dataflash.h

AT91RM3400芯片 ROM引导程序

//*---------------------------------------------------------------------------
//*         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


#define CFG_MAX_DATAFLASH_BANKS         2
#define CFG_DATAFLASH_LOGIC_ADDR_CS0    0xC0000000
#define CFG_DATAFLASH_LOGIC_ADDR_CS3    0xD0000000
#define AT91C_SPI_PCS_SERIAL_DATAFLASH  0xE     /* Chip Select 3 : PCS %1110 */
#define AT91C_SPI_PCS_DATAFLASH_CARD    0xB     /* Chip Select 2 : PCS %1011 */


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;


/*-------------------------------------------------------------------------------------------------*/

#define AT45DB161		0x2c
#define AT45DB321		0x34
#define AT45DB642		0x3c
#define AT45DB128		0x10

#define AT91C_DATAFLASH_TIMEOUT		500000	/* 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 */

/*-------------------------------------------------------------------------------------------------*/


#endif