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Date: Wed, 30 Jun 2021 10:34:55 +0800 From: Yong Wu <yong.wu@...iatek.com> To: Joerg Roedel <joro@...tes.org>, Rob Herring <robh+dt@...nel.org>, Matthias Brugger <matthias.bgg@...il.com>, Will Deacon <will@...nel.org>, Robin Murphy <robin.murphy@....com> CC: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>, Evan Green <evgreen@...omium.org>, Tomasz Figa <tfiga@...gle.com>, Tomasz Figa <tfiga@...omium.org>, <linux-mediatek@...ts.infradead.org>, <srv_heupstream@...iatek.com>, <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>, <iommu@...ts.linux-foundation.org>, <yong.wu@...iatek.com>, <youlin.pei@...iatek.com>, Nicolas Boichat <drinkcat@...omium.org>, <anan.sun@...iatek.com>, <chao.hao@...iatek.com> Subject: [PATCH 15/24] iommu/mediatek: Add mt8195 support mt8195 has 3 IOMMU, containing 2 MM IOMMUs, one is for vdo, the other is for vpp. and 1 INFRA IOMMU. Signed-off-by: Yong Wu <yong.wu@...iatek.com> --- drivers/iommu/mtk_iommu.c | 42 +++++++++++++++++++++++++++++++++++++++ drivers/iommu/mtk_iommu.h | 1 + 2 files changed, 43 insertions(+) diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 33303243771b..5e046587eef4 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -1152,6 +1152,45 @@ static const struct mtk_iommu_plat_data mt8192_data = { {0, 14, 16}, {0, 13, 18, 17}}, }; +static const struct mtk_iommu_plat_data mt8195_data_infra = { + .m4u_plat = M4U_MT8195, + .flags = WR_THROT_EN | DCM_DISABLE | + MTK_IOMMU_TYPE_INFRA | IFA_IOMMU_PCIe_SUPPORT, + .pericfg_comp_str = "mediatek,mt8195-pericfg_ao", + .inv_sel_reg = REG_MMU_INV_SEL_GEN2, + .iova_region = single_domain, + .iova_region_nr = ARRAY_SIZE(single_domain), +}; + +static const struct mtk_iommu_plat_data mt8195_data_vdo = { + .m4u_plat = M4U_MT8195, + .flags = HAS_SUB_COMM_2BITS | OUT_ORDER_WR_EN | WR_THROT_EN | + NOT_STD_AXI_MODE | IOVA_34_EN | SHARE_PGTABLE | + MTK_IOMMU_TYPE_MM, + .hw_list = &m4ulist, + .inv_sel_reg = REG_MMU_INV_SEL_GEN2, + .iova_region = mt8192_multi_dom, + .iova_region_nr = ARRAY_SIZE(mt8192_multi_dom), + .larbid_remap = {{2, 0}, {21}, {24}, {7}, {19}, {9, 10, 11}, + {13, 17, 15/* 17b */, 25}, {5}}, +}; + +static const struct mtk_iommu_plat_data mt8195_data_vdp = { + .m4u_plat = M4U_MT8195, + .flags = HAS_SUB_COMM_3BITS | OUT_ORDER_WR_EN | WR_THROT_EN | + NOT_STD_AXI_MODE | IOVA_34_EN | SHARE_PGTABLE | + MTK_IOMMU_TYPE_MM, + .hw_list = &m4ulist, + .inv_sel_reg = REG_MMU_INV_SEL_GEN2, + .iova_region = mt8192_multi_dom, + .iova_region_nr = ARRAY_SIZE(mt8192_multi_dom), + .larbid_remap = {{1}, {3}, {22, 0, 0, 0, 23}, {8}, + {20}, {12}, + /* 16: 16a; 29: 16b; 30: CCUtop0; 31: CCUtop1 */ + {14, 16, 29, 26, 30, 31, 18}, + {4, 0, 0, 0, 6}}, +}; + static const struct of_device_id mtk_iommu_of_ids[] = { { .compatible = "mediatek,mt2712-m4u", .data = &mt2712_data}, { .compatible = "mediatek,mt6779-m4u", .data = &mt6779_data}, @@ -1159,6 +1198,9 @@ static const struct of_device_id mtk_iommu_of_ids[] = { { .compatible = "mediatek,mt8173-m4u", .data = &mt8173_data}, { .compatible = "mediatek,mt8183-m4u", .data = &mt8183_data}, { .compatible = "mediatek,mt8192-m4u", .data = &mt8192_data}, + { .compatible = "mediatek,mt8195-iommu-infra", .data = &mt8195_data_infra}, + { .compatible = "mediatek,mt8195-iommu-vdo", .data = &mt8195_data_vdo}, + { .compatible = "mediatek,mt8195-iommu-vpp", .data = &mt8195_data_vdp}, {} }; diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h index cdc241a51c2f..d9425807e980 100644 --- a/drivers/iommu/mtk_iommu.h +++ b/drivers/iommu/mtk_iommu.h @@ -46,6 +46,7 @@ enum mtk_iommu_plat { M4U_MT8173, M4U_MT8183, M4U_MT8192, + M4U_MT8195, }; struct mtk_iommu_iova_region; -- 2.18.0
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