arm64: dts: renesas: Add IOMMU related properties into PCIe host nodes

Add iommu-map and iommu-map-mask properties to the PCIe host nodes.
Note that iommu-map-mask should be zero because the IPMMU assigns
one micro TLB ID only, to the PCIe host.

Also change the dma-ranges arguments for IOMMU.  Note that dma-ranges
can be used if the IOMMU is disabled.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230510090358.261266-1-yoshihiro.shimoda.uh@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm64/boot/dts/renesas/r8a774a1.dtsi b/arch/arm64/boot/dts/renesas/r8a774a1.dtsi
index c21b786..9065dc2 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a774a1.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a774a1.dtsi
@@ -2359,8 +2359,8 @@
                                 <0x02000000 0 0xfe200000 0 0xfe200000 0 0x00200000>,
                                 <0x02000000 0 0x30000000 0 0x30000000 0 0x08000000>,
                                 <0x42000000 0 0x38000000 0 0x38000000 0 0x08000000>;
-                       /* Map all possible DDR as inbound ranges */
-                       dma-ranges = <0x42000000 0 0x40000000 0 0x40000000 0 0x80000000>;
+                       /* Map all possible DDR/IOMMU as inbound ranges */
+                       dma-ranges = <0x42000000 0 0x00000000 0 0x00000000 1 0x00000000>;
                        interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>,
                                <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>,
                                <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>;
@@ -2371,6 +2371,8 @@
                        clock-names = "pcie", "pcie_bus";
                        power-domains = <&sysc R8A774A1_PD_ALWAYS_ON>;
                        resets = <&cpg 319>;
+                       iommu-map = <0 &ipmmu_hc 0 1>;
+                       iommu-map-mask = <0>;
                        status = "disabled";
                };
 
@@ -2386,8 +2388,8 @@
                                 <0x02000000 0 0xeea00000 0 0xeea00000 0 0x00200000>,
                                 <0x02000000 0 0xc0000000 0 0xc0000000 0 0x08000000>,
                                 <0x42000000 0 0xc8000000 0 0xc8000000 0 0x08000000>;
-                       /* Map all possible DDR as inbound ranges */
-                       dma-ranges = <0x42000000 0 0x40000000 0 0x40000000 0 0x80000000>;
+                       /* Map all possible DDR/IOMMU as inbound ranges */
+                       dma-ranges = <0x42000000 0 0x00000000 0 0x00000000 1 0x00000000>;
                        interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>,
                                <GIC_SPI 149 IRQ_TYPE_LEVEL_HIGH>,
                                <GIC_SPI 150 IRQ_TYPE_LEVEL_HIGH>;
@@ -2398,6 +2400,8 @@
                        clock-names = "pcie", "pcie_bus";
                        power-domains = <&sysc R8A774A1_PD_ALWAYS_ON>;
                        resets = <&cpg 318>;
+                       iommu-map = <0 &ipmmu_hc 1 1>;
+                       iommu-map-mask = <0>;
                        status = "disabled";
                };
 

diff --git a/arch/arm64/boot/dts/renesas/r8a774b1.dtsi b/arch/arm64/boot/dts/renesas/r8a774b1.dtsi
index 82216ce..75776de 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a774b1.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a774b1.dtsi
@@ -2238,8 +2238,8 @@
                                 <0x02000000 0 0xfe200000 0 0xfe200000 0 0x00200000>,
                                 <0x02000000 0 0x30000000 0 0x30000000 0 0x08000000>,
                                 <0x42000000 0 0x38000000 0 0x38000000 0 0x08000000>;
-                       /* Map all possible DDR as inbound ranges */
-                       dma-ranges = <0x42000000 0 0x40000000 0 0x40000000 0 0x80000000>;
+                       /* Map all possible DDR/IOMMU as inbound ranges */
+                       dma-ranges = <0x42000000 0 0x00000000 0 0x00000000 1 0x00000000>;
                        interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>,
                                     <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>,
                                     <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>;
@@ -2250,6 +2250,8 @@
                        clock-names = "pcie", "pcie_bus";
                        power-domains = <&sysc R8A774B1_PD_ALWAYS_ON>;
                        resets = <&cpg 319>;
+                       iommu-map = <0 &ipmmu_hc 0 1>;
+                       iommu-map-mask = <0>;
                        status = "disabled";
                };
 
