Date: Thu, 15 Jan 2015 10:25:57 -0500 From: John Baldwin <jhb@FreeBSD.org> To: Warner Losh <imp@bsdimp.com> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org, Warner Losh <imp@FreeBSD.org> Subject: Re: svn commit: r277163 - head/sys/dev/cardbus Message-ID: <54B7DC05.6080801@FreeBSD.org> In-Reply-To: <F7057251-4644-435E-AFFF-4E0493F18899@bsdimp.com> References: <201501140541.t0E5fV00070032@svn.freebsd.org> <54B67BC9.70904@FreeBSD.org> <F7057251-4644-435E-AFFF-4E0493F18899@bsdimp.com>
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On 1/14/15 7:07 PM, Warner Losh wrote: > >> On Jan 14, 2015, at 7:23 AM, John Baldwin <jhb@FreeBSD.org> wrote: >> >> On 1/14/15 12:41 AM, Warner Losh wrote: >>> Author: imp >>> Date: Wed Jan 14 05:41:31 2015 >>> New Revision: 277163 >>> URL: https://svnweb.freebsd.org/changeset/base/277163 >>> >>> Log: >>> Add a rather obnoxious warning if you don't have NEW_PCIB defined >>> since it's a total crap shoot if things will work. >> >> Should we just make it a #error instead? (Some day I hope to have >> NEW_PCIB enabled by default and remove the old code. Will take a while >> to get there for the generic PCI code, but cardbus is probably only used >> on x86 so that would be fine.) > > CardBus is also used on PowerPC macs.. Ok. It shouldn't be hard to add the PCI_RES_BUS stuff to PowerPC. I believe I put the details of that in the NEW_PCIB page on the wiki. You just need to have the equivalent of the x86 nexus call some MI routines to allocate bus numbers for a given domain when bus_alloc_resource() requests bubble up from below. -- John Baldwin
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