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[EHL] Disable USB RMRR 

Disabling USB RMRR as SMI based legacy USB is not supported.

Signed-off-by: kokweich <kok.wei.chan@intel.com>
This commit is contained in:
kokweich 2021-10-27 18:25:34 +08:00 committed by Maurice Ma
parent 5b8eb13848
commit 2980e182e1
1 changed files with 2 additions and 2 deletions
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4
Silicon/ElkhartlakePkg/Library/VTdLib/VTdLib.c
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@ -443,8 +443,8 @@ DmarTableUpdate (
DEBUG ((DEBUG_INFO, "RMRR Base address IGD %016lX\n", DmarTable->RmrrIgd.RmrrHeader.ReservedMemoryRegionBaseAddress));
DEBUG ((DEBUG_INFO, "RMRR Limit address IGD %016lX\n", DmarTable->RmrrIgd.RmrrHeader.ReservedMemoryRegionLimitAddress));
DmarTable->RmrrUsb.RmrrHeader.ReservedMemoryRegionBaseAddress = 0x3E2E0000;
DmarTable->RmrrUsb.RmrrHeader.ReservedMemoryRegionLimitAddress = 0x3E2FFFFF;
DmarTable->RmrrUsb.RmrrHeader.ReservedMemoryRegionBaseAddress = 0;
DmarTable->RmrrUsb.RmrrHeader.ReservedMemoryRegionLimitAddress = 0;
///
/// Convert to 4KB alignment.