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Mon, 11 Jan 2021 03:30:14 -0800 Received: from MTKMBS07N2.mediatek.inc (172.21.101.141) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 11 Jan 2021 03:24:16 -0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 11 Jan 2021 19:24:14 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 11 Jan 2021 19:24:13 +0800 From: Yong Wu To: Joerg Roedel , Rob Herring , "Matthias Brugger" , Will Deacon , Robin Murphy Subject: [PATCH v6 32/33] iommu/mediatek: Add mt8192 support Date: Mon, 11 Jan 2021 19:19:13 +0800 Message-ID: <20210111111914.22211-33-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20210111111914.22211-1-yong.wu@mediatek.com> References: <20210111111914.22211-1-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-20210111_063027_766437_AAADACCD X-CRM114-Status: GOOD ( 14.33 ) 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: youlin.pei@mediatek.com, devicetree@vger.kernel.org, Nicolas Boichat , srv_heupstream@mediatek.com, chao.hao@mediatek.com, linux-kernel@vger.kernel.org, Evan Green , yong.wu@mediatek.com, Tomasz Figa , iommu@lists.linux-foundation.org, linux-mediatek@lists.infradead.org, Krzysztof Kozlowski , anan.sun@mediatek.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 Add mt8192 iommu support. Signed-off-by: Yong Wu --- drivers/iommu/mtk_iommu.c | 22 ++++++++++++++++++++++ drivers/iommu/mtk_iommu.h | 1 + 2 files changed, 23 insertions(+) diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 084fb4394ffc..0ad14a7604b1 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -177,6 +177,16 @@ static const struct mtk_iommu_iova_region single_domain[] = { {.iova_base = 0, .size = SZ_4G}, }; +static const struct mtk_iommu_iova_region mt8192_multi_dom[] = { + { .iova_base = 0x0, .size = SZ_4G}, /* disp: 0 ~ 4G */ + #if IS_ENABLED(CONFIG_ARCH_DMA_ADDR_T_64BIT) + { .iova_base = SZ_4G, .size = SZ_4G}, /* vdec: 4G ~ 8G */ + { .iova_base = SZ_4G * 2, .size = SZ_4G}, /* CAM/MDP: 8G ~ 12G */ + { .iova_base = 0x240000000ULL, .size = 0x4000000}, /* CCU0 */ + { .iova_base = 0x244000000ULL, .size = 0x4000000}, /* CCU1 */ + #endif +}; + /* * There may be 1 or 2 M4U HWs, But we always expect they are in the same domain * for the performance. @@ -1038,12 +1048,24 @@ static const struct mtk_iommu_plat_data mt8183_data = { .larbid_remap = {{0}, {4}, {5}, {6}, {7}, {2}, {3}, {1}}, }; +static const struct mtk_iommu_plat_data mt8192_data = { + .m4u_plat = M4U_MT8192, + .flags = HAS_BCLK | HAS_SUB_COMM | OUT_ORDER_WR_EN | + WR_THROT_EN | IOVA_34_EN, + .inv_sel_reg = REG_MMU_INV_SEL_GEN2, + .iova_region = mt8192_multi_dom, + .iova_region_nr = ARRAY_SIZE(mt8192_multi_dom), + .larbid_remap = {{0}, {1}, {4, 5}, {7}, {2}, {9, 11, 19, 20}, + {0, 14, 16}, {0, 13, 18, 17}}, +}; + 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}, + { .compatible = "mediatek,mt8192-m4u", .data = &mt8192_data}, {} }; diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h index 6f2168e3222d..f81fa8862ed0 100644 --- a/drivers/iommu/mtk_iommu.h +++ b/drivers/iommu/mtk_iommu.h @@ -45,6 +45,7 @@ enum mtk_iommu_plat { M4U_MT8167, M4U_MT8173, M4U_MT8183, + M4U_MT8192, }; struct mtk_iommu_iova_region; -- 2.18.0 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek