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    Subject[PATCH v3 16/33] iommu/mediatek: Add IOMMU_TYPE flag
    Date
    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>
    ---
    drivers/iommu/mtk_iommu.c | 12 ++++++++++--
    1 file changed, 10 insertions(+), 2 deletions(-)

    diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
    index d557c3437d67..2665b0707f13 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 NOT_STD_AXI_MODE BIT(12)
    +/* 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(pdata, _x) (!!(((pdata)->flags) & (_x)))
    +
    +#define MTK_IOMMU_HAS_FLAG_MASK(pdata, _x, mask) \
    + ((((pdata)->flags) & (mask)) == (_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;
    --
    2.18.0
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