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Guo Dong
5e10bd1e07
To align with EDK2, update file license to use BSD+Patent license Signed-off-by: Guo Dong <guo.dong@intel.com>
74 lines
1.7 KiB
C
74 lines
1.7 KiB
C
/** @file
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Copyright (c) 2017 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _MMC_TUNING_LIB_H_
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#define _MMC_TUNING_LIB_H_
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#include <Uefi/UefiBaseType.h>
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/**
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This structure describes the return value after HS400 tuning
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**/
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typedef struct {
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UINT8 Hs400DataValid; ///< Set if Hs400 Tuning Data is valid after tuning
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UINT8 Hs400RxStrobe1Dll; ///< Rx Strobe Delay Control - Rx Strobe Delay DLL 1 (HS400 Mode)
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UINT8 Hs400TxDataDll; ///< Tx Data Delay Control 1 - Tx Data Delay (HS400 Mode)
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UINT8 Hs400DriverStrength; ///< Hs400 Driver Strength
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CHAR8 SerialNumber[16]; ///< Stores Serial Number
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} EMMC_TUNING_DATA;
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typedef struct {
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UINT32 TxDataDllCntl1;
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UINT32 RxStrobeDllCntl;
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} EMMC_DLL_TUNING_REG_LIST;
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/**
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Populates the dll tuning register list from loader hob.
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@param[in] RegList DLL Tuning Register list
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**/
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VOID
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EFIAPI
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SetEmmcDllTuningLibData (
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IN EMMC_DLL_TUNING_REG_LIST *RegList
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);
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/**
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Get the dll tuning register list.
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@param[out] RegList DLL Tuning Register list
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@retval EFI_SUCCESS Getting lib data successfully.
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@retval EFI_NOT_FOUND The Lib data is not found.
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**/
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EFI_STATUS
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EFIAPI
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GetEmmcDllTuningLibData (
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OUT EMMC_DLL_TUNING_REG_LIST *RegList
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);
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/**
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This function tuning the device.
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@param[in] DevHcPciBase Device Host Controller's PCI ConfigSpace Base address
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@retval EFI_SUCCESS The request is executed successfully.
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@retval Others The request could not be executed successfully.
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**/
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EFI_STATUS
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EFIAPI
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MmcTuning (
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IN UINTN MmcHcPciBase
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);
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#endif
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