|
- /***************************************************************************
- * Copyright (C) 2005 by Dominic Rath *
- * Dominic.Rath@gmx.de *
- * *
- * Copyright (C) 2007,2008 Øyvind Harboe *
- * oyvind.harboe@zylin.com *
- * *
- * Copyright (C) 2008 by Spencer Oliver *
- * spen@spen-soft.co.uk *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
- ***************************************************************************/
- #ifdef HAVE_CONFIG_H
- #include "config.h"
- #endif
-
- #include "flash.h"
- #include "common.h"
- #include "image.h"
- #include "time_support.h"
-
- static int flash_write_unlock(struct target *target, struct image *image, uint32_t *written, int erase, bool unlock);
-
- /* flash drivers
- */
- extern struct flash_driver lpc2000_flash;
- extern struct flash_driver lpc288x_flash;
- extern struct flash_driver lpc2900_flash;
- extern struct flash_driver cfi_flash;
- extern struct flash_driver at91sam3_flash;
- extern struct flash_driver at91sam7_flash;
- extern struct flash_driver str7x_flash;
- extern struct flash_driver str9x_flash;
- extern struct flash_driver aduc702x_flash;
- extern struct flash_driver stellaris_flash;
- extern struct flash_driver str9xpec_flash;
- extern struct flash_driver stm32x_flash;
- extern struct flash_driver tms470_flash;
- extern struct flash_driver ecosflash_flash;
- extern struct flash_driver ocl_flash;
- extern struct flash_driver pic32mx_flash;
- extern struct flash_driver avr_flash;
- extern struct flash_driver faux_flash;
-
- struct flash_driver *flash_drivers[] = {
- &lpc2000_flash,
- &lpc288x_flash,
- &lpc2900_flash,
- &cfi_flash,
- &at91sam7_flash,
- &at91sam3_flash,
- &str7x_flash,
- &str9x_flash,
- &aduc702x_flash,
- &stellaris_flash,
- &str9xpec_flash,
- &stm32x_flash,
- &tms470_flash,
- &ecosflash_flash,
- &ocl_flash,
- &pic32mx_flash,
- &avr_flash,
- &faux_flash,
- NULL,
- };
-
- struct flash_bank *flash_banks;
-
- /* wafer thin wrapper for invoking the flash driver */
- static int flash_driver_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
- {
- int retval;
-
- retval = bank->driver->write(bank, buffer, offset, count);
- if (retval != ERROR_OK)
- {
- LOG_ERROR("error writing to flash at address 0x%08" PRIx32 " at offset 0x%8.8" PRIx32 " (%d)",
- bank->base, offset, retval);
- }
-
- return retval;
- }
-
- static int flash_driver_erase(struct flash_bank *bank, int first, int last)
- {
- int retval;
-
- retval = bank->driver->erase(bank, first, last);
- if (retval != ERROR_OK)
- {
- LOG_ERROR("failed erasing sectors %d to %d (%d)", first, last, retval);
- }
-
- return retval;
- }
-
- int flash_driver_protect(struct flash_bank *bank, int set, int first, int last)
- {
- int retval;
-
- retval = bank->driver->protect(bank, set, first, last);
- if (retval != ERROR_OK)
- {
- LOG_ERROR("failed setting protection for areas %d to %d (%d)", first, last, retval);
- }
-
- return retval;
- }
-
- static int jim_flash_banks(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
- {
- struct flash_bank *p;
-
- if (argc != 1) {
- Jim_WrongNumArgs(interp, 1, argv, "no arguments to flash_banks command");
- return JIM_ERR;
- }
-
- Jim_Obj *list = Jim_NewListObj(interp, NULL, 0);
- for (p = flash_banks; p; p = p->next)
- {
- Jim_Obj *elem = Jim_NewListObj(interp, NULL, 0);
-
- Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "name", -1));
- Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, p->driver->name, -1));
- Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "base", -1));
- Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->base));
- Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "size", -1));
- Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->size));
- Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "bus_width", -1));
- Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->bus_width));
- Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "chip_width", -1));
- Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->chip_width));
-
- Jim_ListAppendElement(interp, list, elem);
- }
-
- Jim_SetResult(interp, list);
-
- return JIM_OK;
- }
-
- struct flash_bank *get_flash_bank_by_num_noprobe(int num)
- {
- struct flash_bank *p;
- int i = 0;
-
- for (p = flash_banks; p; p = p->next)
- {
- if (i++ == num)
- {
- return p;
- }
- }
- LOG_ERROR("flash bank %d does not exist", num);
- return NULL;
- }
-
- int flash_get_bank_count(void)
- {
- struct flash_bank *p;
- int i = 0;
- for (p = flash_banks; p; p = p->next)
- {
- i++;
- }
- return i;
- }
-
- struct flash_bank *get_flash_bank_by_name(const char *name)
- {
- unsigned requested = get_flash_name_index(name);
- unsigned found = 0;
-
- struct flash_bank *bank;
- for (bank = flash_banks; NULL != bank; bank = bank->next)
- {
- if (strcmp(bank->name, name) == 0)
- return bank;
- if (!flash_driver_name_matches(bank->driver->name, name))
- continue;
- if (++found < requested)
- continue;
- return bank;
- }
- return NULL;
- }
-
- struct flash_bank *get_flash_bank_by_num(int num)
- {
- struct flash_bank *p = get_flash_bank_by_num_noprobe(num);
- int retval;
-
- if (p == NULL)
- return NULL;
-
- retval = p->driver->auto_probe(p);
-
- if (retval != ERROR_OK)
- {
- LOG_ERROR("auto_probe failed %d\n", retval);
- return NULL;
- }
- return p;
- }
-
- COMMAND_HELPER(flash_command_get_bank, unsigned name_index,
- struct flash_bank **bank)
- {
- const char *name = CMD_ARGV[name_index];
- *bank = get_flash_bank_by_name(name);
- if (*bank)
- return ERROR_OK;
-
- unsigned bank_num;
- COMMAND_PARSE_NUMBER(uint, name, bank_num);
-
- *bank = get_flash_bank_by_num(bank_num);
- if (!*bank)
- {
- command_print(CMD_CTX, "flash bank '%s' not found", name);
- return ERROR_INVALID_ARGUMENTS;
- }
- return ERROR_OK;
- }
-
-
- COMMAND_HANDLER(handle_flash_bank_command)
- {
- if (CMD_ARGC < 7)
- {
- LOG_ERROR("usage: flash bank <name> <driver> "
- "<base> <size> <chip_width> <bus_width>");
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
- // save bank name and advance arguments for compatibility
- const char *bank_name = *CMD_ARGV++;
- CMD_ARGC--;
-
- struct target *target;
- if ((target = get_target(CMD_ARGV[5])) == NULL)
- {
- LOG_ERROR("target '%s' not defined", CMD_ARGV[5]);
- return ERROR_FAIL;
- }
-
- const char *driver_name = CMD_ARGV[0];
- for (unsigned i = 0; flash_drivers[i]; i++)
- {
- if (strcmp(driver_name, flash_drivers[i]->name) != 0)
- continue;
-
- /* register flash specific commands */
- if (NULL != flash_drivers[i]->commands)
- {
- int retval = register_commands(CMD_CTX, NULL,
- flash_drivers[i]->commands);
- if (ERROR_OK != retval)
- {
- LOG_ERROR("couldn't register '%s' commands",
- driver_name);
- return ERROR_FAIL;
- }
- }
-
- struct flash_bank *p, *c;
- c = malloc(sizeof(struct flash_bank));
- c->name = strdup(bank_name);
- c->target = target;
- c->driver = flash_drivers[i];
- c->driver_priv = NULL;
- COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], c->base);
- COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], c->size);
- COMMAND_PARSE_NUMBER(int, CMD_ARGV[3], c->chip_width);
- COMMAND_PARSE_NUMBER(int, CMD_ARGV[4], c->bus_width);
- c->num_sectors = 0;
- c->sectors = NULL;
- c->next = NULL;
-
- int retval;
- retval = CALL_COMMAND_HANDLER(flash_drivers[i]->flash_bank_command, c);
- if (ERROR_OK != retval)
- {
- LOG_ERROR("'%s' driver rejected flash bank at 0x%8.8" PRIx32,
- driver_name, c->base);
- free(c);
- return retval;
- }
-
- /* put flash bank in linked list */
- if (flash_banks)
- {
- int bank_num = 0;
- /* find last flash bank */
- for (p = flash_banks; p && p->next; p = p->next) bank_num++;
- if (p)
- p->next = c;
- c->bank_number = bank_num + 1;
- }
- else
- {
- flash_banks = c;
- c->bank_number = 0;
- }
-
- return ERROR_OK;
- }
-
- /* no matching flash driver found */
- LOG_ERROR("flash driver '%s' not found", driver_name);
- return ERROR_FAIL;
- }
-
- COMMAND_HANDLER(handle_flash_info_command)
- {
- struct flash_bank *p;
- uint32_t i = 0;
- int j = 0;
- int retval;
-
- if (CMD_ARGC != 1)
- return ERROR_COMMAND_SYNTAX_ERROR;
-
- unsigned bank_nr;
- COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], bank_nr);
-
- for (p = flash_banks; p; p = p->next, i++)
- {
- if (i != bank_nr)
- continue;
-
- char buf[1024];
-
- /* attempt auto probe */
- if ((retval = p->driver->auto_probe(p)) != ERROR_OK)
- return retval;
-
- command_print(CMD_CTX,
- "#%" PRIi32 " : %s at 0x%8.8" PRIx32 ", size 0x%8.8" PRIx32 ", buswidth %i, chipwidth %i",
- i,
- p->driver->name,
- p->base,
- p->size,
- p->bus_width,
- p->chip_width);
- for (j = 0; j < p->num_sectors; j++)
- {
- char *protect_state;
-
- if (p->sectors[j].is_protected == 0)
- protect_state = "not protected";
- else if (p->sectors[j].is_protected == 1)
- protect_state = "protected";
- else
- protect_state = "protection state unknown";
-
- command_print(CMD_CTX,
- "\t#%3i: 0x%8.8" PRIx32 " (0x%" PRIx32 " %" PRIi32 "kB) %s",
- j,
- p->sectors[j].offset,
- p->sectors[j].size,
- p->sectors[j].size >> 10,
- protect_state);
- }
-
- *buf = '\0'; /* initialize buffer, otherwise it migh contain garbage if driver function fails */
- retval = p->driver->info(p, buf, sizeof(buf));
- command_print(CMD_CTX, "%s", buf);
- if (retval != ERROR_OK)
- LOG_ERROR("error retrieving flash info (%d)", retval);
- }
-
- return ERROR_OK;
- }
-
- COMMAND_HANDLER(handle_flash_probe_command)
- {
- int retval;
-
- if (CMD_ARGC != 1)
- {
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
-
- unsigned bank_nr;
- COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], bank_nr);
- struct flash_bank *p = get_flash_bank_by_num_noprobe(bank_nr);
- if (p)
- {
- if ((retval = p->driver->probe(p)) == ERROR_OK)
- {
- command_print(CMD_CTX, "flash '%s' found at 0x%8.8" PRIx32, p->driver->name, p->base);
- }
- else if (retval == ERROR_FLASH_BANK_INVALID)
- {
- command_print(CMD_CTX, "probing failed for flash bank '#%s' at 0x%8.8" PRIx32,
- CMD_ARGV[0], p->base);
- }
- else
- {
- command_print(CMD_CTX, "unknown error when probing flash bank '#%s' at 0x%8.8" PRIx32,
- CMD_ARGV[0], p->base);
- }
- }
- else
- {
- command_print(CMD_CTX, "flash bank '#%s' is out of bounds", CMD_ARGV[0]);
- }
-
- return ERROR_OK;
- }
-
- COMMAND_HANDLER(handle_flash_erase_check_command)
- {
- if (CMD_ARGC != 1)
- {
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
-
- struct flash_bank *p;
- int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
- if (ERROR_OK != retval)
- return retval;
-
- int j;
- if ((retval = p->driver->erase_check(p)) == ERROR_OK)
- {
- command_print(CMD_CTX, "successfully checked erase state");
- }
- else
- {
- command_print(CMD_CTX, "unknown error when checking erase state of flash bank #%s at 0x%8.8" PRIx32,
- CMD_ARGV[0], p->base);
- }
-
- for (j = 0; j < p->num_sectors; j++)
- {
- char *erase_state;
-
- if (p->sectors[j].is_erased == 0)
- erase_state = "not erased";
- else if (p->sectors[j].is_erased == 1)
- erase_state = "erased";
- else
- erase_state = "erase state unknown";
-
- command_print(CMD_CTX,
- "\t#%3i: 0x%8.8" PRIx32 " (0x%" PRIx32 " %" PRIi32 "kB) %s",
- j,
- p->sectors[j].offset,
- p->sectors[j].size,
- p->sectors[j].size >> 10,
- erase_state);
- }
-
- return ERROR_OK;
- }
-
- COMMAND_HANDLER(handle_flash_erase_address_command)
- {
- struct flash_bank *p;
- int retval;
- int address;
- int length;
-
- struct target *target = get_current_target(CMD_CTX);
-
- if (CMD_ARGC != 2)
- return ERROR_COMMAND_SYNTAX_ERROR;
-
- COMMAND_PARSE_NUMBER(int, CMD_ARGV[0], address);
- COMMAND_PARSE_NUMBER(int, CMD_ARGV[1], length);
- if (length <= 0)
- {
- command_print(CMD_CTX, "Length must be >0");
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
-
- p = get_flash_bank_by_addr(target, address);
- if (p == NULL)
- {
- return ERROR_FAIL;
- }
-
- /* We can't know if we did a resume + halt, in which case we no longer know the erased state */
- flash_set_dirty();
-
- struct duration bench;
- duration_start(&bench);
-
- retval = flash_erase_address_range(target, address, length);
-
- if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
- {
- command_print(CMD_CTX, "erased address 0x%8.8x (length %i)"
- " in %fs (%0.3f kb/s)", address, length,
- duration_elapsed(&bench), duration_kbps(&bench, length));
- }
-
- return retval;
- }
-
- COMMAND_HANDLER(handle_flash_protect_check_command)
- {
- if (CMD_ARGC != 1)
- return ERROR_COMMAND_SYNTAX_ERROR;
-
- struct flash_bank *p;
- int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
- if (ERROR_OK != retval)
- return retval;
-
- if ((retval = p->driver->protect_check(p)) == ERROR_OK)
- {
- command_print(CMD_CTX, "successfully checked protect state");
- }
- else if (retval == ERROR_FLASH_OPERATION_FAILED)
- {
- command_print(CMD_CTX, "checking protection state failed (possibly unsupported) by flash #%s at 0x%8.8" PRIx32, CMD_ARGV[0], p->base);
