X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=ArmPlatformPkg%2FDrivers%2FNorFlashDxe%2FNorFlashDxe.h;h=a6854aa3ccb3d14db03a93841245b7ca00a31e46;hp=5abf8fccf6c336ef66dedf5a60dd78f583f9d2bc;hb=452a9ee1a637baf7894943c9f850175f679f8ce6;hpb=5cc45b70c310f853f28b2351f3d93109ff858dcf diff --git a/ArmPlatformPkg/Drivers/NorFlashDxe/NorFlashDxe.h b/ArmPlatformPkg/Drivers/NorFlashDxe/NorFlashDxe.h index 5abf8fccf6..a6854aa3cc 100644 --- a/ArmPlatformPkg/Drivers/NorFlashDxe/NorFlashDxe.h +++ b/ArmPlatformPkg/Drivers/NorFlashDxe/NorFlashDxe.h @@ -1,335 +1,373 @@ -/** @file NorFlashDxe.h - - Copyright (c) 2011, ARM Ltd. All rights reserved.
- This program and the accompanying materials - are licensed and made available under the terms and conditions of the BSD License - which 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. - -**/ - -#ifndef __NOR_FLASH_DXE_H__ -#define __NOR_FLASH_DXE_H__ - - -#include -#include - -#include -#include - -#include -#include -#include -#include - -#define HIGH_16_BITS 0xFFFF0000 -#define LOW_16_BITS 0x0000FFFF -#define LOW_8_BITS 0x000000FF - -// Device access macros -// These are necessary because we use 2 x 16bit parts to make up 32bit data - -#define FOLD_32BIT_INTO_16BIT(value) ( ( value >> 16 ) | ( value & LOW_16_BITS ) ) - -#define GET_LOW_BYTE(value) ( value & LOW_8_BITS ) -#define GET_HIGH_BYTE(value) ( GET_LOW_BYTE( value >> 16 ) ) - -// Each command must be sent simultaneously to both chips, -// i.e. at the lower 16 bits AND at the higher 16 bits -#define CREATE_NOR_ADDRESS(BaseAddr,OffsetAddr) ((BaseAddr) + ((OffsetAddr) << 2)) -#define CREATE_DUAL_CMD(Cmd) ( ( Cmd << 16) | ( Cmd & LOW_16_BITS) ) -#define SEND_NOR_COMMAND(BaseAddr,OffsetAddr,Cmd) MmioWrite32 (CREATE_NOR_ADDRESS(BaseAddr,OffsetAddr), CREATE_DUAL_CMD(Cmd)) -#define GET_NOR_BLOCK_ADDRESS(BaseAddr,Lba,LbaSize)( BaseAddr + (UINTN)((Lba) * LbaSize) ) - -// Status Register Bits -#define P30_SR_BIT_WRITE (BIT7 << 16 | BIT7) -#define P30_SR_BIT_ERASE_SUSPEND (BIT6 << 16 | BIT6) -#define P30_SR_BIT_ERASE (BIT5 << 16 | BIT5) -#define P30_SR_BIT_PROGRAM (BIT4 << 16 | BIT4) -#define P30_SR_BIT_VPP (BIT3 << 16 | BIT3) -#define P30_SR_BIT_PROGRAM_SUSPEND (BIT2 << 16 | BIT2) -#define P30_SR_BIT_BLOCK_LOCKED (BIT1 << 16 | BIT1) -#define P30_SR_BIT_BEFP (BIT0 << 16 | BIT0) - -// Device Commands for Intel StrataFlash(R) Embedded Memory (P30) Family - -// On chip buffer size for buffered programming operations -// There are 2 chips, each chip can buffer up to 32 (16-bit)words, and each word is 2 bytes. -// Therefore the total size of the buffer is 2 x 32 x 2 = 128 bytes -#define P30_MAX_BUFFER_SIZE_IN_BYTES ((UINTN)128) -#define P30_MAX_BUFFER_SIZE_IN_WORDS (P30_MAX_BUFFER_SIZE_IN_BYTES/((UINTN)4)) -#define MAX_BUFFERED_PROG_ITERATIONS 10000000 -#define BOUNDARY_OF_32_WORDS 0x7F - -// CFI Addresses -#define P30_CFI_ADDR_QUERY_UNIQUE_QRY 0x10 -#define P30_CFI_ADDR_VENDOR_ID 0x13 - -// CFI Data -#define CFI_QRY 0x00595251 - -// READ Commands -#define P30_CMD_READ_DEVICE_ID 0x0090 -#define P30_CMD_READ_STATUS_REGISTER 0x0070 -#define P30_CMD_CLEAR_STATUS_REGISTER 0x0050 -#define P30_CMD_READ_ARRAY 0x00FF -#define P30_CMD_READ_CFI_QUERY 0x0098 - -// WRITE Commands -#define P30_CMD_WORD_PROGRAM_SETUP 0x0040 -#define P30_CMD_ALTERNATE_WORD_PROGRAM_SETUP 0x0010 -#define P30_CMD_BUFFERED_PROGRAM_SETUP 0x00E8 -#define P30_CMD_BUFFERED_PROGRAM_CONFIRM 0x00D0 -#define P30_CMD_BEFP_SETUP 0x0080 -#define P30_CMD_BEFP_CONFIRM 0x00D0 - -// ERASE Commands -#define P30_CMD_BLOCK_ERASE_SETUP 0x0020 -#define P30_CMD_BLOCK_ERASE_CONFIRM 0x00D0 - -// SUSPEND Commands -#define P30_CMD_PROGRAM_OR_ERASE_SUSPEND 0x00B0 -#define P30_CMD_SUSPEND_RESUME 0x00D0 - -// BLOCK LOCKING / UNLOCKING Commands -#define P30_CMD_LOCK_BLOCK_SETUP 0x0060 -#define P30_CMD_LOCK_BLOCK 0x0001 -#define P30_CMD_UNLOCK_BLOCK 0x00D0 -#define P30_CMD_LOCK_DOWN_BLOCK 0x002F - -// PROTECTION Commands -#define P30_CMD_PROGRAM_PROTECTION_REGISTER_SETUP 0x00C0 - -// CONFIGURATION Commands -#define P30_CMD_READ_CONFIGURATION_REGISTER_SETUP 0x0060 -#define P30_CMD_READ_CONFIGURATION_REGISTER 0x0003 - -#define NOR_FLASH_SIGNATURE SIGNATURE_32('n', 'o', 'r', '0') -#define INSTANCE_FROM_FVB_THIS(a) CR(a, NOR_FLASH_INSTANCE, FvbProtocol, NOR_FLASH_SIGNATURE) -#define INSTANCE_FROM_BLKIO_THIS(a) CR(a, NOR_FLASH_INSTANCE, BlockIoProtocol, NOR_FLASH_SIGNATURE) - -typedef struct _NOR_FLASH_INSTANCE NOR_FLASH_INSTANCE; - -typedef EFI_STATUS (*NOR_FLASH_INITIALIZE) (NOR_FLASH_INSTANCE* Instance); - -typedef struct { - VENDOR_DEVICE_PATH Vendor; - EFI_DEVICE_PATH_PROTOCOL End; -} NOR_FLASH_DEVICE_PATH; - -struct _NOR_FLASH_INSTANCE { - UINT32 Signature; - EFI_HANDLE Handle; - - BOOLEAN Initialized; - NOR_FLASH_INITIALIZE Initialize; - - UINTN BaseAddress; - UINTN Size; - EFI_LBA StartLba; - - EFI_BLOCK_IO_PROTOCOL BlockIoProtocol; - EFI_BLOCK_IO_MEDIA Media; - - BOOLEAN SupportFvb; - EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL FvbProtocol; - - NOR_FLASH_DEVICE_PATH DevicePath; -}; - -EFI_STATUS -EFIAPI -NorFlashGetDriverName ( - IN EFI_COMPONENT_NAME_PROTOCOL *This, - IN CHAR8 *Language, - OUT CHAR16 **DriverName - ); - -EFI_STATUS -EFIAPI -NorFlashGetControllerName ( - IN EFI_COMPONENT_NAME_PROTOCOL *This, - IN EFI_HANDLE ControllerHandle, - IN EFI_HANDLE ChildHandle OPTIONAL, - IN CHAR8 *Language, - OUT CHAR16 **ControllerName - ); - -EFI_STATUS -EFIAPI -NorFlashBlkIoInitialize ( - IN NOR_FLASH_INSTANCE* Instance - ); - -EFI_STATUS -NorFlashReadCfiData ( - IN UINTN BaseAddress, - IN UINTN CFI_Offset, - IN UINT32 NumberOfBytes, - OUT UINT32 *Data -); - -EFI_STATUS -NorFlashWriteBuffer ( - IN UINTN TargetAddress, - IN UINTN BufferSizeInBytes, - IN UINT32 *Buffer -); - - -// -// BlockIO Protocol function