Re: [PATCH v5 13/20] iommu/mediatek: Add mt8183 IOMMU support

2019-01-30 Thread Yong Wu
On Wed, 2019-01-30 at 10:31 -0800, Evan Green wrote: > On Mon, Dec 31, 2018 at 7:59 PM Yong Wu wrote: > > > > The M4U IP blocks in mt8183 is MediaTek's generation2 M4U which use > > the ARM Short-descriptor like mt8173, and most of the HW registers > > are the same. > > > > Here list main differen

Re: [PATCH v5 13/20] iommu/mediatek: Add mt8183 IOMMU support

2019-01-30 Thread Evan Green
On Mon, Dec 31, 2018 at 7:59 PM Yong Wu wrote: > > The M4U IP blocks in mt8183 is MediaTek's generation2 M4U which use > the ARM Short-descriptor like mt8173, and most of the HW registers > are the same. > > Here list main differences between mt8183 and mt8173/mt2712: > 1) mt8183 has only one M4U

[PATCH v5 13/20] iommu/mediatek: Add mt8183 IOMMU support

2018-12-31 Thread Yong Wu
The M4U IP blocks in mt8183 is MediaTek's generation2 M4U which use the ARM Short-descriptor like mt8173, and most of the HW registers are the same. Here list main differences between mt8183 and mt8173/mt2712: 1) mt8183 has only one M4U HW like mt8173 while mt2712 has two. 2) mt8183 don't have the