thoughts for next steps...

[Gedare Bloom]

On Wed, Jun 24, 2015 at 9:37 AM, Ed Sutter <ed.sutter at alcatel-lucent.com> wrote:
> Jarielle,
> Something to consider...
>
> I think the next two big steps are:
> - Init DRAM
> - Boot standalone (using uSD instead of UART)
>
> I believe your current plan was to work on DDR-init next; however it may be
> better (your choice, just adding my 2cents) to consider booting from microSD
> as the next task.  Here's why I say that...
>
> As you are playing with DDR-init you'll have to do a lot of restarting the
> board.
> Each time you do that, you'll have to reboot using Xmodem.  This requires a
> few manual steps: hold boot button while power cycling, then issue xmodem...
>
> Alternatively, if you get the boot-from-uSD card stuff working, and then
> erase
> the eMMC (causing the cpu to automatically boot from uSD), you should be
> able to just push the reset button to restart a locked up board.
>
In other words, it has a tighter develop-execute-debug loop.

> It would just be easier (IMHO) if the board could reset with this basic uMon
> image
> (what you have running now) by default.  Know what I mean?  If yes, what do
> you think?
> Ed
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