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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 EE8E4C10F06 for ; Sun, 17 Feb 2019 09:07:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C724521900 for ; Sun, 17 Feb 2019 09:07:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727373AbfBQJHx (ORCPT ); Sun, 17 Feb 2019 04:07:53 -0500 Received: from mailgw02.mediatek.com ([210.61.82.184]:43370 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1727136AbfBQJHx (ORCPT ); Sun, 17 Feb 2019 04:07:53 -0500 X-UUID: 992f40b48bd74862a61eb496c5489ed8-20190217 X-UUID: 992f40b48bd74862a61eb496c5489ed8-20190217 Received: from mtkcas09.mediatek.inc [(172.21.101.178)] by mailgw02.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 991814477; Sun, 17 Feb 2019 17:07:48 +0800 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs03n1.mediatek.inc (172.21.101.181) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Sun, 17 Feb 2019 17:07:47 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Sun, 17 Feb 2019 17:07:46 +0800 From: Yong Wu To: Joerg Roedel , Matthias Brugger , Robin Murphy , Rob Herring CC: Evan Green , Tomasz Figa , Will Deacon , , , , , , , , , , Nicolas Boichat , , Matthias Kaehlcke Subject: [PATCH v6 08/22] iommu/mediatek: Add larb-id remapped support Date: Sun, 17 Feb 2019 17:04:46 +0800 Message-ID: <1550394300-17420-9-git-send-email-yong.wu@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1550394300-17420-1-git-send-email-yong.wu@mediatek.com> References: <1550394300-17420-1-git-send-email-yong.wu@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The larb-id may be remapped in the smi-common, this means the larb-id reported in the mtk_iommu_isr isn't the real larb-id, Take mt8183 as a example: M4U | --------------------------------------------- | SMI common | -0-----7-----5-----6-----1-----2------3-----4- <- Id remapped | | | | | | | | larb0 larb1 IPU0 IPU1 larb4 larb5 larb6 CCU disp vdec img cam venc img cam As above, larb0 connects with the id 0 in smi-common. larb1 connects with the id 7 in smi-common. ... If the larb-id reported in the isr is 7, actually it's larb1(vdec). In order to output the right larb-id in the isr, we add a larb-id remapping relationship in this patch. If there is no this larb-id remapping in some SoCs, use the linear mapping array instead. This also is a preparing patch for mt8183. Signed-off-by: Yong Wu Reviewed-by: Nicolas Boichat Reviewed-by: Evan Green --- drivers/iommu/mtk_iommu.c | 4 ++++ drivers/iommu/mtk_iommu.h | 2 ++ 2 files changed, 6 insertions(+) diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 685f5d5..3bf7b76 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -220,6 +220,8 @@ static irqreturn_t mtk_iommu_isr(int irq, void *dev_id) fault_larb = F_MMU0_INT_ID_LARB_ID(regval); fault_port = F_MMU0_INT_ID_PORT_ID(regval); + fault_larb = data->plat_data->larbid_remap[fault_larb]; + if (report_iommu_fault(&dom->domain, data->dev, fault_iova, write ? IOMMU_FAULT_WRITE : IOMMU_FAULT_READ)) { dev_err_ratelimited( @@ -740,12 +742,14 @@ static int __maybe_unused mtk_iommu_resume(struct device *dev) .m4u_plat = M4U_MT2712, .has_4gb_mode = true, .has_bclk = true, + .larbid_remap = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, }; static const struct mtk_iommu_plat_data mt8173_data = { .m4u_plat = M4U_MT8173, .has_4gb_mode = true, .has_bclk = true, + .larbid_remap = {0, 1, 2, 3, 4, 5}, /* Linear mapping. */ }; static const struct of_device_id mtk_iommu_of_ids[] = { diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h index b8749ac..eec19a6 100644 --- a/drivers/iommu/mtk_iommu.h +++ b/drivers/iommu/mtk_iommu.h @@ -47,6 +47,8 @@ struct mtk_iommu_plat_data { /* HW will use the EMI clock if there isn't the "bclk". */ bool has_bclk; + + unsigned char larbid_remap[MTK_LARB_NR_MAX]; }; struct mtk_iommu_domain; -- 1.9.1 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yong Wu Subject: [PATCH v6 08/22] iommu/mediatek: Add larb-id remapped support Date: Sun, 17 Feb 2019 17:04:46 +0800 Message-ID: <1550394300-17420-9-git-send-email-yong.wu@mediatek.com> References: <1550394300-17420-1-git-send-email-yong.wu@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1550394300-17420-1-git-send-email-yong.wu@mediatek.com> Sender: linux-kernel-owner@vger.kernel.org To: Joerg Roedel , Matthias Brugger , Robin Murphy , Rob Herring Cc: Evan Green , Tomasz Figa , Will Deacon , linux-mediatek@lists.infradead.org, srv_heupstream@mediatek.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux-foundation.org, yingjoe.chen@mediatek.com, yong.wu@mediatek.com, youlin.pei@mediatek.com, Nicolas Boichat , anan.sun@mediatek.com, Matthias Kaehlcke List-Id: devicetree@vger.kernel.org The larb-id may be remapped in the smi-common, this means the larb-id reported in the mtk_iommu_isr isn't the real larb-id, Take mt8183 as a example: M4U | --------------------------------------------- | SMI common | -0-----7-----5-----6-----1-----2------3-----4- <- Id remapped | | | | | | | | larb0 larb1 IPU0 IPU1 larb4 larb5 larb6 CCU disp vdec img cam venc img cam As above, larb0 connects with the id 0 in smi-common. larb1 connects with the id 7 in smi-common. ... If the larb-id reported in the isr is 7, actually it's larb1(vdec). In order to output the right larb-id in the isr, we add a larb-id remapping relationship in this patch. If there is no this larb-id remapping in some SoCs, use the linear mapping array instead. This also is a preparing patch for mt8183. Signed-off-by: Yong Wu Reviewed-by: Nicolas Boichat Reviewed-by: Evan Green --- drivers/iommu/mtk_iommu.c | 4 ++++ drivers/iommu/mtk_iommu.h | 2 ++ 2 files changed, 6 insertions(+) diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 685f5d5..3bf7b76 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -220,6 +220,8 @@ static irqreturn_t mtk_iommu_isr(int irq, void *dev_id) fault_larb = F_MMU0_INT_ID_LARB_ID(regval); fault_port = F_MMU0_INT_ID_PORT_ID(regval); + fault_larb = data->plat_data->larbid_remap[fault_larb]; + if (report_iommu_fault(&dom->domain, data->dev, fault_iova, write ? IOMMU_FAULT_WRITE : IOMMU_FAULT_READ)) { dev_err_ratelimited( @@ -740,12 +742,14 @@ static int __maybe_unused mtk_iommu_resume(struct device *dev) .m4u_plat = M4U_MT2712, .has_4gb_mode = true, .has_bclk = true, + .larbid_remap = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, }; static const struct mtk_iommu_plat_data mt8173_data = { .m4u_plat = M4U_MT8173, .has_4gb_mode = true, .has_bclk = true, + .larbid_remap = {0, 1, 2, 3, 4, 5}, /* Linear mapping. */ }; static const struct of_device_id mtk_iommu_of_ids[] = { diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h index b8749ac..eec19a6 100644 --- a/drivers/iommu/mtk_iommu.h +++ b/drivers/iommu/mtk_iommu.h @@ -47,6 +47,8 @@ struct mtk_iommu_plat_data { /* HW will use the EMI clock if there isn't the "bclk". */ bool has_bclk; + + unsigned char larbid_remap[MTK_LARB_NR_MAX]; }; struct mtk_iommu_domain; -- 1.9.1 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=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 AE5F4C43381 for ; Sun, 17 Feb 2019 09:09:07 +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 7FDC521900 for ; Sun, 17 Feb 2019 09:09:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="QD6vHrlg" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7FDC521900 Authentication-Results: mail.kernel.org; dmarc=none (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=h0jjnFvKWAyxTpypTTc/e+bE2jKLO0t0k0scNeKpjk0=; b=QD6vHrlgHRzyES NYSdaHFnZ7obSrDxktp+Fl/jmd8fpps7wYXZyvyQVGo8cRgOhmlB7CIqCb1HVzSyJld78tgEoum4D r/b08TCnORgND531uHuAslDc5Fe0ZZb6eP/TmG7Epybfaq5mBgLaG4FygdRiDb25+yqY88D3fWGjD A8PIBZtVgUGxHC4zE0o/bRODQoyH1qnXZUpUamH9VtFZLDeQiOYo10xGwaVJnK4sUmaqnBPPvykI8 YtspsT0VhMzlu9Xy3VN3PreaW2nSW83NzfZTOkudBSR5eXXC+c8B0laxxIH/Q4Yerl+7bgkoYMRKI qsBrZxJ4vawXOowkhBpg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gvIRY-0005lK-87; Sun, 