From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <92c0a9e8051a3b604384c7a761f48f01d5244cee.camel@collabora.com>
Subject: Re: MIPS test results
From: Ezequiel Garcia <ezequiel@collabora.com>
Date: Fri, 14 Dec 2018 14:43:40 -0300
In-Reply-To: <7hr2ekniq8.fsf@baylibre.com>
References: <997-5c133500-1-763d5380@188620748>
	 <7hr2ekniq8.fsf@baylibre.com>
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List-ID: <kernelci.groups.io>
To: Kevin Hilman <khilman@baylibre.com>, Ezequiel Garcia <ezequiel.garcia@collabora.com>
Cc: Paul Burton <paul.burton@mips.com>, "kernelci@groups.io" <kernelci@groups.io>

On Fri, 2018-12-14 at 09:03 -0800, Kevin Hilman wrote:
> "Ezequiel Garcia" <ezequiel.garcia@collabora.com> writes:
> 
> > On Thursday, December 13, 2018 21:51 -03, Kevin Hilman <khilman@baylibre.com> wrote: 
> >  
> > > Paul Burton <paul.burton@mips.com> writes:
> > > 
> > > [...]
> > > 
> > > > For the Ci20 there are 2 main options:
> > > > 
> > > >   1) Use a U-Boot uImage.
> > > > 
> > > >      The Ci20 ships with the U-Boot bootloader by default, and expects
> > > >      to load kernels packages in the legacy U-Boot uImage format. When
> > > >      you build the kernel, if you have the U-Boot mkimage tool in your
> > > >      $PATH, you should get a arch/mips/boot/uImage.gz file. You then
> > > >      load this into DDR using U-Boot, for example using the tftp
> > > >      command, and run the bootm command to boot the kernel.
> > > > 
> > > >      Of note is that Ezequiel Garcia, CC'd, is currently working on
> > > >      upstreaming Ci20 support in U-Boot.
> > > 
> > > u-boot is the preferred option, and I just tried it on my Ci20, but it
> > > seems the u-boot on this board doesn't find the network, so I can't
> > > DHCP/TFTP (log below[1]).
> > > 
> > > If I just let the kernel boot that is flashed on the board, it boots up
> > > an OpenWRT image and is able to DHCP and get an IP address, so I know
> > > the network interface is working.
> > > 
> > > Maybe Ezequiel has a newer version of u-boot with working network
> > > support I could try?  If so, please also send instructions for how to
> > > (re)flash u-boot, (or maybe boot a new u-boot from the SD card?)
> > > 
> > 
> > Yes, I have. I will push a branch for you and let you know,
> > so you can test with some recent U-Boot.
> 
> Cool, thanks.
> 
> > However... this log you have here is not from the CI20 board,
> > which is JZ4780 SoC, but from some development board
> > with a Pistachio SoC!
> 
> The board I have is labeled Creator Ci40, and grep'ing in the MIPS DT
> files, led me to pistachio_marduk.dts.
> 

I'm only working on CI20, which AFAIK is a completely different SoC.

> > I thought those were dead, but it seems there are some Pistachio
> > boards around ?
> 
> This was given to me by Imagination a couple years ago, but I never had
> the time to get it into kernelCI, and then the interest from Imagination
> "went away." ;)
> If nobody cares about this particular board, I don't really want to
> waste any time on it either.  But, if there are other boards that people
> actually care about we should integrate into kernelCI, and that someone
> wants to donate, I'd prefer to setup those.
> 

Hm, I don't know how interesting CI40 is. I'm under the impression CI20
is more widespread, and was more distributed, but Paul should know
better than me about this.

Regards,
Eze