- Fixes '[|]' whitespace
[fw/openocd] / src / flash / str9xpec.c
index 4d3093eefca25b80b6447395945919899b874559..14dfebca36c547e2b16ba0ac03df247e765a4a6f 100644 (file)
-/***************************************************************************\r
- *   Copyright (C) 2005 by Dominic Rath                                    *\r
- *   Dominic.Rath@gmx.de                                                   *\r
- *                                                                         *\r
- *   This program is free software; you can redistribute it and/or modify  *\r
- *   it under the terms of the GNU General Public License as published by  *\r
- *   the Free Software Foundation; either version 2 of the License, or     *\r
- *   (at your option) any later version.                                   *\r
- *                                                                         *\r
- *   This program is distributed in the hope that it will be useful,       *\r
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *\r
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *\r
- *   GNU General Public License for more details.                          *\r
- *                                                                         *\r
- *   You should have received a copy of the GNU General Public License     *\r
- *   along with this program; if not, write to the                         *\r
- *   Free Software Foundation, Inc.,                                       *\r
- *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *\r
- ***************************************************************************/\r
-#ifdef HAVE_CONFIG_H\r
-#include "config.h"\r
-#endif\r
-\r
-#include "replacements.h"\r
-\r
-#include "str9xpec.h"\r
-#include "flash.h"\r
-#include "target.h"\r
-#include "log.h"\r
-#include "armv4_5.h"\r
-#include "arm7_9_common.h"\r
-#include "jtag.h"\r
-#include "binarybuffer.h"\r
-\r
-#include <stdlib.h>\r
-#include <string.h>\r
-#include <unistd.h>\r
-#include <getopt.h>\r
-\r
-str9xpec_mem_layout_t mem_layout_str9pec[] = {\r
-       {0x00000000, 0x10000, 0},\r
-       {0x00010000, 0x10000, 1},\r
-       {0x00020000, 0x10000, 2},\r
-       {0x00030000, 0x10000, 3},\r
-       {0x00040000, 0x10000, 4},\r
-       {0x00050000, 0x10000, 5},\r
-       {0x00060000, 0x10000, 6},\r
-       {0x00070000, 0x10000, 7},\r
-       {0x00080000, 0x02000, 32},\r
-       {0x00082000, 0x02000, 33},\r
-       {0x00084000, 0x02000, 34},\r
-       {0x00086000, 0x02000, 35}\r
-};\r
-\r
-int str9xpec_register_commands(struct command_context_s *cmd_ctx);\r
-int str9xpec_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);\r
-int str9xpec_erase(struct flash_bank_s *bank, int first, int last);\r
-int str9xpec_protect(struct flash_bank_s *bank, int set, int first, int last);\r
-int str9xpec_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count);\r
-int str9xpec_probe(struct flash_bank_s *bank);\r
-int str9xpec_handle_part_id_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);\r
-int str9xpec_protect_check(struct flash_bank_s *bank);\r
-int str9xpec_erase_check(struct flash_bank_s *bank);\r
-int str9xpec_info(struct flash_bank_s *bank, char *buf, int buf_size);\r
-\r
-int str9xpec_erase_area(struct flash_bank_s *bank, int first, int last);\r
-int str9xpec_set_address(struct flash_bank_s *bank, u8 sector);\r
-int str9xpec_write_options(struct flash_bank_s *bank);\r
-\r
-int str9xpec_handle_flash_options_cmap_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);\r
-int str9xpec_handle_flash_options_lvdthd_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);\r
-int str9xpec_handle_flash_options_lvdsel_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);\r
-int str9xpec_handle_flash_options_lvdwarn_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);\r
-int str9xpec_handle_flash_options_read_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);\r
-int str9xpec_handle_flash_options_write_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);\r
-int str9xpec_handle_flash_lock_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);\r
-int str9xpec_handle_flash_unlock_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);\r
-int str9xpec_handle_flash_enable_turbo_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);\r
-int str9xpec_handle_flash_disable_turbo_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);\r
-\r
-flash_driver_t str9xpec_flash =\r
-{\r
-       .name = "str9xpec",\r
-       .register_commands = str9xpec_register_commands,\r
-       .flash_bank_command = str9xpec_flash_bank_command,\r
-       .erase = str9xpec_erase,\r
-       .protect = str9xpec_protect,\r
-       .write = str9xpec_write,\r
-       .probe = str9xpec_probe,\r
-       .auto_probe = str9xpec_probe,\r
-       .erase_check = str9xpec_erase_check,\r
-       .protect_check = str9xpec_protect_check,\r
-       .info = str9xpec_info\r
-};\r
-\r
-int str9xpec_register_commands(struct command_context_s *cmd_ctx)\r
-{\r
-       command_t *str9xpec_cmd = register_command(cmd_ctx, NULL, "str9xpec", NULL, COMMAND_ANY, "str9xpec flash specific commands");\r
-       \r
-       register_command(cmd_ctx, str9xpec_cmd, "enable_turbo", str9xpec_handle_flash_enable_turbo_command, COMMAND_EXEC,\r
-                                        "enable str9xpec turbo mode");\r
-       register_command(cmd_ctx, str9xpec_cmd, "disable_turbo", str9xpec_handle_flash_disable_turbo_command, COMMAND_EXEC,\r
-                                        "disable str9xpec turbo mode");\r
-       register_command(cmd_ctx, str9xpec_cmd, "options_cmap", str9xpec_handle_flash_options_cmap_command, COMMAND_EXEC,\r
-                                        "configure str9xpec boot sector");\r
-       register_command(cmd_ctx, str9xpec_cmd, "options_lvdthd", str9xpec_handle_flash_options_lvdthd_command, COMMAND_EXEC,\r
-                                        "configure str9xpec lvd threshold");\r
-       register_command(cmd_ctx, str9xpec_cmd, "options_lvdsel", str9xpec_handle_flash_options_lvdsel_command, COMMAND_EXEC,\r
-                                        "configure str9xpec lvd selection");\r
-       register_command(cmd_ctx, str9xpec_cmd, "options_lvdwarn", str9xpec_handle_flash_options_lvdwarn_command, COMMAND_EXEC,\r
-                                        "configure str9xpec lvd warning");\r
-       register_command(cmd_ctx, str9xpec_cmd, "options_read", str9xpec_handle_flash_options_read_command, COMMAND_EXEC,\r
-                                        "read str9xpec options");\r
-       register_command(cmd_ctx, str9xpec_cmd, "options_write", str9xpec_handle_flash_options_write_command, COMMAND_EXEC,\r
-                                        "write str9xpec options");\r
-       register_command(cmd_ctx, str9xpec_cmd, "lock", str9xpec_handle_flash_lock_command, COMMAND_EXEC,\r
-                                        "lock str9xpec device");\r
-       register_command(cmd_ctx, str9xpec_cmd, "unlock", str9xpec_handle_flash_unlock_command, COMMAND_EXEC,\r
-                                        "unlock str9xpec device");\r
-       register_command(cmd_ctx, str9xpec_cmd, "part_id", str9xpec_handle_part_id_command, COMMAND_EXEC,\r
-                                        "print part id of str9xpec flash bank <num>");\r
-       \r
-       return ERROR_OK;\r
-}\r
-\r
-int str9xpec_set_instr(int chain_pos, u32 new_instr, enum tap_state end_state)\r
-{\r
-       jtag_device_t *device = jtag_get_device(chain_pos);\r
-       \r
-       if (device == NULL)\r
-       {\r
-               DEBUG("Invalid Target");\r
-               return ERROR_TARGET_INVALID;\r
-       }\r
-               \r
-       if (buf_get_u32(device->cur_instr, 0, device->ir_length) != new_instr)\r
-       {\r
-               scan_field_t field;\r
-                               \r
-               field.device = chain_pos;\r
-               field.num_bits = device->ir_length;\r
-               field.out_value = calloc(CEIL(field.num_bits, 8), 1);\r
-               buf_set_u32(field.out_value, 0, field.num_bits, new_instr);\r
-               field.out_mask = NULL;\r
-               field.in_value = NULL;\r
-               field.in_check_value = NULL;\r
-               field.in_check_mask = NULL;\r
-               field.in_handler = NULL;\r
-               field.in_handler_priv = NULL;\r
-               \r
-               jtag_add_ir_scan(1, &field, end_state, NULL);\r
-               \r
-               free(field.out_value);\r
-       }\r
-       \r
-       return ERROR_OK;\r
-}\r
-\r
-u8 str9xpec_isc_status(int chain_pos)\r
-{\r
-       scan_field_t field;\r
-       u8 status;\r
-       \r
-       if (str9xpec_set_instr(chain_pos, ISC_NOOP, TAP_PI) != ERROR_OK)\r
-               return ISC_STATUS_ERROR;\r
-       \r
-       field.device = chain_pos;\r
-       field.num_bits = 8;\r
-       field.out_value = NULL;\r
-       field.out_mask = NULL;\r
-       field.in_value = &status;\r
-       field.in_check_value = NULL;\r
-       field.in_check_mask = NULL;\r
-       field.in_handler = NULL;\r
-       field.in_handler_priv = NULL;\r
-       \r
-       jtag_add_dr_scan(1, &field, TAP_RTI, NULL);\r
-       jtag_execute_queue();\r
-       \r
-       DEBUG("status: 0x%2.2x", status);\r
-       \r
-       if (status & ISC_STATUS_SECURITY)\r
-               INFO("Device Security Bit Set");\r
-       \r
-       return status;\r
-}\r
-\r
-int str9xpec_isc_enable(struct flash_bank_s *bank)\r
-{\r
-       u8 status;\r
-       u32 chain_pos;\r
-       str9xpec_flash_controller_t *str9xpec_info = bank->driver_priv;\r
-       \r
-       chain_pos = str9xpec_info->chain_pos;\r
-       \r
-       if (str9xpec_info->isc_enable)\r
-               return ERROR_OK;\r
-       \r
-       /* enter isc mode */\r
-       if (str9xpec_set_instr(chain_pos, ISC_ENABLE, TAP_RTI) != ERROR_OK)\r
-               return ERROR_TARGET_INVALID;\r
-       \r
-       /* check ISC status */\r
-       status = str9xpec_isc_status(chain_pos);\r
-       if (status & ISC_STATUS_MODE)\r
-       {\r
-               /* we have entered isc mode */\r
-               str9xpec_info->isc_enable = 1;\r
-               DEBUG("ISC_MODE Enabled");\r
-       }\r
-       \r
-       return ERROR_OK;\r
-}\r
-\r
-int str9xpec_isc_disable(struct flash_bank_s *bank)\r
-{\r
-       u8 status;\r
-       u32 chain_pos;\r
-       str9xpec_flash_controller_t *str9xpec_info = bank->driver_priv;\r
-       \r
-       chain_pos = str9xpec_info->chain_pos;\r
-       \r
-       if (!str9xpec_info->isc_enable)\r
-               return ERROR_OK;\r
-       \r
-       if (str9xpec_set_instr(chain_pos, ISC_DISABLE, TAP_RTI) != ERROR_OK)\r
-               return ERROR_TARGET_INVALID;\r
-       \r
-       /* delay to handle aborts */\r
-       jtag_add_sleep(50);\r
-       \r
-       /* check ISC status */\r
-       status = str9xpec_isc_status(chain_pos);\r
-       if (!(status & ISC_STATUS_MODE))\r
-       {\r
-               /* we have left isc mode */\r
-               str9xpec_info->isc_enable = 0;\r
-               DEBUG("ISC_MODE Disabled");\r
-       }\r
-       \r
-       return ERROR_OK;\r
-}\r
-\r
-int str9xpec_read_config(struct flash_bank_s *bank)\r
-{\r
-       scan_field_t field;\r
-       u8 status;\r
-       u32 chain_pos;\r
-               \r
-       str9xpec_flash_controller_t *str9xpec_info = bank->driver_priv;\r
-       \r
-       chain_pos = str9xpec_info->chain_pos;\r
-       \r
-       DEBUG("ISC_CONFIGURATION");\r
-       \r
-       /* execute ISC_CONFIGURATION command */\r
-       str9xpec_set_instr(chain_pos, ISC_CONFIGURATION, TAP_PI);\r
-       \r
-       field.device = chain_pos;\r
-       field.num_bits = 64;\r
-       field.out_value = NULL;\r
-       field.out_mask = NULL;\r
-       field.in_value = str9xpec_info->options;\r
-       field.in_check_value = NULL;\r
-       field.in_check_mask = NULL;\r
-       field.in_handler = NULL;\r
-       field.in_handler_priv = NULL;\r
-       \r
-       jtag_add_dr_scan(1, &field, TAP_RTI, NULL);\r
-       jtag_execute_queue();\r
-       \r
-       status = str9xpec_isc_status(chain_pos);\r
-       \r
-       return status;\r
-}\r
-\r
-int str9xpec_build_block_list(struct flash_bank_s *bank)\r
-{\r
-       str9xpec_flash_controller_t *str9xpec_info = bank->driver_priv;\r
-       \r
-       int i;\r
-       int num_sectors = 0, b0_sectors = 0;\r
-               \r
-       switch (bank->size)\r
-       {\r
-               case (256 * 1024):\r
-                       b0_sectors = 4;\r
-                       break;\r
-               case (512 * 1024):\r
-                       b0_sectors = 8;\r
-                       break;\r
-               default:\r
-                       ERROR("BUG: unknown bank->size encountered");\r
-                       exit(-1);\r
-       }\r
-       \r
-       /* include bank 1 sectors */\r
-       num_sectors = b0_sectors + 4;\r
-       bank->size += (32 * 1024);\r
-       \r
-       bank->num_sectors = num_sectors;\r
-       bank->sectors = malloc(sizeof(flash_sector_t) * num_sectors);\r
-       str9xpec_info->sector_bits = malloc(sizeof(u32) * num_sectors);\r
-       \r
-       num_sectors = 0;\r
-       \r
-       for (i = 0; i < b0_sectors; i++)\r
-       {\r
-               bank->sectors[num_sectors].offset = mem_layout_str9pec[i].sector_start;\r
-               bank->sectors[num_sectors].size = mem_layout_str9pec[i].sector_size;\r
-               bank->sectors[num_sectors].is_erased = -1;\r
-               bank->sectors[num_sectors].is_protected = 1;\r
-               str9xpec_info->sector_bits[num_sectors++] = mem_layout_str9pec[i].sector_bit;\r
-       }\r
-       \r
-       for (i = 8; i < 12; i++)\r
-       {\r
-               bank->sectors[num_sectors].offset = mem_layout_str9pec[i].sector_start;\r
-               bank->sectors[num_sectors].size = mem_layout_str9pec[i].sector_size;\r
-               bank->sectors[num_sectors].is_erased = -1;\r
-               bank->sectors[num_sectors].is_protected = 1;\r
-               str9xpec_info->sector_bits[num_sectors++] = mem_layout_str9pec[i].sector_bit;\r
-       }\r
-       \r
-       return ERROR_OK;\r
-}\r
-\r
-/* flash bank str9x <base> <size> 0 0 <target#>\r
- */\r
-int str9xpec_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank)\r
-{\r
-       str9xpec_flash_controller_t *str9xpec_info;\r
-       armv4_5_common_t *armv4_5 = NULL;\r
-       arm7_9_common_t *arm7_9 = NULL;\r
-       arm_jtag_t *jtag_info = NULL;\r
-       \r
-       if (argc < 6)\r
-       {\r
-               WARNING("incomplete flash_bank str9x configuration");\r
-               return ERROR_FLASH_BANK_INVALID;\r
-       }\r
-       \r
-       str9xpec_info = malloc(sizeof(str9xpec_flash_controller_t));\r
-       bank->driver_priv = str9xpec_info;\r
-       \r
-       if (bank->base != 0x00000000)\r
-       {\r
-               WARNING("overriding flash base address for STR91x device with 0x00000000");\r
-               bank->base = 0x00000000;\r
-       }\r
-\r
-       /* find out jtag position of flash controller\r
-        * it is always after the arm966 core */\r
-       \r
-       armv4_5 = bank->target->arch_info;\r
-       arm7_9 = armv4_5->arch_info;\r
-       jtag_info = &arm7_9->jtag_info;\r
-       \r
-       str9xpec_info->chain_pos = (jtag_info->chain_pos - 1);\r
-       str9xpec_info->isc_enable = 0;\r
-       str9xpec_info->devarm = NULL;\r
-       \r
-       str9xpec_build_block_list(bank);\r
-       \r
-       /* clear option byte register */\r
-       buf_set_u32(str9xpec_info->options, 0, 64, 0);\r
-       \r
-       return ERROR_OK;\r
-}\r
-\r
-int str9xpec_blank_check(struct flash_bank_s *bank, int first, int last)\r
-{\r
-       scan_field_t field;\r
-       u8 status;\r
-       u32 chain_pos;\r
-       int i;\r
-       u8 *buffer = NULL;\r
-               \r
-       str9xpec_flash_controller_t *str9xpec_info = bank->driver_priv;\r
-       \r
-       chain_pos = str9xpec_info->chain_pos;\r
-       \r
-       if (!str9xpec_info->isc_enable) {\r
-               str9xpec_isc_enable( bank );\r
-       }\r
-       \r
-       if (!str9xpec_info->isc_enable) {\r
-               return ERROR_FLASH_OPERATION_FAILED;\r
-       }\r
-       \r
-       buffer = calloc(CEIL(64, 8), 1);\r
-\r
-       DEBUG("blank check: first_bank: %i, last_bank: %i", first, last);\r
-       \r
-       for (i = first; i <= last; i++) {\r
-               buf_set_u32(buffer, str9xpec_info->sector_bits[i], 1, 1);\r
-       }\r
-       \r
-       /* execute ISC_BLANK_CHECK command */\r
-       str9xpec_set_instr(chain_pos, ISC_BLANK_CHECK, TAP_PI);\r
-       \r
-       field.device = chain_pos;\r
-       field.num_bits = 64;\r
-       field.out_value = buffer;\r
-       field.out_mask = NULL;\r
-       field.in_value = NULL;\r
-       field.in_check_value = NULL;\r
-       field.in_check_mask = NULL;\r
-       field.in_handler = NULL;\r
-       field.in_handler_priv = NULL;\r
-       \r
-       jtag_add_dr_scan(1, &field, TAP_RTI, NULL);\r
-       jtag_add_sleep(40000);\r
-       \r
-       /* read blank check result */\r
-       field.device = chain_pos;\r
-       field.num_bits = 64;\r
-       field.out_value = NULL;\r
-       field.out_mask = NULL;\r
-       field.in_value = buffer;\r
-       field.in_check_value = NULL;\r
-       field.in_check_mask = NULL;\r
-       field.in_handler = NULL;\r
-       field.in_handler_priv = NULL;\r
-       \r
-       jtag_add_dr_scan(1, &field, TAP_PI, NULL);\r
-       jtag_execute_queue();\r
-       \r
-       status = str9xpec_isc_status(chain_pos);\r
-       \r
-       for (i = first; i <= last; i++)\r
-       {\r
-               if (buf_get_u32(buffer, str9xpec_info->sector_bits[i], 1))\r
-                       bank->sectors[i].is_erased = 0;\r
-               else\r
-                       bank->sectors[i].is_erased = 1;\r
-       }\r
-       \r
-       free(buffer);\r
-       \r
-       str9xpec_isc_disable(bank);\r
-       \r
-       if ((status & ISC_STATUS_ERROR) != STR9XPEC_ISC_SUCCESS)\r
-               return ERROR_FLASH_OPERATION_FAILED; \r
-       return ERROR_OK;\r
-}\r
-\r
-int str9xpec_protect_check(struct flash_bank_s *bank)\r
-{\r
-       u8 status;\r
-       int i;\r
-               \r
-       str9xpec_flash_controller_t *str9xpec_info = bank->driver_priv;\r
-       \r
-       status = str9xpec_read_config(bank);\r
-       \r
-       for (i = 0; i < bank->num_sectors; i++)\r
-       {\r
-               if (buf_get_u32(str9xpec_info->options, str9xpec_info->sector_bits[i], 1))\r
-                       bank->sectors[i].is_protected = 1;\r
-               else\r
-                       bank->sectors[i].is_protected = 0;\r
-       }\r
-       \r
-       if ((status & ISC_STATUS_ERROR) != STR9XPEC_ISC_SUCCESS)\r
-               return ERROR_FLASH_OPERATION_FAILED;\r
-       return ERROR_OK;\r
-}\r
-\r
-int str9xpec_erase_area(struct flash_bank_s *bank, int first, int last)\r
-{\r
-       scan_field_t field;\r
-       u8 status;\r
-       u32 chain_pos;\r
-       int i;\r
-       u8 *buffer = NULL;\r
-       \r
-       str9xpec_flash_controller_t *str9xpec_info = bank->driver_priv;\r
-       \r
-       chain_pos = str9xpec_info->chain_pos;\r
-       \r
-       if (!str9xpec_info->isc_enable) {\r
-               str9xpec_isc_enable( bank );\r
-       }\r
-       \r
-       if (!str9xpec_info->isc_enable) {\r
-               return ISC_STATUS_ERROR;\r
-       }\r
-       \r
-       buffer = calloc(CEIL(64, 8), 1);\r
-       \r
-       DEBUG("erase: first_bank: %i, last_bank: %i", first, last);\r
-       \r
-       /* last bank: 0xFF signals a full erase (unlock complete device) */\r
-       /* last bank: 0xFE signals a option byte erase */\r
-       if (last == 0xFF)\r
-       {\r
-               for (i = 0; i < 64; i++) {\r
-                       buf_set_u32(buffer, i, 1, 1);\r
-               }       \r
-       }\r
-       else if (last == 0xFE)\r
-       {\r
-               buf_set_u32(buffer, 49, 1, 1);\r
-       }\r
-       else\r
-       {       \r
-               for (i = first; i <= last; i++) {\r
-                       buf_set_u32(buffer, str9xpec_info->sector_bits[i], 1, 1);\r
-               }\r
-       }\r
-       \r
-       DEBUG("ISC_ERASE");\r
-       \r
-       /* execute ISC_ERASE command */\r
-       str9xpec_set_instr(chain_pos, ISC_ERASE, TAP_PI);\r
-       \r
-       field.device = chain_pos;\r
-       field.num_bits = 64;\r
-       field.out_value = buffer;\r
-       field.out_mask = NULL;\r
-       field.in_value = NULL;\r
-       field.in_check_value = NULL;\r
-       field.in_check_mask = NULL;\r
-       field.in_handler = NULL;\r
-       field.in_handler_priv = NULL;\r
-       \r
-       jtag_add_dr_scan(1, &field, TAP_RTI, NULL);\r
-       jtag_execute_queue();\r
-       \r
-       jtag_add_sleep(10);\r
-       \r
-       /* wait for erase completion */\r
-       while (!((status = str9xpec_isc_status(chain_pos)) & ISC_STATUS_BUSY)) {\r
-               usleep(1000);\r
-       }\r
-       \r
-       free(buffer);\r
-       \r
-       str9xpec_isc_disable(bank);\r
-       \r
-       return status;\r
-}\r
-\r
-int str9xpec_erase(struct flash_bank_s *bank, int first, int last)\r
-{\r
-       int status;\r
-       \r
-       status = str9xpec_erase_area(bank, first, last);\r
-       \r
-       if ((status & ISC_STATUS_ERROR) != STR9XPEC_ISC_SUCCESS)\r
-               return ERROR_FLASH_OPERATION_FAILED;\r
-       \r
-       return ERROR_OK;\r
-}\r
-\r
-int str9xpec_lock_device(struct flash_bank_s *bank)\r
-{\r
-       scan_field_t field;\r
-       u8 status;\r
-       u32 chain_pos;\r
-       str9xpec_flash_controller_t *str9xpec_info = NULL;\r
-       \r
-       str9xpec_info = bank->driver_priv;\r
-       chain_pos = str9xpec_info->chain_pos;\r
-       \r
-       if (!str9xpec_info->isc_enable) {\r
-               str9xpec_isc_enable( bank );\r
-       }\r
-       \r
-       if (!str9xpec_info->isc_enable) {\r
-               return ISC_STATUS_ERROR;\r
-       }\r
-       \r
-       /* set security address */\r
-       str9xpec_set_address(bank, 0x80);\r
-       \r
-       /* execute ISC_PROGRAM command */\r
-       str9xpec_set_instr(chain_pos, ISC_PROGRAM_SECURITY, TAP_RTI);\r
-       \r
-       str9xpec_set_instr(chain_pos, ISC_NOOP, TAP_PI);\r
-       \r
-       do {\r
-               field.device = chain_pos;\r
-               field.num_bits = 8;\r
-               field.out_value = NULL;\r
-               field.out_mask = NULL;\r
-               field.in_value = &status;\r
-               field.in_check_value = NULL;\r
-               field.in_check_mask = NULL;\r
-               field.in_handler = NULL;\r
-               field.in_handler_priv = NULL;\r
-               \r
-               jtag_add_dr_scan(1, &field, -1, NULL);\r
-               jtag_execute_queue();\r
-               \r
-       } while(!(status & ISC_STATUS_BUSY));\r
-       \r
-       str9xpec_isc_disable(bank);\r
-       \r
-       return status;\r
-}\r
-\r
-int str9xpec_unlock_device(struct flash_bank_s *bank)\r
-{\r
-       u8 status;\r
-       \r
-       status = str9xpec_erase_area(bank, 0, 255);\r
-       \r
-       return status;\r
-}\r
-\r
-int str9xpec_protect(struct flash_bank_s *bank, int set, int first, int last)\r
-{\r
-       u8 status;\r
-       int i;\r
-       \r
-       str9xpec_flash_controller_t *str9xpec_info = bank->driver_priv;\r
-       \r
-       status = str9xpec_read_config(bank);\r
-       \r
-       if ((status & ISC_STATUS_ERROR) != STR9XPEC_ISC_SUCCESS)\r
-               return ERROR_FLASH_OPERATION_FAILED;\r
-\r
-       DEBUG("protect: first_bank: %i, last_bank: %i", first, last);\r
-       \r
-       /* last bank: 0xFF signals a full device protect */\r
-       if (last == 0xFF)\r
-       {\r
-               if( set )\r
-               {\r
-                       status = str9xpec_lock_device(bank);\r
-               }\r
-               else\r
-               {\r
-                       /* perform full erase to unlock device */\r
-                       status = str9xpec_unlock_device(bank);\r
-               }\r
-       }\r
-       else\r
-       {       \r
-               for (i = first; i <= last; i++)\r
-               {\r
-                       if( set )\r
-                               buf_set_u32(str9xpec_info->options, str9xpec_info->sector_bits[i], 1, 1);\r
-                       else\r
-                               buf_set_u32(str9xpec_info->options, str9xpec_info->sector_bits[i], 1, 0);\r
-               }\r
-               \r
-               status = str9xpec_write_options(bank);\r
-       }\r
-       \r
-       if ((status & ISC_STATUS_ERROR) != STR9XPEC_ISC_SUCCESS)\r
-               return ERROR_FLASH_OPERATION_FAILED;\r
-       \r
-       return ERROR_OK;\r
-}\r
-\r
-int str9xpec_set_address(struct flash_bank_s *bank, u8 sector)\r
-{\r
-       u32 chain_pos;\r
-       scan_field_t field;\r
-       str9xpec_flash_controller_t *str9xpec_info = bank->driver_priv;\r
-       \r
-       chain_pos = str9xpec_info->chain_pos;\r
-       \r
-       /* set flash controller address */\r
-       str9xpec_set_instr(chain_pos, ISC_ADDRESS_SHIFT, TAP_PI);\r
-       \r
-       field.device = chain_pos;\r
-       field.num_bits = 8;\r
-       field.out_value = &sector;\r
-       field.out_mask = NULL;\r
-       field.in_value = NULL;\r
-       field.in_check_value = NULL;\r
-       field.in_check_mask = NULL;\r
-       field.in_handler = NULL;\r
-       field.in_handler_priv = NULL;\r
-       \r
-       jtag_add_dr_scan(1, &field, -1, NULL);\r
-               \r
-       return ERROR_OK;\r
-}\r
-\r
-int str9xpec_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)\r
-{\r
-       str9xpec_flash_controller_t *str9xpec_info = bank->driver_priv;\r
-       u32 dwords_remaining = (count / 8);\r
-       u32 bytes_remaining = (count & 0x00000007);\r
-       u32 bytes_written = 0;\r
-       u8 status;\r
-       u32 check_address = offset;\r
-       u32 chain_pos;\r
-       scan_field_t field;\r
-       u8 *scanbuf;\r
-       int i;\r
-       u32 first_sector = 0;\r
-       u32 last_sector = 0;\r
-       \r
-       chain_pos = str9xpec_info->chain_pos;\r
-       \r
-       if (!str9xpec_info->isc_enable) {\r
-               str9xpec_isc_enable(bank);\r
-       }\r
-       \r
-       if (!str9xpec_info->isc_enable) {\r
-               return ERROR_FLASH_OPERATION_FAILED;\r
-       }\r
-       \r
-       if (offset & 0x7)\r
-       {\r
-               WARNING("offset 0x%x breaks required 8-byte alignment", offset);\r
-               return ERROR_FLASH_DST_BREAKS_ALIGNMENT;\r
-       }\r
-       \r
-       for (i = 0; i < bank->num_sectors; i++)\r
-       {\r
-               u32 sec_start = bank->sectors[i].offset;\r
-               u32 sec_end = sec_start + bank->sectors[i].size;\r
-               \r
-               /* check if destination falls within the current sector */\r
-               if ((check_address >= sec_start) && (check_address < sec_end))\r
-               {\r
-                       /* check if destination ends in the current sector */\r
-                       if (offset + count < sec_end)\r
-                               check_address = offset + count;\r
-                       else\r
-                               check_address = sec_end;\r
-               }\r
-               \r
-               if ((offset >= sec_start) && (offset < sec_end)){\r
-                       first_sector = i;\r
-               }\r
-               \r
-               if ((offset + count >= sec_start) && (offset + count < sec_end)){\r
-                       last_sector = i;\r
-               }\r
-       }\r
-       \r
-       if (check_address != offset + count)\r
-               return ERROR_FLASH_DST_OUT_OF_BANK;\r
-\r
-       DEBUG("first_sector: %i, last_sector: %i", first_sector, last_sector);\r
-       \r
-       scanbuf = calloc(CEIL(64, 8), 1);\r
-       \r
-       DEBUG("ISC_PROGRAM");\r
-       \r
-       for (i = first_sector; i <= last_sector; i++)\r
-       {\r
-               str9xpec_set_address(bank, str9xpec_info->sector_bits[i]);\r
-               \r
-               dwords_remaining = dwords_remaining < (bank->sectors[i].size/8) ? dwords_remaining : (bank->sectors[i].size/8);\r
-\r
-               while (dwords_remaining > 0)\r
-               {       \r
-                       str9xpec_set_instr(chain_pos, ISC_PROGRAM, TAP_PI);\r
-                       \r
-                       field.device = chain_pos;\r
-                       field.num_bits = 64;\r
-                       field.out_value = (buffer + bytes_written);\r
-                       field.out_mask = NULL;\r
-                       field.in_value = NULL;\r
-                       field.in_check_value = NULL;\r
-                       field.in_check_mask = NULL;\r
-                       field.in_handler = NULL;\r
-                       field.in_handler_priv = NULL;\r
-                       \r
-                       jtag_add_dr_scan(1, &field, TAP_RTI, NULL);\r
-                       \r
-                       /* small delay before polling */\r
-                       jtag_add_sleep(50);\r
-                       \r
-                       str9xpec_set_instr(chain_pos, ISC_NOOP, TAP_PI);\r
-                       \r
-                       do {\r
-                               field.device = chain_pos;\r
-                               field.num_bits = 8;\r
-                               field.out_value = NULL;\r
-                               field.out_mask = NULL;\r
-                               field.in_value = scanbuf;\r
-                               field.in_check_value = NULL;\r
-                               field.in_check_mask = NULL;\r
-                               field.in_handler = NULL;\r
-                               field.in_handler_priv = NULL;\r
-                               \r
-                               jtag_add_dr_scan(1, &field, -1, NULL);\r
-                               jtag_execute_queue();\r
-                               \r
-                               status = buf_get_u32(scanbuf, 0, 8);\r
-                               \r
-                       } while(!(status & ISC_STATUS_BUSY));\r
-                       \r
-                       if ((status & ISC_STATUS_ERROR) != STR9XPEC_ISC_SUCCESS)\r
-                               return ERROR_FLASH_OPERATION_FAILED;\r
-                       \r
-                       //if ((status & ISC_STATUS_INT_ERROR) != STR9XPEC_ISC_INTFAIL)\r
-                       //      return ERROR_FLASH_OPERATION_FAILED;\r
-               \r
-                       dwords_remaining--;\r
-                       bytes_written += 8;\r
-               }\r
-       }\r
-       \r
-       if (bytes_remaining)\r
-       {\r
-               u8 last_dword[8] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};\r
-               int i = 0;\r
-                               \r
-               while(bytes_remaining > 0)\r
-               {\r
-                       last_dword[i++] = *(buffer + bytes_written); \r
-                       bytes_remaining--;\r
-                       bytes_written++;\r
-               }\r
-               \r
-               str9xpec_set_instr(chain_pos, ISC_PROGRAM, TAP_PI);\r
-               \r
-               field.device = chain_pos;\r
-               field.num_bits = 64;\r
-               field.out_value = last_dword;\r
-               field.out_mask = NULL;\r
-               field.in_value = NULL;\r
-               field.in_check_value = NULL;\r
-               field.in_check_mask = NULL;\r
-               field.in_handler = NULL;\r
-               field.in_handler_priv = NULL;\r
-               \r
-               jtag_add_dr_scan(1, &field, TAP_RTI, NULL);\r
-               \r
-               /* small delay before polling */\r
-               jtag_add_sleep(50);\r
-               \r
-               str9xpec_set_instr(chain_pos, ISC_NOOP, TAP_PI);\r
-               \r
-               do {\r
-                       field.device = chain_pos;\r
-                       field.num_bits = 8;\r
-                       field.out_value = NULL;\r
-                       field.out_mask = NULL;\r
-                       field.in_value = scanbuf;\r
-                       field.in_check_value = NULL;\r
-                       field.in_check_mask = NULL;\r
-                       field.in_handler = NULL;\r
-                       field.in_handler_priv = NULL;\r
-                       \r
-                       jtag_add_dr_scan(1, &field, -1, NULL);\r
-                       jtag_execute_queue();\r
-                       \r
-                       status = buf_get_u32(scanbuf, 0, 8);\r
-                       \r
-               } while(!(status & ISC_STATUS_BUSY));\r
-               \r
-               if ((status & ISC_STATUS_ERROR) != STR9XPEC_ISC_SUCCESS)\r
-                       return ERROR_FLASH_OPERATION_FAILED;\r
-               \r
-               //if ((status & ISC_STATUS_INT_ERROR) != STR9XPEC_ISC_INTFAIL)\r
-               //      return ERROR_FLASH_OPERATION_FAILED;\r
-       }\r
-\r
-       free(scanbuf);\r
-\r
-       str9xpec_isc_disable(bank);\r
-                               \r
-       return ERROR_OK;\r
-}\r
-\r
-int str9xpec_probe(struct flash_bank_s *bank)\r
-{\r
-       return ERROR_OK;\r
-}\r
-\r
