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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * (C) Copyright 2010
- * Texas Instruments, <www.ti.com>
- *
- * Aneesh V <aneesh@ti.com>
- */
- #include <common.h>
- #include <bloblist.h>
- #include <binman_sym.h>
- #include <bootstage.h>
- #include <dm.h>
- #include <handoff.h>
- #include <hang.h>
- #include <init.h>
- #include <irq_func.h>
- #include <log.h>
- #include <mapmem.h>
- #include <serial.h>
- #include <spl.h>
- #include <asm/global_data.h>
- #include <asm/u-boot.h>
- #include <nand.h>
- #include <fat.h>
- #include <u-boot/crc.h>
- #include <version.h>
- #include <image.h>
- #include <malloc.h>
- #include <mapmem.h>
- #include <dm/root.h>
- #include <linux/compiler.h>
- #include <fdt_support.h>
- #include <bootcount.h>
- #include <wdt.h>
- DECLARE_GLOBAL_DATA_PTR;
- #ifndef CONFIG_SYS_UBOOT_START
- #define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE
- #endif
- #ifndef CONFIG_SYS_MONITOR_LEN
- /* Unknown U-Boot size, let's assume it will not be more than 200 KB */
- #define CONFIG_SYS_MONITOR_LEN (200 * 1024)
- #endif
- u32 *boot_params_ptr = NULL;
- /* See spl.h for information about this */
- binman_sym_declare(ulong, u_boot_any, image_pos);
- binman_sym_declare(ulong, u_boot_any, size);
- #ifdef CONFIG_TPL
- binman_sym_declare(ulong, spl, image_pos);
- binman_sym_declare(ulong, spl, size);
- #endif
- /* Define board data structure */
- static struct bd_info bdata __attribute__ ((section(".data")));
- #if CONFIG_IS_ENABLED(BOOTSTAGE)
- /*
- * Board-specific Platform code can reimplement show_boot_progress () if needed
- */
- __weak void show_boot_progress(int val) {}
- #endif
- #if defined(CONFIG_SPL_OS_BOOT) || CONFIG_IS_ENABLED(HANDOFF) || \
- defined(CONFIG_SPL_ATF)
- /* weak, default platform-specific function to initialize dram banks */
- __weak int dram_init_banksize(void)
- {
- return 0;
- }
- #endif
- /*
- * Default function to determine if u-boot or the OS should
- * be started. This implementation always returns 1.
- *
- * Please implement your own board specific funcion to do this.
- *
- * RETURN
- * 0 to not start u-boot
- * positive if u-boot should start
- */
- #ifdef CONFIG_SPL_OS_BOOT
- __weak int spl_start_uboot(void)
- {
- puts(SPL_TPL_PROMPT
- "Please implement spl_start_uboot() for your board\n");
- puts(SPL_TPL_PROMPT "Direct Linux boot not active!\n");
- return 1;
- }
- /*
- * Weak default function for arch specific zImage check. Return zero
- * and fill start and end address if image is recognized.
- */
- int __weak bootz_setup(ulong image, ulong *start, ulong *end)
- {
- return 1;
- }
- #endif
- /* Weak default function for arch/board-specific fixups to the spl_image_info */
- void __weak spl_perform_fixups(struct spl_image_info *spl_image)
- {
- }
- void spl_fixup_fdt(void *fdt_blob)
- {
- #if defined(CONFIG_SPL_OF_LIBFDT)
- int err;
- if (!fdt_blob)
- return;
- err = fdt_check_header(fdt_blob);
- if (err < 0) {
- printf("fdt_root: %s\n", fdt_strerror(err));
- return;
- }
- /* fixup the memory dt node */
- err = fdt_shrink_to_minimum(fdt_blob, 0);
- if (err == 0) {
- printf(SPL_TPL_PROMPT "fdt_shrink_to_minimum err - %d\n", err);
- return;
- }
- err = arch_fixup_fdt(fdt_blob);
- if (err) {
- printf(SPL_TPL_PROMPT "arch_fixup_fdt err - %d\n", err);
- return;
- }
- #endif
- }
- ulong spl_get_image_pos(void)
- {
- return spl_phase() == PHASE_TPL ?
