Re: [PATCH v2 1/3] arm64: dts: imx95: Avoid 32-bit PCIe window System RAM overlap

[Frank Li <Frank.li@oss.nxp.com>]

On Fri, Aug 21, 2026 at 01:43:32PM +0800, hongxing.zhu@oss.nxp.com wrote:
> From: Richard Zhu <hongxing.zhu@nxp.com>
>
> Move the PCIe non-prefetchable memory PCI bus address from 0xe0000000
> to 0x10000000 to avoid overlap with DRAM. The 0x10000000 range is
> reserved and safe to use.
>

If you agree, I put layerscape discussion link at here when apply

link: https://lore.kernel.org/imx/753fca23-c3eb-45e3-aeac-b7b248fa723a@app.fastmail.com/ [1]

Frank

> Fixes: dbecf38e60d4e ("arm64: dts: imx95: Correct PCIe outbound address space configuration")
> Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
> ---
>  arch/arm64/boot/dts/freescale/imx95.dtsi | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx95.dtsi b/arch/arm64/boot/dts/freescale/imx95.dtsi
> index 38fc47024841f..0f03b85aaec17 100644
> --- a/arch/arm64/boot/dts/freescale/imx95.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx95.dtsi
> @@ -1948,7 +1948,7 @@ pcie0: pcie@4c300000 {
>  			      <0 0x4c340000 0 0x4000>;
>  			reg-names = "dbi", "config", "atu", "app";
>  			ranges = <0x43000000 0x9 0x00000000 0x9 0x00000000 0x0 0xe0000000>,
> -				 <0x82000000 0x0 0xe0000000 0x9 0xe0000000 0x0 0x10000000>,
> +				 <0x82000000 0x0 0x10000000 0x9 0xe0000000 0x0 0x10000000>,
>  				 <0x81000000 0x0 0x00000000 0x9 0xf0000000 0x0 0x00100000>;
>  			#address-cells = <3>;
>  			#size-cells = <2>;
> @@ -2039,7 +2039,7 @@ pcie1: pcie@4c380000 {
>  			      <0 0x4c3c0000 0 0x4000>;
>  			reg-names = "dbi", "config", "atu", "app";
>  			ranges = <0x43000000 0xa 0x00000000 0xa 0x00000000 0x0 0xe0000000>,
> -				 <0x82000000 0x0 0xe0000000 0xa 0xe0000000 0x0 0x10000000>,
> +				 <0x82000000 0x0 0x10000000 0xa 0xe0000000 0x0 0x10000000>,
>  				 <0x81000000 0x0 0x00000000 0xa 0xf0000000 0x0 0x00100000>;
>  			#address-cells = <3>;
>  			#size-cells = <2>;
>
> base-commit: eba4724641990bd9975ca10ababe726b6143f0b6
> --
> 2.34.1
>
>