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Add TperReset Logic By using MOR bit - Remove the unnecessary parameter.

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Signed-off-by: Ouyang, Qian <Qian.Ouyang@intel.com>
Reviewed-by: Yao, Jiewen <jiewen.yao@intel.com>


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13734 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
qianouyang
2012-09-19 02:14:51 +00:00
parent 0357efe3f5
commit 2ca8548911
1 changed files with 9 additions and 13 deletions
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22
MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.c
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@ -19,7 +19,6 @@
#include "AtaBus.h" #include "AtaBus.h"
UINT8 mMorControl; UINT8 mMorControl;
BOOLEAN mHasMor;
// //
// ATA Bus Driver Binding Protocol Instance // ATA Bus Driver Binding Protocol Instance
@ -370,16 +369,15 @@ RegisterAtaDevice (
DEBUG ((EFI_D_INFO, "Successfully Install Storage Security Protocol on the ATA device\n")); DEBUG ((EFI_D_INFO, "Successfully Install Storage Security Protocol on the ATA device\n"));
} }
if (mHasMor) {
if (((mMorControl & 0x01) == 0x01) && ((AtaDevice->IdentifyData->trusted_computing_support & BIT0) != 0)) { if (((mMorControl & 0x01) == 0x01) && ((AtaDevice->IdentifyData->trusted_computing_support & BIT0) != 0)) {
DEBUG ((EFI_D_INFO, DEBUG ((EFI_D_INFO,
"mMorControl = %x, AtaDevice->IdentifyData->trusted_computing_support & BIT0 = %x\n", "mMorControl = %x, AtaDevice->IdentifyData->trusted_computing_support & BIT0 = %x\n",
mMorControl, mMorControl,
(AtaDevice->IdentifyData->trusted_computing_support & BIT0) (AtaDevice->IdentifyData->trusted_computing_support & BIT0)
)); ));
DEBUG ((EFI_D_INFO, "Try to lock device by sending TPer Reset command...\n")); DEBUG ((EFI_D_INFO, "Try to lock device by sending TPer Reset command...\n"));
InitiateTPerReset(AtaDevice); InitiateTPerReset(AtaDevice);
}
} }
gBS->OpenProtocol ( gBS->OpenProtocol (
@ -1683,12 +1681,10 @@ InitializeAtaBus(
if (EFI_ERROR (Status)) { if (EFI_ERROR (Status)) {
DEBUG ((EFI_D_INFO, "AtaBus:gEfiMemoryOverwriteControlDataGuid doesn't exist!!***\n")); DEBUG ((EFI_D_INFO, "AtaBus:gEfiMemoryOverwriteControlDataGuid doesn't exist!!***\n"));
mHasMor = FALSE;
mMorControl = 0; mMorControl = 0;
Status = EFI_SUCCESS; Status = EFI_SUCCESS;
} else { } else {
DEBUG ((EFI_D_INFO, "AtaBus:Get the gEfiMemoryOverwriteControlDataGuid = %x!!***\n", mMorControl)); DEBUG ((EFI_D_INFO, "AtaBus:Get the gEfiMemoryOverwriteControlDataGuid = %x!!***\n", mMorControl));
mHasMor = TRUE;
} }
return Status; return Status;