diff mbox series

[v3,23/33] iommu/mediatek: Add mt8195 support

Message ID 20210923115840.17813-24-yong.wu@mediatek.com (mailing list archive)
State New, archived
Headers show
Series MT8195 IOMMU SUPPORT | expand

Commit Message

Yong Wu (吴勇) Sept. 23, 2021, 11:58 a.m. UTC 
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(+)

Comments

AngeloGioacchino Del Regno Jan. 4, 2022, 3:54 p.m. UTC | #1 
Il 23/09/21 13:58, Yong Wu ha scritto:
> 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>

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 3f1fd8036345..df823ee3541a 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -1163,6 +1163,45 @@  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_BCLK | 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_vpp = {
+	.m4u_plat	= M4U_MT8195,
+	.flags          = HAS_BCLK | 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},
@@ -1170,6 +1209,9 @@  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_vpp},
 	{}
 };
 
diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h
index d83c79bf800a..a9dc79c5a724 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;