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=-12.7 required=3.0 tests=BAYES_00, 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=ham 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 EAD4EC388F9 for ; Wed, 11 Nov 2020 12:41:43 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (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 814BF20679 for ; Wed, 11 Nov 2020 12:41:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 814BF20679 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 silver.osuosl.org (Postfix) with ESMTP id 129EC2E0B5; Wed, 11 Nov 2020 12:41:43 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 0kyuVKVlc5K0; Wed, 11 Nov 2020 12:41:40 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by silver.osuosl.org (Postfix) with ESMTP id 1D2C42DE6B; Wed, 11 Nov 2020 12:41:40 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 07925C088B; Wed, 11 Nov 2020 12:41:40 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id 21498C016F for ; Wed, 11 Nov 2020 12:41:39 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id 1D8258755A for ; Wed, 11 Nov 2020 12:41:39 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id PPJPn2-g-Ssi for ; Wed, 11 Nov 2020 12:41:38 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by hemlock.osuosl.org (Postfix) with ESMTP id 753E887559 for ; Wed, 11 Nov 2020 12:41:38 +0000 (UTC) X-UUID: b00b21ee1fa24059895ce7a2b2514d04-20201111 X-UUID: b00b21ee1fa24059895ce7a2b2514d04-20201111 Received: from mtkcas07.mediatek.inc [(172.21.101.84)] by mailgw02.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.14 Build 0819 with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 904370944; Wed, 11 Nov 2020 20:41:37 +0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 11 Nov 2020 20:41:34 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 11 Nov 2020 20:41:34 +0800 From: Yong Wu To: Joerg Roedel , Matthias Brugger , Rob Herring , Will Deacon , Robin Murphy Subject: [PATCH v4 19/24] iommu/mediatek: Support up to 34bit iova in tlb flush Date: Wed, 11 Nov 2020 20:38:33 +0800 Message-ID: <20201111123838.15682-20-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20201111123838.15682-1-yong.wu@mediatek.com> References: <20201111123838.15682-1-yong.wu@mediatek.com> MIME-Version: 1.0 X-MTK: N Cc: youlin.pei@mediatek.com, devicetree@vger.kernel.org, Nicolas Boichat , srv_heupstream@mediatek.com, chao.hao@mediatek.com, kernel-team@android.com, linux-kernel@vger.kernel.org, Evan Green , Tomasz Figa , iommu@lists.linux-foundation.org, linux-mediatek@lists.infradead.org, Krzysztof Kozlowski , anan.sun@mediatek.com, Greg Kroah-Hartman , 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" If the iova is 34bit, the iova[32][33] is the bit0/1 in the tlb flush register. Add a new macro for this. there is a minor change unrelated with this patch. it also use the new macro. Signed-off-by: Yong Wu --- drivers/iommu/mtk_iommu.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 46c9143703a9..11af0780e4dd 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -128,6 +128,9 @@ static const struct iommu_ops mtk_iommu_ops; static int mtk_iommu_hw_init(const struct mtk_iommu_data *data); +#define MTK_IOMMU_ADDR(addr) ({unsigned long _addr = addr; \ + (lower_32_bits(_addr) | upper_32_bits(_addr)); }) + /* * In M4U 4GB mode, the physical address is remapped as below: * @@ -218,8 +221,9 @@ static void mtk_iommu_tlb_flush_range_sync(unsigned long iova, size_t size, writel_relaxed(F_INVLD_EN1 | F_INVLD_EN0, data->base + data->plat_data->inv_sel_reg); - writel_relaxed(iova, data->base + REG_MMU_INVLD_START_A); - writel_relaxed(iova + size - 1, + writel_relaxed(MTK_IOMMU_ADDR(iova), + data->base + REG_MMU_INVLD_START_A); + writel_relaxed(MTK_IOMMU_ADDR(iova + size - 1), data->base + REG_MMU_INVLD_END_A); writel_relaxed(F_MMU_INV_RANGE, data->base + REG_MMU_INVALIDATE); @@ -639,8 +643,7 @@ static int mtk_iommu_hw_init(const struct mtk_iommu_data *data) if (MTK_IOMMU_HAS_FLAG(data->plat_data, HAS_LEGACY_IVRP_PADDR)) regval = (data->protect_base >> 1) | (data->enable_4GB << 31); else - regval = lower_32_bits(data->protect_base) | - upper_32_bits(data->protect_base); + regval = MTK_IOMMU_ADDR(data->protect_base); writel_relaxed(regval, data->base + REG_MMU_IVRP_PADDR); if (data->enable_4GB && -- 2.18.0 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu