flash: print bank usage on failure
[fw/openocd] / src / flash / nor / tcl.c
index b5e1b2ce8bdd9069278e9b103c16439d9089c202..735caa8ecbed3211dc26b9a753bba21c07156618 100644 (file)
 #include <helper/time_support.h>
 #include <target/image.h>
 
+/**
+ * @file
+ * Implements Tcl commands used to access NOR flash facilities.
+ */
+
 COMMAND_HELPER(flash_command_get_bank, unsigned name_index,
                struct flash_bank **bank)
 {
        const char *name = CMD_ARGV[name_index];
-       *bank = get_flash_bank_by_name(name);
+       int retval = get_flash_bank_by_name(name, bank);
+       if (retval != ERROR_OK)
+               return retval;
        if (*bank)
                return ERROR_OK;
 
        unsigned bank_num;
        COMMAND_PARSE_NUMBER(uint, name, bank_num);
 
-       *bank = get_flash_bank_by_num(bank_num);
-       if (!*bank)
-       {
-               command_print(CMD_CTX, "flash bank '%s' not found", name);
-               return ERROR_INVALID_ARGUMENTS;
-       }
-       return ERROR_OK;
+       return get_flash_bank_by_num(bank_num, bank);
 }
 
 
 COMMAND_HANDLER(handle_flash_info_command)
 {
        struct flash_bank *p;
-       uint32_t i = 0;
        int j = 0;
        int retval;
 
        if (CMD_ARGC != 1)
                return ERROR_COMMAND_SYNTAX_ERROR;
 
-       unsigned bank_nr;
-       COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], bank_nr);
+       retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
+       if (retval != ERROR_OK)
+               return retval;
 
-       for (p = flash_bank_list(); p; p = p->next, i++)
+       if (p != NULL)
        {
-               if (i != bank_nr)
-                       continue;
-
                char buf[1024];
 
                /* attempt auto probe */
                if ((retval = p->driver->auto_probe(p)) != ERROR_OK)
                        return retval;
 
+               /* We must query the hardware to avoid printing stale information! */
+               retval = p->driver->protect_check(p);
+               if (retval != ERROR_OK)
+                       return retval;
+
                command_print(CMD_CTX,
-                             "#%" PRIi32 " : %s at 0x%8.8" PRIx32 ", size 0x%8.8" PRIx32 ", buswidth %i, chipwidth %i",
-                             i,
+                             "#%" PRIu32 " : %s at 0x%8.8" PRIx32 ", size 0x%8.8" PRIx32 ", buswidth %i, chipwidth %i",
+                             p->bank_number,
                              p->driver->name,
                              p->base,
                              p->size,
@@ -103,14 +106,15 @@ COMMAND_HANDLER(handle_flash_info_command)
                retval = p->driver->info(p, buf, sizeof(buf));
                command_print(CMD_CTX, "%s", buf);
                if (retval != ERROR_OK)
-                       LOG_ERROR("error retrieving flash info (%d)", retval);
+                       LOG_ERROR("error retrieving flash info");
        }
 
-       return ERROR_OK;
+       return retval;
 }
 
 COMMAND_HANDLER(handle_flash_probe_command)
 {
+       struct flash_bank *p;
        int retval;
 
        if (CMD_ARGC != 1)
@@ -118,32 +122,24 @@ COMMAND_HANDLER(handle_flash_probe_command)
                return ERROR_COMMAND_SYNTAX_ERROR;
        }
 
-       unsigned bank_nr;
-       COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], bank_nr);
-       struct flash_bank *p = get_flash_bank_by_num_noprobe(bank_nr);
+       retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
+       if (retval != ERROR_OK)
+               return retval;
+
        if (p)
        {
                if ((retval = p->driver->probe(p)) == ERROR_OK)
                {
                        command_print(CMD_CTX, "flash '%s' found at 0x%8.8" PRIx32, p->driver->name, p->base);
                }
-               else if (retval == ERROR_FLASH_BANK_INVALID)
-               {
-                       command_print(CMD_CTX, "probing failed for flash bank '#%s' at 0x%8.8" PRIx32,
-                                                 CMD_ARGV[0], p->base);
-               }
-               else
-               {
-                       command_print(CMD_CTX, "unknown error when probing flash bank '#%s' at 0x%8.8" PRIx32,
-                                                 CMD_ARGV[0], p->base);
-               }
        }
        else
        {
                command_print(CMD_CTX, "flash bank '#%s' is out of bounds", CMD_ARGV[0]);
+               retval = ERROR_FAIL;
        }
 
-       return ERROR_OK;
+       return retval;
 }
 
 COMMAND_HANDLER(handle_flash_erase_check_command)
@@ -189,34 +185,55 @@ COMMAND_HANDLER(handle_flash_erase_check_command)
                              erase_state);
        }
 
-       return ERROR_OK;
+       return retval;
 }
 
 COMMAND_HANDLER(handle_flash_erase_address_command)
 {
        struct flash_bank *p;
-       int retval;
-       int address;
-       int length;
-
+       int retval = ERROR_OK;
+       uint32_t address;
+       uint32_t length;
+       bool do_pad = false;
+       bool do_unlock = false;
        struct target *target = get_current_target(CMD_CTX);
 
+       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)
+               {
+                       do_pad = true;
+               } else if (strcmp("unlock", CMD_ARGV[0]) == 0)
+               {
+                       do_unlock = true;
+               } else
+               {
+                       return ERROR_COMMAND_SYNTAX_ERROR;
+               }
+               CMD_ARGC--;
+               CMD_ARGV++;
+       }
        if (CMD_ARGC != 2)
+       {
                return ERROR_COMMAND_SYNTAX_ERROR;
+       }
+
+       COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], address);
+       COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], length);
 
-       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");
                return ERROR_COMMAND_SYNTAX_ERROR;
        }
 
-       p = get_flash_bank_by_addr(target, address);
-       if (p == NULL)
-       {
-               return ERROR_FAIL;
-       }
+       retval = get_flash_bank_by_addr(target, address, true, &p);
+       if (retval != ERROR_OK)
+               return retval;
 
        /* We can't know if we did a resume + halt, in which case we no longer know the erased state */
        flash_set_dirty();
@@ -224,42 +241,24 @@ COMMAND_HANDLER(handle_flash_erase_address_command)
        struct duration bench;
        duration_start(&bench);
 
-       retval = flash_erase_address_range(target, address, length);
-
-       if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
+       if (do_unlock)
        {
-               command_print(CMD_CTX, "erased address 0x%8.8x (length %i)"
-                               " in %fs (%0.3f kb/s)", address, length,
-                               duration_elapsed(&bench), duration_kbps(&bench, length));
+               retval = flash_unlock_address_range(target, address, length);
        }
 
-       return retval;
-}
-
-COMMAND_HANDLER(handle_flash_protect_check_command)
-{
-       if (CMD_ARGC != 1)
-               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;
-
-       if ((retval = p->driver->protect_check(p)) == ERROR_OK)
+       if (retval == ERROR_OK)
        {
-               command_print(CMD_CTX, "successfully checked protect state");
+               retval = flash_erase_address_range(target, do_pad, address, length);
        }
-       else if (retval == ERROR_FLASH_OPERATION_FAILED)
-       {
-               command_print(CMD_CTX, "checking protection state failed (possibly unsupported) by flash #%s at 0x%8.8" PRIx32, CMD_ARGV[0], p->base);
-       }
-       else
+
+       if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
        {
-               command_print(CMD_CTX, "unknown error when checking protection state of flash bank '#%s' at 0x%8.8" PRIx32, CMD_ARGV[0], p->base);
+               command_print(CMD_CTX, "erased address 0x%8.8x (length %i)"
+                               " in %fs (%0.3f KiB/s)", address, length,
+                               duration_elapsed(&bench), duration_kbps(&bench, length));
        }
 
-       return ERROR_OK;
+       return retval;
 }
 
 static int flash_check_sector_parameters(struct command_context *cmd_ctx,
@@ -285,14 +284,15 @@ COMMAND_HANDLER(handle_flash_erase_command)
        if (CMD_ARGC != 3)
                return ERROR_COMMAND_SYNTAX_ERROR;
 
-       uint32_t bank_nr;
        uint32_t first;
        uint32_t last;
 
-       COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], bank_nr);
-       struct flash_bank *p = get_flash_bank_by_num(bank_nr);
-       if (!p)
-               return ERROR_OK;
+       struct flash_bank *p;
+       int retval;
+
+       retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
+       if (retval != ERROR_OK)
+               return retval;
 
        COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], first);
        if (strcmp(CMD_ARGV[2], "last") == 0)
@@ -300,7 +300,6 @@ COMMAND_HANDLER(handle_flash_erase_command)
        else
                COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], last);
 
-       int retval;
        if ((retval = flash_check_sector_parameters(CMD_CTX,
                        first, last, p->num_sectors)) != ERROR_OK)
                return retval;
@@ -314,7 +313,7 @@ COMMAND_HANDLER(handle_flash_erase_command)
        {
                command_print(CMD_CTX, "erased sectors %" PRIu32 " "
                                "through %" PRIu32" on flash bank %" PRIu32 " "
-                               "in %fs", first, last, bank_nr, duration_elapsed(&bench));
+                               "in %fs", first, last, p->bank_number, duration_elapsed(&bench));
        }
 
        return ERROR_OK;
@@ -325,14 +324,15 @@ COMMAND_HANDLER(handle_flash_protect_command)
        if (CMD_ARGC != 4)
                return ERROR_COMMAND_SYNTAX_ERROR;
 
-       uint32_t bank_nr;
        uint32_t first;
        uint32_t last;
 
-       COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], bank_nr);
-       struct flash_bank *p = get_flash_bank_by_num(bank_nr);
-       if (!p)
-               return ERROR_OK;
+       struct flash_bank *p;
+       int retval;
+
+       retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
+       if (retval != ERROR_OK)
+               return retval;
 
        COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], first);
        if (strcmp(CMD_ARGV[2], "last") == 0)
@@ -343,7 +343,6 @@ COMMAND_HANDLER(handle_flash_protect_command)
        bool set;
        COMMAND_PARSE_ON_OFF(CMD_ARGV[3], set);
 
-       int retval;
        if ((retval = flash_check_sector_parameters(CMD_CTX,
                        first, last, p->num_sectors)) != ERROR_OK)
                return retval;
@@ -351,12 +350,12 @@ COMMAND_HANDLER(handle_flash_protect_command)
        retval = flash_driver_protect(p, set, first, last);
        if (retval == ERROR_OK) {
                command_print(CMD_CTX, "%s protection for sectors %i "
-                               "through %i on flash bank %i",
+                               "through %i on flash bank %" PRIu32 "",
                        (set) ? "set" : "cleared", (int) first,
-                       (int) last, (int) bank_nr);
+                       (int) last, p->bank_number);
        }
 
-       return ERROR_OK;
+       return retval;
 }
 
 COMMAND_HANDLER(handle_flash_write_image_command)
@@ -414,7 +413,7 @@ COMMAND_HANDLER(handle_flash_write_image_command)
        if (CMD_ARGC >= 2)
        {
                image.base_address_set = 1;
-               COMMAND_PARSE_NUMBER(int, CMD_ARGV[1], image.base_address);
+               COMMAND_PARSE_NUMBER(llong, CMD_ARGV[1], image.base_address);
        }
        else
        {
@@ -439,8 +438,8 @@ COMMAND_HANDLER(handle_flash_write_image_command)
 
        if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
        {
-               command_print(CMD_CTX, "wrote %" PRIu32 " byte from file %s "
-                               "in %fs (%0.3f kb/s)", written, CMD_ARGV[0],
+               command_print(CMD_CTX, "wrote %" PRIu32 " bytes from file %s "
+                               "in %fs (%0.3f KiB/s)", written, CMD_ARGV[0],
                                duration_elapsed(&bench), duration_kbps(&bench, written));
        }
 
@@ -459,7 +458,7 @@ COMMAND_HANDLER(handle_flash_fill_command)
        uint32_t cur_size = 0;
        uint32_t chunk_count;
        struct target *target = get_current_target(CMD_CTX);
-       uint32_t i;
+       unsigned i;
        uint32_t wordsize;
        int retval = ERROR_OK;
 
@@ -536,12 +535,9 @@ COMMAND_HANDLER(handle_flash_fill_command)
        {
                struct flash_bank *bank;
 
