#include <Base.h>
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DebugLib.h>
#include <Library/DevicePathLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Protocol/SpiConfiguration.h>
#include <Protocol/SpiIo.h>
#include <IndustryStandard/SpiNorFlashJedecSfdp.h>
#include "SpiNorFlash.h"
#include "SpiNorFlashJedecSfdpInternal.h"

Functions
VOID	CreateSpiFastReadTableEntry (IN SPI_NOR_FLASH_INSTANCE *Instance, IN UINT32 FastReadInstruction, IN UINT32 FastReadModeClk, IN UINT32 FastReadDummyClk)

VOID	CalculateEraseTiming (IN UINT32 SfdpEraseTypicalTime, IN UINT32 SfdpEraseTimeMultiplier, OUT UINT32 EraseTypicalTime, OUT UINT64 EraseTimeout)

VOID	DebugPrintEraseType (IN SFDP_SUPPORTED_ERASE_TYPE_RECORD *SupportedEraseType)

VOID	CreateEraseTypeEntry (IN SPI_NOR_FLASH_INSTANCE Instance, IN SFDP_SUPPORTED_ERASE_TYPE_RECORD SupportedEraseType)

VOID	BuildUpEraseTypeTable (IN SPI_NOR_FLASH_INSTANCE *Instance)

BOOLEAN	IsTargetEraseType (IN UINT16 EraseType, IN UINT8 TargetTypeNum, IN UINT8 *TargetTypes)

EFI_STATUS	GetEraseTypeRecord (IN SPI_NOR_FLASH_INSTANCE Instance, IN SFDP_SEARCH_ERASE_TYPE SearchType, IN UINT32 SearchValue, IN UINT8 SupportedTypeTargetNum, IN UINT8 SupportedTypeTarget OPTIONAL, OUT SFDP_SUPPORTED_ERASE_TYPE_RECORD **EraseTypeRecord)

EFI_STATUS	GetEraseBlockAttribute (IN SPI_NOR_FLASH_INSTANCE Instance, IN SFDP_SECTOR_REGION_RECORD FlashRegion, IN UINT32 FlashAddress, IN UINT32 RemainingSize, IN OUT UINT32 BlockSizeToErase, IN OUT UINT32 BlockCountToErase, OUT UINT8 BlockEraseCommand, OUT UINT32 TypicalTime, OUT UINT64 *MaximumTimeout)

EFI_STATUS	GetRegionByFlashAddress (IN SPI_NOR_FLASH_INSTANCE Instance, IN UINT32 FlashAddress, OUT SFDP_SECTOR_REGION_RECORD *FlashRegion)

VOID	BuildUpFastReadTable (IN SPI_NOR_FLASH_INSTANCE *Instance)

EFI_STATUS	SetupRegionEraseInfo (IN SPI_NOR_FLASH_INSTANCE Instance, IN SFDP_SECTOR_REGION_RECORD RegionRecord)

EFI_STATUS	CreateSingleFlashSectorMap (IN SPI_NOR_FLASH_INSTANCE *Instance)

EFI_STATUS	SetSectorEraseBlockSize (IN SPI_NOR_FLASH_INSTANCE *Instance)

EFI_STATUS	GetCurrentSectorMapConfiguration (IN SPI_NOR_FLASH_INSTANCE *Instance)

EFI_STATUS	BuildSectorMapCommandAndMap (IN SPI_NOR_FLASH_INSTANCE *Instance)

VOID	GetWriteEnableCommand (IN SPI_NOR_FLASH_INSTANCE *Instance)

EFI_STATUS	GetFastReadParameter (IN SPI_NOR_FLASH_INSTANCE Instance, IN OUT UINT8 FastReadInstruction, IN OUT UINT8 FastReadModeBits, IN OUT UINT8 FastReadDummyClocks)

UINT32	SfdpGetFlashSize (IN SPI_NOR_FLASH_INSTANCE *Instance)

EFI_STATUS EFIAPI	ReadSfdpHeader (IN SPI_NOR_FLASH_INSTANCE *Instance)

EFI_STATUS	ReadSfdp (IN SPI_NOR_FLASH_INSTANCE *Instance)

EFI_STATUS EFIAPI	ReadSfdpParameterHeader (IN SPI_NOR_FLASH_INSTANCE Instance, IN SFDP_PARAMETER_HEADER SfdpParameterHeader, IN UINT8 ParameterIdMsb, IN UINT8 ParameterIdLsb)

EFI_STATUS EFIAPI	SpiReadSfdpPtp (IN SPI_NOR_FLASH_INSTANCE Instance, IN UINT32 TablePointer, IN VOID DestBuffer, IN UINT32 LengthInBytes)

EFI_STATUS	ReadSfdpSectorMapParameterTable (IN SPI_NOR_FLASH_INSTANCE *Instance)

EFI_STATUS	ReadSfdpBasicParameterTable (IN SPI_NOR_FLASH_INSTANCE *Instance)

EFI_STATUS	InitialSpiNorFlashSfdpInstance (IN SPI_NOR_FLASH_INSTANCE *Instance)

Detailed Description

SPI NOR Flash JEDEC Serial Flash Discoverable Parameters (SFDP) common functions.

SPDX-License-Identifier: BSD-2-Clause-Patent

Revision Reference:

JEDEC Standard, JESD216F.02 https://www.jedec.org/document_search?search_api_views_fulltext=JESD216

Glossary:

SFDP - Serial Flash Discoverable Parameters
PTP - Parameter Table Pointer

Definition in file SpiNorFlashJedecSfdp.c.

Function Documentation

◆ BuildSectorMapCommandAndMap()

EFI_STATUS BuildSectorMapCommandAndMap ( IN SPI_NOR_FLASH_INSTANCE * Instance )

Build sector map configurations.

Parameters

[in] Instance SPI Nor Flash Instance data with pointer to EFI_SPI_NOR_FLASH_PROTOCOL and EFI_SPI_IO_PROTOCOL.

Return values

EFI_SUCCESS Records of sector map configuration command and map descriptor are built up successfully. EFI_OUT_OF_RESOURCES Not enough memory resource. EFI_DEVICE_ERROR SFDP Sector Map Parameter is not constructed correctly.

Definition at line 927 of file SpiNorFlashJedecSfdp.c.

◆ BuildUpEraseTypeTable()

VOID BuildUpEraseTypeTable ( IN SPI_NOR_FLASH_INSTANCE * Instance )

Build up the erase type tables.

Parameters

[in] Instance SPI Nor Flash Instance data with pointer to EFI_SPI_NOR_FLASH_PROTOCOL and EFI_SPI_IO_PROTOCOL.

Definition at line 171 of file SpiNorFlashJedecSfdp.c.

◆ BuildUpFastReadTable()

VOID BuildUpFastReadTable ( IN SPI_NOR_FLASH_INSTANCE * Instance )

Build up the Fast Read capability tables. The earlier linked table in the linked list has the faster transfer. NOTE: 1. The Quad input instructions mentioned in 21th DWOWRD are not considered yet.

Maximum speed options for certain Fast Read modes are not considered yet. (e.g., 8D-8D-8D or 4S-4D-4D)

Parameters

[in] Instance SPI Nor Flash Instance data with pointer to EFI_SPI_NOR_FLASH_PROTOCOL and EFI_SPI_IO_PROTOCOL.

Definition at line 552 of file SpiNorFlashJedecSfdp.c.

◆ CalculateEraseTiming()

VOID CalculateEraseTiming	(	IN UINT32	SfdpEraseTypicalTime,
		IN UINT32	SfdpEraseTimeMultiplier,
		OUT UINT32 *	EraseTypicalTime,
		OUT UINT64 *	EraseTimeout
	)

Calculate erase type typical time.

Parameters

[in]	SfdpEraseTypicalTime	Erase type typical time indicated in Basic Flash Parameter Table. EraseTypicalTime [0:4] - Count EraseTypicalTime [5:6] - Unit 00b: 1ms 01b: 16ms 10b: 128ms 11b: 1s
[in]	SfdpEraseTimeMultiplier	Multiplier from erase typical time.
[out]	EraseTypicalTime	Pointer to receive Erase typical time in milliseconds.
[out]	EraseTimeout	Pointer to receive Erase timeout in milliseconds.

Definition at line 88 of file SpiNorFlashJedecSfdp.c.

◆ CreateEraseTypeEntry()

VOID CreateEraseTypeEntry	(	IN SPI_NOR_FLASH_INSTANCE *	Instance,
		IN SFDP_SUPPORTED_ERASE_TYPE_RECORD *	SupportedEraseType
	)

Insert supported erase type entry.

Parameters

[in]	Instance	SPI Nor Flash Instance data with pointer to EFI_SPI_NOR_FLASH_PROTOCOL and EFI_SPI_IO_PROTOCOL.
[in]	SupportedEraseType	Pointer to SFDP_SUPPORTED_ERASE_TYPE_RECORD.

Definition at line 150 of file SpiNorFlashJedecSfdp.c.

◆ CreateSingleFlashSectorMap()

EFI_STATUS CreateSingleFlashSectorMap ( IN SPI_NOR_FLASH_INSTANCE * Instance )

Create a single flash sector map.

Parameters

[in] Instance SPI Nor Flash Instance data with pointer to EFI_SPI_NOR_FLASH_PROTOCOL and EFI_SPI_IO_PROTOCOL.

Return values

EFI_SUCCESS Current sector map configuration is determined. EFI_DEVICE_ERROR Current sector map configuration is not found.

Definition at line 701 of file SpiNorFlashJedecSfdp.c.

◆ CreateSpiFastReadTableEntry()

VOID CreateSpiFastReadTableEntry	(	IN SPI_NOR_FLASH_INSTANCE *	Instance,
		IN UINT32	FastReadInstruction,
		IN UINT32	FastReadModeClk,
		IN UINT32	FastReadDummyClk
	)

Build up the Fast Read capability entry and link it to the linked list.

Parameters

[in]	Instance	SPI Nor Flash Instance data with pointer to EFI_SPI_NOR_FLASH_PROTOCOL and EFI_SPI_IO_PROTOCOL.
[in]	FastReadInstruction	The string of fast read instruction.
[in]	FastReadModeClk	The string of fast read mode clock.
[in]	FastReadDummyClk	The string of fast read dummy clock.

Definition at line 44 of file SpiNorFlashJedecSfdp.c.

◆ DebugPrintEraseType()

VOID DebugPrintEraseType ( IN SFDP_SUPPORTED_ERASE_TYPE_RECORD * SupportedEraseType )

Print out the erase type information.

Parameters

[in] SupportedEraseType Pointer to SFDP_SUPPORTED_ERASE_TYPE_RECORD.

Definition at line 130 of file SpiNorFlashJedecSfdp.c.

◆ GetCurrentSectorMapConfiguration()

EFI_STATUS GetCurrentSectorMapConfiguration ( IN SPI_NOR_FLASH_INSTANCE * Instance )

Get the current sector map configuration.

Parameters

[in] Instance SPI Nor Flash Instance data with pointer to EFI_SPI_NOR_FLASH_PROTOCOL and EFI_SPI_IO_PROTOCOL.

Return values

EFI_SUCCESS Current sector map configuration is determined. EFI_DEVICE_ERROR Current sector map configuration is not found.

Definition at line 797 of file SpiNorFlashJedecSfdp.c.

◆ GetEraseBlockAttribute()

EFI_STATUS GetEraseBlockAttribute	(	IN SPI_NOR_FLASH_INSTANCE *	Instance,
		IN SFDP_SECTOR_REGION_RECORD *	FlashRegion,
		IN UINT32	FlashAddress,
		IN UINT32	RemainingSize,
		IN OUT UINT32 *	BlockSizeToErase,
		IN OUT UINT32 *	BlockCountToErase,
		OUT UINT8 *	BlockEraseCommand,
		OUT UINT32 *	TypicalTime,
		OUT UINT64 *	MaximumTimeout
	)

Get the erase block attribute for the target address.

Parameters

[in]	Instance	Spi Nor Flash Instance data with pointer to EFI_SPI_NOR_FLASH_PROTOCOL and EFI_SPI_IO_PROTOCOL
[in]	FlashRegion	The region the flash address belong.
[in]	FlashAddress	The target flash address.
[in]	RemainingSize	Remaining size to erase.
[in,out]	BlockSizeToErase	Input - The block erase size for this continious blocks. Output - The determined block size for erasing.
[in,out]	BlockCountToErase	Input - The expected blocks to erase. Output - The determined number of blocks to erase.
[out]	BlockEraseCommand	The erase command used for this continious blocks.
[out]	TypicalTime	Pointer to receive the typical time in millisecond to erase this erase type size.
[out]	MaximumTimeout	Pointer to receive the maximum timeout in millisecond to erase this erase type size.

Return values

EFI_SUCCESS	The erase block attribute is returned.
EFI_DEVICE_ERROR	No valid SFDP discovered.
EFI_NOT_FOUND	No valud erase block attribute found.

Definition at line 439 of file SpiNorFlashJedecSfdp.c.

◆ GetEraseTypeRecord()

EFI_STATUS GetEraseTypeRecord	(	IN SPI_NOR_FLASH_INSTANCE *	Instance,
		IN SFDP_SEARCH_ERASE_TYPE	SearchType,
		IN UINT32	SearchValue,
		IN UINT8	SupportedTypeTargetNum,
		IN UINT8 *SupportedTypeTarget	OPTIONAL,
		OUT SFDP_SUPPORTED_ERASE_TYPE_RECORD **	EraseTypeRecord
	)

Search the erase type record according to the given search type and value.

Parameters

[in]	Instance	SPI Nor Flash Instance data with pointer to EFI_SPI_NOR_FLASH_PROTOCOL and EFI_SPI_IO_PROTOCOL.
[in]	SearchType	Search type.
[in]	SearchValue	The value of according to search type. For SearchEraseTypeByCommand: SearchValue is the erase instruction. For SearchEraseTypeBySize: SearchValue is the erase block size. For SearchEraseTypeBySmallestSize: SearchValue is not used. For SearchEraseTypeByBiggestSize: SearchValue is not used.
[in]	SupportedTypeTargetNum	Only search the specific erase types.
[in]	SupportedTypeTarget	Pointer to SupportedTypeTargetNum of supported erase types.
[out]	EraseTypeRecord	Pointer to receive the erase type record.

Return values

EFI_SUCCESS Pointer to erase type record is returned. EFI_INVALID_PARAMETER Invalid SearchType. EFI_NOT_FOUND Erase type not found.

Definition at line 314 of file SpiNorFlashJedecSfdp.c.

◆ GetFastReadParameter()

EFI_STATUS GetFastReadParameter	(	IN SPI_NOR_FLASH_INSTANCE *	Instance,
		IN OUT UINT8 *	FastReadInstruction,
		IN OUT UINT8 *	FastReadModeBits,
		IN OUT UINT8 *	FastReadDummyClocks
	)

This routine returns the desired Fast Read mode.

Parameters

[in]	Instance	Spi Nor Flash Instance data with pointer to EFI_SPI_NOR_FLASH_PROTOCOL and EFI_SPI_IO_PROTOCOL
[in,out]	FastReadInstruction	Fast Read instruction, the input is the default value.
[in,out]	FastReadModeBits	The operational mode bits.
[in,out]	FastReadDummyClocks	Fast Read wait state (Dummy clocks), the input is the default value.

