Commit 717ec15e authored by AngeloGioacchino Del Regno's avatar AngeloGioacchino Del Regno Committed by Joerg Roedel
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iommu/mediatek: Add support for MT6795 Helio X10 M4Us 



Add support for the M4Us found in the MT6795 Helio X10 SoC.

Signed-off-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: default avatarYong Wu <yong.wu@mediatek.com>
Reviewed-by: default avatarMatthias Brugger <matthias.bgg@gmail.com>
Link: https://lore.kernel.org/r/20220913151148.412312-4-angelogioacchino.delregno@collabora.com


Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent 86580ec9

drivers/iommu/mtk_iommu.c

+15 −0
Original line number Diff line number Diff line
@@ -158,6 +158,7 @@ 
enum mtk_iommu_plat {

	M4U_MT2712,

	M4U_MT6779,

	M4U_MT6795,

	M4U_MT8167,

	M4U_MT8173,

	M4U_MT8183,
@@ -1414,6 +1415,19 @@ static const struct mtk_iommu_plat_data mt6779_data = { 
	.larbid_remap  = {{0}, {1}, {2}, {3}, {5}, {7, 8}, {10}, {9}},

};



static const struct mtk_iommu_plat_data mt6795_data = {

	.m4u_plat     = M4U_MT6795,

	.flags	      = HAS_4GB_MODE | HAS_BCLK | RESET_AXI |

			HAS_LEGACY_IVRP_PADDR | MTK_IOMMU_TYPE_MM |

			TF_PORT_TO_ADDR_MT8173,

	.inv_sel_reg  = REG_MMU_INV_SEL_GEN1,

	.banks_num    = 1,

	.banks_enable = {true},

	.iova_region  = single_domain,

	.iova_region_nr = ARRAY_SIZE(single_domain),

	.larbid_remap = {{0}, {1}, {2}, {3}, {4}}, /* Linear mapping. */

};



static const struct mtk_iommu_plat_data mt8167_data = {

	.m4u_plat     = M4U_MT8167,

	.flags        = RESET_AXI | HAS_LEGACY_IVRP_PADDR | MTK_IOMMU_TYPE_MM,
@@ -1526,6 +1540,7 @@ static const struct mtk_iommu_plat_data mt8195_data_vpp = { 
static const struct of_device_id mtk_iommu_of_ids[] = {

	{ .compatible = "mediatek,mt2712-m4u", .data = &mt2712_data},

	{ .compatible = "mediatek,mt6779-m4u", .data = &mt6779_data},

	{ .compatible = "mediatek,mt6795-m4u", .data = &mt6795_data},

	{ .compatible = "mediatek,mt8167-m4u", .data = &mt8167_data},

	{ .compatible = "mediatek,mt8173-m4u", .data = &mt8173_data},

	{ .compatible = "mediatek,mt8183-m4u", .data = &mt8183_data},