1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
5 * Copyright (C) 2007,2008 Øyvind Harboe *
6 * oyvind.harboe@zylin.com *
8 * Copyright (C) 2008 by Spencer Oliver *
9 * spen@spen-soft.co.uk *
11 * This program is free software; you can redistribute it and/or modify *
12 * it under the terms of the GNU General Public License as published by *
13 * the Free Software Foundation; either version 2 of the License, or *
14 * (at your option) any later version. *
16 * This program is distributed in the hope that it will be useful, *
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
19 * GNU General Public License for more details. *
21 * You should have received a copy of the GNU General Public License *
22 * along with this program; if not, write to the *
23 * Free Software Foundation, Inc., *
24 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
25 ***************************************************************************/
33 #include "time_support.h"
38 #include "algorithm.h"
39 #include "binarybuffer.h"
45 #include <sys/types.h>
50 /* command handlers */
51 static int handle_flash_bank_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
52 static int handle_flash_info_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
53 static int handle_flash_probe_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
54 static int handle_flash_erase_check_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
55 static int handle_flash_erase_address_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
56 static int handle_flash_protect_check_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
57 static int handle_flash_erase_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
58 static int handle_flash_write_bank_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
59 static int handle_flash_write_image_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
60 static int handle_flash_fill_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
61 static int handle_flash_protect_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
65 extern flash_driver_t lpc2000_flash
;
66 extern flash_driver_t cfi_flash
;
67 extern flash_driver_t at91sam7_flash
;
68 extern flash_driver_t at91sam7_old_flash
;
69 extern flash_driver_t str7x_flash
;
70 extern flash_driver_t str9x_flash
;
71 extern flash_driver_t aduc702x_flash
;
72 extern flash_driver_t stellaris_flash
;
73 extern flash_driver_t str9xpec_flash
;
74 extern flash_driver_t stm32x_flash
;
75 extern flash_driver_t tms470_flash
;
76 extern flash_driver_t ecosflash_flash
;
77 extern flash_driver_t lpc288x_flash
;
78 extern flash_driver_t ocl_flash
;
79 extern flash_driver_t pic32mx_flash
;
81 flash_driver_t
*flash_drivers
[] = {
100 flash_bank_t
*flash_banks
;
101 static command_t
*flash_cmd
;
103 /* wafer thin wrapper for invoking the flash driver */
104 static int flash_driver_write(struct flash_bank_s
*bank
, u8
*buffer
, u32 offset
, u32 count
)
108 retval
=bank
->driver
->write(bank
, buffer
, offset
, count
);
109 if (retval
!=ERROR_OK
)
111 LOG_ERROR("error writing to flash at address 0x%08x at offset 0x%8.8x (%d)", bank
->base
, offset
, retval
);
117 static int flash_driver_erase(struct flash_bank_s
*bank
, int first
, int last
)
121 retval
=bank
->driver
->erase(bank
, first
, last
);
122 if (retval
!=ERROR_OK
)
124 LOG_ERROR("failed erasing sectors %d to %d (%d)", first
, last
, retval
);
130 int flash_driver_protect(struct flash_bank_s
*bank
, int set
, int first
, int last
)
134 retval
=bank
->driver
->protect(bank
, set
, first
, last
);
135 if (retval
!=ERROR_OK
)
137 LOG_ERROR("failed setting protection for areas %d to %d (%d)", first
, last
, retval
);
143 int flash_register_commands(struct command_context_s
*cmd_ctx
)
145 flash_cmd
= register_command(cmd_ctx
, NULL
, "flash", NULL
, COMMAND_ANY
, NULL
);
147 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 ...]");
151 static int jim_flash_banks(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
156 Jim_WrongNumArgs(interp
, 1, argv
, "no arguments to flash_banks command");
160 Jim_Obj
*list
=Jim_NewListObj(interp
, NULL
, 0);
161 for (p
= flash_banks
; p
; p
= p
->next
)
163 Jim_Obj
*elem
=Jim_NewListObj(interp
, NULL
, 0);
165 Jim_ListAppendElement(interp
, elem
, Jim_NewStringObj(interp
, "name", -1));
166 Jim_ListAppendElement(interp
, elem
, Jim_NewStringObj(interp
, p
->driver
->name
, -1));
167 Jim_ListAppendElement(interp
, elem
, Jim_NewStringObj(interp
, "base", -1));
168 Jim_ListAppendElement(interp
, elem
, Jim_NewIntObj(interp
, p
->base
));
169 Jim_ListAppendElement(interp
, elem
, Jim_NewStringObj(interp
, "size", -1));
170 Jim_ListAppendElement(interp
, elem
, Jim_NewIntObj(interp
, p
->size
));
171 Jim_ListAppendElement(interp
, elem
, Jim_NewStringObj(interp
, "bus_width", -1));
172 Jim_ListAppendElement(interp
, elem
, Jim_NewIntObj(interp
, p
->bus_width
));
173 Jim_ListAppendElement(interp
, elem
, Jim_NewStringObj(interp
, "chip_width", -1));
174 Jim_ListAppendElement(interp
, elem
, Jim_NewIntObj(interp
, p
->chip_width
));
176 Jim_ListAppendElement(interp
, list
, elem
);
179 Jim_SetResult(interp
, list
);
184 int flash_init_drivers(struct command_context_s
*cmd_ctx
)
186 register_jim(cmd_ctx
, "ocd_flash_banks", jim_flash_banks
, "return information about the flash banks");
190 register_command(cmd_ctx
, flash_cmd
, "info", handle_flash_info_command
, COMMAND_EXEC
,
191 "print info about flash bank <num>");
192 register_command(cmd_ctx
, flash_cmd
, "probe", handle_flash_probe_command
, COMMAND_EXEC
,
193 "identify flash bank <num>");
194 register_command(cmd_ctx
, flash_cmd
, "erase_check", handle_flash_erase_check_command
, COMMAND_EXEC
,
195 "check erase state of sectors in flash bank <num>");
196 register_command(cmd_ctx
, flash_cmd
, "protect_check", handle_flash_protect_check_command
, COMMAND_EXEC
,
197 "check protection state of sectors in flash bank <num>");
198 register_command(cmd_ctx
, flash_cmd
, "erase_sector", handle_flash_erase_command
, COMMAND_EXEC
,
199 "erase sectors at <bank> <first> <last>");
200 register_command(cmd_ctx
, flash_cmd
, "erase_address", handle_flash_erase_address_command
, COMMAND_EXEC
,
201 "erase address range <address> <length>");
203 register_command(cmd_ctx
, flash_cmd
, "fillw", handle_flash_fill_command
, COMMAND_EXEC
,
204 "fill with pattern (no autoerase) <address> <word_pattern> <count>");
205 register_command(cmd_ctx
, flash_cmd
, "fillh", handle_flash_fill_command
, COMMAND_EXEC
,
206 "fill with pattern <address> <halfword_pattern> <count>");
207 register_command(cmd_ctx
, flash_cmd
, "fillb", handle_flash_fill_command
, COMMAND_EXEC
,
208 "fill with pattern <address> <byte_pattern> <count>");
210 register_command(cmd_ctx
, flash_cmd
, "write_bank", handle_flash_write_bank_command
, COMMAND_EXEC
,
211 "write binary data to <bank> <file> <offset>");
212 register_command(cmd_ctx
, flash_cmd
, "write_image", handle_flash_write_image_command
, COMMAND_EXEC
,
213 "write_image [erase] <file> [offset] [type]");
214 register_command(cmd_ctx
, flash_cmd
, "protect", handle_flash_protect_command
, COMMAND_EXEC
,
215 "set protection of sectors at <bank> <first> <last> <on|off>");