-               bank = get_flash_bank_by_addr(target, address);
-               if (bank == NULL)
-               {
-                       retval = ERROR_FAIL;
+               retval = get_flash_bank_by_addr(target, address, true, &bank );
+               if (retval != ERROR_OK)
                        goto done;
-               }
 
                cur_size = MIN((count * wordsize - wrote), chunksize);
                err = flash_driver_write(bank, chunk, address - bank->base + wrote, cur_size);
@@ -551,19 +547,18 @@ COMMAND_HANDLER(handle_flash_fill_command)
                        goto done;
                }
 
-               err = target_read_buffer(target, address + wrote, cur_size, readback);
+               err = flash_driver_read(bank, readback, address - bank->base + wrote, cur_size);
                if (err != ERROR_OK)
                {
                        retval = err;
                        goto done;
                }
 
-               unsigned i;
                for (i = 0; i < cur_size; i++)
                {
                        if (readback[i]!=chunk[i])
                        {
-                               LOG_ERROR("Verfication error address 0x%08" PRIx32 ", read back 0x%02x, expected 0x%02x",
+                               LOG_ERROR("Verification error address 0x%08" PRIx32 ", read back 0x%02x, expected 0x%02x",
                                                  address + wrote + i, readback[i], chunk[i]);
                                retval = ERROR_FAIL;
                                goto done;
@@ -571,10 +566,10 @@ COMMAND_HANDLER(handle_flash_fill_command)
                }
        }
 
-       if (duration_measure(&bench) == ERROR_OK)
+       if ((retval == ERROR_OK) && (duration_measure(&bench) == ERROR_OK))
        {
                command_print(CMD_CTX, "wrote %" PRIu32 " bytes to 0x%8.8" PRIx32
-                               " in %fs (%0.3f kb/s)", wrote, address,
+                               " in %fs (%0.3f KiB/s)", wrote, address,
                                duration_elapsed(&bench), duration_kbps(&bench, wrote));
        }
 
@@ -609,9 +604,23 @@ COMMAND_HANDLER(handle_flash_write_bank_command)
                return ERROR_OK;
        }
 
-       buffer = malloc(fileio.size);
+       int filesize;
+       retval = fileio_size(&fileio, &filesize);
+       if (retval != ERROR_OK)
+       {
+               fileio_close(&fileio);
+               return retval;
+       }
+
+       buffer = malloc(filesize);
+       if (buffer == NULL)
+       {
+               fileio_close(&fileio);
+               LOG_ERROR("Out of memory");
+               return ERROR_FAIL;
+       }
        size_t buf_cnt;
-       if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK)
+       if (fileio_read(&fileio, filesize, buffer, &buf_cnt) != ERROR_OK)
        {
                free(buffer);
                fileio_close(&fileio);
@@ -625,10 +634,10 @@ COMMAND_HANDLER(handle_flash_write_bank_command)
 
        if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
        {
-               command_print(CMD_CTX, "wrote %zu byte from file %s to flash bank %u"
-                               " at offset 0x%8.8" PRIx32 " in %fs (%0.3f kb/s)",
-                               fileio.size, CMD_ARGV[1], p->bank_number, offset,
-                               duration_elapsed(&bench), duration_kbps(&bench, fileio.size));
+               command_print(CMD_CTX, "wrote %ld bytes from file %s to flash bank %u"
+                               " at offset 0x%8.8" PRIx32 " in %fs (%0.3f KiB/s)",
+                               (long)filesize, CMD_ARGV[1], p->bank_number, offset,
+                               duration_elapsed(&bench), duration_kbps(&bench, filesize));
        }
 
