[Arm-dev] Gigabyte MP30-AR0

[Gordan Bobic]

On 2016-03-10 13:39, Karanbir Singh wrote:
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> 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 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