-int str9xpec_handle_part_id_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
-{\r
-       flash_bank_t *bank;\r
-       scan_field_t field;\r
-       u8 *buffer = NULL;\r
-       u32 chain_pos;\r
-       u32 idcode;\r
-       str9xpec_flash_controller_t *str9xpec_info = NULL;\r
-\r
-       if (argc < 1)\r
-       {\r
-               return ERROR_COMMAND_SYNTAX_ERROR;\r
-       }\r
-       \r
-       bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));\r
-       if (!bank)\r
-       {\r
-               command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);\r
-               return ERROR_OK;\r
-       }\r
-       \r
-       str9xpec_info = bank->driver_priv;\r
-       chain_pos = str9xpec_info->chain_pos;\r
-       \r
-       buffer = calloc(CEIL(32, 8), 1);\r
-       \r
-       str9xpec_set_instr(chain_pos, ISC_IDCODE, TAP_PI);\r
-       \r
-       field.device = chain_pos;\r
-       field.num_bits = 32;\r
-       field.out_value = NULL;\r
-       field.out_mask = NULL;\r
-       field.in_value = buffer;\r
-       field.in_check_value = NULL;\r
-       field.in_check_mask = NULL;\r
-       field.in_handler = NULL;\r
-       field.in_handler_priv = NULL;\r
-       \r
-       jtag_add_dr_scan(1, &field, TAP_RTI, NULL);\r
-       jtag_execute_queue();\r
-       \r
-       idcode = buf_get_u32(buffer, 0, 32);\r
-       \r
-       command_print(cmd_ctx, "str9xpec part id: 0x%8.8x", idcode);\r
-       \r
-       free(buffer);\r
-       \r
-       return ERROR_OK;\r
-}\r
-\r
-int str9xpec_erase_check(struct flash_bank_s *bank)\r
-{\r
-       return str9xpec_blank_check(bank, 0, bank->num_sectors - 1);\r
-}\r
-\r
-int str9xpec_info(struct flash_bank_s *bank, char *buf, int buf_size)\r
-{\r
-       snprintf(buf, buf_size, "str9xpec flash driver info" );\r
-       return ERROR_OK;\r
-}\r
-\r
-int str9xpec_handle_flash_options_read_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
-{\r
-       flash_bank_t *bank;\r
-       u8 status;\r
-       str9xpec_flash_controller_t *str9xpec_info = NULL;\r
-       \r
-       if (argc < 1)\r
-       {\r
-               command_print(cmd_ctx, "str9xpec options_read <bank>");\r
-               return ERROR_OK;        \r
-       }\r
-       \r
-       bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));\r
-       if (!bank)\r
-       {\r
-               command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);\r
-               return ERROR_OK;\r
-       }\r
-       \r
-       str9xpec_info = bank->driver_priv;\r
-       \r
-       status = str9xpec_read_config(bank);\r
-       \r
-       if ((status & ISC_STATUS_ERROR) != STR9XPEC_ISC_SUCCESS)\r
-               return ERROR_FLASH_OPERATION_FAILED;\r
-       \r
-       /* boot bank */\r
-       if (buf_get_u32(str9xpec_info->options, STR9XPEC_OPT_CSMAPBIT, 1))\r
-               command_print(cmd_ctx, "CS Map: bank1");\r
-       else\r
-               command_print(cmd_ctx, "CS Map: bank0");\r
-       \r
-       /* OTP lock */\r
-       if (buf_get_u32(str9xpec_info->options, STR9XPEC_OPT_OTPBIT, 1))\r
-               command_print(cmd_ctx, "OTP Lock: OTP Locked");\r
-       else\r
-               command_print(cmd_ctx, "OTP Lock: OTP Unlocked");\r
-       \r
-       /* LVD Threshold */\r
-       if (buf_get_u32(str9xpec_info->options, STR9XPEC_OPT_LVDTHRESBIT, 1))\r
-               command_print(cmd_ctx, "LVD Threshold: 2.7v");\r
-       else\r
-               command_print(cmd_ctx, "LVD Threshold: 2.4v");\r
-       \r
-       /* LVD reset warning */\r
-       if (buf_get_u32(str9xpec_info->options, STR9XPEC_OPT_LVDWARNBIT, 1))\r
-               command_print(cmd_ctx, "LVD Reset Warning: VDD or VDDQ Inputs");\r
-       else\r
-               command_print(cmd_ctx, "LVD Reset Warning: VDD Input Only");\r
-       \r
-       /* LVD reset select */\r
-       if (buf_get_u32(str9xpec_info->options, STR9XPEC_OPT_LVDSELBIT, 1))\r
-               command_print(cmd_ctx, "LVD Reset Selection: VDD or VDDQ Inputs");\r
-       else\r
-               command_print(cmd_ctx, "LVD Reset Selection: VDD Input Only");\r
-       \r
-       return ERROR_OK;\r
-}\r
-\r
-int str9xpec_write_options(struct flash_bank_s *bank)\r
-{\r
-       scan_field_t field;\r
-       u8 status;\r
-       u32 chain_pos;\r
-       str9xpec_flash_controller_t *str9xpec_info = NULL;\r
-       \r
-       str9xpec_info = bank->driver_priv;\r
-       chain_pos = str9xpec_info->chain_pos;\r
-       \r
-       /* erase config options first */\r
-       status = str9xpec_erase_area( bank, 0xFE, 0xFE );\r
-       \r
-       if ((status & ISC_STATUS_ERROR) != STR9XPEC_ISC_SUCCESS)\r
-               return status; \r
-       \r
-       if (!str9xpec_info->isc_enable) {\r
-               str9xpec_isc_enable( bank );\r
-       }\r
-       \r
-       if (!str9xpec_info->isc_enable) {\r
-               return ISC_STATUS_ERROR;\r
-       }\r
-       \r
-       /* according to data 64th bit has to be set */\r
-       buf_set_u32(str9xpec_info->options, 63, 1, 1);\r
-       \r
-       /* set option byte address */\r
-       str9xpec_set_address(bank, 0x50);\r
-       \r
-       /* execute ISC_PROGRAM command */\r
-       str9xpec_set_instr(chain_pos, ISC_PROGRAM, TAP_PI);\r
-               \r
-       field.device = chain_pos;\r
-       field.num_bits = 64;\r
-       field.out_value = str9xpec_info->options;\r
-       field.out_mask = NULL;\r
-       field.in_value = NULL;\r
-       field.in_check_value = NULL;\r
-       field.in_check_mask = NULL;\r
-       field.in_handler = NULL;\r
-       field.in_handler_priv = NULL;\r
-       \r
-       jtag_add_dr_scan(1, &field, TAP_RTI, NULL);\r
-       \r
-       /* small delay before polling */\r
-       jtag_add_sleep(50);\r
-       \r
-       str9xpec_set_instr(chain_pos, ISC_NOOP, TAP_PI);\r
-       \r
-       do {\r
-               field.device = chain_pos;\r
-               field.num_bits = 8;\r
-               field.out_value = NULL;\r
-               field.out_mask = NULL;\r
-               field.in_value = &status;\r
-               field.in_check_value = NULL;\r
-               field.in_check_mask = NULL;\r
-               field.in_handler = NULL;\r
-               field.in_handler_priv = NULL;\r
-               \r
-               jtag_add_dr_scan(1, &field, -1, NULL);\r
-               jtag_execute_queue();\r
-               \r
-       } while(!(status & ISC_STATUS_BUSY));\r
-       \r
-       str9xpec_isc_disable(bank);\r
-       \r
-       return status;\r
-}\r
-\r
-int str9xpec_handle_flash_options_write_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
-{\r
-       flash_bank_t *bank;\r
-       u8 status;\r
-       \r
-       if (argc < 1)\r
-       {\r
-               command_print(cmd_ctx, "str9xpec options_write <bank>");\r
-               return ERROR_OK;        \r
-       }\r
-       \r
-       bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));\r
-       if (!bank)\r
-       {\r
-               command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);\r
-               return ERROR_OK;\r
-       }\r
-       \r
-       status = str9xpec_write_options(bank);\r
-       \r
-       if ((status & ISC_STATUS_ERROR) != STR9XPEC_ISC_SUCCESS)\r
-               return ERROR_FLASH_OPERATION_FAILED;\r
-       \r
-       return ERROR_OK;\r
-}\r
-\r
-int str9xpec_handle_flash_options_cmap_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
-{\r
-       flash_bank_t *bank;\r
-       str9xpec_flash_controller_t *str9xpec_info = NULL;\r
-       \r
-       if (argc < 2)\r
-       {\r
-               command_print(cmd_ctx, "str9xpec options_cmap <bank> <bank0|bank1>");\r
-               return ERROR_OK;        \r
-       }\r
-       \r
-       bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));\r
-       if (!bank)\r
-       {\r
-               command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);\r
-               return ERROR_OK;\r
-       }\r
-       \r
-       str9xpec_info = bank->driver_priv;\r
-       \r
-       if (strcmp(args[1], "bank1") == 0)\r
-       {\r
-               buf_set_u32(str9xpec_info->options, STR9XPEC_OPT_CSMAPBIT, 1, 1);\r
-       }\r
-       else\r
-       {\r
-               buf_set_u32(str9xpec_info->options, STR9XPEC_OPT_CSMAPBIT, 1, 0);\r
-       }\r
-       \r
-       return ERROR_OK;\r
-}\r
-\r
-int str9xpec_handle_flash_options_lvdthd_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
-{\r
-       flash_bank_t *bank;\r
-       str9xpec_flash_controller_t *str9xpec_info = NULL;\r
-       \r
-       if (argc < 2)\r
-       {\r
-               command_print(cmd_ctx, "str9xpec options_lvdthd <bank> <2.4v|2.7v>");\r
-               return ERROR_OK;        \r
-       }\r
-       \r
-       bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));\r
-       if (!bank)\r
-       {\r
-               command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);\r
-               return ERROR_OK;\r
-       }\r
-       \r
-       str9xpec_info = bank->driver_priv;\r
-       \r
-       if (strcmp(args[1], "2.7v") == 0)\r
-       {\r
-               buf_set_u32(str9xpec_info->options, STR9XPEC_OPT_LVDTHRESBIT, 1, 1);\r
-       }\r
-       else\r
-       {\r
-               buf_set_u32(str9xpec_info->options, STR9XPEC_OPT_LVDTHRESBIT, 1, 0);\r
-       }\r
-       \r
-       return ERROR_OK;\r
-}\r
-\r
-int str9xpec_handle_flash_options_lvdsel_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
-{\r
-       flash_bank_t *bank;\r
-       str9xpec_flash_controller_t *str9xpec_info = NULL;\r
-       \r
-       if (argc < 2)\r
-       {\r
-               command_print(cmd_ctx, "str9xpec options_lvdsel <bank> <vdd|vdd_vddq>");\r
-               return ERROR_OK;        \r
-       }\r
-       \r
-       bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));\r
-       if (!bank)\r
-       {\r
-               command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);\r
-               return ERROR_OK;\r
-       }\r
-       \r
-       str9xpec_info = bank->driver_priv;\r
-       \r
-       if (strcmp(args[1], "vdd_vddq") == 0)\r
-       {\r
-               buf_set_u32(str9xpec_info->options, STR9XPEC_OPT_LVDSELBIT, 1, 1);\r
-       }\r
-       else\r
-       {\r
-               buf_set_u32(str9xpec_info->options, STR9XPEC_OPT_LVDSELBIT, 1, 0);\r
-       }\r
-       \r
-       return ERROR_OK;\r
-}\r
-\r
-int str9xpec_handle_flash_options_lvdwarn_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
-{\r
-       flash_bank_t *bank;\r
-       str9xpec_flash_controller_t *str9xpec_info = NULL;\r
-       \r
-       if (argc < 2)\r
-       {\r
-               command_print(cmd_ctx, "str9xpec options_lvdwarn <bank> <vdd|vdd_vddq>");\r
-               return ERROR_OK;        \r
-       }\r
-       \r
-       bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));\r
-       if (!bank)\r
-       {\r
-               command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);\r
-               return ERROR_OK;\r
-       }\r
-       \r
-       str9xpec_info = bank->driver_priv;\r
-       \r
-       if (strcmp(args[1], "vdd_vddq") == 0)\r
-       {\r
-               buf_set_u32(str9xpec_info->options, STR9XPEC_OPT_LVDWARNBIT, 1, 1);\r
-       }\r
-       else\r
-       {\r
-               buf_set_u32(str9xpec_info->options, STR9XPEC_OPT_LVDWARNBIT, 1, 0);\r
-       }\r
-       \r
-       return ERROR_OK;\r
-}\r
-\r
-int str9xpec_handle_flash_lock_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
-{\r
-       u8 status;\r
-       flash_bank_t *bank;\r
-       \r
-       if (argc < 1)\r
-       {\r
-               command_print(cmd_ctx, "str9xpec lock <bank>");\r
-               return ERROR_OK;        \r
-       }\r
-       \r
-       bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));\r
-       if (!bank)\r
-       {\r
-               command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);\r
-               return ERROR_OK;\r
-       }\r
-       \r
-       status = str9xpec_lock_device(bank);\r
-       \r
-       if ((status & ISC_STATUS_ERROR) != STR9XPEC_ISC_SUCCESS)\r
-               return ERROR_FLASH_OPERATION_FAILED;\r
-       \r
-       return ERROR_OK;\r
-}\r
-\r
-int str9xpec_handle_flash_unlock_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
-{\r
-       u8 status;\r
-       flash_bank_t *bank;\r
-       \r
-       if (argc < 1)\r
-       {\r
-               command_print(cmd_ctx, "str9xpec unlock <bank>");\r
-               return ERROR_OK;        \r
-       }\r
-       \r
-       bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));\r
-       if (!bank)\r
-       {\r
-               command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);\r
-               return ERROR_OK;\r
-       }\r
-       \r
-       status = str9xpec_unlock_device(bank);\r
-       \r
-       if ((status & ISC_STATUS_ERROR) != STR9XPEC_ISC_SUCCESS)\r
-               return ERROR_FLASH_OPERATION_FAILED;\r
-       \r
-       return ERROR_OK;\r
-}\r
-\r
-int str9xpec_handle_flash_enable_turbo_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
-{\r
-       flash_bank_t *bank;\r
-       u32 chain_pos;\r
-       jtag_device_t* dev0;\r
-       jtag_device_t* dev2;\r
-       str9xpec_flash_controller_t *str9xpec_info = NULL;\r
-       \r
-       if (argc < 1)\r
-       {\r
-               command_print(cmd_ctx, "str9xpec enable_turbo <bank>");\r
-               return ERROR_OK;        \r
-       }\r
-       \r
-       bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));\r
-       if (!bank)\r
-       {\r
-               command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);\r
-               return ERROR_OK;\r
-       }\r
-       \r
-       str9xpec_info = bank->driver_priv;\r
-       \r
-       chain_pos = str9xpec_info->chain_pos;\r
-       \r
-       /* remove arm core from chain - enter turbo mode */\r
-       \r
-       str9xpec_set_instr(chain_pos+2, 0xD, TAP_RTI);\r
-       jtag_execute_queue();\r
-       \r
-       /* modify scan chain - str9 core has been removed */\r
-       dev0 = jtag_get_device(chain_pos);\r
-       str9xpec_info->devarm = jtag_get_device(chain_pos+1);\r
-       dev2 = jtag_get_device(chain_pos+2);\r
-       dev0->next = dev2;\r
-       jtag_num_devices--;\r
-       \r
-       return ERROR_OK;\r
-}\r
-\r
-int str9xpec_handle_flash_disable_turbo_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
-{\r
-       flash_bank_t *bank;\r
-       u32 chain_pos;\r
-       jtag_device_t* dev0;\r
-       str9xpec_flash_controller_t *str9xpec_info = NULL;\r
-       \r
-       if (argc < 1)\r
-       {\r
-               command_print(cmd_ctx, "str9xpec disable_turbo <bank>");\r
-               return ERROR_OK;        \r
-       }\r
-       \r
-       bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));\r
-       if (!bank)\r
-       {\r
-               command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);\r
-               return ERROR_OK;\r
-       }\r
-       \r
-       str9xpec_info = bank->driver_priv;\r
-       \r
-       chain_pos = str9xpec_info->chain_pos;\r
-       \r
-       dev0 = jtag_get_device(chain_pos);\r
-       \r
-       /* exit turbo mode via TLR */\r
-       str9xpec_set_instr(chain_pos, ISC_NOOP, TAP_TLR);\r
-       jtag_execute_queue();\r
-       \r
-       /* restore previous scan chain */\r
-       if( str9xpec_info->devarm ) {\r
-               dev0->next = str9xpec_info->devarm;\r
-               jtag_num_devices++;\r
-               str9xpec_info->devarm = NULL;\r
-       }\r
-       \r
-       return ERROR_OK;\r
-}\r
+/***************************************************************************
+ *   Copyright (C) 2005 by Dominic Rath                                    *
+ *   Dominic.Rath@gmx.de                                                   *
+ *                                                                         *
+ *   Copyright (C) 2008 by Spencer Oliver                                  *
+ *   spen@spen-soft.co.uk                                                  *
+ *                                                                         *
+ *   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.             *
+ ***************************************************************************/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "str9xpec.h"
+#include "arm7_9_common.h"
+
+
+static int str9xpec_register_commands(struct command_context_s *cmd_ctx);
+static int str9xpec_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);
+static int str9xpec_erase(struct flash_bank_s *bank, int first, int last);
+static int str9xpec_protect(struct flash_bank_s *bank, int set, int first, int last);
+static int str9xpec_write(struct flash_bank_s *bank, uint8_t *buffer, uint32_t offset, uint32_t count);
+static int str9xpec_probe(struct flash_bank_s *bank);
+static int str9xpec_handle_part_id_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+static int str9xpec_protect_check(struct flash_bank_s *bank);
+static int str9xpec_erase_check(struct flash_bank_s *bank);
+static int str9xpec_info(struct flash_bank_s *bank, char *buf, int buf_size);
+
+static int str9xpec_erase_area(struct flash_bank_s *bank, int first, int last);
+static int str9xpec_set_address(struct flash_bank_s *bank, uint8_t sector);
+static int str9xpec_write_options(struct flash_bank_s *bank);
+
+static int str9xpec_handle_flash_options_cmap_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+static int str9xpec_handle_flash_options_lvdthd_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+static int str9xpec_handle_flash_options_lvdsel_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+static int str9xpec_handle_flash_options_lvdwarn_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+static int str9xpec_handle_flash_options_read_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+static int str9xpec_handle_flash_options_write_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+static int str9xpec_handle_flash_lock_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+static int str9xpec_handle_flash_unlock_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+static int str9xpec_handle_flash_enable_turbo_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+static int str9xpec_handle_flash_disable_turbo_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+
+flash_driver_t str9xpec_flash =
+{
+       .name = "str9xpec",
+       .register_commands = str9xpec_register_commands,
+       .flash_bank_command = str9xpec_flash_bank_command,
+       .erase = str9xpec_erase,
+       .protect = str9xpec_protect,
+       .write = str9xpec_write,
+       .probe = str9xpec_probe,
+       .auto_probe = str9xpec_probe,
+       .erase_check = str9xpec_erase_check,
+       .protect_check = str9xpec_protect_check,
+       .info = str9xpec_info
+};
+
+static int str9xpec_register_commands(struct command_context_s *cmd_ctx)
+{
+       command_t *str9xpec_cmd = register_command(cmd_ctx, NULL, "str9xpec", NULL, COMMAND_ANY, "str9xpec flash specific commands");
+
+       register_command(cmd_ctx, str9xpec_cmd, "enable_turbo", str9xpec_handle_flash_enable_turbo_command, COMMAND_EXEC,
+                                        "enable str9xpec turbo mode");
+       register_command(cmd_ctx, str9xpec_cmd, "disable_turbo", str9xpec_handle_flash_disable_turbo_command, COMMAND_EXEC,
+                                        "disable str9xpec turbo mode");
+       register_command(cmd_ctx, str9xpec_cmd, "options_cmap", str9xpec_handle_flash_options_cmap_command, COMMAND_EXEC,
+                                        "configure str9xpec boot sector");
+       register_command(cmd_ctx, str9xpec_cmd, "options_lvdthd", str9xpec_handle_flash_options_lvdthd_command, COMMAND_EXEC,
+                                        "configure str9xpec lvd threshold");
+       register_command(cmd_ctx, str9xpec_cmd, "options_lvdsel", str9xpec_handle_flash_options_lvdsel_command, COMMAND_EXEC,
+                                        "configure str9xpec lvd selection");
+       register_command(cmd_ctx, str9xpec_cmd, "options_lvdwarn", str9xpec_handle_flash_options_lvdwarn_command, COMMAND_EXEC,
+                                        "configure str9xpec lvd warning");
+       register_command(cmd_ctx, str9xpec_cmd, "options_read", str9xpec_handle_flash_options_read_command, COMMAND_EXEC,
+                                        "read str9xpec options");
+       register_command(cmd_ctx, str9xpec_cmd, "options_write", str9xpec_handle_flash_options_write_command, COMMAND_EXEC,
+                                        "write str9xpec options");
+       register_command(cmd_ctx, str9xpec_cmd, "lock", str9xpec_handle_flash_lock_command, COMMAND_EXEC,
+                                        "lock str9xpec device");
+       register_command(cmd_ctx, str9xpec_cmd, "unlock", str9xpec_handle_flash_unlock_command, COMMAND_EXEC,
+                                        "unlock str9xpec device");
+       register_command(cmd_ctx, str9xpec_cmd, "part_id", str9xpec_handle_part_id_command, COMMAND_EXEC,
+                                        "print part id of str9xpec flash bank <num>");
+
+       return ERROR_OK;
+}
+
+int str9xpec_set_instr(jtag_tap_t *tap, uint32_t new_instr, tap_state_t end_state)
+{
+       if ( tap == NULL ){
+               return ERROR_TARGET_INVALID;
+       }
+
+       if (buf_get_u32(tap->cur_instr, 0, tap->ir_length) != new_instr)
+       {
+               scan_field_t field;
+
+               field.tap = tap;
+               field.num_bits = tap->ir_length;
+               field.out_value = calloc(CEIL(field.num_bits, 8), 1);
+               buf_set_u32(field.out_value, 0, field.num_bits, new_instr);
+               field.in_value = NULL;
+
+               jtag_add_ir_scan(1, &field, end_state);
+
+               free(field.out_value);
+       }
+
+       return ERROR_OK;
+}
+
+static uint8_t str9xpec_isc_status(jtag_tap_t *tap)
+{
+       scan_field_t field;
+       uint8_t status;
+
+       if (str9xpec_set_instr(tap, ISC_NOOP, TAP_IRPAUSE) != ERROR_OK)
+               return ISC_STATUS_ERROR;
+
+       field.tap = tap;
+       field.num_bits = 8;
+       field.out_value = NULL;
+       field.in_value = &status;
+
+
