forked from flashrom/flashrom
-
Notifications
You must be signed in to change notification settings - Fork 1
/
cli_classic.c
734 lines (663 loc) · 21.3 KB
/
cli_classic.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
/*
* This file is part of the flashrom project.
*
* Copyright (C) 2000 Silicon Integrated System Corporation
* Copyright (C) 2004 Tyan Corp <[email protected]>
* Copyright (C) 2005-2008 coresystems GmbH
* Copyright (C) 2008,2009,2010 Carl-Daniel Hailfinger
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdio.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <string.h>
#include <stdlib.h>
#include <getopt.h>
#include "flash.h"
#include "flashchips.h"
#include "programmer.h"
#include "libflashrom.h"
#include "spi.h"
static void cli_classic_usage(const char *name)
{
printf("Please note that the command line interface for flashrom has changed between\n"
"0.9.5 and 0.9.6 and will change again before flashrom 1.0.\n\n");
printf("Usage: %s [-h|-R|-L|"
#if CONFIG_PRINT_WIKI == 1
"-z|"
#endif
"-p <programmername>[:<parameters>] [-c <chipname>]\n"
"[-E|(-r|-w|-v) <file>] [(-l <layoutfile>|--ifd) [-i <imagename>]...] [-n] [-N] [-f]]\n"
"[-V[V[V]]] [-o <logfile>]\n\n", name);
printf(" -h | --help print this help text\n"
" -R | --version print version (release)\n"
" -r | --read <file> read flash and save to <file>\n"
" -w | --write <file> write <file> to flash\n"
" -v | --verify <file> verify flash against <file>\n"
" -E | --erase erase flash memory\n"
" -V | --verbose more verbose output\n"
" -c | --chip <chipname> probe only for specified flash chip\n"
" -f | --force force specific operations (see man page)\n"
" -n | --noverify don't auto-verify\n"
" -N | --noverify-all verify included regions only (cf. -i)\n"
" -l | --layout <layoutfile> read ROM layout from <layoutfile>\n"
" --ifd read layout from an Intel Firmware Descriptor\n"
" -i | --image <name> only flash image <name> from flash layout\n"
" -o | --output <logfile> log output to <logfile>\n"
" -L | --list-supported print supported devices\n"
" --lock lock WP_RO region in SPI flash and set OTP mode\n"
#if CONFIG_PRINT_WIKI == 1
" -z | --list-supported-wiki print supported devices in wiki syntax\n"
#endif
" -p | --programmer <name>[:<param>] specify the programmer device. One of\n");
list_programmers_linebreak(4, 80, 0);
printf("\n\n -p internal:recovery_dongle=<chip_bus_type> specify firmware chip bus type SPI, LPC or FWH\n");
printf(".\n\nYou can specify one of -h, -R, -L, "
#if CONFIG_PRINT_WIKI == 1
"-z, "
#endif
"-E, -r, -w, -v or no operation.\n"
"If no operation is specified, flashrom will only probe for flash chips.\n");
}
static void cli_classic_abort_usage(void)
{
printf("Please run \"flashrom --help\" for usage info.\n");
exit(1);
}
static int check_filename(char *filename, char *type)
{
if (!filename || (filename[0] == '\0')) {
fprintf(stderr, "Error: No %s file specified.\n", type);
return 1;
}
/* Not an error, but maybe the user intended to specify a CLI option instead of a file name. */
if (filename[0] == '-')
fprintf(stderr, "Warning: Supplied %s file name starts with -\n", type);
return 0;
}
int main(int argc, char *argv[])
{
const struct flashchip *chip = NULL;
/* Probe for up to eight flash chips. */
struct flashctx flashes[8] = {{0}};
struct flashctx *fill_flash;
const char *name;
int namelen, opt, i, j;
int startchip = -1, chipcount = 0, option_index = 0, force = 0, ifd = 0, lock = 0;
#if CONFIG_PRINT_WIKI == 1
int list_supported_wiki = 0;
#endif
int read_it = 0, write_it = 0, erase_it = 0, verify_it = 0;
int dont_verify_it = 0, dont_verify_all = 0, list_supported = 0, operation_specified = 0;
struct flashrom_layout *layout = NULL;
enum programmer prog = PROGRAMMER_INVALID;
int ret = 0;
static const char optstring[] = "r:Rw:v:nNVEfc:l:i:p:Lzho:";
static const struct option long_options[] = {
{"read", 1, NULL, 'r'},
{"write", 1, NULL, 'w'},
{"erase", 0, NULL, 'E'},
{"verify", 1, NULL, 'v'},
{"noverify", 0, NULL, 'n'},
{"noverify-all", 0, NULL, 'N'},
{"chip", 1, NULL, 'c'},
{"verbose", 0, NULL, 'V'},
{"force", 0, NULL, 'f'},
{"layout", 1, NULL, 'l'},
{"ifd", 0, NULL, 0x0100},
{"image", 1, NULL, 'i'},
{"list-supported", 0, NULL, 'L'},
{"list-supported-wiki", 0, NULL, 'z'},
{"programmer", 1, NULL, 'p'},
{"help", 0, NULL, 'h'},
{"version", 0, NULL, 'R'},
{"output", 1, NULL, 'o'},
{"lock", 0, NULL, 0x0101},
{NULL, 0, NULL, 0},
};
char *filename = NULL;
char *layoutfile = NULL;
#ifndef STANDALONE
char *logfile = NULL;
#endif /* !STANDALONE */
char *tempstr = NULL;
char *pparam = NULL;
flashrom_set_log_callback((flashrom_log_callback *)&flashrom_print_cb);
print_version();
print_banner();
if (selfcheck())
exit(1);
setbuf(stdout, NULL);
/* FIXME: Delay all operation_specified checks until after command
* line parsing to allow --help overriding everything else.
*/
while ((opt = getopt_long(argc, argv, optstring,
long_options, &option_index)) != EOF) {
switch (opt) {
case 'r':
if (++operation_specified > 1) {
fprintf(stderr, "More than one operation "
"specified. Aborting.\n");
cli_classic_abort_usage();
}
filename = strdup(optarg);
read_it = 1;
break;
case 'w':
if (++operation_specified > 1) {
fprintf(stderr, "More than one operation "
"specified. Aborting.\n");
cli_classic_abort_usage();
}
filename = strdup(optarg);
write_it = 1;
break;
case 'v':
//FIXME: gracefully handle superfluous -v
if (++operation_specified > 1) {
fprintf(stderr, "More than one operation "
"specified. Aborting.\n");
cli_classic_abort_usage();
}
if (dont_verify_it) {
fprintf(stderr, "--verify and --noverify are mutually exclusive. Aborting.\n");
cli_classic_abort_usage();
}
filename = strdup(optarg);
verify_it = 1;
break;
case 'n':
if (verify_it) {
fprintf(stderr, "--verify and --noverify are mutually exclusive. Aborting.\n");
cli_classic_abort_usage();
}
dont_verify_it = 1;
break;
case 'N':
dont_verify_all = 1;
break;
case 'c':
chip_to_probe = strdup(optarg);
break;
case 'V':
verbose_screen++;
if (verbose_screen > FLASHROM_MSG_DEBUG2)
verbose_logfile = verbose_screen;
break;
case 'E':
if (++operation_specified > 1) {
fprintf(stderr, "More than one operation "
"specified. Aborting.\n");
cli_classic_abort_usage();
}
erase_it = 1;
break;
case 'f':
force = 1;
break;
case 'l':
if (layoutfile) {
fprintf(stderr, "Error: --layout specified "
"more than once. Aborting.\n");
cli_classic_abort_usage();
}
if (ifd) {
fprintf(stderr, "Error: --layout and --ifd both specified. Aborting.\n");
cli_classic_abort_usage();
}
layoutfile = strdup(optarg);
break;
case 0x0100:
if (layoutfile) {
fprintf(stderr, "Error: --layout and --ifd both specified. Aborting.\n");
