From mboxrd@z Thu Jan 1 00:00:00 1970 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 58C41C369DC for ; Mon, 28 Apr 2025 16:29:55 +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-Transfer-Encoding: Content-Type:In-Reply-To:From:References:CC:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=pLCRaOu6Tt3QIEat0TyIkyelowGCiPWKGTNSyRo/nPE=; b=4a/iFlygry/4uEtt2aeNee68yb aecjVKwT39ieBYV88uDidpgb+0ANUCoALohcsWVChRElUk+B79F+36LIENhIoyRwkYxspZwHPX1Mb +DPfnC3o20igFUpEMq71gYFVqYUz6tk8EKuJSiVsIUvnGiof86zgv983LnAvipAZlApK8NP0+rSmJ kHlmSovq9N+1uaQF7Vz9wBKB6uQ+UChbkRZQ2BEaK3CNhSPbWCXCf/GxGGRi5kUgm358Nw0iFpiCM 7/JxHm8ZjMoNw+exU6WhcFeYCx48Debee5akLKAj0f1vrrsxStBgJo1HxnkOVXVwJJ2nn24TOX5h5 pL0ZK4cw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1u9RMY-00000006w64-3BZg; Mon, 28 Apr 2025 16:29:46 +0000 Received: from lelvem-ot01.ext.ti.com ([198.47.23.234]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1u9RHF-00000006uvX-0Goo for linux-arm-kernel@lists.infradead.org; Mon, 28 Apr 2025 16:24:18 +0000 Received: from fllv0034.itg.ti.com ([10.64.40.246]) by lelvem-ot01.ext.ti.com (8.15.2/8.15.2) with ESMTPS id 53SGOCqJ2821103 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 28 Apr 2025 11:24:12 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1745857452; bh=pLCRaOu6Tt3QIEat0TyIkyelowGCiPWKGTNSyRo/nPE=; h=Date:Subject:To:CC:References:From:In-Reply-To; b=BPDZRIutC8V4ELh+wV6b8dCune1mLxqJ2gVOwKmJ58FO2WOuRKvinMXHUI91+rEJF 7upqnTaJpw5Q6Z+twKycCmru6wZ6qzJb7kkMfKCuFPwfflNzjIIVETWsprTrvxwLG+ Rg37T5jK54Q3TIGJIq2jQfu9j4gT3b3VJoxUUH3w= Received: from DFLE111.ent.ti.com (dfle111.ent.ti.com [10.64.6.32]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 53SGOCPL028905 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 28 Apr 2025 11:24:12 -0500 Received: from DFLE101.ent.ti.com (10.64.6.22) by DFLE111.ent.ti.com (10.64.6.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Mon, 28 Apr 2025 11:24:12 -0500 Received: from lelvsmtp6.itg.ti.com (10.180.75.249) by DFLE101.ent.ti.com (10.64.6.22) 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, 28 Apr 2025 11:24:12 -0500 Received: from [10.249.42.149] ([10.249.42.149]) by lelvsmtp6.itg.ti.com (8.15.2/8.15.2) with ESMTP id 53SGOB4S127609; Mon, 28 Apr 2025 11:24:11 -0500 Message-ID: Date: Mon, 28 Apr 2025 11:24:11 -0500 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v7 08/11] arm64: dts: ti: k3-am62x-sk-common: Enable IPC with remote processors To: Judith Mendez , Nishanth Menon , Vignesh Raghavendra CC: Tero Kristo , Rob Herring , Krzysztof Kozlowski , Conor Dooley , , , , Hari Nagalla , Beleswar Prasad , Markus Schneider-Pargmann , Devarsh Thakkar References: <20250415153147.1844076-1-jm@ti.com> <20250415153147.1844076-9-jm@ti.com> Content-Language: en-US From: Andrew Davis In-Reply-To: <20250415153147.1844076-9-jm@ti.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250428_092417_201351_A4E9A881 X-CRM114-Status: GOOD ( 16.03 ) 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 On 4/15/25 10:31 AM, Judith Mendez wrote: > 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 > --- Acked-by: Andrew Davis > .../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/boot/dts/ti/k3-am62x-sk-common.dtsi > index d52cb2a5a589a..364b2ba6af958 100644 > --- a/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi > +++ b/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi > @@ -70,6 +70,18 @@ mcu_m4fss_memory_region: m4f-memory@9cc00000 { > no-map; > }; > > + wkup_r5fss0_core0_dma_memory_region: r5f-dma-memory@9da00000 { > + compatible = "shared-dma-pool"; > + reg = <0x00 0x9da00000 0x00 0x100000>; > + no-map; > + }; > + > + wkup_r5fss0_core0_memory_region: r5f-memory@9db00000 { > + compatible = "shared-dma-pool"; > + reg = <0x00 0x9db00000 0x00 0xc00000>; > + no-map; > + }; > + > secure_tfa_ddr: tfa@9e780000 { > reg = <0x00 0x9e780000 0x00 0x80000>; > alignment = <0x1000>; > @@ -82,11 +94,6 @@ secure_ddr: optee@9e800000 { > no-map; > }; > > - wkup_r5fss0_core0_dma_memory_region: r5f-dma-memory@9db00000 { > - compatible = "shared-dma-pool"; > - reg = <0x00 0x9db00000 0x00 0xc00000>; > - no-map; > - }; > }; > > leds { > @@ -476,10 +483,17 @@ cpsw3g_phy0: ethernet-phy@0 { > }; > > &mailbox0_cluster0 { > + status = "okay"; > + > mbox_m4_0: mbox-m4-0 { > ti,mbox-rx = <0 0 0>; > ti,mbox-tx = <1 0 0>; > }; > + > + mbox_r5_0: mbox-r5-0 { > + ti,mbox-rx = <2 0 0>; > + ti,mbox-tx = <3 0 0>; > + }; > }; > > &mcu_m4fss { > @@ -489,6 +503,16 @@ &mcu_m4fss { > status = "okay"; > }; > > +&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>; > +}; > + > &usbss0 { > bootph-all; > status = "okay";