Re: [beagleboard] BBB Jessie 8.3 boot default eMMC or sd card?

2016-03-23 Thread S 

Thank you!

Vinicius

Em 23-03-2016 15:55, Robert Nelson escreveu:

On Wed, Mar 23, 2016 at 1:32 PM, S  wrote:

Is it possible to disable boot via sd card, enabling them only by pressing
the boot button?

If affirmative, how to proceed?

The boot search order is controlled from here:

https://github.com/u-boot/u-boot/blob/v2016.03/include/configs/am335x_evm.h#L87-L93

mmc 0 = microSD
mmc 1 = eMMC

Regards,



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Re: [beagleboard] BBB Jessie 8.3 boot default eMMC or sd card?

2016-03-23 Thread Robert Nelson 
On Wed, Mar 23, 2016 at 1:32 PM, S  wrote:
> Is it possible to disable boot via sd card, enabling them only by pressing
> the boot button?
>
> If affirmative, how to proceed?

The boot search order is controlled from here:

https://github.com/u-boot/u-boot/blob/v2016.03/include/configs/am335x_evm.h#L87-L93

mmc 0 = microSD
mmc 1 = eMMC

Regards,

-- 
Robert Nelson
https://rcn-ee.com/

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Re: [beagleboard] BBB Jessie 8.3 boot default eMMC or sd card?

2016-03-23 Thread Joshua Datko 
On Wed, Mar 23, 2016 at 10:34 AM, Robert Nelson  wrote:

> We've kept the instructions the same, recommending users hold the boot
> button, to help work around some issues on versions of u-boot from
> 2013/2014..

Great thanks! I've been pushing that button for so long now... not
pushing it would feel like that scene from LOST ;)

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Re: [beagleboard] BBB Jessie 8.3 boot default eMMC or sd card?

2016-03-23 Thread Robert Nelson 
On Wed, Mar 23, 2016 at 11:28 AM, Joshua Datko  wrote:
> Is the default boot the eMMC or the sd card?

the bootrom read's the eMMC first..

> I thought it was the eMMC but I'm helping out some friends and they
> took the latest Jessie 8.3 console flasher image, stuck in the sd
> card, turned on the BBB, and it flashed without holding the user boot
> button.
>
> I'm not sure what they were running previously :(

As long as it was running a default image, either Angstrom/Debian
later then: 2013.06.20

Or any of my images from rcn-ee.com/elinux.org/etc..

> I wouldn't have thought that would work and I don't have a spare BBB
> at the moment to try it, so I was wondering if 1.) I'm confused or 2.)
> something changed or 3.) someone can upgrade my knowledge of how the
> BBB boots.

Nothing's really changed.  The old Angstrom image's required holding
the boot button..

We've kept the instructions the same, recommending users hold the boot
button, to help work around some issues on versions of u-boot from
2013/2014..

Otherwise, the 'flasher' images really don't require the boot button
pressed now-days..

Regards,

-- 
Robert Nelson
https://rcn-ee.com/

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[beagleboard] BBB Jessie 8.3 boot default eMMC or sd card?

2016-03-23 Thread Joshua Datko 
Is the default boot the eMMC or the sd card?

I thought it was the eMMC but I'm helping out some friends and they
took the latest Jessie 8.3 console flasher image, stuck in the sd
card, turned on the BBB, and it flashed without holding the user boot
button.

I'm not sure what they were running previously :(

I wouldn't have thought that would work and I don't have a spare BBB
at the moment to try it, so I was wondering if 1.) I'm confused or 2.)
something changed or 3.) someone can upgrade my knowledge of how the
BBB boots.

Josh

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