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Mon, 20 Jul 2020 16:16:23 -0700 (PDT) Received: from xps15 ([64.188.179.252]) by smtp.gmail.com with ESMTPSA id h11sm9515742ilh.69.2020.07.20.16.16.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Jul 2020 16:16:22 -0700 (PDT) Received: (nullmailer pid 3136375 invoked by uid 1000); Mon, 20 Jul 2020 23:16:21 -0000 Date: Mon, 20 Jul 2020 17:16:21 -0600 From: Rob Herring To: Yong Wu Subject: Re: [PATCH 04/21] dt-binding: mediatek: Add binding for mt8192 IOMMU and SMI Message-ID: <20200720231621.GA3106350@bogus> References: <20200711064846.16007-1-yong.wu@mediatek.com> <20200711064846.16007-5-yong.wu@mediatek.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200711064846.16007-5-yong.wu@mediatek.com> Cc: youlin.pei@mediatek.com, devicetree@vger.kernel.org, Nicolas Boichat , cui.zhang@mediatek.com, srv_heupstream@mediatek.com, chao.hao@mediatek.com, Robin Murphy , linux-kernel@vger.kernel.org, Evan Green , Tomasz Figa , iommu@lists.linux-foundation.org, linux-mediatek@lists.infradead.org, Matthias Brugger , ming-fan.chen@mediatek.com, anan.sun@mediatek.com, Will Deacon , linux-arm-kernel@lists.infradead.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On Sat, Jul 11, 2020 at 02:48:29PM +0800, Yong Wu wrote: > This patch adds decriptions for mt8192 IOMMU and SMI. > > mt8192 also is MTK IOMMU gen2 which uses ARM Short-Descriptor translation > table format. The M4U-SMI HW diagram is as below: > > EMI > | > M4U > | > ------------ > SMI Common > ------------ > | > +-------+------+------+----------------------+-------+ > | | | | ...... | | > | | | | | | > larb0 larb1 larb2 larb4 ...... larb19 larb20 > disp0 disp1 mdp vdec IPE IPE > > All the connections are HW fixed, SW can NOT adjust it. > > mt8192 M4U support 0~16GB iova range. we preassign different engines > into different iova ranges: > > domain-id module iova-range larbs > 0 disp 0 ~ 4G larb0/1 > 1 vcodec 4G ~ 8G larb4/5/7 > 2 cam/mdp 8G ~ 12G larb2/9/11/13/14/16/17/18/19/20 > 3 CCU0 0x4000_0000 ~ 0x43ff_ffff larb13: port 9/10 > 4 CCU1 0x4400_0000 ~ 0x47ff_ffff larb14: port 4/5 You probably want to use dma-ranges for defining these address restrictions. How is the domain-id used or needed? Rob _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu 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=-4.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no 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 C9973C433E6 for ; Mon, 20 Jul 2020 23:16:35 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 95E102065E for ; Mon, 20 Jul 2020 23:16:35 +0000 (UTC) Authentication-Results: mail.kernel.org; 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Mon, 20 Jul 2020 16:16:23 -0700 (PDT) Received: from xps15 ([64.188.179.252]) by smtp.gmail.com with ESMTPSA id h11sm9515742ilh.69.2020.07.20.16.16.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Jul 2020 16:16:22 -0700 (PDT) Received: (nullmailer pid 3136375 invoked by uid 1000); Mon, 20 Jul 2020 23:16:21 -0000 Date: Mon, 20 Jul 2020 17:16:21 -0600 From: Rob Herring To: Yong Wu Subject: Re: [PATCH 04/21] dt-binding: mediatek: Add binding for mt8192 IOMMU and SMI Message-ID: <20200720231621.GA3106350@bogus> References: <20200711064846.16007-1-yong.wu@mediatek.com> <20200711064846.16007-5-yong.wu@mediatek.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200711064846.16007-5-yong.wu@mediatek.