+       jtag_add_dr_scan(1, &field, jtag_set_end_state(TAP_IDLE));
+       jtag_execute_queue();
+
+       LOG_DEBUG("status: 0x%2.2x", status);
+
+       if (status & ISC_STATUS_SECURITY)
+               LOG_INFO("Device Security Bit Set");
+
+       return status;
+}
+
+static int str9xpec_isc_enable(struct flash_bank_s *bank)
+{
+       uint8_t status;
+       jtag_tap_t *tap;
+       str9xpec_flash_controller_t *str9xpec_info = bank->driver_priv;
+
+       tap = str9xpec_info->tap;
+
+       if (str9xpec_info->isc_enable)
+               return ERROR_OK;
+
+       /* enter isc mode */
+       if (str9xpec_set_instr(tap, ISC_ENABLE, TAP_IDLE) != ERROR_OK)
+               return ERROR_TARGET_INVALID;
+
+       /* check ISC status */
+       status = str9xpec_isc_status(tap);
+       if (status & ISC_STATUS_MODE)
+       {
+               /* we have entered isc mode */
+               str9xpec_info->isc_enable = 1;
+               LOG_DEBUG("ISC_MODE Enabled");
+       }
+
+       return ERROR_OK;
+}
+
+static int str9xpec_isc_disable(struct flash_bank_s *bank)
+{
+       uint8_t status;
+       jtag_tap_t *tap;
+       str9xpec_flash_controller_t *str9xpec_info = bank->driver_priv;
+
+       tap = str9xpec_info->tap;
+
+       if (!str9xpec_info->isc_enable)
+               return ERROR_OK;
+
+       if (str9xpec_set_instr(tap, ISC_DISABLE, TAP_IDLE) != ERROR_OK)
+               return ERROR_TARGET_INVALID;
+
+       /* delay to handle aborts */
+       jtag_add_sleep(50);
+
+       /* check ISC status */
+       status = str9xpec_isc_status(tap);
+       if (!(status & ISC_STATUS_MODE))
+       {
+               /* we have left isc mode */
+               str9xpec_info->isc_enable = 0;
+               LOG_DEBUG("ISC_MODE Disabled");
+       }
+
+       return ERROR_OK;
+}
+
+static int str9xpec_read_config(struct flash_bank_s *bank)
+{
+       scan_field_t field;
+       uint8_t status;
+       jtag_tap_t *tap;
+
+       str9xpec_flash_controller_t *str9xpec_info = bank->driver_priv;
+
+       tap = str9xpec_info->tap;
+
+       LOG_DEBUG("ISC_CONFIGURATION");
+
+       /* execute ISC_CONFIGURATION command */
+       str9xpec_set_instr(tap, ISC_CONFIGURATION, TAP_IRPAUSE);
+
+       field.tap = tap;
+       field.num_bits = 64;
+       field.out_value = NULL;
+       field.in_value = str9xpec_info->options;
+
+
+       jtag_add_dr_scan(1, &field, jtag_set_end_state(TAP_IDLE));
+       jtag_execute_queue();
+
+       status = str9xpec_isc_status(tap);
+
+       return status;
+}
+
+static int str9xpec_build_block_list(struct flash_bank_s *bank)
+{
+       str9xpec_flash_controller_t *str9xpec_info = bank->driver_priv;
+
+       int i;
+       int num_sectors;
+       int b0_sectors = 0, b1_sectors = 0;
+       uint32_t offset = 0;
+       int b1_size = 0x2000;
+
+       switch (bank->size)
+       {
+               case (256 * 1024):
+                       b0_sectors = 4;
+                       break;
+               case (512 * 1024):
+                       b0_sectors = 8;
+                       break;
+               case (1024 * 1024):
+                       b0_sectors = 16;
+                       break;
+               case (2048 * 1024):
+                       b0_sectors = 32;
+                       break;
+               case (128 * 1024):
+                       b1_size = 0x4000;
+                       b1_sectors = 8;
+                       break;
+               case (32 * 1024):
+                       b1_sectors = 4;
+                       break;
+               default:
+                       LOG_ERROR("BUG: unknown bank->size encountered");
+                       exit(-1);
+       }
+
+       num_sectors = b0_sectors + b1_sectors;
+
+       bank->num_sectors = num_sectors;
+       bank->sectors = malloc(sizeof(flash_sector_t) * num_sectors);
+       str9xpec_info->sector_bits = malloc(sizeof(uint32_t) * num_sectors);
+
+       num_sectors = 0;
+
+       for (i = 0; i < b0_sectors; i++)
+       {
+               bank->sectors[num_sectors].offset = offset;
+               bank->sectors[num_sectors].size = 0x10000;
+               offset += bank->sectors[i].size;
+               bank->sectors[num_sectors].is_erased = -1;
+               bank->sectors[num_sectors].is_protected = 1;
+               str9xpec_info->sector_bits[num_sectors++] = i;
+       }
+
+       for (i = 0; i < b1_sectors; i++)
+       {
+               bank->sectors[num_sectors].offset = offset;
+               bank->sectors[num_sectors].size = b1_size;
+               offset += bank->sectors[i].size;
+               bank->sectors[num_sectors].is_erased = -1;
+               bank->sectors[num_sectors].is_protected = 1;
+               str9xpec_info->sector_bits[num_sectors++] = i + 32;
+       }
+
+       return ERROR_OK;
+}
+
+/* flash bank str9x <base> <size> 0 0 <target#>
+ */
+static int str9xpec_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank)
+{
+       str9xpec_flash_controller_t *str9xpec_info;
+       armv4_5_common_t *armv4_5 = NULL;
+       arm7_9_common_t *arm7_9 = NULL;
+       arm_jtag_t *jtag_info = NULL;
+
+       if (argc < 6)
+       {
+               LOG_WARNING("incomplete flash_bank str9x configuration");
+               return ERROR_FLASH_BANK_INVALID;
+       }
+
+       str9xpec_info = malloc(sizeof(str9xpec_flash_controller_t));
+       bank->driver_priv = str9xpec_info;
+
+       /* find out jtag position of flash controller
+        * it is always after the arm966 core */
+
+       armv4_5 = bank->target->arch_info;
+       arm7_9 = armv4_5->arch_info;
+       jtag_info = &arm7_9->jtag_info;
+
+       str9xpec_info->tap = jtag_tap_by_position( jtag_info->tap->abs_chain_position - 1);
+       str9xpec_info->isc_enable = 0;
+
+       str9xpec_build_block_list(bank);
+
+       /* clear option byte register */
+       buf_set_u32(str9xpec_info->options, 0, 64, 0);
+
+       return ERROR_OK;
+}
+
+static int str9xpec_blank_check(struct flash_bank_s *bank, int first, int last)
+{
+       scan_field_t field;
+       uint8_t status;
+       jtag_tap_t *tap;
+       int i;
+       uint8_t *buffer = NULL;
+
+       str9xpec_flash_controller_t *str9xpec_info = bank->driver_priv;
+
+       tap = str9xpec_info->tap;
+
+       if (!str9xpec_info->isc_enable) {
+               str9xpec_isc_enable( bank );
+       }
+
+       if (!str9xpec_info->isc_enable) {
+               return ERROR_FLASH_OPERATION_FAILED;
+       }
+
+       buffer = calloc(CEIL(64, 8), 1);
+
+       LOG_DEBUG("blank check: first_bank: %i, last_bank: %i", first, last);
+
+       for (i = first; i <= last; i++) {
+               buf_set_u32(buffer, str9xpec_info->sector_bits[i], 1, 1);
+       }
+
+       /* execute ISC_BLANK_CHECK command */
+       str9xpec_set_instr(tap, ISC_BLANK_CHECK, TAP_IRPAUSE);
+
+       field.tap = tap;
+       field.num_bits = 64;
+       field.out_value = buffer;
+       field.in_value = NULL;
+
+       jtag_add_dr_scan(1, &field, jtag_set_end_state(TAP_IDLE));
+       jtag_add_sleep(40000);
+
+       /* read blank check result */
+       field.tap = tap;
+       field.num_bits = 64;
+       field.out_value = NULL;
+       field.in_value = buffer;
+
+       jtag_add_dr_scan(1, &field, TAP_IRPAUSE);
+       jtag_execute_queue();
+
+       status = str9xpec_isc_status(tap);
+
+       for (i = first; i <= last; i++)
+       {
+               if (buf_get_u32(buffer, str9xpec_info->sector_bits[i], 1))
+                       bank->sectors[i].is_erased = 0;
+               else
+                       bank->sectors[i].is_erased = 1;
+       }
+
+       free(buffer);
+
+       str9xpec_isc_disable(bank);
+
+       if ((status & ISC_STATUS_ERROR) != STR9XPEC_ISC_SUCCESS)
+               return ERROR_FLASH_OPERATION_FAILED;
+       return ERROR_OK;
+}
+
+static int str9xpec_protect_check(struct flash_bank_s *bank)
+{
+       uint8_t status;
+       int i;
+
+       str9xpec_flash_controller_t *str9xpec_info = bank->driver_priv;
+
+       status = str9xpec_read_config(bank);
+
+       for (i = 0; i < bank->num_sectors; i++)
+       {
+               if (buf_get_u32(str9xpec_info->options, str9xpec_info->sector_bits[i], 1))
+                       bank->sectors[i].is_protected = 1;
+               else
+                       bank->sectors[i].is_protected = 0;
+       }
+
+       if ((status & ISC_STATUS_ERROR) != STR9XPEC_ISC_SUCCESS)
+               return ERROR_FLASH_OPERATION_FAILED;
+       return ERROR_OK;
+}
+
+static int str9xpec_erase_area(struct flash_bank_s *bank, int first, int last)
+{
+       scan_field_t field;
+       uint8_t status;
+       jtag_tap_t *tap;
+       int i;
+       uint8_t *buffer = NULL;
+
+       str9xpec_flash_controller_t *str9xpec_info = bank->driver_priv;
+
+       tap = str9xpec_info->tap;
+
+       if (!str9xpec_info->isc_enable) {
+               str9xpec_isc_enable( bank );
+       }
+
+       if (!str9xpec_info->isc_enable) {
+               return ISC_STATUS_ERROR;
+       }
+
+       buffer = calloc(CEIL(64, 8), 1);
+
+       LOG_DEBUG("erase: first_bank: %i, last_bank: %i", first, last);
+
+       /* last bank: 0xFF signals a full erase (unlock complete device) */
+       /* last bank: 0xFE signals a option byte erase */
+       if (last == 0xFF)
+       {
+               for (i = 0; i < 64; i++) {
+                       buf_set_u32(buffer, i, 1, 1);
+               }
+       }
+       else if (last == 0xFE)
+       {
+               buf_set_u32(buffer, 49, 1, 1);
+       }
+       else
+       {
+               for (i = first; i <= last; i++) {
+                       buf_set_u32(buffer, str9xpec_info->sector_bits[i], 1, 1);
+               }
+       }
+
+       LOG_DEBUG("ISC_ERASE");
+
+       /* execute ISC_ERASE command */
+       str9xpec_set_instr(tap, ISC_ERASE, TAP_IRPAUSE);
+
+       field.tap = tap;
+       field.num_bits = 64;
+       field.out_value = buffer;
+       field.in_value = NULL;
+
+       jtag_add_dr_scan(1, &field, jtag_set_end_state(TAP_IDLE));
+       jtag_execute_queue();
+
+       jtag_add_sleep(10);
+
+       /* wait for erase completion */
+       while (!((status = str9xpec_isc_status(tap)) & ISC_STATUS_BUSY)) {
+               alive_sleep(1);
+       }
+
+       free(buffer);
+
+       str9xpec_isc_disable(bank);
+
+       return status;
+}
+
+static int str9xpec_erase(struct flash_bank_s *bank, int first, int last)
+{
+       int status;
+
+       status = str9xpec_erase_area(bank, first, last);
+
+       if ((status & ISC_STATUS_ERROR) != STR9XPEC_ISC_SUCCESS)
+               return ERROR_FLASH_OPERATION_FAILED;
+
+       return ERROR_OK;
+}
+
+static int str9xpec_lock_device(struct flash_bank_s *bank)
+{
+       scan_field_t field;
+       uint8_t status;
+       jtag_tap_t *tap;
+       str9xpec_flash_controller_t *str9xpec_info = NULL;
+
+       str9xpec_info = bank->driver_priv;
+       tap = str9xpec_info->tap;
+
+       if (!str9xpec_info->isc_enable) {
+               str9xpec_isc_enable( bank );
+       }
+
+       if (!str9xpec_info->isc_enable) {
+               return ISC_STATUS_ERROR;
+       }
+
+       /* set security address */
+       str9xpec_set_address(bank, 0x80);
+
+       /* execute ISC_PROGRAM command */
+       str9xpec_set_instr(tap, ISC_PROGRAM_SECURITY, TAP_IDLE);
+
+       str9xpec_set_instr(tap, ISC_NOOP, TAP_IRPAUSE);
+
+       do {
+               field.tap = tap;
+               field.num_bits = 8;
+               field.out_value = NULL;
+               field.in_value = &status;
+
+               jtag_add_dr_scan(1, &field, jtag_get_end_state());
+               jtag_execute_queue();
+
+       } while (!(status & ISC_STATUS_BUSY));
+
+       str9xpec_isc_disable(bank);
+
+       return status;
+}
+
+static int str9xpec_unlock_device(struct flash_bank_s *bank)
+{
+       uint8_t status;
+
+       status = str9xpec_erase_area(bank, 0, 255);
+
+       return status;
+}
+
+static int str9xpec_protect(struct flash_bank_s *bank, int set, int first, int last)
+{
+       uint8_t status;
+       int i;
+
+       str9xpec_flash_controller_t *str9xpec_info = bank->driver_priv;
+
+       status = str9xpec_read_config(bank);
+
+       if ((status & ISC_STATUS_ERROR) != STR9XPEC_ISC_SUCCESS)
+               return ERROR_FLASH_OPERATION_FAILED;
+
+       LOG_DEBUG("protect: first_bank: %i, last_bank: %i", first, last);
+
+       /* last bank: 0xFF signals a full device protect */
+       if (last == 0xFF)
+       {
+               if ( set )
+               {
+                       status = str9xpec_lock_device(bank);
+               }
+               else
+               {
+                       /* perform full erase to unlock device */
+                       status = str9xpec_unlock_device(bank);
+               }
+       }
+       else
+       {
+               for (i = first; i <= last; i++)
+               {
+                       if ( set )
+                               buf_set_u32(str9xpec_info->options, str9xpec_info->sector_bits[i], 1, 1);
+                       else
+                               buf_set_u32(str9xpec_info->options, str9xpec_info->sector_bits[i], 1, 0);
+               }
+
+               status = str9xpec_write_options(bank);
+       }
+
+       if ((status & ISC_STATUS_ERROR) != STR9XPEC_ISC_SUCCESS)
+               return ERROR_FLASH_OPERATION_FAILED;
+
+       return ERROR_OK;
+}
+
+static int str9xpec_set_address(struct flash_bank_s *bank, uint8_t sector)
+{
+       jtag_tap_t *tap;
+       scan_field_t field;
+       str9xpec_flash_controller_t *str9xpec_info = bank->driver_priv;
+
+       tap = str9xpec_info->tap;
+
+       /* set flash controller address */
+       str9xpec_set_instr(tap, ISC_ADDRESS_SHIFT, TAP_IRPAUSE);
+
+       field.tap = tap;
+       field.num_bits = 8;
+       field.out_value = &sector;
+       field.in_value = NULL;
+
+       jtag_add_dr_scan(1, &field, jtag_get_end_state());
+
+       return ERROR_OK;
+}
+
+static int str9xpec_write(struct flash_bank_s *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
+{
+       str9xpec_flash_controller_t *str9xpec_info = bank->driver_priv;
+       uint32_t dwords_remaining = (count / 8);
+       uint32_t bytes_remaining = (count & 0x00000007);
+       uint32_t bytes_written = 0;
+       uint8_t status;
+       uint32_t check_address = offset;
+       jtag_tap_t *tap;
+       scan_field_t field;
+       uint8_t *scanbuf;
+       int i;
+       int first_sector = 0;
+       int last_sector = 0;
+
+       tap = str9xpec_info->tap;
+
+       if (!str9xpec_info->isc_enable) {
+               str9xpec_isc_enable(bank);
+       }
+
+       if (!str9xpec_info->isc_enable) {
+               return ERROR_FLASH_OPERATION_FAILED;
+       }
+
+       if (offset & 0x7)
+       {
+               LOG_WARNING("offset 0x%" PRIx32 " breaks required 8-byte alignment", offset);
+               return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
+       }
+
+       for (i = 0; i < bank->num_sectors; i++)
+       {
+               uint32_t sec_start = bank->sectors[i].offset;
+               uint32_t sec_end = sec_start + bank->sectors[i].size;
+
+               /* check if destination falls within the current sector */
+               if ((check_address >= sec_start) && (check_address < sec_end))
+               {
+                       /* check if destination ends in the current sector */
+                       if (offset + count < sec_end)
+                               check_address = offset + count;
+                       else
+                               check_address = sec_end;
+               }
+
+               if ((offset >= sec_start) && (offset < sec_end)){
+                       first_sector = i;
+               }
+
+               if ((offset + count >= sec_start) && (offset + count < sec_end)){
+                       last_sector = i;
+               }
+       }
+
+       if (check_address != offset + count)
+               return ERROR_FLASH_DST_OUT_OF_BANK;
+
+       LOG_DEBUG("first_sector: %i, last_sector: %i", first_sector, last_sector);
+
+       scanbuf = calloc(CEIL(64, 8), 1);
+
+       LOG_DEBUG("ISC_PROGRAM");
+
+       for (i = first_sector; i <= last_sector; i++)
+       {
+               str9xpec_set_address(bank, str9xpec_info->sector_bits[i]);
+
+               dwords_remaining = dwords_remaining < (bank->sectors[i].size/8) ? dwords_remaining : (bank->sectors[i].size/8);
+
+               while (dwords_remaining > 0)
+               {
+                       str9xpec_set_instr(tap, ISC_PROGRAM, TAP_IRPAUSE);
+
+                       field.tap = tap;
+                       field.num_bits = 64;
+                       field.out_value = (buffer + bytes_written);
+                       field.in_value = NULL;
+
+                       jtag_add_dr_scan(1, &field, jtag_set_end_state(TAP_IDLE));
+
+                       /* small delay before polling */
+                       jtag_add_sleep(50);
+
+                       str9xpec_set_instr(tap, ISC_NOOP, TAP_IRPAUSE);
+
+                       do {
+                               field.tap = tap;
+                               field.num_bits = 8;
+                               field.out_value = NULL;
+                               field.in_value = scanbuf;
+
+                               jtag_add_dr_scan(1, &field, jtag_get_end_state());
+                               jtag_execute_queue();
+
+                               status = buf_get_u32(scanbuf, 0, 8);
+
+                       } while (!(status & ISC_STATUS_BUSY));
+
+                       if ((status & ISC_STATUS_ERROR) != STR9XPEC_ISC_SUCCESS)
+                               return ERROR_FLASH_OPERATION_FAILED;
+
+                       /* if ((status & ISC_STATUS_INT_ERROR) != STR9XPEC_ISC_INTFAIL)
+                               return ERROR_FLASH_OPERATION_FAILED; */
+
+                       dwords_remaining--;
+                       bytes_written += 8;
+               }
+       }
+
+       if (bytes_remaining)
+       {
+               uint8_t last_dword[8] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
+               int i = 0;
+
+               while (bytes_remaining > 0)
+               {
+                       last_dword[i++] = *(buffer + bytes_written);
+                       bytes_remaining--;
+                       bytes_written++;
+               }
+
+               str9xpec_set_instr(tap, ISC_PROGRAM, TAP_IRPAUSE);
+
+               field.tap = tap;
+               field.num_bits = 64;
+               field.out_value = last_dword;
+               field.in_value = NULL;
+
+               jtag_add_dr_scan(1, &field, jtag_set_end_state(TAP_IDLE));
+
+               /* small delay before polling */
+               jtag_add_sleep(50);
+
+               str9xpec_set_instr(tap, ISC_NOOP, TAP_IRPAUSE);
+
+               do {
+                       field.tap = tap;
+                       field.num_bits = 8;
+                       field.out_value = NULL;
+                       field.in_value = scanbuf;
+
+                       jtag_add_dr_scan(1, &field, jtag_get_end_state());
+                       jtag_execute_queue();
+
+                       status = buf_get_u32(scanbuf, 0, 8);
+
+               } while (!(status & ISC_STATUS_BUSY));
+
+               if ((status & ISC_STATUS_ERROR) != STR9XPEC_ISC_SUCCESS)
+                       return ERROR_FLASH_OPERATION_FAILED;
+
+               /* if ((status & ISC_STATUS_INT_ERROR) != STR9XPEC_ISC_INTFAIL)
+                       return ERROR_FLASH_OPERATION_FAILED; */
+       }
+
+       free(scanbuf);
+
+       str9xpec_isc_disable(bank);
+
+       return ERROR_OK;
+}
+
+static int str9xpec_probe(struct flash_bank_s *bank)
+{
+       return ERROR_OK;
+}
+
+static int str9xpec_handle_part_id_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+       flash_bank_t *bank;
+       scan_field_t field;
+       uint8_t *buffer = NULL;
+       jtag_tap_t *tap;
+       uint32_t idcode;
+       str9xpec_flash_controller_t *str9xpec_info = NULL;
+
+       if (argc < 1)
+       {
+               return ERROR_COMMAND_SYNTAX_ERROR;
+       }
+
+       bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
+       if (!bank)
+       {
+               command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
+               return ERROR_OK;
+       }
+
+       str9xpec_info = bank->driver_priv;
+       tap = str9xpec_info->tap;
+
+       buffer = calloc(CEIL(32, 8), 1);
+
+       str9xpec_set_instr(tap, ISC_IDCODE, TAP_IRPAUSE);
+
+       field.tap = tap;
+       field.num_bits = 32;
+       field.out_value = NULL;
+       field.in_value = buffer;
+
+       jtag_add_dr_scan(1, &field, jtag_set_end_state(TAP_IDLE));
+       jtag_execute_queue();
+
+       idcode = buf_get_u32(buffer, 0, 32);
+
+       command_print(cmd_ctx, "str9xpec part id: 0x%8.8" PRIx32 "", idcode);
+
+       free(buffer);
+
+       return ERROR_OK;
+}
+
+static int str9xpec_erase_check(struct flash_bank_s *bank)
+{
+       return str9xpec_blank_check(bank, 0, bank->num_sectors - 1);
+}
+
+static int str9xpec_info(struct flash_bank_s *bank, char *buf, int buf_size)
+{
+       snprintf(buf, buf_size, "str9xpec flash driver info" );
+       return ERROR_OK;
+}
+
+static int str9xpec_handle_flash_options_read_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+       flash_bank_t *bank;
+       uint8_t status;
+       str9xpec_flash_controller_t *str9xpec_info = NULL;
+
+       if (argc < 1)
+       {
+               command_print(cmd_ctx, "str9xpec options_read <bank>");
+               return ERROR_OK;
+       }
+
+       bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
+       if (!bank)
+       {
+               command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
+               return ERROR_OK;
+       }
+
+       str9xpec_info = bank->driver_priv;
+
+       status = str9xpec_read_config(bank);
+
+       if ((status & ISC_STATUS_ERROR) != STR9XPEC_ISC_SUCCESS)
+               return ERROR_FLASH_OPERATION_FAILED;
+
+       /* boot bank */
+       if (buf_get_u32(str9xpec_info->options, STR9XPEC_OPT_CSMAPBIT, 1))
+               command_print(cmd_ctx, "CS Map: bank1");
+       else
+               command_print(cmd_ctx, "CS Map: bank0");
+
+       /* OTP lock */
+       if (buf_get_u32(str9xpec_info->options, STR9XPEC_OPT_OTPBIT, 1))
+               command_print(cmd_ctx, "OTP Lock: OTP Locked");
+       else
+               command_print(cmd_ctx, "OTP Lock: OTP Unlocked");
+
+       /* LVD Threshold */
+       if (buf_get_u32(str9xpec_info->options, STR9XPEC_OPT_LVDTHRESBIT, 1))
+               command_print(cmd_ctx, "LVD Threshold: 2.7v");
+       else
+               command_print(cmd_ctx, "LVD Threshold: 2.4v");
+
+       /* LVD reset warning */
+       if (buf_get_u32(str9xpec_info->options, STR9XPEC_OPT_LVDWARNBIT, 1))
+               command_print(cmd_ctx, "LVD Reset Warning: VDD or VDDQ Inputs");
+       else
+               command_print(cmd_ctx, "LVD Reset Warning: VDD Input Only");
+
+       /* LVD reset select */
+       if (buf_get_u32(str9xpec_info->options, STR9XPEC_OPT_LVDSELBIT, 1))
+               command_print(cmd_ctx, "LVD Reset Selection: VDD or VDDQ Inputs");
+       else
+               command_print(cmd_ctx, "LVD Reset Selection: VDD Input Only");
+
+       return ERROR_OK;
+}
+
+static int str9xpec_write_options(struct flash_bank_s *bank)
+{
+       scan_field_t field;
+       uint8_t status;
+       jtag_tap_t *tap;
+       str9xpec_flash_controller_t *str9xpec_info = NULL;
+
+       str9xpec_info = bank->driver_priv;
+       tap = str9xpec_info->tap;
+
+       /* erase config options first */
+       status = str9xpec_erase_area( bank, 0xFE, 0xFE );
+
+       if ((status & ISC_STATUS_ERROR) != STR9XPEC_ISC_SUCCESS)
+               return status;
+
+       if (!str9xpec_info->isc_enable) {
+               str9xpec_isc_enable( bank );
+       }
+
+       if (!str9xpec_info->isc_enable) {
+               return ISC_STATUS_ERROR;
+       }
+
+       /* according to data 64th bit has to be set */
+       buf_set_u32(str9xpec_info->options, 63, 1, 1);
+
+       /* set option byte address */
+       str9xpec_set_address(bank, 0x50);
+
+       /* execute ISC_PROGRAM command */
+       str9xpec_set_instr(tap, ISC_PROGRAM, TAP_IRPAUSE);
+
+       field.tap = tap;
+       field.num_bits = 64;
+       field.out_value = str9xpec_info->options;
+       field.in_value = NULL;
+
+       jtag_add_dr_scan(1, &field, jtag_set_end_state(TAP_IDLE));
+
+       /* small delay before polling */
+       jtag_add_sleep(50);
+
+       str9xpec_set_instr(tap, ISC_NOOP, TAP_IRPAUSE);
+
+       do {
+               field.tap = tap;
+               field.num_bits = 8;
+               field.out_value = NULL;
+               field.in_value = &status;
+
+               jtag_add_dr_scan(1, &field, jtag_get_end_state());
+               jtag_execute_queue();
+
+       } while (!(status & ISC_STATUS_BUSY));
+
+       str9xpec_isc_disable(bank);
+
+       return status;
+}
+
+static int str9xpec_handle_flash_options_write_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+       flash_bank_t *bank;
+       uint8_t status;
+
+       if (argc < 1)
+       {
+               command_print(cmd_ctx, "str9xpec options_write <bank>");
+               return ERROR_OK;
+       }
+
+       bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
+       if (!bank)
+       {
+               command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
+               return ERROR_OK;
+       }
+
+       status = str9xpec_write_options(bank);
+
+       if ((status & ISC_STATUS_ERROR) != STR9XPEC_ISC_SUCCESS)
+               return ERROR_FLASH_OPERATION_FAILED;
+
+       return ERROR_OK;
+}
+
+static int str9xpec_handle_flash_options_cmap_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+       flash_bank_t *bank;
+       str9xpec_flash_controller_t *str9xpec_info = NULL;
+
+       if (argc < 2)
+       {
+               command_print(cmd_ctx, "str9xpec options_cmap <bank> <bank0 | bank1>");
+               return ERROR_OK;
+       }
+
+       bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
+       if (!bank)
+       {
+               command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
+               return ERROR_OK;
+       }
+
+       str9xpec_info = bank->driver_priv;
+
+       if (strcmp(args[1], "bank1") == 0)
+       {
+               buf_set_u32(str9xpec_info->options, STR9XPEC_OPT_CSMAPBIT, 1, 1);
+       }
+       else
+       {
+               buf_set_u32(str9xpec_info->options, STR9XPEC_OPT_CSMAPBIT, 1, 0);
+       }
+
+       return ERROR_OK;
+}
+
+static int str9xpec_handle_flash_options_lvdthd_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+       flash_bank_t *bank;
+       str9xpec_flash_controller_t *str9xpec_info = NULL;
+
+       if (argc < 2)
+       {
+               command_print(cmd_ctx, "str9xpec options_lvdthd <bank> <2.4v | 2.7v>");
+               return ERROR_OK;
+       }
+
+       bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
+       if (!bank)
+       {
+               command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
+               return ERROR_OK;
+       }
+
+       str9xpec_info = bank->driver_priv;
+
+       if (strcmp(args[1], "2.7v") == 0)
+       {
+               buf_set_u32(str9xpec_info->options, STR9XPEC_OPT_LVDTHRESBIT, 1, 1);
+       }
+       else
+       {
+               buf_set_u32(str9xpec_info->options, STR9XPEC_OPT_LVDTHRESBIT, 1, 0);
+       }
+
+       return ERROR_OK;
+}
+
+int str9xpec_handle_flash_options_lvdsel_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+       flash_bank_t *bank;
+       str9xpec_flash_controller_t *str9xpec_info = NULL;
+
+       if (argc < 2)
+       {
+               command_print(cmd_ctx, "str9xpec options_lvdsel <bank> <vdd | vdd_vddq>");
+               return ERROR_OK;
+       }
+
+       bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
+       if (!bank)
+       {
+               command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
+               return ERROR_OK;
+       }
+
+       str9xpec_info = bank->driver_priv;
+
+       if (strcmp(args[1], "vdd_vddq") == 0)
+       {
+               buf_set_u32(str9xpec_info->options, STR9XPEC_OPT_LVDSELBIT, 1, 1);
+       }
+       else
+       {
+               buf_set_u32(str9xpec_info->options, STR9XPEC_OPT_LVDSELBIT, 1, 0);
+       }
+
+       return ERROR_OK;
+}
+
+static int str9xpec_handle_flash_options_lvdwarn_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+       flash_bank_t *bank;
+       str9xpec_flash_controller_t *str9xpec_info = NULL;
+
+       if (argc < 2)
+       {
+               command_print(cmd_ctx, "str9xpec options_lvdwarn <bank> <vdd | vdd_vddq>");
+               return ERROR_OK;
+       }
+
+       bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
+       if (!bank)
+       {
+               command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
+               return ERROR_OK;
+       }
+
+       str9xpec_info = bank->driver_priv;
+
+       if (strcmp(args[1], "vdd_vddq") == 0)
+       {
+               buf_set_u32(str9xpec_info->options, STR9XPEC_OPT_LVDWARNBIT, 1, 1);
+       }
+       else
+       {
+               buf_set_u32(str9xpec_info->options, STR9XPEC_OPT_LVDWARNBIT, 1, 0);
+       }
+
+       return ERROR_OK;
+}
+
+static int str9xpec_handle_flash_lock_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+       uint8_t status;
+       flash_bank_t *bank;
+
+       if (argc < 1)
+       {
+               command_print(cmd_ctx, "str9xpec lock <bank>");
+               return ERROR_OK;
+       }
+
+       bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
+       if (!bank)
+       {
+               command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
+               return ERROR_OK;
+       }
+
+       status = str9xpec_lock_device(bank);
+
+       if ((status & ISC_STATUS_ERROR) != STR9XPEC_ISC_SUCCESS)
+               return ERROR_FLASH_OPERATION_FAILED;
+
+       return ERROR_OK;
+}
+
+static int str9xpec_handle_flash_unlock_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+       uint8_t status;
+       flash_bank_t *bank;
+
+       if (argc < 1)
+       {
+               command_print(cmd_ctx, "str9xpec unlock <bank>");
+               return ERROR_OK;
+       }
+
+       bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
+       if (!bank)
+       {
+               command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
+               return ERROR_OK;
+       }
+
+       status = str9xpec_unlock_device(bank);
+
+       if ((status & ISC_STATUS_ERROR) != STR9XPEC_ISC_SUCCESS)
+               return ERROR_FLASH_OPERATION_FAILED;
+
+       return ERROR_OK;
+}
+
+static int str9xpec_handle_flash_enable_turbo_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+       int retval;
+       flash_bank_t *bank;
+       jtag_tap_t *tap0;
+       jtag_tap_t *tap1;
+       jtag_tap_t *tap2;
+       str9xpec_flash_controller_t *str9xpec_info = NULL;
+
+       if (argc < 1)
+       {
+               command_print(cmd_ctx, "str9xpec enable_turbo <bank>");
+               return ERROR_OK;
+       }
+
+       bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
+       if (!bank)
+       {
+               command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
+               return ERROR_OK;
+       }
+
+       str9xpec_info = bank->driver_priv;
+
+       tap0 = str9xpec_info->tap;
+
+       /* remove arm core from chain - enter turbo mode */
+       tap1 = tap0->next_tap;
+       if (tap1 == NULL)
+       {
+               /* things are *WRONG* */
+               command_print(cmd_ctx,"**STR9FLASH** (tap1) invalid chain?");
+               return ERROR_OK;
+       }
+       tap2 = tap1->next_tap;
+       if (tap2 == NULL)
+       {
+               /* things are *WRONG* */
+               command_print(cmd_ctx,"**STR9FLASH** (tap2) invalid chain?");
+               return ERROR_OK;
+       }
+
+       /* enable turbo mode - TURBO-PROG-ENABLE */
+       str9xpec_set_instr(tap2, 0xD, TAP_IDLE);
+       if ((retval = jtag_execute_queue()) != ERROR_OK)
+               return retval;
+
+       /* modify scan chain - str9 core has been removed */
+       tap1->enabled = 0;
+
+       return ERROR_OK;
+}
+
+static int str9xpec_handle_flash_disable_turbo_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+       flash_bank_t *bank;
+       jtag_tap_t *tap;
+       str9xpec_flash_controller_t *str9xpec_info = NULL;
+
+       if (argc < 1)
+       {
+               command_print(cmd_ctx, "str9xpec disable_turbo <bank>");
+               return ERROR_OK;
+       }
+
+       bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
+       if (!bank)
+       {
+               command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
+               return ERROR_OK;
+       }
+
+       str9xpec_info = bank->driver_priv;
+       tap = str9xpec_info->tap;
+
+       if (tap == NULL)
+               return ERROR_FAIL;
+
+       /* exit turbo mode via RESET */
+       str9xpec_set_instr(tap, ISC_NOOP, TAP_RESET);
+       jtag_execute_queue();
+
+       /* restore previous scan chain */
+       if (tap->next_tap) {
+               tap->next_tap->enabled = 1;
+       }
+
+       return ERROR_OK;
+}