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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 85ED2C32751 for ; Sat, 10 Aug 2019 07:59:29 +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 572EA208C4 for ; Sat, 10 Aug 2019 07:59:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="NKA0m0fM" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 572EA208C4 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:References:In-Reply-To: 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: List-Owner; bh=9hZC5h6tZpQIbkACBnsgMqY9gszoy/a3ziZsUM+u7FU=; b=NKA0m0fMBUPuyD M3bccY7zoEMS/ejNdUrWmdX0SmFXVGQ5GPItJhc/iTou5cX4K3E6TK2uXZAG74Od28IOYtcpBBj3j YNxVQMR0r6ftrlN7VFlkwlY0H9c61Sc/8U4U1psPya9/AehLSlA+Qp46WiTOp2U3Y0wdtv0c7xsTi vY5Kculypa5ZGzeElAwUpVJ9uV6ADd7PVFVQL4+7Np9xQNecL4uCn3BaytJiHuihrlP7d0nFQrMpm fvXJa1MkIzw2orbfzNnjTA999OdbpQu0vNGVYFMfztXnN279EVK/g04UDf7lb3Q6CLGAadLcAetgf UXk7K9b3cMhUV6GweK3Q==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hwMHg-000426-Jy; Sat, 10 Aug 2019 07:59:28 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hwMHa-0003ue-U5; Sat, 10 Aug 2019 07:59:25 +0000 X-UUID: ebbc8457fa3a4490838f4089cc265bda-20190809 X-UUID: ebbc8457fa3a4490838f4089cc265bda-20190809 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 432116586; Fri, 09 Aug 2019 23:59:15 -0800 Received: from mtkmbs07n1.mediatek.inc (172.21.101.16) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Sat, 10 Aug 2019 00:59:13 -0700 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Sat, 10 Aug 2019 15:59:12 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Sat, 10 Aug 2019 15:59:10 +0800 From: Yong Wu To: Joerg Roedel , Matthias Brugger , Robin Murphy , Will Deacon Subject: [PATCH v9 02/21] iommu/mediatek: Use a struct as the platform data Date: Sat, 10 Aug 2019 15:58:02 +0800 Message-ID: <1565423901-17008-3-git-send-email-yong.wu@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1565423901-17008-1-git-send-email-yong.wu@mediatek.com> References: <1565423901-17008-1-git-send-email-yong.wu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190810_005923_548025_6182AE4E X-CRM114-Status: GOOD ( 13.02 ) 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, linux-kernel@vger.kernel.org, Evan Green , Tomasz Figa , iommu@lists.linux-foundation.org, Rob Herring , linux-mediatek@lists.infradead.org, yong.wu@mediatek.com, ming-fan.chen@mediatek.com, anan.sun@mediatek.com, Matthias Kaehlcke , 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 Use a struct as the platform special data instead of the enumeration. This is a prepare patch for adding mt8183 iommu support. Signed-off-by: Yong Wu Reviewed-by: Matthias Brugger Reviewed-by: Evan Green --- drivers/iommu/mtk_iommu.c | 24 ++++++++++++++++-------- drivers/iommu/mtk_iommu.h | 6 +++++- 2 files changed, 21 insertions(+), 9 deletions(-) diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 82e4be4..c6e6dc3 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -46,7 +46,7 @@ #define REG_MMU_CTRL_REG 0x110 #define F_MMU_PREFETCH_RT_REPLACE_MOD BIT(4) #define F_MMU_TF_PROTECT_SEL_SHIFT(data) \ - ((data)->m4u_plat == M4U_MT2712 ? 4 : 5) + ((data)->plat_data->m4u_plat == M4U_MT2712 ? 