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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 "time_support.h"
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <fileio.h>
#include <image.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;
extern flash_driver_t str9x_flash;
flash_driver_t *flash_drivers[] =
{
&lpc2000_flash,
&cfi_flash,
&at91sam7_flash,
&str7x_flash,
&str9x_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));
struct timeval start, end, duration;
gettimeofday(&start, NULL);
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
{
gettimeofday(&end, NULL);
timeval_subtract(&duration, &end, &start);
command_print(cmd_ctx, "erased sectors %i through %i on flash bank %i in %is %ius", first, last, strtoul(args[0], 0, 0), duration.tv_sec, duration.tv_usec);
}
}
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, "%s protection for sectors %i through %i on flash bank %i", (set) ? "set" : "cleared", first, last, strtoul(args[0], 0, 0));
}
}
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)
{
u32 offset;
u32 binary_size;
u8 *buffer;
u32 buf_cnt;
image_t image;
duration_t duration;
char *duration_text;
int retval;
flash_bank_t *p;
if (argc < 3)
{
command_print(cmd_ctx, "usage: flash write <bank> <file> <offset> [type]");
return ERROR_OK;
}
duration_start_measure(&duration);
identify_image_type(&image.type, (argc == 4) ? args[3] : NULL);
image.base_address_set = 1;
image.base_address = strtoul(args[1], NULL, 0);
image.start_address_set = 0;
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 (image_open(&image, args[1], FILEIO_READ) != ERROR_OK)
{
command_print(cmd_ctx, "flash write error: %s", image.error_str);
return ERROR_OK;
}
binary_size = image.size;
buffer = malloc(binary_size);
image_read(&image, binary_size, buffer, &buf_cnt);
if ((retval = p->driver->write(p, buffer, offset, buf_cnt)) != ERROR_OK)
{
command_print(cmd_ctx, "failed writing file %s to flash bank %i at offset 0x%8.8x",
args[1], strtoul(args[0], NULL, 0), strtoul(args[2], NULL, 0));
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");
}
}
else
{
duration_stop_measure(&duration, &duration_text);
command_print(cmd_ctx, "wrote file %s to flash bank %i at offset 0x%8.8x in %s",
args[1], strtoul(args[0], NULL, 0), offset, duration_text);
free(duration_text);
}
free(buffer);
image_close(&image);
return ERROR_OK;
}
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