@@ -2265,8 +2267,8 @@
                                 <0x02000000 0 0xeea00000 0 0xeea00000 0 0x00200000>,
                                 <0x02000000 0 0xc0000000 0 0xc0000000 0 0x08000000>,
                                 <0x42000000 0 0xc8000000 0 0xc8000000 0 0x08000000>;
-                       /* Map all possible DDR as inbound ranges */
-                       dma-ranges = <0x42000000 0 0x40000000 0 0x40000000 0 0x80000000>;
+                       /* Map all possible DDR/IOMMU as inbound ranges */
+                       dma-ranges = <0x42000000 0 0x00000000 0 0x00000000 1 0x00000000>;
                        interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>,
                                     <GIC_SPI 149 IRQ_TYPE_LEVEL_HIGH>,
                                     <GIC_SPI 150 IRQ_TYPE_LEVEL_HIGH>;
@@ -2277,6 +2279,8 @@
                        clock-names = "pcie", "pcie_bus";
                        power-domains = <&sysc R8A774B1_PD_ALWAYS_ON>;
                        resets = <&cpg 318>;
+                       iommu-map = <0 &ipmmu_hc 1 1>;
+                       iommu-map-mask = <0>;
                        status = "disabled";
                };
 

diff --git a/arch/arm64/boot/dts/renesas/r8a774c0.dtsi b/arch/arm64/boot/dts/renesas/r8a774c0.dtsi
index 10abfde..ad2e87b 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a774c0.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a774c0.dtsi
@@ -1704,8 +1704,8 @@
                                 <0x02000000 0 0xfe200000 0 0xfe200000 0 0x00200000>,
                                 <0x02000000 0 0x30000000 0 0x30000000 0 0x08000000>,
                                 <0x42000000 0 0x38000000 0 0x38000000 0 0x08000000>;
-                       /* Map all possible DDR as inbound ranges */
-                       dma-ranges = <0x42000000 0 0x40000000 0 0x40000000 0 0x40000000>;
+                       /* Map all possible DDR/IOMMU as inbound ranges */
+                       dma-ranges = <0x42000000 0 0x00000000 0 0x00000000 1 0x00000000>;
                        interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>,
                                     <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>,
                                     <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>;
@@ -1716,6 +1716,8 @@
                        clock-names = "pcie", "pcie_bus";
                        power-domains = <&sysc R8A774C0_PD_ALWAYS_ON>;
                        resets = <&cpg 319>;
+                       iommu-map = <0 &ipmmu_hc 0 1>;
+                       iommu-map-mask = <0>;
                        status = "disabled";
                };
 

diff --git a/arch/arm64/boot/dts/renesas/r8a774e1.dtsi b/arch/arm64/boot/dts/renesas/r8a774e1.dtsi
index 2828e05..2acf406 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a774e1.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a774e1.dtsi
@@ -2471,8 +2471,8 @@
                                 <0x02000000 0 0xfe200000 0 0xfe200000 0 0x00200000>,
                                 <0x02000000 0 0x30000000 0 0x30000000 0 0x08000000>,
                                 <0x42000000 0 0x38000000 0 0x38000000 0 0x08000000>;
-                       /* Map all possible DDR as inbound ranges */
-                       dma-ranges = <0x42000000 0 0x40000000 0 0x40000000 0 0x80000000>;
+                       /* Map all possible DDR/IOMMU as inbound ranges */
+                       dma-ranges = <0x42000000 0 0x00000000 0 0x00000000 1 0x00000000>;
                        interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>,
                                     <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>,
                                     <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>;
@@ -2483,6 +2483,8 @@
                        clock-names = "pcie", "pcie_bus";
                        power-domains = <&sysc R8A774E1_PD_ALWAYS_ON>;
                        resets = <&cpg 319>;
+                       iommu-map = <0 &ipmmu_hc 0 1>;
+                       iommu-map-mask = <0>;
                        status = "disabled";
                };
 
