linuxOS_AP05/u-boot/arch/arm/include/asm/arch-rockchip/resource_img.h
2025-06-02 13:59:07 +08:00

112 lines
2.7 KiB
C

/*
* (C) Copyright 2017 Rockchip Electronics Co., Ltd
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __RESC_IMG_H_
#define __RESC_IMG_H_
#include <linux/list.h>
#define MAX_FILE_NAME_LEN 220
#define MAX_HASH_LEN 32
#define ROOT_COMPAT_PROP_OFFSET 0x4c /* Property: "/compatible" */
#define DTB_SUFFIX ".dtb"
struct resource_file {
char name[MAX_FILE_NAME_LEN];
char hash[MAX_HASH_LEN];
uint32_t hash_size;
uint32_t f_offset; /* Sector offset */
uint32_t f_size; /* Bytes */
struct list_head link;
struct list_head dtbs;
/* Sector base of resource when ram=false, byte base when ram=true */
uint32_t rsce_base;
bool ram;
};
extern struct list_head entrys_head;
extern struct list_head entrys_dtbs_head;
/*
* resource_image_check_header - check resource image header
*
* @rsce_hdr: resource file hdr
*
* return 0 on header okay, otherwise failed
*/
int resource_image_check_header(void *rsce_hdr);
/*
* resource_create_ram_list - create resource file list by data from memory
*
* @dev_desc: blk dev descritpion
* @rsce_hdr: resource file hdr
*
* return 0 on header okay, otherwise failed
*/
int resource_create_ram_list(struct blk_desc *dev_desc, void *rsce_hdr);
/*
* rockchip_read_resource_file - read file from resource partition
*
* @buf: destination buf to store file data
* @name: file name
* @offset: blocks offset in the file, 1 block = 512 bytes
* @len: the size(by bytes) of file to read.
*
* return negative num on failed, otherwise the file size
*/
int rockchip_read_resource_file(void *buf, const char *name, int offset, int len);
/*
* rockchip_read_resource_dtb() - read dtb file
*
* @fdt_addr: destination buf to store dtb file
* @hash: hash value buffer
* @hash_size: hash value length
*/
int rockchip_read_resource_dtb(void *fdt_addr, char **hash, int *hash_size);
/*
* resource_init_list - init resource list of android image from storage
*/
int resource_init_list(void);
/*
* resource_replace_entry - replace resource entry, override if find exist one
*/
int resource_replace_entry(const char *f_name, uint32_t base,
uint32_t f_offset, uint32_t f_size);
/*
* resource_read_logo_bmps() - read logo bmp from "logo" partition
*/
int resource_read_logo_bmps(void);
/*
* resource_read_hwid_dtb() - read hwid dtb
*/
struct resource_file *resource_read_hwid_dtb(void);
/*
* resource_is_empty() - return if resource is empty
*/
int resource_is_empty(void);
/*
* resource_traverse_init_list() - traverse all image(android/fit/uimage)
*/
int resource_traverse_init_list(void);
/*
* board_resource_dtb_accepted() - check if this dtb is accepted
*
* return 0 if not accepted, otherwise accepted.
*/
int board_resource_dtb_accepted(char *dtb_name);
#endif