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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Nov 2022 15:54:01.7549 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 373f5910-6889-4fdf-195c-08dac658733a X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT099.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS7PR12MB6358 X-Spam-Status: No, score=-1.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_SPF_HELO, RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org From: Vidya Sagar Add support for ECAM aperture that is only supported for Tegra234 devices. Signed-off-by: Vidya Sagar Co-developed-by: Jon Hunter Signed-off-by: Jon Hunter Reviewed-by: Krzysztof Kozlowski Acked-by: Rob Herring --- Changes since V2: - Avoid duplication of reg items and reg-names Changes since V1: - Restricted the ECAM aperture to only Tegra234 devices that support it. .../bindings/pci/nvidia,tegra194-pcie.yaml | 34 +++++++++++++++++-- .../devicetree/bindings/pci/snps,dw-pcie.yaml | 2 +- 2 files changed, 33 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.yaml b/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.yaml index 75da3e8eecb9..fe81d52c7277 100644 --- a/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.yaml +++ b/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.yaml @@ -27,6 +27,7 @@ properties: - nvidia,tegra234-pcie reg: + minItems: 4 items: - description: controller's application logic registers - description: configuration registers @@ -35,13 +36,16 @@ properties: available for software access. - description: aperture where the Root Port's own configuration registers are available. + - description: aperture to access the configuration space through ECAM. reg-names: + minItems: 4 items: - const: appl - const: config - const: atu_dma - const: dbi + - const: ecam interrupts: items: @@ -202,6 +206,31 @@ properties: allOf: - $ref: /schemas/pci/snps,dw-pcie.yaml# + - if: + properties: + compatible: + contains: + enum: + - nvidia,tegra194-pcie + then: + properties: + reg: + maxItems: 4 + reg-names: + maxItems: 4 + + - if: + properties: + compatible: + contains: + enum: + - nvidia,tegra234-pcie + then: + properties: + reg: + minItems: 5 + reg-names: + minItems: 5 unevaluatedProperties: false @@ -305,8 +334,9 @@ examples: reg = <0x00 0x14160000 0x0 0x00020000>, /* appl registers (128K) */ <0x00 0x36000000 0x0 0x00040000>, /* configuration space (256K) */ <0x00 0x36040000 0x0 0x00040000>, /* iATU_DMA reg space (256K) */ - <0x00 0x36080000 0x0 0x00040000>; /* DBI reg space (256K) */ - reg-names = "appl", "config", "atu_dma", "dbi"; + <0x00 0x36080000 0x0 0x00040000>, /* DBI reg space (256K) */ + <0x24 0x30000000 0x0 0x10000000>; /* ECAM (256MB) */ + reg-names = "appl", "config", "atu_dma", "dbi", "ecam"; #address-cells = <3>; #size-cells = <2>; diff --git a/Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml b/Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml index 7287d395e1b6..7e0b015f1414 100644 --- a/Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml +++ b/Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml @@ -35,7 +35,7 @@ properties: maxItems: 5 items: enum: [ dbi, dbi2, config, atu, atu_dma, app, appl, elbi, mgmt, ctrl, - parf, cfg, link, ulreg, smu, mpu, apb, phy ] + parf, cfg, link, ulreg, smu, mpu, apb, phy, ecam ] num-lanes: description: | From patchwork Mon Nov 14 15:53:33 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jon Hunter X-Patchwork-Id: 1703645 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Nov 2022 15:54:05.1884 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 7b2a147b-652c-44aa-046c-08dac6587546 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT086.