From patchwork Tue Feb 4 01:16:37 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Judith Mendez X-Patchwork-Id: 13958498 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 7C362C02192 for ; Tue, 4 Feb 2025 01:21:06 +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=dYIjNEsOqTgpLvQ/KHwoL+HBHbAu31AJkzw29SIcCNI=; b=mkTDs8QFTKFdUqYOPW57GmcWQk I5O5/MVlO2TY09dNCTnU6RnCEt5erGHnNJMucYHpJwu23twg2CpkTAXBhZS70wwBT6jhxjkApNJ/f +v7RPXX9nBcjkiHI44MvRaj5lMKP+I0su3Q38X0OtWAWj7jBweNOYygVeQU3tRqikozbj2BOudLb8 wC5sehMXLEd6flyLp1dy3YJrxrOT2o7rT78PI8nxPRCd2ue4Hnrp0751T0pC+3I9AkGXV+Ot442uM pk2LkLPCltC4I62kYFxtHJutsOXxFJ72UhwVkZoDD5wOAxh7uY9N6RDpSCBZYDs7rzUGF/vlReOPg A+Pyzugg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tf7cV-0000000H2WM-3y1Q; Tue, 04 Feb 2025 01:20:55 +0000 Received: from lelvem-ot01.ext.ti.com ([198.47.23.234]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tf7YV-0000000H1XQ-0jIh for linux-arm-kernel@lists.infradead.org; Tue, 04 Feb 2025 01:16:48 +0000 Received: from lelv0265.itg.ti.com ([10.180.67.224]) by lelvem-ot01.ext.ti.com (8.15.2/8.15.2) with ESMTPS id 5141GgRd3125055 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 3 Feb 2025 19:16:42 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1738631802; bh=dYIjNEsOqTgpLvQ/KHwoL+HBHbAu31AJkzw29SIcCNI=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=Aj1RsB6APn9xL+lQkHEq5+KQODOjGVKAptGJnu/qY1gTcRVcJXLCM0n6vUYwCPNpm Y8qmWnGvom1ZzNsGtAjd96gBmDmPvSqP+gp1Ho4F1XHwhXVekvrXq7ycSLq3jf+4AS /EKKBJ4ckLN0RGuM9BgFxMCt9tBBfShNkaL5pyLQ= 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 5141GgoO016764 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 3 Feb 2025 19:16:42 -0600 Received: from DFLE100.ent.ti.com (10.64.6.21) 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; Mon, 3 Feb 2025 19:16:42 -0600 Received: from lelvsmtp5.itg.ti.com (10.180.75.250) by DFLE100.ent.ti.com (10.64.6.21) 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, 3 Feb 2025 19:16:42 -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 5141GfAT024451; Mon, 3 Feb 2025 19:16:42 -0600 From: Judith Mendez To: Nishanth Menon , Vignesh Raghavendra CC: Tero Kristo , Rob Herring , Krzysztof Kozlowski , Conor Dooley , , , , Andrew Davis , Hari Nagalla Subject: [PATCH v3 5/9] arm64: dts: ti: k3-am62a7-sk: Enable IPC with remote processors Date: Mon, 3 Feb 2025 19:16:37 -0600 Message-ID: <20250204011641.1523561-6-jm@ti.com> X-Mailer: git-send-email 2.48.0 In-Reply-To: <20250204011641.1523561-1-jm@ti.com> References: <20250204011641.1523561-1-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-20250203_171647_300121_DCD7DE6A X-CRM114-Status: GOOD ( 12.63 ) 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 v2: - Fix memory carvout sizes, remove leading zeros - Reorder memory carveouts according to memory location - Fix whitespace issues - Fix commit headers, capitalize IPC --- arch/arm64/boot/dts/ti/k3-am62a7-sk.dts | 90 +++++++++++++++++++++++-- 1 file changed, 84 insertions(+), 6 deletions(-) diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts index a6f0d87a50d8a..eaffbab093cc1 100644 --- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts @@ -49,6 +49,42 @@ linux,cma { linux,cma-default; }; + 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 0xf00000>; + 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 0xf00000>; + 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 0x1e00000>; + no-map; + }; + secure_tfa_ddr: tfa@9e780000 { reg = <0x00 0x9e780000 0x00 0x80000>; alignment = <0x1000>; @@ -60,12 +96,6 @@ secure_ddr: optee@9e800000 { alignment = <0x1000>; no-map; }; - - wkup_r5fss0_core0_memory_region: r5f-dma-memory@9c900000 { - compatible = "shared-dma-pool"; - reg = <0x00 0x9c900000 0x00 0x01e00000>; - 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"; +};