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Subject[PATCH 15/24] iommu/mediatek: Add mt8195 support
Date
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@mediatek.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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