Hi ,
can we do the flashed images on the emmc as secured.(means not to
hack by any one through any method like mmc, usb, uart)
I want to keep my os and rootfs on emmc along with my application.
now i want to make them secured [not to hack by any methods].
and also i need the option that i can able to update the application.
how can this possible on beaglebone black?
can you please help me on this issue.
Thanks and Regards,
Ramakrishna.
On Tuesday, August 27, 2013 6:47:37 PM UTC+5:30, Charles Steinkuehler wrote:
>
> On 8/27/2013 8:07 AM, [email protected] <javascript:> wrote:
> > Hi all,
> >
> > I have new Beagle bone black with me now and I am wandering is it
> possible
> > to flash the integrated eMMC with MLO, U-Boot, kernel and file system
> > images without using the uSD card?
> >
> > Could this be done from host PC (Linux running) via UART or USB?
>
> If there's something in the eMMC already (so the system boots), you
> could write a self-programming application that flashed the internal
> eMMC with data from the UART or USB, but it would have to run out of ram.
>
> If the eMMC is unprogrammed or corrupt, you can boot from UART or USB
> and then program the eMMC (you may need to pull some boot mode pins high
> or low at power-on to select the correct boot mode).
>
> Both options probably involve a fair amount of software development, but
> should be possible.
>
> Is there a specific reason you not want to program via an SD card?
>
> --
> Charles Steinkuehler
> [email protected] <javascript:>
>
--
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