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR12MB7568 X-Spam-Status: No, score=-1.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_SPF_HELO, RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org From: Vidya Sagar Add the ECAM aperture information for all the PCIe controllers of Tegra234. Signed-off-by: Vidya Sagar Signed-off-by: Jon Hunter --- Changes since V2: - None Changes since V1: - None arch/arm64/boot/dts/nvidia/tegra234.dtsi | 55 ++++++++++++++---------- 1 file changed, 33 insertions(+), 22 deletions(-) diff --git a/arch/arm64/boot/dts/nvidia/tegra234.dtsi b/arch/arm64/boot/dts/nvidia/tegra234.dtsi index ed7676c9521b..37afe1e03700 100644 --- a/arch/arm64/boot/dts/nvidia/tegra234.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra234.dtsi @@ -2235,8 +2235,9 @@ pcie@140a0000 { reg = <0x00 0x140a0000 0x0 0x00020000>, /* appl registers (128K) */ <0x00 0x2a000000 0x0 0x00040000>, /* configuration space (256K) */ <0x00 0x2a040000 0x0 0x00040000>, /* iATU_DMA reg space (256K) */ - <0x00 0x2a080000 0x0 0x00040000>; /* DBI reg space (256K) */ - reg-names = "appl", "config", "atu_dma", "dbi"; + <0x00 0x2a080000 0x0 0x00040000>, /* DBI reg space (256K) */ + <0x35 0x30000000 0x0 0x10000000>; /* ECAM (256MB) */ + reg-names = "appl", "config", "atu_dma", "dbi", "ecam"; #address-cells = <3>; #size-cells = <2>; @@ -2288,8 +2289,9 @@ pcie@140c0000 { reg = <0x00 0x140c0000 0x0 0x00020000>, /* appl registers (128K) */ <0x00 0x2c000000 0x0 0x00040000>, /* configuration space (256K) */ <0x00 0x2c040000 0x0 0x00040000>, /* iATU_DMA reg space (256K) */ - <0x00 0x2c080000 0x0 0x00040000>; /* DBI reg space (256K) */ - reg-names = "appl", "config", "atu_dma", "dbi"; + <0x00 0x2c080000 0x0 0x00040000>, /* DBI reg space (256K) */ + <0x38 0x30000000 0x0 0x10000000>; /* ECAM (256MB) */ + reg-names = "appl", "config", "atu_dma", "dbi", "ecam"; #address-cells = <3>; #size-cells = <2>; @@ -2341,8 +2343,9 @@ pcie@140e0000 { reg = <0x00 0x140e0000 0x0 0x00020000>, /* appl registers (128K) */ <0x00 0x2e000000 0x0 0x00040000>, /* configuration space (256K) */ <0x00 0x2e040000 0x0 0x00040000>, /* iATU_DMA reg space (256K) */ - <0x00 0x2e080000 0x0 0x00040000>; /* DBI reg space (256K) */ - reg-names = "appl", "config", "atu_dma", "dbi"; + <0x00 0x2e080000 0x0 0x00040000>, /* DBI reg space (256K) */ + <0x3b 0x30000000 0x0 0x10000000>; /* ECAM (256MB) */ + reg-names = "appl", "config", "atu_dma", "dbi", "ecam"; #address-cells = <3>; #size-cells = <2>; @@ -2394,8 +2397,9 @@ pcie@14100000 { reg = <0x00 0x14100000 0x0 0x00020000>, /* appl registers (128K) */ <0x00 0x30000000 0x0 0x00040000>, /* configuration space (256K) */ <0x00 0x30040000 0x0 0x00040000>, /* iATU_DMA reg space (256K) */ - <0x00 0x30080000 0x0 0x00040000>; /* DBI reg space (256K) */ - reg-names = "appl", "config", "atu_dma", "dbi"; + <0x00 0x30080000 0x0 0x00040000>, /* DBI reg space (256K) */ + <0x20 0xb0000000 0x0 0x10000000>; /* ECAM (256MB) */ + reg-names = "appl", "config", "atu_dma", "dbi", "ecam"; #address-cells = <3>; #size-cells = <2>; @@ -2447,8 +2451,9 @@ pcie@14120000 { reg = <0x00 0x14120000 0x0 0x00020000>, /* appl registers (128K) */ <0x00 0x32000000 0x0 0x00040000>, /* configuration space (256K) */ <0x00 0x32040000 0x0 0x00040000>, /* iATU_DMA reg space (256K) */ - <0x00 0x32080000 0x0 0x00040000>; /* DBI reg space (256K) */ - reg-names = "appl", "config", "atu_dma", "dbi"; + <0x00 0x32080000 0x0 0x00040000>, /* DBI reg space (256K) */ + <0x20 0xf0000000 0x0 0x10000000>; /* ECAM (256MB) */ + reg-names = "appl", "config", "atu_dma", "dbi", "ecam"; #address-cells = <3>; #size-cells = <2>; @@ -2500,8 +2505,9 @@ pcie@14140000 { reg = <0x00 0x14140000 0x0 0x00020000>, /* appl registers (128K) */ <0x00 0x34000000 0x0 0x00040000>, /* configuration space (256K) */ <0x00 0x34040000 0x0 0x00040000>, /* iATU_DMA reg space (256K) */ - <0x00 0x34080000 0x0 0x00040000>; /* DBI reg space (256K) */ - reg-names = "appl", "config", "atu_dma", "dbi"; + <0x00 0x34080000 0x0 0x00040000>, /* DBI reg space (256K) */ + <0x21 0x30000000 0x0 0x10000000>; /* ECAM (256MB) */ + reg-names = "appl", "config", "atu_dma", "dbi", "ecam"; #address-cells = <3>; #size-cells = <2>; @@ -2553,8 +2559,9 @@ pcie@14160000 { reg = <0x00 0x14160000 0x0 0x00020000>, /* appl registers (128K) */ <0x00 0x36000000 0x0 0x00040000>, /* configuration space (256K) */ <0x00 0x36040000 0x0 0x00040000>, /* iATU_DMA reg space (256K) */ - <0x00 0x36080000 0x0 0x00040000>; /* DBI reg space (256K) */ - reg-names = "appl", "config", "atu_dma", "dbi"; + <0x00 0x36080000 0x0 0x00040000>, /* DBI reg space (256K) */ + <0x24 0x30000000 0x0 0x10000000>; /* ECAM (256MB) */ + reg-names = "appl", "config", "atu_dma", "dbi", "ecam"; #address-cells = <3>; #size-cells = <2>; @@ -2606,8 +2613,9 @@ pcie@14180000 { reg = <0x00 0x14180000 0x0 0x00020000>, /* appl registers (128K) */ <0x00 0x38000000 0x0 0x00040000>, /* configuration space (256K) */ <0x00 0x38040000 0x0 0x00040000>, /* iATU_DMA reg space (256K) */ - <0x00 0x38080000 0x0 0x00040000>; /* DBI reg space (256K) */ - reg-names = "appl", "config", "atu_dma", "dbi"; + <0x00 0x38080000 0x0 0x00040000>, /* DBI reg space (256K) */ + <0x27 0x30000000 0x0 0x10000000>; /* ECAM (256MB) */ + reg-names = "appl", "config", "atu_dma", "dbi", "ecam"; #address-cells = <3>; #size-cells = <2>; @@ -2659,8 +2667,9 @@ pcie@141a0000 { reg = <0x00 0x141a0000 0x0 0x00020000>, /* appl registers (128K) */ <0x00 0x3a000000 0x0 0x00040000>, /* configuration space (256K) */ <0x00 0x3a040000 0x0 0x00040000>, /* iATU_DMA reg space (256K) */ - <0x00 0x3a080000 0x0 0x00040000>; /* DBI reg space (256K) */ - reg-names = "appl", "config", "atu_dma", "dbi"; + <0x00 0x3a080000 0x0 0x00040000>, /* DBI reg space (256K) */ + <0x2b 0x30000000 0x0 0x10000000>; /* ECAM (256MB) */ + reg-names = "appl", "config", "atu_dma", "dbi", "ecam"; #address-cells = <3>; #size-cells = <2>; @@ -2712,8 +2721,9 @@ pcie@141c0000 { reg = <0x00 0x141c0000 0x0 0x00020000>, /* appl registers (128K) */ <0x00 0x3c000000 0x0 0x00040000>, /* configuration space (256K) */ <0x00 0x3c040000 0x0 0x00040000>, /* iATU_DMA reg space (256K) */ - <0x00 0x3c080000 0x0 0x00040000>; /* DBI reg space (256K) */ - reg-names = "appl", "config", "atu_dma", "dbi"; + <0x00 0x3c080000 0x0 0x00040000>, /* DBI reg space (256K) */ + <0x2e 0x30000000 0x0 0x10000000>; /* ECAM (256MB) */ + reg-names = "appl", "config", "atu_dma", "dbi", "ecam"; #address-cells = <3>; #size-cells = <2>; @@ -2765,8 +2775,9 @@ pcie@141e0000 { reg = <0x00 0x141e0000 0x0 0x00020000>, /* appl registers (128K) */ <0x00 0x3e000000 0x0 0x00040000>, /* configuration space (256K) */ <0x00 0x3e040000 0x0 0x00040000>, /* iATU_DMA reg space (256K) */ - <0x00 0x3e080000 0x0 0x00040000>; /* DBI reg space (256K) */ - reg-names = "appl", "config", "atu_dma", "dbi"; + <0x00 0x3e080000 0x0 0x00040000>, /* DBI reg space (256K) */ + <0x32 0x30000000 0x0 0x10000000>; /* ECAM (256MB) */ + reg-names = "appl", "config", "atu_dma", "dbi", "ecam"; #address-cells = <3>; #size-cells = <2>;