From: Gerald Coley <[email protected]> Reply-To: <[email protected]> Date: Monday, December 16, 2013 at 6:34 AM To: "[email protected]" <[email protected]> Cc: <[email protected]> Subject: Re: [beagleboard] Boot Android from eMMC without Micro SD ??
> eMMC runs at 48MHZ. > uSD runs at 48MHz. > eMMC is 8bit. > uSD is 4bit. Hi Gerald, Based on the specs, you would think that eMMC would run faster, but it doesn¹t. Run the following Linux command to test the speed of each device: sudo hdparm tT /dev/mmc0blk0p1 SDCard 21MB/s eMMC 12MB/s This doesn¹t make sense, but perhaps there is something else going on. Regards, John > > Gerald > > > > On Mon, Dec 16, 2013 at 8:29 AM, Efecan Yilmaz <[email protected]> > wrote: >> I'm not an expert but I think, If you want speed, you should use an SD cards >> like this: >> >> http://www.samsung.com/uk/consumer/memory-cards-hdd-odd/memory-cards-accessor >> ies/micro-sd-plus-accessories/MB-MPAGA/EU?subsubtype=micro-sd-plus-accessorie>> s >> >> or something which has min 30 mb/s read speed. I'm using the one in the link >> and my Beaglebone is working without a problem with TI's Android image. Don't >> waste your time trying to boot Beaglebone from eMMC. If you use a high speed >> SD card you'll get better performance. >> >> >> On Monday, 16 December 2013 08:22:58 UTC+2, [email protected] wrote: >>> Hi Gerald, >>> >>> Could you please tell us how this is possible as i also want to flash >>> android or even ubuntu desktop on eMMC. b'coz i want to speed up the OS. I >>> have ubuntu on sdCard but it is very slow. >>> >>> On Monday, September 2, 2013 5:19:33 PM UTC+5:30, Gerald wrote: >>>> Oh, I understand totally. But, the idea is to make sure the board is OK and >>>> functioning, so that is what I suggest going back to the factory image to >>>> make sure. Then work the Android issue. I don't know of anyone that has >>>> flashed the eMMC with an Android image. everything i have seen so far is SD >>>> card booting only. But it should be possible. >>>> >>>> Gerald >>>> >>>> >>>> >>>> On Mon, Sep 2, 2013 at 3:50 AM, Efecan Yilmaz <[email protected]> wrote: >>>>> Hi Gerald. Thanks for the answer. But I'm not trying to boot Android from >>>>> SD card. I'm trying to flash Android files into onboard eMMC. I want to >>>>> boot Android without SD card. >>>>> >>>>> >>>>> On Thursday, 29 August 2013 17:29:52 UTC+3, Gerald wrote: >>>>>> Did you look here? >>>>>> >>>>>> http://circuitco.com/support/index.php?title=Android >>>>>> <http://circuitco.com/support/index.php?title=Android> >>>>>> >>>>>> Gerald >>>>>> >>>>>> >>>>>> >>>>>> On Thu, Aug 29, 2013 at 9:17 AM, Efecan Yilmaz <[email protected]> >>>>>> wrote: >>>>>>> I'm trying to flash Android into eMMC. I wrote an Angstrom image into an >>>>>>> SD card. I booted BBB wtih that SD card. I create three partions on eMMC >>>>>>> for Android via terminal in Angstrom. From this point, I'm not sure >>>>>>> which files I must copy to eMMC's boot and rootfs partitions. And I >>>>>>> think I must modify some files because I used an image which runs on SD >>>>>>> card (I think I must change mmcblk0 references to mmcblk1). Long story >>>>>>> short: >>>>>>> >>>>>>> 1) Which files I need to copy to eMMC's which partitions? >>>>>>> 2) Which files should I modify for my image to run on eMMC? (mmcblk0 to >>>>>>> mmcblk1 problem) >>>>>>> >>>>>>> If you can help me, I'll be grateful :) >>>>>>> And sorry for my English :) >>>>>>> -- >>>>>>> For more options, visit http://beagleboard.org/discuss >>>>>>> --- >>>>>>> You received this message because you are subscribed to the Google >>>>>>> Groups "BeagleBoard" group. >>>>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>>>> an email to [email protected]. >>>>>>> >>>>>>> For more options, visit https://groups.google.com/groups/opt_out >>>>>>> <https://groups.google.com/groups/opt_out> . >>>>>> >>>>> -- >>>>> For more options, visit http://beagleboard.org/discuss >>>>> --- >>>>> You received this message because you are subscribed to the Google Groups >>>>> "BeagleBoard" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send an >>>>> email to [email protected]. >>>>> For more options, visit https://groups.google.com/groups/opt_out >>>>> <https://groups.google.com/groups/opt_out> . >>>> >> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to the Google Groups >> "BeagleBoard" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] >> <mailto:beagleboard%[email protected]> . >> For more options, visit https://groups.google.com/groups/opt_out. > > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. 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