summaryrefslogtreecommitdiff
path: root/tools/mtk_image.c
blob: 2706d2de32ae2cf65a066927639f25ddd1f32c40 (plain)
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
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
// SPDX-License-Identifier: GPL-2.0+
/*
 * Generate MediaTek BootROM header for SPL/U-Boot images
 *
 * Copyright (C) 2018 MediaTek Inc.
 * Author: Weijie Gao <weijie.gao@mediatek.com>
 */

#include <image.h>
#include <u-boot/sha256.h>
#include "imagetool.h"
#include "mtk_image.h"

/* NAND header for SPI-NAND with 2KB page + 64B spare */
static const union nand_boot_header snand_hdr_2k_64_data = {
	.data = {
		0x42, 0x4F, 0x4F, 0x54, 0x4C, 0x4F, 0x41, 0x44,
		0x45, 0x52, 0x21, 0x00, 0x56, 0x30, 0x30, 0x36,
		0x4E, 0x46, 0x49, 0x49, 0x4E, 0x46, 0x4F, 0x00,
		0x00, 0x00, 0x00, 0x08, 0x03, 0x00, 0x40, 0x00,
		0x40, 0x00, 0x00, 0x08, 0x10, 0x00, 0x16, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x7B, 0xC4, 0x17, 0x9D,
		0xCA, 0x42, 0x90, 0xD0, 0x98, 0xD0, 0xE0, 0xF7,
		0xDB, 0xCD, 0x16, 0xF6, 0x03, 0x73, 0xD2, 0xB8,
		0x93, 0xB2, 0x56, 0x5A, 0x84, 0x6E, 0x00, 0x00
	}
};

/* NAND header for SPI-NAND with 2KB page + 120B/128B spare */
static const union nand_boot_header snand_hdr_2k_128_data = {
	.data = {
		0x42, 0x4F, 0x4F, 0x54, 0x4C, 0x4F, 0x41, 0x44,
		0x45, 0x52, 0x21, 0x00, 0x56, 0x30, 0x30, 0x36,
		0x4E, 0x46, 0x49, 0x49, 0x4E, 0x46, 0x4F, 0x00,
		0x00, 0x00, 0x00, 0x08, 0x05, 0x00, 0x70, 0x00,
		0x40, 0x00, 0x00, 0x08, 0x10, 0x00, 0x16, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x90, 0x28, 0xED, 0x13,
		0x7F, 0x12, 0x22, 0xCD, 0x3D, 0x06, 0xF1, 0xB3,
		0x6F, 0x2E, 0xD9, 0xA0, 0x9D, 0x7A, 0xBD, 0xD7,
		0xB3, 0x28, 0x3C, 0x13, 0xDB, 0x4E, 0x00, 0x00
	}
};

/* NAND header for SPI-NAND with 4KB page + 256B spare */
static const union nand_boot_header snand_hdr_4k_256_data = {
	.data = {
		0x42, 0x4F, 0x4F, 0x54, 0x4C, 0x4F, 0x41, 0x44,
		0x45, 0x52, 0x21, 0x00, 0x56, 0x30, 0x30, 0x36,
		0x4E, 0x46, 0x49, 0x49, 0x4E, 0x46, 0x4F, 0x00,
		0x00, 0x00, 0x00, 0x10, 0x05, 0x00, 0xE0, 0x00,
		0x40, 0x00, 0x00, 0x08, 0x10, 0x00, 0x16, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x47, 0xED, 0x0E, 0xC3,
		0x83, 0xBF, 0x41, 0xD2, 0x85, 0x21, 0x97, 0x57,
		0xC4, 0x2E, 0x6B, 0x7A, 0x40, 0xE0, 0xCF, 0x8F,
		0x37, 0xBD, 0x17, 0xB6, 0xC7, 0xFE, 0x00, 0x00
	}
};

