* [PATCH v1] arm64: dts: imx95: Increase PCIe outbound address space to 2GB
@ 2026-05-08 2:28 Richard Zhu
2026-05-08 16:03 ` Frank Li
0 siblings, 1 reply; 2+ messages in thread
From: Richard Zhu @ 2026-05-08 2:28 UTC (permalink / raw)
To: robh, krzk+dt, conor+dt, frank.li, s.hauer, festevam
Cc: kernel, devicetree, imx, linux-arm-kernel, linux-kernel,
Richard Zhu
Expand the PCIe outbound memory region from the current size to 2GB
to support devices requiring larger address spaces.
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 adcc0e1d3696b..201c0eae13948 100644
--- a/arch/arm64/boot/dts/freescale/imx95.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx95.dtsi
@@ -1940,7 +1940,7 @@ pcie0: pcie@4c300000 {
<0 0x4c340000 0 0x4000>;
reg-names = "dbi", "config", "atu", "app";
ranges = <0x81000000 0x0 0x00000000 0x0 0x6ff00000 0 0x00100000>,
- <0x82000000 0x0 0x10000000 0x9 0x10000000 0 0x10000000>;
+ <0x82000000 0x0 0x10000000 0x9 0x10000000 0 0x80000000>;
#address-cells = <3>;
#size-cells = <2>;
device_type = "pci";
@@ -2015,7 +2015,7 @@ pcie1: pcie@4c380000 {
<0 0x4c3c0000 0 0x4000>;
reg-names = "dbi", "config", "atu", "app";
ranges = <0x81000000 0 0x00000000 0x8 0x8ff00000 0 0x00100000>,
- <0x82000000 0 0x10000000 0xa 0x10000000 0 0x10000000>;
+ <0x82000000 0 0x10000000 0xa 0x10000000 0 0x80000000>;
#address-cells = <3>;
#size-cells = <2>;
device_type = "pci";
base-commit: d570a0d019a3d84832bfc6867647d3581b0052f3
--
2.37.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v1] arm64: dts: imx95: Increase PCIe outbound address space to 2GB
2026-05-08 2:28 [PATCH v1] arm64: dts: imx95: Increase PCIe outbound address space to 2GB Richard Zhu
@ 2026-05-08 16:03 ` Frank Li
0 siblings, 0 replies; 2+ messages in thread
From: Frank Li @ 2026-05-08 16:03 UTC (permalink / raw)
To: Richard Zhu
Cc: robh, krzk+dt, conor+dt, s.hauer, festevam, kernel, devicetree,
imx, linux-arm-kernel, linux-kernel
On Fri, May 08, 2026 at 10:28:57AM +0800, Richard Zhu wrote:
> Expand the PCIe outbound memory region from the current size to 2GB
> to support devices requiring larger address spaces.
Fix the PCIe outbound memory region size to 2GB, which is the actual
hardware-supported memory space. The size was incorrectly set to 256MB
during bring-up.
Fix tags heres
Frank
>
> 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 adcc0e1d3696b..201c0eae13948 100644
> --- a/arch/arm64/boot/dts/freescale/imx95.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx95.dtsi
> @@ -1940,7 +1940,7 @@ pcie0: pcie@4c300000 {
> <0 0x4c340000 0 0x4000>;
> reg-names = "dbi", "config", "atu", "app";
> ranges = <0x81000000 0x0 0x00000000 0x0 0x6ff00000 0 0x00100000>,
> - <0x82000000 0x0 0x10000000 0x9 0x10000000 0 0x10000000>;
> + <0x82000000 0x0 0x10000000 0x9 0x10000000 0 0x80000000>;
> #address-cells = <3>;
> #size-cells = <2>;
> device_type = "pci";
> @@ -2015,7 +2015,7 @@ pcie1: pcie@4c380000 {
> <0 0x4c3c0000 0 0x4000>;
> reg-names = "dbi", "config", "atu", "app";
> ranges = <0x81000000 0 0x00000000 0x8 0x8ff00000 0 0x00100000>,
> - <0x82000000 0 0x10000000 0xa 0x10000000 0 0x10000000>;
> + <0x82000000 0 0x10000000 0xa 0x10000000 0 0x80000000>;
> #address-cells = <3>;
> #size-cells = <2>;
> device_type = "pci";
>
> base-commit: d570a0d019a3d84832bfc6867647d3581b0052f3
> --
> 2.37.1
>
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