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u-boot/include/image.h
Tien Fong Chee 0a42a132a4 ARM: socfpga: Add FPGA drivers for Arria 10 FPGA bitstream loading 
Add FPGA driver to support program FPGA with FPGA bitstream loading from
filesystem. The driver are designed based on generic firmware loader
framework. The driver can handle FPGA program operation from loading FPGA
bitstream in flash to memory and then to program FPGA.

Signed-off-by: Tien Fong Chee <tien.fong.chee@intel.com>
2019-05-10 22:48:11 +02:00

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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) Copyright 2008 Semihalf
*
* (C) Copyright 2000-2005
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
********************************************************************
* NOTE: This header file defines an interface to U-Boot. Including
* this (unmodified) header file in another file is considered normal
* use of U-Boot, and does *not* fall under the heading of "derived
* work".
********************************************************************
*/
#ifndef __IMAGE_H__
#define __IMAGE_H__
#include "compiler.h"
#include <asm/byteorder.h>
#include <stdbool.h>
/* Define this to avoid #ifdefs later on */
struct lmb;
struct fdt_region;
#ifdef USE_HOSTCC
#include <sys/types.h>
/* new uImage format support enabled on host */
#define IMAGE_ENABLE_FIT 1
#define IMAGE_ENABLE_OF_LIBFDT 1
#define CONFIG_FIT_VERBOSE 1 /* enable fit_format_{error,warning}() */
#define CONFIG_FIT_ENABLE_RSASSA_PSS_SUPPORT 1
#define CONFIG_FIT_ENABLE_SHA256_SUPPORT
#define CONFIG_SHA1
#define CONFIG_SHA256
#define IMAGE_ENABLE_IGNORE 0
#define IMAGE_INDENT_STRING ""
#else
#include <lmb.h>
#include <asm/u-boot.h>
#include <command.h>
/* Take notice of the 'ignore' property for hashes */
#define IMAGE_ENABLE_IGNORE 1
#define IMAGE_INDENT_STRING " "
#define IMAGE_ENABLE_FIT CONFIG_IS_ENABLED(FIT)
#define IMAGE_ENABLE_OF_LIBFDT CONFIG_IS_ENABLED(OF_LIBFDT)
#endif /* USE_HOSTCC */
#if IMAGE_ENABLE_FIT
#include <hash.h>
#include <linux/libfdt.h>
#include <fdt_support.h>
# ifdef CONFIG_SPL_BUILD
# ifdef CONFIG_SPL_CRC32_SUPPORT
# define IMAGE_ENABLE_CRC32 1
# endif
# ifdef CONFIG_SPL_MD5_SUPPORT
# define IMAGE_ENABLE_MD5 1
# endif
# ifdef CONFIG_SPL_SHA1_SUPPORT
# define IMAGE_ENABLE_SHA1 1
# endif
# else
# define IMAGE_ENABLE_CRC32 1
# define IMAGE_ENABLE_MD5 1
# define IMAGE_ENABLE_SHA1 1
# endif
#ifndef IMAGE_ENABLE_CRC32
#define IMAGE_ENABLE_CRC32 0
#endif
#ifndef IMAGE_ENABLE_MD5
#define IMAGE_ENABLE_MD5 0
#endif
#ifndef IMAGE_ENABLE_SHA1
#define IMAGE_ENABLE_SHA1 0
#endif
#if defined(CONFIG_FIT_ENABLE_SHA256_SUPPORT) || \
defined(CONFIG_SPL_SHA256_SUPPORT)
#define IMAGE_ENABLE_SHA256 1
#else
#define IMAGE_ENABLE_SHA256 0
#endif
#endif /* IMAGE_ENABLE_FIT */
#ifdef CONFIG_SYS_BOOT_GET_CMDLINE
# define IMAGE_BOOT_GET_CMDLINE 1
#else
# define IMAGE_BOOT_GET_CMDLINE 0
#endif
#ifdef CONFIG_OF_BOARD_SETUP
# define IMAGE_OF_BOARD_SETUP 1
#else
# define IMAGE_OF_BOARD_SETUP 0
#endif
#ifdef CONFIG_OF_SYSTEM_SETUP
# define IMAGE_OF_SYSTEM_SETUP 1
#else
# define IMAGE_OF_SYSTEM_SETUP 0
#endif
enum ih_category {
IH_ARCH,
IH_COMP,
IH_OS,
IH_TYPE,
IH_COUNT,
};
/*
* Operating System Codes
*
* The following are exposed to uImage header.
* New IDs *MUST* be appended at the end of the list and *NEVER*
* inserted for backward compatibility.
*/
enum {
IH_OS_INVALID = 0, /* Invalid OS */
IH_OS_OPENBSD, /* OpenBSD */
IH_OS_NETBSD, /* NetBSD */
IH_OS_FREEBSD, /* FreeBSD */
IH_OS_4_4BSD, /* 4.4BSD */
IH_OS_LINUX, /* Linux */
IH_OS_SVR4, /* SVR4 */
IH_OS_ESIX, /* Esix */
IH_OS_SOLARIS, /* Solaris */
IH_OS_IRIX, /* Irix */
IH_OS_SCO, /* SCO */
IH_OS_DELL, /* Dell */
IH_OS_NCR, /* NCR */
IH_OS_LYNXOS, /* LynxOS */
IH_OS_VXWORKS, /* VxWorks */
IH_OS_PSOS, /* pSOS */
IH_OS_QNX, /* QNX */
IH_OS_U_BOOT, /* Firmware */
IH_OS_RTEMS, /* RTEMS */
IH_OS_ARTOS, /* ARTOS */
IH_OS_UNITY, /* Unity OS */
IH_OS_INTEGRITY, /* INTEGRITY */
IH_OS_OSE, /* OSE */
IH_OS_PLAN9, /* Plan 9 */
IH_OS_OPENRTOS, /* OpenRTOS */
IH_OS_ARM_TRUSTED_FIRMWARE, /* ARM Trusted Firmware */
IH_OS_TEE, /* Trusted Execution Environment */
IH_OS_COUNT,
};
/*
* CPU Architecture Codes (supported by Linux)
*
* The following are exposed to uImage header.
* New IDs *MUST* be appended at the end of the list and *NEVER*
* inserted for backward compatibility.
*/
enum {
IH_ARCH_INVALID = 0, /* Invalid CPU */
IH_ARCH_ALPHA, /* Alpha */
IH_ARCH_ARM, /* ARM */
IH_ARCH_I386, /* Intel x86 */
IH_ARCH_IA64, /* IA64 */
IH_ARCH_MIPS, /* MIPS */
IH_ARCH_MIPS64, /* MIPS 64 Bit */
IH_ARCH_PPC, /* PowerPC */
IH_ARCH_S390, /* IBM S390 */
IH_ARCH_SH, /* SuperH */
IH_ARCH_SPARC, /* Sparc */
IH_ARCH_SPARC64, /* Sparc 64 Bit */
IH_ARCH_M68K, /* M68K */
IH_ARCH_NIOS, /* Nios-32 */
IH_ARCH_MICROBLAZE, /* MicroBlaze */
IH_ARCH_NIOS2, /* Nios-II */
IH_ARCH_BLACKFIN, /* Blackfin */
IH_ARCH_AVR32, /* AVR32 */
IH_ARCH_ST200, /* STMicroelectronics ST200 */
IH_ARCH_SANDBOX, /* Sandbox architecture (test only) */
IH_ARCH_NDS32, /* ANDES Technology - NDS32 */
IH_ARCH_OPENRISC, /* OpenRISC 1000 */
IH_ARCH_ARM64, /* ARM64 */
IH_ARCH_ARC, /* Synopsys DesignWare ARC */
IH_ARCH_X86_64, /* AMD x86_64, Intel and Via */
IH_ARCH_XTENSA, /* Xtensa */
IH_ARCH_RISCV, /* RISC-V */
IH_ARCH_COUNT,
};
/*
* Image Types
*
* "Standalone Programs" are directly runnable in the environment
* provided by U-Boot; it is expected that (if they behave
* well) you can continue to work in U-Boot after return from
* the Standalone Program.
* "OS Kernel Images" are usually images of some Embedded OS which
* will take over control completely. Usually these programs
* will install their own set of exception handlers, device
* drivers, set up the MMU, etc. - this means, that you cannot
* expect to re-enter U-Boot except by resetting the CPU.
* "RAMDisk Images" are more or less just data blocks, and their
* parameters (address, size) are passed to an OS kernel that is
* being started.
* "Multi-File Images" contain several images, typically an OS
* (Linux) kernel image and one or more data images like
* RAMDisks. This construct is useful for instance when you want
* to boot over the network using BOOTP etc., where the boot
* server provides just a single image file, but you want to get
* for instance an OS kernel and a RAMDisk image.
*
* "Multi-File Images" start with a list of image sizes, each
* image size (in bytes) specified by an "uint32_t" in network
* byte order. This list is terminated by an "(uint32_t)0".
* Immediately after the terminating 0 follow the images, one by
* one, all aligned on "uint32_t" boundaries (size rounded up to
* a multiple of 4 bytes - except for the last file).
*
* "Firmware Images" are binary images containing firmware (like
* U-Boot or FPGA images) which usually will be programmed to
* flash memory.
*
* "Script files" are command sequences that will be executed by
* U-Boot's command interpreter; this feature is especially
* useful when you configure U-Boot to use a real shell (hush)
* as command interpreter (=> Shell Scripts).
*
* The following are exposed to uImage header.
* New IDs *MUST* be appended at the end of the list and *NEVER*
* inserted for backward compatibility.
*/
enum {
IH_TYPE_INVALID = 0, /* Invalid Image */
IH_TYPE_STANDALONE, /* Standalone Program */
IH_TYPE_KERNEL, /* OS Kernel Image */
IH_TYPE_RAMDISK, /* RAMDisk Image */
IH_TYPE_MULTI, /* Multi-File Image */
IH_TYPE_FIRMWARE, /* Firmware Image */
IH_TYPE_SCRIPT, /* Script file */
IH_TYPE_FILESYSTEM, /* Filesystem Image (any type) */
IH_TYPE_FLATDT, /* Binary Flat Device Tree Blob */
IH_TYPE_KWBIMAGE, /* Kirkwood Boot Image */
IH_TYPE_IMXIMAGE, /* Freescale IMXBoot Image */
IH_TYPE_UBLIMAGE, /* Davinci UBL Image */
IH_TYPE_OMAPIMAGE, /* TI OMAP Config Header Image */
IH_TYPE_AISIMAGE, /* TI Davinci AIS Image */
/* OS Kernel Image, can run from any load address */
IH_TYPE_KERNEL_NOLOAD,
IH_TYPE_PBLIMAGE, /* Freescale PBL Boot Image */
IH_TYPE_MXSIMAGE, /* Freescale MXSBoot Image */
IH_TYPE_GPIMAGE, /* TI Keystone GPHeader Image */
IH_TYPE_ATMELIMAGE, /* ATMEL ROM bootable Image */
IH_TYPE_SOCFPGAIMAGE, /* Altera SOCFPGA CV/AV Preloader */
IH_TYPE_X86_SETUP, /* x86 setup.bin Image */
IH_TYPE_LPC32XXIMAGE, /* x86 setup.bin Image */
IH_TYPE_LOADABLE, /* A list of typeless images */
IH_TYPE_RKIMAGE, /* Rockchip Boot Image */
IH_TYPE_RKSD, /* Rockchip SD card */
IH_TYPE_RKSPI, /* Rockchip SPI image */
IH_TYPE_ZYNQIMAGE, /* Xilinx Zynq Boot Image */
IH_TYPE_ZYNQMPIMAGE, /* Xilinx ZynqMP Boot Image */
IH_TYPE_ZYNQMPBIF, /* Xilinx ZynqMP Boot Image (bif) */
IH_TYPE_FPGA, /* FPGA Image */
IH_TYPE_VYBRIDIMAGE, /* VYBRID .vyb Image */
IH_TYPE_TEE, /* Trusted Execution Environment OS Image */
IH_TYPE_FIRMWARE_IVT, /* Firmware Image with HABv4 IVT */
IH_TYPE_PMMC, /* TI Power Management Micro-Controller Firmware */
IH_TYPE_STM32IMAGE, /* STMicroelectronics STM32 Image */
IH_TYPE_SOCFPGAIMAGE_V1, /* Altera SOCFPGA A10 Preloader */
IH_TYPE_MTKIMAGE, /* MediaTek BootROM loadable Image */
IH_TYPE_IMX8MIMAGE, /* Freescale IMX8MBoot Image */
IH_TYPE_IMX8IMAGE, /* Freescale IMX8Boot Image */
IH_TYPE_COUNT, /* Number of image types */
};
/*
* Compression Types
*
* The following are exposed to uImage header.
* New IDs *MUST* be appended at the end of the list and *NEVER*
* inserted for backward compatibility.
*/
enum {
IH_COMP_NONE = 0, /* No Compression Used */
IH_COMP_GZIP, /* gzip Compression Used */
IH_COMP_BZIP2, /* bzip2 Compression Used */
IH_COMP_LZMA, /* lzma Compression Used */
IH_COMP_LZO, /* lzo Compression Used */
IH_COMP_LZ4, /* lz4 Compression Used */
IH_COMP_COUNT,
};
#define LZ4F_MAGIC 0x184D2204 /* LZ4 Magic Number */
#define IH_MAGIC 0x27051956 /* Image Magic Number */
#define IH_NMLEN 32 /* Image Name Length */
/* Reused from common.h */
#define ROUND(a, b) (((a) + (b) - 1) & ~((b) - 1))
/*
* Legacy format image header,
* all data in network byte order (aka natural aka bigendian).
*/
typedef struct image_header {
__be32 ih_magic; /* Image Header Magic Number */
__be32 ih_hcrc; /* Image Header CRC Checksum */
__be32 ih_time; /* Image Creation Timestamp */
__be32 ih_size; /* Image Data Size */
__be32 ih_load; /* Data Load Address */
__be32 ih_ep; /* Entry Point Address */
__be32 ih_dcrc; /* Image Data CRC Checksum */
uint8_t ih_os; /* Operating System */
uint8_t ih_arch; /* CPU architecture */
uint8_t ih_type; /* Image Type */
uint8_t ih_comp; /* Compression Type */
uint8_t ih_name[IH_NMLEN]; /* Image Name */
} image_header_t;
typedef struct image_info {
ulong start, end; /* start/end of blob */
ulong image_start, image_len; /* start of image within blob, len of image */
ulong load; /* load addr for the image */
uint8_t comp, type, os; /* compression, type of image, os type */
uint8_t arch; /* CPU architecture */
} image_info_t;
/*
* Legacy and FIT format headers used by do_bootm() and do_bootm_<os>()
* routines.
*/
typedef struct bootm_headers {
/*
* Legacy os image header, if it is a multi component image
* then boot_get_ramdisk() and get_fdt() will attempt to get
* data from second and third component accordingly.
*/
image_header_t *legacy_hdr_os; /* image header pointer */
image_header_t legacy_hdr_os_copy; /* header copy */
ulong legacy_hdr_valid;
#if IMAGE_ENABLE_FIT
const char *fit_uname_cfg; /* configuration node unit name */
void *fit_hdr_os; /* os FIT image header */
const char *fit_uname_os; /* os subimage node unit name */
int fit_noffset_os; /* os subimage node offset */
void *fit_hdr_rd; /* init ramdisk FIT image header */
const char *fit_uname_rd; /* init ramdisk subimage node unit name */
int fit_noffset_rd; /* init ramdisk subimage node offset */
void *fit_hdr_fdt; /* FDT blob FIT image header */
const char *fit_uname_fdt; /* FDT blob subimage node unit name */
int fit_noffset_fdt;/* FDT blob subimage node offset */
void *fit_hdr_setup; /* x86 setup FIT image header */
const char *fit_uname_setup; /* x86 setup subimage node name */
int fit_noffset_setup;/* x86 setup subimage node offset */
#endif
#ifndef USE_HOSTCC
image_info_t os; /* os image info */
ulong ep; /* entry point of OS */
ulong rd_start, rd_end;/* ramdisk start/end */
char *ft_addr; /* flat dev tree address */
ulong ft_len; /* length of flat device tree */
ulong initrd_start;
ulong initrd_end;
ulong cmdline_start;
ulong cmdline_end;
bd_t *kbd;
#endif
int verify; /* env_get("verify")[0] != 'n' */
#define BOOTM_STATE_START (0x00000001)
#define BOOTM_STATE_FINDOS (0x00000002)
#define BOOTM_STATE_FINDOTHER (0x00000004)
#define BOOTM_STATE_LOADOS (0x00000008)
#define BOOTM_STATE_RAMDISK (0x00000010)
#define BOOTM_STATE_FDT (0x00000020)
#define BOOTM_STATE_OS_CMDLINE (0x00000040)
#define BOOTM_STATE_OS_BD_T (0x00000080)
#define BOOTM_STATE_OS_PREP (0x00000100)
#define BOOTM_STATE_OS_FAKE_GO (0x00000200) /* 'Almost' run the OS */
#define BOOTM_STATE_OS_GO (0x00000400)
int state;
#ifdef CONFIG_LMB
struct lmb lmb; /* for memory mgmt */
#endif
} bootm_headers_t;
extern bootm_headers_t images;
/*
* Some systems (for example LWMON) have very short watchdog periods;
* we must make sure to split long operations like memmove() or
* checksum calculations into reasonable chunks.
*/
#ifndef CHUNKSZ
#define CHUNKSZ (64 * 1024)
#endif
#ifndef CHUNKSZ_CRC32
#define CHUNKSZ_CRC32 (64 * 1024)
#endif
#ifndef CHUNKSZ_MD5
#define CHUNKSZ_MD5 (64 * 1024)
#endif
#ifndef CHUNKSZ_SHA1
#define CHUNKSZ_SHA1 (64 * 1024)
#endif
#define uimage_to_cpu(x) be32_to_cpu(x)
#define cpu_to_uimage(x) cpu_to_be32(x)
/*
* Translation table for entries of a specific type; used by
* get_table_entry_id() and get_table_entry_name().
*/
typedef struct table_entry {
int id;
char *sname; /* short (input) name to find table entry */
char *lname; /* long (output) name to print for messages */
} table_entry_t;
/*
* get_table_entry_id() scans the translation table trying to find an
* entry that matches the given short name. If a matching entry is
* found, it's id is returned to the caller.
*/
int get_table_entry_id(const table_entry_t *table,
const char *table_name, const char *name);
/*
* get_table_entry_name() scans the translation table trying to find
* an entry that matches the given id. If a matching entry is found,
* its long name is returned to the caller.
*/
char *get_table_entry_name(const table_entry_t *table, char *msg, int id);
const char *genimg_get_os_name(uint8_t os);
/**
* genimg_get_os_short_name() - get the short name for an OS
*
* @param os OS (IH_OS_...)
* @return OS short name, or "unknown" if unknown
*/
const char *genimg_get_os_short_name(uint8_t comp);
const char *genimg_get_arch_name(uint8_t arch);
/**
* genimg_get_arch_short_name() - get the short name for an architecture
*
* @param arch Architecture type (IH_ARCH_...)
* @return architecture short name, or "unknown" if unknown
*/
const char *genimg_get_arch_short_name(uint8_t arch);
const char *genimg_get_type_name(uint8_t type);
/**
* genimg_get_type_short_name() - get the short name for an image type
*
* @param type Image type (IH_TYPE_...)
* @return image short name, or "unknown" if unknown
*/
const char *genimg_get_type_short_name(uint8_t type);
const char *genimg_get_comp_name(uint8_t comp);
/**
* genimg_get_comp_short_name() - get the short name for a compression method
*
* @param comp compression method (IH_COMP_...)
* @return compression method short name, or "unknown" if unknown
*/
const char *genimg_get_comp_short_name(uint8_t comp);
/**
* genimg_get_cat_name() - Get the name of an item in a category
*
* @category: Category of item
* @id: Item ID
* @return name of item, or "Unknown ..." if unknown
*/
const char *genimg_get_cat_name(enum ih_category category, uint id);
/**
* genimg_get_cat_short_name() - Get the short name of an item in a category
*
* @category: Category of item
* @id: Item ID
* @return short name of item, or "Unknown ..." if unknown
*/
const char *genimg_get_cat_short_name(enum ih_category category, uint id);
/**
* genimg_get_cat_count() - Get the number of items in a category
*
* @category: Category to check
* @return the number of items in the category (IH_xxx_COUNT)
*/
int genimg_get_cat_count(enum ih_category category);
/**
* genimg_get_cat_desc() - Get the description of a category
*
* @return the description of a category, e.g. "architecture". This
* effectively converts the enum to a string.
*/
const char *genimg_get_cat_desc(enum ih_category category);
int genimg_get_os_id(const char *name);
int genimg_get_arch_id(const char *name);
int genimg_get_type_id(const char *name);
int genimg_get_comp_id(const char *name);
void genimg_print_size(uint32_t size);
#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || \
defined(USE_HOSTCC)
#define IMAGE_ENABLE_TIMESTAMP 1
#else
#define IMAGE_ENABLE_TIMESTAMP 0
#endif
void genimg_print_time(time_t timestamp);
/* What to do with a image load address ('load = <> 'in the FIT) */
enum fit_load_op {
FIT_LOAD_IGNORED, /* Ignore load address */
FIT_LOAD_OPTIONAL, /* Can be provided, but optional */
FIT_LOAD_OPTIONAL_NON_ZERO, /* Optional, a value of 0 is ignored */
FIT_LOAD_REQUIRED, /* Must be provided */
};
int boot_get_setup(bootm_headers_t *images, uint8_t arch, ulong *setup_start,
ulong *setup_len);
#ifndef USE_HOSTCC
/* Image format types, returned by _get_format() routine */
#define IMAGE_FORMAT_INVALID 0x00
#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
#define IMAGE_FORMAT_LEGACY 0x01 /* legacy image_header based format */
#endif
#define IMAGE_FORMAT_FIT 0x02 /* new, libfdt based format */
#define IMAGE_FORMAT_ANDROID 0x03 /* Android boot image */
ulong genimg_get_kernel_addr_fit(char * const img_addr,
const char **fit_uname_config,
const char **fit_uname_kernel);
ulong genimg_get_kernel_addr(char * const img_addr);
int genimg_get_format(const void *img_addr);
int genimg_has_config(bootm_headers_t *images);
int boot_get_fpga(int argc, char * const argv[], bootm_headers_t *images,
uint8_t arch, const ulong *ld_start, ulong * const ld_len);
int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images,
uint8_t arch, ulong *rd_start, ulong *rd_end);
/**
* boot_get_loadable - routine to load a list of binaries to memory
* @argc: Ignored Argument
* @argv: Ignored Argument
* @images: pointer to the bootm images structure
* @arch: expected architecture for the image
* @ld_start: Ignored Argument
* @ld_len: Ignored Argument
*
* boot_get_loadable() will take the given FIT configuration, and look
* for a field named "loadables". Loadables, is a list of elements in
* the FIT given as strings. exe:
* loadables = "linux_kernel", "fdt-2";
* this function will attempt to parse each string, and load the
* corresponding element from the FIT into memory. Once placed,
* no aditional actions are taken.
*
* @return:
* 0, if only valid images or no images are found
* error code, if an error occurs during fit_image_load
*/
int boot_get_loadable(int argc, char * const argv[], bootm_headers_t *images,
uint8_t arch, const ulong *ld_start, ulong * const ld_len);
#endif /* !USE_HOSTCC */
int boot_get_setup_fit(bootm_headers_t *images, uint8_t arch,
ulong *setup_start, ulong *setup_len);
/**
* boot_get_fdt_fit() - load a DTB from a FIT file (applying overlays)
*
* This deals with all aspects of loading an DTB from a FIT.
* The correct base image based on configuration will be selected, and
* then any overlays specified will be applied (as present in fit_uname_configp).
*
* @param images Boot images structure
* @param addr Address of FIT in memory
* @param fit_unamep On entry this is the requested image name
* (e.g. "kernel") or NULL to use the default. On exit
* points to the selected image name
* @param fit_uname_configp On entry this is the requested configuration
* name (e.g. "conf-1") or NULL to use the default. On
* exit points to the selected configuration name.
* @param arch Expected architecture (IH_ARCH_...)
* @param datap Returns address of loaded image
* @param lenp Returns length of loaded image
*
* @return node offset of base image, or -ve error code on error
*/
int boot_get_fdt_fit(bootm_headers_t *images, ulong addr,
const char **fit_unamep, const char **fit_uname_configp,
int arch, ulong *datap, ulong *lenp);
/**
* fit_image_load() - load an image from a FIT
*
* This deals with all aspects of loading an image from a FIT, including
* selecting the right image based on configuration, verifying it, printing
* out progress messages, checking the type/arch/os and optionally copying it
* to the right load address.
*
* The property to look up is defined by image_type.
*
* @param images Boot images structure
* @param addr Address of FIT in memory
* @param fit_unamep On entry this is the requested image name
* (e.g. "kernel") or NULL to use the default. On exit
* points to the selected image name
* @param fit_uname_configp On entry this is the requested configuration
* name (e.g. "conf-1") or NULL to use the default. On
* exit points to the selected configuration name.
* @param arch Expected architecture (IH_ARCH_...)
