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annotate packages/hal/arm/integrator/current/src/prog_flash.c @ 3292:7f8e529b4d82 default tip

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Fix FREESCALE_EDMA_NBYTES_MLOFFYES_MLOFF() so it works with negative offsets.
author vae
date Wed, 29 Apr 2015 23:31:48 +0000
parents 74dbf4c3f2e1
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 //==========================================================================
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2 //
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3 // prog_flash.c
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4 //
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5 // ARM INTEGRATOR eval board FLASH program tool
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6 //
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7 //==========================================================================
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8 // ####ECOSGPLCOPYRIGHTBEGIN####
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9 // -------------------------------------------
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10 // This file is part of eCos, the Embedded Configurable Operating System.
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11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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12 //
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13 // eCos is free software; you can redistribute it and/or modify it under
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14 // the terms of the GNU General Public License as published by the Free
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15 // Software Foundation; either version 2 or (at your option) any later
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16 // version.
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17 //
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18 // eCos is distributed in the hope that it will be useful, but WITHOUT
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19 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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20 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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21 // for more details.
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22 //
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23 // You should have received a copy of the GNU General Public License
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24 // along with eCos; if not, write to the Free Software Foundation, Inc.,
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25 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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26 //
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27 // As a special exception, if other files instantiate templates or use
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28 // macros or inline functions from this file, or you compile this file
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29 // and link it with other works to produce a work based on this file,
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30 // this file does not by itself cause the resulting work to be covered by
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31 // the GNU General Public License. However the source code for this file
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32 // must still be made available in accordance with section (3) of the GNU
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33 // General Public License v2.
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34 //
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35 // This exception does not invalidate any other reasons why a work based
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36 // on this file might be covered by the GNU General Public License.
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37 // -------------------------------------------
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38 // ####ECOSGPLCOPYRIGHTEND####
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39 //==========================================================================
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40 //#####DESCRIPTIONBEGIN####
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41 //
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42 // Author(s): gthomas
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43 // Contributors: Philippe Robin
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44 // Date: November 7, 2000
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45 // Description: Tool used to program onboard FLASH image
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46 //####DESCRIPTIONEND####
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47
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48 //
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49 // This program will program the FLASH on the PID board
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50 // It is similar to 'flash' (which also downloads S records) but it always
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51 // programs from a fixed buffer. This is sufficient to load/update the GDB
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52 // stubs on the board.
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53 //
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54
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55 #include <pkgconf/libc.h> // Configuration header
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56
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57 #include <cyg/kernel/kapi.h>
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58 #include <stdlib.h>
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59 #include <ctype.h>
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60 #include <cyg/infra/testcase.h>
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61 #include <sys/cstartup.h>
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62 #include <cyg/hal/hal_integrator.h>
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63
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64 #ifndef FALSE
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65 #define FALSE 0
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66 #define TRUE 1
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67 #endif
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68
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69
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70 #define INVALID_FTYPE 0x00000000
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71 #define UNKNOWN_FTYPE 0xFFFFFFFF
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72 #define ATMEL_FTYPE 0x00000001
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73 #define INTEL_FTYPE 0x00000002
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74
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75 #define FLASH_TYPE_MASK (ATMEL_FTYPE | INTEL_FTYPE)
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76
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77 // On Some platforms Boot and program flash may be part of the same device
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78 #define INTEGRATED_FTYPE 0x80000000
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79 #define BOOT_FTYPE 0x40000000
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80 #define APP_FTYPE 0x20000000
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81
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82 #define FLASH_USAGE_MASK (BOOT_FTYPE | APP_FTYPE)
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83
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84 #define DEFAULT_FLASH_MASK 0xFFFFFFF8
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85 #define FLASH_BLOCK_SIZE 0x00020000 // 128Kb
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86 #define EPROM_BASE 0x20000000
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87 #define EPROM_SIZE 0x00080000 // 512Kb
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88 #define FLASH_BASE 0x24000000
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89 #define FLASH_SIZE 0x02000000 // 32Mb
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90
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91 typedef struct flashType {
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92 char *base; // Base Address of flash
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93 char *physicalBase; // before mem initialisation
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94 unsigned int size; // Size of flash, in bytes
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95 unsigned int type; // Atmel / Intel (CFI) / Unknown
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96 unsigned int writeSize; // Size of physical block
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97 unsigned int eraseSize; // Size of block erase
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98 unsigned int logicalSize; // Size of logical block
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99 char *ident; // identification string
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100 } tFlash;
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101
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102 tFlash Integrator_Flash[2] =
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103 {
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104 {
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105 (char *)EPROM_BASE, // Base Address of flash
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106 (char *)EPROM_BASE, // Physical Address of flash
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107 EPROM_SIZE, // Size of flash, in bytes (512K)
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108 BOOT_FTYPE | ATMEL_FTYPE, // Flash type
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109 FLASH_BLOCK_SIZE, // Size of physical block
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110 FLASH_BLOCK_SIZE, // Size of block erase
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111 FLASH_BLOCK_SIZE, // Size of logical block
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112 "Atmel", // Null terminated Info string
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113 },
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114 {
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115 (char *)FLASH_BASE, // Base Address of flash
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116 (char *)FLASH_BASE, // Physical Address of flash
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117 FLASH_SIZE, // Size of flash, in bytes
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118 APP_FTYPE | INTEL_FTYPE, // Flash type
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119 FLASH_BLOCK_SIZE, // Size of physical block
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120 FLASH_BLOCK_SIZE, // Size of block erase
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121 FLASH_BLOCK_SIZE, // Size of logical block
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122 "Intel 28F320S3", // Null terminated Info string
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123 }
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124 };
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125
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126
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127 extern void diag_printf(const char *, ...);
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128 int identify_FLASH(void);
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129 void write_sector(int, char *);
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130
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131 char *flash_buffer = (char *)0x60000;
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132 char *flash_buffer_end = (char *)0x80000;
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133
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134 #ifdef BE_IMAGE
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135 #define BUF(x) buf[x^3]
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136 #else
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137 #define BUF(x) buf[x]
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138 #endif
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139
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140 // FUNCTIONS
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141
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142 externC void
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143 cyg_package_start( void )
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144 {
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145 #ifdef CYGPKG_LIBC
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146 cyg_iso_c_start();
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147 #else
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148 (void)main(0, NULL);
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149 #endif
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150 } // cyg_package_start()
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151
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152 int
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153 main( int argc, char *argv[] )
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154 {
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155 int i;
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156
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157 diag_printf("FLASH here!\n");
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158 while (identify_FLASH() == 0) {
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159 diag_printf("... Please change FLASH jumper\n");
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160 cyg_thread_delay(5*100);
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161 }
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162 diag_printf("About to program FLASH using data at %x..%x\n", flash_buffer, flash_buffer_end);
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163 diag_printf("*** Press RESET now to abort!\n");
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164 cyg_thread_delay(5*100);
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165 diag_printf("\n");
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166 diag_printf("...Programming FLASH\n");
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167
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168 i = 0;
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169 while (flash_buffer < flash_buffer_end) {
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170 write_sector(i++, flash_buffer);
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171 flash_buffer += 256;
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172 }
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173 diag_printf("All done!\n");
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174 while (1) ;
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175 }
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176
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177 // Adapted from ARM sample code
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178 #define SEQ_ADD1 0x5555
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179 #define SEQ_ADD2 0x2aaa
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180 #define START_CMD1 0xaaaaaaaa
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181 #define START_CMD2 0x55555555
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182 #define ID_CMD 0x90909090
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183 #define PROG_CMD 0xA0
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184 #define STOP_CMD 0xf0f0f0f0
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185
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186 #define MAN_ATMEL 0x1F
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187 #define ATMEL_AT29C040_ID 0X5B
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188 #define ATMEL_AT29C040A_ID 0XA4
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189 #define ATMEL_AT29C1024_ID 0X25
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190 #define ATMEL_SECTOR_SIZE 256
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191 #define ATMEL_MAX_SECTORS 2048
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192
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193 #define MAN_INTEL 0xB0
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194 #define INTEL_28F320S3_ID 0xD4
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195
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196 int manuf_code, device_code;