@@ -2498,8 +2500,8 @@
                                 <0x02000000 0 0xeea00000 0 0xeea00000 0 0x00200000>,
                                 <0x02000000 0 0xc0000000 0 0xc0000000 0 0x08000000>,
                                 <0x42000000 0 0xc8000000 0 0xc8000000 0 0x08000000>;
-                       /* Map all possible DDR as inbound ranges */
-                       dma-ranges = <0x42000000 0 0x40000000 0 0x40000000 0 0x80000000>;
+                       /* Map all possible DDR/IOMMU as inbound ranges */
+                       dma-ranges = <0x42000000 0 0x00000000 0 0x00000000 1 0x00000000>;
                        interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>,
                                     <GIC_SPI 149 IRQ_TYPE_LEVEL_HIGH>,
                                     <GIC_SPI 150 IRQ_TYPE_LEVEL_HIGH>;
@@ -2510,6 +2512,8 @@
                        clock-names = "pcie", "pcie_bus";
                        power-domains = <&sysc R8A774E1_PD_ALWAYS_ON>;
                        resets = <&cpg 318>;
+                       iommu-map = <0 &ipmmu_hc 1 1>;
+                       iommu-map-mask = <0>;
                        status = "disabled";
                };
 

diff --git a/arch/arm64/boot/dts/renesas/r8a77951.dtsi b/arch/arm64/boot/dts/renesas/r8a77951.dtsi
index 10b91e9..6d15229 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a77951.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77951.dtsi
@@ -2778,8 +2778,8 @@
                                 <0x02000000 0 0xfe200000 0 0xfe200000 0 0x00200000>,
                                 <0x02000000 0 0x30000000 0 0x30000000 0 0x08000000>,
                                 <0x42000000 0 0x38000000 0 0x38000000 0 0x08000000>;
-                       /* Map all possible DDR as inbound ranges */
-                       dma-ranges = <0x42000000 0 0x40000000 0 0x40000000 0 0x40000000>;
+                       /* Map all possible DDR/IOMMU as inbound ranges */
+                       dma-ranges = <0x42000000 0 0x00000000 0 0x00000000 1 0x00000000>;
                        interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>,
                                <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>,
                                <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>;
@@ -2790,6 +2790,8 @@
                        clock-names = "pcie", "pcie_bus";
                        power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
                        resets = <&cpg 319>;
+                       iommu-map = <0 &ipmmu_hc 0 1>;
+                       iommu-map-mask = <0>;
                        status = "disabled";
                };
 
@@ -2805,8 +2807,8 @@
                                 <0x02000000 0 0xeea00000 0 0xeea00000 0 0x00200000>,
                                 <0x02000000 0 0xc0000000 0 0xc0000000 0 0x08000000>,
                                 <0x42000000 0 0xc8000000 0 0xc8000000 0 0x08000000>;
-                       /* Map all possible DDR as inbound ranges */
-                       dma-ranges = <0x42000000 0 0x40000000 0 0x40000000 0 0x40000000>;
+                       /* Map all possible DDR/IOMMU as inbound ranges */
+                       dma-ranges = <0x42000000 0 0x00000000 0 0x00000000 1 0x00000000>;
                        interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>,
                                <GIC_SPI 149 IRQ_TYPE_LEVEL_HIGH>,
                                <GIC_SPI 150 IRQ_TYPE_LEVEL_HIGH>;
@@ -2817,6 +2819,8 @@
                        clock-names = "pcie", "pcie_bus";
                        power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
                        resets = <&cpg 318>;
+                       iommu-map = <0 &ipmmu_hc 1 1>;
+                       iommu-map-mask = <0>;
                        status = "disabled";
                };
 

diff --git a/arch/arm64/boot/dts/renesas/r8a77960.dtsi b/arch/arm64/boot/dts/renesas/r8a77960.dtsi
index 3ea8572..17062ec 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a77960.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77960.dtsi
@@ -2565,8 +2565,8 @@
                                 <0x02000000 0 0xfe200000 0 0xfe200000 0 0x00200000>,
                                 <0x02000000 0 0x30000000 0 0x30000000 0 0x08000000>,
                                 <0x42000000 0 0x38000000 0 0x38000000 0 0x08000000>;
-                       /* Map all possible DDR as inbound ranges */
-                       dma-ranges = <0x42000000 0 0x40000000 0 0x40000000 0 0x80000000>;
+                       /* Map all possible DDR/IOMMU as inbound ranges */
+                       dma-ranges = <0x42000000 0 0x00000000 0 0x00000000 1 0x00000000>;
                        interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>,
                                <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>,
                                <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>;
@@ -2577,6 +2577,8 @@
                        clock-names = "pcie", "pcie_bus";
                        power-domains = <&sysc R8A7796_PD_ALWAYS_ON>;
                        resets = <&cpg 319>;
+                       iommu-map = <0 &ipmmu_hc 0 1>;
+                       iommu-map-mask = <0>;
                        status = "disabled";
                };
 
@@ -2592,8 +2594,8 @@
                                 <0x02000000 0 0xeea00000 0 0xeea00000 0 0x00200000>,
                                 <0x02000000 0 0xc0000000 0 0xc0000000 0 0x08000000>,
                                 <0x42000000 0 0xc8000000 0 0xc8000000 0 0x08000000>;
-                       /* Map all possible DDR as inbound ranges */
-                       dma-ranges = <0x42000000 0 0x40000000 0 0x40000000 0 0x80000000>;
+                       /* Map all possible DDR/IOMMU as inbound ranges */
+                       dma-ranges = <0x42000000 0 0x00000000 0 0x00000000 1 0x00000000>;
                        interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>,
                                <GIC_SPI 149 IRQ_TYPE_LEVEL_HIGH>,
                                <GIC_SPI 150 IRQ_TYPE_LEVEL_HIGH>;
@@ -2604,6 +2606,8 @@
                        clock-names = "pcie", "pcie_bus";
                        power-domains = <&sysc R8A7796_PD_ALWAYS_ON>;
                        resets = <&cpg 318>;
+                       iommu-map = <0 &ipmmu_hc 1 1>;
+                       iommu-map-mask = <0>;
                        status = "disabled";
                };
 

diff --git a/arch/arm64/boot/dts/renesas/r8a77961.dtsi b/arch/arm64/boot/dts/renesas/r8a77961.dtsi
index d52cb0b..d3f47da 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a77961.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77961.dtsi
@@ -2445,8 +2445,8 @@
                                 <0x02000000 0 0xfe200000 0 0xfe200000 0 0x00200000>,
                                 <0x02000000 0 0x30000000 0 0x30000000 0 0x08000000>,
                                 <0x42000000 0 0x38000000 0 0x38000000 0 0x08000000>;
-                       /* Map all possible DDR as inbound ranges */
-                       dma-ranges = <0x42000000 0 0x40000000 0 0x40000000 0 0x80000000>;
+                       /* Map all possible DDR/IOMMU as inbound ranges */
+                       dma-ranges = <0x42000000 0 0x00000000 0 0x00000000 1 0x00000000>;
                        interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>,
                                <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>,
                                <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>;
@@ -2457,6 +2457,8 @@
                        clock-names = "pcie", "pcie_bus";
                        power-domains = <&sysc R8A77961_PD_ALWAYS_ON>;
                        resets = <&cpg 319>;
+                       iommu-map = <0 &ipmmu_hc 0 1>;
+                       iommu-map-mask = <0>;
                        status = "disabled";
                };
 
@@ -2472,8 +2474,8 @@
                                 <0x02000000 0 0xeea00000 0 0xeea00000 0 0x00200000>,
                                 <0x02000000 0 0xc0000000 0 0xc0000000 0 0x08000000>,
                                 <0x42000000 0 0xc8000000 0 0xc8000000 0 0x08000000>;
-                       /* Map all possible DDR as inbound ranges */
-                       dma-ranges = <0x42000000 0 0x40000000 0 0x40000000 0 0x80000000>;
+                       /* Map all possible DDR/IOMMU as inbound ranges */
+                       dma-ranges = <0x42000000 0 0x00000000 0 0x00000000 1 0x00000000>;
                        interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>,
                                <GIC_SPI 149 IRQ_TYPE_LEVEL_HIGH>,
                                <GIC_SPI 150 IRQ_TYPE_LEVEL_HIGH>;
@@ -2484,6 +2486,8 @@
                        clock-names = "pcie", "pcie_bus";
                        power-domains = <&sysc R8A77961_PD_ALWAYS_ON>;
                        resets = <&cpg 318>;
+                       iommu-map = <0 &ipmmu_hc 1 1>;
+                       iommu-map-mask = <0>;
                        status = "disabled";
                };
 

diff --git a/arch/arm64/boot/dts/renesas/r8a77965.dtsi b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
index 9584115..c758200 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
@@ -2423,8 +2423,8 @@
                                 <0x02000000 0 0xfe200000 0 0xfe200000 0 0x00200000>,
                                 <0x02000000 0 0x30000000 0 0x30000000 0 0x08000000>,
                                 <0x42000000 0 0x38000000 0 0x38000000 0 0x08000000>;
-                       /* Map all possible DDR as inbound ranges */
-                       dma-ranges = <0x42000000 0 0x40000000 0 0x40000000 0 0x80000000>;
+                       /* Map all possible DDR/IOMMU as inbound ranges */
+                       dma-ranges = <0x42000000 0 0x00000000 0 0x00000000 1 0x00000000>;
                        interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>,
                                <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>,
                                <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>;
@@ -2435,6 +2435,8 @@
                        clock-names = "pcie", "pcie_bus";
                        power-domains = <&sysc R8A77965_PD_ALWAYS_ON>;
                        resets = <&cpg 319>;
+                       iommu-map = <0 &ipmmu_hc 0 1>;
+                       iommu-map-mask = <0>;
                        status = "disabled";
                };
 