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200720_191624_090467_AECC00D2 X-CRM114-Status: GOOD ( 10.51 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: youlin.pei@mediatek.com, devicetree@vger.kernel.org, Nicolas Boichat , cui.zhang@mediatek.com, srv_heupstream@mediatek.com, chao.hao@mediatek.com, Robin Murphy , Joerg Roedel , linux-kernel@vger.kernel.org, Evan Green , Tomasz Figa , iommu@lists.linux-foundation.org, linux-mediatek@lists.infradead.org, Matthias Brugger , ming-fan.chen@mediatek.com, anan.sun@mediatek.com, Will Deacon , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On Sat, Jul 11, 2020 at 02:48:29PM +0800, Yong Wu wrote: > This patch adds decriptions for mt8192 IOMMU and SMI. > > mt8192 also is MTK IOMMU gen2 which uses ARM Short-Descriptor translation > table format. The M4U-SMI HW diagram is as below: > > EMI > | > M4U > | > ------------ > SMI Common > ------------ > | > +-------+------+------+----------------------+-------+ > | | | | ...... | | > | | | | | | > larb0 larb1 larb2 larb4 ...... larb19 larb20 > disp0 disp1 mdp vdec IPE IPE > > All the connections are HW fixed, SW can NOT adjust it. > > mt8192 M4U support 0~16GB iova range. we preassign different engines > into different iova ranges: > > domain-id module iova-range larbs > 0 disp 0 ~ 4G larb0/1 > 1 vcodec 4G ~ 8G larb4/5/7 > 2 cam/mdp 8G ~ 12G larb2/9/11/13/14/16/17/18/19/20 > 3 CCU0 0x4000_0000 ~ 0x43ff_ffff larb13: port 9/10 > 4 CCU1 0x4400_0000 ~ 0x47ff_ffff larb14: port 4/5 You probably want to use dma-ranges for defining these address restrictions. How is the domain-id used or needed? Rob _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek 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=-4.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no 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 692B1C433DF for ; Mon, 20 Jul 2020 23:18:07 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 30D32208E4 for ; Mon, 20 Jul 2020 23:18:07 +0000 (UTC) Authentication-Results: mail.kernel.org; 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Mon, 20 Jul 2020 16:16:23 -0700 (PDT) Received: from xps15 ([64.188.179.252]) by smtp.gmail.com with ESMTPSA id h11sm9515742ilh.69.2020.07.20.16.16.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Jul 2020 16:16:22 -0700 (PDT) Received: (nullmailer pid 3136375 invoked by uid 1000); Mon, 20 Jul 2020 23:16:21 -0000 Date: Mon, 20 Jul 2020 17:16:21 -0600 From: Rob Herring To: Yong Wu Subject: Re: [PATCH 04/21] dt-binding: mediatek: Add binding for mt8192 IOMMU and SMI Message-ID: <20200720231621.GA3106350@bogus> References: <20200711064846.16007-1-yong.wu@mediatek.com> <20200711064846.16007-5-yong.wu@mediatek.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200711064846.16007-5-yong.wu@mediatek.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200720_191624_090467_AECC00D2 X-CRM114-Status: GOOD ( 10.51 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: youlin.pei@mediatek.com, devicetree@vger.kernel.org, Nicolas Boichat , cui.zhang@mediatek.com, srv_heupstream@mediatek.com, chao.hao@mediatek.com, Robin Murphy , Joerg Roedel , linux-kernel@vger.kernel.org, Evan Green , Tomasz Figa , iommu@lists.linux-foundation.org, linux-mediatek@lists.infradead.org, Matthias Brugger , ming-fan.chen@mediatek.com, anan.sun@mediatek.com, Will Deacon , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sat, Jul 11, 2020 at 02:48:29PM +0800, Yong Wu wrote: > This patch adds decriptions for mt8192 IOMMU and SMI. > > mt8192 also is MTK IOMMU gen2 which uses ARM Short-Descriptor translation > table format. The M4U-SMI HW diagram is as below: > > EMI > | > M4U > | > ------------ > SMI Common > ------------ > | > +-------+------+------+----------------------+-------+ > | | | | ...... | | > | | | | | | > larb0 larb1 larb2 larb4 ...... larb19 larb20 > disp0 disp1 mdp vdec IPE IPE > > All the connections are HW fixed, SW can NOT adjust it. > > mt8192 M4U support 0~16GB iova range. we preassign different engines > into different iova ranges: > > domain-id module iova-range larbs > 0 disp 0 ~ 4G larb0/1 > 1 vcodec 4G ~ 8G larb4/5/7 > 2 cam/mdp 8G ~ 12G larb2/9/11/13/14/16/17/18/19/20 > 3 CCU0 0x4000_0000 ~ 0x43ff_ffff larb13: port 9/10 > 4 CCU1 0x4400_0000 ~ 0x47ff_ffff larb14: port 4/5 You probably want to use dma-ranges for defining these address restrictions. How is the domain-id used or needed? Rob _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel 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=-4.