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Mon, 14 Sep 2020 16:05:21 +0800 Message-ID: <1600070601.27773.14.camel@mhfsdcap03> Subject: Re: [PATCH v4 3/3] iommu/mediatek: add support for MT8167 From: Yong Wu To: Fabien Parent Date: Mon, 14 Sep 2020 16:03:21 +0800 In-Reply-To: <20200907101649.1573134-3-fparent@baylibre.com> References: <20200907101649.1573134-1-fparent@baylibre.com> <20200907101649.1573134-3-fparent@baylibre.com> X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-TM-SNTS-SMTP: 2B396821207B0DA67FA40430B531D336757789FCC3ACCCB9E04E67630009AD4F2000:8 X-MTK: N Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, robh+dt@kernel.org, linux-mediatek@lists.infradead.org, miles.chen@mediatek.com, matthias.bgg@gmail.com, 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" On Mon, 2020-09-07 at 12:16 +0200, Fabien Parent wrote: > 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, > }; 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Mon, 14 Sep 2020 16:05:21 +0800 Message-ID: <1600070601.27773.14.camel@mhfsdcap03> Subject: Re: [PATCH v4 3/3] iommu/mediatek: add support for MT8167 From: Yong Wu To: Fabien Parent Date: Mon, 14 Sep 2020 16:03:21 +0800 In-Reply-To: <20200907101649.1573134-3-fparent@baylibre.com> References: <20200907101649.1573134-1-fparent@baylibre.com> <20200907101649.1573134-3-fparent@baylibre.com> X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-TM-SNTS-SMTP: 2B396821207B0DA67FA40430B531D336757789FCC3ACCCB9E04E67630009AD4F2000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200914_040535_722179_F6DF8DA5 X-CRM114-Status: GOOD ( 18.93 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, joro@8bytes.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, robh+dt@kernel.org, linux-mediatek@lists.infradead.org, miles.chen@mediatek.com, matthias.bgg@gmail.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On Mon, 2020-09-07 at 12:16 +0200, Fabien Parent wrote: > 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, > }; 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Mon, 14 Sep 2020 16:05:21 +0800 Message-ID: <1600070601.27773.14.camel@mhfsdcap03> Subject: Re: [PATCH v4 3/3] iommu/mediatek: add support for MT8167 From: Yong Wu To: Fabien Parent Date: Mon, 14 Sep 2020 16:03:21 +0800 In-Reply-To: <20200907101649.1573134-3-fparent@baylibre.com> References: <20200907101649.1573134-1-fparent@baylibre.com> <20200907101649.1573134-3-fparent@baylibre.com> X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-TM-SNTS-SMTP: 2B396821207B0DA67FA40430B531D336757789FCC3ACCCB9E04E67630009AD4F2000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200914_040535_722179_F6DF8DA5 X-CRM114-Status: GOOD ( 18.93 ) 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: devicetree@vger.kernel.org, joro@8bytes.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, robh+dt@kernel.org, linux-mediatek@lists.infradead.org, miles.chen@mediatek.com, matthias.bgg@gmail.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+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, 2020-09-07 at 12:16 +0200, Fabien Parent wrote: > 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, > }; 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