221 flash_bank_t
*get_flash_bank_by_num_noprobe(int num
)
226 for (p
= flash_banks
; p
; p
= p
->next
)
233 LOG_ERROR("flash bank %d does not exist", num
);
237 int flash_get_bank_count(void)
241 for (p
= flash_banks
; p
; p
= p
->next
)
248 flash_bank_t
*get_flash_bank_by_num(int num
)
250 flash_bank_t
*p
= get_flash_bank_by_num_noprobe(num
);
256 retval
= p
->driver
->auto_probe(p
);
258 if (retval
!= ERROR_OK
)
260 LOG_ERROR("auto_probe failed %d\n", retval
);
266 static int handle_flash_bank_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
275 return ERROR_COMMAND_SYNTAX_ERROR
;
278 if ((target
= get_target_by_num(strtoul(args
[5], NULL
, 0))) == NULL
)
280 LOG_ERROR("target %lu not defined", strtoul(args
[5], NULL
, 0));
284 for (i
= 0; flash_drivers
[i
]; i
++)
286 if (strcmp(args
[0], flash_drivers
[i
]->name
) == 0)
290 /* register flash specific commands */
291 if (flash_drivers
[i
]->register_commands(cmd_ctx
) != ERROR_OK
)
293 LOG_ERROR("couldn't register '%s' commands", args
[0]);
297 c
= malloc(sizeof(flash_bank_t
));
299 c
->driver
= flash_drivers
[i
];
300 c
->driver_priv
= NULL
;
301 c
->base
= strtoul(args
[1], NULL
, 0);
302 c
->size
= strtoul(args
[2], NULL
, 0);
303 c
->chip_width
= strtoul(args
[3], NULL
, 0);
304 c
->bus_width
= strtoul(args
[4], NULL
, 0);
309 if ((retval
=flash_drivers
[i
]->flash_bank_command(cmd_ctx
, cmd
, args
, argc
, c
)) != ERROR_OK
)
311 LOG_ERROR("'%s' driver rejected flash bank at 0x%8.8x", args
[0], c
->base
);
316 /* put flash bank in linked list */
320 /* find last flash bank */
321 for (p
= flash_banks
; p
&& p
->next
; p
= p
->next
) bank_num
++;
324 c
->bank_number
= bank_num
+ 1;
336 /* no matching flash driver found */
339 LOG_ERROR("flash driver '%s' not found", args
[0]);
346 static int handle_flash_info_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
355 return ERROR_COMMAND_SYNTAX_ERROR
;
358 for (p
= flash_banks
; p
; p
= p
->next
, i
++)
360 if (i
== strtoul(args
[0], NULL
, 0))
364 /* attempt auto probe */
365 if ((retval
= p
->driver
->auto_probe(p
)) != ERROR_OK
)
368 command_print(cmd_ctx
, "#%i: %s at 0x%8.8x, size 0x%8.8x, buswidth %i, chipwidth %i",
369 i
, p
->driver
->name
, p
->base
, p
->size
, p
->bus_width
, p
->chip_width
);
370 for (j
= 0; j
< p
->num_sectors
; j
++)
374 if (p
->sectors
[j
].is_protected
== 0)
375 protect_state
= "not protected";
376 else if (p
->sectors
[j
].is_protected
== 1)
377 protect_state
= "protected";
379 protect_state
= "protection state unknown";
381 command_print(cmd_ctx
, "\t#%3i: 0x%8.8x (0x%x %ikB) %s",
382 j
, p
->sectors
[j
].offset
, p
->sectors
[j
].size
, p
->sectors
[j
].size
>>10,
386 *buf
= '\0'; /* initialize buffer, otherwise it migh contain garbage if driver function fails */
387 retval
= p
->driver
->info(p
, buf
, sizeof(buf
));
388 command_print(cmd_ctx
, "%s", buf
);
389 if (retval
!= ERROR_OK
)
390 LOG_ERROR("error retrieving flash info (%d)", retval
);
397 static int handle_flash_probe_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
404 return ERROR_COMMAND_SYNTAX_ERROR
;
407 p
= get_flash_bank_by_num_noprobe(strtoul(args
[0], NULL
, 0));
410 if ((retval
= p
->driver
->probe(p
)) == ERROR_OK
)
412 command_print(cmd_ctx
, "flash '%s' found at 0x%8.8x", p
->driver
->name
, p
->base
);
414 else if (retval
== ERROR_FLASH_BANK_INVALID
)
416 command_print(cmd_ctx
, "probing failed for flash bank '#%s' at 0x%8.8x",
421 command_print(cmd_ctx
, "unknown error when probing flash bank '#%s' at 0x%8.8x",
427 command_print(cmd_ctx
, "flash bank '#%s' is out of bounds", args
[0]);
433 static int handle_flash_erase_check_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
440 return ERROR_COMMAND_SYNTAX_ERROR
;
443 p
= get_flash_bank_by_num(strtoul(args
[0], NULL
, 0));
447 if ((retval
= p
->driver
->erase_check(p
)) == ERROR_OK
)
449 command_print(cmd_ctx
, "successfully checked erase state", p
->driver
->name
, p
->base
);
453 command_print(cmd_ctx
, "unknown error when checking erase state of flash bank #%s at 0x%8.8x",
457 for (j
= 0; j
< p
->num_sectors
; j
++)
461 if (p
->sectors
[j
].is_erased
== 0)
462 erase_state
= "not erased";
463 else if (p
->sectors
[j
].is_erased
== 1)
464 erase_state
= "erased";
466 erase_state
= "erase state unknown";
468 command_print(cmd_ctx
, "\t#%3i: 0x%8.8x (0x%x %ikB) %s",
469 j
, p
->sectors
[j
].offset
, p
->sectors
[j
].size
, p
->sectors
[j
].size
>>10,
477 static int handle_flash_erase_address_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
486 target_t
*target
= get_current_target(cmd_ctx
);
490 return ERROR_COMMAND_SYNTAX_ERROR
;
493 address
= strtoul(args
[0], NULL
, 0);
494 length
= strtoul(args
[1], NULL
, 0);
497 command_print(cmd_ctx
, "Length must be >0");
498 return ERROR_COMMAND_SYNTAX_ERROR
;
501 p
= get_flash_bank_by_addr(target
, address
);
507 /* We can't know if we did a resume + halt, in which case we no longer know the erased state */
510 duration_start_measure(&duration
);
512 if ((retval
= flash_erase_address_range(target
, address
, length
)) == ERROR_OK
)
514 if ((retval
= duration_stop_measure(&duration
, &duration_text
)) != ERROR_OK
)
518 command_print(cmd_ctx
, "erased address 0x%8.8x length %i in %s", address
, length
, duration_text
);
525 static int handle_flash_protect_check_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
532 return ERROR_COMMAND_SYNTAX_ERROR
;
535 p
= get_flash_bank_by_num(strtoul(args
[0], NULL
, 0));
538 if ((retval
= p
->driver
->protect_check(p
)) == ERROR_OK
)
540 command_print(cmd_ctx
, "successfully checked protect state");
542 else if (retval
== ERROR_FLASH_OPERATION_FAILED
)
544 command_print(cmd_ctx
, "checking protection state failed (possibly unsupported) by flash #%s at 0x%8.8x", args
[0], p
->base
);
548 command_print(cmd_ctx
, "unknown error when checking protection state of flash bank '#%s' at 0x%8.8x", args
[0], p
->base
);
553 return ERROR_COMMAND_SYNTAX_ERROR
;
559 static int handle_flash_erase_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
563 int first
= strtoul(args
[1], NULL
, 0);
564 int last
= strtoul(args
[2], NULL
, 0);
566 flash_bank_t
*p
= get_flash_bank_by_num(strtoul(args
[0], NULL
, 0));
570 duration_start_measure(&duration
);
574 return ERROR_COMMAND_SYNTAX_ERROR
;
577 if ((retval
= flash_driver_erase(p
, first
, last
)) == ERROR_OK
)
579 if ((retval
= duration_stop_measure(&duration
, &duration_text
)) != ERROR_OK
)
584 command_print(cmd_ctx
, "erased sectors %i through %i on flash bank %i in %s", first
, last
, strtoul(args
[0], 0, 0), duration_text
);
590 return ERROR_COMMAND_SYNTAX_ERROR
;
596 static int handle_flash_protect_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
600 int first
= strtoul(args
[1], NULL
, 0);
601 int last
= strtoul(args
[2], NULL
, 0);
604 flash_bank_t
*p
= get_flash_bank_by_num(strtoul(args
[0], NULL
, 0));
607 command_print(cmd_ctx
, "flash bank '#%s' is out of bounds", args
[0]);
611 if (strcmp(args
[3], "on") == 0)
613 else if (strcmp(args
[3], "off") == 0)
617 return ERROR_COMMAND_SYNTAX_ERROR
;
620 retval
= flash_driver_protect(p
, set
, first
, last
);
621 if (retval
== ERROR_OK
)
623 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));
628 return ERROR_COMMAND_SYNTAX_ERROR
;
635 static int handle_flash_write_image_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
637 target_t
*target
= get_current_target(cmd_ctx
);
645 int retval
, retvaltemp
;
649 return ERROR_COMMAND_SYNTAX_ERROR
;
652 /* flash auto-erase is disabled by default*/
655 if (strcmp(args
[0], "erase")==0)
660 command_print(cmd_ctx
, "auto erase enabled");
665 return ERROR_COMMAND_SYNTAX_ERROR
;
670 LOG_ERROR("no target selected");
674 duration_start_measure(&duration
);
678 image
.base_address_set
= 1;
679 image
.base_address
= strtoul(args
[1], NULL
, 0);
683 image
.base_address_set
= 0;
684 image
.base_address
= 0x0;
687 image
.start_address_set
= 0;
689 retval
= image_open(&image
, args
[0], (argc
== 3) ? args
[2] : NULL
);
690 if (retval
!= ERROR_OK
)
695 retval
= flash_write(target
, &image
, &written
, auto_erase
);
696 if (retval
!= ERROR_OK
)
702 if ((retvaltemp
= duration_stop_measure(&duration
, &duration_text
)) != ERROR_OK
)
707 if (retval
== ERROR_OK
)
709 command_print(cmd_ctx
, "wrote %u byte from file %s in %s (%f kb/s)",
710 written
, args
[0], duration_text
,
711 (float)written
/ 1024.0 / ((float)duration
.duration
.tv_sec
+ ((float)duration
.duration
.tv_usec
/ 1000000.0)));
720 static int handle_flash_fill_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
722 int err
= ERROR_OK
, retval
;
732 target_t
*target
= get_current_target(cmd_ctx
);
738 return ERROR_COMMAND_SYNTAX_ERROR
;
741 address
= strtoul(args
[0], NULL
, 0);
742 pattern
= strtoul(args
[1], NULL
, 0);
743 count
= strtoul(args
[2], NULL
, 0);
760 return ERROR_COMMAND_SYNTAX_ERROR
;
763 chunk_count
= MIN(count
, (1024 / wordsize
));
767 for(i
= 0; i
< chunk_count
; i
++)
769 target_buffer_set_u32(target
, chunk
+ i
* wordsize
, pattern
);
773 for(i
= 0; i
< chunk_count
; i
++)
775 target_buffer_set_u16(target
, chunk
+ i
* wordsize
, pattern
);
779 memset(chunk
, pattern
, chunk_count
);
782 LOG_ERROR("BUG: can't happen");
786 duration_start_measure(&duration
);
788 for (wrote
=0; wrote
<(count
*wordsize
); wrote
+= cur_size
)
790 cur_size
= MIN( (count
*wordsize
- wrote
), sizeof(chunk
) );
792 bank
= get_flash_bank_by_addr(target
, address
);
797 err
= flash_driver_write(bank
, chunk
, address
- bank
->base
+ wrote
, cur_size
);
802 if ((retval
= duration_stop_measure(&duration
, &duration_text
)) != ERROR_OK
)
810 speed
=wrote
/ 1024.0;
811 speed
/=((float)duration
.duration
.tv_sec
+ ((float)duration
.duration
.tv_usec
/ 1000000.0));
812 command_print(cmd_ctx
, "wrote %d bytes to 0x%8.8x in %s (%f kb/s)",
813 count
*wordsize
, address
, duration_text
,
820 static int handle_flash_write_bank_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
831 int retval
, retvaltemp
;
836 return ERROR_COMMAND_SYNTAX_ERROR
;
839 duration_start_measure(&duration
);
841 offset
= strtoul(args
[2], NULL
, 0);
842 p
= get_flash_bank_by_num(strtoul(args
[0], NULL
, 0));
845 command_print(cmd_ctx
, "flash bank '#%s' is out of bounds", args
[0]);
849 if (fileio_open(&fileio
, args
[1], FILEIO_READ
, FILEIO_BINARY
) != ERROR_OK
)
854 buffer
= malloc(fileio
.size
);
855 if (fileio_read(&fileio
, fileio
.size
, buffer
, &buf_cnt
) != ERROR_OK
)
858 fileio_close(&fileio
);
862 retval
= flash_driver_write(p
, buffer
, offset
, buf_cnt
);
867 if ((retvaltemp
= duration_stop_measure(&duration
, &duration_text
)) != ERROR_OK
)
869 fileio_close(&fileio
);
872 if (retval
==ERROR_OK
)
874 command_print(cmd_ctx
, "wrote %"PRIi64
" byte from file %s to flash bank %i at offset 0x%8.8x in %s (%f kb/s)",
875 fileio
.size
, args
[1], strtoul(args
[0], NULL
, 0), offset
, duration_text
,
876 (float)fileio
.size
/ 1024.0 / ((float)duration
.duration
.tv_sec
+ ((float)duration
.duration
.tv_usec
/ 1000000.0)));
880 fileio_close(&fileio
);
885 void flash_set_dirty(void)
890 /* set all flash to require erasing */
891 for (c
= flash_banks
; c
; c
= c
->next
)
893 for (i
= 0; i
< c
->num_sectors
; i
++)
895 c
->sectors
[i
].is_erased
= 0;
900 /* lookup flash bank by address */
901 flash_bank_t
*get_flash_bank_by_addr(target_t
*target
, u32 addr
)
905 /* cycle through bank list */
906 for (c
= flash_banks
; c
; c
= c
->next
)
909 retval
= c
->driver
->auto_probe(c
);
911 if (retval
!= ERROR_OK
)
913 LOG_ERROR("auto_probe failed %d\n", retval
);
916 /* check whether address belongs to this flash bank */
917 if ((addr
>= c
->base
) && (addr
<= c
->base
+ (c
->size
- 1)) && target
== c
->target
)
920 LOG_ERROR("No flash at address 0x%08x\n", addr
);
924 /* erase given flash region, selects proper bank according to target and address */
925 int flash_erase_address_range(target_t
*target
, u32 addr
, u32 length
)
932 if ((c
= get_flash_bank_by_addr(target
, addr
)) == NULL
)
933 return ERROR_FLASH_DST_OUT_OF_BANK
; /* no corresponding bank found */
935 if (c
->size
== 0 || c
->num_sectors
== 0)
937 LOG_ERROR("Bank is invalid");
938 return ERROR_FLASH_BANK_INVALID
;
943 /* special case, erase whole bank when length is zero */
945 return ERROR_FLASH_DST_BREAKS_ALIGNMENT
;
947 return flash_driver_erase(c
, 0, c
->num_sectors
- 1);
950 /* check whether it fits */
951 if (addr
+ length
- 1 > c
->base
+ c
->size
- 1)
952 return ERROR_FLASH_DST_BREAKS_ALIGNMENT
;
956 for (i
= 0; i
< c
->num_sectors
; i
++)
958 /* check whether sector overlaps with the given range and is not yet erased */
959 if (addr
< c
->sectors
[i
].offset
+ c
->sectors
[i
].size
&& addr
+ length
> c
->sectors
[i
].offset
&& c
->sectors
[i
].is_erased
!= 1) {
960 /* if first is not set yet then this is the first sector */
963 last
= i
; /* and it is the last one so far in any case */
967 if( first
== -1 || last
== -1 )
970 return flash_driver_erase(c
, first
, last
);
973 /* write (optional verify) an image to flash memory of the given target */
974 int flash_write(target_t
*target
, image_t
*image
, u32
*written
, int erase
)
991 /* assume all sectors need erasing - stops any problems
992 * when flash_write is called multiple times */
997 /* allocate padding array */
998 padding
= malloc(image
->num_sections
* sizeof(padding
));
1000 /* loop until we reach end of the image */
1001 while (section
< image
->num_sections
)
1007 u32 run_address
= image
->sections
[section
].base_address
+ section_offset
;
1008 u32 run_size
= image
->sections
[section
].size
- section_offset
;
1011 if (image
->sections
[section
].size
== 0)
1013 LOG_WARNING("empty section %d", section
);
1019 /* find the corresponding flash bank */
1020 if ((c
= get_flash_bank_by_addr(target
, run_address
)) == NULL
)
1022 section
++; /* and skip it */
1027 /* collect consecutive sections which fall into the same bank */
1028 section_first
= section
;
1029 section_last
= section
;
1030 padding
[section
] = 0;
1031 while ((run_address
+ run_size
- 1 < c
->base
+ c
->size
- 1)
1032 && (section_last
+ 1 < image
->num_sections
))
1034 if (image
->sections
[section_last
+ 1].base_address
< (run_address
+ run_size
))
1036 LOG_DEBUG("section %d out of order(very slightly surprising, but supported)", section_last
+ 1);
1039 /* if we have multiple sections within our image, flash programming could fail due to alignment issues
1040 * attempt to rebuild a consecutive buffer for the flash loader */
1041 pad_bytes
= (image
->sections
[section_last
+ 1].base_address
) - (run_address
+ run_size
);
1042 if ((run_address
+ run_size
+ pad_bytes
) > (c
->base
+ c
->size
))
1044 padding
[section_last
] = pad_bytes
;
1045 run_size
+= image
->sections
[++section_last
].size
;
1046 run_size
+= pad_bytes
;
1047 padding
[section_last
] = 0;
1049 LOG_INFO("Padding image section %d with %d bytes", section_last
-1, pad_bytes
);
1052 /* fit the run into bank constraints */
1053 if (run_address
+ run_size
- 1 > c
->base
+ c
->size
- 1)
1055 LOG_WARNING("writing %d bytes only - as image section is %d bytes and bank is only %d bytes", \
1056 c
->base
+ c
->size
- run_address
, run_size
, c
->size
);
1057 run_size
= c
->base
+ c
->size
- run_address
;
1060 /* allocate buffer */
1061 buffer
= malloc(run_size
);
1064 /* read sections to the buffer */
1065 while (buffer_size
< run_size
)
1069 size_read
= run_size
- buffer_size
;
1070 if (size_read
> image
->sections
[section
].size
- section_offset
)
1071 size_read
= image
->sections
[section
].size
- section_offset
;
1073 if ((retval
= image_read_section(image
, section
, section_offset
,
1074 size_read
, buffer
+ buffer_size
, &size_read
)) != ERROR_OK
|| size_read
== 0)
1081 /* see if we need to pad the section */
1082 while (padding
[section
]--)
1083 (buffer
+buffer_size
)[size_read
++] = 0xff;
1085 buffer_size
+= size_read
;
1086 section_offset
+= size_read
;
1088 if (section_offset
>= image
->sections
[section
].size
)
1099 /* calculate and erase sectors */
1100 retval
= flash_erase_address_range( target
, run_address
, run_size
);
1103 if (retval
== ERROR_OK
)
1105 /* write flash sectors */
1106 retval
= flash_driver_write(c
, buffer
, run_address
- c
->base
, run_size
);
1111 if (retval
!= ERROR_OK
)
1114 return retval
; /* abort operation */
1117 if (written
!= NULL
)
1118 *written
+= run_size
; /* add run size to total written counter */
1126 int default_flash_mem_blank_check(struct flash_bank_s
*bank
)
1128 target_t
*target
= bank
->target
;
1130 int buffer_size
= sizeof(buffer
);
1134 if (bank
->target
->state
!= TARGET_HALTED
)
1136 LOG_ERROR("Target not halted");
1137 return ERROR_TARGET_NOT_HALTED
;
1140 for (i
= 0; i
< bank
->num_sectors
; i
++)
1143 bank
->sectors
[i
].is_erased
= 1;
1145 for (j
= 0; j
< bank
->sectors
[i
].size
; j
+= buffer_size
)
1149 chunk
= buffer_size
;
1150 if (chunk
> (j
- bank
->sectors
[i
].size
))
1152 chunk
= (j
- bank
->sectors
[i
].size
);
1155 retval
= target
->type
->read_memory(target
, bank
->base
+ bank
->sectors
[i
].offset
+ j
, 4, chunk
/4, buffer
);
1156 if (retval
!= ERROR_OK
)
1159 for (nBytes
= 0; nBytes
< chunk
; nBytes
++)
1161 if (buffer
[nBytes
] != 0xFF)
1163 bank
->sectors
[i
].is_erased
= 0;
1173 int default_flash_blank_check(struct flash_bank_s
*bank
)
1175 target_t
*target
= bank
->target
;
1181 if (bank
->target
->state
!= TARGET_HALTED
)
1183 LOG_ERROR("Target not halted");
1184 return ERROR_TARGET_NOT_HALTED
;
1187 for (i
= 0; i
< bank
->num_sectors
; i
++)
1189 u32 address
= bank
->base
+ bank
->sectors
[i
].offset
;
1190 u32 size
= bank
->sectors
[i
].size
;
1192 if ((retval
= target_blank_check_memory(target
, address
, size
, &blank
)) != ERROR_OK
)
1198 bank
->sectors
[i
].is_erased
= 1;
1200 bank
->sectors
[i
].is_erased
= 0;
1206 LOG_USER("Running slow fallback erase check - add working memory");
1207 return default_flash_mem_blank_check(bank
);
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