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Wed, 7 May 2025 09:00:23 +0200 From: Daniel Schultz To: , , , , , , , , CC: , , Daniel Schultz , Andrew Davis , Judith Mendez Subject: [PATCH v3 1/4] arm64: dts: ti: k3-am62-phycore-som: Enable Co-processors Date: Wed, 7 May 2025 00:00:05 -0700 Message-ID: <20250507070008.1231611-2-d.schultz@phytec.de> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250507070008.1231611-1-d.schultz@phytec.de> References: <20250507070008.1231611-1-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: DB1PEPF000509FE:EE_|AS2P195MB2171:EE_ X-MS-Office365-Filtering-Correlation-Id: d944031f-b46c-4151-e52a-08dd8d34d8d1 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|376014|82310400026|36860700013|1800799024; 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X-OriginatorOrg: phytec.de X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 May 2025 07:00:27.1200 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: d944031f-b46c-4151-e52a-08dd8d34d8d1 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: DB1PEPF000509FE.eurprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS2P195MB2171 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 Reviewed-by: Andrew Davis Reviewed-by: Judith Mendez --- .../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; }; - - 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 { @@ -240,10 +246,17 @@ 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_pktdma { @@ -386,3 +399,13 @@ &sdhci0 { bootph-all; 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