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>

diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index aa4972aed91e5d942cce4e6c4847d0d969c6e63f..e71acaa292cc62a21ae8dbf356576c3b34376863 100644 (file)
--- 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},