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 ***************************************************************************/
32 #include "time_support.h"
35 /* command handlers */
36 static int handle_flash_bank_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
37 static int handle_flash_info_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
38 static int handle_flash_probe_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
39 static int handle_flash_erase_check_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
40 static int handle_flash_erase_address_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
41 static int handle_flash_protect_check_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
42 static int handle_flash_erase_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
43 static int handle_flash_write_bank_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
44 static int handle_flash_write_image_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
45 static int handle_flash_fill_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
46 static int handle_flash_protect_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
50 extern flash_driver_t lpc2000_flash
;
51 extern flash_driver_t cfi_flash
;
52 extern flash_driver_t at91sam7_flash
;
53 extern flash_driver_t str7x_flash
;
54 extern flash_driver_t str9x_flash
;
55 extern flash_driver_t aduc702x_flash
;
56 extern flash_driver_t stellaris_flash
;
57 extern flash_driver_t str9xpec_flash
;
58 extern flash_driver_t stm32x_flash
;
59 extern flash_driver_t tms470_flash
;
60 extern flash_driver_t ecosflash_flash
;
61 extern flash_driver_t lpc288x_flash
;
62 extern flash_driver_t ocl_flash
;
63 extern flash_driver_t pic32mx_flash
;
64 extern flash_driver_t avr_flash
;
66 flash_driver_t
*flash_drivers
[] = {
86 flash_bank_t
*flash_banks
;
87 static command_t
*flash_cmd
;
89 /* wafer thin wrapper for invoking the flash driver */
90 static int flash_driver_write(struct flash_bank_s
*bank
, uint8_t *buffer
, uint32_t offset
, uint32_t count
)
94 retval
= bank
->driver
->write(bank
, buffer
, offset
, count
);
95 if (retval
!= ERROR_OK
)
97 LOG_ERROR("error writing to flash at address 0x%08" PRIx32
" at offset 0x%8.8" PRIx32
" (%d)",
98 bank
->base
, offset
, retval
);
104 static int flash_driver_erase(struct flash_bank_s
*bank
, int first
, int last
)
108 retval
= bank
->driver
->erase(bank
, first
, last
);
109 if (retval
!= ERROR_OK
)
111 LOG_ERROR("failed erasing sectors %d to %d (%d)", first
, last
, retval
);
117 int flash_driver_protect(struct flash_bank_s
*bank
, int set
, int first
, int last
)
121 retval
= bank
->driver
->protect(bank
, set
, first
, last
);
122 if (retval
!= ERROR_OK
)
124 LOG_ERROR("failed setting protection for areas %d to %d (%d)", first
, last
, retval
);
130 int flash_register_commands(struct command_context_s
*cmd_ctx
)
132 flash_cmd
= register_command(cmd_ctx
, NULL
, "flash", NULL
, COMMAND_ANY
, NULL
);
134 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 ...]");
138 static int jim_flash_banks(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
143 Jim_WrongNumArgs(interp
, 1, argv
, "no arguments to flash_banks command");
147 Jim_Obj
*list
= Jim_NewListObj(interp
, NULL
, 0);
148 for (p
= flash_banks
; p
; p
= p
->next
)
150 Jim_Obj
*elem
= Jim_NewListObj(interp
, NULL
, 0);
152 Jim_ListAppendElement(interp
, elem
, Jim_NewStringObj(interp
, "name", -1));
153 Jim_ListAppendElement(interp
, elem
, Jim_NewStringObj(interp
, p
->driver
->name
, -1));
154 Jim_ListAppendElement(interp
, elem
, Jim_NewStringObj(interp
, "base", -1));
155 Jim_ListAppendElement(interp
, elem
, Jim_NewIntObj(interp
, p
->base
));
156 Jim_ListAppendElement(interp
, elem
, Jim_NewStringObj(interp
, "size", -1));
157 Jim_ListAppendElement(interp
, elem
, Jim_NewIntObj(interp
, p
->size
));
158 Jim_ListAppendElement(interp
, elem
, Jim_NewStringObj(interp
, "bus_width", -1));
159 Jim_ListAppendElement(interp
, elem
, Jim_NewIntObj(interp
, p
->bus_width
));
160 Jim_ListAppendElement(interp
, elem
, Jim_NewStringObj(interp
, "chip_width", -1));
161 Jim_ListAppendElement(interp
, elem
, Jim_NewIntObj(interp
, p
->chip_width
));
163 Jim_ListAppendElement(interp
, list
, elem
);
166 Jim_SetResult(interp
, list
);
171 int flash_init_drivers(struct command_context_s
*cmd_ctx
)
173 register_jim(cmd_ctx
, "ocd_flash_banks", jim_flash_banks
, "return information about the flash banks");
177 register_command(cmd_ctx
, flash_cmd
, "info", handle_flash_info_command
, COMMAND_EXEC
,
178 "print info about flash bank <num>");
179 register_command(cmd_ctx
, flash_cmd
, "probe", handle_flash_probe_command
, COMMAND_EXEC
,
180 "identify flash bank <num>");
181 register_command(cmd_ctx
, flash_cmd
, "erase_check", handle_flash_erase_check_command
, COMMAND_EXEC
,
182 "check erase state of sectors in flash bank <num>");
183 register_command(cmd_ctx
, flash_cmd
, "protect_check", handle_flash_protect_check_command
, COMMAND_EXEC
,
184 "check protection state of sectors in flash bank <num>");
185 register_command(cmd_ctx
, flash_cmd
, "erase_sector", handle_flash_erase_command
, COMMAND_EXEC
,
186 "erase sectors at <bank> <first> <last>");
187 register_command(cmd_ctx
, flash_cmd
, "erase_address", handle_flash_erase_address_command
, COMMAND_EXEC
,
188 "erase address range <address> <length>");
190 register_command(cmd_ctx
, flash_cmd
, "fillw", handle_flash_fill_command
, COMMAND_EXEC
,
191 "fill with pattern (no autoerase) <address> <word_pattern> <count>");
192 register_command(cmd_ctx
, flash_cmd
, "fillh", handle_flash_fill_command
, COMMAND_EXEC
,
193 "fill with pattern <address> <halfword_pattern> <count>");
194 register_command(cmd_ctx
, flash_cmd
, "fillb", handle_flash_fill_command
, COMMAND_EXEC
,
195 "fill with pattern <address> <byte_pattern> <count>");
197 register_command(cmd_ctx
, flash_cmd
, "write_bank", handle_flash_write_bank_command
, COMMAND_EXEC
,
198 "write binary data to <bank> <file> <offset>");
199 register_command(cmd_ctx
, flash_cmd
, "write_image", handle_flash_write_image_command
, COMMAND_EXEC
,
200 "write_image [erase] <file> [offset] [type]");
201 register_command(cmd_ctx
, flash_cmd
, "protect", handle_flash_protect_command
, COMMAND_EXEC
,
202 "set protection of sectors at <bank> <first> <last> <on | off>");
208 flash_bank_t
*get_flash_bank_by_num_noprobe(int num
)
213 for (p
= flash_banks
; p
; p
= p
->next
)
220 LOG_ERROR("flash bank %d does not exist", num
);
224 int flash_get_bank_count(void)
228 for (p
= flash_banks
; p
; p
= p
->next
)
235 flash_bank_t
*get_flash_bank_by_num(int num
)
237 flash_bank_t
*p
= get_flash_bank_by_num_noprobe(num
);
243 retval
= p
->driver
->auto_probe(p
);
245 if (retval
!= ERROR_OK
)
247 LOG_ERROR("auto_probe failed %d\n", retval
);
253 static int handle_flash_bank_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
262 return ERROR_COMMAND_SYNTAX_ERROR
;
265 if ((target
= get_target(args
[5])) == NULL
)
267 LOG_ERROR("target '%s' not defined", args
[5]);
271 for (i
= 0; flash_drivers
[i
]; i
++)
273 if (strcmp(args
[0], flash_drivers
[i
]->name
) == 0)
277 /* register flash specific commands */
278 if (flash_drivers
[i
]->register_commands(cmd_ctx
) != ERROR_OK
)
280 LOG_ERROR("couldn't register '%s' commands", args
[0]);
284 c
= malloc(sizeof(flash_bank_t
));
286 c
->driver
= flash_drivers
[i
];
287 c
->driver_priv
= NULL
;
288 c
->base
= strtoul(args
[1], NULL
, 0);
289 c
->size
= strtoul(args
[2], NULL
, 0);
290 c
->chip_width
= strtoul(args
[3], NULL
, 0);
291 c
->bus_width
= strtoul(args
[4], NULL
, 0);
296 if ((retval
= flash_drivers
[i
]->flash_bank_command(cmd_ctx
, cmd
, args
, argc
, c
)) != ERROR_OK
)
298 LOG_ERROR("'%s' driver rejected flash bank at 0x%8.8" PRIx32
, args
[0], c
->base
);
303 /* put flash bank in linked list */
307 /* find last flash bank */
308 for (p
= flash_banks
; p
&& p
->next
; p
= p
->next
) bank_num
++;
311 c
->bank_number
= bank_num
+ 1;
323 /* no matching flash driver found */
326 LOG_ERROR("flash driver '%s' not found", args
[0]);
333 static int handle_flash_info_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
342 return ERROR_COMMAND_SYNTAX_ERROR
;
345 for (p
= flash_banks
; p
; p
= p
->next
, i
++)
347 if (i
== strtoul(args
[0], NULL
, 0))
351 /* attempt auto probe */
352 if ((retval
= p
->driver
->auto_probe(p
)) != ERROR_OK
)
355 command_print(cmd_ctx
,
356 "#%" PRIi32
" : %s at 0x%8.8" PRIx32
", size 0x%8.8" PRIx32
", buswidth %i, chipwidth %i",
363 for (j
= 0; j
< p
->num_sectors
; j
++)
367 if (p
->sectors
[j
].is_protected
== 0)
368 protect_state
= "not protected";
369 else if (p
->sectors
[j
].is_protected
== 1)
370 protect_state
= "protected";
372 protect_state
= "protection state unknown";
374 command_print(cmd_ctx
,
375 "\t#%3i: 0x%8.8" PRIx32
" (0x%" PRIx32
" %" PRIi32
"kB) %s",
377 p
->sectors
[j
].offset
,
379 p
->sectors
[j
].size
>> 10,
383 *buf
= '\0'; /* initialize buffer, otherwise it migh contain garbage if driver function fails */
384 retval
= p
->driver
->info(p
, buf
, sizeof(buf
));
385 command_print(cmd_ctx
, "%s", buf
);
386 if (retval
!= ERROR_OK
)
387 LOG_ERROR("error retrieving flash info (%d)", retval
);
394 static int handle_flash_probe_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
401 return ERROR_COMMAND_SYNTAX_ERROR
;
404 p
= get_flash_bank_by_num_noprobe(strtoul(args
[0], NULL
, 0));
407 if ((retval
= p
->driver
->probe(p
)) == ERROR_OK
)
409 command_print(cmd_ctx
, "flash '%s' found at 0x%8.8" PRIx32
, p
->driver
->name
, p
->base
);
411 else if (retval
== ERROR_FLASH_BANK_INVALID
)
413 command_print(cmd_ctx
, "probing failed for flash bank '#%s' at 0x%8.8" PRIx32
,
418 command_print(cmd_ctx
, "unknown error when probing flash bank '#%s' at 0x%8.8" PRIx32
,
424 command_print(cmd_ctx
, "flash bank '#%s' is out of bounds", args
[0]);
430 static int handle_flash_erase_check_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
437 return ERROR_COMMAND_SYNTAX_ERROR
;
440 p
= get_flash_bank_by_num(strtoul(args
[0], NULL
, 0));
444 if ((retval
= p
->driver
->erase_check(p
)) == ERROR_OK
)
446 command_print(cmd_ctx
, "successfully checked erase state");
450 command_print(cmd_ctx
, "unknown error when checking erase state of flash bank #%s at 0x%8.8" PRIx32
,
454 for (j
= 0; j
< p
->num_sectors
; j
++)
458 if (p
->sectors
[j
].is_erased
== 0)
459 erase_state
= "not erased";
460 else if (p
->sectors
[j
].is_erased
== 1)
461 erase_state
= "erased";
463 erase_state
= "erase state unknown";
465 command_print(cmd_ctx
,
466 "\t#%3i: 0x%8.8" PRIx32
" (0x%" PRIx32
" %" PRIi32
"kB) %s",
468 p
->sectors
[j
].offset
,
470 p
->sectors
[j
].size
>> 10,
478 static int handle_flash_erase_address_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
487 target_t
*target
= get_current_target(cmd_ctx
);
491 return ERROR_COMMAND_SYNTAX_ERROR
;
494 address
= strtoul(args
[0], NULL
, 0);
495 length
= strtoul(args
[1], NULL
, 0);
498 command_print(cmd_ctx
, "Length must be >0");
499 return ERROR_COMMAND_SYNTAX_ERROR
;
502 p
= get_flash_bank_by_addr(target
, address
);
508 /* We can't know if we did a resume + halt, in which case we no longer know the erased state */
511 duration_start_measure(&duration
);
513 if ((retval
= flash_erase_address_range(target
, address
, length
)) == ERROR_OK
)
515 if ((retval
= duration_stop_measure(&duration
, &duration_text
)) != ERROR_OK
)
519 command_print(cmd_ctx
, "erased address 0x%8.8x length %i in %s", address
, length
, duration_text
);
526 static int handle_flash_protect_check_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
533 return ERROR_COMMAND_SYNTAX_ERROR
;
536 p
= get_flash_bank_by_num(strtoul(args
[0], NULL
, 0));
539 if ((retval
= p
->driver
->protect_check(p
)) == ERROR_OK
)
541 command_print(cmd_ctx
, "successfully checked protect state");
543 else if (retval
== ERROR_FLASH_OPERATION_FAILED
)
545 command_print(cmd_ctx
, "checking protection state failed (possibly unsupported) by flash #%s at 0x%8.8" PRIx32
, args
[0], p
->base
);
549 command_print(cmd_ctx
, "unknown error when checking protection state of flash bank '#%s' at 0x%8.8" PRIx32
, args
[0], p
->base
);
554 return ERROR_COMMAND_SYNTAX_ERROR
;
560 static int handle_flash_erase_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
564 int first
= strtoul(args
[1], NULL
, 0);
565 int last
= strtoul(args
[2], NULL
, 0);
567 flash_bank_t
*p
= get_flash_bank_by_num(strtoul(args
[0], NULL
, 0));
571 duration_start_measure(&duration
);
575 return ERROR_COMMAND_SYNTAX_ERROR
;
578 if ((retval
= flash_driver_erase(p
, first
, last
)) == ERROR_OK
)
580 if ((retval
= duration_stop_measure(&duration
, &duration_text
)) != ERROR_OK
)
585 command_print(cmd_ctx
, "erased sectors %i through %i on flash bank %li in %s",
586 first
, last
, strtoul(args
[0], 0, 0), duration_text
);
592 return ERROR_COMMAND_SYNTAX_ERROR
;
598 static int handle_flash_protect_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
602 int first
= strtoul(args
[1], NULL
, 0);
603 int last
= strtoul(args
[2], NULL
, 0);
606 flash_bank_t
*p
= get_flash_bank_by_num(strtoul(args
[0], NULL
, 0));
609 command_print(cmd_ctx
, "flash bank '#%s' is out of bounds", args
[0]);
613 if (strcmp(args
[3], "on") == 0)
615 else if (strcmp(args
[3], "off") == 0)
619 return ERROR_COMMAND_SYNTAX_ERROR
;
622 retval
= flash_driver_protect(p
, set
, first
, last
);
623 if (retval
== ERROR_OK
)
625 command_print(cmd_ctx
, "%s protection for sectors %i through %i on flash bank %li",
626 (set
) ? "set" : "cleared", first
,
627 last
, strtoul(args
[0], 0, 0));
632 return ERROR_COMMAND_SYNTAX_ERROR
;
639 static int handle_flash_write_image_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
641 target_t
*target
= get_current_target(cmd_ctx
);
649 int retval
, retvaltemp
;
653 return ERROR_COMMAND_SYNTAX_ERROR
;
656 /* flash auto-erase is disabled by default*/
659 if (strcmp(args
[0], "erase") == 0)
664 command_print(cmd_ctx
, "auto erase enabled");
669 return ERROR_COMMAND_SYNTAX_ERROR
;
674 LOG_ERROR("no target selected");
678 duration_start_measure(&duration
);
682 image
.base_address_set
= 1;
683 image
.base_address
= strtoul(args
[1], NULL
, 0);
687 image
.base_address_set
= 0;
688 image
.base_address
= 0x0;
691 image
.start_address_set
= 0;
693 retval
= image_open(&image
, args
[0], (argc
== 3) ? args
[2] : NULL
);
694 if (retval
!= ERROR_OK
)
699 retval
= flash_write(target
, &image
, &written
, auto_erase
);
700 if (retval
!= ERROR_OK
)
706 if ((retvaltemp
= duration_stop_measure(&duration
, &duration_text
)) != ERROR_OK
)
711 if (retval
== ERROR_OK
)
713 command_print(cmd_ctx
,
714 "wrote %" PRIu32
" byte from file %s in %s (%f kb/s)",
718 (float)written
/ 1024.0 / ((float)duration
.duration
.tv_sec
+ ((float)duration
.duration
.tv_usec
/ 1000000.0)));
727 static int handle_flash_fill_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
729 int err
= ERROR_OK
, retval
;
734 uint8_t readback
[1024];
736 uint32_t cur_size
= 0;
737 uint32_t chunk_count
;
740 target_t
*target
= get_current_target(cmd_ctx
);
746 return ERROR_COMMAND_SYNTAX_ERROR
;
749 address
= strtoul(args
[0], NULL
, 0);
750 pattern
= strtoul(args
[1], NULL
, 0);
751 count
= strtoul(args
[2], NULL
, 0);
768 return ERROR_COMMAND_SYNTAX_ERROR
;
771 chunk_count
= MIN(count
, (1024 / wordsize
));
775 for (i
= 0; i
< chunk_count
; i
++)
777 target_buffer_set_u32(target
, chunk
+ i
* wordsize
, pattern
);
781 for (i
= 0; i
< chunk_count
; i
++)
783 target_buffer_set_u16(target
, chunk
+ i
* wordsize
, pattern
);
787 memset(chunk
, pattern
, chunk_count
);
790 LOG_ERROR("BUG: can't happen");
794 duration_start_measure(&duration
);
796 for (wrote
= 0; wrote
< (count
*wordsize
); wrote
+= cur_size
)
798 cur_size
= MIN((count
*wordsize
- wrote
), sizeof(chunk
));
800 bank
= get_flash_bank_by_addr(target
, address
);
805 err
= flash_driver_write(bank
, chunk
, address
- bank
->base
+ wrote
, cur_size
);
809 err
= target_read_buffer(target
, address
+ wrote
, cur_size
, readback
);
814 for (i
= 0; i
< cur_size
; i
++)
816 if (readback
[i
]!=chunk
[i
])
818 LOG_ERROR("Verfication error address 0x%08" PRIx32
", read back 0x%02x, expected 0x%02x",
819 address
+ wrote
+ i
, readback
[i
], chunk
[i
]);
826 if ((retval
= duration_stop_measure(&duration
, &duration_text
)) != ERROR_OK
)
834 speed
= wrote
/ 1024.0;
835 speed
/=((float)duration
.duration
.tv_sec
+ ((float)duration
.duration
.tv_usec
/ 1000000.0));
836 command_print(cmd_ctx
,
837 "wrote %" PRId32
" bytes to 0x%8.8" PRIx32
" in %s (%f kb/s)",
847 static int handle_flash_write_bank_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
858 int retval
, retvaltemp
;
863 return ERROR_COMMAND_SYNTAX_ERROR
;
866 duration_start_measure(&duration
);
868 offset
= strtoul(args
[2], NULL
, 0);
869 p
= get_flash_bank_by_num(strtoul(args
[0], NULL
, 0));
872 command_print(cmd_ctx
, "flash bank '#%s' is out of bounds", args
[0]);
876 if (fileio_open(&fileio
, args
[1], FILEIO_READ
, FILEIO_BINARY
) != ERROR_OK
)
881 buffer
= malloc(fileio
.size
);
882 if (fileio_read(&fileio
, fileio
.size
, buffer
, &buf_cnt
) != ERROR_OK
)
885 fileio_close(&fileio
);
889 retval
= flash_driver_write(p
, buffer
, offset
, buf_cnt
);
894 if ((retvaltemp
= duration_stop_measure(&duration
, &duration_text
)) != ERROR_OK
)
896 fileio_close(&fileio
);
899 if (retval
== ERROR_OK
)
901 command_print(cmd_ctx
,
902 "wrote %lld byte from file %s to flash bank %li at offset 0x%8.8" PRIx32
" in %s (%f kb/s)",
905 strtoul(args
[0], NULL
, 0),
908 (float)fileio
.size
/ 1024.0 / ((float)duration
.duration
.tv_sec
+ ((float)duration
.duration
.tv_usec
/ 1000000.0)));
912 fileio_close(&fileio
);
917 void flash_set_dirty(void)
922 /* set all flash to require erasing */
923 for (c
= flash_banks
; c
; c
= c
->next
)
925 for (i
= 0; i
< c
->num_sectors
; i
++)
927 c
->sectors
[i
].is_erased
= 0;
932 /* lookup flash bank by address */
933 flash_bank_t
*get_flash_bank_by_addr(target_t
*target
, uint32_t addr
)
937 /* cycle through bank list */
938 for (c
= flash_banks
; c
; c
= c
->next
)
941 retval
= c
->driver
->auto_probe(c
);
943 if (retval
!= ERROR_OK
)
945 LOG_ERROR("auto_probe failed %d\n", retval
);
948 /* check whether address belongs to this flash bank */
949 if ((addr
>= c
->base
) && (addr
<= c
->base
+ (c
->size
- 1)) && target
== c
->target
)
952 LOG_ERROR("No flash at address 0x%08" PRIx32
"\n", addr
);
956 /* erase given flash region, selects proper bank according to target and address */
957 int flash_erase_address_range(target_t
*target
, uint32_t addr
, uint32_t length
)
964 if ((c
= get_flash_bank_by_addr(target
, addr
)) == NULL
)
965 return ERROR_FLASH_DST_OUT_OF_BANK
; /* no corresponding bank found */
967 if (c
->size
== 0 || c
->num_sectors
== 0)
969 LOG_ERROR("Bank is invalid");
970 return ERROR_FLASH_BANK_INVALID
;
975 /* special case, erase whole bank when length is zero */
977 return ERROR_FLASH_DST_BREAKS_ALIGNMENT
;
979 return flash_driver_erase(c
, 0, c
->num_sectors
- 1);
982 /* check whether it fits */
983 if (addr
+ length
- 1 > c
->base
+ c
->size
- 1)
984 return ERROR_FLASH_DST_BREAKS_ALIGNMENT
;
988 for (i
= 0; i
< c
->num_sectors
; i
++)
990 /* check whether sector overlaps with the given range and is not yet erased */
991 if (addr
< c
->sectors
[i
].offset
+ c
->sectors
[i
].size
&& addr
+ length
> c
->sectors
[i
].offset
&& c
->sectors
[i
].is_erased
!= 1) {
992 /* if first is not set yet then this is the first sector */
995 last
= i
; /* and it is the last one so far in any case */
999 if (first
== -1 || last
== -1)
1002 return flash_driver_erase(c
, first
, last
);
1005 /* write (optional verify) an image to flash memory of the given target */
1006 int flash_write(target_t
*target
, image_t
*image
, uint32_t *written
, int erase
)
1008 int retval
= ERROR_OK
;
1011 uint32_t section_offset
;
1023 /* assume all sectors need erasing - stops any problems
1024 * when flash_write is called multiple times */
1029 /* allocate padding array */
1030 padding
= malloc(image
->num_sections
* sizeof(padding
));
1032 /* loop until we reach end of the image */
1033 while (section
< image
->num_sections
)
1035 uint32_t buffer_size
;
1039 uint32_t run_address
= image
->sections
[section
].base_address
+ section_offset
;
1040 uint32_t run_size
= image
->sections
[section
].size
- section_offset
;
1043 if (image
->sections
[section
].size
== 0)
1045 LOG_WARNING("empty section %d", section
);
1051 /* find the corresponding flash bank */
1052 if ((c
= get_flash_bank_by_addr(target
, run_address
)) == NULL
)
1054 section
++; /* and skip it */
1059 /* collect consecutive sections which fall into the same bank */
1060 section_first
= section
;
1061 section_last
= section
;
1062 padding
[section
] = 0;
1063 while ((run_address
+ run_size
- 1 < c
->base
+ c
->size
- 1)
1064 && (section_last
+ 1 < image
->num_sections
))
1066 if (image
->sections
[section_last
+ 1].base_address
< (run_address
+ run_size
))
1068 LOG_DEBUG("section %d out of order(very slightly surprising, but supported)", section_last
+ 1);
1071 /* if we have multiple sections within our image, flash programming could fail due to alignment issues
1072 * attempt to rebuild a consecutive buffer for the flash loader */
1073 pad_bytes
= (image
->sections
[section_last
+ 1].base_address
) - (run_address
+ run_size
);
1074 if ((run_address
+ run_size
+ pad_bytes
) > (c
->base
+ c
->size
))
1076 padding
[section_last
] = pad_bytes
;
1077 run_size
+= image
->sections
[++section_last
].size
;
1078 run_size
+= pad_bytes
;
1079 padding
[section_last
] = 0;
1081 LOG_INFO("Padding image section %d with %d bytes", section_last
-1, pad_bytes
);
1084 /* fit the run into bank constraints */
1085 if (run_address
+ run_size
- 1 > c
->base
+ c
->size
- 1)
1087 LOG_WARNING("writing %d bytes only - as image section is %d bytes and bank is only %d bytes", \
1088 (int)(c
->base
+ c
->size
- run_address
), (int)(run_size
), (int)(c
->size
));
1089 run_size
= c
->base
+ c
->size
- run_address
;
1092 /* allocate buffer */
1093 buffer
= malloc(run_size
);
1096 /* read sections to the buffer */
1097 while (buffer_size
< run_size
)
1101 size_read
= run_size
- buffer_size
;
1102 if (size_read
> image
->sections
[section
].size
- section_offset
)
1103 size_read
= image
->sections
[section
].size
- section_offset
;
1105 if ((retval
= image_read_section(image
, section
, section_offset
,
1106 size_read
, buffer
+ buffer_size
, &size_read
)) != ERROR_OK
|| size_read
== 0)
1113 /* see if we need to pad the section */
1114 while (padding
[section
]--)
1115 (buffer
+ buffer_size
)[size_read
++] = 0xff;
1117 buffer_size
+= size_read
;
1118 section_offset
+= size_read
;
1120 if (section_offset
>= image
->sections
[section
].size
)
1131 /* calculate and erase sectors */
1132 retval
= flash_erase_address_range(target
, run_address
, run_size
);
1135 if (retval
== ERROR_OK
)
1137 /* write flash sectors */
1138 retval
= flash_driver_write(c
, buffer
, run_address
- c
->base
, run_size
);
1143 if (retval
!= ERROR_OK
)
1146 return retval
; /* abort operation */
1149 if (written
!= NULL
)
1150 *written
+= run_size
; /* add run size to total written counter */
1158 int default_flash_mem_blank_check(struct flash_bank_s
*bank
)
1160 target_t
*target
= bank
->target
;
1161 uint8_t buffer
[1024];
1162 int buffer_size
= sizeof(buffer
);
1166 if (bank
->target
->state
!= TARGET_HALTED
)
1168 LOG_ERROR("Target not halted");
1169 return ERROR_TARGET_NOT_HALTED
;
1172 for (i
= 0; i
< bank
->num_sectors
; i
++)
1175 bank
->sectors
[i
].is_erased
= 1;
1177 for (j
= 0; j
< bank
->sectors
[i
].size
; j
+= buffer_size
)
1181 chunk
= buffer_size
;
1182 if (chunk
> (j
- bank
->sectors
[i
].size
))
1184 chunk
= (j
- bank
->sectors
[i
].size
);
1187 retval
= target_read_memory(target
, bank
->base
+ bank
->sectors
[i
].offset
+ j
, 4, chunk
/4, buffer
);
1188 if (retval
!= ERROR_OK
)
1191 for (nBytes
= 0; nBytes
< chunk
; nBytes
++)
1193 if (buffer
[nBytes
] != 0xFF)
1195 bank
->sectors
[i
].is_erased
= 0;
1205 int default_flash_blank_check(struct flash_bank_s
*bank
)
1207 target_t
*target
= bank
->target
;
1213 if (bank
->target
->state
!= TARGET_HALTED
)
1215 LOG_ERROR("Target not halted");
1216 return ERROR_TARGET_NOT_HALTED
;
1219 for (i
= 0; i
< bank
->num_sectors
; i
++)
1221 uint32_t address
= bank
->base
+ bank
->sectors
[i
].offset
;
1222 uint32_t size
= bank
->sectors
[i
].size
;
1224 if ((retval
= target_blank_check_memory(target
, address
, size
, &blank
)) != ERROR_OK
)
1230 bank
->sectors
[i
].is_erased
= 1;
1232 bank
->sectors
[i
].is_erased
= 0;
1238 LOG_USER("Running slow fallback erase check - add working memory");
1239 return default_flash_mem_blank_check(bank
);
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