/* NAND header for Parallel NAND 1Gb with 2KB page + 64B spare */
static const union nand_boot_header nand_hdr_1gb_2k_64_data = {
	.data = {
		0x42, 0x4F, 0x4F, 0x54, 0x4C, 0x4F, 0x41, 0x44,
		0x45, 0x52, 0x21, 0x00, 0x56, 0x30, 0x30, 0x36,
		0x4E, 0x46, 0x49, 0x49, 0x4E, 0x46, 0x4F, 0x00,
		0x00, 0x00, 0x00, 0x08, 0x05, 0x00, 0x40, 0x00,
		0x40, 0x00, 0x00, 0x04, 0x0B, 0x00, 0x11, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x12, 0x28, 0x1C, 0x12,
		0x8F, 0xFD, 0xF8, 0x32, 0x6F, 0x6D, 0xCF, 0x6C,
		0xDA, 0x21, 0x70, 0x8C, 0xDA, 0x0A, 0x22, 0x82,
		0xAA, 0x59, 0xFA, 0x7C, 0x42, 0x2D, 0x00, 0x00
	}
};

/* NAND header for Parallel NAND 2Gb with 2KB page + 64B spare */
static const union nand_boot_header nand_hdr_2gb_2k_64_data = {
	.data = {
		0x42, 0x4F, 0x4F, 0x54, 0x4C, 0x4F, 0x41, 0x44,
		0x45, 0x52, 0x21, 0x00, 0x56, 0x30, 0x30, 0x36,
		0x4E, 0x46, 0x49, 0x49, 0x4E, 0x46, 0x4F, 0x00,
		0x00, 0x00, 0x00, 0x08, 0x05, 0x00, 0x40, 0x00,
		0x40, 0x00, 0x00, 0x08, 0x0B, 0x00, 0x11, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x20, 0x9C, 0x3D, 0x2D,
		0x7B, 0x68, 0x63, 0x52, 0x2E, 0x04, 0x63, 0xF1,
		0x35, 0x4E, 0x44, 0x3E, 0xF8, 0xAC, 0x9B, 0x95,
		0xAB, 0xFE, 0xE4, 0xE1, 0xD5, 0xF9, 0x00, 0x00
	}
};

/* NAND header for Parallel NAND 4Gb with 2KB page + 64B spare */
static const union nand_boot_header nand_hdr_4gb_2k_64_data = {
	.data = {
		0x42, 0x4F, 0x4F, 0x54, 0x4C, 0x4F, 0x41, 0x44,
		0x45, 0x52, 0x21, 0x00, 0x56, 0x30, 0x30, 0x36,
		0x4E, 0x46, 0x49, 0x49, 0x4E, 0x46, 0x4F, 0x00,
		0x00, 0x00, 0x00, 0x08, 0x05, 0x00, 0x40, 0x00,
		0x40, 0x00, 0x00, 0x10, 0x0B, 0x00, 0x11, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0xE3, 0x0F, 0x86, 0x32,
		0x68, 0x05, 0xD9, 0xC8, 0x13, 0xDF, 0xC5, 0x0B,
		0x35, 0x3A, 0x68, 0xA5, 0x3C, 0x0C, 0x73, 0x87,
		0x63, 0xB0, 0xBE, 0xCC, 0x84, 0x47, 0x00, 0x00
	}
};

/* NAND header for Parallel NAND 2Gb with 2KB page + 128B spare */
static const union nand_boot_header nand_hdr_2gb_2k_128_data = {
	.data = {
		0x42, 0x4F, 0x4F, 0x54, 0x4C, 0x4F, 0x41, 0x44,
		0x45, 0x52, 0x21, 0x00, 0x56, 0x30, 0x30, 0x36,
		0x4E, 0x46, 0x49, 0x49, 0x4E, 0x46, 0x4F, 0x00,
		0x00, 0x00, 0x00, 0x08, 0x05, 0x00, 0x70, 0x00,
		0x40, 0x00, 0x00, 0x08, 0x0B, 0x00, 0x11, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x01, 0xA5, 0xE9, 0x5A,
		0xDF, 0x58, 0x62, 0x41, 0xD6, 0x26, 0x77, 0xBC,
		0x76, 0x1F, 0x27, 0x4E, 0x4F, 0x6C, 0xC3, 0xF0,
		0x36, 0xDE, 0xD9, 0xB3, 0xFF, 0x93, 0x00, 0x00
	}
};

/* NAND header for Parallel NAND 4Gb with 2KB page + 128B spare */
static const union nand_boot_header nand_hdr_4gb_2k_128_data = {
	.data = {
		0x42, 0x4F, 0x4F, 0x54, 0x4C, 0x4F, 0x41, 0x44,
		0x45, 0x52, 0x21, 0x00, 0x56, 0x30, 0x30, 0x36,
		0x4E, 0x46, 0x49, 0x49, 0x4E, 0x46, 0x4F, 0x00,
		0x00, 0x00, 0x00, 0x08, 0x05, 0x00, 0x70, 0x00,
		0x40, 0x00, 0x00, 0x10, 0x0B, 0x00, 0x11, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0xC2, 0x36, 0x52, 0x45,
		0xCC, 0x35, 0xD8, 0xDB, 0xEB, 0xFD, 0xD1, 0x46,
		0x76, 0x6B, 0x0B, 0xD5, 0x8B, 0xCC, 0x2B, 0xE2,
		0xFE, 0x90, 0x83, 0x9E, 0xAE, 0x2D, 0x00, 0x00
	}
};

static const struct nand_header_type {
	const char *name;
	const union nand_boot_header *data;
} nand_headers[] = {
	{
		.name = "2k+64",
		.data = &snand_hdr_2k_64_data
	}, {
		.name = "2k+120",
		.data = &snand_hdr_2k_128_data
	}, {
		.name = "2k+128",
		.data = &snand_hdr_2k_128_data
	}, {
		.name = "4k+256",
		.data = &snand_hdr_4k_256_data
	}, {
		.name = "1g:2k+64",
		.data = &nand_hdr_1gb_2k_64_data
	}, {
		.name = "2g:2k+64",
		.data = &nand_hdr_2gb_2k_64_data
	}, {
		.name = "4g:2k+64",
		.data = &nand_hdr_4gb_2k_64_data
	}, {
		.name = "2g:2k+128",
		.data = &nand_hdr_2gb_2k_128_data
	}, {
		.name = "4g:2k+128",
		.data = &nand_hdr_4gb_2k_128_data
	}
};

static const struct brom_img_type {
	const char *name;
	enum brlyt_img_type type;
} brom_images[] = {
	{
		.name = "nand",
		.type = BRLYT_TYPE_NAND
	}, {
		.name = "emmc",
		.type = BRLYT_TYPE_EMMC
	}, {
		.name = "nor",
		.type = BRLYT_TYPE_NOR
	}, {
		.name = "sdmmc",
		.type = BRLYT_TYPE_SDMMC
	}, {
		.name = "snand",
		.type = BRLYT_TYPE_SNAND
	}
};

/* Image type selected by user */
static enum brlyt_img_type hdr_media;
static int use_lk_hdr;

/* LK image name */
static char lk_name[32] = "U-Boot";

/* NAND header selected by user */
static const union nand_boot_header *hdr_nand;

/* GFH header + 2 * 4KB pages of NAND */
static char hdr_tmp[sizeof(struct gfh_header) + 0x2000];

static int mtk_image_check_image_types(uint8_t type)
{
	if (type == IH_TYPE_MTKIMAGE)
		return EXIT_SUCCESS;
	else
		return EXIT_FAILURE;
}

static int mtk_brom_parse_imagename(const char *imagename)
{
#define is_blank_char(c) \
	((c) == '\t' || (c) == '\n' || (c) == '\r' || (c) == ' ')

	char *buf = strdup(imagename), *key, *val, *end, *next;
	int i;

	/* User passed arguments from image name */
	static const char *media = "";
	static const char *nandinfo = "";
	static const char *lk = "";

	key = buf;
	while (key) {
		next = strchr(key, ';');
		if (next)
			*next = 0;

		val = strchr(key, '=');
		if (val) {
			*val++ = 0;

			/* Trim key */
			while (is_blank_char(*key))
				key++;

			end = key + strlen(key) - 1;
			while ((end >= key) && is_blank_char(*end))
				end--;
			end++;

			if (is_blank_char(*end))
				*end = 0;

			/* Trim value */
			while (is_blank_char(*val))
				val++;

			end = val + strlen(val) - 1;
			while ((end >= val) && is_blank_char(*end))
				end--;
			end++;

			if (is_blank_char(*end))
				*end = 0;

			/* record user passed arguments */
			if (!strcmp(key, "media"))
				media = val;

			if (!strcmp(key, "nandinfo"))
				nandinfo = val;

			if (!strcmp(key, "lk"))
				lk = val;

			if (!strcmp(key, "lkname"))
				strncpy(lk_name, val, sizeof(lk_name));
		}

		if (next)
			key = next + 1;
		else
			break;
	}

	/* if user specified LK image header, skip following checks */
	if (lk && lk[0] == '1') {
		use_lk_hdr = 1;
		free(buf);
		return 0;
	}

	/* parse media type */
	for (i = 0; i < ARRAY_SIZE(brom_images); i++) {
		if (!strcmp(brom_images[i].name, media)) {
			hdr_media = brom_images[i].type;
			break;
		}
	}

	/* parse nand header type */
	for (i = 0; i < ARRAY_SIZE(nand_headers); i++) {
		if (!strcmp(nand_headers[i].name, nandinfo)) {
			hdr_nand = nand_headers[i].data;
			break;
		}
	}

	free(buf);

	if (hdr_media == BRLYT_TYPE_INVALID) {
		fprintf(stderr, "Error: media type is invalid or missing.\n");
		fprintf(stderr, "       Please specify -n \"media=<type>\"\n");
		return -EINVAL;
	}

	if ((hdr_media == BRLYT_TYPE_NAND || hdr_media == BRLYT_TYPE_SNAND) &&
	    !hdr_nand) {
		fprintf(stderr, "Error: nand info is invalid or missing.\n");
		fprintf(stderr, "       Please specify -n \"media=%s;"
				"nandinfo=<info>\"\n", media);
		return -EINVAL;
	}

	return 0;
}

static int mtk_image_check_params(struct image_tool_params *params)
{
	if (!params->addr) {
		fprintf(stderr, "Error: Load Address must be set.\n");
		return -EINVAL;
	}

	if (!params->imagename) {
		fprintf(stderr, "Error: Image Name must be set.\n");
		return -EINVAL;
	}

	return mtk_brom_parse_imagename(params->imagename);
}

static int mtk_image_vrec_header(struct image_tool_params *params,
				 struct image_type_params *tparams)
{
	if (use_lk_hdr) {
		tparams->header_size = sizeof(union lk_hdr);
		tparams->hdr = &hdr_tmp;
		memset(&hdr_tmp, 0xff, tparams->header_size);
		return 0;
	}

	if (hdr_media == BRLYT_TYPE_NAND || hdr_media == BRLYT_TYPE_SNAND)
		tparams->header_size = 2 * le16_to_cpu(hdr_nand->pagesize);
	else
		tparams->header_size = sizeof(struct gen_device_header);

	tparams->header_size += sizeof(struct gfh_header);
	tparams->hdr = &hdr_tmp;

	memset(&hdr_tmp, 0xff, tparams->header_size);

	return SHA256_SUM_LEN;
}

static int mtk_image_verify_gen_header(const uint8_t *ptr, int print)
{
	union gen_boot_header *gbh = (union gen_boot_header *)ptr;
	struct brom_layout_header *bh;
	struct gfh_header *gfh;
	const char *bootmedia;

	if (!strcmp(gbh->name, SF_BOOT_NAME))
		bootmedia = "Serial NOR";
	else if (!strcmp(gbh->name, EMMC_BOOT_NAME))
		bootmedia = "eMMC";
	else if (!strcmp(gbh->name, SDMMC_BOOT_NAME))
		bootmedia = "SD/MMC";
	else
		return -1;

	if (print)
		printf("Boot Media:   %s\n", bootmedia);

	if (le32_to_cpu(gbh->version) != 1 ||
	    le32_to_cpu(gbh->size) != sizeof(union gen_boot_header))
		return -1;

	bh = (struct brom_layout_header *)(ptr + le32_to_cpu(gbh->size));

	if (strcmp(bh->name, BRLYT_NAME))
		return -1;

	if (le32_to_cpu(bh->magic) != BRLYT_MAGIC ||
	    (le32_to_cpu(bh->type) != BRLYT_TYPE_NOR &&
	    le32_to_cpu(bh->type) != BRLYT_TYPE_EMMC &&
	    le32_to_cpu(bh->type) != BRLYT_TYPE_SDMMC))
		return -1;

	gfh = (struct gfh_header *)(ptr + le32_to_cpu(bh->header_size));

	if (strcmp(gfh->file_info.name, GFH_FILE_INFO_NAME))
		return -1;

	if (le32_to_cpu(gfh->file_info.flash_type) != GFH_FLASH_TYPE_GEN)
		return -1;

	if (print)
		printf("Load Address: %08x\n",
		       le32_to_cpu(gfh->file_info.load_addr) +
		       le32_to_cpu(gfh->file_info.jump_offset));

	return 0;
}

static int mtk_image_verify_nand_header(const uint8_t *ptr, int print)
{
	union nand_boot_header *nh = (union nand_boot_header *)ptr;
	struct brom_layout_header *bh;
	struct gfh_header *gfh;
	const char *bootmedia;

	if (strncmp(nh->version, NAND_BOOT_VERSION, sizeof(nh->version)) ||
	    strcmp(nh->id, NAND_BOOT_ID))
		return -1;

	bh = (struct brom_layout_header *)(ptr + le16_to_cpu(nh->pagesize));

	if (strcmp(bh->name, BRLYT_NAME))
		return -1;

	if (le32_to_cpu(bh->magic) != BRLYT_MAGIC) {
		return -1;
	} else {
		if (le32_to_cpu(bh->type) == BRLYT_TYPE_NAND)
			bootmedia = "Parallel NAND";
		else if (le32_to_cpu(bh->type) == BRLYT_TYPE_SNAND)
			bootmedia = "Serial NAND";
		else
			return -1;
	}

	if (print) {
		printf("Boot Media: %s\n", bootmedia);

		if (le32_to_cpu(bh->type) == BRLYT_TYPE_NAND) {
			uint64_t capacity =
				(uint64_t)le16_to_cpu(nh->numblocks) *
				(uint64_t)le16_to_cpu(nh->pages_of_block) *
				(uint64_t)le16_to_cpu(nh->pagesize) * 8;
			printf("Capacity:     %dGb\n",
			       (uint32_t)(capacity >> 30));
		}

		if (le16_to_cpu(nh->pagesize) >= 1024)
			printf("Page Size:    %dKB\n",
			       le16_to_cpu(nh->pagesize) >> 10);
		else
			printf("Page Size:    %dB\n",
			       le16_to_cpu(nh->pagesize));

		printf("Spare Size:   %dB\n", le16_to_cpu(nh->oobsize));
	}

	gfh = (struct gfh_header *)(ptr + 2 * le16_to_cpu(nh->pagesize));

	if (strcmp(gfh->file_info.name, GFH_FILE_INFO_NAME))
		return -1;

	if (le32_to_cpu(gfh->file_info.flash_type) != GFH_FLASH_TYPE_NAND)
		return -1;

	if (print)
		printf("Load Address: %08x\n",
		       le32_to_cpu(gfh->file_info.load_addr) +
		       le32_to_cpu(gfh->file_info.jump_offset));

	return 0;
}

static int mtk_image_verify_header(unsigned char *ptr, int image_size,
				   struct image_tool_params *params)
{
	union lk_hdr *lk = (union lk_hdr *)ptr;

	/* nothing to verify for LK image header */
	if (le32_to_cpu(lk->magic) == LK_PART_MAGIC)
		return 0;

	if (!strcmp((char *)ptr, NAND_BOOT_NAME))
		return mtk_image_verify_nand_header(ptr, 0);
	else
		return mtk_image_verify_gen_header(ptr, 0);

	return -1;
}

static void mtk_image_print_header(const void *ptr)
{
	union lk_hdr *lk = (union lk_hdr *)ptr;

	if (le32_to_cpu(lk->magic) == LK_PART_MAGIC) {
		printf("Image Type:   MediaTek LK Image\n");
		printf("Load Address: %08x\n", le32_to_cpu(lk->loadaddr));
		return;
	}

	printf("Image Type:   MediaTek BootROM Loadable Image\n");

	if (!strcmp((char *)ptr, NAND_BOOT_NAME))
		mtk_image_verify_nand_header(ptr, 1);
	else
		mtk_image_verify_gen_header(ptr, 1);
}

static void put_brom_layout_header(struct brom_layout_header *hdr, int type)
{
	strncpy(hdr->name, BRLYT_NAME, sizeof(hdr->name));
	hdr->version = cpu_to_le32(1);
	hdr->magic = cpu_to_le32(BRLYT_MAGIC);
	hdr->type = cpu_to_le32(type);
}

static void put_ghf_common_header(struct gfh_common_header *gfh, int size,
				  int type, int ver)
{
	memcpy(gfh->magic, GFH_HEADER_MAGIC, sizeof(gfh->magic));
	gfh->version = ver;
	gfh->size = cpu_to_le16(size);
	gfh->type = cpu_to_le16(type);
}

static void put_ghf_header(struct gfh_header *gfh, int file_size,
			   int dev_hdr_size, int load_addr, int flash_type)
{
	memset(gfh, 0, sizeof(struct gfh_header));

	/* GFH_FILE_INFO header */
	put_ghf_common_header(&gfh->file_info.gfh, sizeof(gfh->file_info),
			      GFH_TYPE_FILE_INFO, 1);
	strncpy(gfh->file_info.name, GFH_FILE_INFO_NAME,
		sizeof(gfh->file_info.name));
	gfh->file_info.unused = cpu_to_le32(1);
	gfh->file_info.file_type = cpu_to_le16(1);
	gfh->file_info.flash_type = flash_type;
	gfh->file_info.sig_type = GFH_SIG_TYPE_SHA256;
	gfh->file_info.load_addr = cpu_to_le32(load_addr - sizeof(*gfh));
	gfh->file_info.total_size = cpu_to_le32(file_size - dev_hdr_size);
	gfh->file_info.max_size = cpu_to_le32(file_size);
	gfh->file_info.hdr_size = sizeof(*gfh);
	gfh->file_info.sig_size = SHA256_SUM_LEN;
	gfh->file_info.jump_offset = sizeof(*gfh);
	gfh->file_info.processed = cpu_to_le32(1);

	/* GFH_BL_INFO header */
	put_ghf_common_header(&gfh->bl_info.gfh, sizeof(gfh->bl_info),
			      GFH_TYPE_BL_INFO, 1);
	gfh->bl_info.attr = cpu_to_le32(1);

	/* GFH_BROM_CFG header */
	put_ghf_common_header(&gfh->brom_cfg.gfh, sizeof(gfh->brom_cfg),
			      GFH_TYPE_BROM_CFG, 3);
	gfh->brom_cfg.cfg_bits = cpu_to_le32(
		GFH_BROM_CFG_USBDL_AUTO_DETECT_DIS |
		GFH_BROM_CFG_USBDL_BY_KCOL0_TIMEOUT_EN |
		GFH_BROM_CFG_USBDL_BY_FLAG_TIMEOUT_EN);
	gfh->brom_cfg.usbdl_by_kcol0_timeout_ms = cpu_to_le32(5000);

	/* GFH_BL_SEC_KEY header */
	put_ghf_common_header(&gfh->bl_sec_key.gfh, sizeof(gfh->bl_sec_key),
			      GFH_TYPE_BL_SEC_KEY, 1);

	/* GFH_ANTI_CLONE header */
	put_ghf_common_header(&gfh->anti_clone.gfh, sizeof(gfh->anti_clone),
			      GFH_TYPE_ANTI_CLONE, 1);
	gfh->anti_clone.ac_offset = cpu_to_le32(0x10);
	gfh->anti_clone.ac_len = cpu_to_le32(0x80);

	/* GFH_BROM_SEC_CFG header */
	put_ghf_common_header(&gfh->brom_sec_cfg.gfh,
			      sizeof(gfh->brom_sec_cfg),
			      GFH_TYPE_BROM_SEC_CFG, 1);
	gfh->brom_sec_cfg.cfg_bits =
		cpu_to_le32(BROM_SEC_CFG_JTAG_EN | BROM_SEC_CFG_UART_EN);
}

static void put_hash(uint8_t *buff, int size)
{
	sha256_context ctx;

	sha256_starts(&ctx);
	sha256_update(&ctx, buff, size);
	sha256_finish(&ctx, buff + size);
}

static void mtk_image_set_gen_header(void *ptr, off_t filesize,
				     uint32_t loadaddr)
{
	struct gen_device_header *hdr = (struct gen_device_header *)ptr;
	struct gfh_header *gfh;
	const char *bootname = NULL;

	if (hdr_media == BRLYT_TYPE_NOR)
		bootname = SF_BOOT_NAME;
	else if (hdr_media == BRLYT_TYPE_EMMC)
		bootname = EMMC_BOOT_NAME;
	else if (hdr_media == BRLYT_TYPE_SDMMC)
		bootname = SDMMC_BOOT_NAME;

