[Arm-dev] Gigabyte MP30-AR0

Thu Mar 10 14:11:46 UTC 2016
Jeremiah Rothschild <jeremiah at franz.com>

On Thu, Mar 10, 2016 at 01:47:36PM +0000, Gordan Bobic wrote:
> On 2016-03-10 13:39, Karanbir Singh wrote:
> >-----BEGIN PGP SIGNED MESSAGE-----
> >Hash: SHA1
> >
> >On 09/03/16 21:11, Jeremiah Rothschild wrote:
> >>On Fri, Mar 04, 2016 at 02:05:08PM +0000, Michael Howard wrote:
> >>>On 04/03/2016 11:47, Richard W.M. Jones wrote:
> >>>>On Sat, Feb 20, 2016 at 11:06:08AM +0700, Phong Vo wrote:
> >>>>>In theory, you just need to convert CentOS vmlinuz to uImage,
> >>>>>then do U-boot boot using the dtb and CentOS initrd.img; but
> >>>>>somehow it hangs on me. I'll need to dig into it further.
> >>>>>
> >>>>>I am not aware that it was shipped only with U-boot. If you
> >>>>>want to try with UEFI, take it from my dropbox
> >>>>>
> >>>>>https://dl.dropboxusercontent.com/u/20403943/mp30ar0_tianocore_bina
> >ries.tar.xz
> >>>>>
> >>>>>
> >>>>>
> >mp30ar0_tianocore_media.img: burn to SPI NOR if you want to
> >replace U-bo
> >ot
> >>>>>permanently
> >>>>Has anyone tried this step ^^ (replacing u-boot permanently)?
> >>>>
> >>>>I'm not too keen to brick an $800 board.  Is it reversible?
> >>>>
> >>>>
> >>>
> >>>No, not tried it, don't see the point of risking it at the mo.
> >>>Somebody did brick their board
> >>>(https://lists.centos.org/pipermail/arm-dev/2016-February/001622.html
> >)
> >>>
> >>>
> >and for me, I just chainload tianocore from u-boot via tftp.
> >>
> >>Indeed - that was me! Fun times. I'm all up & running on CentOS 7.2
> >>now, though, thanks to the help of you fine folks on here.
> >>
> >>One thing I did change was to not boot via TFTP since I'd rather
> >>not have booting dependent on network availability. Instead I'm
> >>loading via SD. It was pretty straight forward but, in case anyone
> >>else is interested, I replaced the load_tianocore variable like so
> >>(assuming dev 0, part 1):
> >>
> >>setenv load_tianocore 'fatload mmc 0:1 0x82000000
> >>mp30ar0_tianocore_ubt.fd; fatload mmc 0:1 0x1d000000
> >>mp30ar0_tianocore_sec_ubt.fd'
> >>
> >>Stoked. Thanks again, guys!
> >
> >I was wondering if one of you guys might be willing to own/submit a
> >wiki page article around this board, howto get rolling with CentOS
> >etc ?
> 
> I was planning to do just that this weekend when I get mine up and
> running. :-)

I actually have to draft something up for our internal wiki today. Would be
happy to contribute, too!

> I am very much in favour of the way Jeremiah has his set up, though.
> Having u-boot as the stage 1 bootloade before TianoCore UEFI adds a
> lot more flexibility at the relatively trivial expense of adding a
> seconds or two to the boot time.
> 
> Gordan
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