Return values

EFI_SUCCESS	The parameters are updated.
EFI_NOT_FOUND	No desired Fas Read mode found.

Definition at line 1150 of file SpiNorFlashJedecSfdp.c.

◆ GetRegionByFlashAddress()

EFI_STATUS GetRegionByFlashAddress	(	IN SPI_NOR_FLASH_INSTANCE *	Instance,
		IN UINT32	FlashAddress,
		OUT SFDP_SECTOR_REGION_RECORD **	FlashRegion
	)

Get the erase block attribute for the target address.

Parameters

[in]	Instance	Spi Nor Flash Instance data with pointer to EFI_SPI_NOR_FLASH_PROTOCOL and EFI_SPI_IO_PROTOCOL
[in]	FlashAddress	The target flash address.
[out]	FlashRegion	The target flash address.

Return values

EFI_SUCCESS	The region is returned.
EFI_INVALID_PARAMETER	FlashAddress is not belong to any region.
Otherwise	Other errors.

Definition at line 503 of file SpiNorFlashJedecSfdp.c.

◆ GetWriteEnableCommand()

VOID GetWriteEnableCommand ( IN SPI_NOR_FLASH_INSTANCE * Instance )

This routine get Write Enable latch command.

Parameters

[in] Instance SPI Nor Flash Instance data with pointer to EFI_SPI_NOR_FLASH_PROTOCOL and EFI_SPI_IO_PROTOCOL.

Definition at line 1116 of file SpiNorFlashJedecSfdp.c.

◆ InitialSpiNorFlashSfdpInstance()

EFI_STATUS InitialSpiNorFlashSfdpInstance ( IN SPI_NOR_FLASH_INSTANCE * Instance )

Initial SPI_NOR_FLASH_INSTANCE structure.

Parameters

[in] Instance Pointer to SPI_NOR_FLASH_INSTANCE. EFI_SPI_NOR_FLASH_PROTOCOL and EFI_SPI_IO_PROTOCOL

Return values

EFI_SUCCESS	SPI_NOR_FLASH_INSTANCE is initialized according to SPI NOR Flash SFDP specification.
EFI_INVALID_PARAMETER	Instance = NULL or Instance->SpiIo == NULL or Instance->SpiIo->SpiPeripheral == NULL or Instance->SpiIo->SpiPeripheral->SpiBus == NULL or Instance->SpiIo->SpiPeripheral->SpiBus->ControllerPath.
Otherwise	Failed to initial SPI_NOR_FLASH_INSTANCE structure.

Definition at line 1710 of file SpiNorFlashJedecSfdp.c.

◆ IsTargetEraseType()

BOOLEAN IsTargetEraseType	(	IN UINT16	EraseType,
		IN UINT8	TargetTypeNum,
		IN UINT8 *	TargetTypes
	)

This function check if the erase type is one of the target erase types.

Parameters

[in]	EraseType	The erase type.
[in]	TargetTypeNum	Number of target search types.
[in]	TargetTypes	Target types.

Return values

TRUE	Yes, this is the target erase type.
FALSE	No, this is not the target erase type.

Definition at line 271 of file SpiNorFlashJedecSfdp.c.

◆ ReadSfdp()

EFI_STATUS ReadSfdp ( IN SPI_NOR_FLASH_INSTANCE * Instance )

Read SFDP This routine reads the JEDEC SPI Flash Discoverable Parameters. We just read the necessary tables in this routine.

Parameters

[in] Instance Spi Nor Flash Instance data with pointer to EFI_SPI_NOR_FLASH_PROTOCOL and EFI_SPI_IO_PROTOCOL

Return values

EFI_SUCCESS	Header is filled in
EFI_DEVICE_ERROR	Invalid data received from SPI flash part.

