Hello,
That would be the most obvious thing, wouldn't it. I thought of that,
but am not sure of the answer in u-boot.
Thanks,
Brian
On 2/11/2015 12:09 AM, Joe Hershberger wrote:
On Tue, Feb 10, 2015 at 7:18 PM, Brian Smucker <b...@bsmucker.eu.org
<mailto:b...@bsmucker.eu.org>> wrote:
>
> Hello,
>
> I was wondering if there is a way to tell what the boot source is?
>
> My am335x SOC can boot to the mmc or the flash, based on the status
of a digital line. I would like to load the uEnv.txt, only if booting
from SD card (mmc). I notice at least in some codebases that the
automatic loading of uEnv.txt is based on whether the SD card is
available, not whether we are currently booting from the SD card.
>
> Is there a way to sense which we are booting from?
Are you able to read the same digital line that the SoC is using to
decide?
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