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- /***************************************************************************
- * 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 "log.h"
- #include "target.h"
-
- #include <string.h>
- #include <unistd.h>
- #include <stdlib.h>
- #include <sys/types.h>
- #include <sys/stat.h>
- #include <errno.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_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_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-
- /* 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;
-
- flash_driver_t *flash_drivers[] =
- {
- &lpc2000_flash,
- &cfi_flash,
- &at91sam7_flash,
- &str7x_flash,
- NULL,
- };
-
- flash_bank_t *flash_banks;
- static command_t *flash_cmd;
-
- 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, NULL);
-
- return ERROR_OK;
- }
-
- int flash_init(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", handle_flash_erase_command, COMMAND_EXEC,
- "erase sectors at <bank> <first> <last>");
- register_command(cmd_ctx, flash_cmd, "write", handle_flash_write_command, COMMAND_EXEC,
- "write binary <bank> <file> <offset>");
- 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(int num)
- {
- flash_bank_t *p;
- int i = 0;
-
- for (p = flash_banks; p; p = p->next)
- {
- if (i++ == num)
- {
- return p;
- }
- }
-
- return NULL;
- }
-
- /* flash_bank <driver> <base> <size> <chip_width> <bus_width> [driver_options ...]
- */
- int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
- {
- int i;
- int found = 0;
-
- if (argc < 5)
- {
- WARNING("incomplete flash_bank configuration");
- 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->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->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)
- {
- command_print(cmd_ctx, "usage: flash info <num>");
- return ERROR_OK;
- }
-
- for (p = flash_banks; p; p = p->next)
- {
- if (i++ == strtoul(args[0], NULL, 0))
- {
- char buf[1024];
-
- 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%xkB) %s, %s",
- j, p->sectors[j].offset, p->sectors[j].size,
- 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)
- {
- command_print(cmd_ctx, "usage: flash probe <num>");
- return ERROR_OK;
- }
-
- p = get_flash_bank_by_num(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)
- {
- command_print(cmd_ctx, "usage: flash erase_check <num>");
- return ERROR_OK;
- }
-
- 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);
- }
- }
- else
- {
- command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
- }
-
- return ERROR_OK;
- }
-
- 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)
- {
- command_print(cmd_ctx, "usage: flash protect_check <num>");
- return ERROR_OK;
- }
-
- 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
- {
- command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
- }
-
- 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));
- if (!p)
- {
- command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
- return ERROR_OK;
- }
-
- if ((retval = p->driver->erase(p, first, last)) != ERROR_OK)
- {
- switch (retval)
- {
- case ERROR_TARGET_NOT_HALTED:
- command_print(cmd_ctx, "can't work with this flash while target is running");
- break;
- case ERROR_INVALID_ARGUMENTS:
- command_print(cmd_ctx, "usage: flash_erase <bank> <first> <last>");
- break;
- case ERROR_FLASH_BANK_INVALID:
- command_print(cmd_ctx, "no '%s' flash found at 0x%8.8x", p->driver->name, p->base);
- break;
- case ERROR_FLASH_OPERATION_FAILED:
- command_print(cmd_ctx, "flash erase error");
- break;
- case ERROR_FLASH_SECTOR_INVALID:
- command_print(cmd_ctx, "sector number(s) invalid");
- break;
- case ERROR_OK:
- command_print(cmd_ctx, "erased flash sectors %i to %i", first, last);
- break;
- default:
- command_print(cmd_ctx, "unknown error");
- }
- }
- }
- else
- {
- command_print(cmd_ctx, "usage: flash erase <bank> <first> <last>");
- }
-
- 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
- {
- command_print(cmd_ctx, "usage: flash protect <bank> <first> <last> <on|off>");
- return ERROR_OK;
- }
-
- if ((retval = p->driver->protect(p, set, first, last)) != ERROR_OK)
- {
- switch (retval)
- {
- case ERROR_TARGET_NOT_HALTED:
- command_print(cmd_ctx, "can't work with this flash while target is running");
- break;
- case ERROR_INVALID_ARGUMENTS:
- command_print(cmd_ctx, "usage: flash protect <bank> <first> <last> <on|off>");
- break;
- case ERROR_FLASH_BANK_INVALID:
- command_print(cmd_ctx, "no '%s' flash found at 0x%8.8x", p->driver->name, p->base);
- break;
- case ERROR_FLASH_OPERATION_FAILED:
- command_print(cmd_ctx, "flash program error");
- break;
- case ERROR_FLASH_SECTOR_INVALID:
- command_print(cmd_ctx, "sector number(s) invalid");
- break;
- case ERROR_OK:
- command_print(cmd_ctx, "protection of flash sectors %i to %i turned %s", first, last, args[3]);
- break;
- default:
- command_print(cmd_ctx, "unknown error");
- }
- }
- }
- else
- {
- command_print(cmd_ctx, "usage: flash protect <bank> <first> <last> <on|off>");
- }
-
- return ERROR_OK;
- }
-
- int handle_flash_write_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
- {
- FILE *binary;
- u32 offset;
- struct stat binary_stat;
- u32 binary_size;
- u8 *buffer;
- u32 buf_cnt;
- int retval;
- flash_bank_t *p;
-
- if (argc < 3)
- {
- command_print(cmd_ctx, "usage: flash write <bank> <file> <offset>");
- return ERROR_OK;
- }
-
- 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 (stat(args[1], &binary_stat) == -1)
- {
- ERROR("couldn't stat() %s: %s", args[1], strerror(errno));
- return ERROR_OK;
- }
-
- if (S_ISDIR(binary_stat.st_mode))
- {
- ERROR("%s is a directory", args[1]);
- command_print(cmd_ctx,"%s is a directory", args[1]);
- return ERROR_OK;
- }
-
- if (binary_stat.st_size == 0){
- ERROR("Empty file %s", args[1]);
- command_print(cmd_ctx,"Empty file %s", args[1]);
- return ERROR_OK;
- }
-
- if (!(binary = fopen(args[1], "rb")))
- {
- ERROR("couldn't open %s: %s", args[1], strerror(errno));
- command_print(cmd_ctx, "couldn't open %s", args[1]);
- return ERROR_OK;
- }
-
- binary_size = binary_stat.st_size;
- buffer = malloc(binary_size);
- buf_cnt = fread(buffer, 1, binary_size, binary);
-
- if ((retval = p->driver->write(p, buffer, offset, buf_cnt)) != ERROR_OK)
- {
- switch (retval)
- {
- case ERROR_TARGET_NOT_HALTED:
- command_print(cmd_ctx, "can't work with this flash while target is running");
- break;
- case ERROR_INVALID_ARGUMENTS:
- command_print(cmd_ctx, "usage: flash write <bank> <file> <offset>");
- break;
- case ERROR_FLASH_BANK_INVALID:
- command_print(cmd_ctx, "no '%s' flash found at 0x%8.8x", p->driver->name, p->base);
- break;
- case ERROR_FLASH_OPERATION_FAILED:
- command_print(cmd_ctx, "flash program error");
- break;
- case ERROR_FLASH_DST_BREAKS_ALIGNMENT:
- command_print(cmd_ctx, "offset breaks required alignment");
- break;
- case ERROR_FLASH_DST_OUT_OF_BANK:
- command_print(cmd_ctx, "destination is out of flash bank (offset and/or file too large)");
- break;
- case ERROR_FLASH_SECTOR_NOT_ERASED:
- command_print(cmd_ctx, "destination sector(s) not erased");
- break;
- default:
- command_print(cmd_ctx, "unknown error");
- }
- }
- free(buffer);
- fclose(binary);
-
- command_print(cmd_ctx, "wrote file %s to flash bank %i at offset 0x%8.8x", args[1], strtoul(args[0], NULL, 0), strtoul(args[2], NULL, 0));
-
- return ERROR_OK;
-
- }
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