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authorAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>2022-09-13 17:11:48 +0200
committerJoerg Roedel <jroedel@suse.de>2022-09-26 13:33:03 +0200
commit717ec15e5ce98ed267c9e31ff0469f57782c85e9 (patch)
tree0f2024913863184a859245b482e0a51f1b87c789 /drivers/iommu
parent86580ec969bb1df9dbc316643853e7664ace4cae (diff)
downloadlinux-717ec15e5ce98ed267c9e31ff0469f57782c85e9.tar.bz2
iommu/mediatek: Add support for MT6795 Helio X10 M4Us
Add support for the M4Us found in the MT6795 Helio X10 SoC. Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Reviewed-by: Yong Wu <yong.wu@mediatek.com> Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com> Link: https://lore.kernel.org/r/20220913151148.412312-4-angelogioacchino.delregno@collabora.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu')
-rw-r--r--drivers/iommu/mtk_iommu.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index b511359376f4..e3f03a1d32b8 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -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},