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3 Commits

Author SHA1 Message Date
Ashish Singhal 2bbbdeeea2 MdeModulePkg/XhciPei: Fix Aligned Page Allocation 
Add support for allocating aligned pages at an alignment higher
than 4K. The new function allocated memory taking into account
the padding required and then frees up unused pages before mapping
it.

Signed-off-by: Ashish Singhal <ashishsingha@nvidia.com>
Reviewed-by: Hao A Wu <hao.a.wu@intel.com>
 2019-10-21 08:59:36 +08:00
Michael D Kinney 9d510e61fc MdeModulePkg: Replace BSD License with BSD+Patent License 
https://bugzilla.tianocore.org/show_bug.cgi?id=1373

Replace BSD 2-Clause License with BSD+Patent License.  This change is
based on the following emails:

  https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html
  https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html

RFCs with detailed process for the license change:

  V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html
  V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html
  V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Hao Wu <hao.a.wu@intel.com>
Reviewed-by: Jian J Wang <jian.j.wang@intel.com>
 2019-04-09 10:58:08 -07:00
Jiewen Yao b575ca32c8 MdeModulePkg/XhciPei: Support IoMmu. 
Update XHCI driver to consume IOMMU_PPI to allocate DMA buffer.

If no IOMMU_PPI exists, this driver still calls PEI service
to allocate DMA buffer, with assumption that DRAM==DMA.

This is a compatible change.

Cc: Star Zeng <star.zeng@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
 2017-09-16 09:18:16 +08:00