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