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9#include <common.h>
10#include <bloblist.h>
11#include <binman_sym.h>
12#include <bootstage.h>
13#include <dm.h>
14#include <handoff.h>
15#include <hang.h>
16#include <init.h>
17#include <irq_func.h>
18#include <log.h>
19#include <mapmem.h>
20#include <serial.h>
21#include <spl.h>
22#include <asm/global_data.h>
23#include <asm/u-boot.h>
24#include <nand.h>
25#include <fat.h>
26#include <u-boot/crc.h>
27#if CONFIG_IS_ENABLED(BANNER_PRINT)
28#include <timestamp.h>
29#endif
30#include <version.h>
31#include <image.h>
32#include <malloc.h>
33#include <mapmem.h>
34#include <dm/root.h>
35#include <linux/compiler.h>
36#include <fdt_support.h>
37#include <bootcount.h>
38#include <wdt.h>
39
40DECLARE_GLOBAL_DATA_PTR;
41
42#ifndef CONFIG_SYS_UBOOT_START
43#define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE
44#endif
45#ifndef CONFIG_SYS_MONITOR_LEN
46
47#define CONFIG_SYS_MONITOR_LEN (200 * 1024)
48#endif
49
50u32 *boot_params_ptr = NULL;
51
52
53binman_sym_declare(ulong, u_boot_any, image_pos);
54binman_sym_declare(ulong, u_boot_any, size);
55
56#ifdef CONFIG_TPL
57binman_sym_declare(ulong, spl, image_pos);
58binman_sym_declare(ulong, spl, size);
59#endif
60
61
62static struct bd_info bdata __attribute__ ((section(".data")));
63
64#if CONFIG_IS_ENABLED(SHOW_BOOT_PROGRESS)
65
66
67
68__weak void show_boot_progress(int val) {}
69#endif
70
71#if defined(CONFIG_SPL_OS_BOOT) || CONFIG_IS_ENABLED(HANDOFF) || \
72 defined(CONFIG_SPL_ATF)
73
74__weak int dram_init_banksize(void)
75{
76 return 0;
77}
78#endif
79
80
81
82
83
84
85
86
87
88
89
90#if CONFIG_IS_ENABLED(OS_BOOT)
91__weak int spl_start_uboot(void)
92{
93 puts(SPL_TPL_PROMPT
94 "Please implement spl_start_uboot() for your board\n");
95 puts(SPL_TPL_PROMPT "Direct Linux boot not active!\n");
96 return 1;
97}
98
99
100
101
102
103int __weak bootz_setup(ulong image, ulong *start, ulong *end)
104{
105 return 1;
106}
107#endif
108
109
110void __weak spl_perform_fixups(struct spl_image_info *spl_image)
111{
112}
113
114void spl_fixup_fdt(void *fdt_blob)
115{
116#if defined(CONFIG_SPL_OF_LIBFDT)
117 int err;
118
119 if (!fdt_blob)
120 return;
121
122 err = fdt_check_header(fdt_blob);
123 if (err < 0) {
124 printf("fdt_root: %s\n", fdt_strerror(err));
125 return;
126 }
127
128
129 err = fdt_shrink_to_minimum(fdt_blob, 0);
130 if (err == 0) {
131 printf(SPL_TPL_PROMPT "fdt_shrink_to_minimum err - %d\n", err);
132 return;
133 }
134
135 err = arch_fixup_fdt(fdt_blob);
136 if (err) {
137 printf(SPL_TPL_PROMPT "arch_fixup_fdt err - %d\n", err);
138 return;
139 }
140#endif
141}
142
143ulong spl_get_image_pos(void)
144{
145 return spl_phase() == PHASE_TPL ?
146 binman_sym(ulong, spl, image_pos) :
147 binman_sym(ulong, u_boot_any, image_pos);
148}
149
150ulong spl_get_image_size(void)
151{
152 return spl_phase() == PHASE_TPL ?
153 binman_sym(ulong, spl, size) :
154 binman_sym(ulong, u_boot_any, size);
155}
156
157ulong spl_get_image_text_base(void)
158{
159 return spl_phase() == PHASE_TPL ? CONFIG_SPL_TEXT_BASE :
160 CONFIG_SYS_TEXT_BASE;
161}
162
163
164
165
166
167
168__weak void spl_board_prepare_for_linux(void)
169{
170
171}
172
173__weak void spl_board_prepare_for_optee(void *fdt)
174{
175}
176
177#if CONFIG_IS_ENABLED(OPTEE_IMAGE)
178__weak void __noreturn jump_to_image_optee(struct spl_image_info *spl_image)
179{
180 spl_optee_entry(NULL, NULL, spl_image->fdt_addr,
181 (void *)spl_image->entry_point);
182}
183#endif
184
185__weak void spl_board_prepare_for_boot(void)
186{
187
188}
189
190__weak struct image_header *spl_get_load_buffer(ssize_t offset, size_t size)
191{
192 return map_sysmem(CONFIG_SYS_TEXT_BASE + offset, 0);
193}
194
195void spl_set_header_raw_uboot(struct spl_image_info *spl_image)
196{
197 ulong u_boot_pos = binman_sym(ulong, u_boot_any, image_pos);
198
199 spl_image->size = CONFIG_SYS_MONITOR_LEN;
200
201
202
203
204
205
206 if (u_boot_pos && u_boot_pos != BINMAN_SYM_MISSING) {
207
208 spl_image->entry_point = u_boot_pos;
209 spl_image->load_addr = u_boot_pos;
210 } else {
211 spl_image->entry_point = CONFIG_SYS_UBOOT_START;
212 spl_image->load_addr = CONFIG_SYS_TEXT_BASE;
213 }
214 spl_image->os = IH_OS_U_BOOT;
215 spl_image->name = "U-Boot";
216}
217
218#if CONFIG_IS_ENABLED(LOAD_FIT_FULL)
219
220static int spl_load_fit_image(struct spl_image_info *spl_image,
221 const struct image_header *header)
222{
223 bootm_headers_t images;
224 const char *fit_uname_config = NULL;
225 uintptr_t fdt_hack;
226 const char *uname;
227 ulong fw_data = 0, dt_data = 0, img_data = 0;
228 ulong fw_len = 0, dt_len = 0, img_len = 0;
229 int idx, conf_noffset;
230 int ret;
231
232#ifdef CONFIG_SPL_FIT_SIGNATURE
233 images.verify = 1;
234#endif
235 ret = fit_image_load(&images, (ulong)header,
236 NULL, &fit_uname_config,
237 IH_ARCH_DEFAULT, IH_TYPE_STANDALONE, -1,
238 FIT_LOAD_OPTIONAL, &fw_data, &fw_len);
239 if (ret >= 0) {
240 printf("DEPRECATED: 'standalone = ' property.");
241 printf("Please use either 'firmware =' or 'kernel ='\n");
242 } else {
243 ret = fit_image_load(&images, (ulong)header, NULL,
244 &fit_uname_config, IH_ARCH_DEFAULT,
245 IH_TYPE_FIRMWARE, -1, FIT_LOAD_OPTIONAL,
246 &fw_data, &fw_len);
247 }
248
249 if (ret < 0) {
250 ret = fit_image_load(&images, (ulong)header, NULL,
251 &fit_uname_config, IH_ARCH_DEFAULT,
252 IH_TYPE_KERNEL, -1, FIT_LOAD_OPTIONAL,
253 &fw_data, &fw_len);
254 }
255
256 if (ret < 0)
257 return ret;
258
259 spl_image->size = fw_len;
260 spl_image->entry_point = fw_data;
261 spl_image->load_addr = fw_data;
262 if (fit_image_get_os(header, ret, &spl_image->os))
263 spl_image->os = IH_OS_INVALID;
264 spl_image->name = genimg_get_os_name(spl_image->os);
265
266 debug(SPL_TPL_PROMPT "payload image: %32s load addr: 0x%lx size: %d\n",
267 spl_image->name, spl_image->load_addr, spl_image->size);
268
269#ifdef CONFIG_SPL_FIT_SIGNATURE
270 images.verify = 1;
271#endif
272 ret = fit_image_load(&images, (ulong)header, NULL, &fit_uname_config,
273 IH_ARCH_DEFAULT, IH_TYPE_FLATDT, -1,
274 FIT_LOAD_OPTIONAL, &dt_data, &dt_len);
275 if (ret >= 0) {
276 spl_image->fdt_addr = (void *)dt_data;
277
278 if (spl_image->os == IH_OS_U_BOOT) {
279
280 fdt_hack = spl_image->load_addr + spl_image->size;
281 fdt_hack = (fdt_hack + 3) & ~3;
282 debug("Relocating FDT to %p\n", spl_image->fdt_addr);
283 memcpy((void *)fdt_hack, spl_image->fdt_addr, dt_len);
284 }
285 }
286
287 conf_noffset = fit_conf_get_node((const void *)header,
288 fit_uname_config);
289 if (conf_noffset <= 0)
290 return 0;
291
292 for (idx = 0;
293 uname = fdt_stringlist_get((const void *)header, conf_noffset,
294 FIT_LOADABLE_PROP, idx,
295 NULL), uname;
296 idx++)
297 {
298#ifdef CONFIG_SPL_FIT_SIGNATURE
299 images.verify = 1;
300#endif
301 ret = fit_image_load(&images, (ulong)header,
302 &uname, &fit_uname_config,
303 IH_ARCH_DEFAULT, IH_TYPE_LOADABLE, -1,
304 FIT_LOAD_OPTIONAL_NON_ZERO,
305 &img_data, &img_len);
306 if (ret < 0)
307 return ret;
308 }
309
310 return 0;
311}
312#endif
313
314__weak int spl_parse_board_header(struct spl_image_info *spl_image,
315 const void *image_header, size_t size)
316{
317 return -EINVAL;
318}
319
320__weak int spl_parse_legacy_header(struct spl_image_info *spl_image,
321 const struct image_header *header)
322{
323
324 debug("Legacy boot image support not enabled, proceeding to other boot methods\n");
325 return -EINVAL;
326}
327
328int spl_parse_image_header(struct spl_image_info *spl_image,
329 const struct image_header *header)
330{
331#if CONFIG_IS_ENABLED(LOAD_FIT_FULL)
332 int ret = spl_load_fit_image(spl_image, header);
333
334 if (!ret)
335 return ret;
336#endif
337 if (image_get_magic(header) == IH_MAGIC) {
338 int ret;
339
340 ret = spl_parse_legacy_header(spl_image, header);
341 if (ret)
342 return ret;
343 } else {
344#ifdef CONFIG_SPL_PANIC_ON_RAW_IMAGE
345
346
347
348
349
350
351
352
353 panic("** no mkimage signature but raw image not supported");
354#endif
355
356#if CONFIG_IS_ENABLED(OS_BOOT)
357 ulong start, end;
358
359 if (!bootz_setup((ulong)header, &start, &end)) {
360 spl_image->name = "Linux";
361 spl_image->os = IH_OS_LINUX;
362 spl_image->load_addr = CONFIG_SYS_LOAD_ADDR;
363 spl_image->entry_point = CONFIG_SYS_LOAD_ADDR;
364 spl_image->size = end - start;
365 debug(SPL_TPL_PROMPT
366 "payload zImage, load addr: 0x%lx size: %d\n",
367 spl_image->load_addr, spl_image->size);
368 return 0;
369 }
370#endif
371
372 if (!spl_parse_board_header(spl_image, (const void *)header, sizeof(*header)))
373 return 0;
374
375#ifdef CONFIG_SPL_RAW_IMAGE_SUPPORT
376
377 debug("mkimage signature not found - ih_magic = %x\n",
378 header->ih_magic);
379 spl_set_header_raw_uboot(spl_image);
380#else
381
382 debug("Raw boot image support not enabled, proceeding to other boot methods\n");
383 return -EINVAL;
384#endif
385 }
386
387 return 0;
388}
389
390__weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
391{
392 typedef void __noreturn (*image_entry_noargs_t)(void);
393
394 image_entry_noargs_t image_entry =
395 (image_entry_noargs_t)spl_image->entry_point;
396
397 debug("image entry point: 0x%lx\n", spl_image->entry_point);
398 image_entry();
399}
400
401#if CONFIG_IS_ENABLED(HANDOFF)
402
403
404
405
406
407static int setup_spl_handoff(void)
408{
409 struct spl_handoff *ho;
410
411 ho = bloblist_ensure(BLOBLISTT_SPL_HANDOFF, sizeof(struct spl_handoff));
412 if (!ho)
413 return -ENOENT;
414
415 return 0;
416}
417
418__weak int handoff_arch_save(struct spl_handoff *ho)
419{
420 return 0;
421}
422
423static int write_spl_handoff(void)
424{
425 struct spl_handoff *ho;
426 int ret;
427
428 ho = bloblist_find(BLOBLISTT_SPL_HANDOFF, sizeof(struct spl_handoff));
429 if (!ho)
430 return -ENOENT;
431 handoff_save_dram(ho);
432 ret = handoff_arch_save(ho);
433 if (ret)
434 return ret;
435 debug(SPL_TPL_PROMPT "Wrote SPL handoff\n");
436
437 return 0;
438}
439#else
440static inline int setup_spl_handoff(void) { return 0; }
441static inline int write_spl_handoff(void) { return 0; }
442
443#endif
444
445
446
447
448
449
450
451static enum bootstage_id get_bootstage_id(bool start)
452{
453 enum u_boot_phase phase = spl_phase();
454
455 if (IS_ENABLED(CONFIG_TPL_BUILD) && phase == PHASE_TPL)
456 return start ? BOOTSTAGE_ID_START_TPL : BOOTSTAGE_ID_END_TPL;
457 else
458 return start ? BOOTSTAGE_ID_START_SPL : BOOTSTAGE_ID_END_SPL;
459}
460
461static int spl_common_init(bool setup_malloc)
462{
463 int ret;
464
465#if CONFIG_VAL(SYS_MALLOC_F_LEN)
466 if (setup_malloc) {
467#ifdef CONFIG_MALLOC_F_ADDR
468 gd->malloc_base = CONFIG_MALLOC_F_ADDR;
469#endif
470 gd->malloc_limit = CONFIG_VAL(SYS_MALLOC_F_LEN);
471 gd->malloc_ptr = 0;
472 }
473#endif
474 ret = bootstage_init(u_boot_first_phase());
475 if (ret) {
476 debug("%s: Failed to set up bootstage: ret=%d\n", __func__,
477 ret);
478 return ret;
479 }
480#ifdef CONFIG_BOOTSTAGE_STASH
481 if (!u_boot_first_phase()) {
482 const void *stash = map_sysmem(CONFIG_BOOTSTAGE_STASH_ADDR,
483 CONFIG_BOOTSTAGE_STASH_SIZE);
484
485 ret = bootstage_unstash(stash, CONFIG_BOOTSTAGE_STASH_SIZE);
486 if (ret)
487 debug("%s: Failed to unstash bootstage: ret=%d\n",
488 __func__, ret);
489 }
490#endif
491 bootstage_mark_name(get_bootstage_id(true),
492 spl_phase_name(spl_phase()));
493#if CONFIG_IS_ENABLED(LOG)
494 ret = log_init();
495 if (ret) {
496 debug("%s: Failed to set up logging\n", __func__);
497 return ret;
498 }
499#endif
500 if (CONFIG_IS_ENABLED(OF_REAL)) {
501 ret = fdtdec_setup();
502 if (ret) {
503 debug("fdtdec_setup() returned error %d\n", ret);
504 return ret;
505 }
506 }
507 if (CONFIG_IS_ENABLED(DM)) {
508 bootstage_start(BOOTSTAGE_ID_ACCUM_DM_SPL,
509 spl_phase() == PHASE_TPL ? "dm tpl" : "dm_spl");
510
511 ret = dm_init_and_scan(!CONFIG_IS_ENABLED(OF_PLATDATA));
512 bootstage_accum(BOOTSTAGE_ID_ACCUM_DM_SPL);
513 if (ret) {
514 debug("dm_init_and_scan() returned error %d\n", ret);
515 return ret;
516 }
517 }
518
519 return 0;
520}
521
522void spl_set_bd(void)
523{
524
525
526
527
528 if (!gd->bd)
529 gd->bd = &bdata;
530}
531
532int spl_early_init(void)
533{
534 int ret;
535
536 debug("%s\n", __func__);
537
538 ret = spl_common_init(true);
539 if (ret)
540 return ret;
541 gd->flags |= GD_FLG_SPL_EARLY_INIT;
542
543 return 0;
544}
545
546int spl_init(void)
547{
548 int ret;
549 bool setup_malloc = !(IS_ENABLED(CONFIG_SPL_STACK_R) &&
550 IS_ENABLED(CONFIG_SPL_SYS_MALLOC_SIMPLE));
551
552 debug("%s\n", __func__);
553
554 if (!(gd->flags & GD_FLG_SPL_EARLY_INIT)) {
555 ret = spl_common_init(setup_malloc);
556 if (ret)
557 return ret;
558 }
559 gd->flags |= GD_FLG_SPL_INIT;
560
561 return 0;
562}
563
564#ifndef BOOT_DEVICE_NONE
565#define BOOT_DEVICE_NONE 0xdeadbeef
566#endif
567
568__weak void board_boot_order(u32 *spl_boot_list)
569{
570 spl_boot_list[0] = spl_boot_device();
571}
572
573static struct spl_image_loader *spl_ll_find_loader(uint boot_device)
574{
575 struct spl_image_loader *drv =
576 ll_entry_start(struct spl_image_loader, spl_image_loader);
577 const int n_ents =
578 ll_entry_count(struct spl_image_loader, spl_image_loader);
579 struct spl_image_loader *entry;
580
581 for (entry = drv; entry != drv + n_ents; entry++) {
582 if (boot_device == entry->boot_device)
583 return entry;
584 }
585
586
587 return NULL;
588}
589
590static int spl_load_image(struct spl_image_info *spl_image,
591 struct spl_image_loader *loader)
592{
593 int ret;
594 struct spl_boot_device bootdev;
595
596 bootdev.boot_device = loader->boot_device;
597 bootdev.boot_device_name = NULL;
598
599 ret = loader->load_image(spl_image, &bootdev);
600#ifdef CONFIG_SPL_LEGACY_IMAGE_CRC_CHECK
601 if (!ret && spl_image->dcrc_length) {
602
603 ulong dcrc = crc32_wd(0, (unsigned char *)spl_image->dcrc_data,
604 spl_image->dcrc_length, CHUNKSZ_CRC32);
605 if (dcrc != spl_image->dcrc) {
606 puts("SPL: Image data CRC check failed!\n");
607 ret = -EINVAL;
608 }
609 }
610#endif
611 return ret;
612}
613
614
615
616
617
618
619
620
621
622
623
624static int boot_from_devices(struct spl_image_info *spl_image,
625 u32 spl_boot_list[], int count)
626{
627 int ret = -ENODEV;
628 int i;
629
630 for (i = 0; i < count && spl_boot_list[i] != BOOT_DEVICE_NONE; i++) {
631 struct spl_image_loader *loader;
632 int bootdev = spl_boot_list[i];
633
634 if (CONFIG_IS_ENABLED(SHOW_ERRORS))
635 ret = -ENXIO;
636 loader = spl_ll_find_loader(bootdev);
637 if (CONFIG_IS_ENABLED(SERIAL) &&
638 CONFIG_IS_ENABLED(LIBCOMMON_SUPPORT) &&
639 !IS_ENABLED(CONFIG_SILENT_CONSOLE)) {
640 if (loader)
641 printf("Trying to boot from %s\n",
642 spl_loader_name(loader));
643 else if (CONFIG_IS_ENABLED(SHOW_ERRORS))
644 printf(SPL_TPL_PROMPT
645 "Unsupported Boot Device %d\n", bootdev);
646 else
647 puts(SPL_TPL_PROMPT "Unsupported Boot Device!\n");
648 }
649 if (loader && !spl_load_image(spl_image, loader)) {
650 spl_image->boot_device = bootdev;
651 return 0;
652 }
653 }
654
655 return ret;
656}
657
658#if defined(CONFIG_SPL_FRAMEWORK_BOARD_INIT_F)
659void board_init_f(ulong dummy)
660{
661 if (CONFIG_IS_ENABLED(OF_CONTROL)) {
662 int ret;
663
664 ret = spl_early_init();
665 if (ret) {
666 debug("spl_early_init() failed: %d\n", ret);
667 hang();
668 }
669 }
670
671 preloader_console_init();
672}
673#endif
674
675void board_init_r(gd_t *dummy1, ulong dummy2)
676{
677 u32 spl_boot_list[] = {
678 BOOT_DEVICE_NONE,
679 BOOT_DEVICE_NONE,
680 BOOT_DEVICE_NONE,
681 BOOT_DEVICE_NONE,
682 BOOT_DEVICE_NONE,
683 };
684 struct spl_image_info spl_image;
685 int ret;
686
687 debug(">>" SPL_TPL_PROMPT "board_init_r()\n");
688
689 spl_set_bd();
690
691#if defined(CONFIG_SYS_SPL_MALLOC_START)
692 mem_malloc_init(CONFIG_SYS_SPL_MALLOC_START,
693 CONFIG_SYS_SPL_MALLOC_SIZE);
694 gd->flags |= GD_FLG_FULL_MALLOC_INIT;
695#endif
696 if (!(gd->flags & GD_FLG_SPL_INIT)) {
697 if (spl_init())
698 hang();
699 }
700#if !defined(CONFIG_PPC) && !defined(CONFIG_ARCH_MX6)
701
702
703
704
705 timer_init();
706#endif
707 if (CONFIG_IS_ENABLED(BLOBLIST)) {
708 ret = bloblist_init();
709 if (ret) {
710 debug("%s: Failed to set up bloblist: ret=%d\n",
711 __func__, ret);
712 puts(SPL_TPL_PROMPT "Cannot set up bloblist\n");
713 hang();
714 }
715 }
716 if (CONFIG_IS_ENABLED(HANDOFF)) {
717 int ret;
718
719 ret = setup_spl_handoff();
720 if (ret) {
721 puts(SPL_TPL_PROMPT "Cannot set up SPL handoff\n");
722 hang();
723 }
724 }
725
726#if CONFIG_IS_ENABLED(BOARD_INIT)
727 spl_board_init();
728#endif
729
730#if defined(CONFIG_SPL_WATCHDOG) && CONFIG_IS_ENABLED(WDT)
731 initr_watchdog();
732#endif
733
734 if (IS_ENABLED(CONFIG_SPL_OS_BOOT) || CONFIG_IS_ENABLED(HANDOFF) ||
735 IS_ENABLED(CONFIG_SPL_ATF))
736 dram_init_banksize();
737
738 bootcount_inc();
739
740 memset(&spl_image, '\0', sizeof(spl_image));
741#ifdef CONFIG_SYS_SPL_ARGS_ADDR
742 spl_image.arg = (void *)CONFIG_SYS_SPL_ARGS_ADDR;
743#endif
744 spl_image.boot_device = BOOT_DEVICE_NONE;
745 board_boot_order(spl_boot_list);
746
747 ret = boot_from_devices(&spl_image, spl_boot_list,
748 ARRAY_SIZE(spl_boot_list));
749 if (ret) {
750 if (CONFIG_IS_ENABLED(SHOW_ERRORS) &&
751 CONFIG_IS_ENABLED(LIBCOMMON_SUPPORT))
752 printf(SPL_TPL_PROMPT "failed to boot from all boot devices (err=%d)\n",
753 ret);
754 else
755 puts(SPL_TPL_PROMPT "failed to boot from all boot devices\n");
756 hang();
757 }
758
759 spl_perform_fixups(&spl_image);
760 if (CONFIG_IS_ENABLED(HANDOFF)) {
761 ret = write_spl_handoff();
762 if (ret)
763 printf(SPL_TPL_PROMPT
764 "SPL hand-off write failed (err=%d)\n", ret);
765 }
766 if (CONFIG_IS_ENABLED(BLOBLIST)) {
767 ret = bloblist_finish();
768 if (ret)
769 printf("Warning: Failed to finish bloblist (ret=%d)\n",
770 ret);
771 }
772
773#ifdef CONFIG_CPU_V7M
774 spl_image.entry_point |= 0x1;
775#endif
776 switch (spl_image.os) {
777 case IH_OS_U_BOOT:
778 debug("Jumping to %s...\n", spl_phase_name(spl_next_phase()));
779 break;
780#if CONFIG_IS_ENABLED(ATF)
781 case IH_OS_ARM_TRUSTED_FIRMWARE:
782 debug("Jumping to U-Boot via ARM Trusted Firmware\n");
783 spl_fixup_fdt(spl_image.fdt_addr);
784 spl_invoke_atf(&spl_image);
785 break;
786#endif
787#if CONFIG_IS_ENABLED(OPTEE_IMAGE)
788 case IH_OS_TEE:
789 debug("Jumping to U-Boot via OP-TEE\n");
790 spl_board_prepare_for_optee(spl_image.fdt_addr);
791 jump_to_image_optee(&spl_image);
792 break;
793#endif
794#if CONFIG_IS_ENABLED(OPENSBI)
795 case IH_OS_OPENSBI:
796 debug("Jumping to U-Boot via RISC-V OpenSBI\n");
797 spl_invoke_opensbi(&spl_image);
798 break;
799#endif
800#if CONFIG_IS_ENABLED(OS_BOOT)
801 case IH_OS_LINUX:
802 debug("Jumping to Linux\n");
803#if defined(CONFIG_SYS_SPL_ARGS_ADDR)
804 spl_fixup_fdt((void *)CONFIG_SYS_SPL_ARGS_ADDR);
805#endif
806 spl_board_prepare_for_linux();
807 jump_to_image_linux(&spl_image);
808#endif
809 default:
810 debug("Unsupported OS image.. Jumping nevertheless..\n");
811 }
812#if CONFIG_VAL(SYS_MALLOC_F_LEN) && !defined(CONFIG_SYS_SPL_MALLOC_SIZE)
813 debug("SPL malloc() used 0x%lx bytes (%ld KB)\n", gd->malloc_ptr,
814 gd->malloc_ptr / 1024);
815#endif
816 bootstage_mark_name(get_bootstage_id(false), "end phase");
817#ifdef CONFIG_BOOTSTAGE_STASH
818 ret = bootstage_stash((void *)CONFIG_BOOTSTAGE_STASH_ADDR,
819 CONFIG_BOOTSTAGE_STASH_SIZE);
820 if (ret)
821 debug("Failed to stash bootstage: err=%d\n", ret);
822#endif
823
824 spl_board_prepare_for_boot();
825 jump_to_image_no_args(&spl_image);
826}
827
828
829
830
831
832void preloader_console_init(void)
833{
834#ifdef CONFIG_SPL_SERIAL
835 gd->baudrate = CONFIG_BAUDRATE;
836
837 serial_init();
838
839 gd->have_console = 1;
840
841#if CONFIG_IS_ENABLED(BANNER_PRINT)
842 puts("\nU-Boot " SPL_TPL_NAME " " PLAIN_VERSION " (" U_BOOT_DATE " - "
843 U_BOOT_TIME " " U_BOOT_TZ ")\n");
844#endif
845#ifdef CONFIG_SPL_DISPLAY_PRINT
846 spl_display_print();
847#endif
848#endif
849}
850
851
852
853
854
855__weak void spl_relocate_stack_check(void)
856{
857#if CONFIG_IS_ENABLED(SYS_REPORT_STACK_F_USAGE)
858 ulong init_sp = gd->start_addr_sp;
859 ulong stack_bottom = init_sp - CONFIG_VAL(SIZE_LIMIT_PROVIDE_STACK);
860 u8 *ptr = (u8 *)stack_bottom;
861 ulong i;
862
863 for (i = 0; i < CONFIG_VAL(SIZE_LIMIT_PROVIDE_STACK); i++) {
864 if (*ptr != CONFIG_VAL(SYS_STACK_F_CHECK_BYTE))
865 break;
866 ptr++;
867 }
868 printf("SPL initial stack usage: %lu bytes\n",
869 CONFIG_VAL(SIZE_LIMIT_PROVIDE_STACK) - i);
870#endif
871}
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891ulong spl_relocate_stack_gd(void)
892{
893#ifdef CONFIG_SPL_STACK_R
894 gd_t *new_gd;
895 ulong ptr = CONFIG_SPL_STACK_R_ADDR;
896
897 if (CONFIG_IS_ENABLED(SYS_REPORT_STACK_F_USAGE))
898 spl_relocate_stack_check();
899
900#if defined(CONFIG_SPL_SYS_MALLOC_SIMPLE) && CONFIG_VAL(SYS_MALLOC_F_LEN)
901 if (CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN) {
902 debug("SPL malloc() before relocation used 0x%lx bytes (%ld KB)\n",
903 gd->malloc_ptr, gd->malloc_ptr / 1024);
904 ptr -= CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN;
905 gd->malloc_base = ptr;
906 gd->malloc_limit = CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN;
907 gd->malloc_ptr = 0;
908 }
909#endif
910
911 ptr = CONFIG_SPL_STACK_R_ADDR - roundup(sizeof(gd_t),16);
912 new_gd = (gd_t *)ptr;
913 memcpy(new_gd, (void *)gd, sizeof(gd_t));
914#if CONFIG_IS_ENABLED(DM)
915 dm_fixup_for_gd_move(new_gd);
916#endif
917#if !defined(CONFIG_ARM) && !defined(CONFIG_RISCV)
918 gd = new_gd;
919#endif
920 return ptr;
921#else
922 return 0;
923#endif
924}
925
926#if defined(CONFIG_BOOTCOUNT_LIMIT) && \
927 ((!defined(CONFIG_TPL_BUILD) && !defined(CONFIG_SPL_BOOTCOUNT_LIMIT)) || \
928 (defined(CONFIG_TPL_BUILD) && !defined(CONFIG_TPL_BOOTCOUNT_LIMIT)))
929void bootcount_store(ulong a)
930{
931}
932
933ulong bootcount_load(void)
934{
935 return 0;
936}
937#endif
938