- }
- else
- {
- command_print(CMD_CTX, "unknown error when checking protection state of flash bank '#%s' at 0x%8.8" PRIx32, CMD_ARGV[0], p->base);
- }
-
- return ERROR_OK;
- }
-
- static int flash_check_sector_parameters(struct command_context *cmd_ctx,
- uint32_t first, uint32_t last, uint32_t num_sectors)
- {
- if (!(first <= last)) {
- command_print(cmd_ctx, "ERROR: "
- "first sector must be <= last sector");
- return ERROR_FAIL;
- }
-
- if (!(last <= (num_sectors - 1))) {
- command_print(cmd_ctx, "ERROR: last sector must be <= %d",
- (int) num_sectors - 1);
- return ERROR_FAIL;
- }
-
- return ERROR_OK;
- }
-
- COMMAND_HANDLER(handle_flash_erase_command)
- {
- if (CMD_ARGC != 3)
- return ERROR_COMMAND_SYNTAX_ERROR;
-
- uint32_t bank_nr;
- uint32_t first;
- uint32_t last;
-
- COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], bank_nr);
- struct flash_bank *p = get_flash_bank_by_num(bank_nr);
- if (!p)
- return ERROR_OK;
-
- COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], first);
- if (strcmp(CMD_ARGV[2], "last") == 0)
- last = p->num_sectors - 1;
- else
- COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], last);
-
- int retval;
- if ((retval = flash_check_sector_parameters(CMD_CTX,
- first, last, p->num_sectors)) != ERROR_OK)
- return retval;
-
- struct duration bench;
- duration_start(&bench);
-
- retval = flash_driver_erase(p, first, last);
-
- if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
- {
- command_print(CMD_CTX, "erased sectors %" PRIu32 " "
- "through %" PRIu32" on flash bank %" PRIu32 " "
- "in %fs", first, last, bank_nr, duration_elapsed(&bench));
- }
-
- return ERROR_OK;
- }
-
- COMMAND_HANDLER(handle_flash_protect_command)
- {
- if (CMD_ARGC != 4)
- return ERROR_COMMAND_SYNTAX_ERROR;
-
- uint32_t bank_nr;
- uint32_t first;
- uint32_t last;
-
- COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], bank_nr);
- struct flash_bank *p = get_flash_bank_by_num(bank_nr);
- if (!p)
- return ERROR_OK;
-
- COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], first);
- if (strcmp(CMD_ARGV[2], "last") == 0)
- last = p->num_sectors - 1;
- else
- COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], last);
-
- bool set;
- COMMAND_PARSE_ON_OFF(CMD_ARGV[3], set);
-
- int retval;
- if ((retval = flash_check_sector_parameters(CMD_CTX,
- first, last, p->num_sectors)) != ERROR_OK)
- return retval;
-
- retval = flash_driver_protect(p, set, first, last);
- if (retval == ERROR_OK) {
- command_print(CMD_CTX, "%s protection for sectors %i "
- "through %i on flash bank %i",
- (set) ? "set" : "cleared", (int) first,
- (int) last, (int) bank_nr);
- }
-
- return ERROR_OK;
- }
-
- COMMAND_HANDLER(handle_flash_write_image_command)
- {
- struct target *target = get_current_target(CMD_CTX);
-
- struct image image;
- uint32_t written;
-
- int retval;
-
- if (CMD_ARGC < 1)
- {
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
-
- /* flash auto-erase is disabled by default*/
- int auto_erase = 0;
- bool auto_unlock = false;
-
- for (;;)
- {
- if (strcmp(CMD_ARGV[0], "erase") == 0)
- {
- auto_erase = 1;
- CMD_ARGV++;
- CMD_ARGC--;
- command_print(CMD_CTX, "auto erase enabled");
- } else if (strcmp(CMD_ARGV[0], "unlock") == 0)
- {
- auto_unlock = true;
- CMD_ARGV++;
- CMD_ARGC--;
- command_print(CMD_CTX, "auto unlock enabled");
- } else
- {
- break;
- }
- }
-
- if (CMD_ARGC < 1)
- {
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
-
- if (!target)
- {
- LOG_ERROR("no target selected");
- return ERROR_FAIL;
- }
-
- struct duration bench;
- duration_start(&bench);
-
- if (CMD_ARGC >= 2)
- {
- image.base_address_set = 1;
- COMMAND_PARSE_NUMBER(int, CMD_ARGV[1], image.base_address);
- }
- else
- {
- image.base_address_set = 0;
- image.base_address = 0x0;
- }
-
- image.start_address_set = 0;
-
- retval = image_open(&image, CMD_ARGV[0], (CMD_ARGC == 3) ? CMD_ARGV[2] : NULL);
- if (retval != ERROR_OK)
- {
- return retval;
- }
-
- retval = flash_write_unlock(target, &image, &written, auto_erase, auto_unlock);
- if (retval != ERROR_OK)
- {
- image_close(&image);
- return retval;
- }
-
- if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
- {
- command_print(CMD_CTX, "wrote %" PRIu32 " byte from file %s "
- "in %fs (%0.3f kb/s)", written, CMD_ARGV[0],
- duration_elapsed(&bench), duration_kbps(&bench, written));
- }
-
- image_close(&image);
-
- return retval;
- }
-
- COMMAND_HANDLER(handle_flash_fill_command)
- {
- int err = ERROR_OK;
- uint32_t address;
- uint32_t pattern;
- uint32_t count;
- uint32_t wrote = 0;
- uint32_t cur_size = 0;
- uint32_t chunk_count;
- struct target *target = get_current_target(CMD_CTX);
- uint32_t i;
- uint32_t wordsize;
- int retval = ERROR_OK;
-
- static size_t const chunksize = 1024;
- uint8_t *chunk = malloc(chunksize);
- if (chunk == NULL)
- return ERROR_FAIL;
-
- uint8_t *readback = malloc(chunksize);
- if (readback == NULL)
- {
- free(chunk);
- return ERROR_FAIL;
- }
-
-
- if (CMD_ARGC != 3)
- {
- retval = ERROR_COMMAND_SYNTAX_ERROR;
- goto done;
- }
-
-
- COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], address);
- COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], pattern);
- COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], count);
-
- if (count == 0)
- goto done;
-
- switch (CMD_NAME[4])
- {
- case 'w':
- wordsize = 4;
- break;
- case 'h':
- wordsize = 2;
- break;
- case 'b':
- wordsize = 1;
- break;
- default:
- retval = ERROR_COMMAND_SYNTAX_ERROR;
- goto done;
- }
-
- chunk_count = MIN(count, (chunksize / wordsize));
- switch (wordsize)
- {
- case 4:
- for (i = 0; i < chunk_count; i++)
- {
- target_buffer_set_u32(target, chunk + i * wordsize, pattern);
- }
- break;
- case 2:
- for (i = 0; i < chunk_count; i++)
- {
- target_buffer_set_u16(target, chunk + i * wordsize, pattern);
- }
- break;
- case 1:
- memset(chunk, pattern, chunk_count);
- break;
- default:
- LOG_ERROR("BUG: can't happen");
- exit(-1);
- }
-
- struct duration bench;
- duration_start(&bench);
-
- for (wrote = 0; wrote < (count*wordsize); wrote += cur_size)
- {
- cur_size = MIN((count*wordsize - wrote), sizeof(chunk));
- struct flash_bank *bank;
- bank = get_flash_bank_by_addr(target, address);
- if (bank == NULL)
- {
- retval = ERROR_FAIL;
- goto done;
- }
- err = flash_driver_write(bank, chunk, address - bank->base + wrote, cur_size);
- if (err != ERROR_OK)
- {
- retval = err;
- goto done;
- }
-
- err = target_read_buffer(target, address + wrote, cur_size, readback);
- if (err != ERROR_OK)
- {
- retval = err;
- goto done;
- }
-
- unsigned i;
- for (i = 0; i < cur_size; i++)
- {
- if (readback[i]!=chunk[i])
- {
- LOG_ERROR("Verfication error address 0x%08" PRIx32 ", read back 0x%02x, expected 0x%02x",
- address + wrote + i, readback[i], chunk[i]);
- retval = ERROR_FAIL;
- goto done;
- }
- }
- }
-
- if (duration_measure(&bench) == ERROR_OK)
- {
- command_print(CMD_CTX, "wrote %" PRIu32 " bytes to 0x%8.8" PRIx32
- " in %fs (%0.3f kb/s)", wrote, address,
- duration_elapsed(&bench), duration_kbps(&bench, wrote));
- }
-
- done:
- free(readback);
- free(chunk);
-
- return retval;
- }
-
- COMMAND_HANDLER(handle_flash_write_bank_command)
- {
- uint32_t offset;
- uint8_t *buffer;
- struct fileio fileio;
-
- if (CMD_ARGC != 3)
- return ERROR_COMMAND_SYNTAX_ERROR;
-
- struct duration bench;
- duration_start(&bench);
-
- struct flash_bank *p;
- int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
- if (ERROR_OK != retval)
- return retval;
-
- COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], offset);
-
- if (fileio_open(&fileio, CMD_ARGV[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
- {
- return ERROR_OK;
- }
-
- buffer = malloc(fileio.size);
- size_t buf_cnt;
- if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK)
- {
- free(buffer);
- fileio_close(&fileio);
- return ERROR_OK;
- }
-
- retval = flash_driver_write(p, buffer, offset, buf_cnt);
-
- free(buffer);
- buffer = NULL;
-
- if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK))
- {
- command_print(CMD_CTX, "wrote %zu byte from file %s to flash bank %u"
- " at offset 0x%8.8" PRIx32 " in %fs (%0.3f kb/s)",
- fileio.size, CMD_ARGV[1], p->bank_number, offset,
- duration_elapsed(&bench), duration_kbps(&bench, fileio.size));
- }
-
- fileio_close(&fileio);
-
- return retval;
- }
-
- void flash_set_dirty(void)
- {
- struct flash_bank *c;
- int i;
-
- /* set all flash to require erasing */
- for (c = flash_banks; c; c = c->next)
- {
- for (i = 0; i < c->num_sectors; i++)
- {
- c->sectors[i].is_erased = 0;
- }
- }
- }
-
- /* lookup flash bank by address */
- struct flash_bank *get_flash_bank_by_addr(struct target *target, uint32_t addr)
- {
- struct flash_bank *c;
-
- /* cycle through bank list */
- for (c = flash_banks; c; c = c->next)
- {
- int retval;
- retval = c->driver->auto_probe(c);
-
- if (retval != ERROR_OK)
- {
- LOG_ERROR("auto_probe failed %d\n", retval);
- return NULL;
- }
- /* check whether address belongs to this flash bank */
- if ((addr >= c->base) && (addr <= c->base + (c->size - 1)) && target == c->target)
- return c;
- }
- LOG_ERROR("No flash at address 0x%08" PRIx32 "\n", addr);
- return NULL;
- }
-
- /* erase given flash region, selects proper bank according to target and address */
- static int flash_iterate_address_range(struct target *target, uint32_t addr, uint32_t length,
- int (*callback)(struct flash_bank *bank, int first, int last))
- {
- struct flash_bank *c;
- int first = -1;
- int last = -1;
- int i;
-
- if ((c = get_flash_bank_by_addr(target, addr)) == NULL)
- return ERROR_FLASH_DST_OUT_OF_BANK; /* no corresponding bank found */
-
- if (c->size == 0 || c->num_sectors == 0)
- {
- LOG_ERROR("Bank is invalid");
- return ERROR_FLASH_BANK_INVALID;
- }
-
- if (length == 0)
- {
- /* special case, erase whole bank when length is zero */
- if (addr != c->base)
- return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
-
- return callback(c, 0, c->num_sectors - 1);
- }
-
- /* check whether it fits */
- if (addr + length - 1 > c->base + c->size - 1)
- return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
-
- addr -= c->base;
-
- for (i = 0; i < c->num_sectors; i++)
- {
- /* check whether sector overlaps with the given range and is not yet erased */
- if (addr < c->sectors[i].offset + c->sectors[i].size && addr + length > c->sectors[i].offset && c->sectors[i].is_erased != 1) {
- /* if first is not set yet then this is the first sector */
- if (first == -1)
- first = i;
- last = i; /* and it is the last one so far in any case */
- }
- }
-
- if (first == -1 || last == -1)
- return ERROR_OK;
-
- return callback(c, first, last);
- }
-
-
-
- int flash_erase_address_range(struct target *target, uint32_t addr, uint32_t length)
- {
- return flash_iterate_address_range(target, addr, length, &flash_driver_erase);
- }
-
- static int flash_driver_unprotect(struct flash_bank *bank, int first, int last)
- {
- return flash_driver_protect(bank, 0, first, last);
- }
-
- static int flash_unlock_address_range(struct target *target, uint32_t addr, uint32_t length)
- {
- return flash_iterate_address_range(target, addr, length, &flash_driver_unprotect);
- }
-
-
- /* write (optional verify) an image to flash memory of the given target */
- static int flash_write_unlock(struct target *target, struct image *image, uint32_t *written, int erase, bool unlock)
- {
- int retval = ERROR_OK;
-
- int section;
- uint32_t section_offset;
- struct flash_bank *c;
- int *padding;
-
- section = 0;
- section_offset = 0;
-
- if (written)
- *written = 0;
-
- if (erase)
- {
- /* assume all sectors need erasing - stops any problems
- * when flash_write is called multiple times */
-
- flash_set_dirty();
- }
-
- /* allocate padding array */
- padding = malloc(image->num_sections * sizeof(padding));
-
- /* loop until we reach end of the image */
- while (section < image->num_sections)
- {
- uint32_t buffer_size;
- uint8_t *buffer;
- int section_first;
- int section_last;
- uint32_t run_address = image->sections[section].base_address + section_offset;
- uint32_t run_size = image->sections[section].size - section_offset;
- int pad_bytes = 0;
-
- if (image->sections[section].size == 0)
- {
- LOG_WARNING("empty section %d", section);
- section++;
- section_offset = 0;
- continue;
- }
-
- /* find the corresponding flash bank */
- if ((c = get_flash_bank_by_addr(target, run_address)) == NULL)
- {
- section++; /* and skip it */
- section_offset = 0;
- continue;
- }
-
- /* collect consecutive sections which fall into the same bank */
- section_first = section;
- section_last = section;
- padding[section] = 0;
- while ((run_address + run_size - 1 < c->base + c->size - 1)
- && (section_last + 1 < image->num_sections))
- {
- if (image->sections[section_last + 1].base_address < (run_address + run_size))
- {
- LOG_DEBUG("section %d out of order(very slightly surprising, but supported)", section_last + 1);
- break;
- }
- /* if we have multiple sections within our image, flash programming could fail due to alignment issues
- * attempt to rebuild a consecutive buffer for the flash loader */
- pad_bytes = (image->sections[section_last + 1].base_address) - (run_address + run_size);
- if ((run_address + run_size + pad_bytes) > (c->base + c->size))
- break;
- padding[section_last] = pad_bytes;
- run_size += image->sections[++section_last].size;
- run_size += pad_bytes;
- padding[section_last] = 0;
-
- LOG_INFO("Padding image section %d with %d bytes", section_last-1, pad_bytes);
- }
-
- /* fit the run into bank constraints */
- if (run_address + run_size - 1 > c->base + c->size - 1)
- {
- LOG_WARNING("writing %d bytes only - as image section is %d bytes and bank is only %d bytes", \
- (int)(c->base + c->size - run_address), (int)(run_size), (int)(c->size));
- run_size = c->base + c->size - run_address;
- }
-
- /* allocate buffer */
- buffer = malloc(run_size);
- buffer_size = 0;
-
- /* read sections to the buffer */
- while (buffer_size < run_size)
- {
- size_t size_read;
-
- size_read = run_size - buffer_size;
- if (size_read > image->sections[section].size - section_offset)
- size_read = image->sections[section].size - section_offset;
-
- if ((retval = image_read_section(image, section, section_offset,
- size_read, buffer + buffer_size, &size_read)) != ERROR_OK || size_read == 0)
- {
- free(buffer);
- free(padding);
- return retval;
- }
-
- /* see if we need to pad the section */
- while (padding[section]--)
- (buffer + buffer_size)[size_read++] = 0xff;
-
- buffer_size += size_read;
- section_offset += size_read;
-
- if (section_offset >= image->sections[section].size)
- {
- section++;
- section_offset = 0;
- }
- }
-
- retval = ERROR_OK;
-
- if (unlock)
- {
- retval = flash_unlock_address_range(target, run_address, run_size);
- }
- if (retval == ERROR_OK)
- {
- if (erase)
- {
- /* calculate and erase sectors */
- retval = flash_erase_address_range(target, run_address, run_size);
- }
- }
-
- if (retval == ERROR_OK)
- {
- /* write flash sectors */
- retval = flash_driver_write(c, buffer, run_address - c->base, run_size);
- }
-
- free(buffer);
-
- if (retval != ERROR_OK)
- {
- free(padding);
- return retval; /* abort operation */
- }
-
- if (written != NULL)
- *written += run_size; /* add run size to total written counter */
- }
-
- free(padding);
-
- return retval;
- }
-
- int flash_write(struct target *target, struct image *image, uint32_t *written, int erase)
- {
- return flash_write_unlock(target, image, written, erase, false);
- }
-
- int default_flash_mem_blank_check(struct flash_bank *bank)
- {
- struct target *target = bank->target;
- const int buffer_size = 1024;
- int i;
- uint32_t nBytes;
- int retval = ERROR_OK;
-
- if (bank->target->state != TARGET_HALTED)
- {
- LOG_ERROR("Target not halted");
- return ERROR_TARGET_NOT_HALTED;
- }
-
- uint8_t *buffer = malloc(buffer_size);
-
- for (i = 0; i < bank->num_sectors; i++)
- {
- uint32_t j;
- bank->sectors[i].is_erased = 1;
-
- for (j = 0; j < bank->sectors[i].size; j += buffer_size)
- {
- uint32_t chunk;
- chunk = buffer_size;
- if (chunk > (j - bank->sectors[i].size))
- {
- chunk = (j - bank->sectors[i].size);
- }
-
- retval = target_read_memory(target, bank->base + bank->sectors[i].offset + j, 4, chunk/4, buffer);
- if (retval != ERROR_OK)
- {
- goto done;
- }
-
- for (nBytes = 0; nBytes < chunk; nBytes++)
- {
- if (buffer[nBytes] != 0xFF)
- {
- bank->sectors[i].is_erased = 0;
- break;
- }
- }
- }
- }
-
- done:
- free(buffer);
-
- return retval;
- }
-
- int default_flash_blank_check(struct flash_bank *bank)
- {
- struct target *target = bank->target;
- int i;
- int retval;
- int fast_check = 0;
- uint32_t blank;
-
- if (bank->target->state != TARGET_HALTED)
- {
- LOG_ERROR("Target not halted");
- return ERROR_TARGET_NOT_HALTED;
- }
-
- for (i = 0; i < bank->num_sectors; i++)
- {
- uint32_t address = bank->base + bank->sectors[i].offset;
- uint32_t size = bank->sectors[i].size;
-
- if ((retval = target_blank_check_memory(target, address, size, &blank)) != ERROR_OK)
- {
- fast_check = 0;
- break;
- }
- if (blank == 0xFF)
- bank->sectors[i].is_erased = 1;
- else
- bank->sectors[i].is_erased = 0;
- fast_check = 1;
- }
-
- if (!fast_check)
- {
- LOG_USER("Running slow fallback erase check - add working memory");
- return default_flash_mem_blank_check(bank);
- }
-
- return ERROR_OK;
- }
-
- static const struct command_registration flash_exec_command_handlers[] = {
- {
- .name = "probe",
- .handler = &handle_flash_probe_command,
- .mode = COMMAND_EXEC,
- .usage = "<bank>",
- .help = "identify flash bank",
- },
- {
- .name = "info",
- .handler = &handle_flash_info_command,
- .mode = COMMAND_EXEC,
- .usage = "<bank>",
- .help = "print bank information",
- },
- {
- .name = "erase_check",
- .handler = &handle_flash_erase_check_command,
- .mode = COMMAND_EXEC,
- .usage = "<bank>",
- .help = "check erase state of sectors",
- },
- {
- .name = "protect_check",
- .handler = &handle_flash_protect_check_command,
- .mode = COMMAND_EXEC,
- .usage = "<bank>",
- .help = "check protection state of sectors",
- },
- {
- .name = "erase_sector",
- .handler = &handle_flash_erase_command,
- .mode = COMMAND_EXEC,
- .usage = "<bank> <first> <last>",
- .help = "erase sectors",
- },
- {
- .name = "erase_address",
- .handler = &handle_flash_erase_address_command,
- .mode = COMMAND_EXEC,
- .usage = "<address> <length>",
- .help = "erase address range",
-
- },
- {
- .name = "fillw",
- .handler = &handle_flash_fill_command,
- .mode = COMMAND_EXEC,
- .usage = "<bank> <address> <word_pattern> <count>",
- .help = "fill with pattern (no autoerase)",
- },
- {
- .name = "fillh",
- .handler = &handle_flash_fill_command,
- .mode = COMMAND_EXEC,
- .usage = "<bank> <address> <halfword_pattern> <count>",
- .help = "fill with pattern",
- },
- {
- .name = "fillb",
- .handler = &handle_flash_fill_command,
- .mode = COMMAND_EXEC,
- .usage = "<bank> <address> <byte_pattern> <count>",
- .help = "fill with pattern",
-
- },
- {
- .name = "write_bank",
- .handler = &handle_flash_write_bank_command,
- .mode = COMMAND_EXEC,
- .usage = "<bank> <file> <offset>",
- .help = "write binary data",
- },
- {
- .name = "write_image",
- .handler = &handle_flash_write_image_command,
- .mode = COMMAND_EXEC,
- .usage = "<bank> [erase] [unlock] <file> [offset] [type]",
- .help = "write an image to flash"
- },
- {
- .name = "protect",
- .handler = &handle_flash_protect_command,
- .mode = COMMAND_EXEC,
- .usage = "<bank> <first> <last> <on | off>",
- .help = "set protection of sectors",
- },
- COMMAND_REGISTRATION_DONE
- };
-
- int flash_init_drivers(struct command_context *cmd_ctx)
- {
- if (!flash_banks)
- return ERROR_OK;
-
- struct command *parent = command_find_in_context(cmd_ctx, "flash");
- return register_commands(cmd_ctx, parent, flash_exec_command_handlers);
- }
-
- COMMAND_HANDLER(handle_flash_init_command)
- {
- if (CMD_ARGC != 0)
- return ERROR_COMMAND_SYNTAX_ERROR;
-
- static bool flash_initialized = false;
- if (flash_initialized)
- {
- LOG_INFO("'flash init' has already been called");
- return ERROR_OK;
- }
- flash_initialized = true;
-
- LOG_DEBUG("Initializing flash devices...");
- return flash_init_drivers(CMD_CTX);
- }
-
- static const struct command_registration flash_config_command_handlers[] = {
- {
- .name = "bank",
- .handler = &handle_flash_bank_command,
- .mode = COMMAND_CONFIG,
- .usage = "<name> <driver> <base> <size> "
- "<chip_width> <bus_width> <target> "
- "[driver_options ...]",
- .help = "Define a new bank with the given name, "
- "using the specified NOR flash driver.",
- },
- {
- .name = "init",
- .mode = COMMAND_CONFIG,
- .handler = &handle_flash_init_command,
- .help = "initialize flash devices",
- },
- {
- .name = "banks",
- .mode = COMMAND_ANY,
- .jim_handler = &jim_flash_banks,
- .help = "return information about the flash banks",
- },
- COMMAND_REGISTRATION_DONE
- };
- static const struct command_registration flash_command_handlers[] = {
- {
- .name = "flash",
- .mode = COMMAND_ANY,
- .help = "NOR flash command group",
- .chain = flash_config_command_handlers,
- },
- COMMAND_REGISTRATION_DONE
- };
-
- int flash_register_commands(struct command_context *cmd_ctx)
- {
- return register_commands(cmd_ctx, NULL, flash_command_handlers);
- }
|