Date: Fri, 7 Mar 2014 07:38:33 -0700 From: Warner Losh <imp@bsdimp.com> To: Ian Lepore <ian@FreeBSD.org> Cc: freebsd-arm <freebsd-arm@FreeBSD.org>, freebsd-arch <freebsd-arch@FreeBSD.org> Subject: Re: option NEW_PCIB Message-ID: <58AB4C66-4267-414D-80D4-B97FF86A94A5@bsdimp.com> In-Reply-To: <1394200335.1149.370.camel@revolution.hippie.lan> References: <1394200335.1149.370.camel@revolution.hippie.lan>
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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=92s 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=92t already have numbers assigned. It should be = enabled on ARM, but the required resource isn=92t defined on arm, and some of the = other required glue doesn=92t 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 =91standard=92. Warner
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