]> git.sur5r.net Git - openocd/blobdiff - src/flash/str9xpec.c
From Michael Bruck
[openocd] / src / flash / str9xpec.c
index f26a7632dcaef0b6523b378dbb9005dfe165413a..9df57dd5b1dbedc001acef9fafabceee71b60a0e 100644 (file)
-/***************************************************************************
- *   Copyright (C) 2005 by Dominic Rath                                    *
- *   Dominic.Rath@gmx.de                                                   *
- *                                                                         *
- *   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 "replacements.h"
-
-#include "str9xpec.h"
-#include "flash.h"
-#include "target.h"
-#include "log.h"
-#include "armv4_5.h"
-#include "arm7_9_common.h"
-#include "jtag.h"
-#include "binarybuffer.h"
-
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <getopt.h>
-
-str9xpec_mem_layout_t mem_layout_str9pec[] = {
-       {0x00000000, 0x10000, 0},
-       {0x00010000, 0x10000, 1},
-       {0x00020000, 0x10000, 2},
-       {0x00030000, 0x10000, 3},
-       {0x00040000, 0x10000, 4},
-       {0x00050000, 0x10000, 5},
-       {0x00060000, 0x10000, 6},
-       {0x00070000, 0x10000, 7},
-       {0x00080000, 0x02000, 32},
-       {0x00082000, 0x02000, 33},
-       {0x00084000, 0x02000, 34},
-       {0x00086000, 0x02000, 35}
-};
-
-int str9xpec_register_commands(struct command_context_s *cmd_ctx);
-int str9xpec_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);
-int str9xpec_erase(struct flash_bank_s *bank, int first, int last);
-int str9xpec_protect(struct flash_bank_s *bank, int set, int first, int last);
-int str9xpec_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count);
-int str9xpec_probe(struct flash_bank_s *bank);
-int str9xpec_handle_part_id_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int str9xpec_protect_check(struct flash_bank_s *bank);
-int str9xpec_erase_check(struct flash_bank_s *bank);
-int str9xpec_info(struct flash_bank_s *bank, char *buf, int buf_size);
-
-int str9xpec_erase_area(struct flash_bank_s *bank, int first, int last);
-int str9xpec_set_address(struct flash_bank_s *bank, u8 sector);
-int str9xpec_write_options(struct flash_bank_s *bank);
-
-int str9xpec_handle_flash_options_cmap_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int str9xpec_handle_flash_options_lvdthd_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int str9xpec_handle_flash_options_lvdsel_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int str9xpec_handle_flash_options_lvdwarn_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int str9xpec_handle_flash_options_read_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int str9xpec_handle_flash_options_write_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int str9xpec_handle_flash_lock_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int str9xpec_handle_flash_unlock_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int str9xpec_handle_flash_enable_turbo_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-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,
-       .erase_check = str9xpec_erase_check,
-       .protect_check = str9xpec_protect_check,
-       .info = str9xpec_info
-};
-
-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(int chain_pos, u32 new_instr, enum tap_state end_state)
-{
-       jtag_device_t *device = jtag_get_device(chain_pos);
-               
-       if (buf_get_u32(device->cur_instr, 0, device->ir_length) != new_instr)
-       {
-               scan_field_t field;
-                               
-               field.device = chain_pos;
-               field.num_bits = device->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.out_mask = NULL;
-               field.in_value = NULL;
-               field.in_check_value = NULL;
-               field.in_check_mask = NULL;
-               field.in_handler = NULL;
-               field.in_handler_priv = NULL;
-               
-               jtag_add_ir_scan(1, &field, end_state, NULL);
-               
-               free(field.out_value);
-       }
-       
-       return ERROR_OK;
-}
-
-u8 str9xpec_isc_status(int chain_pos)
-{
-       scan_field_t field;
-       u8 status;
-       
-       str9xpec_set_instr(chain_pos, ISC_NOOP, TAP_PI);
-       
-       field.device = chain_pos;
-       field.num_bits = 8;
-       field.out_value = NULL;
-       field.out_mask = NULL;
-       field.in_value = &status;
-       field.in_check_value = NULL;
-       field.in_check_mask = NULL;
-       field.in_handler = NULL;
-       field.in_handler_priv = NULL;
-       
-       jtag_add_dr_scan(1, &field, TAP_RTI, NULL);
-       jtag_execute_queue();
-       
-       DEBUG("status: 0x%2.2x", status);
-       
-       if (status & ISC_STATUS_SECURITY)
-               INFO("Device Security Bit Set");
-       
-       return status;
-}
-
-int str9xpec_isc_enable(struct flash_bank_s *bank)
-{
-       u8 status;
-       u32 chain_pos;
-       str9xpec_flash_controller_t *str9xpec_info = bank->driver_priv;
-       
-       chain_pos = str9xpec_info->chain_pos;
-       
-       if (str9xpec_info->isc_enable)
-               return ERROR_OK;
-       
-       /* enter isc mode */
-       str9xpec_set_instr(chain_pos, ISC_ENABLE, TAP_RTI);
-       
-       /* check ISC status */
-       status = str9xpec_isc_status(chain_pos);
-       if (status & ISC_STATUS_MODE)
-       {
-               /* we have entered isc mode */
-               str9xpec_info->isc_enable = 1;
-               DEBUG("ISC_MODE Enabled");
-       }
-       
-       return ERROR_OK;
-}
-
-int str9xpec_isc_disable(struct flash_bank_s *bank)
-{
-       u8 status;
-       u32 chain_pos;
-       str9xpec_flash_controller_t *str9xpec_info = bank->driver_priv;
-       
-       chain_pos = str9xpec_info->chain_pos;
-       
-       if (!str9xpec_info->isc_enable)
-               return ERROR_OK;
-       
-       str9xpec_set_instr(chain_pos, ISC_DISABLE, TAP_RTI);
-       
-       /* delay to handle aborts */
-       jtag_add_sleep(50);
-       
-       /* check ISC status */
-       status = str9xpec_isc_status(chain_pos);
-       if (!(status & ISC_STATUS_MODE))
-       {
-               /* we have left isc mode */
-               str9xpec_info->isc_enable = 0;
-               DEBUG("ISC_MODE Disabled");
-       }
-       
-       return ERROR_OK;
-}
-
-int str9xpec_read_config(struct flash_bank_s *bank)
-{
-       scan_field_t field;
-       u8 status;
-       u32 chain_pos;
-               
-       str9xpec_flash_controller_t *str9xpec_info = bank->driver_priv;
-       
-       chain_pos = str9xpec_info->chain_pos;
-       
-       DEBUG("ISC_CONFIGURATION");
-       
-       /* execute ISC_CONFIGURATION command */
-       str9xpec_set_instr(chain_pos, ISC_CONFIGURATION, TAP_PI);
-       
-       field.device = chain_pos;
-       field.num_bits = 64;
-       field.out_value = NULL;
-       field.out_mask = NULL;
-       field.in_value = str9xpec_info->options;
-       field.in_check_value = NULL;
-       field.in_check_mask = NULL;
-       field.in_handler = NULL;
-       field.in_handler_priv = NULL;
-       
-       jtag_add_dr_scan(1, &field, TAP_RTI, NULL);
-       jtag_execute_queue();
-       
-       status = str9xpec_isc_status(chain_pos);
-       
-       return status;
-}
-
-int str9xpec_build_block_list(struct flash_bank_s *bank)
-{
-       str9xpec_flash_controller_t *str9xpec_info = bank->driver_priv;
-       
-       int i;
-       int num_sectors = 0, b0_sectors = 0;
-               
-       switch (bank->size)
-       {
-               case 256 * 1024:
-                       b0_sectors = 4;
-                       break;
-               case 512 * 1024:
-                       b0_sectors = 8;
-                       break;
-               default:
-                       ERROR("BUG: unknown bank->size encountered");
-                       exit(-1);
-       }
-       
-       num_sectors = b0_sectors + 4;
-       
-       bank->num_sectors = num_sectors;
-       bank->sectors = malloc(sizeof(flash_sector_t) * num_sectors);
-       str9xpec_info->sector_bits = malloc(sizeof(u32) * num_sectors);
-       
-       num_sectors = 0;
-       
-       for (i = 0; i < b0_sectors; i++)
-       {
-               bank->sectors[num_sectors].offset = mem_layout_str9pec[i].sector_start;
-               bank->sectors[num_sectors].size = mem_layout_str9pec[i].sector_size;
-               bank->sectors[num_sectors].is_erased = -1;
-               bank->sectors[num_sectors].is_protected = 1;
-               str9xpec_info->sector_bits[num_sectors++] = mem_layout_str9pec[i].sector_bit;
-       }
-       
-       for (i = 8; i < 12; i++)
-       {
-               bank->sectors[num_sectors].offset = mem_layout_str9pec[i].sector_start;
-               bank->sectors[num_sectors].size = mem_layout_str9pec[i].sector_size;
-               bank->sectors[num_sectors].is_erased = -1;
-               bank->sectors[num_sectors].is_protected = 1;
-               str9xpec_info->sector_bits[num_sectors++] = mem_layout_str9pec[i].sector_bit;
-       }
-       
-       return ERROR_OK;
-}
-
-/* flash bank str9x <base> <size> 0 0 <target#>
- */
-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)
-       {
-               WARNING("incomplete flash_bank str9x configuration");
-               return ERROR_FLASH_BANK_INVALID;
-       }
-       
-       str9xpec_info = malloc(sizeof(str9xpec_flash_controller_t));
-       bank->driver_priv = str9xpec_info;
-       
-       if (bank->base != 0x00000000)
-       {
-               WARNING("overriding flash base address for STR91x device with 0x00000000");
-               bank->base = 0x00000000;
-       }
-       
-       str9xpec_info->target = get_target_by_num(strtoul(args[5], NULL, 0));
-       if (!str9xpec_info->target)
-       {
-               ERROR("no target '%s' configured", args[5]);
-               exit(-1);
-       }
-
-       /* find out jtag position of flash controller
-        * it is always after the arm966 core */
-       
-       armv4_5 = str9xpec_info->target->arch_info;
-       arm7_9 = armv4_5->arch_info;
-       jtag_info = &arm7_9->jtag_info;
-       
-       str9xpec_info->chain_pos = (jtag_info->chain_pos - 1);
-       str9xpec_info->isc_enable = 0;
-       str9xpec_info->devarm = NULL;
-       
-       str9xpec_build_block_list(bank);
-       
-       /* clear option byte register */
-       buf_set_u32(str9xpec_info->options, 0, 64, 0);
-       
-       return ERROR_OK;
-}
-
-int str9xpec_blank_check(struct flash_bank_s *bank, int first, int last)
-{
-       scan_field_t field;
-       u8 status;
-       u32 chain_pos;
-       int i;
-       u8 *buffer = NULL;
-               
-       str9xpec_flash_controller_t *str9xpec_info = bank->driver_priv;
-       
-       chain_pos = str9xpec_info->chain_pos;
-       
-       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);
-
-       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(chain_pos, ISC_BLANK_CHECK, TAP_PI);
-       
-       field.device = chain_pos;
-       field.num_bits = 64;
-       field.out_value = buffer;
-       field.out_mask = NULL;
-       field.in_value = NULL;
-       field.in_check_value = NULL;
-       field.in_check_mask = NULL;
-       field.in_handler = NULL;
-       field.in_handler_priv = NULL;
-       
-       jtag_add_dr_scan(1, &field, TAP_RTI, NULL);
-       jtag_add_sleep(40000);
-       
-       /* read blank check result */
-       field.device = chain_pos;
-       field.num_bits = 64;
-       field.out_value = NULL;
-       field.out_mask = NULL;
-       field.in_value = buffer;
-       field.in_check_value = NULL;
-       field.in_check_mask = NULL;
-       field.in_handler = NULL;
-       field.in_handler_priv = NULL;
-       
-       jtag_add_dr_scan(1, &field, TAP_PI, NULL);
-       jtag_execute_queue();
-       
-       status = str9xpec_isc_status(chain_pos);
-       
-       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;
-}
-
-int str9xpec_protect_check(struct flash_bank_s *bank)
-{
-       u8 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;
-}
-
-int str9xpec_erase_area(struct flash_bank_s *bank, int first, int last)
-{
-       scan_field_t field;
-       u8 status;
-       u32 chain_pos;
-       int i;
-       u8 *buffer = NULL;
-       
-       str9xpec_flash_controller_t *str9xpec_info = bank->driver_priv;
-       
-       chain_pos = str9xpec_info->chain_pos;
-       
-       if (!str9xpec_info->isc_enable) {
-               str9xpec_isc_enable( bank );
-       }
-       
-       if (!str9xpec_info->isc_enable) {
-               return ISC_STATUS_ERROR;
-       }
-       
-       buffer = calloc(CEIL(64, 8), 1);
-       
-       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);
-               }
-       }
-       
-       DEBUG("ISC_ERASE");
-       
-       /* execute ISC_ERASE command */
-       str9xpec_set_instr(chain_pos, ISC_ERASE, TAP_PI);
-       
-       field.device = chain_pos;
-       field.num_bits = 64;
-       field.out_value = buffer;
-       field.out_mask = NULL;
-       field.in_value = NULL;
-       field.in_check_value = NULL;
-       field.in_check_mask = NULL;
-       field.in_handler = NULL;
-       field.in_handler_priv = NULL;
-       
-       jtag_add_dr_scan(1, &field, TAP_RTI, NULL);
-       jtag_execute_queue();
-       
-       jtag_add_sleep(10);
-       
-       /* wait for erase completion */
-       while (!((status = str9xpec_isc_status(chain_pos)) & ISC_STATUS_BUSY)) {
-               usleep(1000);
-       }
-       
-       free(buffer);
-       
-       str9xpec_isc_disable(bank);
-       
-       return status;
-}
-
-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;
-}
-
-int str9xpec_lock_device(struct flash_bank_s *bank)
-{
-       scan_field_t field;
-       u8 status;
-       u32 chain_pos;
-       str9xpec_flash_controller_t *str9xpec_info = NULL;
-       
-       str9xpec_info = bank->driver_priv;
-       chain_pos = str9xpec_info->chain_pos;
-       
-       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(chain_pos, ISC_PROGRAM_SECURITY, TAP_RTI);
-       
-       str9xpec_set_instr(chain_pos, ISC_NOOP, TAP_PI);
-       
-       do {
-               field.device = chain_pos;
-               field.num_bits = 8;
-               field.out_value = NULL;
-               field.out_mask = NULL;
-               field.in_value = &status;
-               field.in_check_value = NULL;
-               field.in_check_mask = NULL;
-               field.in_handler = NULL;
-               field.in_handler_priv = NULL;
-               
-               jtag_add_dr_scan(1, &field, -1, NULL);
-               jtag_execute_queue();
-               
-       } while(!(status & ISC_STATUS_BUSY));
-       
-       str9xpec_isc_disable(bank);
-       
-       return status;
-}
-
-int str9xpec_unlock_device(struct flash_bank_s *bank)
-{
-       u8 status;
-       //u32 chain_pos;
-       //jtag_device_t* dev0;
-       //jtag_device_t* dev1;
-       //jtag_device_t* dev2;
-       
-       //str9xpec_flash_controller_t *str9xpec_info = bank->driver_priv;
-       
-       //chain_pos = str9xpec_info->chain_pos;
-       
-       /* remove arm core from chain - enter turbo mode */
-       
-       //str9xpec_set_instr(chain_pos+2, 0xD, TAP_RTI);
-       //jtag_execute_queue();
-       
-       /* modify scan chain - arm9 has been removed */
-       //dev0 = jtag_get_device(chain_pos);
-       //dev1 = jtag_get_device(chain_pos+1);
-       //dev2 = jtag_get_device(chain_pos+2);
-       //dev0->next = dev2;
-       //jtag_num_devices--;
-       
-       status = str9xpec_erase_area(bank, 0, 255);
-       
-       /* exit turbo mode via TLR */
-       //str9xpec_set_instr(chain_pos, ISC_NOOP, TAP_TLR);
-       //jtag_execute_queue();
-       
-       /* restore previous scan chain */
-       //dev0->next = dev1;
-       //jtag_num_devices++;
-       
-       return status;
-}
-
-int str9xpec_protect(struct flash_bank_s *bank, int set, int first, int last)
-{
-       u8 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;
-
-       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;
-}
-
-int str9xpec_set_address(struct flash_bank_s *bank, u8 sector)
-{
-       u32 chain_pos;
-       scan_field_t field;
-       str9xpec_flash_controller_t *str9xpec_info = bank->driver_priv;
-       
-       chain_pos = str9xpec_info->chain_pos;
-       
-       /* set flash controller address */
-       str9xpec_set_instr(chain_pos, ISC_ADDRESS_SHIFT, TAP_PI);
-       
-       field.device = chain_pos;
-       field.num_bits = 8;
-       field.out_value = &sector;
-       field.out_mask = NULL;
-       field.in_value = NULL;
-       field.in_check_value = NULL;
-       field.in_check_mask = NULL;
-       field.in_handler = NULL;
-       field.in_handler_priv = NULL;
-       
-       jtag_add_dr_scan(1, &field, -1, NULL);
-               
-       return ERROR_OK;
-}
-
-int str9xpec_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
-{
-       str9xpec_flash_controller_t *str9xpec_info = bank->driver_priv;
-       u32 dwords_remaining = (count / 8);
-       u32 bytes_remaining = (count & 0x00000007);
-       u32 bytes_written = 0;
-       u8 status;
-       u32 check_address = offset;
-       u32 chain_pos;
-       scan_field_t field;
-       u8 *scanbuf;
-       int i;
-       u32 first_sector = 0;
-       u32 last_sector = 0;
-       
-       chain_pos = str9xpec_info->chain_pos;
-       
-       if (!str9xpec_info->isc_enable) {
-               str9xpec_isc_enable(bank);
-       }
-       
-       if (!str9xpec_info->isc_enable) {
-               return ERROR_FLASH_OPERATION_FAILED;
-       }
-       
-       if (offset & 0x7)
-       {
-               WARNING("offset 0x%x breaks required 8-byte alignment", offset);
-               return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
-       }
-       
-       for (i = 0; i < bank->num_sectors; i++)
-       {
-               u32 sec_start = bank->sectors[i].offset;
-               u32 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;
-
-       DEBUG("first_sector: %i, last_sector: %i", first_sector, last_sector);
-       
-       scanbuf = calloc(CEIL(64, 8), 1);
-       
-       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(chain_pos, ISC_PROGRAM, TAP_PI);
-                       
-                       field.device = chain_pos;
-                       field.num_bits = 64;
-                       field.out_value = (buffer + bytes_written);
-                       field.out_mask = NULL;
-                       field.in_value = NULL;
-                       field.in_check_value = NULL;
-                       field.in_check_mask = NULL;
-                       field.in_handler = NULL;
-                       field.in_handler_priv = NULL;
-                       
-                       jtag_add_dr_scan(1, &field, TAP_RTI, NULL);
-                       
-                       /* small delay before polling */
-                       jtag_add_sleep(50);
-                       
-                       str9xpec_set_instr(chain_pos, ISC_NOOP, TAP_PI);
-                       
-                       do {
-                               field.device = chain_pos;
-                               field.num_bits = 8;
-                               field.out_value = NULL;
-                               field.out_mask = NULL;
-                               field.in_value = scanbuf;
-                               field.in_check_value = NULL;
-                               field.in_check_mask = NULL;
-                               field.in_handler = NULL;
-                               field.in_handler_priv = NULL;
-                               
-                               jtag_add_dr_scan(1, &field, -1, NULL);
-                               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)
-       {
-               u8 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(chain_pos, ISC_PROGRAM, TAP_PI);
-               
-               field.device = chain_pos;
-               field.num_bits = 64;
-               field.out_value = last_dword;
-               field.out_mask = NULL;
-               field.in_value = NULL;
-               field.in_check_value = NULL;
-               field.in_check_mask = NULL;
-               field.in_handler = NULL;
-               field.in_handler_priv = NULL;
-               
-               jtag_add_dr_scan(1, &field, TAP_RTI, NULL);
-               
-               /* small delay before polling */
-               jtag_add_sleep(50);
-               
-               str9xpec_set_instr(chain_pos, ISC_NOOP, TAP_PI);
-               
-               do {
-                       field.device = chain_pos;
-                       field.num_bits = 8;
-                       field.out_value = NULL;
-                       field.out_mask = NULL;
-                       field.in_value = scanbuf;
-                       field.in_check_value = NULL;
-                       field.in_check_mask = NULL;
-                       field.in_handler = NULL;
-                       field.in_handler_priv = NULL;
-                       
-                       jtag_add_dr_scan(1, &field, -1, NULL);
-                       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;
-}
-
-int str9xpec_probe(struct flash_bank_s *bank)
-{
-       return ERROR_OK;
-}
-
-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;
-       u8 *buffer = NULL;
-       u32 chain_pos;
-       u32 idcode;
-       str9xpec_flash_controller_t *str9xpec_info = NULL;
-
-       if (argc < 1)
-       {
-               command_print(cmd_ctx, "usage: str9xpec part_id <num>");
-               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;
-       chain_pos = str9xpec_info->chain_pos;
-       
-       buffer = calloc(CEIL(32, 8), 1);
-       
-       str9xpec_set_instr(chain_pos, ISC_IDCODE, TAP_PI);
-       
-       field.device = chain_pos;
-       field.num_bits = 32;
-       field.out_value = NULL;
-       field.out_mask = NULL;
-       field.in_value = buffer;
-       field.in_check_value = NULL;
-       field.in_check_mask = NULL;
-       field.in_handler = NULL;
-       field.in_handler_priv = NULL;
-       
-       jtag_add_dr_scan(1, &field, TAP_RTI, NULL);
-       jtag_execute_queue();
-       
-       idcode = buf_get_u32(buffer, 0, 32);
-       
-       command_print(cmd_ctx, "str9xpec part id: 0x%8.8x", idcode);
-       
-       free(buffer);
-       
-       return ERROR_OK;
-}
-
-int str9xpec_erase_check(struct flash_bank_s *bank)
-{
-       return str9xpec_blank_check(bank, 0, bank->num_sectors - 1);
-}
-
-int str9xpec_info(struct flash_bank_s *bank, char *buf, int buf_size)
-{
-       snprintf(buf, buf_size, "str9xpec flash driver info" );
-       return ERROR_OK;
-}
-
-int str9xpec_handle_flash_options_read_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
-       flash_bank_t *bank;
-       u8 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;
-}
-
-int str9xpec_write_options(struct flash_bank_s *bank)
-{
-       scan_field_t field;
-       u8 status;
-       u32 chain_pos;
-       str9xpec_flash_controller_t *str9xpec_info = NULL;
-       
-       str9xpec_info = bank->driver_priv;
-       chain_pos = str9xpec_info->chain_pos;
-       
-       /* erase config options first */
-       str9xpec_erase_area( bank, 0xFE, 0xFE );
-       
-       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(chain_pos, ISC_PROGRAM, TAP_PI);
-               
-       field.device = chain_pos;
-       field.num_bits = 64;
-       field.out_value = str9xpec_info->options;
-       field.out_mask = NULL;
-       field.in_value = NULL;
-       field.in_check_value = NULL;
-       field.in_check_mask = NULL;
-       field.in_handler = NULL;
-       field.in_handler_priv = NULL;
-       
-       jtag_add_dr_scan(1, &field, TAP_RTI, NULL);
-       
-       /* small delay before polling */
-       jtag_add_sleep(50);
-       
-       str9xpec_set_instr(chain_pos, ISC_NOOP, TAP_PI);
-       
-       do {
-               field.device = chain_pos;
-               field.num_bits = 8;
-               field.out_value = NULL;
-               field.out_mask = NULL;
-               field.in_value = &status;
-               field.in_check_value = NULL;
-               field.in_check_mask = NULL;
-               field.in_handler = NULL;
-               field.in_handler_priv = NULL;
-               
-               jtag_add_dr_scan(1, &field, -1, NULL);
-               jtag_execute_queue();
-               
-       } while(!(status & ISC_STATUS_BUSY));
-       
-       str9xpec_isc_disable(bank);
-       
-       return status;
-}
-
-int str9xpec_handle_flash_options_write_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
-       flash_bank_t *bank;
-       u8 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;
-}
-
-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 (stricmp(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;
-}
-
-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 (stricmp(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 (stricmp(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;
-}
-
-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 (stricmp(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;
-}
-
-int str9xpec_handle_flash_lock_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
-       u8 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;
-}
-
-int str9xpec_handle_flash_unlock_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
-       u8 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;
-}
-
-int str9xpec_handle_flash_enable_turbo_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
-       flash_bank_t *bank;
-       u32 chain_pos;
-       jtag_device_t* dev0;
-       jtag_device_t* dev2;
-       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;
-       
-       chain_pos = str9xpec_info->chain_pos;
-       
-       /* remove arm core from chain - enter turbo mode */
-       
-       str9xpec_set_instr(chain_pos+2, 0xD, TAP_RTI);
-       jtag_execute_queue();
-       
-       /* modify scan chain - str9 core has been removed */
-       dev0 = jtag_get_device(chain_pos);
-       str9xpec_info->devarm = jtag_get_device(chain_pos+1);
-       dev2 = jtag_get_device(chain_pos+2);
-       dev0->next = dev2;
-       jtag_num_devices--;
-       
-       return ERROR_OK;
-}
-
-int str9xpec_handle_flash_disable_turbo_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
-       flash_bank_t *bank;
-       u32 chain_pos;
-       jtag_device_t* dev0;
-       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;
-       
-       chain_pos = str9xpec_info->chain_pos;
-       
-       dev0 = jtag_get_device(chain_pos);
-       
-       /* exit turbo mode via TLR */
-       str9xpec_set_instr(chain_pos, ISC_NOOP, TAP_TLR);
-       jtag_execute_queue();
-       
-       /* restore previous scan chain */
-       if( str9xpec_info->devarm ) {
-               dev0->next = str9xpec_info->devarm;
-               jtag_num_devices++;
-       }
-       
-       return ERROR_OK;
-}
+/***************************************************************************\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);\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);\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);\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);\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);\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);\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);\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);\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);\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);\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);\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);\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);\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);\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);\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