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=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED,USER_AGENT_GIT 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 37327C433E1 for ; Mon, 29 Jun 2020 07:14:37 +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 0222D2332B for ; Mon, 29 Jun 2020 07:14:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="n+PWgT6A"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="Kf11B4z/" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0222D2332B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:To:From: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=77RrKy4UAcbZ68Nhh9qURVKnoFHCwLFTyziRq+xxEjw=; b=n+PWgT6AFsjLGyAk6FIqNMZj3j Qek1Dwnfw+a0el8g/ORMn/smv7DFeGjL3RRuLk1da8/W+3C3T+A0blozKqmYRyb28rpfAXtXwEtIT n6RCLaRCWTsvfcVVjd0DfCChCRsielU+sr1WfKlVBMI6yo3VFqRNu/9Suy276u1i2GmNE3oDCVgnQ aAFB/raXNvTYAu3fmY+Dd1VpiLIPnLJzltaJMVklcaOri2/VCwWbK++lZnNVxpBJKEcA8g7kr8B5e RUNxlOBjZQCV4f8b70OxqqpnUExl1Z8WkblGvGQWmD7sE7duIL0Dcj6Iwf3N7LlFiaXitdm5OFyAa TDb6/BpQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jpnzk-0007jt-ON; Mon, 29 Jun 2020 07:14:24 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jpnzh-0007jB-Nb; Mon, 29 Jun 2020 07:14:22 +0000 X-UUID: f22ad920f9384855b08b9cf8d0eb657b-20200628 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=eQSffpyY3QwD6v9nyZvoSuQ+Lu76geQsw/vxH4WGBnE=; b=Kf11B4z/+Imfoj75543OrjLE5xE2OKbJ6PXQh67A8TpGIr/svPPhIbMFTO08NLS1WKAgjS5iPxUfUvReksyIZJDrPvg7xgcm3CfKyY8xdrGQJCsJT51HanqVeWkh2bRQBZWn7DCFQ4KtC3glO2k2wIgxuMy7Yo2nyBUPvLJa1Zo=; X-UUID: f22ad920f9384855b08b9cf8d0eb657b-20200628 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1815368971; Sun, 28 Jun 2020 23:14:10 -0800 Received: from MTKMBS01N2.mediatek.inc (172.21.101.79) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 29 Jun 2020 00:14:11 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs01n2.mediatek.inc (172.21.101.79) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 29 Jun 2020 15:14:07 +0800 Received: from localhost.localdomain (10.15.20.246) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 29 Jun 2020 15:14:07 +0800 From: Chao Hao To: Joerg Roedel , Rob Herring , "Matthias Brugger" Subject: [PATCH v5 00/10] MT6779 IOMMU SUPPORT Date: Mon, 29 Jun 2020 15:13:00 +0800 Message-ID: <20200629071310.1557-1-chao.hao@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-TM-SNTS-SMTP: EB340D25FCF0995099D65A6A691B61DC50D13EB1B663B4F80CE82A4AA1C94A382000:8 X-MTK: N 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: devicetree@vger.kernel.org, FY Yang , wsd_upstream@mediatek.com, linux-kernel@vger.kernel.org, Evan Green , Chao Hao , iommu@lists.linux-foundation.org, linux-mediatek@lists.infradead.org, Yong Wu , 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 This patchset adds mt6779 iommu support. mt6779 has two iommus, they are MM_IOMMU(M4U) and APU_IOMMU which used ARM Short-Descriptor translation format. The mt6779's MM_IOMMU-SMI and APU_IOMMU HW diagram is as below, it is only a brief diagram: EMI | -------------------------------------- | | MM_IOMMU APU_IOMMU | | SMI_COMMOM----------- APU_BUS | | | SMI_LARB(0~11) | | | | | | | -------------- | | | | | Multimedia engine CCU VPU MDLA EMDA All the connections are hardware fixed, software can not adjust it. Compared with mt8183, SMI_BUS_ID width has changed from 10 to 12. SMI Larb number is described in bit[11:7], Port number is described in bit[6:2]. In addition, there are some registers has changed in mt6779, so we need to redefine and reuse them. The patchset only used MM_IOMMU, so we only add MM_IOMMU basic function, such as smi_larb port definition, registers definition and hardware initialization. change notes: v5: 1. Split "iommu/mediatek: Add mt6779 IOMMU basic support(patch v4)" to three patches(from PATCH v5 08/10 to PATCH v5 10/10). 2. Use macro definitions to replace bool values in mtk_iommu_plat_data structure v4: 1. Rebase on v5.8-rc1. 2. Fix coding style. 3. Add F_MMU_IN_DRDER_WR_EN definition in MISC_CTRL to improve performance. https://lkml.org/lkml/2020/6/16/1741 v3: 1. Rebase on v5.7-rc1. 2. Remove unused port definition,ex:APU and CCU port in mt6779-larb-port.h. 3. Remove "change single domain to multiple domain" part(from PATCH v2 09/19 to PATCH v2 19/19). 4. Redesign mt6779 basic part (1)Add some register definition and reuse them. (2)Redesign smi larb bus ID to analyze IOMMU translation fault. (3)Only init MM_IOMMU and not use APU_IOMMU. http://lists.infradead.org/pipermail/linux-mediatek/2020-May/029811.html v2: 1. Rebase on v5.5-rc1. 2. Delete M4U_PORT_UNKNOWN define because of not use it. 3. Correct coding format. 4. Rename offset=0x48 register. 5. Split "iommu/mediatek: Add mt6779 IOMMU basic support(patch v1)" to several patches(patch v2). http://lists.infradead.org/pipermail/linux-mediatek/2020-January/026131.html v1: http://lists.infradead.org/pipermail/linux-mediatek/2019-November/024567.html Chao Hao (10): dt-bindings: mediatek: Add bindings for MT6779 iommu/mediatek: Rename the register STANDARD_AXI_MODE(0x48) to MISC_CTRL iommu/mediatek: Modify the usage of mtk_iommu_plat_data structure iommu/mediatek: Setting MISC_CTRL register iommu/mediatek: Move inv_sel_reg into the plat_data iommu/mediatek: Add sub_comm id in translation fault iommu/mediatek: Add REG_MMU_WR_LEN register definition iommu/mediatek: Extend protect pa alignment value iommu/mediatek: Modify MMU_CTRL register setting iommu/mediatek: Add mt6779 basic support .../bindings/iommu/mediatek,iommu.txt | 2 + drivers/iommu/mtk_iommu.c | 100 ++++++--- drivers/iommu/mtk_iommu.h | 26 ++- include/dt-bindings/memory/mt6779-larb-port.h | 206 ++++++++++++++++++ include/soc/mediatek/smi.h | 2 + 5 files changed, 299 insertions(+), 37 deletions(-) -- 2.18.0 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek