1 // SPDX-License-Identifier: GPL-2.0+
4 * Texas Instruments, <www.ti.com>
6 * Aneesh V <aneesh@ti.com>
11 #include <binman_sym.h>
12 #include <bootstage.h>
22 #include <system-constants.h>
23 #include <asm/global_data.h>
24 #include <asm-generic/gpio.h>
25 #include <asm/u-boot.h>
28 #include <u-boot/crc.h>
29 #if CONFIG_IS_ENABLED(BANNER_PRINT)
30 #include <timestamp.h>
38 #include <dm/device-internal.h>
39 #include <dm/uclass-internal.h>
40 #include <linux/compiler.h>
41 #include <fdt_support.h>
42 #include <bootcount.h>
45 DECLARE_GLOBAL_DATA_PTR;
46 DECLARE_BINMAN_MAGIC_SYM;
48 #ifndef CFG_SYS_UBOOT_START
49 #define CFG_SYS_UBOOT_START CONFIG_TEXT_BASE
52 u32 *boot_params_ptr = NULL;
54 #if CONFIG_IS_ENABLED(BINMAN_UBOOT_SYMBOLS)
55 /* See spl.h for information about this */
56 binman_sym_declare(ulong, u_boot_any, image_pos);
57 binman_sym_declare(ulong, u_boot_any, size);
60 binman_sym_declare(ulong, u_boot_spl_any, image_pos);
61 binman_sym_declare(ulong, u_boot_spl_any, size);
65 binman_sym_declare(ulong, u_boot_vpl_any, image_pos);
66 binman_sym_declare(ulong, u_boot_vpl_any, size);
69 #endif /* BINMAN_UBOOT_SYMBOLS */
71 /* Define board data structure */
72 static struct bd_info bdata __attribute__ ((section(".data")));
74 #if CONFIG_IS_ENABLED(SHOW_BOOT_PROGRESS)
76 * Board-specific Platform code can reimplement show_boot_progress () if needed
78 __weak void show_boot_progress(int val) {}
81 #if defined(CONFIG_SPL_OS_BOOT) || CONFIG_IS_ENABLED(HANDOFF) || \
82 defined(CONFIG_SPL_ATF)
83 /* weak, default platform-specific function to initialize dram banks */
84 __weak int dram_init_banksize(void)
91 * Default function to determine if u-boot or the OS should
92 * be started. This implementation always returns 1.
94 * Please implement your own board specific funcion to do this.
97 * 0 to not start u-boot
98 * positive if u-boot should start
100 #if CONFIG_IS_ENABLED(OS_BOOT)
101 __weak int spl_start_uboot(void)
104 "Please implement spl_start_uboot() for your board\n");
105 puts(SPL_TPL_PROMPT "Direct Linux boot not active!\n");
110 * Weak default function for arch specific zImage check. Return zero
111 * and fill start and end address if image is recognized.
113 int __weak bootz_setup(ulong image, ulong *start, ulong *end)
118 int __weak booti_setup(ulong image, ulong *relocated_addr, ulong *size, bool force_reloc)
124 /* Weak default function for arch/board-specific fixups to the spl_image_info */
125 void __weak spl_perform_fixups(struct spl_image_info *spl_image)
129 void spl_fixup_fdt(void *fdt_blob)
131 #if defined(CONFIG_SPL_OF_LIBFDT)
137 err = fdt_check_header(fdt_blob);
139 printf("fdt_root: %s\n", fdt_strerror(err));
143 /* fixup the memory dt node */
144 err = fdt_shrink_to_minimum(fdt_blob, 0);
146 printf(SPL_TPL_PROMPT "fdt_shrink_to_minimum err - %d\n", err);
150 err = arch_fixup_fdt(fdt_blob);
152 printf(SPL_TPL_PROMPT "arch_fixup_fdt err - %d\n", err);
158 ulong spl_get_image_pos(void)
160 if (!CONFIG_IS_ENABLED(BINMAN_UBOOT_SYMBOLS))
161 return BINMAN_SYM_MISSING;
164 if (spl_next_phase() == PHASE_VPL)
165 return binman_sym(ulong, u_boot_vpl_any, image_pos);
167 return spl_next_phase() == PHASE_SPL ?
