-/***************************************************************************
- * 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 "str7x.h"
-#include "flash.h"
-#include "target.h"
-#include "log.h"
-#include "armv4_5.h"
-#include "algorithm.h"
-#include "binarybuffer.h"
-
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-str7x_mem_layout_t mem_layout[] = {
- {0x00000000, 0x02000, 0x01},
- {0x00002000, 0x02000, 0x02},
- {0x00004000, 0x02000, 0x04},
- {0x00006000, 0x02000, 0x08},
- {0x00008000, 0x08000, 0x10},
- {0x00010000, 0x10000, 0x20},
- {0x00020000, 0x10000, 0x40},
- {0x00030000, 0x10000, 0x80},
- {0x000C0000, 0x02000, 0x10000},
- {0x000C2000, 0x02000, 0x20000},
-};
-
-int str7x_register_commands(struct command_context_s *cmd_ctx);
-int str7x_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);
-int str7x_erase(struct flash_bank_s *bank, int first, int last);
-int str7x_protect(struct flash_bank_s *bank, int set, int first, int last);
-int str7x_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count);
-int str7x_probe(struct flash_bank_s *bank);
-int str7x_handle_part_id_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int str7x_protect_check(struct flash_bank_s *bank);
-int str7x_erase_check(struct flash_bank_s *bank);
-int str7x_info(struct flash_bank_s *bank, char *buf, int buf_size);
-
-int str7x_handle_disable_jtag_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-
-flash_driver_t str7x_flash =
-{
- .name = "str7x",
- .register_commands = str7x_register_commands,
- .flash_bank_command = str7x_flash_bank_command,
- .erase = str7x_erase,
- .protect = str7x_protect,
- .write = str7x_write,
- .probe = str7x_probe,
- .auto_probe = str7x_probe,
- .erase_check = str7x_erase_check,
- .protect_check = str7x_protect_check,
- .info = str7x_info
-};
-
-int str7x_register_commands(struct command_context_s *cmd_ctx)
-{
- command_t *str7x_cmd = register_command(cmd_ctx, NULL, "str7x", NULL, COMMAND_ANY, NULL);
-
- register_command(cmd_ctx, str7x_cmd, "disable_jtag", str7x_handle_disable_jtag_command, COMMAND_EXEC,
- "disable jtag access");
-
- return ERROR_OK;
-}
-
-int str7x_get_flash_adr(struct flash_bank_s *bank, u32 reg)
-{
- return (bank->base | reg);
-}
-
-int str7x_build_block_list(struct flash_bank_s *bank)
-{
- str7x_flash_bank_t *str7x_info = bank->driver_priv;
-
- int i;
- int num_sectors = 0, b0_sectors = 0, b1_sectors = 0;
-
- switch (bank->size)
- {
- case 16 * 1024:
- b0_sectors = 2;
- break;
- case 64 * 1024:
- b0_sectors = 5;
- break;
- case 128 * 1024:
- b0_sectors = 6;
- break;
- case 256 * 1024:
- b0_sectors = 8;
- break;
- default:
- ERROR("BUG: unknown bank->size encountered");
- exit(-1);
- }
-
- if( str7x_info->bank1 == 1 )
- {
- b1_sectors += 2;
- }
-
- num_sectors = b0_sectors + b1_sectors;
-
- bank->num_sectors = num_sectors;
- bank->sectors = malloc(sizeof(flash_sector_t) * num_sectors);
- str7x_info->sector_bits = malloc(sizeof(u32) * num_sectors);
- str7x_info->sector_bank = malloc(sizeof(u32) * num_sectors);
-
- num_sectors = 0;
-
- for (i = 0; i < b0_sectors; i++)
- {
- bank->sectors[num_sectors].offset = mem_layout[i].sector_start;
- bank->sectors[num_sectors].size = mem_layout[i].sector_size;
- bank->sectors[num_sectors].is_erased = -1;
- bank->sectors[num_sectors].is_protected = 1;
- str7x_info->sector_bank[num_sectors] = 0;
- str7x_info->sector_bits[num_sectors++] = mem_layout[i].sector_bit;
- }
-
- if (b1_sectors)
- {
- for (i = 8; i < 10; i++)
- {
- bank->sectors[num_sectors].offset = mem_layout[i].sector_start;
- bank->sectors[num_sectors].size = mem_layout[i].sector_size;
- bank->sectors[num_sectors].is_erased = -1;
- bank->sectors[num_sectors].is_protected = 1;
- str7x_info->sector_bank[num_sectors] = 1;
- str7x_info->sector_bits[num_sectors++] = mem_layout[i].sector_bit;
- }
- }
-
- return ERROR_OK;
-}
-
-/* flash bank str7x <base> <size> 0 0 <target#> <str71_variant>
- */
-int str7x_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank)
-{
- str7x_flash_bank_t *str7x_info;
-
- if (argc < 7)
- {
- WARNING("incomplete flash_bank str7x configuration");
- return ERROR_FLASH_BANK_INVALID;
- }
-
- str7x_info = malloc(sizeof(str7x_flash_bank_t));
- bank->driver_priv = str7x_info;
-
- /* set default bits for str71x flash */
- str7x_info->bank1 = 1;
- str7x_info->busy_bits = (FLASH_LOCK|FLASH_BSYA1|FLASH_BSYA0);
- str7x_info->disable_bit = (1<<1);
-
- if (strcmp(args[6], "STR71x") == 0)
- {
- if (bank->base != 0x40000000)
- {
- WARNING("overriding flash base address for STR71x device with 0x40000000");
- bank->base = 0x40000000;
- }
- }
- else if (strcmp(args[6], "STR73x") == 0)
- {
- str7x_info->bank1 = 0;
- str7x_info->busy_bits = (FLASH_LOCK|FLASH_BSYA0);
-
- if (bank->base != 0x80000000)
- {
- WARNING("overriding flash base address for STR73x device with 0x80000000");
- bank->base = 0x80000000;
- }
- }
- else if (strcmp(args[6], "STR75x") == 0)
- {
- str7x_info->disable_bit = (1<<0);
-
- if (bank->base != 0x20000000)
- {
- WARNING("overriding flash base address for STR75x device with 0x20000000");
- bank->base = 0x20000000;
- }
- }
- else
- {
- ERROR("unknown STR7x variant: '%s'", args[6]);
- free(str7x_info);
- return ERROR_FLASH_BANK_INVALID;
- }
-
- str7x_build_block_list(bank);
-
- str7x_info->write_algorithm = NULL;
-
- return ERROR_OK;
-}
-
-u32 str7x_status(struct flash_bank_s *bank)
-{
- target_t *target = bank->target;
- u32 retval;
-
- target_read_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), &retval);
-
- return retval;
-}
-
-u32 str7x_result(struct flash_bank_s *bank)
-{
- target_t *target = bank->target;
- u32 retval;
-
- target_read_u32(target, str7x_get_flash_adr(bank, FLASH_ER), &retval);
-
- return retval;
-}
-
-int str7x_blank_check(struct flash_bank_s *bank, int first, int last)
-{
- target_t *target = bank->target;
- u8 *buffer;
- int i;
- int nBytes;
-
- if ((first < 0) || (last > bank->num_sectors))
- return ERROR_FLASH_SECTOR_INVALID;
-
- if (bank->target->state != TARGET_HALTED)
- {
- return ERROR_TARGET_NOT_HALTED;
- }
-
- buffer = malloc(256);
-
- for (i = first; i <= last; i++)
- {
- bank->sectors[i].is_erased = 1;
-
- target->type->read_memory(target, bank->base + bank->sectors[i].offset, 4, 256/4, buffer);
-
- for (nBytes = 0; nBytes < 256; nBytes++)
- {
- if (buffer[nBytes] != 0xFF)
- {
- bank->sectors[i].is_erased = 0;
- break;
- }
- }
- }
-
- free(buffer);
-
- return ERROR_OK;
-}
-
-int str7x_protect_check(struct flash_bank_s *bank)
-{
- str7x_flash_bank_t *str7x_info = bank->driver_priv;
- target_t *target = bank->target;
-
- int i;
- u32 retval;
-
- if (bank->target->state != TARGET_HALTED)
- {
- return ERROR_TARGET_NOT_HALTED;
- }
-
- target_read_u32(target, str7x_get_flash_adr(bank, FLASH_NVWPAR), &retval);
-
- for (i = 0; i < bank->num_sectors; i++)
- {
- if (retval & str7x_info->sector_bits[i])
- bank->sectors[i].is_protected = 0;
- else
- bank->sectors[i].is_protected = 1;
- }
-
- return ERROR_OK;
-}
-
-int str7x_erase(struct flash_bank_s *bank, int first, int last)
-{
- str7x_flash_bank_t *str7x_info = bank->driver_priv;
- target_t *target = bank->target;
-
- int i;
- u32 cmd;
- u32 retval;
- u32 b0_sectors = 0, b1_sectors = 0;
-
- if (bank->target->state != TARGET_HALTED)
- {
- return ERROR_TARGET_NOT_HALTED;
- }
-
- for (i = first; i <= last; i++)
- {
- if (str7x_info->sector_bank[i] == 0)
- b0_sectors |= str7x_info->sector_bits[i];
- else if (str7x_info->sector_bank[i] == 1)
- b1_sectors |= str7x_info->sector_bits[i];
- else
- ERROR("BUG: str7x_info->sector_bank[i] neither 0 nor 1 (%i)", str7x_info->sector_bank[i]);
- }
-
- if (b0_sectors)
- {
- DEBUG("b0_sectors: 0x%x", b0_sectors);
-
- /* clear FLASH_ER register */
- target_write_u32(target, str7x_get_flash_adr(bank, FLASH_ER), 0x0);
-
- cmd = FLASH_SER;
- target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), cmd);
-
- cmd = b0_sectors;
- target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR1), cmd);
-
- cmd = FLASH_SER|FLASH_WMS;
- target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), cmd);
-
- while (((retval = str7x_status(bank)) & str7x_info->busy_bits)){
- usleep(1000);
- }
-
- retval = str7x_result(bank);
-
- if (retval)
- {
- ERROR("error erasing flash bank, FLASH_ER: 0x%x", retval);
- return ERROR_FLASH_OPERATION_FAILED;
- }
- }
-
- if (b1_sectors)
- {
- DEBUG("b1_sectors: 0x%x", b1_sectors);
-
- /* clear FLASH_ER register */
- target_write_u32(target, str7x_get_flash_adr(bank, FLASH_ER), 0x0);
-
- cmd = FLASH_SER;
- target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), cmd);
-
- cmd = b1_sectors;
- target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR1), cmd);
-
- cmd = FLASH_SER|FLASH_WMS;
- target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), cmd);
-
- while (((retval = str7x_status(bank)) & str7x_info->busy_bits)){
- usleep(1000);
- }
-
- retval = str7x_result(bank);
-
- if (retval)
- {
- ERROR("error erasing flash bank, FLASH_ER: 0x%x", retval);
- return ERROR_FLASH_OPERATION_FAILED;
- }
- }
-
- for (i = first; i <= last; i++)
- bank->sectors[i].is_erased = 1;
-
- return ERROR_OK;
-}
-
-int str7x_protect(struct flash_bank_s *bank, int set, int first, int last)
-{
- str7x_flash_bank_t *str7x_info = bank->driver_priv;
- target_t *target = bank->target;
- int i;
- u32 cmd;
- u32 retval;
- u32 protect_blocks;
-
- if (bank->target->state != TARGET_HALTED)
- {
- return ERROR_TARGET_NOT_HALTED;
- }
-
- protect_blocks = 0xFFFFFFFF;
-
- if (set)
- {
- for (i = first; i <= last; i++)
- protect_blocks &= ~(str7x_info->sector_bits[i]);
- }
-
- /* clear FLASH_ER register */
- target_write_u32(target, str7x_get_flash_adr(bank, FLASH_ER), 0x0);
-
- cmd = FLASH_SPR;
- target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), cmd);
-
- cmd = str7x_get_flash_adr(bank, FLASH_NVWPAR);
- target_write_u32(target, str7x_get_flash_adr(bank, FLASH_AR), cmd);
-
- cmd = protect_blocks;
- target_write_u32(target, str7x_get_flash_adr(bank, FLASH_DR0), cmd);
-
- cmd = FLASH_SPR|FLASH_WMS;
- target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), cmd);
-
- while (((retval = str7x_status(bank)) & str7x_info->busy_bits)){
- usleep(1000);
- }
-
- retval = str7x_result(bank);
-
- DEBUG("retval: 0x%8.8x", retval);
-
- if (retval & FLASH_ERER)
- return ERROR_FLASH_SECTOR_NOT_ERASED;
- else if (retval & FLASH_WPF)
- return ERROR_FLASH_OPERATION_FAILED;
-
- return ERROR_OK;
-}
-
-int str7x_write_block(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
-{
- str7x_flash_bank_t *str7x_info = bank->driver_priv;
- target_t *target = bank->target;
- u32 buffer_size = 8192;
- working_area_t *source;
- u32 address = bank->base + offset;
- reg_param_t reg_params[6];
- armv4_5_algorithm_t armv4_5_info;
- int retval = ERROR_OK;
-
- u32 str7x_flash_write_code[] = {
- /* write: */
- 0xe3a04201, /* mov r4, #0x10000000 */
- 0xe5824000, /* str r4, [r2, #0x0] */
- 0xe5821010, /* str r1, [r2, #0x10] */
- 0xe4904004, /* ldr r4, [r0], #4 */
- 0xe5824008, /* str r4, [r2, #0x8] */
- 0xe4904004, /* ldr r4, [r0], #4 */
- 0xe582400c, /* str r4, [r2, #0xc] */
- 0xe3a04209, /* mov r4, #0x90000000 */
- 0xe5824000, /* str r4, [r2, #0x0] */
- /* busy: */
- 0xe5924000, /* ldr r4, [r2, #0x0] */
- 0xe1140005, /* tst r4, r5 */
- 0x1afffffc, /* bne busy */
- 0xe5924014, /* ldr r4, [r2, #0x14] */
- 0xe31400ff, /* tst r4, #0xff */
- 0x03140c01, /* tsteq r4, #0x100 */
- 0x1a000002, /* bne exit */
- 0xe2811008, /* add r1, r1, #0x8 */
- 0xe2533001, /* subs r3, r3, #1 */
- 0x1affffec, /* bne write */
- /* exit: */
- 0xeafffffe, /* b exit */
- };
-
- /* flash write code */
- if (target_alloc_working_area(target, 4 * 20, &str7x_info->write_algorithm) != ERROR_OK)
- {
- WARNING("no working area available, can't do block memory writes");
- return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
- };
-
- target_write_buffer(target, str7x_info->write_algorithm->address, 20 * 4, (u8*)str7x_flash_write_code);
-
- /* memory buffer */
- while (target_alloc_working_area(target, buffer_size, &source) != ERROR_OK)
- {
- buffer_size /= 2;
- if (buffer_size <= 256)
- {
- /* if we already allocated the writing code, but failed to get a buffer, free the algorithm */
- if (str7x_info->write_algorithm)
- target_free_working_area(target, str7x_info->write_algorithm);
-
- WARNING("no large enough working area available, can't do block memory writes");
- return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
- }
- }
-
- armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC;
- armv4_5_info.core_mode = ARMV4_5_MODE_SVC;
- armv4_5_info.core_state = ARMV4_5_STATE_ARM;
-
- init_reg_param(®_params[0], "r0", 32, PARAM_OUT);
- init_reg_param(®_params[1], "r1", 32, PARAM_OUT);
- init_reg_param(®_params[2], "r2", 32, PARAM_OUT);
- init_reg_param(®_params[3], "r3", 32, PARAM_OUT);
- init_reg_param(®_params[4], "r4", 32, PARAM_IN);
- init_reg_param(®_params[5], "r5", 32, PARAM_OUT);
-
- while (count > 0)
- {
- u32 thisrun_count = (count > (buffer_size / 8)) ? (buffer_size / 8) : count;
-
- target_write_buffer(target, source->address, thisrun_count * 8, buffer);
-
- buf_set_u32(reg_params[0].value, 0, 32, source->address);
- buf_set_u32(reg_params[1].value, 0, 32, address);
- buf_set_u32(reg_params[2].value, 0, 32, str7x_get_flash_adr(bank, FLASH_CR0));
- buf_set_u32(reg_params[3].value, 0, 32, thisrun_count);
- buf_set_u32(reg_params[5].value, 0, 32, str7x_info->busy_bits);
-
- if ((retval = target->type->run_algorithm(target, 0, NULL, 6, reg_params, str7x_info->write_algorithm->address, str7x_info->write_algorithm->address + (19 * 4), 10000, &armv4_5_info)) != ERROR_OK)
- {
- ERROR("error executing str7x flash write algorithm");
- break;
- }
-
- if (buf_get_u32(reg_params[4].value, 0, 32) != 0x00)
- {
- retval = ERROR_FLASH_OPERATION_FAILED;
- break;
- }
-
- buffer += thisrun_count * 8;
- address += thisrun_count * 8;
- count -= thisrun_count;
- }
-
- target_free_working_area(target, source);
- target_free_working_area(target, str7x_info->write_algorithm);
-
- destroy_reg_param(®_params[0]);
- destroy_reg_param(®_params[1]);
- destroy_reg_param(®_params[2]);
- destroy_reg_param(®_params[3]);
- destroy_reg_param(®_params[4]);
- destroy_reg_param(®_params[5]);
-
- return retval;
-}
-
-int str7x_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
-{
- target_t *target = bank->target;
- str7x_flash_bank_t *str7x_info = bank->driver_priv;
- u32 dwords_remaining = (count / 8);
- u32 bytes_remaining = (count & 0x00000007);
- u32 address = bank->base + offset;
- u32 bytes_written = 0;
- u32 cmd;
- u32 retval;
- u32 check_address = offset;
- int i;
-
- if (bank->target->state != TARGET_HALTED)
- {
- return ERROR_TARGET_NOT_HALTED;
- }
-
- 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 (check_address != offset + count)
- return ERROR_FLASH_DST_OUT_OF_BANK;
-
- /* clear FLASH_ER register */
- target_write_u32(target, str7x_get_flash_adr(bank, FLASH_ER), 0x0);
-
- /* multiple dwords (8-byte) to be programmed? */
- if (dwords_remaining > 0)
- {
- /* try using a block write */
- if ((retval = str7x_write_block(bank, buffer, offset, dwords_remaining)) != ERROR_OK)
- {
- if (retval == ERROR_TARGET_RESOURCE_NOT_AVAILABLE)
- {
- /* if block write failed (no sufficient working area),
- * we use normal (slow) single dword accesses */
- WARNING("couldn't use block writes, falling back to single memory accesses");
- }
- else if (retval == ERROR_FLASH_OPERATION_FAILED)
- {
- /* if an error occured, we examine the reason, and quit */
- retval = str7x_result(bank);
-
- ERROR("flash writing failed with error code: 0x%x", retval);
- return ERROR_FLASH_OPERATION_FAILED;
- }
- }
- else
- {
- buffer += dwords_remaining * 8;
- address += dwords_remaining * 8;
- dwords_remaining = 0;
- }
- }
-
- while (dwords_remaining > 0)
- {
- // command
- cmd = FLASH_DWPG;
- target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), cmd);
-
- // address
- target_write_u32(target, str7x_get_flash_adr(bank, FLASH_AR), address);
-
- // data word 1
- target->type->write_memory(target, str7x_get_flash_adr(bank, FLASH_DR0), 4, 1, buffer + bytes_written);
- bytes_written += 4;
-
- // data word 2
- target->type->write_memory(target, str7x_get_flash_adr(bank, FLASH_DR1), 4, 1, buffer + bytes_written);
- bytes_written += 4;
-
- /* start programming cycle */
- cmd = FLASH_DWPG | FLASH_WMS;
- target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), cmd);
-
- while (((retval = str7x_status(bank)) & str7x_info->busy_bits))
- {
- usleep(1000);
- }
-
- retval = str7x_result(bank);
-
- if (retval & FLASH_PGER)
- return ERROR_FLASH_OPERATION_FAILED;
- else if (retval & FLASH_WPF)
- return ERROR_FLASH_OPERATION_FAILED;
-
- dwords_remaining--;
- address += 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++;
- }
-
- // command
- cmd = FLASH_DWPG;
- target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), cmd);
-
- // address
- target_write_u32(target, str7x_get_flash_adr(bank, FLASH_AR), address);
-
- // data word 1
- target->type->write_memory(target, str7x_get_flash_adr(bank, FLASH_DR0), 4, 1, last_dword);
- bytes_written += 4;
-
- // data word 2
- target->type->write_memory(target, str7x_get_flash_adr(bank, FLASH_DR1), 4, 1, last_dword + 4);
- bytes_written += 4;
-
- /* start programming cycle */
- cmd = FLASH_DWPG | FLASH_WMS;
- target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), cmd);
-
- while (((retval = str7x_status(bank)) & str7x_info->busy_bits))
- {
- usleep(1000);
- }
-
- retval = str7x_result(bank);
-
- if (retval & FLASH_PGER)
- return ERROR_FLASH_OPERATION_FAILED;
- else if (retval & FLASH_WPF)
- return ERROR_FLASH_OPERATION_FAILED;
- }
-
- return ERROR_OK;
-}
-
-int str7x_probe(struct flash_bank_s *bank)
-{
- return ERROR_OK;
-}
-
-int str7x_handle_part_id_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- return ERROR_OK;
-}
-
-int str7x_erase_check(struct flash_bank_s *bank)
-{
- return str7x_blank_check(bank, 0, bank->num_sectors - 1);
-}
-
-int str7x_info(struct flash_bank_s *bank, char *buf, int buf_size)
-{
- snprintf(buf, buf_size, "str7x flash driver info" );
- return ERROR_OK;
-}
-
-int str7x_handle_disable_jtag_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- flash_bank_t *bank;
- target_t *target = NULL;
- str7x_flash_bank_t *str7x_info = NULL;
-
- u32 flash_cmd;
- u32 retval;
- u16 ProtectionLevel = 0;
- u16 ProtectionRegs;
-
- if (argc < 1)
- {
- command_print(cmd_ctx, "str7x disable_jtag <bank>");
- return ERROR_OK;
- }
-
- bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
- if (!bank)
- {
- command_print(cmd_ctx, "str7x disable_jtag <bank> ok");
- return ERROR_OK;
- }
-
- str7x_info = bank->driver_priv;
-
- target = bank->target;
-
- if (target->state != TARGET_HALTED)
- {
- return ERROR_TARGET_NOT_HALTED;
- }
-
- /* first we get protection status */
- target_read_u32(target, str7x_get_flash_adr(bank, FLASH_NVAPR0), &retval);
-
- if (!(retval & str7x_info->disable_bit))
- {
- ProtectionLevel = 1;
- }
-
- target_read_u32(target, str7x_get_flash_adr(bank, FLASH_NVAPR1), &retval);
- ProtectionRegs = ~(retval >> 16);
-
- while (((ProtectionRegs) != 0) && (ProtectionLevel < 16))
- {
- ProtectionRegs >>= 1;
- ProtectionLevel++;
- }
-
- if (ProtectionLevel == 0)
- {
- flash_cmd = FLASH_SPR;
- target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), flash_cmd);
- target_write_u32(target, str7x_get_flash_adr(bank, FLASH_AR), 0x4010DFB8);
- target_write_u32(target, str7x_get_flash_adr(bank, FLASH_DR0), 0xFFFFFFFD);
- flash_cmd = FLASH_SPR | FLASH_WMS;
- target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), flash_cmd);
- }
- else
- {
- flash_cmd = FLASH_SPR;
- target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), flash_cmd);
- target_write_u32(target, str7x_get_flash_adr(bank, FLASH_AR), 0x4010DFBC);
- target_write_u32(target, str7x_get_flash_adr(bank, FLASH_DR0), ~(1<<(15+ProtectionLevel)));
- flash_cmd = FLASH_SPR | FLASH_WMS;
- target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), flash_cmd);
- }
-
- 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 "str7x.h"\r
+#include "flash.h"\r
+#include "target.h"\r
+#include "log.h"\r
+#include "armv4_5.h"\r
+#include "algorithm.h"\r
+#include "binarybuffer.h"\r
+\r
+#include <stdlib.h>\r
+#include <string.h>\r
+#include <unistd.h>\r
+\r
+str7x_mem_layout_t mem_layout[] = {\r
+ {0x00000000, 0x02000, 0x01},\r
+ {0x00002000, 0x02000, 0x02},\r
+ {0x00004000, 0x02000, 0x04},\r
+ {0x00006000, 0x02000, 0x08},\r
+ {0x00008000, 0x08000, 0x10},\r
+ {0x00010000, 0x10000, 0x20},\r
+ {0x00020000, 0x10000, 0x40},\r
+ {0x00030000, 0x10000, 0x80},\r
+ {0x000C0000, 0x02000, 0x10000},\r
+ {0x000C2000, 0x02000, 0x20000},\r
+};\r
+\r
+int str7x_register_commands(struct command_context_s *cmd_ctx);\r
+int str7x_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);\r
+int str7x_erase(struct flash_bank_s *bank, int first, int last);\r
+int str7x_protect(struct flash_bank_s *bank, int set, int first, int last);\r
+int str7x_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count);\r
+int str7x_probe(struct flash_bank_s *bank);\r
+int str7x_handle_part_id_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);\r
+int str7x_protect_check(struct flash_bank_s *bank);\r
+int str7x_erase_check(struct flash_bank_s *bank);\r
+int str7x_info(struct flash_bank_s *bank, char *buf, int buf_size);\r
+\r
+int str7x_handle_disable_jtag_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);\r
+\r
+flash_driver_t str7x_flash =\r
+{\r
+ .name = "str7x",\r
+ .register_commands = str7x_register_commands,\r
+ .flash_bank_command = str7x_flash_bank_command,\r
+ .erase = str7x_erase,\r
+ .protect = str7x_protect,\r
+ .write = str7x_write,\r
+ .probe = str7x_probe,\r
+ .auto_probe = str7x_probe,\r
+ .erase_check = str7x_erase_check,\r
+ .protect_check = str7x_protect_check,\r
+ .info = str7x_info\r
+};\r
+\r
+int str7x_register_commands(struct command_context_s *cmd_ctx)\r
+{\r
+ command_t *str7x_cmd = register_command(cmd_ctx, NULL, "str7x", NULL, COMMAND_ANY, NULL);\r
+ \r
+ register_command(cmd_ctx, str7x_cmd, "disable_jtag", str7x_handle_disable_jtag_command, COMMAND_EXEC,\r
+ "disable jtag access");\r
+ \r
+ return ERROR_OK;\r
+}\r
+\r
+int str7x_get_flash_adr(struct flash_bank_s *bank, u32 reg)\r
+{\r
+ return (bank->base | reg);\r
+}\r
+\r
+int str7x_build_block_list(struct flash_bank_s *bank)\r
+{\r
+ str7x_flash_bank_t *str7x_info = bank->driver_priv;\r
+\r
+ int i;\r
+ int num_sectors = 0, b0_sectors = 0, b1_sectors = 0;\r
+ \r
+ switch (bank->size)\r
+ {\r
+ case 16 * 1024:\r
+ b0_sectors = 2;\r
+ break;\r
+ case 64 * 1024:\r
+ b0_sectors = 5;\r
+ break;\r
+ case 128 * 1024:\r
+ b0_sectors = 6;\r
+ break;\r
+ case 256 * 1024:\r
+ b0_sectors = 8;\r
+ break;\r
+ default:\r
+ ERROR("BUG: unknown bank->size encountered");\r
+ exit(-1);\r
+ }\r
+ \r
+ if( str7x_info->bank1 == 1 )\r
+ {\r
+ b1_sectors += 2;\r
+ }\r
+ \r
+ num_sectors = b0_sectors + b1_sectors;\r
+ \r
+ bank->num_sectors = num_sectors;\r
+ bank->sectors = malloc(sizeof(flash_sector_t) * num_sectors);\r
+ str7x_info->sector_bits = malloc(sizeof(u32) * num_sectors);\r
+ str7x_info->sector_bank = 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[i].sector_start;\r
+ bank->sectors[num_sectors].size = mem_layout[i].sector_size;\r
+ bank->sectors[num_sectors].is_erased = -1;\r
+ bank->sectors[num_sectors].is_protected = 1;\r
+ str7x_info->sector_bank[num_sectors] = 0;\r
+ str7x_info->sector_bits[num_sectors++] = mem_layout[i].sector_bit;\r
+ }\r
+ \r
+ if (b1_sectors)\r
+ {\r
+ for (i = 8; i < 10; i++)\r
+ {\r
+ bank->sectors[num_sectors].offset = mem_layout[i].sector_start;\r
+ bank->sectors[num_sectors].size = mem_layout[i].sector_size;\r
+ bank->sectors[num_sectors].is_erased = -1;\r
+ bank->sectors[num_sectors].is_protected = 1;\r
+ str7x_info->sector_bank[num_sectors] = 1;\r
+ str7x_info->sector_bits[num_sectors++] = mem_layout[i].sector_bit;\r
+ }\r
+ }\r
+ \r
+ return ERROR_OK;\r
+}\r
+\r
+/* flash bank str7x <base> <size> 0 0 <target#> <str71_variant>\r
+ */\r
+int str7x_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank)\r
+{\r
+ str7x_flash_bank_t *str7x_info;\r
+ \r
+ if (argc < 7)\r
+ {\r
+ WARNING("incomplete flash_bank str7x configuration");\r
+ return ERROR_FLASH_BANK_INVALID;\r
+ }\r
+ \r
+ str7x_info = malloc(sizeof(str7x_flash_bank_t));\r
+ bank->driver_priv = str7x_info;\r
+ \r
+ /* set default bits for str71x flash */\r
+ str7x_info->bank1 = 1;\r
+ str7x_info->busy_bits = (FLASH_LOCK|FLASH_BSYA1|FLASH_BSYA0);\r
+ str7x_info->disable_bit = (1<<1);\r
+ \r
+ if (strcmp(args[6], "STR71x") == 0)\r
+ {\r
+ if (bank->base != 0x40000000)\r
+ {\r
+ WARNING("overriding flash base address for STR71x device with 0x40000000");\r
+ bank->base = 0x40000000;\r
+ }\r
+ }\r
+ else if (strcmp(args[6], "STR73x") == 0)\r
+ {\r
+ str7x_info->bank1 = 0;\r
+ str7x_info->busy_bits = (FLASH_LOCK|FLASH_BSYA0);\r
+ \r
+ if (bank->base != 0x80000000)\r
+ {\r
+ WARNING("overriding flash base address for STR73x device with 0x80000000");\r
+ bank->base = 0x80000000;\r
+ }\r
+ }\r
+ else if (strcmp(args[6], "STR75x") == 0)\r
+ {\r
+ str7x_info->disable_bit = (1<<0);\r
+ \r
+ if (bank->base != 0x20000000)\r
+ {\r
+ WARNING("overriding flash base address for STR75x device with 0x20000000");\r
+ bank->base = 0x20000000;\r
+ }\r
+ }\r
+ else\r
+ {\r
+ ERROR("unknown STR7x variant: '%s'", args[6]);\r
+ free(str7x_info);\r
+ return ERROR_FLASH_BANK_INVALID;\r
+ }\r
+\r
+ str7x_build_block_list(bank);\r
+ \r
+ str7x_info->write_algorithm = NULL;\r
+ \r
+ return ERROR_OK;\r
+}\r
+\r
+u32 str7x_status(struct flash_bank_s *bank)\r
+{\r
+ target_t *target = bank->target;\r
+ u32 retval;\r
+\r
+ target_read_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), &retval);\r
+\r
+ return retval;\r
+}\r
+\r
+u32 str7x_result(struct flash_bank_s *bank)\r
+{\r
+ target_t *target = bank->target;\r
+ u32 retval;\r
+\r
+ target_read_u32(target, str7x_get_flash_adr(bank, FLASH_ER), &retval);\r
+ \r
+ return retval;\r
+}\r
+\r
+int str7x_blank_check(struct flash_bank_s *bank, int first, int last)\r
+{\r
+ target_t *target = bank->target;\r
+ u8 *buffer;\r
+ int i;\r
+ int nBytes;\r
+ \r
+ if ((first < 0) || (last > bank->num_sectors))\r
+ return ERROR_FLASH_SECTOR_INVALID;\r
+\r
+ if (bank->target->state != TARGET_HALTED)\r
+ {\r
+ return ERROR_TARGET_NOT_HALTED;\r
+ }\r
+ \r
+ buffer = malloc(256);\r
+ \r
+ for (i = first; i <= last; i++)\r
+ {\r
+ bank->sectors[i].is_erased = 1;\r
+\r
+ target->type->read_memory(target, bank->base + bank->sectors[i].offset, 4, 256/4, buffer);\r
+ \r
+ for (nBytes = 0; nBytes < 256; nBytes++)\r
+ {\r
+ if (buffer[nBytes] != 0xFF)\r
+ {\r
+ bank->sectors[i].is_erased = 0;\r
+ break;\r
+ }\r
+ } \r
+ }\r
+ \r
+ free(buffer);\r
+\r
+ return ERROR_OK;\r
+}\r
+\r
+int str7x_protect_check(struct flash_bank_s *bank)\r
+{\r
+ str7x_flash_bank_t *str7x_info = bank->driver_priv;\r
+ target_t *target = bank->target;\r
+ \r
+ int i;\r
+ u32 retval;\r
+\r
+ if (bank->target->state != TARGET_HALTED)\r
+ {\r
+ return ERROR_TARGET_NOT_HALTED;\r
+ }\r
+\r
+ target_read_u32(target, str7x_get_flash_adr(bank, FLASH_NVWPAR), &retval);\r
+\r
+ for (i = 0; i < bank->num_sectors; i++)\r
+ {\r
+ if (retval & str7x_info->sector_bits[i])\r
+ bank->sectors[i].is_protected = 0;\r
+ else\r
+ bank->sectors[i].is_protected = 1;\r
+ }\r
+\r
+ return ERROR_OK;\r
+}\r
+\r
+int str7x_erase(struct flash_bank_s *bank, int first, int last)\r
+{\r
+ str7x_flash_bank_t *str7x_info = bank->driver_priv;\r
+ target_t *target = bank->target;\r
+ \r
+ int i;\r
+ u32 cmd;\r
+ u32 retval;\r
+ u32 b0_sectors = 0, b1_sectors = 0;\r
+ \r
+ for (i = first; i <= last; i++)\r
+ {\r
+ if (str7x_info->sector_bank[i] == 0)\r
+ b0_sectors |= str7x_info->sector_bits[i];\r
+ else if (str7x_info->sector_bank[i] == 1)\r
+ b1_sectors |= str7x_info->sector_bits[i];\r
+ else\r
+ ERROR("BUG: str7x_info->sector_bank[i] neither 0 nor 1 (%i)", str7x_info->sector_bank[i]);\r
+ }\r
+ \r
+ if (b0_sectors)\r
+ {\r
+ DEBUG("b0_sectors: 0x%x", b0_sectors);\r
+ \r
+ /* clear FLASH_ER register */ \r
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_ER), 0x0);\r
+ \r
+ cmd = FLASH_SER;\r
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), cmd);\r
+ \r
+ cmd = b0_sectors;\r
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR1), cmd);\r
+ \r
+ cmd = FLASH_SER|FLASH_WMS;\r
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), cmd);\r
+ \r
+ while (((retval = str7x_status(bank)) & str7x_info->busy_bits)){\r
+ usleep(1000);\r
+ }\r
+ \r
+ retval = str7x_result(bank);\r
+ \r
+ if (retval)\r
+ {\r
+ ERROR("error erasing flash bank, FLASH_ER: 0x%x", retval);\r
+ return ERROR_FLASH_OPERATION_FAILED;\r
+ }\r
+ }\r
+ \r
+ if (b1_sectors)\r
+ {\r
+ DEBUG("b1_sectors: 0x%x", b1_sectors);\r
+ \r
+ /* clear FLASH_ER register */ \r
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_ER), 0x0);\r
+ \r
+ cmd = FLASH_SER;\r
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), cmd);\r
+ \r
+ cmd = b1_sectors;\r
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR1), cmd);\r
+ \r
+ cmd = FLASH_SER|FLASH_WMS;\r
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), cmd);\r
+ \r
+ while (((retval = str7x_status(bank)) & str7x_info->busy_bits)){\r
+ usleep(1000);\r
+ }\r
+ \r
+ retval = str7x_result(bank);\r
+ \r
+ if (retval)\r
+ {\r
+ ERROR("error erasing flash bank, FLASH_ER: 0x%x", retval);\r
+ return ERROR_FLASH_OPERATION_FAILED;\r
+ }\r
+ }\r
+ \r
+ for (i = first; i <= last; i++)\r
+ bank->sectors[i].is_erased = 1;\r
+\r
+ return ERROR_OK;\r
+}\r
+\r
+int str7x_protect(struct flash_bank_s *bank, int set, int first, int last)\r
+{\r
+ str7x_flash_bank_t *str7x_info = bank->driver_priv;\r
+ target_t *target = bank->target;\r
+ int i;\r
+ u32 cmd;\r
+ u32 retval;\r
+ u32 protect_blocks;\r
+ \r
+ if (bank->target->state != TARGET_HALTED)\r
+ {\r
+ return ERROR_TARGET_NOT_HALTED;\r
+ }\r
+ \r
+ protect_blocks = 0xFFFFFFFF;\r
+\r
+ if (set)\r
+ {\r
+ for (i = first; i <= last; i++)\r
+ protect_blocks &= ~(str7x_info->sector_bits[i]);\r
+ }\r
+ \r
+ /* clear FLASH_ER register */ \r
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_ER), 0x0);\r
+\r
+ cmd = FLASH_SPR;\r
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), cmd);\r
+ \r
+ cmd = str7x_get_flash_adr(bank, FLASH_NVWPAR);\r
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_AR), cmd);\r
+ \r
+ cmd = protect_blocks;\r
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_DR0), cmd);\r
+ \r
+ cmd = FLASH_SPR|FLASH_WMS;\r
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), cmd);\r
+ \r
+ while (((retval = str7x_status(bank)) & str7x_info->busy_bits)){\r
+ usleep(1000);\r
+ }\r
+ \r
+ retval = str7x_result(bank);\r
+ \r
+ DEBUG("retval: 0x%8.8x", retval);\r
+ \r
+ if (retval & FLASH_ERER)\r
+ return ERROR_FLASH_SECTOR_NOT_ERASED;\r
+ else if (retval & FLASH_WPF)\r
+ return ERROR_FLASH_OPERATION_FAILED;\r
+\r
+ return ERROR_OK;\r
+}\r
+\r
+int str7x_write_block(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)\r
+{\r
+ str7x_flash_bank_t *str7x_info = bank->driver_priv;\r
+ target_t *target = bank->target;\r
+ u32 buffer_size = 8192;\r
+ working_area_t *source;\r
+ u32 address = bank->base + offset;\r
+ reg_param_t reg_params[6];\r
+ armv4_5_algorithm_t armv4_5_info;\r
+ int retval = ERROR_OK;\r
+ \r
+ u32 str7x_flash_write_code[] = {\r
+ /* write: */\r
+ 0xe3a04201, /* mov r4, #0x10000000 */\r
+ 0xe5824000, /* str r4, [r2, #0x0] */\r
+ 0xe5821010, /* str r1, [r2, #0x10] */\r
+ 0xe4904004, /* ldr r4, [r0], #4 */\r
+ 0xe5824008, /* str r4, [r2, #0x8] */\r
+ 0xe4904004, /* ldr r4, [r0], #4 */\r
+ 0xe582400c, /* str r4, [r2, #0xc] */\r
+ 0xe3a04209, /* mov r4, #0x90000000 */\r
+ 0xe5824000, /* str r4, [r2, #0x0] */\r
+ /* busy: */\r
+ 0xe5924000, /* ldr r4, [r2, #0x0] */\r
+ 0xe1140005, /* tst r4, r5 */\r
+ 0x1afffffc, /* bne busy */\r
+ 0xe5924014, /* ldr r4, [r2, #0x14] */\r
+ 0xe31400ff, /* tst r4, #0xff */\r
+ 0x03140c01, /* tsteq r4, #0x100 */\r
+ 0x1a000002, /* bne exit */\r
+ 0xe2811008, /* add r1, r1, #0x8 */\r
+ 0xe2533001, /* subs r3, r3, #1 */\r
+ 0x1affffec, /* bne write */\r
+ /* exit: */\r
+ 0xeafffffe, /* b exit */\r
+ };\r
+ \r
+ /* flash write code */\r
+ if (target_alloc_working_area(target, 4 * 20, &str7x_info->write_algorithm) != ERROR_OK)\r
+ {\r
+ WARNING("no working area available, can't do block memory writes");\r
+ return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;\r
+ };\r
+ \r
+ target_write_buffer(target, str7x_info->write_algorithm->address, 20 * 4, (u8*)str7x_flash_write_code);\r
+\r
+ /* memory buffer */\r
+ while (target_alloc_working_area(target, buffer_size, &source) != ERROR_OK)\r
+ {\r
+ buffer_size /= 2;\r
+ if (buffer_size <= 256)\r
+ {\r
+ /* if we already allocated the writing code, but failed to get a buffer, free the algorithm */\r
+ if (str7x_info->write_algorithm)\r
+ target_free_working_area(target, str7x_info->write_algorithm);\r
+ \r
+ WARNING("no large enough working area available, can't do block memory writes");\r
+ return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;\r
+ }\r
+ }\r
+ \r
+ armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC;\r
+ armv4_5_info.core_mode = ARMV4_5_MODE_SVC;\r
+ armv4_5_info.core_state = ARMV4_5_STATE_ARM;\r
+ \r
+ init_reg_param(®_params[0], "r0", 32, PARAM_OUT);\r
+ init_reg_param(®_params[1], "r1", 32, PARAM_OUT);\r
+ init_reg_param(®_params[2], "r2", 32, PARAM_OUT);\r
+ init_reg_param(®_params[3], "r3", 32, PARAM_OUT);\r
+ init_reg_param(®_params[4], "r4", 32, PARAM_IN);\r
+ init_reg_param(®_params[5], "r5", 32, PARAM_OUT);\r
+ \r
+ while (count > 0)\r
+ {\r
+ u32 thisrun_count = (count > (buffer_size / 8)) ? (buffer_size / 8) : count;\r
+ \r
+ target_write_buffer(target, source->address, thisrun_count * 8, buffer);\r
+ \r
+ buf_set_u32(reg_params[0].value, 0, 32, source->address);\r
+ buf_set_u32(reg_params[1].value, 0, 32, address);\r
+ buf_set_u32(reg_params[2].value, 0, 32, str7x_get_flash_adr(bank, FLASH_CR0));\r
+ buf_set_u32(reg_params[3].value, 0, 32, thisrun_count);\r
+ buf_set_u32(reg_params[5].value, 0, 32, str7x_info->busy_bits);\r
+ \r
+ if ((retval = target->type->run_algorithm(target, 0, NULL, 6, reg_params, str7x_info->write_algorithm->address, str7x_info->write_algorithm->address + (19 * 4), 10000, &armv4_5_info)) != ERROR_OK)\r
+ {\r
+ ERROR("error executing str7x flash write algorithm");\r
+ break;\r
+ }\r
+ \r
+ if (buf_get_u32(reg_params[4].value, 0, 32) != 0x00)\r
+ {\r
+ retval = ERROR_FLASH_OPERATION_FAILED;\r
+ break;\r
+ }\r
+ \r
+ buffer += thisrun_count * 8;\r
+ address += thisrun_count * 8;\r
+ count -= thisrun_count;\r
+ }\r
+ \r
+ target_free_working_area(target, source);\r
+ target_free_working_area(target, str7x_info->write_algorithm);\r
+ \r
+ destroy_reg_param(®_params[0]);\r
+ destroy_reg_param(®_params[1]);\r
+ destroy_reg_param(®_params[2]);\r
+ destroy_reg_param(®_params[3]);\r
+ destroy_reg_param(®_params[4]);\r
+ destroy_reg_param(®_params[5]);\r
+ \r
+ return retval;\r
+}\r
+\r
+int str7x_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)\r
+{\r
+ target_t *target = bank->target;\r
+ str7x_flash_bank_t *str7x_info = bank->driver_priv;\r
+ u32 dwords_remaining = (count / 8);\r
+ u32 bytes_remaining = (count & 0x00000007);\r
+ u32 address = bank->base + offset;\r
+ u32 bytes_written = 0;\r
+ u32 cmd;\r
+ u32 retval;\r
+ u32 check_address = offset;\r
+ int i;\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
+ \r
+ if (check_address != offset + count)\r
+ return ERROR_FLASH_DST_OUT_OF_BANK;\r
+ \r
+ /* clear FLASH_ER register */ \r
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_ER), 0x0);\r
+\r
+ /* multiple dwords (8-byte) to be programmed? */\r
+ if (dwords_remaining > 0) \r
+ {\r
+ /* try using a block write */\r
+ if ((retval = str7x_write_block(bank, buffer, offset, dwords_remaining)) != ERROR_OK)\r
+ {\r
+ if (retval == ERROR_TARGET_RESOURCE_NOT_AVAILABLE)\r
+ {\r
+ /* if block write failed (no sufficient working area),\r
+ * we use normal (slow) single dword accesses */ \r
+ WARNING("couldn't use block writes, falling back to single memory accesses");\r
+ }\r
+ else if (retval == ERROR_FLASH_OPERATION_FAILED)\r
+ {\r
+ /* if an error occured, we examine the reason, and quit */\r
+ retval = str7x_result(bank);\r
+ \r
+ ERROR("flash writing failed with error code: 0x%x", retval);\r
+ return ERROR_FLASH_OPERATION_FAILED;\r
+ }\r
+ }\r
+ else\r
+ {\r
+ buffer += dwords_remaining * 8;\r
+ address += dwords_remaining * 8;\r
+ dwords_remaining = 0;\r
+ }\r
+ }\r
+\r
+ while (dwords_remaining > 0)\r
+ {\r
+ // command\r
+ cmd = FLASH_DWPG;\r
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), cmd);\r
+ \r
+ // address\r
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_AR), address);\r
+ \r
+ // data word 1\r
+ target->type->write_memory(target, str7x_get_flash_adr(bank, FLASH_DR0), 4, 1, buffer + bytes_written);\r
+ bytes_written += 4;\r
+ \r
+ // data word 2\r
+ target->type->write_memory(target, str7x_get_flash_adr(bank, FLASH_DR1), 4, 1, buffer + bytes_written);\r
+ bytes_written += 4;\r
+ \r
+ /* start programming cycle */\r
+ cmd = FLASH_DWPG | FLASH_WMS;\r
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), cmd);\r
+ \r
+ while (((retval = str7x_status(bank)) & str7x_info->busy_bits))\r
+ {\r
+ usleep(1000);\r
+ }\r
+ \r
+ retval = str7x_result(bank);\r
+ \r
+ if (retval & FLASH_PGER)\r
+ return ERROR_FLASH_OPERATION_FAILED;\r
+ else if (retval & FLASH_WPF)\r
+ return ERROR_FLASH_OPERATION_FAILED;\r
+\r
+ dwords_remaining--;\r
+ address += 8;\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
+ // command\r
+ cmd = FLASH_DWPG;\r
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), cmd);\r
+ \r
+ // address\r
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_AR), address);\r
+ \r
+ // data word 1\r
+ target->type->write_memory(target, str7x_get_flash_adr(bank, FLASH_DR0), 4, 1, last_dword);\r
+ bytes_written += 4;\r
+ \r
+ // data word 2\r
+ target->type->write_memory(target, str7x_get_flash_adr(bank, FLASH_DR1), 4, 1, last_dword + 4);\r
+ bytes_written += 4;\r
+ \r
+ /* start programming cycle */\r
+ cmd = FLASH_DWPG | FLASH_WMS;\r
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), cmd);\r
+ \r
+ while (((retval = str7x_status(bank)) & str7x_info->busy_bits))\r
+ {\r
+ usleep(1000);\r
+ }\r
+ \r
+ retval = str7x_result(bank);\r
+ \r
+ if (retval & FLASH_PGER)\r
+ return ERROR_FLASH_OPERATION_FAILED;\r
+ else if (retval & FLASH_WPF)\r
+ return ERROR_FLASH_OPERATION_FAILED;\r
+ }\r
+ \r
+ return ERROR_OK;\r
+}\r
+\r
+int str7x_probe(struct flash_bank_s *bank)\r
+{\r
+ return ERROR_OK;\r
+}\r
+\r
+int str7x_handle_part_id_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
+{\r
+ return ERROR_OK;\r
+}\r
+\r
+int str7x_erase_check(struct flash_bank_s *bank)\r
+{\r
+ return str7x_blank_check(bank, 0, bank->num_sectors - 1);\r
+}\r
+\r
+int str7x_info(struct flash_bank_s *bank, char *buf, int buf_size)\r
+{\r
+ snprintf(buf, buf_size, "str7x flash driver info" );\r
+ return ERROR_OK;\r
+}\r
+\r
+int str7x_handle_disable_jtag_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)\r
+{\r
+ flash_bank_t *bank;\r
+ target_t *target = NULL;\r
+ str7x_flash_bank_t *str7x_info = NULL;\r
+ \r
+ u32 flash_cmd;\r
+ u32 retval;\r
+ u16 ProtectionLevel = 0;\r
+ u16 ProtectionRegs;\r
+ \r
+ if (argc < 1)\r
+ {\r
+ command_print(cmd_ctx, "str7x disable_jtag <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, "str7x disable_jtag <bank> ok");\r
+ return ERROR_OK;\r
+ }\r
+ \r
+ str7x_info = bank->driver_priv;\r
+ \r
+ target = bank->target;\r
+ \r
+ if (target->state != TARGET_HALTED)\r
+ {\r
+ return ERROR_TARGET_NOT_HALTED;\r
+ }\r
+ \r
+ /* first we get protection status */\r
+ target_read_u32(target, str7x_get_flash_adr(bank, FLASH_NVAPR0), &retval);\r
+\r
+ if (!(retval & str7x_info->disable_bit))\r
+ {\r
+ ProtectionLevel = 1;\r
+ }\r
+ \r
+ target_read_u32(target, str7x_get_flash_adr(bank, FLASH_NVAPR1), &retval);\r
+ ProtectionRegs = ~(retval >> 16);\r
+\r
+ while (((ProtectionRegs) != 0) && (ProtectionLevel < 16))\r
+ {\r
+ ProtectionRegs >>= 1;\r
+ ProtectionLevel++;\r
+ }\r
+ \r
+ if (ProtectionLevel == 0)\r
+ {\r
+ flash_cmd = FLASH_SPR;\r
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), flash_cmd);\r
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_AR), 0x4010DFB8);\r
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_DR0), 0xFFFFFFFD);\r
+ flash_cmd = FLASH_SPR | FLASH_WMS;\r
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), flash_cmd);\r
+ }\r
+ else\r
+ {\r
+ flash_cmd = FLASH_SPR;\r
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), flash_cmd);\r
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_AR), 0x4010DFBC);\r
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_DR0), ~(1<<(15+ProtectionLevel)));\r
+ flash_cmd = FLASH_SPR | FLASH_WMS;\r
+ target_write_u32(target, str7x_get_flash_adr(bank, FLASH_CR0), flash_cmd);\r
+ }\r
+ \r
+ return ERROR_OK;\r
+}\r
+\r
Code Review / openocd.git / blobdiff