	/* Generic device header */
	strncpy(hdr->boot.name, bootname, sizeof(hdr->boot.name));
	hdr->boot.version = cpu_to_le32(1);
	hdr->boot.size = cpu_to_le32(sizeof(hdr->boot));

	/* BRLYT header */
	put_brom_layout_header(&hdr->brlyt, hdr_media);
	hdr->brlyt.header_size = cpu_to_le32(sizeof(struct gen_device_header));
	hdr->brlyt.total_size = cpu_to_le32(filesize);
	hdr->brlyt.header_size_2 = hdr->brlyt.header_size;
	hdr->brlyt.total_size_2 = hdr->brlyt.total_size;

	/* GFH header */
	gfh = (struct gfh_header *)(ptr + sizeof(struct gen_device_header));
	put_ghf_header(gfh, filesize, sizeof(struct gen_device_header),
		       loadaddr, GFH_FLASH_TYPE_GEN);

	/* Generate SHA256 hash */
	put_hash((uint8_t *)gfh,
		 filesize - sizeof(struct gen_device_header) - SHA256_SUM_LEN);
}

static void mtk_image_set_nand_header(void *ptr, off_t filesize,
				      uint32_t loadaddr)
{
	union nand_boot_header *nh = (union nand_boot_header *)ptr;
	struct brom_layout_header *brlyt;
	struct gfh_header *gfh;
	uint32_t payload_pages;
	int i;

	/* NAND device header, repeat 4 times */
	for (i = 0; i < 4; i++)
		memcpy(nh + i, hdr_nand, sizeof(union nand_boot_header));

	/* BRLYT header */
	payload_pages = (filesize + le16_to_cpu(hdr_nand->pagesize) - 1) /
			le16_to_cpu(hdr_nand->pagesize);
	brlyt = (struct brom_layout_header *)
		(ptr + le16_to_cpu(hdr_nand->pagesize));
	put_brom_layout_header(brlyt, hdr_media);
	brlyt->header_size = cpu_to_le32(2);
	brlyt->total_size = cpu_to_le32(payload_pages);
	brlyt->header_size_2 = brlyt->header_size;
	brlyt->total_size_2 = brlyt->total_size;
	brlyt->unused = cpu_to_le32(1);

	/* GFH header */
	gfh = (struct gfh_header *)(ptr + 2 * le16_to_cpu(hdr_nand->pagesize));
	put_ghf_header(gfh, filesize, 2 * le16_to_cpu(hdr_nand->pagesize),
		       loadaddr, GFH_FLASH_TYPE_NAND);

	/* Generate SHA256 hash */
	put_hash((uint8_t *)gfh,
		 filesize - 2 * le16_to_cpu(hdr_nand->pagesize) - SHA256_SUM_LEN);
}

static void mtk_image_set_header(void *ptr, struct stat *sbuf, int ifd,
				 struct image_tool_params *params)
{
	union lk_hdr *lk = (union lk_hdr *)ptr;

	if (use_lk_hdr) {
		lk->magic = cpu_to_le32(LK_PART_MAGIC);
		lk->size = cpu_to_le32(sbuf->st_size - sizeof(union lk_hdr));
		lk->loadaddr = cpu_to_le32(params->addr);
		lk->mode = 0xffffffff; /* must be non-zero */
		memset(lk->name, 0, sizeof(lk->name));
		strncpy(lk->name, lk_name, sizeof(lk->name));
		return;
	}

	if (hdr_media == BRLYT_TYPE_NAND || hdr_media == BRLYT_TYPE_SNAND)
		mtk_image_set_nand_header(ptr, sbuf->st_size, params->addr);
	else
		mtk_image_set_gen_header(ptr, sbuf->st_size, params->addr);
}

U_BOOT_IMAGE_TYPE(
	mtk_image,
	"MediaTek BootROM Loadable Image support",
	0,
	NULL,
	mtk_image_check_params,
	mtk_image_verify_header,
	mtk_image_print_header,
	mtk_image_set_header,
	NULL,
	mtk_image_check_image_types,
	NULL,
	mtk_image_vrec_header
);