openocd: src/flash: replace the GPL-2.0-or-later license tag
[fw/openocd] / src / flash / nor / tcl.c
index 8c13241ddd9b198827cc1431a68e5d8579920afc..c184513643972d8a4cce911c28dc6188668bb150 100644 (file)
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
 /***************************************************************************
  *   Copyright (C) 2005 by Dominic Rath <Dominic.Rath@gmx.de>              *
  *   Copyright (C) 2007,2008 Ã˜yvind Harboe <oyvind.harboe@zylin.com>       *
  *   Copyright (C) 2008 by Spencer Oliver <spen@spen-soft.co.uk>           *
  *   Copyright (C) 2009 Zachary T Welch <zw@superlucidity.net>             *
- *                                                                         *
- *   This program is free software; you can redistribute it and/or modify  *
- *   it under the terms of the GNU General Public License as published by  *
- *   the Free Software Foundation; either version 2 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program is distributed in the hope that it will be useful,       *
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
- *   GNU General Public License for more details.                          *
- *                                                                         *
- *   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.             *
+ *   Copyright (C) 2017-2018 Tomas Vanek <vanekt@fbl.cz>                   *
  ***************************************************************************/
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 #include "imp.h"
+#include <helper/time_support.h>
+#include <target/image.h>
 
-COMMAND_HANDLER(handle_flash_bank_command)
+/**
+ * @file
+ * Implements Tcl commands used to access NOR flash facilities.
+ */
+
+static COMMAND_HELPER(flash_command_get_bank_maybe_probe, unsigned name_index,
+              struct flash_bank **bank, bool do_probe)
+{
+       const char *name = CMD_ARGV[name_index];
+       int retval;
+       if (do_probe) {
+               retval = get_flash_bank_by_name(name, bank);
+       } else {
+               *bank  = get_flash_bank_by_name_noprobe(name);
+               retval = ERROR_OK;
+       }
+
+       if (retval != ERROR_OK)
+               return retval;
+       if (*bank)
+               return ERROR_OK;
+
+       unsigned bank_num;
+       COMMAND_PARSE_NUMBER(uint, name, bank_num);
+
+       if (do_probe) {
+               return get_flash_bank_by_num(bank_num, bank);
+       } else {
+               *bank  = get_flash_bank_by_num_noprobe(bank_num);
+               retval = (bank) ? ERROR_OK : ERROR_FAIL;
+               return retval;
+       }
+}
+
+COMMAND_HELPER(flash_command_get_bank, unsigned name_index,
+       struct flash_bank **bank)
+{
+       return CALL_COMMAND_HANDLER(flash_command_get_bank_maybe_probe,
+                                   name_index, bank, true);
+}
+
+COMMAND_HANDLER(handle_flash_info_command)
+{
+       struct flash_bank *p;
+       int j = 0;
+       int retval;
+       bool show_sectors = false;
+       bool prot_block_available;
+
+       if (CMD_ARGC < 1 || CMD_ARGC > 2)
+               return ERROR_COMMAND_SYNTAX_ERROR;
+
+       if (CMD_ARGC == 2) {
+               if (strcmp("sectors", CMD_ARGV[1]) == 0)
+                       show_sectors = true;
+               else
+                       return ERROR_COMMAND_SYNTAX_ERROR;
+       }
+
+       retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
+       if (retval != ERROR_OK)
+               return retval;
+
+       if (p) {
+               int num_blocks;
+               struct flash_sector *block_array;
+
+               /* attempt auto probe */
+               retval = p->driver->auto_probe(p);
+               if (retval != ERROR_OK)
+                       return retval;
+
+               /* If the driver does not implement protection, we show the default
+                * state of is_protected array - usually protection state unknown */
+               if (!p->driver->protect_check) {
+                       retval = ERROR_FLASH_OPER_UNSUPPORTED;
+               } else {
+                       /* We must query the hardware to avoid printing stale information! */
+                       retval = p->driver->protect_check(p);
+                       if (retval != ERROR_OK && retval != ERROR_FLASH_OPER_UNSUPPORTED)
+                               return retval;
+               }
+               if (retval == ERROR_FLASH_OPER_UNSUPPORTED)
+                       LOG_INFO("Flash protection check is not implemented.");
+
+               command_print(CMD,
+                       "#%u : %s at " TARGET_ADDR_FMT ", size 0x%8.8" PRIx32
+                       ", buswidth %u, chipwidth %u",
+                       p->bank_number,
+                       p->driver->name,
+                       p->base,
+                       p->size,
+                       p->bus_width,
+                       p->chip_width);
+
+               prot_block_available = p->num_prot_blocks && p->prot_blocks;
+               if (!show_sectors && prot_block_available) {
+                       block_array = p->prot_blocks;
+                       num_blocks = p->num_prot_blocks;
+               } else {
+                       block_array = p->sectors;
+                       num_blocks = p->num_sectors;
+               }
+
+               for (j = 0; j < num_blocks; j++) {
+                       char *protect_state = "";
+
+                       if (block_array[j].is_protected == 0)
+                               protect_state = "not protected";
+                       else if (block_array[j].is_protected == 1)
+                               protect_state = "protected";
+                       else if (!show_sectors || !prot_block_available)
+                               protect_state = "protection state unknown";
+
+                       command_print(CMD,
+                               "\t#%3i: 0x%8.8" PRIx32 " (0x%" PRIx32 " %" PRIu32 "kB) %s",
+                               j,
+                               block_array[j].offset,
+                               block_array[j].size,
+                               block_array[j].size >> 10,
+                               protect_state);
+               }
+
+               if (p->driver->info) {
+                       /* Let the flash driver print extra custom info */
+                       retval = p->driver->info(p, CMD);
+                       command_print_sameline(CMD, "\n");
+                       if (retval != ERROR_OK)
+                               LOG_ERROR("error retrieving flash info");
+               }
+       }
+
+       return retval;
+}
+
+COMMAND_HANDLER(handle_flash_probe_command)
+{
+       struct flash_bank *p;
+       int retval;
+
+       if (CMD_ARGC != 1)
+               return ERROR_COMMAND_SYNTAX_ERROR;
+
+       retval = CALL_COMMAND_HANDLER(flash_command_get_bank_maybe_probe, 0, &p, false);
+       if (retval != ERROR_OK)
+               return retval;
+
+       if (p) {
+               retval = p->driver->probe(p);
+               if (retval == ERROR_OK)
+                       command_print(CMD,
+                               "flash '%s' found at " TARGET_ADDR_FMT,
+                               p->driver->name,
+                               p->base);
+       } else {
+               command_print(CMD, "flash bank '#%s' is out of bounds", CMD_ARGV[0]);
+               retval = ERROR_FAIL;
+       }
+
+       return retval;
+}
+
+COMMAND_HANDLER(handle_flash_erase_check_command)
+{
+       bool blank = true;
+       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 (retval != ERROR_OK)
+               return retval;
+
+       retval = p->driver->erase_check(p);
+       if (retval == ERROR_OK)
+               command_print(CMD, "successfully checked erase state");
+       else {
+               command_print(CMD,
+                       "unknown error when checking erase state of flash bank #%s at "
+                       TARGET_ADDR_FMT,
+                       CMD_ARGV[0],
+                       p->base);
+       }
+
+       for (unsigned int j = 0; j < p->num_sectors; j++) {
+               char *erase_state;
+
+               if (p->sectors[j].is_erased == 0)
+                       erase_state = "not erased";
+               else if (p->sectors[j].is_erased == 1)
+                       continue;
+               else
+                       erase_state = "erase state unknown";
+
+               blank = false;
+               command_print(CMD,
+                       "\t#%3i: 0x%8.8" PRIx32 " (0x%" PRIx32 " %" PRIu32 "kB) %s",
+                       j,
+                       p->sectors[j].offset,
+                       p->sectors[j].size,
+                       p->sectors[j].size >> 10,
+                       erase_state);
+       }
+
+       if (blank)
+               command_print(CMD, "\tBank is erased");
+       return retval;
+}
+
+COMMAND_HANDLER(handle_flash_erase_address_command)
+{
+       struct flash_bank *p;
+       int retval = ERROR_OK;
+       target_addr_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_ADDRESS(CMD_ARGV[0], address);
+       COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], length);
+
+       if (length <= 0) {
+               command_print(CMD, "Length must be >0");
+               return ERROR_COMMAND_SYNTAX_ERROR;
+       }
+
+       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();
+
+       struct duration bench;
+       duration_start(&bench);
+
+       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 ((retval == ERROR_OK) && (duration_measure(&bench) == ERROR_OK)) {
+               command_print(CMD, "erased address " TARGET_ADDR_FMT " (length %" PRIu32 ")"
+                       " in %fs (%0.3f KiB/s)", address, length,
+                       duration_elapsed(&bench), duration_kbps(&bench, length));
+       }
+
+       return retval;
+}
+
+COMMAND_HANDLER(handle_flash_erase_command)
+{
+       if (CMD_ARGC != 3)
+               return ERROR_COMMAND_SYNTAX_ERROR;
+
+       uint32_t first;
+       uint32_t last;
+
+       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)
+               last = p->num_sectors - 1;
+       else
+               COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], last);
+
+       if (!(first <= last)) {
+               command_print(CMD, "ERROR: "
+                       "first sector must be <= last");
+               return ERROR_FAIL;
+       }
+
+       if (!(last <= (p->num_sectors - 1))) {
+               command_print(CMD, "ERROR: "
+                       "last sector must be <= %u",
+                       p->num_sectors - 1);
+               return ERROR_FAIL;
+       }
+
+       struct duration bench;
+       duration_start(&bench);
+
+       retval = flash_driver_erase(p, first, last);
+
+       if ((retval == ERROR_OK) && (duration_measure(&bench) == ERROR_OK)) {
+               command_print(CMD, "erased sectors %" PRIu32 " "
+                       "through %" PRIu32 " on flash bank %u "
+                       "in %fs", first, last, p->bank_number, duration_elapsed(&bench));
+       }
+
+       return retval;
+}
+
+COMMAND_HANDLER(handle_flash_protect_command)
+{
+       if (CMD_ARGC != 4)
+               return ERROR_COMMAND_SYNTAX_ERROR;
+
+       uint32_t first;
+       uint32_t last;
+
+       struct flash_bank *p;
+       int retval;
+       int num_blocks;
+
+       retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
+       if (retval != ERROR_OK)
+               return retval;
+
+       if (p->num_prot_blocks)
+               num_blocks = p->num_prot_blocks;
+       else
+               num_blocks = p->num_sectors;
+
+       COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], first);
+       if (strcmp(CMD_ARGV[2], "last") == 0)
+               last = num_blocks - 1;
+       else
+               COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], last);
+
+       bool set;
+       COMMAND_PARSE_ON_OFF(CMD_ARGV[3], set);
+
+       if (!(first <= last)) {
+               command_print(CMD, "ERROR: "
+                       "first %s must be <= last",
+                       (p->num_prot_blocks) ? "block" : "sector");
+               return ERROR_FAIL;
+       }
+
+       if (!(last <= (uint32_t)(num_blocks - 1))) {
+               command_print(CMD, "ERROR: "
+                       "last %s must be <= %d",
+                       (p->num_prot_blocks) ? "block" : "sector",
+                       num_blocks - 1);
+               return ERROR_FAIL;
+       }
+
+       retval = flash_driver_protect(p, set, first, last);
+       if (retval == ERROR_OK) {
+               command_print(CMD, "%s protection for %s %" PRIu32
+                       " through %" PRIu32 " on flash bank %d",
+                       (set) ? "set" : "cleared",
+                       (p->num_prot_blocks) ? "blocks" : "sectors",
+                       first, last, p->bank_number);
+       }
+
+       return retval;
+}
+
+COMMAND_HANDLER(handle_flash_write_image_command)
+{
+       struct target *target = get_current_target(CMD_CTX);
+
+       struct image image;
+       uint32_t written;
+
+       int retval;
+
+       /* flash auto-erase is disabled by default*/
+       int auto_erase = 0;
+       bool auto_unlock = false;
+
+       while (CMD_ARGC) {
+               if (strcmp(CMD_ARGV[0], "erase") == 0) {
+                       auto_erase = 1;
+                       CMD_ARGV++;
+                       CMD_ARGC--;
+                       command_print(CMD, "auto erase enabled");
+               } else if (strcmp(CMD_ARGV[0], "unlock") == 0) {
+                       auto_unlock = true;
+                       CMD_ARGV++;
+                       CMD_ARGC--;
+                       command_print(CMD, "auto unlock enabled");
+               } else
+                       break;
+       }
+
+       if (CMD_ARGC < 1)
+               return ERROR_COMMAND_SYNTAX_ERROR;
+
+       if (!target) {
+               LOG_ERROR("no target selected");
+               return ERROR_FAIL;
+       }
+
+       struct duration bench;
+       duration_start(&bench);
+
+       if (CMD_ARGC >= 2) {
+               image.base_address_set = true;
+               COMMAND_PARSE_NUMBER(llong, CMD_ARGV[1], image.base_address);
+       } else {
+               image.base_address_set = false;
+               image.base_address = 0x0;
+       }
+
+       image.start_address_set = false;
+
+       retval = image_open(&image, CMD_ARGV[0], (CMD_ARGC == 3) ? CMD_ARGV[2] : NULL);
+       if (retval != ERROR_OK)
+               return retval;
+
+       retval = flash_write_unlock_verify(target, &image, &written, auto_erase,
+               auto_unlock, true, false);
+       if (retval != ERROR_OK) {
+               image_close(&image);
+               return retval;
+       }
+
+       if ((retval == ERROR_OK) && (duration_measure(&bench) == ERROR_OK)) {
+               command_print(CMD, "wrote %" PRIu32 " bytes from file %s "
+                       "in %fs (%0.3f KiB/s)", written, CMD_ARGV[0],
+                       duration_elapsed(&bench), duration_kbps(&bench, written));
+       }
+
+       image_close(&image);
+
+       return retval;
+}
+
+COMMAND_HANDLER(handle_flash_verify_image_command)
+{
+       struct target *target = get_current_target(CMD_CTX);
+
+       struct image image;
+       uint32_t verified;
+
+       int retval;
+
+       if (CMD_ARGC < 1)
+               return ERROR_COMMAND_SYNTAX_ERROR;
+
+       if (!target) {
+               LOG_ERROR("no target selected");
+               return ERROR_FAIL;
+       }
+
+       struct duration bench;
+       duration_start(&bench);
+
+       if (CMD_ARGC >= 2) {
+               image.base_address_set = 1;
+               COMMAND_PARSE_NUMBER(llong, CMD_ARGV[1], image.base_address);
+       } else {
+               image.base_address_set = 0;
+               image.base_address = 0x0;
+       }
+
+       image.start_address_set = 0;
+
+       retval = image_open(&image, CMD_ARGV[0], (CMD_ARGC == 3) ? CMD_ARGV[2] : NULL);
+       if (retval != ERROR_OK)
+               return retval;
+
+       retval = flash_write_unlock_verify(target, &image, &verified, false,
+               false, false, true);
+       if (retval != ERROR_OK) {
+               image_close(&image);
+               return retval;
+       }
+
+       if ((retval == ERROR_OK) && (duration_measure(&bench) == ERROR_OK)) {
+               command_print(CMD, "verified %" PRIu32 " bytes from file %s "
+                       "in %fs (%0.3f KiB/s)", verified, CMD_ARGV[0],
+                       duration_elapsed(&bench), duration_kbps(&bench, verified));
+       }
+
+       image_close(&image);
+
+       return retval;
+}
+
+COMMAND_HANDLER(handle_flash_fill_command)
+{
+       target_addr_t address;
+       uint64_t pattern;
+       uint32_t count;
+       struct target *target = get_current_target(CMD_CTX);
+       unsigned i;
+       uint32_t wordsize;
+       int retval;
+
+       if (CMD_ARGC != 3)
+               return ERROR_COMMAND_SYNTAX_ERROR;
+
+       COMMAND_PARSE_ADDRESS(CMD_ARGV[0], address);
+       COMMAND_PARSE_NUMBER(u64, CMD_ARGV[1], pattern);
+       COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], count);
+
+       struct flash_bank *bank;
+       retval = get_flash_bank_by_addr(target, address, true, &bank);
+       if (retval != ERROR_OK)
+               return retval;
+
+       switch (CMD_NAME[4]) {
+               case 'd':
+                       wordsize = 8;
+                       break;
+               case 'w':
+                       wordsize = 4;
+                       break;
+               case 'h':
+                       wordsize = 2;
+                       break;
+               case 'b':
+                       wordsize = 1;
+                       break;
+               default:
+                       return ERROR_COMMAND_SYNTAX_ERROR;
+       }
+
+       if ((wordsize < sizeof(pattern)) && (pattern >> (8 * wordsize) != 0)) {
+               command_print(CMD, "Fill pattern 0x%" PRIx64 " does not fit within %" PRIu32 "-byte word", pattern, wordsize);
+               return ERROR_FAIL;
+       }
+
+       if (count == 0)
+               return ERROR_OK;
+
+       if (address + count * wordsize > bank->base + bank->size) {
+               LOG_ERROR("Cannot cross flash bank borders");
+               return ERROR_FAIL;
+       }
+
+       uint32_t size_bytes = count * wordsize;
+       target_addr_t aligned_start = flash_write_align_start(bank, address);
+       target_addr_t end_addr = address + size_bytes - 1;
+       target_addr_t aligned_end = flash_write_align_end(bank, end_addr);
+       uint32_t aligned_size = aligned_end + 1 - aligned_start;
+       uint32_t padding_at_start = address - aligned_start;
+       uint32_t padding_at_end = aligned_end - end_addr;
+
+       uint8_t *buffer = malloc(aligned_size);
+       if (!buffer)
+               return ERROR_FAIL;
+
+       if (padding_at_start) {
+               memset(buffer, bank->default_padded_value, padding_at_start);
+               LOG_WARNING("Start address " TARGET_ADDR_FMT
+                       " breaks the required alignment of flash bank %s",
+                       address, bank->name);
+               LOG_WARNING("Padding %" PRIu32 " bytes from " TARGET_ADDR_FMT,
+                   padding_at_start, aligned_start);
+       }
+
+       uint8_t *ptr = buffer + padding_at_start;
+
+       switch (wordsize) {
+               case 8:
+                       for (i = 0; i < count; i++, ptr += wordsize)
+                               target_buffer_set_u64(target, ptr, pattern);
+                       break;
+               case 4:
+                       for (i = 0; i < count; i++, ptr += wordsize)
+                               target_buffer_set_u32(target, ptr, pattern);
+                       break;
+               case 2:
+                       for (i = 0; i < count; i++, ptr += wordsize)
+                               target_buffer_set_u16(target, ptr, pattern);
+                       break;
+               case 1:
+                       memset(ptr, pattern, count);
+                       ptr += count;
+                       break;
+               default:
+                       LOG_ERROR("BUG: can't happen");
+                       exit(-1);
+       }
+
+       if (padding_at_end) {
+               memset(ptr, bank->default_padded_value, padding_at_end);
+               LOG_INFO("Padding at " TARGET_ADDR_FMT " with %" PRIu32
+                       " bytes (bank write end alignment)",
+                       end_addr + 1, padding_at_end);
+       }
+
+       struct duration bench;
+       duration_start(&bench);
+
+       retval = flash_driver_write(bank, buffer, aligned_start - bank->base, aligned_size);
+       if (retval != ERROR_OK)
+               goto done;
+
+       retval = flash_driver_read(bank, buffer, address - bank->base, size_bytes);
+       if (retval != ERROR_OK)
+               goto done;
+
+       for (i = 0, ptr = buffer; i < count; i++) {
+               uint64_t readback = 0;
+
+               switch (wordsize) {
+                       case 8:
+                               readback = target_buffer_get_u64(target, ptr);
+                               break;
+                       case 4:
+                               readback = target_buffer_get_u32(target, ptr);
+                               break;
+                       case 2:
+                               readback = target_buffer_get_u16(target, ptr);
+                               break;
+                       case 1:
+                               readback = *ptr;
+                               break;
+               }
+               if (readback != pattern) {
+                       LOG_ERROR(
+                               "Verification error address " TARGET_ADDR_FMT
+                               ", read back 0x%02" PRIx64 ", expected 0x%02" PRIx64,
+                               address + i * wordsize, readback, pattern);
+                       retval = ERROR_FAIL;
+                       goto done;
+               }
+               ptr += wordsize;
+       }
+
+       if ((retval == ERROR_OK) && (duration_measure(&bench) == ERROR_OK)) {
+               command_print(CMD, "wrote %" PRIu32 " bytes to " TARGET_ADDR_FMT
+                       " in %fs (%0.3f KiB/s)", size_bytes, address,
+                       duration_elapsed(&bench), duration_kbps(&bench, size_bytes));
+       }
+
+done:
+       free(buffer);
+
+       return retval;
+}
+
+COMMAND_HANDLER(handle_flash_md_command)
+{
+       int retval;
+
+       if (CMD_ARGC < 1 || CMD_ARGC > 2)
+               return ERROR_COMMAND_SYNTAX_ERROR;
+
+       target_addr_t address;
+       COMMAND_PARSE_ADDRESS(CMD_ARGV[0], address);
+
+       uint32_t count = 1;
+       if (CMD_ARGC == 2)
+               COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], count);
+
+       unsigned int wordsize;
+       switch (CMD_NAME[2]) {
+               case 'w':
+                       wordsize = 4;
+                       break;
+               case 'h':
+                       wordsize = 2;
+                       break;
+               case 'b':
+                       wordsize = 1;
+                       break;
+               default:
+                       return ERROR_COMMAND_SYNTAX_ERROR;
+       }
+
+       if (count == 0)
+               return ERROR_OK;
+
+       struct target *target = get_current_target(CMD_CTX);
+       struct flash_bank *bank;
+       retval = get_flash_bank_by_addr(target, address, true, &bank);
+       if (retval != ERROR_OK)
+               return retval;
+
+       uint32_t offset = address - bank->base;
+       uint32_t sizebytes = count * wordsize;
+       if (offset + sizebytes > bank->size) {
+               command_print(CMD, "Cannot cross flash bank borders");
+               return ERROR_FAIL;
+       }
+
+       uint8_t *buffer = calloc(count, wordsize);
+       if (!buffer) {
+               command_print(CMD, "No memory for flash read buffer");
+               return ERROR_FAIL;
+       }
+
+       retval = flash_driver_read(bank, buffer, offset, sizebytes);
+       if (retval == ERROR_OK)
+               target_handle_md_output(CMD, target, address, wordsize, count, buffer);
+
+       free(buffer);
+
+       return retval;
+}
+
+
+COMMAND_HANDLER(handle_flash_write_bank_command)
+{
+       uint32_t offset;
+       uint8_t *buffer;
+       size_t length;
+       struct fileio *fileio;
+
+       if (CMD_ARGC < 2 || CMD_ARGC > 3)
+               return ERROR_COMMAND_SYNTAX_ERROR;
+
