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 X-Spam-Level: X-Spam-Status: No, score=-7.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, UPPERCASE_50_75,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 419D1C3A59B for ; Fri, 30 Aug 2019 15:44:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1D3B721897 for ; Fri, 30 Aug 2019 15:44:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728499AbfH3Pog (ORCPT ); Fri, 30 Aug 2019 11:44:36 -0400 Received: from foss.arm.com ([217.140.110.172]:34222 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728072AbfH3Pof (ORCPT ); Fri, 30 Aug 2019 11:44:35 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 9728F344; Fri, 30 Aug 2019 08:44:34 -0700 (PDT) Received: from [10.1.197.57] (e110467-lin.cambridge.arm.com [10.1.197.57]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 87CB03F703; Fri, 30 Aug 2019 08:44:32 -0700 (PDT) Subject: Re: [PATCH 6/7] arm64: tegra: Add DT node for T194 SMMU To: Krishna Reddy Cc: snikam@nvidia.com, thomasz@nvidia.com, jtukkinen@nvidia.com, mperttunen@nvidia.com, praithatha@nvidia.com, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, talho@nvidia.com, yhsu@nvidia.com, linux-tegra@vger.kernel.org, treding@nvidia.com, avanbrunt@nvidia.com, linux-arm-kernel@lists.infradead.org References: <1567118827-26358-1-git-send-email-vdumpa@nvidia.com> <1567118827-26358-7-git-send-email-vdumpa@nvidia.com> From: Robin Murphy Message-ID: Date: Fri, 30 Aug 2019 16:44:31 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <1567118827-26358-7-git-send-email-vdumpa@nvidia.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-GB Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 29/08/2019 23:47, Krishna Reddy wrote: > Add DT node for T194 SMMU to enable SMMU support. > > Signed-off-by: Krishna Reddy > --- > arch/arm64/boot/dts/nvidia/tegra194.dtsi | 75 ++++++++++++++++++++++++++++++++ > 1 file changed, 75 insertions(+) > > diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi > index d906958..ad509bb 100644 > --- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi > +++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi > @@ -1401,6 +1401,81 @@ > 0x82000000 0x0 0x40000000 0x1f 0x40000000 0x0 0xc0000000>; /* non-prefetchable memory (3GB) */ > }; > > + smmu: iommu@12000000 { > + compatible = "nvidia,smmu-v2"; > + reg = <0 0x12000000 0 0x800000>, > + <0 0x11000000 0 0x800000>, > + <0 0x10000000 0 0x800000>; > + interrupts = , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + , > + ; > + stream-match-mask = <0x7f80>; > + #global-interrupts = <1>; Shouldn't that be 3? Robin. > + #iommu-cells = <1>; > + }; > + > sysram@40000000 { > compatible = "nvidia,tegra194-sysram", "mmio-sram"; > reg = <0x0 0x40000000 0x0 0x50000>; >