[Arm-dev] Gigabyte MP30-AR0

[Michael Howard]

On 11/03/2016 10:38, Gordan Bobic wrote:
> On 2016-03-11 10:31, Michael Howard wrote:
>> On 10/03/2016 13:47, 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 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 :)
>
> Is that because the interactive boot keypress timeout on u-boot
> defaults to 5 seconds? I ask because that is actually adjustable. :-)
>
:) no, that was just coincidence. I was actually referring to 5 secs 
being the difference between tftp and mmc loading. I haven't burned UEFI 
permanently.

-- 
Mike Howard