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comparison packages/redboot/current/doc/users_guide @ 124:0ec04793409a ecos-sw-2000-09-11

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Merge from eCos master repository on 2000-09-11-03:00:13-BST
author jlarmour
date Mon, 11 Sep 2000 02:42:46 +0000
parents 6ed91473a1cd
children
comparison
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123:9b71e8e665a3 124:0ec04793409a
188 a loaded image. 188 a loaded image.
189 189
190 ======================================================================= 190 =======================================================================
191 RedBoot> fis erase -f 0xa0040000 -l 0x20000 191 RedBoot> fis erase -f 0xa0040000 -l 0x20000
192 ... Erase from 0xa0040000-0xa0060000: . 192 ... Erase from 0xa0040000-0xa0060000: .
193 =======================================================================
194
195 fis lock -f <flash_addr> -l <length>
196
197 This command is used to write-protect [lock] a portion of flash memory. This
198 command is optional and will only be provided on hardware which can support
199 write-protection of the flash space. Note: depending on the system, attempting
200 to write to write-protected flash may generate errors or warnings or be
201 benignly quiet.
202
203 =======================================================================
204 RedBoot> fis lock -f 0xa0040000 -l 0x20000
205 ... Lock from 0xa0040000-0xa0060000: .
206 =======================================================================
207
208 fis unlock -f <flash_addr> -l <length>
209
210 This command is used to unlock forceably erase a portion of flash memory.
211 It must be issued for regions which have been locked before the FIS can reuse
212 those portions of flash.
213
214 =======================================================================
215 RedBoot> fis unlock -f 0xa0040000 -l 0x20000
216 ... Unlock from 0xa0040000-0xa0060000: .
193 ======================================================================= 217 =======================================================================
194 218
195 - Persistent state [flash-based configuration] control 219 - Persistent state [flash-based configuration] control
196 220
197 Additionally, if the platform has flash memory, certain control and configuration 221 Additionally, if the platform has flash memory, certain control and configuration