clear the boot partition on eMMC?

2014-06-06 21:31 GMT+04:00 <[email protected]>:

> It seems BBB Rev C forces you to press the button to boot from the SD
> card. I have been unable to get it to boot from the SD otherwise. Tested on
> 6 BBB Rev C (what you describe is what I see on Rev B and Rev A6A)
>
> On Monday, January 27, 2014 2:59:56 PM UTC-5, john3909 wrote:
>>
>>
>> On 1/27/14, 5:37 AM, "Charles Steinkuehler" <[email protected]>
>> wrote:
>>
>> >On 1/24/2014 6:29 PM, [email protected] wrote:
>> >> Hello
>> >>
>> >> Sorry, purhaps is this already somewere posted, but i can't find a
>> >>answer:
>> >>
>> >> How can i change the settings, that the BB-Black automaticaly always
>> >>boots
>> >> from the SD Card? I don't want to press always the boot-button.
>> >
>> >The default boot loader in the on-board emmc will look for an SD card
>> >and try to boot it if found.  The boot button is generally only
>> >necessary to force booting from the SD card if your emmc gets corrupt.
>> What you said is mostly correct, but without the button pressed, the
>> processor loads MLO and u-boot from emmc and the u-boot script checks to
>> see if the SDCard is installed and then loads Env.txt, zImage/uImage, etc
>> from the SDCard. Pressing the boot button makes the processor load MLO
>> and
>> u-boot from the SDCard. This ensures that you cannot brick the BBB.
>>
>> Regards,
>> John
>> >
>> >--
>> >Charles Steinkuehler
>> >[email protected]
>> >
>> >--
>> >For more options, visit http://beagleboard.org/discuss
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