Re: [kvm-ppc-devel] [PATCH 4 of 4] [qemu ppc pci] Emulate

[Jerone Young <jyoung5@us.ibm.com>]

On Fri, 2008-03-28 at 10:10 +0100, Christian Ehrhardt wrote:
> Hollis Blanchard wrote:
> 
> I always used a bamboo.dts -> dtb out of my kernel tree and used that one along time, so I never saw this issue.
> I tried to convert this bamboo.dts file in qemu into a dtb file today and saw that it does not compile (nether with nor without that new patch, the patch only pointed me to that file).
> 
> paelzer@HeliosPrime ~/Desktop/KVM/ppc_port/kvm-userspace-vio/qemu/pc-bios $ dtc -I dts -O dtb -o bamboo.dtb2 bamboo.dts
> DTC: dts->dtb  on file "bamboo.dts"
> bamboo.dts:20 syntax error
> FATAL ERROR: Couldn't read input tree
> 
> Is this correct/expected atm or do we have to fix something here before this goes upstream ?
> 

This must be a dtc versioning issue. My version of dtc compiles the code
fine without issue. But you may have a really older version. Hollis had
spotted a bit of the same problem yesterday.

I am using dtc version:
dtc -v
Version: DTC 1.1.0-g2512a7eb


Are you using an older version then this one. If so time for everyone to
upgrade.


> > diff --git a/qemu/pc-bios/bamboo.dts b/qemu/pc-bios/bamboo.dts
> > --- a/qemu/pc-bios/bamboo.dts
> > +++ b/qemu/pc-bios/bamboo.dts
> > @@ -187,6 +187,45 @@
> > 
> >  		};
> > 
> > +		PCI0: pci@ec000000 {
> > +			device_type = "pci";
> > +			#interrupt-cells = <1>;
> > +			#size-cells = <2>;
> > +			#address-cells = <3>;
> > +			compatible = "ibm,plb440ep-pci", "ibm,plb-pci";
> > +			primary;
> > +			reg = <0 eec00000 8     /* Config space access */
> > +			       0 eed00000 4     /* IACK */
> > +			       0 eed00000 4     /* Special cycle */
> > +			       0 ef400000 40>;  /* Internal registers */
> > +  
> > +			/* Outbound ranges, one memory and one IO,
> > +			 * later cannot be changed. Chip supports a second
> > +			 * IO range but we don't use it for now
> > +			 */
> > +			ranges = <02000000 0 a0000000 0 a0000000 0 20000000
> > +				  01000000 0 00000000 0 e8000000 0 00010000>;
> > +  
> > +			/* Inbound 2GB range starting at 0 */
> > +			dma-ranges = <42000000 0 0 0 0 0 80000000>;
> > +  
> > +			/* Bamboo has all 4 IRQ pins tied together per slot */
> > +			interrupt-map-mask = <f800 0 0 0>;
> > +			interrupt-map = <
> > +				/* IDSEL 1 */
> > +				0800 0 0 0 &UIC0 1c 8
> > +  
> > +				/* IDSEL 2 */
> > +				1000 0 0 0 &UIC0 1b 8
> > +  
> > +				/* IDSEL 3 */
> > +				1800 0 0 0 &UIC0 1a 8
> > +  
> > +				/* IDSEL 4 */
> > +				2000 0 0 0 &UIC0 19 8
> > +			>;
> > +		};
> > +
> >  	};
> > 
> >  	chosen {
> > 
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> 


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