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=-3.8 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,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 4AAFAC28CBC for ; Sat, 9 May 2020 08:40:18 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 1507B24957 for ; Sat, 9 May 2020 08:40:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Otzy6axJ"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="Jte3LpSy" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1507B24957 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-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.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=wS8IvlG5Ujo6+CPSfc8irdk8priNX2Soxy6M5iiE7F8=; b=Otzy6axJZqkMNQ V0kEWXwIBs43VXX7RX25M77dEg4/Uec2QpLsQXun1uQY/+zsadASGYr4ABoA+SlP9s2+L+SkgF+8n kKljSDa8TbaWqJ+yQhqw1Yh4dTWytkYsTkh8irVcrUnxzvezFcmztWU+OKqN2P5rsZ0ewPkuD757j /jBVEncCtrGNJf9g9wigaqdwgfcPZVRMPtiVk0R+ZiU6FnT0lOZbaX+Fxo4oHwPq8SJQEjEQWv9zt aj4LKzCPkbTpniWUgth2P/qjp5SZpPHJ5kSAxMdFjaqEWd0x/t9ypP+TCm2+oSMYKrUWi7aPigwXV h3MsQXOPGpUJMis4JG8A==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jXL1p-0003sD-Dy; Sat, 09 May 2020 08:40:13 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jXL1k-0002gI-HB; Sat, 09 May 2020 08:40:10 +0000 X-UUID: 18fa9128f38e4878bda4b48957e7321a-20200509 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=8cJ2Ck2ZkeoyWBaJou7BzsCQTavbcjr0MJiOjUbB1nM=; b=Jte3LpSy0oHGF5A97JMTTFZbahJ0bK2rPOex9c4JTQUtf2A+nUwSqCI2TULzEbpJJbxQMnDPnoZ1yKxQckwaDXrslIxB2qacx+UdXS/g/4z9CNnTh7krqg+GXMmFDWp8rTBwgVilTRk9ywoiaSTZO9oa+X67oLSwnTMZb0BYNpU=; X-UUID: 18fa9128f38e4878bda4b48957e7321a-20200509 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1577048953; Sat, 09 May 2020 00:39:57 -0800 Received: from MTKMBS01N2.mediatek.inc (172.21.101.79) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 9 May 2020 01:40:00 -0700 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs01n2.mediatek.inc (172.21.101.79) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 9 May 2020 16:39:59 +0800 Received: from localhost.localdomain (10.15.20.246) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Sat, 9 May 2020 16:39:57 +0800 From: Chao Hao To: Joerg Roedel , Rob Herring , Matthias Brugger Subject: [PATCH v3 00/07] MT6779 IOMMU SUPPORT Date: Sat, 9 May 2020 16:36:47 +0800 Message-ID: <20200509083654.5178-1-chao.hao@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-TM-SNTS-SMTP: 787C31370C7B63E58BF1FD368BE1E5CDBF48371E6A6CE604E182B13E85A5061A2000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200509_014008_604694_6315BDD7 X-CRM114-Status: UNSURE ( 7.69 ) X-CRM114-Notice: Please train this message. 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: devicetree@vger.kernel.org, FY Yang , wsd_upstream@mediatek.com, linux-kernel@vger.kernel.org, Chao Hao , iommu@lists.linux-foundation.org, linux-mediatek@lists.infradead.org, Yong Wu , Jun Yan , 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+infradead-linux-arm-kernel=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: 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. 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 (7): dt-bindings: mediatek: Add bindings for MT6779 iommu/mediatek: Rename the register STANDARD_AXI_MODE(0x48) to MISC_CTRL iommu/mediatek: Disable STANDARD_AXI_MODE in MISC_CTRL 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 definition preparing for mt6779 iommu/mediatek: Add mt6779 basic support .../bindings/iommu/mediatek,iommu.txt | 2 + drivers/iommu/mtk_iommu.c | 77 +++++-- drivers/iommu/mtk_iommu.h | 10 +- include/dt-bindings/memory/mt6779-larb-port.h | 206 ++++++++++++++++++ 4 files changed, 273 insertions(+), 22 deletions(-) -- 2.18.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel