1 /* SPDX-License-Identifier: GPL-2.0+ */
4 * Texas Instruments, <www.ti.com>
9 #include <binman_sym.h>
10 #include <linker_lists.h>
12 /* Platform-specific defines */
13 #include <linux/compiler.h>
14 #include <asm/global_data.h>
20 struct legacy_img_hdr;
22 /* Value in r0 indicates we booted from U-Boot */
23 #define UBOOT_NOT_LOADED_FROM_SPL 0x13578642
26 #define MMCSD_MODE_UNDEFINED 0
27 #define MMCSD_MODE_RAW 1
28 #define MMCSD_MODE_FS 2
29 #define MMCSD_MODE_EMMCBOOT 3
32 struct legacy_img_hdr;
33 struct spl_boot_device;
36 * u_boot_first_phase() - check if this is the first U-Boot phase
38 * U-Boot has up to three phases: TPL, SPL and U-Boot proper. Depending on the
39 * build flags we can determine whether the current build is for the first
40 * phase of U-Boot or not. If there is no SPL, then this is U-Boot proper. If
41 * there is SPL but no TPL, the the first phase is SPL. If there is TPL, then
42 * it is the first phase.
44 * @returns true if this is the first phase of U-Boot
47 static inline bool u_boot_first_phase(void)
49 if (IS_ENABLED(CONFIG_TPL)) {
50 if (IS_ENABLED(CONFIG_TPL_BUILD))
52 } else if (IS_ENABLED(CONFIG_SPL)) {
53 if (IS_ENABLED(CONFIG_SPL_BUILD))
63 PHASE_NONE, /* Invalid phase, signifying before U-Boot */
64 PHASE_TPL, /* Running in TPL */
65 PHASE_VPL, /* Running in VPL */
66 PHASE_SPL, /* Running in SPL */
67 PHASE_BOARD_F, /* Running in U-Boot before relocation */
68 PHASE_BOARD_R, /* Running in U-Boot after relocation */
74 * spl_phase() - Find out the phase of U-Boot
76 * This can be used to avoid #ifdef logic and use if() instead.
78 * For example, to include code only in TPL, you might do:
80 * #ifdef CONFIG_TPL_BUILD
84 * but with this you can use:
86 * if (spl_phase() == PHASE_TPL) {
90 * To include code only in SPL, you might do:
92 * #if defined(CONFIG_SPL_BUILD) && !defined(CONFIG_TPL_BUILD)
96 * but with this you can use:
98 * if (spl_phase() == PHASE_SPL) {
102 * To include code only in U-Boot proper, you might do:
104 * #ifndef CONFIG_SPL_BUILD
108 * but with this you can use:
110 * if (spl_phase() == PHASE_BOARD_F) {
114 * Return: U-Boot phase
116 static inline enum u_boot_phase spl_phase(void)
118 #ifdef CONFIG_TPL_BUILD
120 #elif defined(CONFIG_VPL_BUILD)
122 #elif defined(CONFIG_SPL_BUILD)
125 DECLARE_GLOBAL_DATA_PTR;
127 if (!(gd->flags & GD_FLG_RELOC))
128 return PHASE_BOARD_F;
130 return PHASE_BOARD_R;
135 * spl_prev_phase() - Figure out the previous U-Boot phase
137 * Return: the previous phase from this one, e.g. if called in SPL this returns
138 * PHASE_TPL, if TPL is enabled
140 static inline enum u_boot_phase spl_prev_phase(void)
142 #ifdef CONFIG_TPL_BUILD
144 #elif defined(CONFIG_VPL_BUILD)
145 return PHASE_TPL; /* VPL requires TPL */
146 #elif defined(CONFIG_SPL_BUILD)
147 return IS_ENABLED(CONFIG_VPL) ? PHASE_VPL :
148 IS_ENABLED(CONFIG_TPL) ? PHASE_TPL :
151 return IS_ENABLED(CONFIG_SPL) ? PHASE_SPL :
157 * spl_next_phase() - Figure out the next U-Boot phase
159 * Return: the next phase from this one, e.g. if called in TPL this returns
162 static inline enum u_boot_phase spl_next_phase(void)
164 #ifdef CONFIG_TPL_BUILD
165 return IS_ENABLED(CONFIG_VPL) ? PHASE_VPL : PHASE_SPL;
166 #elif defined(CONFIG_VPL_BUILD)
169 return PHASE_BOARD_F;
174 * spl_phase_name() - Get the name of the current phase
178 static inline const char *spl_phase_name(enum u_boot_phase phase)
196 * spl_phase_prefix() - Get the prefix of the current phase
198 * @phase: Phase to look up
199 * Return: phase prefix ("spl", "tpl", etc.)
201 static inline const char *spl_phase_prefix(enum u_boot_phase phase)
218 /* A string name for SPL or TPL */
219 #ifdef CONFIG_SPL_BUILD
220 # ifdef CONFIG_TPL_BUILD
221 # define SPL_TPL_NAME "TPL"
222 # elif defined(CONFIG_VPL_BUILD)
223 # define SPL_TPL_NAME "VPL"
225 # define SPL_TPL_NAME "SPL"
227 # define SPL_TPL_PROMPT SPL_TPL_NAME ": "
229 # define SPL_TPL_NAME ""
230 # define SPL_TPL_PROMPT ""
234 * enum spl_sandbox_flags - flags for sandbox's use of spl_image_info->flags
236 * @SPL_SANDBOXF_ARG_IS_FNAME: arg is the filename to jump to (default)
237 * @SPL_SANDBOXF_ARG_IS_BUF: arg is the containing image to jump to, @offset is
238 * the start offset within the image, @size is the size of the image
240 enum spl_sandbox_flags {
241 SPL_SANDBOXF_ARG_IS_FNAME = 0,
242 SPL_SANDBOXF_ARG_IS_BUF,
245 struct spl_image_info {
249 uintptr_t entry_point;
250 #if CONFIG_IS_ENABLED(LOAD_FIT) || CONFIG_IS_ENABLED(LOAD_FIT_FULL)
258 #ifdef CONFIG_SPL_LEGACY_IMAGE_CRC_CHECK
266 * Information required to load data from a device
268 * @dev: Pointer to the device, e.g. struct mmc *
269 * @priv: Private data for the device
270 * @bl_len: Block length for reading in bytes
271 * @filename: Name of the fit image file.
272 * @read: Function to call to read from the device
274 struct spl_load_info {
278 const char *filename;
280 * read() - Read from device
282 * @load: Information about the load state
283 * @sector: Sector number to read from (each @load->bl_len bytes)
284 * @count: Number of sectors to read
285 * @buf: Buffer to read into
286 * @return number of sectors read, 0 on error
288 ulong (*read)(struct spl_load_info *load, ulong sector, ulong count,
293 * We need to know the position of U-Boot in memory so we can jump to it. We
294 * allow any U-Boot binary to be used (u-boot.bin, u-boot-nodtb.bin,
295 * u-boot.img), hence the '_any'. These is no checking here that the correct
296 * image is found. For example if u-boot.img is used we don't check that
297 * spl_parse_image_header() can parse a valid header.
299 * Similarly for SPL, so that TPL can jump to SPL.
301 binman_sym_extern(ulong, u_boot_any, image_pos);
302 binman_sym_extern(ulong, u_boot_any, size);
303 binman_sym_extern(ulong, u_boot_spl_any, image_pos);
304 binman_sym_extern(ulong, u_boot_spl_any, size);
305 binman_sym_extern(ulong, u_boot_vpl_any, image_pos);
306 binman_sym_extern(ulong, u_boot_vpl_any, size);
309 * spl_get_image_pos() - get the image position of the next phase
311 * This returns the image position to use to load the next phase of U-Boot
313 ulong spl_get_image_pos(void);
316 * spl_get_image_size() - get the size of the next phase
318 * This returns the size to use to load the next phase of U-Boot
320 ulong spl_get_image_size(void);
323 * spl_get_image_text_base() - get the text base of the next phase
325 * This returns the address that the next stage is linked to run at, i.e.
326 * CONFIG_SPL_TEXT_BASE or CONFIG_TEXT_BASE
328 * Return: text-base address
330 ulong spl_get_image_text_base(void);
333 * spl_load_simple_fit_skip_processing() - Hook to allow skipping the FIT
334 * image processing during spl_load_simple_fit().
336 * Return true to skip FIT processing, false to preserve the full code flow
337 * of spl_load_simple_fit().
339 bool spl_load_simple_fit_skip_processing(void);
342 * spl_load_simple_fit_fix_load() - Hook to make fixes
343 * after fit image header is loaded
345 * Returns pointer to fit
347 void *spl_load_simple_fit_fix_load(const void *fit);
350 * spl_load_simple_fit() - Loads a fit image from a device.
351 * @spl_image: Image description to set up
352 * @info: Structure containing the information required to load data.
353 * @sector: Sector number where FIT image is located in the device
354 * @fdt: Pointer to the copied FIT header.
356 * Reads the FIT image @sector in the device. Loads u-boot image to
357 * specified load address and copies the dtb to end of u-boot image.
358 * Returns 0 on success.
360 int spl_load_simple_fit(struct spl_image_info *spl_image,
361 struct spl_load_info *info, ulong sector, void *fdt);
363 #define SPL_COPY_PAYLOAD_ONLY 1
364 #define SPL_FIT_FOUND 2
367 * spl_load_legacy_img() - Loads a legacy image from a device.
368 * @spl_image: Image description to set up
369 * @load: Structure containing the information required to load data.
370 * @offset: Pointer to image
371 * @hdr: Pointer to image header
373 * Reads an legacy image from the device. Loads u-boot image to
374 * specified load address.
375 * Returns 0 on success.
377 int spl_load_legacy_img(struct spl_image_info *spl_image,
378 struct spl_boot_device *bootdev,
379 struct spl_load_info *load, ulong offset,
380 struct legacy_img_hdr *hdr);
384 * spl_load_imx_container() - Loads a imx container image from a device.
385 * @spl_image: Image description to set up
386 * @info: Structure containing the information required to load data.
387 * @sector: Sector number where container image is located in the device
389 * Reads the container image @sector in the device. Loads u-boot image to
390 * specified load address.
392 int spl_load_imx_container(struct spl_image_info *spl_image,
393 struct spl_load_info *info, ulong sector);
395 /* SPL common functions */
396 void preloader_console_init(void);
397 u32 spl_boot_device(void);
400 * spl_spi_boot_bus() - Lookup function for the SPI boot bus source.
402 * This function returns the SF bus to load from.
403 * If not overridden, it is weakly defined in common/spl/spl_spi.c.
405 u32 spl_spi_boot_bus(void);
408 * spl_spi_boot_cs() - Lookup function for the SPI boot CS source.
410 * This function returns the SF CS to load from.
411 * If not overridden, it is weakly defined in common/spl/spl_spi.c.
413 u32 spl_spi_boot_cs(void);
416 * spl_mmc_boot_mode() - Lookup function for the mode of an MMC boot source.
417 * @boot_device: ID of the device which the MMC driver wants to read
418 * from. Common values are e.g. BOOT_DEVICE_MMC1,
419 * BOOT_DEVICE_MMC2, BOOT_DEVICE_MMC2_2.
421 * This function should return one of MMCSD_MODE_FS, MMCSD_MODE_EMMCBOOT, or
422 * MMCSD_MODE_RAW for each MMC boot source which is defined for the target. The
423 * boot_device parameter tells which device the MMC driver is interested in.
425 * If not overridden, it is weakly defined in common/spl/spl_mmc.c.
427 * Note: It is important to use the boot_device parameter instead of e.g.
428 * spl_boot_device() as U-Boot is not always loaded from the same device as SPL.
430 u32 spl_mmc_boot_mode(struct mmc *mmc, const u32 boot_device);
433 * spl_mmc_boot_partition() - MMC partition to load U-Boot from.
434 * @boot_device: ID of the device which the MMC driver wants to load
437 * This function should return the partition number which the SPL
438 * should load U-Boot from (on the given boot_device) when
439 * CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION is set.
441 * If not overridden, it is weakly defined in common/spl/spl_mmc.c.
443 int spl_mmc_boot_partition(const u32 boot_device);
447 * default_spl_mmc_emmc_boot_partition() - eMMC boot partition to load U-Boot from.
448 * mmc: Pointer for the mmc device structure
450 * This function should return the eMMC boot partition number which
451 * the SPL should load U-Boot from (on the given boot_device).
453 int default_spl_mmc_emmc_boot_partition(struct mmc *mmc);
456 * spl_mmc_emmc_boot_partition() - eMMC boot partition to load U-Boot from.
457 * mmc: Pointer for the mmc device structure
459 * This function should return the eMMC boot partition number which
460 * the SPL should load U-Boot from (on the given boot_device).
462 * If not overridden, it is weakly defined in common/spl/spl_mmc.c
463 * and calls default_spl_mmc_emmc_boot_partition();
465 int spl_mmc_emmc_boot_partition(struct mmc *mmc);
467 void spl_set_bd(void);
470 * spl_mmc_get_uboot_raw_sector() - Provide raw sector of the start of U-Boot
472 * This is a weak function which by default will provide the raw sector that is
473 * where the start of the U-Boot image has been written to.
475 * @mmc: struct mmc that describes the devie where U-Boot resides
476 * @raw_sect: The raw sector number where U-Boot is by default.
477 * Return: The raw sector location that U-Boot resides at
479 unsigned long spl_mmc_get_uboot_raw_sector(struct mmc *mmc,
480 unsigned long raw_sect);
483 * spl_set_header_raw_uboot() - Set up a standard SPL image structure
485 * This sets up the given spl_image which the standard values obtained from
486 * config options: CONFIG_SYS_MONITOR_LEN, CFG_SYS_UBOOT_START,
489 * @spl_image: Image description to set up
491 void spl_set_header_raw_uboot(struct spl_image_info *spl_image);
494 * spl_parse_image_header() - parse the image header and set up info
496 * This parses the legacy image header information at @header and sets up
497 * @spl_image according to what is found. If no image header is found, then
498 * a raw image or bootz is assumed. If CONFIG_SPL_PANIC_ON_RAW_IMAGE is
499 * enabled, then this causes a panic. If CONFIG_SPL_RAW_IMAGE_SUPPORT is not
500 * enabled then U-Boot gives up. Otherwise U-Boot sets up the image using
501 * spl_set_header_raw_uboot(), or possibly the bootz header.
503 * @spl_image: Image description to set up
504 * @header image header to parse
505 * Return: 0 if a header was correctly parsed, -ve on error
507 int spl_parse_image_header(struct spl_image_info *spl_image,
508 const struct spl_boot_device *bootdev,
509 const struct legacy_img_hdr *header);
511 void spl_board_prepare_for_linux(void);
514 * spl_board_prepare_for_optee() - Prepare board for an OPTEE payload
516 * Prepares the board for booting an OP-TEE payload. Initialization is platform
517 * specific, and may include configuring the TrustZone memory, and other
518 * initialization steps required by OP-TEE.
519 * Note that @fdt is not used directly by OP-TEE. OP-TEE passes this @fdt to
520 * its normal world target. This target is not guaranteed to be u-boot, so @fdt
521 * changes that would normally be done by u-boot should be done in this step.
523 * @fdt: Devicetree that will be passed on, or NULL
525 void spl_board_prepare_for_optee(void *fdt);
526 void spl_board_prepare_for_boot(void);
527 int spl_board_ubi_load_image(u32 boot_device);
528 int spl_board_boot_device(u32 boot_device);
531 * spl_board_loader_name() - Return a name for the loader
533 * This is a weak function which might be overridden by the board code. With
534 * that a board specific value for the device where the U-Boot will be loaded
535 * from can be set. By default it returns NULL.
537 * @boot_device: ID of the device which SPL wants to load U-Boot from.
539 const char *spl_board_loader_name(u32 boot_device);
542 * jump_to_image_linux() - Jump to a Linux kernel from SPL
544 * This jumps into a Linux kernel using the information in @spl_image.
546 * @spl_image: Image description to set up
548 void __noreturn jump_to_image_linux(struct spl_image_info *spl_image);
551 * jump_to_image_optee() - Jump to OP-TEE OS from SPL
553 * This jumps into OP-TEE OS using the information in @spl_image.
555 * @spl_image: Image description to set up
557 void __noreturn jump_to_image_optee(struct spl_image_info *spl_image);
560 * spl_start_uboot() - Check if SPL should start the kernel or U-Boot
562 * This is called by the various SPL loaders to determine whether the board
563 * wants to load the kernel or U-Boot. This function should be provided by
566 * Return: 0 if SPL should start the kernel, 1 if U-Boot must be started
568 int spl_start_uboot(void);
571 * spl_display_print() - Display a board-specific message in SPL
573 * If CONFIG_SPL_DISPLAY_PRINT is enabled, U-Boot will call this function
574 * immediately after displaying the SPL console banner ("U-Boot SPL ...").
575 * This function should be provided by the board.
577 void spl_display_print(void);
580 * struct spl_boot_device - Describes a boot device used by SPL
582 * @boot_device: A number indicating the BOOT_DEVICE type. There are various
583 * BOOT_DEVICE... #defines and enums in U-Boot and they are not consistently
585 * @boot_device_name: Named boot device, or NULL if none.
587 * Note: Additional fields can be added here, bearing in mind that SPL is
588 * size-sensitive and common fields will be present on all boards. This
589 * struct can also be used to return additional information about the load
590 * process if that becomes useful.
592 struct spl_boot_device {
594 const char *boot_device_name;
598 * Holds information about a way of loading an SPL image
600 * @name: User-friendly name for this method (e.g. "MMC")
601 * @boot_device: Boot device that this loader supports
602 * @load_image: Function to call to load image
604 struct spl_image_loader {
605 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
610 * load_image() - Load an SPL image
612 * @spl_image: place to put image information
613 * @bootdev: describes the boot device to load from
615 int (*load_image)(struct spl_image_info *spl_image,
616 struct spl_boot_device *bootdev);
619 /* Helper function for accessing the name */
620 static inline const char *spl_loader_name(const struct spl_image_loader *loader)
622 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
624 name = spl_board_loader_name(loader->boot_device);
625 return name ?: loader->name;
631 /* Declare an SPL image loader */
632 #define SPL_LOAD_IMAGE(__name) \
633 ll_entry_declare(struct spl_image_loader, __name, spl_image_loader)
636 * _priority is the priority of this method, 0 meaning it will be the top
637 * choice for this device, 9 meaning it is the bottom choice.
638 * _boot_device is the BOOT_DEVICE_... value
639 * _method is the load_image function to call
641 #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
642 #define SPL_LOAD_IMAGE_METHOD(_name, _priority, _boot_device, _method) \
643 SPL_LOAD_IMAGE(_boot_device ## _priority ## _method) = { \
645 .boot_device = _boot_device, \
646 .load_image = _method, \
649 #define SPL_LOAD_IMAGE_METHOD(_name, _priority, _boot_device, _method) \
650 SPL_LOAD_IMAGE(_boot_device ## _priority ## _method) = { \
651 .boot_device = _boot_device, \
652 .load_image = _method, \
656 /* SPL FAT image functions */
657 int spl_load_image_fat(struct spl_image_info *spl_image,
658 struct spl_boot_device *bootdev,
659 struct blk_desc *block_dev, int partition,
660 const char *filename);
661 int spl_load_image_fat_os(struct spl_image_info *spl_image,
662 struct spl_boot_device *bootdev,
663 struct blk_desc *block_dev, int partition);
665 void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image);
667 /* SPL EXT image functions */
668 int spl_load_image_ext(struct spl_image_info *spl_image,
669 struct spl_boot_device *bootdev,
670 struct blk_desc *block_dev, int partition,
671 const char *filename);
672 int spl_load_image_ext_os(struct spl_image_info *spl_image,
673 struct spl_boot_device *bootdev,
674 struct blk_desc *block_dev, int partition);
675 int spl_blk_load_image(struct spl_image_info *spl_image,
676 struct spl_boot_device *bootdev,
677 enum uclass_id uclass_id, int devnum, int partnum);
680 * spl_early_init() - Set up device tree and driver model in SPL if enabled
682 * Call this function in board_init_f() if you want to use device tree and
683 * driver model early, before board_init_r() is called.
685 * If this is not called, then driver model will be inactive in SPL's
686 * board_init_f(), and no device tree will be available.
688 int spl_early_init(void);
691 * spl_init() - Set up device tree and driver model in SPL if enabled
693 * You can optionally call spl_early_init(), then optionally call spl_init().
694 * This function will be called from board_init_r() if not called earlier.
696 * Both spl_early_init() and spl_init() perform a similar function except that
697 * the latter will not set up the malloc() area if
698 * CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN is enabled, since it is assumed to
699 * already be done by a calll to spl_relocate_stack_gd() before board_init_r()
702 * This function will be called from board_init_r() if not called earlier.
704 * If this is not called, then driver model will be inactive in SPL's
705 * board_init_f(), and no device tree will be available.
709 #ifdef CONFIG_SPL_BOARD_INIT
710 void spl_board_init(void);
714 * spl_was_boot_source() - check if U-Boot booted from SPL
716 * This will normally be true, but if U-Boot jumps to second U-Boot, it will
717 * be false. This should be implemented by board-specific code.
719 * Return: true if U-Boot booted from SPL, else false
721 bool spl_was_boot_source(void);
724 * spl_dfu_cmd- run dfu command with chosen mmc device interface
725 * @param usb_index - usb controller number
726 * @param mmc_dev - mmc device nubmer
728 * Return: 0 on success, otherwise error code
730 int spl_dfu_cmd(int usbctrl, char *dfu_alt_info, char *interface, char *devstr);
732 int spl_mmc_load_image(struct spl_image_info *spl_image,
733 struct spl_boot_device *bootdev);
736 * spl_mmc_load() - Load an image file from MMC/SD media
738 * @param spl_image Image data filled in by loading process
739 * @param bootdev Describes which device to load from
740 * @param filename Name of file to load (in FS mode)
741 * @param raw_part Partition to load from (in RAW mode)
742 * @param raw_sect Sector to load from (in RAW mode)
744 * Return: 0 on success, otherwise error code
746 int spl_mmc_load(struct spl_image_info *spl_image,
747 struct spl_boot_device *bootdev,
748 const char *filename,
750 unsigned long raw_sect);
753 * spl_usb_load() - Load an image file from USB mass storage
755 * @param spl_image Image data filled in by loading process
756 * @param bootdev Describes which device to load from
757 * @param raw_part Fat partition to load from
758 * @param filename Name of file to load
760 * Return: 0 on success, otherwise error code
762 int spl_usb_load(struct spl_image_info *spl_image,
763 struct spl_boot_device *bootdev,
764 int partition, const char *filename);
766 int spl_ymodem_load_image(struct spl_image_info *spl_image,
767 struct spl_boot_device *bootdev);
770 * spl_invoke_atf - boot using an ARM trusted firmware image
772 void spl_invoke_atf(struct spl_image_info *spl_image);
775 * bl2_plat_get_bl31_params() - return params for bl31.
776 * @bl32_entry: address of BL32 executable (secure)
777 * @bl33_entry: address of BL33 executable (non secure)
778 * @fdt_addr: address of Flat Device Tree
780 * This is a weak function which might be overridden by the board code. By
781 * default it will just call bl2_plat_get_bl31_params_default().
783 * If you just want to manipulate or add some parameters, you can override
784 * this function, call bl2_plat_get_bl31_params_default and operate on the
785 * returned bl31 params.
787 * Return: bl31 params structure pointer
789 struct bl31_params *bl2_plat_get_bl31_params(uintptr_t bl32_entry,
790 uintptr_t bl33_entry,
794 * bl2_plat_get_bl31_params_default() - prepare params for bl31.
795 * @bl32_entry: address of BL32 executable (secure)
796 * @bl33_entry: address of BL33 executable (non secure)
797 * @fdt_addr: address of Flat Device Tree
799 * This is the default implementation of bl2_plat_get_bl31_params(). It assigns
800 * a pointer to the memory that the platform has kept aside to pass platform
801 * specific and trusted firmware related information to BL31. This memory is
802 * allocated by allocating memory to bl2_to_bl31_params_mem structure which is
803 * a superset of all the structure whose information is passed to BL31
805 * NOTE: The memory is statically allocated, thus this function should be
806 * called only once. All subsequent calls will overwrite any changes.
808 * Return: bl31 params structure pointer
810 struct bl31_params *bl2_plat_get_bl31_params_default(uintptr_t bl32_entry,
811 uintptr_t bl33_entry,
815 * bl2_plat_get_bl31_params_v2() - return params for bl31
816 * @bl32_entry: address of BL32 executable (secure)
817 * @bl33_entry: address of BL33 executable (non secure)
818 * @fdt_addr: address of Flat Device Tree
820 * This function does the same as bl2_plat_get_bl31_params() except that is is
821 * used for the new LOAD_IMAGE_V2 option, which uses a slightly different
822 * method to pass the parameters.
824 * Return: bl31 params structure pointer
826 struct bl_params *bl2_plat_get_bl31_params_v2(uintptr_t bl32_entry,
827 uintptr_t bl33_entry,
831 * bl2_plat_get_bl31_params_v2_default() - prepare params for bl31.
832 * @bl32_entry: address of BL32 executable (secure)
833 * @bl33_entry: address of BL33 executable (non secure)
834 * @fdt_addr: address of Flat Device Tree
836 * This is the default implementation of bl2_plat_get_bl31_params_v2(). It
837 * prepares the linked list of the bl31 params, populates the image types and
838 * set the entry points for bl32 and bl33 (if available).
840 * NOTE: The memory is statically allocated, thus this function should be
841 * called only once. All subsequent calls will overwrite any changes.
843 * Return: bl31 params structure pointer
845 struct bl_params *bl2_plat_get_bl31_params_v2_default(uintptr_t bl32_entry,
846 uintptr_t bl33_entry,
849 * spl_optee_entry - entry function for optee
851 * args defind in op-tee project
852 * https://github.com/OP-TEE/optee_os/
853 * core/arch/arm/kernel/generic_entry_a32.S
855 * @arg1: (ARMv7 standard bootarg #1)
856 * @arg2: device tree address, (ARMv7 standard bootarg #2)
857 * @arg3: non-secure entry address (ARMv7 bootarg #0)
859 void __noreturn spl_optee_entry(void *arg0, void *arg1, void *arg2, void *arg3);
862 * spl_invoke_opensbi - boot using a RISC-V OpenSBI image
864 void spl_invoke_opensbi(struct spl_image_info *spl_image);
867 * board_return_to_bootrom - allow for boards to continue with the boot ROM
869 * If a board (e.g. the Rockchip RK3368 boards) provide some
870 * supporting functionality for SPL in their boot ROM and the SPL
871 * stage wants to return to the ROM code to continue booting, boards
872 * can implement 'board_return_to_bootrom'.
874 int board_return_to_bootrom(struct spl_image_info *spl_image,
875 struct spl_boot_device *bootdev);
878 * board_spl_fit_size_align - specific size align before processing payload
881 ulong board_spl_fit_size_align(ulong size);
884 * spl_perform_fixups() - arch/board-specific callback before processing
887 void spl_perform_fixups(struct spl_image_info *spl_image);
890 * spl_get_load_buffer() - get buffer for loading partial image data
892 * Returns memory area which can be populated by partial image data,
893 * ie. uImage or fitImage header.
895 struct legacy_img_hdr *spl_get_load_buffer(ssize_t offset, size_t size);
897 void board_boot_order(u32 *spl_boot_list);
898 void spl_save_restore_data(void);