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authorFabien Parent <fparent@baylibre.com>2022-11-02 16:18:09 +0100
committerJoerg Roedel <jroedel@suse.de>2022-11-19 10:11:11 +0100
commit3cd0e4a34d5a9bcff90e0c104800700346e42658 (patch)
treea2bf797f7b7a0f494cdbb5862fb1edf6389f1821 /drivers/iommu/mtk_iommu.c
parentiommu/mediatek: add support for 6-bit encoded port IDs (diff)
downloadlinux-3cd0e4a34d5a9bcff90e0c104800700346e42658.tar.xz
linux-3cd0e4a34d5a9bcff90e0c104800700346e42658.zip
iommu/mediatek: add support for MT8365 SoC
Add IOMMU support for MT8365 SoC. Signed-off-by: Fabien Parent <fparent@baylibre.com> Reviewed-by: Amjad Ouled-Ameur <aouledameur@baylibre.com> Tested-by: Amjad Ouled-Ameur <aouledameur@baylibre.com> Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Reviewed-by: Yong Wu <yong.wu@mediatek.com> Signed-off-by: Alexandre Mergnat <amergnat@baylibre.com> Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com> Link: https://lore.kernel.org/r/20221001-iommu-support-v6-3-be4fe8da254b@baylibre.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/mtk_iommu.c')
-rw-r--r--drivers/iommu/mtk_iommu.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index 885ba5233b99..c80f33dd2d43 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -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},
{}
};