[PATCH v1 2/2] arm64: dts: imx943: Correct PCIe outbound address space configuration

[hongxing.zhu at oss.nxp.com]

From: Richard Zhu <hongxing.zhu at nxp.com>

Fix the PCIe outbound memory ranges for both pcie1 controllers on i.MX943.

The memory window size was incorrectly set to 256MB during initial
bring-up, but the hardware supports up to 4GB of outbound address space
per controller.

Additionally, the ECAM region cannot be mapped as I/O space. Use a
memory-mapped region for I/O space instead, and relocate the 1MB I/O
region to immediately follow the memory region at offset 0xf0000000
within each window.

Update the outbound address space layout per controller as follows:

  - 3.5GB  64-bit prefetchable memory
  - 256MB  32-bit non-prefetchable memory
  - 1MB    I/O

Fixes: fa6067fd8ea7 ("arm64: dts: imx943: Add pcie1 and pcie1-ep supports")
Signed-off-by: Richard Zhu <hongxing.zhu at nxp.com>
---
 arch/arm64/boot/dts/freescale/imx943.dtsi | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
---
Since the correction of i.MX95 PCIe had been landed. Add same changes
for i.MX943 PCIe1.
[1] https://lkml.org/lkml/2026/5/20/427

diff --git a/arch/arm64/boot/dts/freescale/imx943.dtsi b/arch/arm64/boot/dts/freescale/imx943.dtsi
index ed030d4bc7bd9..cf5b3dbb47ff7 100644
--- a/arch/arm64/boot/dts/freescale/imx943.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx943.dtsi
@@ -218,8 +218,9 @@ pcie1: pcie at 4c380000 {
 			      <0 0x4c3e0000 0 0x10000>,
 			      <0 0x4c3c0000 0 0x4000>;
 			reg-names = "dbi", "config", "atu", "app";
-			ranges = <0x81000000 0 0x00000000 0x8 0x8ff00000 0 0x00100000>,
-				 <0x82000000 0 0x10000000 0xa 0x10000000 0 0x80000000>;
+			ranges = <0x43000000 0xa 0x00000000 0xa 0x00000000 0x0 0xe0000000>,
+				 <0x82000000 0x0 0xe0000000 0xa 0xe0000000 0x0 0x10000000>,
+				 <0x81000000 0x0 0x00000000 0xa 0xf0000000 0x0 0x00100000>;
 			#address-cells = <3>;
 			#size-cells = <2>;
 			device_type = "pci";
-- 
2.34.1