EFI_BLOCK_IO_PROTOCOL.Reset -// -EFI_STATUS -EFIAPI -NorFlashBlockIoReset ( - IN EFI_BLOCK_IO_PROTOCOL *This, - IN BOOLEAN ExtendedVerification - ); - -// -// BlockIO Protocol function EFI_BLOCK_IO_PROTOCOL.ReadBlocks -// -EFI_STATUS -EFIAPI -NorFlashBlockIoReadBlocks ( - IN EFI_BLOCK_IO_PROTOCOL *This, - IN UINT32 MediaId, - IN EFI_LBA Lba, - IN UINTN BufferSizeInBytes, - OUT VOID *Buffer -); - -// -// BlockIO Protocol function EFI_BLOCK_IO_PROTOCOL.WriteBlocks -// -EFI_STATUS -EFIAPI -NorFlashBlockIoWriteBlocks ( - IN EFI_BLOCK_IO_PROTOCOL *This, - IN UINT32 MediaId, - IN EFI_LBA Lba, - IN UINTN BufferSizeInBytes, - IN VOID *Buffer -); - -// -// BlockIO Protocol function EFI_BLOCK_IO_PROTOCOL.FlushBlocks -// -EFI_STATUS -EFIAPI -NorFlashBlockIoFlushBlocks ( - IN EFI_BLOCK_IO_PROTOCOL *This -); - - -// -// NorFlashFvbDxe.c -// - -EFI_STATUS -EFIAPI -NorFlashFvbInitialize ( - IN NOR_FLASH_INSTANCE* Instance -); - -EFI_STATUS -EFIAPI -FvbGetAttributes( - IN CONST EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL *This, - OUT EFI_FVB_ATTRIBUTES_2 *Attributes -); - -EFI_STATUS -EFIAPI -FvbSetAttributes( - IN CONST EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL *This, - IN OUT EFI_FVB_ATTRIBUTES_2 *Attributes -); - -EFI_STATUS -EFIAPI -FvbGetPhysicalAddress( - IN CONST EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL *This, - OUT EFI_PHYSICAL_ADDRESS *Address -); - -EFI_STATUS -EFIAPI -FvbGetBlockSize( - IN CONST EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL *This, - IN EFI_LBA Lba, - OUT UINTN *BlockSize, - OUT UINTN *NumberOfBlocks -); - -EFI_STATUS -EFIAPI -FvbRead( - IN CONST EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL *This, - IN EFI_LBA Lba, - IN UINTN Offset, - IN OUT UINTN *NumBytes, - IN OUT UINT8 *Buffer -); - -EFI_STATUS -EFIAPI -FvbWrite( - IN CONST EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL *This, - IN EFI_LBA Lba, - IN UINTN Offset, - IN OUT UINTN *NumBytes, - IN UINT8 *Buffer -); - -EFI_STATUS -EFIAPI -FvbEraseBlocks( - IN CONST EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL *This, - ... -); - -// -// NorFlashDxe.c -// - -EFI_STATUS -NorFlashUnlockAndEraseSingleBlock( - IN UINTN BlockAddress -); - -EFI_STATUS -NorFlashWriteSingleBlock ( - IN UINTN DeviceBaseAddress, - IN EFI_LBA Lba, - IN UINT32 *pDataBuffer, - IN UINT32 BlockSizeInWords -); - -EFI_STATUS -NorFlashWriteBlocks ( - IN NOR_FLASH_INSTANCE *Instance, - IN EFI_LBA Lba, - IN UINTN BufferSizeInBytes, - IN VOID *Buffer -); - -EFI_STATUS -NorFlashReadBlocks ( - IN NOR_FLASH_INSTANCE *Instance, - IN EFI_LBA Lba, - IN UINTN BufferSizeInBytes, - OUT VOID *Buffer -); - -EFI_STATUS -NorFlashReset ( - IN NOR_FLASH_INSTANCE *Instance -); - -#endif /* __NOR_FLASH_DXE_H__ */ +/** @file NorFlashDxe.h + + Copyright (c) 2011 - 2014, ARM Ltd. All rights reserved.
