On Thu, Feb 13, 2014 at 1:48 PM, Rusty Wright <rusty.wri...@gmail.com>wrote:

>
> If I plan to only boot to the SD card, why would I want/need to flash the
> eMMC with the latest?
>
> This may be answered by the previous question's answer; does flashing the
> eMMC update the
> lowest level, stage 1, or whatever it's called (whatever's not in the DOS
> partition) u-boot code?
> I guess I'm assuming that the lowest level boot code is u-boot, but
> perhaps that's incorrect.
>

All boot files (MLO/u-boot.img) are visible in the fat partition.

It's just that the u-boot files get loaded from the eMMC first.

So the only reasons for flashing the eMMC, is to either use it, or to
update the boot files.

If you never use the eMMC, you can even "sudo dd if=/dev/zero
of=/dev/mmcblk1" and never worry about the eMMC's u-boot getting in the way
again.

Regards,

-- 
Robert Nelson
http://www.rcn-ee.com/

-- 
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