This patchset implements XHCI on sbsa-ref board to replace EHCI.
As sbsa-ref does not have DRAM below 4G, it cannot utilize EHCI 
that only has 32-bit DMA capablity. Now this board has XHCI as 
an available usb controller with 64-bit DMA capablity.

History:
v2 -> v3:
- remained the original USB hierarchy in DSDT
- changed two usb ports from type A to type C
- refactored patchset
v1 -> v2:
- rebased on master as v1 did not applied
- moved pcd setting in dec file into the first commit

Yuquan Wang (1):
  Platform/SbsaQemu: add XHCI support and replace EHCI

 Silicon/Qemu/SbsaQemu/SbsaQemu.dec            |  4 +-
 Platform/Qemu/SbsaQemu/SbsaQemu.dsc           |  6 +--
 .../Qemu/SbsaQemu/AcpiTables/AcpiTables.inf   |  4 +-
 .../SbsaQemuPlatformDxe.inf                   |  2 +
 .../SbsaQemuPlatformDxe/SbsaQemuPlatformDxe.c | 41 +++++++++++++++----
 Silicon/Qemu/SbsaQemu/AcpiTables/Dsdt.asl     | 15 +++----
 6 files changed, 49 insertions(+), 23 deletions(-)

-- 
2.34.1



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