Commit 8cd1e619 authored by Yong Wu's avatar Yong Wu Committed by Joerg Roedel
Browse files

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: default avatarYong Wu <yong.wu@mediatek.com>
Reviewed-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: default avatarMatthias Brugger <matthias.bgg@gmail.com>
Link: https://lore.kernel.org/r/20220503071427.2285-17-yong.wu@mediatek.com


Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent 9ec30c09

drivers/iommu/mtk_iommu.c

+10 −2
Original line number Diff line number Diff line
@@ -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;