site also: > https://source.android.com/devices/index.html > The "interfaces" section describe the major Hardware Abstraction Layer > (HAL) > interfaces that you will need to implement when you port to a new device. > > On Thursday, September 3, 2015 at 5:33:29 PM UTC-7, Brian Yee wrote: >> >> Hi Raul, >> >> So if I wanted to build for the Samsung Galaxy Tab S2 9.7, which has >> the Exynos 5433 CPU I could use the 'kernel/exynos' option listed in the >> table? Thus I can build the vanilla AOSP and put it on the tablet? How >> would I get things like the drivers for the video card, camera and other >> hardware in the build? >> >> I believe cyanogenmod has a build, but I want to learn how to do it >> myself so I can play around with the AOSP, make changes and put it on the >> tablet. >> >> If not how would I go about doing this with the Samsung tablet i have >> referenced? Buying a Nexus 9 is out of the questions right now. >> >> Thanks for any help! >> -Brian >> >> >> >> >> On Wednesday, July 22, 2015 at 10:35:19 AM UTC-4, Raul Piper wrote: >>> >>> Hi Jaimin, >>> Is your allwinner a20 processor listed under the list of >>> Processors(Soc) mentioned in the list of AOSP(android Open Source kernel) >>> kernels here : (under Figuring out which kernel to build : ) >>> >>> -> >>> http://source.android.com/source/building-kernels.html#figuring-out-which-kernel-to-build >>> >>> >>> DeviceBinary locationSource locationBuild configurationshamu >>> device/moto/shamu-kernelkernel/msmshamu_defconfigfugu >>> device/asus/fugu-kernelkernel/x86_64fugu_defconfigvolantis >>> device/htc/flounder-kernelkernel/tegraflounder_defconfighammerhead >>> device/lge/hammerhead-kernelkernel/msmhammerhead_defconfigflo >>> device/asus/flo-kernel/kernelkernel/msmflo_defconfigdeb >>> device/asus/flo-kernel/kernelkernel/msmflo_defconfigmanta >>> device/samsung/manta/kernelkernel/exynosmanta_defconfigmako >>> device/lge/mako-kernel/kernelkernel/msmmako_defconfiggrouper >>> device/asus/grouper/kernelkernel/tegrategra3_android_defconfigtilapia >>> device/asus/grouper/kernelkernel/tegrategra3_android_defconfigmaguro >>> device/samsung/tuna/kernelkernel/omaptuna_defconfigtoro >>> device/samsung/tuna/kernelkernel/omaptuna_defconfigpanda >>> device/ti/panda/kernelkernel/omappanda_defconfigstingray >>> device/moto/wingray/kernelkernel/tegrastingray_defconfigwingray >>> device/moto/wingray/kernelkernel/tegrastingray_defconfigcrespo >>> device/samsung/crespo/kernelkernel/samsungherring_defconfigcrespo4g >>> device/samsung/crespo/kernelkernel/samsungherring_defconfig >>> >>> If it is there it is fairly easy to start the porting process : >>> As a summary these will be the steps : >>> >>> 1.Download the Android source (start with Kitkat : 4.4.4 ) and build it >>> , follow : http://source.android.com/source/building-running.html >>> 2.Download the kernel source for your board and build it. follow : >>> http://source.android.com/source/building-kernels.html >>> 3.Link the zImage of the kernel built in #2 at >>> arch/<processor-type>/boot/zImage (use ln -s <location of zImage> kernel) >>> 4.Build the Android as whole or build the bootimage - make bootimage >>> 5.Now in the device/<manufacture>/<device-name>/ there must be a README >>> to flash the board you have using fastboot. >>> 6.Using #5 Use the images formed in the out/target/product/<your device >>> name> - system.img ,boot.img and userdata.img as formed after #4 (for all >>> images ) to flash your board. >>> 7.Connect your Board with the HDMI cable to a Display screen and connect >>> it using USB cable for USB adb debugging. >>> >>> >>> You can connect the minicom to get the output while your board >>> boots(kernel) up by connecting RS232-to-USB cable with your board . >>> If you find any issue post the logs here . >>> >>> This link has all the information you need : >>> http://source.android.com/source/building-kernels.html#figuring-out-which-kernel-to-build >>> and follow below points sequentially : >>> >>> - Overview <http://source.android.com/source/index.html> >>> - Downloading and Building >>> <http://source.android.com/source/building.html> >>> - Initializing the Build Environment >>> <http://source.android.com/source/initializing.html> >>> - Downloading the Source >>> <http://source.android.com/source/downloading.html> >>> - Building and Running >>> <http://source.android.com/source/building-running.html> >>> - Building for Devices >>> <http://source.android.com/source/building-devices.html> >>> - Building Kernels >>> <http://source.android.com/source/building-kernels.html> >>> >>> >>> >>> Have a good luck exploring your board with the Android. >>> Rgds, >>> Rp >>> >>> >>> >>> >>> >>> >>> >>> On Wed, Jul 22, 2015 at 10:35 AM, Jaimin Ajmeri <jaimin...@gmail.com> >>> wrote: >>> >>>> Hi People, >>>> >>>> I would like to learn porting android os to allwinner a20 processor. I >>>> want to learn the process involved in porting android os to a new board. >>>> Please guide through the process. >>>> >>>> Thanks, >>>> Jaimin >>>> >>>> -- >>>> -- >>>> unsubscribe: android-porti...@googlegroups.com >>>> website: http://groups.google.com/group/android-porting >>>> >>>> --- >>>> You received this message because you are subscribed to the Google >>>> Groups "android-porting" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to android-porti...@googlegroups.com. >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> >>> -- -- unsubscribe: android-porting+unsubscr...@googlegroups.com website: http://groups.google.com/group/android-porting --- You received this message because you are subscribed to the Google Groups "android-porting" group. To unsubscribe from this group and stop receiving emails from it, send an email to android-porting+unsubscr...@googlegroups.com. 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