- binman_sym(ulong, spl, image_pos) :
- binman_sym(ulong, u_boot_any, image_pos);
- }
- ulong spl_get_image_size(void)
- {
- return spl_phase() == PHASE_TPL ?
- binman_sym(ulong, spl, size) :
- binman_sym(ulong, u_boot_any, size);
- }
- ulong spl_get_image_text_base(void)
- {
- return spl_phase() == PHASE_TPL ? CONFIG_SPL_TEXT_BASE :
- CONFIG_SYS_TEXT_BASE;
- }
- /*
- * Weak default function for board specific cleanup/preparation before
- * Linux boot. Some boards/platforms might not need it, so just provide
- * an empty stub here.
- */
- __weak void spl_board_prepare_for_linux(void)
- {
- /* Nothing to do! */
- }
- __weak void spl_board_prepare_for_optee(void *fdt)
- {
- }
- __weak void spl_board_prepare_for_boot(void)
- {
- /* Nothing to do! */
- }
- __weak struct image_header *spl_get_load_buffer(ssize_t offset, size_t size)
- {
- return map_sysmem(CONFIG_SYS_TEXT_BASE + offset, 0);
- }
- void spl_set_header_raw_uboot(struct spl_image_info *spl_image)
- {
- ulong u_boot_pos = binman_sym(ulong, u_boot_any, image_pos);
- spl_image->size = CONFIG_SYS_MONITOR_LEN;
- /*
- * Binman error cases: address of the end of the previous region or the
- * start of the image's entry area (usually 0) if there is no previous
- * region.
- */
- if (u_boot_pos && u_boot_pos != BINMAN_SYM_MISSING) {
- /* Binman does not support separated entry addresses */
- spl_image->entry_point = u_boot_pos;
- spl_image->load_addr = u_boot_pos;
- } else {
- spl_image->entry_point = CONFIG_SYS_UBOOT_START;
- spl_image->load_addr = CONFIG_SYS_TEXT_BASE;
- }
- spl_image->os = IH_OS_U_BOOT;
- spl_image->name = "U-Boot";
- }
- #if CONFIG_IS_ENABLED(LOAD_FIT_FULL)
- /* Parse and load full fitImage in SPL */
- static int spl_load_fit_image(struct spl_image_info *spl_image,
- const struct image_header *header)
- {
- bootm_headers_t images;
- const char *fit_uname_config = NULL;
- uintptr_t fdt_hack;
- const char *uname;
- ulong fw_data = 0, dt_data = 0, img_data = 0;
- ulong fw_len = 0, dt_len = 0, img_len = 0;
- int idx, conf_noffset;
- int ret;
- #ifdef CONFIG_SPL_FIT_SIGNATURE
- images.verify = 1;
- #endif
- ret = fit_image_load(&images, (ulong)header,
- NULL, &fit_uname_config,
- IH_ARCH_DEFAULT, IH_TYPE_STANDALONE, -1,
- FIT_LOAD_OPTIONAL, &fw_data, &fw_len);
- if (ret >= 0) {
- printf("DEPRECATED: 'standalone = ' property.");
- printf("Please use either 'firmware =' or 'kernel ='\n");
- } else {
- ret = fit_image_load(&images, (ulong)header, NULL,
- &fit_uname_config, IH_ARCH_DEFAULT,
- IH_TYPE_FIRMWARE, -1, FIT_LOAD_OPTIONAL,
- &fw_data, &fw_len);
- }
- if (ret < 0) {
- ret = fit_image_load(&images, (ulong)header, NULL,
- &fit_uname_config, IH_ARCH_DEFAULT,
- IH_TYPE_KERNEL, -1, FIT_LOAD_OPTIONAL,
- &fw_data, &fw_len);
- }
- if (ret < 0)
- return ret;
- spl_image->size = fw_len;
- spl_image->entry_point = fw_data;
- spl_image->load_addr = fw_data;
- if (fit_image_get_os(header, ret, &spl_image->os))
- spl_image->os = IH_OS_INVALID;
- spl_image->name = genimg_get_os_name(spl_image->os);
- debug(SPL_TPL_PROMPT "payload image: %32s load addr: 0x%lx size: %d\n",
- spl_image->name, spl_image->load_addr, spl_image->size);
- #ifdef CONFIG_SPL_FIT_SIGNATURE
- images.verify = 1;
- #endif
- ret = fit_image_load(&images, (ulong)header, NULL, &fit_uname_config,
- IH_ARCH_DEFAULT, IH_TYPE_FLATDT, -1,
- FIT_LOAD_OPTIONAL, &dt_data, &dt_len);
- if (ret >= 0) {
- spl_image->fdt_addr = (void *)dt_data;
- if (spl_image->os == IH_OS_U_BOOT) {
- /* HACK: U-boot expects FDT at a specific address */
- fdt_hack = spl_image->load_addr + spl_image->size;
- fdt_hack = (fdt_hack + 3) & ~3;
- debug("Relocating FDT to %p\n", spl_image->fdt_addr);
- memcpy((void *)fdt_hack, spl_image->fdt_addr, dt_len);
- }
- }
- conf_noffset = fit_conf_get_node((const void *)header,
- fit_uname_config);
- if (conf_noffset <= 0)
- return 0;
- for (idx = 0;
- uname = fdt_stringlist_get((const void *)header, conf_noffset,
- FIT_LOADABLE_PROP, idx,
- NULL), uname;
- idx++)
- {
- #ifdef CONFIG_SPL_FIT_SIGNATURE
- images.verify = 1;
- #endif
- ret = fit_image_load(&images, (ulong)header,
- &uname, &fit_uname_config,
- IH_ARCH_DEFAULT, IH_TYPE_LOADABLE, -1,
- FIT_LOAD_OPTIONAL_NON_ZERO,
- &img_data, &img_len);
- if (ret < 0)
- return ret;
- }
- return 0;
- }
- #endif
- __weak int spl_parse_board_header(struct spl_image_info *spl_image,
- const void *image_header, size_t size)
- {
- return -EINVAL;
- }
- __weak int spl_parse_legacy_header(struct spl_image_info *spl_image,
- const struct image_header *header)
- {
- /* LEGACY image not supported */
- debug("Legacy boot image support not enabled, proceeding to other boot methods\n");
- return -EINVAL;
- }
- int spl_parse_image_header(struct spl_image_info *spl_image,
- const struct image_header *header)
- {
- #if CONFIG_IS_ENABLED(LOAD_FIT_FULL)
- int ret = spl_load_fit_image(spl_image, header);
- if (!ret)
- return ret;
- #endif
- if (image_get_magic(header) == IH_MAGIC) {
- int ret;
- ret = spl_parse_legacy_header(spl_image, header);
- if (ret)
- return ret;
- } else {
- #ifdef CONFIG_SPL_PANIC_ON_RAW_IMAGE
- /*
- * CONFIG_SPL_PANIC_ON_RAW_IMAGE is defined when the
- * code which loads images in SPL cannot guarantee that
- * absolutely all read errors will be reported.
- * An example is the LPC32XX MLC NAND driver, which
- * will consider that a completely unreadable NAND block
- * is bad, and thus should be skipped silently.
- */
- panic("** no mkimage signature but raw image not supported");
- #endif
- #ifdef CONFIG_SPL_OS_BOOT
- ulong start, end;
- if (!bootz_setup((ulong)header, &start, &end)) {
- spl_image->name = "Linux";
- spl_image->os = IH_OS_LINUX;
- spl_image->load_addr = CONFIG_SYS_LOAD_ADDR;
- spl_image->entry_point = CONFIG_SYS_LOAD_ADDR;
- spl_image->size = end - start;
- debug(SPL_TPL_PROMPT
- "payload zImage, load addr: 0x%lx size: %d\n",
- spl_image->load_addr, spl_image->size);
- return 0;
- }
- #endif
- if (!spl_parse_board_header(spl_image, (const void *)header, sizeof(*header)))
- return 0;
- #ifdef CONFIG_SPL_RAW_IMAGE_SUPPORT
- /* Signature not found - assume u-boot.bin */
- debug("mkimage signature not found - ih_magic = %x\n",
- header->ih_magic);
- spl_set_header_raw_uboot(spl_image);
- #else
- /* RAW image not supported, proceed to other boot methods. */
- debug("Raw boot image support not enabled, proceeding to other boot methods\n");
- return -EINVAL;
- #endif
- }
- return 0;
- }
- __weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
- {
- typedef void __noreturn (*image_entry_noargs_t)(void);
- image_entry_noargs_t image_entry =
- (image_entry_noargs_t)spl_image->entry_point;
- debug("image entry point: 0x%lx\n", spl_image->entry_point);
- image_entry();
- }
- #if CONFIG_IS_ENABLED(HANDOFF)
- /**
- * Set up the SPL hand-off information
- *
- * This is initially empty (zero) but can be written by
- */
- static int setup_spl_handoff(void)
- {
- struct spl_handoff *ho;
- ho = bloblist_ensure(BLOBLISTT_SPL_HANDOFF, sizeof(struct spl_handoff));
- if (!ho)
- return -ENOENT;
- return 0;
- }
- __weak int handoff_arch_save(struct spl_handoff *ho)
- {
- return 0;
- }
- static int write_spl_handoff(void)
- {
- struct spl_handoff *ho;
- int ret;
- ho = bloblist_find(BLOBLISTT_SPL_HANDOFF, sizeof(struct spl_handoff));
- if (!ho)
- return -ENOENT;
- handoff_save_dram(ho);
- ret = handoff_arch_save(ho);
- if (ret)
- return ret;
- debug(SPL_TPL_PROMPT "Wrote SPL handoff\n");
- return 0;
- }
- #else
- static inline int setup_spl_handoff(void) { return 0; }
- static inline int write_spl_handoff(void) { return 0; }
- #endif /* HANDOFF */
- /**
- * get_bootstage_id() - Get the bootstage ID to emit
- *
- * @start: true if this is for starting SPL, false for ending it
- * @return bootstage ID to use
- */
- static enum bootstage_id get_bootstage_id(bool start)
- {
- enum u_boot_phase phase = spl_phase();
- if (IS_ENABLED(CONFIG_TPL_BUILD) && phase == PHASE_TPL)
- return start ? BOOTSTAGE_ID_START_TPL : BOOTSTAGE_ID_END_TPL;
- else
- return start ? BOOTSTAGE_ID_START_SPL : BOOTSTAGE_ID_END_SPL;
- }
- static int spl_common_init(bool setup_malloc)
- {
- int ret;
- #if CONFIG_VAL(SYS_MALLOC_F_LEN)
- if (setup_malloc) {
- #ifdef CONFIG_MALLOC_F_ADDR
- gd->malloc_base = CONFIG_MALLOC_F_ADDR;
- #endif
- gd->malloc_limit = CONFIG_VAL(SYS_MALLOC_F_LEN);
- gd->malloc_ptr = 0;
- }
- #endif
- ret = bootstage_init(u_boot_first_phase());
- if (ret) {
- debug("%s: Failed to set up bootstage: ret=%d\n", __func__,
- ret);
- return ret;
- }
- #ifdef CONFIG_BOOTSTAGE_STASH
- if (!u_boot_first_phase()) {
- const void *stash = map_sysmem(CONFIG_BOOTSTAGE_STASH_ADDR,
- CONFIG_BOOTSTAGE_STASH_SIZE);
- ret = bootstage_unstash(stash, CONFIG_BOOTSTAGE_STASH_SIZE);
- if (ret)
- debug("%s: Failed to unstash bootstage: ret=%d\n",
- __func__, ret);
- }
- #endif /* CONFIG_BOOTSTAGE_STASH */
- bootstage_mark_name(get_bootstage_id(true),
- spl_phase_name(spl_phase()));
- #if CONFIG_IS_ENABLED(LOG)
- ret = log_init();
- if (ret) {
- debug("%s: Failed to set up logging\n", __func__);
- return ret;
- }
- #endif
- if (CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)) {
- ret = fdtdec_setup();
- if (ret) {
- debug("fdtdec_setup() returned error %d\n", ret);
- return ret;
- }
- }
- if (CONFIG_IS_ENABLED(DM)) {
- bootstage_start(BOOTSTAGE_ID_ACCUM_DM_SPL,
- spl_phase() == PHASE_TPL ? "dm tpl" : "dm_spl");
- /* With CONFIG_SPL_OF_PLATDATA, bring in all devices */
- ret = dm_init_and_scan(!CONFIG_IS_ENABLED(OF_PLATDATA));
- bootstage_accum(BOOTSTAGE_ID_ACCUM_DM_SPL);
- if (ret) {
- debug("dm_init_and_scan() returned error %d\n", ret);
- return ret;
- }
- }
- return 0;
- }
- void spl_set_bd(void)
- {
- /*
- * NOTE: On some platforms (e.g. x86) bdata may be in flash and not
- * writeable.
- */
- if (!gd->bd)
- gd->bd = &bdata;
- }
- int spl_early_init(void)
- {
- int ret;
- debug("%s\n", __func__);
- ret = spl_common_init(true);
- if (ret)
- return ret;
- gd->flags |= GD_FLG_SPL_EARLY_INIT;
- return 0;
- }
- int spl_init(void)
- {
- int ret;
- bool setup_malloc = !(IS_ENABLED(CONFIG_SPL_STACK_R) &&
- IS_ENABLED(CONFIG_SPL_SYS_MALLOC_SIMPLE));
- debug("%s\n", __func__);
- if (!(gd->flags & GD_FLG_SPL_EARLY_INIT)) {
- ret = spl_common_init(setup_malloc);
- if (ret)
- return ret;
- }
- gd->flags |= GD_FLG_SPL_INIT;
- return 0;
- }
- #ifndef BOOT_DEVICE_NONE
- #define BOOT_DEVICE_NONE 0xdeadbeef
- #endif
- __weak void board_boot_order(u32 *spl_boot_list)
- {
- spl_boot_list[0] = spl_boot_device();
- }
- static struct spl_image_loader *spl_ll_find_loader(uint boot_device)
- {
- struct spl_image_loader *drv =
- ll_entry_start(struct spl_image_loader, spl_image_loader);
- const int n_ents =
- ll_entry_count(struct spl_image_loader, spl_image_loader);
- struct spl_image_loader *entry;
- for (entry = drv; entry != drv + n_ents; entry++) {
- if (boot_device == entry->boot_device)
- return entry;
- }
- /* Not found */
- return NULL;
- }
- static int spl_load_image(struct spl_image_info *spl_image,
- struct spl_image_loader *loader)
- {
- int ret;
- struct spl_boot_device bootdev;
- bootdev.boot_device = loader->boot_device;
- bootdev.boot_device_name = NULL;
- ret = loader->load_image(spl_image, &bootdev);
- #ifdef CONFIG_SPL_LEGACY_IMAGE_CRC_CHECK
- if (!ret && spl_image->dcrc_length) {
- /* check data crc */
- ulong dcrc = crc32_wd(0, (unsigned char *)spl_image->dcrc_data,
- spl_image->dcrc_length, CHUNKSZ_CRC32);
- if (dcrc != spl_image->dcrc) {
- puts("SPL: Image data CRC check failed!\n");
- ret = -EINVAL;
- }
- }
- #endif
- return ret;
- }
- /**
- * boot_from_devices() - Try loading a booting U-Boot from a list of devices
- *
- * @spl_image: Place to put the image details if successful
- * @spl_boot_list: List of boot devices to try
- * @count: Number of elements in spl_boot_list
- * @return 0 if OK, -ENODEV if there were no boot devices
- * if CONFIG_SHOW_ERRORS is enabled, returns -ENXIO if there were
- * devices but none worked
- */
- static int boot_from_devices(struct spl_image_info *spl_image,
- u32 spl_boot_list[], int count)
- {
- int ret = -ENODEV;
- int i;
- for (i = 0; i < count && spl_boot_list[i] != BOOT_DEVICE_NONE; i++) {
- struct spl_image_loader *loader;
- int bootdev = spl_boot_list[i];
- if (CONFIG_IS_ENABLED(SHOW_ERRORS))
- ret = -ENXIO;
- loader = spl_ll_find_loader(bootdev);
- if (CONFIG_IS_ENABLED(SERIAL_SUPPORT) &&
- CONFIG_IS_ENABLED(LIBCOMMON_SUPPORT) &&
- !IS_ENABLED(CONFIG_SILENT_CONSOLE)) {
- if (loader)
- printf("Trying to boot from %s\n",
- spl_loader_name(loader));
- else if (CONFIG_IS_ENABLED(SHOW_ERRORS))
- printf(SPL_TPL_PROMPT
- "Unsupported Boot Device %d\n", bootdev);
- else
- puts(SPL_TPL_PROMPT "Unsupported Boot Device!\n");
- }
- if (loader && !spl_load_image(spl_image, loader)) {
- spl_image->boot_device = bootdev;
- return 0;
- }
- }
- return ret;
- }
- #if defined(CONFIG_SPL_FRAMEWORK_BOARD_INIT_F)
- void board_init_f(ulong dummy)
- {
- if (CONFIG_IS_ENABLED(OF_CONTROL)) {
- int ret;
- ret = spl_early_init();
- if (ret) {
- debug("spl_early_init() failed: %d\n", ret);
- hang();
- }
- }
- preloader_console_init();
- }
- #endif
- void board_init_r(gd_t *dummy1, ulong dummy2)
- {
- u32 spl_boot_list[] = {
- BOOT_DEVICE_NONE,
- BOOT_DEVICE_NONE,
- BOOT_DEVICE_NONE,
- BOOT_DEVICE_NONE,
- BOOT_DEVICE_NONE,
- };
- struct spl_image_info spl_image;
- int ret;
- debug(">>" SPL_TPL_PROMPT "board_init_r()\n");
- spl_set_bd();
- #if defined(CONFIG_SYS_SPL_MALLOC_START)
- mem_malloc_init(CONFIG_SYS_SPL_MALLOC_START,
- CONFIG_SYS_SPL_MALLOC_SIZE);
- gd->flags |= GD_FLG_FULL_MALLOC_INIT;
- #endif
- if (!(gd->flags & GD_FLG_SPL_INIT)) {
- if (spl_init())
- hang();
- }
- #if !defined(CONFIG_PPC) && !defined(CONFIG_ARCH_MX6)
- /*
- * timer_init() does not exist on PPC systems. The timer is initialized
- * and enabled (decrementer) in interrupt_init() here.
- */
- timer_init();
- #endif
- if (CONFIG_IS_ENABLED(BLOBLIST)) {
- ret = bloblist_init();
- if (ret) {
- debug("%s: Failed to set up bloblist: ret=%d\n",
- __func__, ret);
- puts(SPL_TPL_PROMPT "Cannot set up bloblist\n");
- hang();
- }
- }
- if (CONFIG_IS_ENABLED(HANDOFF)) {
- int ret;
- ret = setup_spl_handoff();
- if (ret) {
- puts(SPL_TPL_PROMPT "Cannot set up SPL handoff\n");
- hang();
- }
- }
- #if CONFIG_IS_ENABLED(BOARD_INIT)
- spl_board_init();
- #endif
- #if defined(CONFIG_SPL_WATCHDOG) && CONFIG_IS_ENABLED(WDT)
- initr_watchdog();
- #endif
- if (IS_ENABLED(CONFIG_SPL_OS_BOOT) || CONFIG_IS_ENABLED(HANDOFF) ||
- IS_ENABLED(CONFIG_SPL_ATF))
- dram_init_banksize();
- bootcount_inc();
- memset(&spl_image, '\0', sizeof(spl_image));
- #ifdef CONFIG_SYS_SPL_ARGS_ADDR
- spl_image.arg = (void *)CONFIG_SYS_SPL_ARGS_ADDR;
- #endif
- spl_image.boot_device = BOOT_DEVICE_NONE;
