Commit 3cd0e4a3 authored by Fabien Parent's avatar Fabien Parent Committed by Joerg Roedel
Browse files

iommu/mediatek: add support for MT8365 SoC 



Add IOMMU support for MT8365 SoC.

Signed-off-by: default avatarFabien Parent <fparent@baylibre.com>
Reviewed-by: default avatarAmjad Ouled-Ameur <aouledameur@baylibre.com>
Tested-by: default avatarAmjad Ouled-Ameur <aouledameur@baylibre.com>
Signed-off-by: default avatarMarkus Schneider-Pargmann <msp@baylibre.com>
Reviewed-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: default avatarYong Wu <yong.wu@mediatek.com>
Signed-off-by: default avatarAlexandre Mergnat <amergnat@baylibre.com>
Reviewed-by: default avatarMatthias Brugger <matthias.bgg@gmail.com>
Link: https://lore.kernel.org/r/20221001-iommu-support-v6-3-be4fe8da254b@baylibre.com


Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent 65df7d82

drivers/iommu/mtk_iommu.c

+13 −0
Original line number Diff line number Diff line
@@ -170,6 +170,7 @@ enum mtk_iommu_plat { 
	M4U_MT8186,

	M4U_MT8192,

	M4U_MT8195,

	M4U_MT8365,

};



struct mtk_iommu_iova_region {
@@ -1528,6 +1529,17 @@ static const struct mtk_iommu_plat_data mt8195_data_vpp = { 
			   {4, MTK_INVALID_LARBID, MTK_INVALID_LARBID, MTK_INVALID_LARBID, 6}},

};



static const struct mtk_iommu_plat_data mt8365_data = {

	.m4u_plat	= M4U_MT8365,

	.flags		= RESET_AXI | INT_ID_PORT_WIDTH_6,

	.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}, {5}}, /* Linear mapping. */

};



static const struct of_device_id mtk_iommu_of_ids[] = {

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

	{ .compatible = "mediatek,mt6779-m4u", .data = &mt6779_data},
@@ -1540,6 +1552,7 @@ static const struct of_device_id mtk_iommu_of_ids[] = { 
	{ .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},

	{ .compatible = "mediatek,mt8365-m4u", .data = &mt8365_data},

	{}

};