mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-28 21:10:17 +02:00
3b9260da79
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7492 3c298f89-4303-0410-b956-a3cf2f4a3e73
182 lines
7.5 KiB
C
182 lines
7.5 KiB
C
//*---------------------------------------------------------------------------
|
|
//* 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
|