Definition at line 1289 of file SpiNorFlashJedecSfdp.c.

◆ ReadSfdpBasicParameterTable()

EFI_STATUS ReadSfdpBasicParameterTable ( IN SPI_NOR_FLASH_INSTANCE * Instance )

Read SFDP Basic Parameters into buffer.

This routine reads the JEDEC SPI Flash Discoverable Parameters from the SPI chip.

Parameters

[in] Instance Spi Nor Flash Instance data with pointer to EFI_SPI_NOR_FLASH_PROTOCOL and EFI_SPI_IO_PROTOCOL

Return values

EFI_SUCCESS	The SPI part size is filled.
EFI_DEVICE_ERROR	Invalid data received from SPI flash part.
EFI_NOT_FOUND	Parameter header is not found.

Definition at line 1640 of file SpiNorFlashJedecSfdp.c.

◆ ReadSfdpHeader()

EFI_STATUS EFIAPI ReadSfdpHeader ( IN SPI_NOR_FLASH_INSTANCE * Instance )

Read SFDP Header

This routine reads the JEDEC SPI Flash Discoverable Parameter header from the SPI chip. Fails if Major Revision is not = 1

Parameters

[in] Instance Spi Nor Flash Instance data with pointer to EFI_SPI_NOR_FLASH_PROTOCOL and EFI_SPI_IO_PROTOCOL

Return values

EFI_SUCCESS	Header is filled in
EFI_DEVICE_ERROR	Invalid data received from SPI flash part.

Definition at line 1228 of file SpiNorFlashJedecSfdp.c.

◆ ReadSfdpParameterHeader()

EFI_STATUS EFIAPI ReadSfdpParameterHeader	(	IN SPI_NOR_FLASH_INSTANCE *	Instance,
		IN SFDP_PARAMETER_HEADER *	SfdpParameterHeader,
		IN UINT8	ParameterIdMsb,
		IN UINT8	ParameterIdLsb
	)

Read SFDP Specific Parameter Header.

This routine reads the JEDEC SPI Flash Discoverable Parameter header from the SPI chip. Fails if Major Revision is not = SFDP_SUPPORTED_MAJOR_REVISION.

Parameters

[in]	Instance	Spi Nor Flash Instance data with pointer to EFI_SPI_NOR_FLASH_PROTOCOL and EFI_SPI_IO_PROTOCOL
[in]	SfdpParameterHeader	SFDP Header Buffer Pointer
[in]	ParameterIdMsb	Most significant byte of parameter ID.
[in]	ParameterIdLsb	Lowest significant byte of parameter ID.

Return values

EFI_SUCCESS	Header is filled in
EFI_DEVICE_ERROR	Invalid data received from SPI flash part.
EFI_NOT_FOUND	Unsupported Parameter Header.

Definition at line 1382 of file SpiNorFlashJedecSfdp.c.

◆ ReadSfdpSectorMapParameterTable()

EFI_STATUS ReadSfdpSectorMapParameterTable ( IN SPI_NOR_FLASH_INSTANCE * Instance )

Read SFDP Sector Map Parameter into buffer.

This routine reads the JEDEC SPI Flash Discoverable Parameters from the SPI chip.

Parameters

[in] Instance Spi Nor Flash Instance data with pointer to EFI_SPI_NOR_FLASH_PROTOCOL and EFI_SPI_IO_PROTOCOL

Return values

EFI_SUCCESS	The SPI part size is filled.
EFI_DEVICE_ERROR	Invalid data received from SPI flash part.

Definition at line 1572 of file SpiNorFlashJedecSfdp.c.

◆ SetSectorEraseBlockSize()

EFI_STATUS SetSectorEraseBlockSize ( IN SPI_NOR_FLASH_INSTANCE * Instance )

Set EraseBlockBytes in SPI NOR Flash Protocol.