* @param image_type Required image type (IH_TYPE_...). If this is
* IH_TYPE_KERNEL then we allow IH_TYPE_KERNEL_NOLOAD
* also.
* @param bootstage_id ID of starting bootstage to use for progress updates.
* This will be added to the BOOTSTAGE_SUB values when
* calling bootstage_mark()
* @param load_op Decribes what to do with the load address
* @param datap Returns address of loaded image
* @param lenp Returns length of loaded image
* @return node offset of image, or -ve error code on error
*/
int fit_image_load(bootm_headers_t *images, ulong addr,
const char **fit_unamep, const char **fit_uname_configp,
int arch, int image_type, int bootstage_id,
enum fit_load_op load_op, ulong *datap, ulong *lenp);
#ifndef USE_HOSTCC
/**
* fit_get_node_from_config() - Look up an image a FIT by type
*
* This looks in the selected conf- node (images->fit_uname_cfg) for a
* particular image type (e.g. "kernel") and then finds the image that is
* referred to.
*
* For example, for something like:
*
* images {
* kernel {
* ...
* };
* };
* configurations {
* conf-1 {
* kernel = "kernel";
* };
* };
*
* the function will return the node offset of the kernel@1 node, assuming
* that conf-1 is the chosen configuration.
*
* @param images Boot images structure
* @param prop_name Property name to look up (FIT_..._PROP)
* @param addr Address of FIT in memory
*/
int fit_get_node_from_config(bootm_headers_t *images, const char *prop_name,
ulong addr);
int boot_get_fdt(int flag, int argc, char * const argv[], uint8_t arch,
bootm_headers_t *images,
char **of_flat_tree, ulong *of_size);
void boot_fdt_add_mem_rsv_regions(struct lmb *lmb, void *fdt_blob);
int boot_relocate_fdt(struct lmb *lmb, char **of_flat_tree, ulong *of_size);
int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
ulong *initrd_start, ulong *initrd_end);
int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end);
#ifdef CONFIG_SYS_BOOT_GET_KBD
int boot_get_kbd(struct lmb *lmb, bd_t **kbd);
#endif /* CONFIG_SYS_BOOT_GET_KBD */
#endif /* !USE_HOSTCC */
/*******************************************************************/
/* Legacy format specific code (prefixed with image_) */
/*******************************************************************/
static inline uint32_t image_get_header_size(void)
{
return (sizeof(image_header_t));
}
#define image_get_hdr_l(f) \
static inline uint32_t image_get_##f(const image_header_t *hdr) \
{ \
return uimage_to_cpu(hdr->ih_##f); \
}
image_get_hdr_l(magic) /* image_get_magic */
image_get_hdr_l(hcrc) /* image_get_hcrc */
image_get_hdr_l(time) /* image_get_time */
image_get_hdr_l(size) /* image_get_size */
image_get_hdr_l(load) /* image_get_load */
image_get_hdr_l(ep) /* image_get_ep */
image_get_hdr_l(dcrc) /* image_get_dcrc */
#define image_get_hdr_b(f) \
static inline uint8_t image_get_##f(const image_header_t *hdr) \
{ \
return hdr->ih_##f; \
}
image_get_hdr_b(os) /* image_get_os */
image_get_hdr_b(arch) /* image_get_arch */
image_get_hdr_b(type) /* image_get_type */
image_get_hdr_b(comp) /* image_get_comp */
static inline char *image_get_name(const image_header_t *hdr)
{
return (char *)hdr->ih_name;
}
static inline uint32_t image_get_data_size(const image_header_t *hdr)
{
return image_get_size(hdr);
}
/**
* image_get_data - get image payload start address
* @hdr: image header
*
* image_get_data() returns address of the image payload. For single
* component images it is image data start. For multi component
* images it points to the null terminated table of sub-images sizes.
*
* returns:
* image payload data start address
*/
static inline ulong image_get_data(const image_header_t *hdr)
{
return ((ulong)hdr + image_get_header_size());
}
static inline uint32_t image_get_image_size(const image_header_t *hdr)
{
return (image_get_size(hdr) + image_get_header_size());
}
static inline ulong image_get_image_end(const image_header_t *hdr)
{
return ((ulong)hdr + image_get_image_size(hdr));
}
#define image_set_hdr_l(f) \
static inline void image_set_##f(image_header_t *hdr, uint32_t val) \
{ \
hdr->ih_##f = cpu_to_uimage(val); \
}
image_set_hdr_l(magic) /* image_set_magic */
image_set_hdr_l(hcrc) /* image_set_hcrc */
image_set_hdr_l(time) /* image_set_time */
image_set_hdr_l(size) /* image_set_size */
image_set_hdr_l(load) /* image_set_load */
image_set_hdr_l(ep) /* image_set_ep */
image_set_hdr_l(dcrc) /* image_set_dcrc */
#define image_set_hdr_b(f) \
static inline void image_set_##f(image_header_t *hdr, uint8_t val) \
{ \
hdr->ih_##f = val; \
}
image_set_hdr_b(os) /* image_set_os */
image_set_hdr_b(arch) /* image_set_arch */
image_set_hdr_b(type) /* image_set_type */
image_set_hdr_b(comp) /* image_set_comp */
static inline void image_set_name(image_header_t *hdr, const char *name)
{
strncpy(image_get_name(hdr), name, IH_NMLEN);
}
int image_check_hcrc(const image_header_t *hdr);
int image_check_dcrc(const image_header_t *hdr);
#ifndef USE_HOSTCC
ulong env_get_bootm_low(void);
phys_size_t env_get_bootm_size(void);
phys_size_t env_get_bootm_mapsize(void);
#endif
void memmove_wd(void *to, void *from, size_t len, ulong chunksz);
static inline int image_check_magic(const image_header_t *hdr)
{
return (image_get_magic(hdr) == IH_MAGIC);
}
static inline int image_check_type(const image_header_t *hdr, uint8_t type)
{
return (image_get_type(hdr) == type);
}
static inline int image_check_arch(const image_header_t *hdr, uint8_t arch)
{
return (image_get_arch(hdr) == arch) ||
(image_get_arch(hdr) == IH_ARCH_ARM && arch == IH_ARCH_ARM64);
}
static inline int image_check_os(const image_header_t *hdr, uint8_t os)
{
return (image_get_os(hdr) == os);
}
ulong image_multi_count(const image_header_t *hdr);
void image_multi_getimg(const image_header_t *hdr, ulong idx,
ulong *data, ulong *len);
void image_print_contents(const void *hdr);
#ifndef USE_HOSTCC
static inline int image_check_target_arch(const image_header_t *hdr)
{
#ifndef IH_ARCH_DEFAULT
# error "please define IH_ARCH_DEFAULT in your arch asm/u-boot.h"
#endif
return image_check_arch(hdr, IH_ARCH_DEFAULT);
}
#endif /* USE_HOSTCC */
/**
* Set up properties in the FDT
*
* This sets up properties in the FDT that is to be passed to linux.
*
* @images: Images information
* @blob: FDT to update
* @of_size: Size of the FDT
* @lmb: Points to logical memory block structure
* @return 0 if ok, <0 on failure
*/
int image_setup_libfdt(bootm_headers_t *images, void *blob,
int of_size, struct lmb *lmb);
/**
* Set up the FDT to use for booting a kernel
*
* This performs ramdisk setup, sets up the FDT if required, and adds
* paramters to the FDT if libfdt is available.
*
* @param images Images information
* @return 0 if ok, <0 on failure
*/
int image_setup_linux(bootm_headers_t *images);
/**
* bootz_setup() - Extract stat and size of a Linux xImage
*
* @image: Address of image
* @start: Returns start address of image
* @end : Returns end address of image
* @return 0 if OK, 1 if the image was not recognised
*/
int bootz_setup(ulong image, ulong *start, ulong *end);
/**
* Return the correct start address and size of a Linux aarch64 Image.
*
* @image: Address of image
* @start: Returns start address of image
* @size : Returns size image
* @force_reloc: Ignore image->ep field, always place image to RAM start
* @return 0 if OK, 1 if the image was not recognised
*/
int booti_setup(ulong image, ulong *relocated_addr, ulong *size,
bool force_reloc);
/*******************************************************************/
/* New uImage format specific code (prefixed with fit_) */
/*******************************************************************/
#define FIT_IMAGES_PATH "/images"
#define FIT_CONFS_PATH "/configurations"
/* hash/signature node */
#define FIT_HASH_NODENAME "hash"
#define FIT_ALGO_PROP "algo"
#define FIT_VALUE_PROP "value"
#define FIT_IGNORE_PROP "uboot-ignore"
#define FIT_SIG_NODENAME "signature"
/* image node */
#define FIT_DATA_PROP "data"
#define FIT_DATA_POSITION_PROP "data-position"
#define FIT_DATA_OFFSET_PROP "data-offset"
#define FIT_DATA_SIZE_PROP "data-size"
#define FIT_TIMESTAMP_PROP "timestamp"
#define FIT_DESC_PROP "description"
#define FIT_ARCH_PROP "arch"
#define FIT_TYPE_PROP "type"
#define FIT_OS_PROP "os"
#define FIT_COMP_PROP "compression"
#define FIT_ENTRY_PROP "entry"
#define FIT_LOAD_PROP "load"
/* configuration node */
#define FIT_KERNEL_PROP "kernel"
#define FIT_RAMDISK_PROP "ramdisk"
#define FIT_FDT_PROP "fdt"
#define FIT_LOADABLE_PROP "loadables"
#define FIT_DEFAULT_PROP "default"
#define FIT_SETUP_PROP "setup"
#define FIT_FPGA_PROP "fpga"
#define FIT_FIRMWARE_PROP "firmware"
#define FIT_STANDALONE_PROP "standalone"
#define FIT_MAX_HASH_LEN HASH_MAX_DIGEST_SIZE
#if IMAGE_ENABLE_FIT
/* cmdline argument format parsing */
int fit_parse_conf(const char *spec, ulong addr_curr,
ulong *addr, const char **conf_name);
int fit_parse_subimage(const char *spec, ulong addr_curr,
ulong *addr, const char **image_name);
int fit_get_subimage_count(const void *fit, int images_noffset);
void fit_print_contents(const void *fit);
void fit_image_print(const void *fit, int noffset, const char *p);
/**
* fit_get_end - get FIT image size
* @fit: pointer to the FIT format image header
*
* returns:
* size of the FIT image (blob) in memory
*/
static inline ulong fit_get_size(const void *fit)
{
return fdt_totalsize(fit);
}
/**
* fit_get_end - get FIT image end
* @fit: pointer to the FIT format image header
*
* returns:
* end address of the FIT image (blob) in memory
*/
ulong fit_get_end(const void *fit);
/**
* fit_get_name - get FIT node name
* @fit: pointer to the FIT format image header
*
* returns:
* NULL, on error
* pointer to node name, on success
*/
static inline const char *fit_get_name(const void *fit_hdr,
int noffset, int *len)
{
return fdt_get_name(fit_hdr, noffset, len);
}
int fit_get_desc(const void *fit, int noffset, char **desc);
int fit_get_timestamp(const void *fit, int noffset, time_t *timestamp);
int fit_image_get_node(const void *fit, const char *image_uname);
int fit_image_get_os(const void *fit, int noffset, uint8_t *os);
int fit_image_get_arch(const void *fit, int noffset, uint8_t *arch);
int fit_image_get_type(const void *fit, int noffset, uint8_t *type);
int fit_image_get_comp(const void *fit, int noffset, uint8_t *comp);
int fit_image_get_load(const void *fit, int noffset, ulong *load);
int fit_image_get_entry(const void *fit, int noffset, ulong *entry);
int fit_image_get_data(const void *fit, int noffset,
const void **data, size_t *size);
int fit_image_get_data_offset(const void *fit, int noffset, int *data_offset);
int fit_image_get_data_position(const void *fit, int noffset,
int *data_position);
int fit_image_get_data_size(const void *fit, int noffset, int *data_size);
int fit_image_get_data_and_size(const void *fit, int noffset,
const void **data, size_t *size);
int fit_image_hash_get_algo(const void *fit, int noffset, char **algo);
int fit_image_hash_get_value(const void *fit, int noffset, uint8_t **value,
int *value_len);
int fit_set_timestamp(void *fit, int noffset, time_t timestamp);
/**
* fit_add_verification_data() - add verification data to FIT image nodes
*
* @keydir: Directory containing keys
* @kwydest: FDT blob to write public key information to
* @fit: Pointer to the FIT format image header
* @comment: Comment to add to signature nodes
* @require_keys: Mark all keys as 'required'
* @engine_id: Engine to use for signing
* @cmdname: Command name used when reporting errors
*
* Adds hash values for all component images in the FIT blob.
* Hashes are calculated for all component images which have hash subnodes
* with algorithm property set to one of the supported hash algorithms.
*
* Also add signatures if signature nodes are present.
*
* returns
* 0, on success
* libfdt error code, on failure
*/
int fit_add_verification_data(const char *keydir, void *keydest, void *fit,
const char *comment, int require_keys,
const char *engine_id, const char *cmdname);
int fit_image_verify_with_data(const void *fit, int image_noffset,
const void *data, size_t size);
int fit_image_verify(const void *fit, int noffset);
int fit_config_verify(const void *fit, int conf_noffset);
int fit_all_image_verify(const void *fit);
int fit_image_check_os(const void *fit, int noffset, uint8_t os);
int fit_image_check_arch(const void *fit, int noffset, uint8_t arch);
int fit_image_check_type(const void *fit, int noffset, uint8_t type);
int fit_image_check_comp(const void *fit, int noffset, uint8_t comp);
int fit_check_format(const void *fit);
int fit_conf_find_compat(const void *fit, const void *fdt);
int fit_conf_get_node(const void *fit, const char *conf_uname);
int fit_conf_get_prop_node_count(const void *fit, int noffset,
const char *prop_name);
int fit_conf_get_prop_node_index(const void *fit, int noffset,
const char *prop_name, int index);
/**
* fit_conf_get_prop_node() - Get node refered to by a configuration
* @fit: FIT to check
* @noffset: Offset of conf@xxx node to check
* @prop_name: Property to read from the conf node
*
* The conf- nodes contain references to other nodes, using properties
* like 'kernel = "kernel"'. Given such a property name (e.g. "kernel"),
* return the offset of the node referred to (e.g. offset of node
* "/images/kernel".
*/
int fit_conf_get_prop_node(const void *fit, int noffset,
const char *prop_name);
int fit_check_ramdisk(const void *fit, int os_noffset,
uint8_t arch, int verify);
int calculate_hash(const void *data, int data_len, const char *algo,
uint8_t *value, int *value_len);
/*
* At present we only support signing on the host, and verification on the
* device
*/
#if defined(USE_HOSTCC)
# if defined(CONFIG_FIT_SIGNATURE)
# define IMAGE_ENABLE_SIGN 1
# define IMAGE_ENABLE_VERIFY 1
# include <openssl/evp.h>
# else
# define IMAGE_ENABLE_SIGN 0
# define IMAGE_ENABLE_VERIFY 0
# endif
#else
# define IMAGE_ENABLE_SIGN 0
# define IMAGE_ENABLE_VERIFY CONFIG_IS_ENABLED(FIT_SIGNATURE)
#endif
#ifdef USE_HOSTCC
void *image_get_host_blob(void);
void image_set_host_blob(void *host_blob);
# define gd_fdt_blob() image_get_host_blob()
#else
# define gd_fdt_blob() (gd->fdt_blob)
#endif
#ifdef CONFIG_FIT_BEST_MATCH
#define IMAGE_ENABLE_BEST_MATCH 1
#else
#define IMAGE_ENABLE_BEST_MATCH 0
#endif
/* Information passed to the signing routines */
struct image_sign_info {
const char *keydir; /* Directory conaining keys */
const char *keyname; /* Name of key to use */
void *fit; /* Pointer to FIT blob */
int node_offset; /* Offset of signature node */
const char *name; /* Algorithm name */
struct checksum_algo *checksum; /* Checksum algorithm information */
struct padding_algo *padding; /* Padding algorithm information */
struct crypto_algo *crypto; /* Crypto algorithm information */
const void *fdt_blob; /* FDT containing public keys */
int required_keynode; /* Node offset of key to use: -1=any */
const char *require_keys; /* Value for 'required' property */
const char *engine_id; /* Engine to use for signing */
};
#endif /* Allow struct image_region to always be defined for rsa.h */
/* A part of an image, used for hashing */
struct image_region {
const void *data;
int size;
};
#if IMAGE_ENABLE_FIT
#if IMAGE_ENABLE_VERIFY
# include <u-boot/rsa-checksum.h>
#endif
struct checksum_algo {
const char *name;
const int checksum_len;
const int der_len;
const uint8_t *der_prefix;
#if IMAGE_ENABLE_SIGN
const EVP_MD *(*calculate_sign)(void);
#endif
int (*calculate)(const char *name,
const struct image_region region[],
int region_count, uint8_t *checksum);
};
struct crypto_algo {
const char *name; /* Name of algorithm */
const int key_len;
/**
* sign() - calculate and return signature for given input data
*
* @info: Specifies key and FIT information
* @data: Pointer to the input data
* @data_len: Data length
* @sigp: Set to an allocated buffer holding the signature
* @sig_len: Set to length of the calculated hash
*
* This computes input data signature according to selected algorithm.
* Resulting signature value is placed in an allocated buffer, the
* pointer is returned as *sigp. The length of the calculated
* signature is returned via the sig_len pointer argument. The caller
* should free *sigp.
*
* @return: 0, on success, -ve on error
*/
int (*sign)(struct image_sign_info *info,
const struct image_region region[],
int region_count, uint8_t **sigp, uint *sig_len);
/**
* add_verify_data() - Add verification information to FDT
*
* Add public key information to the FDT node, suitable for
* verification at run-time. The information added depends on the
* algorithm being used.
*
* @info: Specifies key and FIT information
* @keydest: Destination FDT blob for public key data
* @return: 0, on success, -ve on error
*/
int (*add_verify_data)(struct image_sign_info *info, void *keydest);
/**
* verify() - Verify a signature against some data
*
* @info: Specifies key and FIT information
* @data: Pointer to the input data
* @data_len: Data length
* @sig: Signature
* @sig_len: Number of bytes in signature
* @return 0 if verified, -ve on error
*/
int (*verify)(struct image_sign_info *info,
const struct image_region region[], int region_count,
uint8_t *sig, uint sig_len);
};
struct padding_algo {
const char *name;
int (*verify)(struct image_sign_info *info,
uint8_t *pad, int pad_len,
const uint8_t *hash, int hash_len);
};
/**
* image_get_checksum_algo() - Look up a checksum algorithm
*
* @param full_name Name of algorithm in the form "checksum,crypto"
* @return pointer to algorithm information, or NULL if not found
*/
struct checksum_algo *image_get_checksum_algo(const char *full_name);
/**
* image_get_crypto_algo() - Look up a cryptosystem algorithm
*
* @param full_name Name of algorithm in the form "checksum,crypto"
* @return pointer to algorithm information, or NULL if not found
*/
struct crypto_algo *image_get_crypto_algo(const char *full_name);
/**
* image_get_padding_algo() - Look up a padding algorithm
*
* @param name Name of padding algorithm
* @return pointer to algorithm information, or NULL if not found
*/
struct padding_algo *image_get_padding_algo(const char *name);
/**
* fit_image_verify_required_sigs() - Verify signatures marked as 'required'
*
* @fit: FIT to check
* @image_noffset: Offset of image node to check
* @data: Image data to check
* @size: Size of image data
* @sig_blob: FDT containing public keys
* @no_sigsp: Returns 1 if no signatures were required, and
* therefore nothing was checked. The caller may wish
* to fall back to other mechanisms, or refuse to
* boot.
* @return 0 if all verified ok, <0 on error
*/
int fit_image_verify_required_sigs(const void *fit, int image_noffset,
const char *data, size_t size, const void *sig_blob,
int *no_sigsp);
/**
* fit_image_check_sig() - Check a single image signature node
*
* @fit: FIT to check
* @noffset: Offset of signature node to check
* @data: Image data to check
* @size: Size of image data
* @required_keynode: Offset in the control FDT of the required key node,
* if any. If this is given, then the image wil not
* pass verification unless that key is used. If this is
* -1 then any signature will do.
* @err_msgp: In the event of an error, this will be pointed to a
* help error string to display to the user.
* @return 0 if all verified ok, <0 on error
*/
int fit_image_check_sig(const void *fit, int noffset, const void *data,
size_t size, int required_keynode, char **err_msgp);
/**
* fit_region_make_list() - Make a list of regions to hash
*
* Given a list of FIT regions (offset, size) provided by libfdt, create
* a list of regions (void *, size) for use by the signature creationg
* and verification code.
*
* @fit: FIT image to process
* @fdt_regions: Regions as returned by libfdt
* @count: Number of regions returned by libfdt
* @region: Place to put list of regions (NULL to allocate it)
* @return pointer to list of regions, or NULL if out of memory
*/
struct image_region *fit_region_make_list(const void *fit,
struct fdt_region *fdt_regions, int count,
struct image_region *region);
static inline int fit_image_check_target_arch(const void *fdt, int node)
{
#ifndef USE_HOSTCC
return fit_image_check_arch(fdt, node, IH_ARCH_DEFAULT);
#else
return 0;
#endif
}
#ifdef CONFIG_FIT_VERBOSE
#define fit_unsupported(msg) printf("! %s:%d " \
"FIT images not supported for '%s'\n", \
__FILE__, __LINE__, (msg))
#define fit_unsupported_reset(msg) printf("! %s:%d " \
"FIT images not supported for '%s' " \
"- must reset board to recover!\n", \
__FILE__, __LINE__, (msg))
#else
#define fit_unsupported(msg)
#define fit_unsupported_reset(msg)
#endif /* CONFIG_FIT_VERBOSE */
#endif /* CONFIG_FIT */
#if defined(CONFIG_ANDROID_BOOT_IMAGE)
struct andr_img_hdr;
int android_image_check_header(const struct andr_img_hdr *hdr);
int android_image_get_kernel(const struct andr_img_hdr *hdr, int verify,
ulong *os_data, ulong *os_len);
int android_image_get_ramdisk(const struct andr_img_hdr *hdr,
ulong *rd_data, ulong *rd_len);
int android_image_get_second(const struct andr_img_hdr *hdr,
ulong *second_data, ulong *second_len);
ulong android_image_get_end(const struct andr_img_hdr *hdr);
ulong android_image_get_kload(const struct andr_img_hdr *hdr);
ulong android_image_get_kcomp(const struct andr_img_hdr *hdr);
void android_print_contents(const struct andr_img_hdr *hdr);
#endif /* CONFIG_ANDROID_BOOT_IMAGE */
/**
* board_fit_config_name_match() - Check for a matching board name
*
* This is used when SPL loads a FIT containing multiple device tree files
* and wants to work out which one to use. The description of each one is
* passed to this function. The description comes from the 'description' field
* in each (FDT) image node.
*
* @name: Device tree description
* @return 0 if this device tree should be used, non-zero to try the next
*/
int board_fit_config_name_match(const char *name);
#if defined(CONFIG_SPL_FIT_IMAGE_POST_PROCESS) || \
defined(CONFIG_FIT_IMAGE_POST_PROCESS)
/**
* board_fit_image_post_process() - Do any post-process on FIT binary data
*
* This is used to do any sort of image manipulation, verification, decryption
* etc. in a platform or board specific way. Obviously, anything done here would
* need to be comprehended in how the images were prepared before being injected
* into the FIT creation (i.e. the binary blobs would have been pre-processed
* before being added to the FIT image).
*
* @image: pointer to the image start pointer
* @size: pointer to the image size
* @return no return value (failure should be handled internally)
*/
void board_fit_image_post_process(void **p_image, size_t *p_size);
#endif /* CONFIG_SPL_FIT_IMAGE_POST_PROCESS */
#define FDT_ERROR ((ulong)(-1))
ulong fdt_getprop_u32(const void *fdt, int node, const char *prop);
/**
* fit_find_config_node() - Find the node for the best DTB in a FIT image
*
* A FIT image contains one or more DTBs. This function parses the
* configurations described in the FIT images and returns the node of
* the first matching DTB. To check if a DTB matches a board, this function
* calls board_fit_config_name_match(). If no matching DTB is found, it returns
* the node described by the default configuration if it exists.
*
* @fdt: pointer to flat device tree
* @return the node if found, -ve otherwise
*/
int fit_find_config_node(const void *fdt);
/**
* Mapping of image types to function handlers to be invoked on the associated
* loaded images
*
* @type: Type of image, I.E. IH_TYPE_*
* @handler: Function to call on loaded image
*/
struct fit_loadable_tbl {
int type;
/**
* handler() - Process a loaded image
*
* @data: Pointer to start of loaded image data
* @size: Size of loaded image data
*/
void (*handler)(ulong data, size_t size);
};
/*
* Define a FIT loadable image type handler
*
* _type is a valid uimage_type ID as defined in the "Image Type" enum above
* _handler is the handler function to call after this image type is loaded
*/
#define U_BOOT_FIT_LOADABLE_HANDLER(_type, _handler) \
ll_entry_declare(struct fit_loadable_tbl, _function, fit_loadable) = { \
.type = _type, \
.handler = _handler, \
}
#endif /* __IMAGE_H__ */
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