blob: 2e7200957620ca843f4bb78759f86113f0d6bd99 [file] [log] [blame]
Marek Vasutf29f7e02011-11-08 23:18:18 +00001/*
2 * Freescale i.MX28 image generator
3 *
4 * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
5 * on behalf of DENX Software Engineering GmbH
6 *
Wolfgang Denk1a459662013-07-08 09:37:19 +02007 * SPDX-License-Identifier: GPL-2.0+
Marek Vasutf29f7e02011-11-08 23:18:18 +00008 */
9
10#include <fcntl.h>
11#include <sys/stat.h>
12#include <sys/types.h>
13#include <unistd.h>
14
15#include "compiler.h"
16
Jörg Krause61215602015-04-15 09:27:23 +020017/* Taken from <linux/kernel.h> */
18#define __round_mask(x, y) ((__typeof__(x))((y)-1))
19#define round_down(x, y) ((x) & ~__round_mask(x, y))
20
Marek Vasutf29f7e02011-11-08 23:18:18 +000021/*
22 * Default BCB layout.
23 *
24 * TWEAK this if you have blown any OCOTP fuses.
25 */
26#define STRIDE_PAGES 64
27#define STRIDE_COUNT 4
28
29/*
30 * Layout for 256Mb big NAND with 2048b page size, 64b OOB size and
31 * 128kb erase size.
32 *
33 * TWEAK this if you have different kind of NAND chip.
34 */
Marek Vasut62d40d12013-08-27 23:32:37 +020035static uint32_t nand_writesize = 2048;
36static uint32_t nand_oobsize = 64;
37static uint32_t nand_erasesize = 128 * 1024;
Marek Vasutf29f7e02011-11-08 23:18:18 +000038
39/*
40 * Sector on which the SigmaTel boot partition (0x53) starts.
41 */
Marek Vasut62d40d12013-08-27 23:32:37 +020042static uint32_t sd_sector = 2048;
Marek Vasutf29f7e02011-11-08 23:18:18 +000043
44/*
45 * Each of the U-Boot bootstreams is at maximum 1MB big.
46 *
47 * TWEAK this if, for some wild reason, you need to boot bigger image.
48 */
49#define MAX_BOOTSTREAM_SIZE (1 * 1024 * 1024)
50
51/* i.MX28 NAND controller-specific constants. DO NOT TWEAK! */
52#define MXS_NAND_DMA_DESCRIPTOR_COUNT 4
53#define MXS_NAND_CHUNK_DATA_CHUNK_SIZE 512
54#define MXS_NAND_METADATA_SIZE 10
Jörg Krause1fbdb702015-04-15 09:27:22 +020055#define MXS_NAND_BITS_PER_ECC_LEVEL 13
Marek Vasutf29f7e02011-11-08 23:18:18 +000056#define MXS_NAND_COMMAND_BUFFER_SIZE 32
57
58struct mx28_nand_fcb {
59 uint32_t checksum;
60 uint32_t fingerprint;
61 uint32_t version;
62 struct {
63 uint8_t data_setup;
64 uint8_t data_hold;
65 uint8_t address_setup;
66 uint8_t dsample_time;
67 uint8_t nand_timing_state;
68 uint8_t rea;
69 uint8_t rloh;
70 uint8_t rhoh;
71 } timing;
72 uint32_t page_data_size;
73 uint32_t total_page_size;
74 uint32_t sectors_per_block;
75 uint32_t number_of_nands; /* Ignored */
76 uint32_t total_internal_die; /* Ignored */
77 uint32_t cell_type; /* Ignored */
78 uint32_t ecc_block_n_ecc_type;
79 uint32_t ecc_block_0_size;
80 uint32_t ecc_block_n_size;
81 uint32_t ecc_block_0_ecc_type;
82 uint32_t metadata_bytes;
83 uint32_t num_ecc_blocks_per_page;
84 uint32_t ecc_block_n_ecc_level_sdk; /* Ignored */
85 uint32_t ecc_block_0_size_sdk; /* Ignored */
86 uint32_t ecc_block_n_size_sdk; /* Ignored */
87 uint32_t ecc_block_0_ecc_level_sdk; /* Ignored */
88 uint32_t num_ecc_blocks_per_page_sdk; /* Ignored */
89 uint32_t metadata_bytes_sdk; /* Ignored */
90 uint32_t erase_threshold;
91 uint32_t boot_patch;
92 uint32_t patch_sectors;
93 uint32_t firmware1_starting_sector;
94 uint32_t firmware2_starting_sector;
95 uint32_t sectors_in_firmware1;
96 uint32_t sectors_in_firmware2;
97 uint32_t dbbt_search_area_start_address;
98 uint32_t badblock_marker_byte;
99 uint32_t badblock_marker_start_bit;
100 uint32_t bb_marker_physical_offset;
101};
102
103struct mx28_nand_dbbt {
104 uint32_t checksum;
105 uint32_t fingerprint;
106 uint32_t version;
107 uint32_t number_bb;
108 uint32_t number_2k_pages_bb;
109};
110
111struct mx28_nand_bbt {
112 uint32_t nand;
113 uint32_t number_bb;
114 uint32_t badblock[510];
115};
116
117struct mx28_sd_drive_info {
118 uint32_t chip_num;
119 uint32_t drive_type;
120 uint32_t tag;
121 uint32_t first_sector_number;
122 uint32_t sector_count;
123};
124
125struct mx28_sd_config_block {
126 uint32_t signature;
127 uint32_t primary_boot_tag;
128 uint32_t secondary_boot_tag;
129 uint32_t num_copies;
130 struct mx28_sd_drive_info drv_info[1];
131};
132
Jörg Krause61215602015-04-15 09:27:23 +0200133static inline uint32_t mx28_nand_ecc_chunk_cnt(uint32_t page_data_size)
134{
135 return page_data_size / MXS_NAND_CHUNK_DATA_CHUNK_SIZE;
136}
137
Marek Vasutf29f7e02011-11-08 23:18:18 +0000138static inline uint32_t mx28_nand_ecc_size_in_bits(uint32_t ecc_strength)
139{
Jörg Krause1fbdb702015-04-15 09:27:22 +0200140 return ecc_strength * MXS_NAND_BITS_PER_ECC_LEVEL;
Marek Vasutf29f7e02011-11-08 23:18:18 +0000141}
142
143static inline uint32_t mx28_nand_get_ecc_strength(uint32_t page_data_size,
144 uint32_t page_oob_size)
145{
Jörg Krause61215602015-04-15 09:27:23 +0200146 int ecc_strength;
Marek Vasutf29f7e02011-11-08 23:18:18 +0000147
Jörg Krause61215602015-04-15 09:27:23 +0200148 /*
149 * Determine the ECC layout with the formula:
150 * ECC bits per chunk = (total page spare data bits) /
151 * (bits per ECC level) / (chunks per page)
152 * where:
153 * total page spare data bits =
154 * (page oob size - meta data size) * (bits per byte)
155 */
156 ecc_strength = ((page_oob_size - MXS_NAND_METADATA_SIZE) * 8)
157 / (MXS_NAND_BITS_PER_ECC_LEVEL *
158 mx28_nand_ecc_chunk_cnt(page_data_size));
Marek Vasutf29f7e02011-11-08 23:18:18 +0000159
Jörg Krause61215602015-04-15 09:27:23 +0200160 return round_down(ecc_strength, 2);
Marek Vasutf29f7e02011-11-08 23:18:18 +0000161}
162
163static inline uint32_t mx28_nand_get_mark_offset(uint32_t page_data_size,
164 uint32_t ecc_strength)
165{
166 uint32_t chunk_data_size_in_bits;
167 uint32_t chunk_ecc_size_in_bits;
168 uint32_t chunk_total_size_in_bits;
169 uint32_t block_mark_chunk_number;
170 uint32_t block_mark_chunk_bit_offset;
171 uint32_t block_mark_bit_offset;
172
173 chunk_data_size_in_bits = MXS_NAND_CHUNK_DATA_CHUNK_SIZE * 8;
174 chunk_ecc_size_in_bits = mx28_nand_ecc_size_in_bits(ecc_strength);
175
176 chunk_total_size_in_bits =
177 chunk_data_size_in_bits + chunk_ecc_size_in_bits;
178
179 /* Compute the bit offset of the block mark within the physical page. */
180 block_mark_bit_offset = page_data_size * 8;
181
182 /* Subtract the metadata bits. */
183 block_mark_bit_offset -= MXS_NAND_METADATA_SIZE * 8;
184
185 /*
186 * Compute the chunk number (starting at zero) in which the block mark
187 * appears.
188 */
189 block_mark_chunk_number =
190 block_mark_bit_offset / chunk_total_size_in_bits;
191
192 /*
193 * Compute the bit offset of the block mark within its chunk, and
194 * validate it.
195 */
196 block_mark_chunk_bit_offset = block_mark_bit_offset -
197 (block_mark_chunk_number * chunk_total_size_in_bits);
198
199 if (block_mark_chunk_bit_offset > chunk_data_size_in_bits)
200 return 1;
201
202 /*
203 * Now that we know the chunk number in which the block mark appears,
204 * we can subtract all the ECC bits that appear before it.
205 */
206 block_mark_bit_offset -=
207 block_mark_chunk_number * chunk_ecc_size_in_bits;
208
209 return block_mark_bit_offset;
210}
211
212static inline uint32_t mx28_nand_mark_byte_offset(void)
213{
214 uint32_t ecc_strength;
215 ecc_strength = mx28_nand_get_ecc_strength(nand_writesize, nand_oobsize);
216 return mx28_nand_get_mark_offset(nand_writesize, ecc_strength) >> 3;
217}
218
219static inline uint32_t mx28_nand_mark_bit_offset(void)
220{
221 uint32_t ecc_strength;
222 ecc_strength = mx28_nand_get_ecc_strength(nand_writesize, nand_oobsize);
223 return mx28_nand_get_mark_offset(nand_writesize, ecc_strength) & 0x7;
224}
225
226static uint32_t mx28_nand_block_csum(uint8_t *block, uint32_t size)
227{
228 uint32_t csum = 0;
229 int i;
230
231 for (i = 0; i < size; i++)
232 csum += block[i];
233
234 return csum ^ 0xffffffff;
235}
236
237static struct mx28_nand_fcb *mx28_nand_get_fcb(uint32_t size)
238{
239 struct mx28_nand_fcb *fcb;
240 uint32_t bcb_size_bytes;
241 uint32_t stride_size_bytes;
242 uint32_t bootstream_size_pages;
243 uint32_t fw1_start_page;
244 uint32_t fw2_start_page;
245
246 fcb = malloc(nand_writesize);
247 if (!fcb) {
248 printf("MX28 NAND: Unable to allocate FCB\n");
249 return NULL;
250 }
251
252 memset(fcb, 0, nand_writesize);
253
254 fcb->fingerprint = 0x20424346;
255 fcb->version = 0x01000000;
256
257 /*
258 * FIXME: These here are default values as found in kobs-ng. We should
259 * probably retrieve the data from NAND or something.
260 */
261 fcb->timing.data_setup = 80;
262 fcb->timing.data_hold = 60;
263 fcb->timing.address_setup = 25;
264 fcb->timing.dsample_time = 6;
265
266 fcb->page_data_size = nand_writesize;
267 fcb->total_page_size = nand_writesize + nand_oobsize;
268 fcb->sectors_per_block = nand_erasesize / nand_writesize;
269
270 fcb->num_ecc_blocks_per_page = (nand_writesize / 512) - 1;
271 fcb->ecc_block_0_size = 512;
272 fcb->ecc_block_n_size = 512;
273 fcb->metadata_bytes = 10;
Jörg Krausecef9f022015-08-11 13:44:26 +0200274 fcb->ecc_block_n_ecc_type = mx28_nand_get_ecc_strength(
275 nand_writesize, nand_oobsize) >> 1;
276 fcb->ecc_block_0_ecc_type = mx28_nand_get_ecc_strength(
277 nand_writesize, nand_oobsize) >> 1;
Marek Vasutf29f7e02011-11-08 23:18:18 +0000278 if (fcb->ecc_block_n_ecc_type == 0) {
279 printf("MX28 NAND: Unsupported NAND geometry\n");
280 goto err;
281 }
282
283 fcb->boot_patch = 0;
284 fcb->patch_sectors = 0;
285
286 fcb->badblock_marker_byte = mx28_nand_mark_byte_offset();
287 fcb->badblock_marker_start_bit = mx28_nand_mark_bit_offset();
288 fcb->bb_marker_physical_offset = nand_writesize;
289
290 stride_size_bytes = STRIDE_PAGES * nand_writesize;
291 bcb_size_bytes = stride_size_bytes * STRIDE_COUNT;
292
293 bootstream_size_pages = (size + (nand_writesize - 1)) /
294 nand_writesize;
295
296 fw1_start_page = 2 * bcb_size_bytes / nand_writesize;
297 fw2_start_page = (2 * bcb_size_bytes + MAX_BOOTSTREAM_SIZE) /
298 nand_writesize;
299
300 fcb->firmware1_starting_sector = fw1_start_page;
301 fcb->firmware2_starting_sector = fw2_start_page;
302 fcb->sectors_in_firmware1 = bootstream_size_pages;
303 fcb->sectors_in_firmware2 = bootstream_size_pages;
304
305 fcb->dbbt_search_area_start_address = STRIDE_PAGES * STRIDE_COUNT;
306
307 return fcb;
308
309err:
310 free(fcb);
311 return NULL;
312}
313
314static struct mx28_nand_dbbt *mx28_nand_get_dbbt(void)
315{
316 struct mx28_nand_dbbt *dbbt;
317
318 dbbt = malloc(nand_writesize);
319 if (!dbbt) {
320 printf("MX28 NAND: Unable to allocate DBBT\n");
321 return NULL;
322 }
323
324 memset(dbbt, 0, nand_writesize);
325
326 dbbt->fingerprint = 0x54424244;
327 dbbt->version = 0x1;
328
329 return dbbt;
330}
331
332static inline uint8_t mx28_nand_parity_13_8(const uint8_t b)
333{
334 uint32_t parity = 0, tmp;
335
336 tmp = ((b >> 6) ^ (b >> 5) ^ (b >> 3) ^ (b >> 2)) & 1;
337 parity |= tmp << 0;
338
339 tmp = ((b >> 7) ^ (b >> 5) ^ (b >> 4) ^ (b >> 2) ^ (b >> 1)) & 1;
340 parity |= tmp << 1;
341
342 tmp = ((b >> 7) ^ (b >> 6) ^ (b >> 5) ^ (b >> 1) ^ (b >> 0)) & 1;
343 parity |= tmp << 2;
344
345 tmp = ((b >> 7) ^ (b >> 4) ^ (b >> 3) ^ (b >> 0)) & 1;
346 parity |= tmp << 3;
347
348 tmp = ((b >> 6) ^ (b >> 4) ^ (b >> 3) ^
349 (b >> 2) ^ (b >> 1) ^ (b >> 0)) & 1;
350 parity |= tmp << 4;
351
352 return parity;
353}
354
355static uint8_t *mx28_nand_fcb_block(struct mx28_nand_fcb *fcb)
356{
357 uint8_t *block;
358 uint8_t *ecc;
359 int i;
360
361 block = malloc(nand_writesize + nand_oobsize);
362 if (!block) {
363 printf("MX28 NAND: Unable to allocate FCB block\n");
364 return NULL;
365 }
366
367 memset(block, 0, nand_writesize + nand_oobsize);
368
369 /* Update the FCB checksum */
370 fcb->checksum = mx28_nand_block_csum(((uint8_t *)fcb) + 4, 508);
371
372 /* Figure 12-11. in iMX28RM, rev. 1, says FCB is at offset 12 */
373 memcpy(block + 12, fcb, sizeof(struct mx28_nand_fcb));
374
375 /* ECC is at offset 12 + 512 */
376 ecc = block + 12 + 512;
377
378 /* Compute the ECC parity */
379 for (i = 0; i < sizeof(struct mx28_nand_fcb); i++)
380 ecc[i] = mx28_nand_parity_13_8(block[i + 12]);
381
382 return block;
383}
384
Marek Vasut93d520f2013-08-27 23:32:38 +0200385static int mx28_nand_write_fcb(struct mx28_nand_fcb *fcb, uint8_t *buf)
Marek Vasutf29f7e02011-11-08 23:18:18 +0000386{
387 uint32_t offset;
388 uint8_t *fcbblock;
389 int ret = 0;
390 int i;
391
392 fcbblock = mx28_nand_fcb_block(fcb);
393 if (!fcbblock)
394 return -1;
395
396 for (i = 0; i < STRIDE_PAGES * STRIDE_COUNT; i += STRIDE_PAGES) {
397 offset = i * nand_writesize;
398 memcpy(buf + offset, fcbblock, nand_writesize + nand_oobsize);
Marek Vasut93d520f2013-08-27 23:32:38 +0200399 /* Mark the NAND page is OK. */
400 buf[offset + nand_writesize] = 0xff;
Marek Vasutf29f7e02011-11-08 23:18:18 +0000401 }
402
403 free(fcbblock);
404 return ret;
405}
406
Marek Vasut93d520f2013-08-27 23:32:38 +0200407static int mx28_nand_write_dbbt(struct mx28_nand_dbbt *dbbt, uint8_t *buf)
Marek Vasutf29f7e02011-11-08 23:18:18 +0000408{
409 uint32_t offset;
410 int i = STRIDE_PAGES * STRIDE_COUNT;
411
412 for (; i < 2 * STRIDE_PAGES * STRIDE_COUNT; i += STRIDE_PAGES) {
413 offset = i * nand_writesize;
414 memcpy(buf + offset, dbbt, sizeof(struct mx28_nand_dbbt));
415 }
416
417 return 0;
418}
419
420static int mx28_nand_write_firmware(struct mx28_nand_fcb *fcb, int infd,
Marek Vasut93d520f2013-08-27 23:32:38 +0200421 uint8_t *buf)
Marek Vasutf29f7e02011-11-08 23:18:18 +0000422{
423 int ret;
424 off_t size;
425 uint32_t offset1, offset2;
426
427 size = lseek(infd, 0, SEEK_END);
428 lseek(infd, 0, SEEK_SET);
429
430 offset1 = fcb->firmware1_starting_sector * nand_writesize;
431 offset2 = fcb->firmware2_starting_sector * nand_writesize;
432
433 ret = read(infd, buf + offset1, size);
434 if (ret != size)
435 return -1;
436
437 memcpy(buf + offset2, buf + offset1, size);
438
439 return 0;
440}
441
Marek Vasut62d40d12013-08-27 23:32:37 +0200442static void usage(void)
Marek Vasutf29f7e02011-11-08 23:18:18 +0000443{
444 printf(
Otavio Salvador993d30d2012-03-17 09:16:50 +0000445 "Usage: mxsboot [ops] <type> <infile> <outfile>\n"
Marek Vasutf29f7e02011-11-08 23:18:18 +0000446 "Augment BootStream file with a proper header for i.MX28 boot\n"
447 "\n"
448 " <type> type of image:\n"
449 " \"nand\" for NAND image\n"
450 " \"sd\" for SD image\n"
451 " <infile> input file, the u-boot.sb bootstream\n"
452 " <outfile> output file, the bootable image\n"
453 "\n");
454 printf(
455 "For NAND boot, these options are accepted:\n"
456 " -w <size> NAND page size\n"
457 " -o <size> NAND OOB size\n"
458 " -e <size> NAND erase size\n"
459 "\n"
460 "For SD boot, these options are accepted:\n"
461 " -p <sector> Sector where the SGTL partition starts\n"
462 );
463}
464
465static int mx28_create_nand_image(int infd, int outfd)
466{
467 struct mx28_nand_fcb *fcb;
468 struct mx28_nand_dbbt *dbbt;
469 int ret = -1;
Marek Vasut93d520f2013-08-27 23:32:38 +0200470 uint8_t *buf;
Marek Vasutf29f7e02011-11-08 23:18:18 +0000471 int size;
472 ssize_t wr_size;
473
474 size = nand_writesize * 512 + 2 * MAX_BOOTSTREAM_SIZE;
475
476 buf = malloc(size);
477 if (!buf) {
478 printf("Can not allocate output buffer of %d bytes\n", size);
479 goto err0;
480 }
481
482 memset(buf, 0, size);
483
484 fcb = mx28_nand_get_fcb(MAX_BOOTSTREAM_SIZE);
485 if (!fcb) {
486 printf("Unable to compile FCB\n");
487 goto err1;
488 }
489
490 dbbt = mx28_nand_get_dbbt();
491 if (!dbbt) {
492 printf("Unable to compile DBBT\n");
493 goto err2;
494 }
495
496 ret = mx28_nand_write_fcb(fcb, buf);
497 if (ret) {
498 printf("Unable to write FCB to buffer\n");
499 goto err3;
500 }
501
502 ret = mx28_nand_write_dbbt(dbbt, buf);
503 if (ret) {
504 printf("Unable to write DBBT to buffer\n");
505 goto err3;
506 }
507
508 ret = mx28_nand_write_firmware(fcb, infd, buf);
509 if (ret) {
510 printf("Unable to write firmware to buffer\n");
511 goto err3;
512 }
513
514 wr_size = write(outfd, buf, size);
515 if (wr_size != size) {
516 ret = -1;
517 goto err3;
518 }
519
520 ret = 0;
521
522err3:
523 free(dbbt);
524err2:
525 free(fcb);
526err1:
527 free(buf);
528err0:
529 return ret;
530}
531
532static int mx28_create_sd_image(int infd, int outfd)
533{
534 int ret = -1;
535 uint32_t *buf;
536 int size;
537 off_t fsize;
538 ssize_t wr_size;
539 struct mx28_sd_config_block *cb;
540
541 fsize = lseek(infd, 0, SEEK_END);
542 lseek(infd, 0, SEEK_SET);
Otavio Salvador8de16792013-04-24 11:23:27 +0000543 size = fsize + 4 * 512;
Marek Vasutf29f7e02011-11-08 23:18:18 +0000544
545 buf = malloc(size);
546 if (!buf) {
547 printf("Can not allocate output buffer of %d bytes\n", size);
548 goto err0;
549 }
550
Otavio Salvador8de16792013-04-24 11:23:27 +0000551 ret = read(infd, (uint8_t *)buf + 4 * 512, fsize);
Marek Vasutf29f7e02011-11-08 23:18:18 +0000552 if (ret != fsize) {
553 ret = -1;
554 goto err1;
555 }
556
557 cb = (struct mx28_sd_config_block *)buf;
558
Bin Meng276d3eb2016-01-24 19:38:32 -0800559 cb->signature = cpu_to_le32(0x00112233);
560 cb->primary_boot_tag = cpu_to_le32(0x1);
561 cb->secondary_boot_tag = cpu_to_le32(0x1);
562 cb->num_copies = cpu_to_le32(1);
563 cb->drv_info[0].chip_num = cpu_to_le32(0x0);
564 cb->drv_info[0].drive_type = cpu_to_le32(0x0);
565 cb->drv_info[0].tag = cpu_to_le32(0x1);
566 cb->drv_info[0].first_sector_number = cpu_to_le32(sd_sector + 4);
567 cb->drv_info[0].sector_count = cpu_to_le32((size - 4) / 512);
Marek Vasutf29f7e02011-11-08 23:18:18 +0000568
569 wr_size = write(outfd, buf, size);
570 if (wr_size != size) {
571 ret = -1;
572 goto err1;
573 }
574
575 ret = 0;
576
577err1:
578 free(buf);
579err0:
580 return ret;
581}
582
Marek Vasut62d40d12013-08-27 23:32:37 +0200583static int parse_ops(int argc, char **argv)
Marek Vasutf29f7e02011-11-08 23:18:18 +0000584{
585 int i;
586 int tmp;
587 char *end;
588 enum param {
589 PARAM_WRITE,
590 PARAM_OOB,
591 PARAM_ERASE,
592 PARAM_PART,
593 PARAM_SD,
594 PARAM_NAND
595 };
596 int type;
597
Marek Vasute364daf2011-12-22 09:55:08 +0000598 if (argc < 4)
599 return -1;
600
Marek Vasutf29f7e02011-11-08 23:18:18 +0000601 for (i = 1; i < argc; i++) {
602 if (!strncmp(argv[i], "-w", 2))
603 type = PARAM_WRITE;
604 else if (!strncmp(argv[i], "-o", 2))
605 type = PARAM_OOB;
606 else if (!strncmp(argv[i], "-e", 2))
607 type = PARAM_ERASE;
608 else if (!strncmp(argv[i], "-p", 2))
609 type = PARAM_PART;
610 else /* SD/MMC */
611 break;
612
613 tmp = strtol(argv[++i], &end, 10);
614 if (tmp % 2)
615 return -1;
616 if (tmp <= 0)
617 return -1;
618
619 if (type == PARAM_WRITE)
620 nand_writesize = tmp;
621 if (type == PARAM_OOB)
622 nand_oobsize = tmp;
623 if (type == PARAM_ERASE)
624 nand_erasesize = tmp;
625 if (type == PARAM_PART)
626 sd_sector = tmp;
627 }
628
629 if (strcmp(argv[i], "sd") && strcmp(argv[i], "nand"))
630 return -1;
631
632 if (i + 3 != argc)
633 return -1;
634
635 return i;
636}
637
638int main(int argc, char **argv)
639{
640 int infd, outfd;
641 int ret = 0;
642 int offset;
643
644 offset = parse_ops(argc, argv);
645 if (offset < 0) {
646 usage();
647 ret = 1;
648 goto err1;
649 }
650
651 infd = open(argv[offset + 1], O_RDONLY);
652 if (infd < 0) {
653 printf("Input BootStream file can not be opened\n");
654 ret = 2;
655 goto err1;
656 }
657
658 outfd = open(argv[offset + 2], O_CREAT | O_TRUNC | O_WRONLY,
659 S_IRUSR | S_IWUSR);
660 if (outfd < 0) {
661 printf("Output file can not be created\n");
662 ret = 3;
663 goto err2;
664 }
665
666 if (!strcmp(argv[offset], "sd"))
667 ret = mx28_create_sd_image(infd, outfd);
668 else if (!strcmp(argv[offset], "nand"))
669 ret = mx28_create_nand_image(infd, outfd);
670
671 close(outfd);
672err2:
673 close(infd);
674err1:
675 return ret;
676}