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=DKIM_INVALID,DKIM_SIGNED, 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 C7BD8C433E4 for ; Fri, 3 Jul 2020 04:42:52 +0000 (UTC) Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (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 92DA020772 for ; Fri, 3 Jul 2020 04:42:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="ZjT78N6i" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 92DA020772 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id 5991388CA6; Fri, 3 Jul 2020 04:42:52 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id qDtqDBqvtpcd; Fri, 3 Jul 2020 04:42:49 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by whitealder.osuosl.org (Postfix) with ESMTP id A30BF88B74; Fri, 3 Jul 2020 04:42:49 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 8AE90C0890; Fri, 3 Jul 2020 04:42:49 +0000 (UTC) Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) by lists.linuxfoundation.org (Postfix) with ESMTP id 557A5C0733 for ; Fri, 3 Jul 2020 04:42:47 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id 3448C88C3D for ; Fri, 3 Jul 2020 04:42:47 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id K3e97YWL83n8 for ; Fri, 3 Jul 2020 04:42:45 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by whitealder.osuosl.org (Postfix) with ESMTP id C347188B74 for ; Fri, 3 Jul 2020 04:42:44 +0000 (UTC) X-UUID: 45ba3959e2f342d1a181344edd2741a5-20200703 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=fOIE/14eP5QaMvpr+A/0WJuqIjmfhZZCLzsc96MbxFk=; b=ZjT78N6ixAU4ZbgDzhdJuF4w9u3mwOYxJboOCzv1EGJeF3ZqEJz1L0tiCU4EQ6cZyb0qt0KO7j2WJ+Nj6VxDZVEEioyHv2MAhT/Jiy7d5YZ9V8LwJIm1K+TTRctdi7tljk8yNmeYtD86fDc8r3uYwt0LEaeEOAxs0pIG4uwOQaI=; X-UUID: 45ba3959e2f342d1a181344edd2741a5-20200703 Received: from mtkcas06.mediatek.inc [(172.21.101.30)] by mailgw02.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 1942315213; Fri, 03 Jul 2020 12:42:42 +0800 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; Fri, 3 Jul 2020 12:42:37 +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; Fri, 3 Jul 2020 12:42:33 +0800 From: Chao Hao To: Joerg Roedel , Rob Herring , Matthias Brugger Subject: [PATCH v6 00/10] MT6779 IOMMU SUPPORT Date: Fri, 3 Jul 2020 12:41:17 +0800 Message-ID: <20200703044127.27438-1-chao.hao@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-TM-SNTS-SMTP: E4EE501486CFE45934E76861F54A424896840F7B4C9AC2ECB55F96F8AE402C6E2000:8 X-MTK: N Cc: devicetree@vger.kernel.org, FY Yang , wsd_upstream@mediatek.com, linux-kernel@vger.kernel.org, Chao Hao , iommu@lists.linux-foundation.org, TH Yang , linux-mediatek@lists.infradead.org, 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" 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: v6: 1. Fix build error for "PATCH v5 02/10". 2. Use more precise definitions and commit messages. 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 http://lists.infradead.org/pipermail/linux-mediatek/2020-June/013586.html 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: Use a u32 flags to describe different HW features 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_CTRL 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 | 110 +++++++--- drivers/iommu/mtk_iommu.h | 20 +- include/dt-bindings/memory/mt6779-larb-port.h | 206 ++++++++++++++++++ 4 files changed, 299 insertions(+), 39 deletions(-) -- 2.18.0 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu