Date: Mon, 29 Apr 2019 07:21:00 -0700 (PDT) From: "Rodney W. Grimes" <freebsd@gndrsh.dnsmgr.net> To: Ed Maste <emaste@freebsd.org> Cc: "Rodney W. Grimes" <rgrimes@freebsd.org>, src-committers <src-committers@freebsd.org>, svn-src-all <svn-src-all@freebsd.org>, svn-src-head <svn-src-head@freebsd.org>, Greg V <greg@unrelenting.technology> Subject: Re: svn commit: r346598 - head/sys/modules Message-ID: <201904291421.x3TEL00P072638@gndrsh.dnsmgr.net> In-Reply-To: <CAPyFy2BGLhwrRpdB1dNJkaU352Ba9qBZv3=u=A8ttP0f1Nwfqw@mail.gmail.com>
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> On Tue, 23 Apr 2019 at 13:26, Rodney W. Grimes > <freebsd@gndrsh.dnsmgr.net> wrote: > > > > Very cool, now how do I get a PCIe slot into a RPI3!!! lol :-) > > I know you're joking but the comment does highlight an issue in the > AArch64 world - there's a lack of good mid-range developer platforms. I may of been joking with respect to the RPI3, but at the same time I do know that the RockPro64 exists and does have that PCIe slot I want, I also know that Michael Dexter has one he would loan me should I wish to investigate our state of support. > FreeBSD runs on Cavium/Marvell ThunderX and ThunderX2 and now on > Ampere eMAG with the WIP discussed in PR 237055. These platforms have > room for lots of memory, very high core/thread counts (32 to 256), and > a good complement of PCIe interfaces. The specs go far beyond those of > a typical desktop software development platform, and the price does > too. We also run on small embedded boards like the RPi, Pine64, etc. > just fine, but there's not much in the middle. What we really need is > something like a Mini-ITX form factor 4 to 8 core system that can take > 8 to 32GB of RAM, has a PCIe slot or two, and is readily available > selling for well below $1000 US. > > > I am hopeing some of that PCIe WIP might include some of the > > bits needed or do we already have PCIe slot on RockPro64 code that works? > > I don't think this will do anything for RockPro64, it's just a > workaround for limitations in our current arm64 PCI code for some > functionality unused by ThunderX* but required for eMAG. Ok -- Rod Grimes rgrimes@freebsd.org
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