@@ -2450,8 +2452,8 @@
                                 <0x02000000 0 0xeea00000 0 0xeea00000 0 0x00200000>,
                                 <0x02000000 0 0xc0000000 0 0xc0000000 0 0x08000000>,
                                 <0x42000000 0 0xc8000000 0 0xc8000000 0 0x08000000>;
-                       /* Map all possible DDR as inbound ranges */
-                       dma-ranges = <0x42000000 0 0x40000000 0 0x40000000 0 0x80000000>;
+                       /* Map all possible DDR/IOMMU as inbound ranges */
+                       dma-ranges = <0x42000000 0 0x00000000 0 0x00000000 1 0x00000000>;
                        interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>,
                                <GIC_SPI 149 IRQ_TYPE_LEVEL_HIGH>,
                                <GIC_SPI 150 IRQ_TYPE_LEVEL_HIGH>;
@@ -2462,6 +2464,8 @@
                        clock-names = "pcie", "pcie_bus";
                        power-domains = <&sysc R8A77965_PD_ALWAYS_ON>;
                        resets = <&cpg 318>;
+                       iommu-map = <0 &ipmmu_hc 1 1>;
+                       iommu-map-mask = <0>;
                        status = "disabled";
                };
 

diff --git a/arch/arm64/boot/dts/renesas/r8a77980.dtsi b/arch/arm64/boot/dts/renesas/r8a77980.dtsi
index c4ac28a..5ed2daa 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a77980.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77980.dtsi
@@ -1386,7 +1386,8 @@
                                 <0x02000000 0 0xfe200000 0 0xfe200000 0 0x0200000>,
                                 <0x02000000 0 0x30000000 0 0x30000000 0 0x8000000>,
                                 <0x42000000 0 0x38000000 0 0x38000000 0 0x8000000>;
-                       dma-ranges = <0x42000000 0 0x40000000 0 0x40000000 0 0x80000000>;
+                       /* Map all possible DDR/IOMMU as inbound ranges */
+                       dma-ranges = <0x42000000 0 0x00000000 0 0x00000000 1 0x00000000>;
                        interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>,
                                     <GIC_SPI 149 IRQ_TYPE_LEVEL_HIGH>,
                                     <GIC_SPI 150 IRQ_TYPE_LEVEL_HIGH>;
@@ -1399,6 +1400,8 @@
                        resets = <&cpg 319>;
                        phys = <&pcie_phy>;
                        phy-names = "pcie";
+                       iommu-map = <0 &ipmmu_vi0 5 1>;
+                       iommu-map-mask = <0>;
                        status = "disabled";
                };
 

diff --git a/arch/arm64/boot/dts/renesas/r8a77990.dtsi b/arch/arm64/boot/dts/renesas/r8a77990.dtsi
index 4529e9b..1be0b99 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a77990.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77990.dtsi
@@ -1870,8 +1870,8 @@
                                 <0x02000000 0 0xfe200000 0 0xfe200000 0 0x00200000>,
                                 <0x02000000 0 0x30000000 0 0x30000000 0 0x08000000>,
                                 <0x42000000 0 0x38000000 0 0x38000000 0 0x08000000>;
-                       /* Map all possible DDR as inbound ranges */
-                       dma-ranges = <0x42000000 0 0x40000000 0 0x40000000 0 0x40000000>;
+                       /* Map all possible DDR/IOMMU as inbound ranges */
+                       dma-ranges = <0x42000000 0 0x00000000 0 0x00000000 1 0x00000000>;
                        interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>,
                                     <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>,
                                     <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>;
@@ -1882,6 +1882,8 @@
                        clock-names = "pcie", "pcie_bus";
                        power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
                        resets = <&cpg 319>;
+                       iommu-map = <0 &ipmmu_hc 0 1>;
+                       iommu-map-mask = <0>;
                        status = "disabled";
                };