+       struct duration bench;
+       duration_start(&bench);
+
+       struct flash_bank *bank;
+       int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &bank);
+       if (retval != ERROR_OK)
+               return retval;
+
+       offset = 0;
+
+       if (CMD_ARGC > 2)
+               COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], offset);
+
+       if (offset > bank->size) {
+               LOG_ERROR("Offset 0x%8.8" PRIx32 " is out of range of the flash bank",
+                       offset);
+               return ERROR_COMMAND_ARGUMENT_INVALID;
+       }
+
+       if (fileio_open(&fileio, CMD_ARGV[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
+               return ERROR_FAIL;
+
+       size_t filesize;
+       retval = fileio_size(fileio, &filesize);
+       if (retval != ERROR_OK) {
+               fileio_close(fileio);
+               return retval;
+       }
+
+       length = MIN(filesize, bank->size - offset);
+
+       if (!length) {
+               LOG_INFO("Nothing to write to flash bank");
+               fileio_close(fileio);
+               return ERROR_OK;
+       }
+
+       if (length != filesize)
+               LOG_INFO("File content exceeds flash bank size. Only writing the "
+                       "first %zu bytes of the file", length);
+
+       target_addr_t start_addr = bank->base + offset;
+       target_addr_t aligned_start = flash_write_align_start(bank, start_addr);
+       target_addr_t end_addr = start_addr + length - 1;
+       target_addr_t aligned_end = flash_write_align_end(bank, end_addr);
+       uint32_t aligned_size = aligned_end + 1 - aligned_start;
+       uint32_t padding_at_start = start_addr - aligned_start;
+       uint32_t padding_at_end = aligned_end - end_addr;
+
+       buffer = malloc(aligned_size);
+       if (!buffer) {
+               fileio_close(fileio);
+               LOG_ERROR("Out of memory");
+               return ERROR_FAIL;
+       }
+
+       if (padding_at_start) {
+               memset(buffer, bank->default_padded_value, padding_at_start);
+               LOG_WARNING("Start offset 0x%08" PRIx32
+                       " breaks the required alignment of flash bank %s",
+                       offset, bank->name);
+               LOG_WARNING("Padding %" PRIu32 " bytes from " TARGET_ADDR_FMT,
+                   padding_at_start, aligned_start);
+       }
+
+       uint8_t *ptr = buffer + padding_at_start;
+       size_t buf_cnt;
+       if (fileio_read(fileio, length, ptr, &buf_cnt) != ERROR_OK) {
+               free(buffer);
+               fileio_close(fileio);
+               return ERROR_FAIL;
+       }
+
+       if (buf_cnt != length) {
+               LOG_ERROR("Short read");
+               free(buffer);
+               return ERROR_FAIL;
+       }
+
+       ptr += length;
+
+       if (padding_at_end) {
+               memset(ptr, bank->default_padded_value, padding_at_end);
+               LOG_INFO("Padding at " TARGET_ADDR_FMT " with %" PRIu32
+                       " bytes (bank write end alignment)",
+                       end_addr + 1, padding_at_end);
+       }
+
+       retval = flash_driver_write(bank, buffer, aligned_start - bank->base, aligned_size);
+
+       free(buffer);
+
+       if ((retval == ERROR_OK) && (duration_measure(&bench) == ERROR_OK)) {
+               command_print(CMD, "wrote %zu bytes from file %s to flash bank %u"
+                       " at offset 0x%8.8" PRIx32 " in %fs (%0.3f KiB/s)",
+                       length, CMD_ARGV[1], bank->bank_number, offset,
+                       duration_elapsed(&bench), duration_kbps(&bench, length));
+       }
+
+       fileio_close(fileio);
+
+       return retval;
+}
+
+COMMAND_HANDLER(handle_flash_read_bank_command)
+{
+       uint32_t offset;
+       uint8_t *buffer;
+       struct fileio *fileio;
+       uint32_t length;
+       size_t written;
+
+       if (CMD_ARGC < 2 || CMD_ARGC > 4)
+               return ERROR_COMMAND_SYNTAX_ERROR;
+
+       struct duration bench;
+       duration_start(&bench);
+
+       struct flash_bank *p;
+       int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
+
+       if (retval != ERROR_OK)
+               return retval;
+
+       offset = 0;
+
+       if (CMD_ARGC > 2)
+               COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], offset);
+
+       if (offset > p->size) {
+               LOG_ERROR("Offset 0x%8.8" PRIx32 " is out of range of the flash bank",
+                       offset);
+               return ERROR_COMMAND_ARGUMENT_INVALID;
+       }
+
+       length = p->size - offset;
+
+       if (CMD_ARGC > 3)
+               COMMAND_PARSE_NUMBER(u32, CMD_ARGV[3], length);
+
+       if (offset + length > p->size) {
+               LOG_ERROR("Length of %" PRIu32 " bytes with offset 0x%8.8" PRIx32
+                       " is out of range of the flash bank", length, offset);
+               return ERROR_COMMAND_ARGUMENT_INVALID;
+       }
+
+       buffer = malloc(length);
+       if (!buffer) {
+               LOG_ERROR("Out of memory");
+               return ERROR_FAIL;
+       }
+
+       retval = flash_driver_read(p, buffer, offset, length);
+       if (retval != ERROR_OK) {
+               LOG_ERROR("Read error");
+               free(buffer);
+               return retval;
+       }
+
+       retval = fileio_open(&fileio, CMD_ARGV[1], FILEIO_WRITE, FILEIO_BINARY);
+       if (retval != ERROR_OK) {
+               LOG_ERROR("Could not open file");
+               free(buffer);
+               return retval;
+       }
+
+       retval = fileio_write(fileio, length, buffer, &written);
+       fileio_close(fileio);
+       free(buffer);
+       if (retval != ERROR_OK) {
+               LOG_ERROR("Could not write file");
+               return ERROR_FAIL;
+       }
+
+       if (duration_measure(&bench) == ERROR_OK)
+               command_print(CMD, "wrote %zd bytes to file %s from flash bank %u"
+                       " at offset 0x%8.8" PRIx32 " in %fs (%0.3f KiB/s)",
+                       written, CMD_ARGV[1], p->bank_number, offset,
+                       duration_elapsed(&bench), duration_kbps(&bench, written));
+
+       return retval;
+}
+
+
+COMMAND_HANDLER(handle_flash_verify_bank_command)
+{
+       uint32_t offset;
+       uint8_t *buffer_file, *buffer_flash;
+       struct fileio *fileio;
+       size_t read_cnt;
+       size_t filesize;
+       size_t length;
+       int differ;
+
+       if (CMD_ARGC < 2 || CMD_ARGC > 3)
+               return ERROR_COMMAND_SYNTAX_ERROR;
+
+       struct duration bench;
+       duration_start(&bench);
+
+       struct flash_bank *p;
+       int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
+       if (retval != ERROR_OK)
+               return retval;
+
+       offset = 0;
+
+       if (CMD_ARGC > 2)
+               COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], offset);
+
+       if (offset > p->size) {
+               LOG_ERROR("Offset 0x%8.8" PRIx32 " is out of range of the flash bank",
+                       offset);
+               return ERROR_COMMAND_ARGUMENT_INVALID;
+       }
+
+       retval = fileio_open(&fileio, CMD_ARGV[1], FILEIO_READ, FILEIO_BINARY);
+       if (retval != ERROR_OK) {
+               LOG_ERROR("Could not open file");
+               return retval;
+       }
+
+       retval = fileio_size(fileio, &filesize);
+       if (retval != ERROR_OK) {
+               fileio_close(fileio);
+               return retval;
+       }
+
+       length = MIN(filesize, p->size - offset);
+
+       if (!length) {
+               LOG_INFO("Nothing to compare with flash bank");
+               fileio_close(fileio);
+               return ERROR_OK;
+       }
+
+       if (length != filesize)
+               LOG_INFO("File content exceeds flash bank size. Only comparing the "
+                       "first %zu bytes of the file", length);
+
+       buffer_file = malloc(length);
+       if (!buffer_file) {
+               LOG_ERROR("Out of memory");
+               fileio_close(fileio);
+               return ERROR_FAIL;
+       }
+
+       retval = fileio_read(fileio, length, buffer_file, &read_cnt);
+       fileio_close(fileio);
+       if (retval != ERROR_OK) {
