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2 Commits

Author SHA1 Message Date
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
Star Zeng d987459f8e MdeModulePkg XhciPei/UsbBusPei: Add XHCI recovery support. 
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15611 6f19259b-4bc3-4df7-8a09-765794883524
 2014-07-02 03:20:49 +00:00