[Arm-dev] Gigabyte MP30-AR0

[Michael Howard]

On 10/03/2016 13:47, Gordan Bobic wrote:
> On 2016-03-10 13:39, Karanbir Singh wrote:
>> -----BEGIN PGP SIGNED MESSAGE-----
>> Hash: SHA1
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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.
>

5 seconds only to be precise, at least on my board :)

-- 
Mike Howard