From nobody Mon Feb 9 10:26:04 2026 Received: from fllvem-ot04.ext.ti.com (fllvem-ot04.ext.ti.com [198.47.19.246]) (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 03F1C253340; Mon, 10 Feb 2025 22:15:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.19.246 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739225753; cv=none; b=LvjCSineIIIYd/fEnVc4ICmj/hTB1LDHdkwQhVmmJe/ygMyLW2kCh7qYl7Uwg9Mqc6ixdQM5QAe8c7ejb8yrzy8tOIFdZCht6AfwYf/6NQl2h25v9yQeEmKZk4/sIfKN5EVtiT+co3OPvSa45IQEnS7AbB93Pf8hypcRjWJpijA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739225753; c=relaxed/simple; bh=jjShB/C/71HFVkwO+cdgiFF/Emn+3dl1WcMVk/EQmBo=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=m2sZUUCyyACE96idxHVBu5oYCNF+QsoCOZ1IqIv2j/ovWWl+Q0EeG0xMd3jNkUy3EUT/e9bexgfd9pLM2RMgKhVCZBucb0+NO9aL3a2h6y/t1TX7eni5QdSCbb4L+k2GhxdQxNswkB4R+9sn4fluxcRDuXy7UH3ManQAcQ1qnwg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com; spf=pass smtp.mailfrom=ti.com; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b=pS81faDX; arc=none smtp.client-ip=198.47.19.246 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ti.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="pS81faDX" Received: from fllv0034.itg.ti.com ([10.64.40.246]) by fllvem-ot04.ext.ti.com (8.15.2/8.15.2) with ESMTPS id 51AMFVUL3488420 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 10 Feb 2025 16:15:31 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1739225731; bh=doE1/qNnRikB0SABL/yznX/rSmIE/5ibRJLzOCtWfuc=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=pS81faDXQL4SsD4x2a1A/RVbHpJAvtWK67uxUud3RDjyNYTaqBpcAeZbBUiS4rTsW hZ8MfE0o27XmPd4QgL8TlF4yHO1e7gw8y1sHY/5P9+i2wzkm8DMkcJt9tsFZrW86AZ 1lpSDEF6amU2IXmcRVtKrO2D/CD/s+aU73jaFqyI= Received: from DLEE112.ent.ti.com (dlee112.ent.ti.com [157.170.170.23]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 51AMFVKR016603 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 10 Feb 2025 16:15:31 -0600 Received: from DLEE103.ent.ti.com (157.170.170.33) by DLEE112.ent.ti.com (157.170.170.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Mon, 10 Feb 2025 16:15:30 -0600 Received: from lelvsmtp5.itg.ti.com (10.180.75.250) 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; Mon, 10 Feb 2025 16:15:30 -0600 Received: from judy-hp.dhcp.ti.com (judy-hp.dhcp.ti.com [128.247.81.105]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 51AMFUZ9112628; Mon, 10 Feb 2025 16:15:30 -0600 From: Judith Mendez To: Nishanth Menon , Vignesh Raghavendra CC: Rob Herring , Krzysztof Kozlowski , Conor Dooley , , , , Andrew Davis , Hari Nagalla , Judith Mendez Subject: [PATCH v5 07/10] arm64: dts: ti: k3-am62x-sk-common: Enable IPC with remote processors Date: Mon, 10 Feb 2025 16:15:27 -0600 Message-ID: <20250210221530.1234009-8-jm@ti.com> X-Mailer: git-send-email 2.48.0 In-Reply-To: <20250210221530.1234009-1-jm@ti.com> References: <20250210221530.1234009-1-jm@ti.com> 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-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea Content-Type: text/plain; charset="utf-8" From: Hari Nagalla For each remote proc, reserve memory for IPC and bind the mailbox assignments. Two memory regions are reserved for each remote processor. The first region of 1MB of memory is used for Vring shared buffers and the second region is used as external memory to the remote processor for the resource table and for tracebuffer allocations. Signed-off-by: Devarsh Thakkar Signed-off-by: Hari Nagalla Signed-off-by: Judith Mendez --- Changes since v4: - Add "status =3D okay" for mailbox nodes at the board level, disabling of mailbox nodes in voltage domain .dtsi files will come in a separate series --- .../arm64/boot/dts/ti/k3-am62x-sk-common.dtsi | 34 ++++++++++++++++--- 1 file changed, 29 insertions(+), 5 deletions(-) diff --git a/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi b/arch/arm64/bo= ot/dts/ti/k3-am62x-sk-common.dtsi index 2f129e8cd5b9f..17791663abc65 100644 --- a/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi @@ -68,6 +68,18 @@ 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>; @@ -80,11 +92,6 @@ secure_ddr: optee@9e800000 { no-map; }; =20 - wkup_r5fss0_core0_dma_memory_region: r5f-dma-memory@9db00000 { - compatible =3D "shared-dma-pool"; - reg =3D <0x00 0x9db00000 0x00 0xc00000>; - no-map; - }; }; =20 leds { @@ -474,10 +481,17 @@ cpsw3g_phy0: ethernet-phy@0 { }; =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 &mcu_m4fss { @@ -487,6 +501,16 @@ &mcu_m4fss { status =3D "okay"; }; =20 +&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>; +}; + &usbss0 { bootph-all; status =3D "okay"; --=20 2.48.0