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Tue, 6 May 2025 15:36:23 +0200 From: Daniel Schultz To: , , , , , , , , CC: , , Daniel Schultz Subject: [PATCH v2 1/4] arm64: dts: ti: k3-am62-phycore-som: Enable Co-processors Date: Tue, 6 May 2025 06:36:01 -0700 Message-ID: <20250506133604.294920-2-d.schultz@phytec.de> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250506133604.294920-1-d.schultz@phytec.de> References: <20250506133604.294920-1-d.schultz@phytec.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: Diagnostix.phytec.de (172.25.0.14) To Florix.phytec.de (172.25.0.13) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AMS1EPF00000040:EE_|FRZP195MB2661:EE_ X-MS-Office365-Filtering-Correlation-Id: 4dcc46ca-a674-4008-ff44-08dd8ca300a4 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|1800799024|36860700013|376014; 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X-OriginatorOrg: phytec.de X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 May 2025 13:36:27.4408 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 4dcc46ca-a674-4008-ff44-08dd8ca300a4 X-MS-Exchange-CrossTenant-Id: e609157c-80e2-446d-9be3-9c99c2399d29 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e609157c-80e2-446d-9be3-9c99c2399d29;Ip=[91.26.50.189];Helo=[Diagnostix.phytec.de] X-MS-Exchange-CrossTenant-AuthSource: AMS1EPF00000040.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: FRZP195MB2661 Content-Type: text/plain; charset="utf-8" For every remote processor, set up dedicated memory regions and associate the required mailbox channels. Allocate two memory areas per remote core: one 1MB region for vring shared buffers, and another for external memory used by the remote processor for its resource table and trace buffer. Signed-off-by: Daniel Schultz Reviewed-by: Wadim Egorov --- .../boot/dts/ti/k3-am62-phycore-som.dtsi | 35 +++++++++++++++---- 1 file changed, 29 insertions(+), 6 deletions(-) diff --git a/arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi b/arch/arm64/b= oot/dts/ti/k3-am62-phycore-som.dtsi index 55ed418c023b..3075979935d5 100644 --- a/arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi @@ -64,6 +64,18 @@ mcu_m4fss_memory_region: m4f-memory@9cc00000 { no-map; }; =20 + wkup_r5fss0_core0_dma_memory_region: r5f-dma-memory@9da00000 { + compatible =3D "shared-dma-pool"; + reg =3D <0x00 0x9da00000 0x00 0x100000>; + no-map; + }; + + wkup_r5fss0_core0_memory_region: r5f-memory@9db00000 { + compatible =3D "shared-dma-pool"; + reg =3D <0x00 0x9db00000 0x00 0xc00000>; + no-map; + }; + secure_tfa_ddr: tfa@9e780000 { reg =3D <0x00 0x9e780000 0x00 0x80000>; alignment =3D <0x1000>; @@ -75,12 +87,6 @@ secure_ddr: optee@9e800000 { alignment =3D <0x1000>; no-map; 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X-OriginatorOrg: phytec.de X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 May 2025 13:36:33.0816 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 69c735ff-e0c8-47b7-b965-08dd8ca30401 X-MS-Exchange-CrossTenant-Id: e609157c-80e2-446d-9be3-9c99c2399d29 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e609157c-80e2-446d-9be3-9c99c2399d29;Ip=[91.26.50.189];Helo=[Diagnostix.phytec.de] X-MS-Exchange-CrossTenant-AuthSource: AMS1EPF00000040.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM9P195MB1186 Content-Type: text/plain; charset="utf-8" For every remote processor, set up dedicated memory regions and associate the required mailbox channels. Allocate two memory areas per remote core: one 1MB region for vring shared buffers, and another for external memory used by the remote processor for its resource table and trace buffer. Signed-off-by: Daniel Schultz Reviewed-by: Andrew Davis --- .../boot/dts/ti/k3-am62a-phycore-som.dtsi | 96 +++++++++++++++++-- 1 file changed, 90 insertions(+), 6 deletions(-) diff --git a/arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi b/arch/arm64/= boot/dts/ti/k3-am62a-phycore-som.dtsi index 147d56b87984..049aa358e796 100644 --- a/arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi @@ -59,6 +59,42 @@ linux,cma { linux,cma-default; }; =20 + c7x_0_dma_memory_region: c7x-dma-memory@99800000 { + compatible =3D "shared-dma-pool"; + reg =3D <0x00 0x99800000 0x00 0x100000>; + no-map; + }; + + c7x_0_memory_region: c7x-memory@99900000 { + compatible =3D "shared-dma-pool"; + reg =3D <0x00 0x99900000 0x00 0xf00000>; + no-map; + }; + + mcu_r5fss0_core0_dma_memory_region: r5f-dma-memory@9b800000 { + compatible =3D "shared-dma-pool"; + reg =3D <0x00 0x9b800000 0x00 0x100000>; + no-map; + }; + + mcu_r5fss0_core0_memory_region: r5f-dma-memory@9b900000 { + compatible =3D "shared-dma-pool"; + reg =3D <0x00 0x9b900000 0x00 0xf00000>; + no-map; + }; + + wkup_r5fss0_core0_dma_memory_region: r5f-dma-memory@9c800000 { + compatible =3D "shared-dma-pool"; + reg =3D <0x00 0x9c800000 0x00 0x100000>; + no-map; + }; + + wkup_r5fss0_core0_memory_region: r5f-dma-memory@9c900000 { + compatible =3D "shared-dma-pool"; + reg =3D <0x00 0x9c900000 0x00 0xf00000>; + no-map; + }; + secure_tfa_ddr: tfa@9e780000 { reg =3D <0x00 0x9e780000 0x00 0x80000>; alignment =3D <0x1000>; @@ -70,12 +106,6 @@ secure_ddr: optee@9e800000 { alignment =3D <0x1000>; no-map; }; - - wkup_r5fss0_core0_memory_region: r5f-dma-memory@9c900000 { - compatible =3D "shared-dma-pool"; - reg =3D <0x00 0x9c900000 0x00 0x01e00000>; - no-map; - }; }; =20 vcc_5v0_som: regulator-vcc-5v0-som { @@ -170,6 +200,13 @@ AM62AX_IOPAD(0x1f4, PIN_INPUT, 0) /* (D16) EXTINTn */ }; }; =20 +&c7x_0 { + mboxes =3D <&mailbox0_cluster1>, <&mbox_c7x_0>; + memory-region =3D <&c7x_0_dma_memory_region>, + <&c7x_0_memory_region>; + status =3D "okay"; +}; + &cpsw3g { pinctrl-names =3D "default"; pinctrl-0 =3D <&main_rgmii1_pins_default>; @@ -200,6 +237,33 @@ &fss { status =3D "okay"; }; =20 +&mailbox0_cluster0 { + status =3D "okay"; + + mbox_r5_0: mbox-r5-0 { + ti,mbox-rx =3D <0 0 0>; + ti,mbox-tx =3D <1 0 0>; + }; +}; + +&mailbox0_cluster1 { + status =3D "okay"; + + mbox_c7x_0: mbox-c7x-0 { + ti,mbox-rx =3D <0 0 0>; + ti,mbox-tx =3D <1 0 0>; + }; +}; + +&mailbox0_cluster2 { + status =3D "okay"; + + mbox_mcu_r5_0: mbox-mcu-r5-0 { + ti,mbox-rx =3D <0 0 0>; + ti,mbox-tx =3D <1 0 0>; + }; +}; + &main_i2c0 { pinctrl-names =3D "default"; pinctrl-0 =3D <&main_i2c0_pins_default>; @@ -315,6 +379,16 @@ &main_pktdma { bootph-all; }; =20 +&mcu_r5fss0 { + status =3D "okay"; +}; + +&mcu_r5fss0_core0 { + mboxes =3D <&mailbox0_cluster2>, <&mbox_mcu_r5_0>; + memory-region =3D <&mcu_r5fss0_core0_dma_memory_region>, + <&mcu_r5fss0_core0_memory_region>; +}; + &ospi0 { pinctrl-names =3D "default"; pinctrl-0 =3D <&ospi0_pins_default>; @@ -343,3 +417,13 @@ &sdhci0 { bootph-all; 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X-OriginatorOrg: phytec.de X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 May 2025 13:36:34.3159 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: c7b4ef94-007f-43f1-3448-08dd8ca304bf X-MS-Exchange-CrossTenant-Id: e609157c-80e2-446d-9be3-9c99c2399d29 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e609157c-80e2-446d-9be3-9c99c2399d29;Ip=[91.26.50.189];Helo=[Diagnostix.phytec.de] X-MS-Exchange-CrossTenant-AuthSource: AMS1EPF00000040.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB8P195MB0469 Content-Type: text/plain; charset="utf-8" The main rti4 watchdog timer is used by the C7x DSP, so reserve the timer in the linux device tree. Signed-off-by: Daniel Schultz --- arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi b/arch/arm64/= boot/dts/ti/k3-am62a-phycore-som.dtsi index 049aa358e796..7fa0060af4e8 100644 --- a/arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi @@ -379,6 +379,11 @@ &main_pktdma { bootph-all; }; =20 +/* main_rti4 is used by C7x DSP */ +&main_rti4 { + status =3D "reserved"; +}; + &mcu_r5fss0 { status =3D "okay"; }; --=20 2.25.1 From nobody Wed Dec 17 05:45:24 2025 Received: from EUR05-VI1-obe.outbound.protection.outlook.com (mail-vi1eur05on2115.outbound.protection.outlook.com [40.107.21.115]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4973F2820D7; Tue, 6 May 2025 13:36:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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X-OriginatorOrg: phytec.de X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 May 2025 13:36:36.1753 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: c21dd712-4605-4cec-f81b-08dd8ca305d9 X-MS-Exchange-CrossTenant-Id: e609157c-80e2-446d-9be3-9c99c2399d29 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e609157c-80e2-446d-9be3-9c99c2399d29;Ip=[91.26.50.189];Helo=[Diagnostix.phytec.de] X-MS-Exchange-CrossTenant-AuthSource: AMS1EPF00000040.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8P195MB1269 Content-Type: text/plain; charset="utf-8" C7x DSP uses main_timer2, so mark it as reserved in linux DT. Signed-off-by: Daniel Schultz --- arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi b/arch/arm64/= boot/dts/ti/k3-am62a-phycore-som.dtsi index 7fa0060af4e8..14f7840ccf2f 100644 --- a/arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62a-phycore-som.dtsi @@ -384,6 +384,11 @@ &main_rti4 { status =3D "reserved"; }; =20 +/* main_timer2 is used by C7x DSP */ +&main_timer2 { + status =3D "reserved"; +}; + &mcu_r5fss0 { status =3D "okay"; }; --=20 2.25.1