Re: [PATCH] RM64: dts: ls208xa: Add iommu-map property for pci

[Marc Zyngier]

On 31/08/17 10:23, Bharat Bhushan wrote:
> This patch adds iommu-map property for PCIe, which enables
> SMMU for these devices on LS208xA devices.
> 
> Signed-off-by: Bharat Bhushan <bharat.bhus...@nxp.com>
> ---
>  arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi 
> b/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi
> index 94cdd30..67cf605 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi
> @@ -606,6 +606,7 @@
>                       num-lanes = <4>;
>                       bus-range = <0x0 0xff>;
>                       msi-parent = <&its>;
> +                     iommu-map = <0 &smmu 0 1>;      /* This is fixed-up by 
> u-boot */

What does this do when your version of u-boot doesn't fill this in for you?

Thanks,

        M.
-- 
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