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2017-08-22iommu/mediatek: Add mt2712 IOMMU supportYong Wu
The M4U IP blocks in mt2712 is MTK's generation2 M4U which use the ARM Short-descriptor like mt8173, and most of the HW registers are the same. The difference is that there are 2 M4U HWs in mt2712 while there's only one in mt8173. The purpose of 2 M4U HWs is for balance the bandwidth. Normally if there are 2 M4U HWs, there should be 2 iommu domains, each M4U has a iommu domain. Signed-off-by: Yong Wu <yong.wu@mediatek.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
2016-02-25memory: mediatek: Add SMI driverYong Wu
This patch add SMI(Smart Multimedia Interface) driver. This driver is responsible to enable/disable iommu and control the power domain and clocks of each local arbiter. Signed-off-by: Yong Wu <yong.wu@mediatek.com> Tested-by: Philipp Zabel <p.zabel@pengutronix.de> Reviewed-by: Daniel Kurtz <djkurtz@chromium.org> Tested-by: Daniel Kurtz <djkurtz@chromium.org> Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>