dataflash.h

   1 //*---------------------------------------------------------------------------
   2 //*         ATMEL Microcontroller Software Support  -  ROUSSET  -
   3 //*---------------------------------------------------------------------------
   4 //* The software is delivered "AS IS" without warranty or condition of any
   5 //* kind, either express, implied or statutory. This includes without
   6 //* limitation any warranty or condition with respect to merchantability or
   7 //* fitness for any particular purpose, or against the infringements of
   8 //* intellectual property rights of others.
   9 //*---------------------------------------------------------------------------
  10 //* File Name           : AT91_SpiDataFlash.h
  11 //* Object              : Data Flash Atmel Description File
  12 //* Translator          :
  13 //*
  14 //* 1.0 03/04/01 HI     : Creation
  15 //*
  16 //*---------------------------------------------------------------------------
  17
  18 #ifndef _DataFlash_h
  19 #define _DataFlash_h
  20
  21 #define CFG_MAX_DATAFLASH_BANKS         4
  22 #define CFG_DATAFLASH_LOGIC_ADDR_CS0    0xC0000000
  23 #define CFG_DATAFLASH_LOGIC_ADDR_CS1    0xC1000000
  24 #define CFG_DATAFLASH_LOGIC_ADDR_CS2    0xC2000000
  25 #define CFG_DATAFLASH_LOGIC_ADDR_CS3    0xC3000000
  26
  27
  28 typedef struct {
  29         unsigned long base;             /* logical base address for a bank */
  30         unsigned long size;             /* total bank size */
  31         unsigned long page_count;
  32         unsigned long page_size;
  33         unsigned long id;               /* device id */
  34 } dataflash_info_t;
  35
  36 typedef unsigned int AT91S_DataFlashStatus;
  37
  38 /*----------------------------------------------------------------------*/
  39 /* DataFlash Structures                                                 */
  40 /*----------------------------------------------------------------------*/
  41
  42 /*---------------------------------------------*/
  43 /* DataFlash Descriptor Structure Definition   */
  44 /*---------------------------------------------*/
  45 typedef struct _AT91S_DataflashDesc {
  46         unsigned char                   *tx_cmd_pt;
  47         unsigned int                    tx_cmd_size;
  48         unsigned char                   *rx_cmd_pt;
  49         unsigned int                    rx_cmd_size;
  50         unsigned char                   *tx_data_pt;
  51         unsigned int                    tx_data_size;
  52         unsigned char                   *rx_data_pt;
  53         unsigned int                    rx_data_size;
  54         volatile unsigned char  state;
  55         volatile unsigned char  DataFlash_state;
  56         unsigned char                   command[8];
  57 } AT91S_DataflashDesc, *AT91PS_DataflashDesc;
  58
  59 /*---------------------------------------------*/
  60 /* DataFlash device definition structure       */
  61 /*---------------------------------------------*/
  62 typedef struct _AT91S_Dataflash {
  63         int pages_number;                       /* dataflash page number */
  64         int pages_size;                         /* dataflash page size */
  65         int page_offset;                        /* page offset in command */
  66         int byte_mask;                          /* byte mask in command */
  67         int cs;
  68 } AT91S_DataflashFeatures, *AT91PS_DataflashFeatures;
  69
  70
  71 /*---------------------------------------------*/
  72 /* DataFlash Structure Definition              */
  73 /*---------------------------------------------*/
  74 typedef struct _AT91S_DataFlash {
  75         AT91PS_DataflashDesc pDataFlashDesc;    /* dataflash descriptor */
  76         AT91PS_DataflashFeatures pDevice;       /* Pointer on a dataflash features array */
  77 } AT91S_DataFlash, *AT91PS_DataFlash;
  78
  79
  80 typedef struct _AT91S_DATAFLASH_INFO {
  81
  82         AT91S_DataflashDesc     Desc;
  83         AT91S_DataflashFeatures Device; /* Pointer on a dataflash features array */
  84         unsigned long                   logical_address;
  85         unsigned int                    id;                     /* device id */
  86 } AT91S_DATAFLASH_INFO, *AT91PS_DATAFLASH_INFO;
  87
  88
  89 /*-------------------------------------------------------------------------------------------------*/
  90
  91 #define AT45DB161               0x2c
  92 #define AT45DB321               0x34
  93 #define AT45DB642               0x3c
  94 #define AT45DB128               0x10
  95
  96 #define AT91C_DATAFLASH_TIMEOUT         20000   /* For AT91F_DataFlashWaitReady */
  97
  98 /* DataFlash return value */
  99 #define AT91C_DATAFLASH_BUSY                    0x00
 100 #define AT91C_DATAFLASH_OK                              0x01
 101 #define AT91C_DATAFLASH_ERROR                   0x02
 102 #define AT91C_DATAFLASH_MEMORY_OVERFLOW 0x03
 103 #define AT91C_DATAFLASH_BAD_COMMAND             0x04
 104 #define AT91C_DATAFLASH_BAD_ADDRESS             0x05
 105
 106
 107 /* Driver State */
 108 #define IDLE            0x0
 109 #define BUSY            0x1
 110 #define ERROR           0x2
 111
 112 /* DataFlash Driver State */
