[meta-xilinx] Support for PicoZed 7030 and FMC V2 Carrier

[Manjukumar Harthikote Matha]

Hi Andy,

> -----Original Message-----
> From: meta-xilinx-bounces at yoctoproject.org [mailto:meta-xilinx-
> bounces at yoctoproject.org] On Behalf Of Andreas Galauner
> Sent: Tuesday, July 31, 2018 1:39 PM
> To: meta-xilinx at yoctoproject.org; Thomas Goodwin
> <btgoodwin at geontech.com>
> Subject: Re: [meta-xilinx] Support for PicoZed 7030 and FMC V2 Carrier
> 
> On 10.07.2018 17:05, Thomas Goodwin wrote:
> > Hello,
> >
> > I'm attempting to build the picozed-zynq7 machine using meta-xilinx
> > with Poky 2.4.2.  I've tried using the /rocko/ branch as well as
> > /rel-v2018.2/.  For the latter, I had to patch the machine definition
> > since it was missing /require
> > /(PR: https://github.com/Xilinx/meta-xilinx/pull/9).  My layer
> > configuration is:
> >
> > BBLAYERS ?= " \
> >   /ssd/yocto_projects/picozed/poky/meta \
> >   /ssd/yocto_projects/picozed/poky/meta-poky \
> >   /ssd/yocto_projects/picozed/poky/meta-xilinx/meta-xilinx-bsp \
> >   "
> >
> > In each case, I can build /core-image-minimal/, however there is no
> > console output on boot over the UART.  The D10 and D11 PS LEDs on the
> > FMC carrier card are flashing in sync.
> >
> > Has anyone else successfully built for this target recently?
> 
> Yes, the u-boot device tree is broken for the Picozed. There is no console defined
> (the chosen/stdout-path node is missing) and because of that u-boot panics and
> the board resets. That's why the LEDs are "blinking"
> 
> I stepped through the code using JTAG and found out what's causing this after a
> longer debugging session. I fixed the device tree and it started to work. I also
> added some more stuff to it like USB, QSPI and the Ethernet MAC. In theory that
> should make them work as well, but I'm not sure if I ever tested that.

Can you submit the patch to u-boot mainline?

Thanks,
Manju