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Mon, 02 Mar 2020 03:22:00 -0800 (PST) From: Fabien Parent To: linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, iommu@lists.linux-foundation.org Subject: [PATCH v2 1/3] dt-bindings: iommu: Add binding for MediaTek MT8167 IOMMU Date: Mon, 2 Mar 2020 12:21:50 +0100 Message-Id: <20200302112152.2887131-1-fparent@baylibre.com> X-Mailer: git-send-email 2.25.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200302_032203_049450_F76F7058 X-CRM114-Status: UNSURE ( 9.47 ) X-CRM114-Notice: Please train this message. X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2a00:1450:4864:20:0:0:0:444 listed in] [list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 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: Rob Herring , Fabien Parent , joro@8bytes.org, ck.hu@mediatek.com, matthias.bgg@gmail.com, yong.wu@mediatek.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org This commit adds IOMMU binding documentation for the MT8167 SoC. Signed-off-by: Fabien Parent Acked-by: Rob Herring --- V2: no change --- Documentation/devicetree/bindings/iommu/mediatek,iommu.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/iommu/mediatek,iommu.txt b/Documentation/devicetree/bindings/iommu/mediatek,iommu.txt index ce59a505f5a4..eee9116cf9bb 100644 --- a/Documentation/devicetree/bindings/iommu/mediatek,iommu.txt +++ b/Documentation/devicetree/bindings/iommu/mediatek,iommu.txt @@ -60,6 +60,7 @@ Required properties: "mediatek,mt2712-m4u" for mt2712 which uses generation two m4u HW. "mediatek,mt7623-m4u", "mediatek,mt2701-m4u" for mt7623 which uses generation one m4u HW. + "mediatek,mt8167-m4u" for mt8167 which uses generation two m4u HW. "mediatek,mt8173-m4u" for mt8173 which uses generation two m4u HW. "mediatek,mt8183-m4u" for mt8183 which uses generation two m4u HW. - reg : m4u register base and size. 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Mon, 02 Mar 2020 03:22:19 -0800 (PST) From: Fabien Parent To: linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, iommu@lists.linux-foundation.org Subject: [PATCH v2 2/3] iommu/mediatek: add pdata member for legacy ivrp paddr Date: Mon, 2 Mar 2020 12:21:51 +0100 Message-Id: <20200302112152.2887131-2-fparent@baylibre.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200302112152.2887131-1-fparent@baylibre.com> References: <20200302112152.2887131-1-fparent@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200302_032221_850377_AE765517 X-CRM114-Status: GOOD ( 13.68 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2a00:1450:4864:20:0:0:0:443 listed in] [list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 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: matthias.bgg@gmail.com, ck.hu@mediatek.com, joro@8bytes.org, yong.wu@mediatek.com, Fabien Parent Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Add a new platform data member in order to select which IVRP_PADDR format is used by an SoC. Signed-off-by: Fabien Parent Reviewed-by: Yong Wu --- v2: new patch --- drivers/iommu/mtk_iommu.c | 3 ++- drivers/iommu/mtk_iommu.h | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 95945f467c03..78cb14ab7dd0 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -569,7 +569,7 @@ 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->plat_data->m4u_plat == M4U_MT8173) + if (data->plat_data->has_legacy_ivrp_paddr) regval = (data->protect_base >> 1) | (data->enable_4GB << 31); else regval = lower_32_bits(data->protect_base) | @@ -786,6 +786,7 @@ static const struct mtk_iommu_plat_data mt8173_data = { .m4u_plat = M4U_MT8173, .has_4gb_mode = true, .has_bclk = true, + .has_legacy_ivrp_paddr = true; .reset_axi = true, .larbid_remap = {0, 1, 2, 3, 4, 5}, /* Linear mapping. */ }; diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h index ea949a324e33..4696ba027a71 100644 --- a/drivers/iommu/mtk_iommu.h +++ b/drivers/iommu/mtk_iommu.h @@ -42,6 +42,7 @@ struct mtk_iommu_plat_data { bool has_bclk; bool has_vld_pa_rng; bool reset_axi; + bool has_legacy_ivrp_paddr; unsigned char larbid_remap[MTK_LARB_NR_MAX]; }; From patchwork Mon Mar 2 11:21:52 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabien Parent X-Patchwork-Id: 11415371 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3B13714B7 for ; Mon, 2 Mar 2020 11:22:41 +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 177EB21775 for ; 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Mon, 02 Mar 2020 03:22:23 -0800 (PST) Received: from localhost.localdomain ([2a01:e34:ecba:5540:6f5c:582a:cc84:32f5]) by smtp.gmail.com with ESMTPSA id j14sm28398441wrn.32.2020.03.02.03.22.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Mar 2020 03:22:23 -0800 (PST) From: Fabien Parent To: linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, iommu@lists.linux-foundation.org Subject: [PATCH v2 3/3] iommu/mediatek: add support for MT8167 Date: Mon, 2 Mar 2020 12:21:52 +0100 Message-Id: <20200302112152.2887131-3-fparent@baylibre.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200302112152.2887131-1-fparent@baylibre.com> References: <20200302112152.2887131-1-fparent@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200302_032228_099871_3A2E24FC X-CRM114-Status: GOOD ( 12.84 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2a00:1450:4864:20:0:0:0:344 listed in] [list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 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: matthias.bgg@gmail.com, ck.hu@mediatek.com, joro@8bytes.org, yong.wu@mediatek.com, Fabien Parent Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Add support for the IOMMU on MT8167 Signed-off-by: Fabien Parent Reviewed-by: Yong Wu --- V2: * removed if based on m4u_plat, and using instead the new has_legacy_ivrp_paddr member that was introduced in patch 2. --- drivers/iommu/mtk_iommu.c | 9 +++++++++ drivers/iommu/mtk_iommu.h | 1 + 2 files changed, 10 insertions(+) diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 78cb14ab7dd0..25b7ad1647ba 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -782,6 +782,14 @@ static const struct mtk_iommu_plat_data mt2712_data = { .larbid_remap = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, }; +static const struct mtk_iommu_plat_data mt8167_data = { + .m4u_plat = M4U_MT8167, + .has_4gb_mode = true, + .has_legacy_ivrp_paddr = true; + .reset_axi = true, + .larbid_remap = {0, 1, 2, 3, 4, 5}, /* Linear mapping. */ +}; + static const struct mtk_iommu_plat_data mt8173_data = { .m4u_plat = M4U_MT8173, .has_4gb_mode = true, @@ -799,6 +807,7 @@ static const struct mtk_iommu_plat_data mt8183_data = { static const struct of_device_id mtk_iommu_of_ids[] = { { .compatible = "mediatek,mt2712-m4u", .data = &mt2712_data}, + { .compatible = "mediatek,mt8167-m4u", .data = &mt8167_data}, { .compatible = "mediatek,mt8173-m4u", .data = &mt8173_data}, { .compatible = "mediatek,mt8183-m4u", .data = &mt8183_data}, {} diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h index 4696ba027a71..72f874ec9e9c 100644 --- a/drivers/iommu/mtk_iommu.h +++ b/drivers/iommu/mtk_iommu.h @@ -30,6 +30,7 @@ struct mtk_iommu_suspend_reg { enum mtk_iommu_plat { M4U_MT2701, M4U_MT2712, + M4U_MT8167, M4U_MT8173, M4U_MT8183, };