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

[Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>]

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 ?

> 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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-- 

Grüsse / regards, 
Christian Ehrhardt
IBM Linux Technology Center, Open Virtualization

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