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-rw-r--r--src/flash/flash.c1890
1 files changed, 945 insertions, 945 deletions
diff --git a/src/flash/flash.c b/src/flash/flash.c
index 416cac44..2fefb4cd 100644
--- a/src/flash/flash.c
+++ b/src/flash/flash.c
@@ -1,945 +1,945 @@
-/***************************************************************************
- * 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 "flash.h"
-#include "command.h"
-#include "target.h"
-#include "time_support.h"
-#include "fileio.h"
-#include "image.h"
-#include "log.h"
-
-#include <string.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <errno.h>
-#include <inttypes.h>
-
-/* command handlers */
-int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int handle_flash_banks_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int handle_flash_write_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int handle_flash_auto_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr);
-
-/* flash drivers
- */
-extern flash_driver_t lpc2000_flash;
-extern flash_driver_t cfi_flash;
-extern flash_driver_t at91sam7_flash;
-extern flash_driver_t str7x_flash;
-extern flash_driver_t str9x_flash;
-extern flash_driver_t stellaris_flash;
-extern flash_driver_t str9xpec_flash;
-extern flash_driver_t stm32x_flash;
-extern flash_driver_t tms470_flash;
-
-flash_driver_t *flash_drivers[] =
-{
- &lpc2000_flash,
- &cfi_flash,
- &at91sam7_flash,
- &str7x_flash,
- &str9x_flash,
- &stellaris_flash,
- &str9xpec_flash,
- &stm32x_flash,
- &tms470_flash,
- NULL,
-};
-
-flash_bank_t *flash_banks;
-static command_t *flash_cmd;
-static int auto_erase = 0;
-
-/* wafer thin wrapper for invoking the flash driver */
-static int flash_driver_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
-{
- int retval=ERROR_OK;
- if (bank->target->state != TARGET_HALTED)
- {
- ERROR("target not halted - aborting flash write");
- retval=ERROR_TARGET_NOT_HALTED;
- } else
- {
- retval=bank->driver->write(bank, buffer, offset, count);
- }
- if (retval!=ERROR_OK)
- {
- ERROR("Writing to flash bank at address 0x%08x at offset 0x%8.8x", bank->base, offset);
- }
- return retval;
-}
-
-static int flash_driver_erase(struct flash_bank_s *bank, int first, int last)
-{
- int retval=ERROR_OK;
- if (bank->target->state != TARGET_HALTED)
- {
- ERROR("target not halted - aborting flash erase");
- retval=ERROR_TARGET_NOT_HALTED;
- } else if ((first < 0) || (last < first) || (last >= bank->num_sectors))
- {
- ERROR("invalid flash sector");
- retval=ERROR_FLASH_SECTOR_INVALID;
- } else
- {
- retval=bank->driver->erase(bank, first, last);
- }
- if (retval!=ERROR_OK)
- {
- ERROR("Failed erasing banks %d to %d", first, last);
- }
- return retval;
-}
-
-int flash_driver_protect(struct flash_bank_s *bank, int set, int first, int last)
-{
- int retval;
- if (bank->target->state != TARGET_HALTED)
- {
- ERROR("target not halted - aborting flash erase");
- retval=ERROR_TARGET_NOT_HALTED;
- } else if ((first < 0) || (last < first) || (last >= bank->num_sectors))
- {
- ERROR("invalid flash sector");
- retval=ERROR_FLASH_SECTOR_INVALID;
- } else
- {
- retval=bank->driver->protect(bank, set, first, last);
- }
- if (retval!=ERROR_OK)
- {
- ERROR("Failed protecting banks %d to %d", first, last);
- }
- return retval;
-}
-
-
-int flash_register_commands(struct command_context_s *cmd_ctx)
-{
- flash_cmd = register_command(cmd_ctx, NULL, "flash", NULL, COMMAND_ANY, NULL);
-
- register_command(cmd_ctx, flash_cmd, "bank", handle_flash_bank_command, COMMAND_CONFIG, "flash_bank <driver> <base> <size> <chip_width> <bus_width> <target> [driver_options ...]");
- register_command(cmd_ctx, flash_cmd, "auto_erase", handle_flash_auto_erase_command, COMMAND_ANY,
- "auto erase flash sectors <on|off>");
- return ERROR_OK;
-}
-
-int flash_init_drivers(struct command_context_s *cmd_ctx)
-{
- if (flash_banks)
- {
- register_command(cmd_ctx, flash_cmd, "banks", handle_flash_banks_command, COMMAND_EXEC,
- "list configured flash banks ");
- register_command(cmd_ctx, flash_cmd, "info", handle_flash_info_command, COMMAND_EXEC,
- "print info about flash bank <num>");
- register_command(cmd_ctx, flash_cmd, "probe", handle_flash_probe_command, COMMAND_EXEC,
- "identify flash bank <num>");
- register_command(cmd_ctx, flash_cmd, "erase_check", handle_flash_erase_check_command, COMMAND_EXEC,
- "check erase state of sectors in flash bank <num>");
- register_command(cmd_ctx, flash_cmd, "protect_check", handle_flash_protect_check_command, COMMAND_EXEC,
- "check protection state of sectors in flash bank <num>");
- register_command(cmd_ctx, flash_cmd, "erase_sector", handle_flash_erase_command, COMMAND_EXEC,
- "erase sectors at <bank> <first> <last>");
- register_command(cmd_ctx, flash_cmd, "erase_address", handle_flash_erase_address_command, COMMAND_EXEC,
- "erase address range <address> <length>");
- register_command(cmd_ctx, flash_cmd, "write_bank", handle_flash_write_bank_command, COMMAND_EXEC,
- "write binary data to <bank> <file> <offset>");
- register_command(cmd_ctx, flash_cmd, "write_image", handle_flash_write_image_command, COMMAND_EXEC,
- "write_image <file> [offset] [type]");
- register_command(cmd_ctx, flash_cmd, "protect", handle_flash_protect_command, COMMAND_EXEC,
- "set protection of sectors at <bank> <first> <last> <on|off>");
- }
-
- return ERROR_OK;
-}
-
-flash_bank_t *get_flash_bank_by_num_noprobe(int num)
-{
- flash_bank_t *p;
- int i = 0;
-
- for (p = flash_banks; p; p = p->next)
- {
- if (i++ == num)
- {
- return p;
- }
- }
- ERROR("Flash bank %d does not exist", num);
- return NULL;
-}
-
-flash_bank_t *get_flash_bank_by_num(int num)
-{
- flash_bank_t *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)
- {
- ERROR("auto_probe failed %d\n", retval);
- return NULL;
- }
- return p;
-}
-
-int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- int i;
- int found = 0;
- target_t *target;
-
- if (argc < 6)
- {
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
-
- if ((target = get_target_by_num(strtoul(args[5], NULL, 0))) == NULL)
- {
- ERROR("target %lu not defined", strtoul(args[5], NULL, 0));
- return ERROR_OK;
- }
-
- for (i = 0; flash_drivers[i]; i++)
- {
- if (strcmp(args[0], flash_drivers[i]->name) == 0)
- {
- flash_bank_t *p, *c;
-
- /* register flash specific commands */
- if (flash_drivers[i]->register_commands(cmd_ctx) != ERROR_OK)
- {
- ERROR("couldn't register '%s' commands", args[0]);
- exit(-1);
- }
-
- c = malloc(sizeof(flash_bank_t));
- c->target = target;
- c->driver = flash_drivers[i];
- c->driver_priv = NULL;
- c->base = strtoul(args[1], NULL, 0);
- c->size = strtoul(args[2], NULL, 0);
- c->chip_width = strtoul(args[3], NULL, 0);
- c->bus_width = strtoul(args[4], NULL, 0);
- c->num_sectors = 0;
- c->sectors = NULL;
- c->next = NULL;
-
- if (flash_drivers[i]->flash_bank_command(cmd_ctx, cmd, args, argc, c) != ERROR_OK)
- {
- ERROR("'%s' driver rejected flash bank at 0x%8.8x", args[0], c->base);
- free(c);
- return ERROR_OK;
- }
-
- /* put flash bank in linked list */
- if (flash_banks)
- {
- /* find last flash bank */
- for (p = flash_banks; p && p->next; p = p->next);
- if (p)
- p->next = c;
- }
- else
- {
- flash_banks = c;
- }
-
- found = 1;
- }
- }
-
- /* no matching flash driver found */
- if (!found)
- {
- ERROR("flash driver '%s' not found", args[0]);
- exit(-1);
- }
-
- return ERROR_OK;
-}
-
-int handle_flash_banks_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- flash_bank_t *p;
- int i = 0;
-
- if (!flash_banks)
- {
- command_print(cmd_ctx, "no flash banks configured");
- return ERROR_OK;
- }
-
- for (p = flash_banks; p; p = p->next)
- {
- command_print(cmd_ctx, "#%i: %s at 0x%8.8x, size 0x%8.8x, buswidth %i, chipwidth %i",
- i++, p->driver->name, p->base, p->size, p->bus_width, p->chip_width);
- }
-
- return ERROR_OK;
-}
-
-int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- flash_bank_t *p;
- int i = 0;
- int j = 0;
-
- if (argc != 1)
- {
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
-
- for (p = flash_banks; p; p = p->next, i++)
- {
- if (i == strtoul(args[0], NULL, 0))
- {
- char buf[1024];
-
- /* attempt auto probe */
- p->driver->auto_probe(p);
-
- command_print(cmd_ctx, "#%i: %s at 0x%8.8x, size 0x%8.8x, 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 *erase_state, *protect_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";
-
- 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#%i: 0x%8.8x (0x%x %ikB) %s, %s",
- j, p->sectors[j].offset, p->sectors[j].size, p->sectors[j].size>>10,
- erase_state, protect_state);
- }
-
- p->driver->info(p, buf, 1024);
- command_print(cmd_ctx, "%s", buf);
- }
- }
-
- return ERROR_OK;
-}
-
-int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- flash_bank_t *p;
- int retval;
-
- if (argc != 1)
- {
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
-
- p = get_flash_bank_by_num_noprobe(strtoul(args[0], NULL, 0));
- if (p)
- {
- if ((retval = p->driver->probe(p)) == ERROR_OK)
- {
- command_print(cmd_ctx, "flash '%s' found at 0x%8.8x", p->driver->name, p->base);
- }
- else if (retval == ERROR_FLASH_BANK_INVALID)
- {
- command_print(cmd_ctx, "probing failed for flash bank '#%s' at 0x%8.8x",
- args[0], p->base);
- }
- else
- {
- command_print(cmd_ctx, "unknown error when probing flash bank '#%s' at 0x%8.8x",
- args[0], p->base);
- }
- }
- else
- {
- command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
- }
-
- return ERROR_OK;
-}
-
-int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- flash_bank_t *p;
- int retval;
-
- if (argc != 1)
- {
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
-
- p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
- if (p)
- {
- if ((retval = p->driver->erase_check(p)) == ERROR_OK)
- {
- command_print(cmd_ctx, "successfully checked erase state", p->driver->name, p->base);
- }
- else
- {
- command_print(cmd_ctx, "unknown error when checking erase state of flash bank #%s at 0x%8.8x",
- args[0], p->base);
- }
- }
-
- return ERROR_OK;
-}
-
-int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- flash_bank_t *p;
- int retval;
- int address;
- int length;
- duration_t duration;
- char *duration_text;
-
- target_t *target = get_current_target(cmd_ctx);
-
- if (argc != 2)
- {
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
-
- address = strtoul(args[0], NULL, 0);
- length = strtoul(args[1], NULL, 0);
- 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_COMMAND_SYNTAX_ERROR;
- }
-
- /* We can't know if we did a resume + halt, in which case we no longer know the erased state */
- flash_set_dirty();
-
- duration_start_measure(&duration);
-
- if ((retval = flash_erase_address_range(target, address, length)) == ERROR_OK)
- {
- duration_stop_measure(&duration, &duration_text);
- command_print(cmd_ctx, "erased address 0x%8.8x length %i in %s", address, length, duration_text);
- free(duration_text);
- }
-
- return retval;
-}
-
-int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- flash_bank_t *p;
- int retval;
-
- if (argc != 1)
- {
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
-
- p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
- if (p)
- {
- 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%8.8x", args[0], p->base);
- }
- else
- {
- command_print(cmd_ctx, "unknown error when checking protection state of flash bank '#%s' at 0x%8.8x", args[0], p->base);
- }
- }
- else
- {
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
-
- return ERROR_OK;
-}
-
-int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- if (argc > 2)
- {
- int first = strtoul(args[1], NULL, 0);
- int last = strtoul(args[2], NULL, 0);
- int retval;
- flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
- duration_t duration;
- char *duration_text;
-
- duration_start_measure(&duration);
-
- if (!p)
- {
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
-
- if ((retval = flash_driver_erase(p, first, last)) == ERROR_OK)
- {
- duration_stop_measure(&duration, &duration_text);
-
- command_print(cmd_ctx, "erased sectors %i through %i on flash bank %i in %s", first, last, strtoul(args[0], 0, 0), duration_text);
- free(duration_text);
- }
- }
- else
- {
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
-
- return ERROR_OK;
-}
-
-int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- if (argc > 3)
- {
- int first = strtoul(args[1], NULL, 0);
- int last = strtoul(args[2], NULL, 0);
- int set;
- int retval;
- flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
- if (!p)
- {
- command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
- return ERROR_OK;
- }
-
- if (strcmp(args[3], "on") == 0)
- set = 1;
- else if (strcmp(args[3], "off") == 0)
- set = 0;
- else
- {
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
-
- 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", first, last, strtoul(args[0], 0, 0));
- }
- }
- else
- {
- return ERROR_COMMAND_SYNTAX_ERROR;
-
- }
-
- return ERROR_OK;
-}
-
-int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- target_t *target = get_current_target(cmd_ctx);
-
- image_t image;
- u32 written;
-
- duration_t duration;
- char *duration_text;
-
- int retval;
-
- if (argc < 1)
- {
- return ERROR_COMMAND_SYNTAX_ERROR;
-
- }
-
- if (!target)
- {
- ERROR("no target selected");
- return ERROR_OK;
- }
-
- duration_start_measure(&duration);
-
- if (argc >= 2)
- {
- image.base_address_set = 1;
- image.base_address = strtoul(args[1], NULL, 0);
- }
- else
- {
- image.base_address_set = 0;
- image.base_address = 0x0;
- }
-
- image.start_address_set = 0;
-
- retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL);
- if (retval != ERROR_OK)
- {
- command_print(cmd_ctx, "image_open error: %s", image.error_str);
- return retval;
- }
-
- retval = flash_write(target, &image, &written, auto_erase);
-
- if (retval != ERROR_OK)
- {
- image_close(&image);
- return retval;
- }
-
- duration_stop_measure(&duration, &duration_text);
- if (retval == ERROR_OK)
- {
- command_print(cmd_ctx, "wrote %u byte from file %s in %s (%f kb/s)",
- written, args[0], duration_text,
- (float)written / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
- }
- free(duration_text);
-
- image_close(&image);
-
- return retval;
-}
-
-int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- u32 offset;
- u8 *buffer;
- u32 buf_cnt;
-
- fileio_t fileio;
-
- duration_t duration;
- char *duration_text;
-
- int retval;
- flash_bank_t *p;
-
- if (argc != 3)
- {
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
-
- duration_start_measure(&duration);
-
- offset = strtoul(args[2], NULL, 0);
- p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
- if (!p)
- {
- command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
- return ERROR_OK;
- }
-
- if (fileio_open(&fileio, args[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
- {
- command_print(cmd_ctx, "flash write_binary error: %s", fileio.error_str);
- return ERROR_OK;
- }
-
- buffer = malloc(fileio.size);
- if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK)
- {
- command_print(cmd_ctx, "flash write_binary error: %s", fileio.error_str);
- return ERROR_OK;
- }
-
- retval = flash_driver_write(p, buffer, offset, buf_cnt);
-
- free(buffer);
-
- duration_stop_measure(&duration, &duration_text);
- if (retval!=ERROR_OK)
- {
- command_print(cmd_ctx, "wrote %"PRIi64" byte from file %s to flash bank %i at offset 0x%8.8x in %s (%f kb/s)",
- fileio.size, args[1], strtoul(args[0], NULL, 0), offset, duration_text,
- (float)fileio.size / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
- }
- free(duration_text);
-
- fileio_close(&fileio);
-
- return retval;
-}
-
-void flash_set_dirty(void)
-{
- flash_bank_t *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 */
-flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr)
-{
- flash_bank_t *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)
- {
- 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) && target == c->target)
- return c;
- }
- ERROR("No flash at address 0x%08x\n", addr);
- return NULL;
-}
-
-/* erase given flash region, selects proper bank according to target and address */
-int flash_erase_address_range(target_t *target, u32 addr, u32 length)
-{
- flash_bank_t *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)
- 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 flash_driver_erase(c, 0, c->num_sectors - 1);
- }
-
- /* check whether it fits */
- if (addr + length > c->base + c->size)
- 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 flash_driver_erase(c, first, last);
-}
-
-/* write (optional verify) an image to flash memory of the given target */
-int flash_write(target_t *target, image_t *image, u32 *written, int erase)
-{
- int retval;
-
- int section;
- u32 section_offset;
- flash_bank_t *c;
-
- 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();
- }
-
- /* loop until we reach end of the image */
- while (section < image->num_sections)
- {
- u32 buffer_size;
- u8 *buffer;
- int section_first;
- int section_last;
- u32 run_address = image->sections[section].base_address + section_offset;
- u32 run_size = image->sections[section].size - section_offset;
-
- if (image->sections[section].size == 0)
- {
- 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;
- while ((run_address + run_size < c->base + c->size)
- && (section_last + 1 < image->num_sections))
- {
- if (image->sections[section_last + 1].base_address < (run_address + run_size))
- {
- DEBUG("section %d out of order(very slightly surprising, but supported)", section_last + 1);
- break;
- }
- if (image->sections[section_last + 1].base_address != (run_address + run_size))
- break;
- run_size += image->sections[++section_last].size;
- }
-
- /* fit the run into bank constraints */
- if (run_address + run_size > c->base + 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)
- {
- u32 size_read;
-
- if (buffer_size - run_size <= image->sections[section].size - section_offset)
- size_read = buffer_size - run_size;
- else
- 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);
-
- return retval;
- }
-
- buffer_size += size_read;
- section_offset += size_read;
-
- if (section_offset >= image->sections[section].size)
- {
- section++;
- section_offset = 0;
- }
- }
-
- 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)
- {
- return retval; /* abort operation */
- }
-
- if (written != NULL)
- *written += run_size; /* add run size to total written counter */
- }
-
- return ERROR_OK;
-}
-
-int handle_flash_auto_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- if (argc != 1)
- {
- return ERROR_COMMAND_SYNTAX_ERROR;
-
- }
-
- if (strcmp(args[0], "on") == 0)
- auto_erase = 1;
- else if (strcmp(args[0], "off") == 0)
- auto_erase = 0;
- else
- return ERROR_COMMAND_SYNTAX_ERROR;
-
- return ERROR_OK;
-}
+/***************************************************************************
+ * 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 "flash.h"
+#include "command.h"
+#include "target.h"
+#include "time_support.h"
+#include "fileio.h"
+#include "image.h"
+#include "log.h"
+
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include <inttypes.h>
+
+/* command handlers */
+int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int handle_flash_banks_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int handle_flash_write_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int handle_flash_auto_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr);
+
+/* flash drivers
+ */
+extern flash_driver_t lpc2000_flash;
+extern flash_driver_t cfi_flash;
+extern flash_driver_t at91sam7_flash;
+extern flash_driver_t str7x_flash;
+extern flash_driver_t str9x_flash;
+extern flash_driver_t stellaris_flash;
+extern flash_driver_t str9xpec_flash;
+extern flash_driver_t stm32x_flash;
+extern flash_driver_t tms470_flash;
+
+flash_driver_t *flash_drivers[] =
+{
+ &lpc2000_flash,
+ &cfi_flash,
+ &at91sam7_flash,
+ &str7x_flash,
+ &str9x_flash,
+ &stellaris_flash,
+ &str9xpec_flash,
+ &stm32x_flash,
+ &tms470_flash,
+ NULL,
+};
+
+flash_bank_t *flash_banks;
+static command_t *flash_cmd;
+static int auto_erase = 0;
+
+/* wafer thin wrapper for invoking the flash driver */
+static int flash_driver_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
+{
+ int retval=ERROR_OK;
+ if (bank->target->state != TARGET_HALTED)
+ {
+ ERROR("target not halted - aborting flash write");
+ retval=ERROR_TARGET_NOT_HALTED;
+ } else
+ {
+ retval=bank->driver->write(bank, buffer, offset, count);
+ }
+ if (retval!=ERROR_OK)
+ {
+ ERROR("Writing to flash bank at address 0x%08x at offset 0x%8.8x", bank->base, offset);
+ }
+ return retval;
+}
+
+static int flash_driver_erase(struct flash_bank_s *bank, int first, int last)
+{
+ int retval=ERROR_OK;
+ if (bank->target->state != TARGET_HALTED)
+ {
+ ERROR("target not halted - aborting flash erase");
+ retval=ERROR_TARGET_NOT_HALTED;
+ } else if ((first < 0) || (last < first) || (last >= bank->num_sectors))
+ {
+ ERROR("invalid flash sector");
+ retval=ERROR_FLASH_SECTOR_INVALID;
+ } else
+ {
+ retval=bank->driver->erase(bank, first, last);
+ }
+ if (retval!=ERROR_OK)
+ {
+ ERROR("Failed erasing banks %d to %d", first, last);
+ }
+ return retval;
+}
+
+int flash_driver_protect(struct flash_bank_s *bank, int set, int first, int last)
+{
+ int retval;
+ if (bank->target->state != TARGET_HALTED)
+ {
+ ERROR("target not halted - aborting flash erase");
+ retval=ERROR_TARGET_NOT_HALTED;
+ } else if ((first < 0) || (last < first) || (last >= bank->num_sectors))
+ {
+ ERROR("invalid flash sector");
+ retval=ERROR_FLASH_SECTOR_INVALID;
+ } else
+ {
+ retval=bank->driver->protect(bank, set, first, last);
+ }
+ if (retval!=ERROR_OK)
+ {
+ ERROR("Failed protecting banks %d to %d", first, last);
+ }
+ return retval;
+}
+
+
+int flash_register_commands(struct command_context_s *cmd_ctx)
+{
+ flash_cmd = register_command(cmd_ctx, NULL, "flash", NULL, COMMAND_ANY, NULL);
+
+ register_command(cmd_ctx, flash_cmd, "bank", handle_flash_bank_command, COMMAND_CONFIG, "flash_bank <driver> <base> <size> <chip_width> <bus_width> <target> [driver_options ...]");
+ register_command(cmd_ctx, flash_cmd, "auto_erase", handle_flash_auto_erase_command, COMMAND_ANY,
+ "auto erase flash sectors <on|off>");
+ return ERROR_OK;
+}
+
+int flash_init_drivers(struct command_context_s *cmd_ctx)
+{
+ if (flash_banks)
+ {
+ register_command(cmd_ctx, flash_cmd, "banks", handle_flash_banks_command, COMMAND_EXEC,
+ "list configured flash banks ");
+ register_command(cmd_ctx, flash_cmd, "info", handle_flash_info_command, COMMAND_EXEC,
+ "print info about flash bank <num>");
+ register_command(cmd_ctx, flash_cmd, "probe", handle_flash_probe_command, COMMAND_EXEC,
+ "identify flash bank <num>");
+ register_command(cmd_ctx, flash_cmd, "erase_check", handle_flash_erase_check_command, COMMAND_EXEC,
+ "check erase state of sectors in flash bank <num>");
+ register_command(cmd_ctx, flash_cmd, "protect_check", handle_flash_protect_check_command, COMMAND_EXEC,
+ "check protection state of sectors in flash bank <num>");
+ register_command(cmd_ctx, flash_cmd, "erase_sector", handle_flash_erase_command, COMMAND_EXEC,
+ "erase sectors at <bank> <first> <last>");
+ register_command(cmd_ctx, flash_cmd, "erase_address", handle_flash_erase_address_command, COMMAND_EXEC,
+ "erase address range <address> <length>");
+ register_command(cmd_ctx, flash_cmd, "write_bank", handle_flash_write_bank_command, COMMAND_EXEC,
+ "write binary data to <bank> <file> <offset>");
+ register_command(cmd_ctx, flash_cmd, "write_image", handle_flash_write_image_command, COMMAND_EXEC,
+ "write_image <file> [offset] [type]");
+ register_command(cmd_ctx, flash_cmd, "protect", handle_flash_protect_command, COMMAND_EXEC,
+ "set protection of sectors at <bank> <first> <last> <on|off>");
+ }
+
+ return ERROR_OK;
+}
+
+flash_bank_t *get_flash_bank_by_num_noprobe(int num)
+{
+ flash_bank_t *p;
+ int i = 0;
+
+ for (p = flash_banks; p; p = p->next)
+ {
+ if (i++ == num)
+ {
+ return p;
+ }
+ }
+ ERROR("Flash bank %d does not exist", num);
+ return NULL;
+}
+
+flash_bank_t *get_flash_bank_by_num(int num)
+{
+ flash_bank_t *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)
+ {
+ ERROR("auto_probe failed %d\n", retval);
+ return NULL;
+ }
+ return p;
+}
+
+int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ int i;
+ int found = 0;
+ target_t *target;
+
+ if (argc < 6)
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ if ((target = get_target_by_num(strtoul(args[5], NULL, 0))) == NULL)
+ {
+ ERROR("target %lu not defined", strtoul(args[5], NULL, 0));
+ return ERROR_OK;
+ }
+
+ for (i = 0; flash_drivers[i]; i++)
+ {
+ if (strcmp(args[0], flash_drivers[i]->name) == 0)
+ {
+ flash_bank_t *p, *c;
+
+ /* register flash specific commands */
+ if (flash_drivers[i]->register_commands(cmd_ctx) != ERROR_OK)
+ {
+ ERROR("couldn't register '%s' commands", args[0]);
+ exit(-1);
+ }
+
+ c = malloc(sizeof(flash_bank_t));
+ c->target = target;
+ c->driver = flash_drivers[i];
+ c->driver_priv = NULL;
+ c->base = strtoul(args[1], NULL, 0);
+ c->size = strtoul(args[2], NULL, 0);
+ c->chip_width = strtoul(args[3], NULL, 0);
+ c->bus_width = strtoul(args[4], NULL, 0);
+ c->num_sectors = 0;
+ c->sectors = NULL;
+ c->next = NULL;
+
+ if (flash_drivers[i]->flash_bank_command(cmd_ctx, cmd, args, argc, c) != ERROR_OK)
+ {
+ ERROR("'%s' driver rejected flash bank at 0x%8.8x", args[0], c->base);
+ free(c);
+ return ERROR_OK;
+ }
+
+ /* put flash bank in linked list */
+ if (flash_banks)
+ {
+ /* find last flash bank */
+ for (p = flash_banks; p && p->next; p = p->next);
+ if (p)
+ p->next = c;
+ }
+ else
+ {
+ flash_banks = c;
+ }
+
+ found = 1;
+ }
+ }
+
+ /* no matching flash driver found */
+ if (!found)
+ {
+ ERROR("flash driver '%s' not found", args[0]);
+ exit(-1);
+ }
+
+ return ERROR_OK;
+}
+
+int handle_flash_banks_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ flash_bank_t *p;
+ int i = 0;
+
+ if (!flash_banks)
+ {
+ command_print(cmd_ctx, "no flash banks configured");
+ return ERROR_OK;
+ }
+
+ for (p = flash_banks; p; p = p->next)
+ {
+ command_print(cmd_ctx, "#%i: %s at 0x%8.8x, size 0x%8.8x, buswidth %i, chipwidth %i",
+ i++, p->driver->name, p->base, p->size, p->bus_width, p->chip_width);
+ }
+
+ return ERROR_OK;
+}
+
+int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ flash_bank_t *p;
+ int i = 0;
+ int j = 0;
+
+ if (argc != 1)
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ for (p = flash_banks; p; p = p->next, i++)
+ {
+ if (i == strtoul(args[0], NULL, 0))
+ {
+ char buf[1024];
+
+ /* attempt auto probe */
+ p->driver->auto_probe(p);
+
+ command_print(cmd_ctx, "#%i: %s at 0x%8.8x, size 0x%8.8x, 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 *erase_state, *protect_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";
+
+ 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#%i: 0x%8.8x (0x%x %ikB) %s, %s",
+ j, p->sectors[j].offset, p->sectors[j].size, p->sectors[j].size>>10,
+ erase_state, protect_state);
+ }
+
+ p->driver->info(p, buf, 1024);
+ command_print(cmd_ctx, "%s", buf);
+ }
+ }
+
+ return ERROR_OK;
+}
+
+int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ flash_bank_t *p;
+ int retval;
+
+ if (argc != 1)
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ p = get_flash_bank_by_num_noprobe(strtoul(args[0], NULL, 0));
+ if (p)
+ {
+ if ((retval = p->driver->probe(p)) == ERROR_OK)
+ {
+ command_print(cmd_ctx, "flash '%s' found at 0x%8.8x", p->driver->name, p->base);
+ }
+ else if (retval == ERROR_FLASH_BANK_INVALID)
+ {
+ command_print(cmd_ctx, "probing failed for flash bank '#%s' at 0x%8.8x",
+ args[0], p->base);
+ }
+ else
+ {
+ command_print(cmd_ctx, "unknown error when probing flash bank '#%s' at 0x%8.8x",
+ args[0], p->base);
+ }
+ }
+ else
+ {
+ command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
+ }
+
+ return ERROR_OK;
+}
+
+int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ flash_bank_t *p;
+ int retval;
+
+ if (argc != 1)
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
+ if (p)
+ {
+ if ((retval = p->driver->erase_check(p)) == ERROR_OK)
+ {
+ command_print(cmd_ctx, "successfully checked erase state", p->driver->name, p->base);
+ }
+ else
+ {
+ command_print(cmd_ctx, "unknown error when checking erase state of flash bank #%s at 0x%8.8x",
+ args[0], p->base);
+ }
+ }
+
+ return ERROR_OK;
+}
+
+int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ flash_bank_t *p;
+ int retval;
+ int address;
+ int length;
+ duration_t duration;
+ char *duration_text;
+
+ target_t *target = get_current_target(cmd_ctx);
+
+ if (argc != 2)
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ address = strtoul(args[0], NULL, 0);
+ length = strtoul(args[1], NULL, 0);
+ 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_COMMAND_SYNTAX_ERROR;
+ }
+
+ /* We can't know if we did a resume + halt, in which case we no longer know the erased state */
+ flash_set_dirty();
+
+ duration_start_measure(&duration);
+
+ if ((retval = flash_erase_address_range(target, address, length)) == ERROR_OK)
+ {
+ duration_stop_measure(&duration, &duration_text);
+ command_print(cmd_ctx, "erased address 0x%8.8x length %i in %s", address, length, duration_text);
+ free(duration_text);
+ }
+
+ return retval;
+}
+
+int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ flash_bank_t *p;
+ int retval;
+
+ if (argc != 1)
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
+ if (p)
+ {
+ 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%8.8x", args[0], p->base);
+ }
+ else
+ {
+ command_print(cmd_ctx, "unknown error when checking protection state of flash bank '#%s' at 0x%8.8x", args[0], p->base);
+ }
+ }
+ else
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ return ERROR_OK;
+}
+
+int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ if (argc > 2)
+ {
+ int first = strtoul(args[1], NULL, 0);
+ int last = strtoul(args[2], NULL, 0);
+ int retval;
+ flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
+ duration_t duration;
+ char *duration_text;
+
+ duration_start_measure(&duration);
+
+ if (!p)
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ if ((retval = flash_driver_erase(p, first, last)) == ERROR_OK)
+ {
+ duration_stop_measure(&duration, &duration_text);
+
+ command_print(cmd_ctx, "erased sectors %i through %i on flash bank %i in %s", first, last, strtoul(args[0], 0, 0), duration_text);
+ free(duration_text);
+ }
+ }
+ else
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ return ERROR_OK;
+}
+
+int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ if (argc > 3)
+ {
+ int first = strtoul(args[1], NULL, 0);
+ int last = strtoul(args[2], NULL, 0);
+ int set;
+ int retval;
+ flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
+ if (!p)
+ {
+ command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
+ return ERROR_OK;
+ }
+
+ if (strcmp(args[3], "on") == 0)
+ set = 1;
+ else if (strcmp(args[3], "off") == 0)
+ set = 0;
+ else
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ 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", first, last, strtoul(args[0], 0, 0));
+ }
+ }
+ else
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ }
+
+ return ERROR_OK;
+}
+
+int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ target_t *target = get_current_target(cmd_ctx);
+
+ image_t image;
+ u32 written;
+
+ duration_t duration;
+ char *duration_text;
+
+ int retval;
+
+ if (argc < 1)
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ }
+
+ if (!target)
+ {
+ ERROR("no target selected");
+ return ERROR_OK;
+ }
+
+ duration_start_measure(&duration);
+
+ if (argc >= 2)
+ {
+ image.base_address_set = 1;
+ image.base_address = strtoul(args[1], NULL, 0);
+ }
+ else
+ {
+ image.base_address_set = 0;
+ image.base_address = 0x0;
+ }
+
+ image.start_address_set = 0;
+
+ retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL);
+ if (retval != ERROR_OK)
+ {
+ command_print(cmd_ctx, "image_open error: %s", image.error_str);
+ return retval;
+ }
+
+ retval = flash_write(target, &image, &written, auto_erase);
+
+ if (retval != ERROR_OK)
+ {
+ image_close(&image);
+ return retval;
+ }
+
+ duration_stop_measure(&duration, &duration_text);
+ if (retval == ERROR_OK)
+ {
+ command_print(cmd_ctx, "wrote %u byte from file %s in %s (%f kb/s)",
+ written, args[0], duration_text,
+ (float)written / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
+ }
+ free(duration_text);
+
+ image_close(&image);
+
+ return retval;
+}
+
+int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ u32 offset;
+ u8 *buffer;
+ u32 buf_cnt;
+
+ fileio_t fileio;
+
+ duration_t duration;
+ char *duration_text;
+
+ int retval;
+ flash_bank_t *p;
+
+ if (argc != 3)
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ duration_start_measure(&duration);
+
+ offset = strtoul(args[2], NULL, 0);
+ p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
+ if (!p)
+ {
+ command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
+ return ERROR_OK;
+ }
+
+ if (fileio_open(&fileio, args[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
+ {
+ command_print(cmd_ctx, "flash write_binary error: %s", fileio.error_str);
+ return ERROR_OK;
+ }
+
+ buffer = malloc(fileio.size);
+ if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK)
+ {
+ command_print(cmd_ctx, "flash write_binary error: %s", fileio.error_str);
+ return ERROR_OK;
+ }
+
+ retval = flash_driver_write(p, buffer, offset, buf_cnt);
+
+ free(buffer);
+
+ duration_stop_measure(&duration, &duration_text);
+ if (retval!=ERROR_OK)
+ {
+ command_print(cmd_ctx, "wrote %"PRIi64" byte from file %s to flash bank %i at offset 0x%8.8x in %s (%f kb/s)",
+ fileio.size, args[1], strtoul(args[0], NULL, 0), offset, duration_text,
+ (float)fileio.size / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
+ }
+ free(duration_text);
+
+ fileio_close(&fileio);
+
+ return retval;
+}
+
+void flash_set_dirty(void)
+{
+ flash_bank_t *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 */
+flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr)
+{
+ flash_bank_t *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)
+ {
+ 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) && target == c->target)
+ return c;
+ }
+ ERROR("No flash at address 0x%08x\n", addr);
+ return NULL;
+}
+
+/* erase given flash region, selects proper bank according to target and address */
+int flash_erase_address_range(target_t *target, u32 addr, u32 length)
+{
+ flash_bank_t *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)
+ 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 flash_driver_erase(c, 0, c->num_sectors - 1);
+ }
+
+ /* check whether it fits */
+ if (addr + length > c->base + c->size)
+ 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 flash_driver_erase(c, first, last);
+}
+
+/* write (optional verify) an image to flash memory of the given target */
+int flash_write(target_t *target, image_t *image, u32 *written, int erase)
+{
+ int retval;
+
+ int section;
+ u32 section_offset;
+ flash_bank_t *c;
+
+ 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();
+ }
+
+ /* loop until we reach end of the image */
+ while (section < image->num_sections)
+ {
+ u32 buffer_size;
+ u8 *buffer;
+ int section_first;
+ int section_last;
+ u32 run_address = image->sections[section].base_address + section_offset;
+ u32 run_size = image->sections[section].size - section_offset;
+
+ if (image->sections[section].size == 0)
+ {
+ 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;
+ while ((run_address + run_size < c->base + c->size)
+ && (section_last + 1 < image->num_sections))
+ {
+ if (image->sections[section_last + 1].base_address < (run_address + run_size))
+ {
+ DEBUG("section %d out of order(very slightly surprising, but supported)", section_last + 1);
+ break;
+ }
+ if (image->sections[section_last + 1].base_address != (run_address + run_size))
+ break;
+ run_size += image->sections[++section_last].size;
+ }
+
+ /* fit the run into bank constraints */
+ if (run_address + run_size > c->base + 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)
+ {
+ u32 size_read;
+
+ if (buffer_size - run_size <= image->sections[section].size - section_offset)
+ size_read = buffer_size - run_size;
+ else
+ 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);
+
+ return retval;
+ }
+
+ buffer_size += size_read;
+ section_offset += size_read;
+
+ if (section_offset >= image->sections[section].size)
+ {
+ section++;
+ section_offset = 0;
+ }
+ }
+
+ 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)
+ {
+ return retval; /* abort operation */
+ }
+
+ if (written != NULL)
+ *written += run_size; /* add run size to total written counter */
+ }
+
+ return ERROR_OK;
+}
+
+int handle_flash_auto_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ if (argc != 1)
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ }
+
+ if (strcmp(args[0], "on") == 0)
+ auto_erase = 1;
+ else if (strcmp(args[0], "off") == 0)
+ auto_erase = 0;
+ else
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ return ERROR_OK;
+}