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Tue, 6 May 2025 13:55:18 +0200 From: Daniel Schultz To: , , , , , , , , CC: , Daniel Schultz Subject: [PATCH 1/4] arm64: dts: ti: k3-am62-phycore-som: Enable Co-processors Date: Tue, 6 May 2025 04:54:59 -0700 Message-ID: <20250506115502.3515599-2-d.schultz@phytec.de> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250506115502.3515599-1-d.schultz@phytec.de> References: <20250506115502.3515599-1-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: AMS0EPF00000190:EE_|PRAP195MB1434:EE_ X-MS-Office365-Filtering-Correlation-Id: 433db1c9-f866-4e95-01f4-08dd8c94e9ec X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|82310400026|36860700013|1800799024; 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X-OriginatorOrg: phytec.de X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 May 2025 11:55:36.3628 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 433db1c9-f866-4e95-01f4-08dd8c94e9ec 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: AMS0EPF00000190.eurprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PRAP195MB1434 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-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 2ef4cbaec789..71d165a7abe0 100644 --- a/arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi @@ -57,6 +57,18 @@ 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>; @@ -68,12 +80,6 @@ secure_ddr: optee@9e800000 { alignment =3D <0x1000>; no-map; }; - - wkup_r5fss0_core0_dma_memory_region: r5f-dma-memory@9db00000 { - compatible =3D "shared-dma-pool"; - reg =3D <0x00 0x9db00000 0x00 0x00c00000>; - no-map; - }; }; =20 vcc_5v0_som: regulator-vcc-5v0-som { @@ -226,10 +232,17 @@ cpsw3g_phy1: ethernet-phy@1 { }; =20 &mailbox0_cluster0 { + status =3D "okay"; + mbox_m4_0: mbox-m4-0 { ti,mbox-rx =3D <0 0 0>; ti,mbox-tx =3D <1 0 0>; }; + + mbox_r5_0: mbox-r5-0 { + ti,mbox-rx =3D <2 0 0>; + ti,mbox-tx =3D <3 0 0>; + }; }; =20 &main_i2c0 { @@ -365,3 +378,13 @@ &sdhci0 { non-removable; status =3D "okay"; }; + +&wkup_r5fss0 { + status =3D "okay"; +}; + +&wkup_r5fss0_core0 { + mboxes =3D <&mailbox0_cluster0 &mbox_r5_0>; + memory-region =3D <&wkup_r5fss0_core0_dma_memory_region>, + <&wkup_r5fss0_core0_memory_region>; +}; --=20 2.25.1