linux-kernel - Re: [PATCH] arm64: dts: fsl-ls1028a: Correct ECAM PCIE window ranges

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Message-ID: <20210511030658.GG3425@dragon>
Date:   Tue, 11 May 2021 11:06:59 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Kornel Duleba <mindal@...ihalf.com>,
        Claudiu Manoil <claudiu.manoil@....com>
Cc:     linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, leoyang.li@....com,
        robh+dt@...nel.org, mw@...ihalf.com, tn@...ihalf.com,
        upstream@...ihalf.com
Subject: Re: [PATCH] arm64: dts: fsl-ls1028a: Correct ECAM PCIE window ranges

+ Claudiu

On Wed, Apr 07, 2021 at 02:34:38PM +0200, Kornel Duleba wrote:
> Currently all PCIE windows point to bus address 0x0, which does not match
> the values obtained from hardware during EA.
> Replace those values with CPU addresses, since in reality we
> have a 1:1 mapping between the two.
> 
> Signed-off-by: Kornel Duleba <mindal@...ihalf.com>

Claudiu,

Do you have any comment on this?

Shawn

> ---
>  arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi | 14 +++++++-------
>  1 file changed, 7 insertions(+), 7 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
> index 262fbad8f0ec..85c62a6fabb6 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
> @@ -994,19 +994,19 @@ pcie@...000000 { /* Integrated Endpoint Root Complex */
>  			msi-map = <0 &its 0x17 0xe>;
>  			iommu-map = <0 &smmu 0x17 0xe>;
>  				  /* PF0-6 BAR0 - non-prefetchable memory */
> -			ranges = <0x82000000 0x0 0x00000000  0x1 0xf8000000  0x0 0x160000
> +			ranges = <0x82000000 0x1 0xf8000000  0x1 0xf8000000  0x0 0x160000
>  				  /* PF0-6 BAR2 - prefetchable memory */
> -				  0xc2000000 0x0 0x00000000  0x1 0xf8160000  0x0 0x070000
> +				  0xc2000000 0x1 0xf8160000  0x1 0xf8160000  0x0 0x070000
>  				  /* PF0: VF0-1 BAR0 - non-prefetchable memory */
> -				  0x82000000 0x0 0x00000000  0x1 0xf81d0000  0x0 0x020000
> +				  0x82000000 0x1 0xf81d0000  0x1 0xf81d0000  0x0 0x020000
>  				  /* PF0: VF0-1 BAR2 - prefetchable memory */
> -				  0xc2000000 0x0 0x00000000  0x1 0xf81f0000  0x0 0x020000
> +				  0xc2000000 0x1 0xf81f0000  0x1 0xf81f0000  0x0 0x020000
>  				  /* PF1: VF0-1 BAR0 - non-prefetchable memory */
> -				  0x82000000 0x0 0x00000000  0x1 0xf8210000  0x0 0x020000
> +				  0x82000000 0x1 0xf8210000  0x1 0xf8210000  0x0 0x020000
>  				  /* PF1: VF0-1 BAR2 - prefetchable memory */
> -				  0xc2000000 0x0 0x00000000  0x1 0xf8230000  0x0 0x020000
> +				  0xc2000000 0x1 0xf8230000  0x1 0xf8230000  0x0 0x020000
>  				  /* BAR4 (PF5) - non-prefetchable memory */
> -				  0x82000000 0x0 0x00000000  0x1 0xfc000000  0x0 0x400000>;
> +				  0x82000000 0x1 0xfc000000  0x1 0xfc000000  0x0 0x400000>;
>  
>  			enetc_port0: ethernet@0,0 {
>  				compatible = "fsl,enetc";
> -- 
> 2.31.1
>