--- /dev/null
+/***************************************************************************
+ * 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 = §or;
+ 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;
+}
projects / openocd / commitdiff