7f66965af56275c8923a1b60b3656d0b82ceb9db
[people/ms/u-boot.git] / arch / arm / mach-imx / hab.c
1 /*
2 * Copyright (C) 2010-2015 Freescale Semiconductor, Inc.
3 *
4 * SPDX-License-Identifier: GPL-2.0+
5 */
6
7 #include <common.h>
8 #include <config.h>
9 #include <fuse.h>
10 #include <asm/io.h>
11 #include <asm/system.h>
12 #include <asm/arch/clock.h>
13 #include <asm/arch/sys_proto.h>
14 #include <asm/mach-imx/hab.h>
15
16 /* -------- start of HAB API updates ------------*/
17
18 #define hab_rvt_report_event_p \
19 ( \
20 (is_mx6dqp()) ? \
21 ((hab_rvt_report_event_t *)HAB_RVT_REPORT_EVENT_NEW) : \
22 (is_mx6dq() && (soc_rev() >= CHIP_REV_1_5)) ? \
23 ((hab_rvt_report_event_t *)HAB_RVT_REPORT_EVENT_NEW) : \
24 (is_mx6sdl() && (soc_rev() >= CHIP_REV_1_2)) ? \
25 ((hab_rvt_report_event_t *)HAB_RVT_REPORT_EVENT_NEW) : \
26 ((hab_rvt_report_event_t *)HAB_RVT_REPORT_EVENT) \
27 )
28
29 #define hab_rvt_report_status_p \
30 ( \
31 (is_mx6dqp()) ? \
32 ((hab_rvt_report_status_t *)HAB_RVT_REPORT_STATUS_NEW) :\
33 (is_mx6dq() && (soc_rev() >= CHIP_REV_1_5)) ? \
34 ((hab_rvt_report_status_t *)HAB_RVT_REPORT_STATUS_NEW) :\
35 (is_mx6sdl() && (soc_rev() >= CHIP_REV_1_2)) ? \
36 ((hab_rvt_report_status_t *)HAB_RVT_REPORT_STATUS_NEW) :\
37 ((hab_rvt_report_status_t *)HAB_RVT_REPORT_STATUS) \
38 )
39
40 #define hab_rvt_authenticate_image_p \
41 ( \
42 (is_mx6dqp()) ? \
43 ((hab_rvt_authenticate_image_t *)HAB_RVT_AUTHENTICATE_IMAGE_NEW) : \
44 (is_mx6dq() && (soc_rev() >= CHIP_REV_1_5)) ? \
45 ((hab_rvt_authenticate_image_t *)HAB_RVT_AUTHENTICATE_IMAGE_NEW) : \
46 (is_mx6sdl() && (soc_rev() >= CHIP_REV_1_2)) ? \
47 ((hab_rvt_authenticate_image_t *)HAB_RVT_AUTHENTICATE_IMAGE_NEW) : \
48 ((hab_rvt_authenticate_image_t *)HAB_RVT_AUTHENTICATE_IMAGE) \
49 )
50
51 #define hab_rvt_entry_p \
52 ( \
53 (is_mx6dqp()) ? \
54 ((hab_rvt_entry_t *)HAB_RVT_ENTRY_NEW) : \
55 (is_mx6dq() && (soc_rev() >= CHIP_REV_1_5)) ? \
56 ((hab_rvt_entry_t *)HAB_RVT_ENTRY_NEW) : \
57 (is_mx6sdl() && (soc_rev() >= CHIP_REV_1_2)) ? \
58 ((hab_rvt_entry_t *)HAB_RVT_ENTRY_NEW) : \
59 ((hab_rvt_entry_t *)HAB_RVT_ENTRY) \
60 )
61
62 #define hab_rvt_exit_p \
63 ( \
64 (is_mx6dqp()) ? \
65 ((hab_rvt_exit_t *)HAB_RVT_EXIT_NEW) : \
66 (is_mx6dq() && (soc_rev() >= CHIP_REV_1_5)) ? \
67 ((hab_rvt_exit_t *)HAB_RVT_EXIT_NEW) : \
68 (is_mx6sdl() && (soc_rev() >= CHIP_REV_1_2)) ? \
69 ((hab_rvt_exit_t *)HAB_RVT_EXIT_NEW) : \
70 ((hab_rvt_exit_t *)HAB_RVT_EXIT) \
71 )
72
73 static inline void hab_rvt_failsafe_new(void)
74 {
75 }
76
77 #define hab_rvt_failsafe_p \
78 ( \
79 (is_mx6dqp()) ? \
80 ((hab_rvt_failsafe_t *)hab_rvt_failsafe_new) : \
81 (is_mx6dq() && (soc_rev() >= CHIP_REV_1_5)) ? \
82 ((hab_rvt_failsafe_t *)hab_rvt_failsafe_new) : \
83 (is_mx6sdl() && (soc_rev() >= CHIP_REV_1_2)) ? \
84 ((hab_rvt_failsafe_t *)hab_rvt_failsafe_new) : \
85 ((hab_rvt_failsafe_t *)HAB_RVT_FAILSAFE) \
86 )
87
88 static inline enum hab_status hab_rvt_check_target_new(enum hab_target target,
89 const void *start,
90 size_t bytes)
91 {
92 return HAB_SUCCESS;
93 }
94
95 #define hab_rvt_check_target_p \
96 ( \
97 (is_mx6dqp()) ? \
98 ((hab_rvt_check_target_t *)hab_rvt_check_target_new) : \
99 (is_mx6dq() && (soc_rev() >= CHIP_REV_1_5)) ? \
100 ((hab_rvt_check_target_t *)hab_rvt_check_target_new) : \
101 (is_mx6sdl() && (soc_rev() >= CHIP_REV_1_2)) ? \
102 ((hab_rvt_check_target_t *)hab_rvt_check_target_new) : \
103 ((hab_rvt_check_target_t *)HAB_RVT_CHECK_TARGET) \
104 )
105
106 #define ALIGN_SIZE 0x1000
107 #define MX6DQ_PU_IROM_MMU_EN_VAR 0x009024a8
108 #define MX6DLS_PU_IROM_MMU_EN_VAR 0x00901dd0
109 #define MX6SL_PU_IROM_MMU_EN_VAR 0x00900a18
110 #define IS_HAB_ENABLED_BIT \
111 (is_soc_type(MXC_SOC_MX7ULP) ? 0x80000000 : \
112 (is_soc_type(MXC_SOC_MX7) ? 0x2000000 : 0x2))
113
114 static int ivt_header_error(const char *err_str, struct ivt_header *ivt_hdr)
115 {
116 printf("%s magic=0x%x length=0x%02x version=0x%x\n", err_str,
117 ivt_hdr->magic, ivt_hdr->length, ivt_hdr->version);
118
119 return 1;
120 }
121
122 static int verify_ivt_header(struct ivt_header *ivt_hdr)
123 {
124 int result = 0;
125
126 if (ivt_hdr->magic != IVT_HEADER_MAGIC)
127 result = ivt_header_error("bad magic", ivt_hdr);
128
129 if (be16_to_cpu(ivt_hdr->length) != IVT_TOTAL_LENGTH)
130 result = ivt_header_error("bad length", ivt_hdr);
131
132 if (ivt_hdr->version != IVT_HEADER_V1 &&
133 ivt_hdr->version != IVT_HEADER_V2)
134 result = ivt_header_error("bad version", ivt_hdr);
135
136 return result;
137 }
138
139 #if !defined(CONFIG_SPL_BUILD)
140
141 #define MAX_RECORD_BYTES (8*1024) /* 4 kbytes */
142
143 struct record {
144 uint8_t tag; /* Tag */
145 uint8_t len[2]; /* Length */
146 uint8_t par; /* Version */
147 uint8_t contents[MAX_RECORD_BYTES];/* Record Data */
148 bool any_rec_flag;
149 };
150
151 static char *rsn_str[] = {
152 "RSN = HAB_RSN_ANY (0x00)\n",
153 "RSN = HAB_ENG_FAIL (0x30)\n",
154 "RSN = HAB_INV_ADDRESS (0x22)\n",
155 "RSN = HAB_INV_ASSERTION (0x0C)\n",
156 "RSN = HAB_INV_CALL (0x28)\n",
157 "RSN = HAB_INV_CERTIFICATE (0x21)\n",
158 "RSN = HAB_INV_COMMAND (0x06)\n",
159 "RSN = HAB_INV_CSF (0x11)\n",
160 "RSN = HAB_INV_DCD (0x27)\n",
161 "RSN = HAB_INV_INDEX (0x0F)\n",
162 "RSN = HAB_INV_IVT (0x05)\n",
163 "RSN = HAB_INV_KEY (0x1D)\n",
164 "RSN = HAB_INV_RETURN (0x1E)\n",
165 "RSN = HAB_INV_SIGNATURE (0x18)\n",
166 "RSN = HAB_INV_SIZE (0x17)\n",
167 "RSN = HAB_MEM_FAIL (0x2E)\n",
168 "RSN = HAB_OVR_COUNT (0x2B)\n",
169 "RSN = HAB_OVR_STORAGE (0x2D)\n",
170 "RSN = HAB_UNS_ALGORITHM (0x12)\n",
171 "RSN = HAB_UNS_COMMAND (0x03)\n",
172 "RSN = HAB_UNS_ENGINE (0x0A)\n",
173 "RSN = HAB_UNS_ITEM (0x24)\n",
174 "RSN = HAB_UNS_KEY (0x1B)\n",
175 "RSN = HAB_UNS_PROTOCOL (0x14)\n",
176 "RSN = HAB_UNS_STATE (0x09)\n",
177 "RSN = INVALID\n",
178 NULL
179 };
180
181 static char *sts_str[] = {
182 "STS = HAB_SUCCESS (0xF0)\n",
183 "STS = HAB_FAILURE (0x33)\n",
184 "STS = HAB_WARNING (0x69)\n",
185 "STS = INVALID\n",
186 NULL
187 };
188
189 static char *eng_str[] = {
190 "ENG = HAB_ENG_ANY (0x00)\n",
191 "ENG = HAB_ENG_SCC (0x03)\n",
192 "ENG = HAB_ENG_RTIC (0x05)\n",
193 "ENG = HAB_ENG_SAHARA (0x06)\n",
194 "ENG = HAB_ENG_CSU (0x0A)\n",
195 "ENG = HAB_ENG_SRTC (0x0C)\n",
196 "ENG = HAB_ENG_DCP (0x1B)\n",
197 "ENG = HAB_ENG_CAAM (0x1D)\n",
198 "ENG = HAB_ENG_SNVS (0x1E)\n",
199 "ENG = HAB_ENG_OCOTP (0x21)\n",
200 "ENG = HAB_ENG_DTCP (0x22)\n",
201 "ENG = HAB_ENG_ROM (0x36)\n",
202 "ENG = HAB_ENG_HDCP (0x24)\n",
203 "ENG = HAB_ENG_RTL (0x77)\n",
204 "ENG = HAB_ENG_SW (0xFF)\n",
205 "ENG = INVALID\n",
206 NULL
207 };
208
209 static char *ctx_str[] = {
210 "CTX = HAB_CTX_ANY(0x00)\n",
211 "CTX = HAB_CTX_FAB (0xFF)\n",
212 "CTX = HAB_CTX_ENTRY (0xE1)\n",
213 "CTX = HAB_CTX_TARGET (0x33)\n",
214 "CTX = HAB_CTX_AUTHENTICATE (0x0A)\n",
215 "CTX = HAB_CTX_DCD (0xDD)\n",
216 "CTX = HAB_CTX_CSF (0xCF)\n",
217 "CTX = HAB_CTX_COMMAND (0xC0)\n",
218 "CTX = HAB_CTX_AUT_DAT (0xDB)\n",
219 "CTX = HAB_CTX_ASSERT (0xA0)\n",
220 "CTX = HAB_CTX_EXIT (0xEE)\n",
221 "CTX = INVALID\n",
222 NULL
223 };
224
225 static uint8_t hab_statuses[5] = {
226 HAB_STS_ANY,
227 HAB_FAILURE,
228 HAB_WARNING,
229 HAB_SUCCESS,
230 -1
231 };
232
233 static uint8_t hab_reasons[26] = {
234 HAB_RSN_ANY,
235 HAB_ENG_FAIL,
236 HAB_INV_ADDRESS,
237 HAB_INV_ASSERTION,
238 HAB_INV_CALL,
239 HAB_INV_CERTIFICATE,
240 HAB_INV_COMMAND,
241 HAB_INV_CSF,
242 HAB_INV_DCD,
243 HAB_INV_INDEX,
244 HAB_INV_IVT,
245 HAB_INV_KEY,
246 HAB_INV_RETURN,
247 HAB_INV_SIGNATURE,
248 HAB_INV_SIZE,
249 HAB_MEM_FAIL,
250 HAB_OVR_COUNT,
251 HAB_OVR_STORAGE,
252 HAB_UNS_ALGORITHM,
253 HAB_UNS_COMMAND,
254 HAB_UNS_ENGINE,
255 HAB_UNS_ITEM,
256 HAB_UNS_KEY,
257 HAB_UNS_PROTOCOL,
258 HAB_UNS_STATE,
259 -1
260 };
261
262 static uint8_t hab_contexts[12] = {
263 HAB_CTX_ANY,
264 HAB_CTX_FAB,
265 HAB_CTX_ENTRY,
266 HAB_CTX_TARGET,
267 HAB_CTX_AUTHENTICATE,
268 HAB_CTX_DCD,
269 HAB_CTX_CSF,
270 HAB_CTX_COMMAND,
271 HAB_CTX_AUT_DAT,
272 HAB_CTX_ASSERT,
273 HAB_CTX_EXIT,
274 -1
275 };
276
277 static uint8_t hab_engines[16] = {
278 HAB_ENG_ANY,
279 HAB_ENG_SCC,
280 HAB_ENG_RTIC,
281 HAB_ENG_SAHARA,
282 HAB_ENG_CSU,
283 HAB_ENG_SRTC,
284 HAB_ENG_DCP,
285 HAB_ENG_CAAM,
286 HAB_ENG_SNVS,
287 HAB_ENG_OCOTP,
288 HAB_ENG_DTCP,
289 HAB_ENG_ROM,
290 HAB_ENG_HDCP,
291 HAB_ENG_RTL,
292 HAB_ENG_SW,
293 -1
294 };
295
296 static inline uint8_t get_idx(uint8_t *list, uint8_t tgt)
297 {
298 uint8_t idx = 0;
299 uint8_t element = list[idx];
300 while (element != -1) {
301 if (element == tgt)
302 return idx;
303 element = list[++idx];
304 }
305 return -1;
306 }
307
308 static void process_event_record(uint8_t *event_data, size_t bytes)
309 {
310 struct record *rec = (struct record *)event_data;
311
312 printf("\n\n%s", sts_str[get_idx(hab_statuses, rec->contents[0])]);
313 printf("%s", rsn_str[get_idx(hab_reasons, rec->contents[1])]);
314 printf("%s", ctx_str[get_idx(hab_contexts, rec->contents[2])]);
315 printf("%s", eng_str[get_idx(hab_engines, rec->contents[3])]);
316 }
317
318 static void display_event(uint8_t *event_data, size_t bytes)
319 {
320 uint32_t i;
321
322 if (!(event_data && bytes > 0))
323 return;
324
325 for (i = 0; i < bytes; i++) {
326 if (i == 0)
327 printf("\t0x%02x", event_data[i]);
328 else if ((i % 8) == 0)
329 printf("\n\t0x%02x", event_data[i]);
330 else
331 printf(" 0x%02x", event_data[i]);
332 }
333
334 process_event_record(event_data, bytes);
335 }
336
337 static int get_hab_status(void)
338 {
339 uint32_t index = 0; /* Loop index */
340 uint8_t event_data[128]; /* Event data buffer */
341 size_t bytes = sizeof(event_data); /* Event size in bytes */
342 enum hab_config config = 0;
343 enum hab_state state = 0;
344 hab_rvt_report_event_t *hab_rvt_report_event;
345 hab_rvt_report_status_t *hab_rvt_report_status;
346
347 hab_rvt_report_event = hab_rvt_report_event_p;
348 hab_rvt_report_status = hab_rvt_report_status_p;
349
350 if (imx_hab_is_enabled())
351 puts("\nSecure boot enabled\n");
352 else
353 puts("\nSecure boot disabled\n");
354
355 /* Check HAB status */
356 if (hab_rvt_report_status(&config, &state) != HAB_SUCCESS) {
357 printf("\nHAB Configuration: 0x%02x, HAB State: 0x%02x\n",
358 config, state);
359
360 /* Display HAB Error events */
361 while (hab_rvt_report_event(HAB_FAILURE, index, event_data,
362 &bytes) == HAB_SUCCESS) {
363 puts("\n");
364 printf("--------- HAB Event %d -----------------\n",
365 index + 1);
366 puts("event data:\n");
367 display_event(event_data, bytes);
368 puts("\n");
369 bytes = sizeof(event_data);
370 index++;
371 }
372 }
373 /* Display message if no HAB events are found */
374 else {
375 printf("\nHAB Configuration: 0x%02x, HAB State: 0x%02x\n",
376 config, state);
377 puts("No HAB Events Found!\n\n");
378 }
379 return 0;
380 }
381
382 static int do_hab_status(cmd_tbl_t *cmdtp, int flag, int argc,
383 char * const argv[])
384 {
385 if ((argc != 1)) {
386 cmd_usage(cmdtp);
387 return 1;
388 }
389
390 get_hab_status();
391
392 return 0;
393 }
394
395 static int do_authenticate_image(cmd_tbl_t *cmdtp, int flag, int argc,
396 char * const argv[])
397 {
398 ulong addr, length, ivt_offset;
399 int rcode = 0;
400
401 if (argc < 4)
402 return CMD_RET_USAGE;
403
404 addr = simple_strtoul(argv[1], NULL, 16);
405 length = simple_strtoul(argv[2], NULL, 16);
406 ivt_offset = simple_strtoul(argv[3], NULL, 16);
407
408 rcode = imx_hab_authenticate_image(addr, length, ivt_offset);
409 if (rcode == 0)
410 rcode = CMD_RET_SUCCESS;
411 else
412 rcode = CMD_RET_FAILURE;
413
414 return rcode;
415 }
416
417 static int do_hab_failsafe(cmd_tbl_t *cmdtp, int flag, int argc,
418 char * const argv[])
419 {
420 hab_rvt_failsafe_t *hab_rvt_failsafe;
421
422 if (argc != 1) {
423 cmd_usage(cmdtp);
424 return 1;
425 }
426
427 hab_rvt_failsafe = hab_rvt_failsafe_p;
428 hab_rvt_failsafe();
429
430 return 0;
431 }
432
433 U_BOOT_CMD(
434 hab_status, CONFIG_SYS_MAXARGS, 1, do_hab_status,
435 "display HAB status",
436 ""
437 );
438
439 U_BOOT_CMD(
440 hab_auth_img, 4, 0, do_authenticate_image,
441 "authenticate image via HAB",
442 "addr length ivt_offset\n"
443 "addr - image hex address\n"
444 "length - image hex length\n"
445 "ivt_offset - hex offset of IVT in the image"
446 );
447
448 U_BOOT_CMD(
449 hab_failsafe, CONFIG_SYS_MAXARGS, 1, do_hab_failsafe,
450 "run BootROM failsafe routine",
451 ""
452 );
453
454 #endif /* !defined(CONFIG_SPL_BUILD) */
455
456 /* Get CSF Header length */
457 static int get_hab_hdr_len(struct hab_hdr *hdr)
458 {
459 return (size_t)((hdr->len[0] << 8) + (hdr->len[1]));
460 }
461
462 /* Check whether addr lies between start and
463 * end and is within the length of the image
464 */
465 static int chk_bounds(u8 *addr, size_t bytes, u8 *start, u8 *end)
466 {
467 size_t csf_size = (size_t)((end + 1) - addr);
468
469 return (addr && (addr >= start) && (addr <= end) &&
470 (csf_size >= bytes));
471 }
472
473 /* Get Length of each command in CSF */
474 static int get_csf_cmd_hdr_len(u8 *csf_hdr)
475 {
476 if (*csf_hdr == HAB_CMD_HDR)
477 return sizeof(struct hab_hdr);
478
479 return get_hab_hdr_len((struct hab_hdr *)csf_hdr);
480 }
481
482 /* Check if CSF is valid */
483 static bool csf_is_valid(struct ivt *ivt, ulong start_addr, size_t bytes)
484 {
485 u8 *start = (u8 *)start_addr;
486 u8 *csf_hdr;
487 u8 *end;
488
489 size_t csf_hdr_len;
490 size_t cmd_hdr_len;
491 size_t offset = 0;
492
493 if (bytes != 0)
494 end = start + bytes - 1;
495 else
496 end = start;
497
498 /* Verify if CSF pointer content is zero */
499 if (!ivt->csf) {
500 puts("Error: CSF pointer is NULL\n");
501 return false;
502 }
503
504 csf_hdr = (u8 *)ivt->csf;
505
506 /* Verify if CSF Header exist */
507 if (*csf_hdr != HAB_CMD_HDR) {
508 puts("Error: CSF header command not found\n");
509 return false;
510 }
511
512 csf_hdr_len = get_hab_hdr_len((struct hab_hdr *)csf_hdr);
513
514 /* Check if the CSF lies within the image bounds */
515 if (!chk_bounds(csf_hdr, csf_hdr_len, start, end)) {
516 puts("Error: CSF lies outside the image bounds\n");
517 return false;
518 }
519
520 do {
521 cmd_hdr_len = get_csf_cmd_hdr_len(&csf_hdr[offset]);
522 if (!cmd_hdr_len) {
523 puts("Error: Invalid command length\n");
524 return false;
525 }
526 offset += cmd_hdr_len;
527
528 } while (offset < csf_hdr_len);
529
530 return true;
531 }
532
533 bool imx_hab_is_enabled(void)
534 {
535 struct imx_sec_config_fuse_t *fuse =
536 (struct imx_sec_config_fuse_t *)&imx_sec_config_fuse;
537 uint32_t reg;
538 int ret;
539
540 ret = fuse_read(fuse->bank, fuse->word, &reg);
541 if (ret) {
542 puts("\nSecure boot fuse read error\n");
543 return ret;
544 }
545
546 return (reg & IS_HAB_ENABLED_BIT) == IS_HAB_ENABLED_BIT;
547 }
548
549 int imx_hab_authenticate_image(uint32_t ddr_start, uint32_t image_size,
550 uint32_t ivt_offset)
551 {
552 uint32_t load_addr = 0;
553 size_t bytes;
554 uint32_t ivt_addr = 0;
555 int result = 1;
556 ulong start;
557 hab_rvt_authenticate_image_t *hab_rvt_authenticate_image;
558 hab_rvt_entry_t *hab_rvt_entry;
559 hab_rvt_exit_t *hab_rvt_exit;
560 hab_rvt_check_target_t *hab_rvt_check_target;
561 struct ivt *ivt;
562 struct ivt_header *ivt_hdr;
563 enum hab_status status;
564
565 hab_rvt_authenticate_image = hab_rvt_authenticate_image_p;
566 hab_rvt_entry = hab_rvt_entry_p;
567 hab_rvt_exit = hab_rvt_exit_p;
568 hab_rvt_check_target = hab_rvt_check_target_p;
569
570 if (!imx_hab_is_enabled()) {
571 puts("hab fuse not enabled\n");
572 return 0;
573 }
574
575 printf("\nAuthenticate image from DDR location 0x%x...\n",
576 ddr_start);
577
578 hab_caam_clock_enable(1);
579
580 /* Calculate IVT address header */
581 ivt_addr = ddr_start + ivt_offset;
582 ivt = (struct ivt *)ivt_addr;
583 ivt_hdr = &ivt->hdr;
584
585 /* Verify IVT header bugging out on error */
586 if (verify_ivt_header(ivt_hdr))
587 goto hab_authentication_exit;
588
589 /* Verify IVT body */
590 if (ivt->self != ivt_addr) {
591 printf("ivt->self 0x%08x pointer is 0x%08x\n",
592 ivt->self, ivt_addr);
593 goto hab_authentication_exit;
594 }
595
596 /* Verify if IVT DCD pointer is NULL */
597 if (ivt->dcd) {
598 puts("Error: DCD pointer must be NULL\n");
599 goto hab_authentication_exit;
600 }
601
602 start = ddr_start;
603 bytes = image_size;
604
605 /* Verify CSF */
606 if (!csf_is_valid(ivt, start, bytes))
607 goto hab_authentication_exit;
608
609 if (hab_rvt_entry() != HAB_SUCCESS) {
610 puts("hab entry function fail\n");
611 goto hab_exit_failure_print_status;
612 }
613
614 status = hab_rvt_check_target(HAB_TGT_MEMORY, (void *)ddr_start, bytes);
615 if (status != HAB_SUCCESS) {
616 printf("HAB check target 0x%08x-0x%08x fail\n",
617 ddr_start, ddr_start + bytes);
618 goto hab_exit_failure_print_status;
619 }
620 #ifdef DEBUG
621 printf("\nivt_offset = 0x%x, ivt addr = 0x%x\n", ivt_offset, ivt_addr);
622 printf("ivt entry = 0x%08x, dcd = 0x%08x, csf = 0x%08x\n", ivt->entry,
623 ivt->dcd, ivt->csf);
624 puts("Dumping IVT\n");
625 print_buffer(ivt_addr, (void *)(ivt_addr), 4, 0x8, 0);
626
627 puts("Dumping CSF Header\n");
628 print_buffer(ivt->csf, (void *)(ivt->csf), 4, 0x10, 0);
629
630 #if !defined(CONFIG_SPL_BUILD)
631 get_hab_status();
632 #endif
633
634 puts("\nCalling authenticate_image in ROM\n");
635 printf("\tivt_offset = 0x%x\n", ivt_offset);
636 printf("\tstart = 0x%08lx\n", start);
637 printf("\tbytes = 0x%x\n", bytes);
638 #endif
639 /*
640 * If the MMU is enabled, we have to notify the ROM
641 * code, or it won't flush the caches when needed.
642 * This is done, by setting the "pu_irom_mmu_enabled"
643 * word to 1. You can find its address by looking in
644 * the ROM map. This is critical for
645 * authenticate_image(). If MMU is enabled, without
646 * setting this bit, authentication will fail and may
647 * crash.
648 */
649 /* Check MMU enabled */
650 if (is_soc_type(MXC_SOC_MX6) && get_cr() & CR_M) {
651 if (is_mx6dq()) {
652 /*
653 * This won't work on Rev 1.0.0 of
654 * i.MX6Q/D, since their ROM doesn't
655 * do cache flushes. don't think any
656 * exist, so we ignore them.
657 */
658 if (!is_mx6dqp())
659 writel(1, MX6DQ_PU_IROM_MMU_EN_VAR);
660 } else if (is_mx6sdl()) {
661 writel(1, MX6DLS_PU_IROM_MMU_EN_VAR);
662 } else if (is_mx6sl()) {
663 writel(1, MX6SL_PU_IROM_MMU_EN_VAR);
664 }
665 }
666
667 load_addr = (uint32_t)hab_rvt_authenticate_image(
668 HAB_CID_UBOOT,
669 ivt_offset, (void **)&start,
670 (size_t *)&bytes, NULL);
671 if (hab_rvt_exit() != HAB_SUCCESS) {
672 puts("hab exit function fail\n");
673 load_addr = 0;
674 }
675
676 hab_exit_failure_print_status:
677 #if !defined(CONFIG_SPL_BUILD)
678 get_hab_status();
679 #endif
680
681 hab_authentication_exit:
682
683 if (load_addr != 0)
684 result = 0;
685
686 return result;
687 }