Messages in this thread | | | Subject | Re: [PATCH 2/2] iommu/mediatek: Add mt8186 iommu support | From | AngeloGioacchino Del Regno <> | Date | Thu, 27 Jan 2022 12:28:05 +0100 |
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Il 25/01/22 10:32, Yong Wu ha scritto: > Add mt8186 iommu supports. > > Signed-off-by: Anan Sun <anan.sun@mediatek.com> > Signed-off-by: Yong Wu <yong.wu@mediatek.com> > --- > drivers/iommu/mtk_iommu.c | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) > > diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c > index be36e73e4bcc..a3124f48f9e1 100644 > --- a/drivers/iommu/mtk_iommu.c > +++ b/drivers/iommu/mtk_iommu.c > @@ -160,6 +160,7 @@ enum mtk_iommu_plat { > M4U_MT8167, > M4U_MT8173, > M4U_MT8183, > + M4U_MT8186, > M4U_MT8192, > M4U_MT8195, > }; > @@ -1401,6 +1402,21 @@ 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 mt8186_data_mm = { > + .m4u_plat = M4U_MT8186, > + .flags = HAS_BCLK | HAS_SUB_COMM_2BITS | OUT_ORDER_WR_EN | > + WR_THROT_EN | IOVA_34_EN | NOT_STD_AXI_MODE | > + MTK_IOMMU_TYPE_MM, > + .larbid_remap = {{0}, {1, MTK_INVALID_LARBID, 8}, {4}, {7}, {2}, {9, 11, 19, 20}, > + {MTK_INVALID_LARBID, 14, 16}, > + {MTK_INVALID_LARBID, 13, MTK_INVALID_LARBID, 17}}, > + .inv_sel_reg = REG_MMU_INV_SEL_GEN2, > + .banks_num = 1, > + .banks_enable = {true}, > + .iova_region = mt8192_multi_dom, > + .iova_region_nr = ARRAY_SIZE(mt8192_multi_dom), > +}; > + > static const struct mtk_iommu_plat_data mt8192_data = { > .m4u_plat = M4U_MT8192, > .flags = HAS_BCLK | HAS_SUB_COMM_2BITS | OUT_ORDER_WR_EN | > @@ -1470,6 +1486,7 @@ static const struct of_device_id mtk_iommu_of_ids[] = { > { .compatible = "mediatek,mt8167-m4u", .data = &mt8167_data}, > { .compatible = "mediatek,mt8173-m4u", .data = &mt8173_data}, > { .compatible = "mediatek,mt8183-m4u", .data = &mt8183_data}, > + { .compatible = "mediatek,mt8186-iommu-mm", .data = &mt8186_data_mm},
Hello!
Is there any particular reason why this compatible is not "mediatek,mt8186-m4u"?
Thanks, Angelo
> { .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}, >
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