From patchwork Mon Aug 3 01:13:10 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Leo Yan X-Patchwork-Id: 6926461 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id AAD12C05AC for ; Mon, 3 Aug 2015 01:16:37 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id C7C4420458 for ; Mon, 3 Aug 2015 01:16:36 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D404B20456 for ; Mon, 3 Aug 2015 01:16:35 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZM4LA-0008DJ-6c; Mon, 03 Aug 2015 01:14:56 +0000 Received: from mail-pd0-f181.google.com ([209.85.192.181]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZM4Kx-00080K-34 for linux-arm-kernel@lists.infradead.org; Mon, 03 Aug 2015 01:14:44 +0000 Received: by pdco4 with SMTP id o4so1232654pdc.3 for ; Sun, 02 Aug 2015 18:14:22 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=XsZijqvtwNHa5ErQeCS3BcTG+BD6zAahKWvWIG/uubg=; b=T96s7oz3Jc4RvXmvAprINnvYrPqJ1xck0/nZo5Y7kSorX629M+nTJj6qy2ZZ9o7kU/ x9wVZud4Yrl+8rKdxfSmszVkeiF7st9CNpP2U4Pn7hM42bOoc+zSXLKICc6su8Gdq8uc yoQAA1YO+2K3Npe1sUC0EP7AAjlDwbAbDKKkm8Rqvix844U+iU+rWhGv8v/2n1E24OsB n04XaG0jEaHXOSY6lVkV0sSJxo2a8+o0XP+ItLDuFdibw6CSveUsB2ETwo+03EjJefOJ uTTKCLwPf0XThkT/gTVclnHqmTw+h4TYLz9NGAuC+ToJkitmCSrndwlo+EL8PrMF7lJp i1Xw== X-Gm-Message-State: ALoCoQncDlU/30seiiaGSc4Zaxii9rGHb/vlxTB2bVF+7Be4Dygk6Im93+r87sBRplA+kMuIZgwt X-Received: by 10.70.48.68 with SMTP id j4mr30421859pdn.111.1438564462248; Sun, 02 Aug 2015 18:14:22 -0700 (PDT) Received: from localhost.localdomain ([180.150.157.4]) by smtp.gmail.com with ESMTPSA id he7sm5839938pbc.63.2015.08.02.18.14.16 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sun, 02 Aug 2015 18:14:21 -0700 (PDT) From: Leo Yan To: Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Catalin Marinas , Will Deacon , Jassi Brar , Wei Xu , Bintian Wang , Haojian Zhuang , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Guodong Xu , Jian Zhang , Zhenwei Wang , Haoju Mo , Dan Zhao , kongfei@hisilicon.com, Guangyue Zeng Subject: [RFC PATCH 3/3] arm64: dts: add Hi6220 mailbox node Date: Mon, 3 Aug 2015 09:13:10 +0800 Message-Id: <1438564390-28111-4-git-send-email-leo.yan@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1438564390-28111-1-git-send-email-leo.yan@linaro.org> References: <1438564390-28111-1-git-send-email-leo.yan@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150802_181443_227000_2CBF7A95 X-CRM114-Status: GOOD ( 12.50 ) X-Spam-Score: -2.6 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Leo Yan MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.3 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP On Hi6220, below memory regions in DDR have specific purpose: - 0x05e0,0000 - 0x05ef,ffff: For MCU firmware using at runtime; - 0x0740,f000 - 0x0740,ffff: For MCU firmware's section; - 0x06df,f000 - 0x06df,ffff: For mailbox message data. This patch reserves these memory regions and add device node for mailbox in dts. Signed-off-by: Leo Yan --- arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts | 20 +++++++++++++++++--- arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 8 ++++++++ 2 files changed, 25 insertions(+), 3 deletions(-) diff --git a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts index e36a539..1715f9d 100644 --- a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts +++ b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts @@ -7,9 +7,6 @@ /dts-v1/; -/*Reserved 1MB memory for MCU*/ -/memreserve/ 0x05e00000 0x00100000; - #include "hi6220.dtsi" / { @@ -28,4 +25,21 @@ device_type = "memory"; reg = <0x0 0x0 0x0 0x40000000>; }; + + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + mcu-buf@05e00000 { + no-map; + reg = <0x0 0x0740f000 0x0 0x00001000>, /* MCU firmware section */ + <0x0 0x05e00000 0x0 0x00100000>; /* MCU firmware buffer */ + }; + + mbox-buf@06dff000 { + no-map; + reg = <0x0 0x06dff000 0x0 0x00001000>; /* Mailbox message buf */ + }; + }; }; diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi index 3f03380..b42a9b7 100644 --- a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi +++ b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi @@ -167,5 +167,13 @@ clocks = <&ao_ctrl 36>, <&ao_ctrl 36>; clock-names = "uartclk", "apb_pclk"; }; + + mailbox: mailbox { + #mbox-cells = <1>; + compatible = "hisilicon,hi6220-mbox"; + reg = <0x0 0xf7510000 0x0 0x1000>, /* IPC_S */ + <0x0 0x06dff800 0x0 0x0800>; /* Mailbox buffer */ + interrupts = ; + }; }; };