at91_efc.c File Reference

#include <cfg/memory.h>
#include <sys/atom.h>
#include <dev/nvmem.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <arch/arm/atmel/at91_efc.h>

Include dependency graph for at91_efc.c:

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Defines
#define	EFC_CHIP_BASE   0x00100000
	Base address of the flash memory chip.
#define	EFC_CHIP_SIZE   0x00040000
	Size handled by each controller.
#define	FLASH_CONF_SECTOR   0x0003FF00
	Address offset of the configuration sector.
#define	FLASH_CONF_SIZE   256
	Size of the configuration area.
#define	EFC_WRITE_WAIT   60000
#define	EFC_ERASE_WAIT   60000
#define	EFC_CHIP_ERASE_WAIT   600000
Typedefs
typedef uint32_t	flashdat_t
typedef unsigned long	flashadr_t
typedef volatile flashdat_t *	flashptr_t
Functions
RAMFUNC int	At91EfcCmdEx (int fci, unsigned int cmd, uint32_t tmo)
	Execute flash controller command.
RAMFUNC int	At91EfcCmd (unsigned int cmd, uint32_t tmo)
	Execute flash controller command.
int	At91EfcSectorRead (unsigned int off, void *data, unsigned int len)
	Read data from flash memory.
int	At91EfcSectorWrite (unsigned int off, CONST void *data, unsigned int len)
	Write data into flash memory.
int	At91EfcSectorErase (unsigned int off)
	Erase sector at the specified offset.
int	At91EfcRegionLock (unsigned int off)
	Lock specified region.
int	At91EfcRegionUnlock (unsigned int off)
	Unlock specified region.
int	At91EfcParamRead (unsigned int pos, void *data, unsigned int len)
	Load configuration parameters from embedded flash memory.
int	At91EfcParamWrite (unsigned int pos, CONST void *data, unsigned int len)
	Store configuration parameters in embedded flash memory.