From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from va3outboundpool.messaging.microsoft.com (va3ehsobe010.messaging.microsoft.com [216.32.180.30]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (Client CN "mail.global.frontbridge.com", Issuer "Microsoft Secure Server Authority" (not verified)) by ozlabs.org (Postfix) with ESMTPS id 42A5C100B14 for ; Sat, 30 Jun 2012 02:07:05 +1000 (EST) From: Zang Roy-R61911 To: Kumar Gala , Jia Hongtao-B38951 Subject: RE: [PATCH 0/3] powerpc/fsl: PCI refactoring and QEMU paravirt platform Date: Fri, 29 Jun 2012 16:06:38 +0000 Message-ID: <3E027F8168735B46AC006B1D0C7BB002079A7013@039-SN2MPN1-011.039d.mgd.msft.net> References: <20120627234851.GA9071@tyr.buserror.net> <412C8208B4A0464FA894C5F0C278CD5D01A10EAB@039-SN1MPN1-002.039d.mgd.msft.net> <4FEC86CC.90307@freescale.com> <412C8208B4A0464FA894C5F0C278CD5D01A13620@039-SN1MPN1-002.039d.mgd.msft.net> <34D617F2-54CD-46DA-A110-E44CE081B99B@kernel.crashing.org> In-Reply-To: <34D617F2-54CD-46DA-A110-E44CE081B99B@kernel.crashing.org> Content-Type: text/plain; charset="Windows-1252" MIME-Version: 1.0 Cc: Wood Scott-B07421 , "linuxppc-dev@lists.ozlabs.org" , Li Yang-R58472 , "agraf@suse.de" List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , > -----Original Message----- > From: Linuxppc-dev [mailto:linuxppc-dev-bounces+tie- > fei.zang=3Dfreescale.com@lists.ozlabs.org] On Behalf Of Kumar Gala > Sent: Friday, June 29, 2012 23:58 PM > To: Jia Hongtao-B38951 > Cc: Wood Scott-B07421; linuxppc-dev@lists.ozlabs.org; Li Yang-R58472; > agraf@suse.de > Subject: Re: [PATCH 0/3] powerpc/fsl: PCI refactoring and QEMU paravirt > platform >=20 >=20 > On Jun 28, 2012, at 9:36 PM, Jia Hongtao-B38951 wrote: >=20 > > > > > >> -----Original Message----- > >> From: Wood Scott-B07421 > >> Sent: Friday, June 29, 2012 12:31 AM > >> To: Jia Hongtao-B38951 > >> Cc: Wood Scott-B07421; galak@kernel.crashing.org; Li Yang-R58472; > >> agraf@suse.de; linuxppc-dev@lists.ozlabs.org > >> Subject: Re: [PATCH 0/3] powerpc/fsl: PCI refactoring and QEMU paravir= t > >> platform > >> > >> On 06/27/2012 11:06 PM, Jia Hongtao-B38951 wrote: > >>> > >>> > >>>> -----Original Message----- > >>>> From: Wood Scott-B07421 > >>>> Sent: Thursday, June 28, 2012 7:49 AM > >>>> To: galak@kernel.crashing.org > >>>> Cc: agraf@suse.de; linuxppc-dev@lists.ozlabs.org; Jia Hongtao-B38951 > >>>> Subject: [PATCH 0/3] powerpc/fsl: PCI refactoring and QEMU paravirt > >>>> platform > >>>> > >>>> The QEMU stuff is related to the PCI refactoring because currently > >>>> we have a hard time selecting a primary bus under QEMU, and also > >> because > >>>> the generic qemu e500 platform wants a full list of FSL PCI > >> compatibles > >>>> to check. > >>>> > >>> > >>> It seems that not all primary bus has "isa" node like 8541 and 8555. > >> > >> Do those boards (it's the boards that matter, not chips...) have legac= y > >> ISA? If they do, and it's not in the device tree, then we should fix > >> the device tree for consistency, but also retain some sort of hack to > >> remain compatible with old device trees. > >> > >> A board can refrain from using the new common infrastructure if it has= a > >> good reason to. > > > > I'm not sure that MPC8541CDS (or 8555) has legacy ISA. I just checked i= n > > kernel and dts which implies the board has primary bus and no "isa" nod= e. > > I will find out the facts later. >=20 > Pretty sure the boards have ISA, if you see the .dts has references to 'I= SA > bridge' & 'i8259' PIC. It is on the VIA south bridge. Roy