diff mbox series

[v3,3/3] iommu/mediatek: Add MT8188 IOMMU Support

Message ID 20220919082611.19824-4-chengci.xu@mediatek.com (mailing list archive)
State New, archived
Headers show
Series MT8188 IOMMU SUPPORT | expand

Commit Message

Chengci.Xu Sept. 19, 2022, 8:26 a.m. UTC 
MT8188 has 3 IOMMU, containing 2 MM IOMMUs, one is for vdo, the other
is for vpp. and 1 INFRA IOMMU.

Signed-off-by: Chengci.Xu <chengci.xu@mediatek.com>
---
 drivers/iommu/mtk_iommu.c | 47 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)

Comments

AngeloGioacchino Del Regno Sept. 20, 2022, 9:02 a.m. UTC | #1 
Il 19/09/22 10:26, Chengci.Xu ha scritto:
> MT8188 has 3 IOMMU, containing 2 MM IOMMUs, one is for vdo, the other
> is for vpp. and 1 INFRA IOMMU.
> 
> Signed-off-by: Chengci.Xu <chengci.xu@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 8b8a289bab2c..68c9be30db91 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -164,6 +164,7 @@  enum mtk_iommu_plat {
 	M4U_MT8173,
 	M4U_MT8183,
 	M4U_MT8186,
+	M4U_MT8188,
 	M4U_MT8192,
 	M4U_MT8195,
 };
@@ -1456,6 +1457,49 @@  static const struct mtk_iommu_plat_data mt8186_data_mm = {
 	.iova_region_nr = ARRAY_SIZE(mt8192_multi_dom),
 };
 
+static const struct mtk_iommu_plat_data mt8188_data_infra = {
+	.m4u_plat	  = M4U_MT8188,
+	.flags            = WR_THROT_EN | DCM_DISABLE | STD_AXI_MODE | PM_CLK_AO |
+			    MTK_IOMMU_TYPE_INFRA | IFA_IOMMU_PCIE_SUPPORT |
+			    CFG_IFA_MASTER_IN_ATF,
+	.inv_sel_reg      = REG_MMU_INV_SEL_GEN2,
+	.banks_num	  = 1,
+	.banks_enable     = {true},
+	.iova_region      = single_domain,
+	.iova_region_nr   = ARRAY_SIZE(single_domain),
+};
+
+static const struct mtk_iommu_plat_data mt8188_data_vdo = {
+	.m4u_plat	= M4U_MT8188,
+	.flags          = HAS_BCLK | HAS_SUB_COMM_3BITS | OUT_ORDER_WR_EN |
+			  WR_THROT_EN | IOVA_34_EN | SHARE_PGTABLE | MTK_IOMMU_TYPE_MM,
+	.hw_list        = &m4ulist,
+	.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),
+	.larbid_remap   = {{2}, {0}, {21}, {0}, {19}, {9, 10,
+			   11 /* 11a */, 25 /* 11c */},
+			   {13, 0, 29 /* 16b */, 30 /* 17b */, 0}, {5}},
+};
+
+static const struct mtk_iommu_plat_data mt8188_data_vpp = {
+	.m4u_plat	= M4U_MT8188,
+	.flags          = HAS_BCLK | HAS_SUB_COMM_3BITS | OUT_ORDER_WR_EN |
+			  WR_THROT_EN | IOVA_34_EN | SHARE_PGTABLE | MTK_IOMMU_TYPE_MM,
+	.hw_list        = &m4ulist,
+	.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),
+	.larbid_remap   = {{1}, {3}, {23}, {7}, {MTK_INVALID_LARBID},
+			   {12, 15, 24 /* 11b */}, {14, MTK_INVALID_LARBID,
+			   16 /* 16a */, 17 /* 17a */, MTK_INVALID_LARBID,
+			   27, 28 /* ccu0 */, MTK_INVALID_LARBID}, {4, 6}},
+};
+
 static const struct mtk_iommu_plat_data mt8192_data = {
 	.m4u_plat       = M4U_MT8192,
 	.flags          = HAS_BCLK | HAS_SUB_COMM_2BITS | OUT_ORDER_WR_EN |
@@ -1523,6 +1567,9 @@  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,mt8186-iommu-mm",    .data = &mt8186_data_mm}, /* mm: m4u */
+	{ .compatible = "mediatek,mt8188-iommu-infra", .data = &mt8188_data_infra},
+	{ .compatible = "mediatek,mt8188-iommu-vdo", .data = &mt8188_data_vdo},
+	{ .compatible = "mediatek,mt8188-iommu-vpp", .data = &mt8188_data_vpp},
 	{ .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},