4 : 5) /* It's named by F_MMU_TF_PROT_SEL in mt2712. */ #define F_MMU_TF_PROTECT_SEL(prot, data) \ (((prot) & 0x3) << F_MMU_TF_PROTECT_SEL_SHIFT(data)) @@ -512,7 +512,7 @@ static int mtk_iommu_hw_init(const struct mtk_iommu_data *data) } regval = F_MMU_TF_PROTECT_SEL(2, data); - if (data->m4u_plat == M4U_MT8173) + if (data->plat_data->m4u_plat == M4U_MT8173) regval |= F_MMU_PREFETCH_RT_REPLACE_MOD; writel_relaxed(regval, data->base + REG_MMU_CTRL_REG); @@ -533,14 +533,14 @@ static int mtk_iommu_hw_init(const struct mtk_iommu_data *data) F_INT_PRETETCH_TRANSATION_FIFO_FAULT; writel_relaxed(regval, data->base + REG_MMU_INT_MAIN_CONTROL); - if (data->m4u_plat == M4U_MT8173) + if (data->plat_data->m4u_plat == M4U_MT8173) regval = (data->protect_base >> 1) | (data->enable_4GB << 31); else regval = lower_32_bits(data->protect_base) | upper_32_bits(data->protect_base); writel_relaxed(regval, data->base + REG_MMU_IVRP_PADDR); - if (data->enable_4GB && data->m4u_plat != M4U_MT8173) { + if (data->enable_4GB && data->plat_data->m4u_plat != M4U_MT8173) { /* * If 4GB mode is enabled, the validate PA range is from * 0x1_0000_0000 to 0x1_ffff_ffff. here record bit[32:30]. @@ -551,7 +551,7 @@ static int mtk_iommu_hw_init(const struct mtk_iommu_data *data) writel_relaxed(0, data->base + REG_MMU_DCM_DIS); /* It's MISC control register whose default value is ok except mt8173.*/ - if (data->m4u_plat == M4U_MT8173) + if (data->plat_data->m4u_plat == M4U_MT8173) writel_relaxed(0, data->base + REG_MMU_STANDARD_AXI_MODE); if (devm_request_irq(data->dev, data->irq, mtk_iommu_isr, 0, @@ -584,7 +584,7 @@ static int mtk_iommu_probe(struct platform_device *pdev) if (!data) return -ENOMEM; data->dev = dev; - data->m4u_plat = (enum mtk_iommu_plat)of_device_get_match_data(dev); + data->plat_data = of_device_get_match_data(dev); /* Protect memory. HW will access here while translation fault.*/ protect = devm_kzalloc(dev, MTK_PROTECT_PA_ALIGN * 2, GFP_KERNEL); @@ -732,9 +732,17 @@ static int __maybe_unused mtk_iommu_resume(struct device *dev) SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(mtk_iommu_suspend, mtk_iommu_resume) }; +static const struct mtk_iommu_plat_data mt2712_data = { + .m4u_plat = M4U_MT2712, +}; + +static const struct mtk_iommu_plat_data mt8173_data = { + .m4u_plat = M4U_MT8173, +}; + static const struct of_device_id mtk_iommu_of_ids[] = { - { .compatible = "mediatek,mt2712-m4u", .data = (void *)M4U_MT2712}, - { .compatible = "mediatek,mt8173-m4u", .data = (void *)M4U_MT8173}, + { .compatible = "mediatek,mt2712-m4u", .data = &mt2712_data}, + { .compatible = "mediatek,mt8173-m4u", .data = &mt8173_data}, {} }; diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h index 59337323..9725b08 100644 --- a/drivers/iommu/mtk_iommu.h +++ b/drivers/iommu/mtk_iommu.h @@ -32,6 +32,10 @@ enum mtk_iommu_plat { M4U_MT8173, }; +struct mtk_iommu_plat_data { + enum mtk_iommu_plat m4u_plat; +}; + struct mtk_iommu_domain; struct mtk_iommu_data { @@ -48,7 +52,7 @@ struct mtk_iommu_data { bool tlb_flush_active; struct iommu_device iommu; - enum mtk_iommu_plat m4u_plat; + const struct mtk_iommu_plat_data *plat_data; struct list_head list; }; -- 1.9.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel