On Jun 29, 2012, at 11:01 AM, Scott Wood wrote: > On 06/29/2012 10:57 AM, Kumar Gala wrote: >> >> On Jun 28, 2012, at 9:36 PM, Jia Hongtao-B38951 wrote: >> >>> >>> >>>> -----Original Message----- >>>> From: Wood Scott-B07421 >>>> Sent: Friday, June 29, 2012 12:31 AM >>>> To: Jia Hongtao-B38951 >>>> Cc: Wood Scott-B07421; ga...@kernel.crashing.org; Li Yang-R58472; >>>> ag...@suse.de; linuxppc-dev@lists.ozlabs.org >>>> Subject: Re: [PATCH 0/3] powerpc/fsl: PCI refactoring and QEMU paravirt >>>> 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: ga...@kernel.crashing.org >>>>>> Cc: ag...@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 legacy >>>> 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 in >>> kernel and dts which implies the board has primary bus and no "isa" node. >>> I will find out the facts later. >> >> Pretty sure the boards have ISA, if you see the .dts has references to 'ISA >> bridge' & 'i8259' PIC. > > OK. How about looking for an i8259 node as well? > > -Scott
Works for me, saves us having to waste time on figuring out how to update .dts for the boards. - k _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev