#define _DataFlash_h
-#include <asm/arch/hardware.h>
#include "config.h"
+/*number of protected area*/
+#define NB_DATAFLASH_AREA 5
-typedef struct {
- unsigned long base; /* logical base address for a bank */
- unsigned long size; /* total bank size */
- unsigned long page_count;
- unsigned long page_size;
- unsigned long id; /* device id */
- unsigned char protect[CFG_MAX_DATAFLASH_PAGES]; /* page protection status */
-} dataflash_info_t;
+#ifdef CONFIG_SYS_NO_FLASH
+
+/*-----------------------------------------------------------------------
+ * return codes from flash_write():
+ */
+# define ERR_OK 0
+# define ERR_TIMOUT 1
+# define ERR_NOT_ERASED 2
+# define ERR_PROTECTED 4
+# define ERR_INVAL 8
+# define ERR_ALIGN 16
+# define ERR_UNKNOWN_FLASH_VENDOR 32
+# define ERR_UNKNOWN_FLASH_TYPE 64
+# define ERR_PROG_ERROR 128
+
+/*-----------------------------------------------------------------------
+ * Protection Flags for flash_protect():
+ */
+# define FLAG_PROTECT_SET 0x01
+# define FLAG_PROTECT_CLEAR 0x02
+# define FLAG_PROTECT_INVALID 0x03
+
+/*-----------------------------------------------------------------------
+ * Set Environment according to label:
+ */
+# define FLAG_SETENV 0x80
+#endif /* CONFIG_SYS_NO_FLASH */
+/*define the area structure*/
+typedef struct {
+ unsigned long start;
+ unsigned long end;
+ unsigned char protected;
+ unsigned char setenv;
+ unsigned char label[20];
+} dataflash_protect_t;
typedef unsigned int AT91S_DataFlashStatus;
int page_offset; /* page offset in command */
int byte_mask; /* byte mask in command */
int cs;
+ dataflash_protect_t area_list[NB_DATAFLASH_AREA]; /* area protection status */
} AT91S_DataflashFeatures, *AT91PS_DataflashFeatures;
/*---------------------------------------------*/
} AT91S_DataFlash, *AT91PS_DataFlash;
-
typedef struct _AT91S_DATAFLASH_INFO {
AT91S_DataflashDesc Desc;
AT91S_DataflashFeatures Device; /* Pointer on a dataflash features array */
unsigned long logical_address;
+ unsigned long end_address;
unsigned int id; /* device id */
- unsigned char protect[CFG_MAX_DATAFLASH_PAGES]; /* page protection status */
} AT91S_DATAFLASH_INFO, *AT91PS_DATAFLASH_INFO;
-
+struct dataflash_addr {
+ unsigned long addr;
+ int cs;
+};
/*-------------------------------------------------------------------------------------------------*/
-
#define AT45DB161 0x2c
+#define AT45DB021 0x14
+#define AT45DB081 0x24
#define AT45DB321 0x34
#define AT45DB642 0x3c
+#define AT45DB128 0x10
+#define PAGES_PER_BLOCK 8
#define AT91C_DATAFLASH_TIMEOUT 10000 /* For AT91F_DataFlashWaitReady */
/*-------------------------------------------------------------------------------------------------*/
+extern int size_dataflash (AT91PS_DataFlash pdataFlash, unsigned long addr, unsigned long size);
+extern int prot_dataflash (AT91PS_DataFlash pdataFlash, unsigned long addr);
+extern int addr2ram(ulong addr);
+extern int dataflash_real_protect (int flag, unsigned long start_addr, unsigned long end_addr);
extern int addr_dataflash (unsigned long addr);
extern int read_dataflash (unsigned long addr, unsigned long size, char *result);
-extern int write_dataflash (unsigned long addr, unsigned long dest, unsigned long size);
+extern int write_dataflash(unsigned long addr_dest, unsigned long addr_src,
+ unsigned long size);
+extern int AT91F_DataflashInit(void);
+
extern void dataflash_print_info (void);
extern void dataflash_perror (int err);
+extern void AT91F_DataflashSetEnv (void);
+extern struct dataflash_addr cs[CONFIG_SYS_MAX_DATAFLASH_BANKS];
+extern dataflash_protect_t area_list[NB_DATAFLASH_AREA];
+extern AT91S_DATAFLASH_INFO dataflash_info[];
#endif