+               LOG_ERROR("File read failure");
+               free(buffer_file);
+               return retval;
+       }
+
+       if (read_cnt != length) {
+               LOG_ERROR("Short read");
+               free(buffer_file);
+               return ERROR_FAIL;
+       }
+
+       buffer_flash = malloc(length);
+       if (!buffer_flash) {
+               LOG_ERROR("Out of memory");
+               free(buffer_file);
+               return ERROR_FAIL;
+       }
+
+       retval = flash_driver_read(p, buffer_flash, offset, length);
+       if (retval != ERROR_OK) {
+               LOG_ERROR("Flash read error");
+               free(buffer_flash);
+               free(buffer_file);
+               return retval;
+       }
+
+       if (duration_measure(&bench) == ERROR_OK)
+               command_print(CMD, "read %zd bytes from file %s and flash bank %u"
+                       " at offset 0x%8.8" PRIx32 " in %fs (%0.3f KiB/s)",
+                       length, CMD_ARGV[1], p->bank_number, offset,
+                       duration_elapsed(&bench), duration_kbps(&bench, length));
+
+       differ = memcmp(buffer_file, buffer_flash, length);
+       command_print(CMD, "contents %s", differ ? "differ" : "match");
+       if (differ) {
+               uint32_t t;
+               int diffs = 0;
+               for (t = 0; t < length; t++) {
+                       if (buffer_flash[t] == buffer_file[t])
+                               continue;
+                       command_print(CMD, "diff %d address 0x%08" PRIx32 ". Was 0x%02x instead of 0x%02x",
+                                       diffs, t + offset, buffer_flash[t], buffer_file[t]);
+                       if (diffs++ >= 127) {
+                               command_print(CMD, "More than 128 errors, the rest are not printed.");
+                               break;
+                       }
+                       keep_alive();
+               }
+       }
+       free(buffer_flash);
+       free(buffer_file);
+
+       return differ ? ERROR_FAIL : ERROR_OK;
+}
+
+void flash_set_dirty(void)
+{
+       struct flash_bank *c;
+
+       /* set all flash to require erasing */
+       for (c = flash_bank_list(); c; c = c->next) {
+               for (unsigned int i = 0; i < c->num_sectors; i++)
+                       c->sectors[i].is_erased = 0;
+       }
+}
+
+COMMAND_HANDLER(handle_flash_padded_value_command)
 {
-       if (CMD_ARGC < 7)
+       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 (retval != ERROR_OK)
+               return retval;
+
+       COMMAND_PARSE_NUMBER(u8, CMD_ARGV[1], p->default_padded_value);
+
+       command_print(CMD, "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",
+               .handler = handle_flash_probe_command,
+               .mode = COMMAND_EXEC,
+               .usage = "bank_id",
+               .help = "Identify a flash bank.",
+       },
+       {
+               .name = "info",
+               .handler = handle_flash_info_command,
+               .mode = COMMAND_EXEC,
+               .usage = "bank_id ['sectors']",
+               .help = "Print information about a flash bank.",
+       },
+       {
+               .name = "erase_check",
+               .handler = handle_flash_erase_check_command,
+               .mode = COMMAND_EXEC,
+               .usage = "bank_id",
+               .help = "Check erase state of all blocks in a "
+                       "flash bank.",
+       },
+       {
+               .name = "erase_sector",
+               .handler = handle_flash_erase_command,
+               .mode = COMMAND_EXEC,
+               .usage = "bank_id first_sector_num (last_sector_num|'last')",
+               .help = "Erase a range of sectors in a flash bank.",
+       },
+       {
+               .name = "erase_address",
+               .handler = handle_flash_erase_address_command,
+               .mode = COMMAND_EXEC,
+               .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 = "filld",
+               .handler = handle_flash_fill_command,
+               .mode = COMMAND_EXEC,
+               .usage = "address value n",
+               .help = "Fill n double-words with 64-bit value, starting at "
+                       "word address.  (No autoerase.)",
+       },
        {
+               .name = "fillw",
+               .handler = handle_flash_fill_command,
+               .mode = COMMAND_EXEC,
+               .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,
+               .mode = COMMAND_EXEC,
+               .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,
+               .mode = COMMAND_EXEC,
+               .usage = "address value n",
+               .help = "Fill n bytes with 8-bit value, starting at "
+                       "word address.  (No autoerase.)",
+       },
+       {
+               .name = "mdb",
+               .handler = handle_flash_md_command,
+               .mode = COMMAND_EXEC,
+               .usage = "address [count]",
+               .help = "Display bytes from flash.",
+       },
+       {
+               .name = "mdh",
+               .handler = handle_flash_md_command,
+               .mode = COMMAND_EXEC,
+               .usage = "address [count]",
+               .help = "Display half-words from flash.",
+       },
+       {
+               .name = "mdw",
+               .handler = handle_flash_md_command,
+               .mode = COMMAND_EXEC,
+               .usage = "address [count]",
+               .help = "Display words from flash.",
+       },
+       {
+               .name = "write_bank",
+               .handler = handle_flash_write_bank_command,
+               .mode = COMMAND_EXEC,
+               .usage = "bank_id filename [offset]",
+               .help = "Write binary data from file to flash bank. Allow optional "
+                       "offset from beginning of the bank (defaults to zero).",
+       },
+       {
+               .name = "write_image",
+               .handler = handle_flash_write_image_command,
+               .mode = COMMAND_EXEC,
+               .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 = "verify_image",
+               .handler = handle_flash_verify_image_command,
+               .mode = COMMAND_EXEC,
+               .usage = "filename [offset [file_type]]",
+               .help = "Verify an image against flash. Allow optional "
+                       "offset from beginning of bank (defaults to zero)",
+       },
+       {
+               .name = "read_bank",
+               .handler = handle_flash_read_bank_command,
+               .mode = COMMAND_EXEC,
+               .usage = "bank_id filename [offset [length]]",
+               .help = "Read binary data from flash bank to file. Allow optional "
+                       "offset from beginning of the bank (defaults to zero).",
+       },
+       {
+               .name = "verify_bank",
+               .handler = handle_flash_verify_bank_command,
+               .mode = COMMAND_EXEC,
+               .usage = "bank_id filename [offset]",
+               .help = "Compare the contents of a file with the contents of the "
+                       "flash bank. Allow optional offset from beginning of the bank "
+                       "(defaults to zero).",
+       },
+       {
+               .name = "protect",
+               .handler = handle_flash_protect_command,
+               .mode = COMMAND_EXEC,
+               .usage = "bank_id first_block [last_block|'last'] "
+                       "('on'|'off')",
+               .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",
+               .handler = handle_flash_padded_value_command,
+               .mode = COMMAND_EXEC,
+               .usage = "bank_id value",
+               .help = "Set default flash padded value",
+       },
+       COMMAND_REGISTRATION_DONE
+};
+
+static int flash_init_drivers(struct command_context *cmd_ctx)
+{
+       if (!flash_bank_list())
+               return ERROR_OK;
+
+       return register_commands(cmd_ctx, "flash", flash_exec_command_handlers);
+}
+
+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
+       /* save bank name and advance arguments for compatibility */
        const char *bank_name = *CMD_ARGV++;
        CMD_ARGC--;
 
-       struct target *target;
-       if ((target = get_target(CMD_ARGV[5])) == NULL)
-       {
+       struct target *target = get_target(CMD_ARGV[5]);
+       if (!target) {
                LOG_ERROR("target '%s' not defined", CMD_ARGV[5]);
                return ERROR_FAIL;
        }
 
        const char *driver_name = CMD_ARGV[0];
-       for (unsigned i = 0; flash_drivers[i]; i++)
-       {
-               if (strcmp(driver_name, flash_drivers[i]->name) != 0)
-                       continue;
+       const struct flash_driver *driver = flash_driver_find_by_name(driver_name);
+       if (!driver) {
+               /* no matching flash driver found */
+               LOG_ERROR("flash driver '%s' not found", driver_name);
+               return ERROR_FAIL;
+       }
 
-               /* register flash specific commands */
-               if (NULL != flash_drivers[i]->commands)
-               {
-                       int retval = register_commands(CMD_CTX, NULL,
-                                       flash_drivers[i]->commands);
-                       if (ERROR_OK != retval)
-                       {
-                               LOG_ERROR("couldn't register '%s' commands",
-                                               driver_name);
-                               return ERROR_FAIL;
-                       }
-               }
+       /* check the flash bank name is unique */
+       if (get_flash_bank_by_name_noprobe(bank_name)) {
+               /* flash bank name already exists  */
+               LOG_ERROR("flash bank name '%s' already exists", bank_name);
+               return ERROR_FAIL;
+       }
 
-               struct flash_bank *p, *c;
-               c = malloc(sizeof(struct flash_bank));
-               c->name = strdup(bank_name);
-               c->target = target;
-               c->driver = flash_drivers[i];
-               c->driver_priv = NULL;
-               COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], c->base);
-               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->num_sectors = 0;
-               c->sectors = NULL;
-               c->next = NULL;
-
-               int retval;
-               retval = CALL_COMMAND_HANDLER(flash_drivers[i]->flash_bank_command, c);
-               if (ERROR_OK != retval)
-               {
-                       LOG_ERROR("'%s' driver rejected flash bank at 0x%8.8" PRIx32,
-                                       driver_name, c->base);
-                       free(c);
-                       return retval;
+       /* register flash specific commands */
+       if (driver->commands) {
+               int retval = register_commands(CMD_CTX, NULL, driver->commands);
+               if (retval != ERROR_OK) {
+                       LOG_ERROR("couldn't register '%s' commands",
+                               driver_name);
+                       return ERROR_FAIL;
                }
+       }
 
-               /* put flash bank in linked list */
-               if (flash_banks)
-               {
-                       int     bank_num = 0;
-                       /* find last flash bank */
-                       for (p = flash_banks; p && p->next; p = p->next) bank_num++;
-                       if (p)
-                               p->next = c;
-                       c->bank_number = bank_num + 1;
-               }
-               else
-               {
-                       flash_banks = c;
-                       c->bank_number = 0;
-               }
+       struct flash_bank *c = calloc(1, sizeof(*c));
+       c->name = strdup(bank_name);
+       c->target = target;
+       c->driver = driver;
+       COMMAND_PARSE_NUMBER(target_addr, CMD_ARGV[1], c->base);
+       COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], c->size);
+       COMMAND_PARSE_NUMBER(uint, CMD_ARGV[3], c->chip_width);
+       COMMAND_PARSE_NUMBER(uint, CMD_ARGV[4], c->bus_width);
+       c->default_padded_value = c->erased_value = 0xff;
+       c->minimal_write_gap = FLASH_WRITE_GAP_SECTOR;
 
