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[93.23.105.122]) by smtp.gmail.com with ESMTPSA id j7sm28728689wrw.35.2020.09.07.03.16.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Sep 2020 03:17:00 -0700 (PDT) From: Fabien Parent To: iommu@lists.linux-foundation.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH v4 3/3] iommu/mediatek: add support for MT8167 Date: Mon, 7 Sep 2020 12:16:49 +0200 Message-Id: <20200907101649.1573134-3-fparent@baylibre.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200907101649.1573134-1-fparent@baylibre.com> References: <20200907101649.1573134-1-fparent@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200907_061701_817317_CE368972 X-CRM114-Status: GOOD ( 16.70 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.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 [2a00:1450:4864:20:0:0:0:341 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: joro@8bytes.org, Fabien Parent , miles.chen@mediatek.com, robh+dt@kernel.org, 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 Add support for the IOMMU on MT8167 Signed-off-by: Fabien Parent Reviewed-by: Yong Wu --- V4; * Removed HAS_4GB_MODE flag since this SoC does not seem to support it V3: * use LEGACY_IVRP_PADDR flag instead of using a platform data member 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 | 8 ++++++++ drivers/iommu/mtk_iommu.h | 1 + 2 files changed, 9 insertions(+) diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index b1f85a7e9346..4ff071eb5279 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -817,6 +817,13 @@ static const struct mtk_iommu_plat_data mt6779_data = { .larbid_remap = {{0}, {1}, {2}, {3}, {5}, {7, 8}, {10}, {9}}, }; +static const struct mtk_iommu_plat_data mt8167_data = { + .m4u_plat = M4U_MT8167, + .flags = RESET_AXI | HAS_LEGACY_IVRP_PADDR, + .inv_sel_reg = REG_MMU_INV_SEL_GEN1, + .larbid_remap = {{0}, {1}, {2}}, /* Linear mapping. */ +}; + static const struct mtk_iommu_plat_data mt8173_data = { .m4u_plat = M4U_MT8173, .flags = HAS_4GB_MODE | HAS_BCLK | RESET_AXI | @@ -835,6 +842,7 @@ 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,mt6779-m4u", .data = &mt6779_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 122925dbe547..df32b3e3408b 100644 --- a/drivers/iommu/mtk_iommu.h +++ b/drivers/iommu/mtk_iommu.h @@ -39,6 +39,7 @@ enum mtk_iommu_plat { M4U_MT2701, M4U_MT2712, M4U_MT6779, + M4U_MT8167, M4U_MT8173, M4U_MT8183, };