NorFlashInfoLib.h

Go to the documentation of this file.

 
#ifndef __NOR_FLASH_ID_LIB_H__
#define __NOR_FLASH_ID_LIB_H__
 
#include <Uefi/UefiBaseType.h>
 
#define NOR_FLASH_MAX_ID_LEN  6
 
typedef struct {
  /* Device name */
  UINT16    *Name;
 
  /*
   * JEDEC ID
   */
  UINT8     Id[NOR_FLASH_MAX_ID_LEN];
  UINT8     IdLen;
 
  UINT16    PageSize;
 
  /*
   * Below parameters can be referred as BlockSize
   * and BlockCount, when treating the NorFlash as
   * block device.
   */
  UINT32    SectorSize;
  UINT32    SectorCount;
 
  UINT16    Flags;
  #define NOR_FLASH_ERASE_4K   (1 << 0)  /* Use 4 KB erase blocks and CMD_ERASE_4K */
  #define NOR_FLASH_ERASE_32K  (1 << 1)  /* Use 32 KB erase blocks and CMD_ERASE_32K */
  #define NOR_FLASH_WRITE_FSR  (1 << 2)  /* Use flag status register for write */
  #define NOR_FLASH_4B_ADDR    (1 << 3)  /* Use 4B addressing */
} NOR_FLASH_INFO;
 
/* Vendor IDs */
#define NOR_FLASH_ID_ATMEL       0x1f
#define NOR_FLASH_ID_EON         0x1c
#define NOR_FLASH_ID_GIGADEVICE  0xc8
#define NOR_FLASH_ID_ISSI        0x9d
#define NOR_FLASH_ID_MACRONIX    0xc2
#define NOR_FLASH_ID_SPANSION    0x01
#define NOR_FLASH_ID_STMICRO     0x20
#define NOR_FLASH_ID_SST         0xbf
#define NOR_FLASH_ID_WINDBOND    0xef
 
EFI_STATUS
EFIAPI
NorFlashGetInfo (
  IN UINT8               *Id,
  IN OUT NOR_FLASH_INFO  **FlashInfo,
  IN BOOLEAN             AllocateForRuntime
  );
 
VOID
EFIAPI
NorFlashPrintInfo (
  IN     NOR_FLASH_INFO  *Info
  );
 
#endif