doc/html/ref/fis-erase-command.html

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  80 ><H1
  81 ><A
  82 NAME="FIS-ERASE-COMMAND">fis erase</H1
  83 ><DIV
  84 CLASS="REFNAMEDIV"
  85 ><A
  86 NAME="AEN4305"
  87 ></A
  88 ><H2
  89 >Name</H2
  90 >fis erase&nbsp;--&nbsp;Erase flash area</DIV
  91 ><DIV
  92 CLASS="REFSYNOPSISDIV"
  93 ><A
  94 NAME="AEN4308"><H2
  95 >Synopsis</H2
  96 ><P
  97 ><B
  98 CLASS="COMMAND"
  99 >fis erase</B
 100 >  {-f <TT
 101 CLASS="REPLACEABLE"
 102 ><I
 103 >flash_address</I
 104 ></TT
 105 >} {-l <TT
 106 CLASS="REPLACEABLE"
 107 ><I
 108 >length</I
 109 ></TT
 110 >}</P
 111 ></DIV
 112 ><DIV
 113 CLASS="REFSECT1"
 114 ><A
 115 NAME="AEN4315"
 116 ></A
 117 ><H2
 118 >Arguments</H2
 119 ><DIV
 120 CLASS="INFORMALTABLE"
 121 ><A
 122 NAME="AEN4317"><P
 123 ></P
 124 ><TABLE
 125 BORDER="1"
 126 CLASS="CALSTABLE"
 127 ><THEAD
 128 ><TR
 129 ><TH
 130 WIDTH="25%"
 131 ALIGN="LEFT"
 132 VALIGN="TOP"
 133 >Name</TH
 134 ><TH
 135 WIDTH="25%"
 136 ALIGN="LEFT"
 137 VALIGN="TOP"
 138 >Type</TH
 139 ><TH
 140 WIDTH="25%"
 141 ALIGN="LEFT"
 142 VALIGN="TOP"
 143 >Description</TH
 144 ><TH
 145 WIDTH="25%"
 146 ALIGN="LEFT"
 147 VALIGN="TOP"
 148 >Default</TH
 149 ></TR
 150 ></THEAD
 151 ><TBODY
 152 ><TR
 153 ><TD
 154 WIDTH="25%"
 155 ALIGN="LEFT"
 156 VALIGN="TOP"
 157 ><TT
 158 CLASS="REPLACEABLE"
 159 ><I
 160 >flash_address</I
 161 ></TT
 162 ></TD
 163 ><TD
 164 WIDTH="25%"
 165 ALIGN="LEFT"
 166 VALIGN="TOP"
 167 >Number</TD
 168 ><TD
 169 WIDTH="25%"
 170 ALIGN="LEFT"
 171 VALIGN="TOP"
 172 >Address of area to be erased.</TD
 173 ><TD
 174 WIDTH="25%"
 175 ALIGN="LEFT"
 176 VALIGN="TOP"
 177 >&nbsp;</TD
 178 ></TR
 179 ><TR
 180 ><TD
 181 WIDTH="25%"
 182 ALIGN="LEFT"
 183 VALIGN="TOP"
 184 ><TT
 185 CLASS="REPLACEABLE"
 186 ><I
 187 >length</I
 188 ></TT
 189 ></TD
 190 ><TD
 191 WIDTH="25%"
 192 ALIGN="LEFT"
 193 VALIGN="TOP"
 194 >Number</TD
 195 ><TD
 196 WIDTH="25%"
 197 ALIGN="LEFT"
 198 VALIGN="TOP"
 199 >Length of area to be erased.</TD
 200 ><TD
 201 WIDTH="25%"
 202 ALIGN="LEFT"
 203 VALIGN="TOP"
 204 >&nbsp;</TD
 205 ></TR
 206 ></TBODY
 207 ></TABLE
 208 ><P
 209 ></P
 210 ></DIV
 211 ></DIV
 212 ><DIV
 213 CLASS="REFSECT1"
 214 ><A
 215 NAME="AEN4342"
 216 ></A
 217 ><H2
 218 >Description</H2
 219 ><P
 220 >This command is used to erase a portion of flash memory forcibly. There
 221 is no cross-checking to ensure that the area being erased does not correspond
 222 to an existing image.</P
 223 ></DIV
 224 ><DIV
 225 CLASS="REFSECT1"
 226 ><A
 227 NAME="AEN4345"
 228 ></A
 229 ><H2
 230 >Examples</H2
 231 ><P
 232 >Erase an area of the flash
 233 <TABLE
 234 BORDER="5"
 235 BGCOLOR="#E0E0F0"
 236 WIDTH="70%"
 237 ><TR
 238 ><TD
 239 ><PRE
 240 CLASS="SCREEN"
 241 >RedBoot&#62; <TT
 242 CLASS="USERINPUT"
 243 ><B
 244 >fis erase -f 0xa0040000 -l 0x20000</B
 245 ></TT
 246 >
 247 ... Erase from 0xa0040000-0xa0060000: .</PRE
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