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. :-)