extern void flash_print_info (flash_info_t *);
extern int flash_erase (flash_info_t *, int, int);
extern int flash_sect_erase (ulong addr_first, ulong addr_last);
extern int flash_sect_protect (int flag, ulong addr_first, ulong addr_last);
extern int flash_sect_roundb (ulong *addr);
extern unsigned long flash_sector_size(flash_info_t *info, flash_sect_t sect);
extern void flash_print_info (flash_info_t *);
extern int flash_erase (flash_info_t *, int, int);
extern int flash_sect_erase (ulong addr_first, ulong addr_last);
extern int flash_sect_protect (int flag, ulong addr_first, ulong addr_last);
extern int flash_sect_roundb (ulong *addr);
extern unsigned long flash_sector_size(flash_info_t *info, flash_sect_t sect);