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authorYong Wu <yong.wu@mediatek.com>2022-05-03 10:14:27 +0300
committerJoerg Roedel <jroedel@suse.de>2022-05-04 11:39:40 +0300
commite8d7ccaa3fb7575fda703ee6e05640c1c830fa06 (patch)
tree02f3adb7973be41c271ed404db4a3a60bdf72162 /drivers/iommu/mtk_iommu.c
parent7597e3c5618d40986b23ddfd65d55d741536bf85 (diff)
downloadlinux-e8d7ccaa3fb7575fda703ee6e05640c1c830fa06.tar.xz
iommu/mediatek: Add mt8186 iommu support
Add mt8186 iommu supports. Signed-off-by: Anan Sun <anan.sun@mediatek.com> Signed-off-by: Yong Wu <yong.wu@mediatek.com> Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Link: https://lore.kernel.org/r/20220503071427.2285-37-yong.wu@mediatek.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/mtk_iommu.c')
-rw-r--r--drivers/iommu/mtk_iommu.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index 0fa1d5240ac6..71b2ace74cd6 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -160,6 +160,7 @@ enum mtk_iommu_plat {
M4U_MT8167,
M4U_MT8173,
M4U_MT8183,
+ M4U_MT8186,
M4U_MT8192,
M4U_MT8195,
};
@@ -1437,6 +1438,20 @@ static const struct mtk_iommu_plat_data mt8183_data = {
.larbid_remap = {{0}, {4}, {5}, {6}, {7}, {2}, {3}, {1}},
};
+static const struct mtk_iommu_plat_data mt8186_data_mm = {
+ .m4u_plat = M4U_MT8186,
+ .flags = HAS_BCLK | HAS_SUB_COMM_2BITS | OUT_ORDER_WR_EN |
+ WR_THROT_EN | IOVA_34_EN | MTK_IOMMU_TYPE_MM,
+ .larbid_remap = {{0}, {1, MTK_INVALID_LARBID, 8}, {4}, {7}, {2}, {9, 11, 19, 20},
+ {MTK_INVALID_LARBID, 14, 16},
+ {MTK_INVALID_LARBID, 13, MTK_INVALID_LARBID, 17}},
+ .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),
+};
+
static const struct mtk_iommu_plat_data mt8192_data = {
.m4u_plat = M4U_MT8192,
.flags = HAS_BCLK | HAS_SUB_COMM_2BITS | OUT_ORDER_WR_EN |
@@ -1503,6 +1518,7 @@ static const struct of_device_id mtk_iommu_of_ids[] = {
{ .compatible = "mediatek,mt8167-m4u", .data = &mt8167_data},
{ .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,mt8192-m4u", .data = &mt8192_data},
{ .compatible = "mediatek,mt8195-iommu-infra", .data = &mt8195_data_infra},
{ .compatible = "mediatek,mt8195-iommu-vdo", .data = &mt8195_data_vdo},