diff options
| author | Chao Hao <chao.hao@mediatek.com> | 2020-07-03 12:41:27 +0800 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2020-07-10 16:13:11 +0200 |
| commit | 068c86e92f3fc9df7d95a39710b40be811d861aa (patch) | |
| tree | cc6afeac18170864ef34b9a942bfeadda6d036c8 /drivers | |
| parent | 864444130eed304835b09c86a5bf2ff05bc2f4a2 (diff) | |
iommu/mediatek: Add mt6779 basic support
1. Start from mt6779, INVLDT_SEL move to offset=0x2c, so we add
REG_MMU_INV_SEL_GEN2 definition and mt6779 uses it.
2. Add mt6779_data to support mm_iommu HW init.
Signed-off-by: Chao Hao <chao.hao@mediatek.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Cc: Yong Wu <yong.wu@mediatek.com>
Link: https://lore.kernel.org/r/20200703044127.27438-11-chao.hao@mediatek.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/iommu/mtk_iommu.c | 9 | ||||
| -rw-r--r-- | drivers/iommu/mtk_iommu.h | 1 |
2 files changed, 10 insertions, 0 deletions
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index a816030d00f1..59e5a62a34db 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -37,6 +37,7 @@ #define REG_MMU_INVLD_START_A 0x024 #define REG_MMU_INVLD_END_A 0x028 +#define REG_MMU_INV_SEL_GEN2 0x02c #define REG_MMU_INV_SEL_GEN1 0x038 #define F_INVLD_EN0 BIT(0) #define F_INVLD_EN1 BIT(1) @@ -808,6 +809,13 @@ static const struct mtk_iommu_plat_data mt2712_data = { .larbid_remap = {{0}, {1}, {2}, {3}, {4}, {5}, {6}, {7}}, }; +static const struct mtk_iommu_plat_data mt6779_data = { + .m4u_plat = M4U_MT6779, + .flags = HAS_SUB_COMM | OUT_ORDER_WR_EN | WR_THROT_EN, + .inv_sel_reg = REG_MMU_INV_SEL_GEN2, + .larbid_remap = {{0}, {1}, {2}, {3}, {5}, {7, 8}, {10}, {9}}, +}; + static const struct mtk_iommu_plat_data mt8173_data = { .m4u_plat = M4U_MT8173, .flags = HAS_4GB_MODE | HAS_BCLK | RESET_AXI, @@ -824,6 +832,7 @@ static const struct mtk_iommu_plat_data mt8183_data = { 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,mt8173-m4u", .data = &mt8173_data}, { .compatible = "mediatek,mt8183-m4u", .data = &mt8183_data}, {} diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h index 31edd05e2eb1..214898578026 100644 --- a/drivers/iommu/mtk_iommu.h +++ b/drivers/iommu/mtk_iommu.h @@ -37,6 +37,7 @@ struct mtk_iommu_suspend_reg { enum mtk_iommu_plat { M4U_MT2701, M4U_MT2712, + M4U_MT6779, M4U_MT8173, M4U_MT8183, }; |