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| author |   Yong Wu <yong.wu@mediatek.com> | 2022-05-03 15:14:07 +0800 |
|---|---|---|
| committer |   Joerg Roedel <jroedel@suse.de> | 2022-05-04 10:39:39 +0200 |
| commit | 8cd1e619e79b5bdcd6fc346324a89e25c3325fde (patch) | |
| tree | 6c9e498e9d4864d434bcbcf36563607e38abd620 /drivers/iommu | |
| parent | iommu/mediatek: Add SUB_COMMON_3BITS flag (diff) | |
| download | linux-dev-8cd1e619e79b5bdcd6fc346324a89e25c3325fde.tar.xz linux-dev-8cd1e619e79b5bdcd6fc346324a89e25c3325fde.zip | |
iommu/mediatek: Add IOMMU_TYPE flag
Add IOMMU_TYPE definition. In the mt8195, we have another IOMMU_TYPE:
infra iommu, also there will be another APU_IOMMU, thus, use 2bits for the
IOMMU_TYPE.
Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Link: https://lore.kernel.org/r/20220503071427.2285-17-yong.wu@mediatek.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/mtk_iommu.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 937478cd8966..b5b95d9a372e 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -126,9 +126,17 @@ #define SHARE_PGTABLE BIT(10) /* 2 HW share pgtable */ #define DCM_DISABLE BIT(11) #define STD_AXI_MODE BIT(12) /* For non MM iommu */ +/* 2 bits: iommu type */ +#define MTK_IOMMU_TYPE_MM (0x0 << 13) +#define MTK_IOMMU_TYPE_INFRA (0x1 << 13) +#define MTK_IOMMU_TYPE_MASK (0x3 << 13) -#define MTK_IOMMU_HAS_FLAG(pdata, _x) \ - ((((pdata)->flags) & (_x)) == (_x)) +#define MTK_IOMMU_HAS_FLAG_MASK(pdata, _x, mask) \ + ((((pdata)->flags) & (mask)) == (_x)) + +#define MTK_IOMMU_HAS_FLAG(pdata, _x) MTK_IOMMU_HAS_FLAG_MASK(pdata, _x, _x) +#define MTK_IOMMU_IS_TYPE(pdata, _x) MTK_IOMMU_HAS_FLAG_MASK(pdata, _x,\ + MTK_IOMMU_TYPE_MASK) struct mtk_iommu_domain { struct io_pgtable_cfg cfg; |