MX28 & finding out boot mode

[Dong Aisheng]

On Thu, Aug 30, 2012 at 04:25:18PM +0800, Wolfram Sang wrote:
> Hi,
> 
> is there a way to find out how the MX28 was booted? I could read out the
> bootmode-pins for indication. Still, either by button or by empty NAND,
> the CPU could have been booted via USB recovery mode. And going through
> the docs and the bootlets code, I can't find a way to determine if USB
> recovery was used.
> 
> So, can USB recovery mode be detected somehow? Then, this and reading
> pins should be sufficent, no?
> 
Add Frank&Peter who may know it.

Regards
Dong Aisheng