 113 #define GET_STATUS      0x0F
 114
 115 /*-------------------------------------------------------------------------------------------------*/
 116 /* Command Definition                                                                              */
 117 /*-------------------------------------------------------------------------------------------------*/
 118
 119 /* READ COMMANDS */
 120 #define DB_CONTINUOUS_ARRAY_READ        0xE8    /* Continuous array read */
 121 #define DB_BURST_ARRAY_READ                     0xE8    /* Burst array read */
 122 #define DB_PAGE_READ                            0xD2    /* Main memory page read */
 123 #define DB_BUF1_READ                            0xD4    /* Buffer 1 read */
 124 #define DB_BUF2_READ                            0xD6    /* Buffer 2 read */
 125 #define DB_STATUS                                       0xD7    /* Status Register */
 126
 127 /* PROGRAM and ERASE COMMANDS */
 128 #define DB_BUF1_WRITE                           0x84    /* Buffer 1 write */
 129 #define DB_BUF2_WRITE                           0x87    /* Buffer 2 write */
 130 #define DB_BUF1_PAGE_ERASE_PGM          0x83    /* Buffer 1 to main memory page program with built-In erase */
 131 #define DB_BUF1_PAGE_ERASE_FASTPGM      0x93    /* Buffer 1 to main memory page program with built-In erase, Fast program */
 132 #define DB_BUF2_PAGE_ERASE_PGM          0x86    /* Buffer 2 to main memory page program with built-In erase */
 133 #define DB_BUF2_PAGE_ERASE_FASTPGM      0x96    /* Buffer 1 to main memory page program with built-In erase, Fast program */
 134 #define DB_BUF1_PAGE_PGM                        0x88    /* Buffer 1 to main memory page program without built-In erase */
 135 #define DB_BUF1_PAGE_FASTPGM            0x98    /* Buffer 1 to main memory page program without built-In erase, Fast program */
 136 #define DB_BUF2_PAGE_PGM                        0x89    /* Buffer 2 to main memory page program without built-In erase */
 137 #define DB_BUF2_PAGE_FASTPGM            0x99    /* Buffer 1 to main memory page program without built-In erase, Fast program */
 138 #define DB_PAGE_ERASE                           0x81    /* Page Erase */
 139 #define DB_BLOCK_ERASE                          0x50    /* Block Erase */
 140 #define DB_PAGE_PGM_BUF1                        0x82    /* Main memory page through buffer 1 */
 141 #define DB_PAGE_FASTPGM_BUF1            0x92    /* Main memory page through buffer 1, Fast program */
 142 #define DB_PAGE_PGM_BUF2                        0x85    /* Main memory page through buffer 2 */
 143 #define DB_PAGE_FastPGM_BUF2            0x95    /* Main memory page through buffer 2, Fast program */
 144
 145 /* ADDITIONAL COMMANDS */
 146 #define DB_PAGE_2_BUF1_TRF                      0x53    /* Main memory page to buffer 1 transfert */
 147 #define DB_PAGE_2_BUF2_TRF                      0x55    /* Main memory page to buffer 2 transfert */
 148 #define DB_PAGE_2_BUF1_CMP                      0x60    /* Main memory page to buffer 1 compare */
 149 #define DB_PAGE_2_BUF2_CMP                      0x61    /* Main memory page to buffer 2 compare */
 150 #define DB_AUTO_PAGE_PGM_BUF1           0x58    /* Auto page rewrite throught buffer 1 */
 151 #define DB_AUTO_PAGE_PGM_BUF2           0x59    /* Auto page rewrite throught buffer 2 */
 152
 153 /*-------------------------------------------------------------------------------------------------*/
 154
 155
 156 typedef struct read_lock_cmd
 157 {
 158         unsigned char cmd[4];
 159         int  rxsize;
 160         int  txsize;
 161 } t_read_lock_cmd;
 162
 163
 164 extern AT91S_DATAFLASH_INFO dataflash_info[CFG_MAX_DATAFLASH_BANKS];
 165 unsigned int AT91F_SpiWrite ( AT91PS_DataflashDesc pDesc);
 166 extern void AT91F_SpiInit (void);
 167 extern int AT91F_DataflashProbe (int i, AT91PS_DataflashDesc pDesc);
 168 extern int AT91F_DataFlashRead (AT91PS_DataFlash, unsigned long , unsigned long, char *);
 169 extern AT91S_DataFlashStatus AT91F_DataFlashWrite(AT91PS_DataFlash ,unsigned char *, int, int);
 170 extern int AT91F_DataflashInit (void);
 171 extern void AT91F_DataflashPrintInfo(void);
 172 AT91S_DataFlashStatus AT91F_DataFlashWaitReady(AT91PS_DataflashDesc pDataFlashDesc, unsigned int timeout);
 173 void AT91F_SpiEnable(int cs);
 174 void AT91F_SpiDisable();
 175
 176 extern int addr_dataflash (unsigned long addr);
 177 extern int read_dataflash (unsigned long addr, unsigned long size, char *result);
 178 extern int write_dataflash (unsigned long addr_dest, unsigned int addr_src, unsigned int size);
 179 AT91S_DataFlashStatus AT91F_PageErase(  AT91PS_DataFlash pDataFlash,unsigned int page);
 180
 181 int get_size_reg(void);
 182
 183 int erase_dataflash(int nb);
 184 // static void clear_desc( AT91S_DataflashDesc *d);
 185 void read_lock_reg(t_read_lock_cmd *ptrcmd);
 186 void erase_lock_reg(int fl_nb);
 187 void clr_lock_reg(int fl_nb);
 188 void set_lock_reg(int fl_nb);
 189 void flash_enable_lock(int fl_nb);
 190 void flash_disable_lock(int fl_nb);
 191 void erase_chip(int);
 192
 193 extern t_read_lock_cmd read_lock_cmd_sector;
 194 extern read_lock_cmd read_lock_cmd_lockdown;
 195 extern read_lock_cmd  read_lock_cmd_security;
 196
 197 #endif