+ + This program and the accompanying materials + are licensed and made available under the terms and conditions of the BSD License + which 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. + +**/ + +#ifndef __NOR_FLASH_DXE_H__ +#define __NOR_FLASH_DXE_H__ + + +#include +#include + +#include + +#include +#include +#include + +#include +#include +#include +#include +#include + +#define NOR_FLASH_ERASE_RETRY 10 + +// Device access macros +// These are necessary because we use 2 x 16bit parts to make up 32bit data + +#define HIGH_16_BITS 0xFFFF0000 +#define LOW_16_BITS 0x0000FFFF +#define LOW_8_BITS 0x000000FF + +#define FOLD_32BIT_INTO_16BIT(value) ( ( value >> 16 ) | ( value & LOW_16_BITS ) ) + +#define GET_LOW_BYTE(value) ( value & LOW_8_BITS ) +#define GET_HIGH_BYTE(value) ( GET_LOW_BYTE( value >> 16 ) ) + +// Each command must be sent simultaneously to both chips, +// i.e. at the lower 16 bits AND at the higher 16 bits +#define CREATE_NOR_ADDRESS(BaseAddr,OffsetAddr) ((BaseAddr) + ((OffsetAddr) << 2)) +#define CREATE_DUAL_CMD(Cmd) ( ( Cmd << 16) | ( Cmd & LOW_16_BITS) ) +#define SEND_NOR_COMMAND(BaseAddr,Offset,Cmd) MmioWrite32 (CREATE_NOR_ADDRESS(BaseAddr,Offset), CREATE_DUAL_CMD(Cmd)) +#define GET_NOR_BLOCK_ADDRESS(BaseAddr,Lba,LbaSize)( BaseAddr + (UINTN)((Lba) * LbaSize) ) + +// Status Register Bits +#define P30_SR_BIT_WRITE (BIT7 << 16 | BIT7) +#define P30_SR_BIT_ERASE_SUSPEND (BIT6 << 16 | BIT6) +#define P30_SR_BIT_ERASE (BIT5 << 16 | BIT5) +#define P30_SR_BIT_PROGRAM (BIT4 << 16 | BIT4) +#define P30_SR_BIT_VPP (BIT3 << 16 | BIT3) +#define P30_SR_BIT_PROGRAM_SUSPEND (BIT2 << 16 | BIT2) +#define P30_SR_BIT_BLOCK_LOCKED (BIT1 << 16 | BIT1) +#define P30_SR_BIT_BEFP (BIT0 << 16 | BIT0) + +// Device Commands for Intel StrataFlash(R) Embedded Memory (P30) Family + +// On chip buffer size for buffered programming operations +// There are 2 chips, each chip can buffer up to 32 (16-bit)words, and each word is 2 bytes. +// Therefore the total size of the buffer is 2 x 32 x 2 = 128 bytes +#define P30_MAX_BUFFER_SIZE_IN_BYTES ((UINTN)128) +#define P30_MAX_BUFFER_SIZE_IN_WORDS (P30_MAX_BUFFER_SIZE_IN_BYTES/((UINTN)4)) +#define MAX_BUFFERED_PROG_ITERATIONS 10000000 +#define BOUNDARY_OF_32_WORDS 0x7F + +// CFI Addresses +#define P30_CFI_ADDR_QUERY_UNIQUE_QRY 0x10 +#define P30_CFI_ADDR_VENDOR_ID 0x13 + +// CFI Data +#define CFI_QRY 0x00595251 + +// READ Commands +#define P30_CMD_READ_DEVICE_ID 0x0090 +#define P30_CMD_READ_STATUS_REGISTER 0x0070 +#define P30_CMD_CLEAR_STATUS_REGISTER 0x0050 +#define P30_CMD_READ_ARRAY 0x00FF +#define P30_CMD_READ_CFI_QUERY 0x0098 + +// WRITE Commands +#define P30_CMD_WORD_PROGRAM_SETUP 0x0040 +#define P30_CMD_ALTERNATE_WORD_PROGRAM_SETUP 0x0010 +#define P30_CMD_BUFFERED_PROGRAM_SETUP 0x00E8 +#define P30_CMD_BUFFERED_PROGRAM_CONFIRM 0x00D0 +#define P30_CMD_BEFP_SETUP 0x0080 +#define P30_CMD_BEFP_CONFIRM 0x00D0 + +// ERASE Commands +#define P30_CMD_BLOCK_ERASE_SETUP 0x0020 +#define P30_CMD_BLOCK_ERASE_CONFIRM 0x00D0 + +// SUSPEND Commands +#define P30_CMD_PROGRAM_OR_ERASE_SUSPEND 0x00B0 +#define P30_CMD_SUSPEND_RESUME 0x00D0 + +// BLOCK LOCKING / UNLOCKING Commands +#define P30_CMD_LOCK_BLOCK_SETUP 0x0060 +#define P30_CMD_LOCK_BLOCK 0x0001 +#define P30_CMD_UNLOCK_BLOCK 0x00D0 +#define P30_CMD_LOCK_DOWN_BLOCK 0x002F + +// PROTECTION Commands +#define P30_CMD_PROGRAM_PROTECTION_REGISTER_SETUP 0x00C0 + +// CONFIGURATION Commands +#define P30_CMD_READ_CONFIGURATION_REGISTER_SETUP 0x0060 +#define P30_CMD_READ_CONFIGURATION_REGISTER 0x0003 + +#define NOR_FLASH_SIGNATURE SIGNATURE_32('n', 'o', 'r', '0') +#define INSTANCE_FROM_FVB_THIS(a) CR(a, NOR_FLASH_INSTANCE, FvbProtocol, NOR_FLASH_SIGNATURE) +#define INSTANCE_FROM_BLKIO_THIS(a) CR(a, NOR_FLASH_INSTANCE, BlockIoProtocol, NOR_FLASH_SIGNATURE) +#define INSTANCE_FROM_DISKIO_THIS(a) CR(a, NOR_FLASH_INSTANCE, DiskIoProtocol, NOR_FLASH_SIGNATURE) + +typedef struct _NOR_FLASH_INSTANCE NOR_FLASH_INSTANCE; + +typedef EFI_STATUS (*NOR_FLASH_INITIALIZE) (NOR_FLASH_INSTANCE* Instance); + +typedef struct { + VENDOR_DEVICE_PATH Vendor; + EFI_DEVICE_PATH_PROTOCOL End; +} NOR_FLASH_DEVICE_PATH; + +struct _NOR_FLASH_INSTANCE { + UINT32 Signature; + EFI_HANDLE Handle; + + BOOLEAN Initialized; + NOR_FLASH_INITIALIZE Initialize; + + UINTN DeviceBaseAddress; + UINTN RegionBaseAddress; + UINTN Size; + EFI_LBA StartLba; + + EFI_BLOCK_IO_PROTOCOL BlockIoProtocol; + EFI_BLOCK_IO_MEDIA Media; + EFI_DISK_IO_PROTOCOL DiskIoProtocol; + + BOOLEAN SupportFvb; + EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL FvbProtocol; + VOID* ShadowBuffer; + + NOR_FLASH_DEVICE_PATH DevicePath; +}; + +EFI_STATUS +NorFlashReadCfiData ( + IN UINTN DeviceBaseAddress, + IN UINTN CFI_Offset, + IN UINT32 NumberOfBytes, + OUT UINT32 *Data + ); + +EFI_STATUS +NorFlashWriteBuffer ( + IN NOR_FLASH_INSTANCE *Instance, + IN UINTN TargetAddress, + IN UINTN BufferSizeInBytes, + IN UINT32 *Buffer + ); + +// +// BlockIO Protocol function EFI_BLOCK_IO_PROTOCOL.Reset +// +EFI_STATUS +EFIAPI +NorFlashBlockIoReset ( + IN EFI_BLOCK_IO_PROTOCOL *This, + IN BOOLEAN ExtendedVerification + ); + +// +// BlockIO Protocol function EFI_BLOCK_IO_PROTOCOL.ReadBlocks +// +EFI_STATUS +EFIAPI +NorFlashBlockIoReadBlocks ( + IN EFI_BLOCK_IO_PROTOCOL *This, + IN UINT32 MediaId, + IN EFI_LBA Lba, + IN UINTN BufferSizeInBytes, + OUT VOID *Buffer +); + +// +// BlockIO Protocol function EFI_BLOCK_IO_PROTOCOL.WriteBlocks +// +EFI_STATUS +EFIAPI +NorFlashBlockIoWriteBlocks ( + IN EFI_BLOCK_IO_PROTOCOL *This, + IN UINT32 MediaId, + IN EFI_LBA Lba, + IN UINTN BufferSizeInBytes, + IN VOID *Buffer +); + +// +// BlockIO Protocol function EFI_BLOCK_IO_PROTOCOL.FlushBlocks +// +EFI_STATUS +EFIAPI +NorFlashBlockIoFlushBlocks ( + IN EFI_BLOCK_IO_PROTOCOL *This +); + +// +// DiskIO Protocol