Date: Mon, 10 Mar 2014 10:52:49 -0700 From: John-Mark Gurney <jmg@funkthat.com> To: John Baldwin <jhb@freebsd.org> Cc: freebsd-arm <freebsd-arm@freebsd.org>, Ian Lepore <ian@freebsd.org>, freebsd-arch@freebsd.org Subject: Re: option NEW_PCIB Message-ID: <20140310175249.GH32089@funkthat.com> In-Reply-To: <201403100945.20298.jhb@freebsd.org> References: <1394200335.1149.370.camel@revolution.hippie.lan> <58AB4C66-4267-414D-80D4-B97FF86A94A5@bsdimp.com> <201403100945.20298.jhb@freebsd.org>
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John Baldwin wrote this message on Mon, Mar 10, 2014 at 09:45 -0400: > On Friday, March 07, 2014 9:38:33 am Warner Losh wrote: > > > > On Mar 7, 2014, at 6:52 AM, Ian Lepore <ian@FreeBSD.org> wrote: > > > > > Every architecture has "option NEW_PCIB" in its conf/DEFAULTS except arm > > > and mips. Is that on purpose? What are the implications of adding it? > > > Or maybe more importantly, what are the implications of it not being > > > there? > > > > This is John Baldwin?s option for his reworked PCI bridge code. He did that as > > a fallback in case he really messed up something. It introduces renumbering > > of busses that don?t already have numbers assigned. It should be enabled on > > ARM, but the required resource isn?t defined on arm, and some of the other > > required glue doesn?t seem to be implemented for arm yet, which is why things > > are the way they are at the moment. I think John intends for the option to go > > away, and everything it covers will be ?standard?. > > Yes. I just added a page on the wiki about NEW_PCIB explaining the changes > each platform needs for it in a bit more detail on Friday: > > https://wiki.freebsd.org/NEW_PCIB > > I have posted patches in the past to arm@ to handle step 2 in the NEW_PCIB > base requirements for arm@ but haven't been able to get folks to test them. > I just recently made a new pass through sys/arm in a p4 tree to refresh this. > I haven't even compiled these yet, but you can find the patch here: > > http://people.freebsd.org/~jhb/patches/arm_activate2.patch Do you need a fully work system, or is booting fine? If you need a fully working system, then I need some help figure out my panic.. I sent email to alc and kib a few days ago about it, but I haven't heard anything back.. it's a problem w/ vm_page... If booting is fine, I can test on my AVILA board I have now.. -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not."
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