| //*--------------------------------------------------------------------------- |
| //* 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 |