From nobody Fri Dec 19 11:49:31 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0560CE78481 for ; Sun, 1 Oct 2023 18:15:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235307AbjJASPD (ORCPT ); Sun, 1 Oct 2023 14:15:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38912 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235311AbjJASPA (ORCPT ); Sun, 1 Oct 2023 14:15:00 -0400 Received: from fllv0016.ext.ti.com (fllv0016.ext.ti.com [198.47.19.142]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E0DD3112; Sun, 1 Oct 2023 11:14:52 -0700 (PDT) Received: from fllv0034.itg.ti.com ([10.64.40.246]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 391IElR9030324; Sun, 1 Oct 2023 13:14:47 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1696184087; bh=SHbGXXOtRNPEQfLL0Egkty57qX5FHMAyWBjU1sLP7Ks=; h=From:To:Subject:Date:In-Reply-To:References; b=N70uEXNItN3Zj55ixip5ZjD0YKR2ncOy+tfDFz6Mj0ISrQM8zt9at+HetRveA+NFl 5ajmNAxiRLTncVLiXF7zbIQd3J9jPKzr1Afwmc6jNAOfEO5r0DZ9TbTU/haSE4VPy+ X6PUsDGrc10U+C40PVy1KrTEVx+bS8fhaaTZuFvQ= Received: from DLEE104.ent.ti.com (dlee104.ent.ti.com [157.170.170.34]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 391IElW3042182 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Sun, 1 Oct 2023 13:14:47 -0500 Received: from DLEE103.ent.ti.com (157.170.170.33) by DLEE104.ent.ti.com (157.170.170.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Sun, 1 Oct 2023 13:14:47 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) by DLEE103.ent.ti.com (157.170.170.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Sun, 1 Oct 2023 13:14:47 -0500 Received: from TI.dhcp.ti.com (ileaxei01-snat2.itg.ti.com [10.180.69.6]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 391IEHtu063395; Sun, 1 Oct 2023 13:14:44 -0500 From: Apurva Nandan To: Apurva Nandan , Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Rob Herring , Krzysztof Kozlowski , Conor Dooley , , , , Hari Nagalla , Udit Kumar Subject: [PATCH v5 7/9] arm64: dts : ti: k3-am68-sk-som: Add DDR carveout memory nodes for C71x DSP Date: Sun, 1 Oct 2023 23:44:15 +0530 Message-ID: <20231001181417.743306-8-a-nandan@ti.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231001181417.743306-1-a-nandan@ti.com> References: <20231001181417.743306-1-a-nandan@ti.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Two carveout reserved memory nodes each have been added for each of the C71x DSP for the TI K3 AM68 SK boards. These nodes are assigned to the respective rproc device nodes as well. The first region will be used as the DMA pool for the rproc device, and the second region will furnish the static carveout regions for the firmware memory. The current carveout addresses and sizes are defined statically for each device. The C71x DSP processor supports a MMU called CMMU, but is not currently supported and as such requires the exact memory used by the firmware to be set-aside. Signed-off-by: Sinthu Raja Signed-off-by: Apurva Nandan Reviewed-by: Udit Kumar --- arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi | 52 ++++++++++++++++++++++ 1 file changed, 52 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi b/arch/arm64/boot/d= ts/ti/k3-am68-sk-som.dtsi index beab405274ab..20861a0a46b0 100644 --- a/arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am68-sk-som.dtsi @@ -98,6 +98,30 @@ main_r5fss1_core1_memory_region: r5f-memory@a5100000 { no-map; }; =20 + c71_0_dma_memory_region: c71-dma-memory@a6000000 { + compatible =3D "shared-dma-pool"; + reg =3D <0x00 0xa6000000 0x00 0x100000>; + no-map; + }; + + c71_0_memory_region: c71-memory@a6100000 { + compatible =3D "shared-dma-pool"; + reg =3D <0x00 0xa6100000 0x00 0xf00000>; + no-map; + }; + + c71_1_dma_memory_region: c71-dma-memory@a7000000 { + compatible =3D "shared-dma-pool"; + reg =3D <0x00 0xa7000000 0x00 0x100000>; + no-map; + }; + + c71_1_memory_region: c71-memory@a7100000 { + compatible =3D "shared-dma-pool"; + reg =3D <0x00 0xa7100000 0x00 0xf00000>; + no-map; + }; + rtos_ipc_memory_region: ipc-memories@a8000000 { reg =3D <0x00 0xa8000000 0x00 0x01c00000>; alignment =3D <0x1000>; @@ -170,6 +194,20 @@ mbox_main_r5fss1_core1: mbox-main-r5fss1-core1 { }; }; =20 +&mailbox0_cluster4 { + status =3D "okay"; + interrupts =3D <420>; + mbox_c71_0: mbox-c71-0 { + ti,mbox-rx =3D <0 0 0>; + ti,mbox-tx =3D <1 0 0>; + }; + + mbox_c71_1: mbox-c71-1 { + ti,mbox-rx =3D <2 0 0>; + ti,mbox-tx =3D <3 0 0>; + }; +}; + &mcu_r5fss0_core0 { mboxes =3D <&mailbox0_cluster0>, <&mbox_mcu_r5fss0_core0>; memory-region =3D <&mcu_r5fss0_core0_dma_memory_region>, @@ -205,3 +243,17 @@ &main_r5fss1_core1 { memory-region =3D <&main_r5fss1_core1_dma_memory_region>, <&main_r5fss1_core1_memory_region>; }; + +&c71_0 { + status =3D "okay"; + mboxes =3D <&mailbox0_cluster4>, <&mbox_c71_0>; + memory-region =3D <&c71_0_dma_memory_region>, + <&c71_0_memory_region>; +}; + +&c71_1 { + status =3D "okay"; + mboxes =3D <&mailbox0_cluster4>, <&mbox_c71_1>; + memory-region =3D <&c71_1_dma_memory_region>, + <&c71_1_memory_region>; +}; --=20 2.34.1