From patchwork Fri Jan 31 21:46:07 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Judith Mendez X-Patchwork-Id: 13955930 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id ECFF6C0218F for ; Fri, 31 Jan 2025 21:59:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date :Subject:CC:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=1XbVA/hnFrusAWEAKZnUX9Uf1RyjJiyakv+4f7GWejM=; b=a8fXxFZf02W9YLWRwGGnSy6+U1 B5WT2DcQ1sBydmEVF6r+tJnVmq56In19sz5k1gX/jAD7hxAPNAPUbJv7xvNnCHSqHbKUdcHbAd6Rk q/ThPDpEB4B86WQAs7PRjY0cfdYki0Xd4Mo/y75VedBzvAOgb8BCimYkgmkk7HAvtEJSiCREyw3Xc 990P/b4gfws684LmJo7jH9z+eg7VoE9Eq92BBl2bexBn1La5WJUxfs7ED0WpPzbPGZ9IZMxEpHwh3 42u8z42ggO/x9s/jMS6Jgmv1+zFMXLUEYN8HdE8YNzlW5q5d3r39T+36ChgttyiLczLqe/Ooy3T1R qksV71tQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tdz2l-0000000BW6v-0Suy; Fri, 31 Jan 2025 21:59:19 +0000 Received: from fllvem-ot04.ext.ti.com ([198.47.19.246]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tdyq9-0000000BUaD-0LV6 for linux-arm-kernel@lists.infradead.org; Fri, 31 Jan 2025 21:46:18 +0000 Received: from lelv0265.itg.ti.com ([10.180.67.224]) by fllvem-ot04.ext.ti.com (8.15.2/8.15.2) with ESMTPS id 50VLkCrk1734343 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 31 Jan 2025 15:46:12 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1738359972; bh=1XbVA/hnFrusAWEAKZnUX9Uf1RyjJiyakv+4f7GWejM=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=j+x0pVyXfPsbcrhJT4Zra0Tnm7RjOQ+eSSNBz0QxZq6WMItJMLbkG1LZMDx6dD+Ss sd+PBfh+yG+0Rs1KTII4s+OaJTpT9n0vpqUZhi1gXIClOhroT/rsgYw0o8l3BquXfj vqH1aquZuWZmHcnsrPmg0dgAOYlk8mQ/pE9WngEU= Received: from DFLE108.ent.ti.com (dfle108.ent.ti.com [10.64.6.29]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 50VLkCgO017514 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 31 Jan 2025 15:46:12 -0600 Received: from DFLE115.ent.ti.com (10.64.6.36) by DFLE108.ent.ti.com (10.64.6.29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Fri, 31 Jan 2025 15:46:12 -0600 Received: from lelvsmtp6.itg.ti.com (10.180.75.249) by DFLE115.ent.ti.com (10.64.6.36) 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; Fri, 31 Jan 2025 15:46:11 -0600 Received: from judy-hp.dhcp.ti.com (judy-hp.dhcp.ti.com [128.247.81.105]) by lelvsmtp6.itg.ti.com (8.15.2/8.15.2) with ESMTP id 50VLkBD2082734; Fri, 31 Jan 2025 15:46:11 -0600 From: Judith Mendez To: Nishanth Menon , Vignesh Raghavendra CC: Rob Herring , Krzysztof Kozlowski , Conor Dooley , , , , Andrew Davis , Hari Nagalla , Judith Mendez Subject: [PATCH v2 5/9] arm64: dts: ti: k3-am62a7-sk: Enable ipc with remote processors Date: Fri, 31 Jan 2025 15:46:07 -0600 Message-ID: <20250131214611.3288742-6-jm@ti.com> X-Mailer: git-send-email 2.48.0 In-Reply-To: <20250131214611.3288742-1-jm@ti.com> References: <20250131214611.3288742-1-jm@ti.com> MIME-Version: 1.0 X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250131_134617_208258_FE692F68 X-CRM114-Status: GOOD ( 11.65 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Devarsh Thakkar 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 v1: - add patches 5-9 to enable ipc and complete device nodes --- arch/arm64/boot/dts/ti/k3-am62a7-sk.dts | 78 +++++++++++++++++++++++++ 1 file changed, 78 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts index a6f0d87a50d8a..6f4b037537fec 100644 --- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts @@ -61,11 +61,41 @@ secure_ddr: optee@9e800000 { no-map; }; + wkup_r5fss0_core0_dma_memory_region: r5f-dma-memory@9c800000 { + compatible = "shared-dma-pool"; + reg = <0x00 0x9c800000 0x00 0x100000>; + no-map; + }; + wkup_r5fss0_core0_memory_region: r5f-dma-memory@9c900000 { compatible = "shared-dma-pool"; reg = <0x00 0x9c900000 0x00 0x01e00000>; no-map; }; + + mcu_r5fss0_core0_dma_memory_region: r5f-dma-memory@9b800000 { + compatible = "shared-dma-pool"; + reg = <0x00 0x9b800000 0x00 0x100000>; + no-map; + }; + + mcu_r5fss0_core0_memory_region: r5f-dma-memory@9b900000 { + compatible = "shared-dma-pool"; + reg = <0x00 0x9b900000 0x00 0x0f00000>; + no-map; + }; + + c7x_0_dma_memory_region: c7x-dma-memory@99800000 { + compatible = "shared-dma-pool"; + reg = <0x00 0x99800000 0x00 0x100000>; + no-map; + }; + + c7x_0_memory_region: c7x-memory@99900000 { + compatible = "shared-dma-pool"; + reg = <0x00 0x99900000 0x00 0x01f00000>; + no-map; + }; }; opp-table { @@ -737,3 +767,51 @@ dpi1_out: endpoint { }; }; }; + +&mailbox0_cluster0 { + mbox_r5_0: mbox-r5-0 { + ti,mbox-rx = <0 0 0>; + ti,mbox-tx = <1 0 0>; + }; +}; + +&mailbox0_cluster1 { + mbox_c7x_0: mbox-c7x-0 { + ti,mbox-rx = <0 0 0>; + ti,mbox-tx = <1 0 0>; + }; +}; + +&mailbox0_cluster2 { + mbox_mcu_r5_0: mbox-mcu-r5-0 { + ti,mbox-rx = <0 0 0>; + ti,mbox-tx = <1 0 0>; + }; +}; + +&wkup_r5fss0 { + status = "okay"; +}; + +&wkup_r5fss0_core0 { + mboxes = <&mailbox0_cluster0>, <&mbox_r5_0>; + memory-region = <&wkup_r5fss0_core0_dma_memory_region>, + <&wkup_r5fss0_core0_memory_region>; +}; + +&mcu_r5fss0 { + status = "okay"; +}; + +&mcu_r5fss0_core0 { + mboxes = <&mailbox0_cluster2>, <&mbox_mcu_r5_0>; + memory-region = <&mcu_r5fss0_core0_dma_memory_region>, + <&mcu_r5fss0_core0_memory_region>; +}; + +&c7x_0 { + mboxes = <&mailbox0_cluster1>, <&mbox_c7x_0>; + memory-region = <&c7x_0_dma_memory_region>, + <&c7x_0_memory_region>; + status = "okay"; +};