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/** @file
Main implementation source file for the ActiveBios driver
@copyright
Copyright (c) 2005 - 2012 Intel Corporation. All rights reserved
This software and associated documentation (if any) is furnished
under a license and may only be used or copied in accordance
with the terms of the license. Except as permitted by such
license, no part of this software or documentation may be
reproduced, stored in a retrieval system, or transmitted in any
form or by any means without the express written consent of
Intel Corporation.
This file contains an 'Intel Peripheral Driver' and uniquely
identified as "Intel Reference Module" and is
licensed for Intel CPUs and chipsets under the terms of your
license agreement with Intel or your vendor. This file may
be modified by the user, subject to additional terms of the
license agreement
**/
#include "ActiveBios.h"
//
// Global data
//
ACTIVE_BIOS_INSTANCE mPrivateData;
UINT32 mPchRootComplexBar;
/**
ActiveBios driver entry point function.
@param[in] ImageHandle Image handle for this driver image
@param[in] SystemTable Pointer to the EFI System Table
@retval EFI_SUCCESS Application completed successfully
@exception EFI_UNSUPPORTED Unsupported chipset detected
**/
EFI_STATUS
InstallActiveBios (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
EFI_HANDLE Handle;
Status = EFI_SUCCESS;
Handle = NULL;
if (!IsPchSupported ()) {
DEBUG ((EFI_D_ERROR, "Active BIOS Protocol not supported due to no proper PCH LPC found!\n"));
return EFI_UNSUPPORTED;
}
///
/// PCH RCBA must be initialized prior to run this driver.
///
mPchRootComplexBar = PCH_RCRB_BASE;
ASSERT (mPchRootComplexBar != 0);
///
/// Initialize private data
///
mPrivateData.Signature = ACTIVE_BIOS_SIGNATURE;
mPrivateData.Handle = ImageHandle;
///
/// Initialize our ActiveBios protocol
///
Status = ActiveBiosProtocolConstructor (&mPrivateData.ActiveBiosProtocol);
ASSERT_EFI_ERROR (Status);
return Status;
}
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