diff options
| author | Zhengnan Chen <zhengnan.chen@mediatek.com> | 2025-10-18 21:26:13 +0800 |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2025-10-27 13:42:49 +0100 |
| commit | f4b97d3469005c99622a3ed6b23af77d50a1a136 (patch) | |
| tree | 0833f5a651e95f16136db694bb70378496615073 | |
| parent | 7e87226700a54f277ab7aced3adacc889fcd73f7 (diff) | |
iommu/mediatek: mt8189: Add INFRA IOMMUs support
Add support for mt8189 INFRA IOMMUs.
Signed-off-by: Zhengnan Chen <zhengnan.chen@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Yong Wu <yong.wu@mediatek.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| -rw-r--r-- | drivers/iommu/mtk_iommu.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index aa4972aed91e..e71acaa292cc 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -339,6 +339,7 @@ static int mtk_iommu_hw_init(const struct mtk_iommu_data *data, unsigned int ban #define MTK_IOMMU_4GB_MODE_REMAP_BASE 0x140000000UL static LIST_HEAD(apulist); /* List the apu iommu HWs */ +static LIST_HEAD(infralist); /* List the iommu_infra HW */ static LIST_HEAD(m4ulist); /* List all the M4U HWs */ #define for_each_m4u(data, head) list_for_each_entry(data, head, list) @@ -1758,6 +1759,18 @@ static const struct mtk_iommu_plat_data mt8189_data_apu = { .iova_region_larb_msk = mt8189_apu_region_msk, }; +static const struct mtk_iommu_plat_data mt8189_data_infra = { + .m4u_plat = M4U_MT8189, + .flags = WR_THROT_EN | DCM_DISABLE | MTK_IOMMU_TYPE_INFRA | + CFG_IFA_MASTER_IN_ATF | SHARE_PGTABLE | PGTABLE_PA_35_EN, + .hw_list = &infralist, + .banks_num = 1, + .banks_enable = {true}, + .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 mt8192_data = { .m4u_plat = M4U_MT8192, .flags = HAS_BCLK | HAS_SUB_COMM_2BITS | OUT_ORDER_WR_EN | @@ -1860,6 +1873,7 @@ static const struct of_device_id mtk_iommu_of_ids[] = { { .compatible = "mediatek,mt8188-iommu-vdo", .data = &mt8188_data_vdo}, { .compatible = "mediatek,mt8188-iommu-vpp", .data = &mt8188_data_vpp}, { .compatible = "mediatek,mt8189-iommu-apu", .data = &mt8189_data_apu}, + { .compatible = "mediatek,mt8189-iommu-infra", .data = &mt8189_data_infra}, { .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}, |