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