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/** @file
Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials are licensed and made available under
the terms and conditions of the BSD License that accompanies this distribution.
The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include <Library/MmPciBaseLib.h>
#include <PiDxe.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/DxeServicesTableLib.h>
#include <Protocol/SiliconRegAccess.h>
#include <Library/DebugLib.h>
#include <Guid/DxeServices.h>
#include <Library/UefiLib.h>
USRA_PROTOCOL *mPciUsra = NULL;
/**
The constructor function initialize UsraProtocol.
@retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
**/
EFI_STATUS
EFIAPI
DxeMmPciLibConstructor (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
if (mPciUsra == NULL)
{
//
// USRA protocol need to be installed before the module access USRA.
//
Status = gBS->LocateProtocol (&gUsraProtocolGuid, NULL, (VOID **)&mPciUsra);
ASSERT_EFI_ERROR (Status);
ASSERT (mPciUsra != NULL);
}
return EFI_SUCCESS;
}
/**
This procedure will get PCIE address
@param[in] Bus Pci Bus Number
@param[in] Device Pci Device Number
@param[in] Function Pci Function Number
@retval PCIE address
**/
UINTN
MmPciBase (
IN UINT32 Bus,
IN UINT32 Device,
IN UINT32 Function
)
{
USRA_ADDRESS Address;
USRA_PCIE_ADDRESS(Address, UsraWidth32, Bus, Device, Function, 0);
return mPciUsra->GetRegAddr (&Address);
}
/**
This procedure will get PCIE address
@param[in] Seg Pcie Segment Number
@param[in] Bus Pcie Bus Number
@param[in] Device Pcie Device Number
@param[in] Function Pcie Function Number
@retval PCIE address
**/
UINTN
MmPciAddress(
IN UINT32 Seg,
IN UINT32 Bus,
IN UINT32 Device,
IN UINT32 Function,
IN UINT32 Register
)
{
USRA_ADDRESS Address;
USRA_PCIE_SEG_ADDRESS(Address, UsraWidth32, Seg, Bus, Device, Function, Register);
return mPciUsra->GetRegAddr (&Address);
}
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