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//*---------------------------------------------------------------------------
//* ATMEL Microcontroller Software Support - ROUSSET -
//*---------------------------------------------------------------------------
//* The software is delivered "AS IS" without warranty or condition of any
//* kind, either express, implied or statutory. This includes without
//* limitation any warranty or condition with respect to merchantability or
//* fitness for any particular purpose, or against the infringements of
//* intellectual property rights of others.
//*---------------------------------------------------------------------------
//* File Name : AT91_SpiDataFlash.h
//* Object : Data Flash Atmel Description File
//* Translator :
//*
//* 1.0 03/04/01 HI : Creation
//*
//*---------------------------------------------------------------------------
#ifndef _DataFlash_h
#define _DataFlash_h
/* Max value = 15Mhz to be compliant with the Continuous array read function */
#ifdef SPI_LOW_SPEED
#define AT91C_SPI_CLK 14976000/4
#else
#define AT91C_SPI_CLK 14976000
#endif
/* AC characteristics */
/* DLYBS = tCSS= 250ns min and DLYBCT = tCSH = 250ns */
#define DATAFLASH_TCSS (0xf << 16) /* 250ns 15/60000000 */
#define DATAFLASH_TCHS (0x1 << 24) /* 250ns 32*1/60000000 */
#define AT91C_SPI_PCS0_SERIAL_DATAFLASH 0xE /* Chip Select 0 : NPCS0 %1110 */
#define AT91C_SPI_PCS3_DATAFLASH_CARD 0x7 /* Chip Select 3 : NPCS3 %0111 */
#define CFG_MAX_DATAFLASH_BANKS 2
#define CFG_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000
#define CFG_DATAFLASH_LOGIC_ADDR_CS3 0xD0000000
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 */
} dataflash_info_t;
typedef unsigned int AT91S_DataFlashStatus;
/*----------------------------------------------------------------------*/
/* DataFlash Structures */
/*----------------------------------------------------------------------*/
/*---------------------------------------------*/
/* DataFlash Descriptor Structure Definition */
/*---------------------------------------------*/
typedef struct _AT91S_DataflashDesc {
unsigned char *tx_cmd_pt;
unsigned int tx_cmd_size;
unsigned char *rx_cmd_pt;
unsigned int rx_cmd_size;
unsigned char *tx_data_pt;
unsigned int tx_data_size;
unsigned char *rx_data_pt;
unsigned int rx_data_size;
volatile unsigned char DataFlash_state;
unsigned char command[8];
} AT91S_DataflashDesc, *AT91PS_DataflashDesc;
/*---------------------------------------------*/
/* DataFlash device definition structure */
/*---------------------------------------------*/
typedef struct _AT91S_Dataflash {
int pages_number; /* dataflash page number */
int pages_size; /* dataflash page size */
int page_offset; /* page offset in command */
int byte_mask; /* byte mask in command */
int cs;
} AT91S_DataflashFeatures, *AT91PS_DataflashFeatures;
/*---------------------------------------------*/
/* DataFlash Structure Definition */
/*---------------------------------------------*/
typedef struct _AT91S_DataFlash {
AT91PS_DataflashDesc pDataFlashDesc; /* dataflash descriptor */
AT91PS_DataflashFeatures pDevice; /* Pointer on a dataflash features array */
} 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 int id; /* device id */
} AT91S_DATAFLASH_INFO, *AT91PS_DATAFLASH_INFO;
/*-------------------------------------------------------------------------------------------------*/
#define AT45DB161 0x2c
#define AT45DB321 0x34
#define AT45DB642 0x3c
#define AT45DB128 0x10
#define AT91C_DATAFLASH_TIMEOUT 20000 /* For AT91F_DataFlashWaitReady */
/* DataFlash return value */
#define AT91C_DATAFLASH_BUSY 0x00
#define AT91C_DATAFLASH_OK 0x01
