flash_data.h

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#ifndef GUARD_FLASH_DATA_H
#define GUARD_FLASH_DATA_H
 
/// @file
/// The flash chips: sector size and count, and each chip type's routines.
 
#include "types.h"
 
typedef u16 (*FlashWaitProc)(u8 timingIndex, volatile u8 *address, u8 expected);
 
/// Sector size and count.
struct FlashSector {
  s32 size;
  u8 shift;
  u16 count;
  u16 top;
};
 
/// Flash chip type (the 24-byte record pointed to by gFlash).
struct FlashType {
  u32 romSize;
  struct FlashSector sector;
  u16 wait[2]; ///< Low two bits of REG_WAITCNT.
  u16 id;
};
 
/// Settings for each flash chip model (44 bytes), in flash_setup's field order
/// from flashset.s.
struct FlashSetupInfo {
  u32 handlers[3];    ///< Program, erase all, erase sector.
  FlashWaitProc wait; ///< Wait for programming to finish.
  u16 *maxTime;       ///< Wait-time table.
  struct FlashType type;
};
 
extern const struct FlashType *gFlash;
extern const struct FlashSetupInfo gFlash_ChipUnknown;
extern struct FlashSetupInfo gFlash_ChipAtmel;
extern struct FlashSetupInfo gFlash_ChipAtmelLayout;
 
#endif