diff options
| -rw-r--r-- | doc/openocd.texi | 9 | ||||
| -rw-r--r-- | src/flash/nor/core.c | 15 | ||||
| -rw-r--r-- | src/flash/nor/tcl.c | 7 |
3 files changed, 21 insertions, 10 deletions
diff --git a/doc/openocd.texi b/doc/openocd.texi index 5977c409..45b341c4 100644 --- a/doc/openocd.texi +++ b/doc/openocd.texi @@ -4714,12 +4714,15 @@ and possibly stale information. @anchor{flashprotect} @deffn Command {flash protect} num first last (@option{on}|@option{off}) -Enable (@option{on}) or disable (@option{off}) protection of flash sectors -in flash bank @var{num}, starting at sector @var{first} +Enable (@option{on}) or disable (@option{off}) protection of flash blocks +in flash bank @var{num}, starting at protection block @var{first} and continuing up to and including @var{last}. -Providing a @var{last} sector of @option{last} +Providing a @var{last} block of @option{last} specifies "to the end of the flash bank". The @var{num} parameter is a value shown by @command{flash banks}. +The protection block is usually identical to a flash sector. +Some devices may utilize a protection block distinct from flash sector. +See @command{flash info} for a list of protection blocks. @end deffn @deffn Command {flash padded_value} num value diff --git a/src/flash/nor/core.c b/src/flash/nor/core.c index 8f6306f2..ab69a328 100644 --- a/src/flash/nor/core.c +++ b/src/flash/nor/core.c @@ -50,10 +50,17 @@ int flash_driver_erase(struct flash_bank *bank, int first, int last) int flash_driver_protect(struct flash_bank *bank, int set, int first, int last) { int retval; + int num_blocks; + + if (bank->num_prot_blocks) + num_blocks = bank->num_prot_blocks; + else + num_blocks = bank->num_sectors; + /* callers may not supply illegal parameters ... */ - if (first < 0 || first > last || last >= bank->num_sectors) { - LOG_ERROR("illegal sector range"); + if (first < 0 || first > last || last >= num_blocks) { + LOG_ERROR("illegal protection block range"); return ERROR_FAIL; } @@ -69,11 +76,11 @@ int flash_driver_protect(struct flash_bank *bank, int set, int first, int last) * the target could have reset, power cycled, been hot plugged, * the application could have run, etc. * - * Drivers only receive valid sector range. + * Drivers only receive valid protection block range. */ retval = bank->driver->protect(bank, set, first, last); if (retval != ERROR_OK) - LOG_ERROR("failed setting protection for areas %d to %d", first, last); + LOG_ERROR("failed setting protection for blocks %d to %d", first, last); return retval; } diff --git a/src/flash/nor/tcl.c b/src/flash/nor/tcl.c index 69368229..0b72a123 100644 --- a/src/flash/nor/tcl.c +++ b/src/flash/nor/tcl.c @@ -936,10 +936,11 @@ static const struct command_registration flash_exec_command_handlers[] = { .name = "protect", .handler = handle_flash_protect_command, .mode = COMMAND_EXEC, - .usage = "bank_id first_sector [last_sector|'last'] " + .usage = "bank_id first_block [last_block|'last'] " "('on'|'off')", - .help = "Turn protection on or off for a range of sectors " - "in a given flash bank.", + .help = "Turn protection on or off for a range of protection " + "blocks or sectors in a given flash bank. " + "See 'flash info' output for a list of blocks.", }, { .name = "padded_value", |