[Arm-netbook] [EOMA68] RS232 on SoCs

Christopher Thomas christopher at firemothindustries.com
Tue Sep 3 19:15:41 BST 2013


On Tue, Sep 3, 2013 at 12:32 PM, Philip Hands <phil at hands.com> wrote:

> "luke.leighton" <luke.leighton at gmail.com> writes:
>
> > On Tue, Sep 3, 2013 at 11:19 AM, Philip Hands <phil at hands.com> wrote:
> >
> >> I've tried just plugging GND and RX (from the converter) in, which I'd
> >> think would provide no power, and still I generally see no output from
> >> the fel-loaded uboot -- that's despite the uboot then going on to boot
> >> Debian from SD to the point that I can log into it over the USB-OTG's
> >> network.
> >
> >  ah.  that would tend to suggest that the version of u-boot you've
> > picked up is not outputting to the correct serial port.
>
> Nope -- it sometimes (rarely) works.
>
> When it's working, I also get output indicating that it's found its RAM
> From the first stage thing that only loads first with fel.
>
>
So the UART0 rarely works regardless of using the MEB? Or only when it's
plugged into the MEB?

-- 
Christopher Thomas
Firemoth Industries, LLC - Owner
christopher at firemothindustries.com
214-458-5990
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