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no 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 6DDB5C433E2 for ; Mon, 20 Jul 2020 23:16:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 47E9822B4E for ; Mon, 20 Jul 2020 23:16:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595286985; bh=UBL56L6DvPiSUqINrljfh24/NIVhD1aet891CEeilBs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=Vg5MC50HOR6N1FkjjJb1UK4LCXJFamuOyHLc4Zxrc6hx3uCxiGo3p7e5xCXOnIQqa EDvabLCXaiG7zGy6UivH/WHaLSKbnGdQhFlhaLI1eJyp6HHKln4lvmTGasbqRUvW8x rljyPhOqg5kX1ToYrMngY7xEYKqMGjGA7ACgbuSk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726611AbgGTXQY (ORCPT ); Mon, 20 Jul 2020 19:16:24 -0400 Received: from mail-il1-f193.google.com ([209.85.166.193]:35236 "EHLO mail-il1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726383AbgGTXQY (ORCPT ); Mon, 20 Jul 2020 19:16:24 -0400 Received: by mail-il1-f193.google.com with SMTP id t18so14802832ilh.2; Mon, 20 Jul 2020 16:16:23 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=rvvIyeI/O+OX0a15wh7KP70spFPqxmPPVr5citgRAhs=; b=UGRCgJKNn13PfCTux4RmUX76QQ2o+k/hYpeKsNN4ElZD1tFH4ZIdgdk3cc2d+dVOo0 EtNQk4tJRjFUJgan/MLfysa2fDdBO78xvSn+LBZbkc0a2/QTO+G3VP0ngHkmwnc/UXlB PLGAOaOPDREGvljzxBNHoTikcbjZkkTOVuK+PYBhfqvCAq0Q1pVLljgZrxmWe/kbajie QWTyBUFefStViyF0V89DgHY8SZjm2sx+EnlEmlLH4LxzVe8wkieflQxXhFy9syucvAXU eI6jo1ggu4f3kWIywuhiENLIgpUuDeYRlNV/7/FFcxUhduAof85Fe4ZqoepTULtH3OqD z/Bg== X-Gm-Message-State: AOAM5334kGTIHEixfxqawB0/Kv/xOyiwo+zK22i2OJO94JRgZJnNY+HO 4yA/xikqaG8JPqAR/3CvgA== X-Google-Smtp-Source: ABdhPJyshFo0omA3xHohlTk0hyWSZGLg6Id03dPze2mNf5c56JFT/g2414OvfN4EWj1udjb5SIybmw== X-Received: by 2002:a92:3407:: with SMTP id b7mr17598958ila.66.1595286983360; Mon, 20 Jul 2020 16:16:23 -0700 (PDT) Received: from xps15 ([64.188.179.252]) by smtp.gmail.com with ESMTPSA id h11sm9515742ilh.69.2020.07.20.16.16.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Jul 2020 16:16:22 -0700 (PDT) Received: (nullmailer pid 3136375 invoked by uid 1000); Mon, 20 Jul 2020 23:16:21 -0000 Date: Mon, 20 Jul 2020 17:16:21 -0600 From: Rob Herring To: Yong Wu Cc: Joerg Roedel , Matthias Brugger , Robin Murphy , Will Deacon , Evan Green , Tomasz Figa , linux-mediatek@lists.infradead.org, srv_heupstream@mediatek.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux-foundation.org, youlin.pei@mediatek.com, Nicolas Boichat , anan.sun@mediatek.com, cui.zhang@mediatek.com, chao.hao@mediatek.com, ming-fan.chen@mediatek.com Subject: Re: [PATCH 04/21] dt-binding: mediatek: Add binding for mt8192 IOMMU and SMI Message-ID: <20200720231621.GA3106350@bogus> References: <20200711064846.16007-1-yong.wu@mediatek.com> <20200711064846.16007-5-yong.wu@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200711064846.16007-5-yong.wu@mediatek.com> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Sat, Jul 11, 2020 at 02:48:29PM +0800, Yong Wu wrote: > This patch adds decriptions for mt8192 IOMMU and SMI. > > mt8192 also is MTK IOMMU gen2 which uses ARM Short-Descriptor translation > table format. The M4U-SMI HW diagram is as below: > > EMI > | > M4U > | > ------------ > SMI Common > ------------ > | > +-------+------+------+----------------------+-------+ > | | | | ...... | | > | | | | | | > larb0 larb1 larb2 larb4 ...... larb19 larb20 > disp0 disp1 mdp vdec IPE IPE > > All the connections are HW fixed, SW can NOT adjust it. > > mt8192 M4U support 0~16GB iova range. we preassign different engines > into different iova ranges: > > domain-id module iova-range larbs > 0 disp 0 ~ 4G larb0/1 > 1 vcodec 4G ~ 8G larb4/5/7 > 2 cam/mdp 8G ~ 12G larb2/9/11/13/14/16/17/18/19/20 > 3 CCU0 0x4000_0000 ~ 0x43ff_ffff larb13: port 9/10 > 4 CCU1 0x4400_0000 ~ 0x47ff_ffff larb14: port 4/5 You probably want to use dma-ranges for defining these address restrictions. How is the domain-id used or needed? Rob