diff options
Diffstat (limited to 'src/flash/nor/tcl.c')
| -rw-r--r-- | src/flash/nor/tcl.c | 47 |
1 files changed, 33 insertions, 14 deletions
diff --git a/src/flash/nor/tcl.c b/src/flash/nor/tcl.c index 66b8ac34..947fd046 100644 --- a/src/flash/nor/tcl.c +++ b/src/flash/nor/tcl.c @@ -194,32 +194,40 @@ COMMAND_HANDLER(handle_flash_erase_check_command) COMMAND_HANDLER(handle_flash_erase_address_command) { struct flash_bank *p; - int retval; + int retval = ERROR_OK; int address; int length; bool do_pad = false; + bool do_unlock = false; struct target *target = get_current_target(CMD_CTX); - switch (CMD_ARGC) { - case 3: + while (CMD_ARGC >= 3) + { /* Optionally pad out the address range to block/sector * boundaries. We can't know if there's data in that part * of the flash; only do padding if we're told to. */ - if (strcmp("pad", CMD_ARGV[0]) != 0) + if (strcmp("pad", CMD_ARGV[0]) == 0) + { + do_pad = true; + } else if (strcmp("unlock", CMD_ARGV[0]) == 0) + { + do_unlock = true; + } else + { return ERROR_COMMAND_SYNTAX_ERROR; - do_pad = true; + } CMD_ARGC--; CMD_ARGV++; - /* FALL THROUGH */ - case 2: - COMMAND_PARSE_NUMBER(int, CMD_ARGV[0], address); - COMMAND_PARSE_NUMBER(int, CMD_ARGV[1], length); - break; - default: + } + if (CMD_ARGC != 2) + { return ERROR_COMMAND_SYNTAX_ERROR; } + COMMAND_PARSE_NUMBER(int, CMD_ARGV[0], address); + COMMAND_PARSE_NUMBER(int, CMD_ARGV[1], length); + if (length <= 0) { command_print(CMD_CTX, "Length must be >0"); @@ -238,7 +246,15 @@ COMMAND_HANDLER(handle_flash_erase_address_command) struct duration bench; duration_start(&bench); - retval = flash_erase_address_range(target, do_pad, address, length); + if (do_unlock) + { + retval = flash_unlock_address_range(target, address, length); + } + + if (retval == ERROR_OK) + { + retval = flash_erase_address_range(target, do_pad, address, length); + } if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK)) { @@ -709,12 +725,15 @@ static const struct command_registration flash_exec_command_handlers[] = { .name = "erase_address", .handler = handle_flash_erase_address_command, .mode = COMMAND_EXEC, - .usage = "['pad'] address length", + .usage = "['pad'] ['unlock'] address length", .help = "Erase flash sectors starting at address and " "continuing for length bytes. If 'pad' is specified, " "data outside that range may also be erased: the start " "address may be decreased, and length increased, so " - "that all of the first and last sectors are erased.", + "that all of the first and last sectors are erased. " + "If 'unlock' is specified, then the flash is unprotected " + "before erasing.", + }, { .name = "fillw", |