#define AT91C_DATAFLASH_ERROR 0x02
#define AT91C_DATAFLASH_MEMORY_OVERFLOW 0x03
#define AT91C_DATAFLASH_BAD_COMMAND 0x04
#define AT91C_DATAFLASH_BAD_ADDRESS 0x05
/* Driver State */
#define IDLE 0x0
#define BUSY 0x1
#define ERROR 0x2
/* DataFlash Driver State */
#define GET_STATUS 0x0F
/*-------------------------------------------------------------------------------------------------*/
/* Command Definition */
/*-------------------------------------------------------------------------------------------------*/
/* READ COMMANDS */
#define DB_CONTINUOUS_ARRAY_READ 0xE8 /* Continuous array read */
#define DB_BURST_ARRAY_READ 0xE8 /* Burst array read */
#define DB_PAGE_READ 0xD2 /* Main memory page read */
#define DB_BUF1_READ 0xD4 /* Buffer 1 read */
#define DB_BUF2_READ 0xD6 /* Buffer 2 read */
#define DB_STATUS 0xD7 /* Status Register */
/* PROGRAM and ERASE COMMANDS */
#define DB_BUF1_WRITE 0x84 /* Buffer 1 write */
#define DB_BUF2_WRITE 0x87 /* Buffer 2 write */
#define DB_BUF1_PAGE_ERASE_PGM 0x83 /* Buffer 1 to main memory page program with built-In erase */
#define DB_BUF1_PAGE_ERASE_FASTPGM 0x93 /* Buffer 1 to main memory page program with built-In erase, Fast program */
#define DB_BUF2_PAGE_ERASE_PGM 0x86 /* Buffer 2 to main memory page program with built-In erase */
#define DB_BUF2_PAGE_ERASE_FASTPGM 0x96 /* Buffer 1 to main memory page program with built-In erase, Fast program */
#define DB_BUF1_PAGE_PGM 0x88 /* Buffer 1 to main memory page program without built-In erase */
#define DB_BUF1_PAGE_FASTPGM 0x98 /* Buffer 1 to main memory page program without built-In erase, Fast program */
#define DB_BUF2_PAGE_PGM 0x89 /* Buffer 2 to main memory page program without built-In erase */
#define DB_BUF2_PAGE_FASTPGM 0x99 /* Buffer 1 to main memory page program without built-In erase, Fast program */
#define DB_PAGE_ERASE 0x81 /* Page Erase */
#define DB_BLOCK_ERASE 0x50 /* Block Erase */
#define DB_PAGE_PGM_BUF1 0x82 /* Main memory page through buffer 1 */
#define DB_PAGE_FASTPGM_BUF1 0x92 /* Main memory page through buffer 1, Fast program */
#define DB_PAGE_PGM_BUF2 0x85 /* Main memory page through buffer 2 */
#define DB_PAGE_FastPGM_BUF2 0x95 /* Main memory page through buffer 2, Fast program */
/* ADDITIONAL COMMANDS */
#define DB_PAGE_2_BUF1_TRF 0x53 /* Main memory page to buffer 1 transfert */
#define DB_PAGE_2_BUF2_TRF 0x55 /* Main memory page to buffer 2 transfert */
#define DB_PAGE_2_BUF1_CMP 0x60 /* Main memory page to buffer 1 compare */
#define DB_PAGE_2_BUF2_CMP 0x61 /* Main memory page to buffer 2 compare */
#define DB_AUTO_PAGE_PGM_BUF1 0x58 /* Auto page rewrite throught buffer 1 */
#define DB_AUTO_PAGE_PGM_BUF2 0x59 /* Auto page rewrite throught buffer 2 */
/*-------------------------------------------------------------------------------------------------*/
extern AT91S_DATAFLASH_INFO dataflash_info[CFG_MAX_DATAFLASH_BANKS];
extern void AT91F_SpiInit(void);
extern int AT91F_DataflashProbe(int i, AT91PS_DataflashDesc pDesc);
extern int AT91F_DataFlashRead(AT91PS_DataFlash, unsigned long , unsigned long, char *);
extern AT91S_DataFlashStatus AT91F_DataFlashWrite(AT91PS_DataFlash ,unsigned char *, int, int);
extern AT91S_DataFlashStatus AT91F_DataFlashErase(AT91PS_DataFlash pDataFlash);
extern int AT91F_DataflashInit(void);
extern void AT91F_DataflashPrintInfo(void);
extern int read_dataflash(unsigned long addr, unsigned long size, char *result);
extern int write_dataflash(unsigned long addr_dest, unsigned int addr_src, unsigned int size);
extern int erase_dataflash(unsigned long addr_dest);
#endif
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