mirror of https://github.com/acidanthera/audk.git
87 lines
2.9 KiB
C
87 lines
2.9 KiB
C
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/** @file
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Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php.
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef _SD_MMC_PCI_HOST_CONTROLLER_PEI_H_
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#define _SD_MMC_PCI_HOST_CONTROLLER_PEI_H_
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#include <PiPei.h>
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#include <Ppi/MasterBootMode.h>
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#include <Ppi/SdMmcHostController.h>
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#include <IndustryStandard/Pci.h>
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#include <Library/DebugLib.h>
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#include <Library/BaseLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/PciLib.h>
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#include <Library/PeiServicesLib.h>
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#include <Library/MemoryAllocationLib.h>
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#define SD_MMC_HC_PEI_SIGNATURE SIGNATURE_32 ('S', 'D', 'M', 'C')
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#define MAX_SD_MMC_HCS 8
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#define MAX_SD_MMC_SLOTS 6
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//
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// SD Host Controller SlotInfo Register Offset
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//
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#define SD_MMC_HC_PEI_SLOT_OFFSET 0x40
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typedef struct {
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UINT8 FirstBar:3; // bit 0:2
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UINT8 Reserved:1; // bit 3
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UINT8 SlotNum:3; // bit 4:6
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UINT8 Reserved1:1; // bit 7
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} SD_MMC_HC_PEI_SLOT_INFO;
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typedef struct {
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UINTN SlotNum;
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UINTN MmioBarAddr[MAX_SD_MMC_SLOTS];
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} SD_MMC_HC_PEI_BAR;
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typedef struct {
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UINTN Signature;
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EDKII_SD_MMC_HOST_CONTROLLER_PPI SdMmcHostControllerPpi;
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EFI_PEI_PPI_DESCRIPTOR PpiList;
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UINTN TotalSdMmcHcs;
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SD_MMC_HC_PEI_BAR MmioBar[MAX_SD_MMC_HCS];
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} SD_MMC_HC_PEI_PRIVATE_DATA;
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#define SD_MMC_HC_PEI_PRIVATE_DATA_FROM_THIS(a) CR (a, SD_MMC_HC_PEI_PRIVATE_DATA, SdMmcHostControllerPpi, SD_MMC_HC_PEI_SIGNATURE)
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/**
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Get the MMIO base address of SD/MMC host controller.
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@param[in] This The protocol instance pointer.
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@param[in] ControllerId The ID of the SD/MMC host controller.
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@param[in,out] MmioBar The pointer to store the array of available
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SD/MMC host controller slot MMIO base addresses.
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The entry number of the array is specified by BarNum.
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@param[out] BarNum The pointer to store the supported bar number.
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@retval EFI_SUCCESS The operation succeeds.
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@retval EFI_INVALID_PARAMETER The parameters are invalid.
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**/
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EFI_STATUS
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EFIAPI
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GetSdMmcHcMmioBar (
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IN EDKII_SD_MMC_HOST_CONTROLLER_PPI *This,
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IN UINT8 ControllerId,
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IN OUT UINTN **MmioBar,
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OUT UINT8 *BarNum
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);
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#endif
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