17 Feb 2019 09:09:00 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gvIQo-0004yO-LT; Sun, 17 Feb 2019 09:08:48 +0000 X-UUID: 65356f62d2d6461c95a4360964294f9f-20190217 X-UUID: 65356f62d2d6461c95a4360964294f9f-20190217 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 1313159873; Sun, 17 Feb 2019 01:07:50 -0800 Received: from mtkmbs03n1.mediatek.inc (172.21.101.181) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Sun, 17 Feb 2019 01:07:48 -0800 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs03n1.mediatek.inc (172.21.101.181) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Sun, 17 Feb 2019 17:07:47 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Sun, 17 Feb 2019 17:07:46 +0800 From: Yong Wu To: Joerg Roedel , Matthias Brugger , Robin Murphy , Rob Herring Subject: [PATCH v6 08/22] iommu/mediatek: Add larb-id remapped support Date: Sun, 17 Feb 2019 17:04:46 +0800 Message-ID: <1550394300-17420-9-git-send-email-yong.wu@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1550394300-17420-1-git-send-email-yong.wu@mediatek.com> References: <1550394300-17420-1-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-20190217_010814_960626_DE46A748 X-CRM114-Status: GOOD ( 13.78 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 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 , srv_heupstream@mediatek.com, Will Deacon , linux-kernel@vger.kernel.org, Evan Green , Tomasz Figa , iommu@lists.linux-foundation.org, Matthias Kaehlcke , linux-mediatek@lists.infradead.org, yong.wu@mediatek.com, yingjoe.chen@mediatek.com, anan.sun@mediatek.com, 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 The larb-id may be remapped in the smi-common, this means the larb-id reported in the mtk_iommu_isr isn't the real larb-id, Take mt8183 as a example: M4U | --------------------------------------------- | SMI common | -0-----7-----5-----6-----1-----2------3-----4- <- Id remapped | | | | | | | | larb0 larb1 IPU0 IPU1 larb4 larb5 larb6 CCU disp vdec img cam venc img cam As above, larb0 connects with the id 0 in smi-common. larb1 connects with the id 7 in smi-common. ... If the larb-id reported in the isr is 7, actually it's larb1(vdec). In order to output the right larb-id in the isr, we add a larb-id remapping relationship in this patch. If there is no this larb-id remapping in some SoCs, use the linear mapping array instead. This also is a preparing patch for mt8183. Signed-off-by: Yong Wu Reviewed-by: Nicolas Boichat Reviewed-by: Evan Green --- drivers/iommu/mtk_iommu.c | 4 ++++ drivers/iommu/mtk_iommu.h | 2 ++ 2 files changed, 6 insertions(+) diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 685f5d5..3bf7b76 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -220,6 +220,8 @@ static irqreturn_t mtk_iommu_isr(int irq, void *dev_id) fault_larb = F_MMU0_INT_ID_LARB_ID(regval); fault_port = F_MMU0_INT_ID_PORT_ID(regval); + fault_larb = data->plat_data->larbid_remap[fault_larb]; + if (report_iommu_fault(&dom->domain, data->dev, fault_iova, write ? IOMMU_FAULT_WRITE : IOMMU_FAULT_READ)) { dev_err_ratelimited( @@ -740,12 +742,14 @@ static int __maybe_unused mtk_iommu_resume(struct device *dev) .m4u_plat = M4U_MT2712, .has_4gb_mode = true, .has_bclk = true, + .larbid_remap = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, }; static const struct mtk_iommu_plat_data mt8173_data = { .m4u_plat = M4U_MT8173, .has_4gb_mode = true, .has_bclk = true, + .larbid_remap = {0, 1, 2, 3, 4, 5}, /* Linear mapping. */ }; static const struct of_device_id mtk_iommu_of_ids[] = { diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h index b8749ac..eec19a6 100644 --- a/drivers/iommu/mtk_iommu.h +++ b/drivers/iommu/mtk_iommu.h @@ -47,6 +47,8 @@ struct mtk_iommu_plat_data { /* HW will use the EMI clock if there isn't the "bclk". */ bool has_bclk; + + unsigned char larbid_remap[MTK_LARB_NR_MAX]; }; struct mtk_iommu_domain; -- 1.9.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel