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83d290c5 1// SPDX-License-Identifier: GPL-2.0+
d9b58b30
MS
2/*
3 * Copyright (C) 2016 Michal Simek <michals@xilinx.com>
4 * Copyright (C) 2015 Nathan Rossi <nathan@nathanrossi.com>
5 *
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6 * The following Boot Header format/structures and values are defined in the
7 * following documents:
df4950e3 8 * * ug1085 ZynqMP TRM doc v1.4 (Chapter 11, Table 11-4)
e9dbfb32 9 * * ug1137 ZynqMP Software Developer Guide v6.0 (Chapter 16)
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10 *
11 * Expected Header Size = 0x9C0
12 * Forced as 'little' endian, 32-bit words
13 *
14 * 0x 0 - Interrupt table (8 words)
15 * ... (Default value = 0xeafffffe)
16 * 0x 1f
17 * 0x 20 - Width detection
18 * * DEFAULT_WIDTHDETECTION 0xaa995566
19 * 0x 24 - Image identifier
20 * * DEFAULT_IMAGEIDENTIFIER 0x584c4e58
21 * 0x 28 - Encryption
22 * * 0x00000000 - None
23 * * 0xa5c3c5a3 - eFuse
24 * * 0xa5c3c5a7 - obfuscated key in eFUSE
25 * * 0x3a5c3c5a - bbRam
26 * * 0xa35c7ca5 - obfuscated key in boot header
27 * 0x 2C - Image load
28 * 0x 30 - Image offset
29 * 0x 34 - PFW image length
30 * 0x 38 - Total PFW image length
31 * 0x 3C - Image length
32 * 0x 40 - Total image length
33 * 0x 44 - Image attributes
34 * 0x 48 - Header checksum
35 * 0x 4c - Obfuscated key
36 * ...
37 * 0x 68
38 * 0x 6c - Reserved
39 * 0x 70 - User defined
40 * ...
41 * 0x 9c
42 * 0x a0 - Secure header initialization vector
43 * ...
44 * 0x a8
45 * 0x ac - Obfuscated key initialization vector
46 * ...
47 * 0x b4
48 * 0x b8 - Register Initialization, 511 Address and Data word pairs
49 * * List is terminated with an address of 0xffffffff or
50 * ... * at the max number of entries
51 * 0x8b4
52 * 0x8b8 - Reserved
53 * ...
54 * 0x9bf
55 * 0x9c0 - Data/Image starts here or above
56 */
57
58#include "imagetool.h"
59#include "mkimage.h"
e384cdf8 60#include "zynqmpimage.h"
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61#include <image.h>
62
d9b58b30 63static struct zynqmp_header zynqmpimage_header;
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64static void *dynamic_header;
65static FILE *fpmu;
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66
67static uint32_t zynqmpimage_checksum(struct zynqmp_header *ptr)
68{
69 uint32_t checksum = 0;
70
71 if (ptr == NULL)
72 return 0;
73
74 checksum += le32_to_cpu(ptr->width_detection);
75 checksum += le32_to_cpu(ptr->image_identifier);
76 checksum += le32_to_cpu(ptr->encryption);
77 checksum += le32_to_cpu(ptr->image_load);
78 checksum += le32_to_cpu(ptr->image_offset);
79 checksum += le32_to_cpu(ptr->pfw_image_length);
80 checksum += le32_to_cpu(ptr->total_pfw_image_length);
81 checksum += le32_to_cpu(ptr->image_size);
82 checksum += le32_to_cpu(ptr->image_stored_size);
83 checksum += le32_to_cpu(ptr->image_attributes);
84 checksum = ~checksum;
85
86 return cpu_to_le32(checksum);
87}
88
6915dcf3 89void zynqmpimage_default_header(struct zynqmp_header *ptr)
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90{
91 int i;
92
93 if (ptr == NULL)
94 return;
95
96 ptr->width_detection = HEADER_WIDTHDETECTION;
e9dbfb32 97 ptr->image_attributes = HEADER_CPU_SELECT_A53_64BIT;
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98 ptr->image_identifier = HEADER_IMAGEIDENTIFIER;
99 ptr->encryption = cpu_to_le32(ENCRYPTION_NONE);
100
101 /* Setup not-supported/constant/reserved fields */
102 for (i = 0; i < HEADER_INTERRUPT_VECTORS; i++)
103 ptr->interrupt_vectors[i] = HEADER_INTERRUPT_DEFAULT;
104
105 for (i = 0; i < HEADER_REGINITS; i++) {
106 ptr->register_init[i].address = HEADER_REGINIT_NULL;
107 ptr->register_init[i].data = 0;
108 }
109
110 /*
111 * Certain reserved fields are required to be set to 0, ensure they are
112 * set as such.
113 */
114 ptr->pfw_image_length = 0x0;
115 ptr->total_pfw_image_length = 0x0;
116}
117
118/* mkimage glue functions */
119static int zynqmpimage_verify_header(unsigned char *ptr, int image_size,
120 struct image_tool_params *params)
121{
122 struct zynqmp_header *zynqhdr = (struct zynqmp_header *)ptr;
123
124 if (image_size < sizeof(struct zynqmp_header))
125 return -1;
126
127 if (zynqhdr->width_detection != HEADER_WIDTHDETECTION)
128 return -1;
129 if (zynqhdr->image_identifier != HEADER_IMAGEIDENTIFIER)
130 return -1;
131
132 if (zynqmpimage_checksum(zynqhdr) != zynqhdr->checksum)
133 return -1;
134
135 return 0;
136}
137
e9dbfb32
AG
138static void print_partition(const void *ptr, const struct partition_header *ph)
139{
140 uint32_t attr = le32_to_cpu(ph->attributes);
141 unsigned long len = le32_to_cpu(ph->len) * 4;
142 const char *part_owner;
143 const char *dest_devs[0x8] = {
144 "none", "PS", "PL", "PMU", "unknown", "unknown", "unknown",
145 "unknown"
146 };
147
148 switch (attr & PART_ATTR_PART_OWNER_MASK) {
149 case PART_ATTR_PART_OWNER_FSBL:
150 part_owner = "FSBL";
151 break;
152 case PART_ATTR_PART_OWNER_UBOOT:
153 part_owner = "U-Boot";
154 break;
155 default:
156 part_owner = "Unknown";
157 break;
158 }
159
160 printf("%s payload on CPU %s (%s):\n", part_owner,
161 dest_cpus[(attr & PART_ATTR_DEST_CPU_MASK) >> 8],
162 dest_devs[(attr & PART_ATTR_DEST_DEVICE_MASK) >> 4]);
163
164 printf(" Offset : 0x%08x\n", le32_to_cpu(ph->offset) * 4);
165 printf(" Size : %lu (0x%lx) bytes\n", len, len);
166 printf(" Load : 0x%08llx",
167 (unsigned long long)le64_to_cpu(ph->load_address));
168 if (ph->load_address != ph->entry_point)
169 printf(" (entry=0x%08llx)\n",
170 (unsigned long long)le64_to_cpu(ph->entry_point));
171 else
172 printf("\n");
173 printf(" Attributes : ");
174
175 if (attr & PART_ATTR_VEC_LOCATION)
176 printf("vec ");
177
178 if (attr & PART_ATTR_ENCRYPTED)
179 printf("encrypted ");
180
181 switch (attr & PART_ATTR_CHECKSUM_MASK) {
182 case PART_ATTR_CHECKSUM_MD5:
183 printf("md5 ");
184 break;
185 case PART_ATTR_CHECKSUM_SHA2:
186 printf("sha2 ");
187 break;
188 case PART_ATTR_CHECKSUM_SHA3:
189 printf("sha3 ");
190 break;
191 }
192
193 if (attr & PART_ATTR_BIG_ENDIAN)
194 printf("BigEndian ");
195
196 if (attr & PART_ATTR_RSA_SIG)
197 printf("RSA ");
198
199 if (attr & PART_ATTR_A53_EXEC_AARCH32)
200 printf("AArch32 ");
201
202 if (attr & PART_ATTR_TARGET_EL_MASK)
203 printf("EL%d ", (attr & PART_ATTR_TARGET_EL_MASK) >> 1);
204
205 if (attr & PART_ATTR_TZ_SECURE)
206 printf("secure ");
207 printf("\n");
208
209 printf(" Checksum : 0x%08x\n", le32_to_cpu(ph->checksum));
210}
211
6915dcf3 212void zynqmpimage_print_header(const void *ptr)
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213{
214 struct zynqmp_header *zynqhdr = (struct zynqmp_header *)ptr;
215 int i;
216
d28baea0 217 printf("Image Type : Xilinx ZynqMP Boot Image support\n");
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218 printf("Image Offset : 0x%08x\n", le32_to_cpu(zynqhdr->image_offset));
219 printf("Image Size : %lu bytes (%lu bytes packed)\n",
220 (unsigned long)le32_to_cpu(zynqhdr->image_size),
221 (unsigned long)le32_to_cpu(zynqhdr->image_stored_size));
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222
223 if (zynqhdr->pfw_image_length)
224 printf("PMUFW Size : %lu bytes (%lu bytes packed)\n",
225 (unsigned long)le32_to_cpu(zynqhdr->pfw_image_length),
226 (unsigned long)le32_to_cpu(
227 zynqhdr->total_pfw_image_length));
228
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229 printf("Image Load : 0x%08x\n", le32_to_cpu(zynqhdr->image_load));
230 printf("Checksum : 0x%08x\n", le32_to_cpu(zynqhdr->checksum));
231
232 for (i = 0; i < HEADER_INTERRUPT_VECTORS; i++) {
233 if (zynqhdr->interrupt_vectors[i] == HEADER_INTERRUPT_DEFAULT)
234 continue;
235
236 printf("Modified Interrupt Vector Address [%d]: 0x%08x\n", i,
237 le32_to_cpu(zynqhdr->interrupt_vectors[i]));
238 }
239
240 for (i = 0; i < HEADER_REGINITS; i++) {
241 if (zynqhdr->register_init[i].address == HEADER_REGINIT_NULL)
242 break;
243
244 if (i == 0)
245 printf("Custom Register Initialization:\n");
246
247 printf(" @ 0x%08x -> 0x%08x\n",
248 le32_to_cpu(zynqhdr->register_init[i].address),
249 le32_to_cpu(zynqhdr->register_init[i].data));
250 }
c85a6b79 251
e9dbfb32
AG
252 if (zynqhdr->image_header_table_offset) {
253 struct image_header_table *iht = (void *)ptr +
254 zynqhdr->image_header_table_offset;
255 struct partition_header *ph;
256 uint32_t ph_offset;
257 uint32_t next;
258 int i;
259
260 ph_offset = le32_to_cpu(iht->partition_header_offset) * 4;
261 ph = (void *)ptr + ph_offset;
262 for (i = 0; i < le32_to_cpu(iht->nr_parts); i++) {
263 next = le32_to_cpu(ph->next_partition_offset) * 4;
264
265 /* Partition 0 is the base image itself */
266 if (i)
267 print_partition(ptr, ph);
268
269 ph = (void *)ptr + next;
270 }
271 }
272
c85a6b79 273 free(dynamic_header);
d9b58b30
MS
274}
275
276static int zynqmpimage_check_params(struct image_tool_params *params)
277{
278 if (!params)
279 return 0;
280
281 if (params->addr != 0x0) {
282 fprintf(stderr, "Error: Load Address cannot be specified.\n");
283 return -1;
284 }
285
286 /*
287 * If the entry point is specified ensure it is 64 byte aligned.
288 */
289 if (params->eflag && (params->ep % 64 != 0)) {
290 fprintf(stderr,
291 "Error: Entry Point must be aligned to a 64-byte boundary.\n");
292 return -1;
293 }
294
295 return !(params->lflag || params->dflag);
296}
297
298static int zynqmpimage_check_image_types(uint8_t type)
299{
300 if (type == IH_TYPE_ZYNQMPIMAGE)
301 return EXIT_SUCCESS;
302 return EXIT_FAILURE;
303}
304
6d0cbbd5 305static uint32_t fsize(FILE *fp)
c85a6b79 306{
6d0cbbd5
MS
307 int size, ret, origin;
308
309 origin = ftell(fp);
310 if (origin < 0) {
311 fprintf(stderr, "Incorrect file size\n");
312 fclose(fp);
313 exit(2);
314 }
315
316 ret = fseek(fp, 0L, SEEK_END);
317 if (ret) {
318 fprintf(stderr, "Incorrect file SEEK_END\n");
319 fclose(fp);
320 exit(3);
321 }
c85a6b79 322
c85a6b79 323 size = ftell(fp);
6d0cbbd5
MS
324 if (size < 0) {
325 fprintf(stderr, "Incorrect file size\n");
326 fclose(fp);
327 exit(4);
328 }
c85a6b79
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329
330 /* going back */
6d0cbbd5
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331 ret = fseek(fp, origin, SEEK_SET);
332 if (ret) {
333 fprintf(stderr, "Incorrect file SEEK_SET to %d\n", origin);
334 fclose(fp);
335 exit(3);
336 }
c85a6b79
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337
338 return size;
339}
340
341static void zynqmpimage_pmufw(struct zynqmp_header *zynqhdr,
342 const char *filename)
343{
344 uint32_t size;
345
346 /* Setup PMU fw size */
347 zynqhdr->pfw_image_length = fsize(fpmu);
348 zynqhdr->total_pfw_image_length = zynqhdr->pfw_image_length;
349
350 zynqhdr->image_size -= zynqhdr->pfw_image_length;
351 zynqhdr->image_stored_size -= zynqhdr->total_pfw_image_length;
352
353 /* Read the whole PMUFW to the header */
354 size = fread(&zynqhdr->__reserved4[66], 1,
355 zynqhdr->pfw_image_length, fpmu);
356 if (size != zynqhdr->pfw_image_length) {
357 fprintf(stderr, "Cannot read PMUFW file: %s\n", filename);
358 fclose(fpmu);
359 exit(1);
360 }
361
362 fclose(fpmu);
363}
364
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365static void zynqmpimage_parse_initparams(struct zynqmp_header *zynqhdr,
366 const char *filename)
367{
56c7e801 368 FILE *fp;
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369 struct zynqmp_reginit reginit;
370 unsigned int reg_count = 0;
ebe0f53f 371 int r, err;
56c7e801
MS
372 struct stat path_stat;
373
56c7e801
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374 /* Expect a table of register-value pairs, e.g. "0x12345678 0x4321" */
375 fp = fopen(filename, "r");
3b646080
ML
376 if (!fp) {
377 fprintf(stderr, "Cannot open initparams file: %s\n", filename);
378 exit(1);
379 }
ebe0f53f
MS
380
381 err = fstat(fileno(fp), &path_stat);
ac71d410
MS
382 if (err) {
383 fclose(fp);
ebe0f53f 384 return;
ac71d410 385 }
ebe0f53f 386
ac71d410
MS
387 if (!S_ISREG(path_stat.st_mode)) {
388 fclose(fp);
ebe0f53f 389 return;
ac71d410 390 }
ebe0f53f 391
3b646080
ML
392 do {
393 r = fscanf(fp, "%x %x", &reginit.address, &reginit.data);
394 if (r == 2) {
395 zynqhdr->register_init[reg_count] = reginit;
396 ++reg_count;
397 }
398 r = fscanf(fp, "%*[^\n]\n"); /* Skip to next line */
399 } while ((r != EOF) && (reg_count < HEADER_REGINITS));
400 fclose(fp);
401}
402
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403static void zynqmpimage_set_header(void *ptr, struct stat *sbuf, int ifd,
404 struct image_tool_params *params)
405{
406 struct zynqmp_header *zynqhdr = (struct zynqmp_header *)ptr;
407 zynqmpimage_default_header(zynqhdr);
408
409 /* place image directly after header */
410 zynqhdr->image_offset =
411 cpu_to_le32((uint32_t)sizeof(struct zynqmp_header));
412 zynqhdr->image_size = cpu_to_le32(params->file_size -
413 sizeof(struct zynqmp_header));
414 zynqhdr->image_stored_size = zynqhdr->image_size;
415 zynqhdr->image_load = 0xfffc0000;
416 if (params->eflag)
417 zynqhdr->image_load = cpu_to_le32((uint32_t)params->ep);
418
c85a6b79
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419 /* PMUFW */
420 if (fpmu)
421 zynqmpimage_pmufw(zynqhdr, params->imagename);
422
3b646080
ML
423 /* User can pass in text file with init list */
424 if (strlen(params->imagename2))
425 zynqmpimage_parse_initparams(zynqhdr, params->imagename2);
426
d9b58b30
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427 zynqhdr->checksum = zynqmpimage_checksum(zynqhdr);
428}
429
c85a6b79
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430static int zynqmpimage_vrec_header(struct image_tool_params *params,
431 struct image_type_params *tparams)
432{
433 struct stat path_stat;
434 char *filename = params->imagename;
435 int err;
436
437 /* Handle static case without PMUFW */
438 tparams->header_size = sizeof(struct zynqmp_header);
439 tparams->hdr = (void *)&zynqmpimage_header;
440
441 /* PMUFW name is passed via params->imagename */
442 if (strlen(filename) == 0)
443 return EXIT_SUCCESS;
444
445 fpmu = fopen(filename, "r");
446 if (!fpmu) {
447 fprintf(stderr, "Cannot open PMUFW file: %s\n", filename);
448 return EXIT_FAILURE;
449 }
450
451 err = fstat(fileno(fpmu), &path_stat);
452 if (err) {
453 fclose(fpmu);
454 fpmu = NULL;
455 return EXIT_FAILURE;
456 }
457
458 if (!S_ISREG(path_stat.st_mode)) {
459 fclose(fpmu);
460 fpmu = NULL;
461 return EXIT_FAILURE;
462 }
463
464 /* Increase header size by PMUFW file size */
465 tparams->header_size += fsize(fpmu);
466
467 /* Allocate buffer with space for PMUFW */
468 dynamic_header = calloc(1, tparams->header_size);
469 tparams->hdr = dynamic_header;
470
471 return EXIT_SUCCESS;
472}
473
d9b58b30
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474U_BOOT_IMAGE_TYPE(
475 zynqmpimage,
476 "Xilinx ZynqMP Boot Image support",
477 sizeof(struct zynqmp_header),
478 (void *)&zynqmpimage_header,
479 zynqmpimage_check_params,
480 zynqmpimage_verify_header,
481 zynqmpimage_print_header,
482 zynqmpimage_set_header,
483 NULL,
484 zynqmpimage_check_image_types,
485 NULL,
c85a6b79 486 zynqmpimage_vrec_header
d9b58b30 487);