Date: Fri, 25 Mar 2016 12:47:09 -0600 (MDT) From: Warren Block <wblock@wonkity.com> To: "Lundberg, Johannes" <johannes@brilliantservice.co.jp> Cc: Lars Engels <lars.engels@0x20.net>, =?KOI8-R?B?98zBxMnNydI=?= <foxii@bk.ru>, FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: question on support processor Intel Atom Z3735F Message-ID: <alpine.BSF.2.20.1603251240200.36465@wonkity.com> In-Reply-To: <CAASDrVkYiwDfV-Ff1aHP0a=AMR7g3A3cUxBEaWw9_9eWhBNPNQ@mail.gmail.com> References: <1458846365.574939838@f173.i.mail.ru> <20160325110501.GN24170@e-new.0x20.net> <CAASDrVkYiwDfV-Ff1aHP0a=AMR7g3A3cUxBEaWw9_9eWhBNPNQ@mail.gmail.com>
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On Fri, 25 Mar 2016, Lundberg, Johannes wrote: > One problem is that most of these devices have only 32 bit UEFI which > FreeBSD does not support (except Intel Compute Stick which has 64 bit UEFI). The MinnowBoard has both 32-bit and 64-bit UEFI. My Turbot came with 64-bit UEFI, and the FreeBSD amd64 UEFI install image works fine with it. This is an Atom E3826 board. > I use special built Grub to boot a 64 bit Arch Linux on this chip, maybe > same approach could be used to boot a 64 bit FreeBSD. However, you probably > won't be able to use the internal eMMC (if your device got it) since the > controller can not initiate mmc memory correctly. Work in progress here > though by me and Ilya. > > On a side note, > it would though be nice to have 32 bit UEFI support on FreeBSD because that > would include support for Intel IoT boards like Galileo etc which are all > 32 bit. Might be a lot of work though.. If any existing 32-bit Linux UEFI loader could be made to work with FreeBSD (possibly chainloading?), that would be better than nothing. I would like to have the opposite method also, having a 64-bit UEFI boot a 32-bit FreeBSD. (Why? So my run-on-anything 32-bit FreeBSD image could still work on any UEFI system.)
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