Parameters

[in] Instance Spi Nor Flash Instance data with pointer to EFI_SPI_NOR_FLASH_PROTOCOL and EFI_SPI_IO_PROTOCOL

Return values

EFI_SUCCESS	The erase block size is returned.
Otherwise	Failed to get erase block size.

Definition at line 768 of file SpiNorFlashJedecSfdp.c.

◆ SetupRegionEraseInfo()

EFI_STATUS SetupRegionEraseInfo	(	IN SPI_NOR_FLASH_INSTANCE *	Instance,
		IN SFDP_SECTOR_REGION_RECORD *	RegionRecord
	)

This function sets up the erase types supported by this region.

Parameters

[in]	Instance	SPI Nor Flash Instance data with pointer to EFI_SPI_NOR_FLASH_PROTOCOL and EFI_SPI_IO_PROTOCOL.
[in]	RegionRecord	Pointer to SFDP_SECTOR_REGION_RECORD of this regions.

Return values

EFI_SUCCESS Current sector map configuration is determined. EFI_DEVICE_ERROR Current sector map configuration is not found.

Definition at line 653 of file SpiNorFlashJedecSfdp.c.

◆ SfdpGetFlashSize()

UINT32 SfdpGetFlashSize ( IN SPI_NOR_FLASH_INSTANCE * Instance )

Return the flash device size from SFDP Basic Flash Parameter Table DWORD 2.

Parameters

[in] Instance Spi Nor Flash Instance data with pointer to EFI_SPI_NOR_FLASH_PROTOCOL and EFI_SPI_IO_PROTOCOL.

Return values

UINT32 Flash device size in byte, zero indicates error.

Definition at line 1186 of file SpiNorFlashJedecSfdp.c.

◆ SpiReadSfdpPtp()

EFI_STATUS EFIAPI SpiReadSfdpPtp	(	IN SPI_NOR_FLASH_INSTANCE *	Instance,
		IN UINT32	TablePointer,
		IN VOID *	DestBuffer,
		IN UINT32	LengthInBytes
	)

Read from SFDP table pointer.

This routine sends SPI_FLASH_RDSFDP command and reads parameter from the given TablePointer.

Parameters

[in]	Instance	Spi Nor Flash Instance data with pointer to EFI_SPI_NOR_FLASH_PROTOCOL and EFI_SPI_IO_PROTOCOL
[in]	TablePointer	Pointer to read data from SFDP.
[in]	DestBuffer	Destination buffer.
[in]	LengthInBytes	Length to read.

Return values

EFI_SUCCESS	The SPI part size is filled.
EFI_DEVICE_ERROR	Invalid data received from SPI flash part.
Other	errors

Definition at line 1490 of file SpiNorFlashJedecSfdp.c.

Functions

Detailed Description

Function Documentation

◆ BuildSectorMapCommandAndMap()

◆ BuildUpEraseTypeTable()

◆ BuildUpFastReadTable()

◆ CalculateEraseTiming()

◆ CreateEraseTypeEntry()

◆ CreateSingleFlashSectorMap()

◆ CreateSpiFastReadTableEntry()

◆ DebugPrintEraseType()

◆ GetCurrentSectorMapConfiguration()

◆ GetEraseBlockAttribute()

◆ GetEraseTypeRecord()

◆ GetFastReadParameter()

◆ GetRegionByFlashAddress()

◆ GetWriteEnableCommand()

◆ InitialSpiNorFlashSfdpInstance()

◆ IsTargetEraseType()

◆ ReadSfdp()

◆ ReadSfdpBasicParameterTable()

◆ ReadSfdpHeader()

◆ ReadSfdpParameterHeader()

◆ ReadSfdpSectorMapParameterTable()

◆ SetSectorEraseBlockSize()

◆ SetupRegionEraseInfo()

◆ SfdpGetFlashSize()

◆ SpiReadSfdpPtp()