-               return ERROR_OK;
+       int retval;
+       retval = CALL_COMMAND_HANDLER(driver->flash_bank_command, c);
+       if (retval != ERROR_OK) {
+               LOG_ERROR("'%s' driver rejected flash bank at " TARGET_ADDR_FMT
+                               "; usage: %s", driver_name, c->base, driver->usage);
+               free(c);
+               return retval;
        }
 
-       /* no matching flash driver found */
-       LOG_ERROR("flash driver '%s' not found", driver_name);
-       return ERROR_FAIL;
-}
+       if (!driver->usage)
+               LOG_DEBUG("'%s' driver usage field missing", driver_name);
 
+       flash_bank_add(c);
 
-static int jim_flash_banks(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
+       return ERROR_OK;
+}
+
+COMMAND_HANDLER(handle_flash_banks_command)
 {
-       struct flash_bank *p;
+       if (CMD_ARGC != 0)
+               return ERROR_COMMAND_SYNTAX_ERROR;
 
+       unsigned n = 0;
+       for (struct flash_bank *p = flash_bank_list(); p; p = p->next, n++) {
+               command_print(CMD, "#%d : %s (%s) at " TARGET_ADDR_FMT ", 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;
+}
+
+static int jim_flash_list(Jim_Interp *interp, int argc, Jim_Obj * const *argv)
+{
        if (argc != 1) {
-               Jim_WrongNumArgs(interp, 1, argv, "no arguments to flash_banks command");
+               Jim_WrongNumArgs(interp, 1, argv,
+                       "no arguments to 'flash list' command");
                return JIM_ERR;
        }
 
        Jim_Obj *list = Jim_NewListObj(interp, NULL, 0);
-       for (p = flash_banks; p; p = p->next)
-       {
+
+       for (struct flash_bank *p = flash_bank_list(); p; p = p->next) {
                Jim_Obj *elem = Jim_NewListObj(interp, NULL, 0);
 
                Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "name", -1));
+               Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, p->name, -1));
+               Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "driver", -1));
                Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, p->driver->name, -1));
                Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "base", -1));
                Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->base));
@@ -135,6 +1349,8 @@ static int jim_flash_banks(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
                Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->bus_width));
                Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "chip_width", -1));
                Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->chip_width));
+               Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "target", -1));
+               Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, target_name(p->target), -1));
 
                Jim_ListAppendElement(interp, list, elem);
        }
@@ -144,15 +1360,13 @@ static int jim_flash_banks(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
        return JIM_OK;
 }
 
-
 COMMAND_HANDLER(handle_flash_init_command)
 {
        if (CMD_ARGC != 0)
                return ERROR_COMMAND_SYNTAX_ERROR;
 
-       static bool flash_initialized = false;
-       if (flash_initialized)
-       {
+       static bool flash_initialized;
+       if (flash_initialized) {
                LOG_INFO("'flash init' has already been called");
                return ERROR_OK;
        }
@@ -165,10 +1379,10 @@ 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.",
@@ -176,14 +1390,22 @@ 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.",
+               .usage = "",
        },
        {
                .name = "banks",
                .mode = COMMAND_ANY,
-               .jim_handler = &jim_flash_banks,
-               .help = "return information about the flash banks",
+               .handler = handle_flash_banks_command,
+               .help = "Display table with information about flash banks.",
+               .usage = "",
+       },
+       {
+               .name = "list",
+               .mode = COMMAND_ANY,
+               .jim_handler = jim_flash_list,
+               .help = "Returns a list of details about the flash banks.",
        },
        COMMAND_REGISTRATION_DONE
 };
@@ -193,6 +1415,7 @@ static const struct command_registration flash_command_handlers[] = {
                .mode = COMMAND_ANY,
                .help = "NOR flash command group",
                .chain = flash_config_command_handlers,
+               .usage = "",
        },
        COMMAND_REGISTRATION_DONE
 };