cli_classic_abort_usage();
}
ifd = 1;
break;
case 'i':
tempstr = strdup(optarg);
if (register_include_arg(tempstr)) {
free(tempstr);
cli_classic_abort_usage();
}
break;
case 'L':
if (++operation_specified > 1) {
fprintf(stderr, "More than one operation "
"specified. Aborting.\n");
cli_classic_abort_usage();
}
list_supported = 1;
break;
case 0x0101:
lock = 1;
break;
case 'z':
#if CONFIG_PRINT_WIKI == 1
if (++operation_specified > 1) {
fprintf(stderr, "More than one operation "
"specified. Aborting.\n");
cli_classic_abort_usage();
}
list_supported_wiki = 1;
#else
fprintf(stderr, "Error: Wiki output was not compiled "
"in. Aborting.\n");
cli_classic_abort_usage();
#endif
break;
case 'p':
if (prog != PROGRAMMER_INVALID) {
fprintf(stderr, "Error: --programmer specified "
"more than once. You can separate "
"multiple\nparameters for a programmer "
"with \",\". Please see the man page "
"for details.\n");
cli_classic_abort_usage();
}
for (prog = 0; prog < PROGRAMMER_INVALID; prog++) {
name = programmer_table[prog].name;
namelen = strlen(name);
if (strncmp(optarg, name, namelen) == 0) {
switch (optarg[namelen]) {
case ':':
pparam = strdup(optarg + namelen + 1);
if (!strlen(pparam)) {
free(pparam);
pparam = NULL;
}
break;
case '\0':
break;
default:
/* The continue refers to the
* for loop. It is here to be
* able to differentiate between
* foo and foobar.
*/
continue;
}
break;
}
}
if (prog == PROGRAMMER_INVALID) {
fprintf(stderr, "Error: Unknown programmer \"%s\". Valid choices are:\n",
optarg);
list_programmers_linebreak(0, 80, 0);
msg_ginfo(".\n");
cli_classic_abort_usage();
}
break;
case 'R':
/* print_version() is always called during startup. */
if (++operation_specified > 1) {
fprintf(stderr, "More than one operation "
"specified. Aborting.\n");
cli_classic_abort_usage();
}
exit(0);
break;
case 'h':
if (++operation_specified > 1) {
fprintf(stderr, "More than one operation "
"specified. Aborting.\n");
cli_classic_abort_usage();
}
cli_classic_usage(argv[0]);
exit(0);
break;
case 'o':
#ifdef STANDALONE
fprintf(stderr, "Log file not supported in standalone mode. Aborting.\n");
cli_classic_abort_usage();
#else /* STANDALONE */
logfile = strdup(optarg);
if (logfile[0] == '\0') {
fprintf(stderr, "No log filename specified.\n");
cli_classic_abort_usage();
}
#endif /* STANDALONE */
break;
default:
cli_classic_abort_usage();
break;
}
}
if (optind < argc) {
fprintf(stderr, "Error: Extra parameter found.\n");
cli_classic_abort_usage();
}
if ((read_it | write_it | verify_it) && check_filename(filename, "image")) {
cli_classic_abort_usage();
}
if (layoutfile && check_filename(layoutfile, "layout")) {
cli_classic_abort_usage();
}
#ifndef STANDALONE
if (logfile && check_filename(logfile, "log"))
cli_classic_abort_usage();
if (logfile && open_logfile(logfile))
cli_classic_abort_usage();
#endif /* !STANDALONE */
#if CONFIG_PRINT_WIKI == 1
if (list_supported_wiki) {
print_supported_wiki();
goto out;
}
#endif
if (list_supported) {
if (print_supported())
ret = 1;
goto out;
}
#ifndef STANDALONE
start_logging();
#endif /* !STANDALONE */
print_buildinfo();
msg_gdbg("Command line (%i args):", argc - 1);
for (i = 0; i < argc; i++) {
msg_gdbg(" %s", argv[i]);
}
msg_gdbg("\n");
if (layoutfile && read_romlayout(layoutfile)) {
ret = 1;
goto out;
}
if (!ifd && process_include_args(get_global_layout())) {
ret = 1;
goto out;
}
/* Does a chip with the requested name exist in the flashchips array? */
if (chip_to_probe) {
for (chip = flashchips; chip && chip->name; chip++)
if (!strcmp(chip->name, chip_to_probe))
break;
if (!chip || !chip->name) {
msg_cerr("Error: Unknown chip '%s' specified.\n", chip_to_probe);
msg_gerr("Run flashrom -L to view the hardware supported in this flashrom version.\n");
ret = 1;
goto out;
}
/* Keep chip around for later usage in case a forced read is requested. */
}
if (prog == PROGRAMMER_INVALID) {
if (CONFIG_DEFAULT_PROGRAMMER != PROGRAMMER_INVALID) {
prog = CONFIG_DEFAULT_PROGRAMMER;
/* We need to strdup here because we free(pparam) unconditionally later. */
pparam = strdup(CONFIG_DEFAULT_PROGRAMMER_ARGS);
msg_pinfo("Using default programmer \"%s\" with arguments \"%s\".\n",
programmer_table[CONFIG_DEFAULT_PROGRAMMER].name, pparam);
} else {
msg_perr("Please select a programmer with the --programmer parameter.\n"
"Previously this was not necessary because there was a default set.\n"
#if CONFIG_INTERNAL == 1
"To choose the mainboard of this computer use 'internal'. "
#endif
"Valid choices are:\n");
list_programmers_linebreak(0, 80, 0);
msg_ginfo(".\n");
ret = 1;
goto out;
}
}
#if 0
/* FIXME: Delay calibration should happen in programmer code. */
myusec_calibrate_delay();
#endif
if (programmer_init(prog, pparam)) {
msg_perr("Error: Programmer initialization failed.\n");
ret = 1;
goto out_shutdown;
}
tempstr = flashbuses_to_text(get_buses_supported());
msg_pdbg("The following protocols are supported: %s.\n", tempstr);
free(tempstr);
for (j = 0; j < registered_master_count; j++) {
startchip = 0;
while (chipcount < ARRAY_SIZE(flashes)) {
startchip = probe_flash(®istered_masters[j], startchip, &flashes[chipcount], 0);
if (startchip == -1)
break;
chipcount++;
startchip++;
}
}
if (chipcount > 1) {
msg_cinfo("Multiple flash chip definitions match the detected chip(s): \"%s\"",
flashes[0].chip->name);
for (i = 1; i < chipcount; i++)
msg_cinfo(", \"%s\"", flashes[i].chip->name);
msg_cinfo("\nPlease specify which chip definition to use with the -c <chipname> option.\n");
ret = 1;
goto out_shutdown;
} else if (!chipcount) {
msg_cinfo("No EEPROM/flash device found.\n");
if (!force || !chip_to_probe) {
msg_cinfo("Note: flashrom can never write if the flash chip isn't found "
"automatically.\n");
}
if (force && read_it && chip_to_probe) {
struct registered_master *mst;
int compatible_masters = 0;
msg_cinfo("Force read (-f -r -c) requested, pretending the chip is there:\n");
/* This loop just counts compatible controllers. */
for (j = 0; j < registered_master_count; j++) {
mst = ®istered_masters[j];
/* chip is still set from the chip_to_probe earlier in this function. */
if (mst->buses_supported & chip->bustype)
compatible_masters++;
}
if (!compatible_masters) {
msg_cinfo("No compatible controller found for the requested flash chip.\n");
ret = 1;
goto out_shutdown;
}
if (compatible_masters > 1)
msg_cinfo("More than one compatible controller found for the requested flash "
"chip, using the first one.\n");
for (j = 0; j < registered_master_count; j++) {
mst = ®istered_masters[j];
startchip = probe_flash(mst, 0, &flashes[0], 1);
if (startchip != -1)
break;
}
if (startchip == -1) {
// FIXME: This should never happen! Ask for a bug report?
msg_cinfo("Probing for flash chip '%s' failed.\n", chip_to_probe);
ret = 1;
goto out_shutdown;
}
if (map_flash(&flashes[0]) != 0) {
free(flashes[0].chip);
ret = 1;
goto out_shutdown;
}
msg_cinfo("Please note that forced reads most likely contain garbage.\n");
ret = read_flash_to_file(&flashes[0], filename);
unmap_flash(&flashes[0]);
free(flashes[0].chip);
goto out_shutdown;
}
ret = 1;
goto out_shutdown;
} else if (!chip_to_probe) {
/* repeat for convenience when looking at foreign logs */
tempstr = flashbuses_to_text(flashes[0].chip->bustype);
msg_gdbg("Found %s flash chip \"%s\" (%d kB, %s).\n",
flashes[0].chip->vendor, flashes[0].chip->name, flashes[0].chip->total_size, tempstr);
free(tempstr);
}
fill_flash = &flashes[0];
print_chip_support_status(fill_flash->chip);
unsigned int limitexceeded = count_max_decode_exceedings(fill_flash);
if (limitexceeded > 0 && !force) {
enum chipbustype commonbuses = fill_flash->mst->buses_supported & fill_flash->chip->bustype;
/* Sometimes chip and programmer have more than one bus in common,
* and the limit is not exceeded on all buses. Tell the user. */
if ((bitcount(commonbuses) > limitexceeded)) {
msg_pdbg("There is at least one interface available which could support the size of\n"
"the selected flash chip.\n");
}
msg_cerr("This flash chip is too big for this programmer (--verbose/-V gives details).\n"
"Use --force/-f to override at your own risk.\n");
ret = 1;
goto out_shutdown;
}
if (!(read_it | write_it | verify_it | erase_it | lock)) {
msg_ginfo("No operations were specified.\n");
goto out_shutdown;
}
if (layoutfile) {
layout = get_global_layout();
} else if (ifd && (flashrom_layout_read_from_ifd(&layout, fill_flash, NULL, 0) ||
process_include_args(layout))) {
ret = 1;
goto out_shutdown;
}
if (lock){
unsigned char cmd[1] = {0x05};
unsigned char sr1, sr2;
msg_gdbg("1. Read SR1 and SR2\n");
//Read status register 1
cmd[0] = 0x05;
spi_send_command(fill_flash, sizeof(cmd), sizeof(sr1), cmd, &sr1);
msg_gdbg("SR1 = 0x%02x\n", sr1);
programmer_delay(100000);
//Read status register 2
cmd[0] = 0x35;
spi_send_command(fill_flash, sizeof(cmd), sizeof(sr2), cmd, &sr2);
msg_gdbg("SR2 = 0x%02x\n", sr2);
if ((sr1 & 0x80) && (sr2 & 0x01)){
msg_ginfo("SPI flash is in One Time Program mode. Can't write to it anymore!\n");
goto out_shutdown;
}
/*
Set SPI flash block protect to WP_RO region (0x200000 - 0x7FFFFF)
*/
msg_gdbg("2. Write new values to SR1 = 0x34, SR2 = 0x40\n");
programmer_delay(100000);
// Write enable command
cmd[0] = 0x06;
spi_send_command(fill_flash, sizeof(cmd), 0, cmd, NULL);
programmer_delay(100000);
// Write status register 1
sr1 &= 0x83; //
sr1 |= 0x34; // Set SEC, TB, BP2, BP1, BP0 bits
sr2 &= 0x41;
sr2 |= 0x40; // Enable CMP to reach WP_RO region (0x200000 - 0x7FFFFF)
unsigned char cmd_write[3] = {0x01, sr1, sr2};
spi_send_command(fill_flash, sizeof(cmd_write), 0, cmd_write, NULL);
programmer_delay(100000);
msg_gdbg("3. Read updated SR1 and SR2\n");
//Verify if SR1 and SR2 are written correctly
//Read status register 1
cmd[0] = 0x05;
spi_send_command(fill_flash, sizeof(cmd), sizeof(sr1), cmd, &sr1);
msg_gdbg("SR1 = 0x%02x\n", sr1);
programmer_delay(100000);
//Read status register 2
cmd[0] = 0x35;
spi_send_command(fill_flash, sizeof(cmd), sizeof(sr2), cmd, &sr2);
msg_gdbg("SR2 = 0x%02x\n", sr2);
programmer_delay(100000);
if ((sr1 & 0x34) && (sr2 & 0x40)){
msg_ginfo("Block protection successfully set for WP_RO region!\n");
}
else
{
msg_ginfo("Set block protection for WP_RO region FAILED! Please retry --lock command\n");
goto out_shutdown;
}
/*
Set SPI flash in One Time Program mode
*/
msg_gdbg("4. Set OTP mode.\n");
sr1 |= 0x80; // Set SRP bit
sr2 |= 0x01; // Set SRP1 bit
msg_gdbg("5. Write enable command\n");
// Write enable command
cmd[0] = 0x06;
spi_send_command(fill_flash, sizeof(cmd), 0, cmd, NULL);
programmer_delay(100000);
msg_gdbg("6. SR1.7 = 1 and SR2.0 = 1\n"); // SRP = 1 and SRP1 = 1 means OTP mode
// Write status register 1
cmd_write[0] = 0x01;
cmd_write[1] = sr1;
cmd_write[2] = sr2;
spi_send_command(fill_flash, sizeof(cmd_write), 0, cmd_write, NULL);
programmer_delay(100000);
msg_gdbg("7. Read updated SR1 and SR2\n");
//Verify if SR1 and SR2 are written correctly
// Read status register 1
cmd[0] = 0x05;
spi_send_command(fill_flash, sizeof(cmd), sizeof(sr1), cmd, &sr1);
msg_gdbg("SR1 = 0x%02x\n", sr1);
programmer_delay(100000);
//Read status register 2
cmd[0] = 0x35;
spi_send_command(fill_flash, sizeof(cmd), sizeof(sr2), cmd, &sr2);
msg_gdbg("SR2 = 0x%02x\n", sr2);
programmer_delay(100000);
if ((sr1 & 0x80 ) && (sr2 & 0x01)){
msg_ginfo("SPI flash is in One Time Program mode!\n");
}
else
{
msg_ginfo("Enable One Time Program mode FAILED! Please retry --lock command\n");
}
}
flashrom_layout_set(fill_flash, layout);
flashrom_flag_set(fill_flash, FLASHROM_FLAG_FORCE, !!force);
#if CONFIG_INTERNAL == 1
flashrom_flag_set(fill_flash, FLASHROM_FLAG_FORCE_BOARDMISMATCH, !!force_boardmismatch);
#endif
flashrom_flag_set(fill_flash, FLASHROM_FLAG_VERIFY_AFTER_WRITE, !dont_verify_it);
flashrom_flag_set(fill_flash, FLASHROM_FLAG_VERIFY_WHOLE_CHIP, !dont_verify_all);
progress_bar_init();
/* FIXME: We should issue an unconditional chip reset here. This can be
* done once we have a .reset function in struct flashchip.
* Give the chip time to settle.
*/
programmer_delay(100000);
if (read_it)
ret = do_read(fill_flash, filename);
else if (erase_it)
ret = do_erase(fill_flash);
else if (write_it)
ret = do_write(fill_flash, filename);
else if (verify_it)
ret = do_verify(fill_flash, filename);
progress_bar_exit(ret);
apu_close();
flashrom_layout_release(layout);
out_shutdown:
programmer_shutdown();
out:
for (i = 0; i < chipcount; i++)
free(flashes[i].chip);
layout_cleanup();
free(filename);
free(layoutfile);
free(pparam);
/* clean up global variables */
free((char *)chip_to_probe); /* Silence! Freeing is not modifying contents. */
chip_to_probe = NULL;
#ifndef STANDALONE
free(logfile);
ret |= close_logfile();
#endif /* !STANDALONE */
return ret;
}