X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=include%2Fspl.h;h=6bf9fd8bebb6de440909c785cf3ba4cc4865308b;hb=04da42770b0cc3bea8841972bfc9568299ece826;hp=c7cc2b0767cfcb18a76a49b5bd65eabedf2ef155;hpb=8c05abad1367e33908ee43c590801e338967838d;p=platform%2Fkernel%2Fu-boot.git diff --git a/include/spl.h b/include/spl.h index c7cc2b0..6bf9fd8 100644 --- a/include/spl.h +++ b/include/spl.h @@ -10,9 +10,13 @@ /* Platform-specific defines */ #include +#include #include #include +struct blk_desc; +struct image_header; + /* Value in r0 indicates we booted from U-Boot */ #define UBOOT_NOT_LOADED_FROM_SPL 0x13578642 @@ -169,10 +173,29 @@ struct spl_load_info { * We need to know the position of U-Boot in memory so we can jump to it. We * allow any U-Boot binary to be used (u-boot.bin, u-boot-nodtb.bin, * u-boot.img), hence the '_any'. These is no checking here that the correct - * image is found. For * example if u-boot.img is used we don't check that + * image is found. For example if u-boot.img is used we don't check that * spl_parse_image_header() can parse a valid header. + * + * Similarly for SPL, so that TPL can jump to SPL. */ binman_sym_extern(ulong, u_boot_any, image_pos); +binman_sym_extern(ulong, u_boot_any, size); +binman_sym_extern(ulong, spl, image_pos); +binman_sym_extern(ulong, spl, size); + +/** + * spl_get_image_pos() - get the image position of the next phase + * + * This returns the image position to use to load the next phase of U-Boot + */ +ulong spl_get_image_pos(void); + +/** + * spl_get_image_size() - get the size of the next phase + * + * This returns the size to use to load the next phase of U-Boot + */ +ulong spl_get_image_size(void); /** * spl_load_simple_fit_skip_processing() - Hook to allow skipping the FIT @@ -200,11 +223,64 @@ int spl_load_simple_fit(struct spl_image_info *spl_image, #define SPL_COPY_PAYLOAD_ONLY 1 #define SPL_FIT_FOUND 2 +/** + * spl_load_legacy_img() - Loads a legacy image from a device. + * @spl_image: Image description to set up + * @load: Structure containing the information required to load data. + * @header: Pointer to image header (including appended image) + * + * Reads an legacy image from the device. Loads u-boot image to + * specified load address. + * Returns 0 on success. + */ +int spl_load_legacy_img(struct spl_image_info *spl_image, + struct spl_load_info *load, ulong header); + +/** + * spl_load_imx_container() - Loads a imx container image from a device. + * @spl_image: Image description to set up + * @info: Structure containing the information required to load data. + * @sector: Sector number where container image is located in the device + * + * Reads the container image @sector in the device. Loads u-boot image to + * specified load address. + */ +int spl_load_imx_container(struct spl_image_info *spl_image, + struct spl_load_info *info, ulong sector); + /* SPL common functions */ void preloader_console_init(void); u32 spl_boot_device(void); -u32 spl_boot_mode(const u32 boot_device); -int spl_boot_partition(const u32 boot_device); + +/** + * spl_mmc_boot_mode() - Lookup function for the mode of an MMC boot source. + * @boot_device: ID of the device which the MMC driver wants to read + * from. Common values are e.g. BOOT_DEVICE_MMC1, + * BOOT_DEVICE_MMC2, BOOT_DEVICE_MMC2_2. + * + * This function should return one of MMCSD_MODE_FS, MMCSD_MODE_EMMCBOOT, or + * MMCSD_MODE_RAW for each MMC boot source which is defined for the target. The + * boot_device parameter tells which device the MMC driver is interested in. + * + * If not overridden, it is weakly defined in common/spl/spl_mmc.c. + * + * Note: It is important to use the boot_device parameter instead of e.g. + * spl_boot_device() as U-Boot is not always loaded from the same device as SPL. + */ +u32 spl_mmc_boot_mode(const u32 boot_device); + +/** + * spl_mmc_boot_partition() - MMC partition to load U-Boot from. + * @boot_device: ID of the device which the MMC driver wants to load + * U-Boot from. + * + * This function should return the partition number which the SPL + * should load U-Boot from (on the given boot_device) when + * CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION is set. + * + * If not overridden, it is weakly defined in common/spl/spl_mmc.c. + */ +int spl_mmc_boot_partition(const u32 boot_device); void spl_set_bd(void); /** @@ -238,6 +314,7 @@ int spl_parse_image_header(struct spl_image_info *spl_image, void spl_board_prepare_for_linux(void); void spl_board_prepare_for_boot(void); int spl_board_ubi_load_image(u32 boot_device); +int spl_board_boot_device(u32 boot_device); /** * jump_to_image_linux() - Jump to a Linux kernel from SPL @@ -320,14 +397,14 @@ struct spl_image_loader { */ #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT #define SPL_LOAD_IMAGE_METHOD(_name, _priority, _boot_device, _method) \ - SPL_LOAD_IMAGE(_method ## _priority ## _boot_device) = { \ + SPL_LOAD_IMAGE(_boot_device ## _priority ## _method) = { \ .name = _name, \ .boot_device = _boot_device, \ .load_image = _method, \ } #else #define SPL_LOAD_IMAGE_METHOD(_name, _priority, _boot_device, _method) \ - SPL_LOAD_IMAGE(_method ## _priority ## _boot_device) = { \ + SPL_LOAD_IMAGE(_boot_device ## _priority ## _method) = { \ .boot_device = _boot_device, \ .load_image = _method, \ } @@ -422,12 +499,35 @@ int spl_mmc_load(struct spl_image_info *spl_image, int raw_part, unsigned long raw_sect); +int spl_ymodem_load_image(struct spl_image_info *spl_image, + struct spl_boot_device *bootdev); + /** * spl_invoke_atf - boot using an ARM trusted firmware image */ void spl_invoke_atf(struct spl_image_info *spl_image); /** + * bl2_plat_get_bl31_params() - prepare params for bl31. + * @bl32_entry address of BL32 executable (secure) + * @bl33_entry address of BL33 executable (non secure) + * @fdt_addr address of Flat Device Tree + * + * This function assigns a pointer to the memory that the platform has kept + * aside to pass platform specific and trusted firmware related information + * to BL31. This memory is allocated by allocating memory to + * bl2_to_bl31_params_mem structure which is a superset of all the + * structure whose information is passed to BL31 + * NOTE: This function should be called only once and should be done + * before generating params to BL31 + * + * @return bl31 params structure pointer + */ +struct bl31_params *bl2_plat_get_bl31_params(uintptr_t bl32_entry, + uintptr_t bl33_entry, + uintptr_t fdt_addr); + +/** * spl_optee_entry - entry function for optee * * args defind in op-tee project @@ -453,7 +553,8 @@ void spl_invoke_opensbi(struct spl_image_info *spl_image); * stage wants to return to the ROM code to continue booting, boards * can implement 'board_return_to_bootrom'. */ -void board_return_to_bootrom(void); +int board_return_to_bootrom(struct spl_image_info *spl_image, + struct spl_boot_device *bootdev); /** * board_spl_fit_post_load - allow process images after loading finished