Just to clarify something in the article: On 20/05/14 20:38, Chris Samuel wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > On Tue, 20 May 2014 07:52:52 PM Robert Brown wrote: > >> Proceeded to compile kernel and modules - without error. >> Followed steps in attached file. >> Fails to boot and because I have no access to u-boot prompt am unable to >> troubleshoot. Anyone have any comments on my compile process? > I suspect that's related to the fact that the boards assume FEX support > whereas the mainline kernel universe uses Device Tree instead. > > The LWN article[1] I've just sent you off-list comments that: > > # The solution was a runtime FEX-to-DT translator called sunxi-babelfish. > # It behaves like a normal U-Boot kernel image, but instead reads the > # FEX file and constructs a DT file that gets passed to the DT-based > # kernel that is next in the boot progression. So mainline kernels can > # now boot on most available boards and tablets. The A10 is presumably in this list so should at least boot on 3.15 rc5? and also from the article: "Most everything needed for a headless device is available" I am ok with it being headless but can any boot problems be diagnosed? > > Why not support FEX? Well basically because it's a reinvention of Device > Tree, but badly designed. > > # Leighton showed why FEX was unsuitable for more than just a single > # SoC—it was not possible to support a driver for new hardware in > # Allwinner's FEX-only kernels. > > But as the article goes on to point out the mainline support for these devices > has a long way to go, so it looks for the near future you're really stuck with > the old, hardware specific, kernels from the sunxi people. :-( > > [1] - https://lwn.net/Articles/597916/ for other subscribers, free from > Thursday when the next LWN comes out. > > Best of luck, > Chris > - -- > Chris Samuel : http://www.csamuel.org/ : Melbourne, VIC > > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v2.0.22 (GNU/Linux) > > iQEVAwUBU3swl41yjaOTJg85AQKD7ggAqeSvL8qwXrZSuq7uqvYf2vEwJ4BOVjO9 > Luhyi9joQyTJ6bewnkmX8kBqtqlZ6CRMX4UI/XmMvN2ww8xpU8mpR3htMf2ZViq8 > HRrkSpm/daKlCLNUOea5+VK3v3TbyuDzIEinhQQuyq0dqXV6ofhZ7zFKoPPj0eiT > EwWcA0bk/LhrZBS9dAVwfLxput0h6NV9rBjDhnYr63WLMKmikk2ONFy0IPwe73lz > AudzviBQlVEU4rZoFjwL4BJwDrTaswJc5/CEeq3n4UKhysuY0QCFQiS1/OD/5stz > 03E87kJcEWrMRJsYuPQAKI6bAELwTuRGlMOeXt8B25I7XN/Oqu6udw== > =aBoY > -----END PGP SIGNATURE----- > > _______________________________________________ > luv-main mailing list > [email protected] > http://lists.luv.asn.au/listinfo/luv-main
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