- board_boot_order(spl_boot_list);
- ret = boot_from_devices(&spl_image, spl_boot_list,
- ARRAY_SIZE(spl_boot_list));
- if (ret) {
- if (CONFIG_IS_ENABLED(SHOW_ERRORS) &&
- CONFIG_IS_ENABLED(LIBCOMMON_SUPPORT))
- printf(SPL_TPL_PROMPT "failed to boot from all boot devices (err=%d)\n",
- ret);
- else
- puts(SPL_TPL_PROMPT "failed to boot from all boot devices\n");
- hang();
- }
- spl_perform_fixups(&spl_image);
- if (CONFIG_IS_ENABLED(HANDOFF)) {
- ret = write_spl_handoff();
- if (ret)
- printf(SPL_TPL_PROMPT
- "SPL hand-off write failed (err=%d)\n", ret);
- }
- if (CONFIG_IS_ENABLED(BLOBLIST)) {
- ret = bloblist_finish();
- if (ret)
- printf("Warning: Failed to finish bloblist (ret=%d)\n",
- ret);
- }
- #ifdef CONFIG_CPU_V7M
- spl_image.entry_point |= 0x1;
- #endif
- switch (spl_image.os) {
- case IH_OS_U_BOOT:
- debug("Jumping to %s...\n", spl_phase_name(spl_next_phase()));
- break;
- #if CONFIG_IS_ENABLED(ATF)
- case IH_OS_ARM_TRUSTED_FIRMWARE:
- debug("Jumping to U-Boot via ARM Trusted Firmware\n");
- spl_fixup_fdt(spl_image.fdt_addr);
- spl_invoke_atf(&spl_image);
- break;
- #endif
- #if CONFIG_IS_ENABLED(OPTEE)
- case IH_OS_TEE:
- debug("Jumping to U-Boot via OP-TEE\n");
- spl_board_prepare_for_optee(spl_image.fdt_addr);
- spl_optee_entry(NULL, NULL, spl_image.fdt_addr,
- (void *)spl_image.entry_point);
- break;
- #endif
- #if CONFIG_IS_ENABLED(OPENSBI)
- case IH_OS_OPENSBI:
- debug("Jumping to U-Boot via RISC-V OpenSBI\n");
- spl_invoke_opensbi(&spl_image);
- break;
- #endif
- #ifdef CONFIG_SPL_OS_BOOT
- case IH_OS_LINUX:
- debug("Jumping to Linux\n");
- #if defined(CONFIG_SYS_SPL_ARGS_ADDR)
- spl_fixup_fdt((void *)CONFIG_SYS_SPL_ARGS_ADDR);
- #endif
- spl_board_prepare_for_linux();
- jump_to_image_linux(&spl_image);
- #endif
- default:
- debug("Unsupported OS image.. Jumping nevertheless..\n");
- }
- #if CONFIG_VAL(SYS_MALLOC_F_LEN) && !defined(CONFIG_SYS_SPL_MALLOC_SIZE)
- debug("SPL malloc() used 0x%lx bytes (%ld KB)\n", gd->malloc_ptr,
- gd->malloc_ptr / 1024);
- #endif
- bootstage_mark_name(get_bootstage_id(false), "end phase");
- #ifdef CONFIG_BOOTSTAGE_STASH
- ret = bootstage_stash((void *)CONFIG_BOOTSTAGE_STASH_ADDR,
- CONFIG_BOOTSTAGE_STASH_SIZE);
- if (ret)
- debug("Failed to stash bootstage: err=%d\n", ret);
- #endif
- spl_board_prepare_for_boot();
- jump_to_image_no_args(&spl_image);
- }
- /*
- * This requires UART clocks to be enabled. In order for this to work the
- * caller must ensure that the gd pointer is valid.
- */
- void preloader_console_init(void)
- {
- #ifdef CONFIG_SPL_SERIAL_SUPPORT
- gd->baudrate = CONFIG_BAUDRATE;
- serial_init(); /* serial communications setup */
- gd->have_console = 1;
- #if CONFIG_IS_ENABLED(BANNER_PRINT)
- puts("\nU-Boot " SPL_TPL_NAME " " PLAIN_VERSION " (" U_BOOT_DATE " - "
- U_BOOT_TIME " " U_BOOT_TZ ")\n");
- #endif
- #ifdef CONFIG_SPL_DISPLAY_PRINT
- spl_display_print();
- #endif
- #endif
- }
- /**
- * This function is called before the stack is changed from initial stack to
- * relocated stack. It tries to dump the stack size used
- */
- __weak void spl_relocate_stack_check(void)
- {
- #if CONFIG_IS_ENABLED(SYS_REPORT_STACK_F_USAGE)
- ulong init_sp = gd->start_addr_sp;
- ulong stack_bottom = init_sp - CONFIG_VAL(SIZE_LIMIT_PROVIDE_STACK);
- u8 *ptr = (u8 *)stack_bottom;
- ulong i;
- for (i = 0; i < CONFIG_VAL(SIZE_LIMIT_PROVIDE_STACK); i++) {
- if (*ptr != CONFIG_VAL(SYS_STACK_F_CHECK_BYTE))
- break;
- ptr++;
- }
- printf("SPL initial stack usage: %lu bytes\n",
- CONFIG_VAL(SIZE_LIMIT_PROVIDE_STACK) - i);
- #endif
- }
- /**
- * spl_relocate_stack_gd() - Relocate stack ready for board_init_r() execution
- *
- * Sometimes board_init_f() runs with a stack in SRAM but we want to use SDRAM
- * for the main board_init_r() execution. This is typically because we need
- * more stack space for things like the MMC sub-system.
- *
- * This function calculates the stack position, copies the global_data into
- * place, sets the new gd (except for ARM, for which setting GD within a C
- * function may not always work) and returns the new stack position. The
- * caller is responsible for setting up the sp register and, in the case
- * of ARM, setting up gd.
- *
- * All of this is done using the same layout and alignments as done in
- * board_init_f_init_reserve() / board_init_f_alloc_reserve().
- *
- * @return new stack location, or 0 to use the same stack
- */
- ulong spl_relocate_stack_gd(void)
- {
- #ifdef CONFIG_SPL_STACK_R
- gd_t *new_gd;
- ulong ptr = CONFIG_SPL_STACK_R_ADDR;
- if (CONFIG_IS_ENABLED(SYS_REPORT_STACK_F_USAGE))
- spl_relocate_stack_check();
- #if defined(CONFIG_SPL_SYS_MALLOC_SIMPLE) && CONFIG_VAL(SYS_MALLOC_F_LEN)
- if (CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN) {
- debug("SPL malloc() before relocation used 0x%lx bytes (%ld KB)\n",
- gd->malloc_ptr, gd->malloc_ptr / 1024);
- ptr -= CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN;
- gd->malloc_base = ptr;
- gd->malloc_limit = CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN;
- gd->malloc_ptr = 0;
- }
- #endif
- /* Get stack position: use 8-byte alignment for ABI compliance */
- ptr = CONFIG_SPL_STACK_R_ADDR - roundup(sizeof(gd_t),16);
- new_gd = (gd_t *)ptr;
- memcpy(new_gd, (void *)gd, sizeof(gd_t));
- #if CONFIG_IS_ENABLED(DM)
- dm_fixup_for_gd_move(new_gd);
- #endif
- #if !defined(CONFIG_ARM) && !defined(CONFIG_RISCV)
- gd = new_gd;
- #endif
- return ptr;
- #else
- return 0;
- #endif
- }
- #if defined(CONFIG_BOOTCOUNT_LIMIT) && \
- ((!defined(CONFIG_TPL_BUILD) && !defined(CONFIG_SPL_BOOTCOUNT_LIMIT)) || \
- (defined(CONFIG_TPL_BUILD) && !defined(CONFIG_TPL_BOOTCOUNT_LIMIT)))
- void bootcount_store(ulong a)
- {
- }
- ulong bootcount_load(void)
- {
- return 0;
- }
- #endif
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