mirror of https://gitee.com/openkylin/linux.git
349b00c9c0
This patch adds description for MT6779 IOMMU.
MT6779 has two iommus, they are mm_iommu and apu_iommu which
both use ARM Short-Descriptor translation format.
In addition, mm_iommu and apu_iommu are two independent HW instance
, we need to set them separately.
The MT6779 IOMMU hardware diagram is as below, it is only a brief
diagram about iommu, it don't focus on the part of smi_larb, so
I don't describe the smi_larb detailedly.
EMI
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--------------------------------------
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MM_IOMMU APU_IOMMU
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SMI_COMMOM----------- APU_BUS
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SMI_LARB(0~11) | |
| | |
| | --------------
| | | | |
Multimedia engine CCU VPU MDLA EMDA
All the connections are hardware fixed, software can not adjust it.
Signed-off-by: Chao Hao <chao.hao@mediatek.com>
Reviewed-by: Rob Herring <robh+dt@kernel.org>
Link: https://lore.kernel.org/r/20200703044127.27438-2-chao.hao@mediatek.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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| .. | ||
| mt2701-larb-port.h | ||
| mt2712-larb-port.h | ||
| mt6779-larb-port.h | ||
| mt8173-larb-port.h | ||
| mt8183-larb-port.h | ||
| tegra20-mc.h | ||
| tegra30-mc.h | ||
| tegra114-mc.h | ||
| tegra124-mc.h | ||
| tegra186-mc.h | ||
| tegra194-mc.h | ||
| tegra210-mc.h | ||