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197 int sector_size, max_no_of_sectors, word_mode;
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198 volatile unsigned int *FLASH = (volatile unsigned int *)0x24000000;
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199
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200 int
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201 identify_FLASH(void )
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202 {
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203 unsigned int *ptr = (unsigned int *)FLASH;
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204
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205 HAL_FLASH_WRITE_ENABLE();
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206
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207 // Enter Software Product Identification Mode
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208 FLASH[SEQ_ADD1] = START_CMD1;
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209 FLASH[SEQ_ADD2] = START_CMD2;
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210 FLASH[SEQ_ADD1] = ID_CMD;
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211
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212 // Wait at least 10ms
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213 cyg_thread_delay(4);
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214
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215 // Read Manufacturer and device code from the device
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216 manuf_code = *ptr++ & 0xff;
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217 device_code = *ptr & 0xff;
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218
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219 diag_printf("manuf: 0x%x, device: 0x%x\n", manuf_code, device_code);
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220
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221 // Exit Software Product Identification Mode
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222 FLASH[SEQ_ADD1] = START_CMD1;
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223 FLASH[SEQ_ADD2] = START_CMD2;
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224 FLASH[SEQ_ADD1] = STOP_CMD;
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225
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226 // Wait at least 10ms
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227 cyg_thread_delay(5);
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228
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229 HAL_FLASH_WRITE_DISABLE();
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230
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231 if (manuf_code != MAN_ATMEL || manuf_code != MAN_INTEL) {
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232 diag_printf ( "Error: Wrong Manufaturer: %02x\n", manuf_code );
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233 return (0);
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234 }
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235
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236 switch (device_code) {
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237 case ATMEL_AT29C040A_ID:
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238 diag_printf ("AT29C040A recognised\n");
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239 sector_size = ATMEL_SECTOR_SIZE;
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240 max_no_of_sectors = ATMEL_MAX_SECTORS;
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241 word_mode = FALSE;
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242 break;
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243
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244 case ATMEL_AT29C1024_ID:
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245 diag_printf ("AT29C1024 recognised\n");
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246 sector_size = ATMEL_SECTOR_SIZE;
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247 max_no_of_sectors = ATMEL_MAX_SECTORS;
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248 word_mode = TRUE;
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249 break;
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250
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251 case INTEL_28F320S3_ID:
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252 diag_printf ("INTEL_28F320S3 recognised\n");
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253 sector_size = FLASH_BLOCK_SIZE;
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254 // max_no_of_sectors = ATMEL_MAX_SECTORS;
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255 word_mode = TRUE;
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256 break;
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257
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258 default :
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259 diag_printf ( "Error: Unsupported device: %02x\n", device_code);
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260 return (0);
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261 }
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262 return (1);
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263 }
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264
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265 void
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266 write_sector(int num, char *buf)
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267 {
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268 int i, cnt;
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269 volatile char *wrt = (volatile char *)&FLASH[num*sector_size];
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270
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271 // diag_printf("Writing to %08x\n", wrt);
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272 // Enter Program Mode
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273 FLASH[SEQ_ADD1] = START_CMD1;
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274 FLASH[SEQ_ADD2] = START_CMD2;
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275 FLASH[SEQ_ADD1] = PROG_CMD;
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276
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277 // Note: write bytes as longs regardless of bus width
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278 for (i = 0; i < sector_size; i++) {
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279 wrt[i] = BUF(i);
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280 }
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281
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282 // Wait for sector to program
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283 cnt = 0;
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284 i = sector_size - 1;
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285 while (wrt[i] != BUF(i)) {
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286 if (cnt++ > 0x01000000) break;
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287 }
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288 // diag_printf("Out - i: %d, wrt[i] = %08X.%08X, BUF(i) = %08X, count = %x\n", i, &wrt[i], wrt[i], BUF(i), cnt);
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289
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290 // Verify
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291 for (i = 0; i < sector_size; i++) {
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292 for (cnt = 0; cnt < 10; cnt++) {
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293 if (wrt[i] == BUF(i)) break;
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294 cyg_thread_delay(1);
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295 }
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296 if (cnt == 10) {
67850532eebb Merge from eCos master repository on 2001-11-02-06:43:03-GMT
jlarmour
parents:
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297 diag_printf("Can't program at 0x%08X: %02X not %02X\n", wrt, *wrt, BUF(0));
67850532eebb Merge from eCos master repository on 2001-11-02-06:43:03-GMT
jlarmour
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298 }
67850532eebb Merge from eCos master repository on 2001-11-02-06:43:03-GMT
jlarmour
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299 }
67850532eebb Merge from eCos master repository on 2001-11-02-06:43:03-GMT
jlarmour
parents:
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300 }