| /** @file NorFlash.h | |
| Copyright (c) 2011 - 2014, ARM Ltd. All rights reserved.<BR> | |
| SPDX-License-Identifier: BSD-2-Clause-Patent | |
| **/ | |
| #ifndef __VIRT_NOR_FLASH__ | |
| #define __VIRT_NOR_FLASH__ | |
| #include <Base.h> | |
| #include <PiDxe.h> | |
| #include <Guid/EventGroup.h> | |
| #include <Protocol/FirmwareVolumeBlock.h> | |
| #include <Library/DebugLib.h> | |
| #include <Library/IoLib.h> | |
| #include <Library/UefiLib.h> | |
| #include <Library/UefiRuntimeLib.h> | |
| #include <Library/VirtNorFlashPlatformLib.h> | |
| #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 ((UINTN)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) | |
| typedef struct _NOR_FLASH_INSTANCE NOR_FLASH_INSTANCE; | |
| #pragma pack (1) | |
| typedef struct { | |
| VENDOR_DEVICE_PATH Vendor; | |
| UINT8 Index; | |
| EFI_DEVICE_PATH_PROTOCOL End; | |
| } NOR_FLASH_DEVICE_PATH; | |
| #pragma pack () | |
| struct _NOR_FLASH_INSTANCE { | |
| UINT32 Signature; | |
| EFI_HANDLE Handle; | |
| UINTN DeviceBaseAddress; | |
| UINTN RegionBaseAddress; | |
| UINTN Size; | |
| EFI_LBA StartLba; | |
| EFI_LBA LastBlock; | |
| UINT32 BlockSize; | |
| 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 | |
| ); | |
| // | |
| // NorFlashFvbDxe.c | |
| // | |
| 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, | |
| ... | |
| ); | |
| EFI_STATUS | |
| ValidateFvHeader ( | |
| IN NOR_FLASH_INSTANCE *Instance | |
| ); | |
| EFI_STATUS | |
| InitializeFvAndVariableStoreHeaders ( | |
| IN NOR_FLASH_INSTANCE *Instance | |
| ); | |
| VOID | |
| EFIAPI | |
| FvbVirtualNotifyEvent ( | |
| IN EFI_EVENT Event, | |
| IN VOID *Context | |
| ); | |
| // | |
| // NorFlashDxe.c | |
| // | |
| EFI_STATUS | |
| NorFlashWriteFullBlock ( | |
| IN NOR_FLASH_INSTANCE *Instance, | |
| IN EFI_LBA Lba, | |
| IN UINT32 *DataBuffer, | |
| IN UINT32 BlockSizeInWords | |
| ); | |
| EFI_STATUS | |
| NorFlashUnlockAndEraseSingleBlock ( | |
| IN NOR_FLASH_INSTANCE *Instance, | |
| IN UINTN BlockAddress | |
| ); | |
| EFI_STATUS | |
| NorFlashCreateInstance ( | |
| IN UINTN NorFlashDeviceBase, | |
| IN UINTN NorFlashRegionBase, | |
| IN UINTN NorFlashSize, | |
| IN UINT32 Index, | |
| IN UINT32 BlockSize, | |
| IN BOOLEAN SupportFvb, | |
| OUT NOR_FLASH_INSTANCE **NorFlashInstance | |
| ); | |
| EFI_STATUS | |
| EFIAPI | |
| NorFlashFvbInitialize ( | |
| IN NOR_FLASH_INSTANCE *Instance | |
| ); | |
| // | |
| // NorFlash.c | |
| // | |
| 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 | |
| NorFlashEraseSingleBlock ( | |
| IN NOR_FLASH_INSTANCE *Instance, | |
| IN UINTN BlockAddress | |
| ); | |
| EFI_STATUS | |
| NorFlashUnlockSingleBlockIfNecessary ( | |
| IN NOR_FLASH_INSTANCE *Instance, | |
| IN UINTN BlockAddress | |
| ); | |
| EFI_STATUS | |
| NorFlashWriteSingleWord ( | |
| IN NOR_FLASH_INSTANCE *Instance, | |
| IN UINTN WordAddress, | |
| IN UINT32 WriteData | |
| ); | |
| VOID | |
| EFIAPI | |
| NorFlashVirtualNotifyEvent ( | |
| IN EFI_EVENT Event, | |
| IN VOID *Context | |
| ); | |
| #endif /* __VIRT_NOR_FLASH__ */ |