flash: add padded_value cmd

[openocd.git] / src / flash / nor / tcl.c

diff --git a/src/flash/nor/tcl.c b/src/flash/nor/tcl.c
index cf6fa080377bbb2f727d984ab35c2a175335e242..5bc0958be7fd11c02aa8494d65cc0b297c136f7f 100644 (file)
--- a/src/flash/nor/tcl.c
+++ b/src/flash/nor/tcl.c
@@ -17,7 +17,7 @@
  *   You should have received a copy of the GNU General Public License     *
  *   along with this program; if not, write to the                         *
  *   Free Software Foundation, Inc.,                                       *
- *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.           *
  ***************************************************************************/
 #ifdef HAVE_CONFIG_H
 #include "config.h"
@@ -101,12 +101,13 @@ COMMAND_HANDLER(handle_flash_info_command)
                                protect_state);
                }
 
-               *buf = '\0';    /* initialize buffer, otherwise it migh contain garbage if driver
-                                *function fails */
-               retval = p->driver->info(p, buf, sizeof(buf));
-               command_print(CMD_CTX, "%s", buf);
-               if (retval != ERROR_OK)
-                       LOG_ERROR("error retrieving flash info");
+               if (p->driver->info != NULL) {
+                       retval = p->driver->info(p, buf, sizeof(buf));
+                       if (retval == ERROR_OK)
+                               command_print(CMD_CTX, "%s", buf);
+                       else
+                               LOG_ERROR("error retrieving flash info");
+               }
        }
 
        return retval;
@@ -604,6 +605,24 @@ void flash_set_dirty(void)
        }
 }
 
+COMMAND_HANDLER(handle_flash_padded_value_command)
+{
+       if (CMD_ARGC != 2)
+               return ERROR_COMMAND_SYNTAX_ERROR;
+
+       struct flash_bank *p;
+       int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
+       if (ERROR_OK != retval)
+               return retval;
+
+       COMMAND_PARSE_NUMBER(u8, CMD_ARGV[1], p->default_padded_value);
+
+       command_print(CMD_CTX, "Default padded value set to 0x%" PRIx8 " for flash bank %u", \
+                       p->default_padded_value, p->bank_number);
+
+       return retval;
+}
+
 static const struct command_registration flash_exec_command_handlers[] = {
        {
                .name = "probe",
@@ -699,6 +718,13 @@ static const struct command_registration flash_exec_command_handlers[] = {
                .help = "Turn protection on or off for a range of sectors "
                        "in a given flash bank.",
        },
+       {
+               .name = "padded_value",
+               .handler = handle_flash_padded_value_command,
+               .mode = COMMAND_EXEC,
+               .usage = "bank_id value",
+               .help = "Set default flash padded value",
+       },
        COMMAND_REGISTRATION_DONE
 };
 
@@ -711,7 +737,6 @@ static int flash_init_drivers(struct command_context *cmd_ctx)
        return register_commands(cmd_ctx, parent, flash_exec_command_handlers);
 }
 
-
 COMMAND_HANDLER(handle_flash_bank_command)
 {
        if (CMD_ARGC < 7) {
@@ -764,6 +789,7 @@ COMMAND_HANDLER(handle_flash_bank_command)
        COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], c->size);
        COMMAND_PARSE_NUMBER(int, CMD_ARGV[3], c->chip_width);
        COMMAND_PARSE_NUMBER(int, CMD_ARGV[4], c->bus_width);
+       c->default_padded_value = 0xff;
        c->num_sectors = 0;
        c->sectors = NULL;
        c->next = NULL;