diff mbox series

[v3,2/2] iommu/mediatek: Add mt8186 iommu support

Message ID 20220407083230.18041-3-yong.wu@mediatek.com (mailing list archive)
State New, archived
Headers show
Series MT8186 IOMMU SUPPORT | expand

Commit Message

Yong Wu (吴勇) April 7, 2022, 8:32 a.m. UTC 
Add mt8186 iommu supports.

Signed-off-by: Anan Sun <anan.sun@mediatek.com>
Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
---
 drivers/iommu/mtk_iommu.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

Comments

AngeloGioacchino Del Regno April 7, 2022, 9:14 a.m. UTC | #1 
Il 07/04/22 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>
> Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
diff mbox series

Patch

diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index 22c95ed78b3c..8d2b6dc89177 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,
 };
@@ -1429,6 +1430,21 @@  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 |
@@ -1498,6 +1514,7 @@  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},