]> git.ipfire.org Git - people/ms/u-boot.git/blob - tools/imximage.c
projects / people / ms / u-boot.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Remove CONFIG_SYS_BOOTCOUNT_SINGLEWORD
[people/ms/u-boot.git] / tools / imximage.c
1 /*
2 * (C) Copyright 2009
3 * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
4 *
5 * (C) Copyright 2008
6 * Marvell Semiconductor <www.marvell.com>
7 * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
8 *
9 * SPDX-License-Identifier: GPL-2.0+
10 */
11
12 #include "imagetool.h"
13 #include <image.h>
14 #include "imximage.h"
15
16 #define UNDEFINED 0xFFFFFFFF
17
18 /*
19 * Supported commands for configuration file
20 */
21 static table_entry_t imximage_cmds[] = {
22 {CMD_BOOT_FROM, "BOOT_FROM", "boot command", },
23 {CMD_BOOT_OFFSET, "BOOT_OFFSET", "Boot offset", },
24 {CMD_WRITE_DATA, "DATA", "Reg Write Data", },
25 {CMD_WRITE_CLR_BIT, "CLR_BIT", "Reg clear bit", },
26 {CMD_WRITE_SET_BIT, "SET_BIT", "Reg set bit", },
27 {CMD_CHECK_BITS_SET, "CHECK_BITS_SET", "Reg Check bits set", },
28 {CMD_CHECK_BITS_CLR, "CHECK_BITS_CLR", "Reg Check bits clr", },
29 {CMD_CSF, "CSF", "Command Sequence File", },
30 {CMD_IMAGE_VERSION, "IMAGE_VERSION", "image version", },
31 {CMD_PLUGIN, "PLUGIN", "file plugin_addr", },
32 {-1, "", "", },
33 };
34
35 /*
36 * Supported Boot options for configuration file
37 * this is needed to set the correct flash offset
38 */
39 static table_entry_t imximage_boot_offset[] = {
40 {FLASH_OFFSET_ONENAND, "onenand", "OneNAND Flash",},
41 {FLASH_OFFSET_NAND, "nand", "NAND Flash", },
42 {FLASH_OFFSET_NOR, "nor", "NOR Flash", },
43 {FLASH_OFFSET_SATA, "sata", "SATA Disk", },
44 {FLASH_OFFSET_SD, "sd", "SD Card", },
45 {FLASH_OFFSET_SPI, "spi", "SPI Flash", },
46 {FLASH_OFFSET_QSPI, "qspi", "QSPI NOR Flash",},
47 {-1, "", "Invalid", },
48 };
49
50 /*
51 * Supported Boot options for configuration file
52 * this is needed to determine the initial load size
53 */
54 static table_entry_t imximage_boot_loadsize[] = {
55 {FLASH_LOADSIZE_ONENAND, "onenand", "OneNAND Flash",},
56 {FLASH_LOADSIZE_NAND, "nand", "NAND Flash", },
57 {FLASH_LOADSIZE_NOR, "nor", "NOR Flash", },
58 {FLASH_LOADSIZE_SATA, "sata", "SATA Disk", },
59 {FLASH_LOADSIZE_SD, "sd", "SD Card", },
60 {FLASH_LOADSIZE_SPI, "spi", "SPI Flash", },
61 {FLASH_LOADSIZE_QSPI, "qspi", "QSPI NOR Flash",},
62 {-1, "", "Invalid", },
63 };
64
65 /*
66 * IMXIMAGE version definition for i.MX chips
67 */
68 static table_entry_t imximage_versions[] = {
69 {IMXIMAGE_V1, "", " (i.MX25/35/51 compatible)", },
70 {IMXIMAGE_V2, "", " (i.MX53/6/7 compatible)", },
71 {-1, "", " (Invalid)", },
72 };
73
74 static struct imx_header imximage_header;
75 static uint32_t imximage_version;
76 /*
77 * Image Vector Table Offset
78 * Initialized to a wrong not 4-bytes aligned address to
79 * check if it is was set by the cfg file.
80 */
81 static uint32_t imximage_ivt_offset = UNDEFINED;
82 static uint32_t imximage_csf_size = UNDEFINED;
83 /* Initial Load Region Size */
84 static uint32_t imximage_init_loadsize;
85 static uint32_t imximage_iram_free_start;
86 static uint32_t imximage_plugin_size;
87 static uint32_t plugin_image;
88
89 static set_dcd_val_t set_dcd_val;
90 static set_dcd_param_t set_dcd_param;
91 static set_dcd_rst_t set_dcd_rst;
92 static set_imx_hdr_t set_imx_hdr;
93 static uint32_t max_dcd_entries;
94 static uint32_t *header_size_ptr;
95 static uint32_t *csf_ptr;
96
97 static uint32_t get_cfg_value(char *token, char *name, int linenr)
98 {
99 char *endptr;
100 uint32_t value;
101
102 errno = 0;
103 value = strtoul(token, &endptr, 16);
104 if (errno || (token == endptr)) {
105 fprintf(stderr, "Error: %s[%d] - Invalid hex data(%s)\n",
106 name, linenr, token);
107 exit(EXIT_FAILURE);
108 }
109 return value;
110 }
111
112 static uint32_t detect_imximage_version(struct imx_header *imx_hdr)
113 {
114 imx_header_v1_t *hdr_v1 = &imx_hdr->header.hdr_v1;
115 imx_header_v2_t *hdr_v2 = &imx_hdr->header.hdr_v2;
116 flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr;
117 flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr;
118
119 /* Try to detect V1 */
120 if ((fhdr_v1->app_code_barker == APP_CODE_BARKER) &&
121 (hdr_v1->dcd_table.preamble.barker == DCD_BARKER))
122 return IMXIMAGE_V1;
123
124 /* Try to detect V2 */
125 if ((fhdr_v2->header.tag == IVT_HEADER_TAG) &&
126 (hdr_v2->data.dcd_table.header.tag == DCD_HEADER_TAG))
127 return IMXIMAGE_V2;
128
129 if ((fhdr_v2->header.tag == IVT_HEADER_TAG) &&
130 hdr_v2->boot_data.plugin)
131 return IMXIMAGE_V2;
132
133 return IMXIMAGE_VER_INVALID;
134 }
135
136 static void err_imximage_version(int version)
137 {
138 fprintf(stderr,
139 "Error: Unsupported imximage version:%d\n", version);
140
141 exit(EXIT_FAILURE);
142 }
143
144 static void set_dcd_val_v1(struct imx_header *imxhdr, char *name, int lineno,
145 int fld, uint32_t value, uint32_t off)
146 {
147 dcd_v1_t *dcd_v1 = &imxhdr->header.hdr_v1.dcd_table;
148
149 switch (fld) {
150 case CFG_REG_SIZE:
151 /* Byte, halfword, word */
152 if ((value != 1) && (value != 2) && (value != 4)) {
153 fprintf(stderr, "Error: %s[%d] - "
154 "Invalid register size " "(%d)\n",
155 name, lineno, value);
156 exit(EXIT_FAILURE);
157 }
158 dcd_v1->addr_data[off].type = value;
159 break;
160 case CFG_REG_ADDRESS:
161 dcd_v1->addr_data[off].addr = value;
162 break;
163 case CFG_REG_VALUE:
164 dcd_v1->addr_data[off].value = value;
165 break;
166 default:
167 break;
168
169 }
170 }
171
172 static struct dcd_v2_cmd *gd_last_cmd;
173
174 static void set_dcd_param_v2(struct imx_header *imxhdr, uint32_t dcd_len,
175 int32_t cmd)
176 {
177 dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.data.dcd_table;
178 struct dcd_v2_cmd *d = gd_last_cmd;
179 struct dcd_v2_cmd *d2;
180 int len;
181
182 if (!d)
183 d = &dcd_v2->dcd_cmd;
184 d2 = d;
185 len = be16_to_cpu(d->write_dcd_command.length);
186 if (len > 4)
187 d2 = (struct dcd_v2_cmd *)(((char *)d) + len);
188
189 switch (cmd) {
190 case CMD_WRITE_DATA:
191 if ((d->write_dcd_command.tag == DCD_WRITE_DATA_COMMAND_TAG) &&
192 (d->write_dcd_command.param == DCD_WRITE_DATA_PARAM))
193 break;
194 d = d2;
195 d->write_dcd_command.tag = DCD_WRITE_DATA_COMMAND_TAG;
196 d->write_dcd_command.length = cpu_to_be16(4);
197 d->write_dcd_command.param = DCD_WRITE_DATA_PARAM;
198 break;
199 case CMD_WRITE_CLR_BIT:
200 if ((d->write_dcd_command.tag == DCD_WRITE_DATA_COMMAND_TAG) &&
201 (d->write_dcd_command.param == DCD_WRITE_CLR_BIT_PARAM))
202 break;
203 d = d2;
204 d->write_dcd_command.tag = DCD_WRITE_DATA_COMMAND_TAG;
205 d->write_dcd_command.length = cpu_to_be16(4);
206 d->write_dcd_command.param = DCD_WRITE_CLR_BIT_PARAM;
207 break;
208 case CMD_WRITE_SET_BIT:
209 if ((d->write_dcd_command.tag == DCD_WRITE_DATA_COMMAND_TAG) &&
210 (d->write_dcd_command.param == DCD_WRITE_SET_BIT_PARAM))
211 break;
212 d = d2;
213 d->write_dcd_command.tag = DCD_WRITE_DATA_COMMAND_TAG;
214 d->write_dcd_command.length = cpu_to_be16(4);
215 d->write_dcd_command.param = DCD_WRITE_SET_BIT_PARAM;
216 break;
217 /*
218 * Check data command only supports one entry,
219 */
220 case CMD_CHECK_BITS_SET:
221 d = d2;
222 d->write_dcd_command.tag = DCD_CHECK_DATA_COMMAND_TAG;
223 d->write_dcd_command.length = cpu_to_be16(4);
224 d->write_dcd_command.param = DCD_CHECK_BITS_SET_PARAM;
225 break;
226 case CMD_CHECK_BITS_CLR:
227 d = d2;
228 d->write_dcd_command.tag = DCD_CHECK_DATA_COMMAND_TAG;
229 d->write_dcd_command.length = cpu_to_be16(4);
230 d->write_dcd_command.param = DCD_CHECK_BITS_CLR_PARAM;
231 break;
232 default:
233 break;
234 }
235 gd_last_cmd = d;
236 }
237
238 static void set_dcd_val_v2(struct imx_header *imxhdr, char *name, int lineno,
239 int fld, uint32_t value, uint32_t off)
240 {
241 struct dcd_v2_cmd *d = gd_last_cmd;
242 int len;
243
244 len = be16_to_cpu(d->write_dcd_command.length);
245 off = (len - 4) >> 3;
246
247 switch (fld) {
248 case CFG_REG_ADDRESS:
249 d->addr_data[off].addr = cpu_to_be32(value);
250 break;
251 case CFG_REG_VALUE:
252 d->addr_data[off].value = cpu_to_be32(value);
253 off++;
254 d->write_dcd_command.length = cpu_to_be16((off << 3) + 4);
255 break;
256 default:
257 break;
258
259 }
260 }
261
262 /*
263 * Complete setting up the rest field of DCD of V1
264 * such as barker code and DCD data length.
265 */
266 static void set_dcd_rst_v1(struct imx_header *imxhdr, uint32_t dcd_len,
267 char *name, int lineno)
268 {
269 dcd_v1_t *dcd_v1 = &imxhdr->header.hdr_v1.dcd_table;
270
271 dcd_v1->preamble.barker = DCD_BARKER;
272 dcd_v1->preamble.length = dcd_len * sizeof(dcd_type_addr_data_t);
273 }
274
275 /*
276 * Complete setting up the reset field of DCD of V2
277 * such as DCD tag, version, length, etc.
278 */
279 static void set_dcd_rst_v2(struct imx_header *imxhdr, uint32_t dcd_len,
280 char *name, int lineno)
281 {
282 if (!imxhdr->header.hdr_v2.boot_data.plugin) {
283 dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.data.dcd_table;
284 struct dcd_v2_cmd *d = gd_last_cmd;
285 int len;
286
287 if (!d)
288 d = &dcd_v2->dcd_cmd;
289 len = be16_to_cpu(d->write_dcd_command.length);
290 if (len > 4)
291 d = (struct dcd_v2_cmd *)(((char *)d) + len);
292
293 len = (char *)d - (char *)&dcd_v2->header;
294 dcd_v2->header.tag = DCD_HEADER_TAG;
295 dcd_v2->header.length = cpu_to_be16(len);
296 dcd_v2->header.version = DCD_VERSION;
297 }
298 }
299
300 static void set_imx_hdr_v1(struct imx_header *imxhdr, uint32_t dcd_len,
301 uint32_t entry_point, uint32_t flash_offset)
302 {
303 imx_header_v1_t *hdr_v1 = &imxhdr->header.hdr_v1;
304 flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr;
305 dcd_v1_t *dcd_v1 = &hdr_v1->dcd_table;
306 uint32_t hdr_base;
307 uint32_t header_length = (((char *)&dcd_v1->addr_data[dcd_len].addr)
308 - ((char *)imxhdr));
309
310 /* Set magic number */
311 fhdr_v1->app_code_barker = APP_CODE_BARKER;
312
313 hdr_base = entry_point - imximage_init_loadsize + flash_offset;
314 fhdr_v1->app_dest_ptr = hdr_base - flash_offset;
315 fhdr_v1->app_code_jump_vector = entry_point;
316
317 fhdr_v1->dcd_ptr_ptr = hdr_base + offsetof(flash_header_v1_t, dcd_ptr);
318 fhdr_v1->dcd_ptr = hdr_base + offsetof(imx_header_v1_t, dcd_table);
319
320 /* Security feature are not supported */
321 fhdr_v1->app_code_csf = 0;
322 fhdr_v1->super_root_key = 0;
323 header_size_ptr = (uint32_t *)(((char *)imxhdr) + header_length - 4);
324 }
325
326 static void set_imx_hdr_v2(struct imx_header *imxhdr, uint32_t dcd_len,
327 uint32_t entry_point, uint32_t flash_offset)
328 {
329 imx_header_v2_t *hdr_v2 = &imxhdr->header.hdr_v2;
330 flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr;
331 uint32_t hdr_base;
332
333 /* Set magic number */
334 fhdr_v2->header.tag = IVT_HEADER_TAG; /* 0xD1 */
335 fhdr_v2->header.length = cpu_to_be16(sizeof(flash_header_v2_t));
336 fhdr_v2->header.version = IVT_VERSION; /* 0x40 */
337
338 if (!hdr_v2->boot_data.plugin) {
339 fhdr_v2->entry = entry_point;
340 fhdr_v2->reserved1 = 0;
341 fhdr_v2->reserved1 = 0;
342 hdr_base = entry_point - imximage_init_loadsize +
343 flash_offset;
344 fhdr_v2->self = hdr_base;
345 if (dcd_len > 0)
346 fhdr_v2->dcd_ptr = hdr_base +
347 offsetof(imx_header_v2_t, data);
348 else
349 fhdr_v2->dcd_ptr = 0;
350 fhdr_v2->boot_data_ptr = hdr_base
351 + offsetof(imx_header_v2_t, boot_data);
352 hdr_v2->boot_data.start = entry_point - imximage_init_loadsize;
353
354 fhdr_v2->csf = 0;
355
356 header_size_ptr = &hdr_v2->boot_data.size;
357 csf_ptr = &fhdr_v2->csf;
358 } else {
359 imx_header_v2_t *next_hdr_v2;
360 flash_header_v2_t *next_fhdr_v2;
361
362 if (imximage_csf_size != 0) {
363 fprintf(stderr, "Error: Header v2: SECURE_BOOT is only supported in DCD mode!");
364 exit(EXIT_FAILURE);
365 }
366
367 fhdr_v2->entry = imximage_iram_free_start +
368 flash_offset + sizeof(flash_header_v2_t) +
369 sizeof(boot_data_t);
370
371 fhdr_v2->reserved1 = 0;
372 fhdr_v2->reserved2 = 0;
373 fhdr_v2->self = imximage_iram_free_start + flash_offset;
374
375 fhdr_v2->dcd_ptr = 0;
376
377 fhdr_v2->boot_data_ptr = fhdr_v2->self +
378 offsetof(imx_header_v2_t, boot_data);
379
380 hdr_v2->boot_data.start = imximage_iram_free_start;
381 /*
382 * The actural size of plugin image is "imximage_plugin_size +
383 * sizeof(flash_header_v2_t) + sizeof(boot_data_t)", plus the
384 * flash_offset space.The ROM code only need to copy this size
385 * to run the plugin code. However, later when copy the whole
386 * U-Boot image to DDR, the ROM code use memcpy to copy the
387 * first part of the image, and use the storage read function
388 * to get the remaining part. This requires the dividing point
389 * must be multiple of storage sector size. Here we set the
390 * first section to be MAX_PLUGIN_CODE_SIZE(64KB) for this
391 * purpose.
392 */
393 hdr_v2->boot_data.size = MAX_PLUGIN_CODE_SIZE;
394
395 /* Security feature are not supported */
396 fhdr_v2->csf = 0;
397
398 next_hdr_v2 = (imx_header_v2_t *)((char *)hdr_v2 +
399 imximage_plugin_size);
400
401 next_fhdr_v2 = &next_hdr_v2->fhdr;
402
403 next_fhdr_v2->header.tag = IVT_HEADER_TAG; /* 0xD1 */
404 next_fhdr_v2->header.length =
405 cpu_to_be16(sizeof(flash_header_v2_t));
406 next_fhdr_v2->header.version = IVT_VERSION; /* 0x40 */
407
408 next_fhdr_v2->entry = entry_point;
409 hdr_base = entry_point - sizeof(struct imx_header);
410 next_fhdr_v2->reserved1 = 0;
411 next_fhdr_v2->reserved2 = 0;
412 next_fhdr_v2->self = hdr_base + imximage_plugin_size;
413
414 next_fhdr_v2->dcd_ptr = 0;
415 next_fhdr_v2->boot_data_ptr = next_fhdr_v2->self +
416 offsetof(imx_header_v2_t, boot_data);
417
418 next_hdr_v2->boot_data.start = hdr_base - flash_offset;
419
420 header_size_ptr = &next_hdr_v2->boot_data.size;
421
422 next_hdr_v2->boot_data.plugin = 0;
423
424 next_fhdr_v2->csf = 0;
425 }
426 }
427
428 static void set_hdr_func(void)
429 {
430 switch (imximage_version) {
431 case IMXIMAGE_V1:
432 set_dcd_val = set_dcd_val_v1;
433 set_dcd_param = NULL;
434 set_dcd_rst = set_dcd_rst_v1;
435 set_imx_hdr = set_imx_hdr_v1;
436 max_dcd_entries = MAX_HW_CFG_SIZE_V1;
437 break;
438 case IMXIMAGE_V2:
439 gd_last_cmd = NULL;
440 set_dcd_val = set_dcd_val_v2;
441 set_dcd_param = set_dcd_param_v2;
442 set_dcd_rst = set_dcd_rst_v2;
443 set_imx_hdr = set_imx_hdr_v2;
444 max_dcd_entries = MAX_HW_CFG_SIZE_V2;
445 break;
446 default:
447 err_imximage_version(imximage_version);
448 break;
449 }
450 }
451
452 static void print_hdr_v1(struct imx_header *imx_hdr)
453 {
454 imx_header_v1_t *hdr_v1 = &imx_hdr->header.hdr_v1;
455 flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr;
456 dcd_v1_t *dcd_v1 = &hdr_v1->dcd_table;
457 uint32_t size, length, ver;
458
459 size = dcd_v1->preamble.length;
460 if (size > (MAX_HW_CFG_SIZE_V1 * sizeof(dcd_type_addr_data_t))) {
461 fprintf(stderr,
462 "Error: Image corrupt DCD size %d exceed maximum %d\n",
463 (uint32_t)(size / sizeof(dcd_type_addr_data_t)),
464 MAX_HW_CFG_SIZE_V1);
465 exit(EXIT_FAILURE);
466 }
467
468 length = dcd_v1->preamble.length / sizeof(dcd_type_addr_data_t);
469 ver = detect_imximage_version(imx_hdr);
470
471 printf("Image Type: Freescale IMX Boot Image\n");
472 printf("Image Ver: %x", ver);
473 printf("%s\n", get_table_entry_name(imximage_versions, NULL, ver));
474 printf("Data Size: ");
475 genimg_print_size(dcd_v1->addr_data[length].type);
476 printf("Load Address: %08x\n", (uint32_t)fhdr_v1->app_dest_ptr);
477 printf("Entry Point: %08x\n", (uint32_t)fhdr_v1->app_code_jump_vector);
478 }
479
480 static void print_hdr_v2(struct imx_header *imx_hdr)
481 {
482 imx_header_v2_t *hdr_v2 = &imx_hdr->header.hdr_v2;
483 flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr;
484 dcd_v2_t *dcd_v2 = &hdr_v2->data.dcd_table;
485 uint32_t size, version, plugin;
486
487 plugin = hdr_v2->boot_data.plugin;
488 if (!plugin) {
489 size = be16_to_cpu(dcd_v2->header.length);
490 if (size > (MAX_HW_CFG_SIZE_V2 * sizeof(dcd_addr_data_t))) {
491 fprintf(stderr,
492 "Error: Image corrupt DCD size %d exceed maximum %d\n",
493 (uint32_t)(size / sizeof(dcd_addr_data_t)),
494 MAX_HW_CFG_SIZE_V2);
495 exit(EXIT_FAILURE);
496 }
497 }
498
499 version = detect_imximage_version(imx_hdr);
500
501 printf("Image Type: Freescale IMX Boot Image\n");
502 printf("Image Ver: %x", version);
503 printf("%s\n", get_table_entry_name(imximage_versions, NULL, version));
504 printf("Mode: %s\n", plugin ? "PLUGIN" : "DCD");
505 if (!plugin) {
506 printf("Data Size: ");
507 genimg_print_size(hdr_v2->boot_data.size);
508 printf("Load Address: %08x\n", (uint32_t)fhdr_v2->boot_data_ptr);
509 printf("Entry Point: %08x\n", (uint32_t)fhdr_v2->entry);
510 if (fhdr_v2->csf && (imximage_ivt_offset != UNDEFINED) &&
511 (imximage_csf_size != UNDEFINED)) {
512 uint16_t dcdlen;
513 int offs;
514
515 dcdlen = hdr_v2->data.dcd_table.header.length;
516 offs = (char *)&hdr_v2->data.dcd_table
517 - (char *)hdr_v2;
518
519 printf("HAB Blocks: %08x %08x %08x\n",
520 (uint32_t)fhdr_v2->self, 0,
521 hdr_v2->boot_data.size - imximage_ivt_offset -
522 imximage_csf_size);
523 printf("DCD Blocks: 00910000 %08x %08x\n",
524 offs, be16_to_cpu(dcdlen));
525 }
526 } else {
527 imx_header_v2_t *next_hdr_v2;
528 flash_header_v2_t *next_fhdr_v2;
529
530 /*First Header*/
531 printf("Plugin Data Size: ");
532 genimg_print_size(hdr_v2->boot_data.size);
533 printf("Plugin Code Size: ");
534 genimg_print_size(imximage_plugin_size);
535 printf("Plugin Load Address: %08x\n", hdr_v2->boot_data.start);
536 printf("Plugin Entry Point: %08x\n", (uint32_t)fhdr_v2->entry);
537
538 /*Second Header*/
539 next_hdr_v2 = (imx_header_v2_t *)((char *)hdr_v2 +
540 imximage_plugin_size);
541 next_fhdr_v2 = &next_hdr_v2->fhdr;
542 printf("U-Boot Data Size: ");
543 genimg_print_size(next_hdr_v2->boot_data.size);
544 printf("U-Boot Load Address: %08x\n",
545 next_hdr_v2->boot_data.start);
546 printf("U-Boot Entry Point: %08x\n",
547 (uint32_t)next_fhdr_v2->entry);
548 }
549 }
550
551 static void copy_plugin_code(struct imx_header *imxhdr, char *plugin_file)
552 {
553 int ifd;
554 struct stat sbuf;
555 char *plugin_buf = imxhdr->header.hdr_v2.data.plugin_code;
556 char *ptr;
557
558 ifd = open(plugin_file, O_RDONLY|O_BINARY);
559 if (ifd < 0) {
560 fprintf(stderr, "Can't open %s: %s\n",
561 plugin_file,
562 strerror(errno));
563 exit(EXIT_FAILURE);
564 }
565
566 if (fstat(ifd, &sbuf) < 0) {
567 fprintf(stderr, "Can't stat %s: %s\n",
568 plugin_file,
569 strerror(errno));
570 exit(EXIT_FAILURE);
571 }
572
573 ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, ifd, 0);
574 if (ptr == MAP_FAILED) {
575 fprintf(stderr, "Can't read %s: %s\n",
576 plugin_file,
577 strerror(errno));
578 exit(EXIT_FAILURE);
579 }
580
581 if (sbuf.st_size > MAX_PLUGIN_CODE_SIZE) {
582 printf("plugin binary size too large\n");
583 exit(EXIT_FAILURE);
584 }
585
586 memcpy(plugin_buf, ptr, sbuf.st_size);
587 imximage_plugin_size = sbuf.st_size;
588
589 (void) munmap((void *)ptr, sbuf.st_size);
590 (void) close(ifd);
591
592 imxhdr->header.hdr_v2.boot_data.plugin = 1;
593 }
594
595 static void parse_cfg_cmd(struct imx_header *imxhdr, int32_t cmd, char *token,
596 char *name, int lineno, int fld, int dcd_len)
597 {
598 int value;
599 static int cmd_ver_first = ~0;
600
601 switch (cmd) {
602 case CMD_IMAGE_VERSION:
603 imximage_version = get_cfg_value(token, name, lineno);
604 if (cmd_ver_first == 0) {
605 fprintf(stderr, "Error: %s[%d] - IMAGE_VERSION "
606 "command need be the first before other "
607 "valid command in the file\n", name, lineno);
608 exit(EXIT_FAILURE);
609 }
610 cmd_ver_first = 1;
611 set_hdr_func();
612 break;
613 case CMD_BOOT_FROM:
614 imximage_ivt_offset = get_table_entry_id(imximage_boot_offset,
615 "imximage boot option", token);
616 if (imximage_ivt_offset == -1) {
617 fprintf(stderr, "Error: %s[%d] -Invalid boot device"
618 "(%s)\n", name, lineno, token);
619 exit(EXIT_FAILURE);
620 }
621
622 imximage_init_loadsize =
623 get_table_entry_id(imximage_boot_loadsize,
624 "imximage boot option", token);
625
626 if (imximage_init_loadsize == -1) {
627 fprintf(stderr,
628 "Error: %s[%d] -Invalid boot device(%s)\n",
629 name, lineno, token);
630 exit(EXIT_FAILURE);
631 }
632
633 /*
634 * The SOC loads from the storage starting at address 0
635 * then ensures that the load size contains the offset
636 */
637 if (imximage_init_loadsize < imximage_ivt_offset)
638 imximage_init_loadsize = imximage_ivt_offset;
639 if (unlikely(cmd_ver_first != 1))
640 cmd_ver_first = 0;
641 break;
642 case CMD_BOOT_OFFSET:
643 imximage_ivt_offset = get_cfg_value(token, name, lineno);
644 if (unlikely(cmd_ver_first != 1))
645 cmd_ver_first = 0;
646 break;
647 case CMD_WRITE_DATA:
648 case CMD_WRITE_CLR_BIT:
649 case CMD_WRITE_SET_BIT:
650 case CMD_CHECK_BITS_SET:
651 case CMD_CHECK_BITS_CLR:
652 value = get_cfg_value(token, name, lineno);
653 if (set_dcd_param)
654 (*set_dcd_param)(imxhdr, dcd_len, cmd);
655 (*set_dcd_val)(imxhdr, name, lineno, fld, value, dcd_len);
656 if (unlikely(cmd_ver_first != 1))
657 cmd_ver_first = 0;
658 break;
659 case CMD_CSF:
660 if (imximage_version != 2) {
661 fprintf(stderr,
662 "Error: %s[%d] - CSF only supported for VERSION 2(%s)\n",
663 name, lineno, token);
664 exit(EXIT_FAILURE);
665 }
666 imximage_csf_size = get_cfg_value(token, name, lineno);
667 if (unlikely(cmd_ver_first != 1))
668 cmd_ver_first = 0;
669 break;
670 case CMD_PLUGIN:
671 plugin_image = 1;
672 copy_plugin_code(imxhdr, token);
673 break;
674 }
675 }
676
677 static void parse_cfg_fld(struct imx_header *imxhdr, int32_t *cmd,
678 char *token, char *name, int lineno, int fld, int *dcd_len)
679 {
680 int value;
681
682 switch (fld) {
683 case CFG_COMMAND:
684 *cmd = get_table_entry_id(imximage_cmds,
685 "imximage commands", token);
686 if (*cmd < 0) {
687 fprintf(stderr, "Error: %s[%d] - Invalid command"
688 "(%s)\n", name, lineno, token);
689 exit(EXIT_FAILURE);
690 }
691 break;
692 case CFG_REG_SIZE:
693 parse_cfg_cmd(imxhdr, *cmd, token, name, lineno, fld, *dcd_len);
694 break;
695 case CFG_REG_ADDRESS:
696 case CFG_REG_VALUE:
697 switch(*cmd) {
698 case CMD_WRITE_DATA:
699 case CMD_WRITE_CLR_BIT:
700 case CMD_WRITE_SET_BIT:
701 case CMD_CHECK_BITS_SET:
702 case CMD_CHECK_BITS_CLR:
703
704 value = get_cfg_value(token, name, lineno);
705 if (set_dcd_param)
706 (*set_dcd_param)(imxhdr, *dcd_len, *cmd);
707 (*set_dcd_val)(imxhdr, name, lineno, fld, value,
708 *dcd_len);
709
710 if (fld == CFG_REG_VALUE) {
711 (*dcd_len)++;
712 if (*dcd_len > max_dcd_entries) {
713 fprintf(stderr, "Error: %s[%d] -"
714 "DCD table exceeds maximum size(%d)\n",
715 name, lineno, max_dcd_entries);
716 exit(EXIT_FAILURE);
717 }
718 }
719 break;
720 case CMD_PLUGIN:
721 value = get_cfg_value(token, name, lineno);
722 imximage_iram_free_start = value;
723 break;
724 default:
725 break;
726 }
727 break;
728 default:
729 break;
730 }
731 }
732 static uint32_t parse_cfg_file(struct imx_header *imxhdr, char *name)
733 {
734 FILE *fd = NULL;
735 char *line = NULL;
736 char *token, *saveptr1, *saveptr2;
737 int lineno = 0;
738 int fld;
739 size_t len;
740 int dcd_len = 0;
741 int32_t cmd;
742
743 fd = fopen(name, "r");
744 if (fd == 0) {
745 fprintf(stderr, "Error: %s - Can't open DCD file\n", name);
746 exit(EXIT_FAILURE);
747 }
748
749 /*
750 * Very simple parsing, line starting with # are comments
751 * and are dropped
752 */
753 while ((getline(&line, &len, fd)) > 0) {
754 lineno++;
755
756 token = strtok_r(line, "\r\n", &saveptr1);
757 if (token == NULL)
758 continue;
759
760 /* Check inside the single line */
761 for (fld = CFG_COMMAND, cmd = CMD_INVALID,
762 line = token; ; line = NULL, fld++) {
763 token = strtok_r(line, " \t", &saveptr2);
764 if (token == NULL)
765 break;
766
767 /* Drop all text starting with '#' as comments */
768 if (token[0] == '#')
769 break;
770
771 parse_cfg_fld(imxhdr, &cmd, token, name,
772 lineno, fld, &dcd_len);
773 }
774
775 }
776
777 (*set_dcd_rst)(imxhdr, dcd_len, name, lineno);
778 fclose(fd);
779
780 /* Exit if there is no BOOT_FROM field specifying the flash_offset */
781 if (imximage_ivt_offset == FLASH_OFFSET_UNDEFINED) {
782 fprintf(stderr, "Error: No BOOT_FROM tag in %s\n", name);
783 exit(EXIT_FAILURE);
784 }
785 return dcd_len;
786 }
787
788
789 static int imximage_check_image_types(uint8_t type)
790 {
791 if (type == IH_TYPE_IMXIMAGE)
792 return EXIT_SUCCESS;
793 else
794 return EXIT_FAILURE;
795 }
796
797 static int imximage_verify_header(unsigned char *ptr, int image_size,
798 struct image_tool_params *params)
799 {
800 struct imx_header *imx_hdr = (struct imx_header *) ptr;
801
802 if (detect_imximage_version(imx_hdr) == IMXIMAGE_VER_INVALID)
803 return -FDT_ERR_BADSTRUCTURE;
804
805 return 0;
806 }
807
808 static void imximage_print_header(const void *ptr)
809 {
810 struct imx_header *imx_hdr = (struct imx_header *) ptr;
811 uint32_t version = detect_imximage_version(imx_hdr);
812
813 switch (version) {
814 case IMXIMAGE_V1:
815 print_hdr_v1(imx_hdr);
816 break;
817 case IMXIMAGE_V2:
818 print_hdr_v2(imx_hdr);
819 break;
820 default:
821 err_imximage_version(version);
822 break;
823 }
824 }
825
826 static void imximage_set_header(void *ptr, struct stat *sbuf, int ifd,
827 struct image_tool_params *params)
828 {
829 struct imx_header *imxhdr = (struct imx_header *)ptr;
830 uint32_t dcd_len;
831 uint32_t header_size;
832
833 /*
834 * In order to not change the old imx cfg file
835 * by adding VERSION command into it, here need
836 * set up function ptr group to V1 by default.
837 */
838 imximage_version = IMXIMAGE_V1;
839 /* Be able to detect if the cfg file has no BOOT_FROM tag */
840 imximage_ivt_offset = FLASH_OFFSET_UNDEFINED;
841 imximage_csf_size = 0;
842 set_hdr_func();
843
844 /* Parse dcd configuration file */
845 dcd_len = parse_cfg_file(imxhdr, params->imagename);
846
847 if (imximage_version == IMXIMAGE_V1)
848 header_size = sizeof(flash_header_v1_t);
849 else {
850 header_size = sizeof(flash_header_v2_t) + sizeof(boot_data_t);
851 if (!plugin_image)
852 header_size += sizeof(dcd_v2_t);
853 else
854 header_size += MAX_PLUGIN_CODE_SIZE;
855 }
856
857 if (imximage_init_loadsize < imximage_ivt_offset + header_size)
858 imximage_init_loadsize = imximage_ivt_offset + header_size;
859
860 /* Set the imx header */
861 (*set_imx_hdr)(imxhdr, dcd_len, params->ep, imximage_ivt_offset);
862
863 /*
864 * ROM bug alert
865 *
866 * MX53 only loads 512 byte multiples in case of SD boot.
867 * MX53 only loads NAND page multiples in case of NAND boot and
868 * supports up to 4096 byte large pages, thus align to 4096.
869 *
870 * The remaining fraction of a block bytes would not be loaded!
871 */
872 *header_size_ptr = ROUND((sbuf->st_size + imximage_ivt_offset), 4096);
873
874 if (csf_ptr && imximage_csf_size) {
875 *csf_ptr = params->ep - imximage_init_loadsize +
876 *header_size_ptr;
877 *header_size_ptr += imximage_csf_size;
878 }
879 }
880
881 int imximage_check_params(struct image_tool_params *params)
882 {
883 if (!params)
884 return CFG_INVALID;
885 if (!strlen(params->imagename)) {
886 fprintf(stderr, "Error: %s - Configuration file not specified, "
887 "it is needed for imximage generation\n",
888 params->cmdname);
889 return CFG_INVALID;
890 }
891 /*
892 * Check parameters:
893 * XIP is not allowed and verify that incompatible
894 * parameters are not sent at the same time
895 * For example, if list is required a data image must not be provided
896 */
897 return (params->dflag && (params->fflag || params->lflag)) ||
898 (params->fflag && (params->dflag || params->lflag)) ||
899 (params->lflag && (params->dflag || params->fflag)) ||
900 (params->xflag) || !(strlen(params->imagename));
901 }
902
903 static int imximage_generate(struct image_tool_params *params,
904 struct image_type_params *tparams)
905 {
906 struct imx_header *imxhdr;
907 size_t alloc_len;
908 struct stat sbuf;
909 char *datafile = params->datafile;
910 uint32_t pad_len, header_size;
911
912 memset(&imximage_header, 0, sizeof(imximage_header));
913
914 /*
915 * In order to not change the old imx cfg file
916 * by adding VERSION command into it, here need
917 * set up function ptr group to V1 by default.
918 */
919 imximage_version = IMXIMAGE_V1;
920 /* Be able to detect if the cfg file has no BOOT_FROM tag */
921 imximage_ivt_offset = FLASH_OFFSET_UNDEFINED;
922 imximage_csf_size = 0;
923 set_hdr_func();
924
925 /* Parse dcd configuration file */
926 parse_cfg_file(&imximage_header, params->imagename);
927
928 if (imximage_version == IMXIMAGE_V1)
929 header_size = sizeof(imx_header_v1_t);
930 else {
931 header_size = sizeof(flash_header_v2_t) + sizeof(boot_data_t);
932 if (!plugin_image)
933 header_size += sizeof(dcd_v2_t);
934 else
935 header_size += MAX_PLUGIN_CODE_SIZE;
936 }
937
938 if (imximage_init_loadsize < imximage_ivt_offset + header_size)
939 imximage_init_loadsize = imximage_ivt_offset + header_size;
940
941 alloc_len = imximage_init_loadsize - imximage_ivt_offset;
942
943 if (alloc_len < header_size) {
944 fprintf(stderr, "%s: header error\n",
945 params->cmdname);
946 exit(EXIT_FAILURE);
947 }
948
949 imxhdr = malloc(alloc_len);
950
951 if (!imxhdr) {
952 fprintf(stderr, "%s: malloc return failure: %s\n",
953 params->cmdname, strerror(errno));
954 exit(EXIT_FAILURE);
955 }
956
957 memset(imxhdr, 0, alloc_len);
958
959 tparams->header_size = alloc_len;
960 tparams->hdr = imxhdr;
961
962 /* determine data image file length */
963
964 if (stat(datafile, &sbuf) < 0) {
965 fprintf(stderr, "%s: Can't stat %s: %s\n",
966 params->cmdname, datafile, strerror(errno));
967 exit(EXIT_FAILURE);
968 }
969
970 pad_len = ROUND(sbuf.st_size, 4096) - sbuf.st_size;
971
972 return pad_len;
973 }
974
975
976 /*
977 * imximage parameters
978 */
979 U_BOOT_IMAGE_TYPE(
980 imximage,
981 "Freescale i.MX Boot Image support",
982 0,
983 NULL,
984 imximage_check_params,
985 imximage_verify_header,
986 imximage_print_header,
987 imximage_set_header,
988 NULL,
989 imximage_check_image_types,
990 NULL,
991 imximage_generate
992 );
"Das U-Boot" Source Tree