        fileio_close(&fileio);
@@ -654,94 +663,102 @@ void flash_set_dirty(void)
 static const struct command_registration flash_exec_command_handlers[] = {
        {
                .name = "probe",
-               .handler = &handle_flash_probe_command,
+               .handler = handle_flash_probe_command,
                .mode = COMMAND_EXEC,
-               .usage = "<bank>",
-               .help = "identify flash bank",
+               .usage = "bank_id",
+               .help = "Identify a flash bank.",
        },
        {
                .name = "info",
-               .handler = &handle_flash_info_command,
+               .handler = handle_flash_info_command,
                .mode = COMMAND_EXEC,
-               .usage = "<bank>",
-               .help = "print bank information",
+               .usage = "bank_id",
+               .help = "Print information about a flash bank.",
        },
        {
                .name = "erase_check",
-               .handler = &handle_flash_erase_check_command,
+               .handler = handle_flash_erase_check_command,
                .mode = COMMAND_EXEC,
-               .usage = "<bank>",
-               .help = "check erase state of sectors",
-       },
-       {
-               .name = "protect_check",
-               .handler = &handle_flash_protect_check_command,
-               .mode = COMMAND_EXEC,
-               .usage = "<bank>",
-               .help = "check protection state of sectors",
+               .usage = "bank_id",
+               .help = "Check erase state of all blocks in a "
+                       "flash bank.",
        },
        {
                .name = "erase_sector",
-               .handler = &handle_flash_erase_command,
+               .handler = handle_flash_erase_command,
                .mode = COMMAND_EXEC,
-               .usage = "<bank> <first> <last>",
-               .help = "erase sectors",
+               .usage = "bank_id first_sector_num last_sector_num",
+               .help = "Erase a range of sectors in a flash bank.",
        },
        {
                .name = "erase_address",
-               .handler = &handle_flash_erase_address_command,
+               .handler = handle_flash_erase_address_command,
                .mode = COMMAND_EXEC,
-               .usage = "<address> <length>",
-               .help = "erase address range",
+               .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. "
+                       "If 'unlock' is specified, then the flash is unprotected "
+                       "before erasing.",
 
        },
        {
                .name = "fillw",
-               .handler = &handle_flash_fill_command,
+               .handler = handle_flash_fill_command,
                .mode = COMMAND_EXEC,
-               .usage = "<address> <word_pattern> <count>",
-               .help = "fill with pattern (no autoerase)",
+               .usage = "address value n",
+               .help = "Fill n words with 32-bit value, starting at "
+                       "word address.  (No autoerase.)",
        },
        {
                .name = "fillh",
-               .handler = &handle_flash_fill_command,
+               .handler = handle_flash_fill_command,
                .mode = COMMAND_EXEC,
-               .usage = "<address> <halfword_pattern> <count>",
-               .help = "fill with pattern",
+               .usage = "address value n",
+               .help = "Fill n halfwords with 16-bit value, starting at "
+                       "word address.  (No autoerase.)",
        },
        {
                .name = "fillb",
-               .handler = &handle_flash_fill_command,
+               .handler = handle_flash_fill_command,
                .mode = COMMAND_EXEC,
-               .usage = "<address> <byte_pattern> <count>",
-               .help = "fill with pattern",
-
+               .usage = "address value n",
+               .help = "Fill n bytes with 8-bit value, starting at "
+                       "word address.  (No autoerase.)",
        },
        {
                .name = "write_bank",
-               .handler = &handle_flash_write_bank_command,
+               .handler = handle_flash_write_bank_command,
                .mode = COMMAND_EXEC,
-               .usage = "<bank> <file> <offset>",
-               .help = "write binary data",
+               .usage = "bank_id filename offset",
+               .help = "Write binary data from file to flash bank, "
+                       "starting at specified byte offset from the "
+                       "beginning of the bank.",
        },
        {
                .name = "write_image",
-               .handler = &handle_flash_write_image_command,
+               .handler = handle_flash_write_image_command,
                .mode = COMMAND_EXEC,
-               .usage = "[erase] [unlock] <file> [offset] [type]",
-               .help = "write an image to flash"
+               .usage = "[erase] [unlock] filename [offset [file_type]]",
+               .help = "Write an image to flash.  Optionally first unprotect "
+                       "and/or erase the region to be used.  Allow optional "
+                       "offset from beginning of bank (defaults to zero)",
        },
        {
                .name = "protect",
-               .handler = &handle_flash_protect_command,
+               .handler = handle_flash_protect_command,
                .mode = COMMAND_EXEC,
-               .usage = "<bank> <first> <last> <on | off>",
-               .help = "set protection of sectors",
+               .usage = "bank_id first_sector [last_sector|'last'] "
+                       "('on'|'off')",
+               .help = "Turn protection on or off for a range of sectors "
+                       "in a given flash bank.",
        },
        COMMAND_REGISTRATION_DONE
 };
 
-int flash_init_drivers(struct command_context *cmd_ctx)
+static int flash_init_drivers(struct command_context *cmd_ctx)
 {
        if (!flash_bank_list())
                return ERROR_OK;
@@ -756,7 +773,7 @@ COMMAND_HANDLER(handle_flash_bank_command)
        if (CMD_ARGC < 7)
        {
                LOG_ERROR("usage: flash bank <name> <driver> "
-                               "<base> <size> <chip_width> <bus_width>");
+                               "<base> <size> <chip_width> <bus_width> <target>");
                return ERROR_COMMAND_SYNTAX_ERROR;
        }
        // save bank name and advance arguments for compatibility
@@ -779,6 +796,14 @@ COMMAND_HANDLER(handle_flash_bank_command)
                return ERROR_FAIL;
        }
 
+       /* check the flash bank name is unique */
+       if (get_flash_bank_by_name_noprobe(bank_name) != NULL)
+       {
+               /* flash bank name already exists  */
+               LOG_ERROR("flash bank name '%s' already exists", bank_name);
+               return ERROR_FAIL;
+       }
+
        /* register flash specific commands */
        if (NULL != driver->commands)
        {
@@ -809,12 +834,15 @@ COMMAND_HANDLER(handle_flash_bank_command)
        retval = CALL_COMMAND_HANDLER(driver->flash_bank_command, c);
        if (ERROR_OK != retval)
        {
-               LOG_ERROR("'%s' driver rejected flash bank at 0x%8.8" PRIx32,
-                               driver_name, c->base);
+               LOG_ERROR("'%s' driver rejected flash bank at 0x%8.8" PRIx32 "Usage %s",
+                               driver_name, c->base, driver->usage);
                free(c);
                return retval;
        }
 
+       if (driver->usage == NULL)
+               LOG_DEBUG("'%s' driver usage field missing", driver_name);
+
        flash_bank_add(c);
 
        return ERROR_OK;
@@ -823,14 +851,14 @@ COMMAND_HANDLER(handle_flash_bank_command)
 COMMAND_HANDLER(handle_flash_banks_command)
 {
        if (CMD_ARGC != 0)
-               return ERROR_INVALID_ARGUMENTS;
+               return ERROR_COMMAND_SYNTAX_ERROR;
 
        unsigned n = 0;
        for (struct flash_bank *p = flash_bank_list(); p; p = p->next, n++)
        {
-               LOG_USER("#%u: %s at 0x%8.8" PRIx32 ", size 0x%8.8" PRIx32 ", "
-                       "buswidth %u, chipwidth %u", n,
-                       p->driver->name, p->base, p->size,
+               LOG_USER("#%" PRIu32 " : %s (%s) at 0x%8.8" PRIx32 ", size 0x%8.8" PRIx32 ", "
+                       "buswidth %u, chipwidth %u", p->bank_number,
+                       p->name, p->driver->name, p->base, p->size,
                        p->bus_width, p->chip_width);
        }
        return ERROR_OK;
@@ -891,10 +919,10 @@ COMMAND_HANDLER(handle_flash_init_command)
 static const struct command_registration flash_config_command_handlers[] = {
        {
                .name = "bank",
-               .handler = &handle_flash_bank_command,
+               .handler = handle_flash_bank_command,
                .mode = COMMAND_CONFIG,
-               .usage = "<name> <driver> <base> <size> "
-                       "<chip_width> <bus_width> <target> "
+               .usage = "bank_id driver_name base_address size_bytes "
+                       "chip_width_bytes bus_width_bytes target "
                        "[driver_options ...]",
                .help = "Define a new bank with the given name, "
                        "using the specified NOR flash driver.",
@@ -902,20 +930,20 @@ static const struct command_registration flash_config_command_handlers[] = {
        {
                .name = "init",
                .mode = COMMAND_CONFIG,
-               .handler = &handle_flash_init_command,
-               .help = "initialize flash devices",
+               .handler = handle_flash_init_command,
+               .help = "Initialize flash devices.",
        },
        {
                .name = "banks",
                .mode = COMMAND_ANY,
-               .handler = &handle_flash_banks_command,
-               .help = "return readable information about the flash banks",
+               .handler = handle_flash_banks_command,
+               .help = "Display table with information about flash banks.",
        },
        {
                .name = "list",
                .mode = COMMAND_ANY,
-               .jim_handler = &jim_flash_list,
-               .help = "returns a list of details about the flash banks",
+               .jim_handler = jim_flash_list,
+               .help = "Returns a list of details about the flash banks.",
        },
        COMMAND_REGISTRATION_DONE
 };