168 binman_sym(ulong, u_boot_spl_any, image_pos) :
169 binman_sym(ulong, u_boot_any, image_pos);
172 ulong spl_get_image_size(void)
174 if (!CONFIG_IS_ENABLED(BINMAN_UBOOT_SYMBOLS))
175 return BINMAN_SYM_MISSING;
178 if (spl_next_phase() == PHASE_VPL)
179 return binman_sym(ulong, u_boot_vpl_any, size);
181 return spl_next_phase() == PHASE_SPL ?
182 binman_sym(ulong, u_boot_spl_any, size) :
183 binman_sym(ulong, u_boot_any, size);
186 ulong spl_get_image_text_base(void)
189 if (spl_next_phase() == PHASE_VPL)
190 return CONFIG_VPL_TEXT_BASE;
192 return spl_next_phase() == PHASE_SPL ? CONFIG_SPL_TEXT_BASE :
197 * Weak default function for board specific cleanup/preparation before
198 * Linux boot. Some boards/platforms might not need it, so just provide
199 * an empty stub here.
201 __weak void spl_board_prepare_for_linux(void)
206 __weak void spl_board_prepare_for_optee(void *fdt)
210 __weak const char *spl_board_loader_name(u32 boot_device)
215 #if CONFIG_IS_ENABLED(OPTEE_IMAGE)
216 __weak void __noreturn jump_to_image_optee(struct spl_image_info *spl_image)
218 spl_optee_entry(NULL, NULL, spl_image->fdt_addr,
219 (void *)spl_image->entry_point);
223 __weak void spl_board_prepare_for_boot(void)
228 __weak struct legacy_img_hdr *spl_get_load_buffer(ssize_t offset, size_t size)
230 return map_sysmem(CONFIG_TEXT_BASE + offset, 0);
233 #ifdef CONFIG_SPL_RAW_IMAGE_SUPPORT
234 void spl_set_header_raw_uboot(struct spl_image_info *spl_image)
236 ulong u_boot_pos = spl_get_image_pos();
238 #if CONFIG_SYS_MONITOR_LEN != 0
239 spl_image->size = CONFIG_SYS_MONITOR_LEN;
241 /* Unknown U-Boot size, let's assume it will not be more than 200 KB */
242 spl_image->size = 200 * 1024;
246 * Binman error cases: address of the end of the previous region or the
247 * start of the image's entry area (usually 0) if there is no previous
250 if (u_boot_pos && u_boot_pos != BINMAN_SYM_MISSING) {
251 /* Binman does not support separated entry addresses */
252 spl_image->entry_point = u_boot_pos;
253 spl_image->load_addr = u_boot_pos;
255 spl_image->entry_point = CFG_SYS_UBOOT_START;
256 spl_image->load_addr = CONFIG_TEXT_BASE;
258 spl_image->os = IH_OS_U_BOOT;
259 spl_image->name = "U-Boot";
263 #if CONFIG_IS_ENABLED(LOAD_FIT_FULL)
264 /* Parse and load full fitImage in SPL */
265 static int spl_load_fit_image(struct spl_image_info *spl_image,
266 const struct legacy_img_hdr *header)
268 struct bootm_headers images;
269 const char *fit_uname_config = NULL;
272 ulong fw_data = 0, dt_data = 0, img_data = 0;
273 ulong fw_len = 0, dt_len = 0, img_len = 0;
274 int idx, conf_noffset;
277 #ifdef CONFIG_SPL_FIT_SIGNATURE
280 ret = fit_image_load(&images, (ulong)header,
281 NULL, &fit_uname_config,
282 IH_ARCH_DEFAULT, IH_TYPE_STANDALONE, -1,
283 FIT_LOAD_OPTIONAL, &fw_data, &fw_len);
285 printf("DEPRECATED: 'standalone = ' property.");
286 printf("Please use either 'firmware =' or 'kernel ='\n");
288 ret = fit_image_load(&images, (ulong)header, NULL,
289 &fit_uname_config, IH_ARCH_DEFAULT,
290 IH_TYPE_FIRMWARE, -1, FIT_LOAD_OPTIONAL,
295 ret = fit_image_load(&images, (ulong)header, NULL,
296 &fit_uname_config, IH_ARCH_DEFAULT,
297 IH_TYPE_KERNEL, -1, FIT_LOAD_OPTIONAL,
304 spl_image->size = fw_len;
305 spl_image->entry_point = fw_data;
306 spl_image->load_addr = fw_data;
307 if (fit_image_get_os(header, ret, &spl_image->os))
308 spl_image->os = IH_OS_INVALID;
309 spl_image->name = genimg_get_os_name(spl_image->os);
311 debug(SPL_TPL_PROMPT "payload image: %32s load addr: 0x%lx size: %d\n",
312 spl_image->name, spl_image->load_addr, spl_image->size);
314 #ifdef CONFIG_SPL_FIT_SIGNATURE
317 ret = fit_image_load(&images, (ulong)header, NULL, &fit_uname_config,
318 IH_ARCH_DEFAULT, IH_TYPE_FLATDT, -1,
319 FIT_LOAD_OPTIONAL, &dt_data, &dt_len);
321 spl_image->fdt_addr = (void *)dt_data;
323 if (spl_image->os == IH_OS_U_BOOT) {
324 /* HACK: U-Boot expects FDT at a specific address */
325 fdt_hack = spl_image->load_addr + spl_image->size;
326 fdt_hack = (fdt_hack + 3) & ~3;
327 debug("Relocating FDT to %p\n", spl_image->fdt_addr);
328 memcpy((void *)fdt_hack, spl_image->fdt_addr, dt_len);
332 conf_noffset = fit_conf_get_node((const void *)header,
334 if (conf_noffset < 0)
338 uname = fdt_stringlist_get((const void *)header, conf_noffset,
339 FIT_LOADABLE_PROP, idx,
343 #ifdef CONFIG_SPL_FIT_SIGNATURE
346 ret = fit_image_load(&images, (ulong)header,
347 &uname, &fit_uname_config,
348 IH_ARCH_DEFAULT, IH_TYPE_LOADABLE, -1,
349 FIT_LOAD_OPTIONAL_NON_ZERO,
350 &img_data, &img_len);
359 __weak int spl_parse_board_header(struct spl_image_info *spl_image,
360 const struct spl_boot_device *bootdev,
361 const void *image_header, size_t size)
366 __weak int spl_parse_legacy_header(struct spl_image_info *spl_image,
367 const struct legacy_img_hdr *header)
369 /* LEGACY image not supported */
370 debug("Legacy boot image support not enabled, proceeding to other boot methods\n");
374 int spl_parse_image_header(struct spl_image_info *spl_image,
375 const struct spl_boot_device *bootdev,
376 const struct legacy_img_hdr *header)
378 #if CONFIG_IS_ENABLED(LOAD_FIT_FULL)
379 int ret = spl_load_fit_image(spl_image, header);
384 if (image_get_magic(header) == IH_MAGIC) {
387 ret = spl_parse_legacy_header(spl_image, header);
391 #ifdef CONFIG_SPL_PANIC_ON_RAW_IMAGE
393 * CONFIG_SPL_PANIC_ON_RAW_IMAGE is defined when the
394 * code which loads images in SPL cannot guarantee that
395 * absolutely all read errors will be reported.
396 * An example is the LPC32XX MLC NAND driver, which
397 * will consider that a completely unreadable NAND block
398 * is bad, and thus should be skipped silently.
400 panic("** no mkimage signature but raw image not supported");
403 #if CONFIG_IS_ENABLED(OS_BOOT)
404 #if defined(CMD_BOOTI)
407 if (!booti_setup((ulong)header, &start, &size, 0)) {
408 spl_image->name = "Linux";
409 spl_image->os = IH_OS_LINUX;
410 spl_image->load_addr = start;
411 spl_image->entry_point = start;
412 spl_image->size = size;
414 "payload Image, load addr: 0x%lx size: %d\n",
415 spl_image->load_addr, spl_image->size);
418 #elif defined(CMD_BOOTZ)
421 if (!bootz_setup((ulong)header, &start, &end)) {
422 spl_image->name = "Linux";
423 spl_image->os = IH_OS_LINUX;
424 spl_image->load_addr = CONFIG_SYS_LOAD_ADDR;
425 spl_image->entry_point = CONFIG_SYS_LOAD_ADDR;
426 spl_image->size = end - start;
428 "payload zImage, load addr: 0x%lx size: %d\n",
429 spl_image->load_addr, spl_image->size);
435 if (!spl_parse_board_header(spl_image, bootdev, (const void *)header, sizeof(*header)))
438 #ifdef CONFIG_SPL_RAW_IMAGE_SUPPORT
439 /* Signature not found - assume u-boot.bin */
440 debug("mkimage signature not found - ih_magic = %x\n",
442 spl_set_header_raw_uboot(spl_image);
444 /* RAW image not supported, proceed to other boot methods. */
445 debug("Raw boot image support not enabled, proceeding to other boot methods\n");
453 __weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
455 typedef void __noreturn (*image_entry_noargs_t)(void);
457 image_entry_noargs_t image_entry =
458 (image_entry_noargs_t)spl_image->entry_point;
460 debug("image entry point: 0x%lx\n", spl_image->entry_point);
464 #if CONFIG_IS_ENABLED(HANDOFF)
466 * Set up the SPL hand-off information
468 * This is initially empty (zero) but can be written by
470 static int setup_spl_handoff(void)
472 struct spl_handoff *ho;
474 ho = bloblist_ensure(BLOBLISTT_U_BOOT_SPL_HANDOFF, sizeof(struct spl_handoff));
481 __weak int handoff_arch_save(struct spl_handoff *ho)
486 static int write_spl_handoff(void)
488 struct spl_handoff *ho;
491 ho = bloblist_find(BLOBLISTT_U_BOOT_SPL_HANDOFF, sizeof(struct spl_handoff));
494 handoff_save_dram(ho);
495 ret = handoff_arch_save(ho);
498 debug(SPL_TPL_PROMPT "Wrote SPL handoff\n");
503 static inline int setup_spl_handoff(void) { return 0; }
504 static inline int write_spl_handoff(void) { return 0; }
509 * get_bootstage_id() - Get the bootstage ID to emit
511 * @start: true if this is for starting SPL, false for ending it
512 * Return: bootstage ID to use
514 static enum bootstage_id get_bootstage_id(bool start)
516 enum u_boot_phase phase = spl_phase();
518 if (IS_ENABLED(CONFIG_TPL_BUILD) && phase == PHASE_TPL)
519 return start ? BOOTSTAGE_ID_START_TPL : BOOTSTAGE_ID_END_TPL;
520 else if (IS_ENABLED(CONFIG_VPL_BUILD) && phase == PHASE_VPL)
521 return start ? BOOTSTAGE_ID_START_VPL : BOOTSTAGE_ID_END_VPL;
523 return start ? BOOTSTAGE_ID_START_SPL : BOOTSTAGE_ID_END_SPL;
526 static int spl_common_init(bool setup_malloc)
530 #if CONFIG_VAL(SYS_MALLOC_F_LEN)
532 #ifdef CFG_MALLOC_F_ADDR
533 gd->malloc_base = CFG_MALLOC_F_ADDR;
535 gd->malloc_limit = CONFIG_VAL(SYS_MALLOC_F_LEN);
539 ret = bootstage_init(u_boot_first_phase());
541 debug("%s: Failed to set up bootstage: ret=%d\n", __func__,
545 #ifdef CONFIG_BOOTSTAGE_STASH
546 if (!u_boot_first_phase()) {
547 const void *stash = map_sysmem(CONFIG_BOOTSTAGE_STASH_ADDR,
548 CONFIG_BOOTSTAGE_STASH_SIZE);
550 ret = bootstage_unstash(stash, CONFIG_BOOTSTAGE_STASH_SIZE);
552 debug("%s: Failed to unstash bootstage: ret=%d\n",
555 #endif /* CONFIG_BOOTSTAGE_STASH */
556 bootstage_mark_name(get_bootstage_id(true),
557 spl_phase_name(spl_phase()));
558 #if CONFIG_IS_ENABLED(LOG)
561 debug("%s: Failed to set up logging\n", __func__);
565 if (CONFIG_IS_ENABLED(OF_REAL)) {
566 ret = fdtdec_setup();
568 debug("fdtdec_setup() returned error %d\n", ret);
572 if (CONFIG_IS_ENABLED(DM)) {
573 bootstage_start(BOOTSTAGE_ID_ACCUM_DM_SPL,
574 spl_phase() == PHASE_TPL ? "dm tpl" : "dm_spl");
575 /* With CONFIG_SPL_OF_PLATDATA, bring in all devices */
576 ret = dm_init_and_scan(!CONFIG_IS_ENABLED(OF_PLATDATA));
577 bootstage_accum(BOOTSTAGE_ID_ACCUM_DM_SPL);
579 debug("dm_init_and_scan() returned error %d\n", ret);
587 void spl_set_bd(void)
590 * NOTE: On some platforms (e.g. x86) bdata may be in flash and not
597 int spl_early_init(void)
601 debug("%s\n", __func__);
603 ret = spl_common_init(true);
606 gd->flags |= GD_FLG_SPL_EARLY_INIT;
614 bool setup_malloc = !(IS_ENABLED(CONFIG_SPL_STACK_R) &&
615 IS_ENABLED(CONFIG_SPL_SYS_MALLOC_SIMPLE));
617 debug("%s\n", __func__);
619 if (!(gd->flags & GD_FLG_SPL_EARLY_INIT)) {
620 ret = spl_common_init(setup_malloc);
624 gd->flags |= GD_FLG_SPL_INIT;
629 #ifndef BOOT_DEVICE_NONE
630 #define BOOT_DEVICE_NONE 0xdeadbeef
633 __weak void board_boot_order(u32 *spl_boot_list)
635 spl_boot_list[0] = spl_boot_device();
638 __weak int spl_check_board_image(struct spl_image_info *spl_image,
639 const struct spl_boot_device *bootdev)
644 static int spl_load_image(struct spl_image_info *spl_image,
645 struct spl_image_loader *loader)
648 struct spl_boot_device bootdev;
650 bootdev.boot_device = loader->boot_device;
651 bootdev.boot_device_name = NULL;
653 ret = loader->load_image(spl_image, &bootdev);
654 #ifdef CONFIG_SPL_LEGACY_IMAGE_CRC_CHECK
655 if (!ret && spl_image->dcrc_length) {
657 ulong dcrc = crc32_wd(0, (unsigned char *)spl_image->dcrc_data,
658 spl_image->dcrc_length, CHUNKSZ_CRC32);
659 if (dcrc != spl_image->dcrc) {
660 puts("SPL: Image data CRC check failed!\n");
666 ret = spl_check_board_image(spl_image, &bootdev);
672 * boot_from_devices() - Try loading a booting U-Boot from a list of devices
674 * @spl_image: Place to put the image details if successful
675 * @spl_boot_list: List of boot devices to try
676 * @count: Number of elements in spl_boot_list
677 * Return: 0 if OK, -ENODEV if there were no boot devices
678 * if CONFIG_SHOW_ERRORS is enabled, returns -ENXIO if there were
679 * devices but none worked
681 static int boot_from_devices(struct spl_image_info *spl_image,
682 u32 spl_boot_list[], int count)
684 struct spl_image_loader *drv =
685 ll_entry_start(struct spl_image_loader, spl_image_loader);
687 ll_entry_count(struct spl_image_loader, spl_image_loader);
691 for (i = 0; i < count && spl_boot_list[i] != BOOT_DEVICE_NONE; i++) {
692 struct spl_image_loader *loader;
693 int bootdev = spl_boot_list[i];
695 if (CONFIG_IS_ENABLED(SHOW_ERRORS))
697 for (loader = drv; loader != drv + n_ents; loader++) {
698 if (bootdev != loader->boot_device)
700 if (!CONFIG_IS_ENABLED(SILENT_CONSOLE)) {
702 printf("Trying to boot from %s\n",
703 spl_loader_name(loader));
704 else if (CONFIG_IS_ENABLED(SHOW_ERRORS)) {
705 printf(SPL_TPL_PROMPT
706 "Unsupported Boot Device %d\n",
710 "Unsupported Boot Device!\n");
714 !spl_load_image(spl_image, loader)) {
715 spl_image->boot_device = bootdev;
724 #if defined(CONFIG_SPL_FRAMEWORK_BOARD_INIT_F)
725 void board_init_f(ulong dummy)
727 if (CONFIG_IS_ENABLED(OF_CONTROL)) {
730 ret = spl_early_init();
732 debug("spl_early_init() failed: %d\n", ret);
737 preloader_console_init();
741 void board_init_r(gd_t *dummy1, ulong dummy2)
743 u32 spl_boot_list[] = {
750 struct spl_image_info spl_image;
753 debug(">>" SPL_TPL_PROMPT "board_init_r()\n");
757 #if defined(CONFIG_SYS_SPL_MALLOC)
758 mem_malloc_init(SYS_SPL_MALLOC_START, CONFIG_SYS_SPL_MALLOC_SIZE);
759 gd->flags |= GD_FLG_FULL_MALLOC_INIT;
761 if (!(gd->flags & GD_FLG_SPL_INIT)) {
765 #if !defined(CONFIG_PPC) && !defined(CONFIG_ARCH_MX6)
767 * timer_init() does not exist on PPC systems. The timer is initialized
768 * and enabled (decrementer) in interrupt_init() here.
772 if (CONFIG_IS_ENABLED(BLOBLIST)) {
773 ret = bloblist_init();
775 debug("%s: Failed to set up bloblist: ret=%d\n",
777 puts(SPL_TPL_PROMPT "Cannot set up bloblist\n");
781 if (CONFIG_IS_ENABLED(HANDOFF)) {
784 ret = setup_spl_handoff();
786 puts(SPL_TPL_PROMPT "Cannot set up SPL handoff\n");
791 #if CONFIG_IS_ENABLED(BOARD_INIT)
795 #if defined(CONFIG_SPL_WATCHDOG) && CONFIG_IS_ENABLED(WDT)
799 if (IS_ENABLED(CONFIG_SPL_OS_BOOT) || CONFIG_IS_ENABLED(HANDOFF) ||
800 IS_ENABLED(CONFIG_SPL_ATF))
801 dram_init_banksize();
803 if (CONFIG_IS_ENABLED(PCI)) {
806 puts(SPL_TPL_PROMPT "Cannot initialize PCI\n");
807 /* Don't fail. We still can try other boot methods. */
812 /* Dump driver model states to aid analysis */
813 if (CONFIG_IS_ENABLED(DM_STATS)) {
820 memset(&spl_image, '\0', sizeof(spl_image));
821 #ifdef CONFIG_SYS_SPL_ARGS_ADDR
822 spl_image.arg = (void *)CONFIG_SYS_SPL_ARGS_ADDR;
824 spl_image.boot_device = BOOT_DEVICE_NONE;
825 board_boot_order(spl_boot_list);
827 ret = boot_from_devices(&spl_image, spl_boot_list,
828 ARRAY_SIZE(spl_boot_list));
830 if (CONFIG_IS_ENABLED(SHOW_ERRORS) &&
831 CONFIG_IS_ENABLED(LIBCOMMON_SUPPORT))
832 printf(SPL_TPL_PROMPT "failed to boot from all boot devices (err=%d)\n",
835 puts(SPL_TPL_PROMPT "failed to boot from all boot devices\n");
839 spl_perform_fixups(&spl_image);
840 if (CONFIG_IS_ENABLED(HANDOFF)) {
841 ret = write_spl_handoff();
843 printf(SPL_TPL_PROMPT
844 "SPL hand-off write failed (err=%d)\n", ret);
846 if (CONFIG_IS_ENABLED(BLOBLIST)) {
847 ret = bloblist_finish();
849 printf("Warning: Failed to finish bloblist (ret=%d)\n",
853 switch (spl_image.os) {
855 debug("Jumping to %s...\n", spl_phase_name(spl_next_phase()));
857 #if CONFIG_IS_ENABLED(ATF)
858 case IH_OS_ARM_TRUSTED_FIRMWARE:
859 debug("Jumping to U-Boot via ARM Trusted Firmware\n");
860 spl_fixup_fdt(spl_image.fdt_addr);
861 spl_invoke_atf(&spl_image);
864 #if CONFIG_IS_ENABLED(OPTEE_IMAGE)
866 debug("Jumping to U-Boot via OP-TEE\n");
867 spl_board_prepare_for_optee(spl_image.fdt_addr);
868 jump_to_image_optee(&spl_image);
871 #if CONFIG_IS_ENABLED(OPENSBI)
873 debug("Jumping to U-Boot via RISC-V OpenSBI\n");
874 spl_invoke_opensbi(&spl_image);
877 #if CONFIG_IS_ENABLED(OS_BOOT)
879 debug("Jumping to Linux\n");
880 #if defined(CONFIG_SYS_SPL_ARGS_ADDR)
881 spl_fixup_fdt((void *)CONFIG_SYS_SPL_ARGS_ADDR);
883 spl_board_prepare_for_linux();
884 jump_to_image_linux(&spl_image);
887 debug("Unsupported OS image.. Jumping nevertheless..\n");
889 #if CONFIG_VAL(SYS_MALLOC_F_LEN) && !defined(CONFIG_SYS_SPL_MALLOC_SIZE)
890 debug("SPL malloc() used 0x%lx bytes (%ld KB)\n", gd->malloc_ptr,
891 gd->malloc_ptr / 1024);
893 bootstage_mark_name(get_bootstage_id(false), "end phase");
894 #ifdef CONFIG_BOOTSTAGE_STASH
895 ret = bootstage_stash((void *)CONFIG_BOOTSTAGE_STASH_ADDR,
896 CONFIG_BOOTSTAGE_STASH_SIZE);
898 debug("Failed to stash bootstage: err=%d\n", ret);
901 if (IS_ENABLED(CONFIG_SPL_VIDEO_REMOVE)) {
905 rc = uclass_find_device(UCLASS_VIDEO, 0, &dev);
907 rc = device_remove(dev, DM_REMOVE_NORMAL);
909 printf("Cannot remove video device '%s' (err=%d)\n",
914 spl_board_prepare_for_boot();
915 jump_to_image_no_args(&spl_image);
919 * This requires UART clocks to be enabled. In order for this to work the
920 * caller must ensure that the gd pointer is valid.
922 void preloader_console_init(void)
924 #ifdef CONFIG_SPL_SERIAL
925 gd->baudrate = CONFIG_BAUDRATE;
927 serial_init(); /* serial communications setup */
929 gd->have_console = 1;
931 #if CONFIG_IS_ENABLED(BANNER_PRINT)
932 puts("\nU-Boot " SPL_TPL_NAME " " PLAIN_VERSION " (" U_BOOT_DATE " - "
933 U_BOOT_TIME " " U_BOOT_TZ ")\n");
935 #ifdef CONFIG_SPL_DISPLAY_PRINT
942 * This function is called before the stack is changed from initial stack to
943 * relocated stack. It tries to dump the stack size used
945 __weak void spl_relocate_stack_check(void)
947 #if CONFIG_IS_ENABLED(SYS_REPORT_STACK_F_USAGE)
948 ulong init_sp = gd->start_addr_sp;
949 ulong stack_bottom = init_sp - CONFIG_VAL(SIZE_LIMIT_PROVIDE_STACK);
950 u8 *ptr = (u8 *)stack_bottom;
953 for (i = 0; i < CONFIG_VAL(SIZE_LIMIT_PROVIDE_STACK); i++) {
954 if (*ptr != CONFIG_VAL(SYS_STACK_F_CHECK_BYTE))
958 printf("SPL initial stack usage: %lu bytes\n",
959 CONFIG_VAL(SIZE_LIMIT_PROVIDE_STACK) - i);
964 * spl_relocate_stack_gd() - Relocate stack ready for board_init_r() execution
966 * Sometimes board_init_f() runs with a stack in SRAM but we want to use SDRAM
967 * for the main board_init_r() execution. This is typically because we need
968 * more stack space for things like the MMC sub-system.
970 * This function calculates the stack position, copies the global_data into
971 * place, sets the new gd (except for ARM, for which setting GD within a C
972 * function may not always work) and returns the new stack position. The
973 * caller is responsible for setting up the sp register and, in the case
974 * of ARM, setting up gd.
976 * All of this is done using the same layout and alignments as done in
977 * board_init_f_init_reserve() / board_init_f_alloc_reserve().
979 * Return: new stack location, or 0 to use the same stack
981 ulong spl_relocate_stack_gd(void)
983 #ifdef CONFIG_SPL_STACK_R
985 ulong ptr = CONFIG_SPL_STACK_R_ADDR;
987 if (CONFIG_IS_ENABLED(SYS_REPORT_STACK_F_USAGE))
988 spl_relocate_stack_check();
990 #if defined(CONFIG_SPL_SYS_MALLOC_SIMPLE) && CONFIG_VAL(SYS_MALLOC_F_LEN)
991 if (CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN) {
992 debug("SPL malloc() before relocation used 0x%lx bytes (%ld KB)\n",
993 gd->malloc_ptr, gd->malloc_ptr / 1024);
994 ptr -= CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN;
995 gd->malloc_base = ptr;
996 gd->malloc_limit = CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN;
1000 /* Get stack position: use 8-byte alignment for ABI compliance */
1001 ptr = CONFIG_SPL_STACK_R_ADDR - roundup(sizeof(gd_t),16);
1002 gd->start_addr_sp = ptr;
1003 new_gd = (gd_t *)ptr;
1004 memcpy(new_gd, (void *)gd, sizeof(gd_t));
1005 #if CONFIG_IS_ENABLED(DM)
1006 dm_fixup_for_gd_move(new_gd);
1008 #if !defined(CONFIG_ARM) && !defined(CONFIG_RISCV)
1017 #if defined(CONFIG_BOOTCOUNT_LIMIT) && \
1018 ((!defined(CONFIG_TPL_BUILD) && !defined(CONFIG_SPL_BOOTCOUNT_LIMIT)) || \
1019 (defined(CONFIG_TPL_BUILD) && !defined(CONFIG_TPL_BOOTCOUNT_LIMIT)))
1020 void bootcount_store(ulong a)
1024 ulong bootcount_load(void)