function EFI_DISK_IO_PROTOCOL.ReadDisk +// +EFI_STATUS +EFIAPI +NorFlashDiskIoReadDisk ( + IN EFI_DISK_IO_PROTOCOL *This, + IN UINT32 MediaId, + IN UINT64 Offset, + IN UINTN BufferSize, + OUT VOID *Buffer + ); + +// +// DiskIO Protocol function EFI_DISK_IO_PROTOCOL.WriteDisk +// +EFI_STATUS +EFIAPI +NorFlashDiskIoWriteDisk ( + IN EFI_DISK_IO_PROTOCOL *This, + IN UINT32 MediaId, + IN UINT64 Offset, + IN UINTN BufferSize, + IN VOID *Buffer + ); + +// +// NorFlashFvbDxe.c +// + +EFI_STATUS +EFIAPI +NorFlashFvbInitialize ( + IN NOR_FLASH_INSTANCE* Instance + ); + +EFI_STATUS +EFIAPI +FvbGetAttributes( + IN CONST EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL *This, + OUT EFI_FVB_ATTRIBUTES_2 *Attributes + ); + +EFI_STATUS +EFIAPI +FvbSetAttributes( + IN CONST EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL *This, + IN OUT EFI_FVB_ATTRIBUTES_2 *Attributes + ); + +EFI_STATUS +EFIAPI +FvbGetPhysicalAddress( + IN CONST EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL *This, + OUT EFI_PHYSICAL_ADDRESS *Address + ); + +EFI_STATUS +EFIAPI +FvbGetBlockSize( + IN CONST EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL *This, + IN EFI_LBA Lba, + OUT UINTN *BlockSize, + OUT UINTN *NumberOfBlocks + ); + +EFI_STATUS +EFIAPI +FvbRead( + IN CONST EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL *This, + IN EFI_LBA Lba, + IN UINTN Offset, + IN OUT UINTN *NumBytes, + IN OUT UINT8 *Buffer + ); + +EFI_STATUS +EFIAPI +FvbWrite( + IN CONST EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL *This, + IN EFI_LBA Lba, + IN UINTN Offset, + IN OUT UINTN *NumBytes, + IN UINT8 *Buffer + ); + +EFI_STATUS +EFIAPI +FvbEraseBlocks( + IN CONST EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL *This, + ... + ); + +// +// NorFlashDxe.c +// + +EFI_STATUS +NorFlashUnlockAndEraseSingleBlock ( + IN NOR_FLASH_INSTANCE *Instance, + IN UINTN BlockAddress + ); + +EFI_STATUS +NorFlashWriteSingleBlock ( + IN NOR_FLASH_INSTANCE *Instance, + IN EFI_LBA Lba, + IN UINTN Offset, + IN OUT UINTN *NumBytes, + IN UINT8 *Buffer + ); + +EFI_STATUS +NorFlashWriteBlocks ( + IN NOR_FLASH_INSTANCE *Instance, + IN EFI_LBA Lba, + IN UINTN BufferSizeInBytes, + IN VOID *Buffer + ); + +EFI_STATUS +NorFlashReadBlocks ( + IN NOR_FLASH_INSTANCE *Instance, + IN EFI_LBA Lba, + IN UINTN BufferSizeInBytes, + OUT VOID *Buffer + ); + +EFI_STATUS +NorFlashRead ( + IN NOR_FLASH_INSTANCE *Instance, + IN EFI_LBA Lba, + IN UINTN Offset, + IN UINTN BufferSizeInBytes, + OUT VOID *Buffer + ); + +EFI_STATUS +NorFlashWrite ( + IN NOR_FLASH_INSTANCE *Instance, + IN EFI_LBA Lba, + IN UINTN Offset, + IN OUT UINTN *NumBytes, + IN UINT8 *Buffer + ); + +EFI_STATUS +NorFlashReset ( + IN NOR_FLASH_INSTANCE *Instance + ); + +EFI_STATUS +NorFlashUnlockSingleBlockIfNecessary ( + IN NOR_FLASH_INSTANCE *Instance, + IN UINTN BlockAddress + ); + +#endif /* __NOR_FLASH_DXE_H__ */