linux-kernel - [PATCH 20/21] arm64: dts: ls104x: add iommu-map to pci controllers

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Message-Id: <20180919123613.15092-21-laurentiu.tudor@nxp.com>
Date:   Wed, 19 Sep 2018 15:36:12 +0300
From:   laurentiu.tudor@....com
To:     devicetree@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc:     roy.pledge@....com, madalin.bucur@....com, davem@...emloft.net,
        shawnguo@...nel.org, leoyang.li@....com,
        Laurentiu Tudor <laurentiu.tudor@....com>
Subject: [PATCH 20/21] arm64: dts: ls104x: add iommu-map to pci controllers

From: Laurentiu Tudor <laurentiu.tudor@....com>

The pci controllers are also behind the smmu so add the iommu-map
property to reflect this. The bootloader needs to patch the stream id
ranges to some sane values.

Signed-off-by: Laurentiu Tudor <laurentiu.tudor@....com>
---
 arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi | 3 +++
 arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
index 48091409c472..3b7b2e60bd9a 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
@@ -716,6 +716,7 @@
 			#size-cells = <2>;
 			device_type = "pci";
 			dma-coherent;
+			iommu-map = <0 &mmu 0 1>;
 			num-lanes = <4>;
 			bus-range = <0x0 0xff>;
 			ranges = <0x81000000 0x0 0x00000000 0x40 0x00010000 0x0 0x00010000   /* downstream I/O */
@@ -741,6 +742,7 @@
 			#size-cells = <2>;
 			device_type = "pci";
 			dma-coherent;
+			iommu-map = <0 &mmu 0 1>;
 			num-lanes = <2>;
 			bus-range = <0x0 0xff>;
 			ranges = <0x81000000 0x0 0x00000000 0x48 0x00010000 0x0 0x00010000   /* downstream I/O */
@@ -766,6 +768,7 @@
 			#size-cells = <2>;
 			device_type = "pci";
 			dma-coherent;
+			iommu-map = <0 &mmu 0 1>;
 			num-lanes = <2>;
 			bus-range = <0x0 0xff>;
 			ranges = <0x81000000 0x0 0x00000000 0x50 0x00010000 0x0 0x00010000   /* downstream I/O */
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
index 40484f6f6d42..890d1565791f 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
@@ -685,6 +685,7 @@
 			#size-cells = <2>;
 			device_type = "pci";
 			dma-coherent;
+			iommu-map = <0 &mmu 0 1>;
 			num-lanes = <4>;
 			bus-range = <0x0 0xff>;
 			ranges = <0x81000000 0x0 0x00000000 0x40 0x00010000 0x0 0x00010000   /* downstream I/O */
@@ -710,6 +711,7 @@
 			#size-cells = <2>;
 			device_type = "pci";
 			dma-coherent;
+			iommu-map = <0 &mmu 0 1>;
 			num-lanes = <2>;
 			bus-range = <0x0 0xff>;
 			ranges = <0x81000000 0x0 0x00000000 0x48 0x00010000 0x0 0x00010000   /* downstream I/O */
@@ -735,6 +737,7 @@
 			#size-cells = <2>;
 			device_type = "pci";
 			dma-coherent;
+			iommu-map = <0 &mmu 0 1>;
 			num-lanes = <2>;
 			bus-range = <0x0 0xff>;
 			ranges = <0x81000000 0x0 0x00000000 0x50 0x00010000 0x0 0x00010000   /* downstream I/O */
-- 
2.17.1