[PATCH v7 36/36] iommu/mediatek: Add mt8186 iommu support

From: Yong Wu
Date: Tue May 03 2022 - 03:22:08 EST


Add mt8186 iommu supports.

Signed-off-by: Anan Sun <anan.sun@xxxxxxxxxxxx>
Signed-off-by: Yong Wu <yong.wu@xxxxxxxxxxxx>
Reviewed-by: Matthias Brugger <matthias.bgg@xxxxxxxxx>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
---
drivers/iommu/mtk_iommu.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)

diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index 0fa1d5240ac6..71b2ace74cd6 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,
};
@@ -1437,6 +1438,20 @@ 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 | 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 |
@@ -1503,6 +1518,7 @@ 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}, /* mm: m4u */
{ .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},
--
2.18.0